gl_rmain.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // r_main.c
  21
  22 #include "quakedef.h"
  23 #include "cl_dyntexture.h"
  24 #include "r_shadow.h"
  25 #include "polygon.h"
  26 #include "image.h"
  27 #include "ft2.h"
  28 #include "csprogs.h"
  29 #include "cl_video.h"
  30
  31 mempool_t *r_main_mempool;
  32 rtexturepool_t *r_main_texturepool;
  33
  34 static int r_textureframe = 0; ///< used only by R_GetCurrentTexture
  35
  36 static qboolean r_loadnormalmap;
  37 static qboolean r_loadgloss;
  38 qboolean r_loadfog;
  39 static qboolean r_loaddds;
  40 static qboolean r_savedds;
  41
  42 //
  43 // screen size info
  44 //
  45 r_refdef_t r_refdef;
  46
  47 cvar_t r_motionblur = {CVAR_SAVE, "r_motionblur", "0", "motionblur value scale - 0.5 recommended"};
  48 cvar_t r_damageblur = {CVAR_SAVE, "r_damageblur", "0", "motionblur based on damage"};
  49 cvar_t r_motionblur_vmin = {CVAR_SAVE, "r_motionblur_vmin", "300", "minimum influence from velocity"};
  50 cvar_t r_motionblur_vmax = {CVAR_SAVE, "r_motionblur_vmax", "600", "maximum influence from velocity"};
  51 cvar_t r_motionblur_bmin = {CVAR_SAVE, "r_motionblur_bmin", "0.5", "velocity at which there is no blur yet (may be negative to always have some blur)"};
  52 cvar_t r_motionblur_vcoeff = {CVAR_SAVE, "r_motionblur_vcoeff", "0.05", "sliding average reaction time for velocity"};
  53 cvar_t r_motionblur_maxblur = {CVAR_SAVE, "r_motionblur_maxblur", "0.88", "cap for motionblur alpha value"};
  54 cvar_t r_motionblur_randomize = {CVAR_SAVE, "r_motionblur_randomize", "0.1", "randomizing coefficient to workaround ghosting"};
  55
  56 // TODO do we want a r_equalize_entities cvar that works on all ents, or would that be a cheat?
  57 cvar_t r_equalize_entities_fullbright = {CVAR_SAVE, "r_equalize_entities_fullbright", "0", "render fullbright entities by equalizing their lightness, not by not rendering light"};
  58 cvar_t r_equalize_entities_minambient = {CVAR_SAVE, "r_equalize_entities_minambient", "0.5", "light equalizing: ensure at least this ambient/diffuse ratio"};
  59 cvar_t r_equalize_entities_by = {CVAR_SAVE, "r_equalize_entities_by", "0.7", "light equalizing: exponent of dynamics compression (0 = no compression, 1 = full compression)"};
  60 cvar_t r_equalize_entities_to = {CVAR_SAVE, "r_equalize_entities_to", "0.8", "light equalizing: target light level"};
  61
  62 cvar_t r_depthfirst = {CVAR_SAVE, "r_depthfirst", "0", "renders a depth-only version of the scene before normal rendering begins to eliminate overdraw, values: 0 = off, 1 = world depth, 2 = world and model depth"};
  63 cvar_t r_useinfinitefarclip = {CVAR_SAVE, "r_useinfinitefarclip", "1", "enables use of a special kind of projection matrix that has an extremely large farclip"};
  64 cvar_t r_farclip_base = {0, "r_farclip_base", "65536", "farclip (furthest visible distance) for rendering when r_useinfinitefarclip is 0"};
  65 cvar_t r_farclip_world = {0, "r_farclip_world", "2", "adds map size to farclip multiplied by this value"};
  66 cvar_t r_nearclip = {0, "r_nearclip", "1", "distance from camera of nearclip plane" };
  67 cvar_t r_showbboxes = {0, "r_showbboxes", "0", "shows bounding boxes of server entities, value controls opacity scaling (1 = 10%,  10 = 100%)"};
  68 cvar_t r_showsurfaces = {0, "r_showsurfaces", "0", "1 shows surfaces as different colors, or a value of 2 shows triangle draw order (for analyzing whether meshes are optimized for vertex cache)"};
  69 cvar_t r_showtris = {0, "r_showtris", "0", "shows triangle outlines, value controls brightness (can be above 1)"};
  70 cvar_t r_shownormals = {0, "r_shownormals", "0", "shows per-vertex surface normals and tangent vectors for bumpmapped lighting"};
  71 cvar_t r_showlighting = {0, "r_showlighting", "0", "shows areas lit by lights, useful for finding out why some areas of a map render slowly (bright orange = lots of passes = slow), a value of 2 disables depth testing which can be interesting but not very useful"};
  72 cvar_t r_showshadowvolumes = {0, "r_showshadowvolumes", "0", "shows areas shadowed by lights, useful for finding out why some areas of a map render slowly (bright blue = lots of passes = slow), a value of 2 disables depth testing which can be interesting but not very useful"};
  73 cvar_t r_showcollisionbrushes = {0, "r_showcollisionbrushes", "0", "draws collision brushes in quake3 maps (mode 1), mode 2 disables rendering of world (trippy!)"};
  74 cvar_t r_showcollisionbrushes_polygonfactor = {0, "r_showcollisionbrushes_polygonfactor", "-1", "expands outward the brush polygons a little bit, used to make collision brushes appear infront of walls"};
  75 cvar_t r_showcollisionbrushes_polygonoffset = {0, "r_showcollisionbrushes_polygonoffset", "0", "nudges brush polygon depth in hardware depth units, used to make collision brushes appear infront of walls"};
  76 cvar_t r_showdisabledepthtest = {0, "r_showdisabledepthtest", "0", "disables depth testing on r_show* cvars, allowing you to see what hidden geometry the graphics card is processing"};
  77 cvar_t r_drawportals = {0, "r_drawportals", "0", "shows portals (separating polygons) in world interior in quake1 maps"};
  78 cvar_t r_drawentities = {0, "r_drawentities","1", "draw entities (doors, players, projectiles, etc)"};
  79 cvar_t r_draw2d = {0, "r_draw2d","1", "draw 2D stuff (dangerous to turn off)"};
  80 cvar_t r_drawworld = {0, "r_drawworld","1", "draw world (most static stuff)"};
  81 cvar_t r_drawviewmodel = {0, "r_drawviewmodel","1", "draw your weapon model"};
  82 cvar_t r_drawexteriormodel = {0, "r_drawexteriormodel","1", "draw your player model (e.g. in chase cam, reflections)"};
  83 cvar_t r_cullentities_trace = {0, "r_cullentities_trace", "1", "probabistically cull invisible entities"};
  84 cvar_t r_cullentities_trace_samples = {0, "r_cullentities_trace_samples", "2", "number of samples to test for entity culling (in addition to center sample)"};
  85 cvar_t r_cullentities_trace_tempentitysamples = {0, "r_cullentities_trace_tempentitysamples", "-1", "number of samples to test for entity culling of temp entities (including all CSQC entities), -1 disables trace culling on these entities to prevent flicker (pvs still applies)"};
  86 cvar_t r_cullentities_trace_enlarge = {0, "r_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
  87 cvar_t r_cullentities_trace_delay = {0, "r_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
  88 cvar_t r_speeds = {0, "r_speeds","0", "displays rendering statistics and per-subsystem timings"};
  89 cvar_t r_fullbright = {0, "r_fullbright","0", "makes map very bright and renders faster"};
  90
  91 cvar_t r_fakelight = {0, "r_fakelight","0", "render 'fake' lighting instead of real lightmaps"};
  92 cvar_t r_fakelight_intensity = {0, "r_fakelight_intensity","0.75", "fakelight intensity modifier"};
  93 #define FAKELIGHT_ENABLED (r_fakelight.integer >= 2 || (r_fakelight.integer && r_refdef.scene.worldmodel && !r_refdef.scene.worldmodel->lit))
  94
  95 cvar_t r_wateralpha = {CVAR_SAVE, "r_wateralpha","1", "opacity of water polygons"};
  96 cvar_t r_dynamic = {CVAR_SAVE, "r_dynamic","1", "enables dynamic lights (rocket glow and such)"};
  97 cvar_t r_fullbrights = {CVAR_SAVE, "r_fullbrights", "1", "enables glowing pixels in quake textures (changes need r_restart to take effect)"};
  98 cvar_t r_shadows = {CVAR_SAVE, "r_shadows", "0", "casts fake stencil shadows from models onto the world (rtlights are unaffected by this); when set to 2, always cast the shadows in the direction set by r_shadows_throwdirection, otherwise use the model lighting."};
  99 cvar_t r_shadows_darken = {CVAR_SAVE, "r_shadows_darken", "0.5", "how much shadowed areas will be darkened"};
 100 cvar_t r_shadows_throwdistance = {CVAR_SAVE, "r_shadows_throwdistance", "500", "how far to cast shadows from models"};
 101 cvar_t r_shadows_throwdirection = {CVAR_SAVE, "r_shadows_throwdirection", "0 0 -1", "override throwing direction for r_shadows 2"};
 102 cvar_t r_shadows_drawafterrtlighting = {CVAR_SAVE, "r_shadows_drawafterrtlighting", "0", "draw fake shadows AFTER realtime lightning is drawn. May be useful for simulating fast sunlight on large outdoor maps with only one noshadow rtlight. The price is less realistic appearance of dynamic light shadows."};
 103 cvar_t r_shadows_castfrombmodels = {CVAR_SAVE, "r_shadows_castfrombmodels", "0", "do cast shadows from bmodels"};
 104 cvar_t r_shadows_focus = {CVAR_SAVE, "r_shadows_focus", "0 0 0", "offset the shadowed area focus"};
 105 cvar_t r_shadows_shadowmapscale = {CVAR_SAVE, "r_shadows_shadowmapscale", "1", "increases shadowmap quality (multiply global shadowmap precision) for fake shadows. Needs shadowmapping ON."};
 106 cvar_t r_q1bsp_skymasking = {0, "r_q1bsp_skymasking", "1", "allows sky polygons in quake1 maps to obscure other geometry"};
 107 cvar_t r_polygonoffset_submodel_factor = {0, "r_polygonoffset_submodel_factor", "0", "biases depth values of world submodels such as doors, to prevent z-fighting artifacts in Quake maps"};
 108 cvar_t r_polygonoffset_submodel_offset = {0, "r_polygonoffset_submodel_offset", "14", "biases depth values of world submodels such as doors, to prevent z-fighting artifacts in Quake maps"};
 109 cvar_t r_polygonoffset_decals_factor = {0, "r_polygonoffset_decals_factor", "0", "biases depth values of decals to prevent z-fighting artifacts"};
 110 cvar_t r_polygonoffset_decals_offset = {0, "r_polygonoffset_decals_offset", "-14", "biases depth values of decals to prevent z-fighting artifacts"};
 111 cvar_t r_fog_exp2 = {0, "r_fog_exp2", "0", "uses GL_EXP2 fog (as in Nehahra) rather than realistic GL_EXP fog"};
 112 cvar_t r_drawfog = {CVAR_SAVE, "r_drawfog", "1", "allows one to disable fog rendering"};
 113 cvar_t r_transparentdepthmasking = {CVAR_SAVE, "r_transparentdepthmasking", "0", "enables depth writes on transparent meshes whose materially is normally opaque, this prevents seeing the inside of a transparent mesh"};
 114
 115 cvar_t gl_fogenable = {0, "gl_fogenable", "0", "nehahra fog enable (for Nehahra compatibility only)"};
 116 cvar_t gl_fogdensity = {0, "gl_fogdensity", "0.25", "nehahra fog density (recommend values below 0.1) (for Nehahra compatibility only)"};
 117 cvar_t gl_fogred = {0, "gl_fogred","0.3", "nehahra fog color red value (for Nehahra compatibility only)"};
 118 cvar_t gl_foggreen = {0, "gl_foggreen","0.3", "nehahra fog color green value (for Nehahra compatibility only)"};
 119 cvar_t gl_fogblue = {0, "gl_fogblue","0.3", "nehahra fog color blue value (for Nehahra compatibility only)"};
 120 cvar_t gl_fogstart = {0, "gl_fogstart", "0", "nehahra fog start distance (for Nehahra compatibility only)"};
 121 cvar_t gl_fogend = {0, "gl_fogend","0", "nehahra fog end distance (for Nehahra compatibility only)"};
 122 cvar_t gl_skyclip = {0, "gl_skyclip", "4608", "nehahra farclip distance - the real fog end (for Nehahra compatibility only)"};
 123
 124 cvar_t r_texture_dds_load = {CVAR_SAVE, "r_texture_dds_load", "0", "load compressed dds/filename.dds texture instead of filename.tga, if the file exists (requires driver support)"};
 125 cvar_t r_texture_dds_save = {CVAR_SAVE, "r_texture_dds_save", "0", "save compressed dds/filename.dds texture when filename.tga is loaded, so that it can be loaded instead next time"};
 126
 127 cvar_t r_texture_convertsRGB_2d = {0, "r_texture_convertsRGB_2d", "0", "load textures as sRGB and convert to linear for proper shading"};
 128 cvar_t r_texture_convertsRGB_skin = {0, "r_texture_convertsRGB_skin", "0", "load textures as sRGB and convert to linear for proper shading"};
 129 cvar_t r_texture_convertsRGB_cubemap = {0, "r_texture_convertsRGB_cubemap", "0", "load textures as sRGB and convert to linear for proper shading"};
 130 cvar_t r_texture_convertsRGB_skybox = {0, "r_texture_convertsRGB_skybox", "0", "load textures as sRGB and convert to linear for proper shading"};
 131 cvar_t r_texture_convertsRGB_particles = {0, "r_texture_convertsRGB_particles", "0", "load textures as sRGB and convert to linear for proper shading"};
 132
 133 cvar_t r_textureunits = {0, "r_textureunits", "32", "number of texture units to use in GL 1.1 and GL 1.3 rendering paths"};
 134 static cvar_t gl_combine = {CVAR_READONLY, "gl_combine", "1", "indicates whether the OpenGL 1.3 rendering path is active"};
 135 static cvar_t r_glsl = {CVAR_READONLY, "r_glsl", "1", "indicates whether the OpenGL 2.0 rendering path is active"};
 136
 137 cvar_t r_glsl_deluxemapping = {CVAR_SAVE, "r_glsl_deluxemapping", "1", "use per pixel lighting on deluxemap-compiled q3bsp maps (or a value of 2 forces deluxemap shading even without deluxemaps)"};
 138 cvar_t r_glsl_offsetmapping = {CVAR_SAVE, "r_glsl_offsetmapping", "0", "offset mapping effect (also known as parallax mapping or virtual displacement mapping)"};
 139 cvar_t r_glsl_offsetmapping_reliefmapping = {CVAR_SAVE, "r_glsl_offsetmapping_reliefmapping", "0", "relief mapping effect (higher quality)"};
 140 cvar_t r_glsl_offsetmapping_scale = {CVAR_SAVE, "r_glsl_offsetmapping_scale", "0.04", "how deep the offset mapping effect is"};
 141 cvar_t r_glsl_postprocess = {CVAR_SAVE, "r_glsl_postprocess", "0", "use a GLSL postprocessing shader"};
 142 cvar_t r_glsl_postprocess_uservec1 = {CVAR_SAVE, "r_glsl_postprocess_uservec1", "0 0 0 0", "a 4-component vector to pass as uservec1 to the postprocessing shader (only useful if default.glsl has been customized)"};
 143 cvar_t r_glsl_postprocess_uservec2 = {CVAR_SAVE, "r_glsl_postprocess_uservec2", "0 0 0 0", "a 4-component vector to pass as uservec2 to the postprocessing shader (only useful if default.glsl has been customized)"};
 144 cvar_t r_glsl_postprocess_uservec3 = {CVAR_SAVE, "r_glsl_postprocess_uservec3", "0 0 0 0", "a 4-component vector to pass as uservec3 to the postprocessing shader (only useful if default.glsl has been customized)"};
 145 cvar_t r_glsl_postprocess_uservec4 = {CVAR_SAVE, "r_glsl_postprocess_uservec4", "0 0 0 0", "a 4-component vector to pass as uservec4 to the postprocessing shader (only useful if default.glsl has been customized)"};
 146
 147 cvar_t r_water = {CVAR_SAVE, "r_water", "0", "whether to use reflections and refraction on water surfaces (note: r_wateralpha must be set below 1)"};
 148 cvar_t r_water_clippingplanebias = {CVAR_SAVE, "r_water_clippingplanebias", "1", "a rather technical setting which avoids black pixels around water edges"};
 149 cvar_t r_water_resolutionmultiplier = {CVAR_SAVE, "r_water_resolutionmultiplier", "0.5", "multiplier for screen resolution when rendering refracted/reflected scenes, 1 is full quality, lower values are faster"};
 150 cvar_t r_water_refractdistort = {CVAR_SAVE, "r_water_refractdistort", "0.01", "how much water refractions shimmer"};
 151 cvar_t r_water_reflectdistort = {CVAR_SAVE, "r_water_reflectdistort", "0.01", "how much water reflections shimmer"};
 152 cvar_t r_water_scissormode = {0, "r_water_scissormode", "3", "scissor (1) or cull (2) or both (3) water renders"};
 153
 154 cvar_t r_lerpsprites = {CVAR_SAVE, "r_lerpsprites", "0", "enables animation smoothing on sprites"};
 155 cvar_t r_lerpmodels = {CVAR_SAVE, "r_lerpmodels", "1", "enables animation smoothing on models"};
 156 cvar_t r_lerplightstyles = {CVAR_SAVE, "r_lerplightstyles", "0", "enable animation smoothing on flickering lights"};
 157 cvar_t r_waterscroll = {CVAR_SAVE, "r_waterscroll", "1", "makes water scroll around, value controls how much"};
 158
 159 cvar_t r_bloom = {CVAR_SAVE, "r_bloom", "0", "enables bloom effect (makes bright pixels affect neighboring pixels)"};
 160 cvar_t r_bloom_colorscale = {CVAR_SAVE, "r_bloom_colorscale", "1", "how bright the glow is"};
 161 cvar_t r_bloom_brighten = {CVAR_SAVE, "r_bloom_brighten", "2", "how bright the glow is, after subtract/power"};
 162 cvar_t r_bloom_blur = {CVAR_SAVE, "r_bloom_blur", "4", "how large the glow is"};
 163 cvar_t r_bloom_resolution = {CVAR_SAVE, "r_bloom_resolution", "320", "what resolution to perform the bloom effect at (independent of screen resolution)"};
 164 cvar_t r_bloom_colorexponent = {CVAR_SAVE, "r_bloom_colorexponent", "1", "how exagerated the glow is"};
 165 cvar_t r_bloom_colorsubtract = {CVAR_SAVE, "r_bloom_colorsubtract", "0.125", "reduces bloom colors by a certain amount"};
 166
 167 cvar_t r_hdr = {CVAR_SAVE, "r_hdr", "0", "enables High Dynamic Range bloom effect (higher quality version of r_bloom)"};
 168 cvar_t r_hdr_scenebrightness = {CVAR_SAVE, "r_hdr_scenebrightness", "1", "global rendering brightness"};
 169 cvar_t r_hdr_glowintensity = {CVAR_SAVE, "r_hdr_glowintensity", "1", "how bright light emitting textures should appear"};
 170 cvar_t r_hdr_range = {CVAR_SAVE, "r_hdr_range", "4", "how much dynamic range to render bloom with (equivilant to multiplying r_bloom_brighten by this value and dividing r_bloom_colorscale by this value)"};
 171
 172 cvar_t r_smoothnormals_areaweighting = {0, "r_smoothnormals_areaweighting", "1", "uses significantly faster (and supposedly higher quality) area-weighted vertex normals and tangent vectors rather than summing normalized triangle normals and tangents"};
 173
 174 cvar_t developer_texturelogging = {0, "developer_texturelogging", "0", "produces a textures.log file containing names of skins and map textures the engine tried to load"};
 175
 176 cvar_t gl_lightmaps = {0, "gl_lightmaps", "0", "draws only lightmaps, no texture (for level designers)"};
 177
 178 cvar_t r_test = {0, "r_test", "0", "internal development use only, leave it alone (usually does nothing anyway)"};
 179 cvar_t r_batchmode = {0, "r_batchmode", "1", "selects method of rendering multiple surfaces with one driver call (values are 0, 1, 2, etc...)"};
 180 cvar_t r_track_sprites = {CVAR_SAVE, "r_track_sprites", "1", "track SPR_LABEL* sprites by putting them as indicator at the screen border to rotate to"};
 181 cvar_t r_track_sprites_flags = {CVAR_SAVE, "r_track_sprites_flags", "1", "1: Rotate sprites accodringly, 2: Make it a continuous rotation"};
 182 cvar_t r_track_sprites_scalew = {CVAR_SAVE, "r_track_sprites_scalew", "1", "width scaling of tracked sprites"};
 183 cvar_t r_track_sprites_scaleh = {CVAR_SAVE, "r_track_sprites_scaleh", "1", "height scaling of tracked sprites"};
 184 cvar_t r_overheadsprites_perspective = {CVAR_SAVE, "r_overheadsprites_perspective", "0.15", "fake perspective effect for SPR_OVERHEAD sprites"};
 185 cvar_t r_overheadsprites_pushback = {CVAR_SAVE, "r_overheadsprites_pushback", "16", "how far to pull the SPR_OVERHEAD sprites toward the eye (used to avoid intersections with 3D models)"};
 186
 187 cvar_t r_glsl_saturation = {CVAR_SAVE, "r_glsl_saturation", "1", "saturation multiplier (only working in glsl!)"};
 188 cvar_t r_glsl_saturation_redcompensate = {CVAR_SAVE, "r_glsl_saturation_redcompensate", "0", "a 'vampire sight' addition to desaturation effect, does compensation for red color, r_glsl_restart is required"};
 189
 190 cvar_t r_framedatasize = {CVAR_SAVE, "r_framedatasize", "1", "size of renderer data cache used during one frame (for skeletal animation caching, light processing, etc)"};
 191
 192 extern cvar_t v_glslgamma;
 193
 194 extern qboolean v_flipped_state;
 195
 196 static struct r_bloomstate_s
 197 {
 198         qboolean enabled;
 199         qboolean hdr;
 200
 201         int bloomwidth, bloomheight;
 202
 203         int screentexturewidth, screentextureheight;
 204         rtexture_t *texture_screen; /// \note also used for motion blur if enabled!
 205
 206         int bloomtexturewidth, bloomtextureheight;
 207         rtexture_t *texture_bloom;
 208
 209         // arrays for rendering the screen passes
 210         float screentexcoord2f[8];
 211         float bloomtexcoord2f[8];
 212         float offsettexcoord2f[8];
 213
 214         r_viewport_t viewport;
 215 }
 216 r_bloomstate;
 217
 218 r_waterstate_t r_waterstate;
 219
 220 /// shadow volume bsp struct with automatically growing nodes buffer
 221 svbsp_t r_svbsp;
 222
 223 rtexture_t *r_texture_blanknormalmap;
 224 rtexture_t *r_texture_white;
 225 rtexture_t *r_texture_grey128;
 226 rtexture_t *r_texture_black;
 227 rtexture_t *r_texture_notexture;
 228 rtexture_t *r_texture_whitecube;
 229 rtexture_t *r_texture_normalizationcube;
 230 rtexture_t *r_texture_fogattenuation;
 231 rtexture_t *r_texture_fogheighttexture;
 232 rtexture_t *r_texture_gammaramps;
 233 unsigned int r_texture_gammaramps_serial;
 234 //rtexture_t *r_texture_fogintensity;
 235 rtexture_t *r_texture_reflectcube;
 236
 237 // TODO: hash lookups?
 238 typedef struct cubemapinfo_s
 239 {
 240         char basename[64];
 241         rtexture_t *texture;
 242 }
 243 cubemapinfo_t;
 244
 245 int r_texture_numcubemaps;
 246 cubemapinfo_t r_texture_cubemaps[MAX_CUBEMAPS];
 247
 248 unsigned int r_queries[MAX_OCCLUSION_QUERIES];
 249 unsigned int r_numqueries;
 250 unsigned int r_maxqueries;
 251
 252 typedef struct r_qwskincache_s
 253 {
 254         char name[MAX_QPATH];
 255         skinframe_t *skinframe;
 256 }
 257 r_qwskincache_t;
 258
 259 static r_qwskincache_t *r_qwskincache;
 260 static int r_qwskincache_size;
 261
 262 /// vertex coordinates for a quad that covers the screen exactly
 263 const float r_screenvertex3f[12] =
 264 {
 265         0, 0, 0,
 266         1, 0, 0,
 267         1, 1, 0,
 268         0, 1, 0
 269 };
 270
 271 void R_ModulateColors(float *in, float *out, int verts, float r, float g, float b)
 272 {
 273         int i;
 274         for (i = 0;i < verts;i++)
 275         {
 276                 out[0] = in[0] * r;
 277                 out[1] = in[1] * g;
 278                 out[2] = in[2] * b;
 279                 out[3] = in[3];
 280                 in += 4;
 281                 out += 4;
 282         }
 283 }
 284
 285 void R_FillColors(float *out, int verts, float r, float g, float b, float a)
 286 {
 287         int i;
 288         for (i = 0;i < verts;i++)
 289         {
 290                 out[0] = r;
 291                 out[1] = g;
 292                 out[2] = b;
 293                 out[3] = a;
 294                 out += 4;
 295         }
 296 }
 297
 298 // FIXME: move this to client?
 299 void FOG_clear(void)
 300 {
 301         if (gamemode == GAME_NEHAHRA)
 302         {
 303                 Cvar_Set("gl_fogenable", "0");
 304                 Cvar_Set("gl_fogdensity", "0.2");
 305                 Cvar_Set("gl_fogred", "0.3");
 306                 Cvar_Set("gl_foggreen", "0.3");
 307                 Cvar_Set("gl_fogblue", "0.3");
 308         }
 309         r_refdef.fog_density = 0;
 310         r_refdef.fog_red = 0;
 311         r_refdef.fog_green = 0;
 312         r_refdef.fog_blue = 0;
 313         r_refdef.fog_alpha = 1;
 314         r_refdef.fog_start = 0;
 315         r_refdef.fog_end = 16384;
 316         r_refdef.fog_height = 1<<30;
 317         r_refdef.fog_fadedepth = 128;
 318         memset(r_refdef.fog_height_texturename, 0, sizeof(r_refdef.fog_height_texturename));
 319 }
 320
 321 static void R_BuildBlankTextures(void)
 322 {
 323         unsigned char data[4];
 324         data[2] = 128; // normal X
 325         data[1] = 128; // normal Y
 326         data[0] = 255; // normal Z
 327         data[3] = 128; // height
 328         r_texture_blanknormalmap = R_LoadTexture2D(r_main_texturepool, "blankbump", 1, 1, data, TEXTYPE_BGRA, TEXF_PERSISTENT, -1, NULL);
 329         data[0] = 255;
 330         data[1] = 255;
 331         data[2] = 255;
 332         data[3] = 255;
 333         r_texture_white = R_LoadTexture2D(r_main_texturepool, "blankwhite", 1, 1, data, TEXTYPE_BGRA, TEXF_PERSISTENT, -1, NULL);
 334         data[0] = 128;
 335         data[1] = 128;
 336         data[2] = 128;
 337         data[3] = 255;
 338         r_texture_grey128 = R_LoadTexture2D(r_main_texturepool, "blankgrey128", 1, 1, data, TEXTYPE_BGRA, TEXF_PERSISTENT, -1, NULL);
 339         data[0] = 0;
 340         data[1] = 0;
 341         data[2] = 0;
 342         data[3] = 255;
 343         r_texture_black = R_LoadTexture2D(r_main_texturepool, "blankblack", 1, 1, data, TEXTYPE_BGRA, TEXF_PERSISTENT, -1, NULL);
 344 }
 345
 346 static void R_BuildNoTexture(void)
 347 {
 348         int x, y;
 349         unsigned char pix[16][16][4];
 350         // this makes a light grey/dark grey checkerboard texture
 351         for (y = 0;y < 16;y++)
 352         {
 353                 for (x = 0;x < 16;x++)
 354                 {
 355                         if ((y < 8) ^ (x < 8))
 356                         {
 357                                 pix[y][x][0] = 128;
 358                                 pix[y][x][1] = 128;
 359                                 pix[y][x][2] = 128;
 360                                 pix[y][x][3] = 255;
 361                         }
 362                         else
 363                         {
 364                                 pix[y][x][0] = 64;
 365                                 pix[y][x][1] = 64;
 366                                 pix[y][x][2] = 64;
 367                                 pix[y][x][3] = 255;
 368                         }
 369                 }
 370         }
 371         r_texture_notexture = R_LoadTexture2D(r_main_texturepool, "notexture", 16, 16, &pix[0][0][0], TEXTYPE_BGRA, TEXF_MIPMAP | TEXF_PERSISTENT, -1, NULL);
 372 }
 373
 374 static void R_BuildWhiteCube(void)
 375 {
 376         unsigned char data[6*1*1*4];
 377         memset(data, 255, sizeof(data));
 378         r_texture_whitecube = R_LoadTextureCubeMap(r_main_texturepool, "whitecube", 1, data, TEXTYPE_BGRA, TEXF_CLAMP | TEXF_PERSISTENT, -1, NULL);
 379 }
 380
 381 static void R_BuildNormalizationCube(void)
 382 {
 383         int x, y, side;
 384         vec3_t v;
 385         vec_t s, t, intensity;
 386 #define NORMSIZE 64
 387         unsigned char *data;
 388         data = Mem_Alloc(tempmempool, 6*NORMSIZE*NORMSIZE*4);
 389         for (side = 0;side < 6;side++)
 390         {
 391                 for (y = 0;y < NORMSIZE;y++)
 392                 {
 393                         for (x = 0;x < NORMSIZE;x++)
 394                         {
 395                                 s = (x + 0.5f) * (2.0f / NORMSIZE) - 1.0f;
 396                                 t = (y + 0.5f) * (2.0f / NORMSIZE) - 1.0f;
 397                                 switch(side)
 398                                 {
 399                                 default:
 400                                 case 0:
 401                                         v[0] = 1;
 402                                         v[1] = -t;
 403                                         v[2] = -s;
 404                                         break;
 405                                 case 1:
 406                                         v[0] = -1;
 407                                         v[1] = -t;
 408                                         v[2] = s;
 409                                         break;
 410                                 case 2:
 411                                         v[0] = s;
 412                                         v[1] = 1;
 413                                         v[2] = t;
 414                                         break;
 415                                 case 3:
 416                                         v[0] = s;
 417                                         v[1] = -1;
 418                                         v[2] = -t;
 419                                         break;
 420                                 case 4:
 421                                         v[0] = s;
 422                                         v[1] = -t;
 423                                         v[2] = 1;
 424                                         break;
 425                                 case 5:
 426                                         v[0] = -s;
 427                                         v[1] = -t;
 428                                         v[2] = -1;
 429                                         break;
 430                                 }
 431                                 intensity = 127.0f / sqrt(DotProduct(v, v));
 432                                 data[((side*64+y)*64+x)*4+2] = (unsigned char)(128.0f + intensity * v[0]);
 433                                 data[((side*64+y)*64+x)*4+1] = (unsigned char)(128.0f + intensity * v[1]);
 434                                 data[((side*64+y)*64+x)*4+0] = (unsigned char)(128.0f + intensity * v[2]);
 435                                 data[((side*64+y)*64+x)*4+3] = 255;
 436                         }
 437                 }
 438         }
 439         r_texture_normalizationcube = R_LoadTextureCubeMap(r_main_texturepool, "normalcube", NORMSIZE, data, TEXTYPE_BGRA, TEXF_CLAMP | TEXF_PERSISTENT, -1, NULL);
 440         Mem_Free(data);
 441 }
 442
 443 static void R_BuildFogTexture(void)
 444 {
 445         int x, b;
 446 #define FOGWIDTH 256
 447         unsigned char data1[FOGWIDTH][4];
 448         //unsigned char data2[FOGWIDTH][4];
 449         double d, r, alpha;
 450
 451         r_refdef.fogmasktable_start = r_refdef.fog_start;
 452         r_refdef.fogmasktable_alpha = r_refdef.fog_alpha;
 453         r_refdef.fogmasktable_range = r_refdef.fogrange;
 454         r_refdef.fogmasktable_density = r_refdef.fog_density;
 455
 456         r = r_refdef.fogmasktable_range / FOGMASKTABLEWIDTH;
 457         for (x = 0;x < FOGMASKTABLEWIDTH;x++)
 458         {
 459                 d = (x * r - r_refdef.fogmasktable_start);
 460                 if(developer_extra.integer)
 461                         Con_DPrintf("%f ", d);
 462                 d = max(0, d);
 463                 if (r_fog_exp2.integer)
 464                         alpha = exp(-r_refdef.fogmasktable_density * r_refdef.fogmasktable_density * 0.0001 * d * d);
 465                 else
 466                         alpha = exp(-r_refdef.fogmasktable_density * 0.004 * d);
 467                 if(developer_extra.integer)
 468                         Con_DPrintf(" : %f ", alpha);
 469                 alpha = 1 - (1 - alpha) * r_refdef.fogmasktable_alpha;
 470                 if(developer_extra.integer)
 471                         Con_DPrintf(" = %f\n", alpha);
 472                 r_refdef.fogmasktable[x] = bound(0, alpha, 1);
 473         }
 474
 475         for (x = 0;x < FOGWIDTH;x++)
 476         {
 477                 b = (int)(r_refdef.fogmasktable[x * (FOGMASKTABLEWIDTH - 1) / (FOGWIDTH - 1)] * 255);
 478                 data1[x][0] = b;
 479                 data1[x][1] = b;
 480                 data1[x][2] = b;
 481                 data1[x][3] = 255;
 482                 //data2[x][0] = 255 - b;
 483                 //data2[x][1] = 255 - b;
 484                 //data2[x][2] = 255 - b;
 485                 //data2[x][3] = 255;
 486         }
 487         if (r_texture_fogattenuation)
 488         {
 489                 R_UpdateTexture(r_texture_fogattenuation, &data1[0][0], 0, 0, FOGWIDTH, 1);
 490                 //R_UpdateTexture(r_texture_fogattenuation, &data2[0][0], 0, 0, FOGWIDTH, 1);
 491         }
 492         else
 493         {
 494                 r_texture_fogattenuation = R_LoadTexture2D(r_main_texturepool, "fogattenuation", FOGWIDTH, 1, &data1[0][0], TEXTYPE_BGRA, TEXF_FORCELINEAR | TEXF_CLAMP | TEXF_PERSISTENT, -1, NULL);
 495                 //r_texture_fogintensity = R_LoadTexture2D(r_main_texturepool, "fogintensity", FOGWIDTH, 1, &data2[0][0], TEXTYPE_BGRA, TEXF_FORCELINEAR | TEXF_CLAMP, NULL);
 496         }
 497 }
 498
 499 static void R_BuildFogHeightTexture(void)
 500 {
 501         unsigned char *inpixels;
 502         int size;
 503         int x;
 504         int y;
 505         int j;
 506         float c[4];
 507         float f;
 508         inpixels = NULL;
 509         strlcpy(r_refdef.fogheighttexturename, r_refdef.fog_height_texturename, sizeof(r_refdef.fogheighttexturename));
 510         if (r_refdef.fogheighttexturename[0])
 511                 inpixels = loadimagepixelsbgra(r_refdef.fogheighttexturename, true, false, false, NULL);
 512         if (!inpixels)
 513         {
 514                 r_refdef.fog_height_tablesize = 0;
 515                 if (r_texture_fogheighttexture)
 516                         R_FreeTexture(r_texture_fogheighttexture);
 517                 r_texture_fogheighttexture = NULL;
 518                 if (r_refdef.fog_height_table2d)
 519                         Mem_Free(r_refdef.fog_height_table2d);
 520                 r_refdef.fog_height_table2d = NULL;
 521                 if (r_refdef.fog_height_table1d)
 522                         Mem_Free(r_refdef.fog_height_table1d);
 523                 r_refdef.fog_height_table1d = NULL;
 524                 return;
 525         }
 526         size = image_width;
 527         r_refdef.fog_height_tablesize = size;
 528         r_refdef.fog_height_table1d = Mem_Alloc(r_main_mempool, size * 4);
 529         r_refdef.fog_height_table2d = Mem_Alloc(r_main_mempool, size * size * 4);
 530         memcpy(r_refdef.fog_height_table1d, inpixels, size * 4);
 531         Mem_Free(inpixels);
 532         // LordHavoc: now the magic - what is that table2d for?  it is a cooked
 533         // average fog color table accounting for every fog layer between a point
 534         // and the camera.  (Note: attenuation is handled separately!)
 535         for (y = 0;y < size;y++)
 536         {
 537                 for (x = 0;x < size;x++)
 538                 {
 539                         Vector4Clear(c);
 540                         f = 0;
 541                         if (x < y)
 542                         {
 543                                 for (j = x;j <= y;j++)
 544                                 {
 545                                         Vector4Add(c, r_refdef.fog_height_table1d + j*4, c);
 546                                         f++;
 547                                 }
 548                         }
 549                         else
 550                         {
 551                                 for (j = x;j >= y;j--)
 552                                 {
 553                                         Vector4Add(c, r_refdef.fog_height_table1d + j*4, c);
 554                                         f++;
 555                                 }
 556                         }
 557                         f = 1.0f / f;
 558                         r_refdef.fog_height_table2d[(y*size+x)*4+0] = (unsigned char)(c[0] * f);
 559                         r_refdef.fog_height_table2d[(y*size+x)*4+1] = (unsigned char)(c[1] * f);
 560                         r_refdef.fog_height_table2d[(y*size+x)*4+2] = (unsigned char)(c[2] * f);
 561                         r_refdef.fog_height_table2d[(y*size+x)*4+3] = (unsigned char)(c[3] * f);
 562                 }
 563         }
 564         r_texture_fogheighttexture = R_LoadTexture2D(r_main_texturepool, "fogheighttable", size, size, r_refdef.fog_height_table2d, TEXTYPE_BGRA, TEXF_ALPHA | TEXF_CLAMP, -1, NULL);
 565 }
 566
 567 //=======================================================================================================================================================
 568
 569 static const char *builtinshaderstring =
 570 "// ambient+diffuse+specular+normalmap+attenuation+cubemap+fog shader\n"
 571 "// written by Forest 'LordHavoc' Hale\n"
 572 "// shadowmapping enhancements by Lee 'eihrul' Salzman\n"
 573 "\n"
 574 "#if defined(USEFOGINSIDE) || defined(USEFOGOUTSIDE) || defined(USEFOGHEIGHTTEXTURE)\n"
 575 "# define USEFOG\n"
 576 "#endif\n"
 577 "#if defined(MODE_LIGHTMAP) || defined(MODE_LIGHTDIRECTIONMAP_MODELSPACE) || defined(MODE_LIGHTDIRECTIONMAP_TANGENTSPACE)\n"
 578 "#define USELIGHTMAP\n"
 579 "#endif\n"
 580 "#if defined(USESPECULAR) || defined(USEOFFSETMAPPING) || defined(USEREFLECTCUBE) || defined(MODE_FAKELIGHT)\n"
 581 "#define USEEYEVECTOR\n"
 582 "#endif\n"
 583 "\n"
 584 "#if defined(USESHADOWMAPRECT) || defined(MODE_DEFERREDLIGHTSOURCE) || defined(USEDEFERREDLIGHTMAP)\n"
 585 "# extension GL_ARB_texture_rectangle : enable\n"
 586 "#endif\n"
 587 "\n"
 588 "#ifdef USESHADOWMAP2D\n"
 589 "# ifdef GL_EXT_gpu_shader4\n"
 590 "#   extension GL_EXT_gpu_shader4 : enable\n"
 591 "# endif\n"
 592 "# ifdef GL_ARB_texture_gather\n"
 593 "#   extension GL_ARB_texture_gather : enable\n"
 594 "# else\n"
 595 "#   ifdef GL_AMD_texture_texture4\n"
 596 "#     extension GL_AMD_texture_texture4 : enable\n"
 597 "#   endif\n"
 598 "# endif\n"
 599 "#endif\n"
 600 "\n"
 601 "#ifdef USESHADOWMAPCUBE\n"
 602 "# extension GL_EXT_gpu_shader4 : enable\n"
 603 "#endif\n"
 604 "\n"
 605 "//#ifdef USESHADOWSAMPLER\n"
 606 "//# extension GL_ARB_shadow : enable\n"
 607 "//#endif\n"
 608 "\n"
 609 "//#ifdef __GLSL_CG_DATA_TYPES\n"
 610 "//# define myhalf half\n"
 611 "//# define myhalf2 half2\n"
 612 "//# define myhalf3 half3\n"
 613 "//# define myhalf4 half4\n"
 614 "//#else\n"
 615 "# define myhalf float\n"
 616 "# define myhalf2 vec2\n"
 617 "# define myhalf3 vec3\n"
 618 "# define myhalf4 vec4\n"
 619 "//#endif\n"
 620 "\n"
 621 "#ifdef VERTEX_SHADER\n"
 622 "uniform mat4 ModelViewProjectionMatrix;\n"
 623 "#endif\n"
 624 "\n"
 625 "#ifdef MODE_DEPTH_OR_SHADOW\n"
 626 "#ifdef VERTEX_SHADER\n"
 627 "void main(void)\n"
 628 "{\n"
 629 "       gl_Position = ModelViewProjectionMatrix * gl_Vertex;\n"
 630 "}\n"
 631 "#endif\n"
 632 "#else // !MODE_DEPTH_ORSHADOW\n"
 633 "\n"
 634 "\n"
 635 "\n"
 636 "\n"
 637 "#ifdef MODE_SHOWDEPTH\n"
 638 "#ifdef VERTEX_SHADER\n"
 639 "void main(void)\n"
 640 "{\n"
 641 "       gl_Position = ModelViewProjectionMatrix * gl_Vertex;\n"
 642 "       gl_FrontColor = vec4(gl_Position.z, gl_Position.z, gl_Position.z, 1.0);\n"
 643 "}\n"
 644 "#endif\n"
 645 "\n"
 646 "#ifdef FRAGMENT_SHADER\n"
 647 "void main(void)\n"
 648 "{\n"
 649 "       gl_FragColor = gl_Color;\n"
 650 "}\n"
 651 "#endif\n"
 652 "#else // !MODE_SHOWDEPTH\n"
 653 "\n"
 654 "\n"
 655 "\n"
 656 "\n"
 657 "#ifdef MODE_POSTPROCESS\n"
 658 "varying vec2 TexCoord1;\n"
 659 "varying vec2 TexCoord2;\n"
 660 "\n"
 661 "#ifdef VERTEX_SHADER\n"
 662 "void main(void)\n"
 663 "{\n"
 664 "       gl_Position = ModelViewProjectionMatrix * gl_Vertex;\n"
 665 "       TexCoord1 = gl_MultiTexCoord0.xy;\n"
 666 "#ifdef USEBLOOM\n"
 667 "       TexCoord2 = gl_MultiTexCoord1.xy;\n"
 668 "#endif\n"
 669 "}\n"
 670 "#endif\n"
 671 "\n"
 672 "#ifdef FRAGMENT_SHADER\n"
 673 "uniform sampler2D Texture_First;\n"
 674 "#ifdef USEBLOOM\n"
 675 "uniform sampler2D Texture_Second;\n"
 676 "#endif\n"
 677 "#ifdef USEGAMMARAMPS\n"
 678 "uniform sampler2D Texture_GammaRamps;\n"
 679 "#endif\n"
 680 "#ifdef USESATURATION\n"
 681 "uniform float Saturation;\n"
 682 "#endif\n"
 683 "#ifdef USEVIEWTINT\n"
 684 "uniform vec4 ViewTintColor;\n"
 685 "#endif\n"
 686 "//uncomment these if you want to use them:\n"
 687 "uniform vec4 UserVec1;\n"
 688 "uniform vec4 UserVec2;\n"
 689 "// uniform vec4 UserVec3;\n"
 690 "// uniform vec4 UserVec4;\n"
 691 "// uniform float ClientTime;\n"
 692 "uniform vec2 PixelSize;\n"
 693 "void main(void)\n"
 694 "{\n"
 695 "       gl_FragColor = texture2D(Texture_First, TexCoord1);\n"
 696 "#ifdef USEBLOOM\n"
 697 "       gl_FragColor += texture2D(Texture_Second, TexCoord2);\n"
 698 "#endif\n"
 699 "#ifdef USEVIEWTINT\n"
 700 "       gl_FragColor = mix(gl_FragColor, ViewTintColor, ViewTintColor.a);\n"
 701 "#endif\n"
 702 "\n"
 703 "#ifdef USEPOSTPROCESSING\n"
 704 "// do r_glsl_dumpshader, edit glsl/default.glsl, and replace this by your own postprocessing if you want\n"
 705 "// this code does a blur with the radius specified in the first component of r_glsl_postprocess_uservec1 and blends it using the second component\n"
 706 "       float sobel = 1.0;\n"
 707 "       // vec2 ts = textureSize(Texture_First, 0);\n"
 708 "       // vec2 px = vec2(1/ts.x, 1/ts.y);\n"
 709 "       vec2 px = PixelSize;\n"
 710 "       vec3 x1 = texture2D(Texture_First, TexCoord1 + vec2(-px.x, px.y)).rgb;\n"
 711 "       vec3 x2 = texture2D(Texture_First, TexCoord1 + vec2(-px.x,  0.0)).rgb;\n"
 712 "       vec3 x3 = texture2D(Texture_First, TexCoord1 + vec2(-px.x,-px.y)).rgb;\n"
 713 "       vec3 x4 = texture2D(Texture_First, TexCoord1 + vec2( px.x, px.y)).rgb;\n"
 714 "       vec3 x5 = texture2D(Texture_First, TexCoord1 + vec2( px.x,  0.0)).rgb;\n"
 715 "       vec3 x6 = texture2D(Texture_First, TexCoord1 + vec2( px.x,-px.y)).rgb;\n"
 716 "       vec3 y1 = texture2D(Texture_First, TexCoord1 + vec2( px.x,-px.y)).rgb;\n"
 717 "       vec3 y2 = texture2D(Texture_First, TexCoord1 + vec2(  0.0,-px.y)).rgb;\n"
 718 "       vec3 y3 = texture2D(Texture_First, TexCoord1 + vec2(-px.x,-px.y)).rgb;\n"
 719 "       vec3 y4 = texture2D(Texture_First, TexCoord1 + vec2( px.x, px.y)).rgb;\n"
 720 "       vec3 y5 = texture2D(Texture_First, TexCoord1 + vec2(  0.0, px.y)).rgb;\n"
 721 "       vec3 y6 = texture2D(Texture_First, TexCoord1 + vec2(-px.x, px.y)).rgb;\n"
 722 "       float px1 = -1.0 * dot(vec3(0.3, 0.59, 0.11), x1);\n"
 723 "       float px2 = -2.0 * dot(vec3(0.3, 0.59, 0.11), x2);\n"
 724 "       float px3 = -1.0 * dot(vec3(0.3, 0.59, 0.11), x3);\n"
 725 "       float px4 =  1.0 * dot(vec3(0.3, 0.59, 0.11), x4);\n"
 726 "       float px5 =  2.0 * dot(vec3(0.3, 0.59, 0.11), x5);\n"
 727 "       float px6 =  1.0 * dot(vec3(0.3, 0.59, 0.11), x6);\n"
 728 "       float py1 = -1.0 * dot(vec3(0.3, 0.59, 0.11), y1);\n"
 729 "       float py2 = -2.0 * dot(vec3(0.3, 0.59, 0.11), y2);\n"
 730 "       float py3 = -1.0 * dot(vec3(0.3, 0.59, 0.11), y3);\n"
 731 "       float py4 =  1.0 * dot(vec3(0.3, 0.59, 0.11), y4);\n"
 732 "       float py5 =  2.0 * dot(vec3(0.3, 0.59, 0.11), y5);\n"
 733 "       float py6 =  1.0 * dot(vec3(0.3, 0.59, 0.11), y6);\n"
 734 "       sobel = 0.25 * abs(px1 + px2 + px3 + px4 + px5 + px6) + 0.25 * abs(py1 + py2 + py3 + py4 + py5 + py6);\n"
 735 "       gl_FragColor += texture2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*vec2(-0.987688, -0.156434)) * UserVec1.y;\n"
 736 "       gl_FragColor += texture2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*vec2(-0.156434, -0.891007)) * UserVec1.y;\n"
 737 "       gl_FragColor += texture2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*vec2( 0.891007, -0.453990)) * UserVec1.y;\n"
 738 "       gl_FragColor += texture2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*vec2( 0.707107,  0.707107)) * UserVec1.y;\n"
 739 "       gl_FragColor += texture2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*vec2(-0.453990,  0.891007)) * UserVec1.y;\n"
 740 "       gl_FragColor /= (1.0 + 5.0 * UserVec1.y);\n"
 741 "       gl_FragColor.rgb = gl_FragColor.rgb * (1.0 + UserVec2.x) + vec3(max(0.0, sobel - UserVec2.z))*UserVec2.y;\n"
 742 "#endif\n"
 743 "\n"
 744 "#ifdef USESATURATION\n"
 745 "       //apply saturation BEFORE gamma ramps, so v_glslgamma value does not matter\n"
 746 "       float y = dot(gl_FragColor.rgb, vec3(0.299, 0.587, 0.114));\n"
 747 "       // 'vampire sight' effect, wheres red is compensated\n"
 748 "       #ifdef SATURATION_REDCOMPENSATE\n"
 749 "               float rboost = max(0.0, (gl_FragColor.r - max(gl_FragColor.g, gl_FragColor.b))*(1.0 - Saturation));\n"
 750 "               gl_FragColor.rgb = mix(vec3(y), gl_FragColor.rgb, Saturation);\n"
 751 "               gl_FragColor.r += rboost;\n"
 752 "       #else\n"
 753 "               // normal desaturation\n"
 754 "               //gl_FragColor = vec3(y) + (gl_FragColor.rgb - vec3(y)) * Saturation;\n"
 755 "               gl_FragColor.rgb = mix(vec3(y), gl_FragColor.rgb, Saturation);\n"
 756 "       #endif\n"
 757 "#endif\n"
 758 "\n"
 759 "#ifdef USEGAMMARAMPS\n"
 760 "       gl_FragColor.r = texture2D(Texture_GammaRamps, vec2(gl_FragColor.r, 0)).r;\n"
 761 "       gl_FragColor.g = texture2D(Texture_GammaRamps, vec2(gl_FragColor.g, 0)).g;\n"
 762 "       gl_FragColor.b = texture2D(Texture_GammaRamps, vec2(gl_FragColor.b, 0)).b;\n"
 763 "#endif\n"
 764 "}\n"
 765 "#endif\n"
 766 "#else // !MODE_POSTPROCESS\n"
 767 "\n"
 768 "\n"
 769 "\n"
 770 "\n"
 771 "#ifdef MODE_GENERIC\n"
 772 "#ifdef USEDIFFUSE\n"
 773 "varying vec2 TexCoord1;\n"
 774 "#endif\n"
 775 "#ifdef USESPECULAR\n"
 776 "varying vec2 TexCoord2;\n"
 777 "#endif\n"
 778 "#ifdef VERTEX_SHADER\n"
 779 "void main(void)\n"
 780 "{\n"
 781 "       gl_FrontColor = gl_Color;\n"
 782 "#ifdef USEDIFFUSE\n"
 783 "       TexCoord1 = gl_MultiTexCoord0.xy;\n"
 784 "#endif\n"
 785 "#ifdef USESPECULAR\n"
 786 "       TexCoord2 = gl_MultiTexCoord1.xy;\n"
 787 "#endif\n"
 788 "       gl_Position = ModelViewProjectionMatrix * gl_Vertex;\n"
 789 "}\n"
 790 "#endif\n"
 791 "\n"
 792 "#ifdef FRAGMENT_SHADER\n"
 793 "#ifdef USEDIFFUSE\n"
 794 "uniform sampler2D Texture_First;\n"
 795 "#endif\n"
 796 "#ifdef USESPECULAR\n"
 797 "uniform sampler2D Texture_Second;\n"
 798 "#endif\n"
 799 "\n"
 800 "void main(void)\n"
 801 "{\n"
 802 "       gl_FragColor = gl_Color;\n"
 803 "#ifdef USEDIFFUSE\n"
 804 "       gl_FragColor *= texture2D(Texture_First, TexCoord1);\n"
 805 "#endif\n"
 806 "\n"
 807 "#ifdef USESPECULAR\n"
 808 "       vec4 tex2 = texture2D(Texture_Second, TexCoord2);\n"
 809 "# ifdef USECOLORMAPPING\n"
 810 "       gl_FragColor *= tex2;\n"
 811 "# endif\n"
 812 "# ifdef USEGLOW\n"
 813 "       gl_FragColor += tex2;\n"
 814 "# endif\n"
 815 "# ifdef USEVERTEXTEXTUREBLEND\n"
 816 "       gl_FragColor = mix(gl_FragColor, tex2, tex2.a);\n"
 817 "# endif\n"
 818 "#endif\n"
 819 "}\n"
 820 "#endif\n"
 821 "#else // !MODE_GENERIC\n"
 822 "\n"
 823 "\n"
 824 "\n"
 825 "\n"
 826 "#ifdef MODE_BLOOMBLUR\n"
 827 "varying TexCoord;\n"
 828 "#ifdef VERTEX_SHADER\n"
 829 "void main(void)\n"
 830 "{\n"
 831 "       gl_FrontColor = gl_Color;\n"
 832 "       TexCoord = gl_MultiTexCoord0.xy;\n"
 833 "       gl_Position = ModelViewProjectionMatrix * gl_Vertex;\n"
 834 "}\n"
 835 "#endif\n"
 836 "\n"
 837 "#ifdef FRAGMENT_SHADER\n"
 838 "uniform sampler2D Texture_First;\n"
 839 "uniform vec4 BloomBlur_Parameters;\n"
 840 "\n"
 841 "void main(void)\n"
 842 "{\n"
 843 "       int i;\n"
 844 "       vec2 tc = TexCoord;\n"
 845 "       vec3 color = texture2D(Texture_First, tc).rgb;\n"
 846 "       tc += BloomBlur_Parameters.xy;\n"
 847 "       for (i = 1;i < SAMPLES;i++)\n"
 848 "       {\n"
 849 "               color += texture2D(Texture_First, tc).rgb;\n"
 850 "               tc += BloomBlur_Parameters.xy;\n"
 851 "       }\n"
 852 "       gl_FragColor = vec4(color * BloomBlur_Parameters.z + vec3(BloomBlur_Parameters.w), 1);\n"
 853 "}\n"
 854 "#endif\n"
 855 "#else // !MODE_BLOOMBLUR\n"
 856 "#ifdef MODE_REFRACTION\n"
 857 "varying vec2 TexCoord;\n"
 858 "varying vec4 ModelViewProjectionPosition;\n"
 859 "uniform mat4 TexMatrix;\n"
 860 "#ifdef VERTEX_SHADER\n"
 861 "\n"
 862 "void main(void)\n"
 863 "{\n"
 864 "       TexCoord = vec2(TexMatrix * gl_MultiTexCoord0);\n"
 865 "       gl_Position = ModelViewProjectionMatrix * gl_Vertex;\n"
 866 "       ModelViewProjectionPosition = gl_Position;\n"
 867 "}\n"
 868 "#endif\n"
 869 "\n"
 870 "#ifdef FRAGMENT_SHADER\n"
 871 "uniform sampler2D Texture_Normal;\n"
 872 "uniform sampler2D Texture_Refraction;\n"
 873 "uniform sampler2D Texture_Reflection;\n"
 874 "\n"
 875 "uniform vec4 DistortScaleRefractReflect;\n"
 876 "uniform vec4 ScreenScaleRefractReflect;\n"
 877 "uniform vec4 ScreenCenterRefractReflect;\n"
 878 "uniform vec4 RefractColor;\n"
 879 "uniform vec4 ReflectColor;\n"
 880 "uniform float ReflectFactor;\n"
 881 "uniform float ReflectOffset;\n"
 882 "\n"
 883 "void main(void)\n"
 884 "{\n"
 885 "       vec2 ScreenScaleRefractReflectIW = ScreenScaleRefractReflect.xy * (1.0 / ModelViewProjectionPosition.w);\n"
 886 "       //vec2 ScreenTexCoord = (ModelViewProjectionPosition.xy + normalize(vec3(texture2D(Texture_Normal, TexCoord)) - vec3(0.5)).xy * DistortScaleRefractReflect.xy * 100) * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect.xy;\n"
 887 "       vec2 SafeScreenTexCoord = ModelViewProjectionPosition.xy * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect.xy;\n"
 888 "       vec2 ScreenTexCoord = SafeScreenTexCoord + vec2(normalize(vec3(texture2D(Texture_Normal, TexCoord)) - vec3(0.5))).xy * DistortScaleRefractReflect.xy;\n"
 889 "       // FIXME temporary hack to detect the case that the reflection\n"
 890 "       // gets blackened at edges due to leaving the area that contains actual\n"
 891 "       // content.\n"
 892 "       // Remove this 'ack once we have a better way to stop this thing from\n"
 893 "       // 'appening.\n"
 894 "       float f = min(1.0, length(texture2D(Texture_Refraction, ScreenTexCoord + vec2(0.01, 0.01)).rgb) / 0.05);\n"
 895 "       f      *= min(1.0, length(texture2D(Texture_Refraction, ScreenTexCoord + vec2(0.01, -0.01)).rgb) / 0.05);\n"
 896 "       f      *= min(1.0, length(texture2D(Texture_Refraction, ScreenTexCoord + vec2(-0.01, 0.01)).rgb) / 0.05);\n"
 897 "       f      *= min(1.0, length(texture2D(Texture_Refraction, ScreenTexCoord + vec2(-0.01, -0.01)).rgb) / 0.05);\n"
 898 "       ScreenTexCoord = mix(SafeScreenTexCoord, ScreenTexCoord, f);\n"
 899 "       gl_FragColor = vec4(texture2D(Texture_Refraction, ScreenTexCoord).rgb, 1.0) * RefractColor;\n"
 900 "}\n"
 901 "#endif\n"
 902 "#else // !MODE_REFRACTION\n"
 903 "\n"
 904 "\n"
 905 "\n"
 906 "\n"
 907 "#ifdef MODE_WATER\n"
 908 "varying vec2 TexCoord;\n"
 909 "varying vec3 EyeVector;\n"
 910 "varying vec4 ModelViewProjectionPosition;\n"
 911 "#ifdef VERTEX_SHADER\n"
 912 "uniform vec3 EyePosition;\n"
 913 "uniform mat4 TexMatrix;\n"
 914 "\n"
 915 "void main(void)\n"
 916 "{\n"
 917 "       TexCoord = vec2(TexMatrix * gl_MultiTexCoord0);\n"
 918 "       vec3 EyeVectorModelSpace = EyePosition - gl_Vertex.xyz;\n"
 919 "       EyeVector.x = dot(EyeVectorModelSpace, gl_MultiTexCoord1.xyz);\n"
 920 "       EyeVector.y = dot(EyeVectorModelSpace, gl_MultiTexCoord2.xyz);\n"
 921 "       EyeVector.z = dot(EyeVectorModelSpace, gl_MultiTexCoord3.xyz);\n"
 922 "       gl_Position = ModelViewProjectionMatrix * gl_Vertex;\n"
 923 "       ModelViewProjectionPosition = gl_Position;\n"
 924 "}\n"
 925 "#endif\n"
 926 "\n"
 927 "#ifdef FRAGMENT_SHADER\n"
 928 "uniform sampler2D Texture_Normal;\n"
 929 "uniform sampler2D Texture_Refraction;\n"
 930 "uniform sampler2D Texture_Reflection;\n"
 931 "\n"
 932 "uniform vec4 DistortScaleRefractReflect;\n"
 933 "uniform vec4 ScreenScaleRefractReflect;\n"
 934 "uniform vec4 ScreenCenterRefractReflect;\n"
 935 "uniform vec4 RefractColor;\n"
 936 "uniform vec4 ReflectColor;\n"
 937 "uniform float ReflectFactor;\n"
 938 "uniform float ReflectOffset;\n"
 939 "uniform float ClientTime;\n"
 940 "#ifdef USENORMALMAPSCROLLBLEND\n"
 941 "uniform vec2 NormalmapScrollBlend;\n"
 942 "#endif\n"
 943 "\n"
 944 "void main(void)\n"
 945 "{\n"
 946 "       vec4 ScreenScaleRefractReflectIW = ScreenScaleRefractReflect * (1.0 / ModelViewProjectionPosition.w);\n"
 947 "       //vec4 ScreenTexCoord = (ModelViewProjectionPosition.xyxy + normalize(vec3(texture2D(Texture_Normal, TexCoord)) - vec3(0.5)).xyxy * DistortScaleRefractReflect * 100) * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect;\n"
 948 "       vec4 SafeScreenTexCoord = ModelViewProjectionPosition.xyxy * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect;\n"
 949 "       //SafeScreenTexCoord = gl_FragCoord.xyxy * vec4(1.0 / 1920.0, 1.0 / 1200.0, 1.0 / 1920.0, 1.0 / 1200.0);\n"
 950 "       // slight water animation via 2 layer scrolling (todo: tweak)\n"
 951 "       #ifdef USENORMALMAPSCROLLBLEND\n"
 952 "               vec3 normal = texture2D(Texture_Normal, (TexCoord + vec2(0.08, 0.08)*ClientTime*NormalmapScrollBlend.x*0.5)*NormalmapScrollBlend.y).rgb - vec3(1.0);\n"
 953 "               normal += texture2D(Texture_Normal, (TexCoord + vec2(-0.06, -0.09)*ClientTime*NormalmapScrollBlend.x)*NormalmapScrollBlend.y*0.75).rgb;\n"
 954 "               vec4 ScreenTexCoord = SafeScreenTexCoord + vec2(normalize(normal) + vec3(0.15)).xyxy * DistortScaleRefractReflect;\n"
 955 "       #else\n"
 956 "               vec4 ScreenTexCoord = SafeScreenTexCoord + vec2(normalize(vec3(texture2D(Texture_Normal, TexCoord)) - vec3(0.5))).xyxy * DistortScaleRefractReflect;\n"
 957 "       #endif\n"
 958 "       // FIXME temporary hack to detect the case that the reflection\n"
 959 "       // gets blackened at edges due to leaving the area that contains actual\n"
 960 "       // content.\n"
 961 "       // Remove this 'ack once we have a better way to stop this thing from\n"
 962 "       // 'appening.\n"
 963 "       float f1 = min(1.0, length(texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(0.005, 0.01)).rgb) / 0.002);\n"
 964 "       f1      *= min(1.0, length(texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(0.005, -0.01)).rgb) / 0.002);\n"
 965 "       f1      *= min(1.0, length(texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(-0.005, 0.01)).rgb) / 0.002);\n"
 966 "       f1      *= min(1.0, length(texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(-0.005, -0.01)).rgb) / 0.002);\n"
 967 "       ScreenTexCoord.xy = mix(SafeScreenTexCoord.xy, ScreenTexCoord.xy, f1);\n"
 968 "       float f = min(1.0, length(texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(0.005, 0.005)).rgb) / 0.002);\n"
 969 "       f      *= min(1.0, length(texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(0.005, -0.005)).rgb) / 0.002);\n"
 970 "       f      *= min(1.0, length(texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(-0.005, 0.005)).rgb) / 0.002);\n"
 971 "       f      *= min(1.0, length(texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(-0.005, -0.005)).rgb) / 0.002);\n"
 972 "       ScreenTexCoord.zw = mix(SafeScreenTexCoord.zw, ScreenTexCoord.zw, f);\n"
 973 "       float Fresnel = pow(min(1.0, 1.0 - float(normalize(EyeVector).z)), 2.0) * ReflectFactor + ReflectOffset;\n"
 974 "       gl_FragColor = mix(vec4(texture2D(Texture_Refraction, ScreenTexCoord.xy).rgb, 1) * RefractColor, vec4(texture2D(Texture_Reflection, ScreenTexCoord.zw).rgb, 1) * ReflectColor, Fresnel);\n"
 975 "       gl_FragColor.a = f1 + 0.5;\n"
 976 "}\n"
 977 "#endif\n"
 978 "#else // !MODE_WATER\n"
 979 "\n"
 980 "\n"
 981 "\n"
 982 "\n"
 983 "// common definitions between vertex shader and fragment shader:\n"
 984 "\n"
 985 "varying vec2 TexCoord;\n"
 986 "#ifdef USEVERTEXTEXTUREBLEND\n"
 987 "varying vec2 TexCoord2;\n"
 988 "#endif\n"
 989 "#ifdef USELIGHTMAP\n"
 990 "varying vec2 TexCoordLightmap;\n"
 991 "#endif\n"
 992 "\n"
 993 "#ifdef MODE_LIGHTSOURCE\n"
 994 "varying vec3 CubeVector;\n"
 995 "#endif\n"
 996 "\n"
 997 "#if (defined(MODE_LIGHTSOURCE) || defined(MODE_LIGHTDIRECTION)) && defined(USEDIFFUSE)\n"
 998 "varying vec3 LightVector;\n"
 999 "#endif\n"
1000 "\n"
1001 "#ifdef USEEYEVECTOR\n"
1002 "varying vec3 EyeVector;\n"
1003 "#endif\n"
1004 "#ifdef USEFOG\n"
1005 "varying vec4 EyeVectorModelSpaceFogPlaneVertexDist;\n"
1006 "#endif\n"
1007 "\n"
1008 "#if defined(MODE_LIGHTDIRECTIONMAP_MODELSPACE) || defined(MODE_DEFERREDGEOMETRY) || defined(USEREFLECTCUBE)\n"
1009 "varying vec3 VectorS; // direction of S texcoord (sometimes crudely called tangent)\n"
1010 "varying vec3 VectorT; // direction of T texcoord (sometimes crudely called binormal)\n"
1011 "varying vec3 VectorR; // direction of R texcoord (surface normal)\n"
1012 "#endif\n"
1013 "\n"
1014 "#ifdef USEREFLECTION\n"
1015 "varying vec4 ModelViewProjectionPosition;\n"
1016 "#endif\n"
1017 "#ifdef MODE_DEFERREDLIGHTSOURCE\n"
1018 "uniform vec3 LightPosition;\n"
1019 "varying vec4 ModelViewPosition;\n"
1020 "#endif\n"
1021 "\n"
1022 "#ifdef MODE_LIGHTSOURCE\n"
1023 "uniform vec3 LightPosition;\n"
1024 "#endif\n"
1025 "uniform vec3 EyePosition;\n"
1026 "#ifdef MODE_LIGHTDIRECTION\n"
1027 "uniform vec3 LightDir;\n"
1028 "#endif\n"
1029 "uniform vec4 FogPlane;\n"
1030 "\n"
1031 "#ifdef USESHADOWMAPORTHO\n"
1032 "varying vec3 ShadowMapTC;\n"
1033 "#endif\n"
1034 "\n"
1035 "\n"
1036 "\n"
1037 "\n"
1038 "\n"
1039 "// TODO: get rid of tangentt (texcoord2) and use a crossproduct to regenerate it from tangents (texcoord1) and normal (texcoord3), this would require sending a 4 component texcoord1 with W as 1 or -1 according to which side the texcoord2 should be on\n"
1040 "\n"
1041 "// fragment shader specific:\n"
1042 "#ifdef FRAGMENT_SHADER\n"
1043 "\n"
1044 "uniform sampler2D Texture_Normal;\n"
1045 "uniform sampler2D Texture_Color;\n"
1046 "uniform sampler2D Texture_Gloss;\n"
1047 "#ifdef USEGLOW\n"
1048 "uniform sampler2D Texture_Glow;\n"
1049 "#endif\n"
1050 "#ifdef USEVERTEXTEXTUREBLEND\n"
1051 "uniform sampler2D Texture_SecondaryNormal;\n"
1052 "uniform sampler2D Texture_SecondaryColor;\n"
1053 "uniform sampler2D Texture_SecondaryGloss;\n"
1054 "#ifdef USEGLOW\n"
1055 "uniform sampler2D Texture_SecondaryGlow;\n"
1056 "#endif\n"
1057 "#endif\n"
1058 "#ifdef USECOLORMAPPING\n"
1059 "uniform sampler2D Texture_Pants;\n"
1060 "uniform sampler2D Texture_Shirt;\n"
1061 "#endif\n"
1062 "#ifdef USEFOG\n"
1063 "#ifdef USEFOGHEIGHTTEXTURE\n"
1064 "uniform sampler2D Texture_FogHeightTexture;\n"
1065 "#endif\n"
1066 "uniform sampler2D Texture_FogMask;\n"
1067 "#endif\n"
1068 "#ifdef USELIGHTMAP\n"
1069 "uniform sampler2D Texture_Lightmap;\n"
1070 "#endif\n"
1071 "#if defined(MODE_LIGHTDIRECTIONMAP_MODELSPACE) || defined(MODE_LIGHTDIRECTIONMAP_TANGENTSPACE)\n"
1072 "uniform sampler2D Texture_Deluxemap;\n"
1073 "#endif\n"
1074 "#ifdef USEREFLECTION\n"
1075 "uniform sampler2D Texture_Reflection;\n"
1076 "#endif\n"
1077 "\n"
1078 "#ifdef MODE_DEFERREDLIGHTSOURCE\n"
1079 "uniform sampler2D Texture_ScreenDepth;\n"
1080 "uniform sampler2D Texture_ScreenNormalMap;\n"
1081 "#endif\n"
1082 "#ifdef USEDEFERREDLIGHTMAP\n"
1083 "uniform sampler2D Texture_ScreenDiffuse;\n"
1084 "uniform sampler2D Texture_ScreenSpecular;\n"
1085 "#endif\n"
1086 "\n"
1087 "uniform myhalf3 Color_Pants;\n"
1088 "uniform myhalf3 Color_Shirt;\n"
1089 "uniform myhalf3 FogColor;\n"
1090 "\n"
1091 "#ifdef USEFOG\n"
1092 "uniform float FogRangeRecip;\n"
1093 "uniform float FogPlaneViewDist;\n"
1094 "uniform float FogHeightFade;\n"
1095 "vec3 FogVertex(vec3 surfacecolor)\n"
1096 "{\n"
1097 "       vec3 EyeVectorModelSpace = EyeVectorModelSpaceFogPlaneVertexDist.xyz;\n"
1098 "       float FogPlaneVertexDist = EyeVectorModelSpaceFogPlaneVertexDist.w;\n"
1099 "       float fogfrac;\n"
1100 "#ifdef USEFOGHEIGHTTEXTURE\n"
1101 "       vec4 fogheightpixel = texture2D(Texture_FogHeightTexture, vec2(1,1) + vec2(FogPlaneVertexDist, FogPlaneViewDist) * (-2.0 * FogHeightFade));\n"
1102 "       fogfrac = fogheightpixel.a;\n"
1103 "       return mix(fogheightpixel.rgb * FogColor, surfacecolor, texture2D(Texture_FogMask, myhalf2(length(EyeVectorModelSpace)*fogfrac*FogRangeRecip, 0.0)).r);\n"
1104 "#else\n"
1105 "# ifdef USEFOGOUTSIDE\n"
1106 "       fogfrac = min(0.0, FogPlaneVertexDist) / (FogPlaneVertexDist - FogPlaneViewDist) * min(1.0, min(0.0, FogPlaneVertexDist) * FogHeightFade);\n"
1107 "# else\n"
1108 "       fogfrac = FogPlaneViewDist / (FogPlaneViewDist - max(0.0, FogPlaneVertexDist)) * min(1.0, (min(0.0, FogPlaneVertexDist) + FogPlaneViewDist) * FogHeightFade);\n"
1109 "# endif\n"
1110 "       return mix(FogColor, surfacecolor, texture2D(Texture_FogMask, myhalf2(length(EyeVectorModelSpace)*fogfrac*FogRangeRecip, 0.0)).r);\n"
1111 "#endif\n"
1112 "}\n"
1113 "#endif\n"
1114 "\n"
1115 "#ifdef USEOFFSETMAPPING\n"
1116 "uniform float OffsetMapping_Scale;\n"
1117 "vec2 OffsetMapping(vec2 TexCoord)\n"
1118 "{\n"
1119 "#ifdef USEOFFSETMAPPING_RELIEFMAPPING\n"
1120 "       // 14 sample relief mapping: linear search and then binary search\n"
1121 "       // this basically steps forward a small amount repeatedly until it finds\n"
1122 "       // itself inside solid, then jitters forward and back using decreasing\n"
1123 "       // amounts to find the impact\n"
1124 "       //vec3 OffsetVector = vec3(EyeVector.xy * ((1.0 / EyeVector.z) * OffsetMapping_Scale) * vec2(-1, 1), -1);\n"
1125 "       //vec3 OffsetVector = vec3(normalize(EyeVector.xy) * OffsetMapping_Scale * vec2(-1, 1), -1);\n"
1126 "       vec3 OffsetVector = vec3(normalize(EyeVector).xy * OffsetMapping_Scale * vec2(-1, 1), -1);\n"
1127 "       vec3 RT = vec3(TexCoord, 1);\n"
1128 "       OffsetVector *= 0.1;\n"
1129 "       RT += OffsetVector *  step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
1130 "       RT += OffsetVector *  step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
1131 "       RT += OffsetVector *  step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
1132 "       RT += OffsetVector *  step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
1133 "       RT += OffsetVector *  step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
1134 "       RT += OffsetVector *  step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
1135 "       RT += OffsetVector *  step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
1136 "       RT += OffsetVector *  step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
1137 "       RT += OffsetVector *  step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
1138 "       RT += OffsetVector * (step(texture2D(Texture_Normal, RT.xy).a, RT.z)          - 0.5);\n"
1139 "       RT += OffsetVector * (step(texture2D(Texture_Normal, RT.xy).a, RT.z) * 0.5    - 0.25);\n"
1140 "       RT += OffsetVector * (step(texture2D(Texture_Normal, RT.xy).a, RT.z) * 0.25   - 0.125);\n"
1141 "       RT += OffsetVector * (step(texture2D(Texture_Normal, RT.xy).a, RT.z) * 0.125  - 0.0625);\n"
1142 "       RT += OffsetVector * (step(texture2D(Texture_Normal, RT.xy).a, RT.z) * 0.0625 - 0.03125);\n"
1143 "       return RT.xy;\n"
1144 "#else\n"
1145 "       // 3 sample offset mapping (only 3 samples because of ATI Radeon 9500-9800/X300 limits)\n"
1146 "       // this basically moves forward the full distance, and then backs up based\n"
1147 "       // on height of samples\n"
1148 "       //vec2 OffsetVector = vec2(EyeVector.xy * ((1.0 / EyeVector.z) * OffsetMapping_Scale) * vec2(-1, 1));\n"
1149 "       //vec2 OffsetVector = vec2(normalize(EyeVector.xy) * OffsetMapping_Scale * vec2(-1, 1));\n"
1150 "       vec2 OffsetVector = vec2(normalize(EyeVector).xy * OffsetMapping_Scale * vec2(-1, 1));\n"
1151 "       TexCoord += OffsetVector;\n"
1152 "       OffsetVector *= 0.333;\n"
1153 "       TexCoord -= OffsetVector * texture2D(Texture_Normal, TexCoord).a;\n"
1154 "       TexCoord -= OffsetVector * texture2D(Texture_Normal, TexCoord).a;\n"
1155 "       TexCoord -= OffsetVector * texture2D(Texture_Normal, TexCoord).a;\n"
1156 "       return TexCoord;\n"
1157 "#endif\n"
1158 "}\n"
1159 "#endif // USEOFFSETMAPPING\n"
1160 "\n"
1161 "#if defined(MODE_LIGHTSOURCE) || defined(MODE_DEFERREDLIGHTSOURCE)\n"
1162 "uniform sampler2D Texture_Attenuation;\n"
1163 "uniform samplerCube Texture_Cube;\n"
1164 "#endif\n"
1165 "\n"
1166 "#if defined(MODE_LIGHTSOURCE) || defined(MODE_DEFERREDLIGHTSOURCE) || defined(USESHADOWMAPORTHO)\n"
1167 "\n"
1168 "#ifdef USESHADOWMAPRECT\n"
1169 "# ifdef USESHADOWSAMPLER\n"
1170 "uniform sampler2DRectShadow Texture_ShadowMapRect;\n"
1171 "# else\n"
1172 "uniform sampler2DRect Texture_ShadowMapRect;\n"
1173 "# endif\n"
1174 "#endif\n"
1175 "\n"
1176 "#ifdef USESHADOWMAP2D\n"
1177 "# ifdef USESHADOWSAMPLER\n"
1178 "uniform sampler2DShadow Texture_ShadowMap2D;\n"
1179 "# else\n"
1180 "uniform sampler2D Texture_ShadowMap2D;\n"
1181 "# endif\n"
1182 "#endif\n"
1183 "\n"
1184 "#ifdef USESHADOWMAPVSDCT\n"
1185 "uniform samplerCube Texture_CubeProjection;\n"
1186 "#endif\n"
1187 "\n"
1188 "#ifdef USESHADOWMAPCUBE\n"
1189 "# ifdef USESHADOWSAMPLER\n"
1190 "uniform samplerCubeShadow Texture_ShadowMapCube;\n"
1191 "# else\n"
1192 "uniform samplerCube Texture_ShadowMapCube;\n"
1193 "# endif\n"
1194 "#endif\n"
1195 "\n"
1196 "#if defined(USESHADOWMAPRECT) || defined(USESHADOWMAP2D) || defined(USESHADOWMAPCUBE)\n"
1197 "uniform vec2 ShadowMap_TextureScale;\n"
1198 "uniform vec4 ShadowMap_Parameters;\n"
1199 "#endif\n"
1200 "\n"
1201 "#if defined(USESHADOWMAPRECT) || defined(USESHADOWMAP2D)\n"
1202 "# ifdef USESHADOWMAPORTHO\n"
1203 "#  define GetShadowMapTC2D(dir) (min(dir, ShadowMap_Parameters.xyz))\n"
1204 "# else\n"
1205 "#  ifdef USESHADOWMAPVSDCT\n"
1206 "vec3 GetShadowMapTC2D(vec3 dir)\n"
1207 "{\n"
1208 "       vec3 adir = abs(dir);\n"
1209 "       vec2 aparams = ShadowMap_Parameters.xy / max(max(adir.x, adir.y), adir.z);\n"
1210 "       vec4 proj = textureCube(Texture_CubeProjection, dir);\n"
1211 "       return vec3(mix(dir.xy, dir.zz, proj.xy) * aparams.x + proj.zw * ShadowMap_Parameters.z, aparams.y + ShadowMap_Parameters.w);\n"
1212 "}\n"
1213 "#  else\n"
1214 "vec3 GetShadowMapTC2D(vec3 dir)\n"
1215 "{\n"
1216 "       vec3 adir = abs(dir);\n"
1217 "       float ma = adir.z;\n"
1218 "       vec4 proj = vec4(dir, 2.5);\n"
1219 "       if (adir.x > ma) { ma = adir.x; proj = vec4(dir.zyx, 0.5); }\n"
1220 "       if (adir.y > ma) { ma = adir.y; proj = vec4(dir.xzy, 1.5); }\n"
1221 "       vec2 aparams = ShadowMap_Parameters.xy / ma;\n"
1222 "       return vec3(proj.xy * aparams.x + vec2(proj.z < 0.0 ? 1.5 : 0.5, proj.w) * ShadowMap_Parameters.z, aparams.y + ShadowMap_Parameters.w);\n"
1223 "}\n"
1224 "#  endif\n"
1225 "# endif\n"
1226 "#endif // defined(USESHADOWMAPRECT) || defined(USESHADOWMAP2D)\n"
1227 "\n"
1228 "#ifdef USESHADOWMAPCUBE\n"
1229 "vec4 GetShadowMapTCCube(vec3 dir)\n"
1230 "{\n"
1231 "       vec3 adir = abs(dir);\n"
1232 "       return vec4(dir, ShadowMap_Parameters.w + ShadowMap_Parameters.y / max(max(adir.x, adir.y), adir.z));\n"
1233 "}\n"
1234 "#endif\n"
1235 "\n"
1236 "# ifdef USESHADOWMAPRECT\n"
1237 "float ShadowMapCompare(vec3 dir)\n"
1238 "{\n"
1239 "       vec3 shadowmaptc = GetShadowMapTC2D(dir);\n"
1240 "       float f;\n"
1241 "#  ifdef USESHADOWSAMPLER\n"
1242 "\n"
1243 "#    ifdef USESHADOWMAPPCF\n"
1244 "#      define texval(x, y) shadow2DRect(Texture_ShadowMapRect, shadowmaptc + vec3(x, y, 0.0)).r\n"
1245 "       f = dot(vec4(0.25), vec4(texval(-0.4, 1.0), texval(-1.0, -0.4), texval(0.4, -1.0), texval(1.0, 0.4)));\n"
1246 "#    else\n"
1247 "       f = shadow2DRect(Texture_ShadowMapRect, shadowmaptc).r;\n"
1248 "#    endif\n"
1249 "\n"
1250 "#  else\n"
1251 "\n"
1252 "#    ifdef USESHADOWMAPPCF\n"
1253 "#      if USESHADOWMAPPCF > 1\n"
1254 "#        define texval(x, y) texture2DRect(Texture_ShadowMapRect, center + vec2(x, y)).r\n"
1255 "       vec2 center = shadowmaptc.xy - 0.5, offset = fract(center);\n"
1256 "       vec4 row1 = step(shadowmaptc.z, vec4(texval(-1.0, -1.0), texval( 0.0, -1.0), texval( 1.0, -1.0), texval( 2.0, -1.0)));\n"
1257 "       vec4 row2 = step(shadowmaptc.z, vec4(texval(-1.0,  0.0), texval( 0.0,  0.0), texval( 1.0,  0.0), texval( 2.0,  0.0)));\n"
1258 "       vec4 row3 = step(shadowmaptc.z, vec4(texval(-1.0,  1.0), texval( 0.0,  1.0), texval( 1.0,  1.0), texval( 2.0,  1.0)));\n"
1259 "       vec4 row4 = step(shadowmaptc.z, vec4(texval(-1.0,  2.0), texval( 0.0,  2.0), texval( 1.0,  2.0), texval( 2.0,  2.0)));\n"
1260 "       vec4 cols = row2 + row3 + mix(row1, row4, offset.y);\n"
1261 "       f = dot(mix(cols.xyz, cols.yzw, offset.x), vec3(1.0/9.0));\n"
1262 "#      else\n"
1263 "#        define texval(x, y) texture2DRect(Texture_ShadowMapRect, shadowmaptc.xy + vec2(x, y)).r\n"
1264 "       vec2 offset = fract(shadowmaptc.xy);\n"
1265 "       vec3 row1 = step(shadowmaptc.z, vec3(texval(-1.0, -1.0), texval( 0.0, -1.0), texval( 1.0, -1.0)));\n"
1266 "       vec3 row2 = step(shadowmaptc.z, vec3(texval(-1.0,  0.0), texval( 0.0,  0.0), texval( 1.0,  0.0)));\n"
1267 "       vec3 row3 = step(shadowmaptc.z, vec3(texval(-1.0,  1.0), texval( 0.0,  1.0), texval( 1.0,  1.0)));\n"
1268 "       vec3 cols = row2 + mix(row1, row3, offset.y);\n"
1269 "       f = dot(mix(cols.xy, cols.yz, offset.x), vec2(0.25));\n"
1270 "#      endif\n"
1271 "#    else\n"
1272 "       f = step(shadowmaptc.z, texture2DRect(Texture_ShadowMapRect, shadowmaptc.xy).r);\n"
1273 "#    endif\n"
1274 "\n"
1275 "#  endif\n"
1276 "#  ifdef USESHADOWMAPORTHO\n"
1277 "       return mix(ShadowMap_Parameters.w, 1.0, f);\n"
1278 "#  else\n"
1279 "       return f;\n"
1280 "#  endif\n"
1281 "}\n"
1282 "# endif\n"
1283 "\n"
1284 "# ifdef USESHADOWMAP2D\n"
1285 "float ShadowMapCompare(vec3 dir)\n"
1286 "{\n"
1287 "       vec3 shadowmaptc = GetShadowMapTC2D(dir);\n"
1288 "       float f;\n"
1289 "\n"
1290 "#  ifdef USESHADOWSAMPLER\n"
1291 "#    ifdef USESHADOWMAPPCF\n"
1292 "#      define texval(x, y) shadow2D(Texture_ShadowMap2D, vec3(center + vec2(x, y)*ShadowMap_TextureScale, shadowmaptc.z)).r  \n"
1293 "       vec2 center = shadowmaptc.xy*ShadowMap_TextureScale;\n"
1294 "       f = dot(vec4(0.25), vec4(texval(-0.4, 1.0), texval(-1.0, -0.4), texval(0.4, -1.0), texval(1.0, 0.4)));\n"
1295 "#    else\n"
1296 "       f = shadow2D(Texture_ShadowMap2D, vec3(shadowmaptc.xy*ShadowMap_TextureScale, shadowmaptc.z)).r;\n"
1297 "#    endif\n"
1298 "#  else\n"
1299 "#    ifdef USESHADOWMAPPCF\n"
1300 "#     if defined(GL_ARB_texture_gather) || defined(GL_AMD_texture_texture4)\n"
1301 "#      ifdef GL_ARB_texture_gather\n"
1302 "#        define texval(x, y) textureGatherOffset(Texture_ShadowMap2D, center, ivec2(x, y))\n"
1303 "#      else\n"
1304 "#        define texval(x, y) texture4(Texture_ShadowMap2D, center + vec2(x, y)*ShadowMap_TextureScale)\n"
1305 "#      endif\n"
1306 "       vec2 offset = fract(shadowmaptc.xy - 0.5), center = (shadowmaptc.xy - offset)*ShadowMap_TextureScale;\n"
1307 "#      if USESHADOWMAPPCF > 1\n"
1308 "   vec4 group1 = step(shadowmaptc.z, texval(-2.0, -2.0));\n"
1309 "   vec4 group2 = step(shadowmaptc.z, texval( 0.0, -2.0));\n"
1310 "   vec4 group3 = step(shadowmaptc.z, texval( 2.0, -2.0));\n"
1311 "   vec4 group4 = step(shadowmaptc.z, texval(-2.0,  0.0));\n"
1312 "   vec4 group5 = step(shadowmaptc.z, texval( 0.0,  0.0));\n"
1313 "   vec4 group6 = step(shadowmaptc.z, texval( 2.0,  0.0));\n"
1314 "   vec4 group7 = step(shadowmaptc.z, texval(-2.0,  2.0));\n"
1315 "   vec4 group8 = step(shadowmaptc.z, texval( 0.0,  2.0));\n"
1316 "   vec4 group9 = step(shadowmaptc.z, texval( 2.0,  2.0));\n"
1317 "       vec4 locols = vec4(group1.ab, group3.ab);\n"
1318 "       vec4 hicols = vec4(group7.rg, group9.rg);\n"
1319 "       locols.yz += group2.ab;\n"
1320 "       hicols.yz += group8.rg;\n"
1321 "       vec4 midcols = vec4(group1.rg, group3.rg) + vec4(group7.ab, group9.ab) +\n"
1322 "                               vec4(group4.rg, group6.rg) + vec4(group4.ab, group6.ab) +\n"
1323 "                               mix(locols, hicols, offset.y);\n"
1324 "       vec4 cols = group5 + vec4(group2.rg, group8.ab);\n"
1325 "       cols.xyz += mix(midcols.xyz, midcols.yzw, offset.x);\n"
1326 "       f = dot(cols, vec4(1.0/25.0));\n"
1327 "#      else\n"
1328 "       vec4 group1 = step(shadowmaptc.z, texval(-1.0, -1.0));\n"
1329 "       vec4 group2 = step(shadowmaptc.z, texval( 1.0, -1.0));\n"
1330 "       vec4 group3 = step(shadowmaptc.z, texval(-1.0,  1.0));\n"
1331 "       vec4 group4 = step(shadowmaptc.z, texval( 1.0,  1.0));\n"
1332 "       vec4 cols = vec4(group1.rg, group2.rg) + vec4(group3.ab, group4.ab) +\n"
1333 "                               mix(vec4(group1.ab, group2.ab), vec4(group3.rg, group4.rg), offset.y);\n"
1334 "       f = dot(mix(cols.xyz, cols.yzw, offset.x), vec3(1.0/9.0));\n"
1335 "#      endif\n"
1336 "#     else\n"
1337 "#      ifdef GL_EXT_gpu_shader4\n"
1338 "#        define texval(x, y) texture2DOffset(Texture_ShadowMap2D, center, ivec2(x, y)).r\n"
1339 "#      else\n"
1340 "#        define texval(x, y) texture2D(Texture_ShadowMap2D, center + vec2(x, y)*ShadowMap_TextureScale).r  \n"
1341 "#      endif\n"
1342 "#      if USESHADOWMAPPCF > 1\n"
1343 "       vec2 center = shadowmaptc.xy - 0.5, offset = fract(center);\n"
1344 "       center *= ShadowMap_TextureScale;\n"
1345 "       vec4 row1 = step(shadowmaptc.z, vec4(texval(-1.0, -1.0), texval( 0.0, -1.0), texval( 1.0, -1.0), texval( 2.0, -1.0)));\n"
1346 "       vec4 row2 = step(shadowmaptc.z, vec4(texval(-1.0,  0.0), texval( 0.0,  0.0), texval( 1.0,  0.0), texval( 2.0,  0.0)));\n"
1347 "       vec4 row3 = step(shadowmaptc.z, vec4(texval(-1.0,  1.0), texval( 0.0,  1.0), texval( 1.0,  1.0), texval( 2.0,  1.0)));\n"
1348 "       vec4 row4 = step(shadowmaptc.z, vec4(texval(-1.0,  2.0), texval( 0.0,  2.0), texval( 1.0,  2.0), texval( 2.0,  2.0)));\n"
1349 "       vec4 cols = row2 + row3 + mix(row1, row4, offset.y);\n"
1350 "       f = dot(mix(cols.xyz, cols.yzw, offset.x), vec3(1.0/9.0));\n"
1351 "#      else\n"
1352 "       vec2 center = shadowmaptc.xy*ShadowMap_TextureScale, offset = fract(shadowmaptc.xy);\n"
1353 "       vec3 row1 = step(shadowmaptc.z, vec3(texval(-1.0, -1.0), texval( 0.0, -1.0), texval( 1.0, -1.0)));\n"
1354 "       vec3 row2 = step(shadowmaptc.z, vec3(texval(-1.0,  0.0), texval( 0.0,  0.0), texval( 1.0,  0.0)));\n"
1355 "       vec3 row3 = step(shadowmaptc.z, vec3(texval(-1.0,  1.0), texval( 0.0,  1.0), texval( 1.0,  1.0)));\n"
1356 "       vec3 cols = row2 + mix(row1, row3, offset.y);\n"
1357 "       f = dot(mix(cols.xy, cols.yz, offset.x), vec2(0.25));\n"
1358 "#      endif\n"
1359 "#     endif\n"
1360 "#    else\n"
1361 "       f = step(shadowmaptc.z, texture2D(Texture_ShadowMap2D, shadowmaptc.xy*ShadowMap_TextureScale).r);\n"
1362 "#    endif\n"
1363 "#  endif\n"
1364 "#  ifdef USESHADOWMAPORTHO\n"
1365 "       return mix(ShadowMap_Parameters.w, 1.0, f);\n"
1366 "#  else\n"
1367 "       return f;\n"
1368 "#  endif\n"
1369 "}\n"
1370 "# endif\n"
1371 "\n"
1372 "# ifdef USESHADOWMAPCUBE\n"
1373 "float ShadowMapCompare(vec3 dir)\n"
1374 "{\n"
1375 "       // apply depth texture cubemap as light filter\n"
1376 "       vec4 shadowmaptc = GetShadowMapTCCube(dir);\n"
1377 "       float f;\n"
1378 "#  ifdef USESHADOWSAMPLER\n"
1379 "       f = shadowCube(Texture_ShadowMapCube, shadowmaptc).r;\n"
1380 "#  else\n"
1381 "       f = step(shadowmaptc.w, textureCube(Texture_ShadowMapCube, shadowmaptc.xyz).r);\n"
1382 "#  endif\n"
1383 "       return f;\n"
1384 "}\n"
1385 "# endif\n"
1386 "#endif // !defined(MODE_LIGHTSOURCE) && !defined(MODE_DEFERREDLIGHTSOURCE) && !defined(USESHADOWMAPORTHO)\n"
1387 "#endif // FRAGMENT_SHADER\n"
1388 "\n"
1389 "\n"
1390 "\n"
1391 "\n"
1392 "#ifdef MODE_DEFERREDGEOMETRY\n"
1393 "#ifdef VERTEX_SHADER\n"
1394 "uniform mat4 TexMatrix;\n"
1395 "#ifdef USEVERTEXTEXTUREBLEND\n"
1396 "uniform mat4 BackgroundTexMatrix;\n"
1397 "#endif\n"
1398 "uniform mat4 ModelViewMatrix;\n"
1399 "void main(void)\n"
1400 "{\n"
1401 "       TexCoord = vec2(TexMatrix * gl_MultiTexCoord0);\n"
1402 "#ifdef USEVERTEXTEXTUREBLEND\n"
1403 "       gl_FrontColor = gl_Color;\n"
1404 "       TexCoord2 = vec2(BackgroundTexMatrix * gl_MultiTexCoord0);\n"
1405 "#endif\n"
1406 "\n"
1407 "       // transform unnormalized eye direction into tangent space\n"
1408 "#ifdef USEOFFSETMAPPING\n"
1409 "       vec3 EyeVectorModelSpace = EyePosition - gl_Vertex.xyz;\n"
1410 "       EyeVector.x = dot(EyeVectorModelSpace, gl_MultiTexCoord1.xyz);\n"
1411 "       EyeVector.y = dot(EyeVectorModelSpace, gl_MultiTexCoord2.xyz);\n"
1412 "       EyeVector.z = dot(EyeVectorModelSpace, gl_MultiTexCoord3.xyz);\n"
1413 "#endif\n"
1414 "\n"
1415 "       VectorS = (ModelViewMatrix * vec4(gl_MultiTexCoord1.xyz, 0)).xyz;\n"
1416 "       VectorT = (ModelViewMatrix * vec4(gl_MultiTexCoord2.xyz, 0)).xyz;\n"
1417 "       VectorR = (ModelViewMatrix * vec4(gl_MultiTexCoord3.xyz, 0)).xyz;\n"
1418 "       gl_Position = ModelViewProjectionMatrix * gl_Vertex;\n"
1419 "}\n"
1420 "#endif // VERTEX_SHADER\n"
1421 "\n"
1422 "#ifdef FRAGMENT_SHADER\n"
1423 "void main(void)\n"
1424 "{\n"
1425 "#ifdef USEOFFSETMAPPING\n"
1426 "       // apply offsetmapping\n"
1427 "       vec2 TexCoordOffset = OffsetMapping(TexCoord);\n"
1428 "#define TexCoord TexCoordOffset\n"
1429 "#endif\n"
1430 "\n"
1431 "#ifdef USEALPHAKILL\n"
1432 "       if (texture2D(Texture_Color, TexCoord).a < 0.5)\n"
1433 "               discard;\n"
1434 "#endif\n"
1435 "\n"
1436 "#ifdef USEVERTEXTEXTUREBLEND\n"
1437 "       float alpha = texture2D(Texture_Color, TexCoord).a;\n"
1438 "       float terrainblend = clamp(float(gl_Color.a) * alpha * 2.0 - 0.5, float(0.0), float(1.0));\n"
1439 "       //float terrainblend = min(float(gl_Color.a) * alpha * 2.0, float(1.0));\n"
1440 "       //float terrainblend = float(gl_Color.a) * alpha > 0.5;\n"
1441 "#endif\n"
1442 "\n"
1443 "#ifdef USEVERTEXTEXTUREBLEND\n"
1444 "       vec3 surfacenormal = mix(vec3(texture2D(Texture_SecondaryNormal, TexCoord2)), vec3(texture2D(Texture_Normal, TexCoord)), terrainblend) - vec3(0.5, 0.5, 0.5);\n"
1445 "       float a = mix(texture2D(Texture_SecondaryGloss, TexCoord2).a, texture2D(Texture_Gloss, TexCoord).a, terrainblend);\n"
1446 "#else\n"
1447 "       vec3 surfacenormal = vec3(texture2D(Texture_Normal, TexCoord)) - vec3(0.5, 0.5, 0.5);\n"
1448 "       float a = texture2D(Texture_Gloss, TexCoord).a;\n"
1449 "#endif\n"
1450 "\n"
1451 "       gl_FragColor = vec4(normalize(surfacenormal.x * VectorS + surfacenormal.y * VectorT + surfacenormal.z * VectorR) * 0.5 + vec3(0.5, 0.5, 0.5), a);\n"
1452 "}\n"
1453 "#endif // FRAGMENT_SHADER\n"
1454 "#else // !MODE_DEFERREDGEOMETRY\n"
1455 "\n"
1456 "\n"
1457 "\n"
1458 "\n"
1459 "#ifdef MODE_DEFERREDLIGHTSOURCE\n"
1460 "#ifdef VERTEX_SHADER\n"
1461 "uniform mat4 ModelViewMatrix;\n"
1462 "void main(void)\n"
1463 "{\n"
1464 "       ModelViewPosition = ModelViewMatrix * gl_Vertex;\n"
1465 "       gl_Position = ModelViewProjectionMatrix * gl_Vertex;\n"
1466 "}\n"
1467 "#endif // VERTEX_SHADER\n"
1468 "\n"
1469 "#ifdef FRAGMENT_SHADER\n"
1470 "uniform mat4 ViewToLight;\n"
1471 "// ScreenToDepth = vec2(Far / (Far - Near), Far * Near / (Near - Far));\n"
1472 "uniform vec2 ScreenToDepth;\n"
1473 "uniform myhalf3 DeferredColor_Ambient;\n"
1474 "uniform myhalf3 DeferredColor_Diffuse;\n"
1475 "#ifdef USESPECULAR\n"
1476 "uniform myhalf3 DeferredColor_Specular;\n"
1477 "uniform myhalf SpecularPower;\n"
1478 "#endif\n"
1479 "uniform myhalf2 PixelToScreenTexCoord;\n"
1480 "void main(void)\n"
1481 "{\n"
1482 "       // calculate viewspace pixel position\n"
1483 "       vec2 ScreenTexCoord = gl_FragCoord.xy * PixelToScreenTexCoord;\n"
1484 "       vec3 position;\n"
1485 "       position.z = ScreenToDepth.y / (texture2D(Texture_ScreenDepth, ScreenTexCoord).r + ScreenToDepth.x);\n"
1486 "       position.xy = ModelViewPosition.xy * (position.z / ModelViewPosition.z);\n"
1487 "       // decode viewspace pixel normal\n"
1488 "       myhalf4 normalmap = texture2D(Texture_ScreenNormalMap, ScreenTexCoord);\n"
1489 "       myhalf3 surfacenormal = normalize(normalmap.rgb - myhalf3(0.5,0.5,0.5));\n"
1490 "       // surfacenormal = pixel normal in viewspace\n"
1491 "       // LightVector = pixel to light in viewspace\n"
1492 "       // CubeVector = position in lightspace\n"
1493 "       // eyevector = pixel to view in viewspace\n"
1494 "       vec3 CubeVector = vec3(ViewToLight * vec4(position,1));\n"
1495 "       myhalf fade = myhalf(texture2D(Texture_Attenuation, vec2(length(CubeVector), 0.0)));\n"
1496 "#ifdef USEDIFFUSE\n"
1497 "       // calculate diffuse shading\n"
1498 "       myhalf3 lightnormal = myhalf3(normalize(LightPosition - position));\n"
1499 "       myhalf diffuse = myhalf(max(float(dot(surfacenormal, lightnormal)), 0.0));\n"
1500 "#endif\n"
1501 "#ifdef USESPECULAR\n"
1502 "       // calculate directional shading\n"
1503 "       vec3 eyevector = position * -1.0;\n"
1504 "#  ifdef USEEXACTSPECULARMATH\n"
1505 "       myhalf specular = pow(myhalf(max(float(dot(reflect(lightnormal, surfacenormal), normalize(eyevector)))*-1.0, 0.0)), SpecularPower * normalmap.a);\n"
1506 "#  else\n"
1507 "       myhalf3 specularnormal = normalize(lightnormal + myhalf3(normalize(eyevector)));\n"
1508 "       myhalf specular = pow(myhalf(max(float(dot(surfacenormal, specularnormal)), 0.0)), SpecularPower * normalmap.a);\n"
1509 "#  endif\n"
1510 "#endif\n"
1511 "\n"
1512 "#if defined(USESHADOWMAPRECT) || defined(USESHADOWMAPCUBE) || defined(USESHADOWMAP2D)\n"
1513 "       fade *= ShadowMapCompare(CubeVector);\n"
1514 "#endif\n"
1515 "\n"
1516 "#ifdef USEDIFFUSE\n"
1517 "       gl_FragData[0] = vec4((DeferredColor_Ambient + DeferredColor_Diffuse * diffuse) * fade, 1.0);\n"
1518 "#else\n"
1519 "       gl_FragData[0] = vec4(DeferredColor_Ambient * fade, 1.0);\n"
1520 "#endif\n"
1521 "#ifdef USESPECULAR\n"
1522 "       gl_FragData[1] = vec4(DeferredColor_Specular * (specular * fade), 1.0);\n"
1523 "#else\n"
1524 "       gl_FragData[1] = vec4(0.0, 0.0, 0.0, 1.0);\n"
1525 "#endif\n"
1526 "\n"
1527 "# ifdef USECUBEFILTER\n"
1528 "       vec3 cubecolor = textureCube(Texture_Cube, CubeVector).rgb;\n"
1529 "       gl_FragData[0].rgb *= cubecolor;\n"
1530 "       gl_FragData[1].rgb *= cubecolor;\n"
1531 "# endif\n"
1532 "}\n"
1533 "#endif // FRAGMENT_SHADER\n"
1534 "#else // !MODE_DEFERREDLIGHTSOURCE\n"
1535 "\n"
1536 "\n"
1537 "\n"
1538 "\n"
1539 "#ifdef VERTEX_SHADER\n"
1540 "uniform mat4 TexMatrix;\n"
1541 "#ifdef USEVERTEXTEXTUREBLEND\n"
1542 "uniform mat4 BackgroundTexMatrix;\n"
1543 "#endif\n"
1544 "#ifdef MODE_LIGHTSOURCE\n"
1545 "uniform mat4 ModelToLight;\n"
1546 "#endif\n"
1547 "#ifdef USESHADOWMAPORTHO\n"
1548 "uniform mat4 ShadowMapMatrix;\n"
1549 "#endif\n"
1550 "void main(void)\n"
1551 "{\n"
1552 "#if defined(MODE_VERTEXCOLOR) || defined(USEVERTEXTEXTUREBLEND)\n"
1553 "       gl_FrontColor = gl_Color;\n"
1554 "#endif\n"
1555 "       // copy the surface texcoord\n"
1556 "       TexCoord = vec2(TexMatrix * gl_MultiTexCoord0);\n"
1557 "#ifdef USEVERTEXTEXTUREBLEND\n"
1558 "       TexCoord2 = vec2(BackgroundTexMatrix * gl_MultiTexCoord0);\n"
1559 "#endif\n"
1560 "#ifdef USELIGHTMAP\n"
1561 "       TexCoordLightmap = vec2(gl_MultiTexCoord4);\n"
1562 "#endif\n"
1563 "\n"
1564 "#ifdef MODE_LIGHTSOURCE\n"
1565 "       // transform vertex position into light attenuation/cubemap space\n"
1566 "       // (-1 to +1 across the light box)\n"
1567 "       CubeVector = vec3(ModelToLight * gl_Vertex);\n"
1568 "\n"
1569 "# ifdef USEDIFFUSE\n"
1570 "       // transform unnormalized light direction into tangent space\n"
1571 "       // (we use unnormalized to ensure that it interpolates correctly and then\n"
1572 "       //  normalize it per pixel)\n"
1573 "       vec3 lightminusvertex = LightPosition - gl_Vertex.xyz;\n"
1574 "       LightVector.x = dot(lightminusvertex, gl_MultiTexCoord1.xyz);\n"
1575 "       LightVector.y = dot(lightminusvertex, gl_MultiTexCoord2.xyz);\n"
1576 "       LightVector.z = dot(lightminusvertex, gl_MultiTexCoord3.xyz);\n"
1577 "# endif\n"
1578 "#endif\n"
1579 "\n"
1580 "#if defined(MODE_LIGHTDIRECTION) && defined(USEDIFFUSE)\n"
1581 "       LightVector.x = dot(LightDir, gl_MultiTexCoord1.xyz);\n"
1582 "       LightVector.y = dot(LightDir, gl_MultiTexCoord2.xyz);\n"
1583 "       LightVector.z = dot(LightDir, gl_MultiTexCoord3.xyz);\n"
1584 "#endif\n"
1585 "\n"
1586 "       // transform unnormalized eye direction into tangent space\n"
1587 "#ifdef USEEYEVECTOR\n"
1588 "       vec3 EyeVectorModelSpace = EyePosition - gl_Vertex.xyz;\n"
1589 "       EyeVector.x = dot(EyeVectorModelSpace, gl_MultiTexCoord1.xyz);\n"
1590 "       EyeVector.y = dot(EyeVectorModelSpace, gl_MultiTexCoord2.xyz);\n"
1591 "       EyeVector.z = dot(EyeVectorModelSpace, gl_MultiTexCoord3.xyz);\n"
1592 "#endif\n"
1593 "\n"
1594 "#ifdef USEFOG\n"
1595 "       EyeVectorModelSpaceFogPlaneVertexDist.xyz = EyePosition - gl_Vertex.xyz;\n"
1596 "       EyeVectorModelSpaceFogPlaneVertexDist.w = dot(FogPlane, gl_Vertex);\n"
1597 "#endif\n"
1598 "\n"
1599 "#if defined(MODE_LIGHTDIRECTIONMAP_MODELSPACE) || defined(USEREFLECTCUBE)\n"
1600 "       VectorS = gl_MultiTexCoord1.xyz;\n"
1601 "       VectorT = gl_MultiTexCoord2.xyz;\n"
1602 "       VectorR = gl_MultiTexCoord3.xyz;\n"
1603 "#endif\n"
1604 "\n"
1605 "       // transform vertex to camera space, using ftransform to match non-VS rendering\n"
1606 "       gl_Position = ModelViewProjectionMatrix * gl_Vertex;\n"
1607 "\n"
1608 "#ifdef USESHADOWMAPORTHO\n"
1609 "       ShadowMapTC = vec3(ShadowMapMatrix * gl_Position);\n"
1610 "#endif\n"
1611 "\n"
1612 "#ifdef USEREFLECTION\n"
1613 "       ModelViewProjectionPosition = gl_Position;\n"
1614 "#endif\n"
1615 "}\n"
1616 "#endif // VERTEX_SHADER\n"
1617 "\n"
1618 "\n"
1619 "\n"
1620 "\n"
1621 "#ifdef FRAGMENT_SHADER\n"
1622 "#ifdef USEDEFERREDLIGHTMAP\n"
1623 "uniform myhalf2 PixelToScreenTexCoord;\n"
1624 "uniform myhalf3 DeferredMod_Diffuse;\n"
1625 "uniform myhalf3 DeferredMod_Specular;\n"
1626 "#endif\n"
1627 "uniform myhalf3 Color_Ambient;\n"
1628 "uniform myhalf3 Color_Diffuse;\n"
1629 "uniform myhalf3 Color_Specular;\n"
1630 "uniform myhalf SpecularPower;\n"
1631 "#ifdef USEGLOW\n"
1632 "uniform myhalf3 Color_Glow;\n"
1633 "#endif\n"
1634 "uniform myhalf Alpha;\n"
1635 "#ifdef USEREFLECTION\n"
1636 "uniform vec4 DistortScaleRefractReflect;\n"
1637 "uniform vec4 ScreenScaleRefractReflect;\n"
1638 "uniform vec4 ScreenCenterRefractReflect;\n"
1639 "uniform myhalf4 ReflectColor;\n"
1640 "#endif\n"
1641 "#ifdef USEREFLECTCUBE\n"
1642 "uniform mat4 ModelToReflectCube;\n"
1643 "uniform sampler2D Texture_ReflectMask;\n"
1644 "uniform samplerCube Texture_ReflectCube;\n"
1645 "#endif\n"
1646 "#ifdef MODE_LIGHTDIRECTION\n"
1647 "uniform myhalf3 LightColor;\n"
1648 "#endif\n"
1649 "#ifdef MODE_LIGHTSOURCE\n"
1650 "uniform myhalf3 LightColor;\n"
1651 "#endif\n"
1652 "void main(void)\n"
1653 "{\n"
1654 "#ifdef USEOFFSETMAPPING\n"
1655 "       // apply offsetmapping\n"
1656 "       vec2 TexCoordOffset = OffsetMapping(TexCoord);\n"
1657 "#define TexCoord TexCoordOffset\n"
1658 "#endif\n"
1659 "\n"
1660 "       // combine the diffuse textures (base, pants, shirt)\n"
1661 "       myhalf4 color = myhalf4(texture2D(Texture_Color, TexCoord));\n"
1662 "#ifdef USEALPHAKILL\n"
1663 "       if (color.a < 0.5)\n"
1664 "               discard;\n"
1665 "#endif\n"
1666 "       color.a *= Alpha;\n"
1667 "#ifdef USECOLORMAPPING\n"
1668 "       color.rgb += myhalf3(texture2D(Texture_Pants, TexCoord)) * Color_Pants + myhalf3(texture2D(Texture_Shirt, TexCoord)) * Color_Shirt;\n"
1669 "#endif\n"
1670 "#ifdef USEVERTEXTEXTUREBLEND\n"
1671 "       myhalf terrainblend = clamp(myhalf(gl_Color.a) * color.a * 2.0 - 0.5, myhalf(0.0), myhalf(1.0));\n"
1672 "       //myhalf terrainblend = min(myhalf(gl_Color.a) * color.a * 2.0, myhalf(1.0));\n"
1673 "       //myhalf terrainblend = myhalf(gl_Color.a) * color.a > 0.5;\n"
1674 "       color.rgb = mix(myhalf3(texture2D(Texture_SecondaryColor, TexCoord2)), color.rgb, terrainblend);\n"
1675 "       color.a = 1.0;\n"
1676 "       //color = mix(myhalf4(1, 0, 0, 1), color, terrainblend);\n"
1677 "#endif\n"
1678 "\n"
1679 "       // get the surface normal\n"
1680 "#ifdef USEVERTEXTEXTUREBLEND\n"
1681 "       myhalf3 surfacenormal = normalize(mix(myhalf3(texture2D(Texture_SecondaryNormal, TexCoord2)), myhalf3(texture2D(Texture_Normal, TexCoord)), terrainblend) - myhalf3(0.5, 0.5, 0.5));\n"
1682 "#else\n"
1683 "       myhalf3 surfacenormal = normalize(myhalf3(texture2D(Texture_Normal, TexCoord)) - myhalf3(0.5, 0.5, 0.5));\n"
1684 "#endif\n"
1685 "\n"
1686 "       // get the material colors\n"
1687 "       myhalf3 diffusetex = color.rgb;\n"
1688 "#if defined(USESPECULAR) || defined(USEDEFERREDLIGHTMAP)\n"
1689 "# ifdef USEVERTEXTEXTUREBLEND\n"
1690 "       myhalf4 glosstex = mix(myhalf4(texture2D(Texture_SecondaryGloss, TexCoord2)), myhalf4(texture2D(Texture_Gloss, TexCoord)), terrainblend);\n"
1691 "# else\n"
1692 "       myhalf4 glosstex = myhalf4(texture2D(Texture_Gloss, TexCoord));\n"
1693 "# endif\n"
1694 "#endif\n"
1695 "\n"
1696 "#ifdef USEREFLECTCUBE\n"
1697 "       vec3 TangentReflectVector = reflect(-EyeVector, surfacenormal);\n"
1698 "       vec3 ModelReflectVector = TangentReflectVector.x * VectorS + TangentReflectVector.y * VectorT + TangentReflectVector.z * VectorR;\n"
1699 "       vec3 ReflectCubeTexCoord = vec3(ModelToReflectCube * vec4(ModelReflectVector, 0));\n"
1700 "       diffusetex += myhalf3(texture2D(Texture_ReflectMask, TexCoord)) * myhalf3(textureCube(Texture_ReflectCube, ReflectCubeTexCoord));\n"
1701 "#endif\n"
1702 "\n"
1703 "\n"
1704 "\n"
1705 "\n"
1706 "#ifdef MODE_LIGHTSOURCE\n"
1707 "       // light source\n"
1708 "#ifdef USEDIFFUSE\n"
1709 "       myhalf3 lightnormal = myhalf3(normalize(LightVector));\n"
1710 "       myhalf diffuse = myhalf(max(float(dot(surfacenormal, lightnormal)), 0.0));\n"
1711 "       color.rgb = diffusetex * (Color_Ambient + diffuse * Color_Diffuse);\n"
1712 "#ifdef USESPECULAR\n"
1713 "#ifdef USEEXACTSPECULARMATH\n"
1714 "       myhalf specular = pow(myhalf(max(float(dot(reflect(lightnormal, surfacenormal), normalize(EyeVector)))*-1.0, 0.0)), SpecularPower * glosstex.a);\n"
1715 "#else\n"
1716 "       myhalf3 specularnormal = normalize(lightnormal + myhalf3(normalize(EyeVector)));\n"
1717 "       myhalf specular = pow(myhalf(max(float(dot(surfacenormal, specularnormal)), 0.0)), SpecularPower * glosstex.a);\n"
1718 "#endif\n"
1719 "       color.rgb += glosstex.rgb * (specular * Color_Specular);\n"
1720 "#endif\n"
1721 "#else\n"
1722 "       color.rgb = diffusetex * Color_Ambient;\n"
1723 "#endif\n"
1724 "       color.rgb *= LightColor;\n"
1725 "       color.rgb *= myhalf(texture2D(Texture_Attenuation, vec2(length(CubeVector), 0.0)));\n"
1726 "#if defined(USESHADOWMAPRECT) || defined(USESHADOWMAPCUBE) || defined(USESHADOWMAP2D)\n"
1727 "       color.rgb *= ShadowMapCompare(CubeVector);\n"
1728 "#endif\n"
1729 "# ifdef USECUBEFILTER\n"
1730 "       color.rgb *= myhalf3(textureCube(Texture_Cube, CubeVector));\n"
1731 "# endif\n"
1732 "#endif // MODE_LIGHTSOURCE\n"
1733 "\n"
1734 "\n"
1735 "\n"
1736 "\n"
1737 "#ifdef MODE_LIGHTDIRECTION\n"
1738 "#define SHADING\n"
1739 "#ifdef USEDIFFUSE\n"
1740 "       myhalf3 lightnormal = myhalf3(normalize(LightVector));\n"
1741 "#endif\n"
1742 "#define lightcolor LightColor\n"
1743 "#endif // MODE_LIGHTDIRECTION\n"
1744 "#ifdef MODE_LIGHTDIRECTIONMAP_MODELSPACE\n"
1745 "#define SHADING\n"
1746 "       // deluxemap lightmapping using light vectors in modelspace (q3map2 -light -deluxe)\n"
1747 "       myhalf3 lightnormal_modelspace = myhalf3(texture2D(Texture_Deluxemap, TexCoordLightmap)) * 2.0 + myhalf3(-1.0, -1.0, -1.0);\n"
1748 "       myhalf3 lightcolor = myhalf3(texture2D(Texture_Lightmap, TexCoordLightmap));\n"
1749 "       // convert modelspace light vector to tangentspace\n"
1750 "       myhalf3 lightnormal;\n"
1751 "       lightnormal.x = dot(lightnormal_modelspace, myhalf3(VectorS));\n"
1752 "       lightnormal.y = dot(lightnormal_modelspace, myhalf3(VectorT));\n"
1753 "       lightnormal.z = dot(lightnormal_modelspace, myhalf3(VectorR));\n"
1754 "       // calculate directional shading (and undoing the existing angle attenuation on the lightmap by the division)\n"
1755 "       // note that q3map2 is too stupid to calculate proper surface normals when q3map_nonplanar\n"
1756 "       // is used (the lightmap and deluxemap coords correspond to virtually random coordinates\n"
1757 "       // on that luxel, and NOT to its center, because recursive triangle subdivision is used\n"
1758 "       // to map the luxels to coordinates on the draw surfaces), which also causes\n"
1759 "       // deluxemaps to be wrong because light contributions from the wrong side of the surface\n"
1760 "       // are added up. To prevent divisions by zero or strong exaggerations, a max()\n"
1761 "       // nudge is done here at expense of some additional fps. This is ONLY needed for\n"
1762 "       // deluxemaps, tangentspace deluxemap avoid this problem by design.\n"
1763 "       lightcolor *= 1.0 / max(0.25, lightnormal.z);\n"
1764 "#endif // MODE_LIGHTDIRECTIONMAP_MODELSPACE\n"
1765 "#ifdef MODE_LIGHTDIRECTIONMAP_TANGENTSPACE\n"
1766 "#define SHADING\n"
1767 "       // deluxemap lightmapping using light vectors in tangentspace (hmap2 -light)\n"
1768 "       myhalf3 lightnormal = myhalf3(texture2D(Texture_Deluxemap, TexCoordLightmap)) * 2.0 + myhalf3(-1.0, -1.0, -1.0);\n"
1769 "       myhalf3 lightcolor = myhalf3(texture2D(Texture_Lightmap, TexCoordLightmap));\n"
1770 "#endif\n"
1771 "\n"
1772 "\n"
1773 "\n"
1774 "\n"
1775 "#ifdef MODE_FAKELIGHT\n"
1776 "#define SHADING\n"
1777 "myhalf3 lightnormal = myhalf3(normalize(EyeVector));\n"
1778 "myhalf3 lightcolor = myhalf3(1.0);\n"
1779 "#endif // MODE_FAKELIGHT\n"
1780 "\n"
1781 "\n"
1782 "\n"
1783 "\n"
1784 "#ifdef MODE_LIGHTMAP\n"
1785 "       color.rgb = diffusetex * (Color_Ambient + myhalf3(texture2D(Texture_Lightmap, TexCoordLightmap)) * Color_Diffuse);\n"
1786 "#endif // MODE_LIGHTMAP\n"
1787 "#ifdef MODE_VERTEXCOLOR\n"
1788 "       color.rgb = diffusetex * (Color_Ambient + myhalf3(gl_Color.rgb) * Color_Diffuse);\n"
1789 "#endif // MODE_VERTEXCOLOR\n"
1790 "#ifdef MODE_FLATCOLOR\n"
1791 "       color.rgb = diffusetex * Color_Ambient;\n"
1792 "#endif // MODE_FLATCOLOR\n"
1793 "\n"
1794 "\n"
1795 "\n"
1796 "\n"
1797 "#ifdef SHADING\n"
1798 "# ifdef USEDIFFUSE\n"
1799 "       myhalf diffuse = myhalf(max(float(dot(surfacenormal, lightnormal)), 0.0));\n"
1800 "#  ifdef USESPECULAR\n"
1801 "#   ifdef USEEXACTSPECULARMATH\n"
1802 "       myhalf specular = pow(myhalf(max(float(dot(reflect(lightnormal, surfacenormal), normalize(EyeVector)))*-1.0, 0.0)), SpecularPower * glosstex.a);\n"
1803 "#   else\n"
1804 "       myhalf3 specularnormal = normalize(lightnormal + myhalf3(normalize(EyeVector)));\n"
1805 "       myhalf specular = pow(myhalf(max(float(dot(surfacenormal, specularnormal)), 0.0)), SpecularPower * glosstex.a);\n"
1806 "#   endif\n"
1807 "       color.rgb = diffusetex * Color_Ambient + (diffusetex * Color_Diffuse * diffuse + glosstex.rgb * Color_Specular * specular) * lightcolor;\n"
1808 "#  else\n"
1809 "       color.rgb = diffusetex * (Color_Ambient + Color_Diffuse * diffuse * lightcolor);\n"
1810 "#  endif\n"
1811 "# else\n"
1812 "       color.rgb = diffusetex * Color_Ambient;\n"
1813 "# endif\n"
1814 "#endif\n"
1815 "\n"
1816 "#ifdef USESHADOWMAPORTHO\n"
1817 "       color.rgb *= ShadowMapCompare(ShadowMapTC);\n"
1818 "#endif\n"
1819 "\n"
1820 "#ifdef USEDEFERREDLIGHTMAP\n"
1821 "       vec2 ScreenTexCoord = gl_FragCoord.xy * PixelToScreenTexCoord;\n"
1822 "       color.rgb += diffusetex * myhalf3(texture2D(Texture_ScreenDiffuse, ScreenTexCoord)) * DeferredMod_Diffuse;\n"
1823 "       color.rgb += glosstex.rgb * myhalf3(texture2D(Texture_ScreenSpecular, ScreenTexCoord)) * DeferredMod_Specular;\n"
1824 "#endif\n"
1825 "\n"
1826 "#ifdef USEGLOW\n"
1827 "#ifdef USEVERTEXTEXTUREBLEND\n"
1828 "       color.rgb += mix(myhalf3(texture2D(Texture_SecondaryGlow, TexCoord2)), myhalf3(texture2D(Texture_Glow, TexCoord)), terrainblend) * Color_Glow;\n"
1829 "#else\n"
1830 "       color.rgb += myhalf3(texture2D(Texture_Glow, TexCoord)) * Color_Glow;\n"
1831 "#endif\n"
1832 "#endif\n"
1833 "\n"
1834 "#ifdef USEFOG\n"
1835 "       color.rgb = FogVertex(color.rgb);\n"
1836 "#endif\n"
1837 "\n"
1838 "       // reflection must come last because it already contains exactly the correct fog (the reflection render preserves camera distance from the plane, it only flips the side) and ContrastBoost/SceneBrightness\n"
1839 "#ifdef USEREFLECTION\n"
1840 "       vec4 ScreenScaleRefractReflectIW = ScreenScaleRefractReflect * (1.0 / ModelViewProjectionPosition.w);\n"
1841 "       //vec4 ScreenTexCoord = (ModelViewProjectionPosition.xyxy + normalize(myhalf3(texture2D(Texture_Normal, TexCoord)) - myhalf3(0.5)).xyxy * DistortScaleRefractReflect * 100) * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect;\n"
1842 "       vec2 SafeScreenTexCoord = ModelViewProjectionPosition.xy * ScreenScaleRefractReflectIW.zw + ScreenCenterRefractReflect.zw;\n"
1843 "       vec2 ScreenTexCoord = SafeScreenTexCoord + vec3(normalize(myhalf3(texture2D(Texture_Normal, TexCoord)) - myhalf3(0.5))).xy * DistortScaleRefractReflect.zw;\n"
1844 "       // FIXME temporary hack to detect the case that the reflection\n"
1845 "       // gets blackened at edges due to leaving the area that contains actual\n"
1846 "       // content.\n"
1847 "       // Remove this 'ack once we have a better way to stop this thing from\n"
1848 "       // 'appening.\n"
1849 "       float f = min(1.0, length(texture2D(Texture_Reflection, ScreenTexCoord + vec2(0.01, 0.01)).rgb) / 0.05);\n"
1850 "       f      *= min(1.0, length(texture2D(Texture_Reflection, ScreenTexCoord + vec2(0.01, -0.01)).rgb) / 0.05);\n"
1851 "       f      *= min(1.0, length(texture2D(Texture_Reflection, ScreenTexCoord + vec2(-0.01, 0.01)).rgb) / 0.05);\n"
1852 "       f      *= min(1.0, length(texture2D(Texture_Reflection, ScreenTexCoord + vec2(-0.01, -0.01)).rgb) / 0.05);\n"
1853 "       ScreenTexCoord = mix(SafeScreenTexCoord, ScreenTexCoord, f);\n"
1854 "       color.rgb = mix(color.rgb, myhalf3(texture2D(Texture_Reflection, ScreenTexCoord)) * ReflectColor.rgb, ReflectColor.a);\n"
1855 "#endif\n"
1856 "\n"
1857 "       gl_FragColor = vec4(color);\n"
1858 "}\n"
1859 "#endif // FRAGMENT_SHADER\n"
1860 "\n"
1861 "#endif // !MODE_DEFERREDLIGHTSOURCE\n"
1862 "#endif // !MODE_DEFERREDGEOMETRY\n"
1863 "#endif // !MODE_WATER\n"
1864 "#endif // !MODE_REFRACTION\n"
1865 "#endif // !MODE_BLOOMBLUR\n"
1866 "#endif // !MODE_GENERIC\n"
1867 "#endif // !MODE_POSTPROCESS\n"
1868 "#endif // !MODE_SHOWDEPTH\n"
1869 "#endif // !MODE_DEPTH_OR_SHADOW\n"
1870 ;
1871
1872 /*
1873 =========================================================================================================================================================
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1875
1876
1877 =========================================================================================================================================================
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1879
1880
1881 =========================================================================================================================================================
1882
1883
1884
1885 =========================================================================================================================================================
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1887
1888
1889 =========================================================================================================================================================
1890
1891
1892
1893 =========================================================================================================================================================
1894
1895
1896
1897 =========================================================================================================================================================
1898 */
1899
1900 const char *builtincgshaderstring =
1901 "// ambient+diffuse+specular+normalmap+attenuation+cubemap+fog shader\n"
1902 "// written by Forest 'LordHavoc' Hale\n"
1903 "// shadowmapping enhancements by Lee 'eihrul' Salzman\n"
1904 "\n"
1905 "// FIXME: we need to get rid of ModelViewProjectionPosition to make room for the texcoord for this\n"
1906 "#if defined(USEREFLECTION)\n"
1907 "#undef USESHADOWMAPORTHO\n"
1908 "#endif\n"
1909 "\n"
1910 "#if defined(USEFOGINSIDE) || defined(USEFOGOUTSIDE) || defined(USEFOGHEIGHTTEXTURE)\n"
1911 "# define USEFOG\n"
1912 "#endif\n"
1913 "#if defined(MODE_LIGHTMAP) || defined(MODE_LIGHTDIRECTIONMAP_MODELSPACE) || defined(MODE_LIGHTDIRECTIONMAP_TANGENTSPACE)\n"
1914 "#define USELIGHTMAP\n"
1915 "#endif\n"
1916 "#if defined(USESPECULAR) || defined(USEOFFSETMAPPING) || defined(USEREFLECTCUBE) || defined(MODE_FAKELIGHT)\n"
1917 "#define USEEYEVECTOR\n"
1918 "#endif\n"
1919 "\n"
1920 "#ifdef FRAGMENT_SHADER\n"
1921 "#define texDepth2D(tex,texcoord) tex2D(tex,texcoord).r\n"
1922 "#endif\n"
1923 "\n"
1924 "#ifdef MODE_DEPTH_OR_SHADOW\n"
1925 "#ifdef VERTEX_SHADER\n"
1926 "void main\n"
1927 "(\n"
1928 "float4 gl_Vertex : POSITION,\n"
1929 "uniform float4x4 ModelViewProjectionMatrix,\n"
1930 "out float4 gl_Position : POSITION\n"
1931 ")\n"
1932 "{\n"
1933 "       gl_Position = mul(ModelViewProjectionMatrix, gl_Vertex);\n"
1934 "}\n"
1935 "#endif\n"
1936 "#else // !MODE_DEPTH_ORSHADOW\n"
1937 "\n"
1938 "\n"
1939 "\n"
1940 "\n"
1941 "#ifdef MODE_SHOWDEPTH\n"
1942 "#ifdef VERTEX_SHADER\n"
1943 "void main\n"
1944 "(\n"
1945 "float4 gl_Vertex : POSITION,\n"
1946 "uniform float4x4 ModelViewProjectionMatrix,\n"
1947 "out float4 gl_Position : POSITION,\n"
1948 "out float4 gl_FrontColor : COLOR0\n"
1949 ")\n"
1950 "{\n"
1951 "       gl_Position = mul(ModelViewProjectionMatrix, gl_Vertex);\n"
1952 "       gl_FrontColor = float4(gl_Position.z, gl_Position.z, gl_Position.z, 1.0);\n"
1953 "}\n"
1954 "#endif\n"
1955 "\n"
1956 "#ifdef FRAGMENT_SHADER\n"
1957 "void main\n"
1958 "(\n"
1959 "float4 gl_FrontColor : COLOR0,\n"
1960 "out float4 gl_FragColor : COLOR\n"
1961 ")\n"
1962 "{\n"
1963 "       gl_FragColor = gl_FrontColor;\n"
1964 "}\n"
1965 "#endif\n"
1966 "#else // !MODE_SHOWDEPTH\n"
1967 "\n"
1968 "\n"
1969 "\n"
1970 "\n"
1971 "#ifdef MODE_POSTPROCESS\n"
1972 "\n"
1973 "#ifdef VERTEX_SHADER\n"
1974 "void main\n"
1975 "(\n"
1976 "float4 gl_Vertex : POSITION,\n"
1977 "uniform float4x4 ModelViewProjectionMatrix,\n"
1978 "float4 gl_MultiTexCoord0 : TEXCOORD0,\n"
1979 "float4 gl_MultiTexCoord1 : TEXCOORD1,\n"
1980 "out float4 gl_Position : POSITION,\n"
1981 "out float2 TexCoord1 : TEXCOORD0,\n"
1982 "out float2 TexCoord2 : TEXCOORD1\n"
1983 ")\n"
1984 "{\n"
1985 "       gl_Position = mul(ModelViewProjectionMatrix, gl_Vertex);\n"
1986 "       TexCoord1 = gl_MultiTexCoord0.xy;\n"
1987 "#ifdef USEBLOOM\n"
1988 "       TexCoord2 = gl_MultiTexCoord1.xy;\n"
1989 "#endif\n"
1990 "}\n"
1991 "#endif\n"
1992 "\n"
1993 "#ifdef FRAGMENT_SHADER\n"
1994 "void main\n"
1995 "(\n"
1996 "float2 TexCoord1 : TEXCOORD0,\n"
1997 "float2 TexCoord2 : TEXCOORD1,\n"
1998 "uniform sampler2D Texture_First,\n"
1999 "#ifdef USEBLOOM\n"
2000 "uniform sampler2D Texture_Second,\n"
2001 "#endif\n"
2002 "#ifdef USEGAMMARAMPS\n"
2003 "uniform sampler2D Texture_GammaRamps,\n"
2004 "#endif\n"
2005 "#ifdef USESATURATION\n"
2006 "uniform float Saturation,\n"
2007 "#endif\n"
2008 "#ifdef USEVIEWTINT\n"
2009 "uniform float4 ViewTintColor,\n"
2010 "#endif\n"
2011 "uniform float4 UserVec1,\n"
2012 "uniform float4 UserVec2,\n"
2013 "uniform float4 UserVec3,\n"
2014 "uniform float4 UserVec4,\n"
2015 "uniform float ClientTime,\n"
2016 "uniform float2 PixelSize,\n"
2017 "out float4 gl_FragColor : COLOR\n"
2018 ")\n"
2019 "{\n"
2020 "       gl_FragColor = tex2D(Texture_First, TexCoord1);\n"
2021 "#ifdef USEBLOOM\n"
2022 "       gl_FragColor += tex2D(Texture_Second, TexCoord2);\n"
2023 "#endif\n"
2024 "#ifdef USEVIEWTINT\n"
2025 "       gl_FragColor = lerp(gl_FragColor, ViewTintColor, ViewTintColor.a);\n"
2026 "#endif\n"
2027 "\n"
2028 "#ifdef USEPOSTPROCESSING\n"
2029 "// do r_glsl_dumpshader, edit glsl/default.glsl, and replace this by your own postprocessing if you want\n"
2030 "// this code does a blur with the radius specified in the first component of r_glsl_postprocess_uservec1 and blends it using the second component\n"
2031 "       gl_FragColor += tex2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*float2(-0.987688, -0.156434)) * UserVec1.y;\n"
2032 "       gl_FragColor += tex2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*float2(-0.156434, -0.891007)) * UserVec1.y;\n"
2033 "       gl_FragColor += tex2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*float2( 0.891007, -0.453990)) * UserVec1.y;\n"
2034 "       gl_FragColor += tex2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*float2( 0.707107,  0.707107)) * UserVec1.y;\n"
2035 "       gl_FragColor += tex2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*float2(-0.453990,  0.891007)) * UserVec1.y;\n"
2036 "       gl_FragColor /= (1 + 5 * UserVec1.y);\n"
2037 "#endif\n"
2038 "\n"
2039 "#ifdef USESATURATION\n"
2040 "       //apply saturation BEFORE gamma ramps, so v_glslgamma value does not matter\n"
2041 "       float y = dot(gl_FragColor.rgb, float3(0.299, 0.587, 0.114));\n"
2042 "       // 'vampire sight' effect, wheres red is compensated\n"
2043 "       #ifdef SATURATION_REDCOMPENSATE\n"
2044 "               float rboost = max(0.0, (gl_FragColor.r - max(gl_FragColor.g, gl_FragColor.b))*(1.0 - Saturation));\n"
2045 "               gl_FragColor.rgb = mix(float3(y,y,y), gl_FragColor.rgb, Saturation);\n"
2046 "               gl_FragColor.r += r;\n"
2047 "       #else\n"
2048 "               // normal desaturation\n"
2049 "               //gl_FragColor = float3(y,y,y) + (gl_FragColor.rgb - float3(y)) * Saturation;\n"
2050 "               gl_FragColor.rgb = lerp(float3(y,y,y), gl_FragColor.rgb, Saturation);\n"
2051 "       #endif\n"
2052 "#endif\n"
2053 "\n"
2054 "#ifdef USEGAMMARAMPS\n"
2055 "       gl_FragColor.r = tex2D(Texture_GammaRamps, float2(gl_FragColor.r, 0)).r;\n"
2056 "       gl_FragColor.g = tex2D(Texture_GammaRamps, float2(gl_FragColor.g, 0)).g;\n"
2057 "       gl_FragColor.b = tex2D(Texture_GammaRamps, float2(gl_FragColor.b, 0)).b;\n"
2058 "#endif\n"
2059 "}\n"
2060 "#endif\n"
2061 "#else // !MODE_POSTPROCESS\n"
2062 "\n"
2063 "\n"
2064 "\n"
2065 "\n"
2066 "#ifdef MODE_GENERIC\n"
2067 "#ifdef VERTEX_SHADER\n"
2068 "void main\n"
2069 "(\n"
2070 "float4 gl_Vertex : POSITION,\n"
2071 "uniform float4x4 ModelViewProjectionMatrix,\n"
2072 "float4 gl_Color : COLOR0,\n"
2073 "float4 gl_MultiTexCoord0 : TEXCOORD0,\n"
2074 "float4 gl_MultiTexCoord1 : TEXCOORD1,\n"
2075 "out float4 gl_Position : POSITION,\n"
2076 "out float4 gl_FrontColor : COLOR,\n"
2077 "out float2 TexCoord1 : TEXCOORD0,\n"
2078 "out float2 TexCoord2 : TEXCOORD1\n"
2079 ")\n"
2080 "{\n"
2081 "       gl_FrontColor = gl_Color;\n"
2082 "#ifdef USEDIFFUSE\n"
2083 "       TexCoord1 = gl_MultiTexCoord0.xy;\n"
2084 "#endif\n"
2085 "#ifdef USESPECULAR\n"
2086 "       TexCoord2 = gl_MultiTexCoord1.xy;\n"
2087 "#endif\n"
2088 "       gl_Position = mul(ModelViewProjectionMatrix, gl_Vertex);\n"
2089 "}\n"
2090 "#endif\n"
2091 "\n"
2092 "#ifdef FRAGMENT_SHADER\n"
2093 "\n"
2094 "void main\n"
2095 "(\n"
2096 "float4 gl_FrontColor : COLOR,\n"
2097 "float2 TexCoord1 : TEXCOORD0,\n"
2098 "float2 TexCoord2 : TEXCOORD1,\n"
2099 "#ifdef USEDIFFUSE\n"
2100 "uniform sampler2D Texture_First,\n"
2101 "#endif\n"
2102 "#ifdef USESPECULAR\n"
2103 "uniform sampler2D Texture_Second,\n"
2104 "#endif\n"
2105 "out float4 gl_FragColor : COLOR\n"
2106 ")\n"
2107 "{\n"
2108 "       gl_FragColor = gl_FrontColor;\n"
2109 "#ifdef USEDIFFUSE\n"
2110 "       gl_FragColor *= tex2D(Texture_First, TexCoord1);\n"
2111 "#endif\n"
2112 "\n"
2113 "#ifdef USESPECULAR\n"
2114 "       float4 tex2 = tex2D(Texture_Second, TexCoord2);\n"
2115 "# ifdef USECOLORMAPPING\n"
2116 "       gl_FragColor *= tex2;\n"
2117 "# endif\n"
2118 "# ifdef USEGLOW\n"
2119 "       gl_FragColor += tex2;\n"
2120 "# endif\n"
2121 "# ifdef USEVERTEXTEXTUREBLEND\n"
2122 "       gl_FragColor = lerp(gl_FragColor, tex2, tex2.a);\n"
2123 "# endif\n"
2124 "#endif\n"
2125 "}\n"
2126 "#endif\n"
2127 "#else // !MODE_GENERIC\n"
2128 "\n"
2129 "\n"
2130 "\n"
2131 "\n"
2132 "#ifdef MODE_BLOOMBLUR\n"
2133 "#ifdef VERTEX_SHADER\n"
2134 "void main\n"
2135 "(\n"
2136 "float4 gl_Vertex : POSITION,\n"
2137 "uniform float4x4 ModelViewProjectionMatrix,\n"
2138 "float4 gl_MultiTexCoord0 : TEXCOORD0,\n"
2139 "out float4 gl_Position : POSITION,\n"
2140 "out float2 TexCoord : TEXCOORD0\n"
2141 ")\n"
2142 "{\n"
2143 "       TexCoord = gl_MultiTexCoord0.xy;\n"
2144 "       gl_Position = mul(ModelViewProjectionMatrix, gl_Vertex);\n"
2145 "}\n"
2146 "#endif\n"
2147 "\n"
2148 "#ifdef FRAGMENT_SHADER\n"
2149 "\n"
2150 "void main\n"
2151 "(\n"
2152 "float2 TexCoord : TEXCOORD0,\n"
2153 "uniform sampler2D Texture_First,\n"
2154 "uniform float4 BloomBlur_Parameters,\n"
2155 "out float4 gl_FragColor : COLOR\n"
2156 ")\n"
2157 "{\n"
2158 "       int i;\n"
2159 "       float2 tc = TexCoord;\n"
2160 "       float3 color = tex2D(Texture_First, tc).rgb;\n"
2161 "       tc += BloomBlur_Parameters.xy;\n"
2162 "       for (i = 1;i < SAMPLES;i++)\n"
2163 "       {\n"
2164 "               color += tex2D(Texture_First, tc).rgb;\n"
2165 "               tc += BloomBlur_Parameters.xy;\n"
2166 "       }\n"
2167 "       gl_FragColor = float4(color * BloomBlur_Parameters.z + float3(BloomBlur_Parameters.w), 1);\n"
2168 "}\n"
2169 "#endif\n"
2170 "#else // !MODE_BLOOMBLUR\n"
2171 "#ifdef MODE_REFRACTION\n"
2172 "#ifdef VERTEX_SHADER\n"
2173 "void main\n"
2174 "(\n"
2175 "float4 gl_Vertex : POSITION,\n"
2176 "uniform float4x4 ModelViewProjectionMatrix,\n"
2177 "float4 gl_MultiTexCoord0 : TEXCOORD0,\n"
2178 "uniform float4x4 TexMatrix,\n"
2179 "uniform float3 EyePosition,\n"
2180 "out float4 gl_Position : POSITION,\n"
2181 "out float2 TexCoord : TEXCOORD0,\n"
2182 "out float3 EyeVector : TEXCOORD1,\n"
2183 "out float4 ModelViewProjectionPosition : TEXCOORD2\n"
2184 ")\n"
2185 "{\n"
2186 "       TexCoord = float2(mul(TexMatrix, gl_MultiTexCoord0));\n"
2187 "       gl_Position = mul(ModelViewProjectionMatrix, gl_Vertex);\n"
2188 "       ModelViewProjectionPosition = gl_Position;\n"
2189 "}\n"
2190 "#endif\n"
2191 "\n"
2192 "#ifdef FRAGMENT_SHADER\n"
2193 "void main\n"
2194 "(\n"
2195 "float2 TexCoord : TEXCOORD0,\n"
2196 "float3 EyeVector : TEXCOORD1,\n"
2197 "float4 ModelViewProjectionPosition : TEXCOORD2,\n"
2198 "uniform sampler2D Texture_Normal,\n"
2199 "uniform sampler2D Texture_Refraction,\n"
2200 "uniform sampler2D Texture_Reflection,\n"
2201 "uniform float4 DistortScaleRefractReflect,\n"
2202 "uniform float4 ScreenScaleRefractReflect,\n"
2203 "uniform float4 ScreenCenterRefractReflect,\n"
2204 "uniform float4 RefractColor,\n"
2205 "out float4 gl_FragColor : COLOR\n"
2206 ")\n"
2207 "{\n"
2208 "       float2 ScreenScaleRefractReflectIW = ScreenScaleRefractReflect.xy * (1.0 / ModelViewProjectionPosition.w);\n"
2209 "       //float2 ScreenTexCoord = (ModelViewProjectionPosition.xy + normalize(float3(tex2D(Texture_Normal, TexCoord)) - float3(0.5)).xy * DistortScaleRefractReflect.xy * 100) * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect.xy;\n"
2210 "       float2 SafeScreenTexCoord = ModelViewProjectionPosition.xy * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect.xy;\n"
2211 "       float2 ScreenTexCoord = SafeScreenTexCoord + float2(normalize(float3(tex2D(Texture_Normal, TexCoord)) - float3(0.5))).xy * DistortScaleRefractReflect.xy;\n"
2212 "       // FIXME temporary hack to detect the case that the reflection\n"
2213 "       // gets blackened at edges due to leaving the area that contains actual\n"
2214 "       // content.\n"
2215 "       // Remove this 'ack once we have a better way to stop this thing from\n"
2216 "       // 'appening.\n"
2217 "       float f = min(1.0, length(tex2D(Texture_Refraction, ScreenTexCoord + float2(0.01, 0.01)).rgb) / 0.05);\n"
2218 "       f      *= min(1.0, length(tex2D(Texture_Refraction, ScreenTexCoord + float2(0.01, -0.01)).rgb) / 0.05);\n"
2219 "       f      *= min(1.0, length(tex2D(Texture_Refraction, ScreenTexCoord + float2(-0.01, 0.01)).rgb) / 0.05);\n"
2220 "       f      *= min(1.0, length(tex2D(Texture_Refraction, ScreenTexCoord + float2(-0.01, -0.01)).rgb) / 0.05);\n"
2221 "       ScreenTexCoord = lerp(SafeScreenTexCoord, ScreenTexCoord, f);\n"
2222 "       gl_FragColor = float4(tex2D(Texture_Refraction, ScreenTexCoord).rgb, 1) * RefractColor;\n"
2223 "}\n"
2224 "#endif\n"
2225 "#else // !MODE_REFRACTION\n"
2226 "\n"
2227 "\n"
2228 "\n"
2229 "\n"
2230 "#ifdef MODE_WATER\n"
2231 "#ifdef VERTEX_SHADER\n"
2232 "\n"
2233 "void main\n"
2234 "(\n"
2235 "float4 gl_Vertex : POSITION,\n"
2236 "uniform float4x4 ModelViewProjectionMatrix,\n"
2237 "float4 gl_MultiTexCoord0 : TEXCOORD0,\n"
2238 "uniform float4x4 TexMatrix,\n"
2239 "uniform float3 EyePosition,\n"
2240 "out float4 gl_Position : POSITION,\n"
2241 "out float2 TexCoord : TEXCOORD0,\n"
2242 "out float3 EyeVector : TEXCOORD1,\n"
2243 "out float4 ModelViewProjectionPosition : TEXCOORD2\n"
2244 ")\n"
2245 "{\n"
2246 "       TexCoord = float2(mul(TexMatrix, gl_MultiTexCoord0));\n"
2247 "       float3 EyeVectorModelSpace = EyePosition - gl_Vertex.xyz;\n"
2248 "       EyeVector.x = dot(EyeVectorModelSpace, gl_MultiTexCoord1.xyz);\n"
2249 "       EyeVector.y = dot(EyeVectorModelSpace, gl_MultiTexCoord2.xyz);\n"
2250 "       EyeVector.z = dot(EyeVectorModelSpace, gl_MultiTexCoord3.xyz);\n"
2251 "       gl_Position = mul(ModelViewProjectionMatrix, gl_Vertex);\n"
2252 "       ModelViewProjectionPosition = gl_Position;\n"
2253 "}\n"
2254 "#endif\n"
2255 "\n"
2256 "#ifdef FRAGMENT_SHADER\n"
2257 "void main\n"
2258 "(\n"
2259 "float2 TexCoord : TEXCOORD0,\n"
2260 "float3 EyeVector : TEXCOORD1,\n"
2261 "float4 ModelViewProjectionPosition : TEXCOORD2,\n"
2262 "uniform sampler2D Texture_Normal,\n"
2263 "uniform sampler2D Texture_Refraction,\n"
2264 "uniform sampler2D Texture_Reflection,\n"
2265 "uniform float4 DistortScaleRefractReflect,\n"
2266 "uniform float4 ScreenScaleRefractReflect,\n"
2267 "uniform float4 ScreenCenterRefractReflect,\n"
2268 "uniform float4 RefractColor,\n"
2269 "uniform float4 ReflectColor,\n"
2270 "uniform float ReflectFactor,\n"
2271 "uniform float ReflectOffset,\n"
2272 "out float4 gl_FragColor : COLOR\n"
2273 ")\n"
2274 "{\n"
2275 "       float4 ScreenScaleRefractReflectIW = ScreenScaleRefractReflect * (1.0 / ModelViewProjectionPosition.w);\n"
2276 "       //float4 ScreenTexCoord = (ModelViewProjectionPosition.xyxy + normalize(float3(tex2D(Texture_Normal, TexCoord)) - float3(0.5)).xyxy * DistortScaleRefractReflect * 100) * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect;\n"
2277 "       float4 SafeScreenTexCoord = ModelViewProjectionPosition.xyxy * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect;\n"
2278 "       float4 ScreenTexCoord = SafeScreenTexCoord + float2(normalize(float3(tex2D(Texture_Normal, TexCoord)) - float3(0.5))).xyxy * DistortScaleRefractReflect;\n"
2279 "       // FIXME temporary hack to detect the case that the reflection\n"
2280 "       // gets blackened at edges due to leaving the area that contains actual\n"
2281 "       // content.\n"
2282 "       // Remove this 'ack once we have a better way to stop this thing from\n"
2283 "       // 'appening.\n"
2284 "       float f = min(1.0, length(tex2D(Texture_Refraction, ScreenTexCoord.xy + float2(0.01, 0.01)).rgb) / 0.05);\n"
2285 "       f      *= min(1.0, length(tex2D(Texture_Refraction, ScreenTexCoord.xy + float2(0.01, -0.01)).rgb) / 0.05);\n"
2286 "       f      *= min(1.0, length(tex2D(Texture_Refraction, ScreenTexCoord.xy + float2(-0.01, 0.01)).rgb) / 0.05);\n"
2287 "       f      *= min(1.0, length(tex2D(Texture_Refraction, ScreenTexCoord.xy + float2(-0.01, -0.01)).rgb) / 0.05);\n"
2288 "       ScreenTexCoord.xy = lerp(SafeScreenTexCoord.xy, ScreenTexCoord.xy, f);\n"
2289 "       f       = min(1.0, length(tex2D(Texture_Reflection, ScreenTexCoord.zw + float2(0.01, 0.01)).rgb) / 0.05);\n"
2290 "       f      *= min(1.0, length(tex2D(Texture_Reflection, ScreenTexCoord.zw + float2(0.01, -0.01)).rgb) / 0.05);\n"
2291 "       f      *= min(1.0, length(tex2D(Texture_Reflection, ScreenTexCoord.zw + float2(-0.01, 0.01)).rgb) / 0.05);\n"
2292 "       f      *= min(1.0, length(tex2D(Texture_Reflection, ScreenTexCoord.zw + float2(-0.01, -0.01)).rgb) / 0.05);\n"
2293 "       ScreenTexCoord.zw = lerp(SafeScreenTexCoord.zw, ScreenTexCoord.zw, f);\n"
2294 "       float Fresnel = pow(min(1.0, 1.0 - float(normalize(EyeVector).z)), 2.0) * ReflectFactor + ReflectOffset;\n"
2295 "       gl_FragColor = lerp(float4(tex2D(Texture_Refraction, ScreenTexCoord.xy).rgb, 1) * RefractColor, float4(tex2D(Texture_Reflection, ScreenTexCoord.zw).rgb, 1) * ReflectColor, Fresnel);\n"
2296 "}\n"
2297 "#endif\n"
2298 "#else // !MODE_WATER\n"
2299 "\n"
2300 "\n"
2301 "\n"
2302 "\n"
2303 "// TODO: get rid of tangentt (texcoord2) and use a crossproduct to regenerate it from tangents (texcoord1) and normal (texcoord3), this would require sending a 4 component texcoord1 with W as 1 or -1 according to which side the texcoord2 should be on\n"
2304 "\n"
2305 "// fragment shader specific:\n"
2306 "#ifdef FRAGMENT_SHADER\n"
2307 "\n"
2308 "#ifdef USEFOG\n"
2309 "float3 FogVertex(float3 surfacecolor, float3 FogColor, float3 EyeVectorModelSpace, float FogPlaneVertexDist, float FogRangeRecip, float FogPlaneViewDist, float FogHeightFade, sampler2D Texture_FogMask, sampler2D Texture_FogHeightTexture)\n"
2310 "{\n"
2311 "       float fogfrac;\n"
2312 "#ifdef USEFOGHEIGHTTEXTURE\n"
2313 "       float4 fogheightpixel = tex2D(Texture_FogHeightTexture, float2(1,1) + float2(FogPlaneVertexDist, FogPlaneViewDist) * (-2.0 * FogHeightFade));\n"
2314 "       fogfrac = fogheightpixel.a;\n"
2315 "       return lerp(fogheightpixel.rgb * FogColor, surfacecolor, tex2D(Texture_FogMask, float2(length(EyeVectorModelSpace)*fogfrac*FogRangeRecip, 0.0)).r);\n"
2316 "#else\n"
2317 "# ifdef USEFOGOUTSIDE\n"
2318 "       fogfrac = min(0.0, FogPlaneVertexDist) / (FogPlaneVertexDist - FogPlaneViewDist) * min(1.0, min(0.0, FogPlaneVertexDist) * FogHeightFade);\n"
2319 "# else\n"
2320 "       fogfrac = FogPlaneViewDist / (FogPlaneViewDist - max(0.0, FogPlaneVertexDist)) * min(1.0, (min(0.0, FogPlaneVertexDist) + FogPlaneViewDist) * FogHeightFade);\n"
2321 "# endif\n"
2322 "       return lerp(FogColor, surfacecolor, tex2D(Texture_FogMask, float2(length(EyeVectorModelSpace)*fogfrac*FogRangeRecip, 0.0)).r);\n"
2323 "#endif\n"
2324 "}\n"
2325 "#endif\n"
2326 "\n"
2327 "#ifdef USEOFFSETMAPPING\n"
2328 "float2 OffsetMapping(float2 TexCoord, float OffsetMapping_Scale, float3 EyeVector, sampler2D Texture_Normal)\n"
2329 "{\n"
2330 "#ifdef USEOFFSETMAPPING_RELIEFMAPPING\n"
2331 "       // 14 sample relief mapping: linear search and then binary search\n"
2332 "       // this basically steps forward a small amount repeatedly until it finds\n"
2333 "       // itself inside solid, then jitters forward and back using decreasing\n"
2334 "       // amounts to find the impact\n"
2335 "       //float3 OffsetVector = float3(EyeVector.xy * ((1.0 / EyeVector.z) * OffsetMapping_Scale) * float2(-1, 1), -1);\n"
2336 "       //float3 OffsetVector = float3(normalize(EyeVector.xy) * OffsetMapping_Scale * float2(-1, 1), -1);\n"
2337 "       float3 OffsetVector = float3(normalize(EyeVector).xy * OffsetMapping_Scale * float2(-1, 1), -1);\n"
2338 "       float3 RT = float3(TexCoord, 1);\n"
2339 "       OffsetVector *= 0.1;\n"
2340 "       RT += OffsetVector *  step(tex2D(Texture_Normal, RT.xy).a, RT.z);\n"
2341 "       RT += OffsetVector *  step(tex2D(Texture_Normal, RT.xy).a, RT.z);\n"
2342 "       RT += OffsetVector *  step(tex2D(Texture_Normal, RT.xy).a, RT.z);\n"
2343 "       RT += OffsetVector *  step(tex2D(Texture_Normal, RT.xy).a, RT.z);\n"
2344 "       RT += OffsetVector *  step(tex2D(Texture_Normal, RT.xy).a, RT.z);\n"
2345 "       RT += OffsetVector *  step(tex2D(Texture_Normal, RT.xy).a, RT.z);\n"
2346 "       RT += OffsetVector *  step(tex2D(Texture_Normal, RT.xy).a, RT.z);\n"
2347 "       RT += OffsetVector *  step(tex2D(Texture_Normal, RT.xy).a, RT.z);\n"
2348 "       RT += OffsetVector *  step(tex2D(Texture_Normal, RT.xy).a, RT.z);\n"
2349 "       RT += OffsetVector * (step(tex2D(Texture_Normal, RT.xy).a, RT.z)          - 0.5);\n"
2350 "       RT += OffsetVector * (step(tex2D(Texture_Normal, RT.xy).a, RT.z) * 0.5    - 0.25);\n"
2351 "       RT += OffsetVector * (step(tex2D(Texture_Normal, RT.xy).a, RT.z) * 0.25   - 0.125);\n"
2352 "       RT += OffsetVector * (step(tex2D(Texture_Normal, RT.xy).a, RT.z) * 0.125  - 0.0625);\n"
2353 "       RT += OffsetVector * (step(tex2D(Texture_Normal, RT.xy).a, RT.z) * 0.0625 - 0.03125);\n"
2354 "       return RT.xy;\n"
2355 "#else\n"
2356 "       // 3 sample offset mapping (only 3 samples because of ATI Radeon 9500-9800/X300 limits)\n"
2357 "       // this basically moves forward the full distance, and then backs up based\n"
2358 "       // on height of samples\n"
2359 "       //float2 OffsetVector = float2(EyeVector.xy * ((1.0 / EyeVector.z) * OffsetMapping_Scale) * float2(-1, 1));\n"
2360 "       //float2 OffsetVector = float2(normalize(EyeVector.xy) * OffsetMapping_Scale * float2(-1, 1));\n"
2361 "       float2 OffsetVector = float2(normalize(EyeVector).xy * OffsetMapping_Scale * float2(-1, 1));\n"
2362 "       TexCoord += OffsetVector;\n"
2363 "       OffsetVector *= 0.333;\n"
2364 "       TexCoord -= OffsetVector * tex2D(Texture_Normal, TexCoord).a;\n"
2365 "       TexCoord -= OffsetVector * tex2D(Texture_Normal, TexCoord).a;\n"
2366 "       TexCoord -= OffsetVector * tex2D(Texture_Normal, TexCoord).a;\n"
2367 "       return TexCoord;\n"
2368 "#endif\n"
2369 "}\n"
2370 "#endif // USEOFFSETMAPPING\n"
2371 "\n"
2372 "#if defined(MODE_LIGHTSOURCE) || defined(MODE_DEFERREDLIGHTSOURCE) || defined(USESHADOWMAPORTHO)\n"
2373 "#if defined(USESHADOWMAPRECT) || defined(USESHADOWMAP2D)\n"
2374 "# ifdef USESHADOWMAPORTHO\n"
2375 "#  define GetShadowMapTC2D(dir, ShadowMap_Parameters) (min(dir, ShadowMap_Parameters.xyz))\n"
2376 "# else\n"
2377 "#  ifdef USESHADOWMAPVSDCT\n"
2378 "float3 GetShadowMapTC2D(float3 dir, float4 ShadowMap_Parameters, samplerCUBE Texture_CubeProjection)\n"
2379 "{\n"
2380 "       float3 adir = abs(dir);\n"
2381 "       float2 aparams = ShadowMap_Parameters.xy / max(max(adir.x, adir.y), adir.z);\n"
2382 "       float4 proj = texCUBE(Texture_CubeProjection, dir);\n"
2383 "       return float3(lerp(dir.xy, dir.zz, proj.xy) * aparams.x + proj.zw * ShadowMap_Parameters.z, aparams.y + ShadowMap_Parameters.w);\n"
2384 "}\n"
2385 "#  else\n"
2386 "float3 GetShadowMapTC2D(float3 dir, float4 ShadowMap_Parameters)\n"
2387 "{\n"
2388 "       float3 adir = abs(dir);\n"
2389 "       float ma = adir.z;\n"
2390 "       float4 proj = float4(dir, 2.5);\n"
2391 "       if (adir.x > ma) { ma = adir.x; proj = float4(dir.zyx, 0.5); }\n"
2392 "       if (adir.y > ma) { ma = adir.y; proj = float4(dir.xzy, 1.5); }\n"
2393 "       float2 aparams = ShadowMap_Parameters.xy / ma;\n"
2394 "       return float3(proj.xy * aparams.x + float2(proj.z < 0.0 ? 1.5 : 0.5, proj.w) * ShadowMap_Parameters.z, aparams.y + ShadowMap_Parameters.w);\n"
2395 "}\n"
2396 "#  endif\n"
2397 "# endif\n"
2398 "#endif // defined(USESHADOWMAPRECT) || defined(USESHADOWMAP2D)\n"
2399 "\n"
2400 "#ifdef USESHADOWMAPCUBE\n"
2401 "float4 GetShadowMapTCCube(float3 dir, float4 ShadowMap_Parameters)\n"
2402 "{\n"
2403 "    float3 adir = abs(dir);\n"
2404 "    return float4(dir, ShadowMap_Parameters.w + ShadowMap_Parameters.y / max(max(adir.x, adir.y), adir.z));\n"
2405 "}\n"
2406 "#endif\n"
2407 "\n"
2408 "# ifdef USESHADOWMAPRECT\n"
2409 "#ifdef USESHADOWMAPVSDCT\n"
2410 "float ShadowMapCompare(float3 dir, samplerRECT Texture_ShadowMapRect, float4 ShadowMap_Parameters, samplerCUBE Texture_CubeProjection)\n"
2411 "#else\n"
2412 "float ShadowMapCompare(float3 dir, samplerRECT Texture_ShadowMapRect, float4 ShadowMap_Parameters)\n"
2413 "#endif\n"
2414 "{\n"
2415 "#ifdef USESHADOWMAPVSDCT\n"
2416 "       float3 shadowmaptc = GetShadowMapTC2D(dir, ShadowMap_Parameters, Texture_CubeProjection);\n"
2417 "#else\n"
2418 "       float3 shadowmaptc = GetShadowMapTC2D(dir, ShadowMap_Parameters);\n"
2419 "#endif\n"
2420 "       float f;\n"
2421 "#  ifdef USESHADOWSAMPLER\n"
2422 "\n"
2423 "#    ifdef USESHADOWMAPPCF\n"
2424 "#      define texval(x, y) shadow2DRect(Texture_ShadowMapRect, shadowmaptc + float3(x, y, 0.0)).r\n"
2425 "    f = dot(float4(0.25), float4(texval(-0.4, 1.0), texval(-1.0, -0.4), texval(0.4, -1.0), texval(1.0, 0.4)));\n"
2426 "#    else\n"
2427 "    f = shadow2DRect(Texture_ShadowMapRect, shadowmaptc).r;\n"
2428 "#    endif\n"
2429 "\n"
2430 "#  else\n"
2431 "\n"
2432 "#    ifdef USESHADOWMAPPCF\n"
2433 "#      if USESHADOWMAPPCF > 1\n"
2434 "#        define texval(x, y) texRECT(Texture_ShadowMapRect, center + float2(x, y)).r\n"
2435 "    float2 center = shadowmaptc.xy - 0.5, offset = frac(center);\n"
2436 "    float4 row1 = step(shadowmaptc.z, float4(texval(-1.0, -1.0), texval( 0.0, -1.0), texval( 1.0, -1.0), texval( 2.0, -1.0)));\n"
2437 "    float4 row2 = step(shadowmaptc.z, float4(texval(-1.0,  0.0), texval( 0.0,  0.0), texval( 1.0,  0.0), texval( 2.0,  0.0)));\n"
2438 "    float4 row3 = step(shadowmaptc.z, float4(texval(-1.0,  1.0), texval( 0.0,  1.0), texval( 1.0,  1.0), texval( 2.0,  1.0)));\n"
2439 "    float4 row4 = step(shadowmaptc.z, float4(texval(-1.0,  2.0), texval( 0.0,  2.0), texval( 1.0,  2.0), texval( 2.0,  2.0)));\n"
2440 "    float4 cols = row2 + row3 + lerp(row1, row4, offset.y);\n"
2441 "    f = dot(lerp(cols.xyz, cols.yzw, offset.x), float3(1.0/9.0));\n"
2442 "#      else\n"
2443 "#        define texval(x, y) texRECT(Texture_ShadowMapRect, shadowmaptc.xy + float2(x, y)).r\n"
2444 "    float2 offset = frac(shadowmaptc.xy);\n"
2445 "    float3 row1 = step(shadowmaptc.z, float3(texval(-1.0, -1.0), texval( 0.0, -1.0), texval( 1.0, -1.0)));\n"
2446 "    float3 row2 = step(shadowmaptc.z, float3(texval(-1.0,  0.0), texval( 0.0,  0.0), texval( 1.0,  0.0)));\n"
2447 "    float3 row3 = step(shadowmaptc.z, float3(texval(-1.0,  1.0), texval( 0.0,  1.0), texval( 1.0,  1.0)));\n"
2448 "    float3 cols = row2 + lerp(row1, row3, offset.y);\n"
2449 "    f = dot(lerp(cols.xy, cols.yz, offset.x), float2(0.25));\n"
2450 "#      endif\n"
2451 "#    else\n"
2452 "    f = step(shadowmaptc.z, texRECT(Texture_ShadowMapRect, shadowmaptc.xy).r);\n"
2453 "#    endif\n"
2454 "\n"
2455 "#  endif\n"
2456 "#  ifdef USESHADOWMAPORTHO\n"
2457 "       return lerp(ShadowMap_Parameters.w, 1.0, f);\n"
2458 "#  else\n"
2459 "       return f;\n"
2460 "#  endif\n"
2461 "}\n"
2462 "# endif\n"
2463 "\n"
2464 "# ifdef USESHADOWMAP2D\n"
2465 "#ifdef USESHADOWMAPVSDCT\n"
2466 "float ShadowMapCompare(float3 dir, sampler2D Texture_ShadowMap2D, float4 ShadowMap_Parameters, float2 ShadowMap_TextureScale, samplerCUBE Texture_CubeProjection)\n"
2467 "#else\n"
2468 "float ShadowMapCompare(float3 dir, sampler2D Texture_ShadowMap2D, float4 ShadowMap_Parameters, float2 ShadowMap_TextureScale)\n"
2469 "#endif\n"
2470 "{\n"
2471 "#ifdef USESHADOWMAPVSDCT\n"
2472 "       float3 shadowmaptc = GetShadowMapTC2D(dir, ShadowMap_Parameters, Texture_CubeProjection);\n"
2473 "#else\n"
2474 "       float3 shadowmaptc = GetShadowMapTC2D(dir, ShadowMap_Parameters);\n"
2475 "#endif\n"
2476 "    float f;\n"
2477 "\n"
2478 "#  ifdef USESHADOWSAMPLER\n"
2479 "#    ifdef USESHADOWMAPPCF\n"
2480 "#      define texval(x, y) shadow2D(Texture_ShadowMap2D, float3(center + float2(x, y)*ShadowMap_TextureScale, shadowmaptc.z)).r  \n"
2481 "    float2 center = shadowmaptc.xy*ShadowMap_TextureScale;\n"
2482 "    f = dot(float4(0.25), float4(texval(-0.4, 1.0), texval(-1.0, -0.4), texval(0.4, -1.0), texval(1.0, 0.4)));\n"
2483 "#    else\n"
2484 "    f = shadow2D(Texture_ShadowMap2D, float3(shadowmaptc.xy*ShadowMap_TextureScale, shadowmaptc.z)).r;\n"
2485 "#    endif\n"
2486 "#  else\n"
2487 "#    ifdef USESHADOWMAPPCF\n"
2488 "#     if defined(GL_ARB_texture_gather) || defined(GL_AMD_texture_texture4)\n"
2489 "#      ifdef GL_ARB_texture_gather\n"
2490 "#        define texval(x, y) textureGatherOffset(Texture_ShadowMap2D, center, ivec(x, y))\n"
2491 "#      else\n"
2492 "#        define texval(x, y) texture4(Texture_ShadowMap2D, center + float2(x,y)*ShadowMap_TextureScale)\n"
2493 "#      endif\n"
2494 "    float2 center = shadowmaptc.xy - 0.5, offset = frac(center);\n"
2495 "    center *= ShadowMap_TextureScale;\n"
2496 "    float4 group1 = step(shadowmaptc.z, texval(-1.0, -1.0));\n"
2497 "    float4 group2 = step(shadowmaptc.z, texval( 1.0, -1.0));\n"
2498 "    float4 group3 = step(shadowmaptc.z, texval(-1.0,  1.0));\n"
2499 "    float4 group4 = step(shadowmaptc.z, texval( 1.0,  1.0));\n"
2500 "    float4 cols = float4(group1.rg, group2.rg) + float4(group3.ab, group4.ab) +\n"
2501 "                lerp(float4(group1.ab, group2.ab), float4(group3.rg, group4.rg), offset.y);\n"
2502 "    f = dot(lerp(cols.xyz, cols.yzw, offset.x), float3(1.0/9.0));\n"
2503 "#     else\n"
2504 "#        define texval(x, y) texDepth2D(Texture_ShadowMap2D, center + float2(x, y)*ShadowMap_TextureScale)  \n"
2505 "#      if USESHADOWMAPPCF > 1\n"
2506 "    float2 center = shadowmaptc.xy - 0.5, offset = frac(center);\n"
2507 "    center *= ShadowMap_TextureScale;\n"
2508 "    float4 row1 = step(shadowmaptc.z, float4(texval(-1.0, -1.0), texval( 0.0, -1.0), texval( 1.0, -1.0), texval( 2.0, -1.0)));\n"
2509 "    float4 row2 = step(shadowmaptc.z, float4(texval(-1.0,  0.0), texval( 0.0,  0.0), texval( 1.0,  0.0), texval( 2.0,  0.0)));\n"
2510 "    float4 row3 = step(shadowmaptc.z, float4(texval(-1.0,  1.0), texval( 0.0,  1.0), texval( 1.0,  1.0), texval( 2.0,  1.0)));\n"
2511 "    float4 row4 = step(shadowmaptc.z, float4(texval(-1.0,  2.0), texval( 0.0,  2.0), texval( 1.0,  2.0), texval( 2.0,  2.0)));\n"
2512 "    float4 cols = row2 + row3 + lerp(row1, row4, offset.y);\n"
2513 "    f = dot(lerp(cols.xyz, cols.yzw, offset.x), float3(1.0/9.0));\n"
2514 "#      else\n"
2515 "    float2 center = shadowmaptc.xy*ShadowMap_TextureScale, offset = frac(shadowmaptc.xy);\n"
2516 "    float3 row1 = step(shadowmaptc.z, float3(texval(-1.0, -1.0), texval( 0.0, -1.0), texval( 1.0, -1.0)));\n"
2517 "    float3 row2 = step(shadowmaptc.z, float3(texval(-1.0,  0.0), texval( 0.0,  0.0), texval( 1.0,  0.0)));\n"
2518 "    float3 row3 = step(shadowmaptc.z, float3(texval(-1.0,  1.0), texval( 0.0,  1.0), texval( 1.0,  1.0)));\n"
2519 "    float3 cols = row2 + lerp(row1, row3, offset.y);\n"
2520 "    f = dot(lerp(cols.xy, cols.yz, offset.x), float2(0.25));\n"
2521 "#      endif\n"
2522 "#     endif\n"
2523 "#    else\n"
2524 "    f = step(shadowmaptc.z, tex2D(Texture_ShadowMap2D, shadowmaptc.xy*ShadowMap_TextureScale).r);\n"
2525 "#    endif\n"
2526 "#  endif\n"
2527 "#  ifdef USESHADOWMAPORTHO\n"
2528 "       return lerp(ShadowMap_Parameters.w, 1.0, f);\n"
2529 "#  else\n"
2530 "       return f;\n"
2531 "#  endif\n"
2532 "}\n"
2533 "# endif\n"
2534 "\n"
2535 "# ifdef USESHADOWMAPCUBE\n"
2536 "float ShadowMapCompare(float3 dir, samplerCUBE Texture_ShadowMapCube, float4 ShadowMap_Parameters)\n"
2537 "{\n"
2538 "    // apply depth texture cubemap as light filter\n"
2539 "    float4 shadowmaptc = GetShadowMapTCCube(dir, ShadowMap_Parameters);\n"
2540 "    float f;\n"
2541 "#  ifdef USESHADOWSAMPLER\n"
2542 "    f = shadowCube(Texture_ShadowMapCube, shadowmaptc).r;\n"
2543 "#  else\n"
2544 "    f = step(shadowmaptc.w, texCUBE(Texture_ShadowMapCube, shadowmaptc.xyz).r);\n"
2545 "#  endif\n"
2546 "    return f;\n"
2547 "}\n"
2548 "# endif\n"
2549 "#endif // !defined(MODE_LIGHTSOURCE) && !defined(MODE_DEFERREDLIGHTSOURCE)\n"
2550 "#endif // FRAGMENT_SHADER\n"
2551 "\n"
2552 "\n"
2553 "\n"
2554 "\n"
2555 "#ifdef MODE_DEFERREDGEOMETRY\n"
2556 "#ifdef VERTEX_SHADER\n"
2557 "void main\n"
2558 "(\n"
2559 "float4 gl_Vertex : POSITION,\n"
2560 "uniform float4x4 ModelViewProjectionMatrix,\n"
2561 "#ifdef USEVERTEXTEXTUREBLEND\n"
2562 "float4 gl_Color : COLOR0,\n"
2563 "#endif\n"
2564 "float4 gl_MultiTexCoord0 : TEXCOORD0,\n"
2565 "float4 gl_MultiTexCoord1 : TEXCOORD1,\n"
2566 "float4 gl_MultiTexCoord2 : TEXCOORD2,\n"
2567 "float4 gl_MultiTexCoord3 : TEXCOORD3,\n"
2568 "uniform float4x4 TexMatrix,\n"
2569 "#ifdef USEVERTEXTEXTUREBLEND\n"
2570 "uniform float4x4 BackgroundTexMatrix,\n"
2571 "#endif\n"
2572 "uniform float4x4 ModelViewMatrix,\n"
2573 "#ifdef USEOFFSETMAPPING\n"
2574 "uniform float3 EyePosition,\n"
2575 "#endif\n"
2576 "out float4 gl_Position : POSITION,\n"
2577 "out float4 gl_FrontColor : COLOR,\n"
2578 "out float4 TexCoordBoth : TEXCOORD0,\n"
2579 "#ifdef USEOFFSETMAPPING\n"
2580 "out float3 EyeVector : TEXCOORD2,\n"
2581 "#endif\n"
2582 "out float3 VectorS : TEXCOORD5, // direction of S texcoord (sometimes crudely called tangent)\n"
2583 "out float3 VectorT : TEXCOORD6, // direction of T texcoord (sometimes crudely called binormal)\n"
2584 "out float3 VectorR : TEXCOORD7 // direction of R texcoord (surface normal)\n"
2585 ")\n"
2586 "{\n"
2587 "       TexCoordBoth = mul(TexMatrix, gl_MultiTexCoord0);\n"
2588 "#ifdef USEVERTEXTEXTUREBLEND\n"
2589 "       gl_FrontColor = gl_Color;\n"
2590 "       TexCoordBoth.zw = float2(Backgroundmul(TexMatrix, gl_MultiTexCoord0));\n"
2591 "#endif\n"
2592 "\n"
2593 "       // transform unnormalized eye direction into tangent space\n"
2594 "#ifdef USEOFFSETMAPPING\n"
2595 "       float3 EyeVectorModelSpace = EyePosition - gl_Vertex.xyz;\n"
2596 "       EyeVector.x = dot(EyeVectorModelSpace, gl_MultiTexCoord1.xyz);\n"
2597 "       EyeVector.y = dot(EyeVectorModelSpace, gl_MultiTexCoord2.xyz);\n"
2598 "       EyeVector.z = dot(EyeVectorModelSpace, gl_MultiTexCoord3.xyz);\n"
2599 "#endif\n"
2600 "\n"
2601 "       VectorS = mul(ModelViewMatrix, float4(gl_MultiTexCoord1.xyz, 0)).xyz;\n"
2602 "       VectorT = mul(ModelViewMatrix, float4(gl_MultiTexCoord2.xyz, 0)).xyz;\n"
2603 "       VectorR = mul(ModelViewMatrix, float4(gl_MultiTexCoord3.xyz, 0)).xyz;\n"
2604 "       gl_Position = mul(ModelViewProjectionMatrix, gl_Vertex);\n"
2605 "}\n"
2606 "#endif // VERTEX_SHADER\n"
2607 "\n"
2608 "#ifdef FRAGMENT_SHADER\n"
2609 "void main\n"
2610 "(\n"
2611 "float4 TexCoordBoth : TEXCOORD0,\n"
2612 "float3 EyeVector : TEXCOORD2,\n"
2613 "float3 VectorS : TEXCOORD5, // direction of S texcoord (sometimes crudely called tangent)\n"
2614 "float3 VectorT : TEXCOORD6, // direction of T texcoord (sometimes crudely called binormal)\n"
2615 "float3 VectorR : TEXCOORD7, // direction of R texcoord (surface normal)\n"
2616 "uniform sampler2D Texture_Normal,\n"
2617 "#ifdef USEALPHAKILL\n"
2618 "uniform sampler2D Texture_Color,\n"
2619 "#endif\n"
2620 "uniform sampler2D Texture_Gloss,\n"
2621 "#ifdef USEVERTEXTEXTUREBLEND\n"
2622 "uniform sampler2D Texture_SecondaryNormal,\n"
2623 "uniform sampler2D Texture_SecondaryGloss,\n"
2624 "#endif\n"
2625 "#ifdef USEOFFSETMAPPING\n"
2626 "uniform float OffsetMapping_Scale,\n"
2627 "#endif\n"
2628 "uniform half SpecularPower,\n"
2629 "out float4 gl_FragColor : COLOR\n"
2630 ")\n"
2631 "{\n"
2632 "       float2 TexCoord = TexCoordBoth.xy;\n"
2633 "#ifdef USEOFFSETMAPPING\n"
2634 "       // apply offsetmapping\n"
2635 "       float2 TexCoordOffset = OffsetMapping(TexCoord, OffsetMapping_Scale, EyeVector, Texture_Normal);\n"
2636 "#define TexCoord TexCoordOffset\n"
2637 "#endif\n"
2638 "\n"
2639 "#ifdef USEALPHAKILL\n"
2640 "       if (tex2D(Texture_Color, TexCoord).a < 0.5)\n"
2641 "               discard;\n"
2642 "#endif\n"
2643 "\n"
2644 "#ifdef USEVERTEXTEXTUREBLEND\n"
2645 "       float alpha = tex2D(Texture_Color, TexCoord).a;\n"
2646 "       float terrainblend = clamp(float(gl_FrontColor.a) * alpha * 2.0 - 0.5, float(0.0), float(1.0));\n"
2647 "       //float terrainblend = min(float(gl_FrontColor.a) * alpha * 2.0, float(1.0));\n"
2648 "       //float terrainblend = float(gl_FrontColor.a) * alpha > 0.5;\n"
2649 "#endif\n"
2650 "\n"
2651 "#ifdef USEVERTEXTEXTUREBLEND\n"
2652 "       float3 surfacenormal = lerp(float3(tex2D(Texture_SecondaryNormal, TexCoord2)), float3(tex2D(Texture_Normal, TexCoord)), terrainblend) - float3(0.5, 0.5, 0.5);\n"
2653 "       float a = lerp(tex2D(Texture_SecondaryGloss, TexCoord2), tex2D(Texture_Gloss, TexCoord).a, terrainblend);\n"
2654 "#else\n"
2655 "       float3 surfacenormal = float3(tex2D(Texture_Normal, TexCoord)) - float3(0.5, 0.5, 0.5);\n"
2656 "       float a = tex2D(Texture_Gloss, TexCoord).a;\n"
2657 "#endif\n"
2658 "\n"
2659 "       gl_FragColor = float4(normalize(surfacenormal.x * VectorS + surfacenormal.y * VectorT + surfacenormal.z * VectorR) * 0.5 + float3(0.5, 0.5, 0.5), 1);\n"
2660 "}\n"
2661 "#endif // FRAGMENT_SHADER\n"
2662 "#else // !MODE_DEFERREDGEOMETRY\n"
2663 "\n"
2664 "\n"
2665 "\n"
2666 "\n"
2667 "#ifdef MODE_DEFERREDLIGHTSOURCE\n"
2668 "#ifdef VERTEX_SHADER\n"
2669 "void main\n"
2670 "(\n"
2671 "float4 gl_Vertex : POSITION,\n"
2672 "uniform float4x4 ModelViewProjectionMatrix,\n"
2673 "uniform float4x4 ModelViewMatrix,\n"
2674 "out float4 gl_Position : POSITION,\n"
2675 "out float4 ModelViewPosition : TEXCOORD0\n"
2676 ")\n"
2677 "{\n"
2678 "       ModelViewPosition = mul(ModelViewMatrix, gl_Vertex);\n"
2679 "       gl_Position = mul(ModelViewProjectionMatrix, gl_Vertex);\n"
2680 "}\n"
2681 "#endif // VERTEX_SHADER\n"
2682 "\n"
2683 "#ifdef FRAGMENT_SHADER\n"
2684 "void main\n"
2685 "(\n"
2686 "float2 Pixel : WPOS,\n"
2687 "float4 ModelViewPosition : TEXCOORD0,\n"
2688 "uniform float4x4 ViewToLight,\n"
2689 "uniform float2 ScreenToDepth, // ScreenToDepth = float2(Far / (Far - Near), Far * Near / (Near - Far));\n"
2690 "uniform float3 LightPosition,\n"
2691 "uniform half2 PixelToScreenTexCoord,\n"
2692 "uniform half3 DeferredColor_Ambient,\n"
2693 "uniform half3 DeferredColor_Diffuse,\n"
2694 "#ifdef USESPECULAR\n"
2695 "uniform half3 DeferredColor_Specular,\n"
2696 "uniform half SpecularPower,\n"
2697 "#endif\n"
2698 "uniform sampler2D Texture_Attenuation,\n"
2699 "uniform sampler2D Texture_ScreenDepth,\n"
2700 "uniform sampler2D Texture_ScreenNormalMap,\n"
2701 "\n"
2702 "#ifdef USECUBEFILTER\n"
2703 "uniform samplerCUBE Texture_Cube,\n"
2704 "#endif\n"
2705 "\n"
2706 "#ifdef USESHADOWMAPRECT\n"
2707 "# ifdef USESHADOWSAMPLER\n"
2708 "uniform samplerRECTShadow Texture_ShadowMapRect,\n"
2709 "# else\n"
2710 "uniform samplerRECT Texture_ShadowMapRect,\n"
2711 "# endif\n"
2712 "#endif\n"
2713 "\n"
2714 "#ifdef USESHADOWMAP2D\n"
2715 "# ifdef USESHADOWSAMPLER\n"
2716 "uniform sampler2DShadow Texture_ShadowMap2D,\n"
2717 "# else\n"
2718 "uniform sampler2D Texture_ShadowMap2D,\n"
2719 "# endif\n"
2720 "#endif\n"
2721 "\n"
2722 "#ifdef USESHADOWMAPVSDCT\n"
2723 "uniform samplerCUBE Texture_CubeProjection,\n"
2724 "#endif\n"
2725 "\n"
2726 "#ifdef USESHADOWMAPCUBE\n"
2727 "# ifdef USESHADOWSAMPLER\n"
2728 "uniform samplerCUBEShadow Texture_ShadowMapCube,\n"
2729 "# else\n"
2730 "uniform samplerCUBE Texture_ShadowMapCube,\n"
2731 "# endif\n"
2732 "#endif\n"
2733 "\n"
2734 "#if defined(USESHADOWMAPRECT) || defined(USESHADOWMAP2D) || defined(USESHADOWMAPCUBE)\n"
2735 "uniform float2 ShadowMap_TextureScale,\n"
2736 "uniform float4 ShadowMap_Parameters,\n"
2737 "#endif\n"
2738 "\n"
2739 "out float4 gl_FragData0 : COLOR0,\n"
2740 "out float4 gl_FragData1 : COLOR1\n"
2741 ")\n"
2742 "{\n"
2743 "       // calculate viewspace pixel position\n"
2744 "       float2 ScreenTexCoord = Pixel * PixelToScreenTexCoord;\n"
2745 "       //ScreenTexCoord.y = ScreenTexCoord.y * -1 + 1; // Cg is opposite?\n"
2746 "       float3 position;\n"
2747 "       position.z = ScreenToDepth.y / (texDepth2D(Texture_ScreenDepth, ScreenTexCoord) + ScreenToDepth.x);\n"
2748 "       position.xy = ModelViewPosition.xy * (position.z / ModelViewPosition.z);\n"
2749 "       // decode viewspace pixel normal\n"
2750 "       half4 normalmap = tex2D(Texture_ScreenNormalMap, ScreenTexCoord);\n"
2751 "       half3 surfacenormal = normalize(normalmap.rgb - half3(0.5,0.5,0.5));\n"
2752 "       // surfacenormal = pixel normal in viewspace\n"
2753 "       // LightVector = pixel to light in viewspace\n"
2754 "       // CubeVector = position in lightspace\n"
2755 "       // eyevector = pixel to view in viewspace\n"
2756 "       float3 CubeVector = float3(mul(ViewToLight, float4(position,1)));\n"
2757 "       half fade = half(tex2D(Texture_Attenuation, float2(length(CubeVector), 0.0)));\n"
2758 "#ifdef USEDIFFUSE\n"
2759 "       // calculate diffuse shading\n"
2760 "       half3 lightnormal = half3(normalize(LightPosition - position));\n"
2761 "       half diffuse = half(max(float(dot(surfacenormal, lightnormal)), 0.0));\n"
2762 "#endif\n"
2763 "#ifdef USESPECULAR\n"
2764 "       // calculate directional shading\n"
2765 "       float3 eyevector = position * -1.0;\n"
2766 "#  ifdef USEEXACTSPECULARMATH\n"
2767 "       half specular = pow(half(max(float(dot(reflect(lightnormal, surfacenormal), normalize(eyevector)))*-1.0, 0.0)), SpecularPower * normalmap.a);\n"
2768 "#  else\n"
2769 "       half3 specularnormal = normalize(lightnormal + half3(normalize(eyevector)));\n"
2770 "       half specular = pow(half(max(float(dot(surfacenormal, specularnormal)), 0.0)), SpecularPower * normalmap.a);\n"
2771 "#  endif\n"
2772 "#endif\n"
2773 "\n"
2774 "#if defined(USESHADOWMAP2D) || defined(USESHADOWMAPRECT) || defined(USESHADOWMAPCUBE)\n"
2775 "       fade *= ShadowMapCompare(CubeVector,\n"
2776 "# if defined(USESHADOWMAP2D)\n"
2777 "Texture_ShadowMap2D, ShadowMap_Parameters, ShadowMap_TextureScale\n"
2778 "# endif\n"
2779 "# if defined(USESHADOWMAPRECT)\n"
2780 "Texture_ShadowMapRect, ShadowMap_Parameters\n"
2781 "# endif\n"
2782 "# if defined(USESHADOWMAPCUBE)\n"
2783 "Texture_ShadowMapCube, ShadowMap_Parameters\n"
2784 "# endif\n"
2785 "\n"
2786 "#ifdef USESHADOWMAPVSDCT\n"
2787 ", Texture_CubeProjection\n"
2788 "#endif\n"
2789 "       );\n"
2790 "#endif\n"
2791 "\n"
2792 "#ifdef USEDIFFUSE\n"
2793 "       gl_FragData0 = float4((DeferredColor_Ambient + DeferredColor_Diffuse * diffuse) * fade, 1.0);\n"
2794 "#else\n"
2795 "       gl_FragData0 = float4(DeferredColor_Ambient * fade, 1.0);\n"
2796 "#endif\n"
2797 "#ifdef USESPECULAR\n"
2798 "       gl_FragData1 = float4(DeferredColor_Specular * (specular * fade), 1.0);\n"
2799 "#else\n"
2800 "       gl_FragData1 = float4(0.0, 0.0, 0.0, 1.0);\n"
2801 "#endif\n"
2802 "\n"
2803 "# ifdef USECUBEFILTER\n"
2804 "       float3 cubecolor = texCUBE(Texture_Cube, CubeVector).rgb;\n"
2805 "       gl_FragData0.rgb *= cubecolor;\n"
2806 "       gl_FragData1.rgb *= cubecolor;\n"
2807 "# endif\n"
2808 "}\n"
2809 "#endif // FRAGMENT_SHADER\n"
2810 "#else // !MODE_DEFERREDLIGHTSOURCE\n"
2811 "\n"
2812 "\n"
2813 "\n"
2814 "\n"
2815 "#ifdef VERTEX_SHADER\n"
2816 "void main\n"
2817 "(\n"
2818 "float4 gl_Vertex : POSITION,\n"
2819 "uniform float4x4 ModelViewProjectionMatrix,\n"
2820 "#if defined(USEVERTEXTEXTUREBLEND) || defined(MODE_VERTEXCOLOR)\n"
2821 "float4 gl_Color : COLOR0,\n"
2822 "#endif\n"
2823 "float4 gl_MultiTexCoord0 : TEXCOORD0,\n"
2824 "float4 gl_MultiTexCoord1 : TEXCOORD1,\n"
2825 "float4 gl_MultiTexCoord2 : TEXCOORD2,\n"
2826 "float4 gl_MultiTexCoord3 : TEXCOORD3,\n"
2827 "float4 gl_MultiTexCoord4 : TEXCOORD4,\n"
2828 "\n"
2829 "uniform float3 EyePosition,\n"
2830 "uniform float4x4 TexMatrix,\n"
2831 "#ifdef USEVERTEXTEXTUREBLEND\n"
2832 "uniform float4x4 BackgroundTexMatrix,\n"
2833 "#endif\n"
2834 "#ifdef MODE_LIGHTSOURCE\n"
2835 "uniform float4x4 ModelToLight,\n"
2836 "#endif\n"
2837 "#ifdef MODE_LIGHTSOURCE\n"
2838 "uniform float3 LightPosition,\n"
2839 "#endif\n"
2840 "#ifdef MODE_LIGHTDIRECTION\n"
2841 "uniform float3 LightDir,\n"
2842 "#endif\n"
2843 "uniform float4 FogPlane,\n"
2844 "#ifdef MODE_DEFERREDLIGHTSOURCE\n"
2845 "uniform float3 LightPosition,\n"
2846 "#endif\n"
2847 "#ifdef USESHADOWMAPORTHO\n"
2848 "uniform float4x4 ShadowMapMatrix,\n"
2849 "#endif\n"
2850 "\n"
2851 "out float4 gl_FrontColor : COLOR,\n"
2852 "out float4 TexCoordBoth : TEXCOORD0,\n"
2853 "#ifdef USELIGHTMAP\n"
2854 "out float2 TexCoordLightmap : TEXCOORD1,\n"
2855 "#endif\n"
2856 "#ifdef USEEYEVECTOR\n"
2857 "out float3 EyeVector : TEXCOORD2,\n"
2858 "#endif\n"
2859 "#ifdef USEREFLECTION\n"
2860 "out float4 ModelViewProjectionPosition : TEXCOORD3,\n"
2861 "#endif\n"
2862 "#ifdef USEFOG\n"
2863 "out float4 EyeVectorModelSpaceFogPlaneVertexDist : TEXCOORD4,\n"
2864 "#endif\n"
2865 "#if defined(MODE_LIGHTSOURCE) || defined(MODE_LIGHTDIRECTION)\n"
2866 "out float3 LightVector : TEXCOORD1,\n"
2867 "#endif\n"
2868 "#ifdef MODE_LIGHTSOURCE\n"
2869 "out float3 CubeVector : TEXCOORD3,\n"
2870 "#endif\n"
2871 "#if defined(MODE_LIGHTDIRECTIONMAP_MODELSPACE) || defined(MODE_DEFERREDGEOMETRY) || defined(USEREFLECTCUBE)\n"
2872 "out float3 VectorS : TEXCOORD5, // direction of S texcoord (sometimes crudely called tangent)\n"
2873 "out float3 VectorT : TEXCOORD6, // direction of T texcoord (sometimes crudely called binormal)\n"
2874 "out float3 VectorR : TEXCOORD7, // direction of R texcoord (surface normal)\n"
2875 "#endif\n"
2876 "#ifdef USESHADOWMAPORTHO\n"
2877 "out float3 ShadowMapTC : TEXCOORD3, // CONFLICTS WITH USEREFLECTION!\n"
2878 "#endif\n"
2879 "out float4 gl_Position : POSITION\n"
2880 ")\n"
2881 "{\n"
2882 "#if defined(MODE_VERTEXCOLOR) || defined(USEVERTEXTEXTUREBLEND)\n"
2883 "       gl_FrontColor = gl_Color;\n"
2884 "#endif\n"
2885 "       // copy the surface texcoord\n"
2886 "       TexCoordBoth = mul(TexMatrix, gl_MultiTexCoord0);\n"
2887 "#ifdef USEVERTEXTEXTUREBLEND\n"
2888 "       TexCoordBoth.zw = mul(BackgroundTexMatrix, gl_MultiTexCoord0).xy;\n"
2889 "#endif\n"
2890 "#ifdef USELIGHTMAP\n"
2891 "       TexCoordLightmap = float2(gl_MultiTexCoord4);\n"
2892 "#endif\n"
2893 "\n"
2894 "#ifdef MODE_LIGHTSOURCE\n"
2895 "       // transform vertex position into light attenuation/cubemap space\n"
2896 "       // (-1 to +1 across the light box)\n"
2897 "       CubeVector = float3(mul(ModelToLight, gl_Vertex));\n"
2898 "\n"
2899 "# ifdef USEDIFFUSE\n"
2900 "       // transform unnormalized light direction into tangent space\n"
2901 "       // (we use unnormalized to ensure that it interpolates correctly and then\n"
2902 "       //  normalize it per pixel)\n"
2903 "       float3 lightminusvertex = LightPosition - gl_Vertex.xyz;\n"
2904 "       LightVector.x = dot(lightminusvertex, gl_MultiTexCoord1.xyz);\n"
2905 "       LightVector.y = dot(lightminusvertex, gl_MultiTexCoord2.xyz);\n"
2906 "       LightVector.z = dot(lightminusvertex, gl_MultiTexCoord3.xyz);\n"
2907 "# endif\n"
2908 "#endif\n"
2909 "\n"
2910 "#if defined(MODE_LIGHTDIRECTION) && defined(USEDIFFUSE)\n"
2911 "       LightVector.x = dot(LightDir, gl_MultiTexCoord1.xyz);\n"
2912 "       LightVector.y = dot(LightDir, gl_MultiTexCoord2.xyz);\n"
2913 "       LightVector.z = dot(LightDir, gl_MultiTexCoord3.xyz);\n"
2914 "#endif\n"
2915 "\n"
2916 "       // transform unnormalized eye direction into tangent space\n"
2917 "#ifdef USEEYEVECTOR\n"
2918 "       float3 EyeVectorModelSpace = EyePosition - gl_Vertex.xyz;\n"
2919 "       EyeVector.x = dot(EyeVectorModelSpace, gl_MultiTexCoord1.xyz);\n"
2920 "       EyeVector.y = dot(EyeVectorModelSpace, gl_MultiTexCoord2.xyz);\n"
2921 "       EyeVector.z = dot(EyeVectorModelSpace, gl_MultiTexCoord3.xyz);\n"
2922 "#endif\n"
2923 "\n"
2924 "#ifdef USEFOG\n"
2925 "       EyeVectorModelSpaceFogPlaneVertexDist.xyz = EyePosition - gl_Vertex.xyz;\n"
2926 "       EyeVectorModelSpaceFogPlaneVertexDist.w = dot(FogPlane, gl_Vertex);\n"
2927 "#endif\n"
2928 "\n"
2929 "#ifdef MODE_LIGHTDIRECTIONMAP_MODELSPACE\n"
2930 "       VectorS = gl_MultiTexCoord1.xyz;\n"
2931 "       VectorT = gl_MultiTexCoord2.xyz;\n"
2932 "       VectorR = gl_MultiTexCoord3.xyz;\n"
2933 "#endif\n"
2934 "\n"
2935 "       // transform vertex to camera space, using ftransform to match non-VS rendering\n"
2936 "       gl_Position = mul(ModelViewProjectionMatrix, gl_Vertex);\n"
2937 "\n"
2938 "#ifdef USESHADOWMAPORTHO\n"
2939 "       ShadowMapTC = float3(mul(ShadowMapMatrix, gl_Position));\n"
2940 "#endif\n"
2941 "\n"
2942 "#ifdef USEREFLECTION\n"
2943 "       ModelViewProjectionPosition = gl_Position;\n"
2944 "#endif\n"
2945 "}\n"
2946 "#endif // VERTEX_SHADER\n"
2947 "\n"
2948 "\n"
2949 "\n"
2950 "\n"
2951 "#ifdef FRAGMENT_SHADER\n"
2952 "void main\n"
2953 "(\n"
2954 "#ifdef USEDEFERREDLIGHTMAP\n"
2955 "float2 Pixel : WPOS,\n"
2956 "#endif\n"
2957 "float4 gl_FrontColor : COLOR,\n"
2958 "float4 TexCoordBoth : TEXCOORD0,\n"
2959 "#ifdef USELIGHTMAP\n"
2960 "float2 TexCoordLightmap : TEXCOORD1,\n"
2961 "#endif\n"
2962 "#ifdef USEEYEVECTOR\n"
2963 "float3 EyeVector : TEXCOORD2,\n"
2964 "#endif\n"
2965 "#ifdef USEREFLECTION\n"
2966 "float4 ModelViewProjectionPosition : TEXCOORD3,\n"
2967 "#endif\n"
2968 "#ifdef USEFOG\n"
2969 "float4 EyeVectorModelSpaceFogPlaneVertexDist : TEXCOORD4,\n"
2970 "#endif\n"
2971 "#if defined(MODE_LIGHTSOURCE) || defined(MODE_LIGHTDIRECTION)\n"
2972 "float3 LightVector : TEXCOORD1,\n"
2973 "#endif\n"
2974 "#ifdef MODE_LIGHTSOURCE\n"
2975 "float3 CubeVector : TEXCOORD3,\n"
2976 "#endif\n"
2977 "#ifdef MODE_DEFERREDLIGHTSOURCE\n"
2978 "float4 ModelViewPosition : TEXCOORD0,\n"
2979 "#endif\n"
2980 "#if defined(MODE_LIGHTDIRECTIONMAP_MODELSPACE) || defined(MODE_DEFERREDGEOMETRY) || defined(USEREFLECTCUBE)\n"
2981 "float3 VectorS : TEXCOORD5, // direction of S texcoord (sometimes crudely called tangent)\n"
2982 "float3 VectorT : TEXCOORD6, // direction of T texcoord (sometimes crudely called binormal)\n"
2983 "float3 VectorR : TEXCOORD7, // direction of R texcoord (surface normal)\n"
2984 "#endif\n"
2985 "#ifdef USESHADOWMAPORTHO\n"
2986 "float3 ShadowMapTC : TEXCOORD3, // CONFLICTS WITH USEREFLECTION!\n"
2987 "#endif\n"
2988 "\n"
2989 "uniform sampler2D Texture_Normal,\n"
2990 "uniform sampler2D Texture_Color,\n"
2991 "#if defined(USESPECULAR) || defined(USEDEFERREDLIGHTMAP)\n"
2992 "uniform sampler2D Texture_Gloss,\n"
2993 "#endif\n"
2994 "#ifdef USEGLOW\n"
2995 "uniform sampler2D Texture_Glow,\n"
2996 "#endif\n"
2997 "#ifdef USEVERTEXTEXTUREBLEND\n"
2998 "uniform sampler2D Texture_SecondaryNormal,\n"
2999 "uniform sampler2D Texture_SecondaryColor,\n"
3000 "#if defined(USESPECULAR) || defined(USEDEFERREDLIGHTMAP)\n"
3001 "uniform sampler2D Texture_SecondaryGloss,\n"
3002 "#endif\n"
3003 "#ifdef USEGLOW\n"
3004 "uniform sampler2D Texture_SecondaryGlow,\n"
3005 "#endif\n"
3006 "#endif\n"
3007 "#ifdef USECOLORMAPPING\n"
3008 "uniform sampler2D Texture_Pants,\n"
3009 "uniform sampler2D Texture_Shirt,\n"
3010 "#endif\n"
3011 "#ifdef USEFOG\n"
3012 "uniform sampler2D Texture_FogHeightTexture,\n"
3013 "uniform sampler2D Texture_FogMask,\n"
3014 "#endif\n"
3015 "#ifdef USELIGHTMAP\n"
3016 "uniform sampler2D Texture_Lightmap,\n"
3017 "#endif\n"
3018 "#if defined(MODE_LIGHTDIRECTIONMAP_MODELSPACE) || defined(MODE_LIGHTDIRECTIONMAP_TANGENTSPACE)\n"
3019 "uniform sampler2D Texture_Deluxemap,\n"
3020 "#endif\n"
3021 "#ifdef USEREFLECTION\n"
3022 "uniform sampler2D Texture_Reflection,\n"
3023 "#endif\n"
3024 "\n"
3025 "#ifdef MODE_DEFERREDLIGHTSOURCE\n"
3026 "uniform sampler2D Texture_ScreenDepth,\n"
3027 "uniform sampler2D Texture_ScreenNormalMap,\n"
3028 "#endif\n"
3029 "#ifdef USEDEFERREDLIGHTMAP\n"
3030 "uniform sampler2D Texture_ScreenDiffuse,\n"
3031 "uniform sampler2D Texture_ScreenSpecular,\n"
3032 "#endif\n"
3033 "\n"
3034 "#ifdef USECOLORMAPPING\n"
3035 "uniform half3 Color_Pants,\n"
3036 "uniform half3 Color_Shirt,\n"
3037 "#endif\n"
3038 "#ifdef USEFOG\n"
3039 "uniform float3 FogColor,\n"
3040 "uniform float FogRangeRecip,\n"
3041 "uniform float FogPlaneViewDist,\n"
3042 "uniform float FogHeightFade,\n"
3043 "#endif\n"
3044 "\n"
3045 "#ifdef USEOFFSETMAPPING\n"
3046 "uniform float OffsetMapping_Scale,\n"
3047 "#endif\n"
3048 "\n"
3049 "#ifdef USEDEFERREDLIGHTMAP\n"
3050 "uniform half2 PixelToScreenTexCoord,\n"
3051 "uniform half3 DeferredMod_Diffuse,\n"
3052 "uniform half3 DeferredMod_Specular,\n"
3053 "#endif\n"
3054 "uniform half3 Color_Ambient,\n"
3055 "uniform half3 Color_Diffuse,\n"
3056 "uniform half3 Color_Specular,\n"
3057 "uniform half SpecularPower,\n"
3058 "#ifdef USEGLOW\n"
3059 "uniform half3 Color_Glow,\n"
3060 "#endif\n"
3061 "uniform half Alpha,\n"
3062 "#ifdef USEREFLECTION\n"
3063 "uniform float4 DistortScaleRefractReflect,\n"
3064 "uniform float4 ScreenScaleRefractReflect,\n"
3065 "uniform float4 ScreenCenterRefractReflect,\n"
3066 "uniform half4 ReflectColor,\n"
3067 "#endif\n"
3068 "#ifdef USEREFLECTCUBE\n"
3069 "uniform float4x4 ModelToReflectCube,\n"
3070 "uniform sampler2D Texture_ReflectMask,\n"
3071 "uniform samplerCUBE Texture_ReflectCube,\n"
3072 "#endif\n"
3073 "#ifdef MODE_LIGHTDIRECTION\n"
3074 "uniform half3 LightColor,\n"
3075 "#endif\n"
3076 "#ifdef MODE_LIGHTSOURCE\n"
3077 "uniform half3 LightColor,\n"
3078 "#endif\n"
3079 "\n"
3080 "#if defined(MODE_LIGHTSOURCE) || defined(MODE_DEFERREDLIGHTSOURCE)\n"
3081 "uniform sampler2D Texture_Attenuation,\n"
3082 "uniform samplerCUBE Texture_Cube,\n"
3083 "#endif\n"
3084 "\n"
3085 "#if defined(MODE_LIGHTSOURCE) || defined(MODE_DEFERREDLIGHTSOURCE) || defined(USESHADOWMAPORTHO)\n"
3086 "\n"
3087 "#ifdef USESHADOWMAPRECT\n"
3088 "# ifdef USESHADOWSAMPLER\n"
3089 "uniform samplerRECTShadow Texture_ShadowMapRect,\n"
3090 "# else\n"
3091 "uniform samplerRECT Texture_ShadowMapRect,\n"
3092 "# endif\n"
3093 "#endif\n"
3094 "\n"
3095 "#ifdef USESHADOWMAP2D\n"
3096 "# ifdef USESHADOWSAMPLER\n"
3097 "uniform sampler2DShadow Texture_ShadowMap2D,\n"
3098 "# else\n"
3099 "uniform sampler2D Texture_ShadowMap2D,\n"
3100 "# endif\n"
3101 "#endif\n"
3102 "\n"
3103 "#ifdef USESHADOWMAPVSDCT\n"
3104 "uniform samplerCUBE Texture_CubeProjection,\n"
3105 "#endif\n"
3106 "\n"
3107 "#ifdef USESHADOWMAPCUBE\n"
3108 "# ifdef USESHADOWSAMPLER\n"
3109 "uniform samplerCUBEShadow Texture_ShadowMapCube,\n"
3110 "# else\n"
3111 "uniform samplerCUBE Texture_ShadowMapCube,\n"
3112 "# endif\n"
3113 "#endif\n"
3114 "\n"
3115 "#if defined(USESHADOWMAPRECT) || defined(USESHADOWMAP2D) || defined(USESHADOWMAPCUBE)\n"
3116 "uniform float2 ShadowMap_TextureScale,\n"
3117 "uniform float4 ShadowMap_Parameters,\n"
3118 "#endif\n"
3119 "#endif // !defined(MODE_LIGHTSOURCE) && !defined(MODE_DEFERREDLIGHTSOURCE) && !defined(USESHADOWMAPORTHO)\n"
3120 "\n"
3121 "out float4 gl_FragColor : COLOR\n"
3122 ")\n"
3123 "{\n"
3124 "       float2 TexCoord = TexCoordBoth.xy;\n"
3125 "#ifdef USEVERTEXTEXTUREBLEND\n"
3126 "       float2 TexCoord2 = TexCoordBoth.zw;\n"
3127 "#endif\n"
3128 "#ifdef USEOFFSETMAPPING\n"
3129 "       // apply offsetmapping\n"
3130 "       float2 TexCoordOffset = OffsetMapping(TexCoord, OffsetMapping_Scale, EyeVector, Texture_Normal);\n"
3131 "#define TexCoord TexCoordOffset\n"
3132 "#endif\n"
3133 "\n"
3134 "       // combine the diffuse textures (base, pants, shirt)\n"
3135 "       half4 color = half4(tex2D(Texture_Color, TexCoord));\n"
3136 "#ifdef USEALPHAKILL\n"
3137 "       if (color.a < 0.5)\n"
3138 "               discard;\n"
3139 "#endif\n"
3140 "       color.a *= Alpha;\n"
3141 "#ifdef USECOLORMAPPING\n"
3142 "       color.rgb += half3(tex2D(Texture_Pants, TexCoord)) * Color_Pants + half3(tex2D(Texture_Shirt, TexCoord)) * Color_Shirt;\n"
3143 "#endif\n"
3144 "#ifdef USEVERTEXTEXTUREBLEND\n"
3145 "       float terrainblend = clamp(half(gl_FrontColor.a) * color.a * 2.0 - 0.5, half(0.0), half(1.0));\n"
3146 "       //half terrainblend = min(half(gl_FrontColor.a) * color.a * 2.0, half(1.0));\n"
3147 "       //half terrainblend = half(gl_FrontColor.a) * color.a > 0.5;\n"
3148 "       color.rgb = half3(lerp(float3(tex2D(Texture_SecondaryColor, TexCoord2)), float3(color.rgb), terrainblend));\n"
3149 "       color.a = 1.0;\n"
3150 "       //color = lerp(half4(1, 0, 0, 1), color, terrainblend);\n"
3151 "#endif\n"
3152 "\n"
3153 "       // get the surface normal\n"
3154 "#ifdef USEVERTEXTEXTUREBLEND\n"
3155 "       half3 surfacenormal = normalize(half3(lerp(float3(tex2D(Texture_SecondaryNormal, TexCoord2)), float3(tex2D(Texture_Normal, TexCoord)), terrainblend)) - half3(0.5, 0.5, 0.5));\n"
3156 "#else\n"
3157 "       half3 surfacenormal = normalize(half3(tex2D(Texture_Normal, TexCoord)) - half3(0.5, 0.5, 0.5));\n"
3158 "#endif\n"
3159 "\n"
3160 "       // get the material colors\n"
3161 "       half3 diffusetex = color.rgb;\n"
3162 "#if defined(USESPECULAR) || defined(USEDEFERREDLIGHTMAP)\n"
3163 "# ifdef USEVERTEXTEXTUREBLEND\n"
3164 "       half4 glosstex = half4(lerp(float4(tex2D(Texture_SecondaryGloss, TexCoord2)), float4(tex2D(Texture_Gloss, TexCoord)), terrainblend));\n"
3165 "# else\n"
3166 "       half4 glosstex = half4(tex2D(Texture_Gloss, TexCoord));\n"
3167 "# endif\n"
3168 "#endif\n"
3169 "\n"
3170 "#ifdef USEREFLECTCUBE\n"
3171 "       float3 TangentReflectVector = reflect(-EyeVector, surfacenormal);\n"
3172 "       float3 ModelReflectVector = TangentReflectVector.x * VectorS + TangentReflectVector.y * VectorT + TangentReflectVector.z * VectorR;\n"
3173 "       float3 ReflectCubeTexCoord = float3(mul(ModelToReflectCube, float4(ModelReflectVector, 0)));\n"
3174 "       diffusetex += half3(tex2D(Texture_ReflectMask, TexCoord)) * half3(texCUBE(Texture_ReflectCube, ReflectCubeTexCoord));\n"
3175 "#endif\n"
3176 "\n"
3177 "\n"
3178 "\n"
3179 "\n"
3180 "#ifdef MODE_LIGHTSOURCE\n"
3181 "       // light source\n"
3182 "#ifdef USEDIFFUSE\n"
3183 "       half3 lightnormal = half3(normalize(LightVector));\n"
3184 "       half diffuse = half(max(float(dot(surfacenormal, lightnormal)), 0.0));\n"
3185 "       color.rgb = diffusetex * (Color_Ambient + diffuse * Color_Diffuse);\n"
3186 "#ifdef USESPECULAR\n"
3187 "#ifdef USEEXACTSPECULARMATH\n"
3188 "       half specular = pow(half(max(float(dot(reflect(lightnormal, surfacenormal), normalize(EyeVector)))*-1.0, 0.0)), SpecularPower * glosstex.a);\n"
3189 "#else\n"
3190 "       half3 specularnormal = normalize(lightnormal + half3(normalize(EyeVector)));\n"
3191 "       half specular = pow(half(max(float(dot(surfacenormal, specularnormal)), 0.0)), SpecularPower * glosstex.a);\n"
3192 "#endif\n"
3193 "       color.rgb += glosstex.rgb * (specular * Color_Specular);\n"
3194 "#endif\n"
3195 "#else\n"
3196 "       color.rgb = diffusetex * Color_Ambient;\n"
3197 "#endif\n"
3198 "       color.rgb *= LightColor;\n"
3199 "       color.rgb *= half(tex2D(Texture_Attenuation, float2(length(CubeVector), 0.0)));\n"
3200 "#if defined(USESHADOWMAPRECT) || defined(USESHADOWMAPCUBE) || defined(USESHADOWMAP2D)\n"
3201 "       color.rgb *= ShadowMapCompare(CubeVector,\n"
3202 "# if defined(USESHADOWMAP2D)\n"
3203 "Texture_ShadowMap2D, ShadowMap_Parameters, ShadowMap_TextureScale\n"
3204 "# endif\n"
3205 "# if defined(USESHADOWMAPRECT)\n"
3206 "Texture_ShadowMapRect, ShadowMap_Parameters\n"
3207 "# endif\n"
3208 "# if defined(USESHADOWMAPCUBE)\n"
3209 "Texture_ShadowMapCube, ShadowMap_Parameters\n"
3210 "# endif\n"
3211 "\n"
3212 "#ifdef USESHADOWMAPVSDCT\n"
3213 ", Texture_CubeProjection\n"
3214 "#endif\n"
3215 "       );\n"
3216 "\n"
3217 "#endif\n"
3218 "# ifdef USECUBEFILTER\n"
3219 "       color.rgb *= half3(texCUBE(Texture_Cube, CubeVector));\n"
3220 "# endif\n"
3221 "#endif // MODE_LIGHTSOURCE\n"
3222 "\n"
3223 "\n"
3224 "\n"
3225 "\n"
3226 "#ifdef MODE_LIGHTDIRECTION\n"
3227 "#define SHADING\n"
3228 "#ifdef USEDIFFUSE\n"
3229 "       half3 lightnormal = half3(normalize(LightVector));\n"
3230 "#endif\n"
3231 "#define lightcolor LightColor\n"
3232 "#endif // MODE_LIGHTDIRECTION\n"
3233 "#ifdef MODE_LIGHTDIRECTIONMAP_MODELSPACE\n"
3234 "#define SHADING\n"
3235 "       // deluxemap lightmapping using light vectors in modelspace (q3map2 -light -deluxe)\n"
3236 "       half3 lightnormal_modelspace = half3(tex2D(Texture_Deluxemap, TexCoordLightmap)) * 2.0 + half3(-1.0, -1.0, -1.0);\n"
3237 "       half3 lightcolor = half3(tex2D(Texture_Lightmap, TexCoordLightmap));\n"
3238 "       // convert modelspace light vector to tangentspace\n"
3239 "       half3 lightnormal;\n"
3240 "       lightnormal.x = dot(lightnormal_modelspace, half3(VectorS));\n"
3241 "       lightnormal.y = dot(lightnormal_modelspace, half3(VectorT));\n"
3242 "       lightnormal.z = dot(lightnormal_modelspace, half3(VectorR));\n"
3243 "       // calculate directional shading (and undoing the existing angle attenuation on the lightmap by the division)\n"
3244 "       // note that q3map2 is too stupid to calculate proper surface normals when q3map_nonplanar\n"
3245 "       // is used (the lightmap and deluxemap coords correspond to virtually random coordinates\n"
3246 "       // on that luxel, and NOT to its center, because recursive triangle subdivision is used\n"
3247 "       // to map the luxels to coordinates on the draw surfaces), which also causes\n"
3248 "       // deluxemaps to be wrong because light contributions from the wrong side of the surface\n"
3249 "       // are added up. To prevent divisions by zero or strong exaggerations, a max()\n"
3250 "       // nudge is done here at expense of some additional fps. This is ONLY needed for\n"
3251 "       // deluxemaps, tangentspace deluxemap avoid this problem by design.\n"
3252 "       lightcolor *= 1.0 / max(0.25, lightnormal.z);\n"
3253 "#endif // MODE_LIGHTDIRECTIONMAP_MODELSPACE\n"
3254 "#ifdef MODE_LIGHTDIRECTIONMAP_TANGENTSPACE\n"
3255 "#define SHADING\n"
3256 "       // deluxemap lightmapping using light vectors in tangentspace (hmap2 -light)\n"
3257 "       half3 lightnormal = half3(tex2D(Texture_Deluxemap, TexCoordLightmap)) * 2.0 + half3(-1.0, -1.0, -1.0);\n"
3258 "       half3 lightcolor = half3(tex2D(Texture_Lightmap, TexCoordLightmap));\n"
3259 "#endif\n"
3260 "\n"
3261 "\n"
3262 "\n"
3263 "\n"
3264 "#ifdef MODE_FAKELIGHT\n"
3265 "#define SHADING\n"
3266 "half3 lightnormal = half3(normalize(EyeVector));\n"
3267 "half3 lightcolor = half3(1.0);\n"
3268 "#endif // MODE_FAKELIGHT\n"
3269 "\n"
3270 "\n"
3271 "\n"
3272 "\n"
3273 "#ifdef MODE_LIGHTMAP\n"
3274 "       color.rgb = diffusetex * (Color_Ambient + half3(tex2D(Texture_Lightmap, TexCoordLightmap)) * Color_Diffuse);\n"
3275 "#endif // MODE_LIGHTMAP\n"
3276 "#ifdef MODE_VERTEXCOLOR\n"
3277 "       color.rgb = diffusetex * (Color_Ambient + half3(gl_FrontColor.rgb) * Color_Diffuse);\n"
3278 "#endif // MODE_VERTEXCOLOR\n"
3279 "#ifdef MODE_FLATCOLOR\n"
3280 "       color.rgb = diffusetex * Color_Ambient;\n"
3281 "#endif // MODE_FLATCOLOR\n"
3282 "\n"
3283 "\n"
3284 "\n"
3285 "\n"
3286 "#ifdef SHADING\n"
3287 "# ifdef USEDIFFUSE\n"
3288 "       half diffuse = half(max(float(dot(surfacenormal, lightnormal)), 0.0));\n"
3289 "#  ifdef USESPECULAR\n"
3290 "#   ifdef USEEXACTSPECULARMATH\n"
3291 "       half specular = pow(half(max(float(dot(reflect(lightnormal, surfacenormal), normalize(EyeVector)))*-1.0, 0.0)), SpecularPower * glosstex.a);\n"
3292 "#   else\n"
3293 "       half3 specularnormal = normalize(lightnormal + half3(normalize(EyeVector)));\n"
3294 "       half specular = pow(half(max(float(dot(surfacenormal, specularnormal)), 0.0)), SpecularPower * glosstex.a);\n"
3295 "#   endif\n"
3296 "       color.rgb = diffusetex * Color_Ambient + (diffusetex * Color_Diffuse * diffuse + glosstex.rgb * Color_Specular * specular) * lightcolor;\n"
3297 "#  else\n"
3298 "       color.rgb = diffusetex * (Color_Ambient + Color_Diffuse * diffuse * lightcolor);\n"
3299 "#  endif\n"
3300 "# else\n"
3301 "       color.rgb = diffusetex * Color_Ambient;\n"
3302 "# endif\n"
3303 "#endif\n"
3304 "\n"
3305 "#ifdef USESHADOWMAPORTHO\n"
3306 "       color.rgb *= ShadowMapCompare(ShadowMapTC,\n"
3307 "# if defined(USESHADOWMAP2D)\n"
3308 "Texture_ShadowMap2D, ShadowMap_Parameters, ShadowMap_TextureScale\n"
3309 "# endif\n"
3310 "# if defined(USESHADOWMAPRECT)\n"
3311 "Texture_ShadowMapRect, ShadowMap_Parameters\n"
3312 "# endif\n"
3313 "       );\n"
3314 "#endif\n"
3315 "\n"
3316 "#ifdef USEDEFERREDLIGHTMAP\n"
3317 "       float2 ScreenTexCoord = Pixel * PixelToScreenTexCoord;\n"
3318 "       color.rgb += diffusetex * half3(tex2D(Texture_ScreenDiffuse, ScreenTexCoord)) * DeferredMod_Diffuse;\n"
3319 "       color.rgb += glosstex.rgb * half3(tex2D(Texture_ScreenSpecular, ScreenTexCoord)) * DeferredMod_Specular;\n"
3320 "#endif\n"
3321 "\n"
3322 "#ifdef USEGLOW\n"
3323 "#ifdef USEVERTEXTEXTUREBLEND\n"
3324 "       color.rgb += lerp(half3(tex2D(Texture_SecondaryGlow, TexCoord2)), half3(tex2D(Texture_Glow, TexCoord)), terrainblend) * Color_Glow;\n"
3325 "#else\n"
3326 "       color.rgb += half3(tex2D(Texture_Glow, TexCoord)) * Color_Glow;\n"
3327 "#endif\n"
3328 "#endif\n"
3329 "\n"
3330 "#ifdef USEFOG\n"
3331 "       color.rgb = FogVertex(color.rgb, FogColor, EyeVectorModelSpaceFogPlaneVertexDist.xyz, EyeVectorModelSpaceFogPlaneVertexDist.w, FogRangeRecip, FogPlaneViewDist, FogHeightFade, Texture_FogMask, Texture_FogHeightTexture);\n"
3332 "#endif\n"
3333 "\n"
3334 "       // reflection must come last because it already contains exactly the correct fog (the reflection render preserves camera distance from the plane, it only flips the side) and ContrastBoost/SceneBrightness\n"
3335 "#ifdef USEREFLECTION\n"
3336 "       float4 ScreenScaleRefractReflectIW = ScreenScaleRefractReflect * (1.0 / ModelViewProjectionPosition.w);\n"
3337 "       //float4 ScreenTexCoord = (ModelViewProjectionPosition.xyxy + normalize(half3(tex2D(Texture_Normal, TexCoord)) - half3(0.5)).xyxy * DistortScaleRefractReflect * 100) * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect;\n"
3338 "       float2 SafeScreenTexCoord = ModelViewProjectionPosition.xy * ScreenScaleRefractReflectIW.zw + ScreenCenterRefractReflect.zw;\n"
3339 "       float2 ScreenTexCoord = SafeScreenTexCoord + float3(normalize(half3(tex2D(Texture_Normal, TexCoord)) - half3(0.5))).xy * DistortScaleRefractReflect.zw;\n"
3340 "       // FIXME temporary hack to detect the case that the reflection\n"
3341 "       // gets blackened at edges due to leaving the area that contains actual\n"
3342 "       // content.\n"
3343 "       // Remove this 'ack once we have a better way to stop this thing from\n"
3344 "       // 'appening.\n"
3345 "       float f = min(1.0, length(tex2D(Texture_Reflection, ScreenTexCoord + float2(0.01, 0.01)).rgb) / 0.05);\n"
3346 "       f      *= min(1.0, length(tex2D(Texture_Reflection, ScreenTexCoord + float2(0.01, -0.01)).rgb) / 0.05);\n"
3347 "       f      *= min(1.0, length(tex2D(Texture_Reflection, ScreenTexCoord + float2(-0.01, 0.01)).rgb) / 0.05);\n"
3348 "       f      *= min(1.0, length(tex2D(Texture_Reflection, ScreenTexCoord + float2(-0.01, -0.01)).rgb) / 0.05);\n"
3349 "       ScreenTexCoord = lerp(SafeScreenTexCoord, ScreenTexCoord, f);\n"
3350 "       color.rgb = lerp(color.rgb, half3(tex2D(Texture_Reflection, ScreenTexCoord)) * ReflectColor.rgb, ReflectColor.a);\n"
3351 "#endif\n"
3352 "\n"
3353 "       gl_FragColor = float4(color);\n"
3354 "}\n"
3355 "#endif // FRAGMENT_SHADER\n"
3356 "\n"
3357 "#endif // !MODE_DEFERREDLIGHTSOURCE\n"
3358 "#endif // !MODE_DEFERREDGEOMETRY\n"
3359 "#endif // !MODE_WATER\n"
3360 "#endif // !MODE_REFRACTION\n"
3361 "#endif // !MODE_BLOOMBLUR\n"
3362 "#endif // !MODE_GENERIC\n"
3363 "#endif // !MODE_POSTPROCESS\n"
3364 "#endif // !MODE_SHOWDEPTH\n"
3365 "#endif // !MODE_DEPTH_OR_SHADOW\n"
3366 ;
3367
3368 char *glslshaderstring = NULL;
3369 char *cgshaderstring = NULL;
3370
3371 //=======================================================================================================================================================
3372
3373 typedef struct shaderpermutationinfo_s
3374 {
3375         const char *pretext;
3376         const char *name;
3377 }
3378 shaderpermutationinfo_t;
3379
3380 typedef struct shadermodeinfo_s
3381 {
3382         const char *vertexfilename;
3383         const char *geometryfilename;
3384         const char *fragmentfilename;
3385         const char *pretext;
3386         const char *name;
3387 }
3388 shadermodeinfo_t;
3389
3390 typedef enum shaderpermutation_e
3391 {
3392         SHADERPERMUTATION_DIFFUSE = 1<<0, ///< (lightsource) whether to use directional shading
3393         SHADERPERMUTATION_VERTEXTEXTUREBLEND = 1<<1, ///< indicates this is a two-layer material blend based on vertex alpha (q3bsp)
3394         SHADERPERMUTATION_VIEWTINT = 1<<2, ///< view tint (postprocessing only)
3395         SHADERPERMUTATION_COLORMAPPING = 1<<3, ///< indicates this is a colormapped skin
3396         SHADERPERMUTATION_SATURATION = 1<<4, ///< saturation (postprocessing only)
3397         SHADERPERMUTATION_FOGINSIDE = 1<<5, ///< tint the color by fog color or black if using additive blend mode
3398         SHADERPERMUTATION_FOGOUTSIDE = 1<<6, ///< tint the color by fog color or black if using additive blend mode
3399         SHADERPERMUTATION_FOGHEIGHTTEXTURE = 1<<7, ///< fog color and density determined by texture mapped on vertical axis
3400         SHADERPERMUTATION_GAMMARAMPS = 1<<8, ///< gamma (postprocessing only)
3401         SHADERPERMUTATION_CUBEFILTER = 1<<9, ///< (lightsource) use cubemap light filter
3402         SHADERPERMUTATION_GLOW = 1<<10, ///< (lightmap) blend in an additive glow texture
3403         SHADERPERMUTATION_BLOOM = 1<<11, ///< bloom (postprocessing only)
3404         SHADERPERMUTATION_SPECULAR = 1<<12, ///< (lightsource or deluxemapping) render specular effects
3405         SHADERPERMUTATION_POSTPROCESSING = 1<<13, ///< user defined postprocessing (postprocessing only)
3406         SHADERPERMUTATION_REFLECTION = 1<<14, ///< normalmap-perturbed reflection of the scene infront of the surface, preformed as an overlay on the surface
3407         SHADERPERMUTATION_OFFSETMAPPING = 1<<15, ///< adjust texcoords to roughly simulate a displacement mapped surface
3408         SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING = 1<<16, ///< adjust texcoords to accurately simulate a displacement mapped surface (requires OFFSETMAPPING to also be set!)
3409         SHADERPERMUTATION_SHADOWMAPRECT = 1<<17, ///< (lightsource) use shadowmap rectangle texture as light filter
3410         SHADERPERMUTATION_SHADOWMAPCUBE = 1<<18, ///< (lightsource) use shadowmap cubemap texture as light filter
3411         SHADERPERMUTATION_SHADOWMAP2D = 1<<19, ///< (lightsource) use shadowmap rectangle texture as light filter
3412         SHADERPERMUTATION_SHADOWMAPPCF = 1<<20, ///< (lightsource) use percentage closer filtering on shadowmap test results
3413         SHADERPERMUTATION_SHADOWMAPPCF2 = 1<<21, ///< (lightsource) use higher quality percentage closer filtering on shadowmap test results
3414         SHADERPERMUTATION_SHADOWSAMPLER = 1<<22, ///< (lightsource) use hardware shadowmap test
3415         SHADERPERMUTATION_SHADOWMAPVSDCT = 1<<23, ///< (lightsource) use virtual shadow depth cube texture for shadowmap indexing
3416         SHADERPERMUTATION_SHADOWMAPORTHO = 1<<24, //< (lightsource) use orthographic shadowmap projection
3417         SHADERPERMUTATION_DEFERREDLIGHTMAP = 1<<25, ///< (lightmap) read Texture_ScreenDiffuse/Specular textures and add them on top of lightmapping
3418         SHADERPERMUTATION_ALPHAKILL = 1<<26, ///< (deferredgeometry) discard pixel if diffuse texture alpha below 0.5
3419         SHADERPERMUTATION_REFLECTCUBE = 1<<27, ///< fake reflections using global cubemap (not HDRI light probe)
3420         SHADERPERMUTATION_NORMALMAPSCROLLBLEND = 1<<28, // (water) counter-direction normalmaps scrolling
3421         SHADERPERMUTATION_LIMIT = 1<<29, ///< size of permutations array
3422         SHADERPERMUTATION_COUNT = 29 ///< size of shaderpermutationinfo array
3423 }
3424 shaderpermutation_t;
3425
3426 // NOTE: MUST MATCH ORDER OF SHADERPERMUTATION_* DEFINES!
3427 shaderpermutationinfo_t shaderpermutationinfo[SHADERPERMUTATION_COUNT] =
3428 {
3429         {"#define USEDIFFUSE\n", " diffuse"},
3430         {"#define USEVERTEXTEXTUREBLEND\n", " vertextextureblend"},
3431         {"#define USEVIEWTINT\n", " viewtint"},
3432         {"#define USECOLORMAPPING\n", " colormapping"},
3433         {"#define USESATURATION\n", " saturation"},
3434         {"#define USEFOGINSIDE\n", " foginside"},
3435         {"#define USEFOGOUTSIDE\n", " fogoutside"},
3436         {"#define USEFOGHEIGHTTEXTURE\n", " fogheighttexture"},
3437         {"#define USEGAMMARAMPS\n", " gammaramps"},
3438         {"#define USECUBEFILTER\n", " cubefilter"},
3439         {"#define USEGLOW\n", " glow"},
3440         {"#define USEBLOOM\n", " bloom"},
3441         {"#define USESPECULAR\n", " specular"},
3442         {"#define USEPOSTPROCESSING\n", " postprocessing"},
3443         {"#define USEREFLECTION\n", " reflection"},
3444         {"#define USEOFFSETMAPPING\n", " offsetmapping"},
3445         {"#define USEOFFSETMAPPING_RELIEFMAPPING\n", " reliefmapping"},
3446         {"#define USESHADOWMAPRECT\n", " shadowmaprect"},
3447         {"#define USESHADOWMAPCUBE\n", " shadowmapcube"},
3448         {"#define USESHADOWMAP2D\n", " shadowmap2d"},
3449         {"#define USESHADOWMAPPCF 1\n", " shadowmappcf"},
3450         {"#define USESHADOWMAPPCF 2\n", " shadowmappcf2"},
3451         {"#define USESHADOWSAMPLER\n", " shadowsampler"},
3452         {"#define USESHADOWMAPVSDCT\n", " shadowmapvsdct"},
3453         {"#define USESHADOWMAPORTHO\n", " shadowmaportho"},
3454         {"#define USEDEFERREDLIGHTMAP\n", " deferredlightmap"},
3455         {"#define USEALPHAKILL\n", " alphakill"},
3456         {"#define USEREFLECTCUBE\n", " reflectcube"},
3457         {"#define USENORMALMAPSCROLLBLEND\n", " normalmapscrollblend"},
3458 };
3459
3460 /// this enum is multiplied by SHADERPERMUTATION_MODEBASE
3461 typedef enum shadermode_e
3462 {
3463         SHADERMODE_GENERIC, ///< (particles/HUD/etc) vertex color, optionally multiplied by one texture
3464         SHADERMODE_POSTPROCESS, ///< postprocessing shader (r_glsl_postprocess)
3465         SHADERMODE_DEPTH_OR_SHADOW, ///< (depthfirst/shadows) vertex shader only
3466         SHADERMODE_FLATCOLOR, ///< (lightmap) modulate texture by uniform color (q1bsp, q3bsp)
3467         SHADERMODE_VERTEXCOLOR, ///< (lightmap) modulate texture by vertex colors (q3bsp)
3468         SHADERMODE_LIGHTMAP, ///< (lightmap) modulate texture by lightmap texture (q1bsp, q3bsp)
3469         SHADERMODE_FAKELIGHT, ///< (fakelight) modulate texture by "fake" lighting (no lightmaps, no nothing)
3470         SHADERMODE_LIGHTDIRECTIONMAP_MODELSPACE, ///< (lightmap) use directional pixel shading from texture containing modelspace light directions (q3bsp deluxemap)
3471         SHADERMODE_LIGHTDIRECTIONMAP_TANGENTSPACE, ///< (lightmap) use directional pixel shading from texture containing tangentspace light directions (q1bsp deluxemap)
3472         SHADERMODE_LIGHTDIRECTION, ///< (lightmap) use directional pixel shading from fixed light direction (q3bsp)
3473         SHADERMODE_LIGHTSOURCE, ///< (lightsource) use directional pixel shading from light source (rtlight)
3474         SHADERMODE_REFRACTION, ///< refract background (the material is rendered normally after this pass)
3475         SHADERMODE_WATER, ///< refract background and reflection (the material is rendered normally after this pass)
3476         SHADERMODE_SHOWDEPTH, ///< (debugging) renders depth as color
3477         SHADERMODE_DEFERREDGEOMETRY, ///< (deferred) render material properties to screenspace geometry buffers
3478         SHADERMODE_DEFERREDLIGHTSOURCE, ///< (deferred) use directional pixel shading from light source (rtlight) on screenspace geometry buffers
3479         SHADERMODE_COUNT
3480 }
3481 shadermode_t;
3482
3483 // NOTE: MUST MATCH ORDER OF SHADERMODE_* ENUMS!
3484 shadermodeinfo_t glslshadermodeinfo[SHADERMODE_COUNT] =
3485 {
3486         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_GENERIC\n", " generic"},
3487         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_POSTPROCESS\n", " postprocess"},
3488         {"glsl/default.glsl", NULL, NULL               , "#define MODE_DEPTH_OR_SHADOW\n", " depth/shadow"},
3489         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_FLATCOLOR\n", " flatcolor"},
3490         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_VERTEXCOLOR\n", " vertexcolor"},
3491         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_LIGHTMAP\n", " lightmap"},
3492         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_FAKELIGHT\n", " fakelight"},
3493         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_LIGHTDIRECTIONMAP_MODELSPACE\n", " lightdirectionmap_modelspace"},
3494         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_LIGHTDIRECTIONMAP_TANGENTSPACE\n", " lightdirectionmap_tangentspace"},
3495         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_LIGHTDIRECTION\n", " lightdirection"},
3496         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_LIGHTSOURCE\n", " lightsource"},
3497         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_REFRACTION\n", " refraction"},
3498         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_WATER\n", " water"},
3499         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_SHOWDEPTH\n", " showdepth"},
3500         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_DEFERREDGEOMETRY\n", " deferredgeometry"},
3501         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_DEFERREDLIGHTSOURCE\n", " deferredlightsource"},
3502 };
3503
3504 #ifdef SUPPORTCG
3505 shadermodeinfo_t cgshadermodeinfo[SHADERMODE_COUNT] =
3506 {
3507         {"cg/default.cg", NULL, "cg/default.cg", "#define MODE_GENERIC\n", " generic"},
3508         {"cg/default.cg", NULL, "cg/default.cg", "#define MODE_POSTPROCESS\n", " postprocess"},
3509         {"cg/default.cg", NULL, NULL           , "#define MODE_DEPTH_OR_SHADOW\n", " depth"},
3510         {"cg/default.cg", NULL, "cg/default.cg", "#define MODE_FLATCOLOR\n", " flatcolor"},
3511         {"cg/default.cg", NULL, "cg/default.cg", "#define MODE_VERTEXCOLOR\n", " vertexcolor"},
3512         {"cg/default.cg", NULL, "cg/default.cg", "#define MODE_LIGHTMAP\n", " lightmap"},
3513         {"cg/default.cg", NULL, "cg/default.cg", "#define MODE_FAKELIGHT\n", " fakelight"},
3514         {"cg/default.cg", NULL, "cg/default.cg", "#define MODE_LIGHTDIRECTIONMAP_MODELSPACE\n", " lightdirectionmap_modelspace"},
3515         {"cg/default.cg", NULL, "cg/default.cg", "#define MODE_LIGHTDIRECTIONMAP_TANGENTSPACE\n", " lightdirectionmap_tangentspace"},
3516         {"cg/default.cg", NULL, "cg/default.cg", "#define MODE_LIGHTDIRECTION\n", " lightdirection"},
3517         {"cg/default.cg", NULL, "cg/default.cg", "#define MODE_LIGHTSOURCE\n", " lightsource"},
3518         {"cg/default.cg", NULL, "cg/default.cg", "#define MODE_REFRACTION\n", " refraction"},
3519         {"cg/default.cg", NULL, "cg/default.cg", "#define MODE_WATER\n", " water"},
3520         {"cg/default.cg", NULL, "cg/default.cg", "#define MODE_SHOWDEPTH\n", " showdepth"},
3521         {"cg/default.cg", NULL, "cg/default.cg", "#define MODE_DEFERREDGEOMETRY\n", " deferredgeometry"},
3522         {"cg/default.cg", NULL, "cg/default.cg", "#define MODE_DEFERREDLIGHTSOURCE\n", " deferredlightsource"},
3523 };
3524 #endif
3525
3526 struct r_glsl_permutation_s;
3527 typedef struct r_glsl_permutation_s
3528 {
3529         /// hash lookup data
3530         struct r_glsl_permutation_s *hashnext;
3531         unsigned int mode;
3532         unsigned int permutation;
3533
3534         /// indicates if we have tried compiling this permutation already
3535         qboolean compiled;
3536         /// 0 if compilation failed
3537         int program;
3538         /// locations of detected uniforms in program object, or -1 if not found
3539         int loc_Texture_First;
3540         int loc_Texture_Second;
3541         int loc_Texture_GammaRamps;
3542         int loc_Texture_Normal;
3543         int loc_Texture_Color;
3544         int loc_Texture_Gloss;
3545         int loc_Texture_Glow;
3546         int loc_Texture_SecondaryNormal;
3547         int loc_Texture_SecondaryColor;
3548         int loc_Texture_SecondaryGloss;
3549         int loc_Texture_SecondaryGlow;
3550         int loc_Texture_Pants;
3551         int loc_Texture_Shirt;
3552         int loc_Texture_FogHeightTexture;
3553         int loc_Texture_FogMask;
3554         int loc_Texture_Lightmap;
3555         int loc_Texture_Deluxemap;
3556         int loc_Texture_Attenuation;
3557         int loc_Texture_Cube;
3558         int loc_Texture_Refraction;
3559         int loc_Texture_Reflection;
3560         int loc_Texture_ShadowMapRect;
3561         int loc_Texture_ShadowMapCube;
3562         int loc_Texture_ShadowMap2D;
3563         int loc_Texture_CubeProjection;
3564         int loc_Texture_ScreenDepth;
3565         int loc_Texture_ScreenNormalMap;
3566         int loc_Texture_ScreenDiffuse;
3567         int loc_Texture_ScreenSpecular;
3568         int loc_Texture_ReflectMask;
3569         int loc_Texture_ReflectCube;
3570         int loc_Alpha;
3571         int loc_BloomBlur_Parameters;
3572         int loc_ClientTime;
3573         int loc_Color_Ambient;
3574         int loc_Color_Diffuse;
3575         int loc_Color_Specular;
3576         int loc_Color_Glow;
3577         int loc_Color_Pants;
3578         int loc_Color_Shirt;
3579         int loc_DeferredColor_Ambient;
3580         int loc_DeferredColor_Diffuse;
3581         int loc_DeferredColor_Specular;
3582         int loc_DeferredMod_Diffuse;
3583         int loc_DeferredMod_Specular;
3584         int loc_DistortScaleRefractReflect;
3585         int loc_EyePosition;
3586         int loc_FogColor;
3587         int loc_FogHeightFade;
3588         int loc_FogPlane;
3589         int loc_FogPlaneViewDist;
3590         int loc_FogRangeRecip;
3591         int loc_LightColor;
3592         int loc_LightDir;
3593         int loc_LightPosition;
3594         int loc_OffsetMapping_Scale;
3595         int loc_PixelSize;
3596         int loc_ReflectColor;
3597         int loc_ReflectFactor;
3598         int loc_ReflectOffset;
3599         int loc_RefractColor;
3600         int loc_Saturation;
3601         int loc_ScreenCenterRefractReflect;
3602         int loc_ScreenScaleRefractReflect;
3603         int loc_ScreenToDepth;
3604         int loc_ShadowMap_Parameters;
3605         int loc_ShadowMap_TextureScale;
3606         int loc_SpecularPower;
3607         int loc_UserVec1;
3608         int loc_UserVec2;
3609         int loc_UserVec3;
3610         int loc_UserVec4;
3611         int loc_ViewTintColor;
3612         int loc_ViewToLight;
3613         int loc_ModelToLight;
3614         int loc_TexMatrix;
3615         int loc_BackgroundTexMatrix;
3616         int loc_ModelViewProjectionMatrix;
3617         int loc_ModelViewMatrix;
3618         int loc_PixelToScreenTexCoord;
3619         int loc_ModelToReflectCube;
3620         int loc_ShadowMapMatrix;
3621         int loc_NormalmapScrollBlend;
3622 }
3623 r_glsl_permutation_t;
3624
3625 #define SHADERPERMUTATION_HASHSIZE 256
3626
3627
3628 // non-degradable "lightweight" shader parameters to keep the permutations simpler
3629 // these can NOT degrade! only use for simple stuff
3630 enum
3631 {
3632         SHADERSTATICPARM_SATURATION_REDCOMPENSATE = 0, ///< red compensation filter for saturation
3633         SHADERSTATICPARM_EXACTSPECULARMATH = 1, ///< (lightsource or deluxemapping) use exact reflection map for specular effects, as opposed to the usual OpenGL approximation
3634 };
3635 #define SHADERSTATICPARMS_COUNT 2
3636
3637 static const char *shaderstaticparmstrings_list[SHADERSTATICPARMS_COUNT];
3638 static int shaderstaticparms_count = 0;
3639
3640 static unsigned int r_compileshader_staticparms[(SHADERSTATICPARMS_COUNT + 0x1F) >> 5] = {0};
3641 #define R_COMPILESHADER_STATICPARM_ENABLE(p) r_compileshader_staticparms[(p) >> 5] |= (1 << ((p) & 0x1F))
3642 qboolean R_CompileShader_CheckStaticParms(void)
3643 {
3644         static int r_compileshader_staticparms_save[1];
3645         memcpy(r_compileshader_staticparms_save, r_compileshader_staticparms, sizeof(r_compileshader_staticparms));
3646         memset(r_compileshader_staticparms, 0, sizeof(r_compileshader_staticparms));
3647
3648         // detect all
3649         if (r_glsl_saturation_redcompensate.integer)
3650                 R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_SATURATION_REDCOMPENSATE);
3651         if(r_shadow_glossexact.integer)
3652                 R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_EXACTSPECULARMATH);
3653
3654         return memcmp(r_compileshader_staticparms, r_compileshader_staticparms_save, sizeof(r_compileshader_staticparms));
3655 }
3656
3657 #define R_COMPILESHADER_STATICPARM_EMIT(p, n) \
3658         if(r_compileshader_staticparms[(p) >> 5] & (1 << ((p) & 0x1F))) \
3659                 shaderstaticparmstrings_list[shaderstaticparms_count++] = "#define " n "\n"; \
3660         else \
3661                 shaderstaticparmstrings_list[shaderstaticparms_count++] = "\n"
3662 void R_CompileShader_AddStaticParms(unsigned int mode, unsigned int permutation)
3663 {
3664         shaderstaticparms_count = 0;
3665
3666         // emit all
3667         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_SATURATION_REDCOMPENSATE, "SATURATION_REDCOMPENSATE");
3668         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_EXACTSPECULARMATH, "USEEXACTSPECULARMATH");
3669 }
3670
3671
3672 /// information about each possible shader permutation
3673 r_glsl_permutation_t *r_glsl_permutationhash[SHADERMODE_COUNT][SHADERPERMUTATION_HASHSIZE];
3674 /// currently selected permutation
3675 r_glsl_permutation_t *r_glsl_permutation;
3676 /// storage for permutations linked in the hash table
3677 memexpandablearray_t r_glsl_permutationarray;
3678
3679 static r_glsl_permutation_t *R_GLSL_FindPermutation(unsigned int mode, unsigned int permutation)
3680 {
3681         //unsigned int hashdepth = 0;
3682         unsigned int hashindex = (permutation * 0x1021) & (SHADERPERMUTATION_HASHSIZE - 1);
3683         r_glsl_permutation_t *p;
3684         for (p = r_glsl_permutationhash[mode][hashindex];p;p = p->hashnext)
3685         {
3686                 if (p->mode == mode && p->permutation == permutation)
3687                 {
3688                         //if (hashdepth > 10)
3689                         //      Con_Printf("R_GLSL_FindPermutation: Warning: %i:%i has hashdepth %i\n", mode, permutation, hashdepth);
3690                         return p;
3691                 }
3692                 //hashdepth++;
3693         }
3694         p = (r_glsl_permutation_t*)Mem_ExpandableArray_AllocRecord(&r_glsl_permutationarray);
3695         p->mode = mode;
3696         p->permutation = permutation;
3697         p->hashnext = r_glsl_permutationhash[mode][hashindex];
3698         r_glsl_permutationhash[mode][hashindex] = p;
3699         //if (hashdepth > 10)
3700         //      Con_Printf("R_GLSL_FindPermutation: Warning: %i:%i has hashdepth %i\n", mode, permutation, hashdepth);
3701         return p;
3702 }
3703
3704 static char *R_GLSL_GetText(const char *filename, qboolean printfromdisknotice)
3705 {
3706         char *shaderstring;
3707         if (!filename || !filename[0])
3708                 return NULL;
3709         if (!strcmp(filename, "glsl/default.glsl"))
3710         {
3711                 if (!glslshaderstring)
3712                 {
3713                         glslshaderstring = (char *)FS_LoadFile(filename, r_main_mempool, false, NULL);
3714                         if (glslshaderstring)
3715                                 Con_DPrintf("Loading shaders from file %s...\n", filename);
3716                         else
3717                                 glslshaderstring = (char *)builtinshaderstring;
3718                 }
3719                 shaderstring = (char *) Mem_Alloc(r_main_mempool, strlen(glslshaderstring) + 1);
3720                 memcpy(shaderstring, glslshaderstring, strlen(glslshaderstring) + 1);
3721                 return shaderstring;
3722         }
3723         shaderstring = (char *)FS_LoadFile(filename, r_main_mempool, false, NULL);
3724         if (shaderstring)
3725         {
3726                 if (printfromdisknotice)
3727                         Con_DPrintf("from disk %s... ", filename);
3728                 return shaderstring;
3729         }
3730         return shaderstring;
3731 }
3732
3733 static void R_GLSL_CompilePermutation(r_glsl_permutation_t *p, unsigned int mode, unsigned int permutation)
3734 {
3735         int i;
3736         shadermodeinfo_t *modeinfo = glslshadermodeinfo + mode;
3737         char *vertexstring, *geometrystring, *fragmentstring;
3738         char permutationname[256];
3739         int vertstrings_count = 0;
3740         int geomstrings_count = 0;
3741         int fragstrings_count = 0;
3742         const char *vertstrings_list[32+3+SHADERSTATICPARMS_COUNT+1];
3743         const char *geomstrings_list[32+3+SHADERSTATICPARMS_COUNT+1];
3744         const char *fragstrings_list[32+3+SHADERSTATICPARMS_COUNT+1];
3745
3746         if (p->compiled)
3747                 return;
3748         p->compiled = true;
3749         p->program = 0;
3750
3751         permutationname[0] = 0;
3752         vertexstring   = R_GLSL_GetText(modeinfo->vertexfilename, true);
3753         geometrystring = R_GLSL_GetText(modeinfo->geometryfilename, false);
3754         fragmentstring = R_GLSL_GetText(modeinfo->fragmentfilename, false);
3755
3756         strlcat(permutationname, modeinfo->vertexfilename, sizeof(permutationname));
3757
3758         // the first pretext is which type of shader to compile as
3759         // (later these will all be bound together as a program object)
3760         vertstrings_list[vertstrings_count++] = "#define VERTEX_SHADER\n";
3761         geomstrings_list[geomstrings_count++] = "#define GEOMETRY_SHADER\n";
3762         fragstrings_list[fragstrings_count++] = "#define FRAGMENT_SHADER\n";
3763
3764         // the second pretext is the mode (for example a light source)
3765         vertstrings_list[vertstrings_count++] = modeinfo->pretext;
3766         geomstrings_list[geomstrings_count++] = modeinfo->pretext;
3767         fragstrings_list[fragstrings_count++] = modeinfo->pretext;
3768         strlcat(permutationname, modeinfo->name, sizeof(permutationname));
3769
3770         // now add all the permutation pretexts
3771         for (i = 0;i < SHADERPERMUTATION_COUNT;i++)
3772         {
3773                 if (permutation & (1<<i))
3774                 {
3775                         vertstrings_list[vertstrings_count++] = shaderpermutationinfo[i].pretext;
3776                         geomstrings_list[geomstrings_count++] = shaderpermutationinfo[i].pretext;
3777                         fragstrings_list[fragstrings_count++] = shaderpermutationinfo[i].pretext;
3778                         strlcat(permutationname, shaderpermutationinfo[i].name, sizeof(permutationname));
3779                 }
3780                 else
3781                 {
3782                         // keep line numbers correct
3783                         vertstrings_list[vertstrings_count++] = "\n";
3784                         geomstrings_list[geomstrings_count++] = "\n";
3785                         fragstrings_list[fragstrings_count++] = "\n";
3786                 }
3787         }
3788
3789         // add static parms
3790         R_CompileShader_AddStaticParms(mode, permutation);
3791         memcpy(vertstrings_list + vertstrings_count, shaderstaticparmstrings_list, sizeof(*vertstrings_list) * shaderstaticparms_count);
3792         vertstrings_count += shaderstaticparms_count;
3793         memcpy(geomstrings_list + geomstrings_count, shaderstaticparmstrings_list, sizeof(*vertstrings_list) * shaderstaticparms_count);
3794         geomstrings_count += shaderstaticparms_count;
3795         memcpy(fragstrings_list + fragstrings_count, shaderstaticparmstrings_list, sizeof(*vertstrings_list) * shaderstaticparms_count);
3796         fragstrings_count += shaderstaticparms_count;
3797
3798         // now append the shader text itself
3799         vertstrings_list[vertstrings_count++] = vertexstring;
3800         geomstrings_list[geomstrings_count++] = geometrystring;
3801         fragstrings_list[fragstrings_count++] = fragmentstring;
3802
3803         // if any sources were NULL, clear the respective list
3804         if (!vertexstring)
3805                 vertstrings_count = 0;
3806         if (!geometrystring)
3807                 geomstrings_count = 0;
3808         if (!fragmentstring)
3809                 fragstrings_count = 0;
3810
3811         // compile the shader program
3812         if (vertstrings_count + geomstrings_count + fragstrings_count)
3813                 p->program = GL_Backend_CompileProgram(vertstrings_count, vertstrings_list, geomstrings_count, geomstrings_list, fragstrings_count, fragstrings_list);
3814         if (p->program)
3815         {
3816                 CHECKGLERROR
3817                 qglUseProgramObjectARB(p->program);CHECKGLERROR
3818                 // look up all the uniform variable names we care about, so we don't
3819                 // have to look them up every time we set them
3820
3821                 p->loc_Texture_First              = qglGetUniformLocationARB(p->program, "Texture_First");
3822                 p->loc_Texture_Second             = qglGetUniformLocationARB(p->program, "Texture_Second");
3823                 p->loc_Texture_GammaRamps         = qglGetUniformLocationARB(p->program, "Texture_GammaRamps");
3824                 p->loc_Texture_Normal             = qglGetUniformLocationARB(p->program, "Texture_Normal");
3825                 p->loc_Texture_Color              = qglGetUniformLocationARB(p->program, "Texture_Color");
3826                 p->loc_Texture_Gloss              = qglGetUniformLocationARB(p->program, "Texture_Gloss");
3827                 p->loc_Texture_Glow               = qglGetUniformLocationARB(p->program, "Texture_Glow");
3828                 p->loc_Texture_SecondaryNormal    = qglGetUniformLocationARB(p->program, "Texture_SecondaryNormal");
3829                 p->loc_Texture_SecondaryColor     = qglGetUniformLocationARB(p->program, "Texture_SecondaryColor");
3830                 p->loc_Texture_SecondaryGloss     = qglGetUniformLocationARB(p->program, "Texture_SecondaryGloss");
3831                 p->loc_Texture_SecondaryGlow      = qglGetUniformLocationARB(p->program, "Texture_SecondaryGlow");
3832                 p->loc_Texture_Pants              = qglGetUniformLocationARB(p->program, "Texture_Pants");
3833                 p->loc_Texture_Shirt              = qglGetUniformLocationARB(p->program, "Texture_Shirt");
3834                 p->loc_Texture_FogHeightTexture   = qglGetUniformLocationARB(p->program, "Texture_FogHeightTexture");
3835                 p->loc_Texture_FogMask            = qglGetUniformLocationARB(p->program, "Texture_FogMask");
3836                 p->loc_Texture_Lightmap           = qglGetUniformLocationARB(p->program, "Texture_Lightmap");
3837                 p->loc_Texture_Deluxemap          = qglGetUniformLocationARB(p->program, "Texture_Deluxemap");
3838                 p->loc_Texture_Attenuation        = qglGetUniformLocationARB(p->program, "Texture_Attenuation");
3839                 p->loc_Texture_Cube               = qglGetUniformLocationARB(p->program, "Texture_Cube");
3840                 p->loc_Texture_Refraction         = qglGetUniformLocationARB(p->program, "Texture_Refraction");
3841                 p->loc_Texture_Reflection         = qglGetUniformLocationARB(p->program, "Texture_Reflection");
3842                 p->loc_Texture_ShadowMapRect      = qglGetUniformLocationARB(p->program, "Texture_ShadowMapRect");
3843                 p->loc_Texture_ShadowMapCube      = qglGetUniformLocationARB(p->program, "Texture_ShadowMapCube");
3844                 p->loc_Texture_ShadowMap2D        = qglGetUniformLocationARB(p->program, "Texture_ShadowMap2D");
3845                 p->loc_Texture_CubeProjection     = qglGetUniformLocationARB(p->program, "Texture_CubeProjection");
3846                 p->loc_Texture_ScreenDepth        = qglGetUniformLocationARB(p->program, "Texture_ScreenDepth");
3847                 p->loc_Texture_ScreenNormalMap    = qglGetUniformLocationARB(p->program, "Texture_ScreenNormalMap");
3848                 p->loc_Texture_ScreenDiffuse      = qglGetUniformLocationARB(p->program, "Texture_ScreenDiffuse");
3849                 p->loc_Texture_ScreenSpecular     = qglGetUniformLocationARB(p->program, "Texture_ScreenSpecular");
3850                 p->loc_Texture_ReflectMask        = qglGetUniformLocationARB(p->program, "Texture_ReflectMask");
3851                 p->loc_Texture_ReflectCube        = qglGetUniformLocationARB(p->program, "Texture_ReflectCube");
3852                 p->loc_Alpha                      = qglGetUniformLocationARB(p->program, "Alpha");
3853                 p->loc_BloomBlur_Parameters       = qglGetUniformLocationARB(p->program, "BloomBlur_Parameters");
3854                 p->loc_ClientTime                 = qglGetUniformLocationARB(p->program, "ClientTime");
3855                 p->loc_Color_Ambient              = qglGetUniformLocationARB(p->program, "Color_Ambient");
3856                 p->loc_Color_Diffuse              = qglGetUniformLocationARB(p->program, "Color_Diffuse");
3857                 p->loc_Color_Specular             = qglGetUniformLocationARB(p->program, "Color_Specular");
3858                 p->loc_Color_Glow                 = qglGetUniformLocationARB(p->program, "Color_Glow");
3859                 p->loc_Color_Pants                = qglGetUniformLocationARB(p->program, "Color_Pants");
3860                 p->loc_Color_Shirt                = qglGetUniformLocationARB(p->program, "Color_Shirt");
3861                 p->loc_DeferredColor_Ambient      = qglGetUniformLocationARB(p->program, "DeferredColor_Ambient");
3862                 p->loc_DeferredColor_Diffuse      = qglGetUniformLocationARB(p->program, "DeferredColor_Diffuse");
3863                 p->loc_DeferredColor_Specular     = qglGetUniformLocationARB(p->program, "DeferredColor_Specular");
3864                 p->loc_DeferredMod_Diffuse        = qglGetUniformLocationARB(p->program, "DeferredMod_Diffuse");
3865                 p->loc_DeferredMod_Specular       = qglGetUniformLocationARB(p->program, "DeferredMod_Specular");
3866                 p->loc_DistortScaleRefractReflect = qglGetUniformLocationARB(p->program, "DistortScaleRefractReflect");
3867                 p->loc_EyePosition                = qglGetUniformLocationARB(p->program, "EyePosition");
3868                 p->loc_FogColor                   = qglGetUniformLocationARB(p->program, "FogColor");
3869                 p->loc_FogHeightFade              = qglGetUniformLocationARB(p->program, "FogHeightFade");
3870                 p->loc_FogPlane                   = qglGetUniformLocationARB(p->program, "FogPlane");
3871                 p->loc_FogPlaneViewDist           = qglGetUniformLocationARB(p->program, "FogPlaneViewDist");
3872                 p->loc_FogRangeRecip              = qglGetUniformLocationARB(p->program, "FogRangeRecip");
3873                 p->loc_LightColor                 = qglGetUniformLocationARB(p->program, "LightColor");
3874                 p->loc_LightDir                   = qglGetUniformLocationARB(p->program, "LightDir");
3875                 p->loc_LightPosition              = qglGetUniformLocationARB(p->program, "LightPosition");
3876                 p->loc_OffsetMapping_Scale        = qglGetUniformLocationARB(p->program, "OffsetMapping_Scale");
3877                 p->loc_PixelSize                  = qglGetUniformLocationARB(p->program, "PixelSize");
3878                 p->loc_ReflectColor               = qglGetUniformLocationARB(p->program, "ReflectColor");
3879                 p->loc_ReflectFactor              = qglGetUniformLocationARB(p->program, "ReflectFactor");
3880                 p->loc_ReflectOffset              = qglGetUniformLocationARB(p->program, "ReflectOffset");
3881                 p->loc_RefractColor               = qglGetUniformLocationARB(p->program, "RefractColor");
3882                 p->loc_Saturation                 = qglGetUniformLocationARB(p->program, "Saturation");
3883                 p->loc_ScreenCenterRefractReflect = qglGetUniformLocationARB(p->program, "ScreenCenterRefractReflect");
3884                 p->loc_ScreenScaleRefractReflect  = qglGetUniformLocationARB(p->program, "ScreenScaleRefractReflect");
3885                 p->loc_ScreenToDepth              = qglGetUniformLocationARB(p->program, "ScreenToDepth");
3886                 p->loc_ShadowMap_Parameters       = qglGetUniformLocationARB(p->program, "ShadowMap_Parameters");
3887                 p->loc_ShadowMap_TextureScale     = qglGetUniformLocationARB(p->program, "ShadowMap_TextureScale");
3888                 p->loc_SpecularPower              = qglGetUniformLocationARB(p->program, "SpecularPower");
3889                 p->loc_UserVec1                   = qglGetUniformLocationARB(p->program, "UserVec1");
3890                 p->loc_UserVec2                   = qglGetUniformLocationARB(p->program, "UserVec2");
3891                 p->loc_UserVec3                   = qglGetUniformLocationARB(p->program, "UserVec3");
3892                 p->loc_UserVec4                   = qglGetUniformLocationARB(p->program, "UserVec4");
3893                 p->loc_ViewTintColor              = qglGetUniformLocationARB(p->program, "ViewTintColor");
3894                 p->loc_ViewToLight                = qglGetUniformLocationARB(p->program, "ViewToLight");
3895                 p->loc_ModelToLight               = qglGetUniformLocationARB(p->program, "ModelToLight");
3896                 p->loc_TexMatrix                  = qglGetUniformLocationARB(p->program, "TexMatrix");
3897                 p->loc_BackgroundTexMatrix        = qglGetUniformLocationARB(p->program, "BackgroundTexMatrix");
3898                 p->loc_ModelViewMatrix            = qglGetUniformLocationARB(p->program, "ModelViewMatrix");
3899                 p->loc_ModelViewProjectionMatrix  = qglGetUniformLocationARB(p->program, "ModelViewProjectionMatrix");
3900                 p->loc_PixelToScreenTexCoord      = qglGetUniformLocationARB(p->program, "PixelToScreenTexCoord");
3901                 p->loc_ModelToReflectCube         = qglGetUniformLocationARB(p->program, "ModelToReflectCube");
3902                 p->loc_ShadowMapMatrix            = qglGetUniformLocationARB(p->program, "ShadowMapMatrix");
3903                 p->loc_NormalmapScrollBlend       = qglGetUniformLocationARB(p->program, "NormalmapScrollBlend");
3904                 // initialize the samplers to refer to the texture units we use
3905                 if (p->loc_Texture_First           >= 0) qglUniform1iARB(p->loc_Texture_First          , GL20TU_FIRST);
3906                 if (p->loc_Texture_Second          >= 0) qglUniform1iARB(p->loc_Texture_Second         , GL20TU_SECOND);
3907                 if (p->loc_Texture_GammaRamps      >= 0) qglUniform1iARB(p->loc_Texture_GammaRamps     , GL20TU_GAMMARAMPS);
3908                 if (p->loc_Texture_Normal          >= 0) qglUniform1iARB(p->loc_Texture_Normal         , GL20TU_NORMAL);
3909                 if (p->loc_Texture_Color           >= 0) qglUniform1iARB(p->loc_Texture_Color          , GL20TU_COLOR);
3910                 if (p->loc_Texture_Gloss           >= 0) qglUniform1iARB(p->loc_Texture_Gloss          , GL20TU_GLOSS);
3911                 if (p->loc_Texture_Glow            >= 0) qglUniform1iARB(p->loc_Texture_Glow           , GL20TU_GLOW);
3912                 if (p->loc_Texture_SecondaryNormal >= 0) qglUniform1iARB(p->loc_Texture_SecondaryNormal, GL20TU_SECONDARY_NORMAL);
3913                 if (p->loc_Texture_SecondaryColor  >= 0) qglUniform1iARB(p->loc_Texture_SecondaryColor , GL20TU_SECONDARY_COLOR);
3914                 if (p->loc_Texture_SecondaryGloss  >= 0) qglUniform1iARB(p->loc_Texture_SecondaryGloss , GL20TU_SECONDARY_GLOSS);
3915                 if (p->loc_Texture_SecondaryGlow   >= 0) qglUniform1iARB(p->loc_Texture_SecondaryGlow  , GL20TU_SECONDARY_GLOW);
3916                 if (p->loc_Texture_Pants           >= 0) qglUniform1iARB(p->loc_Texture_Pants          , GL20TU_PANTS);
3917                 if (p->loc_Texture_Shirt           >= 0) qglUniform1iARB(p->loc_Texture_Shirt          , GL20TU_SHIRT);
3918                 if (p->loc_Texture_FogHeightTexture>= 0) qglUniform1iARB(p->loc_Texture_FogHeightTexture, GL20TU_FOGHEIGHTTEXTURE);
3919                 if (p->loc_Texture_FogMask         >= 0) qglUniform1iARB(p->loc_Texture_FogMask        , GL20TU_FOGMASK);
3920                 if (p->loc_Texture_Lightmap        >= 0) qglUniform1iARB(p->loc_Texture_Lightmap       , GL20TU_LIGHTMAP);
3921                 if (p->loc_Texture_Deluxemap       >= 0) qglUniform1iARB(p->loc_Texture_Deluxemap      , GL20TU_DELUXEMAP);
3922                 if (p->loc_Texture_Attenuation     >= 0) qglUniform1iARB(p->loc_Texture_Attenuation    , GL20TU_ATTENUATION);
3923                 if (p->loc_Texture_Cube            >= 0) qglUniform1iARB(p->loc_Texture_Cube           , GL20TU_CUBE);
3924                 if (p->loc_Texture_Refraction      >= 0) qglUniform1iARB(p->loc_Texture_Refraction     , GL20TU_REFRACTION);
3925                 if (p->loc_Texture_Reflection      >= 0) qglUniform1iARB(p->loc_Texture_Reflection     , GL20TU_REFLECTION);
3926                 if (p->loc_Texture_ShadowMapRect   >= 0) qglUniform1iARB(p->loc_Texture_ShadowMapRect  , permutation & SHADERPERMUTATION_SHADOWMAPORTHO ? GL20TU_SHADOWMAPORTHORECT : GL20TU_SHADOWMAPRECT);
3927                 if (p->loc_Texture_ShadowMapCube   >= 0) qglUniform1iARB(p->loc_Texture_ShadowMapCube  , GL20TU_SHADOWMAPCUBE);
3928                 if (p->loc_Texture_ShadowMap2D     >= 0) qglUniform1iARB(p->loc_Texture_ShadowMap2D    , permutation & SHADERPERMUTATION_SHADOWMAPORTHO ? GL20TU_SHADOWMAPORTHO2D : GL20TU_SHADOWMAP2D);
3929                 if (p->loc_Texture_CubeProjection  >= 0) qglUniform1iARB(p->loc_Texture_CubeProjection , GL20TU_CUBEPROJECTION);
3930                 if (p->loc_Texture_ScreenDepth     >= 0) qglUniform1iARB(p->loc_Texture_ScreenDepth    , GL20TU_SCREENDEPTH);
3931                 if (p->loc_Texture_ScreenNormalMap >= 0) qglUniform1iARB(p->loc_Texture_ScreenNormalMap, GL20TU_SCREENNORMALMAP);
3932                 if (p->loc_Texture_ScreenDiffuse   >= 0) qglUniform1iARB(p->loc_Texture_ScreenDiffuse  , GL20TU_SCREENDIFFUSE);
3933                 if (p->loc_Texture_ScreenSpecular  >= 0) qglUniform1iARB(p->loc_Texture_ScreenSpecular , GL20TU_SCREENSPECULAR);
3934                 if (p->loc_Texture_ReflectMask     >= 0) qglUniform1iARB(p->loc_Texture_ReflectMask    , GL20TU_REFLECTMASK);
3935                 if (p->loc_Texture_ReflectCube     >= 0) qglUniform1iARB(p->loc_Texture_ReflectCube    , GL20TU_REFLECTCUBE);
3936                 CHECKGLERROR
3937                 Con_DPrintf("^5GLSL shader %s compiled.\n", permutationname);
3938         }
3939         else
3940                 Con_Printf("^1GLSL shader %s failed!  some features may not work properly.\n", permutationname);
3941
3942         // free the strings
3943         if (vertexstring)
3944                 Mem_Free(vertexstring);
3945         if (geometrystring)
3946                 Mem_Free(geometrystring);
3947         if (fragmentstring)
3948                 Mem_Free(fragmentstring);
3949 }
3950
3951 void R_SetupShader_SetPermutationGLSL(unsigned int mode, unsigned int permutation)
3952 {
3953         r_glsl_permutation_t *perm = R_GLSL_FindPermutation(mode, permutation);
3954         if (r_glsl_permutation != perm)
3955         {
3956                 r_glsl_permutation = perm;
3957                 if (!r_glsl_permutation->program)
3958                 {
3959                         if (!r_glsl_permutation->compiled)
3960                                 R_GLSL_CompilePermutation(perm, mode, permutation);
3961                         if (!r_glsl_permutation->program)
3962                         {
3963                                 // remove features until we find a valid permutation
3964                                 int i;
3965                                 for (i = 0;i < SHADERPERMUTATION_COUNT;i++)
3966                                 {
3967                                         // reduce i more quickly whenever it would not remove any bits
3968                                         int j = 1<<(SHADERPERMUTATION_COUNT-1-i);
3969                                         if (!(permutation & j))
3970                                                 continue;
3971                                         permutation -= j;
3972                                         r_glsl_permutation = R_GLSL_FindPermutation(mode, permutation);
3973                                         if (!r_glsl_permutation->compiled)
3974                                                 R_GLSL_CompilePermutation(perm, mode, permutation);
3975                                         if (r_glsl_permutation->program)
3976                                                 break;
3977                                 }
3978                                 if (i >= SHADERPERMUTATION_COUNT)
3979                                 {
3980                                         //Con_Printf("Could not find a working OpenGL 2.0 shader for permutation %s %s\n", shadermodeinfo[mode].vertexfilename, shadermodeinfo[mode].pretext);
3981                                         r_glsl_permutation = R_GLSL_FindPermutation(mode, permutation);
3982                                         qglUseProgramObjectARB(0);CHECKGLERROR
3983                                         return; // no bit left to clear, entire mode is broken
3984                                 }
3985                         }
3986                 }
3987                 CHECKGLERROR
3988                 qglUseProgramObjectARB(r_glsl_permutation->program);CHECKGLERROR
3989         }
3990         if (r_glsl_permutation->loc_ModelViewProjectionMatrix >= 0) qglUniformMatrix4fvARB(r_glsl_permutation->loc_ModelViewProjectionMatrix, 1, false, gl_modelviewprojection16f);
3991         if (r_glsl_permutation->loc_ModelViewMatrix >= 0) qglUniformMatrix4fvARB(r_glsl_permutation->loc_ModelViewMatrix, 1, false, gl_modelview16f);
3992         if (r_glsl_permutation->loc_ClientTime >= 0) qglUniform1fARB(r_glsl_permutation->loc_ClientTime, cl.time);
3993 }
3994
3995 #ifdef SUPPORTCG
3996 #include <Cg/cgGL.h>
3997 struct r_cg_permutation_s;
3998 typedef struct r_cg_permutation_s
3999 {
4000         /// hash lookup data
4001         struct r_cg_permutation_s *hashnext;
4002         unsigned int mode;
4003         unsigned int permutation;
4004
4005         /// indicates if we have tried compiling this permutation already
4006         qboolean compiled;
4007         /// 0 if compilation failed
4008         CGprogram vprogram;
4009         CGprogram fprogram;
4010         /// locations of detected parameters in programs, or NULL if not found
4011         CGparameter vp_EyePosition;
4012         CGparameter vp_FogPlane;
4013         CGparameter vp_LightDir;
4014         CGparameter vp_LightPosition;
4015         CGparameter vp_ModelToLight;
4016         CGparameter vp_TexMatrix;
4017         CGparameter vp_BackgroundTexMatrix;
4018         CGparameter vp_ModelViewProjectionMatrix;
4019         CGparameter vp_ModelViewMatrix;
4020         CGparameter vp_ShadowMapMatrix;
4021
4022         CGparameter fp_Texture_First;
4023         CGparameter fp_Texture_Second;
4024         CGparameter fp_Texture_GammaRamps;
4025         CGparameter fp_Texture_Normal;
4026         CGparameter fp_Texture_Color;
4027         CGparameter fp_Texture_Gloss;
4028         CGparameter fp_Texture_Glow;
4029         CGparameter fp_Texture_SecondaryNormal;
4030         CGparameter fp_Texture_SecondaryColor;
4031         CGparameter fp_Texture_SecondaryGloss;
4032         CGparameter fp_Texture_SecondaryGlow;
4033         CGparameter fp_Texture_Pants;
4034         CGparameter fp_Texture_Shirt;
4035         CGparameter fp_Texture_FogHeightTexture;
4036         CGparameter fp_Texture_FogMask;
4037         CGparameter fp_Texture_Lightmap;
4038         CGparameter fp_Texture_Deluxemap;
4039         CGparameter fp_Texture_Attenuation;
4040         CGparameter fp_Texture_Cube;
4041         CGparameter fp_Texture_Refraction;
4042         CGparameter fp_Texture_Reflection;
4043         CGparameter fp_Texture_ShadowMapRect;
4044         CGparameter fp_Texture_ShadowMapCube;
4045         CGparameter fp_Texture_ShadowMap2D;
4046         CGparameter fp_Texture_CubeProjection;
4047         CGparameter fp_Texture_ScreenDepth;
4048         CGparameter fp_Texture_ScreenNormalMap;
4049         CGparameter fp_Texture_ScreenDiffuse;
4050         CGparameter fp_Texture_ScreenSpecular;
4051         CGparameter fp_Texture_ReflectMask;
4052         CGparameter fp_Texture_ReflectCube;
4053         CGparameter fp_Alpha;
4054         CGparameter fp_BloomBlur_Parameters;
4055         CGparameter fp_ClientTime;
4056         CGparameter fp_Color_Ambient;
4057         CGparameter fp_Color_Diffuse;
4058         CGparameter fp_Color_Specular;
4059         CGparameter fp_Color_Glow;
4060         CGparameter fp_Color_Pants;
4061         CGparameter fp_Color_Shirt;
4062         CGparameter fp_DeferredColor_Ambient;
4063         CGparameter fp_DeferredColor_Diffuse;
4064         CGparameter fp_DeferredColor_Specular;
4065         CGparameter fp_DeferredMod_Diffuse;
4066         CGparameter fp_DeferredMod_Specular;
4067         CGparameter fp_DistortScaleRefractReflect;
4068         CGparameter fp_EyePosition;
4069         CGparameter fp_FogColor;
4070         CGparameter fp_FogHeightFade;
4071         CGparameter fp_FogPlane;
4072         CGparameter fp_FogPlaneViewDist;
4073         CGparameter fp_FogRangeRecip;
4074         CGparameter fp_LightColor;
4075         CGparameter fp_LightDir;
4076         CGparameter fp_LightPosition;
4077         CGparameter fp_OffsetMapping_Scale;
4078         CGparameter fp_PixelSize;
4079         CGparameter fp_ReflectColor;
4080         CGparameter fp_ReflectFactor;
4081         CGparameter fp_ReflectOffset;
4082         CGparameter fp_RefractColor;
4083         CGparameter fp_Saturation;
4084         CGparameter fp_ScreenCenterRefractReflect;
4085         CGparameter fp_ScreenScaleRefractReflect;
4086         CGparameter fp_ScreenToDepth;
4087         CGparameter fp_ShadowMap_Parameters;
4088         CGparameter fp_ShadowMap_TextureScale;
4089         CGparameter fp_SpecularPower;
4090         CGparameter fp_UserVec1;
4091         CGparameter fp_UserVec2;
4092         CGparameter fp_UserVec3;
4093         CGparameter fp_UserVec4;
4094         CGparameter fp_ViewTintColor;
4095         CGparameter fp_ViewToLight;
4096         CGparameter fp_PixelToScreenTexCoord;
4097         CGparameter fp_ModelToReflectCube;
4098         CGparameter fp_NormalmapScrollBlend;
4099 }
4100 r_cg_permutation_t;
4101
4102 /// information about each possible shader permutation
4103 r_cg_permutation_t *r_cg_permutationhash[SHADERMODE_COUNT][SHADERPERMUTATION_HASHSIZE];
4104 /// currently selected permutation
4105 r_cg_permutation_t *r_cg_permutation;
4106 /// storage for permutations linked in the hash table
4107 memexpandablearray_t r_cg_permutationarray;
4108
4109 #define CHECKCGERROR {CGerror err = cgGetError(), err2 = err;if (err){Con_Printf("%s:%i CG error %i: %s : %s\n", __FILE__, __LINE__, err, cgGetErrorString(err), cgGetLastErrorString(&err2));if (err == 1) Con_Printf("last listing:\n%s\n", cgGetLastListing(vid.cgcontext));}}
4110
4111 static r_cg_permutation_t *R_CG_FindPermutation(unsigned int mode, unsigned int permutation)
4112 {
4113         //unsigned int hashdepth = 0;
4114         unsigned int hashindex = (permutation * 0x1021) & (SHADERPERMUTATION_HASHSIZE - 1);
4115         r_cg_permutation_t *p;
4116         for (p = r_cg_permutationhash[mode][hashindex];p;p = p->hashnext)
4117         {
4118                 if (p->mode == mode && p->permutation == permutation)
4119                 {
4120                         //if (hashdepth > 10)
4121                         //      Con_Printf("R_CG_FindPermutation: Warning: %i:%i has hashdepth %i\n", mode, permutation, hashdepth);
4122                         return p;
4123                 }
4124                 //hashdepth++;
4125         }
4126         p = (r_cg_permutation_t*)Mem_ExpandableArray_AllocRecord(&r_cg_permutationarray);
4127         p->mode = mode;
4128         p->permutation = permutation;
4129         p->hashnext = r_cg_permutationhash[mode][hashindex];
4130         r_cg_permutationhash[mode][hashindex] = p;
4131         //if (hashdepth > 10)
4132         //      Con_Printf("R_CG_FindPermutation: Warning: %i:%i has hashdepth %i\n", mode, permutation, hashdepth);
4133         return p;
4134 }
4135
4136 static char *R_CG_GetText(const char *filename, qboolean printfromdisknotice)
4137 {
4138         char *shaderstring;
4139         if (!filename || !filename[0])
4140                 return NULL;
4141         if (!strcmp(filename, "cg/default.cg"))
4142         {
4143                 if (!cgshaderstring)
4144                 {
4145                         cgshaderstring = (char *)FS_LoadFile(filename, r_main_mempool, false, NULL);
4146                         if (cgshaderstring)
4147                                 Con_DPrintf("Loading shaders from file %s...\n", filename);
4148                         else
4149                                 cgshaderstring = (char *)builtincgshaderstring;
4150                 }
4151                 shaderstring = (char *) Mem_Alloc(r_main_mempool, strlen(cgshaderstring) + 1);
4152                 memcpy(shaderstring, cgshaderstring, strlen(cgshaderstring) + 1);
4153                 return shaderstring;
4154         }
4155         shaderstring = (char *)FS_LoadFile(filename, r_main_mempool, false, NULL);
4156         if (shaderstring)
4157         {
4158                 if (printfromdisknotice)
4159                         Con_DPrintf("from disk %s... ", filename);
4160                 return shaderstring;
4161         }
4162         return shaderstring;
4163 }
4164
4165 static void R_CG_CacheShader(r_cg_permutation_t *p, const char *cachename, const char *vertstring, const char *fragstring)
4166 {
4167         // TODO: load or create .fp and .vp shader files
4168 }
4169
4170 static void R_CG_CompilePermutation(r_cg_permutation_t *p, unsigned int mode, unsigned int permutation)
4171 {
4172         int i;
4173         shadermodeinfo_t *modeinfo = cgshadermodeinfo + mode;
4174         int vertstring_length = 0;
4175         int geomstring_length = 0;
4176         int fragstring_length = 0;
4177         char *t;
4178         char *vertexstring, *geometrystring, *fragmentstring;
4179         char *vertstring, *geomstring, *fragstring;
4180         char permutationname[256];
4181         char cachename[256];
4182         CGprofile vertexProfile;
4183         CGprofile fragmentProfile;
4184         int vertstrings_count = 0;
4185         int geomstrings_count = 0;
4186         int fragstrings_count = 0;
4187         const char *vertstrings_list[32+3+SHADERSTATICPARMS_COUNT+1];
4188         const char *geomstrings_list[32+3+SHADERSTATICPARMS_COUNT+1];
4189         const char *fragstrings_list[32+3+SHADERSTATICPARMS_COUNT+1];
4190
4191         if (p->compiled)
4192                 return;
4193         p->compiled = true;
4194         p->vprogram = NULL;
4195         p->fprogram = NULL;
4196
4197         permutationname[0] = 0;
4198         cachename[0] = 0;
4199         vertexstring   = R_CG_GetText(modeinfo->vertexfilename, true);
4200         geometrystring = R_CG_GetText(modeinfo->geometryfilename, false);
4201         fragmentstring = R_CG_GetText(modeinfo->fragmentfilename, false);
4202
4203         strlcat(permutationname, modeinfo->vertexfilename, sizeof(permutationname));
4204         strlcat(cachename, "cg/", sizeof(cachename));
4205
4206         // the first pretext is which type of shader to compile as
4207         // (later these will all be bound together as a program object)
4208         vertstrings_list[vertstrings_count++] = "#define VERTEX_SHADER\n";
4209         geomstrings_list[geomstrings_count++] = "#define GEOMETRY_SHADER\n";
4210         fragstrings_list[fragstrings_count++] = "#define FRAGMENT_SHADER\n";
4211
4212         // the second pretext is the mode (for example a light source)
4213         vertstrings_list[vertstrings_count++] = modeinfo->pretext;
4214         geomstrings_list[geomstrings_count++] = modeinfo->pretext;
4215         fragstrings_list[fragstrings_count++] = modeinfo->pretext;
4216         strlcat(permutationname, modeinfo->name, sizeof(permutationname));
4217         strlcat(cachename, modeinfo->name, sizeof(cachename));
4218
4219         // now add all the permutation pretexts
4220         for (i = 0;i < SHADERPERMUTATION_COUNT;i++)
4221         {
4222                 if (permutation & (1<<i))
4223                 {
4224                         vertstrings_list[vertstrings_count++] = shaderpermutationinfo[i].pretext;
4225                         geomstrings_list[geomstrings_count++] = shaderpermutationinfo[i].pretext;
4226                         fragstrings_list[fragstrings_count++] = shaderpermutationinfo[i].pretext;
4227                         strlcat(permutationname, shaderpermutationinfo[i].name, sizeof(permutationname));
4228                         strlcat(cachename, shaderpermutationinfo[i].name, sizeof(cachename));
4229                 }
4230                 else
4231                 {
4232                         // keep line numbers correct
4233                         vertstrings_list[vertstrings_count++] = "\n";
4234                         geomstrings_list[geomstrings_count++] = "\n";
4235                         fragstrings_list[fragstrings_count++] = "\n";
4236                 }
4237         }
4238
4239         // add static parms
4240         R_CompileShader_AddStaticParms(mode, permutation);
4241         memcpy(vertstrings_list + vertstrings_count, shaderstaticparmstrings_list, sizeof(*vertstrings_list) * shaderstaticparms_count);
4242         vertstrings_count += shaderstaticparms_count;
4243         memcpy(geomstrings_list + geomstrings_count, shaderstaticparmstrings_list, sizeof(*vertstrings_list) * shaderstaticparms_count);
4244         geomstrings_count += shaderstaticparms_count;
4245         memcpy(fragstrings_list + fragstrings_count, shaderstaticparmstrings_list, sizeof(*vertstrings_list) * shaderstaticparms_count);
4246         fragstrings_count += shaderstaticparms_count;
4247
4248         // replace spaces in the cachename with _ characters
4249         for (i = 0;cachename[i];i++)
4250                 if (cachename[i] == ' ')
4251                         cachename[i] = '_';
4252
4253         // now append the shader text itself
4254         vertstrings_list[vertstrings_count++] = vertexstring;
4255         geomstrings_list[geomstrings_count++] = geometrystring;
4256         fragstrings_list[fragstrings_count++] = fragmentstring;
4257
4258         // if any sources were NULL, clear the respective list
4259         if (!vertexstring)
4260                 vertstrings_count = 0;
4261         if (!geometrystring)
4262                 geomstrings_count = 0;
4263         if (!fragmentstring)
4264                 fragstrings_count = 0;
4265
4266         vertstring_length = 0;
4267         for (i = 0;i < vertstrings_count;i++)
4268                 vertstring_length += strlen(vertstrings_list[i]);
4269         vertstring = t = Mem_Alloc(tempmempool, vertstring_length + 1);
4270         for (i = 0;i < vertstrings_count;t += strlen(vertstrings_list[i]), i++)
4271                 memcpy(t, vertstrings_list[i], strlen(vertstrings_list[i]));
4272
4273         geomstring_length = 0;
4274         for (i = 0;i < geomstrings_count;i++)
4275                 geomstring_length += strlen(geomstrings_list[i]);
4276         geomstring = t = Mem_Alloc(tempmempool, geomstring_length + 1);
4277         for (i = 0;i < geomstrings_count;t += strlen(geomstrings_list[i]), i++)
4278                 memcpy(t, geomstrings_list[i], strlen(geomstrings_list[i]));
4279
4280         fragstring_length = 0;
4281         for (i = 0;i < fragstrings_count;i++)
4282                 fragstring_length += strlen(fragstrings_list[i]);
4283         fragstring = t = Mem_Alloc(tempmempool, fragstring_length + 1);
4284         for (i = 0;i < fragstrings_count;t += strlen(fragstrings_list[i]), i++)
4285                 memcpy(t, fragstrings_list[i], strlen(fragstrings_list[i]));
4286
4287         CHECKGLERROR
4288         CHECKCGERROR
4289         //vertexProfile = CG_PROFILE_ARBVP1;
4290         //fragmentProfile = CG_PROFILE_ARBFP1;
4291         vertexProfile = cgGLGetLatestProfile(CG_GL_VERTEX);CHECKCGERROR
4292         fragmentProfile = cgGLGetLatestProfile(CG_GL_FRAGMENT);CHECKCGERROR
4293         //cgGLSetOptimalOptions(vertexProfile);CHECKCGERROR
4294         //cgGLSetOptimalOptions(fragmentProfile);CHECKCGERROR
4295         //cgSetAutoCompile(vid.cgcontext, CG_COMPILE_MANUAL);CHECKCGERROR
4296         CHECKGLERROR
4297
4298         // try to load the cached shader, or generate one
4299         R_CG_CacheShader(p, cachename, vertstring, fragstring);
4300
4301         // if caching failed, do a dynamic compile for now
4302         CHECKCGERROR
4303         if (vertstring[0] && !p->vprogram)
4304                 p->vprogram = cgCreateProgram(vid.cgcontext, CG_SOURCE, vertstring, vertexProfile, NULL, NULL);
4305         CHECKCGERROR
4306         if (fragstring[0] && !p->fprogram)
4307                 p->fprogram = cgCreateProgram(vid.cgcontext, CG_SOURCE, fragstring, fragmentProfile, NULL, NULL);
4308         CHECKCGERROR
4309
4310         // look up all the uniform variable names we care about, so we don't
4311         // have to look them up every time we set them
4312         if (p->vprogram)
4313         {
4314                 CHECKCGERROR
4315                 cgGLLoadProgram(p->vprogram);CHECKCGERROR CHECKGLERROR
4316                 cgGLEnableProfile(vertexProfile);CHECKCGERROR CHECKGLERROR
4317                 p->vp_EyePosition                = cgGetNamedParameter(p->vprogram, "EyePosition");
4318                 p->vp_FogPlane                   = cgGetNamedParameter(p->vprogram, "FogPlane");
4319                 p->vp_LightDir                   = cgGetNamedParameter(p->vprogram, "LightDir");
4320                 p->vp_LightPosition              = cgGetNamedParameter(p->vprogram, "LightPosition");
4321                 p->vp_ModelToLight               = cgGetNamedParameter(p->vprogram, "ModelToLight");
4322                 p->vp_TexMatrix                  = cgGetNamedParameter(p->vprogram, "TexMatrix");
4323                 p->vp_BackgroundTexMatrix        = cgGetNamedParameter(p->vprogram, "BackgroundTexMatrix");
4324                 p->vp_ModelViewProjectionMatrix  = cgGetNamedParameter(p->vprogram, "ModelViewProjectionMatrix");
4325                 p->vp_ModelViewMatrix            = cgGetNamedParameter(p->vprogram, "ModelViewMatrix");
4326                 p->vp_ShadowMapMatrix            = cgGetNamedParameter(p->vprogram, "ShadowMapMatrix");
4327                 CHECKCGERROR
4328         }
4329         if (p->fprogram)
4330         {
4331                 CHECKCGERROR
4332                 cgGLLoadProgram(p->fprogram);CHECKCGERROR CHECKGLERROR
4333                 cgGLEnableProfile(fragmentProfile);CHECKCGERROR CHECKGLERROR
4334                 p->fp_Texture_First              = cgGetNamedParameter(p->fprogram, "Texture_First");
4335                 p->fp_Texture_Second             = cgGetNamedParameter(p->fprogram, "Texture_Second");
4336                 p->fp_Texture_GammaRamps         = cgGetNamedParameter(p->fprogram, "Texture_GammaRamps");
4337                 p->fp_Texture_Normal             = cgGetNamedParameter(p->fprogram, "Texture_Normal");
4338                 p->fp_Texture_Color              = cgGetNamedParameter(p->fprogram, "Texture_Color");
4339                 p->fp_Texture_Gloss              = cgGetNamedParameter(p->fprogram, "Texture_Gloss");
4340                 p->fp_Texture_Glow               = cgGetNamedParameter(p->fprogram, "Texture_Glow");
4341                 p->fp_Texture_SecondaryNormal    = cgGetNamedParameter(p->fprogram, "Texture_SecondaryNormal");
4342                 p->fp_Texture_SecondaryColor     = cgGetNamedParameter(p->fprogram, "Texture_SecondaryColor");
4343                 p->fp_Texture_SecondaryGloss     = cgGetNamedParameter(p->fprogram, "Texture_SecondaryGloss");
4344                 p->fp_Texture_SecondaryGlow      = cgGetNamedParameter(p->fprogram, "Texture_SecondaryGlow");
4345                 p->fp_Texture_Pants              = cgGetNamedParameter(p->fprogram, "Texture_Pants");
4346                 p->fp_Texture_Shirt              = cgGetNamedParameter(p->fprogram, "Texture_Shirt");
4347                 p->fp_Texture_FogHeightTexture   = cgGetNamedParameter(p->fprogram, "Texture_FogHeightTexture");
4348                 p->fp_Texture_FogMask            = cgGetNamedParameter(p->fprogram, "Texture_FogMask");
4349                 p->fp_Texture_Lightmap           = cgGetNamedParameter(p->fprogram, "Texture_Lightmap");
4350                 p->fp_Texture_Deluxemap          = cgGetNamedParameter(p->fprogram, "Texture_Deluxemap");
4351                 p->fp_Texture_Attenuation        = cgGetNamedParameter(p->fprogram, "Texture_Attenuation");
4352                 p->fp_Texture_Cube               = cgGetNamedParameter(p->fprogram, "Texture_Cube");
4353                 p->fp_Texture_Refraction         = cgGetNamedParameter(p->fprogram, "Texture_Refraction");
4354                 p->fp_Texture_Reflection         = cgGetNamedParameter(p->fprogram, "Texture_Reflection");
4355                 p->fp_Texture_ShadowMapRect      = cgGetNamedParameter(p->fprogram, "Texture_ShadowMapRect");
4356                 p->fp_Texture_ShadowMapCube      = cgGetNamedParameter(p->fprogram, "Texture_ShadowMapCube");
4357                 p->fp_Texture_ShadowMap2D        = cgGetNamedParameter(p->fprogram, "Texture_ShadowMap2D");
4358                 p->fp_Texture_CubeProjection     = cgGetNamedParameter(p->fprogram, "Texture_CubeProjection");
4359                 p->fp_Texture_ScreenDepth        = cgGetNamedParameter(p->fprogram, "Texture_ScreenDepth");
4360                 p->fp_Texture_ScreenNormalMap    = cgGetNamedParameter(p->fprogram, "Texture_ScreenNormalMap");
4361                 p->fp_Texture_ScreenDiffuse      = cgGetNamedParameter(p->fprogram, "Texture_ScreenDiffuse");
4362                 p->fp_Texture_ScreenSpecular     = cgGetNamedParameter(p->fprogram, "Texture_ScreenSpecular");
4363                 p->fp_Texture_ReflectMask        = cgGetNamedParameter(p->fprogram, "Texture_ReflectMask");
4364                 p->fp_Texture_ReflectCube        = cgGetNamedParameter(p->fprogram, "Texture_ReflectCube");
4365                 p->fp_Alpha                      = cgGetNamedParameter(p->fprogram, "Alpha");
4366                 p->fp_BloomBlur_Parameters       = cgGetNamedParameter(p->fprogram, "BloomBlur_Parameters");
4367                 p->fp_ClientTime                 = cgGetNamedParameter(p->fprogram, "ClientTime");
4368                 p->fp_Color_Ambient              = cgGetNamedParameter(p->fprogram, "Color_Ambient");
4369                 p->fp_Color_Diffuse              = cgGetNamedParameter(p->fprogram, "Color_Diffuse");
4370                 p->fp_Color_Specular             = cgGetNamedParameter(p->fprogram, "Color_Specular");
4371                 p->fp_Color_Glow                 = cgGetNamedParameter(p->fprogram, "Color_Glow");
4372                 p->fp_Color_Pants                = cgGetNamedParameter(p->fprogram, "Color_Pants");
4373                 p->fp_Color_Shirt                = cgGetNamedParameter(p->fprogram, "Color_Shirt");
4374                 p->fp_DeferredColor_Ambient      = cgGetNamedParameter(p->fprogram, "DeferredColor_Ambient");
4375                 p->fp_DeferredColor_Diffuse      = cgGetNamedParameter(p->fprogram, "DeferredColor_Diffuse");
4376                 p->fp_DeferredColor_Specular     = cgGetNamedParameter(p->fprogram, "DeferredColor_Specular");
4377                 p->fp_DeferredMod_Diffuse        = cgGetNamedParameter(p->fprogram, "DeferredMod_Diffuse");
4378                 p->fp_DeferredMod_Specular       = cgGetNamedParameter(p->fprogram, "DeferredMod_Specular");
4379                 p->fp_DistortScaleRefractReflect = cgGetNamedParameter(p->fprogram, "DistortScaleRefractReflect");
4380                 p->fp_EyePosition                = cgGetNamedParameter(p->fprogram, "EyePosition");
4381                 p->fp_FogColor                   = cgGetNamedParameter(p->fprogram, "FogColor");
4382                 p->fp_FogHeightFade              = cgGetNamedParameter(p->fprogram, "FogHeightFade");
4383                 p->fp_FogPlane                   = cgGetNamedParameter(p->fprogram, "FogPlane");
4384                 p->fp_FogPlaneViewDist           = cgGetNamedParameter(p->fprogram, "FogPlaneViewDist");
4385                 p->fp_FogRangeRecip              = cgGetNamedParameter(p->fprogram, "FogRangeRecip");
4386                 p->fp_LightColor                 = cgGetNamedParameter(p->fprogram, "LightColor");
4387                 p->fp_LightDir                   = cgGetNamedParameter(p->fprogram, "LightDir");
4388                 p->fp_LightPosition              = cgGetNamedParameter(p->fprogram, "LightPosition");
4389                 p->fp_OffsetMapping_Scale        = cgGetNamedParameter(p->fprogram, "OffsetMapping_Scale");
4390                 p->fp_PixelSize                  = cgGetNamedParameter(p->fprogram, "PixelSize");
4391                 p->fp_ReflectColor               = cgGetNamedParameter(p->fprogram, "ReflectColor");
4392                 p->fp_ReflectFactor              = cgGetNamedParameter(p->fprogram, "ReflectFactor");
4393                 p->fp_ReflectOffset              = cgGetNamedParameter(p->fprogram, "ReflectOffset");
4394                 p->fp_RefractColor               = cgGetNamedParameter(p->fprogram, "RefractColor");
4395                 p->fp_Saturation                 = cgGetNamedParameter(p->fprogram, "Saturation");
4396                 p->fp_ScreenCenterRefractReflect = cgGetNamedParameter(p->fprogram, "ScreenCenterRefractReflect");
4397                 p->fp_ScreenScaleRefractReflect  = cgGetNamedParameter(p->fprogram, "ScreenScaleRefractReflect");
4398                 p->fp_ScreenToDepth              = cgGetNamedParameter(p->fprogram, "ScreenToDepth");
4399                 p->fp_ShadowMap_Parameters       = cgGetNamedParameter(p->fprogram, "ShadowMap_Parameters");
4400                 p->fp_ShadowMap_TextureScale     = cgGetNamedParameter(p->fprogram, "ShadowMap_TextureScale");
4401                 p->fp_SpecularPower              = cgGetNamedParameter(p->fprogram, "SpecularPower");
4402                 p->fp_UserVec1                   = cgGetNamedParameter(p->fprogram, "UserVec1");
4403                 p->fp_UserVec2                   = cgGetNamedParameter(p->fprogram, "UserVec2");
4404                 p->fp_UserVec3                   = cgGetNamedParameter(p->fprogram, "UserVec3");
4405                 p->fp_UserVec4                   = cgGetNamedParameter(p->fprogram, "UserVec4");
4406                 p->fp_ViewTintColor              = cgGetNamedParameter(p->fprogram, "ViewTintColor");
4407                 p->fp_ViewToLight                = cgGetNamedParameter(p->fprogram, "ViewToLight");
4408                 p->fp_PixelToScreenTexCoord      = cgGetNamedParameter(p->fprogram, "PixelToScreenTexCoord");
4409                 p->fp_ModelToReflectCube         = cgGetNamedParameter(p->fprogram, "ModelToReflectCube");
4410                 p->fp_NormalmapScrollBlend       = cgGetNamedParameter(p->fprogram, "NormalmapScrollBlend");
4411                 CHECKCGERROR
4412         }
4413
4414         if ((p->vprogram || !vertstring[0]) && (p->fprogram || !fragstring[0]))
4415                 Con_DPrintf("^5CG shader %s compiled.\n", permutationname);
4416         else
4417                 Con_Printf("^1CG shader %s failed!  some features may not work properly.\n", permutationname);
4418
4419         // free the strings
4420         if (vertstring)
4421                 Mem_Free(vertstring);
4422         if (geomstring)
4423                 Mem_Free(geomstring);
4424         if (fragstring)
4425                 Mem_Free(fragstring);
4426         if (vertexstring)
4427                 Mem_Free(vertexstring);
4428         if (geometrystring)
4429                 Mem_Free(geometrystring);
4430         if (fragmentstring)
4431                 Mem_Free(fragmentstring);
4432 }
4433
4434 void R_SetupShader_SetPermutationCG(unsigned int mode, unsigned int permutation)
4435 {
4436         r_cg_permutation_t *perm = R_CG_FindPermutation(mode, permutation);
4437         CHECKGLERROR
4438         CHECKCGERROR
4439         if (r_cg_permutation != perm)
4440         {
4441                 r_cg_permutation = perm;
4442                 if (!r_cg_permutation->vprogram && !r_cg_permutation->fprogram)
4443                 {
4444                         if (!r_cg_permutation->compiled)
4445                                 R_CG_CompilePermutation(perm, mode, permutation);
4446                         if (!r_cg_permutation->vprogram && !r_cg_permutation->fprogram)
4447                         {
4448                                 // remove features until we find a valid permutation
4449                                 int i;
4450                                 for (i = 0;i < SHADERPERMUTATION_COUNT;i++)
4451                                 {
4452                                         // reduce i more quickly whenever it would not remove any bits
4453                                         int j = 1<<(SHADERPERMUTATION_COUNT-1-i);
4454                                         if (!(permutation & j))
4455                                                 continue;
4456                                         permutation -= j;
4457                                         r_cg_permutation = R_CG_FindPermutation(mode, permutation);
4458                                         if (!r_cg_permutation->compiled)
4459                                                 R_CG_CompilePermutation(perm, mode, permutation);
4460                                         if (r_cg_permutation->vprogram || r_cg_permutation->fprogram)
4461                                                 break;
4462                                 }
4463                                 if (i >= SHADERPERMUTATION_COUNT)
4464                                 {
4465                                         //Con_Printf("Could not find a working Cg shader for permutation %s %s\n", shadermodeinfo[mode].vertexfilename, shadermodeinfo[mode].pretext);
4466                                         r_cg_permutation = R_CG_FindPermutation(mode, permutation);
4467                                         return; // no bit left to clear, entire mode is broken
4468                                 }
4469                         }
4470                 }
4471                 CHECKGLERROR
4472                 CHECKCGERROR
4473                 if (r_cg_permutation->vprogram)
4474                 {
4475                         cgGLLoadProgram(r_cg_permutation->vprogram);CHECKCGERROR CHECKGLERROR
4476                         cgGLBindProgram(r_cg_permutation->vprogram);CHECKCGERROR CHECKGLERROR
4477                         cgGLEnableProfile(cgGLGetLatestProfile(CG_GL_VERTEX));CHECKCGERROR CHECKGLERROR
4478                 }
4479                 else
4480                 {
4481                         cgGLDisableProfile(cgGLGetLatestProfile(CG_GL_VERTEX));CHECKCGERROR CHECKGLERROR
4482                         cgGLUnbindProgram(cgGLGetLatestProfile(CG_GL_VERTEX));CHECKCGERROR CHECKGLERROR
4483                 }
4484                 if (r_cg_permutation->fprogram)
4485                 {
4486                         cgGLLoadProgram(r_cg_permutation->fprogram);CHECKCGERROR CHECKGLERROR
4487                         cgGLBindProgram(r_cg_permutation->fprogram);CHECKCGERROR CHECKGLERROR
4488                         cgGLEnableProfile(cgGLGetLatestProfile(CG_GL_FRAGMENT));CHECKCGERROR CHECKGLERROR
4489                 }
4490                 else
4491                 {
4492                         cgGLDisableProfile(cgGLGetLatestProfile(CG_GL_FRAGMENT));CHECKCGERROR CHECKGLERROR
4493                         cgGLUnbindProgram(cgGLGetLatestProfile(CG_GL_FRAGMENT));CHECKCGERROR CHECKGLERROR
4494                 }
4495         }
4496         CHECKCGERROR
4497         if (r_cg_permutation->vp_ModelViewProjectionMatrix) cgGLSetMatrixParameterfc(r_cg_permutation->vp_ModelViewProjectionMatrix, gl_modelviewprojection16f);CHECKCGERROR
4498         if (r_cg_permutation->vp_ModelViewMatrix) cgGLSetMatrixParameterfc(r_cg_permutation->vp_ModelViewMatrix, gl_modelview16f);CHECKCGERROR
4499         if (r_cg_permutation->fp_ClientTime) cgGLSetParameter1f(r_cg_permutation->fp_ClientTime, cl.time);CHECKCGERROR
4500 }
4501
4502 void CG_BindTexture(CGparameter param, rtexture_t *tex)
4503 {
4504         cgGLSetTextureParameter(param, R_GetTexture(tex));
4505         cgGLEnableTextureParameter(param);
4506 }
4507 #endif
4508
4509 void R_GLSL_Restart_f(void)
4510 {
4511         unsigned int i, limit;
4512         if (glslshaderstring && glslshaderstring != builtinshaderstring)
4513                 Mem_Free(glslshaderstring);
4514         glslshaderstring = NULL;
4515         if (cgshaderstring && cgshaderstring != builtincgshaderstring)
4516                 Mem_Free(cgshaderstring);
4517         cgshaderstring = NULL;
4518         switch(vid.renderpath)
4519         {
4520         case RENDERPATH_GL20:
4521                 {
4522                         r_glsl_permutation_t *p;
4523                         r_glsl_permutation = NULL;
4524                         limit = Mem_ExpandableArray_IndexRange(&r_glsl_permutationarray);
4525                         for (i = 0;i < limit;i++)
4526                         {
4527                                 if ((p = (r_glsl_permutation_t*)Mem_ExpandableArray_RecordAtIndex(&r_glsl_permutationarray, i)))
4528                                 {
4529                                         GL_Backend_FreeProgram(p->program);
4530                                         Mem_ExpandableArray_FreeRecord(&r_glsl_permutationarray, (void*)p);
4531                                 }
4532                         }
4533                         memset(r_glsl_permutationhash, 0, sizeof(r_glsl_permutationhash));
4534                 }
4535                 break;
4536         case RENDERPATH_CGGL:
4537 #ifdef SUPPORTCG
4538                 {
4539                         r_cg_permutation_t *p;
4540                         r_cg_permutation = NULL;
4541                         cgGLDisableProfile(cgGLGetLatestProfile(CG_GL_VERTEX));CHECKCGERROR CHECKGLERROR
4542                         cgGLUnbindProgram(cgGLGetLatestProfile(CG_GL_VERTEX));CHECKCGERROR CHECKGLERROR
4543                         cgGLDisableProfile(cgGLGetLatestProfile(CG_GL_FRAGMENT));CHECKCGERROR CHECKGLERROR
4544                         cgGLUnbindProgram(cgGLGetLatestProfile(CG_GL_FRAGMENT));CHECKCGERROR CHECKGLERROR
4545                         limit = Mem_ExpandableArray_IndexRange(&r_cg_permutationarray);
4546                         for (i = 0;i < limit;i++)
4547                         {
4548                                 if ((p = (r_cg_permutation_t*)Mem_ExpandableArray_RecordAtIndex(&r_cg_permutationarray, i)))
4549                                 {
4550                                         if (p->vprogram)
4551                                                 cgDestroyProgram(p->vprogram);
4552                                         if (p->fprogram)
4553                                                 cgDestroyProgram(p->fprogram);
4554                                         Mem_ExpandableArray_FreeRecord(&r_cg_permutationarray, (void*)p);
4555                                 }
4556                         }
4557                         memset(r_cg_permutationhash, 0, sizeof(r_cg_permutationhash));
4558                 }
4559                 break;
4560 #endif
4561         case RENDERPATH_GL13:
4562         case RENDERPATH_GL11:
4563                 break;
4564         }
4565 }
4566
4567 void R_GLSL_DumpShader_f(void)
4568 {
4569         int i;
4570         qfile_t *file;
4571
4572         file = FS_OpenRealFile("glsl/default.glsl", "w", false);
4573         if (file)
4574         {
4575                 FS_Print(file, "/* The engine may define the following macros:\n");
4576                 FS_Print(file, "#define VERTEX_SHADER\n#define GEOMETRY_SHADER\n#define FRAGMENT_SHADER\n");
4577                 for (i = 0;i < SHADERMODE_COUNT;i++)
4578                         FS_Print(file, glslshadermodeinfo[i].pretext);
4579                 for (i = 0;i < SHADERPERMUTATION_COUNT;i++)
4580                         FS_Print(file, shaderpermutationinfo[i].pretext);
4581                 FS_Print(file, "*/\n");
4582                 FS_Print(file, builtinshaderstring);
4583                 FS_Close(file);
4584                 Con_Printf("glsl/default.glsl written\n");
4585         }
4586         else
4587                 Con_Printf("failed to write to glsl/default.glsl\n");
4588
4589 #ifdef SUPPORTCG
4590         file = FS_OpenRealFile("cg/default.cg", "w", false);
4591         if (file)
4592         {
4593                 FS_Print(file, "/* The engine may define the following macros:\n");
4594                 FS_Print(file, "#define VERTEX_SHADER\n#define GEOMETRY_SHADER\n#define FRAGMENT_SHADER\n");
4595                 for (i = 0;i < SHADERMODE_COUNT;i++)
4596                         FS_Print(file, cgshadermodeinfo[i].pretext);
4597                 for (i = 0;i < SHADERPERMUTATION_COUNT;i++)
4598                         FS_Print(file, shaderpermutationinfo[i].pretext);
4599                 FS_Print(file, "*/\n");
4600                 FS_Print(file, builtincgshaderstring);
4601                 FS_Close(file);
4602                 Con_Printf("cg/default.cg written\n");
4603         }
4604         else
4605                 Con_Printf("failed to write to cg/default.cg\n");
4606 #endif
4607 }
4608
4609 void R_SetupShader_Generic(rtexture_t *first, rtexture_t *second, int texturemode, int rgbscale)
4610 {
4611         if (!second)
4612                 texturemode = GL_MODULATE;
4613         switch (vid.renderpath)
4614         {
4615         case RENDERPATH_GL20:
4616                 R_SetupShader_SetPermutationGLSL(SHADERMODE_GENERIC, (first ? SHADERPERMUTATION_DIFFUSE : 0) | (second ? SHADERPERMUTATION_SPECULAR : 0) | (texturemode == GL_MODULATE ? SHADERPERMUTATION_COLORMAPPING : (texturemode == GL_ADD ? SHADERPERMUTATION_GLOW : (texturemode == GL_DECAL ? SHADERPERMUTATION_VERTEXTEXTUREBLEND : 0))));
4617                 if (r_glsl_permutation->loc_Texture_First ) R_Mesh_TexBind(GL20TU_FIRST , first );
4618                 if (r_glsl_permutation->loc_Texture_Second) R_Mesh_TexBind(GL20TU_SECOND, second);
4619                 break;
4620         case RENDERPATH_CGGL:
4621 #ifdef SUPPORTCG
4622                 CHECKCGERROR
4623                 R_SetupShader_SetPermutationCG(SHADERMODE_GENERIC, (first ? SHADERPERMUTATION_DIFFUSE : 0) | (second ? SHADERPERMUTATION_SPECULAR : 0) | (texturemode == GL_MODULATE ? SHADERPERMUTATION_COLORMAPPING : (texturemode == GL_ADD ? SHADERPERMUTATION_GLOW : (texturemode == GL_DECAL ? SHADERPERMUTATION_VERTEXTEXTUREBLEND : 0))));
4624                 if (r_cg_permutation->fp_Texture_First ) CG_BindTexture(r_cg_permutation->fp_Texture_First , first );CHECKCGERROR
4625                 if (r_cg_permutation->fp_Texture_Second) CG_BindTexture(r_cg_permutation->fp_Texture_Second, second);CHECKCGERROR
4626 #endif
4627                 break;
4628         case RENDERPATH_GL13:
4629                 R_Mesh_TexBind(0, first );
4630                 R_Mesh_TexCombine(0, GL_MODULATE, GL_MODULATE, 1, 1);
4631                 R_Mesh_TexBind(1, second);
4632                 if (second)
4633                         R_Mesh_TexCombine(1, texturemode, texturemode, rgbscale, 1);
4634                 break;
4635         case RENDERPATH_GL11:
4636                 R_Mesh_TexBind(0, first );
4637                 break;
4638         }
4639 }
4640
4641 void R_SetupShader_DepthOrShadow(void)
4642 {
4643         switch (vid.renderpath)
4644         {
4645         case RENDERPATH_GL20:
4646                 R_SetupShader_SetPermutationGLSL(SHADERMODE_DEPTH_OR_SHADOW, 0);
4647                 break;
4648         case RENDERPATH_CGGL:
4649 #ifdef SUPPORTCG
4650                 R_SetupShader_SetPermutationCG(SHADERMODE_DEPTH_OR_SHADOW, 0);
4651 #endif
4652                 break;
4653         case RENDERPATH_GL13:
4654                 R_Mesh_TexBind(0, 0);
4655                 R_Mesh_TexBind(1, 0);
4656                 break;
4657         case RENDERPATH_GL11:
4658                 R_Mesh_TexBind(0, 0);
4659                 break;
4660         }
4661 }
4662
4663 void R_SetupShader_ShowDepth(void)
4664 {
4665         switch (vid.renderpath)
4666         {
4667         case RENDERPATH_GL20:
4668                 R_SetupShader_SetPermutationGLSL(SHADERMODE_SHOWDEPTH, 0);
4669                 break;
4670         case RENDERPATH_CGGL:
4671 #ifdef SUPPORTCG
4672                 R_SetupShader_SetPermutationCG(SHADERMODE_SHOWDEPTH, 0);
4673 #endif
4674                 break;
4675         case RENDERPATH_GL13:
4676                 break;
4677         case RENDERPATH_GL11:
4678                 break;
4679         }
4680 }
4681
4682 extern qboolean r_shadow_usingdeferredprepass;
4683 extern cvar_t r_shadow_deferred_8bitrange;
4684 extern rtexture_t *r_shadow_attenuationgradienttexture;
4685 extern rtexture_t *r_shadow_attenuation2dtexture;
4686 extern rtexture_t *r_shadow_attenuation3dtexture;
4687 extern qboolean r_shadow_usingshadowmaprect;
4688 extern qboolean r_shadow_usingshadowmapcube;
4689 extern qboolean r_shadow_usingshadowmap2d;
4690 extern qboolean r_shadow_usingshadowmaportho;
4691 extern float r_shadow_shadowmap_texturescale[2];
4692 extern float r_shadow_shadowmap_parameters[4];
4693 extern qboolean r_shadow_shadowmapvsdct;
4694 extern qboolean r_shadow_shadowmapsampler;
4695 extern int r_shadow_shadowmappcf;
4696 extern rtexture_t *r_shadow_shadowmaprectangletexture;
4697 extern rtexture_t *r_shadow_shadowmap2dtexture;
4698 extern rtexture_t *r_shadow_shadowmapcubetexture[R_SHADOW_SHADOWMAP_NUMCUBEMAPS];
4699 extern rtexture_t *r_shadow_shadowmapvsdcttexture;
4700 extern matrix4x4_t r_shadow_shadowmapmatrix;
4701 extern int r_shadow_shadowmaplod; // changes for each light based on distance
4702 extern int r_shadow_prepass_width;
4703 extern int r_shadow_prepass_height;
4704 extern rtexture_t *r_shadow_prepassgeometrydepthtexture;
4705 extern rtexture_t *r_shadow_prepassgeometrynormalmaptexture;
4706 extern rtexture_t *r_shadow_prepasslightingdiffusetexture;
4707 extern rtexture_t *r_shadow_prepasslightingspeculartexture;
4708 static qboolean R_BlendFuncAllowsColormod(int src, int dst)
4709 {
4710         // a blendfunc allows colormod if:
4711         // a) it can never keep the destination pixel invariant, or
4712         // b) it can keep the destination pixel invariant, and still can do so if colormodded
4713         // this is to prevent unintended side effects from colormod
4714
4715         // in formulas:
4716         // IF there is a (s, sa) for which for all (d, da),
4717         //   s * src(s, d, sa, da) + d * dst(s, d, sa, da) == d
4718         // THEN, for this (s, sa) and all (colormod, d, da):
4719         //   s*colormod * src(s*colormod, d, sa, da) + d * dst(s*colormod, d, sa, da) == d
4720         // OBVIOUSLY, this means that
4721         //   s*colormod * src(s*colormod, d, sa, da) = 0
4722         //   dst(s*colormod, d, sa, da)              = 1
4723
4724         // note: not caring about GL_SRC_ALPHA_SATURATE and following here, these are unused in DP code
4725
4726         // main condition to leave dst color invariant:
4727         //   s * src(s, d, sa, da) + d * dst(s, d, sa, da) == d
4728         //   src == GL_ZERO:
4729         //     s * 0 + d * dst(s, d, sa, da) == d
4730         //       => dst == GL_ONE/GL_SRC_COLOR/GL_ONE_MINUS_SRC_COLOR/GL_SRC_ALPHA/GL_ONE_MINUS_SRC_ALPHA
4731         //       => colormod is a problem for GL_SRC_COLOR only
4732         //   src == GL_ONE:
4733         //     s + d * dst(s, d, sa, da) == d
4734         //       => s == 0
4735         //       => dst == GL_ONE/GL_ONE_MINUS_SRC_COLOR/GL_SRC_ALPHA/GL_ONE_MINUS_SRC_ALPHA
4736         //       => colormod is never problematic for these
4737         //   src == GL_SRC_COLOR:
4738         //     s*s + d * dst(s, d, sa, da) == d
4739         //       => s == 0
4740         //       => dst == GL_ONE/GL_ONE_MINUS_SRC_COLOR/GL_SRC_ALPHA/GL_ONE_MINUS_SRC_ALPHA
4741         //       => colormod is never problematic for these
4742         //   src == GL_ONE_MINUS_SRC_COLOR:
4743         //     s*(1-s) + d * dst(s, d, sa, da) == d
4744         //       => s == 0 or s == 1
4745         //       => dst == GL_ONE/GL_SRC_COLOR/GL_ONE_MINUS_SRC_COLOR/GL_SRC_ALPHA/GL_ONE_MINUS_SRC_ALPHA
4746         //       => colormod is a problem for GL_SRC_COLOR only
4747         //   src == GL_DST_COLOR
4748         //     s*d + d * dst(s, d, sa, da) == d
4749         //       => s == 1
4750         //       => dst == GL_ZERO/GL_ONE_MINUS_SRC_COLOR/GL_SRC_ALPHA/GL_ONE_MINUS_SRC_ALPHA
4751         //       => colormod is always a problem
4752         //     or
4753         //       => s == 0
4754         //       => dst == GL_ONE/GL_ONE_MINUS_SRC_COLOR/GL_SRC_ALPHA/GL_ONE_MINUS_SRC_ALPHA
4755         //       => colormod is never problematic for these
4756         //       => BUT, we do not know s! We must assume it is problematic
4757         //       then... except in GL_ONE case, where we know all invariant
4758         //       cases are fine
4759         //   src == GL_ONE_MINUS_DST_COLOR
4760         //     s*(1-d) + d * dst(s, d, sa, da) == d
4761         //       => s == 0 (1-d is impossible to handle for our desired result)
4762         //       => dst == GL_ONE/GL_ONE_MINUS_SRC_COLOR/GL_SRC_ALPHA/GL_ONE_MINUS_SRC_ALPHA
4763         //       => colormod is never problematic for these
4764         //   src == GL_SRC_ALPHA
4765         //     s*sa + d * dst(s, d, sa, da) == d
4766         //       => s == 0, or sa == 0
4767         //       => dst == GL_ONE/GL_SRC_COLOR/GL_ONE_MINUS_SRC_COLOR/GL_SRC_ALPHA/GL_ONE_MINUS_SRC_ALPHA
4768         //       => colormod breaks in the case GL_SRC_COLOR only
4769         //   src == GL_ONE_MINUS_SRC_ALPHA
4770         //     s*(1-sa) + d * dst(s, d, sa, da) == d
4771         //       => s == 0, or sa == 1
4772         //       => dst == GL_ONE/GL_SRC_COLOR/GL_ONE_MINUS_SRC_COLOR/GL_SRC_ALPHA/GL_ONE_MINUS_SRC_ALPHA
4773         //       => colormod breaks in the case GL_SRC_COLOR only
4774         //   src == GL_DST_ALPHA
4775         //     s*da + d * dst(s, d, sa, da) == d
4776         //       => s == 0
4777         //       => dst == GL_ONE/GL_ONE_MINUS_SRC_COLOR/GL_SRC_ALPHA/GL_ONE_MINUS_SRC_ALPHA
4778         //       => colormod is never problematic for these
4779
4780         switch(src)
4781         {
4782                 case GL_ZERO:
4783                 case GL_ONE_MINUS_SRC_COLOR:
4784                 case GL_SRC_ALPHA:
4785                 case GL_ONE_MINUS_SRC_ALPHA:
4786                         if(dst == GL_SRC_COLOR)
4787                                 return false;
4788                         return true;
4789                 case GL_ONE:
4790                 case GL_SRC_COLOR:
4791                 case GL_ONE_MINUS_DST_COLOR:
4792                 case GL_DST_ALPHA:
4793                 case GL_ONE_MINUS_DST_ALPHA:
4794                         return true;
4795                 case GL_DST_COLOR:
4796                         if(dst == GL_ONE)
4797                                 return true;
4798                         return false;
4799                 default:
4800                         return false;
4801         }
4802 }
4803 void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting, float ambientscale, float diffusescale, float specularscale, rsurfacepass_t rsurfacepass)
4804 {
4805         // select a permutation of the lighting shader appropriate to this
4806         // combination of texture, entity, light source, and fogging, only use the
4807         // minimum features necessary to avoid wasting rendering time in the
4808         // fragment shader on features that are not being used
4809         unsigned int permutation = 0;
4810         unsigned int mode = 0;
4811         qboolean allow_colormod;
4812         static float dummy_colormod[3] = {1, 1, 1};
4813         float *colormod = rsurface.colormod;
4814         float m16f[16];
4815         if (rsurfacepass == RSURFPASS_BACKGROUND)
4816         {
4817                 // distorted background
4818                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_WATERSHADER)
4819                 {
4820                         mode = SHADERMODE_WATER;
4821                         if (rsurface.texture->r_water_waterscroll[0] && rsurface.texture->r_water_waterscroll[1])
4822                                 permutation |= SHADERPERMUTATION_NORMALMAPSCROLLBLEND;
4823                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
4824                         allow_colormod = R_BlendFuncAllowsColormod(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
4825                 }
4826                 else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_REFRACTION)
4827                 {
4828                         mode = SHADERMODE_REFRACTION;
4829                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
4830                         allow_colormod = R_BlendFuncAllowsColormod(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
4831                 }
4832                 else
4833                 {
4834                         mode = SHADERMODE_GENERIC;
4835                         permutation |= SHADERPERMUTATION_DIFFUSE;
4836                         GL_BlendFunc(GL_ONE, GL_ZERO);
4837                         allow_colormod = R_BlendFuncAllowsColormod(GL_ONE, GL_ZERO);
4838                 }
4839                 R_Mesh_TexCoordPointer(0, 2, rsurface.texcoordtexture2f, rsurface.texcoordtexture2f_bufferobject, rsurface.texcoordtexture2f_bufferoffset);
4840                 R_Mesh_TexCoordPointer(1, 3, rsurface.svector3f, rsurface.svector3f_bufferobject, rsurface.svector3f_bufferoffset);
4841                 R_Mesh_TexCoordPointer(2, 3, rsurface.tvector3f, rsurface.tvector3f_bufferobject, rsurface.tvector3f_bufferoffset);
4842                 R_Mesh_TexCoordPointer(3, 3, rsurface.normal3f, rsurface.normal3f_bufferobject, rsurface.normal3f_bufferoffset);
4843                 R_Mesh_TexCoordPointer(4, 0, NULL, 0, 0);
4844                 R_Mesh_ColorPointer(NULL, 0, 0);
4845                 GL_AlphaTest(false);
4846         }
4847         else if (rsurfacepass == RSURFPASS_DEFERREDGEOMETRY)
4848         {
4849                 if (r_glsl_offsetmapping.integer)
4850                 {
4851                         if (rsurface.texture->offsetmapping == OFFSETMAPPING_LINEAR)
4852                                 permutation |= SHADERPERMUTATION_OFFSETMAPPING;
4853                         else if (rsurface.texture->offsetmapping == OFFSETMAPPING_RELIEF)
4854                                 permutation |= SHADERPERMUTATION_OFFSETMAPPING | SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;
4855                         else if (rsurface.texture->offsetmapping != OFFSETMAPPING_OFF)
4856                         {
4857                                 permutation |= SHADERPERMUTATION_OFFSETMAPPING;
4858                                 if (r_glsl_offsetmapping_reliefmapping.integer)
4859                                         permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;
4860                         }
4861                 }
4862                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_VERTEXTEXTUREBLEND)
4863                         permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
4864                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
4865                         permutation |= SHADERPERMUTATION_ALPHAKILL;
4866                 // normalmap (deferred prepass), may use alpha test on diffuse
4867                 mode = SHADERMODE_DEFERREDGEOMETRY;
4868                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_VERTEXTEXTUREBLEND)
4869                         permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
4870                 R_Mesh_TexCoordPointer(0, 2, rsurface.texcoordtexture2f, rsurface.texcoordtexture2f_bufferobject, rsurface.texcoordtexture2f_bufferoffset);
4871                 R_Mesh_TexCoordPointer(1, 3, rsurface.svector3f, rsurface.svector3f_bufferobject, rsurface.svector3f_bufferoffset);
4872                 R_Mesh_TexCoordPointer(2, 3, rsurface.tvector3f, rsurface.tvector3f_bufferobject, rsurface.tvector3f_bufferoffset);
4873                 R_Mesh_TexCoordPointer(3, 3, rsurface.normal3f, rsurface.normal3f_bufferobject, rsurface.normal3f_bufferoffset);
4874                 R_Mesh_TexCoordPointer(4, 0, NULL, 0, 0);
4875                 if (permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND)
4876                         R_Mesh_ColorPointer(rsurface.modellightmapcolor4f, rsurface.modellightmapcolor4f_bufferobject, rsurface.modellightmapcolor4f_bufferoffset);
4877                 else
4878                         R_Mesh_ColorPointer(NULL, 0, 0);
4879                 GL_AlphaTest(false);
4880                 GL_BlendFunc(GL_ONE, GL_ZERO);
4881                 allow_colormod = R_BlendFuncAllowsColormod(GL_ONE, GL_ZERO);
4882         }
4883         else if (rsurfacepass == RSURFPASS_RTLIGHT)
4884         {
4885                 if (r_glsl_offsetmapping.integer)
4886                 {
4887                         if (rsurface.texture->offsetmapping == OFFSETMAPPING_LINEAR)
4888                                 permutation |= SHADERPERMUTATION_OFFSETMAPPING;
4889                         else if (rsurface.texture->offsetmapping == OFFSETMAPPING_RELIEF)
4890                                 permutation |= SHADERPERMUTATION_OFFSETMAPPING | SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;
4891                         else if (rsurface.texture->offsetmapping != OFFSETMAPPING_OFF)
4892                         {
4893                                 permutation |= SHADERPERMUTATION_OFFSETMAPPING;
4894                                 if (r_glsl_offsetmapping_reliefmapping.integer)
4895                                         permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;
4896                         }
4897                 }
4898                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_VERTEXTEXTUREBLEND)
4899                         permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
4900                 // light source
4901                 mode = SHADERMODE_LIGHTSOURCE;
4902                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_VERTEXTEXTUREBLEND)
4903                         permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
4904                 if (rsurface.rtlight->currentcubemap != r_texture_whitecube)
4905                         permutation |= SHADERPERMUTATION_CUBEFILTER;
4906                 if (diffusescale > 0)
4907                         permutation |= SHADERPERMUTATION_DIFFUSE;
4908                 if (specularscale > 0)
4909                         permutation |= SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_DIFFUSE;
4910                 if (r_refdef.fogenabled)
4911                         permutation |= r_texture_fogheighttexture ? SHADERPERMUTATION_FOGHEIGHTTEXTURE : (r_refdef.fogplaneviewabove ? SHADERPERMUTATION_FOGOUTSIDE : SHADERPERMUTATION_FOGINSIDE);
4912                 if (rsurface.texture->colormapping)
4913                         permutation |= SHADERPERMUTATION_COLORMAPPING;
4914                 if (r_shadow_usingshadowmaprect || r_shadow_usingshadowmap2d || r_shadow_usingshadowmapcube)
4915                 {
4916                         if (r_shadow_usingshadowmaprect)
4917                                 permutation |= SHADERPERMUTATION_SHADOWMAPRECT;
4918                         if (r_shadow_usingshadowmap2d)
4919                                 permutation |= SHADERPERMUTATION_SHADOWMAP2D;
4920                         if (r_shadow_usingshadowmapcube)
4921                                 permutation |= SHADERPERMUTATION_SHADOWMAPCUBE;
4922                         else if(r_shadow_shadowmapvsdct)
4923                                 permutation |= SHADERPERMUTATION_SHADOWMAPVSDCT;
4924
4925                         if (r_shadow_shadowmapsampler)
4926                                 permutation |= SHADERPERMUTATION_SHADOWSAMPLER;
4927                         if (r_shadow_shadowmappcf > 1)
4928                                 permutation |= SHADERPERMUTATION_SHADOWMAPPCF2;
4929                         else if (r_shadow_shadowmappcf)
4930                                 permutation |= SHADERPERMUTATION_SHADOWMAPPCF;
4931                 }
4932                 if (rsurface.texture->reflectmasktexture)
4933                         permutation |= SHADERPERMUTATION_REFLECTCUBE;
4934                 R_Mesh_TexCoordPointer(0, 2, rsurface.texcoordtexture2f, rsurface.texcoordtexture2f_bufferobject, rsurface.texcoordtexture2f_bufferoffset);
4935                 if (true || permutation & (SHADERPERMUTATION_DIFFUSE | SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_OFFSETMAPPING))
4936                 {
4937                         R_Mesh_TexCoordPointer(1, 3, rsurface.svector3f, rsurface.svector3f_bufferobject, rsurface.svector3f_bufferoffset);
4938                         R_Mesh_TexCoordPointer(2, 3, rsurface.tvector3f, rsurface.tvector3f_bufferobject, rsurface.tvector3f_bufferoffset);
4939                         R_Mesh_TexCoordPointer(3, 3, rsurface.normal3f, rsurface.normal3f_bufferobject, rsurface.normal3f_bufferoffset);
4940                 }
4941                 else
4942                 {
4943                         R_Mesh_TexCoordPointer(1, 0, NULL, 0, 0);
4944                         R_Mesh_TexCoordPointer(2, 0, NULL, 0, 0);
4945                         R_Mesh_TexCoordPointer(3, 0, NULL, 0, 0);
4946                 }
4947                 //R_Mesh_TexCoordPointer(4, 0, NULL, 0, 0);
4948                 if (permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND)
4949                         R_Mesh_ColorPointer(rsurface.modellightmapcolor4f, rsurface.modellightmapcolor4f_bufferobject, rsurface.modellightmapcolor4f_bufferoffset);
4950                 else
4951                         R_Mesh_ColorPointer(NULL, 0, 0);
4952                 GL_AlphaTest((rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST) != 0);
4953                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
4954                 allow_colormod = R_BlendFuncAllowsColormod(GL_SRC_ALPHA, GL_ONE);
4955         }
4956         else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT)
4957         {
4958                 if (r_glsl_offsetmapping.integer)
4959                 {
4960                         if (rsurface.texture->offsetmapping == OFFSETMAPPING_LINEAR)
4961                                 permutation |= SHADERPERMUTATION_OFFSETMAPPING;
4962                         else if (rsurface.texture->offsetmapping == OFFSETMAPPING_RELIEF)
4963                                 permutation |= SHADERPERMUTATION_OFFSETMAPPING | SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;
4964                         else if (rsurface.texture->offsetmapping != OFFSETMAPPING_OFF)
4965                         {
4966                                 permutation |= SHADERPERMUTATION_OFFSETMAPPING;
4967                                 if (r_glsl_offsetmapping_reliefmapping.integer)
4968                                         permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;
4969                         }
4970                 }
4971                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_VERTEXTEXTUREBLEND)
4972                         permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
4973                 // unshaded geometry (fullbright or ambient model lighting)
4974                 mode = SHADERMODE_FLATCOLOR;
4975                 ambientscale = diffusescale = specularscale = 0;
4976                 if (rsurface.texture->glowtexture && r_hdr_glowintensity.value > 0 && !gl_lightmaps.integer)
4977                         permutation |= SHADERPERMUTATION_GLOW;
4978                 if (r_refdef.fogenabled)
4979                         permutation |= r_texture_fogheighttexture ? SHADERPERMUTATION_FOGHEIGHTTEXTURE : (r_refdef.fogplaneviewabove ? SHADERPERMUTATION_FOGOUTSIDE : SHADERPERMUTATION_FOGINSIDE);
4980                 if (rsurface.texture->colormapping)
4981                         permutation |= SHADERPERMUTATION_COLORMAPPING;
4982                 if (r_shadow_usingshadowmaportho && !(rsurface.ent_flags & RENDER_NOSELFSHADOW))
4983                 {
4984                         permutation |= SHADERPERMUTATION_SHADOWMAPORTHO;
4985                         if (r_shadow_usingshadowmaprect)
4986                                 permutation |= SHADERPERMUTATION_SHADOWMAPRECT;
4987                         if (r_shadow_usingshadowmap2d)
4988                                 permutation |= SHADERPERMUTATION_SHADOWMAP2D;
4989
4990                         if (r_shadow_shadowmapsampler)
4991                                 permutation |= SHADERPERMUTATION_SHADOWSAMPLER;
4992                         if (r_shadow_shadowmappcf > 1)
4993                                 permutation |= SHADERPERMUTATION_SHADOWMAPPCF2;
4994                         else if (r_shadow_shadowmappcf)
4995                                 permutation |= SHADERPERMUTATION_SHADOWMAPPCF;
4996                 }
4997                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_REFLECTION)
4998                         permutation |= SHADERPERMUTATION_REFLECTION;
4999                 if (rsurface.texture->reflectmasktexture)
5000                         permutation |= SHADERPERMUTATION_REFLECTCUBE;
5001                 R_Mesh_TexCoordPointer(0, 2, rsurface.texcoordtexture2f, rsurface.texcoordtexture2f_bufferobject, rsurface.texcoordtexture2f_bufferoffset);
5002                 if (true || permutation & (SHADERPERMUTATION_DIFFUSE | SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_OFFSETMAPPING))
5003                 {
5004                         R_Mesh_TexCoordPointer(1, 3, rsurface.svector3f, rsurface.svector3f_bufferobject, rsurface.svector3f_bufferoffset);
5005                         R_Mesh_TexCoordPointer(2, 3, rsurface.tvector3f, rsurface.tvector3f_bufferobject, rsurface.tvector3f_bufferoffset);
5006                         R_Mesh_TexCoordPointer(3, 3, rsurface.normal3f, rsurface.normal3f_bufferobject, rsurface.normal3f_bufferoffset);
5007                 }
5008                 else
5009                 {
5010                         R_Mesh_TexCoordPointer(1, 0, NULL, 0, 0);
5011                         R_Mesh_TexCoordPointer(2, 0, NULL, 0, 0);
5012                         R_Mesh_TexCoordPointer(3, 0, NULL, 0, 0);
5013                 }
5014                 R_Mesh_TexCoordPointer(4, 0, NULL, 0, 0);
5015                 if (permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND)
5016                         R_Mesh_ColorPointer(rsurface.modellightmapcolor4f, rsurface.modellightmapcolor4f_bufferobject, rsurface.modellightmapcolor4f_bufferoffset);
5017                 else
5018                         R_Mesh_ColorPointer(NULL, 0, 0);
5019                 GL_AlphaTest((rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST) != 0);
5020                 GL_BlendFunc(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
5021                 allow_colormod = R_BlendFuncAllowsColormod(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
5022         }
5023         else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT_DIRECTIONAL)
5024         {
5025                 if (r_glsl_offsetmapping.integer)
5026                 {
5027                         if (rsurface.texture->offsetmapping == OFFSETMAPPING_LINEAR)
5028                                 permutation |= SHADERPERMUTATION_OFFSETMAPPING;
5029                         else if (rsurface.texture->offsetmapping == OFFSETMAPPING_RELIEF)
5030                                 permutation |= SHADERPERMUTATION_OFFSETMAPPING | SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;
5031                         else if (rsurface.texture->offsetmapping != OFFSETMAPPING_OFF)
5032                         {
5033                                 permutation |= SHADERPERMUTATION_OFFSETMAPPING;
5034                                 if (r_glsl_offsetmapping_reliefmapping.integer)
5035                                         permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;
5036                         }
5037                 }
5038                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_VERTEXTEXTUREBLEND)
5039                         permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
5040                 // directional model lighting
5041                 mode = SHADERMODE_LIGHTDIRECTION;
5042                 if (rsurface.texture->glowtexture && r_hdr_glowintensity.value > 0 && !gl_lightmaps.integer)
5043                         permutation |= SHADERPERMUTATION_GLOW;
5044                 permutation |= SHADERPERMUTATION_DIFFUSE;
5045                 if (specularscale > 0)
5046                         permutation |= SHADERPERMUTATION_SPECULAR;
5047                 if (r_refdef.fogenabled)
5048                         permutation |= r_texture_fogheighttexture ? SHADERPERMUTATION_FOGHEIGHTTEXTURE : (r_refdef.fogplaneviewabove ? SHADERPERMUTATION_FOGOUTSIDE : SHADERPERMUTATION_FOGINSIDE);
5049                 if (rsurface.texture->colormapping)
5050                         permutation |= SHADERPERMUTATION_COLORMAPPING;
5051                 if (r_shadow_usingshadowmaportho && !(rsurface.ent_flags & RENDER_NOSELFSHADOW))
5052                 {
5053                         permutation |= SHADERPERMUTATION_SHADOWMAPORTHO;
5054                         if (r_shadow_usingshadowmaprect)
5055                                 permutation |= SHADERPERMUTATION_SHADOWMAPRECT;
5056                         if (r_shadow_usingshadowmap2d)
5057                                 permutation |= SHADERPERMUTATION_SHADOWMAP2D;
5058
5059                         if (r_shadow_shadowmapsampler)
5060                                 permutation |= SHADERPERMUTATION_SHADOWSAMPLER;
5061                         if (r_shadow_shadowmappcf > 1)
5062                                 permutation |= SHADERPERMUTATION_SHADOWMAPPCF2;
5063                         else if (r_shadow_shadowmappcf)
5064                                 permutation |= SHADERPERMUTATION_SHADOWMAPPCF;
5065                 }
5066                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_REFLECTION)
5067                         permutation |= SHADERPERMUTATION_REFLECTION;
5068                 if (r_shadow_usingdeferredprepass && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_BLENDED))
5069                         permutation |= SHADERPERMUTATION_DEFERREDLIGHTMAP;
5070                 if (rsurface.texture->reflectmasktexture)
5071                         permutation |= SHADERPERMUTATION_REFLECTCUBE;
5072                 R_Mesh_TexCoordPointer(0, 2, rsurface.texcoordtexture2f, rsurface.texcoordtexture2f_bufferobject, rsurface.texcoordtexture2f_bufferoffset);
5073                 if (true || permutation & (SHADERPERMUTATION_DIFFUSE | SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_OFFSETMAPPING))
5074                 {
5075                         R_Mesh_TexCoordPointer(1, 3, rsurface.svector3f, rsurface.svector3f_bufferobject, rsurface.svector3f_bufferoffset);
5076                         R_Mesh_TexCoordPointer(2, 3, rsurface.tvector3f, rsurface.tvector3f_bufferobject, rsurface.tvector3f_bufferoffset);
5077                         R_Mesh_TexCoordPointer(3, 3, rsurface.normal3f, rsurface.normal3f_bufferobject, rsurface.normal3f_bufferoffset);
5078                 }
5079                 else
5080                 {
5081                         R_Mesh_TexCoordPointer(1, 0, NULL, 0, 0);
5082                         R_Mesh_TexCoordPointer(2, 0, NULL, 0, 0);
5083                         R_Mesh_TexCoordPointer(3, 0, NULL, 0, 0);
5084                 }
5085                 R_Mesh_TexCoordPointer(4, 0, NULL, 0, 0);
5086                 R_Mesh_ColorPointer(NULL, 0, 0);
5087                 GL_AlphaTest((rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST) != 0);
5088                 GL_BlendFunc(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
5089                 allow_colormod = R_BlendFuncAllowsColormod(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
5090         }
5091         else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT)
5092         {
5093                 if (r_glsl_offsetmapping.integer)
5094                 {
5095                         if (rsurface.texture->offsetmapping == OFFSETMAPPING_LINEAR)
5096                                 permutation |= SHADERPERMUTATION_OFFSETMAPPING;
5097                         else if (rsurface.texture->offsetmapping == OFFSETMAPPING_RELIEF)
5098                                 permutation |= SHADERPERMUTATION_OFFSETMAPPING | SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;
5099                         else if (rsurface.texture->offsetmapping != OFFSETMAPPING_OFF)
5100                         {
5101                                 permutation |= SHADERPERMUTATION_OFFSETMAPPING;
5102                                 if (r_glsl_offsetmapping_reliefmapping.integer)
5103                                         permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;
5104                         }
5105                 }
5106                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_VERTEXTEXTUREBLEND)
5107                         permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
5108                 // ambient model lighting
5109                 mode = SHADERMODE_LIGHTDIRECTION;
5110                 if (rsurface.texture->glowtexture && r_hdr_glowintensity.value > 0 && !gl_lightmaps.integer)
5111                         permutation |= SHADERPERMUTATION_GLOW;
5112                 if (r_refdef.fogenabled)
5113                         permutation |= r_texture_fogheighttexture ? SHADERPERMUTATION_FOGHEIGHTTEXTURE : (r_refdef.fogplaneviewabove ? SHADERPERMUTATION_FOGOUTSIDE : SHADERPERMUTATION_FOGINSIDE);
5114                 if (rsurface.texture->colormapping)
5115                         permutation |= SHADERPERMUTATION_COLORMAPPING;
5116                 if (r_shadow_usingshadowmaportho && !(rsurface.ent_flags & RENDER_NOSELFSHADOW))
5117                 {
5118                         permutation |= SHADERPERMUTATION_SHADOWMAPORTHO;
5119                         if (r_shadow_usingshadowmaprect)
5120                                 permutation |= SHADERPERMUTATION_SHADOWMAPRECT;
5121                         if (r_shadow_usingshadowmap2d)
5122                                 permutation |= SHADERPERMUTATION_SHADOWMAP2D;
5123
5124                         if (r_shadow_shadowmapsampler)
5125                                 permutation |= SHADERPERMUTATION_SHADOWSAMPLER;
5126                         if (r_shadow_shadowmappcf > 1)
5127                                 permutation |= SHADERPERMUTATION_SHADOWMAPPCF2;
5128                         else if (r_shadow_shadowmappcf)
5129                                 permutation |= SHADERPERMUTATION_SHADOWMAPPCF;
5130                 }
5131                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_REFLECTION)
5132                         permutation |= SHADERPERMUTATION_REFLECTION;
5133                 if (r_shadow_usingdeferredprepass && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_BLENDED))
5134                         permutation |= SHADERPERMUTATION_DEFERREDLIGHTMAP;
5135                 if (rsurface.texture->reflectmasktexture)
5136                         permutation |= SHADERPERMUTATION_REFLECTCUBE;
5137                 R_Mesh_TexCoordPointer(0, 2, rsurface.texcoordtexture2f, rsurface.texcoordtexture2f_bufferobject, rsurface.texcoordtexture2f_bufferoffset);
5138                 if (true || permutation & (SHADERPERMUTATION_DIFFUSE | SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_OFFSETMAPPING))
5139                 {
5140                         R_Mesh_TexCoordPointer(1, 3, rsurface.svector3f, rsurface.svector3f_bufferobject, rsurface.svector3f_bufferoffset);
5141                         R_Mesh_TexCoordPointer(2, 3, rsurface.tvector3f, rsurface.tvector3f_bufferobject, rsurface.tvector3f_bufferoffset);
5142                         R_Mesh_TexCoordPointer(3, 3, rsurface.normal3f, rsurface.normal3f_bufferobject, rsurface.normal3f_bufferoffset);
5143                 }
5144                 else
5145                 {
5146                         R_Mesh_TexCoordPointer(1, 0, NULL, 0, 0);
5147                         R_Mesh_TexCoordPointer(2, 0, NULL, 0, 0);
5148                         R_Mesh_TexCoordPointer(3, 0, NULL, 0, 0);
5149                 }
5150                 R_Mesh_TexCoordPointer(4, 0, NULL, 0, 0);
5151                 R_Mesh_ColorPointer(NULL, 0, 0);
5152                 GL_AlphaTest((rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST) != 0);
5153                 GL_BlendFunc(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
5154                 allow_colormod = R_BlendFuncAllowsColormod(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
5155         }
5156         else
5157         {
5158                 if (r_glsl_offsetmapping.integer)
5159                 {
5160                         if (rsurface.texture->offsetmapping == OFFSETMAPPING_LINEAR)
5161                                 permutation |= SHADERPERMUTATION_OFFSETMAPPING;
5162                         else if (rsurface.texture->offsetmapping == OFFSETMAPPING_RELIEF)
5163                                 permutation |= SHADERPERMUTATION_OFFSETMAPPING | SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;
5164                         else if (rsurface.texture->offsetmapping != OFFSETMAPPING_OFF)
5165                         {
5166                                 permutation |= SHADERPERMUTATION_OFFSETMAPPING;
5167                                 if (r_glsl_offsetmapping_reliefmapping.integer)
5168                                         permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;
5169                         }
5170                 }
5171                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_VERTEXTEXTUREBLEND)
5172                         permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
5173                 // lightmapped wall
5174                 if (rsurface.texture->glowtexture && r_hdr_glowintensity.value > 0 && !gl_lightmaps.integer)
5175                         permutation |= SHADERPERMUTATION_GLOW;
5176                 if (r_refdef.fogenabled)
5177                         permutation |= r_texture_fogheighttexture ? SHADERPERMUTATION_FOGHEIGHTTEXTURE : (r_refdef.fogplaneviewabove ? SHADERPERMUTATION_FOGOUTSIDE : SHADERPERMUTATION_FOGINSIDE);
5178                 if (rsurface.texture->colormapping)
5179                         permutation |= SHADERPERMUTATION_COLORMAPPING;
5180                 if (r_shadow_usingshadowmaportho && !(rsurface.ent_flags & RENDER_NOSELFSHADOW))
5181                 {
5182                         permutation |= SHADERPERMUTATION_SHADOWMAPORTHO;
5183                         if (r_shadow_usingshadowmaprect)
5184                                 permutation |= SHADERPERMUTATION_SHADOWMAPRECT;
5185                         if (r_shadow_usingshadowmap2d)
5186                                 permutation |= SHADERPERMUTATION_SHADOWMAP2D;
5187
5188                         if (r_shadow_shadowmapsampler)
5189                                 permutation |= SHADERPERMUTATION_SHADOWSAMPLER;
5190                         if (r_shadow_shadowmappcf > 1)
5191                                 permutation |= SHADERPERMUTATION_SHADOWMAPPCF2;
5192                         else if (r_shadow_shadowmappcf)
5193                                 permutation |= SHADERPERMUTATION_SHADOWMAPPCF;
5194                 }
5195                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_REFLECTION)
5196                         permutation |= SHADERPERMUTATION_REFLECTION;
5197                 if (r_shadow_usingdeferredprepass && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_BLENDED))
5198                         permutation |= SHADERPERMUTATION_DEFERREDLIGHTMAP;
5199                 if (rsurface.texture->reflectmasktexture)
5200                         permutation |= SHADERPERMUTATION_REFLECTCUBE;
5201                 if (FAKELIGHT_ENABLED)
5202                 {
5203                         // fake lightmapping (q1bsp, q3bsp, fullbright map)
5204                         mode = SHADERMODE_FAKELIGHT;
5205                         permutation |= SHADERPERMUTATION_DIFFUSE;
5206                         if (specularscale > 0)
5207                                 permutation |= SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_DIFFUSE;
5208                         if (permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND)
5209                                 R_Mesh_ColorPointer(rsurface.modellightmapcolor4f, rsurface.modellightmapcolor4f_bufferobject, rsurface.modellightmapcolor4f_bufferoffset);
5210                         else
5211                                 R_Mesh_ColorPointer(NULL, 0, 0);
5212                 }
5213                 else if (r_glsl_deluxemapping.integer >= 1 && rsurface.uselightmaptexture && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brushq3.deluxemapping)
5214                 {
5215                         // deluxemapping (light direction texture)
5216                         if (rsurface.uselightmaptexture && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brushq3.deluxemapping && r_refdef.scene.worldmodel->brushq3.deluxemapping_modelspace)
5217                                 mode = SHADERMODE_LIGHTDIRECTIONMAP_MODELSPACE;
5218                         else
5219                                 mode = SHADERMODE_LIGHTDIRECTIONMAP_TANGENTSPACE;
5220                         permutation |= SHADERPERMUTATION_DIFFUSE;
5221                         if (specularscale > 0)
5222                                 permutation |= SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_DIFFUSE;
5223                         R_Mesh_TexCoordPointer(4, 2, rsurface.modeltexcoordlightmap2f, rsurface.modeltexcoordlightmap2f_bufferobject, rsurface.modeltexcoordlightmap2f_bufferoffset);
5224                         if (permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND)
5225                                 R_Mesh_ColorPointer(rsurface.modellightmapcolor4f, rsurface.modellightmapcolor4f_bufferobject, rsurface.modellightmapcolor4f_bufferoffset);
5226                         else
5227                                 R_Mesh_ColorPointer(NULL, 0, 0);
5228                 }
5229                 else if (r_glsl_deluxemapping.integer >= 2 && rsurface.uselightmaptexture)
5230                 {
5231                         // fake deluxemapping (uniform light direction in tangentspace)
5232                         mode = SHADERMODE_LIGHTDIRECTIONMAP_TANGENTSPACE;
5233                         permutation |= SHADERPERMUTATION_DIFFUSE;
5234                         if (specularscale > 0)
5235                                 permutation |= SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_DIFFUSE;
5236                         R_Mesh_TexCoordPointer(4, 2, rsurface.modeltexcoordlightmap2f, rsurface.modeltexcoordlightmap2f_bufferobject, rsurface.modeltexcoordlightmap2f_bufferoffset);
5237                         if (permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND)
5238                                 R_Mesh_ColorPointer(rsurface.modellightmapcolor4f, rsurface.modellightmapcolor4f_bufferobject, rsurface.modellightmapcolor4f_bufferoffset);
5239                         else
5240                                 R_Mesh_ColorPointer(NULL, 0, 0);
5241                 }
5242                 else if (rsurface.uselightmaptexture)
5243                 {
5244                         // ordinary lightmapping (q1bsp, q3bsp)
5245                         mode = SHADERMODE_LIGHTMAP;
5246                         R_Mesh_TexCoordPointer(4, 2, rsurface.modeltexcoordlightmap2f, rsurface.modeltexcoordlightmap2f_bufferobject, rsurface.modeltexcoordlightmap2f_bufferoffset);
5247                         if (permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND)
5248                                 R_Mesh_ColorPointer(rsurface.modellightmapcolor4f, rsurface.modellightmapcolor4f_bufferobject, rsurface.modellightmapcolor4f_bufferoffset);
5249                         else
5250                                 R_Mesh_ColorPointer(NULL, 0, 0);
5251                 }
5252                 else
5253                 {
5254                         // ordinary vertex coloring (q3bsp)
5255                         mode = SHADERMODE_VERTEXCOLOR;
5256                         R_Mesh_TexCoordPointer(4, 0, NULL, 0, 0);
5257                         R_Mesh_ColorPointer(rsurface.modellightmapcolor4f, rsurface.modellightmapcolor4f_bufferobject, rsurface.modellightmapcolor4f_bufferoffset);
5258                 }
5259                 R_Mesh_TexCoordPointer(0, 2, rsurface.texcoordtexture2f, rsurface.texcoordtexture2f_bufferobject, rsurface.texcoordtexture2f_bufferoffset);
5260                 if (true || permutation & (SHADERPERMUTATION_DIFFUSE | SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_OFFSETMAPPING))
5261                 {
5262                         R_Mesh_TexCoordPointer(1, 3, rsurface.svector3f, rsurface.svector3f_bufferobject, rsurface.svector3f_bufferoffset);
5263                         R_Mesh_TexCoordPointer(2, 3, rsurface.tvector3f, rsurface.tvector3f_bufferobject, rsurface.tvector3f_bufferoffset);
5264                         R_Mesh_TexCoordPointer(3, 3, rsurface.normal3f, rsurface.normal3f_bufferobject, rsurface.normal3f_bufferoffset);
5265                 }
5266                 else
5267                 {
5268                         R_Mesh_TexCoordPointer(1, 0, NULL, 0, 0);
5269                         R_Mesh_TexCoordPointer(2, 0, NULL, 0, 0);
5270                         R_Mesh_TexCoordPointer(3, 0, NULL, 0, 0);
5271                 }
5272                 GL_AlphaTest((rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST) != 0);
5273                 GL_BlendFunc(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
5274                 allow_colormod = R_BlendFuncAllowsColormod(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
5275         }
5276         if(!allow_colormod)
5277                 colormod = dummy_colormod;
5278         switch(vid.renderpath)
5279         {
5280         case RENDERPATH_GL20:
5281                 R_SetupShader_SetPermutationGLSL(mode, permutation);
5282                 if (r_glsl_permutation->loc_ModelToReflectCube >= 0) {Matrix4x4_ToArrayFloatGL(&rsurface.matrix, m16f);qglUniformMatrix4fvARB(r_glsl_permutation->loc_ModelToReflectCube, 1, false, m16f);}
5283                 if (mode == SHADERMODE_LIGHTSOURCE)
5284                 {
5285                         if (r_glsl_permutation->loc_ModelToLight >= 0) {Matrix4x4_ToArrayFloatGL(&rsurface.entitytolight, m16f);qglUniformMatrix4fvARB(r_glsl_permutation->loc_ModelToLight, 1, false, m16f);}
5286                         if (r_glsl_permutation->loc_LightPosition >= 0) qglUniform3fARB(r_glsl_permutation->loc_LightPosition, rsurface.entitylightorigin[0], rsurface.entitylightorigin[1], rsurface.entitylightorigin[2]);
5287                         if (r_glsl_permutation->loc_LightColor >= 0) qglUniform3fARB(r_glsl_permutation->loc_LightColor, lightcolorbase[0], lightcolorbase[1], lightcolorbase[2]);
5288                         if (r_glsl_permutation->loc_Color_Ambient >= 0) qglUniform3fARB(r_glsl_permutation->loc_Color_Ambient, colormod[0] * ambientscale, colormod[1] * ambientscale, colormod[2] * ambientscale);
5289                         if (r_glsl_permutation->loc_Color_Diffuse >= 0) qglUniform3fARB(r_glsl_permutation->loc_Color_Diffuse, colormod[0] * diffusescale, colormod[1] * diffusescale, colormod[2] * diffusescale);
5290                         if (r_glsl_permutation->loc_Color_Specular >= 0) qglUniform3fARB(r_glsl_permutation->loc_Color_Specular, r_refdef.view.colorscale * specularscale, r_refdef.view.colorscale * specularscale, r_refdef.view.colorscale * specularscale);
5291
5292                         // additive passes are only darkened by fog, not tinted
5293                         if (r_glsl_permutation->loc_FogColor >= 0)
5294                                 qglUniform3fARB(r_glsl_permutation->loc_FogColor, 0, 0, 0);
5295                         if (r_glsl_permutation->loc_SpecularPower >= 0) qglUniform1fARB(r_glsl_permutation->loc_SpecularPower, rsurface.texture->specularpower * (r_shadow_glossexact.integer ? 0.25f : 1.0f));
5296                 }
5297                 else
5298                 {
5299                         if (mode == SHADERMODE_FLATCOLOR)
5300                         {
5301                                 if (r_glsl_permutation->loc_Color_Ambient >= 0) qglUniform3fARB(r_glsl_permutation->loc_Color_Ambient, colormod[0], colormod[1], colormod[2]);
5302                         }
5303                         else if (mode == SHADERMODE_LIGHTDIRECTION)
5304                         {
5305                                 if (r_glsl_permutation->loc_Color_Ambient >= 0) qglUniform3fARB(r_glsl_permutation->loc_Color_Ambient, (r_refdef.scene.ambient + rsurface.modellight_ambient[0] * r_refdef.lightmapintensity) * colormod[0], (r_refdef.scene.ambient + rsurface.modellight_ambient[1] * r_refdef.lightmapintensity) * colormod[1], (r_refdef.scene.ambient + rsurface.modellight_ambient[2] * r_refdef.lightmapintensity) * colormod[2]);
5306                                 if (r_glsl_permutation->loc_Color_Diffuse >= 0) qglUniform3fARB(r_glsl_permutation->loc_Color_Diffuse, r_refdef.lightmapintensity * colormod[0], r_refdef.lightmapintensity * colormod[1], r_refdef.lightmapintensity * colormod[2]);
5307                                 if (r_glsl_permutation->loc_Color_Specular >= 0) qglUniform3fARB(r_glsl_permutation->loc_Color_Specular, r_refdef.lightmapintensity * r_refdef.view.colorscale * specularscale, r_refdef.lightmapintensity * r_refdef.view.colorscale * specularscale, r_refdef.lightmapintensity * r_refdef.view.colorscale * specularscale);
5308                                 if (r_glsl_permutation->loc_DeferredMod_Diffuse >= 0) qglUniform3fARB(r_glsl_permutation->loc_DeferredMod_Diffuse, colormod[0] * r_shadow_deferred_8bitrange.value, colormod[1] * r_shadow_deferred_8bitrange.value, colormod[2] * r_shadow_deferred_8bitrange.value);
5309                                 if (r_glsl_permutation->loc_DeferredMod_Specular >= 0) qglUniform3fARB(r_glsl_permutation->loc_DeferredMod_Specular, specularscale * r_shadow_deferred_8bitrange.value, specularscale * r_shadow_deferred_8bitrange.value, specularscale * r_shadow_deferred_8bitrange.value);
5310                                 if (r_glsl_permutation->loc_LightColor >= 0) qglUniform3fARB(r_glsl_permutation->loc_LightColor, rsurface.modellight_diffuse[0], rsurface.modellight_diffuse[1], rsurface.modellight_diffuse[2]);
5311                                 if (r_glsl_permutation->loc_LightDir >= 0) qglUniform3fARB(r_glsl_permutation->loc_LightDir, rsurface.modellight_lightdir[0], rsurface.modellight_lightdir[1], rsurface.modellight_lightdir[2]);
5312                         }
5313                         else
5314                         {
5315                                 if (r_glsl_permutation->loc_Color_Ambient >= 0) qglUniform3fARB(r_glsl_permutation->loc_Color_Ambient, r_refdef.scene.ambient * colormod[0], r_refdef.scene.ambient * colormod[1], r_refdef.scene.ambient * colormod[2]);
5316                                 if (r_glsl_permutation->loc_Color_Diffuse >= 0) qglUniform3fARB(r_glsl_permutation->loc_Color_Diffuse, rsurface.texture->lightmapcolor[0], rsurface.texture->lightmapcolor[1], rsurface.texture->lightmapcolor[2]);
5317                                 if (r_glsl_permutation->loc_Color_Specular >= 0) qglUniform3fARB(r_glsl_permutation->loc_Color_Specular, r_refdef.lightmapintensity * r_refdef.view.colorscale * specularscale, r_refdef.lightmapintensity * r_refdef.view.colorscale * specularscale, r_refdef.lightmapintensity * r_refdef.view.colorscale * specularscale);
5318                                 if (r_glsl_permutation->loc_DeferredMod_Diffuse >= 0) qglUniform3fARB(r_glsl_permutation->loc_DeferredMod_Diffuse, colormod[0] * diffusescale * r_shadow_deferred_8bitrange.value, colormod[1] * diffusescale * r_shadow_deferred_8bitrange.value, colormod[2] * diffusescale * r_shadow_deferred_8bitrange.value);
5319                                 if (r_glsl_permutation->loc_DeferredMod_Specular >= 0) qglUniform3fARB(r_glsl_permutation->loc_DeferredMod_Specular, specularscale * r_shadow_deferred_8bitrange.value, specularscale * r_shadow_deferred_8bitrange.value, specularscale * r_shadow_deferred_8bitrange.value);
5320                         }
5321                         // additive passes are only darkened by fog, not tinted
5322                         if (r_glsl_permutation->loc_FogColor >= 0)
5323                         {
5324                                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_ADD)
5325                                         qglUniform3fARB(r_glsl_permutation->loc_FogColor, 0, 0, 0);
5326                                 else
5327                                         qglUniform3fARB(r_glsl_permutation->loc_FogColor, r_refdef.fogcolor[0], r_refdef.fogcolor[1], r_refdef.fogcolor[2]);
5328                         }
5329                         if (r_glsl_permutation->loc_DistortScaleRefractReflect >= 0) qglUniform4fARB(r_glsl_permutation->loc_DistortScaleRefractReflect, r_water_refractdistort.value * rsurface.texture->refractfactor, r_water_refractdistort.value * rsurface.texture->refractfactor, r_water_reflectdistort.value * rsurface.texture->reflectfactor, r_water_reflectdistort.value * rsurface.texture->reflectfactor);
5330                         if (r_glsl_permutation->loc_ScreenScaleRefractReflect >= 0) qglUniform4fARB(r_glsl_permutation->loc_ScreenScaleRefractReflect, r_waterstate.screenscale[0], r_waterstate.screenscale[1], r_waterstate.screenscale[0], r_waterstate.screenscale[1]);
5331                         if (r_glsl_permutation->loc_ScreenCenterRefractReflect >= 0) qglUniform4fARB(r_glsl_permutation->loc_ScreenCenterRefractReflect, r_waterstate.screencenter[0], r_waterstate.screencenter[1], r_waterstate.screencenter[0], r_waterstate.screencenter[1]);
5332                         if (r_glsl_permutation->loc_RefractColor >= 0) qglUniform4fARB(r_glsl_permutation->loc_RefractColor, rsurface.texture->refractcolor4f[0], rsurface.texture->refractcolor4f[1], rsurface.texture->refractcolor4f[2], rsurface.texture->refractcolor4f[3] * rsurface.texture->lightmapcolor[3]);
5333                         if (r_glsl_permutation->loc_ReflectColor >= 0) qglUniform4fARB(r_glsl_permutation->loc_ReflectColor, rsurface.texture->reflectcolor4f[0], rsurface.texture->reflectcolor4f[1], rsurface.texture->reflectcolor4f[2], rsurface.texture->reflectcolor4f[3] * rsurface.texture->lightmapcolor[3]);
5334                         if (r_glsl_permutation->loc_ReflectFactor >= 0) qglUniform1fARB(r_glsl_permutation->loc_ReflectFactor, rsurface.texture->reflectmax - rsurface.texture->reflectmin);
5335                         if (r_glsl_permutation->loc_ReflectOffset >= 0) qglUniform1fARB(r_glsl_permutation->loc_ReflectOffset, rsurface.texture->reflectmin);
5336                         if (r_glsl_permutation->loc_SpecularPower >= 0) qglUniform1fARB(r_glsl_permutation->loc_SpecularPower, rsurface.texture->specularpower * (r_shadow_glossexact.integer ? 0.25f : 1.0f));
5337                         if (r_glsl_permutation->loc_NormalmapScrollBlend >= 0) qglUniform2fARB(r_glsl_permutation->loc_NormalmapScrollBlend, rsurface.texture->r_water_waterscroll[0], rsurface.texture->r_water_waterscroll[1]);
5338                 }
5339                 if (r_glsl_permutation->loc_TexMatrix >= 0) {Matrix4x4_ToArrayFloatGL(&rsurface.texture->currenttexmatrix, m16f);qglUniformMatrix4fvARB(r_glsl_permutation->loc_TexMatrix, 1, false, m16f);}
5340                 if (r_glsl_permutation->loc_BackgroundTexMatrix >= 0) {Matrix4x4_ToArrayFloatGL(&rsurface.texture->currentbackgroundtexmatrix, m16f);qglUniformMatrix4fvARB(r_glsl_permutation->loc_BackgroundTexMatrix, 1, false, m16f);}
5341                 if (r_glsl_permutation->loc_ShadowMapMatrix >= 0) {Matrix4x4_ToArrayFloatGL(&r_shadow_shadowmapmatrix, m16f);qglUniformMatrix4fvARB(r_glsl_permutation->loc_ShadowMapMatrix, 1, false, m16f);}
5342                 if (r_glsl_permutation->loc_ShadowMap_TextureScale >= 0) qglUniform2fARB(r_glsl_permutation->loc_ShadowMap_TextureScale, r_shadow_shadowmap_texturescale[0], r_shadow_shadowmap_texturescale[1]);
5343                 if (r_glsl_permutation->loc_ShadowMap_Parameters >= 0) qglUniform4fARB(r_glsl_permutation->loc_ShadowMap_Parameters, r_shadow_shadowmap_parameters[0], r_shadow_shadowmap_parameters[1], r_shadow_shadowmap_parameters[2], r_shadow_shadowmap_parameters[3]);
5344
5345                 if (r_glsl_permutation->loc_Color_Glow >= 0) qglUniform3fARB(r_glsl_permutation->loc_Color_Glow, rsurface.glowmod[0], rsurface.glowmod[1], rsurface.glowmod[2]);
5346                 if (r_glsl_permutation->loc_Alpha >= 0) qglUniform1fARB(r_glsl_permutation->loc_Alpha, rsurface.texture->lightmapcolor[3] * ((rsurface.texture->basematerialflags & MATERIALFLAG_WATERSHADER && r_waterstate.enabled && !r_refdef.view.isoverlay) ? rsurface.texture->r_water_wateralpha : 1));
5347                 if (r_glsl_permutation->loc_EyePosition >= 0) qglUniform3fARB(r_glsl_permutation->loc_EyePosition, rsurface.localvieworigin[0], rsurface.localvieworigin[1], rsurface.localvieworigin[2]);
5348                 if (r_glsl_permutation->loc_Color_Pants >= 0)
5349                 {
5350                         if (rsurface.texture->pantstexture)
5351                                 qglUniform3fARB(r_glsl_permutation->loc_Color_Pants, rsurface.colormap_pantscolor[0], rsurface.colormap_pantscolor[1], rsurface.colormap_pantscolor[2]);
5352                         else
5353                                 qglUniform3fARB(r_glsl_permutation->loc_Color_Pants, 0, 0, 0);
5354                 }
5355                 if (r_glsl_permutation->loc_Color_Shirt >= 0)
5356                 {
5357                         if (rsurface.texture->shirttexture)
5358                                 qglUniform3fARB(r_glsl_permutation->loc_Color_Shirt, rsurface.colormap_shirtcolor[0], rsurface.colormap_shirtcolor[1], rsurface.colormap_shirtcolor[2]);
5359                         else
5360                                 qglUniform3fARB(r_glsl_permutation->loc_Color_Shirt, 0, 0, 0);
5361                 }
5362                 if (r_glsl_permutation->loc_FogPlane >= 0) qglUniform4fARB(r_glsl_permutation->loc_FogPlane, rsurface.fogplane[0], rsurface.fogplane[1], rsurface.fogplane[2], rsurface.fogplane[3]);
5363                 if (r_glsl_permutation->loc_FogPlaneViewDist >= 0) qglUniform1fARB(r_glsl_permutation->loc_FogPlaneViewDist, rsurface.fogplaneviewdist);
5364                 if (r_glsl_permutation->loc_FogRangeRecip >= 0) qglUniform1fARB(r_glsl_permutation->loc_FogRangeRecip, rsurface.fograngerecip);
5365                 if (r_glsl_permutation->loc_FogHeightFade >= 0) qglUniform1fARB(r_glsl_permutation->loc_FogHeightFade, rsurface.fogheightfade);
5366                 if (r_glsl_permutation->loc_OffsetMapping_Scale >= 0) qglUniform1fARB(r_glsl_permutation->loc_OffsetMapping_Scale, r_glsl_offsetmapping_scale.value*rsurface.texture->offsetscale);
5367                 if (r_glsl_permutation->loc_ScreenToDepth >= 0) qglUniform2fARB(r_glsl_permutation->loc_ScreenToDepth, r_refdef.view.viewport.screentodepth[0], r_refdef.view.viewport.screentodepth[1]);
5368                 if (r_glsl_permutation->loc_PixelToScreenTexCoord >= 0) qglUniform2fARB(r_glsl_permutation->loc_PixelToScreenTexCoord, 1.0f/vid.width, 1.0f/vid.height);
5369
5370         //      if (r_glsl_permutation->loc_Texture_First           >= 0) R_Mesh_TexBind(GL20TU_FIRST             , r_texture_white                                     );
5371         //      if (r_glsl_permutation->loc_Texture_Second          >= 0) R_Mesh_TexBind(GL20TU_SECOND            , r_texture_white                                     );
5372         //      if (r_glsl_permutation->loc_Texture_GammaRamps      >= 0) R_Mesh_TexBind(GL20TU_GAMMARAMPS        , r_texture_gammaramps                                );
5373                 if (r_glsl_permutation->loc_Texture_Normal          >= 0) R_Mesh_TexBind(GL20TU_NORMAL            , rsurface.texture->nmaptexture                       );
5374                 if (r_glsl_permutation->loc_Texture_Color           >= 0) R_Mesh_TexBind(GL20TU_COLOR             , rsurface.texture->basetexture                       );
5375                 if (r_glsl_permutation->loc_Texture_Gloss           >= 0) R_Mesh_TexBind(GL20TU_GLOSS             , rsurface.texture->glosstexture                      );
5376                 if (r_glsl_permutation->loc_Texture_Glow            >= 0) R_Mesh_TexBind(GL20TU_GLOW              , rsurface.texture->glowtexture                       );
5377                 if (r_glsl_permutation->loc_Texture_SecondaryNormal >= 0) R_Mesh_TexBind(GL20TU_SECONDARY_NORMAL  , rsurface.texture->backgroundnmaptexture             );
5378                 if (r_glsl_permutation->loc_Texture_SecondaryColor  >= 0) R_Mesh_TexBind(GL20TU_SECONDARY_COLOR   , rsurface.texture->backgroundbasetexture             );
5379                 if (r_glsl_permutation->loc_Texture_SecondaryGloss  >= 0) R_Mesh_TexBind(GL20TU_SECONDARY_GLOSS   , rsurface.texture->backgroundglosstexture            );
5380                 if (r_glsl_permutation->loc_Texture_SecondaryGlow   >= 0) R_Mesh_TexBind(GL20TU_SECONDARY_GLOW    , rsurface.texture->backgroundglowtexture             );
5381                 if (r_glsl_permutation->loc_Texture_Pants           >= 0) R_Mesh_TexBind(GL20TU_PANTS             , rsurface.texture->pantstexture                      );
5382                 if (r_glsl_permutation->loc_Texture_Shirt           >= 0) R_Mesh_TexBind(GL20TU_SHIRT             , rsurface.texture->shirttexture                      );
5383                 if (r_glsl_permutation->loc_Texture_ReflectMask     >= 0) R_Mesh_TexBind(GL20TU_REFLECTMASK       , rsurface.texture->reflectmasktexture                );
5384                 if (r_glsl_permutation->loc_Texture_ReflectCube     >= 0) R_Mesh_TexBind(GL20TU_REFLECTCUBE       , rsurface.texture->reflectcubetexture ? rsurface.texture->reflectcubetexture : r_texture_whitecube);
5385                 if (r_glsl_permutation->loc_Texture_FogHeightTexture>= 0) R_Mesh_TexBind(GL20TU_FOGHEIGHTTEXTURE  , r_texture_fogheighttexture                          );
5386                 if (r_glsl_permutation->loc_Texture_FogMask         >= 0) R_Mesh_TexBind(GL20TU_FOGMASK           , r_texture_fogattenuation                            );
5387                 if (r_glsl_permutation->loc_Texture_Lightmap        >= 0) R_Mesh_TexBind(GL20TU_LIGHTMAP          , r_texture_white                                     );
5388                 if (r_glsl_permutation->loc_Texture_Deluxemap       >= 0) R_Mesh_TexBind(GL20TU_DELUXEMAP         , r_texture_blanknormalmap                            );
5389                 if (r_glsl_permutation->loc_Texture_Attenuation     >= 0) R_Mesh_TexBind(GL20TU_ATTENUATION       , r_shadow_attenuationgradienttexture                 );
5390                 if (r_glsl_permutation->loc_Texture_Refraction      >= 0) R_Mesh_TexBind(GL20TU_REFRACTION        , r_texture_white                                     );
5391                 if (r_glsl_permutation->loc_Texture_Reflection      >= 0) R_Mesh_TexBind(GL20TU_REFLECTION        , r_texture_white                                     );
5392                 if (r_glsl_permutation->loc_Texture_ScreenDepth     >= 0) R_Mesh_TexBind(GL20TU_SCREENDEPTH       , r_shadow_prepassgeometrydepthtexture                );
5393                 if (r_glsl_permutation->loc_Texture_ScreenNormalMap >= 0) R_Mesh_TexBind(GL20TU_SCREENNORMALMAP   , r_shadow_prepassgeometrynormalmaptexture            );
5394                 if (r_glsl_permutation->loc_Texture_ScreenDiffuse   >= 0) R_Mesh_TexBind(GL20TU_SCREENDIFFUSE     , r_shadow_prepasslightingdiffusetexture              );
5395                 if (r_glsl_permutation->loc_Texture_ScreenSpecular  >= 0) R_Mesh_TexBind(GL20TU_SCREENSPECULAR    , r_shadow_prepasslightingspeculartexture             );
5396                 if (rsurface.rtlight || (r_shadow_usingshadowmaportho && !(rsurface.ent_flags & RENDER_NOSELFSHADOW)))
5397                 {
5398                         if (r_glsl_permutation->loc_Texture_ShadowMap2D     >= 0) R_Mesh_TexBind(r_shadow_usingshadowmaportho ? GL20TU_SHADOWMAPORTHO2D : GL20TU_SHADOWMAP2D, r_shadow_shadowmap2dtexture                         );
5399                         if (r_glsl_permutation->loc_Texture_ShadowMapRect   >= 0) R_Mesh_TexBind(r_shadow_usingshadowmaportho ? GL20TU_SHADOWMAPORTHORECT : GL20TU_SHADOWMAPRECT, r_shadow_shadowmaprectangletexture                  );
5400                         if (rsurface.rtlight)
5401                         {
5402                                 if (r_glsl_permutation->loc_Texture_Cube            >= 0) R_Mesh_TexBind(GL20TU_CUBE              , rsurface.rtlight->currentcubemap                    );
5403                                 if (r_shadow_usingshadowmapcube)
5404                                         if (r_glsl_permutation->loc_Texture_ShadowMapCube   >= 0) R_Mesh_TexBind(GL20TU_SHADOWMAPCUBE     , r_shadow_shadowmapcubetexture[r_shadow_shadowmaplod]);
5405                                 if (r_glsl_permutation->loc_Texture_CubeProjection  >= 0) R_Mesh_TexBind(GL20TU_CUBEPROJECTION    , r_shadow_shadowmapvsdcttexture                      );
5406                         }
5407                 }
5408                 CHECKGLERROR
5409                 break;
5410         case RENDERPATH_CGGL:
5411 #ifdef SUPPORTCG
5412                 R_SetupShader_SetPermutationCG(mode, permutation);
5413                 if (r_cg_permutation->fp_ModelToReflectCube) {Matrix4x4_ToArrayFloatGL(&rsurface.matrix, m16f);cgGLSetMatrixParameterfc(r_cg_permutation->fp_ModelToReflectCube, m16f);}CHECKCGERROR
5414                 if (mode == SHADERMODE_LIGHTSOURCE)
5415                 {
5416                         if (r_cg_permutation->vp_ModelToLight) {Matrix4x4_ToArrayFloatGL(&rsurface.entitytolight, m16f);cgGLSetMatrixParameterfc(r_cg_permutation->vp_ModelToLight, m16f);}CHECKCGERROR
5417                         if (r_cg_permutation->vp_LightPosition) cgGLSetParameter3f(r_cg_permutation->vp_LightPosition, rsurface.entitylightorigin[0], rsurface.entitylightorigin[1], rsurface.entitylightorigin[2]);CHECKCGERROR
5418                 }
5419                 else
5420                 {
5421                         if (mode == SHADERMODE_LIGHTDIRECTION)
5422                         {
5423                                 if (r_cg_permutation->vp_LightDir) cgGLSetParameter3f(r_cg_permutation->vp_LightDir, rsurface.modellight_lightdir[0], rsurface.modellight_lightdir[1], rsurface.modellight_lightdir[2]);CHECKCGERROR
5424                         }
5425                 }
5426                 if (r_cg_permutation->vp_TexMatrix) {Matrix4x4_ToArrayFloatGL(&rsurface.texture->currenttexmatrix, m16f);cgGLSetMatrixParameterfc(r_cg_permutation->vp_TexMatrix, m16f);}CHECKCGERROR
5427                 if (r_cg_permutation->vp_BackgroundTexMatrix) {Matrix4x4_ToArrayFloatGL(&rsurface.texture->currentbackgroundtexmatrix, m16f);cgGLSetMatrixParameterfc(r_cg_permutation->vp_BackgroundTexMatrix, m16f);}CHECKCGERROR
5428                 if (r_cg_permutation->vp_ShadowMapMatrix) {Matrix4x4_ToArrayFloatGL(&r_shadow_shadowmapmatrix, m16f);cgGLSetMatrixParameterfc(r_cg_permutation->vp_ShadowMapMatrix, m16f);}CHECKGLERROR
5429                 if (r_cg_permutation->vp_EyePosition) cgGLSetParameter3f(r_cg_permutation->vp_EyePosition, rsurface.localvieworigin[0], rsurface.localvieworigin[1], rsurface.localvieworigin[2]);CHECKCGERROR
5430                 if (r_cg_permutation->vp_FogPlane) cgGLSetParameter4f(r_cg_permutation->vp_FogPlane, rsurface.fogplane[0], rsurface.fogplane[1], rsurface.fogplane[2], rsurface.fogplane[3]);CHECKCGERROR
5431                 CHECKGLERROR
5432
5433                 if (mode == SHADERMODE_LIGHTSOURCE)
5434                 {
5435                         if (r_cg_permutation->fp_LightPosition) cgGLSetParameter3f(r_cg_permutation->fp_LightPosition, rsurface.entitylightorigin[0], rsurface.entitylightorigin[1], rsurface.entitylightorigin[2]);CHECKCGERROR
5436                         if (r_cg_permutation->fp_LightColor) cgGLSetParameter3f(r_cg_permutation->fp_LightColor, lightcolorbase[0], lightcolorbase[1], lightcolorbase[2]);CHECKCGERROR
5437                         if (r_cg_permutation->fp_Color_Ambient) cgGLSetParameter3f(r_cg_permutation->fp_Color_Ambient, colormod[0] * ambientscale, colormod[1] * ambientscale, colormod[2] * ambientscale);CHECKCGERROR
5438                         if (r_cg_permutation->fp_Color_Diffuse) cgGLSetParameter3f(r_cg_permutation->fp_Color_Diffuse, colormod[0] * diffusescale, colormod[1] * diffusescale, colormod[2] * diffusescale);CHECKCGERROR
5439                         if (r_cg_permutation->fp_Color_Specular) cgGLSetParameter3f(r_cg_permutation->fp_Color_Specular, r_refdef.view.colorscale * specularscale, r_refdef.view.colorscale * specularscale, r_refdef.view.colorscale * specularscale);CHECKCGERROR
5440
5441                         // additive passes are only darkened by fog, not tinted
5442                         if (r_cg_permutation->fp_FogColor) cgGLSetParameter3f(r_cg_permutation->fp_FogColor, 0, 0, 0);CHECKCGERROR
5443                         if (r_cg_permutation->fp_SpecularPower) cgGLSetParameter1f(r_cg_permutation->fp_SpecularPower, rsurface.texture->specularpower * (r_shadow_glossexact.integer ? 0.25f : 1.0f));CHECKCGERROR
5444                 }
5445                 else
5446                 {
5447                         if (mode == SHADERMODE_FLATCOLOR)
5448                         {
5449                                 if (r_cg_permutation->fp_Color_Ambient) cgGLSetParameter3f(r_cg_permutation->fp_Color_Ambient, colormod[0], colormod[1], colormod[2]);CHECKCGERROR
5450                         }
5451                         else if (mode == SHADERMODE_LIGHTDIRECTION)
5452                         {
5453                                 if (r_cg_permutation->fp_Color_Ambient) cgGLSetParameter3f(r_cg_permutation->fp_Color_Ambient, (r_refdef.scene.ambient + rsurface.modellight_ambient[0] * r_refdef.lightmapintensity) * colormod[0], (r_refdef.scene.ambient + rsurface.modellight_ambient[1] * r_refdef.lightmapintensity) * colormod[1], (r_refdef.scene.ambient + rsurface.modellight_ambient[2] * r_refdef.lightmapintensity) * colormod[2]);CHECKCGERROR
5454                                 if (r_cg_permutation->fp_Color_Diffuse) cgGLSetParameter3f(r_cg_permutation->fp_Color_Diffuse, r_refdef.lightmapintensity * colormod[0], r_refdef.lightmapintensity * colormod[1], r_refdef.lightmapintensity * colormod[2]);CHECKCGERROR
5455                                 if (r_cg_permutation->fp_Color_Specular) cgGLSetParameter3f(r_cg_permutation->fp_Color_Specular, r_refdef.lightmapintensity * r_refdef.view.colorscale * specularscale, r_refdef.lightmapintensity * r_refdef.view.colorscale * specularscale, r_refdef.lightmapintensity * r_refdef.view.colorscale * specularscale);CHECKCGERROR
5456                                 if (r_cg_permutation->fp_DeferredMod_Diffuse) cgGLSetParameter3f(r_cg_permutation->fp_DeferredMod_Diffuse, colormod[0] * r_shadow_deferred_8bitrange.value, colormod[1] * r_shadow_deferred_8bitrange.value, colormod[2] * r_shadow_deferred_8bitrange.value);CHECKCGERROR
5457                                 if (r_cg_permutation->fp_DeferredMod_Specular) cgGLSetParameter3f(r_cg_permutation->fp_DeferredMod_Specular, specularscale * r_shadow_deferred_8bitrange.value, specularscale * r_shadow_deferred_8bitrange.value, specularscale * r_shadow_deferred_8bitrange.value);CHECKCGERROR
5458                                 if (r_cg_permutation->fp_LightColor) cgGLSetParameter3f(r_cg_permutation->fp_LightColor, rsurface.modellight_diffuse[0], rsurface.modellight_diffuse[1], rsurface.modellight_diffuse[2]);CHECKCGERROR
5459                                 if (r_cg_permutation->fp_LightDir) cgGLSetParameter3f(r_cg_permutation->fp_LightDir, rsurface.modellight_lightdir[0], rsurface.modellight_lightdir[1], rsurface.modellight_lightdir[2]);CHECKCGERROR
5460                         }
5461                         else
5462                         {
5463                                 if (r_cg_permutation->fp_Color_Ambient) cgGLSetParameter3f(r_cg_permutation->fp_Color_Ambient, r_refdef.scene.ambient * colormod[0], r_refdef.scene.ambient * colormod[1], r_refdef.scene.ambient * colormod[2]);CHECKCGERROR
5464                                 if (r_cg_permutation->fp_Color_Diffuse) cgGLSetParameter3f(r_cg_permutation->fp_Color_Diffuse, rsurface.texture->lightmapcolor[0], rsurface.texture->lightmapcolor[1], rsurface.texture->lightmapcolor[2]);CHECKCGERROR
5465                                 if (r_cg_permutation->fp_Color_Specular) cgGLSetParameter3f(r_cg_permutation->fp_Color_Specular, r_refdef.lightmapintensity * r_refdef.view.colorscale * specularscale, r_refdef.lightmapintensity * r_refdef.view.colorscale * specularscale, r_refdef.lightmapintensity * r_refdef.view.colorscale * specularscale);CHECKCGERROR
5466                                 if (r_cg_permutation->fp_DeferredMod_Diffuse) cgGLSetParameter3f(r_cg_permutation->fp_DeferredMod_Diffuse, colormod[0] * diffusescale * r_shadow_deferred_8bitrange.value, colormod[1] * diffusescale * r_shadow_deferred_8bitrange.value, colormod[2] * diffusescale * r_shadow_deferred_8bitrange.value);CHECKCGERROR
5467                                 if (r_cg_permutation->fp_DeferredMod_Specular) cgGLSetParameter3f(r_cg_permutation->fp_DeferredMod_Specular, specularscale * r_shadow_deferred_8bitrange.value, specularscale * r_shadow_deferred_8bitrange.value, specularscale * r_shadow_deferred_8bitrange.value);CHECKCGERROR
5468                         }
5469                         // additive passes are only darkened by fog, not tinted
5470                         if (r_cg_permutation->fp_FogColor)
5471                         {
5472                                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_ADD)
5473                                         cgGLSetParameter3f(r_cg_permutation->fp_FogColor, 0, 0, 0);
5474                                 else
5475                                         cgGLSetParameter3f(r_cg_permutation->fp_FogColor, r_refdef.fogcolor[0], r_refdef.fogcolor[1], r_refdef.fogcolor[2]);
5476                                 CHECKCGERROR
5477                         }
5478                         if (r_cg_permutation->fp_DistortScaleRefractReflect) cgGLSetParameter4f(r_cg_permutation->fp_DistortScaleRefractReflect, r_water_refractdistort.value * rsurface.texture->refractfactor, r_water_refractdistort.value * rsurface.texture->refractfactor, r_water_reflectdistort.value * rsurface.texture->reflectfactor, r_water_reflectdistort.value * rsurface.texture->reflectfactor);CHECKCGERROR
5479                         if (r_cg_permutation->fp_ScreenScaleRefractReflect) cgGLSetParameter4f(r_cg_permutation->fp_ScreenScaleRefractReflect, r_waterstate.screenscale[0], r_waterstate.screenscale[1], r_waterstate.screenscale[0], r_waterstate.screenscale[1]);CHECKCGERROR
5480                         if (r_cg_permutation->fp_ScreenCenterRefractReflect) cgGLSetParameter4f(r_cg_permutation->fp_ScreenCenterRefractReflect, r_waterstate.screencenter[0], r_waterstate.screencenter[1], r_waterstate.screencenter[0], r_waterstate.screencenter[1]);CHECKCGERROR
5481                         if (r_cg_permutation->fp_RefractColor) cgGLSetParameter4fv(r_cg_permutation->fp_RefractColor, rsurface.texture->refractcolor4f[0], rsurface.texture->refractcolor4f[1], rsurface.texture->refractcolor4f[2], rsurface.texture->refractcolor4f[3] * rsurface.texture->lightmapcolor[3]);CHECKCGERROR
5482                         if (r_cg_permutation->fp_ReflectColor) cgGLSetParameter4fv(r_cg_permutation->fp_ReflectColor, rsurface.texture->reflectcolor4f[0], rsurface.texture->reflectcolor4f[1], rsurface.texture->reflectcolor4f[2], rsurface.texture->reflectcolor4f[3] * rsurface.texture->lightmapcolor[3]);CHECKCGERROR
5483                         if (r_cg_permutation->fp_ReflectFactor) cgGLSetParameter1f(r_cg_permutation->fp_ReflectFactor, rsurface.texture->reflectmax - rsurface.texture->reflectmin);CHECKCGERROR
5484                         if (r_cg_permutation->fp_ReflectOffset) cgGLSetParameter1f(r_cg_permutation->fp_ReflectOffset, rsurface.texture->reflectmin);CHECKCGERROR
5485                         if (r_cg_permutation->fp_SpecularPower) cgGLSetParameter1f(r_cg_permutation->fp_SpecularPower, rsurface.texture->specularpower * (r_shadow_glossexact.integer ? 0.25f : 1.0f));CHECKCGERROR
5486                         if (r_cg_permutation->fp_NormalmapScrollBlend) cgGLSetParameter2f(r_cg_permutation->fp_NormalmapScrollBlend, rsurface.texture->r_water_waterscroll[0], rsurface.texture->r_water_waterscroll[1]);
5487                 }
5488                 if (r_cg_permutation->fp_ShadowMap_TextureScale) cgGLSetParameter2f(r_cg_permutation->fp_ShadowMap_TextureScale, r_shadow_shadowmap_texturescale[0], r_shadow_shadowmap_texturescale[1]);CHECKCGERROR
5489                 if (r_cg_permutation->fp_ShadowMap_Parameters) cgGLSetParameter4f(r_cg_permutation->fp_ShadowMap_Parameters, r_shadow_shadowmap_parameters[0], r_shadow_shadowmap_parameters[1], r_shadow_shadowmap_parameters[2], r_shadow_shadowmap_parameters[3]);CHECKCGERROR
5490                 if (r_cg_permutation->fp_Color_Glow) cgGLSetParameter3f(r_cg_permutation->fp_Color_Glow, rsurface.glowmod[0], rsurface.glowmod[1], rsurface.glowmod[2]);CHECKCGERROR
5491                 if (r_cg_permutation->fp_Alpha) cgGLSetParameter1f(r_cg_permutation->fp_Alpha, rsurface.texture->lightmapcolor[3] * ((rsurface.texture->basematerialflags & MATERIALFLAG_WATERSHADER && r_waterstate.enabled && !r_refdef.view.isoverlay) ? rsurface.texture->r_water_wateralpha : 1));CHECKCGERROR
5492                 if (r_cg_permutation->fp_EyePosition) cgGLSetParameter3f(r_cg_permutation->fp_EyePosition, rsurface.localvieworigin[0], rsurface.localvieworigin[1], rsurface.localvieworigin[2]);CHECKCGERROR
5493                 if (r_cg_permutation->fp_Color_Pants)
5494                 {
5495                         if (rsurface.texture->pantstexture)
5496                                 cgGLSetParameter3f(r_cg_permutation->fp_Color_Pants, rsurface.colormap_pantscolor[0], rsurface.colormap_pantscolor[1], rsurface.colormap_pantscolor[2]);
5497                         else
5498                                 cgGLSetParameter3f(r_cg_permutation->fp_Color_Pants, 0, 0, 0);
5499                         CHECKCGERROR
5500                 }
5501                 if (r_cg_permutation->fp_Color_Shirt)
5502                 {
5503                         if (rsurface.texture->shirttexture)
5504                                 cgGLSetParameter3f(r_cg_permutation->fp_Color_Shirt, rsurface.colormap_shirtcolor[0], rsurface.colormap_shirtcolor[1], rsurface.colormap_shirtcolor[2]);
5505                         else
5506                                 cgGLSetParameter3f(r_cg_permutation->fp_Color_Shirt, 0, 0, 0);
5507                         CHECKCGERROR
5508                 }
5509                 if (r_cg_permutation->fp_FogPlane) cgGLSetParameter4f(r_cg_permutation->fp_FogPlane, rsurface.fogplane[0], rsurface.fogplane[1], rsurface.fogplane[2], rsurface.fogplane[3]);CHECKCGERROR
5510                 if (r_cg_permutation->fp_FogPlaneViewDist) cgGLSetParameter1f(r_cg_permutation->fp_FogPlaneViewDist, rsurface.fogplaneviewdist);CHECKCGERROR
5511                 if (r_cg_permutation->fp_FogRangeRecip) cgGLSetParameter1f(r_cg_permutation->fp_FogRangeRecip, rsurface.fograngerecip);CHECKCGERROR
5512                 if (r_cg_permutation->fp_FogHeightFade) cgGLSetParameter1f(r_cg_permutation->fp_FogHeightFade, rsurface.fogheightfade);CHECKCGERROR
5513                 if (r_cg_permutation->fp_OffsetMapping_Scale) cgGLSetParameter1f(r_cg_permutation->fp_OffsetMapping_Scale, r_glsl_offsetmapping_scale.value);CHECKCGERROR
5514                 if (r_cg_permutation->fp_ScreenToDepth) cgGLSetParameter2f(r_cg_permutation->fp_ScreenToDepth, r_refdef.view.viewport.screentodepth[0], r_refdef.view.viewport.screentodepth[1]);CHECKCGERROR
5515                 if (r_cg_permutation->fp_PixelToScreenTexCoord) cgGLSetParameter2f(r_cg_permutation->fp_PixelToScreenTexCoord, 1.0f/vid.width, 1.0/vid.height);CHECKCGERROR
5516
5517         //      if (r_cg_permutation->fp_Texture_First          ) CG_BindTexture(r_cg_permutation->fp_Texture_First          , r_texture_white                                     );CHECKCGERROR
5518         //      if (r_cg_permutation->fp_Texture_Second         ) CG_BindTexture(r_cg_permutation->fp_Texture_Second         , r_texture_white                                     );CHECKCGERROR
5519         //      if (r_cg_permutation->fp_Texture_GammaRamps     ) CG_BindTexture(r_cg_permutation->fp_Texture_GammaRamps     , r_texture_gammaramps                                );CHECKCGERROR
5520                 if (r_cg_permutation->fp_Texture_Normal         ) CG_BindTexture(r_cg_permutation->fp_Texture_Normal         , rsurface.texture->nmaptexture                       );CHECKCGERROR
5521                 if (r_cg_permutation->fp_Texture_Color          ) CG_BindTexture(r_cg_permutation->fp_Texture_Color          , rsurface.texture->basetexture                       );CHECKCGERROR
5522                 if (r_cg_permutation->fp_Texture_Gloss          ) CG_BindTexture(r_cg_permutation->fp_Texture_Gloss          , rsurface.texture->glosstexture                      );CHECKCGERROR
5523                 if (r_cg_permutation->fp_Texture_Glow           ) CG_BindTexture(r_cg_permutation->fp_Texture_Glow           , rsurface.texture->glowtexture                       );CHECKCGERROR
5524                 if (r_cg_permutation->fp_Texture_SecondaryNormal) CG_BindTexture(r_cg_permutation->fp_Texture_SecondaryNormal, rsurface.texture->backgroundnmaptexture             );CHECKCGERROR
5525                 if (r_cg_permutation->fp_Texture_SecondaryColor ) CG_BindTexture(r_cg_permutation->fp_Texture_SecondaryColor , rsurface.texture->backgroundbasetexture             );CHECKCGERROR
5526                 if (r_cg_permutation->fp_Texture_SecondaryGloss ) CG_BindTexture(r_cg_permutation->fp_Texture_SecondaryGloss , rsurface.texture->backgroundglosstexture            );CHECKCGERROR
5527                 if (r_cg_permutation->fp_Texture_SecondaryGlow  ) CG_BindTexture(r_cg_permutation->fp_Texture_SecondaryGlow  , rsurface.texture->backgroundglowtexture             );CHECKCGERROR
5528                 if (r_cg_permutation->fp_Texture_Pants          ) CG_BindTexture(r_cg_permutation->fp_Texture_Pants          , rsurface.texture->pantstexture                      );CHECKCGERROR
5529                 if (r_cg_permutation->fp_Texture_Shirt          ) CG_BindTexture(r_cg_permutation->fp_Texture_Shirt          , rsurface.texture->shirttexture                      );CHECKCGERROR
5530                 if (r_cg_permutation->fp_Texture_ReflectMask    ) CG_BindTexture(r_cg_permutation->fp_Texture_ReflectMask    , rsurface.texture->reflectmasktexture                );CHECKCGERROR
5531                 if (r_cg_permutation->fp_Texture_ReflectCube    ) CG_BindTexture(r_cg_permutation->fp_Texture_ReflectCube    , rsurface.texture->reflectcubetexture ? rsurface.texture->reflectcubetexture : r_texture_whitecube);CHECKCGERROR
5532                 if (r_cg_permutation->fp_Texture_FogHeightTexture) CG_BindTexture(r_cg_permutation->fp_Texture_FogHeightTexture, r_texture_fogheighttexture                         );CHECKCGERROR
5533                 if (r_cg_permutation->fp_Texture_FogMask        ) CG_BindTexture(r_cg_permutation->fp_Texture_FogMask        , r_texture_fogattenuation                            );CHECKCGERROR
5534                 if (r_cg_permutation->fp_Texture_Lightmap       ) CG_BindTexture(r_cg_permutation->fp_Texture_Lightmap       , r_texture_white                                     );CHECKCGERROR
5535                 if (r_cg_permutation->fp_Texture_Deluxemap      ) CG_BindTexture(r_cg_permutation->fp_Texture_Deluxemap      , r_texture_blanknormalmap                            );CHECKCGERROR
5536                 if (r_cg_permutation->fp_Texture_Attenuation    ) CG_BindTexture(r_cg_permutation->fp_Texture_Attenuation    , r_shadow_attenuationgradienttexture                 );CHECKCGERROR
5537                 if (r_cg_permutation->fp_Texture_Refraction     ) CG_BindTexture(r_cg_permutation->fp_Texture_Refraction     , r_texture_white                                     );CHECKCGERROR
5538                 if (r_cg_permutation->fp_Texture_Reflection     ) CG_BindTexture(r_cg_permutation->fp_Texture_Reflection     , r_texture_white                                     );CHECKCGERROR
5539                 if (r_cg_permutation->fp_Texture_ScreenDepth    ) CG_BindTexture(r_cg_permutation->fp_Texture_ScreenDepth    , r_shadow_prepassgeometrydepthtexture                );CHECKCGERROR
5540                 if (r_cg_permutation->fp_Texture_ScreenNormalMap) CG_BindTexture(r_cg_permutation->fp_Texture_ScreenNormalMap, r_shadow_prepassgeometrynormalmaptexture            );CHECKCGERROR
5541                 if (r_cg_permutation->fp_Texture_ScreenDiffuse  ) CG_BindTexture(r_cg_permutation->fp_Texture_ScreenDiffuse  , r_shadow_prepasslightingdiffusetexture              );CHECKCGERROR
5542                 if (r_cg_permutation->fp_Texture_ScreenSpecular ) CG_BindTexture(r_cg_permutation->fp_Texture_ScreenSpecular , r_shadow_prepasslightingspeculartexture             );CHECKCGERROR
5543                 if (rsurface.rtlight || (r_shadow_usingshadowmaportho && !(rsurface.ent_flags & RENDER_NOSELFSHADOW)))
5544                 {
5545                         if (r_cg_permutation->fp_Texture_ShadowMap2D    ) CG_BindTexture(r_cg_permutation->fp_Texture_ShadowMap2D    , r_shadow_shadowmap2dtexture                         );CHECKCGERROR
5546                         if (r_cg_permutation->fp_Texture_ShadowMapRect  ) CG_BindTexture(r_cg_permutation->fp_Texture_ShadowMapRect  , r_shadow_shadowmaprectangletexture                  );CHECKCGERROR
5547                         if (rsurface.rtlight)
5548                         {
5549                                 if (r_cg_permutation->fp_Texture_Cube           ) CG_BindTexture(r_cg_permutation->fp_Texture_Cube           , rsurface.rtlight->currentcubemap                    );CHECKCGERROR
5550                                 if (r_shadow_usingshadowmapcube)
5551                                         if (r_cg_permutation->fp_Texture_ShadowMapCube  ) CG_BindTexture(r_cg_permutation->fp_Texture_ShadowMapCube  , r_shadow_shadowmapcubetexture[r_shadow_shadowmaplod]);CHECKCGERROR
5552                                 if (r_cg_permutation->fp_Texture_CubeProjection ) CG_BindTexture(r_cg_permutation->fp_Texture_CubeProjection , r_shadow_shadowmapvsdcttexture                      );CHECKCGERROR
5553                         }
5554                 }
5555
5556                 CHECKGLERROR
5557 #endif
5558                 break;
5559         case RENDERPATH_GL13:
5560         case RENDERPATH_GL11:
5561                 break;
5562         }
5563 }
5564
5565 void R_SetupShader_DeferredLight(const rtlight_t *rtlight)
5566 {
5567         // select a permutation of the lighting shader appropriate to this
5568         // combination of texture, entity, light source, and fogging, only use the
5569         // minimum features necessary to avoid wasting rendering time in the
5570         // fragment shader on features that are not being used
5571         unsigned int permutation = 0;
5572         unsigned int mode = 0;
5573         const float *lightcolorbase = rtlight->currentcolor;
5574         float ambientscale = rtlight->ambientscale;
5575         float diffusescale = rtlight->diffusescale;
5576         float specularscale = rtlight->specularscale;
5577         // this is the location of the light in view space
5578         vec3_t viewlightorigin;
5579         // this transforms from view space (camera) to light space (cubemap)
5580         matrix4x4_t viewtolight;
5581         matrix4x4_t lighttoview;
5582         float viewtolight16f[16];
5583         float range = 1.0f / r_shadow_deferred_8bitrange.value;
5584         // light source
5585         mode = SHADERMODE_DEFERREDLIGHTSOURCE;
5586         if (rtlight->currentcubemap != r_texture_whitecube)
5587                 permutation |= SHADERPERMUTATION_CUBEFILTER;
5588         if (diffusescale > 0)
5589                 permutation |= SHADERPERMUTATION_DIFFUSE;
5590         if (specularscale > 0)
5591                 permutation |= SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_DIFFUSE;
5592         if (r_shadow_usingshadowmaprect || r_shadow_usingshadowmap2d || r_shadow_usingshadowmapcube)
5593         {
5594                 if (r_shadow_usingshadowmaprect)
5595                         permutation |= SHADERPERMUTATION_SHADOWMAPRECT;
5596                 if (r_shadow_usingshadowmap2d)
5597                         permutation |= SHADERPERMUTATION_SHADOWMAP2D;
5598                 if (r_shadow_usingshadowmapcube)
5599                         permutation |= SHADERPERMUTATION_SHADOWMAPCUBE;
5600                 else if(r_shadow_shadowmapvsdct)
5601                         permutation |= SHADERPERMUTATION_SHADOWMAPVSDCT;
5602
5603                 if (r_shadow_shadowmapsampler)
5604                         permutation |= SHADERPERMUTATION_SHADOWSAMPLER;
5605                 if (r_shadow_shadowmappcf > 1)
5606                         permutation |= SHADERPERMUTATION_SHADOWMAPPCF2;
5607                 else if (r_shadow_shadowmappcf)
5608                         permutation |= SHADERPERMUTATION_SHADOWMAPPCF;
5609         }
5610         Matrix4x4_Transform(&r_refdef.view.viewport.viewmatrix, rtlight->shadoworigin, viewlightorigin);
5611         Matrix4x4_Concat(&lighttoview, &r_refdef.view.viewport.viewmatrix, &rtlight->matrix_lighttoworld);
5612         Matrix4x4_Invert_Simple(&viewtolight, &lighttoview);
5613         Matrix4x4_ToArrayFloatGL(&viewtolight, viewtolight16f);
5614         switch(vid.renderpath)
5615         {
5616         case RENDERPATH_GL20:
5617                 R_SetupShader_SetPermutationGLSL(mode, permutation);
5618                 if (r_glsl_permutation->loc_LightPosition             >= 0) qglUniform3fARB(       r_glsl_permutation->loc_LightPosition            , viewlightorigin[0], viewlightorigin[1], viewlightorigin[2]);
5619                 if (r_glsl_permutation->loc_ViewToLight               >= 0) qglUniformMatrix4fvARB(r_glsl_permutation->loc_ViewToLight              , 1, false, viewtolight16f);
5620                 if (r_glsl_permutation->loc_DeferredColor_Ambient     >= 0) qglUniform3fARB(       r_glsl_permutation->loc_DeferredColor_Ambient    , lightcolorbase[0] * ambientscale  * range, lightcolorbase[1] * ambientscale  * range, lightcolorbase[2] * ambientscale  * range);
5621                 if (r_glsl_permutation->loc_DeferredColor_Diffuse     >= 0) qglUniform3fARB(       r_glsl_permutation->loc_DeferredColor_Diffuse    , lightcolorbase[0] * diffusescale  * range, lightcolorbase[1] * diffusescale  * range, lightcolorbase[2] * diffusescale  * range);
5622                 if (r_glsl_permutation->loc_DeferredColor_Specular    >= 0) qglUniform3fARB(       r_glsl_permutation->loc_DeferredColor_Specular   , lightcolorbase[0] * specularscale * range, lightcolorbase[1] * specularscale * range, lightcolorbase[2] * specularscale * range);
5623                 if (r_glsl_permutation->loc_ShadowMap_TextureScale    >= 0) qglUniform2fARB(       r_glsl_permutation->loc_ShadowMap_TextureScale   , r_shadow_shadowmap_texturescale[0], r_shadow_shadowmap_texturescale[1]);
5624                 if (r_glsl_permutation->loc_ShadowMap_Parameters      >= 0) qglUniform4fARB(       r_glsl_permutation->loc_ShadowMap_Parameters     , r_shadow_shadowmap_parameters[0], r_shadow_shadowmap_parameters[1], r_shadow_shadowmap_parameters[2], r_shadow_shadowmap_parameters[3]);
5625                 if (r_glsl_permutation->loc_SpecularPower             >= 0) qglUniform1fARB(       r_glsl_permutation->loc_SpecularPower            , (r_shadow_gloss.integer == 2 ? r_shadow_gloss2exponent.value : r_shadow_glossexponent.value) * (r_shadow_glossexact.integer ? 0.25f : 1.0f));
5626                 if (r_glsl_permutation->loc_ScreenToDepth             >= 0) qglUniform2fARB(       r_glsl_permutation->loc_ScreenToDepth            , r_refdef.view.viewport.screentodepth[0], r_refdef.view.viewport.screentodepth[1]);
5627                 if (r_glsl_permutation->loc_PixelToScreenTexCoord >= 0) qglUniform2fARB(r_glsl_permutation->loc_PixelToScreenTexCoord, 1.0f/vid.width, 1.0f/vid.height);
5628
5629                 if (r_glsl_permutation->loc_Texture_Attenuation       >= 0) R_Mesh_TexBind(GL20TU_ATTENUATION        , r_shadow_attenuationgradienttexture                 );
5630                 if (r_glsl_permutation->loc_Texture_ScreenDepth       >= 0) R_Mesh_TexBind(GL20TU_SCREENDEPTH        , r_shadow_prepassgeometrydepthtexture                );
5631                 if (r_glsl_permutation->loc_Texture_ScreenNormalMap   >= 0) R_Mesh_TexBind(GL20TU_SCREENNORMALMAP    , r_shadow_prepassgeometrynormalmaptexture            );
5632                 if (r_glsl_permutation->loc_Texture_Cube              >= 0) R_Mesh_TexBind(GL20TU_CUBE               , rsurface.rtlight->currentcubemap                    );
5633                 if (r_glsl_permutation->loc_Texture_ShadowMapRect     >= 0) R_Mesh_TexBind(GL20TU_SHADOWMAPRECT      , r_shadow_shadowmaprectangletexture                  );
5634                 if (r_shadow_usingshadowmapcube)
5635                         if (r_glsl_permutation->loc_Texture_ShadowMapCube     >= 0) R_Mesh_TexBind(GL20TU_SHADOWMAPCUBE      , r_shadow_shadowmapcubetexture[r_shadow_shadowmaplod]);
5636                 if (r_glsl_permutation->loc_Texture_ShadowMap2D       >= 0) R_Mesh_TexBind(GL20TU_SHADOWMAP2D        , r_shadow_shadowmap2dtexture                         );
5637                 if (r_glsl_permutation->loc_Texture_CubeProjection    >= 0) R_Mesh_TexBind(GL20TU_CUBEPROJECTION     , r_shadow_shadowmapvsdcttexture                      );
5638                 break;
5639         case RENDERPATH_CGGL:
5640 #ifdef SUPPORTCG
5641                 R_SetupShader_SetPermutationCG(mode, permutation);
5642                 if (r_cg_permutation->fp_LightPosition            ) cgGLSetParameter3f(r_cg_permutation->fp_LightPosition, viewlightorigin[0], viewlightorigin[1], viewlightorigin[2]);CHECKCGERROR
5643                 if (r_cg_permutation->fp_ViewToLight              ) cgGLSetMatrixParameterfc(r_cg_permutation->fp_ViewToLight, viewtolight16f);CHECKCGERROR
5644                 if (r_cg_permutation->fp_DeferredColor_Ambient    ) cgGLSetParameter3f(r_cg_permutation->fp_DeferredColor_Ambient , lightcolorbase[0] * ambientscale  * range, lightcolorbase[1] * ambientscale  * range, lightcolorbase[2] * ambientscale  * range);CHECKCGERROR
5645                 if (r_cg_permutation->fp_DeferredColor_Diffuse    ) cgGLSetParameter3f(r_cg_permutation->fp_DeferredColor_Diffuse , lightcolorbase[0] * diffusescale  * range, lightcolorbase[1] * diffusescale  * range, lightcolorbase[2] * diffusescale  * range);CHECKCGERROR
5646                 if (r_cg_permutation->fp_DeferredColor_Specular   ) cgGLSetParameter3f(r_cg_permutation->fp_DeferredColor_Specular, lightcolorbase[0] * specularscale * range, lightcolorbase[1] * specularscale * range, lightcolorbase[2] * specularscale * range);CHECKCGERROR
5647                 if (r_cg_permutation->fp_ShadowMap_TextureScale   ) cgGLSetParameter2f(r_cg_permutation->fp_ShadowMap_TextureScale, r_shadow_shadowmap_texturescale[0], r_shadow_shadowmap_texturescale[1]);CHECKCGERROR
5648                 if (r_cg_permutation->fp_ShadowMap_Parameters     ) cgGLSetParameter4f(r_cg_permutation->fp_ShadowMap_Parameters, r_shadow_shadowmap_parameters[0], r_shadow_shadowmap_parameters[1], r_shadow_shadowmap_parameters[2], r_shadow_shadowmap_parameters[3]);CHECKCGERROR
5649                 if (r_cg_permutation->fp_SpecularPower            ) cgGLSetParameter1f(r_cg_permutation->fp_SpecularPower, (r_shadow_gloss.integer == 2 ? r_shadow_gloss2exponent.value : r_shadow_glossexponent.value) * (r_shadow_glossexact.integer ? 0.25f : 1.0f));CHECKCGERROR
5650                 if (r_cg_permutation->fp_ScreenToDepth            ) cgGLSetParameter2f(r_cg_permutation->fp_ScreenToDepth, r_refdef.view.viewport.screentodepth[0], r_refdef.view.viewport.screentodepth[1]);CHECKCGERROR
5651                 if (r_cg_permutation->fp_PixelToScreenTexCoord    ) cgGLSetParameter2f(r_cg_permutation->fp_PixelToScreenTexCoord, 1.0f/vid.width, 1.0/vid.height);CHECKCGERROR
5652
5653                 if (r_cg_permutation->fp_Texture_Attenuation      ) CG_BindTexture(r_cg_permutation->fp_Texture_Attenuation    , r_shadow_attenuationgradienttexture                 );CHECKCGERROR
5654                 if (r_cg_permutation->fp_Texture_ScreenDepth      ) CG_BindTexture(r_cg_permutation->fp_Texture_ScreenDepth    , r_shadow_prepassgeometrydepthtexture                );CHECKCGERROR
5655                 if (r_cg_permutation->fp_Texture_ScreenNormalMap  ) CG_BindTexture(r_cg_permutation->fp_Texture_ScreenNormalMap, r_shadow_prepassgeometrynormalmaptexture            );CHECKCGERROR
5656                 if (r_cg_permutation->fp_Texture_Cube             ) CG_BindTexture(r_cg_permutation->fp_Texture_Cube           , rsurface.rtlight->currentcubemap                    );CHECKCGERROR
5657                 if (r_cg_permutation->fp_Texture_ShadowMapRect    ) CG_BindTexture(r_cg_permutation->fp_Texture_ShadowMapRect  , r_shadow_shadowmaprectangletexture                  );CHECKCGERROR
5658                 if (r_shadow_usingshadowmapcube)
5659                         if (r_cg_permutation->fp_Texture_ShadowMapCube    ) CG_BindTexture(r_cg_permutation->fp_Texture_ShadowMapCube  , r_shadow_shadowmapcubetexture[r_shadow_shadowmaplod]);CHECKCGERROR
5660                 if (r_cg_permutation->fp_Texture_ShadowMap2D      ) CG_BindTexture(r_cg_permutation->fp_Texture_ShadowMap2D    , r_shadow_shadowmap2dtexture                         );CHECKCGERROR
5661                 if (r_cg_permutation->fp_Texture_CubeProjection   ) CG_BindTexture(r_cg_permutation->fp_Texture_CubeProjection , r_shadow_shadowmapvsdcttexture                      );CHECKCGERROR
5662 #endif
5663                 break;
5664         case RENDERPATH_GL13:
5665         case RENDERPATH_GL11:
5666                 break;
5667         }
5668 }
5669
5670 #define SKINFRAME_HASH 1024
5671
5672 typedef struct
5673 {
5674         int loadsequence; // incremented each level change
5675         memexpandablearray_t array;
5676         skinframe_t *hash[SKINFRAME_HASH];
5677 }
5678 r_skinframe_t;
5679 r_skinframe_t r_skinframe;
5680
5681 void R_SkinFrame_PrepareForPurge(void)
5682 {
5683         r_skinframe.loadsequence++;
5684         // wrap it without hitting zero
5685         if (r_skinframe.loadsequence >= 200)
5686                 r_skinframe.loadsequence = 1;
5687 }
5688
5689 void R_SkinFrame_MarkUsed(skinframe_t *skinframe)
5690 {
5691         if (!skinframe)
5692                 return;
5693         // mark the skinframe as used for the purging code
5694         skinframe->loadsequence = r_skinframe.loadsequence;
5695 }
5696
5697 void R_SkinFrame_Purge(void)
5698 {
5699         int i;
5700         skinframe_t *s;
5701         for (i = 0;i < SKINFRAME_HASH;i++)
5702         {
5703                 for (s = r_skinframe.hash[i];s;s = s->next)
5704                 {
5705                         if (s->loadsequence && s->loadsequence != r_skinframe.loadsequence)
5706                         {
5707                                 if (s->merged == s->base)
5708                                         s->merged = NULL;
5709                                 // FIXME: maybe pass a pointer to the pointer to R_PurgeTexture and reset it to NULL inside? [11/29/2007 Black]
5710                                 R_PurgeTexture(s->stain );s->stain  = NULL;
5711                                 R_PurgeTexture(s->merged);s->merged = NULL;
5712                                 R_PurgeTexture(s->base  );s->base   = NULL;
5713                                 R_PurgeTexture(s->pants );s->pants  = NULL;
5714                                 R_PurgeTexture(s->shirt );s->shirt  = NULL;
5715                                 R_PurgeTexture(s->nmap  );s->nmap   = NULL;
5716                                 R_PurgeTexture(s->gloss );s->gloss  = NULL;
5717                                 R_PurgeTexture(s->glow  );s->glow   = NULL;
5718                                 R_PurgeTexture(s->fog   );s->fog    = NULL;
5719                                 R_PurgeTexture(s->reflect);s->reflect = NULL;
5720                                 s->loadsequence = 0;
5721                         }
5722                 }
5723         }
5724 }
5725
5726 skinframe_t *R_SkinFrame_FindNextByName( skinframe_t *last, const char *name ) {
5727         skinframe_t *item;
5728         char basename[MAX_QPATH];
5729
5730         Image_StripImageExtension(name, basename, sizeof(basename));
5731
5732         if( last == NULL ) {
5733                 int hashindex;
5734                 hashindex = CRC_Block((unsigned char *)basename, strlen(basename)) & (SKINFRAME_HASH - 1);
5735                 item = r_skinframe.hash[hashindex];
5736         } else {
5737                 item = last->next;
5738         }
5739
5740         // linearly search through the hash bucket
5741         for( ; item ; item = item->next ) {
5742                 if( !strcmp( item->basename, basename ) ) {
5743                         return item;
5744                 }
5745         }
5746         return NULL;
5747 }
5748
5749 skinframe_t *R_SkinFrame_Find(const char *name, int textureflags, int comparewidth, int compareheight, int comparecrc, qboolean add)
5750 {
5751         skinframe_t *item;
5752         int hashindex;
5753         char basename[MAX_QPATH];
5754
5755         Image_StripImageExtension(name, basename, sizeof(basename));
5756
5757         hashindex = CRC_Block((unsigned char *)basename, strlen(basename)) & (SKINFRAME_HASH - 1);
5758         for (item = r_skinframe.hash[hashindex];item;item = item->next)
5759                 if (!strcmp(item->basename, basename) && item->textureflags == textureflags && item->comparewidth == comparewidth && item->compareheight == compareheight && item->comparecrc == comparecrc)
5760                         break;
5761
5762         if (!item) {
5763                 rtexture_t *dyntexture;
5764                 // check whether its a dynamic texture
5765                 dyntexture = CL_GetDynTexture( basename );
5766                 if (!add && !dyntexture)
5767                         return NULL;
5768                 item = (skinframe_t *)Mem_ExpandableArray_AllocRecord(&r_skinframe.array);
5769                 memset(item, 0, sizeof(*item));
5770                 strlcpy(item->basename, basename, sizeof(item->basename));
5771                 item->base = dyntexture; // either NULL or dyntexture handle
5772                 item->textureflags = textureflags;
5773                 item->comparewidth = comparewidth;
5774                 item->compareheight = compareheight;
5775                 item->comparecrc = comparecrc;
5776                 item->next = r_skinframe.hash[hashindex];
5777                 r_skinframe.hash[hashindex] = item;
5778         }
5779         else if( item->base == NULL )
5780         {
5781                 rtexture_t *dyntexture;
5782                 // check whether its a dynamic texture
5783                 // this only needs to be done because Purge doesnt delete skinframes - only sets the texture pointers to NULL and we need to restore it before returing.. [11/29/2007 Black]
5784                 dyntexture = CL_GetDynTexture( basename );
5785                 item->base = dyntexture; // either NULL or dyntexture handle
5786         }
5787
5788         R_SkinFrame_MarkUsed(item);
5789         return item;
5790 }
5791
5792 #define R_SKINFRAME_LOAD_AVERAGE_COLORS(cnt, getpixel) \
5793         { \
5794                 unsigned long long avgcolor[5], wsum; \
5795                 int pix, comp, w; \
5796                 avgcolor[0] = 0; \
5797                 avgcolor[1] = 0; \
5798                 avgcolor[2] = 0; \
5799                 avgcolor[3] = 0; \
5800                 avgcolor[4] = 0; \
5801                 wsum = 0; \
5802                 for(pix = 0; pix < cnt; ++pix) \
5803                 { \
5804                         w = 0; \
5805                         for(comp = 0; comp < 3; ++comp) \
5806                                 w += getpixel; \
5807                         if(w) /* ignore perfectly black pixels because that is better for model skins */ \
5808                         { \
5809                                 ++wsum; \
5810                                 /* comp = 3; -- not needed, comp is always 3 when we get here */ \
5811                                 w = getpixel; \
5812                                 for(comp = 0; comp < 3; ++comp) \
5813                                         avgcolor[comp] += getpixel * w; \
5814                                 avgcolor[3] += w; \
5815                         } \
5816                         /* comp = 3; -- not needed, comp is always 3 when we get here */ \
5817                         avgcolor[4] += getpixel; \
5818                 } \
5819                 if(avgcolor[3] == 0) /* no pixels seen? even worse */ \
5820                         avgcolor[3] = 1; \
5821                 skinframe->avgcolor[0] = avgcolor[2] / (255.0 * avgcolor[3]); \
5822                 skinframe->avgcolor[1] = avgcolor[1] / (255.0 * avgcolor[3]); \
5823                 skinframe->avgcolor[2] = avgcolor[0] / (255.0 * avgcolor[3]); \
5824                 skinframe->avgcolor[3] = avgcolor[4] / (255.0 * cnt); \
5825         }
5826
5827 extern cvar_t gl_picmip;
5828 skinframe_t *R_SkinFrame_LoadExternal(const char *name, int textureflags, qboolean complain)
5829 {
5830         int j;
5831         unsigned char *pixels;
5832         unsigned char *bumppixels;
5833         unsigned char *basepixels = NULL;
5834         int basepixels_width = 0;
5835         int basepixels_height = 0;
5836         skinframe_t *skinframe;
5837         rtexture_t *ddsbase = NULL;
5838         qboolean ddshasalpha = false;
5839         float ddsavgcolor[4];
5840         char basename[MAX_QPATH];
5841         int miplevel = R_PicmipForFlags(textureflags);
5842         int savemiplevel = miplevel;
5843         int mymiplevel;
5844
5845         if (cls.state == ca_dedicated)
5846                 return NULL;
5847
5848         // return an existing skinframe if already loaded
5849         // if loading of the first image fails, don't make a new skinframe as it
5850         // would cause all future lookups of this to be missing
5851         skinframe = R_SkinFrame_Find(name, textureflags, 0, 0, 0, false);
5852         if (skinframe && skinframe->base)
5853                 return skinframe;
5854
5855         Image_StripImageExtension(name, basename, sizeof(basename));
5856
5857         // check for DDS texture file first
5858         if (!r_loaddds || !(ddsbase = R_LoadTextureDDSFile(r_main_texturepool, va("dds/%s.dds", basename), textureflags, &ddshasalpha, ddsavgcolor, miplevel)))
5859         {
5860                 basepixels = loadimagepixelsbgra(name, complain, true, r_texture_convertsRGB_skin.integer, &miplevel);
5861                 if (basepixels == NULL)
5862                         return NULL;
5863         }
5864
5865         // FIXME handle miplevel
5866
5867         if (developer_loading.integer)
5868                 Con_Printf("loading skin \"%s\"\n", name);
5869
5870         // we've got some pixels to store, so really allocate this new texture now
5871         if (!skinframe)
5872                 skinframe = R_SkinFrame_Find(name, textureflags, 0, 0, 0, true);
5873         skinframe->stain = NULL;
5874         skinframe->merged = NULL;
5875         skinframe->base = NULL;
5876         skinframe->pants = NULL;
5877         skinframe->shirt = NULL;
5878         skinframe->nmap = NULL;
5879         skinframe->gloss = NULL;
5880         skinframe->glow = NULL;
5881         skinframe->fog = NULL;
5882         skinframe->reflect = NULL;
5883         skinframe->hasalpha = false;
5884
5885         if (ddsbase)
5886         {
5887                 skinframe->base = ddsbase;
5888                 skinframe->hasalpha = ddshasalpha;
5889                 VectorCopy(ddsavgcolor, skinframe->avgcolor);
5890                 if (r_loadfog && skinframe->hasalpha)
5891                         skinframe->fog = R_LoadTextureDDSFile(r_main_texturepool, va("dds/%s_mask.dds", skinframe->basename), textureflags | TEXF_ALPHA, NULL, NULL, miplevel);
5892                 //Con_Printf("Texture %s has average colors %f %f %f alpha %f\n", name, skinframe->avgcolor[0], skinframe->avgcolor[1], skinframe->avgcolor[2], skinframe->avgcolor[3]);
5893         }
5894         else
5895         {
5896                 basepixels_width = image_width;
5897                 basepixels_height = image_height;
5898                 skinframe->base = R_LoadTexture2D (r_main_texturepool, skinframe->basename, basepixels_width, basepixels_height, basepixels, TEXTYPE_BGRA, textureflags & (gl_texturecompression_color.integer ? ~0 : ~TEXF_COMPRESS), miplevel, NULL);
5899                 if (textureflags & TEXF_ALPHA)
5900                 {
5901                         for (j = 3;j < basepixels_width * basepixels_height * 4;j += 4)
5902                         {
5903                                 if (basepixels[j] < 255)
5904                                 {
5905                                         skinframe->hasalpha = true;
5906                                         break;
5907                                 }
5908                         }
5909                         if (r_loadfog && skinframe->hasalpha)
5910                         {
5911                                 // has transparent pixels
5912                                 pixels = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
5913                                 for (j = 0;j < image_width * image_height * 4;j += 4)
5914                                 {
5915                                         pixels[j+0] = 255;
5916                                         pixels[j+1] = 255;
5917                                         pixels[j+2] = 255;
5918                                         pixels[j+3] = basepixels[j+3];
5919                                 }
5920                                 skinframe->fog = R_LoadTexture2D (r_main_texturepool, va("%s_mask", skinframe->basename), image_width, image_height, pixels, TEXTYPE_BGRA, textureflags & (gl_texturecompression_color.integer ? ~0 : ~TEXF_COMPRESS), miplevel, NULL);
5921                                 Mem_Free(pixels);
5922                         }
5923                 }
5924                 R_SKINFRAME_LOAD_AVERAGE_COLORS(basepixels_width * basepixels_height, basepixels[4 * pix + comp]);
5925                 //Con_Printf("Texture %s has average colors %f %f %f alpha %f\n", name, skinframe->avgcolor[0], skinframe->avgcolor[1], skinframe->avgcolor[2], skinframe->avgcolor[3]);
5926                 if (r_savedds && qglGetCompressedTexImageARB && skinframe->base)
5927                         R_SaveTextureDDSFile(skinframe->base, va("dds/%s.dds", skinframe->basename), true, skinframe->hasalpha);
5928                 if (r_savedds && qglGetCompressedTexImageARB && skinframe->fog)
5929                         R_SaveTextureDDSFile(skinframe->fog, va("dds/%s_mask.dds", skinframe->basename), true, true);
5930         }
5931
5932         if (r_loaddds)
5933         {
5934                 mymiplevel = savemiplevel;
5935                 if (r_loadnormalmap)
5936                         skinframe->nmap = R_LoadTextureDDSFile(r_main_texturepool, va("dds/%s_norm.dds", skinframe->basename), (TEXF_ALPHA | textureflags) & (r_mipnormalmaps.integer ? ~0 : ~TEXF_MIPMAP), NULL, NULL, mymiplevel);
5937                 skinframe->glow = R_LoadTextureDDSFile(r_main_texturepool, va("dds/%s_glow.dds", skinframe->basename), textureflags, NULL, NULL, mymiplevel);
5938                 if (r_loadgloss)
5939                         skinframe->gloss = R_LoadTextureDDSFile(r_main_texturepool, va("dds/%s_gloss.dds", skinframe->basename), textureflags, NULL, NULL, mymiplevel);
5940                 skinframe->pants = R_LoadTextureDDSFile(r_main_texturepool, va("dds/%s_pants.dds", skinframe->basename), textureflags, NULL, NULL, mymiplevel);
5941                 skinframe->shirt = R_LoadTextureDDSFile(r_main_texturepool, va("dds/%s_shirt.dds", skinframe->basename), textureflags, NULL, NULL, mymiplevel);
5942                 skinframe->reflect = R_LoadTextureDDSFile(r_main_texturepool, va("dds/%s_reflect.dds", skinframe->basename), textureflags, NULL, NULL, mymiplevel);
5943         }
5944
5945         // _norm is the name used by tenebrae and has been adopted as standard
5946         if (r_loadnormalmap && skinframe->nmap == NULL)
5947         {
5948                 mymiplevel = savemiplevel;
5949                 if ((pixels = loadimagepixelsbgra(va("%s_norm", skinframe->basename), false, false, false, &mymiplevel)) != NULL)
5950                 {
5951                         skinframe->nmap = R_LoadTexture2D (r_main_texturepool, va("%s_nmap", skinframe->basename), image_width, image_height, pixels, TEXTYPE_BGRA, (TEXF_ALPHA | textureflags) & (r_mipnormalmaps.integer ? ~0 : ~TEXF_MIPMAP) & (gl_texturecompression_normal.integer ? ~0 : ~TEXF_COMPRESS), mymiplevel, NULL);
5952                         Mem_Free(pixels);
5953                         pixels = NULL;
5954                 }
5955                 else if (r_shadow_bumpscale_bumpmap.value > 0 && (bumppixels = loadimagepixelsbgra(va("%s_bump", skinframe->basename), false, false, false, &mymiplevel)) != NULL)
5956                 {
5957                         pixels = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
5958                         Image_HeightmapToNormalmap_BGRA(bumppixels, pixels, image_width, image_height, false, r_shadow_bumpscale_bumpmap.value);
5959                         skinframe->nmap = R_LoadTexture2D (r_main_texturepool, va("%s_nmap", skinframe->basename), image_width, image_height, pixels, TEXTYPE_BGRA, (TEXF_ALPHA | textureflags) & (r_mipnormalmaps.integer ? ~0 : ~TEXF_MIPMAP) & (gl_texturecompression_normal.integer ? ~0 : ~TEXF_COMPRESS), mymiplevel, NULL);
5960                         Mem_Free(pixels);
5961                         Mem_Free(bumppixels);
5962                 }
5963                 else if (r_shadow_bumpscale_basetexture.value > 0)
5964                 {
5965                         pixels = (unsigned char *)Mem_Alloc(tempmempool, basepixels_width * basepixels_height * 4);
5966                         Image_HeightmapToNormalmap_BGRA(basepixels, pixels, basepixels_width, basepixels_height, false, r_shadow_bumpscale_basetexture.value);
5967                         skinframe->nmap = R_LoadTexture2D (r_main_texturepool, va("%s_nmap", skinframe->basename), basepixels_width, basepixels_height, pixels, TEXTYPE_BGRA, (TEXF_ALPHA | textureflags) & (r_mipnormalmaps.integer ? ~0 : ~TEXF_MIPMAP) & (gl_texturecompression_normal.integer ? ~0 : ~TEXF_COMPRESS), mymiplevel, NULL);
5968                         Mem_Free(pixels);
5969                 }
5970                 if (r_savedds && qglGetCompressedTexImageARB && skinframe->nmap)
5971                         R_SaveTextureDDSFile(skinframe->nmap, va("dds/%s_norm.dds", skinframe->basename), true, true);
5972         }
5973
5974         // _luma is supported only for tenebrae compatibility
5975         // _glow is the preferred name
5976         mymiplevel = savemiplevel;
5977         if (skinframe->glow == NULL && ((pixels = loadimagepixelsbgra(va("%s_glow",  skinframe->basename), false, false, r_texture_convertsRGB_skin.integer, &mymiplevel)) || (pixels = loadimagepixelsbgra(va("%s_luma", skinframe->basename), false, false, r_texture_convertsRGB_skin.integer, &mymiplevel))))
5978         {
5979                 skinframe->glow = R_LoadTexture2D (r_main_texturepool, va("%s_glow", skinframe->basename), image_width, image_height, pixels, TEXTYPE_BGRA, textureflags & (gl_texturecompression_glow.integer ? ~0 : ~TEXF_COMPRESS), mymiplevel, NULL);
5980                 if (r_savedds && qglGetCompressedTexImageARB && skinframe->glow)
5981                         R_SaveTextureDDSFile(skinframe->glow, va("dds/%s_glow.dds", skinframe->basename), true, true);
5982                 Mem_Free(pixels);pixels = NULL;
5983         }
5984
5985         mymiplevel = savemiplevel;
5986         if (skinframe->gloss == NULL && r_loadgloss && (pixels = loadimagepixelsbgra(va("%s_gloss", skinframe->basename), false, false, r_texture_convertsRGB_skin.integer, &mymiplevel)))
5987         {
5988                 skinframe->gloss = R_LoadTexture2D (r_main_texturepool, va("%s_gloss", skinframe->basename), image_width, image_height, pixels, TEXTYPE_BGRA, textureflags & (gl_texturecompression_gloss.integer ? ~0 : ~TEXF_COMPRESS), mymiplevel, NULL);
5989                 if (r_savedds && qglGetCompressedTexImageARB && skinframe->gloss)
5990                         R_SaveTextureDDSFile(skinframe->gloss, va("dds/%s_gloss.dds", skinframe->basename), true, true);
5991                 Mem_Free(pixels);
5992                 pixels = NULL;
5993         }
5994
5995         mymiplevel = savemiplevel;
5996         if (skinframe->pants == NULL && (pixels = loadimagepixelsbgra(va("%s_pants", skinframe->basename), false, false, r_texture_convertsRGB_skin.integer, &mymiplevel)))
5997         {
5998                 skinframe->pants = R_LoadTexture2D (r_main_texturepool, va("%s_pants", skinframe->basename), image_width, image_height, pixels, TEXTYPE_BGRA, textureflags & (gl_texturecompression_color.integer ? ~0 : ~TEXF_COMPRESS), mymiplevel, NULL);
5999                 if (r_savedds && qglGetCompressedTexImageARB && skinframe->pants)
6000                         R_SaveTextureDDSFile(skinframe->pants, va("dds/%s_pants.dds", skinframe->basename), true, false);
6001                 Mem_Free(pixels);
6002                 pixels = NULL;
6003         }
6004
6005         mymiplevel = savemiplevel;
6006         if (skinframe->shirt == NULL && (pixels = loadimagepixelsbgra(va("%s_shirt", skinframe->basename), false, false, r_texture_convertsRGB_skin.integer, &mymiplevel)))
6007         {
6008                 skinframe->shirt = R_LoadTexture2D (r_main_texturepool, va("%s_shirt", skinframe->basename), image_width, image_height, pixels, TEXTYPE_BGRA, textureflags & (gl_texturecompression_color.integer ? ~0 : ~TEXF_COMPRESS), mymiplevel, NULL);
6009                 if (r_savedds && qglGetCompressedTexImageARB && skinframe->shirt)
6010                         R_SaveTextureDDSFile(skinframe->shirt, va("dds/%s_shirt.dds", skinframe->basename), true, false);
6011                 Mem_Free(pixels);
6012                 pixels = NULL;
6013         }
6014
6015         mymiplevel = savemiplevel;
6016         if (skinframe->reflect == NULL && (pixels = loadimagepixelsbgra(va("%s_reflect", skinframe->basename), false, false, r_texture_convertsRGB_skin.integer, &mymiplevel)))
6017         {
6018                 skinframe->reflect = R_LoadTexture2D (r_main_texturepool, va("%s_reflect", skinframe->basename), image_width, image_height, pixels, TEXTYPE_BGRA, textureflags & (gl_texturecompression_reflectmask.integer ? ~0 : ~TEXF_COMPRESS), mymiplevel, NULL);
6019                 if (r_savedds && qglGetCompressedTexImageARB && skinframe->reflect)
6020                         R_SaveTextureDDSFile(skinframe->reflect, va("dds/%s_reflect.dds", skinframe->basename), true, true);
6021                 Mem_Free(pixels);
6022                 pixels = NULL;
6023         }
6024
6025         if (basepixels)
6026                 Mem_Free(basepixels);
6027
6028         return skinframe;
6029 }
6030
6031 // this is only used by .spr32 sprites, HL .spr files, HL .bsp files
6032 skinframe_t *R_SkinFrame_LoadInternalBGRA(const char *name, int textureflags, const unsigned char *skindata, int width, int height)
6033 {
6034         int i;
6035         unsigned char *temp1, *temp2;
6036         skinframe_t *skinframe;
6037
6038         if (cls.state == ca_dedicated)
6039                 return NULL;
6040
6041         // if already loaded just return it, otherwise make a new skinframe
6042         skinframe = R_SkinFrame_Find(name, textureflags, width, height, skindata ? CRC_Block(skindata, width*height*4) : 0, true);
6043         if (skinframe && skinframe->base)
6044                 return skinframe;
6045
6046         skinframe->stain = NULL;
6047         skinframe->merged = NULL;
6048         skinframe->base = NULL;
6049         skinframe->pants = NULL;
6050         skinframe->shirt = NULL;
6051         skinframe->nmap = NULL;
6052         skinframe->gloss = NULL;
6053         skinframe->glow = NULL;
6054         skinframe->fog = NULL;
6055         skinframe->reflect = NULL;
6056         skinframe->hasalpha = false;
6057
6058         // if no data was provided, then clearly the caller wanted to get a blank skinframe
6059         if (!skindata)
6060                 return NULL;
6061
6062         if (developer_loading.integer)
6063                 Con_Printf("loading 32bit skin \"%s\"\n", name);
6064
6065         if (r_loadnormalmap && r_shadow_bumpscale_basetexture.value > 0)
6066         {
6067                 temp1 = (unsigned char *)Mem_Alloc(tempmempool, width * height * 8);
6068                 temp2 = temp1 + width * height * 4;
6069                 Image_HeightmapToNormalmap_BGRA(skindata, temp2, width, height, false, r_shadow_bumpscale_basetexture.value);
6070                 skinframe->nmap = R_LoadTexture2D(r_main_texturepool, va("%s_nmap", skinframe->basename), width, height, temp2, TEXTYPE_BGRA, (textureflags | TEXF_ALPHA) & (r_mipnormalmaps.integer ? ~0 : ~TEXF_MIPMAP), -1, NULL);
6071                 Mem_Free(temp1);
6072         }
6073         skinframe->base = skinframe->merged = R_LoadTexture2D(r_main_texturepool, skinframe->basename, width, height, skindata, TEXTYPE_BGRA, textureflags, -1, NULL);
6074         if (textureflags & TEXF_ALPHA)
6075         {
6076                 for (i = 3;i < width * height * 4;i += 4)
6077                 {
6078                         if (skindata[i] < 255)
6079                         {
6080                                 skinframe->hasalpha = true;
6081                                 break;
6082                         }
6083                 }
6084                 if (r_loadfog && skinframe->hasalpha)
6085                 {
6086                         unsigned char *fogpixels = (unsigned char *)Mem_Alloc(tempmempool, width * height * 4);
6087                         memcpy(fogpixels, skindata, width * height * 4);
6088                         for (i = 0;i < width * height * 4;i += 4)
6089                                 fogpixels[i] = fogpixels[i+1] = fogpixels[i+2] = 255;
6090                         skinframe->fog = R_LoadTexture2D(r_main_texturepool, va("%s_fog", skinframe->basename), width, height, fogpixels, TEXTYPE_BGRA, textureflags, -1, NULL);
6091                         Mem_Free(fogpixels);
6092                 }
6093         }
6094
6095         R_SKINFRAME_LOAD_AVERAGE_COLORS(width * height, skindata[4 * pix + comp]);
6096         //Con_Printf("Texture %s has average colors %f %f %f alpha %f\n", name, skinframe->avgcolor[0], skinframe->avgcolor[1], skinframe->avgcolor[2], skinframe->avgcolor[3]);
6097
6098         return skinframe;
6099 }
6100
6101 skinframe_t *R_SkinFrame_LoadInternalQuake(const char *name, int textureflags, int loadpantsandshirt, int loadglowtexture, const unsigned char *skindata, int width, int height)
6102 {
6103         int i;
6104         int featuresmask;
6105         skinframe_t *skinframe;
6106
6107         if (cls.state == ca_dedicated)
6108                 return NULL;
6109
6110         // if already loaded just return it, otherwise make a new skinframe
6111         skinframe = R_SkinFrame_Find(name, textureflags, width, height, skindata ? CRC_Block(skindata, width*height) : 0, true);
6112         if (skinframe && skinframe->base)
6113                 return skinframe;
6114
6115         skinframe->stain = NULL;
6116         skinframe->merged = NULL;
6117         skinframe->base = NULL;
6118         skinframe->pants = NULL;
6119         skinframe->shirt = NULL;
6120         skinframe->nmap = NULL;
6121         skinframe->gloss = NULL;
6122         skinframe->glow = NULL;
6123         skinframe->fog = NULL;
6124         skinframe->reflect = NULL;
6125         skinframe->hasalpha = false;
6126
6127         // if no data was provided, then clearly the caller wanted to get a blank skinframe
6128         if (!skindata)
6129                 return NULL;
6130
6131         if (developer_loading.integer)
6132                 Con_Printf("loading quake skin \"%s\"\n", name);
6133
6134         // we actually don't upload anything until the first use, because mdl skins frequently go unused, and are almost never used in both modes (colormapped and non-colormapped)
6135         skinframe->qpixels = Mem_Alloc(r_main_mempool, width*height);
6136         memcpy(skinframe->qpixels, skindata, width*height);
6137         skinframe->qwidth = width;
6138         skinframe->qheight = height;
6139
6140         featuresmask = 0;
6141         for (i = 0;i < width * height;i++)
6142                 featuresmask |= palette_featureflags[skindata[i]];
6143
6144         skinframe->hasalpha = false;
6145         skinframe->qhascolormapping = loadpantsandshirt && (featuresmask & (PALETTEFEATURE_PANTS | PALETTEFEATURE_SHIRT));
6146         skinframe->qgeneratenmap = r_shadow_bumpscale_basetexture.value > 0;
6147         skinframe->qgeneratemerged = true;
6148         skinframe->qgeneratebase = skinframe->qhascolormapping;
6149         skinframe->qgenerateglow = loadglowtexture && (featuresmask & PALETTEFEATURE_GLOW);
6150
6151         R_SKINFRAME_LOAD_AVERAGE_COLORS(width * height, ((unsigned char *)palette_bgra_complete)[skindata[pix]*4 + comp]);
6152         //Con_Printf("Texture %s has average colors %f %f %f alpha %f\n", name, skinframe->avgcolor[0], skinframe->avgcolor[1], skinframe->avgcolor[2], skinframe->avgcolor[3]);
6153
6154         return skinframe;
6155 }
6156
6157 static void R_SkinFrame_GenerateTexturesFromQPixels(skinframe_t *skinframe, qboolean colormapped)
6158 {
6159         int width;
6160         int height;
6161         unsigned char *skindata;
6162
6163         if (!skinframe->qpixels)
6164                 return;
6165
6166         if (!skinframe->qhascolormapping)
6167                 colormapped = false;
6168
6169         if (colormapped)
6170         {
6171                 if (!skinframe->qgeneratebase)
6172                         return;
6173         }
6174         else
6175         {
6176                 if (!skinframe->qgeneratemerged)
6177                         return;
6178         }
6179
6180         width = skinframe->qwidth;
6181         height = skinframe->qheight;
6182         skindata = skinframe->qpixels;
6183
6184         if (skinframe->qgeneratenmap)
6185         {
6186                 unsigned char *temp1, *temp2;
6187                 skinframe->qgeneratenmap = false;
6188                 temp1 = (unsigned char *)Mem_Alloc(tempmempool, width * height * 8);
6189                 temp2 = temp1 + width * height * 4;
6190                 // use either a custom palette or the quake palette
6191                 Image_Copy8bitBGRA(skindata, temp1, width * height, palette_bgra_complete);
6192                 Image_HeightmapToNormalmap_BGRA(temp1, temp2, width, height, false, r_shadow_bumpscale_basetexture.value);
6193                 skinframe->nmap = R_LoadTexture2D(r_main_texturepool, va("%s_nmap", skinframe->basename), width, height, temp2, TEXTYPE_BGRA, (skinframe->textureflags | TEXF_ALPHA) & (r_mipnormalmaps.integer ? ~0 : ~TEXF_MIPMAP), -1, NULL);
6194                 Mem_Free(temp1);
6195         }
6196
6197         if (skinframe->qgenerateglow)
6198         {
6199                 skinframe->qgenerateglow = false;
6200                 skinframe->glow = R_LoadTexture2D(r_main_texturepool, va("%s_glow", skinframe->basename), width, height, skindata, TEXTYPE_PALETTE, skinframe->textureflags, -1, palette_bgra_onlyfullbrights); // glow
6201         }
6202
6203         if (colormapped)
6204         {
6205                 skinframe->qgeneratebase = false;
6206                 skinframe->base  = R_LoadTexture2D(r_main_texturepool, va("%s_nospecial", skinframe->basename), width, height, skindata, TEXTYPE_PALETTE, skinframe->textureflags, -1, skinframe->glow ? palette_bgra_nocolormapnofullbrights : palette_bgra_nocolormap);
6207                 skinframe->pants = R_LoadTexture2D(r_main_texturepool, va("%s_pants", skinframe->basename), width, height, skindata, TEXTYPE_PALETTE, skinframe->textureflags, -1, palette_bgra_pantsaswhite);
6208                 skinframe->shirt = R_LoadTexture2D(r_main_texturepool, va("%s_shirt", skinframe->basename), width, height, skindata, TEXTYPE_PALETTE, skinframe->textureflags, -1, palette_bgra_shirtaswhite);
6209         }
6210         else
6211         {
6212                 skinframe->qgeneratemerged = false;
6213                 skinframe->merged = R_LoadTexture2D(r_main_texturepool, skinframe->basename, width, height, skindata, TEXTYPE_PALETTE, skinframe->textureflags, -1, skinframe->glow ? palette_bgra_nofullbrights : palette_bgra_complete);
6214         }
6215
6216         if (!skinframe->qgeneratemerged && !skinframe->qgeneratebase)
6217         {
6218                 Mem_Free(skinframe->qpixels);
6219                 skinframe->qpixels = NULL;
6220         }
6221 }
6222
6223 skinframe_t *R_SkinFrame_LoadInternal8bit(const char *name, int textureflags, const unsigned char *skindata, int width, int height, const unsigned int *palette, const unsigned int *alphapalette)
6224 {
6225         int i;
6226         skinframe_t *skinframe;
6227
6228         if (cls.state == ca_dedicated)
6229                 return NULL;
6230
6231         // if already loaded just return it, otherwise make a new skinframe
6232         skinframe = R_SkinFrame_Find(name, textureflags, width, height, skindata ? CRC_Block(skindata, width*height) : 0, true);
6233         if (skinframe && skinframe->base)
6234                 return skinframe;
6235
6236         skinframe->stain = NULL;
6237         skinframe->merged = NULL;
6238         skinframe->base = NULL;
6239         skinframe->pants = NULL;
6240         skinframe->shirt = NULL;
6241         skinframe->nmap = NULL;
6242         skinframe->gloss = NULL;
6243         skinframe->glow = NULL;
6244         skinframe->fog = NULL;
6245         skinframe->reflect = NULL;
6246         skinframe->hasalpha = false;
6247
6248         // if no data was provided, then clearly the caller wanted to get a blank skinframe
6249         if (!skindata)
6250                 return NULL;
6251
6252         if (developer_loading.integer)
6253                 Con_Printf("loading embedded 8bit image \"%s\"\n", name);
6254
6255         skinframe->base = skinframe->merged = R_LoadTexture2D(r_main_texturepool, skinframe->basename, width, height, skindata, TEXTYPE_PALETTE, textureflags, -1, palette);
6256         if (textureflags & TEXF_ALPHA)
6257         {
6258                 for (i = 0;i < width * height;i++)
6259                 {
6260                         if (((unsigned char *)palette)[skindata[i]*4+3] < 255)
6261                         {
6262                                 skinframe->hasalpha = true;
6263                                 break;
6264                         }
6265                 }
6266                 if (r_loadfog && skinframe->hasalpha)
6267                         skinframe->fog = R_LoadTexture2D(r_main_texturepool, va("%s_fog", skinframe->basename), width, height, skindata, TEXTYPE_PALETTE, textureflags, -1, alphapalette);
6268         }
6269
6270         R_SKINFRAME_LOAD_AVERAGE_COLORS(width * height, ((unsigned char *)palette)[skindata[pix]*4 + comp]);
6271         //Con_Printf("Texture %s has average colors %f %f %f alpha %f\n", name, skinframe->avgcolor[0], skinframe->avgcolor[1], skinframe->avgcolor[2], skinframe->avgcolor[3]);
6272
6273         return skinframe;
6274 }
6275
6276 skinframe_t *R_SkinFrame_LoadMissing(void)
6277 {
6278         skinframe_t *skinframe;
6279
6280         if (cls.state == ca_dedicated)
6281                 return NULL;
6282
6283         skinframe = R_SkinFrame_Find("missing", TEXF_FORCENEAREST, 0, 0, 0, true);
6284         skinframe->stain = NULL;
6285         skinframe->merged = NULL;
6286         skinframe->base = NULL;
6287         skinframe->pants = NULL;
6288         skinframe->shirt = NULL;
6289         skinframe->nmap = NULL;
6290         skinframe->gloss = NULL;
6291         skinframe->glow = NULL;
6292         skinframe->fog = NULL;
6293         skinframe->reflect = NULL;
6294         skinframe->hasalpha = false;
6295
6296         skinframe->avgcolor[0] = rand() / RAND_MAX;
6297         skinframe->avgcolor[1] = rand() / RAND_MAX;
6298         skinframe->avgcolor[2] = rand() / RAND_MAX;
6299         skinframe->avgcolor[3] = 1;
6300
6301         return skinframe;
6302 }
6303
6304 //static char *suffix[6] = {"ft", "bk", "rt", "lf", "up", "dn"};
6305 typedef struct suffixinfo_s
6306 {
6307         char *suffix;
6308         qboolean flipx, flipy, flipdiagonal;
6309 }
6310 suffixinfo_t;
6311 static suffixinfo_t suffix[3][6] =
6312 {
6313         {
6314                 {"px",   false, false, false},
6315                 {"nx",   false, false, false},
6316                 {"py",   false, false, false},
6317                 {"ny",   false, false, false},
6318                 {"pz",   false, false, false},
6319                 {"nz",   false, false, false}
6320         },
6321         {
6322                 {"posx", false, false, false},
6323                 {"negx", false, false, false},
6324                 {"posy", false, false, false},
6325                 {"negy", false, false, false},
6326                 {"posz", false, false, false},
6327                 {"negz", false, false, false}
6328         },
6329         {
6330                 {"rt",    true, false,  true},
6331                 {"lf",   false,  true,  true},
6332                 {"ft",    true,  true, false},
6333                 {"bk",   false, false, false},
6334                 {"up",    true, false,  true},
6335                 {"dn",    true, false,  true}
6336         }
6337 };
6338
6339 static int componentorder[4] = {0, 1, 2, 3};
6340
6341 rtexture_t *R_LoadCubemap(const char *basename)
6342 {
6343         int i, j, cubemapsize;
6344         unsigned char *cubemappixels, *image_buffer;
6345         rtexture_t *cubemaptexture;
6346         char name[256];
6347         // must start 0 so the first loadimagepixels has no requested width/height
6348         cubemapsize = 0;
6349         cubemappixels = NULL;
6350         cubemaptexture = NULL;
6351         // keep trying different suffix groups (posx, px, rt) until one loads
6352         for (j = 0;j < 3 && !cubemappixels;j++)
6353         {
6354                 // load the 6 images in the suffix group
6355                 for (i = 0;i < 6;i++)
6356                 {
6357                         // generate an image name based on the base and and suffix
6358                         dpsnprintf(name, sizeof(name), "%s%s", basename, suffix[j][i].suffix);
6359                         // load it
6360                         if ((image_buffer = loadimagepixelsbgra(name, false, false, r_texture_convertsRGB_cubemap.integer, NULL)))
6361                         {
6362                                 // an image loaded, make sure width and height are equal
6363                                 if (image_width == image_height && (!cubemappixels || image_width == cubemapsize))
6364                                 {
6365                                         // if this is the first image to load successfully, allocate the cubemap memory
6366                                         if (!cubemappixels && image_width >= 1)
6367                                         {
6368                                                 cubemapsize = image_width;
6369                                                 // note this clears to black, so unavailable sides are black
6370                                                 cubemappixels = (unsigned char *)Mem_Alloc(tempmempool, 6*cubemapsize*cubemapsize*4);
6371                                         }
6372                                         // copy the image with any flipping needed by the suffix (px and posx types don't need flipping)
6373                                         if (cubemappixels)
6374                                                 Image_CopyMux(cubemappixels+i*cubemapsize*cubemapsize*4, image_buffer, cubemapsize, cubemapsize, suffix[j][i].flipx, suffix[j][i].flipy, suffix[j][i].flipdiagonal, 4, 4, componentorder);
6375                                 }
6376                                 else
6377                                         Con_Printf("Cubemap image \"%s\" (%ix%i) is not square, OpenGL requires square cubemaps.\n", name, image_width, image_height);
6378                                 // free the image
6379                                 Mem_Free(image_buffer);
6380                         }
6381                 }
6382         }
6383         // if a cubemap loaded, upload it
6384         if (cubemappixels)
6385         {
6386                 if (developer_loading.integer)
6387                         Con_Printf("loading cubemap \"%s\"\n", basename);
6388
6389                 cubemaptexture = R_LoadTextureCubeMap(r_main_texturepool, basename, cubemapsize, cubemappixels, TEXTYPE_BGRA, (gl_texturecompression_lightcubemaps.integer ? TEXF_COMPRESS : 0) | TEXF_FORCELINEAR | TEXF_CLAMP, -1, NULL);
6390                 Mem_Free(cubemappixels);
6391         }
6392         else
6393         {
6394                 Con_DPrintf("failed to load cubemap \"%s\"\n", basename);
6395                 if (developer_loading.integer)
6396                 {
6397                         Con_Printf("(tried tried images ");
6398                         for (j = 0;j < 3;j++)
6399                                 for (i = 0;i < 6;i++)
6400                                         Con_Printf("%s\"%s%s.tga\"", j + i > 0 ? ", " : "", basename, suffix[j][i].suffix);
6401                         Con_Print(" and was unable to find any of them).\n");
6402                 }
6403         }
6404         return cubemaptexture;
6405 }
6406
6407 rtexture_t *R_GetCubemap(const char *basename)
6408 {
6409         int i;
6410         for (i = 0;i < r_texture_numcubemaps;i++)
6411                 if (!strcasecmp(r_texture_cubemaps[i].basename, basename))
6412                         return r_texture_cubemaps[i].texture ? r_texture_cubemaps[i].texture : r_texture_whitecube;
6413         if (i >= MAX_CUBEMAPS)
6414                 return r_texture_whitecube;
6415         r_texture_numcubemaps++;
6416         strlcpy(r_texture_cubemaps[i].basename, basename, sizeof(r_texture_cubemaps[i].basename));
6417         r_texture_cubemaps[i].texture = R_LoadCubemap(r_texture_cubemaps[i].basename);
6418         return r_texture_cubemaps[i].texture;
6419 }
6420
6421 void R_FreeCubemaps(void)
6422 {
6423         int i;
6424         for (i = 0;i < r_texture_numcubemaps;i++)
6425         {
6426                 if (developer_loading.integer)
6427                         Con_DPrintf("unloading cubemap \"%s\"\n", r_texture_cubemaps[i].basename);
6428                 if (r_texture_cubemaps[i].texture)
6429                         R_FreeTexture(r_texture_cubemaps[i].texture);
6430         }
6431         r_texture_numcubemaps = 0;
6432 }
6433
6434 void R_Main_FreeViewCache(void)
6435 {
6436         if (r_refdef.viewcache.entityvisible)
6437                 Mem_Free(r_refdef.viewcache.entityvisible);
6438         if (r_refdef.viewcache.world_pvsbits)
6439                 Mem_Free(r_refdef.viewcache.world_pvsbits);
6440         if (r_refdef.viewcache.world_leafvisible)
6441                 Mem_Free(r_refdef.viewcache.world_leafvisible);
6442         if (r_refdef.viewcache.world_surfacevisible)
6443                 Mem_Free(r_refdef.viewcache.world_surfacevisible);
6444         memset(&r_refdef.viewcache, 0, sizeof(r_refdef.viewcache));
6445 }
6446
6447 void R_Main_ResizeViewCache(void)
6448 {
6449         int numentities = r_refdef.scene.numentities;
6450         int numclusters = r_refdef.scene.worldmodel ? r_refdef.scene.worldmodel->brush.num_pvsclusters : 1;
6451         int numclusterbytes = r_refdef.scene.worldmodel ? r_refdef.scene.worldmodel->brush.num_pvsclusterbytes : 1;
6452         int numleafs = r_refdef.scene.worldmodel ? r_refdef.scene.worldmodel->brush.num_leafs : 1;
6453         int numsurfaces = r_refdef.scene.worldmodel ? r_refdef.scene.worldmodel->num_surfaces : 1;
6454         if (r_refdef.viewcache.maxentities < numentities)
6455         {
6456                 r_refdef.viewcache.maxentities = numentities;
6457                 if (r_refdef.viewcache.entityvisible)
6458                         Mem_Free(r_refdef.viewcache.entityvisible);
6459                 r_refdef.viewcache.entityvisible = Mem_Alloc(r_main_mempool, r_refdef.viewcache.maxentities);
6460         }
6461         if (r_refdef.viewcache.world_numclusters != numclusters)
6462         {
6463                 r_refdef.viewcache.world_numclusters = numclusters;
6464                 r_refdef.viewcache.world_numclusterbytes = numclusterbytes;
6465                 if (r_refdef.viewcache.world_pvsbits)
6466                         Mem_Free(r_refdef.viewcache.world_pvsbits);
6467                 r_refdef.viewcache.world_pvsbits = Mem_Alloc(r_main_mempool, r_refdef.viewcache.world_numclusterbytes);
6468         }
6469         if (r_refdef.viewcache.world_numleafs != numleafs)
6470         {
6471                 r_refdef.viewcache.world_numleafs = numleafs;
6472                 if (r_refdef.viewcache.world_leafvisible)
6473                         Mem_Free(r_refdef.viewcache.world_leafvisible);
6474                 r_refdef.viewcache.world_leafvisible = Mem_Alloc(r_main_mempool, r_refdef.viewcache.world_numleafs);
6475         }
6476         if (r_refdef.viewcache.world_numsurfaces != numsurfaces)
6477         {
6478                 r_refdef.viewcache.world_numsurfaces = numsurfaces;
6479                 if (r_refdef.viewcache.world_surfacevisible)
6480                         Mem_Free(r_refdef.viewcache.world_surfacevisible);
6481                 r_refdef.viewcache.world_surfacevisible = Mem_Alloc(r_main_mempool, r_refdef.viewcache.world_numsurfaces);
6482         }
6483 }
6484
6485 extern rtexture_t *loadingscreentexture;
6486 void gl_main_start(void)
6487 {
6488         loadingscreentexture = NULL;
6489         r_texture_blanknormalmap = NULL;
6490         r_texture_white = NULL;
6491         r_texture_grey128 = NULL;
6492         r_texture_black = NULL;
6493         r_texture_whitecube = NULL;
6494         r_texture_normalizationcube = NULL;
6495         r_texture_fogattenuation = NULL;
6496         r_texture_fogheighttexture = NULL;
6497         r_texture_gammaramps = NULL;
6498         r_texture_numcubemaps = 0;
6499
6500         r_loaddds = vid.support.arb_texture_compression && vid.support.ext_texture_compression_s3tc && r_texture_dds_load.integer;
6501         r_savedds = vid.support.arb_texture_compression && vid.support.ext_texture_compression_s3tc && r_texture_dds_save.integer;
6502
6503         switch(vid.renderpath)
6504         {
6505         case RENDERPATH_GL20:
6506         case RENDERPATH_CGGL:
6507                 Cvar_SetValueQuick(&r_textureunits, vid.texunits);
6508                 Cvar_SetValueQuick(&gl_combine, 1);
6509                 Cvar_SetValueQuick(&r_glsl, 1);
6510                 r_loadnormalmap = true;
6511                 r_loadgloss = true;
6512                 r_loadfog = false;
6513                 break;
6514         case RENDERPATH_GL13:
6515                 Cvar_SetValueQuick(&r_textureunits, vid.texunits);
6516                 Cvar_SetValueQuick(&gl_combine, 1);
6517                 Cvar_SetValueQuick(&r_glsl, 0);
6518                 r_loadnormalmap = false;
6519                 r_loadgloss = false;
6520                 r_loadfog = true;
6521                 break;
6522         case RENDERPATH_GL11:
6523                 Cvar_SetValueQuick(&r_textureunits, vid.texunits);
6524                 Cvar_SetValueQuick(&gl_combine, 0);
6525                 Cvar_SetValueQuick(&r_glsl, 0);
6526                 r_loadnormalmap = false;
6527                 r_loadgloss = false;
6528                 r_loadfog = true;
6529                 break;
6530         }
6531
6532         R_AnimCache_Free();
6533         R_FrameData_Reset();
6534
6535         r_numqueries = 0;
6536         r_maxqueries = 0;
6537         memset(r_queries, 0, sizeof(r_queries));
6538
6539         r_qwskincache = NULL;
6540         r_qwskincache_size = 0;
6541
6542         // set up r_skinframe loading system for textures
6543         memset(&r_skinframe, 0, sizeof(r_skinframe));
6544         r_skinframe.loadsequence = 1;
6545         Mem_ExpandableArray_NewArray(&r_skinframe.array, r_main_mempool, sizeof(skinframe_t), 256);
6546
6547         r_main_texturepool = R_AllocTexturePool();
6548         R_BuildBlankTextures();
6549         R_BuildNoTexture();
6550         if (vid.support.arb_texture_cube_map)
6551         {
6552                 R_BuildWhiteCube();
6553                 R_BuildNormalizationCube();
6554         }
6555         r_texture_fogattenuation = NULL;
6556         r_texture_fogheighttexture = NULL;
6557         r_texture_gammaramps = NULL;
6558         //r_texture_fogintensity = NULL;
6559         memset(&r_bloomstate, 0, sizeof(r_bloomstate));
6560         memset(&r_waterstate, 0, sizeof(r_waterstate));
6561         r_glsl_permutation = NULL;
6562         memset(r_glsl_permutationhash, 0, sizeof(r_glsl_permutationhash));
6563         Mem_ExpandableArray_NewArray(&r_glsl_permutationarray, r_main_mempool, sizeof(r_glsl_permutation_t), 256);
6564         glslshaderstring = NULL;
6565 #ifdef SUPPORTCG
6566         r_cg_permutation = NULL;
6567         memset(r_cg_permutationhash, 0, sizeof(r_cg_permutationhash));
6568         Mem_ExpandableArray_NewArray(&r_cg_permutationarray, r_main_mempool, sizeof(r_cg_permutation_t), 256);
6569         cgshaderstring = NULL;
6570 #endif
6571         memset(&r_svbsp, 0, sizeof (r_svbsp));
6572
6573         r_refdef.fogmasktable_density = 0;
6574 }
6575
6576 void gl_main_shutdown(void)
6577 {
6578         R_AnimCache_Free();
6579         R_FrameData_Reset();
6580
6581         R_Main_FreeViewCache();
6582
6583         if (r_maxqueries)
6584                 qglDeleteQueriesARB(r_maxqueries, r_queries);
6585
6586         r_numqueries = 0;
6587         r_maxqueries = 0;
6588         memset(r_queries, 0, sizeof(r_queries));
6589
6590         r_qwskincache = NULL;
6591         r_qwskincache_size = 0;
6592
6593         // clear out the r_skinframe state
6594         Mem_ExpandableArray_FreeArray(&r_skinframe.array);
6595         memset(&r_skinframe, 0, sizeof(r_skinframe));
6596
6597         if (r_svbsp.nodes)
6598                 Mem_Free(r_svbsp.nodes);
6599         memset(&r_svbsp, 0, sizeof (r_svbsp));
6600         R_FreeTexturePool(&r_main_texturepool);
6601         loadingscreentexture = NULL;
6602         r_texture_blanknormalmap = NULL;
6603         r_texture_white = NULL;
6604         r_texture_grey128 = NULL;
6605         r_texture_black = NULL;
6606         r_texture_whitecube = NULL;
6607         r_texture_normalizationcube = NULL;
6608         r_texture_fogattenuation = NULL;
6609         r_texture_fogheighttexture = NULL;
6610         r_texture_gammaramps = NULL;
6611         r_texture_numcubemaps = 0;
6612         //r_texture_fogintensity = NULL;
6613         memset(&r_bloomstate, 0, sizeof(r_bloomstate));
6614         memset(&r_waterstate, 0, sizeof(r_waterstate));
6615         r_glsl_permutation = NULL;
6616         memset(r_glsl_permutationhash, 0, sizeof(r_glsl_permutationhash));
6617         glslshaderstring = NULL;
6618 #ifdef SUPPORTCG
6619         r_cg_permutation = NULL;
6620         memset(r_cg_permutationhash, 0, sizeof(r_cg_permutationhash));
6621         cgshaderstring = NULL;
6622 #endif
6623         R_GLSL_Restart_f();
6624 }
6625
6626 extern void CL_ParseEntityLump(char *entitystring);
6627 void gl_main_newmap(void)
6628 {
6629         // FIXME: move this code to client
6630         char *entities, entname[MAX_QPATH];
6631         if (r_qwskincache)
6632                 Mem_Free(r_qwskincache);
6633         r_qwskincache = NULL;
6634         r_qwskincache_size = 0;
6635         if (cl.worldmodel)
6636         {
6637                 dpsnprintf(entname, sizeof(entname), "%s.ent", cl.worldnamenoextension);
6638                 if ((entities = (char *)FS_LoadFile(entname, tempmempool, true, NULL)))
6639                 {
6640                         CL_ParseEntityLump(entities);
6641                         Mem_Free(entities);
6642                         return;
6643                 }
6644                 if (cl.worldmodel->brush.entities)
6645                         CL_ParseEntityLump(cl.worldmodel->brush.entities);
6646         }
6647         R_Main_FreeViewCache();
6648
6649         R_FrameData_Reset();
6650 }
6651
6652 void GL_Main_Init(void)
6653 {
6654         r_main_mempool = Mem_AllocPool("Renderer", 0, NULL);
6655
6656         Cmd_AddCommand("r_glsl_restart", R_GLSL_Restart_f, "unloads GLSL shaders, they will then be reloaded as needed");
6657         Cmd_AddCommand("r_glsl_dumpshader", R_GLSL_DumpShader_f, "dumps the engine internal default.glsl shader into glsl/default.glsl");
6658         // FIXME: the client should set up r_refdef.fog stuff including the fogmasktable
6659         if (gamemode == GAME_NEHAHRA)
6660         {
6661                 Cvar_RegisterVariable (&gl_fogenable);
6662                 Cvar_RegisterVariable (&gl_fogdensity);
6663                 Cvar_RegisterVariable (&gl_fogred);
6664                 Cvar_RegisterVariable (&gl_foggreen);
6665                 Cvar_RegisterVariable (&gl_fogblue);
6666                 Cvar_RegisterVariable (&gl_fogstart);
6667                 Cvar_RegisterVariable (&gl_fogend);
6668                 Cvar_RegisterVariable (&gl_skyclip);
6669         }
6670         Cvar_RegisterVariable(&r_motionblur);
6671         Cvar_RegisterVariable(&r_motionblur_maxblur);
6672         Cvar_RegisterVariable(&r_motionblur_bmin);
6673         Cvar_RegisterVariable(&r_motionblur_vmin);
6674         Cvar_RegisterVariable(&r_motionblur_vmax);
6675         Cvar_RegisterVariable(&r_motionblur_vcoeff);
6676         Cvar_RegisterVariable(&r_motionblur_randomize);
6677         Cvar_RegisterVariable(&r_damageblur);
6678         Cvar_RegisterVariable(&r_equalize_entities_fullbright);
6679         Cvar_RegisterVariable(&r_equalize_entities_minambient);
6680         Cvar_RegisterVariable(&r_equalize_entities_by);
6681         Cvar_RegisterVariable(&r_equalize_entities_to);
6682         Cvar_RegisterVariable(&r_depthfirst);
6683         Cvar_RegisterVariable(&r_useinfinitefarclip);
6684         Cvar_RegisterVariable(&r_farclip_base);
6685         Cvar_RegisterVariable(&r_farclip_world);
6686         Cvar_RegisterVariable(&r_nearclip);
6687         Cvar_RegisterVariable(&r_showbboxes);
6688         Cvar_RegisterVariable(&r_showsurfaces);
6689         Cvar_RegisterVariable(&r_showtris);
6690         Cvar_RegisterVariable(&r_shownormals);
6691         Cvar_RegisterVariable(&r_showlighting);
6692         Cvar_RegisterVariable(&r_showshadowvolumes);
6693         Cvar_RegisterVariable(&r_showcollisionbrushes);
6694         Cvar_RegisterVariable(&r_showcollisionbrushes_polygonfactor);
6695         Cvar_RegisterVariable(&r_showcollisionbrushes_polygonoffset);
6696         Cvar_RegisterVariable(&r_showdisabledepthtest);
6697         Cvar_RegisterVariable(&r_drawportals);
6698         Cvar_RegisterVariable(&r_drawentities);
6699         Cvar_RegisterVariable(&r_draw2d);
6700         Cvar_RegisterVariable(&r_drawworld);
6701         Cvar_RegisterVariable(&r_cullentities_trace);
6702         Cvar_RegisterVariable(&r_cullentities_trace_samples);
6703         Cvar_RegisterVariable(&r_cullentities_trace_tempentitysamples);
6704         Cvar_RegisterVariable(&r_cullentities_trace_enlarge);
6705         Cvar_RegisterVariable(&r_cullentities_trace_delay);
6706         Cvar_RegisterVariable(&r_drawviewmodel);
6707         Cvar_RegisterVariable(&r_drawexteriormodel);
6708         Cvar_RegisterVariable(&r_speeds);
6709         Cvar_RegisterVariable(&r_fullbrights);
6710         Cvar_RegisterVariable(&r_wateralpha);
6711         Cvar_RegisterVariable(&r_dynamic);
6712         Cvar_RegisterVariable(&r_fakelight);
6713         Cvar_RegisterVariable(&r_fakelight_intensity);
6714         Cvar_RegisterVariable(&r_fullbright);
6715         Cvar_RegisterVariable(&r_shadows);
6716         Cvar_RegisterVariable(&r_shadows_darken);
6717         Cvar_RegisterVariable(&r_shadows_drawafterrtlighting);
6718         Cvar_RegisterVariable(&r_shadows_castfrombmodels);
6719         Cvar_RegisterVariable(&r_shadows_throwdistance);
6720         Cvar_RegisterVariable(&r_shadows_throwdirection);
6721         Cvar_RegisterVariable(&r_shadows_focus);
6722         Cvar_RegisterVariable(&r_shadows_shadowmapscale);
6723         Cvar_RegisterVariable(&r_q1bsp_skymasking);
6724         Cvar_RegisterVariable(&r_polygonoffset_submodel_factor);
6725         Cvar_RegisterVariable(&r_polygonoffset_submodel_offset);
6726         Cvar_RegisterVariable(&r_polygonoffset_decals_factor);
6727         Cvar_RegisterVariable(&r_polygonoffset_decals_offset);
6728         Cvar_RegisterVariable(&r_fog_exp2);
6729         Cvar_RegisterVariable(&r_drawfog);
6730         Cvar_RegisterVariable(&r_transparentdepthmasking);
6731         Cvar_RegisterVariable(&r_texture_dds_load);
6732         Cvar_RegisterVariable(&r_texture_dds_save);
6733         Cvar_RegisterVariable(&r_texture_convertsRGB_2d);
6734         Cvar_RegisterVariable(&r_texture_convertsRGB_skin);
6735         Cvar_RegisterVariable(&r_texture_convertsRGB_cubemap);
6736         Cvar_RegisterVariable(&r_texture_convertsRGB_skybox);
6737         Cvar_RegisterVariable(&r_texture_convertsRGB_particles);
6738         Cvar_RegisterVariable(&r_textureunits);
6739         Cvar_RegisterVariable(&gl_combine);
6740         Cvar_RegisterVariable(&r_glsl);
6741         Cvar_RegisterVariable(&r_glsl_deluxemapping);
6742         Cvar_RegisterVariable(&r_glsl_offsetmapping);
6743         Cvar_RegisterVariable(&r_glsl_offsetmapping_reliefmapping);
6744         Cvar_RegisterVariable(&r_glsl_offsetmapping_scale);
6745         Cvar_RegisterVariable(&r_glsl_postprocess);
6746         Cvar_RegisterVariable(&r_glsl_postprocess_uservec1);
6747         Cvar_RegisterVariable(&r_glsl_postprocess_uservec2);
6748         Cvar_RegisterVariable(&r_glsl_postprocess_uservec3);
6749         Cvar_RegisterVariable(&r_glsl_postprocess_uservec4);
6750         Cvar_RegisterVariable(&r_water);
6751         Cvar_RegisterVariable(&r_water_resolutionmultiplier);
6752         Cvar_RegisterVariable(&r_water_clippingplanebias);
6753         Cvar_RegisterVariable(&r_water_refractdistort);
6754         Cvar_RegisterVariable(&r_water_reflectdistort);
6755         Cvar_RegisterVariable(&r_water_scissormode);
6756         Cvar_RegisterVariable(&r_lerpsprites);
6757         Cvar_RegisterVariable(&r_lerpmodels);
6758         Cvar_RegisterVariable(&r_lerplightstyles);
6759         Cvar_RegisterVariable(&r_waterscroll);
6760         Cvar_RegisterVariable(&r_bloom);
6761         Cvar_RegisterVariable(&r_bloom_colorscale);
6762         Cvar_RegisterVariable(&r_bloom_brighten);
6763         Cvar_RegisterVariable(&r_bloom_blur);
6764         Cvar_RegisterVariable(&r_bloom_resolution);
6765         Cvar_RegisterVariable(&r_bloom_colorexponent);
6766         Cvar_RegisterVariable(&r_bloom_colorsubtract);
6767         Cvar_RegisterVariable(&r_hdr);
6768         Cvar_RegisterVariable(&r_hdr_scenebrightness);
6769         Cvar_RegisterVariable(&r_hdr_glowintensity);
6770         Cvar_RegisterVariable(&r_hdr_range);
6771         Cvar_RegisterVariable(&r_smoothnormals_areaweighting);
6772         Cvar_RegisterVariable(&developer_texturelogging);
6773         Cvar_RegisterVariable(&gl_lightmaps);
6774         Cvar_RegisterVariable(&r_test);
6775         Cvar_RegisterVariable(&r_batchmode);
6776         Cvar_RegisterVariable(&r_glsl_saturation);
6777         Cvar_RegisterVariable(&r_glsl_saturation_redcompensate);
6778         Cvar_RegisterVariable(&r_framedatasize);
6779         if (gamemode == GAME_NEHAHRA || gamemode == GAME_TENEBRAE)
6780                 Cvar_SetValue("r_fullbrights", 0);
6781         R_RegisterModule("GL_Main", gl_main_start, gl_main_shutdown, gl_main_newmap, NULL, NULL);
6782
6783         Cvar_RegisterVariable(&r_track_sprites);
6784         Cvar_RegisterVariable(&r_track_sprites_flags);
6785         Cvar_RegisterVariable(&r_track_sprites_scalew);
6786         Cvar_RegisterVariable(&r_track_sprites_scaleh);
6787         Cvar_RegisterVariable(&r_overheadsprites_perspective);
6788         Cvar_RegisterVariable(&r_overheadsprites_pushback);
6789 }
6790
6791 extern void R_Textures_Init(void);
6792 extern void GL_Draw_Init(void);
6793 extern void GL_Main_Init(void);
6794 extern void R_Shadow_Init(void);
6795 extern void R_Sky_Init(void);
6796 extern void GL_Surf_Init(void);
6797 extern void R_Particles_Init(void);
6798 extern void R_Explosion_Init(void);
6799 extern void gl_backend_init(void);
6800 extern void Sbar_Init(void);
6801 extern void R_LightningBeams_Init(void);
6802 extern void Mod_RenderInit(void);
6803 extern void Font_Init(void);
6804
6805 void Render_Init(void)
6806 {
6807         gl_backend_init();
6808         R_Textures_Init();
6809         GL_Main_Init();
6810         Font_Init();
6811         GL_Draw_Init();
6812         R_Shadow_Init();
6813         R_Sky_Init();
6814         GL_Surf_Init();
6815         Sbar_Init();
6816         R_Particles_Init();
6817         R_Explosion_Init();
6818         R_LightningBeams_Init();
6819         Mod_RenderInit();
6820 }
6821
6822 /*
6823 ===============
6824 GL_Init
6825 ===============
6826 */
6827 extern char *ENGINE_EXTENSIONS;
6828 void GL_Init (void)
6829 {
6830         gl_renderer = (const char *)qglGetString(GL_RENDERER);
6831         gl_vendor = (const char *)qglGetString(GL_VENDOR);
6832         gl_version = (const char *)qglGetString(GL_VERSION);
6833         gl_extensions = (const char *)qglGetString(GL_EXTENSIONS);
6834
6835         if (!gl_extensions)
6836                 gl_extensions = "";
6837         if (!gl_platformextensions)
6838                 gl_platformextensions = "";
6839
6840         Con_Printf("GL_VENDOR: %s\n", gl_vendor);
6841         Con_Printf("GL_RENDERER: %s\n", gl_renderer);
6842         Con_Printf("GL_VERSION: %s\n", gl_version);
6843         Con_DPrintf("GL_EXTENSIONS: %s\n", gl_extensions);
6844         Con_DPrintf("%s_EXTENSIONS: %s\n", gl_platform, gl_platformextensions);
6845
6846         VID_CheckExtensions();
6847
6848         // LordHavoc: report supported extensions
6849         Con_DPrintf("\nQuakeC extensions for server and client: %s\nQuakeC extensions for menu: %s\n", vm_sv_extensions, vm_m_extensions );
6850
6851         // clear to black (loading plaque will be seen over this)
6852         CHECKGLERROR
6853         qglClearColor(0,0,0,1);CHECKGLERROR
6854         qglClear(GL_COLOR_BUFFER_BIT);CHECKGLERROR
6855 }
6856
6857 int R_CullBox(const vec3_t mins, const vec3_t maxs)
6858 {
6859         int i;
6860         mplane_t *p;
6861         for (i = 0;i < r_refdef.view.numfrustumplanes;i++)
6862         {
6863                 // skip nearclip plane, it often culls portals when you are very close, and is almost never useful
6864                 if (i == 4)
6865                         continue;
6866                 p = r_refdef.view.frustum + i;
6867                 switch(p->signbits)
6868                 {
6869                 default:
6870                 case 0:
6871                         if (p->normal[0]*maxs[0] + p->normal[1]*maxs[1] + p->normal[2]*maxs[2] < p->dist)
6872                                 return true;
6873                         break;
6874                 case 1:
6875                         if (p->normal[0]*mins[0] + p->normal[1]*maxs[1] + p->normal[2]*maxs[2] < p->dist)
6876                                 return true;
6877                         break;
6878                 case 2:
6879                         if (p->normal[0]*maxs[0] + p->normal[1]*mins[1] + p->normal[2]*maxs[2] < p->dist)
6880                                 return true;
6881                         break;
6882                 case 3:
6883                         if (p->normal[0]*mins[0] + p->normal[1]*mins[1] + p->normal[2]*maxs[2] < p->dist)
6884                                 return true;
6885                         break;
6886                 case 4:
6887                         if (p->normal[0]*maxs[0] + p->normal[1]*maxs[1] + p->normal[2]*mins[2] < p->dist)
6888                                 return true;
6889                         break;
6890                 case 5:
6891                         if (p->normal[0]*mins[0] + p->normal[1]*maxs[1] + p->normal[2]*mins[2] < p->dist)
6892                                 return true;
6893                         break;
6894                 case 6:
6895                         if (p->normal[0]*maxs[0] + p->normal[1]*mins[1] + p->normal[2]*mins[2] < p->dist)
6896                                 return true;
6897                         break;
6898                 case 7:
6899                         if (p->normal[0]*mins[0] + p->normal[1]*mins[1] + p->normal[2]*mins[2] < p->dist)
6900                                 return true;
6901                         break;
6902                 }
6903         }
6904         return false;
6905 }
6906
6907 int R_CullBoxCustomPlanes(const vec3_t mins, const vec3_t maxs, int numplanes, const mplane_t *planes)
6908 {
6909         int i;
6910         const mplane_t *p;
6911         for (i = 0;i < numplanes;i++)
6912         {
6913                 p = planes + i;
6914                 switch(p->signbits)
6915                 {
6916                 default:
6917                 case 0:
6918                         if (p->normal[0]*maxs[0] + p->normal[1]*maxs[1] + p->normal[2]*maxs[2] < p->dist)
6919                                 return true;
6920                         break;
6921                 case 1:
6922                         if (p->normal[0]*mins[0] + p->normal[1]*maxs[1] + p->normal[2]*maxs[2] < p->dist)
6923                                 return true;
6924                         break;
6925                 case 2:
6926                         if (p->normal[0]*maxs[0] + p->normal[1]*mins[1] + p->normal[2]*maxs[2] < p->dist)
6927                                 return true;
6928                         break;
6929                 case 3:
6930                         if (p->normal[0]*mins[0] + p->normal[1]*mins[1] + p->normal[2]*maxs[2] < p->dist)
6931                                 return true;
6932                         break;
6933                 case 4:
6934                         if (p->normal[0]*maxs[0] + p->normal[1]*maxs[1] + p->normal[2]*mins[2] < p->dist)
6935                                 return true;
6936                         break;
6937                 case 5:
6938                         if (p->normal[0]*mins[0] + p->normal[1]*maxs[1] + p->normal[2]*mins[2] < p->dist)
6939                                 return true;
6940                         break;
6941                 case 6:
6942                         if (p->normal[0]*maxs[0] + p->normal[1]*mins[1] + p->normal[2]*mins[2] < p->dist)
6943                                 return true;
6944                         break;
6945                 case 7:
6946                         if (p->normal[0]*mins[0] + p->normal[1]*mins[1] + p->normal[2]*mins[2] < p->dist)
6947                                 return true;
6948                         break;
6949                 }
6950         }
6951         return false;
6952 }
6953
6954 //==================================================================================
6955
6956 // LordHavoc: this stores temporary data used within the same frame
6957
6958 qboolean r_framedata_failed;
6959 static size_t r_framedata_size;
6960 static size_t r_framedata_current;
6961 static void *r_framedata_base;
6962
6963 void R_FrameData_Reset(void)
6964 {
6965         if (r_framedata_base)
6966                 Mem_Free(r_framedata_base);
6967         r_framedata_base = NULL;
6968         r_framedata_size = 0;
6969         r_framedata_current = 0;
6970         r_framedata_failed = false;
6971 }
6972
6973 void R_FrameData_NewFrame(void)
6974 {
6975         size_t wantedsize;
6976         if (r_framedata_failed)
6977                 Cvar_SetValueQuick(&r_framedatasize, r_framedatasize.value + 1.0f);
6978         wantedsize = (size_t)(r_framedatasize.value * 1024*1024);
6979         wantedsize = bound(65536, wantedsize, 128*1024*1024);
6980         if (r_framedata_size != wantedsize)
6981         {
6982                 r_framedata_size = wantedsize;
6983                 if (r_framedata_base)
6984                         Mem_Free(r_framedata_base);
6985                 r_framedata_base = Mem_Alloc(r_main_mempool, r_framedata_size);
6986         }
6987         r_framedata_current = 0;
6988         r_framedata_failed = false;
6989 }
6990
6991 void *R_FrameData_Alloc(size_t size)
6992 {
6993         void *data;
6994
6995         // align to 16 byte boundary
6996         size = (size + 15) & ~15;
6997         data = (void *)((unsigned char*)r_framedata_base + r_framedata_current);
6998         r_framedata_current += size;
6999
7000         // check overflow
7001         if (r_framedata_current > r_framedata_size)
7002                 r_framedata_failed = true;
7003
7004         // return NULL on everything after a failure
7005         if (r_framedata_failed)
7006                 return NULL;
7007
7008         return data;
7009 }
7010
7011 void *R_FrameData_Store(size_t size, void *data)
7012 {
7013         void *d = R_FrameData_Alloc(size);
7014         if (d)
7015                 memcpy(d, data, size);
7016         return d;
7017 }
7018
7019 //==================================================================================
7020
7021 // LordHavoc: animcache originally written by Echon, rewritten since then
7022
7023 /**
7024  * Animation cache prevents re-generating mesh data for an animated model
7025  * multiple times in one frame for lighting, shadowing, reflections, etc.
7026  */
7027
7028 void R_AnimCache_Free(void)
7029 {
7030 }
7031
7032 void R_AnimCache_ClearCache(void)
7033 {
7034         int i;
7035         entity_render_t *ent;
7036
7037         for (i = 0;i < r_refdef.scene.numentities;i++)
7038         {
7039                 ent = r_refdef.scene.entities[i];
7040                 ent->animcache_vertex3f = NULL;
7041                 ent->animcache_normal3f = NULL;
7042                 ent->animcache_svector3f = NULL;
7043                 ent->animcache_tvector3f = NULL;
7044         }
7045 }
7046
7047 qboolean R_AnimCache_GetEntity(entity_render_t *ent, qboolean wantnormals, qboolean wanttangents)
7048 {
7049         dp_model_t *model = ent->model;
7050         int numvertices;
7051         // see if it's already cached this frame
7052         if (ent->animcache_vertex3f)
7053         {
7054                 // add normals/tangents if needed
7055                 if (wantnormals || wanttangents)
7056                 {
7057                         if (ent->animcache_normal3f)
7058                                 wantnormals = false;
7059                         if (ent->animcache_svector3f)
7060                                 wanttangents = false;
7061                         if (wantnormals || wanttangents)
7062                         {
7063                                 numvertices = model->surfmesh.num_vertices;
7064                                 if (wantnormals)
7065                                         ent->animcache_normal3f = R_FrameData_Alloc(sizeof(float[3])*numvertices);
7066                                 if (wanttangents)
7067                                 {
7068                                         ent->animcache_svector3f = R_FrameData_Alloc(sizeof(float[3])*numvertices);
7069                                         ent->animcache_tvector3f = R_FrameData_Alloc(sizeof(float[3])*numvertices);
7070                                 }
7071                                 if (!r_framedata_failed)
7072                                         model->AnimateVertices(model, ent->frameblend, ent->skeleton, NULL, wantnormals ? ent->animcache_normal3f : NULL, wanttangents ? ent->animcache_svector3f : NULL, wanttangents ? ent->animcache_tvector3f : NULL);
7073                         }
7074                 }
7075         }
7076         else
7077         {
7078                 // see if this ent is worth caching
7079                 if (!model || !model->Draw || !model->surfmesh.isanimated || !model->AnimateVertices || (ent->frameblend[0].lerp == 1 && ent->frameblend[0].subframe == 0 && !ent->skeleton))
7080                         return false;
7081                 // get some memory for this entity and generate mesh data
7082                 numvertices = model->surfmesh.num_vertices;
7083                 ent->animcache_vertex3f = R_FrameData_Alloc(sizeof(float[3])*numvertices);
7084                 if (wantnormals)
7085                         ent->animcache_normal3f = R_FrameData_Alloc(sizeof(float[3])*numvertices);
7086                 if (wanttangents)
7087                 {
7088                         ent->animcache_svector3f = R_FrameData_Alloc(sizeof(float[3])*numvertices);
7089                         ent->animcache_tvector3f = R_FrameData_Alloc(sizeof(float[3])*numvertices);
7090                 }
7091                 if (!r_framedata_failed)
7092                         model->AnimateVertices(model, ent->frameblend, ent->skeleton, ent->animcache_vertex3f, ent->animcache_normal3f, ent->animcache_svector3f, ent->animcache_tvector3f);
7093         }
7094         return !r_framedata_failed;
7095 }
7096
7097 void R_AnimCache_CacheVisibleEntities(void)
7098 {
7099         int i;
7100         qboolean wantnormals = !r_showsurfaces.integer;
7101         qboolean wanttangents = !r_showsurfaces.integer;
7102
7103         switch(vid.renderpath)
7104         {
7105         case RENDERPATH_GL20:
7106         case RENDERPATH_CGGL:
7107                 break;
7108         case RENDERPATH_GL13:
7109         case RENDERPATH_GL11:
7110                 wanttangents = false;
7111                 break;
7112         }
7113
7114         // TODO: thread this
7115         // NOTE: R_PrepareRTLights() also caches entities
7116
7117         for (i = 0;i < r_refdef.scene.numentities;i++)
7118                 if (r_refdef.viewcache.entityvisible[i])
7119                         R_AnimCache_GetEntity(r_refdef.scene.entities[i], wantnormals, wanttangents);
7120 }
7121
7122 //==================================================================================
7123
7124 static void R_View_UpdateEntityLighting (void)
7125 {
7126         int i;
7127         entity_render_t *ent;
7128         vec3_t tempdiffusenormal, avg;
7129         vec_t f, fa, fd, fdd;
7130         qboolean skipunseen = r_shadows.integer != 1; //|| R_Shadow_ShadowMappingEnabled();
7131
7132         for (i = 0;i < r_refdef.scene.numentities;i++)
7133         {
7134                 ent = r_refdef.scene.entities[i];
7135
7136                 // skip unseen models
7137                 if (!r_refdef.viewcache.entityvisible[i] && skipunseen)
7138                         continue;
7139
7140                 // skip bsp models
7141                 if (ent->model && ent->model->brush.num_leafs)
7142                 {
7143                         // TODO: use modellight for r_ambient settings on world?
7144                         VectorSet(ent->modellight_ambient, 0, 0, 0);
7145                         VectorSet(ent->modellight_diffuse, 0, 0, 0);
7146                         VectorSet(ent->modellight_lightdir, 0, 0, 1);
7147                         continue;
7148                 }
7149
7150                 // fetch the lighting from the worldmodel data
7151                 VectorClear(ent->modellight_ambient);
7152                 VectorClear(ent->modellight_diffuse);
7153                 VectorClear(tempdiffusenormal);
7154                 if ((ent->flags & RENDER_LIGHT) && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.LightPoint)
7155                 {
7156                         vec3_t org;
7157                         Matrix4x4_OriginFromMatrix(&ent->matrix, org);
7158                         r_refdef.scene.worldmodel->brush.LightPoint(r_refdef.scene.worldmodel, org, ent->modellight_ambient, ent->modellight_diffuse, tempdiffusenormal);
7159                         if(ent->flags & RENDER_EQUALIZE)
7160                         {
7161                                 // first fix up ambient lighting...
7162                                 if(r_equalize_entities_minambient.value > 0)
7163                                 {
7164                                         fd = 0.299f * ent->modellight_diffuse[0] + 0.587f * ent->modellight_diffuse[1] + 0.114f * ent->modellight_diffuse[2];
7165                                         if(fd > 0)
7166                                         {
7167                                                 fa = (0.299f * ent->modellight_ambient[0] + 0.587f * ent->modellight_ambient[1] + 0.114f * ent->modellight_ambient[2]);
7168                                                 if(fa < r_equalize_entities_minambient.value * fd)
7169                                                 {
7170                                                         // solve:
7171                                                         //   fa'/fd' = minambient
7172                                                         //   fa'+0.25*fd' = fa+0.25*fd
7173                                                         //   ...
7174                                                         //   fa' = fd' * minambient
7175                                                         //   fd'*(0.25+minambient) = fa+0.25*fd
7176                                                         //   ...
7177                                                         //   fd' = (fa+0.25*fd) * 1 / (0.25+minambient)
7178                                                         //   fa' = (fa+0.25*fd) * minambient / (0.25+minambient)
7179                                                         //   ...
7180                                                         fdd = (fa + 0.25f * fd) / (0.25f + r_equalize_entities_minambient.value);
7181                                                         f = fdd / fd; // f>0 because all this is additive; f<1 because fdd<fd because this follows from fa < r_equalize_entities_minambient.value * fd
7182                                                         VectorMA(ent->modellight_ambient, (1-f)*0.25f, ent->modellight_diffuse, ent->modellight_ambient);
7183                                                         VectorScale(ent->modellight_diffuse, f, ent->modellight_diffuse);
7184                                                 }
7185                                         }
7186                                 }
7187
7188                                 if(r_equalize_entities_to.value > 0 && r_equalize_entities_by.value != 0)
7189                                 {
7190                                         VectorMA(ent->modellight_ambient, 0.25f, ent->modellight_diffuse, avg);
7191                                         f = 0.299f * avg[0] + 0.587f * avg[1] + 0.114f * avg[2];
7192                                         if(f > 0)
7193                                         {
7194                                                 f = pow(f / r_equalize_entities_to.value, -r_equalize_entities_by.value);
7195                                                 VectorScale(ent->modellight_ambient, f, ent->modellight_ambient);
7196                                                 VectorScale(ent->modellight_diffuse, f, ent->modellight_diffuse);
7197                                         }
7198                                 }
7199                         }
7200                 }
7201                 else // highly rare
7202                         VectorSet(ent->modellight_ambient, 1, 1, 1);
7203
7204                 // move the light direction into modelspace coordinates for lighting code
7205                 Matrix4x4_Transform3x3(&ent->inversematrix, tempdiffusenormal, ent->modellight_lightdir);
7206                 if(VectorLength2(ent->modellight_lightdir) == 0)
7207                         VectorSet(ent->modellight_lightdir, 0, 0, 1); // have to set SOME valid vector here
7208                 VectorNormalize(ent->modellight_lightdir);
7209         }
7210 }
7211
7212 #define MAX_LINEOFSIGHTTRACES 64
7213
7214 static qboolean R_CanSeeBox(int numsamples, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
7215 {
7216         int i;
7217         vec3_t boxmins, boxmaxs;
7218         vec3_t start;
7219         vec3_t end;
7220         dp_model_t *model = r_refdef.scene.worldmodel;
7221
7222         if (!model || !model->brush.TraceLineOfSight)
7223                 return true;
7224
7225         // expand the box a little
7226         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
7227         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
7228         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
7229         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
7230         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
7231         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
7232
7233         // return true if eye is inside enlarged box
7234         if (BoxesOverlap(boxmins, boxmaxs, eye, eye))
7235                 return true;
7236
7237         // try center
7238         VectorCopy(eye, start);
7239         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, end);
7240         if (model->brush.TraceLineOfSight(model, start, end))
7241                 return true;
7242
7243         // try various random positions
7244         for (i = 0;i < numsamples;i++)
7245         {
7246                 VectorSet(end, lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
7247                 if (model->brush.TraceLineOfSight(model, start, end))
7248                         return true;
7249         }
7250
7251         return false;
7252 }
7253
7254
7255 static void R_View_UpdateEntityVisible (void)
7256 {
7257         int i;
7258         int renderimask;
7259         int samples;
7260         entity_render_t *ent;
7261
7262         renderimask = r_refdef.envmap                                    ? (RENDER_EXTERIORMODEL | RENDER_VIEWMODEL)
7263                 : r_waterstate.renderingrefraction                       ? (RENDER_EXTERIORMODEL | RENDER_VIEWMODEL)
7264                 : (chase_active.integer || r_waterstate.renderingscene)  ? RENDER_VIEWMODEL
7265                 :                                                          RENDER_EXTERIORMODEL;
7266         if (!r_drawviewmodel.integer)
7267                 renderimask |= RENDER_VIEWMODEL;
7268         if (!r_drawexteriormodel.integer)
7269                 renderimask |= RENDER_EXTERIORMODEL;
7270         if (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.BoxTouchingVisibleLeafs)
7271         {
7272                 // worldmodel can check visibility
7273                 memset(r_refdef.viewcache.entityvisible, 0, r_refdef.scene.numentities);
7274                 for (i = 0;i < r_refdef.scene.numentities;i++)
7275                 {
7276                         ent = r_refdef.scene.entities[i];
7277                         if (!(ent->flags & renderimask))
7278                         if (!R_CullBox(ent->mins, ent->maxs) || (ent->model && ent->model->type == mod_sprite && (ent->model->sprite.sprnum_type == SPR_LABEL || ent->model->sprite.sprnum_type == SPR_LABEL_SCALE)))
7279                         if ((ent->flags & (RENDER_NODEPTHTEST | RENDER_VIEWMODEL)) || r_refdef.scene.worldmodel->brush.BoxTouchingVisibleLeafs(r_refdef.scene.worldmodel, r_refdef.viewcache.world_leafvisible, ent->mins, ent->maxs))
7280                                 r_refdef.viewcache.entityvisible[i] = true;
7281                 }
7282                 if(r_cullentities_trace.integer && r_refdef.scene.worldmodel->brush.TraceLineOfSight && !r_refdef.view.useclipplane)
7283                         // sorry, this check doesn't work for portal/reflection/refraction renders as the view origin is not useful for culling
7284                 {
7285                         for (i = 0;i < r_refdef.scene.numentities;i++)
7286                         {
7287                                 ent = r_refdef.scene.entities[i];
7288                                 if(r_refdef.viewcache.entityvisible[i] && !(ent->flags & (RENDER_VIEWMODEL | RENDER_NOCULL | RENDER_NODEPTHTEST)) && !(ent->model && (ent->model->name[0] == '*')))
7289                                 {
7290                                         samples = ent->entitynumber ? r_cullentities_trace_samples.integer : r_cullentities_trace_tempentitysamples.integer;
7291                                         if (samples < 0)
7292                                                 continue; // temp entities do pvs only
7293                                         if(R_CanSeeBox(samples, r_cullentities_trace_enlarge.value, r_refdef.view.origin, ent->mins, ent->maxs))
7294                                                 ent->last_trace_visibility = realtime;
7295                                         if(ent->last_trace_visibility < realtime - r_cullentities_trace_delay.value)
7296                                                 r_refdef.viewcache.entityvisible[i] = 0;
7297                                 }
7298                         }
7299                 }
7300         }
7301         else
7302         {
7303                 // no worldmodel or it can't check visibility
7304                 for (i = 0;i < r_refdef.scene.numentities;i++)
7305                 {
7306                         ent = r_refdef.scene.entities[i];
7307                         r_refdef.viewcache.entityvisible[i] = !(ent->flags & renderimask) && ((ent->model && ent->model->type == mod_sprite && (ent->model->sprite.sprnum_type == SPR_LABEL || ent->model->sprite.sprnum_type == SPR_LABEL_SCALE)) || !R_CullBox(ent->mins, ent->maxs));
7308                 }
7309         }
7310 }
7311
7312 /// only used if skyrendermasked, and normally returns false
7313 int R_DrawBrushModelsSky (void)
7314 {
7315         int i, sky;
7316         entity_render_t *ent;
7317
7318         sky = false;
7319         for (i = 0;i < r_refdef.scene.numentities;i++)
7320         {
7321                 if (!r_refdef.viewcache.entityvisible[i])
7322                         continue;
7323                 ent = r_refdef.scene.entities[i];
7324                 if (!ent->model || !ent->model->DrawSky)
7325                         continue;
7326                 ent->model->DrawSky(ent);
7327                 sky = true;
7328         }
7329         return sky;
7330 }
7331
7332 static void R_DrawNoModel(entity_render_t *ent);
7333 static void R_DrawModels(void)
7334 {
7335         int i;
7336         entity_render_t *ent;
7337
7338         for (i = 0;i < r_refdef.scene.numentities;i++)
7339         {
7340                 if (!r_refdef.viewcache.entityvisible[i])
7341                         continue;
7342                 ent = r_refdef.scene.entities[i];
7343                 r_refdef.stats.entities++;
7344                 if (ent->model && ent->model->Draw != NULL)
7345                         ent->model->Draw(ent);
7346                 else
7347                         R_DrawNoModel(ent);
7348         }
7349 }
7350
7351 static void R_DrawModelsDepth(void)
7352 {
7353         int i;
7354         entity_render_t *ent;
7355
7356         for (i = 0;i < r_refdef.scene.numentities;i++)
7357         {
7358                 if (!r_refdef.viewcache.entityvisible[i])
7359                         continue;
7360                 ent = r_refdef.scene.entities[i];
7361                 if (ent->model && ent->model->DrawDepth != NULL)
7362                         ent->model->DrawDepth(ent);
7363         }
7364 }
7365
7366 static void R_DrawModelsDebug(void)
7367 {
7368         int i;
7369         entity_render_t *ent;
7370
7371         for (i = 0;i < r_refdef.scene.numentities;i++)
7372         {
7373                 if (!r_refdef.viewcache.entityvisible[i])
7374                         continue;
7375                 ent = r_refdef.scene.entities[i];
7376                 if (ent->model && ent->model->DrawDebug != NULL)
7377                         ent->model->DrawDebug(ent);
7378         }
7379 }
7380
7381 static void R_DrawModelsAddWaterPlanes(void)
7382 {
7383         int i;
7384         entity_render_t *ent;
7385
7386         for (i = 0;i < r_refdef.scene.numentities;i++)
7387         {
7388                 if (!r_refdef.viewcache.entityvisible[i])
7389                         continue;
7390                 ent = r_refdef.scene.entities[i];
7391                 if (ent->model && ent->model->DrawAddWaterPlanes != NULL)
7392                         ent->model->DrawAddWaterPlanes(ent);
7393         }
7394 }
7395
7396 static void R_View_SetFrustum(const int *scissor)
7397 {
7398         int i;
7399         double fpx = +1, fnx = -1, fpy = +1, fny = -1;
7400         vec3_t forward, left, up, origin, v;
7401
7402         if(scissor)
7403         {
7404                 // flipped x coordinates (because x points left here)
7405                 fpx =  1.0 - 2.0 * (scissor[0]              - r_refdef.view.viewport.x) / (double) (r_refdef.view.viewport.width);
7406                 fnx =  1.0 - 2.0 * (scissor[0] + scissor[2] - r_refdef.view.viewport.x) / (double) (r_refdef.view.viewport.width);
7407
7408                 // non-flipped y coordinates
7409                 fny = -1.0 + 2.0 * (scissor[1]              - r_refdef.view.viewport.y) / (double) (r_refdef.view.viewport.height);
7410                 fpy = -1.0 + 2.0 * (scissor[1] + scissor[3] - r_refdef.view.viewport.y) / (double) (r_refdef.view.viewport.height);
7411         }
7412
7413         // we can't trust r_refdef.view.forward and friends in reflected scenes
7414         Matrix4x4_ToVectors(&r_refdef.view.matrix, forward, left, up, origin);
7415
7416 #if 0
7417         r_refdef.view.frustum[0].normal[0] = 0 - 1.0 / r_refdef.view.frustum_x;
7418         r_refdef.view.frustum[0].normal[1] = 0 - 0;
7419         r_refdef.view.frustum[0].normal[2] = -1 - 0;
7420         r_refdef.view.frustum[1].normal[0] = 0 + 1.0 / r_refdef.view.frustum_x;
7421         r_refdef.view.frustum[1].normal[1] = 0 + 0;
7422         r_refdef.view.frustum[1].normal[2] = -1 + 0;
7423         r_refdef.view.frustum[2].normal[0] = 0 - 0;
7424         r_refdef.view.frustum[2].normal[1] = 0 - 1.0 / r_refdef.view.frustum_y;
7425         r_refdef.view.frustum[2].normal[2] = -1 - 0;
7426         r_refdef.view.frustum[3].normal[0] = 0 + 0;
7427         r_refdef.view.frustum[3].normal[1] = 0 + 1.0 / r_refdef.view.frustum_y;
7428         r_refdef.view.frustum[3].normal[2] = -1 + 0;
7429 #endif
7430
7431 #if 0
7432         zNear = r_refdef.nearclip;
7433         nudge = 1.0 - 1.0 / (1<<23);
7434         r_refdef.view.frustum[4].normal[0] = 0 - 0;
7435         r_refdef.view.frustum[4].normal[1] = 0 - 0;
7436         r_refdef.view.frustum[4].normal[2] = -1 - -nudge;
7437         r_refdef.view.frustum[4].dist = 0 - -2 * zNear * nudge;
7438         r_refdef.view.frustum[5].normal[0] = 0 + 0;
7439         r_refdef.view.frustum[5].normal[1] = 0 + 0;
7440         r_refdef.view.frustum[5].normal[2] = -1 + -nudge;
7441         r_refdef.view.frustum[5].dist = 0 + -2 * zNear * nudge;
7442 #endif
7443
7444
7445
7446 #if 0
7447         r_refdef.view.frustum[0].normal[0] = m[3] - m[0];
7448         r_refdef.view.frustum[0].normal[1] = m[7] - m[4];
7449         r_refdef.view.frustum[0].normal[2] = m[11] - m[8];
7450         r_refdef.view.frustum[0].dist = m[15] - m[12];
7451
7452         r_refdef.view.frustum[1].normal[0] = m[3] + m[0];
7453         r_refdef.view.frustum[1].normal[1] = m[7] + m[4];
7454         r_refdef.view.frustum[1].normal[2] = m[11] + m[8];
7455         r_refdef.view.frustum[1].dist = m[15] + m[12];
7456
7457         r_refdef.view.frustum[2].normal[0] = m[3] - m[1];
7458         r_refdef.view.frustum[2].normal[1] = m[7] - m[5];
7459         r_refdef.view.frustum[2].normal[2] = m[11] - m[9];
7460         r_refdef.view.frustum[2].dist = m[15] - m[13];
7461
7462         r_refdef.view.frustum[3].normal[0] = m[3] + m[1];
7463         r_refdef.view.frustum[3].normal[1] = m[7] + m[5];
7464         r_refdef.view.frustum[3].normal[2] = m[11] + m[9];
7465         r_refdef.view.frustum[3].dist = m[15] + m[13];
7466
7467         r_refdef.view.frustum[4].normal[0] = m[3] - m[2];
7468         r_refdef.view.frustum[4].normal[1] = m[7] - m[6];
7469         r_refdef.view.frustum[4].normal[2] = m[11] - m[10];
7470         r_refdef.view.frustum[4].dist = m[15] - m[14];
7471
7472         r_refdef.view.frustum[5].normal[0] = m[3] + m[2];
7473         r_refdef.view.frustum[5].normal[1] = m[7] + m[6];
7474         r_refdef.view.frustum[5].normal[2] = m[11] + m[10];
7475         r_refdef.view.frustum[5].dist = m[15] + m[14];
7476 #endif
7477
7478         if (r_refdef.view.useperspective)
7479         {
7480                 // calculate frustum corners, which are used to calculate deformed frustum planes for shadow caster culling
7481                 VectorMAMAM(1024, forward, fnx * 1024.0 * r_refdef.view.frustum_x, left, fny * 1024.0 * r_refdef.view.frustum_y, up, r_refdef.view.frustumcorner[0]);
7482                 VectorMAMAM(1024, forward, fpx * 1024.0 * r_refdef.view.frustum_x, left, fny * 1024.0 * r_refdef.view.frustum_y, up, r_refdef.view.frustumcorner[1]);
7483                 VectorMAMAM(1024, forward, fnx * 1024.0 * r_refdef.view.frustum_x, left, fpy * 1024.0 * r_refdef.view.frustum_y, up, r_refdef.view.frustumcorner[2]);
7484                 VectorMAMAM(1024, forward, fpx * 1024.0 * r_refdef.view.frustum_x, left, fpy * 1024.0 * r_refdef.view.frustum_y, up, r_refdef.view.frustumcorner[3]);
7485
7486                 // then the normals from the corners relative to origin
7487                 CrossProduct(r_refdef.view.frustumcorner[2], r_refdef.view.frustumcorner[0], r_refdef.view.frustum[0].normal);
7488                 CrossProduct(r_refdef.view.frustumcorner[1], r_refdef.view.frustumcorner[3], r_refdef.view.frustum[1].normal);
7489                 CrossProduct(r_refdef.view.frustumcorner[0], r_refdef.view.frustumcorner[1], r_refdef.view.frustum[2].normal);
7490                 CrossProduct(r_refdef.view.frustumcorner[3], r_refdef.view.frustumcorner[2], r_refdef.view.frustum[3].normal);
7491
7492                 // in a NORMAL view, forward cross left == up
7493                 // in a REFLECTED view, forward cross left == down
7494                 // so our cross products above need to be adjusted for a left handed coordinate system
7495                 CrossProduct(forward, left, v);
7496                 if(DotProduct(v, up) < 0)
7497                 {
7498                         VectorNegate(r_refdef.view.frustum[0].normal, r_refdef.view.frustum[0].normal);
7499                         VectorNegate(r_refdef.view.frustum[1].normal, r_refdef.view.frustum[1].normal);
7500                         VectorNegate(r_refdef.view.frustum[2].normal, r_refdef.view.frustum[2].normal);
7501                         VectorNegate(r_refdef.view.frustum[3].normal, r_refdef.view.frustum[3].normal);
7502                 }
7503
7504                 // Leaving those out was a mistake, those were in the old code, and they
7505                 // fix a reproducable bug in this one: frustum culling got fucked up when viewmatrix was an identity matrix
7506                 // I couldn't reproduce it after adding those normalizations. --blub
7507                 VectorNormalize(r_refdef.view.frustum[0].normal);
7508                 VectorNormalize(r_refdef.view.frustum[1].normal);
7509                 VectorNormalize(r_refdef.view.frustum[2].normal);
7510                 VectorNormalize(r_refdef.view.frustum[3].normal);
7511
7512                 // make the corners absolute
7513                 VectorAdd(r_refdef.view.frustumcorner[0], r_refdef.view.origin, r_refdef.view.frustumcorner[0]);
7514                 VectorAdd(r_refdef.view.frustumcorner[1], r_refdef.view.origin, r_refdef.view.frustumcorner[1]);
7515                 VectorAdd(r_refdef.view.frustumcorner[2], r_refdef.view.origin, r_refdef.view.frustumcorner[2]);
7516                 VectorAdd(r_refdef.view.frustumcorner[3], r_refdef.view.origin, r_refdef.view.frustumcorner[3]);
7517
7518                 // one more normal
7519                 VectorCopy(forward, r_refdef.view.frustum[4].normal);
7520
7521                 r_refdef.view.frustum[0].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[0].normal);
7522                 r_refdef.view.frustum[1].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[1].normal);
7523                 r_refdef.view.frustum[2].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[2].normal);
7524                 r_refdef.view.frustum[3].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[3].normal);
7525                 r_refdef.view.frustum[4].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[4].normal) + r_refdef.nearclip;
7526         }
7527         else
7528         {
7529                 VectorScale(left, -r_refdef.view.ortho_x, r_refdef.view.frustum[0].normal);
7530                 VectorScale(left,  r_refdef.view.ortho_x, r_refdef.view.frustum[1].normal);
7531                 VectorScale(up, -r_refdef.view.ortho_y, r_refdef.view.frustum[2].normal);
7532                 VectorScale(up,  r_refdef.view.ortho_y, r_refdef.view.frustum[3].normal);
7533                 VectorCopy(forward, r_refdef.view.frustum[4].normal);
7534                 r_refdef.view.frustum[0].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[0].normal) + r_refdef.view.ortho_x;
7535                 r_refdef.view.frustum[1].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[1].normal) + r_refdef.view.ortho_x;
7536                 r_refdef.view.frustum[2].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[2].normal) + r_refdef.view.ortho_y;
7537                 r_refdef.view.frustum[3].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[3].normal) + r_refdef.view.ortho_y;
7538                 r_refdef.view.frustum[4].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[4].normal) + r_refdef.nearclip;
7539         }
7540         r_refdef.view.numfrustumplanes = 5;
7541
7542         if (r_refdef.view.useclipplane)
7543         {
7544                 r_refdef.view.numfrustumplanes = 6;
7545                 r_refdef.view.frustum[5] = r_refdef.view.clipplane;
7546         }
7547
7548         for (i = 0;i < r_refdef.view.numfrustumplanes;i++)
7549                 PlaneClassify(r_refdef.view.frustum + i);
7550
7551         // LordHavoc: note to all quake engine coders, Quake had a special case
7552         // for 90 degrees which assumed a square view (wrong), so I removed it,
7553         // Quake2 has it disabled as well.
7554
7555         // rotate R_VIEWFORWARD right by FOV_X/2 degrees
7556         //RotatePointAroundVector( r_refdef.view.frustum[0].normal, up, forward, -(90 - r_refdef.fov_x / 2));
7557         //r_refdef.view.frustum[0].dist = DotProduct (r_refdef.view.origin, frustum[0].normal);
7558         //PlaneClassify(&frustum[0]);
7559
7560         // rotate R_VIEWFORWARD left by FOV_X/2 degrees
7561         //RotatePointAroundVector( r_refdef.view.frustum[1].normal, up, forward, (90 - r_refdef.fov_x / 2));
7562         //r_refdef.view.frustum[1].dist = DotProduct (r_refdef.view.origin, frustum[1].normal);
7563         //PlaneClassify(&frustum[1]);
7564
7565         // rotate R_VIEWFORWARD up by FOV_X/2 degrees
7566         //RotatePointAroundVector( r_refdef.view.frustum[2].normal, left, forward, -(90 - r_refdef.fov_y / 2));
7567         //r_refdef.view.frustum[2].dist = DotProduct (r_refdef.view.origin, frustum[2].normal);
7568         //PlaneClassify(&frustum[2]);
7569
7570         // rotate R_VIEWFORWARD down by FOV_X/2 degrees
7571         //RotatePointAroundVector( r_refdef.view.frustum[3].normal, left, forward, (90 - r_refdef.fov_y / 2));
7572         //r_refdef.view.frustum[3].dist = DotProduct (r_refdef.view.origin, frustum[3].normal);
7573         //PlaneClassify(&frustum[3]);
7574
7575         // nearclip plane
7576         //VectorCopy(forward, r_refdef.view.frustum[4].normal);
7577         //r_refdef.view.frustum[4].dist = DotProduct (r_refdef.view.origin, frustum[4].normal) + r_nearclip.value;
7578         //PlaneClassify(&frustum[4]);
7579 }
7580
7581 void R_View_UpdateWithScissor(const int *myscissor)
7582 {
7583         R_Main_ResizeViewCache();
7584         R_View_SetFrustum(myscissor);
7585         R_View_WorldVisibility(r_refdef.view.useclipplane);
7586         R_View_UpdateEntityVisible();
7587         R_View_UpdateEntityLighting();
7588 }
7589
7590 void R_View_Update(void)
7591 {
7592         R_Main_ResizeViewCache();
7593         R_View_SetFrustum(NULL);
7594         R_View_WorldVisibility(r_refdef.view.useclipplane);
7595         R_View_UpdateEntityVisible();
7596         R_View_UpdateEntityLighting();
7597 }
7598
7599 void R_SetupView(qboolean allowwaterclippingplane)
7600 {
7601         const float *customclipplane = NULL;
7602         float plane[4];
7603         if (r_refdef.view.useclipplane && allowwaterclippingplane)
7604         {
7605                 // LordHavoc: couldn't figure out how to make this approach the
7606                 vec_t dist = r_refdef.view.clipplane.dist - r_water_clippingplanebias.value;
7607                 vec_t viewdist = DotProduct(r_refdef.view.origin, r_refdef.view.clipplane.normal);
7608                 if (viewdist < r_refdef.view.clipplane.dist + r_water_clippingplanebias.value)
7609                         dist = r_refdef.view.clipplane.dist;
7610                 plane[0] = r_refdef.view.clipplane.normal[0];
7611                 plane[1] = r_refdef.view.clipplane.normal[1];
7612                 plane[2] = r_refdef.view.clipplane.normal[2];
7613                 plane[3] = dist;
7614                 customclipplane = plane;
7615         }
7616
7617         if (!r_refdef.view.useperspective)
7618                 R_Viewport_InitOrtho(&r_refdef.view.viewport, &r_refdef.view.matrix, r_refdef.view.x, vid.height - r_refdef.view.height - r_refdef.view.y, r_refdef.view.width, r_refdef.view.height, -r_refdef.view.ortho_x, -r_refdef.view.ortho_y, r_refdef.view.ortho_x, r_refdef.view.ortho_y, -r_refdef.farclip, r_refdef.farclip, customclipplane);
7619         else if (vid.stencil && r_useinfinitefarclip.integer)
7620                 R_Viewport_InitPerspectiveInfinite(&r_refdef.view.viewport, &r_refdef.view.matrix, r_refdef.view.x, vid.height - r_refdef.view.height - r_refdef.view.y, r_refdef.view.width, r_refdef.view.height, r_refdef.view.frustum_x, r_refdef.view.frustum_y, r_refdef.nearclip, customclipplane);
7621         else
7622                 R_Viewport_InitPerspective(&r_refdef.view.viewport, &r_refdef.view.matrix, r_refdef.view.x, vid.height - r_refdef.view.height - r_refdef.view.y, r_refdef.view.width, r_refdef.view.height, r_refdef.view.frustum_x, r_refdef.view.frustum_y, r_refdef.nearclip, r_refdef.farclip, customclipplane);
7623         R_SetViewport(&r_refdef.view.viewport);
7624 }
7625
7626 void R_EntityMatrix(const matrix4x4_t *matrix)
7627 {
7628         if (gl_modelmatrixchanged || memcmp(matrix, &gl_modelmatrix, sizeof(matrix4x4_t)))
7629         {
7630                 gl_modelmatrixchanged = false;
7631                 gl_modelmatrix = *matrix;
7632                 Matrix4x4_Concat(&gl_modelviewmatrix, &gl_viewmatrix, &gl_modelmatrix);
7633                 Matrix4x4_Concat(&gl_modelviewprojectionmatrix, &gl_projectionmatrix, &gl_modelviewmatrix);
7634                 Matrix4x4_ToArrayFloatGL(&gl_modelviewmatrix, gl_modelview16f);
7635                 Matrix4x4_ToArrayFloatGL(&gl_modelviewprojectionmatrix, gl_modelviewprojection16f);
7636                 CHECKGLERROR
7637                 switch(vid.renderpath)
7638                 {
7639                 case RENDERPATH_GL20:
7640                         if (r_glsl_permutation && r_glsl_permutation->loc_ModelViewProjectionMatrix >= 0) qglUniformMatrix4fvARB(r_glsl_permutation->loc_ModelViewProjectionMatrix, 1, false, gl_modelviewprojection16f);
7641                         if (r_glsl_permutation && r_glsl_permutation->loc_ModelViewMatrix >= 0) qglUniformMatrix4fvARB(r_glsl_permutation->loc_ModelViewMatrix, 1, false, gl_modelview16f);
7642                         qglLoadMatrixf(gl_modelview16f);CHECKGLERROR
7643                         break;
7644                 case RENDERPATH_CGGL:
7645 #ifdef SUPPORTCG
7646                         CHECKCGERROR
7647                         if (r_cg_permutation && r_cg_permutation->vp_ModelViewProjectionMatrix) cgGLSetMatrixParameterfc(r_cg_permutation->vp_ModelViewProjectionMatrix, gl_modelviewprojection16f);CHECKCGERROR
7648                         if (r_cg_permutation && r_cg_permutation->vp_ModelViewMatrix) cgGLSetMatrixParameterfc(r_cg_permutation->vp_ModelViewMatrix, gl_modelview16f);CHECKCGERROR
7649                         qglLoadMatrixf(gl_modelview16f);CHECKGLERROR
7650 #endif
7651                         break;
7652                 case RENDERPATH_GL13:
7653                 case RENDERPATH_GL11:
7654                         qglLoadMatrixf(gl_modelview16f);CHECKGLERROR
7655                         break;
7656                 }
7657         }
7658 }
7659
7660 void R_ResetViewRendering2D(void)
7661 {
7662         r_viewport_t viewport;
7663         DrawQ_Finish();
7664
7665         // GL is weird because it's bottom to top, r_refdef.view.y is top to bottom
7666         R_Viewport_InitOrtho(&viewport, &identitymatrix, r_refdef.view.x, vid.height - r_refdef.view.height - r_refdef.view.y, r_refdef.view.width, r_refdef.view.height, 0, 0, 1, 1, -10, 100, NULL);
7667         R_SetViewport(&viewport);
7668         GL_Scissor(viewport.x, viewport.y, viewport.width, viewport.height);
7669         GL_Color(1, 1, 1, 1);
7670         GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1);
7671         GL_BlendFunc(GL_ONE, GL_ZERO);
7672         GL_AlphaTest(false);
7673         GL_ScissorTest(false);
7674         GL_DepthMask(false);
7675         GL_DepthRange(0, 1);
7676         GL_DepthTest(false);
7677         R_EntityMatrix(&identitymatrix);
7678         R_Mesh_ResetTextureState();
7679         GL_PolygonOffset(0, 0);
7680         qglEnable(GL_POLYGON_OFFSET_FILL);CHECKGLERROR
7681         qglDepthFunc(GL_LEQUAL);CHECKGLERROR
7682         qglDisable(GL_STENCIL_TEST);CHECKGLERROR
7683         qglStencilMask(~0);CHECKGLERROR
7684         qglStencilFunc(GL_ALWAYS, 128, ~0);CHECKGLERROR
7685         qglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);CHECKGLERROR
7686         GL_CullFace(GL_FRONT); // quake is backwards, this culls back faces
7687 }
7688
7689 void R_ResetViewRendering3D(void)
7690 {
7691         DrawQ_Finish();
7692
7693         R_SetupView(true);
7694         GL_Scissor(r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height);
7695         GL_Color(1, 1, 1, 1);
7696         GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1);
7697         GL_BlendFunc(GL_ONE, GL_ZERO);
7698         GL_AlphaTest(false);
7699         GL_ScissorTest(true);
7700         GL_DepthMask(true);
7701         GL_DepthRange(0, 1);
7702         GL_DepthTest(true);
7703         R_EntityMatrix(&identitymatrix);
7704         R_Mesh_ResetTextureState();
7705         GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
7706         qglEnable(GL_POLYGON_OFFSET_FILL);CHECKGLERROR
7707         qglDepthFunc(GL_LEQUAL);CHECKGLERROR
7708         qglDisable(GL_STENCIL_TEST);CHECKGLERROR
7709         qglStencilMask(~0);CHECKGLERROR
7710         qglStencilFunc(GL_ALWAYS, 128, ~0);CHECKGLERROR
7711         qglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);CHECKGLERROR
7712         GL_CullFace(r_refdef.view.cullface_back);
7713 }
7714
7715 /*
7716 ================
7717 R_RenderView_UpdateViewVectors
7718 ================
7719 */
7720 static void R_RenderView_UpdateViewVectors(void)
7721 {
7722         // break apart the view matrix into vectors for various purposes
7723         // it is important that this occurs outside the RenderScene function because that can be called from reflection renders, where the vectors come out wrong
7724         // however the r_refdef.view.origin IS updated in RenderScene intentionally - otherwise the sky renders at the wrong origin, etc
7725         Matrix4x4_ToVectors(&r_refdef.view.matrix, r_refdef.view.forward, r_refdef.view.left, r_refdef.view.up, r_refdef.view.origin);
7726         VectorNegate(r_refdef.view.left, r_refdef.view.right);
7727         // make an inverted copy of the view matrix for tracking sprites
7728         Matrix4x4_Invert_Simple(&r_refdef.view.inverse_matrix, &r_refdef.view.matrix);
7729 }
7730
7731 void R_RenderScene(void);
7732 void R_RenderWaterPlanes(void);
7733
7734 static void R_Water_StartFrame(void)
7735 {
7736         int i;
7737         int waterwidth, waterheight, texturewidth, textureheight, camerawidth, cameraheight;
7738         r_waterstate_waterplane_t *p;
7739
7740         if (vid.width > (int)vid.maxtexturesize_2d || vid.height > (int)vid.maxtexturesize_2d)
7741                 return;
7742
7743         switch(vid.renderpath)
7744         {
7745         case RENDERPATH_GL20:
7746         case RENDERPATH_CGGL:
7747                 break;
7748         case RENDERPATH_GL13:
7749         case RENDERPATH_GL11:
7750                 return;
7751         }
7752
7753         // set waterwidth and waterheight to the water resolution that will be
7754         // used (often less than the screen resolution for faster rendering)
7755         waterwidth = (int)bound(1, vid.width * r_water_resolutionmultiplier.value, vid.width);
7756         waterheight = (int)bound(1, vid.height * r_water_resolutionmultiplier.value, vid.height);
7757
7758         // calculate desired texture sizes
7759         // can't use water if the card does not support the texture size
7760         if (!r_water.integer || r_showsurfaces.integer)
7761                 texturewidth = textureheight = waterwidth = waterheight = camerawidth = cameraheight = 0;
7762         else if (vid.support.arb_texture_non_power_of_two)
7763         {
7764                 texturewidth = waterwidth;
7765                 textureheight = waterheight;
7766                 camerawidth = waterwidth;
7767                 cameraheight = waterheight;
7768         }
7769         else
7770         {
7771                 for (texturewidth   = 1;texturewidth   < waterwidth ;texturewidth   *= 2);
7772                 for (textureheight  = 1;textureheight  < waterheight;textureheight  *= 2);
7773                 for (camerawidth    = 1;camerawidth   <= waterwidth; camerawidth    *= 2); camerawidth  /= 2;
7774                 for (cameraheight   = 1;cameraheight  <= waterheight;cameraheight   *= 2); cameraheight /= 2;
7775         }
7776
7777         // allocate textures as needed
7778         if (r_waterstate.texturewidth != texturewidth || r_waterstate.textureheight != textureheight || r_waterstate.camerawidth != camerawidth || r_waterstate.cameraheight != cameraheight)
7779         {
7780                 r_waterstate.maxwaterplanes = MAX_WATERPLANES;
7781                 for (i = 0, p = r_waterstate.waterplanes;i < r_waterstate.maxwaterplanes;i++, p++)
7782                 {
7783                         if (p->texture_refraction)
7784                                 R_FreeTexture(p->texture_refraction);
7785                         p->texture_refraction = NULL;
7786                         if (p->texture_reflection)
7787                                 R_FreeTexture(p->texture_reflection);
7788                         p->texture_reflection = NULL;
7789                         if (p->texture_camera)
7790                                 R_FreeTexture(p->texture_camera);
7791                         p->texture_camera = NULL;
7792                 }
7793                 memset(&r_waterstate, 0, sizeof(r_waterstate));
7794                 r_waterstate.texturewidth = texturewidth;
7795                 r_waterstate.textureheight = textureheight;
7796                 r_waterstate.camerawidth = camerawidth;
7797                 r_waterstate.cameraheight = cameraheight;
7798         }
7799
7800         if (r_waterstate.texturewidth)
7801         {
7802                 r_waterstate.enabled = true;
7803
7804                 // when doing a reduced render (HDR) we want to use a smaller area
7805                 r_waterstate.waterwidth = (int)bound(1, r_refdef.view.width * r_water_resolutionmultiplier.value, r_refdef.view.width);
7806                 r_waterstate.waterheight = (int)bound(1, r_refdef.view.height * r_water_resolutionmultiplier.value, r_refdef.view.height);
7807
7808                 // set up variables that will be used in shader setup
7809                 r_waterstate.screenscale[0] = 0.5f * (float)r_waterstate.waterwidth / (float)r_waterstate.texturewidth;
7810                 r_waterstate.screenscale[1] = 0.5f * (float)r_waterstate.waterheight / (float)r_waterstate.textureheight;
7811                 r_waterstate.screencenter[0] = 0.5f * (float)r_waterstate.waterwidth / (float)r_waterstate.texturewidth;
7812                 r_waterstate.screencenter[1] = 0.5f * (float)r_waterstate.waterheight / (float)r_waterstate.textureheight;
7813         }
7814
7815         r_waterstate.maxwaterplanes = MAX_WATERPLANES;
7816         r_waterstate.numwaterplanes = 0;
7817 }
7818
7819 void R_Water_AddWaterPlane(msurface_t *surface)
7820 {
7821         int triangleindex, planeindex;
7822         const int *e;
7823         vec3_t vert[3];
7824         vec3_t normal;
7825         vec3_t center;
7826         mplane_t plane;
7827         int cam_ent;
7828         r_waterstate_waterplane_t *p;
7829         texture_t *t = R_GetCurrentTexture(surface->texture);
7830         cam_ent = t->camera_entity;
7831         if(!(t->currentmaterialflags & MATERIALFLAG_CAMERA))
7832                 cam_ent = 0;
7833
7834         // just use the first triangle with a valid normal for any decisions
7835         VectorClear(normal);
7836         for (triangleindex = 0, e = rsurface.modelelement3i + surface->num_firsttriangle * 3;triangleindex < surface->num_triangles;triangleindex++, e += 3)
7837         {
7838                 Matrix4x4_Transform(&rsurface.matrix, rsurface.modelvertex3f + e[0]*3, vert[0]);
7839                 Matrix4x4_Transform(&rsurface.matrix, rsurface.modelvertex3f + e[1]*3, vert[1]);
7840                 Matrix4x4_Transform(&rsurface.matrix, rsurface.modelvertex3f + e[2]*3, vert[2]);
7841                 TriangleNormal(vert[0], vert[1], vert[2], normal);
7842                 if (VectorLength2(normal) >= 0.001)
7843                         break;
7844         }
7845
7846         VectorCopy(normal, plane.normal);
7847         VectorNormalize(plane.normal);
7848         plane.dist = DotProduct(vert[0], plane.normal);
7849         PlaneClassify(&plane);
7850         if (PlaneDiff(r_refdef.view.origin, &plane) < 0)
7851         {
7852                 // skip backfaces (except if nocullface is set)
7853                 if (!(t->currentmaterialflags & MATERIALFLAG_NOCULLFACE))
7854                         return;
7855                 VectorNegate(plane.normal, plane.normal);
7856                 plane.dist *= -1;
7857                 PlaneClassify(&plane);
7858         }
7859
7860
7861         // find a matching plane if there is one
7862         for (planeindex = 0, p = r_waterstate.waterplanes;planeindex < r_waterstate.numwaterplanes;planeindex++, p++)
7863                 if(p->camera_entity == t->camera_entity)
7864                         if (fabs(PlaneDiff(vert[0], &p->plane)) < 1 && fabs(PlaneDiff(vert[1], &p->plane)) < 1 && fabs(PlaneDiff(vert[2], &p->plane)) < 1)
7865                                 break;
7866         if (planeindex >= r_waterstate.maxwaterplanes)
7867                 return; // nothing we can do, out of planes
7868
7869         // if this triangle does not fit any known plane rendered this frame, add one
7870         if (planeindex >= r_waterstate.numwaterplanes)
7871         {
7872                 // store the new plane
7873                 r_waterstate.numwaterplanes++;
7874                 p->plane = plane;
7875                 // clear materialflags and pvs
7876                 p->materialflags = 0;
7877                 p->pvsvalid = false;
7878                 p->camera_entity = t->camera_entity;
7879                 VectorCopy(surface->mins, p->mins);
7880                 VectorCopy(surface->maxs, p->maxs);
7881         }
7882         else
7883         {
7884                 // merge mins/maxs
7885                 p->mins[0] = min(p->mins[0], surface->mins[0]);
7886                 p->mins[1] = min(p->mins[1], surface->mins[1]);
7887                 p->mins[2] = min(p->mins[2], surface->mins[2]);
7888                 p->maxs[0] = max(p->maxs[0], surface->maxs[0]);
7889                 p->maxs[1] = max(p->maxs[1], surface->maxs[1]);
7890                 p->maxs[2] = max(p->maxs[2], surface->maxs[2]);
7891         }
7892         // merge this surface's materialflags into the waterplane
7893         p->materialflags |= t->currentmaterialflags;
7894         if(!(p->materialflags & MATERIALFLAG_CAMERA))
7895         {
7896                 // merge this surface's PVS into the waterplane
7897                 VectorMAM(0.5f, surface->mins, 0.5f, surface->maxs, center);
7898                 if (p->materialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_REFLECTION | MATERIALFLAG_CAMERA) && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.FatPVS
7899                  && r_refdef.scene.worldmodel->brush.PointInLeaf && r_refdef.scene.worldmodel->brush.PointInLeaf(r_refdef.scene.worldmodel, center)->clusterindex >= 0)
7900                 {
7901                         r_refdef.scene.worldmodel->brush.FatPVS(r_refdef.scene.worldmodel, center, 2, p->pvsbits, sizeof(p->pvsbits), p->pvsvalid);
7902                         p->pvsvalid = true;
7903                 }
7904         }
7905 }
7906
7907 static void R_Water_ProcessPlanes(void)
7908 {
7909         int myscissor[4];
7910         r_refdef_view_t originalview;
7911         r_refdef_view_t myview;
7912         int planeindex;
7913         r_waterstate_waterplane_t *p;
7914         vec3_t visorigin;
7915
7916         originalview = r_refdef.view;
7917
7918         // make sure enough textures are allocated
7919         for (planeindex = 0, p = r_waterstate.waterplanes;planeindex < r_waterstate.numwaterplanes;planeindex++, p++)
7920         {
7921                 if (p->materialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION))
7922                 {
7923                         if (!p->texture_refraction)
7924                                 p->texture_refraction = R_LoadTexture2D(r_main_texturepool, va("waterplane%i_refraction", planeindex), r_waterstate.texturewidth, r_waterstate.textureheight, NULL, TEXTYPE_COLORBUFFER, TEXF_FORCELINEAR | TEXF_CLAMP, -1, NULL);
7925                         if (!p->texture_refraction)
7926                                 goto error;
7927                 }
7928                 else if (p->materialflags & MATERIALFLAG_CAMERA)
7929                 {
7930                         if (!p->texture_camera)
7931                                 p->texture_camera = R_LoadTexture2D(r_main_texturepool, va("waterplane%i_camera", planeindex), r_waterstate.camerawidth, r_waterstate.cameraheight, NULL, TEXTYPE_COLORBUFFER, TEXF_FORCELINEAR, -1, NULL);
7932                         if (!p->texture_camera)
7933                                 goto error;
7934                 }
7935
7936                 if (p->materialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFLECTION))
7937                 {
7938                         if (!p->texture_reflection)
7939                                 p->texture_reflection = R_LoadTexture2D(r_main_texturepool, va("waterplane%i_reflection", planeindex), r_waterstate.texturewidth, r_waterstate.textureheight, NULL, TEXTYPE_COLORBUFFER, TEXF_FORCELINEAR | TEXF_CLAMP, -1, NULL);
7940                         if (!p->texture_reflection)
7941                                 goto error;
7942                 }
7943         }
7944
7945         // render views
7946         r_refdef.view = originalview;
7947         r_refdef.view.showdebug = false;
7948         r_refdef.view.width = r_waterstate.waterwidth;
7949         r_refdef.view.height = r_waterstate.waterheight;
7950         r_refdef.view.useclipplane = true;
7951         myview = r_refdef.view;
7952         r_waterstate.renderingscene = true;
7953         for (planeindex = 0, p = r_waterstate.waterplanes;planeindex < r_waterstate.numwaterplanes;planeindex++, p++)
7954         {
7955                 if (p->materialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFLECTION))
7956                 {
7957                         r_refdef.view = myview;
7958                         if(r_water_scissormode.integer)
7959                         {
7960                                 R_SetupView(true);
7961                                 if(R_ScissorForBBox(p->mins, p->maxs, myscissor))
7962                                         continue; // FIXME the plane then still may get rendered but with broken texture, but it sure won't be visible
7963                         }
7964
7965                         // render reflected scene and copy into texture
7966                         Matrix4x4_Reflect(&r_refdef.view.matrix, p->plane.normal[0], p->plane.normal[1], p->plane.normal[2], p->plane.dist, -2);
7967                         // update the r_refdef.view.origin because otherwise the sky renders at the wrong location (amongst other problems)
7968                         Matrix4x4_OriginFromMatrix(&r_refdef.view.matrix, r_refdef.view.origin);
7969                         r_refdef.view.clipplane = p->plane;
7970
7971                         // reverse the cullface settings for this render
7972                         r_refdef.view.cullface_front = GL_FRONT;
7973                         r_refdef.view.cullface_back = GL_BACK;
7974                         if (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.num_pvsclusterbytes)
7975                         {
7976                                 r_refdef.view.usecustompvs = true;
7977                                 if (p->pvsvalid)
7978                                         memcpy(r_refdef.viewcache.world_pvsbits, p->pvsbits, r_refdef.scene.worldmodel->brush.num_pvsclusterbytes);
7979                                 else
7980                                         memset(r_refdef.viewcache.world_pvsbits, 0xFF, r_refdef.scene.worldmodel->brush.num_pvsclusterbytes);
7981                         }
7982
7983                         R_ResetViewRendering3D();
7984                         R_ClearScreen(r_refdef.fogenabled);
7985                         if(r_water_scissormode.integer & 2)
7986                                 R_View_UpdateWithScissor(myscissor);
7987                         else
7988                                 R_View_Update();
7989                         if(r_water_scissormode.integer & 1)
7990                                 GL_Scissor(myscissor[0], myscissor[1], myscissor[2], myscissor[3]);
7991                         R_RenderScene();
7992
7993                         R_Mesh_CopyToTexture(p->texture_reflection, 0, 0, r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height);
7994                 }
7995
7996                 // render the normal view scene and copy into texture
7997                 // (except that a clipping plane should be used to hide everything on one side of the water, and the viewer's weapon model should be omitted)
7998                 if (p->materialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION))
7999                 {
8000                         r_refdef.view = myview;
8001                         if(r_water_scissormode.integer)
8002                         {
8003                                 R_SetupView(true);
8004                                 if(R_ScissorForBBox(p->mins, p->maxs, myscissor))
8005                                         continue; // FIXME the plane then still may get rendered but with broken texture, but it sure won't be visible
8006                         }
8007
8008                         r_waterstate.renderingrefraction = true;
8009
8010                         r_refdef.view.clipplane = p->plane;
8011                         VectorNegate(r_refdef.view.clipplane.normal, r_refdef.view.clipplane.normal);
8012                         r_refdef.view.clipplane.dist = -r_refdef.view.clipplane.dist;
8013
8014                         if((p->materialflags & MATERIALFLAG_CAMERA) && p->camera_entity)
8015                         {
8016                                 // we need to perform a matrix transform to render the view... so let's get the transformation matrix
8017                                 r_waterstate.renderingrefraction = false; // we don't want to hide the player model from these ones
8018                                 CL_VM_TransformView(p->camera_entity - MAX_EDICTS, &r_refdef.view.matrix, &r_refdef.view.clipplane, visorigin);
8019                                 R_RenderView_UpdateViewVectors();
8020                                 if(r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.FatPVS)
8021                                 {
8022                                         r_refdef.view.usecustompvs = true;
8023                                         r_refdef.scene.worldmodel->brush.FatPVS(r_refdef.scene.worldmodel, visorigin, 2, r_refdef.viewcache.world_pvsbits, (r_refdef.viewcache.world_numclusters+7)>>3, false);
8024                                 }
8025                         }
8026
8027                         PlaneClassify(&r_refdef.view.clipplane);
8028
8029                         R_ResetViewRendering3D();
8030                         R_ClearScreen(r_refdef.fogenabled);
8031                         if(r_water_scissormode.integer & 2)
8032                                 R_View_UpdateWithScissor(myscissor);
8033                         else
8034                                 R_View_Update();
8035                         if(r_water_scissormode.integer & 1)
8036                                 GL_Scissor(myscissor[0], myscissor[1], myscissor[2], myscissor[3]);
8037                         R_RenderScene();
8038
8039                         R_Mesh_CopyToTexture(p->texture_refraction, 0, 0, r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height);
8040                         r_waterstate.renderingrefraction = false;
8041                 }
8042                 else if (p->materialflags & MATERIALFLAG_CAMERA)
8043                 {
8044                         r_refdef.view = myview;
8045
8046                         r_refdef.view.clipplane = p->plane;
8047                         VectorNegate(r_refdef.view.clipplane.normal, r_refdef.view.clipplane.normal);
8048                         r_refdef.view.clipplane.dist = -r_refdef.view.clipplane.dist;
8049
8050                         r_refdef.view.width = r_waterstate.camerawidth;
8051                         r_refdef.view.height = r_waterstate.cameraheight;
8052                         r_refdef.view.frustum_x = 1; // tan(45 * M_PI / 180.0);
8053                         r_refdef.view.frustum_y = 1; // tan(45 * M_PI / 180.0);
8054
8055                         if(p->camera_entity)
8056                         {
8057                                 // we need to perform a matrix transform to render the view... so let's get the transformation matrix
8058                                 CL_VM_TransformView(p->camera_entity - MAX_EDICTS, &r_refdef.view.matrix, &r_refdef.view.clipplane, visorigin);
8059                         }
8060
8061                         // note: all of the view is used for displaying... so
8062                         // there is no use in scissoring
8063
8064                         // reverse the cullface settings for this render
8065                         r_refdef.view.cullface_front = GL_FRONT;
8066                         r_refdef.view.cullface_back = GL_BACK;
8067                         // also reverse the view matrix
8068                         Matrix4x4_ConcatScale3(&r_refdef.view.matrix, 1, 1, -1); // this serves to invert texcoords in the result, as the copied texture is mapped the wrong way round
8069                         R_RenderView_UpdateViewVectors();
8070                         if(p->camera_entity && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.FatPVS)
8071                         {
8072                                 r_refdef.view.usecustompvs = true;
8073                                 r_refdef.scene.worldmodel->brush.FatPVS(r_refdef.scene.worldmodel, visorigin, 2, r_refdef.viewcache.world_pvsbits, (r_refdef.viewcache.world_numclusters+7)>>3, false);
8074                         }
8075
8076                         // camera needs no clipplane
8077                         r_refdef.view.useclipplane = false;
8078
8079                         PlaneClassify(&r_refdef.view.clipplane);
8080
8081                         R_ResetViewRendering3D();
8082                         R_ClearScreen(r_refdef.fogenabled);
8083                         R_View_Update();
8084                         R_RenderScene();
8085
8086                         R_Mesh_CopyToTexture(p->texture_camera, 0, 0, r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height);
8087                         r_waterstate.renderingrefraction = false;
8088                 }
8089
8090         }
8091         r_waterstate.renderingscene = false;
8092         r_refdef.view = originalview;
8093         R_ResetViewRendering3D();
8094         R_ClearScreen(r_refdef.fogenabled);
8095         R_View_Update();
8096         return;
8097 error:
8098         r_refdef.view = originalview;
8099         r_waterstate.renderingscene = false;
8100         Cvar_SetValueQuick(&r_water, 0);
8101         Con_Printf("R_Water_ProcessPlanes: Error: texture creation failed!  Turned off r_water.\n");
8102         return;
8103 }
8104
8105 void R_Bloom_StartFrame(void)
8106 {
8107         int bloomtexturewidth, bloomtextureheight, screentexturewidth, screentextureheight;
8108
8109         switch(vid.renderpath)
8110         {
8111         case RENDERPATH_GL20:
8112         case RENDERPATH_CGGL:
8113                 break;
8114         case RENDERPATH_GL13:
8115         case RENDERPATH_GL11:
8116                 return;
8117         }
8118
8119         // set bloomwidth and bloomheight to the bloom resolution that will be
8120         // used (often less than the screen resolution for faster rendering)
8121         r_bloomstate.bloomwidth = bound(1, r_bloom_resolution.integer, vid.height);
8122         r_bloomstate.bloomheight = r_bloomstate.bloomwidth * vid.height / vid.width;
8123         r_bloomstate.bloomheight = bound(1, r_bloomstate.bloomheight, vid.height);
8124         r_bloomstate.bloomwidth = bound(1, r_bloomstate.bloomwidth, (int)vid.maxtexturesize_2d);
8125         r_bloomstate.bloomheight = bound(1, r_bloomstate.bloomheight, (int)vid.maxtexturesize_2d);
8126
8127         // calculate desired texture sizes
8128         if (vid.support.arb_texture_non_power_of_two)
8129         {
8130                 screentexturewidth = r_refdef.view.width;
8131                 screentextureheight = r_refdef.view.height;
8132                 bloomtexturewidth = r_bloomstate.bloomwidth;
8133                 bloomtextureheight = r_bloomstate.bloomheight;
8134         }
8135         else
8136         {
8137                 for (screentexturewidth  = 1;screentexturewidth  < vid.width               ;screentexturewidth  *= 2);
8138                 for (screentextureheight = 1;screentextureheight < vid.height              ;screentextureheight *= 2);
8139                 for (bloomtexturewidth   = 1;bloomtexturewidth   < r_bloomstate.bloomwidth ;bloomtexturewidth   *= 2);
8140                 for (bloomtextureheight  = 1;bloomtextureheight  < r_bloomstate.bloomheight;bloomtextureheight  *= 2);
8141         }
8142
8143         if ((r_hdr.integer || r_bloom.integer || (!R_Stereo_Active() && (r_motionblur.value > 0 || r_damageblur.value > 0))) && ((r_bloom_resolution.integer < 4 || r_bloom_blur.value < 1 || r_bloom_blur.value >= 512) || r_refdef.view.width > (int)vid.maxtexturesize_2d || r_refdef.view.height > (int)vid.maxtexturesize_2d))
8144         {
8145                 Cvar_SetValueQuick(&r_hdr, 0);
8146                 Cvar_SetValueQuick(&r_bloom, 0);
8147                 Cvar_SetValueQuick(&r_motionblur, 0);
8148                 Cvar_SetValueQuick(&r_damageblur, 0);
8149         }
8150
8151         if (!(r_glsl_postprocess.integer || (!R_Stereo_ColorMasking() && r_glsl_saturation.value != 1) || (v_glslgamma.integer && !vid_gammatables_trivial)) && !r_bloom.integer && !r_hdr.integer && (R_Stereo_Active() || (r_motionblur.value <= 0 && r_damageblur.value <= 0)))
8152                 screentexturewidth = screentextureheight = 0;
8153         if (!r_hdr.integer && !r_bloom.integer)
8154                 bloomtexturewidth = bloomtextureheight = 0;
8155
8156         // allocate textures as needed
8157         if (r_bloomstate.screentexturewidth != screentexturewidth || r_bloomstate.screentextureheight != screentextureheight)
8158         {
8159                 if (r_bloomstate.texture_screen)
8160                         R_FreeTexture(r_bloomstate.texture_screen);
8161                 r_bloomstate.texture_screen = NULL;
8162                 r_bloomstate.screentexturewidth = screentexturewidth;
8163                 r_bloomstate.screentextureheight = screentextureheight;
8164                 if (r_bloomstate.screentexturewidth && r_bloomstate.screentextureheight)
8165                         r_bloomstate.texture_screen = R_LoadTexture2D(r_main_texturepool, "screen", r_bloomstate.screentexturewidth, r_bloomstate.screentextureheight, NULL, TEXTYPE_COLORBUFFER, TEXF_FORCENEAREST | TEXF_CLAMP, -1, NULL);
8166         }
8167         if (r_bloomstate.bloomtexturewidth != bloomtexturewidth || r_bloomstate.bloomtextureheight != bloomtextureheight)
8168         {
8169                 if (r_bloomstate.texture_bloom)
8170                         R_FreeTexture(r_bloomstate.texture_bloom);
8171                 r_bloomstate.texture_bloom = NULL;
8172                 r_bloomstate.bloomtexturewidth = bloomtexturewidth;
8173                 r_bloomstate.bloomtextureheight = bloomtextureheight;
8174                 if (r_bloomstate.bloomtexturewidth && r_bloomstate.bloomtextureheight)
8175                         r_bloomstate.texture_bloom = R_LoadTexture2D(r_main_texturepool, "bloom", r_bloomstate.bloomtexturewidth, r_bloomstate.bloomtextureheight, NULL, TEXTYPE_COLORBUFFER, TEXF_FORCELINEAR | TEXF_CLAMP, -1, NULL);
8176         }
8177
8178         // when doing a reduced render (HDR) we want to use a smaller area
8179         r_bloomstate.bloomwidth = bound(1, r_bloom_resolution.integer, r_refdef.view.height);
8180         r_bloomstate.bloomheight = r_bloomstate.bloomwidth * r_refdef.view.height / r_refdef.view.width;
8181         r_bloomstate.bloomheight = bound(1, r_bloomstate.bloomheight, r_refdef.view.height);
8182         r_bloomstate.bloomwidth = bound(1, r_bloomstate.bloomwidth, r_bloomstate.bloomtexturewidth);
8183         r_bloomstate.bloomheight = bound(1, r_bloomstate.bloomheight, r_bloomstate.bloomtextureheight);
8184
8185         // set up a texcoord array for the full resolution screen image
8186         // (we have to keep this around to copy back during final render)
8187         r_bloomstate.screentexcoord2f[0] = 0;
8188         r_bloomstate.screentexcoord2f[1] = (float)r_refdef.view.height    / (float)r_bloomstate.screentextureheight;
8189         r_bloomstate.screentexcoord2f[2] = (float)r_refdef.view.width     / (float)r_bloomstate.screentexturewidth;
8190         r_bloomstate.screentexcoord2f[3] = (float)r_refdef.view.height    / (float)r_bloomstate.screentextureheight;
8191         r_bloomstate.screentexcoord2f[4] = (float)r_refdef.view.width     / (float)r_bloomstate.screentexturewidth;
8192         r_bloomstate.screentexcoord2f[5] = 0;
8193         r_bloomstate.screentexcoord2f[6] = 0;
8194         r_bloomstate.screentexcoord2f[7] = 0;
8195
8196         // set up a texcoord array for the reduced resolution bloom image
8197         // (which will be additive blended over the screen image)
8198         r_bloomstate.bloomtexcoord2f[0] = 0;
8199         r_bloomstate.bloomtexcoord2f[1] = (float)r_bloomstate.bloomheight / (float)r_bloomstate.bloomtextureheight;
8200         r_bloomstate.bloomtexcoord2f[2] = (float)r_bloomstate.bloomwidth  / (float)r_bloomstate.bloomtexturewidth;
8201         r_bloomstate.bloomtexcoord2f[3] = (float)r_bloomstate.bloomheight / (float)r_bloomstate.bloomtextureheight;
8202         r_bloomstate.bloomtexcoord2f[4] = (float)r_bloomstate.bloomwidth  / (float)r_bloomstate.bloomtexturewidth;
8203         r_bloomstate.bloomtexcoord2f[5] = 0;
8204         r_bloomstate.bloomtexcoord2f[6] = 0;
8205         r_bloomstate.bloomtexcoord2f[7] = 0;
8206
8207         if (r_hdr.integer || r_bloom.integer)
8208         {
8209                 r_bloomstate.enabled = true;
8210                 r_bloomstate.hdr = r_hdr.integer != 0;
8211         }
8212
8213         R_Viewport_InitOrtho(&r_bloomstate.viewport, &identitymatrix, r_refdef.view.x, vid.height - r_bloomstate.bloomheight - r_refdef.view.y, r_bloomstate.bloomwidth, r_bloomstate.bloomheight, 0, 0, 1, 1, -10, 100, NULL);
8214 }
8215
8216 void R_Bloom_CopyBloomTexture(float colorscale)
8217 {
8218         r_refdef.stats.bloom++;
8219
8220         // scale down screen texture to the bloom texture size
8221         CHECKGLERROR
8222         R_SetViewport(&r_bloomstate.viewport);
8223         GL_BlendFunc(GL_ONE, GL_ZERO);
8224         GL_Color(colorscale, colorscale, colorscale, 1);
8225         // TODO: optimize with multitexture or GLSL
8226         R_Mesh_TexCoordPointer(0, 2, r_bloomstate.screentexcoord2f, 0, 0);
8227         R_SetupShader_Generic(r_bloomstate.texture_screen, NULL, GL_MODULATE, 1);
8228         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
8229         r_refdef.stats.bloom_drawpixels += r_bloomstate.bloomwidth * r_bloomstate.bloomheight;
8230
8231         // we now have a bloom image in the framebuffer
8232         // copy it into the bloom image texture for later processing
8233         R_Mesh_CopyToTexture(r_bloomstate.texture_bloom, 0, 0, r_bloomstate.viewport.x, r_bloomstate.viewport.y, r_bloomstate.viewport.width, r_bloomstate.viewport.height);
8234         r_refdef.stats.bloom_copypixels += r_bloomstate.viewport.width * r_bloomstate.viewport.height;
8235 }
8236
8237 void R_Bloom_CopyHDRTexture(void)
8238 {
8239         R_Mesh_CopyToTexture(r_bloomstate.texture_bloom, 0, 0, r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height);
8240         r_refdef.stats.bloom_copypixels += r_refdef.view.viewport.width * r_refdef.view.viewport.height;
8241 }
8242
8243 void R_Bloom_MakeTexture(void)
8244 {
8245         int x, range, dir;
8246         float xoffset, yoffset, r, brighten;
8247
8248         r_refdef.stats.bloom++;
8249
8250         R_ResetViewRendering2D();
8251         R_Mesh_VertexPointer(r_screenvertex3f, 0, 0);
8252         R_Mesh_ColorPointer(NULL, 0, 0);
8253
8254         // we have a bloom image in the framebuffer
8255         CHECKGLERROR
8256         R_SetViewport(&r_bloomstate.viewport);
8257
8258         for (x = 1;x < min(r_bloom_colorexponent.value, 32);)
8259         {
8260                 x *= 2;
8261                 r = bound(0, r_bloom_colorexponent.value / x, 1);
8262                 GL_BlendFunc(GL_DST_COLOR, GL_SRC_COLOR);
8263                 GL_Color(r, r, r, 1);
8264                 R_SetupShader_Generic(r_bloomstate.texture_bloom, NULL, GL_MODULATE, 1);
8265                 R_Mesh_TexCoordPointer(0, 2, r_bloomstate.bloomtexcoord2f, 0, 0);
8266                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
8267                 r_refdef.stats.bloom_drawpixels += r_bloomstate.bloomwidth * r_bloomstate.bloomheight;
8268
8269                 // copy the vertically blurred bloom view to a texture
8270                 R_Mesh_CopyToTexture(r_bloomstate.texture_bloom, 0, 0, r_bloomstate.viewport.x, r_bloomstate.viewport.y, r_bloomstate.viewport.width, r_bloomstate.viewport.height);
8271                 r_refdef.stats.bloom_copypixels += r_bloomstate.viewport.width * r_bloomstate.viewport.height;
8272         }
8273
8274         range = r_bloom_blur.integer * r_bloomstate.bloomwidth / 320;
8275         brighten = r_bloom_brighten.value;
8276         if (r_hdr.integer)
8277                 brighten *= r_hdr_range.value;
8278         brighten = sqrt(brighten);
8279         if(range >= 1)
8280                 brighten *= (3 * range) / (2 * range - 1); // compensate for the "dot particle"
8281         R_SetupShader_Generic(r_bloomstate.texture_bloom, NULL, GL_MODULATE, 1);
8282         R_Mesh_TexCoordPointer(0, 2, r_bloomstate.offsettexcoord2f, 0, 0);
8283
8284         for (dir = 0;dir < 2;dir++)
8285         {
8286                 // blend on at multiple vertical offsets to achieve a vertical blur
8287                 // TODO: do offset blends using GLSL
8288                 // TODO instead of changing the texcoords, change the target positions to prevent artifacts at edges
8289                 GL_BlendFunc(GL_ONE, GL_ZERO);
8290                 for (x = -range;x <= range;x++)
8291                 {
8292                         if (!dir){xoffset = 0;yoffset = x;}
8293                         else {xoffset = x;yoffset = 0;}
8294                         xoffset /= (float)r_bloomstate.bloomtexturewidth;
8295                         yoffset /= (float)r_bloomstate.bloomtextureheight;
8296                         // compute a texcoord array with the specified x and y offset
8297                         r_bloomstate.offsettexcoord2f[0] = xoffset+0;
8298                         r_bloomstate.offsettexcoord2f[1] = yoffset+(float)r_bloomstate.bloomheight / (float)r_bloomstate.bloomtextureheight;
8299                         r_bloomstate.offsettexcoord2f[2] = xoffset+(float)r_bloomstate.bloomwidth / (float)r_bloomstate.bloomtexturewidth;
8300                         r_bloomstate.offsettexcoord2f[3] = yoffset+(float)r_bloomstate.bloomheight / (float)r_bloomstate.bloomtextureheight;
8301                         r_bloomstate.offsettexcoord2f[4] = xoffset+(float)r_bloomstate.bloomwidth / (float)r_bloomstate.bloomtexturewidth;
8302                         r_bloomstate.offsettexcoord2f[5] = yoffset+0;
8303                         r_bloomstate.offsettexcoord2f[6] = xoffset+0;
8304                         r_bloomstate.offsettexcoord2f[7] = yoffset+0;
8305                         // this r value looks like a 'dot' particle, fading sharply to
8306                         // black at the edges
8307                         // (probably not realistic but looks good enough)
8308                         //r = ((range*range+1)/((float)(x*x+1)))/(range*2+1);
8309                         //r = brighten/(range*2+1);
8310                         r = brighten / (range * 2 + 1);
8311                         if(range >= 1)
8312                                 r *= (1 - x*x/(float)(range*range));
8313                         GL_Color(r, r, r, 1);
8314                         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
8315                         r_refdef.stats.bloom_drawpixels += r_bloomstate.bloomwidth * r_bloomstate.bloomheight;
8316                         GL_BlendFunc(GL_ONE, GL_ONE);
8317                 }
8318
8319                 // copy the vertically blurred bloom view to a texture
8320                 R_Mesh_CopyToTexture(r_bloomstate.texture_bloom, 0, 0, r_bloomstate.viewport.x, r_bloomstate.viewport.y, r_bloomstate.viewport.width, r_bloomstate.viewport.height);
8321                 r_refdef.stats.bloom_copypixels += r_bloomstate.viewport.width * r_bloomstate.viewport.height;
8322         }
8323
8324         // apply subtract last
8325         // (just like it would be in a GLSL shader)
8326         if (r_bloom_colorsubtract.value > 0 && vid.support.ext_blend_subtract)
8327         {
8328                 GL_BlendFunc(GL_ONE, GL_ZERO);
8329                 R_SetupShader_Generic(r_bloomstate.texture_bloom, NULL, GL_MODULATE, 1);
8330                 R_Mesh_TexCoordPointer(0, 2, r_bloomstate.bloomtexcoord2f, 0, 0);
8331                 GL_Color(1, 1, 1, 1);
8332                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
8333                 r_refdef.stats.bloom_drawpixels += r_bloomstate.bloomwidth * r_bloomstate.bloomheight;
8334
8335                 GL_BlendFunc(GL_ONE, GL_ONE);
8336                 qglBlendEquationEXT(GL_FUNC_REVERSE_SUBTRACT_EXT);
8337                 R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
8338                 R_Mesh_TexCoordPointer(0, 2, r_bloomstate.bloomtexcoord2f, 0, 0);
8339                 GL_Color(r_bloom_colorsubtract.value, r_bloom_colorsubtract.value, r_bloom_colorsubtract.value, 1);
8340                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
8341                 r_refdef.stats.bloom_drawpixels += r_bloomstate.bloomwidth * r_bloomstate.bloomheight;
8342                 qglBlendEquationEXT(GL_FUNC_ADD_EXT);
8343
8344                 // copy the darkened bloom view to a texture
8345                 R_Mesh_CopyToTexture(r_bloomstate.texture_bloom, 0, 0, r_bloomstate.viewport.x, r_bloomstate.viewport.y, r_bloomstate.viewport.width, r_bloomstate.viewport.height);
8346                 r_refdef.stats.bloom_copypixels += r_bloomstate.viewport.width * r_bloomstate.viewport.height;
8347         }
8348 }
8349
8350 void R_HDR_RenderBloomTexture(void)
8351 {
8352         int oldwidth, oldheight;
8353         float oldcolorscale;
8354
8355         oldcolorscale = r_refdef.view.colorscale;
8356         oldwidth = r_refdef.view.width;
8357         oldheight = r_refdef.view.height;
8358         r_refdef.view.width = r_bloomstate.bloomwidth;
8359         r_refdef.view.height = r_bloomstate.bloomheight;
8360
8361         // TODO: support GL_EXT_framebuffer_object rather than reusing the framebuffer?  it might improve SLI performance.
8362         // TODO: add exposure compensation features
8363         // TODO: add fp16 framebuffer support (using GL_EXT_framebuffer_object)
8364
8365         r_refdef.view.showdebug = false;
8366         r_refdef.view.colorscale *= r_bloom_colorscale.value / bound(1, r_hdr_range.value, 16);
8367
8368         R_ResetViewRendering3D();
8369
8370         R_ClearScreen(r_refdef.fogenabled);
8371         if (r_timereport_active)
8372                 R_TimeReport("HDRclear");
8373
8374         R_View_Update();
8375         if (r_timereport_active)
8376                 R_TimeReport("visibility");
8377
8378         // only do secondary renders with HDR if r_hdr is 2 or higher
8379         r_waterstate.numwaterplanes = 0;
8380         if (r_waterstate.enabled && r_hdr.integer >= 2)
8381                 R_RenderWaterPlanes();
8382
8383         r_refdef.view.showdebug = true;
8384         R_RenderScene();
8385         r_waterstate.numwaterplanes = 0;
8386
8387         R_ResetViewRendering2D();
8388
8389         R_Bloom_CopyHDRTexture();
8390         R_Bloom_MakeTexture();
8391
8392         // restore the view settings
8393         r_refdef.view.width = oldwidth;
8394         r_refdef.view.height = oldheight;
8395         r_refdef.view.colorscale = oldcolorscale;
8396
8397         R_ResetViewRendering3D();
8398
8399         R_ClearScreen(r_refdef.fogenabled);
8400         if (r_timereport_active)
8401                 R_TimeReport("viewclear");
8402 }
8403
8404 static void R_BlendView(void)
8405 {
8406         unsigned int permutation;
8407         float uservecs[4][4];
8408
8409         switch (vid.renderpath)
8410         {
8411         case RENDERPATH_GL20:
8412         case RENDERPATH_CGGL:
8413                 permutation =
8414                           (r_bloomstate.texture_bloom ? SHADERPERMUTATION_BLOOM : 0)
8415                         | (r_refdef.viewblend[3] > 0 ? SHADERPERMUTATION_VIEWTINT : 0)
8416                         | ((v_glslgamma.value && !vid_gammatables_trivial) ? SHADERPERMUTATION_GAMMARAMPS : 0)
8417                         | (r_glsl_postprocess.integer ? SHADERPERMUTATION_POSTPROCESSING : 0)
8418                         | ((!R_Stereo_ColorMasking() && r_glsl_saturation.value != 1) ? SHADERPERMUTATION_SATURATION : 0);
8419
8420                 if (r_bloomstate.texture_screen)
8421                 {
8422                         // make sure the buffer is available
8423                         if (r_bloom_blur.value < 1) { Cvar_SetValueQuick(&r_bloom_blur, 1); }
8424
8425                         R_ResetViewRendering2D();
8426                         R_Mesh_VertexPointer(r_screenvertex3f, 0, 0);
8427                         R_Mesh_ColorPointer(NULL, 0, 0);
8428
8429                         if(!R_Stereo_Active() && (r_motionblur.value > 0 || r_damageblur.value > 0))
8430                         {
8431                                 // declare variables
8432                                 float speed;
8433                                 static float avgspeed;
8434
8435                                 speed = VectorLength(cl.movement_velocity);
8436
8437                                 cl.motionbluralpha = bound(0, (cl.time - cl.oldtime) / max(0.001, r_motionblur_vcoeff.value), 1);
8438                                 avgspeed = avgspeed * (1 - cl.motionbluralpha) + speed * cl.motionbluralpha;
8439
8440                                 speed = (avgspeed - r_motionblur_vmin.value) / max(1, r_motionblur_vmax.value - r_motionblur_vmin.value);
8441                                 speed = bound(0, speed, 1);
8442                                 speed = speed * (1 - r_motionblur_bmin.value) + r_motionblur_bmin.value;
8443
8444                                 // calculate values into a standard alpha
8445                                 cl.motionbluralpha = 1 - exp(-
8446                                                 (
8447                                                  (r_motionblur.value * speed / 80)
8448                                                  +
8449                                                  (r_damageblur.value * (cl.cshifts[CSHIFT_DAMAGE].percent / 1600))
8450                                                 )
8451                                                 /
8452                                                 max(0.0001, cl.time - cl.oldtime) // fps independent
8453                                            );
8454
8455                                 cl.motionbluralpha *= lhrandom(1 - r_motionblur_randomize.value, 1 + r_motionblur_randomize.value);
8456                                 cl.motionbluralpha = bound(0, cl.motionbluralpha, r_motionblur_maxblur.value);
8457                                 // apply the blur
8458                                 if (cl.motionbluralpha > 0 && !r_refdef.envmap)
8459                                 {
8460                                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
8461                                         GL_Color(1, 1, 1, cl.motionbluralpha);
8462                                         R_SetupShader_Generic(r_bloomstate.texture_screen, NULL, GL_MODULATE, 1);
8463                                         R_Mesh_TexCoordPointer(0, 2, r_bloomstate.screentexcoord2f, 0, 0);
8464                                         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
8465                                         r_refdef.stats.bloom_drawpixels += r_refdef.view.viewport.width * r_refdef.view.viewport.height;
8466                                 }
8467                         }
8468
8469                         // copy view into the screen texture
8470                         R_Mesh_CopyToTexture(r_bloomstate.texture_screen, 0, 0, r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height);
8471                         r_refdef.stats.bloom_copypixels += r_refdef.view.viewport.width * r_refdef.view.viewport.height;
8472                 }
8473                 else if (!r_bloomstate.texture_bloom)
8474                 {
8475                         // we may still have to do view tint...
8476                         if (r_refdef.viewblend[3] >= (1.0f / 256.0f))
8477                         {
8478                                 // apply a color tint to the whole view
8479                                 R_ResetViewRendering2D();
8480                                 R_Mesh_VertexPointer(r_screenvertex3f, 0, 0);
8481                                 R_Mesh_ColorPointer(NULL, 0, 0);
8482                                 R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
8483                                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
8484                                 GL_Color(r_refdef.viewblend[0], r_refdef.viewblend[1], r_refdef.viewblend[2], r_refdef.viewblend[3]);
8485                                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
8486                         }
8487                         break; // no screen processing, no bloom, skip it
8488                 }
8489
8490                 if (r_bloomstate.texture_bloom && !r_bloomstate.hdr)
8491                 {
8492                         // render simple bloom effect
8493                         // copy the screen and shrink it and darken it for the bloom process
8494                         R_Bloom_CopyBloomTexture(r_bloom_colorscale.value);
8495                         // make the bloom texture
8496                         R_Bloom_MakeTexture();
8497                 }
8498
8499 #if _MSC_VER >= 1400
8500 #define sscanf sscanf_s
8501 #endif
8502                 memset(uservecs, 0, sizeof(uservecs));
8503                 sscanf(r_glsl_postprocess_uservec1.string, "%f %f %f %f", &uservecs[0][0], &uservecs[0][1], &uservecs[0][2], &uservecs[0][3]);
8504                 sscanf(r_glsl_postprocess_uservec2.string, "%f %f %f %f", &uservecs[1][0], &uservecs[1][1], &uservecs[1][2], &uservecs[1][3]);
8505                 sscanf(r_glsl_postprocess_uservec3.string, "%f %f %f %f", &uservecs[2][0], &uservecs[2][1], &uservecs[2][2], &uservecs[2][3]);
8506                 sscanf(r_glsl_postprocess_uservec4.string, "%f %f %f %f", &uservecs[3][0], &uservecs[3][1], &uservecs[3][2], &uservecs[3][3]);
8507
8508                 R_ResetViewRendering2D();
8509                 R_Mesh_VertexPointer(r_screenvertex3f, 0, 0);
8510                 R_Mesh_ColorPointer(NULL, 0, 0);
8511                 GL_Color(1, 1, 1, 1);
8512                 GL_BlendFunc(GL_ONE, GL_ZERO);
8513                 R_Mesh_TexCoordPointer(0, 2, r_bloomstate.screentexcoord2f, 0, 0);
8514                 R_Mesh_TexCoordPointer(1, 2, r_bloomstate.bloomtexcoord2f, 0, 0);
8515
8516                 switch(vid.renderpath)
8517                 {
8518                 case RENDERPATH_GL20:
8519                         R_SetupShader_SetPermutationGLSL(SHADERMODE_POSTPROCESS, permutation);
8520                         if (r_glsl_permutation->loc_Texture_First      >= 0) R_Mesh_TexBind(GL20TU_FIRST     , r_bloomstate.texture_screen);
8521                         if (r_glsl_permutation->loc_Texture_Second     >= 0) R_Mesh_TexBind(GL20TU_SECOND    , r_bloomstate.texture_bloom );
8522                         if (r_glsl_permutation->loc_Texture_GammaRamps >= 0) R_Mesh_TexBind(GL20TU_GAMMARAMPS, r_texture_gammaramps       );
8523                         if (r_glsl_permutation->loc_ViewTintColor      >= 0) qglUniform4fARB(r_glsl_permutation->loc_ViewTintColor     , r_refdef.viewblend[0], r_refdef.viewblend[1], r_refdef.viewblend[2], r_refdef.viewblend[3]);
8524                         if (r_glsl_permutation->loc_PixelSize          >= 0) qglUniform2fARB(r_glsl_permutation->loc_PixelSize         , 1.0/r_bloomstate.screentexturewidth, 1.0/r_bloomstate.screentextureheight);
8525                         if (r_glsl_permutation->loc_UserVec1           >= 0) qglUniform4fARB(r_glsl_permutation->loc_UserVec1          , uservecs[0][0], uservecs[0][1], uservecs[0][2], uservecs[0][3]);
8526                         if (r_glsl_permutation->loc_UserVec2           >= 0) qglUniform4fARB(r_glsl_permutation->loc_UserVec2          , uservecs[1][0], uservecs[1][1], uservecs[1][2], uservecs[1][3]);
8527                         if (r_glsl_permutation->loc_UserVec3           >= 0) qglUniform4fARB(r_glsl_permutation->loc_UserVec3          , uservecs[2][0], uservecs[2][1], uservecs[2][2], uservecs[2][3]);
8528                         if (r_glsl_permutation->loc_UserVec4           >= 0) qglUniform4fARB(r_glsl_permutation->loc_UserVec4          , uservecs[3][0], uservecs[3][1], uservecs[3][2], uservecs[3][3]);
8529                         if (r_glsl_permutation->loc_Saturation         >= 0) qglUniform1fARB(r_glsl_permutation->loc_Saturation        , r_glsl_saturation.value);
8530                         if (r_glsl_permutation->loc_PixelToScreenTexCoord >= 0) qglUniform2fARB(r_glsl_permutation->loc_PixelToScreenTexCoord, 1.0f/vid.width, 1.0f/vid.height);
8531                         break;
8532                 case RENDERPATH_CGGL:
8533 #ifdef SUPPORTCG
8534                         R_SetupShader_SetPermutationCG(SHADERMODE_POSTPROCESS, permutation);
8535                         if (r_cg_permutation->fp_Texture_First     ) CG_BindTexture(r_cg_permutation->fp_Texture_First     , r_bloomstate.texture_screen);CHECKCGERROR
8536                         if (r_cg_permutation->fp_Texture_Second    ) CG_BindTexture(r_cg_permutation->fp_Texture_Second    , r_bloomstate.texture_bloom );CHECKCGERROR
8537                         if (r_cg_permutation->fp_Texture_GammaRamps) CG_BindTexture(r_cg_permutation->fp_Texture_GammaRamps, r_texture_gammaramps       );CHECKCGERROR
8538                         if (r_cg_permutation->fp_ViewTintColor     ) cgGLSetParameter4f(     r_cg_permutation->fp_ViewTintColor     , r_refdef.viewblend[0], r_refdef.viewblend[1], r_refdef.viewblend[2], r_refdef.viewblend[3]);CHECKCGERROR
8539                         if (r_cg_permutation->fp_PixelSize         ) cgGLSetParameter2f(     r_cg_permutation->fp_PixelSize         , 1.0/r_bloomstate.screentexturewidth, 1.0/r_bloomstate.screentextureheight);CHECKCGERROR
8540                         if (r_cg_permutation->fp_UserVec1          ) cgGLSetParameter4f(     r_cg_permutation->fp_UserVec1          , uservecs[0][0], uservecs[0][1], uservecs[0][2], uservecs[0][3]);CHECKCGERROR
8541                         if (r_cg_permutation->fp_UserVec2          ) cgGLSetParameter4f(     r_cg_permutation->fp_UserVec2          , uservecs[1][0], uservecs[1][1], uservecs[1][2], uservecs[1][3]);CHECKCGERROR
8542                         if (r_cg_permutation->fp_UserVec3          ) cgGLSetParameter4f(     r_cg_permutation->fp_UserVec3          , uservecs[2][0], uservecs[2][1], uservecs[2][2], uservecs[2][3]);CHECKCGERROR
8543                         if (r_cg_permutation->fp_UserVec4          ) cgGLSetParameter4f(     r_cg_permutation->fp_UserVec4          , uservecs[3][0], uservecs[3][1], uservecs[3][2], uservecs[3][3]);CHECKCGERROR
8544                         if (r_cg_permutation->fp_Saturation        ) cgGLSetParameter1f(     r_cg_permutation->fp_Saturation        , r_glsl_saturation.value);CHECKCGERROR
8545                         if (r_cg_permutation->fp_PixelToScreenTexCoord) cgGLSetParameter2f(r_cg_permutation->fp_PixelToScreenTexCoord, 1.0f/vid.width, 1.0/vid.height);CHECKCGERROR
8546 #endif
8547                         break;
8548                 default:
8549                         break;
8550                 }
8551                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
8552                 r_refdef.stats.bloom_drawpixels += r_refdef.view.viewport.width * r_refdef.view.viewport.height;
8553                 break;
8554         case RENDERPATH_GL13:
8555         case RENDERPATH_GL11:
8556                 if (r_refdef.viewblend[3] >= (1.0f / 256.0f))
8557                 {
8558                         // apply a color tint to the whole view
8559                         R_ResetViewRendering2D();
8560                         R_Mesh_VertexPointer(r_screenvertex3f, 0, 0);
8561                         R_Mesh_ColorPointer(NULL, 0, 0);
8562                         R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
8563                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
8564                         GL_Color(r_refdef.viewblend[0], r_refdef.viewblend[1], r_refdef.viewblend[2], r_refdef.viewblend[3]);
8565                         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
8566                 }
8567                 break;
8568         }
8569 }
8570
8571 matrix4x4_t r_waterscrollmatrix;
8572
8573 void R_UpdateFogColor(void) // needs to be called before HDR subrender too, as that changes colorscale!
8574 {
8575         if (r_refdef.fog_density)
8576         {
8577                 r_refdef.fogcolor[0] = r_refdef.fog_red;
8578                 r_refdef.fogcolor[1] = r_refdef.fog_green;
8579                 r_refdef.fogcolor[2] = r_refdef.fog_blue;
8580
8581                 Vector4Set(r_refdef.fogplane, 0, 0, 1, -r_refdef.fog_height);
8582                 r_refdef.fogplaneviewdist = DotProduct(r_refdef.fogplane, r_refdef.view.origin) + r_refdef.fogplane[3];
8583                 r_refdef.fogplaneviewabove = r_refdef.fogplaneviewdist >= 0;
8584                 r_refdef.fogheightfade = -0.5f/max(0.125f, r_refdef.fog_fadedepth);
8585
8586                 {
8587                         vec3_t fogvec;
8588                         VectorCopy(r_refdef.fogcolor, fogvec);
8589                         //   color.rgb *= ContrastBoost * SceneBrightness;
8590                         VectorScale(fogvec, r_refdef.view.colorscale, fogvec);
8591                         r_refdef.fogcolor[0] = bound(0.0f, fogvec[0], 1.0f);
8592                         r_refdef.fogcolor[1] = bound(0.0f, fogvec[1], 1.0f);
8593                         r_refdef.fogcolor[2] = bound(0.0f, fogvec[2], 1.0f);
8594                 }
8595         }
8596 }
8597
8598 void R_UpdateVariables(void)
8599 {
8600         R_Textures_Frame();
8601
8602         r_refdef.scene.ambient = r_ambient.value * (1.0f / 64.0f);
8603
8604         r_refdef.farclip = r_farclip_base.value;
8605         if (r_refdef.scene.worldmodel)
8606                 r_refdef.farclip += r_refdef.scene.worldmodel->radius * r_farclip_world.value * 2;
8607         r_refdef.nearclip = bound (0.001f, r_nearclip.value, r_refdef.farclip - 1.0f);
8608
8609         if (r_shadow_frontsidecasting.integer < 0 || r_shadow_frontsidecasting.integer > 1)
8610                 Cvar_SetValueQuick(&r_shadow_frontsidecasting, 1);
8611         r_refdef.polygonfactor = 0;
8612         r_refdef.polygonoffset = 0;
8613         r_refdef.shadowpolygonfactor = r_refdef.polygonfactor + r_shadow_polygonfactor.value * (r_shadow_frontsidecasting.integer ? 1 : -1);
8614         r_refdef.shadowpolygonoffset = r_refdef.polygonoffset + r_shadow_polygonoffset.value * (r_shadow_frontsidecasting.integer ? 1 : -1);
8615
8616         r_refdef.scene.rtworld = r_shadow_realtime_world.integer != 0;
8617         r_refdef.scene.rtworldshadows = r_shadow_realtime_world_shadows.integer && vid.stencil;
8618         r_refdef.scene.rtdlight = (r_shadow_realtime_world.integer || r_shadow_realtime_dlight.integer) && !gl_flashblend.integer && r_dynamic.integer;
8619         r_refdef.scene.rtdlightshadows = r_refdef.scene.rtdlight && r_shadow_realtime_dlight_shadows.integer && vid.stencil;
8620         r_refdef.lightmapintensity = r_refdef.scene.rtworld ? r_shadow_realtime_world_lightmaps.value : 1;
8621         if (FAKELIGHT_ENABLED)
8622         {
8623                 r_refdef.lightmapintensity *= r_fakelight_intensity.value;
8624         }
8625         if (r_showsurfaces.integer)
8626         {
8627                 r_refdef.scene.rtworld = false;
8628                 r_refdef.scene.rtworldshadows = false;
8629                 r_refdef.scene.rtdlight = false;
8630                 r_refdef.scene.rtdlightshadows = false;
8631                 r_refdef.lightmapintensity = 0;
8632         }
8633
8634         if (gamemode == GAME_NEHAHRA)
8635         {
8636                 if (gl_fogenable.integer)
8637                 {
8638                         r_refdef.oldgl_fogenable = true;
8639                         r_refdef.fog_density = gl_fogdensity.value;
8640                         r_refdef.fog_red = gl_fogred.value;
8641                         r_refdef.fog_green = gl_foggreen.value;
8642                         r_refdef.fog_blue = gl_fogblue.value;
8643                         r_refdef.fog_alpha = 1;
8644                         r_refdef.fog_start = 0;
8645                         r_refdef.fog_end = gl_skyclip.value;
8646                         r_refdef.fog_height = 1<<30;
8647                         r_refdef.fog_fadedepth = 128;
8648                 }
8649                 else if (r_refdef.oldgl_fogenable)
8650                 {
8651                         r_refdef.oldgl_fogenable = false;
8652                         r_refdef.fog_density = 0;
8653                         r_refdef.fog_red = 0;
8654                         r_refdef.fog_green = 0;
8655                         r_refdef.fog_blue = 0;
8656                         r_refdef.fog_alpha = 0;
8657                         r_refdef.fog_start = 0;
8658                         r_refdef.fog_end = 0;
8659                         r_refdef.fog_height = 1<<30;
8660                         r_refdef.fog_fadedepth = 128;
8661                 }
8662         }
8663
8664         r_refdef.fog_alpha = bound(0, r_refdef.fog_alpha, 1);
8665         r_refdef.fog_start = max(0, r_refdef.fog_start);
8666         r_refdef.fog_end = max(r_refdef.fog_start + 0.01, r_refdef.fog_end);
8667
8668         // R_UpdateFogColor(); // why? R_RenderScene does it anyway
8669
8670         if (r_refdef.fog_density && r_drawfog.integer)
8671         {
8672                 r_refdef.fogenabled = true;
8673                 // this is the point where the fog reaches 0.9986 alpha, which we
8674                 // consider a good enough cutoff point for the texture
8675                 // (0.9986 * 256 == 255.6)
8676                 if (r_fog_exp2.integer)
8677                         r_refdef.fogrange = 32 / (r_refdef.fog_density * r_refdef.fog_density) + r_refdef.fog_start;
8678                 else
8679                         r_refdef.fogrange = 2048 / r_refdef.fog_density + r_refdef.fog_start;
8680                 r_refdef.fogrange = bound(r_refdef.fog_start, r_refdef.fogrange, r_refdef.fog_end);
8681                 r_refdef.fograngerecip = 1.0f / r_refdef.fogrange;
8682                 r_refdef.fogmasktabledistmultiplier = FOGMASKTABLEWIDTH * r_refdef.fograngerecip;
8683                 if (strcmp(r_refdef.fogheighttexturename, r_refdef.fog_height_texturename))
8684                         R_BuildFogHeightTexture();
8685                 // fog color was already set
8686                 // update the fog texture
8687                 if (r_refdef.fogmasktable_start != r_refdef.fog_start || r_refdef.fogmasktable_alpha != r_refdef.fog_alpha || r_refdef.fogmasktable_density != r_refdef.fog_density || r_refdef.fogmasktable_range != r_refdef.fogrange)
8688                         R_BuildFogTexture();
8689                 r_refdef.fog_height_texcoordscale = 1.0f / max(0.125f, r_refdef.fog_fadedepth);
8690                 r_refdef.fog_height_tablescale = r_refdef.fog_height_tablesize * r_refdef.fog_height_texcoordscale;
8691         }
8692         else
8693                 r_refdef.fogenabled = false;
8694
8695         switch(vid.renderpath)
8696         {
8697         case RENDERPATH_GL20:
8698         case RENDERPATH_CGGL:
8699                 if(v_glslgamma.integer && !vid_gammatables_trivial)
8700                 {
8701                         if(!r_texture_gammaramps || vid_gammatables_serial != r_texture_gammaramps_serial)
8702                         {
8703                                 // build GLSL gamma texture
8704 #define RAMPWIDTH 256
8705                                 unsigned short ramp[RAMPWIDTH * 3];
8706                                 unsigned char rampbgr[RAMPWIDTH][4];
8707                                 int i;
8708
8709                                 r_texture_gammaramps_serial = vid_gammatables_serial;
8710
8711                                 VID_BuildGammaTables(&ramp[0], RAMPWIDTH);
8712                                 for(i = 0; i < RAMPWIDTH; ++i)
8713                                 {
8714                                         rampbgr[i][0] = (unsigned char) (ramp[i + 2 * RAMPWIDTH] * 255.0 / 65535.0 + 0.5);
8715                                         rampbgr[i][1] = (unsigned char) (ramp[i + RAMPWIDTH] * 255.0 / 65535.0 + 0.5);
8716                                         rampbgr[i][2] = (unsigned char) (ramp[i] * 255.0 / 65535.0 + 0.5);
8717                                         rampbgr[i][3] = 0;
8718                                 }
8719                                 if (r_texture_gammaramps)
8720                                 {
8721                                         R_UpdateTexture(r_texture_gammaramps, &rampbgr[0][0], 0, 0, RAMPWIDTH, 1);
8722                                 }
8723                                 else
8724                                 {
8725                                         r_texture_gammaramps = R_LoadTexture2D(r_main_texturepool, "gammaramps", RAMPWIDTH, 1, &rampbgr[0][0], TEXTYPE_BGRA, TEXF_FORCELINEAR | TEXF_CLAMP | TEXF_PERSISTENT, -1, NULL);
8726                                 }
8727                         }
8728                 }
8729                 else
8730                 {
8731                         // remove GLSL gamma texture
8732                 }
8733                 break;
8734         case RENDERPATH_GL13:
8735         case RENDERPATH_GL11:
8736                 break;
8737         }
8738 }
8739
8740 static r_refdef_scene_type_t r_currentscenetype = RST_CLIENT;
8741 static r_refdef_scene_t r_scenes_store[ RST_COUNT ];
8742 /*
8743 ================
8744 R_SelectScene
8745 ================
8746 */
8747 void R_SelectScene( r_refdef_scene_type_t scenetype ) {
8748         if( scenetype != r_currentscenetype ) {
8749                 // store the old scenetype
8750                 r_scenes_store[ r_currentscenetype ] = r_refdef.scene;
8751                 r_currentscenetype = scenetype;
8752                 // move in the new scene
8753                 r_refdef.scene = r_scenes_store[ r_currentscenetype ];
8754         }
8755 }
8756
8757 /*
8758 ================
8759 R_GetScenePointer
8760 ================
8761 */
8762 r_refdef_scene_t * R_GetScenePointer( r_refdef_scene_type_t scenetype )
8763 {
8764         // of course, we could also add a qboolean that provides a lock state and a ReleaseScenePointer function..
8765         if( scenetype == r_currentscenetype ) {
8766                 return &r_refdef.scene;
8767         } else {
8768                 return &r_scenes_store[ scenetype ];
8769         }
8770 }
8771
8772 /*
8773 ================
8774 R_RenderView
8775 ================
8776 */
8777 void R_RenderView(void)
8778 {
8779         if (r_timereport_active)
8780                 R_TimeReport("start");
8781         r_textureframe++; // used only by R_GetCurrentTexture
8782         rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
8783
8784         if(R_CompileShader_CheckStaticParms())
8785                 R_GLSL_Restart_f();
8786
8787         if (!r_drawentities.integer)
8788                 r_refdef.scene.numentities = 0;
8789
8790         R_AnimCache_ClearCache();
8791         R_FrameData_NewFrame();
8792
8793         if (r_refdef.view.isoverlay)
8794         {
8795                 // TODO: FIXME: move this into its own backend function maybe? [2/5/2008 Andreas]
8796                 GL_Clear( GL_DEPTH_BUFFER_BIT );
8797                 R_TimeReport("depthclear");
8798
8799                 r_refdef.view.showdebug = false;
8800
8801                 r_waterstate.enabled = false;
8802                 r_waterstate.numwaterplanes = 0;
8803
8804                 R_RenderScene();
8805
8806                 CHECKGLERROR
8807                 return;
8808         }
8809
8810         if (!r_refdef.scene.entities || r_refdef.view.width * r_refdef.view.height == 0 || !r_renderview.integer || cl_videoplaying/* || !r_refdef.scene.worldmodel*/)
8811                 return; //Host_Error ("R_RenderView: NULL worldmodel");
8812
8813         r_refdef.view.colorscale = r_hdr_scenebrightness.value;
8814
8815         R_RenderView_UpdateViewVectors();
8816
8817         R_Shadow_UpdateWorldLightSelection();
8818
8819         R_Bloom_StartFrame();
8820         R_Water_StartFrame();
8821
8822         CHECKGLERROR
8823         if (r_timereport_active)
8824                 R_TimeReport("viewsetup");
8825
8826         R_ResetViewRendering3D();
8827
8828         if (r_refdef.view.clear || r_refdef.fogenabled)
8829         {
8830                 R_ClearScreen(r_refdef.fogenabled);
8831                 if (r_timereport_active)
8832                         R_TimeReport("viewclear");
8833         }
8834         r_refdef.view.clear = true;
8835
8836         // this produces a bloom texture to be used in R_BlendView() later
8837         if (r_hdr.integer && r_bloomstate.bloomwidth)
8838         {
8839                 R_HDR_RenderBloomTexture();
8840                 // we have to bump the texture frame again because r_refdef.view.colorscale is cached in the textures
8841                 r_textureframe++; // used only by R_GetCurrentTexture
8842         }
8843
8844         r_refdef.view.showdebug = true;
8845
8846         R_View_Update();
8847         if (r_timereport_active)
8848                 R_TimeReport("visibility");
8849
8850         r_waterstate.numwaterplanes = 0;
8851         if (r_waterstate.enabled)
8852                 R_RenderWaterPlanes();
8853
8854         R_RenderScene();
8855         r_waterstate.numwaterplanes = 0;
8856
8857         R_BlendView();
8858         if (r_timereport_active)
8859                 R_TimeReport("blendview");
8860
8861         GL_Scissor(0, 0, vid.width, vid.height);
8862         GL_ScissorTest(false);
8863
8864         CHECKGLERROR
8865 }
8866
8867 void R_RenderWaterPlanes(void)
8868 {
8869         if (cl.csqc_vidvars.drawworld && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->DrawAddWaterPlanes)
8870         {
8871                 r_refdef.scene.worldmodel->DrawAddWaterPlanes(r_refdef.scene.worldentity);
8872                 if (r_timereport_active)
8873                         R_TimeReport("waterworld");
8874         }
8875
8876         // don't let sound skip if going slow
8877         if (r_refdef.scene.extraupdate)
8878                 S_ExtraUpdate ();
8879
8880         R_DrawModelsAddWaterPlanes();
8881         if (r_timereport_active)
8882                 R_TimeReport("watermodels");
8883
8884         if (r_waterstate.numwaterplanes)
8885         {
8886                 R_Water_ProcessPlanes();
8887                 if (r_timereport_active)
8888                         R_TimeReport("waterscenes");
8889         }
8890 }
8891
8892 extern void R_DrawLightningBeams (void);
8893 extern void VM_CL_AddPolygonsToMeshQueue (void);
8894 extern void R_DrawPortals (void);
8895 extern cvar_t cl_locs_show;
8896 static void R_DrawLocs(void);
8897 static void R_DrawEntityBBoxes(void);
8898 static void R_DrawModelDecals(void);
8899 extern void R_DrawModelShadows(void);
8900 extern void R_DrawModelShadowMaps(void);
8901 extern cvar_t cl_decals_newsystem;
8902 extern qboolean r_shadow_usingdeferredprepass;
8903 void R_RenderScene(void)
8904 {
8905         qboolean shadowmapping = false;
8906
8907         if (r_timereport_active)
8908                 R_TimeReport("beginscene");
8909
8910         r_refdef.stats.renders++;
8911
8912         R_UpdateFogColor();
8913
8914         // don't let sound skip if going slow
8915         if (r_refdef.scene.extraupdate)
8916                 S_ExtraUpdate ();
8917
8918         R_MeshQueue_BeginScene();
8919
8920         R_SkyStartFrame();
8921
8922         Matrix4x4_CreateTranslate(&r_waterscrollmatrix, sin(r_refdef.scene.time) * 0.025 * r_waterscroll.value, sin(r_refdef.scene.time * 0.8f) * 0.025 * r_waterscroll.value, 0);
8923
8924         if (r_timereport_active)
8925                 R_TimeReport("skystartframe");
8926
8927         if (cl.csqc_vidvars.drawworld)
8928         {
8929                 // don't let sound skip if going slow
8930                 if (r_refdef.scene.extraupdate)
8931                         S_ExtraUpdate ();
8932
8933                 if (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->DrawSky)
8934                 {
8935                         r_refdef.scene.worldmodel->DrawSky(r_refdef.scene.worldentity);
8936                         if (r_timereport_active)
8937                                 R_TimeReport("worldsky");
8938                 }
8939
8940                 if (R_DrawBrushModelsSky() && r_timereport_active)
8941                         R_TimeReport("bmodelsky");
8942
8943                 if (skyrendermasked && skyrenderlater)
8944                 {
8945                         // we have to force off the water clipping plane while rendering sky
8946                         R_SetupView(false);
8947                         R_Sky();
8948                         R_SetupView(true);
8949                         if (r_timereport_active)
8950                                 R_TimeReport("sky");
8951                 }
8952         }
8953
8954         R_AnimCache_CacheVisibleEntities();
8955         if (r_timereport_active)
8956                 R_TimeReport("animation");
8957
8958         R_Shadow_PrepareLights();
8959         if (r_shadows.integer > 0 && r_refdef.lightmapintensity > 0)
8960                 R_Shadow_PrepareModelShadows();
8961         if (r_timereport_active)
8962                 R_TimeReport("preparelights");
8963
8964         if (R_Shadow_ShadowMappingEnabled())
8965                 shadowmapping = true;
8966
8967         if (r_shadow_usingdeferredprepass)
8968                 R_Shadow_DrawPrepass();
8969
8970         if (r_depthfirst.integer >= 1 && cl.csqc_vidvars.drawworld && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->DrawDepth)
8971         {
8972                 r_refdef.scene.worldmodel->DrawDepth(r_refdef.scene.worldentity);
8973                 if (r_timereport_active)
8974                         R_TimeReport("worlddepth");
8975         }
8976         if (r_depthfirst.integer >= 2)
8977         {
8978                 R_DrawModelsDepth();
8979                 if (r_timereport_active)
8980                         R_TimeReport("modeldepth");
8981         }
8982
8983         if (r_shadows.integer >= 2 && shadowmapping && r_refdef.lightmapintensity > 0)
8984         {
8985                 R_DrawModelShadowMaps();
8986                 R_ResetViewRendering3D();
8987                 // don't let sound skip if going slow
8988                 if (r_refdef.scene.extraupdate)
8989                         S_ExtraUpdate ();
8990         }
8991
8992         if (cl.csqc_vidvars.drawworld && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->Draw)
8993         {
8994                 r_refdef.scene.worldmodel->Draw(r_refdef.scene.worldentity);
8995                 if (r_timereport_active)
8996                         R_TimeReport("world");
8997         }
8998
8999         // don't let sound skip if going slow
9000         if (r_refdef.scene.extraupdate)
9001                 S_ExtraUpdate ();
9002
9003         R_DrawModels();
9004         if (r_timereport_active)
9005                 R_TimeReport("models");
9006
9007         // don't let sound skip if going slow
9008         if (r_refdef.scene.extraupdate)
9009                 S_ExtraUpdate ();
9010
9011         if ((r_shadows.integer == 1 || (r_shadows.integer > 0 && !shadowmapping)) && !r_shadows_drawafterrtlighting.integer && r_refdef.lightmapintensity > 0)
9012         {
9013                 R_DrawModelShadows();
9014                 R_ResetViewRendering3D();
9015                 // don't let sound skip if going slow
9016                 if (r_refdef.scene.extraupdate)
9017                         S_ExtraUpdate ();
9018         }
9019
9020         if (!r_shadow_usingdeferredprepass)
9021         {
9022                 R_Shadow_DrawLights();
9023                 if (r_timereport_active)
9024                         R_TimeReport("rtlights");
9025         }
9026
9027         // don't let sound skip if going slow
9028         if (r_refdef.scene.extraupdate)
9029                 S_ExtraUpdate ();
9030
9031         if ((r_shadows.integer == 1 || (r_shadows.integer > 0 && !shadowmapping)) && r_shadows_drawafterrtlighting.integer && r_refdef.lightmapintensity > 0)
9032         {
9033                 R_DrawModelShadows();
9034                 R_ResetViewRendering3D();
9035                 // don't let sound skip if going slow
9036                 if (r_refdef.scene.extraupdate)
9037                         S_ExtraUpdate ();
9038         }
9039
9040         if (cl.csqc_vidvars.drawworld)
9041         {
9042                 if (cl_decals_newsystem.integer)
9043                 {
9044                         R_DrawModelDecals();
9045                         if (r_timereport_active)
9046                                 R_TimeReport("modeldecals");
9047                 }
9048                 else
9049                 {
9050                         R_DrawDecals();
9051                         if (r_timereport_active)
9052                                 R_TimeReport("decals");
9053                 }
9054
9055                 R_DrawParticles();
9056                 if (r_timereport_active)
9057                         R_TimeReport("particles");
9058
9059                 R_DrawExplosions();
9060                 if (r_timereport_active)
9061                         R_TimeReport("explosions");
9062
9063                 R_DrawLightningBeams();
9064                 if (r_timereport_active)
9065                         R_TimeReport("lightning");
9066         }
9067
9068         VM_CL_AddPolygonsToMeshQueue();
9069
9070         if (r_refdef.view.showdebug)
9071         {
9072                 if (cl_locs_show.integer)
9073                 {
9074                         R_DrawLocs();
9075                         if (r_timereport_active)
9076                                 R_TimeReport("showlocs");
9077                 }
9078
9079                 if (r_drawportals.integer)
9080                 {
9081                         R_DrawPortals();
9082                         if (r_timereport_active)
9083                                 R_TimeReport("portals");
9084                 }
9085
9086                 if (r_showbboxes.value > 0)
9087                 {
9088                         R_DrawEntityBBoxes();
9089                         if (r_timereport_active)
9090                                 R_TimeReport("bboxes");
9091                 }
9092         }
9093
9094         R_MeshQueue_RenderTransparent();
9095         if (r_timereport_active)
9096                 R_TimeReport("drawtrans");
9097
9098         if (r_refdef.view.showdebug && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->DrawDebug && (r_showtris.value > 0 || r_shownormals.value != 0 || r_showcollisionbrushes.value > 0))
9099         {
9100                 r_refdef.scene.worldmodel->DrawDebug(r_refdef.scene.worldentity);
9101                 if (r_timereport_active)
9102                         R_TimeReport("worlddebug");
9103                 R_DrawModelsDebug();
9104                 if (r_timereport_active)
9105                         R_TimeReport("modeldebug");
9106         }
9107
9108         if (cl.csqc_vidvars.drawworld)
9109         {
9110                 R_Shadow_DrawCoronas();
9111                 if (r_timereport_active)
9112                         R_TimeReport("coronas");
9113         }
9114
9115 #if 0
9116         {
9117                 GL_DepthTest(false);
9118                 qglPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
9119                 GL_Color(1, 1, 1, 1);
9120                 qglBegin(GL_POLYGON);
9121                 qglVertex3f(r_refdef.view.frustumcorner[0][0], r_refdef.view.frustumcorner[0][1], r_refdef.view.frustumcorner[0][2]);
9122                 qglVertex3f(r_refdef.view.frustumcorner[1][0], r_refdef.view.frustumcorner[1][1], r_refdef.view.frustumcorner[1][2]);
9123                 qglVertex3f(r_refdef.view.frustumcorner[3][0], r_refdef.view.frustumcorner[3][1], r_refdef.view.frustumcorner[3][2]);
9124                 qglVertex3f(r_refdef.view.frustumcorner[2][0], r_refdef.view.frustumcorner[2][1], r_refdef.view.frustumcorner[2][2]);
9125                 qglEnd();
9126                 qglBegin(GL_POLYGON);
9127                 qglVertex3f(r_refdef.view.frustumcorner[0][0] + 1000 * r_refdef.view.forward[0], r_refdef.view.frustumcorner[0][1] + 1000 * r_refdef.view.forward[1], r_refdef.view.frustumcorner[0][2] + 1000 * r_refdef.view.forward[2]);
9128                 qglVertex3f(r_refdef.view.frustumcorner[1][0] + 1000 * r_refdef.view.forward[0], r_refdef.view.frustumcorner[1][1] + 1000 * r_refdef.view.forward[1], r_refdef.view.frustumcorner[1][2] + 1000 * r_refdef.view.forward[2]);
9129                 qglVertex3f(r_refdef.view.frustumcorner[3][0] + 1000 * r_refdef.view.forward[0], r_refdef.view.frustumcorner[3][1] + 1000 * r_refdef.view.forward[1], r_refdef.view.frustumcorner[3][2] + 1000 * r_refdef.view.forward[2]);
9130                 qglVertex3f(r_refdef.view.frustumcorner[2][0] + 1000 * r_refdef.view.forward[0], r_refdef.view.frustumcorner[2][1] + 1000 * r_refdef.view.forward[1], r_refdef.view.frustumcorner[2][2] + 1000 * r_refdef.view.forward[2]);
9131                 qglEnd();
9132                 qglPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
9133         }
9134 #endif
9135
9136         // don't let sound skip if going slow
9137         if (r_refdef.scene.extraupdate)
9138                 S_ExtraUpdate ();
9139
9140         R_ResetViewRendering2D();
9141 }
9142
9143 static const unsigned short bboxelements[36] =
9144 {
9145         5, 1, 3, 5, 3, 7,
9146         6, 2, 0, 6, 0, 4,
9147         7, 3, 2, 7, 2, 6,
9148         4, 0, 1, 4, 1, 5,
9149         4, 5, 7, 4, 7, 6,
9150         1, 0, 2, 1, 2, 3,
9151 };
9152
9153 void R_DrawBBoxMesh(vec3_t mins, vec3_t maxs, float cr, float cg, float cb, float ca)
9154 {
9155         int i;
9156         float *v, *c, f1, f2, vertex3f[8*3], color4f[8*4];
9157
9158         RSurf_ActiveWorldEntity();
9159
9160         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
9161         GL_DepthMask(false);
9162         GL_DepthRange(0, 1);
9163         GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
9164         R_Mesh_ResetTextureState();
9165
9166         vertex3f[ 0] = mins[0];vertex3f[ 1] = mins[1];vertex3f[ 2] = mins[2]; //
9167         vertex3f[ 3] = maxs[0];vertex3f[ 4] = mins[1];vertex3f[ 5] = mins[2];
9168         vertex3f[ 6] = mins[0];vertex3f[ 7] = maxs[1];vertex3f[ 8] = mins[2];
9169         vertex3f[ 9] = maxs[0];vertex3f[10] = maxs[1];vertex3f[11] = mins[2];
9170         vertex3f[12] = mins[0];vertex3f[13] = mins[1];vertex3f[14] = maxs[2];
9171         vertex3f[15] = maxs[0];vertex3f[16] = mins[1];vertex3f[17] = maxs[2];
9172         vertex3f[18] = mins[0];vertex3f[19] = maxs[1];vertex3f[20] = maxs[2];
9173         vertex3f[21] = maxs[0];vertex3f[22] = maxs[1];vertex3f[23] = maxs[2];
9174         R_FillColors(color4f, 8, cr, cg, cb, ca);
9175         if (r_refdef.fogenabled)
9176         {
9177                 for (i = 0, v = vertex3f, c = color4f;i < 8;i++, v += 3, c += 4)
9178                 {
9179                         f1 = RSurf_FogVertex(v);
9180                         f2 = 1 - f1;
9181                         c[0] = c[0] * f1 + r_refdef.fogcolor[0] * f2;
9182                         c[1] = c[1] * f1 + r_refdef.fogcolor[1] * f2;
9183                         c[2] = c[2] * f1 + r_refdef.fogcolor[2] * f2;
9184                 }
9185         }
9186         R_Mesh_VertexPointer(vertex3f, 0, 0);
9187         R_Mesh_ColorPointer(color4f, 0, 0);
9188         R_Mesh_ResetTextureState();
9189         R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
9190         R_Mesh_Draw(0, 8, 0, 12, NULL, bboxelements, 0, 0);
9191 }
9192
9193 static void R_DrawEntityBBoxes_Callback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
9194 {
9195         int i;
9196         float color[4];
9197         prvm_edict_t *edict;
9198         prvm_prog_t *prog_save = prog;
9199
9200         // this function draws bounding boxes of server entities
9201         if (!sv.active)
9202                 return;
9203
9204         GL_CullFace(GL_NONE);
9205         R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
9206
9207         prog = 0;
9208         SV_VM_Begin();
9209         for (i = 0;i < numsurfaces;i++)
9210         {
9211                 edict = PRVM_EDICT_NUM(surfacelist[i]);
9212                 switch ((int)edict->fields.server->solid)
9213                 {
9214                         case SOLID_NOT:      Vector4Set(color, 1, 1, 1, 0.05);break;
9215                         case SOLID_TRIGGER:  Vector4Set(color, 1, 0, 1, 0.10);break;
9216                         case SOLID_BBOX:     Vector4Set(color, 0, 1, 0, 0.10);break;
9217                         case SOLID_SLIDEBOX: Vector4Set(color, 1, 0, 0, 0.10);break;
9218                         case SOLID_BSP:      Vector4Set(color, 0, 0, 1, 0.05);break;
9219                         default:             Vector4Set(color, 0, 0, 0, 0.50);break;
9220                 }
9221                 color[3] *= r_showbboxes.value;
9222                 color[3] = bound(0, color[3], 1);
9223                 GL_DepthTest(!r_showdisabledepthtest.integer);
9224                 GL_CullFace(r_refdef.view.cullface_front);
9225                 R_DrawBBoxMesh(edict->priv.server->areamins, edict->priv.server->areamaxs, color[0], color[1], color[2], color[3]);
9226         }
9227         SV_VM_End();
9228         prog = prog_save;
9229 }
9230
9231 static void R_DrawEntityBBoxes(void)
9232 {
9233         int i;
9234         prvm_edict_t *edict;
9235         vec3_t center;
9236         prvm_prog_t *prog_save = prog;
9237
9238         // this function draws bounding boxes of server entities
9239         if (!sv.active)
9240                 return;
9241
9242         prog = 0;
9243         SV_VM_Begin();
9244         for (i = 0;i < prog->num_edicts;i++)
9245         {
9246                 edict = PRVM_EDICT_NUM(i);
9247                 if (edict->priv.server->free)
9248                         continue;
9249                 // exclude the following for now, as they don't live in world coordinate space and can't be solid:
9250                 if(PRVM_EDICTFIELDVALUE(edict, prog->fieldoffsets.tag_entity)->edict != 0)
9251                         continue;
9252                 if(PRVM_EDICTFIELDVALUE(edict, prog->fieldoffsets.viewmodelforclient)->edict != 0)
9253                         continue;
9254                 VectorLerp(edict->priv.server->areamins, 0.5f, edict->priv.server->areamaxs, center);
9255                 R_MeshQueue_AddTransparent(center, R_DrawEntityBBoxes_Callback, (entity_render_t *)NULL, i, (rtlight_t *)NULL);
9256         }
9257         SV_VM_End();
9258         prog = prog_save;
9259 }
9260
9261 static const int nomodelelement3i[24] =
9262 {
9263         5, 2, 0,
9264         5, 1, 2,
9265         5, 0, 3,
9266         5, 3, 1,
9267         0, 2, 4,
9268         2, 1, 4,
9269         3, 0, 4,
9270         1, 3, 4
9271 };
9272
9273 static const unsigned short nomodelelement3s[24] =
9274 {
9275         5, 2, 0,
9276         5, 1, 2,
9277         5, 0, 3,
9278         5, 3, 1,
9279         0, 2, 4,
9280         2, 1, 4,
9281         3, 0, 4,
9282         1, 3, 4
9283 };
9284
9285 static const float nomodelvertex3f[6*3] =
9286 {
9287         -16,   0,   0,
9288          16,   0,   0,
9289           0, -16,   0,
9290           0,  16,   0,
9291           0,   0, -16,
9292           0,   0,  16
9293 };
9294
9295 static const float nomodelcolor4f[6*4] =
9296 {
9297         0.0f, 0.0f, 0.5f, 1.0f,
9298         0.0f, 0.0f, 0.5f, 1.0f,
9299         0.0f, 0.5f, 0.0f, 1.0f,
9300         0.0f, 0.5f, 0.0f, 1.0f,
9301         0.5f, 0.0f, 0.0f, 1.0f,
9302         0.5f, 0.0f, 0.0f, 1.0f
9303 };
9304
9305 void R_DrawNoModel_TransparentCallback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
9306 {
9307         int i;
9308         float f1, f2, *c;
9309         float color4f[6*4];
9310
9311         RSurf_ActiveCustomEntity(&ent->matrix, &ent->inversematrix, ent->flags, ent->shadertime, ent->colormod[0], ent->colormod[1], ent->colormod[2], ent->alpha, 6, nomodelvertex3f, NULL, NULL, NULL, NULL, nomodelcolor4f, 8, nomodelelement3i, nomodelelement3s, false, false);
9312
9313         // this is only called once per entity so numsurfaces is always 1, and
9314         // surfacelist is always {0}, so this code does not handle batches
9315
9316         if (rsurface.ent_flags & RENDER_ADDITIVE)
9317         {
9318                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
9319                 GL_DepthMask(false);
9320         }
9321         else if (rsurface.colormod[3] < 1)
9322         {
9323                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
9324                 GL_DepthMask(false);
9325         }
9326         else
9327         {
9328                 GL_BlendFunc(GL_ONE, GL_ZERO);
9329                 GL_DepthMask(true);
9330         }
9331         GL_DepthRange(0, (rsurface.ent_flags & RENDER_VIEWMODEL) ? 0.0625 : 1);
9332         GL_PolygonOffset(rsurface.basepolygonfactor, rsurface.basepolygonoffset);
9333         GL_DepthTest(!(rsurface.ent_flags & RENDER_NODEPTHTEST));
9334         GL_CullFace((rsurface.ent_flags & RENDER_DOUBLESIDED) ? GL_NONE : r_refdef.view.cullface_back);
9335         R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
9336         R_Mesh_VertexPointer(rsurface.vertex3f, rsurface.vertex3f_bufferobject, rsurface.vertex3f_bufferoffset);
9337         memcpy(color4f, nomodelcolor4f, sizeof(float[6*4]));
9338         R_Mesh_ColorPointer(color4f, 0, 0);
9339         for (i = 0, c = color4f;i < 6;i++, c += 4)
9340         {
9341                 c[0] *= rsurface.colormod[0];
9342                 c[1] *= rsurface.colormod[1];
9343                 c[2] *= rsurface.colormod[2];
9344                 c[3] *= rsurface.colormod[3];
9345         }
9346         if (r_refdef.fogenabled)
9347         {
9348                 for (i = 0, c = color4f;i < 6;i++, c += 4)
9349                 {
9350                         f1 = RSurf_FogVertex(rsurface.vertex3f + 3*i);
9351                         f2 = 1 - f1;
9352                         c[0] = (c[0] * f1 + r_refdef.fogcolor[0] * f2);
9353                         c[1] = (c[1] * f1 + r_refdef.fogcolor[1] * f2);
9354                         c[2] = (c[2] * f1 + r_refdef.fogcolor[2] * f2);
9355                 }
9356         }
9357         R_Mesh_ResetTextureState();
9358         R_Mesh_Draw(0, 6, 0, 8, nomodelelement3i, nomodelelement3s, 0, 0);
9359 }
9360
9361 void R_DrawNoModel(entity_render_t *ent)
9362 {
9363         vec3_t org;
9364         Matrix4x4_OriginFromMatrix(&ent->matrix, org);
9365         if ((ent->flags & RENDER_ADDITIVE) || (ent->alpha < 1))
9366                 R_MeshQueue_AddTransparent(ent->flags & RENDER_NODEPTHTEST ? r_refdef.view.origin : org, R_DrawNoModel_TransparentCallback, ent, 0, rsurface.rtlight);
9367         else
9368                 R_DrawNoModel_TransparentCallback(ent, rsurface.rtlight, 0, NULL);
9369 }
9370
9371 void R_CalcBeam_Vertex3f (float *vert, const vec3_t org1, const vec3_t org2, float width)
9372 {
9373         vec3_t right1, right2, diff, normal;
9374
9375         VectorSubtract (org2, org1, normal);
9376
9377         // calculate 'right' vector for start
9378         VectorSubtract (r_refdef.view.origin, org1, diff);
9379         CrossProduct (normal, diff, right1);
9380         VectorNormalize (right1);
9381
9382         // calculate 'right' vector for end
9383         VectorSubtract (r_refdef.view.origin, org2, diff);
9384         CrossProduct (normal, diff, right2);
9385         VectorNormalize (right2);
9386
9387         vert[ 0] = org1[0] + width * right1[0];
9388         vert[ 1] = org1[1] + width * right1[1];
9389         vert[ 2] = org1[2] + width * right1[2];
9390         vert[ 3] = org1[0] - width * right1[0];
9391         vert[ 4] = org1[1] - width * right1[1];
9392         vert[ 5] = org1[2] - width * right1[2];
9393         vert[ 6] = org2[0] - width * right2[0];
9394         vert[ 7] = org2[1] - width * right2[1];
9395         vert[ 8] = org2[2] - width * right2[2];
9396         vert[ 9] = org2[0] + width * right2[0];
9397         vert[10] = org2[1] + width * right2[1];
9398         vert[11] = org2[2] + width * right2[2];
9399 }
9400
9401 void R_CalcSprite_Vertex3f(float *vertex3f, const vec3_t origin, const vec3_t left, const vec3_t up, float scalex1, float scalex2, float scaley1, float scaley2)
9402 {
9403         vertex3f[ 0] = origin[0] + left[0] * scalex2 + up[0] * scaley1;
9404         vertex3f[ 1] = origin[1] + left[1] * scalex2 + up[1] * scaley1;
9405         vertex3f[ 2] = origin[2] + left[2] * scalex2 + up[2] * scaley1;
9406         vertex3f[ 3] = origin[0] + left[0] * scalex2 + up[0] * scaley2;
9407         vertex3f[ 4] = origin[1] + left[1] * scalex2 + up[1] * scaley2;
9408         vertex3f[ 5] = origin[2] + left[2] * scalex2 + up[2] * scaley2;
9409         vertex3f[ 6] = origin[0] + left[0] * scalex1 + up[0] * scaley2;
9410         vertex3f[ 7] = origin[1] + left[1] * scalex1 + up[1] * scaley2;
9411         vertex3f[ 8] = origin[2] + left[2] * scalex1 + up[2] * scaley2;
9412         vertex3f[ 9] = origin[0] + left[0] * scalex1 + up[0] * scaley1;
9413         vertex3f[10] = origin[1] + left[1] * scalex1 + up[1] * scaley1;
9414         vertex3f[11] = origin[2] + left[2] * scalex1 + up[2] * scaley1;
9415 }
9416
9417 int R_Mesh_AddVertex(rmesh_t *mesh, float x, float y, float z)
9418 {
9419         int i;
9420         float *vertex3f;
9421         float v[3];
9422         VectorSet(v, x, y, z);
9423         for (i = 0, vertex3f = mesh->vertex3f;i < mesh->numvertices;i++, vertex3f += 3)
9424                 if (VectorDistance2(v, vertex3f) < mesh->epsilon2)
9425                         break;
9426         if (i == mesh->numvertices)
9427         {
9428                 if (mesh->numvertices < mesh->maxvertices)
9429                 {
9430                         VectorCopy(v, vertex3f);
9431                         mesh->numvertices++;
9432                 }
9433                 return mesh->numvertices;
9434         }
9435         else
9436                 return i;
9437 }
9438
9439 void R_Mesh_AddPolygon3f(rmesh_t *mesh, int numvertices, float *vertex3f)
9440 {
9441         int i;
9442         int *e, element[3];
9443         element[0] = R_Mesh_AddVertex(mesh, vertex3f[0], vertex3f[1], vertex3f[2]);vertex3f += 3;
9444         element[1] = R_Mesh_AddVertex(mesh, vertex3f[0], vertex3f[1], vertex3f[2]);vertex3f += 3;
9445         e = mesh->element3i + mesh->numtriangles * 3;
9446         for (i = 0;i < numvertices - 2;i++, vertex3f += 3)
9447         {
9448                 element[2] = R_Mesh_AddVertex(mesh, vertex3f[0], vertex3f[1], vertex3f[2]);
9449                 if (mesh->numtriangles < mesh->maxtriangles)
9450                 {
9451                         *e++ = element[0];
9452                         *e++ = element[1];
9453                         *e++ = element[2];
9454                         mesh->numtriangles++;
9455                 }
9456                 element[1] = element[2];
9457         }
9458 }
9459
9460 void R_Mesh_AddPolygon3d(rmesh_t *mesh, int numvertices, double *vertex3d)
9461 {
9462         int i;
9463         int *e, element[3];
9464         element[0] = R_Mesh_AddVertex(mesh, vertex3d[0], vertex3d[1], vertex3d[2]);vertex3d += 3;
9465         element[1] = R_Mesh_AddVertex(mesh, vertex3d[0], vertex3d[1], vertex3d[2]);vertex3d += 3;
9466         e = mesh->element3i + mesh->numtriangles * 3;
9467         for (i = 0;i < numvertices - 2;i++, vertex3d += 3)
9468         {
9469                 element[2] = R_Mesh_AddVertex(mesh, vertex3d[0], vertex3d[1], vertex3d[2]);
9470                 if (mesh->numtriangles < mesh->maxtriangles)
9471                 {
9472                         *e++ = element[0];
9473                         *e++ = element[1];
9474                         *e++ = element[2];
9475                         mesh->numtriangles++;
9476                 }
9477                 element[1] = element[2];
9478         }
9479 }
9480
9481 #define R_MESH_PLANE_DIST_EPSILON (1.0 / 32.0)
9482 void R_Mesh_AddBrushMeshFromPlanes(rmesh_t *mesh, int numplanes, mplane_t *planes)
9483 {
9484         int planenum, planenum2;
9485         int w;
9486         int tempnumpoints;
9487         mplane_t *plane, *plane2;
9488         double maxdist;
9489         double temppoints[2][256*3];
9490         // figure out how large a bounding box we need to properly compute this brush
9491         maxdist = 0;
9492         for (w = 0;w < numplanes;w++)
9493                 maxdist = max(maxdist, fabs(planes[w].dist));
9494         // now make it large enough to enclose the entire brush, and round it off to a reasonable multiple of 1024
9495         maxdist = floor(maxdist * (4.0 / 1024.0) + 1) * 1024.0;
9496         for (planenum = 0, plane = planes;planenum < numplanes;planenum++, plane++)
9497         {
9498                 w = 0;
9499                 tempnumpoints = 4;
9500                 PolygonD_QuadForPlane(temppoints[w], plane->normal[0], plane->normal[1], plane->normal[2], plane->dist, maxdist);
9501                 for (planenum2 = 0, plane2 = planes;planenum2 < numplanes && tempnumpoints >= 3;planenum2++, plane2++)
9502                 {
9503                         if (planenum2 == planenum)
9504                                 continue;
9505                         PolygonD_Divide(tempnumpoints, temppoints[w], plane2->normal[0], plane2->normal[1], plane2->normal[2], plane2->dist, R_MESH_PLANE_DIST_EPSILON, 0, NULL, NULL, 256, temppoints[!w], &tempnumpoints, NULL);
9506                         w = !w;
9507                 }
9508                 if (tempnumpoints < 3)
9509                         continue;
9510                 // generate elements forming a triangle fan for this polygon
9511                 R_Mesh_AddPolygon3d(mesh, tempnumpoints, temppoints[w]);
9512         }
9513 }
9514
9515 static void R_Texture_AddLayer(texture_t *t, qboolean depthmask, int blendfunc1, int blendfunc2, texturelayertype_t type, rtexture_t *texture, const matrix4x4_t *matrix, float r, float g, float b, float a)
9516 {
9517         texturelayer_t *layer;
9518         layer = t->currentlayers + t->currentnumlayers++;
9519         layer->type = type;
9520         layer->depthmask = depthmask;
9521         layer->blendfunc1 = blendfunc1;
9522         layer->blendfunc2 = blendfunc2;
9523         layer->texture = texture;
9524         layer->texmatrix = *matrix;
9525         layer->color[0] = r;
9526         layer->color[1] = g;
9527         layer->color[2] = b;
9528         layer->color[3] = a;
9529 }
9530
9531 static qboolean R_TestQ3WaveFunc(q3wavefunc_t func, const float *parms)
9532 {
9533         if(parms[0] == 0 && parms[1] == 0)
9534                 return false;
9535         if(func >> Q3WAVEFUNC_USER_SHIFT) // assumes rsurface to be set!
9536                 if(rsurface.userwavefunc_param[bound(0, (func >> Q3WAVEFUNC_USER_SHIFT) - 1, Q3WAVEFUNC_USER_COUNT)] == 0)
9537                         return false;
9538         return true;
9539 }
9540
9541 static float R_EvaluateQ3WaveFunc(q3wavefunc_t func, const float *parms)
9542 {
9543         double index, f;
9544         index = parms[2] + r_refdef.scene.time * parms[3];
9545         index -= floor(index);
9546         switch (func & ((1 << Q3WAVEFUNC_USER_SHIFT) - 1))
9547         {
9548         default:
9549         case Q3WAVEFUNC_NONE:
9550         case Q3WAVEFUNC_NOISE:
9551         case Q3WAVEFUNC_COUNT:
9552                 f = 0;
9553                 break;
9554         case Q3WAVEFUNC_SIN: f = sin(index * M_PI * 2);break;
9555         case Q3WAVEFUNC_SQUARE: f = index < 0.5 ? 1 : -1;break;
9556         case Q3WAVEFUNC_SAWTOOTH: f = index;break;
9557         case Q3WAVEFUNC_INVERSESAWTOOTH: f = 1 - index;break;
9558         case Q3WAVEFUNC_TRIANGLE:
9559                 index *= 4;
9560                 f = index - floor(index);
9561                 if (index < 1)
9562                         f = f;
9563                 else if (index < 2)
9564                         f = 1 - f;
9565                 else if (index < 3)
9566                         f = -f;
9567                 else
9568                         f = -(1 - f);
9569                 break;
9570         }
9571         f = parms[0] + parms[1] * f;
9572         if(func >> Q3WAVEFUNC_USER_SHIFT) // assumes rsurface to be set!
9573                 f *= rsurface.userwavefunc_param[bound(0, (func >> Q3WAVEFUNC_USER_SHIFT) - 1, Q3WAVEFUNC_USER_COUNT)];
9574         return (float) f;
9575 }
9576
9577 void R_tcMod_ApplyToMatrix(matrix4x4_t *texmatrix, q3shaderinfo_layer_tcmod_t *tcmod, int currentmaterialflags)
9578 {
9579         int w, h, idx;
9580         float f;
9581         float tcmat[12];
9582         matrix4x4_t matrix, temp;
9583         switch(tcmod->tcmod)
9584         {
9585                 case Q3TCMOD_COUNT:
9586                 case Q3TCMOD_NONE:
9587                         if (currentmaterialflags & MATERIALFLAG_WATERSCROLL)
9588                                 matrix = r_waterscrollmatrix;
9589                         else
9590                                 matrix = identitymatrix;
9591                         break;
9592                 case Q3TCMOD_ENTITYTRANSLATE:
9593                         // this is used in Q3 to allow the gamecode to control texcoord
9594                         // scrolling on the entity, which is not supported in darkplaces yet.
9595                         Matrix4x4_CreateTranslate(&matrix, 0, 0, 0);
9596                         break;
9597                 case Q3TCMOD_ROTATE:
9598                         Matrix4x4_CreateTranslate(&matrix, 0.5, 0.5, 0);
9599                         Matrix4x4_ConcatRotate(&matrix, tcmod->parms[0] * r_refdef.scene.time, 0, 0, 1);
9600                         Matrix4x4_ConcatTranslate(&matrix, -0.5, -0.5, 0);
9601                         break;
9602                 case Q3TCMOD_SCALE:
9603                         Matrix4x4_CreateScale3(&matrix, tcmod->parms[0], tcmod->parms[1], 1);
9604                         break;
9605                 case Q3TCMOD_SCROLL:
9606                         Matrix4x4_CreateTranslate(&matrix, tcmod->parms[0] * r_refdef.scene.time, tcmod->parms[1] * r_refdef.scene.time, 0);
9607                         break;
9608                 case Q3TCMOD_PAGE: // poor man's animmap (to store animations into a single file, useful for HTTP downloaded textures)
9609                         w = (int) tcmod->parms[0];
9610                         h = (int) tcmod->parms[1];
9611                         f = r_refdef.scene.time / (tcmod->parms[2] * w * h);
9612                         f = f - floor(f);
9613                         idx = (int) floor(f * w * h);
9614                         Matrix4x4_CreateTranslate(&matrix, (idx % w) / tcmod->parms[0], (idx / w) / tcmod->parms[1], 0);
9615                         break;
9616                 case Q3TCMOD_STRETCH:
9617                         f = 1.0f / R_EvaluateQ3WaveFunc(tcmod->wavefunc, tcmod->waveparms);
9618                         Matrix4x4_CreateFromQuakeEntity(&matrix, 0.5f * (1 - f), 0.5 * (1 - f), 0, 0, 0, 0, f);
9619                         break;
9620                 case Q3TCMOD_TRANSFORM:
9621                         VectorSet(tcmat +  0, tcmod->parms[0], tcmod->parms[1], 0);
9622                         VectorSet(tcmat +  3, tcmod->parms[2], tcmod->parms[3], 0);
9623                         VectorSet(tcmat +  6, 0                   , 0                , 1);
9624                         VectorSet(tcmat +  9, tcmod->parms[4], tcmod->parms[5], 0);
9625                         Matrix4x4_FromArray12FloatGL(&matrix, tcmat);
9626                         break;
9627                 case Q3TCMOD_TURBULENT:
9628                         // this is handled in the RSurf_PrepareVertices function
9629                         matrix = identitymatrix;
9630                         break;
9631         }
9632         temp = *texmatrix;
9633         Matrix4x4_Concat(texmatrix, &matrix, &temp);
9634 }
9635
9636 void R_LoadQWSkin(r_qwskincache_t *cache, const char *skinname)
9637 {
9638         int textureflags = (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_PICMIP | TEXF_COMPRESS;
9639         char name[MAX_QPATH];
9640         skinframe_t *skinframe;
9641         unsigned char pixels[296*194];
9642         strlcpy(cache->name, skinname, sizeof(cache->name));
9643         dpsnprintf(name, sizeof(name), "skins/%s.pcx", cache->name);
9644         if (developer_loading.integer)
9645                 Con_Printf("loading %s\n", name);
9646         skinframe = R_SkinFrame_Find(name, textureflags, 0, 0, 0, false);
9647         if (!skinframe || !skinframe->base)
9648         {
9649                 unsigned char *f;
9650                 fs_offset_t filesize;
9651                 skinframe = NULL;
9652                 f = FS_LoadFile(name, tempmempool, true, &filesize);
9653                 if (f)
9654                 {
9655                         if (LoadPCX_QWSkin(f, (int)filesize, pixels, 296, 194))
9656                                 skinframe = R_SkinFrame_LoadInternalQuake(name, textureflags, true, r_fullbrights.integer, pixels, image_width, image_height);
9657                         Mem_Free(f);
9658                 }
9659         }
9660         cache->skinframe = skinframe;
9661 }
9662
9663 texture_t *R_GetCurrentTexture(texture_t *t)
9664 {
9665         int i;
9666         const entity_render_t *ent = rsurface.entity;
9667         dp_model_t *model = ent->model;
9668         q3shaderinfo_layer_tcmod_t *tcmod;
9669
9670         if (t->update_lastrenderframe == r_textureframe && t->update_lastrenderentity == (void *)ent)
9671                 return t->currentframe;
9672         t->update_lastrenderframe = r_textureframe;
9673         t->update_lastrenderentity = (void *)ent;
9674
9675         if(ent && ent->entitynumber >= MAX_EDICTS && ent->entitynumber < 2 * MAX_EDICTS)
9676                 t->camera_entity = ent->entitynumber;
9677         else
9678                 t->camera_entity = 0;
9679
9680         // switch to an alternate material if this is a q1bsp animated material
9681         {
9682                 texture_t *texture = t;
9683                 int s = rsurface.ent_skinnum;
9684                 if ((unsigned int)s >= (unsigned int)model->numskins)
9685                         s = 0;
9686                 if (model->skinscenes)
9687                 {
9688                         if (model->skinscenes[s].framecount > 1)
9689                                 s = model->skinscenes[s].firstframe + (unsigned int) (r_refdef.scene.time * model->skinscenes[s].framerate) % model->skinscenes[s].framecount;
9690                         else
9691                                 s = model->skinscenes[s].firstframe;
9692                 }
9693                 if (s > 0)
9694                         t = t + s * model->num_surfaces;
9695                 if (t->animated)
9696                 {
9697                         // use an alternate animation if the entity's frame is not 0,
9698                         // and only if the texture has an alternate animation
9699                         if (rsurface.ent_alttextures && t->anim_total[1])
9700                                 t = t->anim_frames[1][(t->anim_total[1] >= 2) ? ((int)(r_refdef.scene.time * 5.0f) % t->anim_total[1]) : 0];
9701                         else
9702                                 t = t->anim_frames[0][(t->anim_total[0] >= 2) ? ((int)(r_refdef.scene.time * 5.0f) % t->anim_total[0]) : 0];
9703                 }
9704                 texture->currentframe = t;
9705         }
9706
9707         // update currentskinframe to be a qw skin or animation frame
9708         if (rsurface.ent_qwskin >= 0)
9709         {
9710                 i = rsurface.ent_qwskin;
9711                 if (!r_qwskincache || r_qwskincache_size != cl.maxclients)
9712                 {
9713                         r_qwskincache_size = cl.maxclients;
9714                         if (r_qwskincache)
9715                                 Mem_Free(r_qwskincache);
9716                         r_qwskincache = Mem_Alloc(r_main_mempool, sizeof(*r_qwskincache) * r_qwskincache_size);
9717                 }
9718                 if (strcmp(r_qwskincache[i].name, cl.scores[i].qw_skin))
9719                         R_LoadQWSkin(&r_qwskincache[i], cl.scores[i].qw_skin);
9720                 t->currentskinframe = r_qwskincache[i].skinframe;
9721                 if (t->currentskinframe == NULL)
9722                         t->currentskinframe = t->skinframes[(unsigned int)(t->skinframerate * (cl.time - rsurface.ent_shadertime)) % t->numskinframes];
9723         }
9724         else if (t->numskinframes >= 2)
9725                 t->currentskinframe = t->skinframes[(unsigned int)(t->skinframerate * (cl.time - rsurface.ent_shadertime)) % t->numskinframes];
9726         if (t->backgroundnumskinframes >= 2)
9727                 t->backgroundcurrentskinframe = t->backgroundskinframes[(unsigned int)(t->backgroundskinframerate * (cl.time - rsurface.ent_shadertime)) % t->backgroundnumskinframes];
9728
9729         t->currentmaterialflags = t->basematerialflags;
9730         t->currentalpha = rsurface.colormod[3];
9731         if (t->basematerialflags & MATERIALFLAG_WATERALPHA && (model->brush.supportwateralpha || r_novis.integer))
9732                 t->currentalpha *= r_wateralpha.value;
9733         if(t->basematerialflags & MATERIALFLAG_WATERSHADER && r_waterstate.enabled && !r_refdef.view.isoverlay)
9734                 t->currentmaterialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW; // we apply wateralpha later
9735         if(!r_waterstate.enabled || r_refdef.view.isoverlay)
9736                 t->currentmaterialflags &= ~(MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_REFLECTION | MATERIALFLAG_CAMERA);
9737         if (!(rsurface.ent_flags & RENDER_LIGHT))
9738                 t->currentmaterialflags |= MATERIALFLAG_FULLBRIGHT;
9739         else if (FAKELIGHT_ENABLED)
9740         {
9741                         // no modellight if using fakelight for the map
9742         }
9743         else if (rsurface.modeltexcoordlightmap2f == NULL && !(t->currentmaterialflags & MATERIALFLAG_FULLBRIGHT))
9744         {
9745                 // pick a model lighting mode
9746                 if (VectorLength2(rsurface.modellight_diffuse) >= (1.0f / 256.0f))
9747                         t->currentmaterialflags |= MATERIALFLAG_MODELLIGHT | MATERIALFLAG_MODELLIGHT_DIRECTIONAL;
9748                 else
9749                         t->currentmaterialflags |= MATERIALFLAG_MODELLIGHT;
9750         }
9751         if (rsurface.ent_flags & RENDER_ADDITIVE)
9752                 t->currentmaterialflags |= MATERIALFLAG_ADD | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
9753         else if (t->currentalpha < 1)
9754                 t->currentmaterialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
9755         if (rsurface.ent_flags & RENDER_DOUBLESIDED)
9756                 t->currentmaterialflags |= MATERIALFLAG_NOSHADOW | MATERIALFLAG_NOCULLFACE;
9757         if (rsurface.ent_flags & (RENDER_NODEPTHTEST | RENDER_VIEWMODEL))
9758                 t->currentmaterialflags |= MATERIALFLAG_SHORTDEPTHRANGE;
9759         if (t->backgroundnumskinframes)
9760                 t->currentmaterialflags |= MATERIALFLAG_VERTEXTEXTUREBLEND;
9761         if (t->currentmaterialflags & MATERIALFLAG_BLENDED)
9762         {
9763                 if (t->currentmaterialflags & (MATERIALFLAG_REFRACTION | MATERIALFLAG_WATERSHADER | MATERIALFLAG_CAMERA))
9764                         t->currentmaterialflags &= ~MATERIALFLAG_BLENDED;
9765         }
9766         else
9767                 t->currentmaterialflags &= ~(MATERIALFLAG_REFRACTION | MATERIALFLAG_WATERSHADER | MATERIALFLAG_CAMERA);
9768         if ((t->currentmaterialflags & (MATERIALFLAG_BLENDED | MATERIALFLAG_NODEPTHTEST)) == MATERIALFLAG_BLENDED && r_transparentdepthmasking.integer && !(t->basematerialflags & MATERIALFLAG_BLENDED))
9769                 t->currentmaterialflags |= MATERIALFLAG_TRANSDEPTH;
9770
9771         // there is no tcmod
9772         if (t->currentmaterialflags & MATERIALFLAG_WATERSCROLL)
9773         {
9774                 t->currenttexmatrix = r_waterscrollmatrix;
9775                 t->currentbackgroundtexmatrix = r_waterscrollmatrix;
9776         }
9777         else if (!(t->currentmaterialflags & MATERIALFLAG_CUSTOMSURFACE))
9778         {
9779                 Matrix4x4_CreateIdentity(&t->currenttexmatrix);
9780                 Matrix4x4_CreateIdentity(&t->currentbackgroundtexmatrix);
9781         }
9782
9783         for (i = 0, tcmod = t->tcmods;i < Q3MAXTCMODS && tcmod->tcmod;i++, tcmod++)
9784                 R_tcMod_ApplyToMatrix(&t->currenttexmatrix, tcmod, t->currentmaterialflags);
9785         for (i = 0, tcmod = t->backgroundtcmods;i < Q3MAXTCMODS && tcmod->tcmod;i++, tcmod++)
9786                 R_tcMod_ApplyToMatrix(&t->currentbackgroundtexmatrix, tcmod, t->currentmaterialflags);
9787
9788         t->colormapping = VectorLength2(rsurface.colormap_pantscolor) + VectorLength2(rsurface.colormap_shirtcolor) >= (1.0f / 1048576.0f);
9789         if (t->currentskinframe->qpixels)
9790                 R_SkinFrame_GenerateTexturesFromQPixels(t->currentskinframe, t->colormapping);
9791         t->basetexture = (!t->colormapping && t->currentskinframe->merged) ? t->currentskinframe->merged : t->currentskinframe->base;
9792         if (!t->basetexture)
9793                 t->basetexture = r_texture_notexture;
9794         t->pantstexture = t->colormapping ? t->currentskinframe->pants : NULL;
9795         t->shirttexture = t->colormapping ? t->currentskinframe->shirt : NULL;
9796         t->nmaptexture = t->currentskinframe->nmap;
9797         if (!t->nmaptexture)
9798                 t->nmaptexture = r_texture_blanknormalmap;
9799         t->glosstexture = r_texture_black;
9800         t->glowtexture = t->currentskinframe->glow;
9801         t->fogtexture = t->currentskinframe->fog;
9802         t->reflectmasktexture = t->currentskinframe->reflect;
9803         if (t->backgroundnumskinframes)
9804         {
9805                 t->backgroundbasetexture = (!t->colormapping && t->backgroundcurrentskinframe->merged) ? t->backgroundcurrentskinframe->merged : t->backgroundcurrentskinframe->base;
9806                 t->backgroundnmaptexture = t->backgroundcurrentskinframe->nmap;
9807                 t->backgroundglosstexture = r_texture_black;
9808                 t->backgroundglowtexture = t->backgroundcurrentskinframe->glow;
9809                 if (!t->backgroundnmaptexture)
9810                         t->backgroundnmaptexture = r_texture_blanknormalmap;
9811         }
9812         else
9813         {
9814                 t->backgroundbasetexture = t->backgroundnumskinframes ? ((!t->colormapping && t->backgroundcurrentskinframe->merged) ? t->backgroundcurrentskinframe->merged : t->backgroundcurrentskinframe->base) : r_texture_white;
9815                 t->backgroundnmaptexture = r_texture_blanknormalmap;
9816                 t->backgroundglosstexture = r_texture_black;
9817                 t->backgroundglowtexture = NULL;
9818         }
9819         t->specularpower = r_shadow_glossexponent.value;
9820         // TODO: store reference values for these in the texture?
9821         t->specularscale = 0;
9822         if (r_shadow_gloss.integer > 0)
9823         {
9824                 if (t->currentskinframe->gloss || (t->backgroundcurrentskinframe && t->backgroundcurrentskinframe->gloss))
9825                 {
9826                         if (r_shadow_glossintensity.value > 0)
9827                         {
9828                                 t->glosstexture = t->currentskinframe->gloss ? t->currentskinframe->gloss : r_texture_white;
9829                                 t->backgroundglosstexture = (t->backgroundcurrentskinframe && t->backgroundcurrentskinframe->gloss) ? t->backgroundcurrentskinframe->gloss : r_texture_white;
9830                                 t->specularscale = r_shadow_glossintensity.value;
9831                         }
9832                 }
9833                 else if (r_shadow_gloss.integer >= 2 && r_shadow_gloss2intensity.value > 0)
9834                 {
9835                         t->glosstexture = r_texture_white;
9836                         t->backgroundglosstexture = r_texture_white;
9837                         t->specularscale = r_shadow_gloss2intensity.value;
9838                         t->specularpower = r_shadow_gloss2exponent.value;
9839                 }
9840         }
9841         t->specularscale *= t->specularscalemod;
9842         t->specularpower *= t->specularpowermod;
9843
9844         // lightmaps mode looks bad with dlights using actual texturing, so turn
9845         // off the colormap and glossmap, but leave the normalmap on as it still
9846         // accurately represents the shading involved
9847         if (gl_lightmaps.integer)
9848         {
9849                 t->basetexture = r_texture_grey128;
9850                 t->pantstexture = r_texture_black;
9851                 t->shirttexture = r_texture_black;
9852                 t->nmaptexture = r_texture_blanknormalmap;
9853                 t->glosstexture = r_texture_black;
9854                 t->glowtexture = NULL;
9855                 t->fogtexture = NULL;
9856                 t->reflectmasktexture = NULL;
9857                 t->backgroundbasetexture = NULL;
9858                 t->backgroundnmaptexture = r_texture_blanknormalmap;
9859                 t->backgroundglosstexture = r_texture_black;
9860                 t->backgroundglowtexture = NULL;
9861                 t->specularscale = 0;
9862                 t->currentmaterialflags = MATERIALFLAG_WALL | (t->currentmaterialflags & (MATERIALFLAG_NOCULLFACE | MATERIALFLAG_MODELLIGHT | MATERIALFLAG_MODELLIGHT_DIRECTIONAL | MATERIALFLAG_NODEPTHTEST | MATERIALFLAG_SHORTDEPTHRANGE));
9863         }
9864
9865         Vector4Set(t->lightmapcolor, rsurface.colormod[0], rsurface.colormod[1], rsurface.colormod[2], t->currentalpha);
9866         VectorClear(t->dlightcolor);
9867         t->currentnumlayers = 0;
9868         if (t->currentmaterialflags & MATERIALFLAG_WALL)
9869         {
9870                 int blendfunc1, blendfunc2;
9871                 qboolean depthmask;
9872                 if (t->currentmaterialflags & MATERIALFLAG_ADD)
9873                 {
9874                         blendfunc1 = GL_SRC_ALPHA;
9875                         blendfunc2 = GL_ONE;
9876                 }
9877                 else if (t->currentmaterialflags & MATERIALFLAG_ALPHA)
9878                 {
9879                         blendfunc1 = GL_SRC_ALPHA;
9880                         blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
9881                 }
9882                 else if (t->currentmaterialflags & MATERIALFLAG_CUSTOMBLEND)
9883                 {
9884                         blendfunc1 = t->customblendfunc[0];
9885                         blendfunc2 = t->customblendfunc[1];
9886                 }
9887                 else
9888                 {
9889                         blendfunc1 = GL_ONE;
9890                         blendfunc2 = GL_ZERO;
9891                 }
9892                 // don't colormod evilblend textures
9893                 if(!R_BlendFuncAllowsColormod(blendfunc1, blendfunc2))
9894                         VectorSet(t->lightmapcolor, 1, 1, 1);
9895                 depthmask = !(t->currentmaterialflags & MATERIALFLAG_BLENDED);
9896                 if (t->currentmaterialflags & MATERIALFLAG_FULLBRIGHT)
9897                 {
9898                         // fullbright is not affected by r_refdef.lightmapintensity
9899                         R_Texture_AddLayer(t, depthmask, blendfunc1, blendfunc2, TEXTURELAYERTYPE_TEXTURE, t->basetexture, &t->currenttexmatrix, t->lightmapcolor[0], t->lightmapcolor[1], t->lightmapcolor[2], t->lightmapcolor[3]);
9900                         if (VectorLength2(rsurface.colormap_pantscolor) >= (1.0f / 1048576.0f) && t->pantstexture)
9901                                 R_Texture_AddLayer(t, false, GL_SRC_ALPHA, GL_ONE, TEXTURELAYERTYPE_TEXTURE, t->pantstexture, &t->currenttexmatrix, rsurface.colormap_pantscolor[0] * t->lightmapcolor[0], rsurface.colormap_pantscolor[1] * t->lightmapcolor[1], rsurface.colormap_pantscolor[2] * t->lightmapcolor[2], t->lightmapcolor[3]);
9902                         if (VectorLength2(rsurface.colormap_shirtcolor) >= (1.0f / 1048576.0f) && t->shirttexture)
9903                                 R_Texture_AddLayer(t, false, GL_SRC_ALPHA, GL_ONE, TEXTURELAYERTYPE_TEXTURE, t->shirttexture, &t->currenttexmatrix, rsurface.colormap_shirtcolor[0] * t->lightmapcolor[0], rsurface.colormap_shirtcolor[1] * t->lightmapcolor[1], rsurface.colormap_shirtcolor[2] * t->lightmapcolor[2], t->lightmapcolor[3]);
9904                 }
9905                 else
9906                 {
9907                         vec3_t ambientcolor;
9908                         float colorscale;
9909                         // set the color tint used for lights affecting this surface
9910                         VectorSet(t->dlightcolor, t->lightmapcolor[0] * t->lightmapcolor[3], t->lightmapcolor[1] * t->lightmapcolor[3], t->lightmapcolor[2] * t->lightmapcolor[3]);
9911                         colorscale = 2;
9912                         // q3bsp has no lightmap updates, so the lightstylevalue that
9913                         // would normally be baked into the lightmap must be
9914                         // applied to the color
9915                         // FIXME: r_glsl 1 rendering doesn't support overbright lightstyles with this (the default light style is not overbright)
9916                         if (model->type == mod_brushq3)
9917                                 colorscale *= r_refdef.scene.rtlightstylevalue[0];
9918                         colorscale *= r_refdef.lightmapintensity;
9919                         VectorScale(t->lightmapcolor, r_refdef.scene.ambient, ambientcolor);
9920                         VectorScale(t->lightmapcolor, colorscale, t->lightmapcolor);
9921                         // basic lit geometry
9922                         R_Texture_AddLayer(t, depthmask, blendfunc1, blendfunc2, TEXTURELAYERTYPE_LITTEXTURE, t->basetexture, &t->currenttexmatrix, t->lightmapcolor[0], t->lightmapcolor[1], t->lightmapcolor[2], t->lightmapcolor[3]);
9923                         // add pants/shirt if needed
9924                         if (VectorLength2(rsurface.colormap_pantscolor) >= (1.0f / 1048576.0f) && t->pantstexture)
9925                                 R_Texture_AddLayer(t, false, GL_SRC_ALPHA, GL_ONE, TEXTURELAYERTYPE_LITTEXTURE, t->pantstexture, &t->currenttexmatrix, rsurface.colormap_pantscolor[0] * t->lightmapcolor[0], rsurface.colormap_pantscolor[1] * t->lightmapcolor[1], rsurface.colormap_pantscolor[2]  * t->lightmapcolor[2], t->lightmapcolor[3]);
9926                         if (VectorLength2(rsurface.colormap_shirtcolor) >= (1.0f / 1048576.0f) && t->shirttexture)
9927                                 R_Texture_AddLayer(t, false, GL_SRC_ALPHA, GL_ONE, TEXTURELAYERTYPE_LITTEXTURE, t->shirttexture, &t->currenttexmatrix, rsurface.colormap_shirtcolor[0] * t->lightmapcolor[0], rsurface.colormap_shirtcolor[1] * t->lightmapcolor[1], rsurface.colormap_shirtcolor[2] * t->lightmapcolor[2], t->lightmapcolor[3]);
9928                         // now add ambient passes if needed
9929                         if (VectorLength2(ambientcolor) >= (1.0f/1048576.0f))
9930                         {
9931                                 R_Texture_AddLayer(t, false, GL_SRC_ALPHA, GL_ONE, TEXTURELAYERTYPE_TEXTURE, t->basetexture, &t->currenttexmatrix, ambientcolor[0], ambientcolor[1], ambientcolor[2], t->lightmapcolor[3]);
9932                                 if (VectorLength2(rsurface.colormap_pantscolor) >= (1.0f / 1048576.0f) && t->pantstexture)
9933                                         R_Texture_AddLayer(t, false, GL_SRC_ALPHA, GL_ONE, TEXTURELAYERTYPE_TEXTURE, t->pantstexture, &t->currenttexmatrix, rsurface.colormap_pantscolor[0] * ambientcolor[0], rsurface.colormap_pantscolor[1] * ambientcolor[1], rsurface.colormap_pantscolor[2] * ambientcolor[2], t->lightmapcolor[3]);
9934                                 if (VectorLength2(rsurface.colormap_shirtcolor) >= (1.0f / 1048576.0f) && t->shirttexture)
9935                                         R_Texture_AddLayer(t, false, GL_SRC_ALPHA, GL_ONE, TEXTURELAYERTYPE_TEXTURE, t->shirttexture, &t->currenttexmatrix, rsurface.colormap_shirtcolor[0] * ambientcolor[0], rsurface.colormap_shirtcolor[1] * ambientcolor[1], rsurface.colormap_shirtcolor[2] * ambientcolor[2], t->lightmapcolor[3]);
9936                         }
9937                 }
9938                 if (t->glowtexture != NULL && !gl_lightmaps.integer)
9939                         R_Texture_AddLayer(t, false, GL_SRC_ALPHA, GL_ONE, TEXTURELAYERTYPE_TEXTURE, t->glowtexture, &t->currenttexmatrix, rsurface.glowmod[0], rsurface.glowmod[1], rsurface.glowmod[2], t->lightmapcolor[3]);
9940                 if (r_refdef.fogenabled && !(t->currentmaterialflags & MATERIALFLAG_ADD))
9941                 {
9942                         // if this is opaque use alpha blend which will darken the earlier
9943                         // passes cheaply.
9944                         //
9945                         // if this is an alpha blended material, all the earlier passes
9946                         // were darkened by fog already, so we only need to add the fog
9947                         // color ontop through the fog mask texture
9948                         //
9949                         // if this is an additive blended material, all the earlier passes
9950                         // were darkened by fog already, and we should not add fog color
9951                         // (because the background was not darkened, there is no fog color
9952                         // that was lost behind it).
9953                         R_Texture_AddLayer(t, false, GL_SRC_ALPHA, (t->currentmaterialflags & MATERIALFLAG_BLENDED) ? GL_ONE : GL_ONE_MINUS_SRC_ALPHA, TEXTURELAYERTYPE_FOG, t->fogtexture, &t->currenttexmatrix, r_refdef.fogcolor[0], r_refdef.fogcolor[1], r_refdef.fogcolor[2], t->lightmapcolor[3]);
9954                 }
9955         }
9956
9957         return t->currentframe;
9958 }
9959
9960 rsurfacestate_t rsurface;
9961
9962 void R_Mesh_ResizeArrays(int newvertices)
9963 {
9964         float *base;
9965         if (rsurface.array_size >= newvertices)
9966                 return;
9967         if (rsurface.array_modelvertex3f)
9968                 Mem_Free(rsurface.array_modelvertex3f);
9969         rsurface.array_size = (newvertices + 1023) & ~1023;
9970         base = (float *)Mem_Alloc(r_main_mempool, rsurface.array_size * sizeof(float[33]));
9971         rsurface.array_modelvertex3f     = base + rsurface.array_size * 0;
9972         rsurface.array_modelsvector3f    = base + rsurface.array_size * 3;
9973         rsurface.array_modeltvector3f    = base + rsurface.array_size * 6;
9974         rsurface.array_modelnormal3f     = base + rsurface.array_size * 9;
9975         rsurface.array_deformedvertex3f  = base + rsurface.array_size * 12;
9976         rsurface.array_deformedsvector3f = base + rsurface.array_size * 15;
9977         rsurface.array_deformedtvector3f = base + rsurface.array_size * 18;
9978         rsurface.array_deformednormal3f  = base + rsurface.array_size * 21;
9979         rsurface.array_texcoord3f        = base + rsurface.array_size * 24;
9980         rsurface.array_color4f           = base + rsurface.array_size * 27;
9981         rsurface.array_generatedtexcoordtexture2f = base + rsurface.array_size * 31;
9982 }
9983
9984 void RSurf_ActiveWorldEntity(void)
9985 {
9986         dp_model_t *model = r_refdef.scene.worldmodel;
9987         //if (rsurface.entity == r_refdef.scene.worldentity)
9988         //      return;
9989         rsurface.entity = r_refdef.scene.worldentity;
9990         rsurface.skeleton = NULL;
9991         memset(rsurface.userwavefunc_param, 0, sizeof(rsurface.userwavefunc_param));
9992         rsurface.ent_skinnum = 0;
9993         rsurface.ent_qwskin = -1;
9994         rsurface.ent_shadertime = 0;
9995         rsurface.ent_flags = r_refdef.scene.worldentity->flags;
9996         if (rsurface.array_size < model->surfmesh.num_vertices)
9997                 R_Mesh_ResizeArrays(model->surfmesh.num_vertices);
9998         rsurface.matrix = identitymatrix;
9999         rsurface.inversematrix = identitymatrix;
10000         rsurface.matrixscale = 1;
10001         rsurface.inversematrixscale = 1;
10002         R_EntityMatrix(&identitymatrix);
10003         VectorCopy(r_refdef.view.origin, rsurface.localvieworigin);
10004         Vector4Copy(r_refdef.fogplane, rsurface.fogplane);
10005         rsurface.fograngerecip = r_refdef.fograngerecip;
10006         rsurface.fogheightfade = r_refdef.fogheightfade;
10007         rsurface.fogplaneviewdist = r_refdef.fogplaneviewdist;
10008         rsurface.fogmasktabledistmultiplier = FOGMASKTABLEWIDTH * rsurface.fograngerecip;
10009         VectorSet(rsurface.modellight_ambient, 0, 0, 0);
10010         VectorSet(rsurface.modellight_diffuse, 0, 0, 0);
10011         VectorSet(rsurface.modellight_lightdir, 0, 0, 1);
10012         VectorSet(rsurface.colormap_pantscolor, 0, 0, 0);
10013         VectorSet(rsurface.colormap_shirtcolor, 0, 0, 0);
10014         VectorSet(rsurface.colormod, r_refdef.view.colorscale, r_refdef.view.colorscale, r_refdef.view.colorscale);
10015         rsurface.colormod[3] = 1;
10016         VectorSet(rsurface.glowmod, r_refdef.view.colorscale * r_hdr_glowintensity.value, r_refdef.view.colorscale * r_hdr_glowintensity.value, r_refdef.view.colorscale * r_hdr_glowintensity.value);
10017         memset(rsurface.frameblend, 0, sizeof(rsurface.frameblend));
10018         rsurface.frameblend[0].lerp = 1;
10019         rsurface.ent_alttextures = false;
10020         rsurface.basepolygonfactor = r_refdef.polygonfactor;
10021         rsurface.basepolygonoffset = r_refdef.polygonoffset;
10022         rsurface.modelvertex3f  = model->surfmesh.data_vertex3f;
10023         rsurface.modelvertex3f_bufferobject = model->surfmesh.vbo;
10024         rsurface.modelvertex3f_bufferoffset = model->surfmesh.vbooffset_vertex3f;
10025         rsurface.modelsvector3f = model->surfmesh.data_svector3f;
10026         rsurface.modelsvector3f_bufferobject = model->surfmesh.vbo;
10027         rsurface.modelsvector3f_bufferoffset = model->surfmesh.vbooffset_svector3f;
10028         rsurface.modeltvector3f = model->surfmesh.data_tvector3f;
10029         rsurface.modeltvector3f_bufferobject = model->surfmesh.vbo;
10030         rsurface.modeltvector3f_bufferoffset = model->surfmesh.vbooffset_tvector3f;
10031         rsurface.modelnormal3f  = model->surfmesh.data_normal3f;
10032         rsurface.modelnormal3f_bufferobject = model->surfmesh.vbo;
10033         rsurface.modelnormal3f_bufferoffset = model->surfmesh.vbooffset_normal3f;
10034         rsurface.modellightmapcolor4f  = model->surfmesh.data_lightmapcolor4f;
10035         rsurface.modellightmapcolor4f_bufferobject = model->surfmesh.vbo;
10036         rsurface.modellightmapcolor4f_bufferoffset = model->surfmesh.vbooffset_lightmapcolor4f;
10037         rsurface.modeltexcoordtexture2f  = model->surfmesh.data_texcoordtexture2f;
10038         rsurface.modeltexcoordtexture2f_bufferobject = model->surfmesh.vbo;
10039         rsurface.modeltexcoordtexture2f_bufferoffset = model->surfmesh.vbooffset_texcoordtexture2f;
10040         rsurface.modeltexcoordlightmap2f  = model->surfmesh.data_texcoordlightmap2f;
10041         rsurface.modeltexcoordlightmap2f_bufferobject = model->surfmesh.vbo;
10042         rsurface.modeltexcoordlightmap2f_bufferoffset = model->surfmesh.vbooffset_texcoordlightmap2f;
10043         rsurface.modelelement3i = model->surfmesh.data_element3i;
10044         rsurface.modelelement3s = model->surfmesh.data_element3s;
10045         rsurface.modelelement3i_bufferobject = model->surfmesh.ebo3i;
10046         rsurface.modelelement3s_bufferobject = model->surfmesh.ebo3s;
10047         rsurface.modellightmapoffsets = model->surfmesh.data_lightmapoffsets;
10048         rsurface.modelnum_vertices = model->surfmesh.num_vertices;
10049         rsurface.modelnum_triangles = model->surfmesh.num_triangles;
10050         rsurface.modelsurfaces = model->data_surfaces;
10051         rsurface.generatedvertex = false;
10052         rsurface.vertex3f  = rsurface.modelvertex3f;
10053         rsurface.vertex3f_bufferobject = rsurface.modelvertex3f_bufferobject;
10054         rsurface.vertex3f_bufferoffset = rsurface.modelvertex3f_bufferoffset;
10055         rsurface.svector3f = rsurface.modelsvector3f;
10056         rsurface.svector3f_bufferobject = rsurface.modelsvector3f_bufferobject;
10057         rsurface.svector3f_bufferoffset = rsurface.modelsvector3f_bufferoffset;
10058         rsurface.tvector3f = rsurface.modeltvector3f;
10059         rsurface.tvector3f_bufferobject = rsurface.modeltvector3f_bufferobject;
10060         rsurface.tvector3f_bufferoffset = rsurface.modeltvector3f_bufferoffset;
10061         rsurface.normal3f  = rsurface.modelnormal3f;
10062         rsurface.normal3f_bufferobject = rsurface.modelnormal3f_bufferobject;
10063         rsurface.normal3f_bufferoffset = rsurface.modelnormal3f_bufferoffset;
10064         rsurface.texcoordtexture2f = rsurface.modeltexcoordtexture2f;
10065 }
10066
10067 void RSurf_ActiveModelEntity(const entity_render_t *ent, qboolean wantnormals, qboolean wanttangents, qboolean prepass)
10068 {
10069         dp_model_t *model = ent->model;
10070         //if (rsurface.entity == ent && (!model->surfmesh.isanimated || (!wantnormals && !wanttangents)))
10071         //      return;
10072         rsurface.entity = (entity_render_t *)ent;
10073         rsurface.skeleton = ent->skeleton;
10074         memcpy(rsurface.userwavefunc_param, ent->userwavefunc_param, sizeof(rsurface.userwavefunc_param));
10075         rsurface.ent_skinnum = ent->skinnum;
10076         rsurface.ent_qwskin = (ent->entitynumber <= cl.maxclients && ent->entitynumber >= 1 && cls.protocol == PROTOCOL_QUAKEWORLD && cl.scores[ent->entitynumber - 1].qw_skin[0] && !strcmp(ent->model->name, "progs/player.mdl")) ? (ent->entitynumber - 1) : -1;
10077         rsurface.ent_shadertime = ent->shadertime;
10078         rsurface.ent_flags = ent->flags;
10079         if (rsurface.array_size < model->surfmesh.num_vertices)
10080                 R_Mesh_ResizeArrays(model->surfmesh.num_vertices);
10081         rsurface.matrix = ent->matrix;
10082         rsurface.inversematrix = ent->inversematrix;
10083         rsurface.matrixscale = Matrix4x4_ScaleFromMatrix(&rsurface.matrix);
10084         rsurface.inversematrixscale = 1.0f / rsurface.matrixscale;
10085         R_EntityMatrix(&rsurface.matrix);
10086         Matrix4x4_Transform(&rsurface.inversematrix, r_refdef.view.origin, rsurface.localvieworigin);
10087         Matrix4x4_TransformStandardPlane(&rsurface.inversematrix, r_refdef.fogplane[0], r_refdef.fogplane[1], r_refdef.fogplane[2], r_refdef.fogplane[3], rsurface.fogplane);
10088         rsurface.fogplaneviewdist *= rsurface.inversematrixscale;
10089         rsurface.fograngerecip = r_refdef.fograngerecip * rsurface.matrixscale;
10090         rsurface.fogheightfade = r_refdef.fogheightfade * rsurface.matrixscale;
10091         rsurface.fogmasktabledistmultiplier = FOGMASKTABLEWIDTH * rsurface.fograngerecip;
10092         VectorCopy(ent->modellight_ambient, rsurface.modellight_ambient);
10093         VectorCopy(ent->modellight_diffuse, rsurface.modellight_diffuse);
10094         VectorCopy(ent->modellight_lightdir, rsurface.modellight_lightdir);
10095         VectorCopy(ent->colormap_pantscolor, rsurface.colormap_pantscolor);
10096         VectorCopy(ent->colormap_shirtcolor, rsurface.colormap_shirtcolor);
10097         VectorScale(ent->colormod, r_refdef.view.colorscale, rsurface.colormod);
10098         rsurface.colormod[3] = ent->alpha;
10099         VectorScale(ent->glowmod, r_refdef.view.colorscale * r_hdr_glowintensity.value, rsurface.glowmod);
10100         memcpy(rsurface.frameblend, ent->frameblend, sizeof(ent->frameblend));
10101         rsurface.ent_alttextures = ent->framegroupblend[0].frame != 0;
10102         rsurface.basepolygonfactor = r_refdef.polygonfactor;
10103         rsurface.basepolygonoffset = r_refdef.polygonoffset;
10104         if (ent->model->brush.submodel && !prepass)
10105         {
10106                 rsurface.basepolygonfactor += r_polygonoffset_submodel_factor.value;
10107                 rsurface.basepolygonoffset += r_polygonoffset_submodel_offset.value;
10108         }
10109         if (model->surfmesh.isanimated && model->AnimateVertices && (rsurface.frameblend[0].lerp != 1 || rsurface.frameblend[0].subframe != 0))
10110         {
10111                 if (ent->animcache_vertex3f && !r_framedata_failed)
10112                 {
10113                         rsurface.modelvertex3f = ent->animcache_vertex3f;
10114                         rsurface.modelsvector3f = wanttangents ? ent->animcache_svector3f : NULL;
10115                         rsurface.modeltvector3f = wanttangents ? ent->animcache_tvector3f : NULL;
10116                         rsurface.modelnormal3f = wantnormals ? ent->animcache_normal3f : NULL;
10117                 }
10118                 else if (wanttangents)
10119                 {
10120                         rsurface.modelvertex3f = rsurface.array_modelvertex3f;
10121                         rsurface.modelsvector3f = rsurface.array_modelsvector3f;
10122                         rsurface.modeltvector3f = rsurface.array_modeltvector3f;
10123                         rsurface.modelnormal3f = rsurface.array_modelnormal3f;
10124                         model->AnimateVertices(model, rsurface.frameblend, rsurface.skeleton, rsurface.array_modelvertex3f, rsurface.array_modelnormal3f, rsurface.array_modelsvector3f, rsurface.array_modeltvector3f);
10125                 }
10126                 else if (wantnormals)
10127                 {
10128                         rsurface.modelvertex3f = rsurface.array_modelvertex3f;
10129                         rsurface.modelsvector3f = NULL;
10130                         rsurface.modeltvector3f = NULL;
10131                         rsurface.modelnormal3f = rsurface.array_modelnormal3f;
10132                         model->AnimateVertices(model, rsurface.frameblend, rsurface.skeleton, rsurface.array_modelvertex3f, rsurface.array_modelnormal3f, NULL, NULL);
10133                 }
10134                 else
10135                 {
10136                         rsurface.modelvertex3f = rsurface.array_modelvertex3f;
10137                         rsurface.modelsvector3f = NULL;
10138                         rsurface.modeltvector3f = NULL;
10139                         rsurface.modelnormal3f = NULL;
10140                         model->AnimateVertices(model, rsurface.frameblend, rsurface.skeleton, rsurface.array_modelvertex3f, NULL, NULL, NULL);
10141                 }
10142                 rsurface.modelvertex3f_bufferobject = 0;
10143                 rsurface.modelvertex3f_bufferoffset = 0;
10144                 rsurface.modelsvector3f_bufferobject = 0;
10145                 rsurface.modelsvector3f_bufferoffset = 0;
10146                 rsurface.modeltvector3f_bufferobject = 0;
10147                 rsurface.modeltvector3f_bufferoffset = 0;
10148                 rsurface.modelnormal3f_bufferobject = 0;
10149                 rsurface.modelnormal3f_bufferoffset = 0;
10150                 rsurface.generatedvertex = true;
10151         }
10152         else
10153         {
10154                 rsurface.modelvertex3f  = model->surfmesh.data_vertex3f;
10155                 rsurface.modelvertex3f_bufferobject = model->surfmesh.vbo;
10156                 rsurface.modelvertex3f_bufferoffset = model->surfmesh.vbooffset_vertex3f;
10157                 rsurface.modelsvector3f = model->surfmesh.data_svector3f;
10158                 rsurface.modelsvector3f_bufferobject = model->surfmesh.vbo;
10159                 rsurface.modelsvector3f_bufferoffset = model->surfmesh.vbooffset_svector3f;
10160                 rsurface.modeltvector3f = model->surfmesh.data_tvector3f;
10161                 rsurface.modeltvector3f_bufferobject = model->surfmesh.vbo;
10162                 rsurface.modeltvector3f_bufferoffset = model->surfmesh.vbooffset_tvector3f;
10163                 rsurface.modelnormal3f  = model->surfmesh.data_normal3f;
10164                 rsurface.modelnormal3f_bufferobject = model->surfmesh.vbo;
10165                 rsurface.modelnormal3f_bufferoffset = model->surfmesh.vbooffset_normal3f;
10166                 rsurface.generatedvertex = false;
10167         }
10168         rsurface.modellightmapcolor4f  = model->surfmesh.data_lightmapcolor4f;
10169         rsurface.modellightmapcolor4f_bufferobject = model->surfmesh.vbo;
10170         rsurface.modellightmapcolor4f_bufferoffset = model->surfmesh.vbooffset_lightmapcolor4f;
10171         rsurface.modeltexcoordtexture2f  = model->surfmesh.data_texcoordtexture2f;
10172         rsurface.modeltexcoordtexture2f_bufferobject = model->surfmesh.vbo;
10173         rsurface.modeltexcoordtexture2f_bufferoffset = model->surfmesh.vbooffset_texcoordtexture2f;
10174         rsurface.modeltexcoordlightmap2f  = model->surfmesh.data_texcoordlightmap2f;
10175         rsurface.modeltexcoordlightmap2f_bufferobject = model->surfmesh.vbo;
10176         rsurface.modeltexcoordlightmap2f_bufferoffset = model->surfmesh.vbooffset_texcoordlightmap2f;
10177         rsurface.modelelement3i = model->surfmesh.data_element3i;
10178         rsurface.modelelement3s = model->surfmesh.data_element3s;
10179         rsurface.modelelement3i_bufferobject = model->surfmesh.ebo3i;
10180         rsurface.modelelement3s_bufferobject = model->surfmesh.ebo3s;
10181         rsurface.modellightmapoffsets = model->surfmesh.data_lightmapoffsets;
10182         rsurface.modelnum_vertices = model->surfmesh.num_vertices;
10183         rsurface.modelnum_triangles = model->surfmesh.num_triangles;
10184         rsurface.modelsurfaces = model->data_surfaces;
10185         rsurface.vertex3f  = rsurface.modelvertex3f;
10186         rsurface.vertex3f_bufferobject = rsurface.modelvertex3f_bufferobject;
10187         rsurface.vertex3f_bufferoffset = rsurface.modelvertex3f_bufferoffset;
10188         rsurface.svector3f = rsurface.modelsvector3f;
10189         rsurface.svector3f_bufferobject = rsurface.modelsvector3f_bufferobject;
10190         rsurface.svector3f_bufferoffset = rsurface.modelsvector3f_bufferoffset;
10191         rsurface.tvector3f = rsurface.modeltvector3f;
10192         rsurface.tvector3f_bufferobject = rsurface.modeltvector3f_bufferobject;
10193         rsurface.tvector3f_bufferoffset = rsurface.modeltvector3f_bufferoffset;
10194         rsurface.normal3f  = rsurface.modelnormal3f;
10195         rsurface.normal3f_bufferobject = rsurface.modelnormal3f_bufferobject;
10196         rsurface.normal3f_bufferoffset = rsurface.modelnormal3f_bufferoffset;
10197         rsurface.texcoordtexture2f = rsurface.modeltexcoordtexture2f;
10198 }
10199
10200 void RSurf_ActiveCustomEntity(const matrix4x4_t *matrix, const matrix4x4_t *inversematrix, int entflags, double shadertime, float r, float g, float b, float a, int numvertices, const float *vertex3f, const float *texcoord2f, const float *normal3f, const float *svector3f, const float *tvector3f, const float *color4f, int numtriangles, const int *element3i, const unsigned short *element3s, qboolean wantnormals, qboolean wanttangents)
10201 {
10202         rsurface.entity = r_refdef.scene.worldentity;
10203         rsurface.skeleton = NULL;
10204         rsurface.ent_skinnum = 0;
10205         rsurface.ent_qwskin = -1;
10206         rsurface.ent_shadertime = shadertime;
10207         rsurface.ent_flags = entflags;
10208         rsurface.modelnum_vertices = numvertices;
10209         rsurface.modelnum_triangles = numtriangles;
10210         if (rsurface.array_size < rsurface.modelnum_vertices)
10211                 R_Mesh_ResizeArrays(rsurface.modelnum_vertices);
10212         rsurface.matrix = *matrix;
10213         rsurface.inversematrix = *inversematrix;
10214         rsurface.matrixscale = Matrix4x4_ScaleFromMatrix(&rsurface.matrix);
10215         rsurface.inversematrixscale = 1.0f / rsurface.matrixscale;
10216         R_EntityMatrix(&rsurface.matrix);
10217         Matrix4x4_Transform(&rsurface.inversematrix, r_refdef.view.origin, rsurface.localvieworigin);
10218         Matrix4x4_TransformStandardPlane(&rsurface.inversematrix, r_refdef.fogplane[0], r_refdef.fogplane[1], r_refdef.fogplane[2], r_refdef.fogplane[3], rsurface.fogplane);
10219         rsurface.fogplaneviewdist *= rsurface.inversematrixscale;
10220         rsurface.fograngerecip = r_refdef.fograngerecip * rsurface.matrixscale;
10221         rsurface.fogheightfade = r_refdef.fogheightfade * rsurface.matrixscale;
10222         rsurface.fogmasktabledistmultiplier = FOGMASKTABLEWIDTH * rsurface.fograngerecip;
10223         VectorSet(rsurface.modellight_ambient, 0, 0, 0);
10224         VectorSet(rsurface.modellight_diffuse, 0, 0, 0);
10225         VectorSet(rsurface.modellight_lightdir, 0, 0, 1);
10226         VectorSet(rsurface.colormap_pantscolor, 0, 0, 0);
10227         VectorSet(rsurface.colormap_shirtcolor, 0, 0, 0);
10228         Vector4Set(rsurface.colormod, r * r_refdef.view.colorscale, g * r_refdef.view.colorscale, b * r_refdef.view.colorscale, a);
10229         VectorSet(rsurface.glowmod, r_refdef.view.colorscale * r_hdr_glowintensity.value, r_refdef.view.colorscale * r_hdr_glowintensity.value, r_refdef.view.colorscale * r_hdr_glowintensity.value);
10230         memset(rsurface.frameblend, 0, sizeof(rsurface.frameblend));
10231         rsurface.frameblend[0].lerp = 1;
10232         rsurface.ent_alttextures = false;
10233         rsurface.basepolygonfactor = r_refdef.polygonfactor;
10234         rsurface.basepolygonoffset = r_refdef.polygonoffset;
10235         if (wanttangents)
10236         {
10237                 rsurface.modelvertex3f = vertex3f;
10238                 rsurface.modelsvector3f = svector3f ? svector3f : rsurface.array_modelsvector3f;
10239                 rsurface.modeltvector3f = tvector3f ? tvector3f : rsurface.array_modeltvector3f;
10240                 rsurface.modelnormal3f = normal3f ? normal3f : rsurface.array_modelnormal3f;
10241         }
10242         else if (wantnormals)
10243         {
10244                 rsurface.modelvertex3f = vertex3f;
10245                 rsurface.modelsvector3f = NULL;
10246                 rsurface.modeltvector3f = NULL;
10247                 rsurface.modelnormal3f = normal3f ? normal3f : rsurface.array_modelnormal3f;
10248         }
10249         else
10250         {
10251                 rsurface.modelvertex3f = vertex3f;
10252                 rsurface.modelsvector3f = NULL;
10253                 rsurface.modeltvector3f = NULL;
10254                 rsurface.modelnormal3f = NULL;
10255         }
10256         rsurface.modelvertex3f_bufferobject = 0;
10257         rsurface.modelvertex3f_bufferoffset = 0;
10258         rsurface.modelsvector3f_bufferobject = 0;
10259         rsurface.modelsvector3f_bufferoffset = 0;
10260         rsurface.modeltvector3f_bufferobject = 0;
10261         rsurface.modeltvector3f_bufferoffset = 0;
10262         rsurface.modelnormal3f_bufferobject = 0;
10263         rsurface.modelnormal3f_bufferoffset = 0;
10264         rsurface.generatedvertex = true;
10265         rsurface.modellightmapcolor4f  = color4f;
10266         rsurface.modellightmapcolor4f_bufferobject = 0;
10267         rsurface.modellightmapcolor4f_bufferoffset = 0;
10268         rsurface.modeltexcoordtexture2f  = texcoord2f;
10269         rsurface.modeltexcoordtexture2f_bufferobject = 0;
10270         rsurface.modeltexcoordtexture2f_bufferoffset = 0;
10271         rsurface.modeltexcoordlightmap2f  = NULL;
10272         rsurface.modeltexcoordlightmap2f_bufferobject = 0;
10273         rsurface.modeltexcoordlightmap2f_bufferoffset = 0;
10274         rsurface.modelelement3i = element3i;
10275         rsurface.modelelement3s = element3s;
10276         rsurface.modelelement3i_bufferobject = 0;
10277         rsurface.modelelement3s_bufferobject = 0;
10278         rsurface.modellightmapoffsets = NULL;
10279         rsurface.modelsurfaces = NULL;
10280         rsurface.vertex3f  = rsurface.modelvertex3f;
10281         rsurface.vertex3f_bufferobject = rsurface.modelvertex3f_bufferobject;
10282         rsurface.vertex3f_bufferoffset = rsurface.modelvertex3f_bufferoffset;
10283         rsurface.svector3f = rsurface.modelsvector3f;
10284         rsurface.svector3f_bufferobject = rsurface.modelsvector3f_bufferobject;
10285         rsurface.svector3f_bufferoffset = rsurface.modelsvector3f_bufferoffset;
10286         rsurface.tvector3f = rsurface.modeltvector3f;
10287         rsurface.tvector3f_bufferobject = rsurface.modeltvector3f_bufferobject;
10288         rsurface.tvector3f_bufferoffset = rsurface.modeltvector3f_bufferoffset;
10289         rsurface.normal3f  = rsurface.modelnormal3f;
10290         rsurface.normal3f_bufferobject = rsurface.modelnormal3f_bufferobject;
10291         rsurface.normal3f_bufferoffset = rsurface.modelnormal3f_bufferoffset;
10292         rsurface.texcoordtexture2f = rsurface.modeltexcoordtexture2f;
10293
10294         if (rsurface.modelnum_vertices && rsurface.modelelement3i)
10295         {
10296                 if ((wantnormals || wanttangents) && !normal3f)
10297                         Mod_BuildNormals(0, rsurface.modelnum_vertices, rsurface.modelnum_triangles, rsurface.modelvertex3f, rsurface.modelelement3i, rsurface.array_modelnormal3f, r_smoothnormals_areaweighting.integer != 0);
10298                 if (wanttangents && !svector3f)
10299                         Mod_BuildTextureVectorsFromNormals(0, rsurface.modelnum_vertices, rsurface.modelnum_triangles, rsurface.modelvertex3f, rsurface.modeltexcoordtexture2f, rsurface.modelnormal3f, rsurface.modelelement3i, rsurface.array_modelsvector3f, rsurface.array_modeltvector3f, r_smoothnormals_areaweighting.integer != 0);
10300         }
10301 }
10302
10303 float RSurf_FogPoint(const float *v)
10304 {
10305         // this code is identical to the USEFOGINSIDE/USEFOGOUTSIDE code in the shader
10306         float FogPlaneViewDist = r_refdef.fogplaneviewdist;
10307         float FogPlaneVertexDist = DotProduct(r_refdef.fogplane, v) + r_refdef.fogplane[3];
10308         float FogHeightFade = r_refdef.fogheightfade;
10309         float fogfrac;
10310         unsigned int fogmasktableindex;
10311         if (r_refdef.fogplaneviewabove)
10312                 fogfrac = min(0.0f, FogPlaneVertexDist) / (FogPlaneVertexDist - FogPlaneViewDist) * min(1.0f, min(0.0f, FogPlaneVertexDist) * FogHeightFade);
10313         else
10314                 fogfrac = FogPlaneViewDist / (FogPlaneViewDist - max(0.0f, FogPlaneVertexDist)) * min(1.0f, (min(0.0f, FogPlaneVertexDist) + FogPlaneViewDist) * FogHeightFade);
10315         fogmasktableindex = (unsigned int)(VectorDistance(r_refdef.view.origin, v) * fogfrac * r_refdef.fogmasktabledistmultiplier);
10316         return r_refdef.fogmasktable[min(fogmasktableindex, FOGMASKTABLEWIDTH - 1)];
10317 }
10318
10319 float RSurf_FogVertex(const float *v)
10320 {
10321         // this code is identical to the USEFOGINSIDE/USEFOGOUTSIDE code in the shader
10322         float FogPlaneViewDist = rsurface.fogplaneviewdist;
10323         float FogPlaneVertexDist = DotProduct(rsurface.fogplane, v) + rsurface.fogplane[3];
10324         float FogHeightFade = rsurface.fogheightfade;
10325         float fogfrac;
10326         unsigned int fogmasktableindex;
10327         if (r_refdef.fogplaneviewabove)
10328                 fogfrac = min(0.0f, FogPlaneVertexDist) / (FogPlaneVertexDist - FogPlaneViewDist) * min(1.0f, min(0.0f, FogPlaneVertexDist) * FogHeightFade);
10329         else
10330                 fogfrac = FogPlaneViewDist / (FogPlaneViewDist - max(0.0f, FogPlaneVertexDist)) * min(1.0f, (min(0.0f, FogPlaneVertexDist) + FogPlaneViewDist) * FogHeightFade);
10331         fogmasktableindex = (unsigned int)(VectorDistance(rsurface.localvieworigin, v) * fogfrac * rsurface.fogmasktabledistmultiplier);
10332         return r_refdef.fogmasktable[min(fogmasktableindex, FOGMASKTABLEWIDTH - 1)];
10333 }
10334
10335 static const int quadedges[6][2] = {{0, 1}, {0, 2}, {0, 3}, {1, 2}, {1, 3}, {2, 3}};
10336 void RSurf_PrepareVerticesForBatch(qboolean generatenormals, qboolean generatetangents, int texturenumsurfaces, const msurface_t **texturesurfacelist)
10337 {
10338         int deformindex;
10339         int texturesurfaceindex;
10340         int i, j;
10341         float amplitude;
10342         float animpos;
10343         float scale;
10344         const float *v1, *in_tc;
10345         float *out_tc;
10346         float center[3], forward[3], right[3], up[3], v[3], newforward[3], newright[3], newup[3];
10347         float waveparms[4];
10348         q3shaderinfo_deform_t *deform;
10349         // if vertices are dynamic (animated models), generate them into the temporary rsurface.array_model* arrays and point rsurface.model* at them instead of the static data from the model itself
10350         if (rsurface.generatedvertex)
10351         {
10352                 if (rsurface.texture->tcgen.tcgen == Q3TCGEN_ENVIRONMENT)
10353                         generatenormals = true;
10354                 for (i = 0;i < Q3MAXDEFORMS;i++)
10355                 {
10356                         if (rsurface.texture->deforms[i].deform == Q3DEFORM_AUTOSPRITE)
10357                         {
10358                                 generatetangents = true;
10359                                 generatenormals = true;
10360                         }
10361                         if (rsurface.texture->deforms[i].deform != Q3DEFORM_NONE)
10362                                 generatenormals = true;
10363                 }
10364                 if (generatenormals && !rsurface.modelnormal3f)
10365                 {
10366                         rsurface.normal3f = rsurface.modelnormal3f = rsurface.array_modelnormal3f;
10367                         rsurface.normal3f_bufferobject = rsurface.modelnormal3f_bufferobject = 0;
10368                         rsurface.normal3f_bufferoffset = rsurface.modelnormal3f_bufferoffset = 0;
10369                         Mod_BuildNormals(0, rsurface.modelnum_vertices, rsurface.modelnum_triangles, rsurface.modelvertex3f, rsurface.modelelement3i, rsurface.array_modelnormal3f, r_smoothnormals_areaweighting.integer != 0);
10370                 }
10371                 if (generatetangents && !rsurface.modelsvector3f)
10372                 {
10373                         rsurface.svector3f = rsurface.modelsvector3f = rsurface.array_modelsvector3f;
10374                         rsurface.svector3f_bufferobject = rsurface.modelsvector3f_bufferobject = 0;
10375                         rsurface.svector3f_bufferoffset = rsurface.modelsvector3f_bufferoffset = 0;
10376                         rsurface.tvector3f = rsurface.modeltvector3f = rsurface.array_modeltvector3f;
10377                         rsurface.tvector3f_bufferobject = rsurface.modeltvector3f_bufferobject = 0;
10378                         rsurface.tvector3f_bufferoffset = rsurface.modeltvector3f_bufferoffset = 0;
10379                         Mod_BuildTextureVectorsFromNormals(0, rsurface.modelnum_vertices, rsurface.modelnum_triangles, rsurface.modelvertex3f, rsurface.modeltexcoordtexture2f, rsurface.modelnormal3f, rsurface.modelelement3i, rsurface.array_modelsvector3f, rsurface.array_modeltvector3f, r_smoothnormals_areaweighting.integer != 0);
10380                 }
10381         }
10382         rsurface.vertex3f  = rsurface.modelvertex3f;
10383         rsurface.vertex3f_bufferobject = rsurface.modelvertex3f_bufferobject;
10384         rsurface.vertex3f_bufferoffset = rsurface.modelvertex3f_bufferoffset;
10385         rsurface.svector3f = rsurface.modelsvector3f;
10386         rsurface.svector3f_bufferobject = rsurface.modelsvector3f_bufferobject;
10387         rsurface.svector3f_bufferoffset = rsurface.modelsvector3f_bufferoffset;
10388         rsurface.tvector3f = rsurface.modeltvector3f;
10389         rsurface.tvector3f_bufferobject = rsurface.modeltvector3f_bufferobject;
10390         rsurface.tvector3f_bufferoffset = rsurface.modeltvector3f_bufferoffset;
10391         rsurface.normal3f  = rsurface.modelnormal3f;
10392         rsurface.normal3f_bufferobject = rsurface.modelnormal3f_bufferobject;
10393         rsurface.normal3f_bufferoffset = rsurface.modelnormal3f_bufferoffset;
10394         // if vertices are deformed (sprite flares and things in maps, possibly
10395         // water waves, bulges and other deformations), generate them into
10396         // rsurface.deform* arrays from whatever the rsurface.* arrays point to
10397         // (may be static model data or generated data for an animated model, or
10398         //  the previous deform pass)
10399         for (deformindex = 0, deform = rsurface.texture->deforms;deformindex < Q3MAXDEFORMS && deform->deform;deformindex++, deform++)
10400         {
10401                 switch (deform->deform)
10402                 {
10403                 default:
10404                 case Q3DEFORM_PROJECTIONSHADOW:
10405                 case Q3DEFORM_TEXT0:
10406                 case Q3DEFORM_TEXT1:
10407                 case Q3DEFORM_TEXT2:
10408                 case Q3DEFORM_TEXT3:
10409                 case Q3DEFORM_TEXT4:
10410                 case Q3DEFORM_TEXT5:
10411                 case Q3DEFORM_TEXT6:
10412                 case Q3DEFORM_TEXT7:
10413                 case Q3DEFORM_NONE:
10414                         break;
10415                 case Q3DEFORM_AUTOSPRITE:
10416                         Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.forward, newforward);
10417                         Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.right, newright);
10418                         Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.up, newup);
10419                         VectorNormalize(newforward);
10420                         VectorNormalize(newright);
10421                         VectorNormalize(newup);
10422                         // make deformed versions of only the model vertices used by the specified surfaces
10423                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
10424                         {
10425                                 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
10426                                 // a single autosprite surface can contain multiple sprites...
10427                                 for (j = 0;j < surface->num_vertices - 3;j += 4)
10428                                 {
10429                                         VectorClear(center);
10430                                         for (i = 0;i < 4;i++)
10431                                                 VectorAdd(center, (rsurface.vertex3f + 3 * surface->num_firstvertex) + (j+i) * 3, center);
10432                                         VectorScale(center, 0.25f, center);
10433                                         VectorCopy((rsurface.normal3f  + 3 * surface->num_firstvertex) + j*3, forward);
10434                                         VectorCopy((rsurface.svector3f + 3 * surface->num_firstvertex) + j*3, right);
10435                                         VectorCopy((rsurface.tvector3f + 3 * surface->num_firstvertex) + j*3, up);
10436                                         for (i = 0;i < 4;i++)
10437                                         {
10438                                                 VectorSubtract((rsurface.vertex3f + 3 * surface->num_firstvertex) + (j+i)*3, center, v);
10439                                                 VectorMAMAMAM(1, center, DotProduct(forward, v), newforward, DotProduct(right, v), newright, DotProduct(up, v), newup, rsurface.array_deformedvertex3f + (surface->num_firstvertex+i+j) * 3);
10440                                         }
10441                                 }
10442                                 Mod_BuildNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, rsurface.vertex3f, rsurface.modelelement3i + surface->num_firsttriangle * 3, rsurface.array_deformednormal3f, r_smoothnormals_areaweighting.integer != 0);
10443                                 Mod_BuildTextureVectorsFromNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, rsurface.vertex3f, rsurface.modeltexcoordtexture2f, rsurface.array_deformednormal3f, rsurface.modelelement3i + surface->num_firsttriangle * 3, rsurface.array_deformedsvector3f, rsurface.array_deformedtvector3f, r_smoothnormals_areaweighting.integer != 0);
10444                         }
10445                         rsurface.vertex3f = rsurface.array_deformedvertex3f;
10446                         rsurface.vertex3f_bufferobject = 0;
10447                         rsurface.vertex3f_bufferoffset = 0;
10448                         rsurface.svector3f = rsurface.array_deformedsvector3f;
10449                         rsurface.svector3f_bufferobject = 0;
10450                         rsurface.svector3f_bufferoffset = 0;
10451                         rsurface.tvector3f = rsurface.array_deformedtvector3f;
10452                         rsurface.tvector3f_bufferobject = 0;
10453                         rsurface.tvector3f_bufferoffset = 0;
10454                         rsurface.normal3f = rsurface.array_deformednormal3f;
10455                         rsurface.normal3f_bufferobject = 0;
10456                         rsurface.normal3f_bufferoffset = 0;
10457                         break;
10458                 case Q3DEFORM_AUTOSPRITE2:
10459                         Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.forward, newforward);
10460                         Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.right, newright);
10461                         Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.up, newup);
10462                         VectorNormalize(newforward);
10463                         VectorNormalize(newright);
10464                         VectorNormalize(newup);
10465                         // make deformed versions of only the model vertices used by the specified surfaces
10466                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
10467                         {
10468                                 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
10469                                 const float *v1, *v2;
10470                                 vec3_t start, end;
10471                                 float f, l;
10472                                 struct
10473                                 {
10474                                         float length2;
10475                                         const float *v1;
10476                                         const float *v2;
10477                                 }
10478                                 shortest[2];
10479                                 memset(shortest, 0, sizeof(shortest));
10480                                 // a single autosprite surface can contain multiple sprites...
10481                                 for (j = 0;j < surface->num_vertices - 3;j += 4)
10482                                 {
10483                                         VectorClear(center);
10484                                         for (i = 0;i < 4;i++)
10485                                                 VectorAdd(center, (rsurface.vertex3f + 3 * surface->num_firstvertex) + (j+i) * 3, center);
10486                                         VectorScale(center, 0.25f, center);
10487                                         // find the two shortest edges, then use them to define the
10488                                         // axis vectors for rotating around the central axis
10489                                         for (i = 0;i < 6;i++)
10490                                         {
10491                                                 v1 = rsurface.vertex3f + 3 * (surface->num_firstvertex + quadedges[i][0]);
10492                                                 v2 = rsurface.vertex3f + 3 * (surface->num_firstvertex + quadedges[i][1]);
10493 #if 0
10494                                                 Debug_PolygonBegin(NULL, 0);
10495                                                 Debug_PolygonVertex(v1[0], v1[1], v1[2], 0, 0, 1, 0, 0, 1);
10496                                                 Debug_PolygonVertex((v1[0] + v2[0]) * 0.5f + rsurface.normal3f[3 * (surface->num_firstvertex + j)+0] * 4, (v1[1] + v2[1]) * 0.5f + rsurface.normal3f[3 * (surface->num_firstvertex + j)+1], (v1[2] + v2[2]) * 0.5f + rsurface.normal3f[3 * (surface->num_firstvertex + j)+2], 0, 0, 1, 1, 0, 1);
10497                                                 Debug_PolygonVertex(v2[0], v2[1], v2[2], 0, 0, 1, 0, 0, 1);
10498                                                 Debug_PolygonEnd();
10499 #endif
10500                                                 l = VectorDistance2(v1, v2);
10501                                                 // this length bias tries to make sense of square polygons, assuming they are meant to be upright
10502                                                 if (v1[2] != v2[2])
10503                                                         l += (1.0f / 1024.0f);
10504                                                 if (shortest[0].length2 > l || i == 0)
10505                                                 {
10506                                                         shortest[1] = shortest[0];
10507                                                         shortest[0].length2 = l;
10508                                                         shortest[0].v1 = v1;
10509                                                         shortest[0].v2 = v2;
10510                                                 }
10511                                                 else if (shortest[1].length2 > l || i == 1)
10512                                                 {
10513                                                         shortest[1].length2 = l;
10514                                                         shortest[1].v1 = v1;
10515                                                         shortest[1].v2 = v2;
10516                                                 }
10517                                         }
10518                                         VectorLerp(shortest[0].v1, 0.5f, shortest[0].v2, start);
10519                                         VectorLerp(shortest[1].v1, 0.5f, shortest[1].v2, end);
10520 #if 0
10521                                         Debug_PolygonBegin(NULL, 0);
10522                                         Debug_PolygonVertex(start[0], start[1], start[2], 0, 0, 1, 1, 0, 1);
10523                                         Debug_PolygonVertex(center[0] + rsurface.normal3f[3 * (surface->num_firstvertex + j)+0] * 4, center[1] + rsurface.normal3f[3 * (surface->num_firstvertex + j)+1] * 4, center[2] + rsurface.normal3f[3 * (surface->num_firstvertex + j)+2] * 4, 0, 0, 0, 1, 0, 1);
10524                                         Debug_PolygonVertex(end[0], end[1], end[2], 0, 0, 0, 1, 1, 1);
10525                                         Debug_PolygonEnd();
10526 #endif
10527                                         // this calculates the right vector from the shortest edge
10528                                         // and the up vector from the edge midpoints
10529                                         VectorSubtract(shortest[0].v1, shortest[0].v2, right);
10530                                         VectorNormalize(right);
10531                                         VectorSubtract(end, start, up);
10532                                         VectorNormalize(up);
10533                                         // calculate a forward vector to use instead of the original plane normal (this is how we get a new right vector)
10534                                         VectorSubtract(rsurface.localvieworigin, center, forward);
10535                                         //Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.forward, forward);
10536                                         VectorNegate(forward, forward);
10537                                         VectorReflect(forward, 0, up, forward);
10538                                         VectorNormalize(forward);
10539                                         CrossProduct(up, forward, newright);
10540                                         VectorNormalize(newright);
10541 #if 0
10542                                         Debug_PolygonBegin(NULL, 0);
10543                                         Debug_PolygonVertex(center[0] + rsurface.normal3f[3 * (surface->num_firstvertex + j)+0] * 8, center[1] + rsurface.normal3f[3 * (surface->num_firstvertex + j)+1] * 8, center[2] + rsurface.normal3f[3 * (surface->num_firstvertex + j)+2] * 8, 0, 0, 1, 0, 0, 1);
10544                                         Debug_PolygonVertex(center[0] + right[0] * 8, center[1] + right[1] * 8, center[2] + right[2] * 8, 0, 0, 0, 1, 0, 1);
10545                                         Debug_PolygonVertex(center[0] + up   [0] * 8, center[1] + up   [1] * 8, center[2] + up   [2] * 8, 0, 0, 0, 0, 1, 1);
10546                                         Debug_PolygonEnd();
10547 #endif
10548 #if 0
10549                                         Debug_PolygonBegin(NULL, 0);
10550                                         Debug_PolygonVertex(center[0] + forward [0] * 8, center[1] + forward [1] * 8, center[2] + forward [2] * 8, 0, 0, 1, 0, 0, 1);
10551                                         Debug_PolygonVertex(center[0] + newright[0] * 8, center[1] + newright[1] * 8, center[2] + newright[2] * 8, 0, 0, 0, 1, 0, 1);
10552                                         Debug_PolygonVertex(center[0] + up      [0] * 8, center[1] + up      [1] * 8, center[2] + up      [2] * 8, 0, 0, 0, 0, 1, 1);
10553                                         Debug_PolygonEnd();
10554 #endif
10555                                         // rotate the quad around the up axis vector, this is made
10556                                         // especially easy by the fact we know the quad is flat,
10557                                         // so we only have to subtract the center position and
10558                                         // measure distance along the right vector, and then
10559                                         // multiply that by the newright vector and add back the
10560                                         // center position
10561                                         // we also need to subtract the old position to undo the
10562                                         // displacement from the center, which we do with a
10563                                         // DotProduct, the subtraction/addition of center is also
10564                                         // optimized into DotProducts here
10565                                         l = DotProduct(right, center);
10566                                         for (i = 0;i < 4;i++)
10567                                         {
10568                                                 v1 = rsurface.vertex3f + 3 * (surface->num_firstvertex + j + i);
10569                                                 f = DotProduct(right, v1) - l;
10570                                                 VectorMAMAM(1, v1, -f, right, f, newright, rsurface.array_deformedvertex3f + (surface->num_firstvertex+i+j) * 3);
10571                                         }
10572                                 }
10573                                 Mod_BuildNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, rsurface.vertex3f, rsurface.modelelement3i + surface->num_firsttriangle * 3, rsurface.array_deformednormal3f, r_smoothnormals_areaweighting.integer != 0);
10574                                 Mod_BuildTextureVectorsFromNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, rsurface.vertex3f, rsurface.modeltexcoordtexture2f, rsurface.array_deformednormal3f, rsurface.modelelement3i + surface->num_firsttriangle * 3, rsurface.array_deformedsvector3f, rsurface.array_deformedtvector3f, r_smoothnormals_areaweighting.integer != 0);
10575                         }
10576                         rsurface.vertex3f = rsurface.array_deformedvertex3f;
10577                         rsurface.vertex3f_bufferobject = 0;
10578                         rsurface.vertex3f_bufferoffset = 0;
10579                         rsurface.svector3f = rsurface.array_deformedsvector3f;
10580                         rsurface.svector3f_bufferobject = 0;
10581                         rsurface.svector3f_bufferoffset = 0;
10582                         rsurface.tvector3f = rsurface.array_deformedtvector3f;
10583                         rsurface.tvector3f_bufferobject = 0;
10584                         rsurface.tvector3f_bufferoffset = 0;
10585                         rsurface.normal3f = rsurface.array_deformednormal3f;
10586                         rsurface.normal3f_bufferobject = 0;
10587                         rsurface.normal3f_bufferoffset = 0;
10588                         break;
10589                 case Q3DEFORM_NORMAL:
10590                         // deform the normals to make reflections wavey
10591                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
10592                         {
10593                                 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
10594                                 for (j = 0;j < surface->num_vertices;j++)
10595                                 {
10596                                         float vertex[3];
10597                                         float *normal = (rsurface.array_deformednormal3f  + 3 * surface->num_firstvertex) + j*3;
10598                                         VectorScale((rsurface.vertex3f  + 3 * surface->num_firstvertex) + j*3, 0.98f, vertex);
10599                                         VectorCopy((rsurface.normal3f  + 3 * surface->num_firstvertex) + j*3, normal);
10600                                         normal[0] += deform->parms[0] * noise4f(      vertex[0], vertex[1], vertex[2], r_refdef.scene.time * deform->parms[1]);
10601                                         normal[1] += deform->parms[0] * noise4f( 98 + vertex[0], vertex[1], vertex[2], r_refdef.scene.time * deform->parms[1]);
10602                                         normal[2] += deform->parms[0] * noise4f(196 + vertex[0], vertex[1], vertex[2], r_refdef.scene.time * deform->parms[1]);
10603                                         VectorNormalize(normal);
10604                                 }
10605                                 Mod_BuildTextureVectorsFromNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, rsurface.vertex3f, rsurface.modeltexcoordtexture2f, rsurface.array_deformednormal3f, rsurface.modelelement3i + surface->num_firsttriangle * 3, rsurface.array_deformedsvector3f, rsurface.array_deformedtvector3f, r_smoothnormals_areaweighting.integer != 0);
10606                         }
10607                         rsurface.svector3f = rsurface.array_deformedsvector3f;
10608                         rsurface.svector3f_bufferobject = 0;
10609                         rsurface.svector3f_bufferoffset = 0;
10610                         rsurface.tvector3f = rsurface.array_deformedtvector3f;
10611                         rsurface.tvector3f_bufferobject = 0;
10612                         rsurface.tvector3f_bufferoffset = 0;
10613                         rsurface.normal3f = rsurface.array_deformednormal3f;
10614                         rsurface.normal3f_bufferobject = 0;
10615                         rsurface.normal3f_bufferoffset = 0;
10616                         break;
10617                 case Q3DEFORM_WAVE:
10618                         // deform vertex array to make wavey water and flags and such
10619                         waveparms[0] = deform->waveparms[0];
10620                         waveparms[1] = deform->waveparms[1];
10621                         waveparms[2] = deform->waveparms[2];
10622                         waveparms[3] = deform->waveparms[3];
10623                         if(!R_TestQ3WaveFunc(deform->wavefunc, waveparms))
10624                                 break; // if wavefunc is a nop, don't make a dynamic vertex array
10625                         // this is how a divisor of vertex influence on deformation
10626                         animpos = deform->parms[0] ? 1.0f / deform->parms[0] : 100.0f;
10627                         scale = R_EvaluateQ3WaveFunc(deform->wavefunc, waveparms);
10628                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
10629                         {
10630                                 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
10631                                 for (j = 0;j < surface->num_vertices;j++)
10632                                 {
10633                                         float *vertex = (rsurface.array_deformedvertex3f  + 3 * surface->num_firstvertex) + j*3;
10634                                         VectorCopy((rsurface.vertex3f  + 3 * surface->num_firstvertex) + j*3, vertex);
10635                                         // if the wavefunc depends on time, evaluate it per-vertex
10636                                         if (waveparms[3])
10637                                         {
10638                                                 waveparms[2] = deform->waveparms[2] + (vertex[0] + vertex[1] + vertex[2]) * animpos;
10639                                                 scale = R_EvaluateQ3WaveFunc(deform->wavefunc, waveparms);
10640                                         }
10641                                         VectorMA(vertex, scale, (rsurface.normal3f  + 3 * surface->num_firstvertex) + j*3, vertex);
10642                                 }
10643                         }
10644                         rsurface.vertex3f = rsurface.array_deformedvertex3f;
10645                         rsurface.vertex3f_bufferobject = 0;
10646                         rsurface.vertex3f_bufferoffset = 0;
10647                         break;
10648                 case Q3DEFORM_BULGE:
10649                         // deform vertex array to make the surface have moving bulges
10650                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
10651                         {
10652                                 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
10653                                 for (j = 0;j < surface->num_vertices;j++)
10654                                 {
10655                                         scale = sin((rsurface.modeltexcoordtexture2f[2 * (surface->num_firstvertex + j)] * deform->parms[0] + r_refdef.scene.time * deform->parms[2])) * deform->parms[1];
10656                                         VectorMA(rsurface.vertex3f + 3 * (surface->num_firstvertex + j), scale, rsurface.normal3f + 3 * (surface->num_firstvertex + j), rsurface.array_deformedvertex3f + 3 * (surface->num_firstvertex + j));
10657                                 }
10658                         }
10659                         rsurface.vertex3f = rsurface.array_deformedvertex3f;
10660                         rsurface.vertex3f_bufferobject = 0;
10661                         rsurface.vertex3f_bufferoffset = 0;
10662                         break;
10663                 case Q3DEFORM_MOVE:
10664                         // deform vertex array
10665                         if(!R_TestQ3WaveFunc(deform->wavefunc, deform->waveparms))
10666                                 break; // if wavefunc is a nop, don't make a dynamic vertex array
10667                         scale = R_EvaluateQ3WaveFunc(deform->wavefunc, deform->waveparms);
10668                         VectorScale(deform->parms, scale, waveparms);
10669                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
10670                         {
10671                                 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
10672                                 for (j = 0;j < surface->num_vertices;j++)
10673                                         VectorAdd(rsurface.vertex3f + 3 * (surface->num_firstvertex + j), waveparms, rsurface.array_deformedvertex3f + 3 * (surface->num_firstvertex + j));
10674                         }
10675                         rsurface.vertex3f = rsurface.array_deformedvertex3f;
10676                         rsurface.vertex3f_bufferobject = 0;
10677                         rsurface.vertex3f_bufferoffset = 0;
10678                         break;
10679                 }
10680         }
10681         // generate texcoords based on the chosen texcoord source
10682         switch(rsurface.texture->tcgen.tcgen)
10683         {
10684         default:
10685         case Q3TCGEN_TEXTURE:
10686                 rsurface.texcoordtexture2f               = rsurface.modeltexcoordtexture2f;
10687                 rsurface.texcoordtexture2f_bufferobject  = rsurface.modeltexcoordtexture2f_bufferobject;
10688                 rsurface.texcoordtexture2f_bufferoffset  = rsurface.modeltexcoordtexture2f_bufferoffset;
10689                 break;
10690         case Q3TCGEN_LIGHTMAP:
10691                 rsurface.texcoordtexture2f               = rsurface.modeltexcoordlightmap2f;
10692                 rsurface.texcoordtexture2f_bufferobject  = rsurface.modeltexcoordlightmap2f_bufferobject;
10693                 rsurface.texcoordtexture2f_bufferoffset  = rsurface.modeltexcoordlightmap2f_bufferoffset;
10694                 break;
10695         case Q3TCGEN_VECTOR:
10696                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
10697                 {
10698                         const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
10699                         for (j = 0, v1 = rsurface.modelvertex3f + 3 * surface->num_firstvertex, out_tc = rsurface.array_generatedtexcoordtexture2f + 2 * surface->num_firstvertex;j < surface->num_vertices;j++, v1 += 3, out_tc += 2)
10700                         {
10701                                 out_tc[0] = DotProduct(v1, rsurface.texture->tcgen.parms);
10702                                 out_tc[1] = DotProduct(v1, rsurface.texture->tcgen.parms + 3);
10703                         }
10704                 }
10705                 rsurface.texcoordtexture2f               = rsurface.array_generatedtexcoordtexture2f;
10706                 rsurface.texcoordtexture2f_bufferobject  = 0;
10707                 rsurface.texcoordtexture2f_bufferoffset  = 0;
10708                 break;
10709         case Q3TCGEN_ENVIRONMENT:
10710                 // make environment reflections using a spheremap
10711                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
10712                 {
10713                         const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
10714                         const float *vertex = rsurface.modelvertex3f + 3 * surface->num_firstvertex;
10715                         const float *normal = rsurface.modelnormal3f + 3 * surface->num_firstvertex;
10716                         float *out_tc = rsurface.array_generatedtexcoordtexture2f + 2 * surface->num_firstvertex;
10717                         for (j = 0;j < surface->num_vertices;j++, vertex += 3, normal += 3, out_tc += 2)
10718                         {
10719                                 // identical to Q3A's method, but executed in worldspace so
10720                                 // carried models can be shiny too
10721
10722                                 float viewer[3], d, reflected[3], worldreflected[3];
10723
10724                                 VectorSubtract(rsurface.localvieworigin, vertex, viewer);
10725                                 // VectorNormalize(viewer);
10726
10727                                 d = DotProduct(normal, viewer);
10728
10729                                 reflected[0] = normal[0]*2*d - viewer[0];
10730                                 reflected[1] = normal[1]*2*d - viewer[1];
10731                                 reflected[2] = normal[2]*2*d - viewer[2];
10732                                 // note: this is proportinal to viewer, so we can normalize later
10733
10734                                 Matrix4x4_Transform3x3(&rsurface.matrix, reflected, worldreflected);
10735                                 VectorNormalize(worldreflected);
10736
10737                                 // note: this sphere map only uses world x and z!
10738                                 // so positive and negative y will LOOK THE SAME.
10739                                 out_tc[0] = 0.5 + 0.5 * worldreflected[1];
10740                                 out_tc[1] = 0.5 - 0.5 * worldreflected[2];
10741                         }
10742                 }
10743                 rsurface.texcoordtexture2f               = rsurface.array_generatedtexcoordtexture2f;
10744                 rsurface.texcoordtexture2f_bufferobject  = 0;
10745                 rsurface.texcoordtexture2f_bufferoffset  = 0;
10746                 break;
10747         }
10748         // the only tcmod that needs software vertex processing is turbulent, so
10749         // check for it here and apply the changes if needed
10750         // and we only support that as the first one
10751         // (handling a mixture of turbulent and other tcmods would be problematic
10752         //  without punting it entirely to a software path)
10753         if (rsurface.texture->tcmods[0].tcmod == Q3TCMOD_TURBULENT)
10754         {
10755                 amplitude = rsurface.texture->tcmods[0].parms[1];
10756                 animpos = rsurface.texture->tcmods[0].parms[2] + r_refdef.scene.time * rsurface.texture->tcmods[0].parms[3];
10757                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
10758                 {
10759                         const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
10760                         for (j = 0, v1 = rsurface.modelvertex3f + 3 * surface->num_firstvertex, in_tc = rsurface.texcoordtexture2f + 2 * surface->num_firstvertex, out_tc = rsurface.array_generatedtexcoordtexture2f + 2 * surface->num_firstvertex;j < surface->num_vertices;j++, v1 += 3, in_tc += 2, out_tc += 2)
10761                         {
10762                                 out_tc[0] = in_tc[0] + amplitude * sin(((v1[0] + v1[2]) * 1.0 / 1024.0f + animpos) * M_PI * 2);
10763                                 out_tc[1] = in_tc[1] + amplitude * sin(((v1[1]        ) * 1.0 / 1024.0f + animpos) * M_PI * 2);
10764                         }
10765                 }
10766                 rsurface.texcoordtexture2f               = rsurface.array_generatedtexcoordtexture2f;
10767                 rsurface.texcoordtexture2f_bufferobject  = 0;
10768                 rsurface.texcoordtexture2f_bufferoffset  = 0;
10769         }
10770         rsurface.texcoordlightmap2f              = rsurface.modeltexcoordlightmap2f;
10771         rsurface.texcoordlightmap2f_bufferobject = rsurface.modeltexcoordlightmap2f_bufferobject;
10772         rsurface.texcoordlightmap2f_bufferoffset = rsurface.modeltexcoordlightmap2f_bufferoffset;
10773         R_Mesh_VertexPointer(rsurface.vertex3f, rsurface.vertex3f_bufferobject, rsurface.vertex3f_bufferoffset);
10774 }
10775
10776 void RSurf_DrawBatch_Simple(int texturenumsurfaces, const msurface_t **texturesurfacelist)
10777 {
10778         int i, j;
10779         const msurface_t *surface = texturesurfacelist[0];
10780         const msurface_t *surface2;
10781         int firstvertex;
10782         int endvertex;
10783         int numvertices;
10784         int numtriangles;
10785         // TODO: lock all array ranges before render, rather than on each surface
10786         if (texturenumsurfaces == 1)
10787                 R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_firsttriangle, surface->num_triangles, rsurface.modelelement3i, rsurface.modelelement3s, rsurface.modelelement3i_bufferobject, rsurface.modelelement3s_bufferobject);
10788         else if (r_batchmode.integer == 2)
10789         {
10790                 #define MAXBATCHTRIANGLES 65536
10791                 int batchtriangles = 0;
10792                 static int batchelements[MAXBATCHTRIANGLES*3];
10793                 for (i = 0;i < texturenumsurfaces;i = j)
10794                 {
10795                         surface = texturesurfacelist[i];
10796                         j = i + 1;
10797                         if (surface->num_triangles > MAXBATCHTRIANGLES)
10798                         {
10799                                 R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_firsttriangle, surface->num_triangles, rsurface.modelelement3i, rsurface.modelelement3s, rsurface.modelelement3i_bufferobject, rsurface.modelelement3s_bufferobject);
10800                                 continue;
10801                         }
10802                         memcpy(batchelements, rsurface.modelelement3i + 3 * surface->num_firsttriangle, surface->num_triangles * sizeof(int[3]));
10803                         batchtriangles = surface->num_triangles;
10804                         firstvertex = surface->num_firstvertex;
10805                         endvertex = surface->num_firstvertex + surface->num_vertices;
10806                         for (;j < texturenumsurfaces;j++)
10807                         {
10808                                 surface2 = texturesurfacelist[j];
10809                                 if (batchtriangles + surface2->num_triangles > MAXBATCHTRIANGLES)
10810                                         break;
10811                                 memcpy(batchelements + batchtriangles * 3, rsurface.modelelement3i + 3 * surface2->num_firsttriangle, surface2->num_triangles * sizeof(int[3]));
10812                                 batchtriangles += surface2->num_triangles;
10813                                 firstvertex = min(firstvertex, surface2->num_firstvertex);
10814                                 endvertex = max(endvertex, surface2->num_firstvertex + surface2->num_vertices);
10815                         }
10816                         surface2 = texturesurfacelist[j-1];
10817                         numvertices = endvertex - firstvertex;
10818                         R_Mesh_Draw(firstvertex, numvertices, 0, batchtriangles, batchelements, NULL, 0, 0);
10819                 }
10820         }
10821         else if (r_batchmode.integer == 1)
10822         {
10823                 for (i = 0;i < texturenumsurfaces;i = j)
10824                 {
10825                         surface = texturesurfacelist[i];
10826                         for (j = i + 1, surface2 = surface + 1;j < texturenumsurfaces;j++, surface2++)
10827                                 if (texturesurfacelist[j] != surface2)
10828                                         break;
10829                         surface2 = texturesurfacelist[j-1];
10830                         numvertices = surface2->num_firstvertex + surface2->num_vertices - surface->num_firstvertex;
10831                         numtriangles = surface2->num_firsttriangle + surface2->num_triangles - surface->num_firsttriangle;
10832                         R_Mesh_Draw(surface->num_firstvertex, numvertices, surface->num_firsttriangle, numtriangles, rsurface.modelelement3i, rsurface.modelelement3s, rsurface.modelelement3i_bufferobject, rsurface.modelelement3s_bufferobject);
10833                 }
10834         }
10835         else
10836         {
10837                 for (i = 0;i < texturenumsurfaces;i++)
10838                 {
10839                         surface = texturesurfacelist[i];
10840                         R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_firsttriangle, surface->num_triangles, rsurface.modelelement3i, rsurface.modelelement3s, rsurface.modelelement3i_bufferobject, rsurface.modelelement3s_bufferobject);
10841                 }
10842         }
10843 }
10844
10845 static void RSurf_BindLightmapForSurface(const msurface_t *surface)
10846 {
10847         switch(vid.renderpath)
10848         {
10849         case RENDERPATH_CGGL:
10850 #ifdef SUPPORTCG
10851                 if (r_cg_permutation->fp_Texture_Lightmap ) CG_BindTexture(r_cg_permutation->fp_Texture_Lightmap , surface->lightmaptexture );CHECKCGERROR
10852                 if (r_cg_permutation->fp_Texture_Deluxemap) CG_BindTexture(r_cg_permutation->fp_Texture_Deluxemap, surface->deluxemaptexture);CHECKCGERROR
10853 #endif
10854                 break;
10855         case RENDERPATH_GL20:
10856                 if (r_glsl_permutation->loc_Texture_Lightmap  >= 0) R_Mesh_TexBind(GL20TU_LIGHTMAP , surface->lightmaptexture );
10857                 if (r_glsl_permutation->loc_Texture_Deluxemap >= 0) R_Mesh_TexBind(GL20TU_DELUXEMAP, surface->deluxemaptexture);
10858                 break;
10859         case RENDERPATH_GL13:
10860         case RENDERPATH_GL11:
10861                 R_Mesh_TexBind(0, surface->lightmaptexture);
10862                 break;
10863         }
10864 }
10865
10866 static void RSurf_BindReflectionForSurface(const msurface_t *surface)
10867 {
10868         // pick the closest matching water plane and bind textures
10869         int planeindex, vertexindex;
10870         float d, bestd;
10871         vec3_t vert;
10872         const float *v;
10873         r_waterstate_waterplane_t *p, *bestp;
10874         bestd = 0;
10875         bestp = NULL;
10876         for (planeindex = 0, p = r_waterstate.waterplanes;planeindex < r_waterstate.numwaterplanes;planeindex++, p++)
10877         {
10878                 if(p->camera_entity != rsurface.texture->camera_entity)
10879                         continue;
10880                 d = 0;
10881                 for (vertexindex = 0, v = rsurface.modelvertex3f + surface->num_firstvertex * 3;vertexindex < surface->num_vertices;vertexindex++, v += 3)
10882                 {
10883                         Matrix4x4_Transform(&rsurface.matrix, v, vert);
10884                         d += fabs(PlaneDiff(vert, &p->plane));
10885                 }
10886                 if (bestd > d || !bestp)
10887                 {
10888                         bestd = d;
10889                         bestp = p;
10890                 }
10891         }
10892         switch(vid.renderpath)
10893         {
10894         case RENDERPATH_CGGL:
10895 #ifdef SUPPORTCG
10896                 if (r_cg_permutation->fp_Texture_Refraction) {CG_BindTexture(r_cg_permutation->fp_Texture_Refraction, bestp ? bestp->texture_refraction : r_texture_black);CHECKCGERROR}
10897                 else if (r_cg_permutation->fp_Texture_First) {CG_BindTexture(r_cg_permutation->fp_Texture_First, bestp ? bestp->texture_camera : r_texture_black);CHECKCGERROR}
10898                 if (r_cg_permutation->fp_Texture_Reflection) {CG_BindTexture(r_cg_permutation->fp_Texture_Reflection, bestp ? bestp->texture_reflection : r_texture_black);CHECKCGERROR}
10899 #endif
10900                 break;
10901         case RENDERPATH_GL20:
10902                 if (r_glsl_permutation->loc_Texture_Refraction >= 0) R_Mesh_TexBind(GL20TU_REFRACTION, bestp ? bestp->texture_refraction : r_texture_black);
10903                 else if (r_glsl_permutation->loc_Texture_First >= 0) R_Mesh_TexBind(GL20TU_FIRST, bestp ? bestp->texture_camera : r_texture_black);
10904                 if (r_glsl_permutation->loc_Texture_Reflection >= 0) R_Mesh_TexBind(GL20TU_REFLECTION, bestp ? bestp->texture_reflection : r_texture_black);
10905                 break;
10906         case RENDERPATH_GL13:
10907         case RENDERPATH_GL11:
10908                 break;
10909         }
10910 }
10911
10912 static void RSurf_DrawBatch_WithLightmapSwitching_WithWaterTextureSwitching(int texturenumsurfaces, const msurface_t **texturesurfacelist)
10913 {
10914         int i;
10915         const msurface_t *surface;
10916         if (r_waterstate.renderingscene)
10917                 return;
10918         for (i = 0;i < texturenumsurfaces;i++)
10919         {
10920                 surface = texturesurfacelist[i];
10921                 RSurf_BindLightmapForSurface(surface);
10922                 RSurf_BindReflectionForSurface(surface);
10923                 R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_firsttriangle, surface->num_triangles, rsurface.modelelement3i, rsurface.modelelement3s, rsurface.modelelement3i_bufferobject, rsurface.modelelement3s_bufferobject);
10924         }
10925 }
10926
10927 static void RSurf_DrawBatch_WithLightmapSwitching(int texturenumsurfaces, const msurface_t **texturesurfacelist)
10928 {
10929         int i;
10930         int j;
10931         const msurface_t *surface = texturesurfacelist[0];
10932         const msurface_t *surface2;
10933         int firstvertex;
10934         int endvertex;
10935         int numvertices;
10936         int numtriangles;
10937         if (texturenumsurfaces == 1)
10938         {
10939                 RSurf_BindLightmapForSurface(surface);
10940                 R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_firsttriangle, surface->num_triangles, rsurface.modelelement3i, rsurface.modelelement3s, rsurface.modelelement3i_bufferobject, rsurface.modelelement3s_bufferobject);
10941         }
10942         else if (r_batchmode.integer == 2)
10943         {
10944                 int batchtriangles = 0;
10945                 static int batchelements[MAXBATCHTRIANGLES*3];
10946                 for (i = 0;i < texturenumsurfaces;i = j)
10947                 {
10948                         surface = texturesurfacelist[i];
10949                         RSurf_BindLightmapForSurface(surface);
10950                         j = i + 1;
10951                         if (surface->num_triangles > MAXBATCHTRIANGLES)
10952                         {
10953                                 R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_firsttriangle, surface->num_triangles, rsurface.modelelement3i, rsurface.modelelement3s, rsurface.modelelement3i_bufferobject, rsurface.modelelement3s_bufferobject);
10954                                 continue;
10955                         }
10956                         memcpy(batchelements, rsurface.modelelement3i + 3 * surface->num_firsttriangle, surface->num_triangles * sizeof(int[3]));
10957                         batchtriangles = surface->num_triangles;
10958                         firstvertex = surface->num_firstvertex;
10959                         endvertex = surface->num_firstvertex + surface->num_vertices;
10960                         for (;j < texturenumsurfaces;j++)
10961                         {
10962                                 surface2 = texturesurfacelist[j];
10963                                 if (surface2->lightmaptexture != surface->lightmaptexture || batchtriangles + surface2->num_triangles > MAXBATCHTRIANGLES)
10964                                         break;
10965                                 memcpy(batchelements + batchtriangles * 3, rsurface.modelelement3i + 3 * surface2->num_firsttriangle, surface2->num_triangles * sizeof(int[3]));
10966                                 batchtriangles += surface2->num_triangles;
10967                                 firstvertex = min(firstvertex, surface2->num_firstvertex);
10968                                 endvertex = max(endvertex, surface2->num_firstvertex + surface2->num_vertices);
10969                         }
10970                         surface2 = texturesurfacelist[j-1];
10971                         numvertices = endvertex - firstvertex;
10972                         R_Mesh_Draw(firstvertex, numvertices, 0, batchtriangles, batchelements, NULL, 0, 0);
10973                 }
10974         }
10975         else if (r_batchmode.integer == 1)
10976         {
10977 #if 0
10978                 Con_Printf("%s batch sizes ignoring lightmap:", rsurface.texture->name);
10979                 for (i = 0;i < texturenumsurfaces;i = j)
10980                 {
10981                         surface = texturesurfacelist[i];
10982                         for (j = i + 1, surface2 = surface + 1;j < texturenumsurfaces;j++, surface2++)
10983                                 if (texturesurfacelist[j] != surface2)
10984                                         break;
10985                         Con_Printf(" %i", j - i);
10986                 }
10987                 Con_Printf("\n");
10988                 Con_Printf("%s batch sizes honoring lightmap:", rsurface.texture->name);
10989 #endif
10990                 for (i = 0;i < texturenumsurfaces;i = j)
10991                 {
10992                         surface = texturesurfacelist[i];
10993                         RSurf_BindLightmapForSurface(surface);
10994                         for (j = i + 1, surface2 = surface + 1;j < texturenumsurfaces;j++, surface2++)
10995                                 if (texturesurfacelist[j] != surface2 || texturesurfacelist[j]->lightmaptexture != surface->lightmaptexture)
10996                                         break;
10997 #if 0
10998                         Con_Printf(" %i", j - i);
10999 #endif
11000                         surface2 = texturesurfacelist[j-1];
11001                         numvertices = surface2->num_firstvertex + surface2->num_vertices - surface->num_firstvertex;
11002                         numtriangles = surface2->num_firsttriangle + surface2->num_triangles - surface->num_firsttriangle;
11003                         R_Mesh_Draw(surface->num_firstvertex, numvertices, surface->num_firsttriangle, numtriangles, rsurface.modelelement3i, rsurface.modelelement3s, rsurface.modelelement3i_bufferobject, rsurface.modelelement3s_bufferobject);
11004                 }
11005 #if 0
11006                 Con_Printf("\n");
11007 #endif
11008         }
11009         else
11010         {
11011                 for (i = 0;i < texturenumsurfaces;i++)
11012                 {
11013                         surface = texturesurfacelist[i];
11014                         RSurf_BindLightmapForSurface(surface);
11015                         R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_firsttriangle, surface->num_triangles, rsurface.modelelement3i, rsurface.modelelement3s, rsurface.modelelement3i_bufferobject, rsurface.modelelement3s_bufferobject);
11016                 }
11017         }
11018 }
11019
11020 static void RSurf_DrawBatch_ShowSurfaces(int texturenumsurfaces, const msurface_t **texturesurfacelist)
11021 {
11022         int j;
11023         int texturesurfaceindex;
11024         if (r_showsurfaces.integer == 2)
11025         {
11026                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
11027                 {
11028                         const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
11029                         for (j = 0;j < surface->num_triangles;j++)
11030                         {
11031                                 float f = ((j + surface->num_firsttriangle) & 31) * (1.0f / 31.0f) * r_refdef.view.colorscale;
11032                                 GL_Color(f, f, f, 1);
11033                                 R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_firsttriangle + j, 1, rsurface.modelelement3i, rsurface.modelelement3s, rsurface.modelelement3i_bufferobject, rsurface.modelelement3s_bufferobject);
11034                         }
11035                 }
11036         }
11037         else
11038         {
11039                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
11040                 {
11041                         const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
11042                         int k = (int)(((size_t)surface) / sizeof(msurface_t));
11043                         GL_Color((k & 15) * (1.0f / 16.0f) * r_refdef.view.colorscale, ((k >> 4) & 15) * (1.0f / 16.0f) * r_refdef.view.colorscale, ((k >> 8) & 15) * (1.0f / 16.0f) * r_refdef.view.colorscale, 1);
11044                         R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_firsttriangle, surface->num_triangles, rsurface.modelelement3i, rsurface.modelelement3s, rsurface.modelelement3i_bufferobject, rsurface.modelelement3s_bufferobject);
11045                 }
11046         }
11047 }
11048
11049 static void RSurf_DrawBatch_GL11_MakeFullbrightLightmapColorArray(int texturenumsurfaces, const msurface_t **texturesurfacelist)
11050 {
11051         int texturesurfaceindex;
11052         int i;
11053         const float *v;
11054         float *c2;
11055         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
11056         {
11057                 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
11058                 for (i = 0, v = (rsurface.vertex3f + 3 * surface->num_firstvertex), c2 = (rsurface.array_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c2 += 4)
11059                 {
11060                         c2[0] = 0.5;
11061                         c2[1] = 0.5;
11062                         c2[2] = 0.5;
11063                         c2[3] = 1;
11064                 }
11065         }
11066         rsurface.lightmapcolor4f = rsurface.array_color4f;
11067         rsurface.lightmapcolor4f_bufferobject = 0;
11068         rsurface.lightmapcolor4f_bufferoffset = 0;
11069 }
11070
11071 static void RSurf_DrawBatch_GL11_ApplyFog(int texturenumsurfaces, const msurface_t **texturesurfacelist)
11072 {
11073         int texturesurfaceindex;
11074         int i;
11075         float f;
11076         const float *v;
11077         const float *c;
11078         float *c2;
11079         if (rsurface.lightmapcolor4f)
11080         {
11081                 // generate color arrays for the surfaces in this list
11082                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
11083                 {
11084                         const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
11085                         for (i = 0, v = (rsurface.vertex3f + 3 * surface->num_firstvertex), c = (rsurface.lightmapcolor4f + 4 * surface->num_firstvertex), c2 = (rsurface.array_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c += 4, c2 += 4)
11086                         {
11087                                 f = RSurf_FogVertex(v);
11088                                 c2[0] = c[0] * f;
11089                                 c2[1] = c[1] * f;
11090                                 c2[2] = c[2] * f;
11091                                 c2[3] = c[3];
11092                         }
11093                 }
11094         }
11095         else
11096         {
11097                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
11098                 {
11099                         const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
11100                         for (i = 0, v = (rsurface.vertex3f + 3 * surface->num_firstvertex), c2 = (rsurface.array_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c2 += 4)
11101                         {
11102                                 f = RSurf_FogVertex(v);
11103                                 c2[0] = f;
11104                                 c2[1] = f;
11105                                 c2[2] = f;
11106                                 c2[3] = 1;
11107                         }
11108                 }
11109         }
11110         rsurface.lightmapcolor4f = rsurface.array_color4f;
11111         rsurface.lightmapcolor4f_bufferobject = 0;
11112         rsurface.lightmapcolor4f_bufferoffset = 0;
11113 }
11114
11115 static void RSurf_DrawBatch_GL11_ApplyFogToFinishedVertexColors(int texturenumsurfaces, const msurface_t **texturesurfacelist)
11116 {
11117         int texturesurfaceindex;
11118         int i;
11119         float f;
11120         const float *v;
11121         const float *c;
11122         float *c2;
11123         if (!rsurface.lightmapcolor4f)
11124                 return;
11125         // generate color arrays for the surfaces in this list
11126         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
11127         {
11128                 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
11129                 for (i = 0, v = (rsurface.vertex3f + 3 * surface->num_firstvertex), c = (rsurface.lightmapcolor4f + 4 * surface->num_firstvertex), c2 = (rsurface.array_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c += 4, c2 += 4)
11130                 {
11131                         f = RSurf_FogVertex(v);
11132                         c2[0] = c[0] * f + r_refdef.fogcolor[0] * (1 - f);
11133                         c2[1] = c[1] * f + r_refdef.fogcolor[1] * (1 - f);
11134                         c2[2] = c[2] * f + r_refdef.fogcolor[2] * (1 - f);
11135                         c2[3] = c[3];
11136                 }
11137         }
11138         rsurface.lightmapcolor4f = rsurface.array_color4f;
11139         rsurface.lightmapcolor4f_bufferobject = 0;
11140         rsurface.lightmapcolor4f_bufferoffset = 0;
11141 }
11142
11143 static void RSurf_DrawBatch_GL11_ApplyColor(int texturenumsurfaces, const msurface_t **texturesurfacelist, float r, float g, float b, float a)
11144 {
11145         int texturesurfaceindex;
11146         int i;
11147         const float *c;
11148         float *c2;
11149         if (!rsurface.lightmapcolor4f)
11150                 return;
11151         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
11152         {
11153                 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
11154                 for (i = 0, c = (rsurface.lightmapcolor4f + 4 * surface->num_firstvertex), c2 = (rsurface.array_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, c += 4, c2 += 4)
11155                 {
11156                         c2[0] = c[0] * r;
11157                         c2[1] = c[1] * g;
11158                         c2[2] = c[2] * b;
11159                         c2[3] = c[3] * a;
11160                 }
11161         }
11162         rsurface.lightmapcolor4f = rsurface.array_color4f;
11163         rsurface.lightmapcolor4f_bufferobject = 0;
11164         rsurface.lightmapcolor4f_bufferoffset = 0;
11165 }
11166
11167 static void RSurf_DrawBatch_GL11_ApplyAmbient(int texturenumsurfaces, const msurface_t **texturesurfacelist)
11168 {
11169         int texturesurfaceindex;
11170         int i;
11171         const float *c;
11172         float *c2;
11173         if (!rsurface.lightmapcolor4f)
11174                 return;
11175         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
11176         {
11177                 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
11178                 for (i = 0, c = (rsurface.lightmapcolor4f + 4 * surface->num_firstvertex), c2 = (rsurface.array_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, c += 4, c2 += 4)
11179                 {
11180                         c2[0] = c[0] + r_refdef.scene.ambient;
11181                         c2[1] = c[1] + r_refdef.scene.ambient;
11182                         c2[2] = c[2] + r_refdef.scene.ambient;
11183                         c2[3] = c[3];
11184                 }
11185         }
11186         rsurface.lightmapcolor4f = rsurface.array_color4f;
11187         rsurface.lightmapcolor4f_bufferobject = 0;
11188         rsurface.lightmapcolor4f_bufferoffset = 0;
11189 }
11190
11191 static void RSurf_DrawBatch_GL11_Lightmap(int texturenumsurfaces, const msurface_t **texturesurfacelist, float r, float g, float b, float a, qboolean applycolor, qboolean applyfog)
11192 {
11193         // TODO: optimize
11194         rsurface.lightmapcolor4f = NULL;
11195         rsurface.lightmapcolor4f_bufferobject = 0;
11196         rsurface.lightmapcolor4f_bufferoffset = 0;
11197         if (applyfog)   RSurf_DrawBatch_GL11_ApplyFog(texturenumsurfaces, texturesurfacelist);
11198         if (applycolor) RSurf_DrawBatch_GL11_ApplyColor(texturenumsurfaces, texturesurfacelist, r, g, b, a);
11199         R_Mesh_ColorPointer(rsurface.lightmapcolor4f, rsurface.lightmapcolor4f_bufferobject, rsurface.lightmapcolor4f_bufferoffset);
11200         GL_Color(r, g, b, a);
11201         RSurf_DrawBatch_WithLightmapSwitching(texturenumsurfaces, texturesurfacelist);
11202 }
11203
11204 static void RSurf_DrawBatch_GL11_Unlit(int texturenumsurfaces, const msurface_t **texturesurfacelist, float r, float g, float b, float a, qboolean applycolor, qboolean applyfog)
11205 {
11206         // TODO: optimize applyfog && applycolor case
11207         // just apply fog if necessary, and tint the fog color array if necessary
11208         rsurface.lightmapcolor4f = NULL;
11209         rsurface.lightmapcolor4f_bufferobject = 0;
11210         rsurface.lightmapcolor4f_bufferoffset = 0;
11211         if (applyfog)   RSurf_DrawBatch_GL11_ApplyFog(texturenumsurfaces, texturesurfacelist);
11212         if (applycolor) RSurf_DrawBatch_GL11_ApplyColor(texturenumsurfaces, texturesurfacelist, r, g, b, a);
11213         R_Mesh_ColorPointer(rsurface.lightmapcolor4f, rsurface.lightmapcolor4f_bufferobject, rsurface.lightmapcolor4f_bufferoffset);
11214         GL_Color(r, g, b, a);
11215         RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
11216 }
11217
11218 static void RSurf_DrawBatch_GL11_VertexColor(int texturenumsurfaces, const msurface_t **texturesurfacelist, float r, float g, float b, float a, qboolean applycolor, qboolean applyfog)
11219 {
11220         int texturesurfaceindex;
11221         int i;
11222         float *c;
11223         // TODO: optimize
11224         if (texturesurfacelist[0]->lightmapinfo)
11225         {
11226                 // generate color arrays for the surfaces in this list
11227                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
11228                 {
11229                         const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
11230                         for (i = 0, c = rsurface.array_color4f + 4 * surface->num_firstvertex;i < surface->num_vertices;i++, c += 4)
11231                         {
11232                                 if (surface->lightmapinfo->samples)
11233                                 {
11234                                         const unsigned char *lm = surface->lightmapinfo->samples + (rsurface.modellightmapoffsets + surface->num_firstvertex)[i];
11235                                         float scale = r_refdef.scene.lightstylevalue[surface->lightmapinfo->styles[0]] * (1.0f / 32768.0f);
11236                                         VectorScale(lm, scale, c);
11237                                         if (surface->lightmapinfo->styles[1] != 255)
11238                                         {
11239                                                 int size3 = ((surface->lightmapinfo->extents[0]>>4)+1)*((surface->lightmapinfo->extents[1]>>4)+1)*3;
11240                                                 lm += size3;
11241                                                 scale = r_refdef.scene.lightstylevalue[surface->lightmapinfo->styles[1]] * (1.0f / 32768.0f);
11242                                                 VectorMA(c, scale, lm, c);
11243                                                 if (surface->lightmapinfo->styles[2] != 255)
11244                                                 {
11245                                                         lm += size3;
11246                                                         scale = r_refdef.scene.lightstylevalue[surface->lightmapinfo->styles[2]] * (1.0f / 32768.0f);
11247                                                         VectorMA(c, scale, lm, c);
11248                                                         if (surface->lightmapinfo->styles[3] != 255)
11249                                                         {
11250                                                                 lm += size3;
11251                                                                 scale = r_refdef.scene.lightstylevalue[surface->lightmapinfo->styles[3]] * (1.0f / 32768.0f);
11252                                                                 VectorMA(c, scale, lm, c);
11253                                                         }
11254                                                 }
11255                                         }
11256                                 }
11257                                 else
11258                                         VectorClear(c);
11259                                 c[3] = 1;
11260                         }
11261                 }
11262                 rsurface.lightmapcolor4f = rsurface.array_color4f;
11263                 rsurface.lightmapcolor4f_bufferobject = 0;
11264                 rsurface.lightmapcolor4f_bufferoffset = 0;
11265         }
11266         else
11267         {
11268                 rsurface.lightmapcolor4f = rsurface.modellightmapcolor4f;
11269                 rsurface.lightmapcolor4f_bufferobject = rsurface.modellightmapcolor4f_bufferobject;
11270                 rsurface.lightmapcolor4f_bufferoffset = rsurface.modellightmapcolor4f_bufferoffset;
11271         }
11272         if (applyfog)   RSurf_DrawBatch_GL11_ApplyFog(texturenumsurfaces, texturesurfacelist);
11273         if (applycolor) RSurf_DrawBatch_GL11_ApplyColor(texturenumsurfaces, texturesurfacelist, r, g, b, a);
11274         R_Mesh_ColorPointer(rsurface.lightmapcolor4f, rsurface.lightmapcolor4f_bufferobject, rsurface.lightmapcolor4f_bufferoffset);
11275         GL_Color(r, g, b, a);
11276         RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
11277 }
11278
11279 static void RSurf_DrawBatch_GL11_ApplyFakeLight(int texturenumsurfaces, const msurface_t **texturesurfacelist)
11280 {
11281         int texturesurfaceindex;
11282         int i;
11283         float f;
11284         const float *v;
11285         const float *n;
11286         float *c;
11287         //vec3_t eyedir;
11288
11289         // fake shading
11290         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
11291         {
11292                 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
11293                 int numverts = surface->num_vertices;
11294                 v = rsurface.vertex3f + 3 * surface->num_firstvertex;
11295                 n = rsurface.normal3f + 3 * surface->num_firstvertex;
11296                 c = rsurface.array_color4f + 4 * surface->num_firstvertex;
11297                 for (i = 0;i < numverts;i++, v += 3, n += 3, c += 4)
11298                 {
11299                         f = -DotProduct(r_refdef.view.forward, n);
11300                         f = max(0, f);
11301                         f = f * 0.85 + 0.15; // work around so stuff won't get black
11302                         f *= r_refdef.lightmapintensity;
11303                         Vector4Set(c, f, f, f, 1);
11304                 }
11305         }
11306
11307         rsurface.lightmapcolor4f = rsurface.array_color4f;
11308         rsurface.lightmapcolor4f_bufferobject = 0;
11309         rsurface.lightmapcolor4f_bufferoffset = 0;
11310 }
11311
11312 static void RSurf_DrawBatch_GL11_FakeLight(int texturenumsurfaces, const msurface_t **texturesurfacelist, float r, float g, float b, float a, qboolean applycolor, qboolean applyfog)
11313 {
11314         RSurf_DrawBatch_GL11_ApplyFakeLight(texturenumsurfaces, texturesurfacelist);
11315         if (applyfog)   RSurf_DrawBatch_GL11_ApplyFog(texturenumsurfaces, texturesurfacelist);
11316         if (applycolor) RSurf_DrawBatch_GL11_ApplyColor(texturenumsurfaces, texturesurfacelist, r, g, b, a);
11317         R_Mesh_ColorPointer(rsurface.lightmapcolor4f, rsurface.lightmapcolor4f_bufferobject, rsurface.lightmapcolor4f_bufferoffset);
11318         GL_Color(r, g, b, a);
11319         RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
11320 }
11321
11322 static void RSurf_DrawBatch_GL11_ApplyVertexShade(int texturenumsurfaces, const msurface_t **texturesurfacelist, float *r, float *g, float *b, float *a, qboolean *applycolor)
11323 {
11324         int texturesurfaceindex;
11325         int i;
11326         float f;
11327         float alpha;
11328         const float *v;
11329         const float *n;
11330         float *c;
11331         vec3_t ambientcolor;
11332         vec3_t diffusecolor;
11333         vec3_t lightdir;
11334         // TODO: optimize
11335         // model lighting
11336         VectorCopy(rsurface.modellight_lightdir, lightdir);
11337         f = 0.5f * r_refdef.lightmapintensity;
11338         ambientcolor[0] = rsurface.modellight_ambient[0] * *r * f;
11339         ambientcolor[1] = rsurface.modellight_ambient[1] * *g * f;
11340         ambientcolor[2] = rsurface.modellight_ambient[2] * *b * f;
11341         diffusecolor[0] = rsurface.modellight_diffuse[0] * *r * f;
11342         diffusecolor[1] = rsurface.modellight_diffuse[1] * *g * f;
11343         diffusecolor[2] = rsurface.modellight_diffuse[2] * *b * f;
11344         alpha = *a;
11345         if (VectorLength2(diffusecolor) > 0 && rsurface.normal3f)
11346         {
11347                 // generate color arrays for the surfaces in this list
11348                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
11349                 {
11350                         const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
11351                         int numverts = surface->num_vertices;
11352                         v = rsurface.vertex3f + 3 * surface->num_firstvertex;
11353                         n = rsurface.normal3f + 3 * surface->num_firstvertex;
11354                         c = rsurface.array_color4f + 4 * surface->num_firstvertex;
11355                         // q3-style directional shading
11356                         for (i = 0;i < numverts;i++, v += 3, n += 3, c += 4)
11357                         {
11358                                 if ((f = DotProduct(n, lightdir)) > 0)
11359                                         VectorMA(ambientcolor, f, diffusecolor, c);
11360                                 else
11361                                         VectorCopy(ambientcolor, c);
11362                                 c[3] = alpha;
11363                         }
11364                 }
11365                 *r = 1;
11366                 *g = 1;
11367                 *b = 1;
11368                 *a = 1;
11369                 rsurface.lightmapcolor4f = rsurface.array_color4f;
11370                 rsurface.lightmapcolor4f_bufferobject = 0;
11371                 rsurface.lightmapcolor4f_bufferoffset = 0;
11372                 *applycolor = false;
11373         }
11374         else
11375         {
11376                 *r = ambientcolor[0];
11377                 *g = ambientcolor[1];
11378                 *b = ambientcolor[2];
11379                 rsurface.lightmapcolor4f = NULL;
11380                 rsurface.lightmapcolor4f_bufferobject = 0;
11381                 rsurface.lightmapcolor4f_bufferoffset = 0;
11382         }
11383 }
11384
11385 static void RSurf_DrawBatch_GL11_VertexShade(int texturenumsurfaces, const msurface_t **texturesurfacelist, float r, float g, float b, float a, qboolean applycolor, qboolean applyfog)
11386 {
11387         RSurf_DrawBatch_GL11_ApplyVertexShade(texturenumsurfaces, texturesurfacelist, &r, &g, &b, &a, &applycolor);
11388         if (applyfog)   RSurf_DrawBatch_GL11_ApplyFog(texturenumsurfaces, texturesurfacelist);
11389         if (applycolor) RSurf_DrawBatch_GL11_ApplyColor(texturenumsurfaces, texturesurfacelist, r, g, b, a);
11390         R_Mesh_ColorPointer(rsurface.lightmapcolor4f, rsurface.lightmapcolor4f_bufferobject, rsurface.lightmapcolor4f_bufferoffset);
11391         GL_Color(r, g, b, a);
11392         RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
11393 }
11394
11395 void RSurf_SetupDepthAndCulling(void)
11396 {
11397         // submodels are biased to avoid z-fighting with world surfaces that they
11398         // may be exactly overlapping (avoids z-fighting artifacts on certain
11399         // doors and things in Quake maps)
11400         GL_DepthRange(0, (rsurface.texture->currentmaterialflags & MATERIALFLAG_SHORTDEPTHRANGE) ? 0.0625 : 1);
11401         GL_PolygonOffset(rsurface.basepolygonfactor + rsurface.texture->biaspolygonfactor, rsurface.basepolygonoffset + rsurface.texture->biaspolygonoffset);
11402         GL_DepthTest(!(rsurface.texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST));
11403         GL_CullFace((rsurface.texture->currentmaterialflags & MATERIALFLAG_NOCULLFACE) ? GL_NONE : r_refdef.view.cullface_back);
11404 }
11405
11406 static void R_DrawTextureSurfaceList_Sky(int texturenumsurfaces, const msurface_t **texturesurfacelist)
11407 {
11408         // transparent sky would be ridiculous
11409         if (rsurface.texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED)
11410                 return;
11411         R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
11412         skyrenderlater = true;
11413         RSurf_SetupDepthAndCulling();
11414         GL_DepthMask(true);
11415         // LordHavoc: HalfLife maps have freaky skypolys so don't use
11416         // skymasking on them, and Quake3 never did sky masking (unlike
11417         // software Quake and software Quake2), so disable the sky masking
11418         // in Quake3 maps as it causes problems with q3map2 sky tricks,
11419         // and skymasking also looks very bad when noclipping outside the
11420         // level, so don't use it then either.
11421         if (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->type == mod_brushq1 && r_q1bsp_skymasking.integer && !r_refdef.viewcache.world_novis)
11422         {
11423                 GL_Color(r_refdef.fogcolor[0], r_refdef.fogcolor[1], r_refdef.fogcolor[2], 1);
11424                 R_Mesh_ColorPointer(NULL, 0, 0);
11425                 R_Mesh_ResetTextureState();
11426                 if (skyrendermasked)
11427                 {
11428                         R_SetupShader_DepthOrShadow();
11429                         // depth-only (masking)
11430                         GL_ColorMask(0,0,0,0);
11431                         // just to make sure that braindead drivers don't draw
11432                         // anything despite that colormask...
11433                         GL_BlendFunc(GL_ZERO, GL_ONE);
11434                 }
11435                 else
11436                 {
11437                         R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
11438                         // fog sky
11439                         GL_BlendFunc(GL_ONE, GL_ZERO);
11440                 }
11441                 RSurf_PrepareVerticesForBatch(false, false, texturenumsurfaces, texturesurfacelist);
11442                 RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
11443                 if (skyrendermasked)
11444                         GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1);
11445         }
11446         R_Mesh_ResetTextureState();
11447         GL_Color(1, 1, 1, 1);
11448 }
11449
11450 extern rtexture_t *r_shadow_prepasslightingdiffusetexture;
11451 extern rtexture_t *r_shadow_prepasslightingspeculartexture;
11452 static void R_DrawTextureSurfaceList_GL20(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth, qboolean prepass)
11453 {
11454         if (r_waterstate.renderingscene && (rsurface.texture->currentmaterialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_REFLECTION | MATERIALFLAG_CAMERA)))
11455                 return;
11456         RSurf_PrepareVerticesForBatch(true, true, texturenumsurfaces, texturesurfacelist);
11457         if (prepass)
11458         {
11459                 // render screenspace normalmap to texture
11460                 GL_DepthMask(true);
11461                 R_SetupShader_Surface(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_DEFERREDGEOMETRY);
11462                 RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
11463         }
11464         else if ((rsurface.texture->currentmaterialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_CAMERA)) && !r_waterstate.renderingscene)
11465         {
11466                 // render water or distortion background, then blend surface on top
11467                 GL_DepthMask(true);
11468                 R_SetupShader_Surface(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_BACKGROUND);
11469                 RSurf_DrawBatch_WithLightmapSwitching_WithWaterTextureSwitching(texturenumsurfaces, texturesurfacelist);
11470                 GL_DepthMask(false);
11471                 R_SetupShader_Surface(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_BASE);
11472                 if (rsurface.uselightmaptexture && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT))
11473                         RSurf_DrawBatch_WithLightmapSwitching(texturenumsurfaces, texturesurfacelist);
11474                 else
11475                         RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
11476         }
11477         else
11478         {
11479                 // render surface normally
11480                 GL_DepthMask(writedepth && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_BLENDED));
11481                 R_SetupShader_Surface(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_BASE);
11482                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_REFLECTION)
11483                         RSurf_DrawBatch_WithLightmapSwitching_WithWaterTextureSwitching(texturenumsurfaces, texturesurfacelist);
11484                 else if (rsurface.uselightmaptexture && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT))
11485                         RSurf_DrawBatch_WithLightmapSwitching(texturenumsurfaces, texturesurfacelist);
11486                 else
11487                         RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
11488         }
11489 }
11490
11491 static void R_DrawTextureSurfaceList_GL13(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth)
11492 {
11493         // OpenGL 1.3 path - anything not completely ancient
11494         int texturesurfaceindex;
11495         qboolean applycolor;
11496         qboolean applyfog;
11497         int layerindex;
11498         const texturelayer_t *layer;
11499         RSurf_PrepareVerticesForBatch(true, false, texturenumsurfaces, texturesurfacelist);
11500
11501         for (layerindex = 0, layer = rsurface.texture->currentlayers;layerindex < rsurface.texture->currentnumlayers;layerindex++, layer++)
11502         {
11503                 vec4_t layercolor;
11504                 int layertexrgbscale;
11505                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
11506                 {
11507                         if (layerindex == 0)
11508                                 GL_AlphaTest(true);
11509                         else
11510                         {
11511                                 GL_AlphaTest(false);
11512                                 qglDepthFunc(GL_EQUAL);CHECKGLERROR
11513                         }
11514                 }
11515                 GL_DepthMask(layer->depthmask && writedepth);
11516                 GL_BlendFunc(layer->blendfunc1, layer->blendfunc2);
11517                 if (layer->color[0] > 2 || layer->color[1] > 2 || layer->color[2] > 2)
11518                 {
11519                         layertexrgbscale = 4;
11520                         VectorScale(layer->color, 0.25f, layercolor);
11521                 }
11522                 else if (layer->color[0] > 1 || layer->color[1] > 1 || layer->color[2] > 1)
11523                 {
11524                         layertexrgbscale = 2;
11525                         VectorScale(layer->color, 0.5f, layercolor);
11526                 }
11527                 else
11528                 {
11529                         layertexrgbscale = 1;
11530                         VectorScale(layer->color, 1.0f, layercolor);
11531                 }
11532                 layercolor[3] = layer->color[3];
11533                 applycolor = layercolor[0] != 1 || layercolor[1] != 1 || layercolor[2] != 1 || layercolor[3] != 1;
11534                 R_Mesh_ColorPointer(NULL, 0, 0);
11535                 applyfog = r_refdef.fogenabled && (rsurface.texture->currentmaterialflags & MATERIALFLAG_BLENDED);
11536                 switch (layer->type)
11537                 {
11538                 case TEXTURELAYERTYPE_LITTEXTURE:
11539                         // single-pass lightmapped texture with 2x rgbscale
11540                         R_Mesh_TexBind(0, r_texture_white);
11541                         R_Mesh_TexMatrix(0, NULL);
11542                         R_Mesh_TexCombine(0, GL_MODULATE, GL_MODULATE, 1, 1);
11543                         R_Mesh_TexCoordPointer(0, 2, rsurface.modeltexcoordlightmap2f, rsurface.modeltexcoordlightmap2f_bufferobject, rsurface.modeltexcoordlightmap2f_bufferoffset);
11544                         R_Mesh_TexBind(1, layer->texture);
11545                         R_Mesh_TexMatrix(1, &layer->texmatrix);
11546                         R_Mesh_TexCombine(1, GL_MODULATE, GL_MODULATE, layertexrgbscale, 1);
11547                         R_Mesh_TexCoordPointer(1, 2, rsurface.texcoordtexture2f, rsurface.texcoordtexture2f_bufferobject, rsurface.texcoordtexture2f_bufferoffset);
11548                         if (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT)
11549                                 RSurf_DrawBatch_GL11_VertexShade(texturenumsurfaces, texturesurfacelist, layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
11550                         else if (FAKELIGHT_ENABLED)
11551                                 RSurf_DrawBatch_GL11_FakeLight(texturenumsurfaces, texturesurfacelist, layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
11552                         else if (rsurface.uselightmaptexture)
11553                                 RSurf_DrawBatch_GL11_Lightmap(texturenumsurfaces, texturesurfacelist, layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
11554                         else
11555                                 RSurf_DrawBatch_GL11_VertexColor(texturenumsurfaces, texturesurfacelist, layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
11556                         break;
11557                 case TEXTURELAYERTYPE_TEXTURE:
11558                         // singletexture unlit texture with transparency support
11559                         R_Mesh_TexBind(0, layer->texture);
11560                         R_Mesh_TexMatrix(0, &layer->texmatrix);
11561                         R_Mesh_TexCombine(0, GL_MODULATE, GL_MODULATE, layertexrgbscale, 1);
11562                         R_Mesh_TexCoordPointer(0, 2, rsurface.texcoordtexture2f, rsurface.texcoordtexture2f_bufferobject, rsurface.texcoordtexture2f_bufferoffset);
11563                         R_Mesh_TexBind(1, 0);
11564                         R_Mesh_TexCoordPointer(1, 2, NULL, 0, 0);
11565                         RSurf_DrawBatch_GL11_Unlit(texturenumsurfaces, texturesurfacelist, layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
11566                         break;
11567                 case TEXTURELAYERTYPE_FOG:
11568                         // singletexture fogging
11569                         if (layer->texture)
11570                         {
11571                                 R_Mesh_TexBind(0, layer->texture);
11572                                 R_Mesh_TexMatrix(0, &layer->texmatrix);
11573                                 R_Mesh_TexCombine(0, GL_MODULATE, GL_MODULATE, layertexrgbscale, 1);
11574                                 R_Mesh_TexCoordPointer(0, 2, rsurface.texcoordtexture2f, rsurface.texcoordtexture2f_bufferobject, rsurface.texcoordtexture2f_bufferoffset);
11575                         }
11576                         else
11577                         {
11578                                 R_Mesh_TexBind(0, 0);
11579                                 R_Mesh_TexCoordPointer(0, 2, NULL, 0, 0);
11580                         }
11581                         R_Mesh_TexBind(1, 0);
11582                         R_Mesh_TexCoordPointer(1, 2, NULL, 0, 0);
11583                         // generate a color array for the fog pass
11584                         R_Mesh_ColorPointer(rsurface.array_color4f, 0, 0);
11585                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
11586                         {
11587                                 int i;
11588                                 float f;
11589                                 const float *v;
11590                                 float *c;
11591                                 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
11592                                 for (i = 0, v = (rsurface.vertex3f + 3 * surface->num_firstvertex), c = (rsurface.array_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c += 4)
11593                                 {
11594                                         f = 1 - RSurf_FogVertex(v);
11595                                         c[0] = layercolor[0];
11596                                         c[1] = layercolor[1];
11597                                         c[2] = layercolor[2];
11598                                         c[3] = f * layercolor[3];
11599                                 }
11600                         }
11601                         RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
11602                         break;
11603                 default:
11604                         Con_Printf("R_DrawTextureSurfaceList: unknown layer type %i\n", layer->type);
11605                 }
11606         }
11607         CHECKGLERROR
11608         if (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
11609         {
11610                 qglDepthFunc(GL_LEQUAL);CHECKGLERROR
11611                 GL_AlphaTest(false);
11612         }
11613 }
11614
11615 static void R_DrawTextureSurfaceList_GL11(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth)
11616 {
11617         // OpenGL 1.1 - crusty old voodoo path
11618         int texturesurfaceindex;
11619         qboolean applyfog;
11620         int layerindex;
11621         const texturelayer_t *layer;
11622         RSurf_PrepareVerticesForBatch(true, false, texturenumsurfaces, texturesurfacelist);
11623
11624         for (layerindex = 0, layer = rsurface.texture->currentlayers;layerindex < rsurface.texture->currentnumlayers;layerindex++, layer++)
11625         {
11626                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
11627                 {
11628                         if (layerindex == 0)
11629                                 GL_AlphaTest(true);
11630                         else
11631                         {
11632                                 GL_AlphaTest(false);
11633                                 qglDepthFunc(GL_EQUAL);CHECKGLERROR
11634                         }
11635                 }
11636                 GL_DepthMask(layer->depthmask && writedepth);
11637                 GL_BlendFunc(layer->blendfunc1, layer->blendfunc2);
11638                 R_Mesh_ColorPointer(NULL, 0, 0);
11639                 applyfog = r_refdef.fogenabled && (rsurface.texture->currentmaterialflags & MATERIALFLAG_BLENDED);
11640                 switch (layer->type)
11641                 {
11642                 case TEXTURELAYERTYPE_LITTEXTURE:
11643                         if (layer->blendfunc1 == GL_ONE && layer->blendfunc2 == GL_ZERO)
11644                         {
11645                                 // two-pass lit texture with 2x rgbscale
11646                                 // first the lightmap pass
11647                                 R_Mesh_TexBind(0, r_texture_white);
11648                                 R_Mesh_TexMatrix(0, NULL);
11649                                 R_Mesh_TexCombine(0, GL_MODULATE, GL_MODULATE, 1, 1);
11650                                 R_Mesh_TexCoordPointer(0, 2, rsurface.modeltexcoordlightmap2f, rsurface.modeltexcoordlightmap2f_bufferobject, rsurface.modeltexcoordlightmap2f_bufferoffset);
11651                                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT)
11652                                         RSurf_DrawBatch_GL11_VertexShade(texturenumsurfaces, texturesurfacelist, 1, 1, 1, 1, false, false);
11653                                 else if (FAKELIGHT_ENABLED)
11654                                         RSurf_DrawBatch_GL11_FakeLight(texturenumsurfaces, texturesurfacelist, 1, 1, 1, 1, false, false);
11655                                 else if (rsurface.uselightmaptexture)
11656                                         RSurf_DrawBatch_GL11_Lightmap(texturenumsurfaces, texturesurfacelist, 1, 1, 1, 1, false, false);
11657                                 else
11658                                         RSurf_DrawBatch_GL11_VertexColor(texturenumsurfaces, texturesurfacelist, 1, 1, 1, 1, false, false);
11659                                 // then apply the texture to it
11660                                 GL_BlendFunc(GL_DST_COLOR, GL_SRC_COLOR);
11661                                 R_Mesh_TexBind(0, layer->texture);
11662                                 R_Mesh_TexMatrix(0, &layer->texmatrix);
11663                                 R_Mesh_TexCombine(0, GL_MODULATE, GL_MODULATE, 1, 1);
11664                                 R_Mesh_TexCoordPointer(0, 2, rsurface.texcoordtexture2f, rsurface.texcoordtexture2f_bufferobject, rsurface.texcoordtexture2f_bufferoffset);
11665                                 RSurf_DrawBatch_GL11_Unlit(texturenumsurfaces, texturesurfacelist, layer->color[0] * 0.5f, layer->color[1] * 0.5f, layer->color[2] * 0.5f, layer->color[3], layer->color[0] != 2 || layer->color[1] != 2 || layer->color[2] != 2 || layer->color[3] != 1, false);
11666                         }
11667                         else
11668                         {
11669                                 // single pass vertex-lighting-only texture with 1x rgbscale and transparency support
11670                                 R_Mesh_TexBind(0, layer->texture);
11671                                 R_Mesh_TexMatrix(0, &layer->texmatrix);
11672                                 R_Mesh_TexCombine(0, GL_MODULATE, GL_MODULATE, 1, 1);
11673                                 R_Mesh_TexCoordPointer(0, 2, rsurface.texcoordtexture2f, rsurface.texcoordtexture2f_bufferobject, rsurface.texcoordtexture2f_bufferoffset);
11674                                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT)
11675                                         RSurf_DrawBatch_GL11_VertexShade(texturenumsurfaces, texturesurfacelist, layer->color[0], layer->color[1], layer->color[2], layer->color[3], layer->color[0] != 1 || layer->color[1] != 1 || layer->color[2] != 1 || layer->color[3] != 1, applyfog);
11676                                 else
11677                                         RSurf_DrawBatch_GL11_VertexColor(texturenumsurfaces, texturesurfacelist, layer->color[0], layer->color[1], layer->color[2], layer->color[3], layer->color[0] != 1 || layer->color[1] != 1 || layer->color[2] != 1 || layer->color[3] != 1, applyfog);
11678                         }
11679                         break;
11680                 case TEXTURELAYERTYPE_TEXTURE:
11681                         // singletexture unlit texture with transparency support
11682                         R_Mesh_TexBind(0, layer->texture);
11683                         R_Mesh_TexMatrix(0, &layer->texmatrix);
11684                         R_Mesh_TexCombine(0, GL_MODULATE, GL_MODULATE, 1, 1);
11685                         R_Mesh_TexCoordPointer(0, 2, rsurface.texcoordtexture2f, rsurface.texcoordtexture2f_bufferobject, rsurface.texcoordtexture2f_bufferoffset);
11686                         RSurf_DrawBatch_GL11_Unlit(texturenumsurfaces, texturesurfacelist, layer->color[0], layer->color[1], layer->color[2], layer->color[3], layer->color[0] != 1 || layer->color[1] != 1 || layer->color[2] != 1 || layer->color[3] != 1, applyfog);
11687                         break;
11688                 case TEXTURELAYERTYPE_FOG:
11689                         // singletexture fogging
11690                         if (layer->texture)
11691                         {
11692                                 R_Mesh_TexBind(0, layer->texture);
11693                                 R_Mesh_TexMatrix(0, &layer->texmatrix);
11694                                 R_Mesh_TexCombine(0, GL_MODULATE, GL_MODULATE, 1, 1);
11695                                 R_Mesh_TexCoordPointer(0, 2, rsurface.texcoordtexture2f, rsurface.texcoordtexture2f_bufferobject, rsurface.texcoordtexture2f_bufferoffset);
11696                         }
11697                         else
11698                         {
11699                                 R_Mesh_TexBind(0, 0);
11700                                 R_Mesh_TexCoordPointer(0, 2, NULL, 0, 0);
11701                         }
11702                         // generate a color array for the fog pass
11703                         R_Mesh_ColorPointer(rsurface.array_color4f, 0, 0);
11704                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
11705                         {
11706                                 int i;
11707                                 float f;
11708                                 const float *v;
11709                                 float *c;
11710                                 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
11711                                 for (i = 0, v = (rsurface.vertex3f + 3 * surface->num_firstvertex), c = (rsurface.array_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c += 4)
11712                                 {
11713                                         f = 1 - RSurf_FogVertex(v);
11714                                         c[0] = layer->color[0];
11715                                         c[1] = layer->color[1];
11716                                         c[2] = layer->color[2];
11717                                         c[3] = f * layer->color[3];
11718                                 }
11719                         }
11720                         RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
11721                         break;
11722                 default:
11723                         Con_Printf("R_DrawTextureSurfaceList: unknown layer type %i\n", layer->type);
11724                 }
11725         }
11726         CHECKGLERROR
11727         if (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
11728         {
11729                 qglDepthFunc(GL_LEQUAL);CHECKGLERROR
11730                 GL_AlphaTest(false);
11731         }
11732 }
11733
11734 static void R_DrawTextureSurfaceList_ShowSurfaces3(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth)
11735 {
11736         float c[4];
11737
11738         GL_AlphaTest(false);
11739         R_Mesh_ColorPointer(NULL, 0, 0);
11740         R_Mesh_ResetTextureState();
11741         R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
11742
11743         if(rsurface.texture && rsurface.texture->currentskinframe)
11744         {
11745                 memcpy(c, rsurface.texture->currentskinframe->avgcolor, sizeof(c));
11746                 c[3] *= rsurface.texture->currentalpha;
11747         }
11748         else
11749         {
11750                 c[0] = 1;
11751                 c[1] = 0;
11752                 c[2] = 1;
11753                 c[3] = 1;
11754         }
11755
11756         if (rsurface.texture->pantstexture || rsurface.texture->shirttexture)
11757         {
11758                 c[0] = 0.5 * (rsurface.colormap_pantscolor[0] * 0.3 + rsurface.colormap_shirtcolor[0] * 0.7);
11759                 c[1] = 0.5 * (rsurface.colormap_pantscolor[1] * 0.3 + rsurface.colormap_shirtcolor[1] * 0.7);
11760                 c[2] = 0.5 * (rsurface.colormap_pantscolor[2] * 0.3 + rsurface.colormap_shirtcolor[2] * 0.7);
11761         }
11762
11763         // brighten it up (as texture value 127 means "unlit")
11764         c[0] *= 2 * r_refdef.view.colorscale;
11765         c[1] *= 2 * r_refdef.view.colorscale;
11766         c[2] *= 2 * r_refdef.view.colorscale;
11767
11768         if(rsurface.texture->currentmaterialflags & MATERIALFLAG_WATERALPHA)
11769                 c[3] *= r_wateralpha.value;
11770
11771         if(rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHA && c[3] != 1)
11772         {
11773                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
11774                 GL_DepthMask(false);
11775         }
11776         else if(rsurface.texture->currentmaterialflags & MATERIALFLAG_ADD)
11777         {
11778                 GL_BlendFunc(GL_ONE, GL_ONE);
11779                 GL_DepthMask(false);
11780         }
11781         else if(rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
11782         {
11783                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); // can't do alpha test without texture, so let's blend instead
11784                 GL_DepthMask(false);
11785         }
11786         else if(rsurface.texture->currentmaterialflags & MATERIALFLAG_CUSTOMBLEND)
11787         {
11788                 GL_BlendFunc(rsurface.texture->customblendfunc[0], rsurface.texture->customblendfunc[1]);
11789                 GL_DepthMask(false);
11790         }
11791         else
11792         {
11793                 GL_BlendFunc(GL_ONE, GL_ZERO);
11794                 GL_DepthMask(writedepth);
11795         }
11796
11797         if (rsurface.texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT)
11798         {
11799                 RSurf_PrepareVerticesForBatch(false, false, texturenumsurfaces, texturesurfacelist);
11800
11801                 rsurface.lightmapcolor4f = NULL;
11802                 rsurface.lightmapcolor4f_bufferobject = 0;
11803                 rsurface.lightmapcolor4f_bufferoffset = 0;
11804         }
11805         else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT)
11806         {
11807                 qboolean applycolor = true;
11808                 float one = 1.0;
11809
11810                 RSurf_PrepareVerticesForBatch(true, false, texturenumsurfaces, texturesurfacelist);
11811
11812                 r_refdef.lightmapintensity = 1;
11813                 RSurf_DrawBatch_GL11_ApplyVertexShade(texturenumsurfaces, texturesurfacelist, &one, &one, &one, &one, &applycolor);
11814                 r_refdef.lightmapintensity = 0; // we're in showsurfaces, after all
11815         }
11816         else if (FAKELIGHT_ENABLED)
11817         {
11818                 RSurf_PrepareVerticesForBatch(true, false, texturenumsurfaces, texturesurfacelist);
11819
11820                 r_refdef.lightmapintensity = r_fakelight_intensity.value;
11821                 RSurf_DrawBatch_GL11_ApplyFakeLight(texturenumsurfaces, texturesurfacelist);
11822                 r_refdef.lightmapintensity = 0; // we're in showsurfaces, after all
11823         }
11824         else
11825         {
11826                 RSurf_PrepareVerticesForBatch(false, false, texturenumsurfaces, texturesurfacelist);
11827
11828                 rsurface.lightmapcolor4f = rsurface.modellightmapcolor4f;
11829                 rsurface.lightmapcolor4f_bufferobject = rsurface.modellightmapcolor4f_bufferobject;
11830                 rsurface.lightmapcolor4f_bufferoffset = rsurface.modellightmapcolor4f_bufferoffset;
11831         }
11832
11833         if(!rsurface.lightmapcolor4f)
11834                 RSurf_DrawBatch_GL11_MakeFullbrightLightmapColorArray(texturenumsurfaces, texturesurfacelist);
11835
11836         RSurf_DrawBatch_GL11_ApplyAmbient(texturenumsurfaces, texturesurfacelist);
11837         RSurf_DrawBatch_GL11_ApplyColor(texturenumsurfaces, texturesurfacelist, c[0], c[1], c[2], c[3]);
11838         if(r_refdef.fogenabled)
11839                 RSurf_DrawBatch_GL11_ApplyFogToFinishedVertexColors(texturenumsurfaces, texturesurfacelist);
11840
11841         R_Mesh_ColorPointer(rsurface.lightmapcolor4f, rsurface.lightmapcolor4f_bufferobject, rsurface.lightmapcolor4f_bufferoffset);
11842         RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
11843 }
11844
11845 static void R_DrawWorldTextureSurfaceList(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth, qboolean prepass)
11846 {
11847         CHECKGLERROR
11848         RSurf_SetupDepthAndCulling();
11849         if (r_showsurfaces.integer == 3 && !prepass && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_SKY))
11850         {
11851                 R_DrawTextureSurfaceList_ShowSurfaces3(texturenumsurfaces, texturesurfacelist, writedepth);
11852                 return;
11853         }
11854         switch (vid.renderpath)
11855         {
11856         case RENDERPATH_GL20:
11857         case RENDERPATH_CGGL:
11858                 R_DrawTextureSurfaceList_GL20(texturenumsurfaces, texturesurfacelist, writedepth, prepass);
11859                 break;
11860         case RENDERPATH_GL13:
11861                 R_DrawTextureSurfaceList_GL13(texturenumsurfaces, texturesurfacelist, writedepth);
11862                 break;
11863         case RENDERPATH_GL11:
11864                 R_DrawTextureSurfaceList_GL11(texturenumsurfaces, texturesurfacelist, writedepth);
11865                 break;
11866         }
11867         CHECKGLERROR
11868 }
11869
11870 static void R_DrawModelTextureSurfaceList(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth, qboolean prepass)
11871 {
11872         CHECKGLERROR
11873         RSurf_SetupDepthAndCulling();
11874         if (r_showsurfaces.integer == 3 && !prepass && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_SKY))
11875         {
11876                 R_DrawTextureSurfaceList_ShowSurfaces3(texturenumsurfaces, texturesurfacelist, writedepth);
11877                 return;
11878         }
11879         switch (vid.renderpath)
11880         {
11881         case RENDERPATH_GL20:
11882         case RENDERPATH_CGGL:
11883                 R_DrawTextureSurfaceList_GL20(texturenumsurfaces, texturesurfacelist, writedepth, prepass);
11884                 break;
11885         case RENDERPATH_GL13:
11886                 R_DrawTextureSurfaceList_GL13(texturenumsurfaces, texturesurfacelist, writedepth);
11887                 break;
11888         case RENDERPATH_GL11:
11889                 R_DrawTextureSurfaceList_GL11(texturenumsurfaces, texturesurfacelist, writedepth);
11890                 break;
11891         }
11892         CHECKGLERROR
11893 }
11894
11895 static void R_DrawSurface_TransparentCallback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
11896 {
11897         int i, j;
11898         int texturenumsurfaces, endsurface;
11899         texture_t *texture;
11900         const msurface_t *surface;
11901 #define MAXBATCH_TRANSPARENTSURFACES 256
11902         const msurface_t *texturesurfacelist[MAXBATCH_TRANSPARENTSURFACES];
11903
11904         // if the model is static it doesn't matter what value we give for
11905         // wantnormals and wanttangents, so this logic uses only rules applicable
11906         // to a model, knowing that they are meaningless otherwise
11907         if (ent == r_refdef.scene.worldentity)
11908                 RSurf_ActiveWorldEntity();
11909         else if (r_showsurfaces.integer && r_showsurfaces.integer != 3)
11910                 RSurf_ActiveModelEntity(ent, false, false, false);
11911         else
11912         {
11913                 switch (vid.renderpath)
11914                 {
11915                 case RENDERPATH_GL20:
11916                 case RENDERPATH_CGGL:
11917                         RSurf_ActiveModelEntity(ent, true, true, false);
11918                         break;
11919                 case RENDERPATH_GL13:
11920                 case RENDERPATH_GL11:
11921                         RSurf_ActiveModelEntity(ent, true, false, false);
11922                         break;
11923                 }
11924         }
11925
11926         if (r_transparentdepthmasking.integer)
11927         {
11928                 qboolean setup = false;
11929                 for (i = 0;i < numsurfaces;i = j)
11930                 {
11931                         j = i + 1;
11932                         surface = rsurface.modelsurfaces + surfacelist[i];
11933                         texture = surface->texture;
11934                         rsurface.texture = R_GetCurrentTexture(texture);
11935                         // scan ahead until we find a different texture
11936                         endsurface = min(i + 1024, numsurfaces);
11937                         texturenumsurfaces = 0;
11938                         texturesurfacelist[texturenumsurfaces++] = surface;
11939                         if(FAKELIGHT_ENABLED)
11940                         {
11941                                 rsurface.uselightmaptexture = false;
11942                                 for (;j < endsurface;j++)
11943                                 {
11944                                         surface = rsurface.modelsurfaces + surfacelist[j];
11945                                         if (texture != surface->texture)
11946                                                 break;
11947                                         texturesurfacelist[texturenumsurfaces++] = surface;
11948                                 }
11949                         }
11950                         else
11951                         {
11952                                 rsurface.uselightmaptexture = surface->lightmaptexture != NULL;
11953                                 for (;j < endsurface;j++)
11954                                 {
11955                                         surface = rsurface.modelsurfaces + surfacelist[j];
11956                                         if (texture != surface->texture || rsurface.uselightmaptexture != (surface->lightmaptexture != NULL))
11957                                                 break;
11958                                         texturesurfacelist[texturenumsurfaces++] = surface;
11959                                 }
11960                         }
11961                         if (!(rsurface.texture->currentmaterialflags & MATERIALFLAG_TRANSDEPTH))
11962                                 continue;
11963                         // render the range of surfaces as depth
11964                         if (!setup)
11965                         {
11966                                 setup = true;
11967                                 GL_ColorMask(0,0,0,0);
11968                                 GL_Color(1,1,1,1);
11969                                 GL_DepthTest(true);
11970                                 GL_BlendFunc(GL_ONE, GL_ZERO);
11971                                 GL_DepthMask(true);
11972                                 GL_AlphaTest(false);
11973                                 R_Mesh_ColorPointer(NULL, 0, 0);
11974                                 R_Mesh_ResetTextureState();
11975                                 R_SetupShader_DepthOrShadow();
11976                         }
11977                         RSurf_SetupDepthAndCulling();
11978                         RSurf_PrepareVerticesForBatch(false, false, texturenumsurfaces, texturesurfacelist);
11979                         RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
11980                 }
11981                 if (setup)
11982                         GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1);
11983         }
11984
11985         for (i = 0;i < numsurfaces;i = j)
11986         {
11987                 j = i + 1;
11988                 surface = rsurface.modelsurfaces + surfacelist[i];
11989                 texture = surface->texture;
11990                 rsurface.texture = R_GetCurrentTexture(texture);
11991                 // scan ahead until we find a different texture
11992                 endsurface = min(i + MAXBATCH_TRANSPARENTSURFACES, numsurfaces);
11993                 texturenumsurfaces = 0;
11994                 texturesurfacelist[texturenumsurfaces++] = surface;
11995                 if(FAKELIGHT_ENABLED)
11996                 {
11997                         rsurface.uselightmaptexture = false;
11998                         for (;j < endsurface;j++)
11999                         {
12000                                 surface = rsurface.modelsurfaces + surfacelist[j];
12001                                 if (texture != surface->texture)
12002                                         break;
12003                                 texturesurfacelist[texturenumsurfaces++] = surface;
12004                         }
12005                 }
12006                 else
12007                 {
12008                         rsurface.uselightmaptexture = surface->lightmaptexture != NULL;
12009                         for (;j < endsurface;j++)
12010                         {
12011                                 surface = rsurface.modelsurfaces + surfacelist[j];
12012                                 if (texture != surface->texture || rsurface.uselightmaptexture != (surface->lightmaptexture != NULL))
12013                                         break;
12014                                 texturesurfacelist[texturenumsurfaces++] = surface;
12015                         }
12016                 }
12017                 // render the range of surfaces
12018                 if (ent == r_refdef.scene.worldentity)
12019                         R_DrawWorldTextureSurfaceList(texturenumsurfaces, texturesurfacelist, false, false);
12020                 else
12021                         R_DrawModelTextureSurfaceList(texturenumsurfaces, texturesurfacelist, false, false);
12022         }
12023         rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
12024         GL_AlphaTest(false);
12025 }
12026
12027 static void R_ProcessTransparentTextureSurfaceList(int texturenumsurfaces, const msurface_t **texturesurfacelist, const entity_render_t *queueentity)
12028 {
12029         // transparent surfaces get pushed off into the transparent queue
12030         int surfacelistindex;
12031         const msurface_t *surface;
12032         vec3_t tempcenter, center;
12033         for (surfacelistindex = 0;surfacelistindex < texturenumsurfaces;surfacelistindex++)
12034         {
12035                 surface = texturesurfacelist[surfacelistindex];
12036                 tempcenter[0] = (surface->mins[0] + surface->maxs[0]) * 0.5f;
12037                 tempcenter[1] = (surface->mins[1] + surface->maxs[1]) * 0.5f;
12038                 tempcenter[2] = (surface->mins[2] + surface->maxs[2]) * 0.5f;
12039                 Matrix4x4_Transform(&rsurface.matrix, tempcenter, center);
12040                 if (queueentity->transparent_offset) // transparent offset
12041                 {
12042                         center[0] += r_refdef.view.forward[0]*queueentity->transparent_offset;
12043                         center[1] += r_refdef.view.forward[1]*queueentity->transparent_offset;
12044                         center[2] += r_refdef.view.forward[2]*queueentity->transparent_offset;
12045                 }
12046                 R_MeshQueue_AddTransparent(rsurface.texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST ? r_refdef.view.origin : center, R_DrawSurface_TransparentCallback, queueentity, surface - rsurface.modelsurfaces, rsurface.rtlight);
12047         }
12048 }
12049
12050 static void R_ProcessWorldTextureSurfaceList(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth, qboolean depthonly, qboolean prepass)
12051 {
12052         const entity_render_t *queueentity = r_refdef.scene.worldentity;
12053         CHECKGLERROR
12054         if (depthonly)
12055         {
12056                 if ((rsurface.texture->currentmaterialflags & (MATERIALFLAG_NODEPTHTEST | MATERIALFLAG_BLENDED | MATERIALFLAG_ALPHATEST)))
12057                         return;
12058                 if (r_waterstate.renderingscene && (rsurface.texture->currentmaterialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFLECTION)))
12059                         return;
12060                 RSurf_SetupDepthAndCulling();
12061                 RSurf_PrepareVerticesForBatch(false, false, texturenumsurfaces, texturesurfacelist);
12062                 RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
12063         }
12064         else if (prepass)
12065         {
12066                 if (!rsurface.texture->currentnumlayers)
12067                         return;
12068                 if (rsurface.texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED)
12069                         R_ProcessTransparentTextureSurfaceList(texturenumsurfaces, texturesurfacelist, queueentity);
12070                 else
12071                         R_DrawWorldTextureSurfaceList(texturenumsurfaces, texturesurfacelist, writedepth, prepass);
12072         }
12073         else if (r_showsurfaces.integer && !r_refdef.view.showdebug && !prepass)
12074         {
12075                 RSurf_SetupDepthAndCulling();
12076                 GL_AlphaTest(false);
12077                 R_Mesh_ColorPointer(NULL, 0, 0);
12078                 R_Mesh_ResetTextureState();
12079                 R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
12080                 RSurf_PrepareVerticesForBatch(false, false, texturenumsurfaces, texturesurfacelist);
12081                 GL_DepthMask(true);
12082                 GL_BlendFunc(GL_ONE, GL_ZERO);
12083                 GL_Color(0, 0, 0, 1);
12084                 GL_DepthTest(writedepth);
12085                 RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
12086         }
12087         else if (r_showsurfaces.integer && r_showsurfaces.integer != 3 && !prepass)
12088         {
12089                 RSurf_SetupDepthAndCulling();
12090                 GL_AlphaTest(false);
12091                 R_Mesh_ColorPointer(NULL, 0, 0);
12092                 R_Mesh_ResetTextureState();
12093                 R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
12094                 RSurf_PrepareVerticesForBatch(false, false, texturenumsurfaces, texturesurfacelist);
12095                 GL_DepthMask(true);
12096                 GL_BlendFunc(GL_ONE, GL_ZERO);
12097                 GL_DepthTest(true);
12098                 RSurf_DrawBatch_ShowSurfaces(texturenumsurfaces, texturesurfacelist);
12099         }
12100         else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_SKY)
12101                 R_DrawTextureSurfaceList_Sky(texturenumsurfaces, texturesurfacelist);
12102         else if (!rsurface.texture->currentnumlayers)
12103                 return;
12104         else if (((rsurface.texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED) || (r_showsurfaces.integer == 3 && (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST))) && queueentity)
12105         {
12106                 // in the deferred case, transparent surfaces were queued during prepass
12107                 if (!r_shadow_usingdeferredprepass)
12108                         R_ProcessTransparentTextureSurfaceList(texturenumsurfaces, texturesurfacelist, queueentity);
12109         }
12110         else
12111         {
12112                 // the alphatest check is to make sure we write depth for anything we skipped on the depth-only pass earlier
12113                 R_DrawWorldTextureSurfaceList(texturenumsurfaces, texturesurfacelist, writedepth || (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST), prepass);
12114         }
12115         CHECKGLERROR
12116 }
12117
12118 void R_QueueWorldSurfaceList(int numsurfaces, const msurface_t **surfacelist, int flagsmask, qboolean writedepth, qboolean depthonly, qboolean prepass)
12119 {
12120         int i, j;
12121         texture_t *texture;
12122         // break the surface list down into batches by texture and use of lightmapping
12123         for (i = 0;i < numsurfaces;i = j)
12124         {
12125                 j = i + 1;
12126                 // texture is the base texture pointer, rsurface.texture is the
12127                 // current frame/skin the texture is directing us to use (for example
12128                 // if a model has 2 skins and it is on skin 1, then skin 0 tells us to
12129                 // use skin 1 instead)
12130                 texture = surfacelist[i]->texture;
12131                 rsurface.texture = R_GetCurrentTexture(texture);
12132                 if (!(rsurface.texture->currentmaterialflags & flagsmask) || (rsurface.texture->currentmaterialflags & MATERIALFLAG_NODRAW))
12133                 {
12134                         // if this texture is not the kind we want, skip ahead to the next one
12135                         for (;j < numsurfaces && texture == surfacelist[j]->texture;j++)
12136                                 ;
12137                         continue;
12138                 }
12139                 if(FAKELIGHT_ENABLED || depthonly || prepass)
12140                 {
12141                         rsurface.uselightmaptexture = false;
12142                         // simply scan ahead until we find a different texture or lightmap state
12143                         for (;j < numsurfaces && texture == surfacelist[j]->texture;j++)
12144                                 ;
12145                 }
12146                 else
12147                 {
12148                         rsurface.uselightmaptexture = surfacelist[i]->lightmaptexture != NULL;
12149                         // simply scan ahead until we find a different texture or lightmap state
12150                         for (;j < numsurfaces && texture == surfacelist[j]->texture && rsurface.uselightmaptexture == (surfacelist[j]->lightmaptexture != NULL);j++)
12151                                 ;
12152                 }
12153                 // render the range of surfaces
12154                 R_ProcessWorldTextureSurfaceList(j - i, surfacelist + i, writedepth, depthonly, prepass);
12155         }
12156 }
12157
12158 static void R_ProcessModelTextureSurfaceList(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth, qboolean depthonly, const entity_render_t *queueentity, qboolean prepass)
12159 {
12160         CHECKGLERROR
12161         if (depthonly)
12162         {
12163                 if ((rsurface.texture->currentmaterialflags & (MATERIALFLAG_NODEPTHTEST | MATERIALFLAG_BLENDED | MATERIALFLAG_ALPHATEST)))
12164                         return;
12165                 if (r_waterstate.renderingscene && (rsurface.texture->currentmaterialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFLECTION)))
12166                         return;
12167                 RSurf_SetupDepthAndCulling();
12168                 RSurf_PrepareVerticesForBatch(false, false, texturenumsurfaces, texturesurfacelist);
12169                 RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
12170         }
12171         else if (prepass)
12172         {
12173                 if (!rsurface.texture->currentnumlayers)
12174                         return;
12175                 if (rsurface.texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED)
12176                         R_ProcessTransparentTextureSurfaceList(texturenumsurfaces, texturesurfacelist, queueentity);
12177                 else
12178                         R_DrawModelTextureSurfaceList(texturenumsurfaces, texturesurfacelist, writedepth, prepass);
12179         }
12180         else if (r_showsurfaces.integer && !r_refdef.view.showdebug)
12181         {
12182                 RSurf_SetupDepthAndCulling();
12183                 GL_AlphaTest(false);
12184                 R_Mesh_ColorPointer(NULL, 0, 0);
12185                 R_Mesh_ResetTextureState();
12186                 R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
12187                 RSurf_PrepareVerticesForBatch(false, false, texturenumsurfaces, texturesurfacelist);
12188                 GL_DepthMask(true);
12189                 GL_BlendFunc(GL_ONE, GL_ZERO);
12190                 GL_Color(0, 0, 0, 1);
12191                 GL_DepthTest(writedepth);
12192                 RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
12193         }
12194         else if (r_showsurfaces.integer && r_showsurfaces.integer != 3)
12195         {
12196                 RSurf_SetupDepthAndCulling();
12197                 GL_AlphaTest(false);
12198                 R_Mesh_ColorPointer(NULL, 0, 0);
12199                 R_Mesh_ResetTextureState();
12200                 R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
12201                 RSurf_PrepareVerticesForBatch(false, false, texturenumsurfaces, texturesurfacelist);
12202                 GL_DepthMask(true);
12203                 GL_BlendFunc(GL_ONE, GL_ZERO);
12204                 GL_DepthTest(true);
12205                 RSurf_DrawBatch_ShowSurfaces(texturenumsurfaces, texturesurfacelist);
12206         }
12207         else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_SKY)
12208                 R_DrawTextureSurfaceList_Sky(texturenumsurfaces, texturesurfacelist);
12209         else if (!rsurface.texture->currentnumlayers)
12210                 return;
12211         else if (((rsurface.texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED) || (r_showsurfaces.integer == 3 && (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST))) && queueentity)
12212         {
12213                 // in the deferred case, transparent surfaces were queued during prepass
12214                 if (!r_shadow_usingdeferredprepass)
12215                         R_ProcessTransparentTextureSurfaceList(texturenumsurfaces, texturesurfacelist, queueentity);
12216         }
12217         else
12218         {
12219                 // the alphatest check is to make sure we write depth for anything we skipped on the depth-only pass earlier
12220                 R_DrawModelTextureSurfaceList(texturenumsurfaces, texturesurfacelist, writedepth || (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST), prepass);
12221         }
12222         CHECKGLERROR
12223 }
12224
12225 void R_QueueModelSurfaceList(entity_render_t *ent, int numsurfaces, const msurface_t **surfacelist, int flagsmask, qboolean writedepth, qboolean depthonly, qboolean prepass)
12226 {
12227         int i, j;
12228         texture_t *texture;
12229         // break the surface list down into batches by texture and use of lightmapping
12230         for (i = 0;i < numsurfaces;i = j)
12231         {
12232                 j = i + 1;
12233                 // texture is the base texture pointer, rsurface.texture is the
12234                 // current frame/skin the texture is directing us to use (for example
12235                 // if a model has 2 skins and it is on skin 1, then skin 0 tells us to
12236                 // use skin 1 instead)
12237                 texture = surfacelist[i]->texture;
12238                 rsurface.texture = R_GetCurrentTexture(texture);
12239                 if (!(rsurface.texture->currentmaterialflags & flagsmask) || (rsurface.texture->currentmaterialflags & MATERIALFLAG_NODRAW))
12240                 {
12241                         // if this texture is not the kind we want, skip ahead to the next one
12242                         for (;j < numsurfaces && texture == surfacelist[j]->texture;j++)
12243                                 ;
12244                         continue;
12245                 }
12246                 if(FAKELIGHT_ENABLED || depthonly || prepass)
12247                 {
12248                         rsurface.uselightmaptexture = false;
12249                         // simply scan ahead until we find a different texture or lightmap state
12250                         for (;j < numsurfaces && texture == surfacelist[j]->texture;j++)
12251                                 ;
12252                 }
12253                 else
12254                 {
12255                         rsurface.uselightmaptexture = surfacelist[i]->lightmaptexture != NULL;
12256                         // simply scan ahead until we find a different texture or lightmap state
12257                         for (;j < numsurfaces && texture == surfacelist[j]->texture && rsurface.uselightmaptexture == (surfacelist[j]->lightmaptexture != NULL);j++)
12258                                 ;
12259                 }
12260                 // render the range of surfaces
12261                 R_ProcessModelTextureSurfaceList(j - i, surfacelist + i, writedepth, depthonly, ent, prepass);
12262         }
12263 }
12264
12265 float locboxvertex3f[6*4*3] =
12266 {
12267         1,0,1, 1,0,0, 1,1,0, 1,1,1,
12268         0,1,1, 0,1,0, 0,0,0, 0,0,1,
12269         1,1,1, 1,1,0, 0,1,0, 0,1,1,
12270         0,0,1, 0,0,0, 1,0,0, 1,0,1,
12271         0,0,1, 1,0,1, 1,1,1, 0,1,1,
12272         1,0,0, 0,0,0, 0,1,0, 1,1,0
12273 };
12274
12275 unsigned short locboxelements[6*2*3] =
12276 {
12277          0, 1, 2, 0, 2, 3,
12278          4, 5, 6, 4, 6, 7,
12279          8, 9,10, 8,10,11,
12280         12,13,14, 12,14,15,
12281         16,17,18, 16,18,19,
12282         20,21,22, 20,22,23
12283 };
12284
12285 void R_DrawLoc_Callback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
12286 {
12287         int i, j;
12288         cl_locnode_t *loc = (cl_locnode_t *)ent;
12289         vec3_t mins, size;
12290         float vertex3f[6*4*3];
12291         CHECKGLERROR
12292         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
12293         GL_DepthMask(false);
12294         GL_DepthRange(0, 1);
12295         GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
12296         GL_DepthTest(true);
12297         GL_CullFace(GL_NONE);
12298         R_EntityMatrix(&identitymatrix);
12299
12300         R_Mesh_VertexPointer(vertex3f, 0, 0);
12301         R_Mesh_ColorPointer(NULL, 0, 0);
12302         R_Mesh_ResetTextureState();
12303         R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
12304
12305         i = surfacelist[0];
12306         GL_Color(((i & 0x0007) >> 0) * (1.0f / 7.0f) * r_refdef.view.colorscale,
12307                          ((i & 0x0038) >> 3) * (1.0f / 7.0f) * r_refdef.view.colorscale,
12308                          ((i & 0x01C0) >> 6) * (1.0f / 7.0f) * r_refdef.view.colorscale,
12309                         surfacelist[0] < 0 ? 0.5f : 0.125f);
12310
12311         if (VectorCompare(loc->mins, loc->maxs))
12312         {
12313                 VectorSet(size, 2, 2, 2);
12314                 VectorMA(loc->mins, -0.5f, size, mins);
12315         }
12316         else
12317         {
12318                 VectorCopy(loc->mins, mins);
12319                 VectorSubtract(loc->maxs, loc->mins, size);
12320         }
12321
12322         for (i = 0;i < 6*4*3;)
12323                 for (j = 0;j < 3;j++, i++)
12324                         vertex3f[i] = mins[j] + size[j] * locboxvertex3f[i];
12325
12326         R_Mesh_Draw(0, 6*4, 0, 6*2, NULL, locboxelements, 0, 0);
12327 }
12328
12329 void R_DrawLocs(void)
12330 {
12331         int index;
12332         cl_locnode_t *loc, *nearestloc;
12333         vec3_t center;
12334         nearestloc = CL_Locs_FindNearest(cl.movement_origin);
12335         for (loc = cl.locnodes, index = 0;loc;loc = loc->next, index++)
12336         {
12337                 VectorLerp(loc->mins, 0.5f, loc->maxs, center);
12338                 R_MeshQueue_AddTransparent(center, R_DrawLoc_Callback, (entity_render_t *)loc, loc == nearestloc ? -1 : index, NULL);
12339         }
12340 }
12341
12342 void R_DecalSystem_Reset(decalsystem_t *decalsystem)
12343 {
12344         if (decalsystem->decals)
12345                 Mem_Free(decalsystem->decals);
12346         memset(decalsystem, 0, sizeof(*decalsystem));
12347 }
12348
12349 static void R_DecalSystem_SpawnTriangle(decalsystem_t *decalsystem, const float *v0, const float *v1, const float *v2, const float *t0, const float *t1, const float *t2, const float *c0, const float *c1, const float *c2, int triangleindex, int surfaceindex, int decalsequence)
12350 {
12351         tridecal_t *decal;
12352         tridecal_t *decals;
12353         int i;
12354
12355         // expand or initialize the system
12356         if (decalsystem->maxdecals <= decalsystem->numdecals)
12357         {
12358                 decalsystem_t old = *decalsystem;
12359                 qboolean useshortelements;
12360                 decalsystem->maxdecals = max(16, decalsystem->maxdecals * 2);
12361                 useshortelements = decalsystem->maxdecals * 3 <= 65536;
12362                 decalsystem->decals = Mem_Alloc(cls.levelmempool, decalsystem->maxdecals * (sizeof(tridecal_t) + sizeof(float[3][3]) + sizeof(float[3][2]) + sizeof(float[3][4]) + sizeof(int[3]) + (useshortelements ? sizeof(unsigned short[3]) : 0)));
12363                 decalsystem->color4f = (float *)(decalsystem->decals + decalsystem->maxdecals);
12364                 decalsystem->texcoord2f = (float *)(decalsystem->color4f + decalsystem->maxdecals*12);
12365                 decalsystem->vertex3f = (float *)(decalsystem->texcoord2f + decalsystem->maxdecals*6);
12366                 decalsystem->element3i = (int *)(decalsystem->vertex3f + decalsystem->maxdecals*9);
12367                 decalsystem->element3s = (useshortelements ? ((unsigned short *)(decalsystem->element3i + decalsystem->maxdecals*3)) : NULL);
12368                 if (decalsystem->numdecals)
12369                         memcpy(decalsystem->decals, old.decals, decalsystem->numdecals * sizeof(tridecal_t));
12370                 if (old.decals)
12371                         Mem_Free(old.decals);
12372                 for (i = 0;i < decalsystem->maxdecals*3;i++)
12373                         decalsystem->element3i[i] = i;
12374                 if (useshortelements)
12375                         for (i = 0;i < decalsystem->maxdecals*3;i++)
12376                                 decalsystem->element3s[i] = i;
12377         }
12378
12379         // grab a decal and search for another free slot for the next one
12380         decals = decalsystem->decals;
12381         decal = decalsystem->decals + (i = decalsystem->freedecal++);
12382         for (i = decalsystem->freedecal;i < decalsystem->numdecals && decals[i].color4ub[0][3];i++)
12383                 ;
12384         decalsystem->freedecal = i;
12385         if (decalsystem->numdecals <= i)
12386                 decalsystem->numdecals = i + 1;
12387
12388         // initialize the decal
12389         decal->lived = 0;
12390         decal->triangleindex = triangleindex;
12391         decal->surfaceindex = surfaceindex;
12392         decal->decalsequence = decalsequence;
12393         decal->color4ub[0][0] = (unsigned char)(c0[0]*255.0f);
12394         decal->color4ub[0][1] = (unsigned char)(c0[1]*255.0f);
12395         decal->color4ub[0][2] = (unsigned char)(c0[2]*255.0f);
12396         decal->color4ub[0][3] = 255;
12397         decal->color4ub[1][0] = (unsigned char)(c1[0]*255.0f);
12398         decal->color4ub[1][1] = (unsigned char)(c1[1]*255.0f);
12399         decal->color4ub[1][2] = (unsigned char)(c1[2]*255.0f);
12400         decal->color4ub[1][3] = 255;
12401         decal->color4ub[2][0] = (unsigned char)(c2[0]*255.0f);
12402         decal->color4ub[2][1] = (unsigned char)(c2[1]*255.0f);
12403         decal->color4ub[2][2] = (unsigned char)(c2[2]*255.0f);
12404         decal->color4ub[2][3] = 255;
12405         decal->vertex3f[0][0] = v0[0];
12406         decal->vertex3f[0][1] = v0[1];
12407         decal->vertex3f[0][2] = v0[2];
12408         decal->vertex3f[1][0] = v1[0];
12409         decal->vertex3f[1][1] = v1[1];
12410         decal->vertex3f[1][2] = v1[2];
12411         decal->vertex3f[2][0] = v2[0];
12412         decal->vertex3f[2][1] = v2[1];
12413         decal->vertex3f[2][2] = v2[2];
12414         decal->texcoord2f[0][0] = t0[0];
12415         decal->texcoord2f[0][1] = t0[1];
12416         decal->texcoord2f[1][0] = t1[0];
12417         decal->texcoord2f[1][1] = t1[1];
12418         decal->texcoord2f[2][0] = t2[0];
12419         decal->texcoord2f[2][1] = t2[1];
12420 }
12421
12422 extern cvar_t cl_decals_bias;
12423 extern cvar_t cl_decals_models;
12424 extern cvar_t cl_decals_newsystem_intensitymultiplier;
12425 // baseparms, parms, temps
12426 static void R_DecalSystem_SplatTriangle(decalsystem_t *decalsystem, float r, float g, float b, float a, float s1, float t1, float s2, float t2, int decalsequence, qboolean dynamic, float (*planes)[4], matrix4x4_t *projection, int triangleindex, int surfaceindex)
12427 {
12428         int cornerindex;
12429         int index;
12430         float v[9][3];
12431         const float *vertex3f;
12432         int numpoints;
12433         float points[2][9][3];
12434         float temp[3];
12435         float tc[9][2];
12436         float f;
12437         float c[9][4];
12438         const int *e;
12439
12440         e = rsurface.modelelement3i + 3*triangleindex;
12441
12442         vertex3f = rsurface.modelvertex3f;
12443
12444         for (cornerindex = 0;cornerindex < 3;cornerindex++)
12445         {
12446                 index = 3*e[cornerindex];
12447                 VectorCopy(vertex3f + index, v[cornerindex]);
12448         }
12449         // cull backfaces
12450         //TriangleNormal(v[0], v[1], v[2], normal);
12451         //if (DotProduct(normal, localnormal) < 0.0f)
12452         //      continue;
12453         // clip by each of the box planes formed from the projection matrix
12454         // if anything survives, we emit the decal
12455         numpoints = PolygonF_Clip(3        , v[0]        , planes[0][0], planes[0][1], planes[0][2], planes[0][3], 1.0f/64.0f, sizeof(points[0])/sizeof(points[0][0]), points[1][0]);
12456         if (numpoints < 3)
12457                 return;
12458         numpoints = PolygonF_Clip(numpoints, points[1][0], planes[1][0], planes[1][1], planes[1][2], planes[1][3], 1.0f/64.0f, sizeof(points[0])/sizeof(points[0][0]), points[0][0]);
12459         if (numpoints < 3)
12460                 return;
12461         numpoints = PolygonF_Clip(numpoints, points[0][0], planes[2][0], planes[2][1], planes[2][2], planes[2][3], 1.0f/64.0f, sizeof(points[0])/sizeof(points[0][0]), points[1][0]);
12462         if (numpoints < 3)
12463                 return;
12464         numpoints = PolygonF_Clip(numpoints, points[1][0], planes[3][0], planes[3][1], planes[3][2], planes[3][3], 1.0f/64.0f, sizeof(points[0])/sizeof(points[0][0]), points[0][0]);
12465         if (numpoints < 3)
12466                 return;
12467         numpoints = PolygonF_Clip(numpoints, points[0][0], planes[4][0], planes[4][1], planes[4][2], planes[4][3], 1.0f/64.0f, sizeof(points[0])/sizeof(points[0][0]), points[1][0]);
12468         if (numpoints < 3)
12469                 return;
12470         numpoints = PolygonF_Clip(numpoints, points[1][0], planes[5][0], planes[5][1], planes[5][2], planes[5][3], 1.0f/64.0f, sizeof(points[0])/sizeof(points[0][0]), v[0]);
12471         if (numpoints < 3)
12472                 return;
12473         // some part of the triangle survived, so we have to accept it...
12474         if (dynamic)
12475         {
12476                 // dynamic always uses the original triangle
12477                 numpoints = 3;
12478                 for (cornerindex = 0;cornerindex < 3;cornerindex++)
12479                 {
12480                         index = 3*e[cornerindex];
12481                         VectorCopy(vertex3f + index, v[cornerindex]);
12482                 }
12483         }
12484         for (cornerindex = 0;cornerindex < numpoints;cornerindex++)
12485         {
12486                 // convert vertex positions to texcoords
12487                 Matrix4x4_Transform(projection, v[cornerindex], temp);
12488                 tc[cornerindex][0] = (temp[1]+1.0f)*0.5f * (s2-s1) + s1;
12489                 tc[cornerindex][1] = (temp[2]+1.0f)*0.5f * (t2-t1) + t1;
12490                 // calculate distance fade from the projection origin
12491                 f = a * (1.0f-fabs(temp[0])) * cl_decals_newsystem_intensitymultiplier.value;
12492                 f = bound(0.0f, f, 1.0f);
12493                 c[cornerindex][0] = r * f;
12494                 c[cornerindex][1] = g * f;
12495                 c[cornerindex][2] = b * f;
12496                 c[cornerindex][3] = 1.0f;
12497                 //VectorMA(v[cornerindex], cl_decals_bias.value, localnormal, v[cornerindex]);
12498         }
12499         if (dynamic)
12500                 R_DecalSystem_SpawnTriangle(decalsystem, v[0], v[1], v[2], tc[0], tc[1], tc[2], c[0], c[1], c[2], triangleindex, surfaceindex, decalsequence);
12501         else
12502                 for (cornerindex = 0;cornerindex < numpoints-2;cornerindex++)
12503                         R_DecalSystem_SpawnTriangle(decalsystem, v[0], v[cornerindex+1], v[cornerindex+2], tc[0], tc[cornerindex+1], tc[cornerindex+2], c[0], c[cornerindex+1], c[cornerindex+2], -1, surfaceindex, decalsequence);
12504 }
12505 static void R_DecalSystem_SplatEntity(entity_render_t *ent, const vec3_t worldorigin, const vec3_t worldnormal, float r, float g, float b, float a, float s1, float t1, float s2, float t2, float worldsize, int decalsequence)
12506 {
12507         matrix4x4_t projection;
12508         decalsystem_t *decalsystem;
12509         qboolean dynamic;
12510         dp_model_t *model;
12511         const msurface_t *surface;
12512         const msurface_t *surfaces;
12513         const int *surfacelist;
12514         const texture_t *texture;
12515         int numtriangles;
12516         int numsurfacelist;
12517         int surfacelistindex;
12518         int surfaceindex;
12519         int triangleindex;
12520         float localorigin[3];
12521         float localnormal[3];
12522         float localmins[3];
12523         float localmaxs[3];
12524         float localsize;
12525         //float normal[3];
12526         float planes[6][4];
12527         float angles[3];
12528         bih_t *bih;
12529         int bih_triangles_count;
12530         int bih_triangles[256];
12531         int bih_surfaces[256];
12532
12533         decalsystem = &ent->decalsystem;
12534         model = ent->model;
12535         if (!model || !ent->allowdecals || ent->alpha < 1 || (ent->flags & (RENDER_ADDITIVE | RENDER_NODEPTHTEST)))
12536         {
12537                 R_DecalSystem_Reset(&ent->decalsystem);
12538                 return;
12539         }
12540
12541         if (!model->brush.data_nodes && !cl_decals_models.integer)
12542         {
12543                 if (decalsystem->model)
12544                         R_DecalSystem_Reset(decalsystem);
12545                 return;
12546         }
12547
12548         if (decalsystem->model != model)
12549                 R_DecalSystem_Reset(decalsystem);
12550         decalsystem->model = model;
12551
12552         RSurf_ActiveModelEntity(ent, false, false, false);
12553
12554         Matrix4x4_Transform(&rsurface.inversematrix, worldorigin, localorigin);
12555         Matrix4x4_Transform3x3(&rsurface.inversematrix, worldnormal, localnormal);
12556         VectorNormalize(localnormal);
12557         localsize = worldsize*rsurface.inversematrixscale;
12558         localmins[0] = localorigin[0] - localsize;
12559         localmins[1] = localorigin[1] - localsize;
12560         localmins[2] = localorigin[2] - localsize;
12561         localmaxs[0] = localorigin[0] + localsize;
12562         localmaxs[1] = localorigin[1] + localsize;
12563         localmaxs[2] = localorigin[2] + localsize;
12564
12565         //VectorCopy(localnormal, planes[4]);
12566         //VectorVectors(planes[4], planes[2], planes[0]);
12567         AnglesFromVectors(angles, localnormal, NULL, false);
12568         AngleVectors(angles, planes[0], planes[2], planes[4]);
12569         VectorNegate(planes[0], planes[1]);
12570         VectorNegate(planes[2], planes[3]);
12571         VectorNegate(planes[4], planes[5]);
12572         planes[0][3] = DotProduct(planes[0], localorigin) - localsize;
12573         planes[1][3] = DotProduct(planes[1], localorigin) - localsize;
12574         planes[2][3] = DotProduct(planes[2], localorigin) - localsize;
12575         planes[3][3] = DotProduct(planes[3], localorigin) - localsize;
12576         planes[4][3] = DotProduct(planes[4], localorigin) - localsize;
12577         planes[5][3] = DotProduct(planes[5], localorigin) - localsize;
12578
12579 #if 1
12580 // works
12581 {
12582         matrix4x4_t forwardprojection;
12583         Matrix4x4_CreateFromQuakeEntity(&forwardprojection, localorigin[0], localorigin[1], localorigin[2], angles[0], angles[1], angles[2], localsize);
12584         Matrix4x4_Invert_Simple(&projection, &forwardprojection);
12585 }
12586 #else
12587 // broken
12588 {
12589         float projectionvector[4][3];
12590         VectorScale(planes[0], ilocalsize, projectionvector[0]);
12591         VectorScale(planes[2], ilocalsize, projectionvector[1]);
12592         VectorScale(planes[4], ilocalsize, projectionvector[2]);
12593         projectionvector[0][0] = planes[0][0] * ilocalsize;
12594         projectionvector[0][1] = planes[1][0] * ilocalsize;
12595         projectionvector[0][2] = planes[2][0] * ilocalsize;
12596         projectionvector[1][0] = planes[0][1] * ilocalsize;
12597         projectionvector[1][1] = planes[1][1] * ilocalsize;
12598         projectionvector[1][2] = planes[2][1] * ilocalsize;
12599         projectionvector[2][0] = planes[0][2] * ilocalsize;
12600         projectionvector[2][1] = planes[1][2] * ilocalsize;
12601         projectionvector[2][2] = planes[2][2] * ilocalsize;
12602         projectionvector[3][0] = -(localorigin[0]*projectionvector[0][0]+localorigin[1]*projectionvector[1][0]+localorigin[2]*projectionvector[2][0]);
12603         projectionvector[3][1] = -(localorigin[0]*projectionvector[0][1]+localorigin[1]*projectionvector[1][1]+localorigin[2]*projectionvector[2][1]);
12604         projectionvector[3][2] = -(localorigin[0]*projectionvector[0][2]+localorigin[1]*projectionvector[1][2]+localorigin[2]*projectionvector[2][2]);
12605         Matrix4x4_FromVectors(&projection, projectionvector[0], projectionvector[1], projectionvector[2], projectionvector[3]);
12606 }
12607 #endif
12608
12609         dynamic = model->surfmesh.isanimated;
12610         numsurfacelist = model->nummodelsurfaces;
12611         surfacelist = model->sortedmodelsurfaces;
12612         surfaces = model->data_surfaces;
12613
12614         bih = NULL;
12615         bih_triangles_count = -1;
12616         if(!dynamic)
12617         {
12618                 if(model->render_bih.numleafs)
12619                         bih = &model->render_bih;
12620                 else if(model->collision_bih.numleafs)
12621                         bih = &model->collision_bih;
12622         }
12623         if(bih)
12624                 bih_triangles_count = BIH_GetTriangleListForBox(bih, sizeof(bih_triangles) / sizeof(*bih_triangles), bih_triangles, bih_surfaces, localmins, localmaxs);
12625         if(bih_triangles_count == 0)
12626                 return;
12627         if(bih_triangles_count > (int) (sizeof(bih_triangles) / sizeof(*bih_triangles))) // hit too many, likely bad anyway
12628                 return;
12629         if(bih_triangles_count > 0)
12630         {
12631                 for (triangleindex = 0; triangleindex < bih_triangles_count; ++triangleindex)
12632                 {
12633                         surfaceindex = bih_surfaces[triangleindex];
12634                         surface = surfaces + surfaceindex;
12635                         texture = surface->texture;
12636                         if (texture->currentmaterialflags & (MATERIALFLAG_BLENDED | MATERIALFLAG_NODEPTHTEST | MATERIALFLAG_SKY | MATERIALFLAG_SHORTDEPTHRANGE | MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION))
12637                                 continue;
12638                         if (texture->surfaceflags & Q3SURFACEFLAG_NOMARKS)
12639                                 continue;
12640                         R_DecalSystem_SplatTriangle(decalsystem, r, g, b, a, s1, t1, s2, t2, decalsequence, dynamic, planes, &projection, bih_triangles[triangleindex], surfaceindex);
12641                 }
12642         }
12643         else
12644         {
12645                 for (surfacelistindex = 0;surfacelistindex < numsurfacelist;surfacelistindex++)
12646                 {
12647                         surfaceindex = surfacelist[surfacelistindex];
12648                         surface = surfaces + surfaceindex;
12649                         // check cull box first because it rejects more than any other check
12650                         if (!dynamic && !BoxesOverlap(surface->mins, surface->maxs, localmins, localmaxs))
12651                                 continue;
12652                         // skip transparent surfaces
12653                         texture = surface->texture;
12654                         if (texture->currentmaterialflags & (MATERIALFLAG_BLENDED | MATERIALFLAG_NODEPTHTEST | MATERIALFLAG_SKY | MATERIALFLAG_SHORTDEPTHRANGE | MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION))
12655                                 continue;
12656                         if (texture->surfaceflags & Q3SURFACEFLAG_NOMARKS)
12657                                 continue;
12658                         numtriangles = surface->num_triangles;
12659                         for (triangleindex = 0; triangleindex < numtriangles; triangleindex++)
12660                                 R_DecalSystem_SplatTriangle(decalsystem, r, g, b, a, s1, t1, s2, t2, decalsequence, dynamic, planes, &projection, triangleindex + surface->num_firsttriangle, surfaceindex);
12661                 }
12662         }
12663 }
12664
12665 // do not call this outside of rendering code - use R_DecalSystem_SplatEntities instead
12666 static void R_DecalSystem_ApplySplatEntities(const vec3_t worldorigin, const vec3_t worldnormal, float r, float g, float b, float a, float s1, float t1, float s2, float t2, float worldsize, int decalsequence)
12667 {
12668         int renderentityindex;
12669         float worldmins[3];
12670         float worldmaxs[3];
12671         entity_render_t *ent;
12672
12673         if (!cl_decals_newsystem.integer)
12674                 return;
12675
12676         worldmins[0] = worldorigin[0] - worldsize;
12677         worldmins[1] = worldorigin[1] - worldsize;
12678         worldmins[2] = worldorigin[2] - worldsize;
12679         worldmaxs[0] = worldorigin[0] + worldsize;
12680         worldmaxs[1] = worldorigin[1] + worldsize;
12681         worldmaxs[2] = worldorigin[2] + worldsize;
12682
12683         R_DecalSystem_SplatEntity(r_refdef.scene.worldentity, worldorigin, worldnormal, r, g, b, a, s1, t1, s2, t2, worldsize, decalsequence);
12684
12685         for (renderentityindex = 0;renderentityindex < r_refdef.scene.numentities;renderentityindex++)
12686         {
12687                 ent = r_refdef.scene.entities[renderentityindex];
12688                 if (!BoxesOverlap(ent->mins, ent->maxs, worldmins, worldmaxs))
12689                         continue;
12690
12691                 R_DecalSystem_SplatEntity(ent, worldorigin, worldnormal, r, g, b, a, s1, t1, s2, t2, worldsize, decalsequence);
12692         }
12693 }
12694
12695 typedef struct r_decalsystem_splatqueue_s
12696 {
12697         vec3_t worldorigin;
12698         vec3_t worldnormal;
12699         float color[4];
12700         float tcrange[4];
12701         float worldsize;
12702         int decalsequence;
12703 }
12704 r_decalsystem_splatqueue_t;
12705
12706 int r_decalsystem_numqueued = 0;
12707 r_decalsystem_splatqueue_t r_decalsystem_queue[MAX_DECALSYSTEM_QUEUE];
12708
12709 void R_DecalSystem_SplatEntities(const vec3_t worldorigin, const vec3_t worldnormal, float r, float g, float b, float a, float s1, float t1, float s2, float t2, float worldsize)
12710 {
12711         r_decalsystem_splatqueue_t *queue;
12712
12713         if (!cl_decals_newsystem.integer || r_decalsystem_numqueued == MAX_DECALSYSTEM_QUEUE)
12714                 return;
12715
12716         queue = &r_decalsystem_queue[r_decalsystem_numqueued++];
12717         VectorCopy(worldorigin, queue->worldorigin);
12718         VectorCopy(worldnormal, queue->worldnormal);
12719         Vector4Set(queue->color, r, g, b, a);
12720         Vector4Set(queue->tcrange, s1, t1, s2, t2);
12721         queue->worldsize = worldsize;
12722         queue->decalsequence = cl.decalsequence++;
12723 }
12724
12725 static void R_DecalSystem_ApplySplatEntitiesQueue(void)
12726 {
12727         int i;
12728         r_decalsystem_splatqueue_t *queue;
12729
12730         for (i = 0, queue = r_decalsystem_queue;i < r_decalsystem_numqueued;i++, queue++)
12731                 R_DecalSystem_ApplySplatEntities(queue->worldorigin, queue->worldnormal, queue->color[0], queue->color[1], queue->color[2], queue->color[3], queue->tcrange[0], queue->tcrange[1], queue->tcrange[2], queue->tcrange[3], queue->worldsize, queue->decalsequence);
12732         r_decalsystem_numqueued = 0;
12733 }
12734
12735 extern cvar_t cl_decals_max;
12736 static void R_DrawModelDecals_FadeEntity(entity_render_t *ent)
12737 {
12738         int i;
12739         decalsystem_t *decalsystem = &ent->decalsystem;
12740         int numdecals;
12741         int killsequence;
12742         tridecal_t *decal;
12743         float frametime;
12744         float lifetime;
12745
12746         if (!decalsystem->numdecals)
12747                 return;
12748
12749         if (r_showsurfaces.integer)
12750                 return;
12751
12752         if (ent->model != decalsystem->model || ent->alpha < 1 || (ent->flags & RENDER_ADDITIVE))
12753         {
12754                 R_DecalSystem_Reset(decalsystem);
12755                 return;
12756         }
12757
12758         killsequence = cl.decalsequence - max(1, cl_decals_max.integer);
12759         lifetime = cl_decals_time.value + cl_decals_fadetime.value;
12760
12761         if (decalsystem->lastupdatetime)
12762                 frametime = (cl.time - decalsystem->lastupdatetime);
12763         else
12764                 frametime = 0;
12765         decalsystem->lastupdatetime = cl.time;
12766         decal = decalsystem->decals;
12767         numdecals = decalsystem->numdecals;
12768
12769         for (i = 0, decal = decalsystem->decals;i < numdecals;i++, decal++)
12770         {
12771                 if (decal->color4ub[0][3])
12772                 {
12773                         decal->lived += frametime;
12774                         if (killsequence - decal->decalsequence > 0 || decal->lived >= lifetime)
12775                         {
12776                                 memset(decal, 0, sizeof(*decal));
12777                                 if (decalsystem->freedecal > i)
12778                                         decalsystem->freedecal = i;
12779                         }
12780                 }
12781         }
12782         decal = decalsystem->decals;
12783         while (numdecals > 0 && !decal[numdecals-1].color4ub[0][3])
12784                 numdecals--;
12785
12786         // collapse the array by shuffling the tail decals into the gaps
12787         for (;;)
12788         {
12789                 while (decalsystem->freedecal < numdecals && decal[decalsystem->freedecal].color4ub[0][3])
12790                         decalsystem->freedecal++;
12791                 if (decalsystem->freedecal == numdecals)
12792                         break;
12793                 decal[decalsystem->freedecal] = decal[--numdecals];
12794         }
12795
12796         decalsystem->numdecals = numdecals;
12797
12798         if (numdecals <= 0)
12799         {
12800                 // if there are no decals left, reset decalsystem
12801                 R_DecalSystem_Reset(decalsystem);
12802         }
12803 }
12804
12805 extern skinframe_t *decalskinframe;
12806 static void R_DrawModelDecals_Entity(entity_render_t *ent)
12807 {
12808         int i;
12809         decalsystem_t *decalsystem = &ent->decalsystem;
12810         int numdecals;
12811         tridecal_t *decal;
12812         float faderate;
12813         float alpha;
12814         float *v3f;
12815         float *c4f;
12816         float *t2f;
12817         const int *e;
12818         const unsigned char *surfacevisible = ent == r_refdef.scene.worldentity ? r_refdef.viewcache.world_surfacevisible : NULL;
12819         int numtris = 0;
12820
12821         numdecals = decalsystem->numdecals;
12822         if (!numdecals)
12823                 return;
12824
12825         if (r_showsurfaces.integer)
12826                 return;
12827
12828         if (ent->model != decalsystem->model || ent->alpha < 1 || (ent->flags & RENDER_ADDITIVE))
12829         {
12830                 R_DecalSystem_Reset(decalsystem);
12831                 return;
12832         }
12833
12834         // if the model is static it doesn't matter what value we give for
12835         // wantnormals and wanttangents, so this logic uses only rules applicable
12836         // to a model, knowing that they are meaningless otherwise
12837         if (ent == r_refdef.scene.worldentity)
12838                 RSurf_ActiveWorldEntity();
12839         else
12840                 RSurf_ActiveModelEntity(ent, false, false, false);
12841
12842         decalsystem->lastupdatetime = cl.time;
12843         decal = decalsystem->decals;
12844
12845         faderate = 1.0f / max(0.001f, cl_decals_fadetime.value);
12846
12847         // update vertex positions for animated models
12848         v3f = decalsystem->vertex3f;
12849         c4f = decalsystem->color4f;
12850         t2f = decalsystem->texcoord2f;
12851         for (i = 0, decal = decalsystem->decals;i < numdecals;i++, decal++)
12852         {
12853                 if (!decal->color4ub[0][3])
12854                         continue;
12855
12856                 if (surfacevisible && !surfacevisible[decal->surfaceindex])
12857                         continue;
12858
12859                 // update color values for fading decals
12860                 if (decal->lived >= cl_decals_time.value)
12861                 {
12862                         alpha = 1 - faderate * (decal->lived - cl_decals_time.value);
12863                         alpha *= (1.0f/255.0f);
12864                 }
12865                 else
12866                         alpha = 1.0f/255.0f;
12867
12868                 c4f[ 0] = decal->color4ub[0][0] * alpha;
12869                 c4f[ 1] = decal->color4ub[0][1] * alpha;
12870                 c4f[ 2] = decal->color4ub[0][2] * alpha;
12871                 c4f[ 3] = 1;
12872                 c4f[ 4] = decal->color4ub[1][0] * alpha;
12873                 c4f[ 5] = decal->color4ub[1][1] * alpha;
12874                 c4f[ 6] = decal->color4ub[1][2] * alpha;
12875                 c4f[ 7] = 1;
12876                 c4f[ 8] = decal->color4ub[2][0] * alpha;
12877                 c4f[ 9] = decal->color4ub[2][1] * alpha;
12878                 c4f[10] = decal->color4ub[2][2] * alpha;
12879                 c4f[11] = 1;
12880
12881                 t2f[0] = decal->texcoord2f[0][0];
12882                 t2f[1] = decal->texcoord2f[0][1];
12883                 t2f[2] = decal->texcoord2f[1][0];
12884                 t2f[3] = decal->texcoord2f[1][1];
12885                 t2f[4] = decal->texcoord2f[2][0];
12886                 t2f[5] = decal->texcoord2f[2][1];
12887
12888                 // update vertex positions for animated models
12889                 if (decal->triangleindex >= 0 && decal->triangleindex < rsurface.modelnum_triangles)
12890                 {
12891                         e = rsurface.modelelement3i + 3*decal->triangleindex;
12892                         VectorCopy(rsurface.vertex3f + 3*e[0], v3f);
12893                         VectorCopy(rsurface.vertex3f + 3*e[1], v3f + 3);
12894                         VectorCopy(rsurface.vertex3f + 3*e[2], v3f + 6);
12895                 }
12896                 else
12897                 {
12898                         VectorCopy(decal->vertex3f[0], v3f);
12899                         VectorCopy(decal->vertex3f[1], v3f + 3);
12900                         VectorCopy(decal->vertex3f[2], v3f + 6);
12901                 }
12902
12903                 if (r_refdef.fogenabled)
12904                 {
12905                         alpha = RSurf_FogVertex(v3f);
12906                         VectorScale(c4f, alpha, c4f);
12907                         alpha = RSurf_FogVertex(v3f + 3);
12908                         VectorScale(c4f + 4, alpha, c4f + 4);
12909                         alpha = RSurf_FogVertex(v3f + 6);
12910                         VectorScale(c4f + 8, alpha, c4f + 8);
12911                 }
12912
12913                 v3f += 9;
12914                 c4f += 12;
12915                 t2f += 6;
12916                 numtris++;
12917         }
12918
12919         if (numtris > 0)
12920         {
12921                 r_refdef.stats.drawndecals += numtris;
12922
12923                 // now render the decals all at once
12924                 // (this assumes they all use one particle font texture!)
12925                 RSurf_ActiveCustomEntity(&rsurface.matrix, &rsurface.inversematrix, rsurface.ent_flags, rsurface.ent_shadertime, 1, 1, 1, 1, numdecals*3, decalsystem->vertex3f, decalsystem->texcoord2f, NULL, NULL, NULL, decalsystem->color4f, numtris, decalsystem->element3i, decalsystem->element3s, false, false);
12926                 R_Mesh_ResetTextureState();
12927                 R_Mesh_VertexPointer(decalsystem->vertex3f, 0, 0);
12928                 R_Mesh_TexCoordPointer(0, 2, decalsystem->texcoord2f, 0, 0);
12929                 R_Mesh_ColorPointer(decalsystem->color4f, 0, 0);
12930                 GL_DepthMask(false);
12931                 GL_DepthRange(0, 1);
12932                 GL_PolygonOffset(rsurface.basepolygonfactor + r_polygonoffset_decals_factor.value, rsurface.basepolygonoffset + r_polygonoffset_decals_offset.value);
12933                 GL_DepthTest(true);
12934                 GL_CullFace(GL_NONE);
12935                 GL_BlendFunc(GL_ZERO, GL_ONE_MINUS_SRC_COLOR);
12936                 R_SetupShader_Generic(decalskinframe->base, NULL, GL_MODULATE, 1);
12937                 R_Mesh_Draw(0, numtris * 3, 0, numtris, decalsystem->element3i, decalsystem->element3s, 0, 0);
12938         }
12939 }
12940
12941 static void R_DrawModelDecals(void)
12942 {
12943         int i, numdecals;
12944
12945         // fade faster when there are too many decals
12946         numdecals = r_refdef.scene.worldentity->decalsystem.numdecals;
12947         for (i = 0;i < r_refdef.scene.numentities;i++)
12948                 numdecals += r_refdef.scene.entities[i]->decalsystem.numdecals;
12949
12950         R_DrawModelDecals_FadeEntity(r_refdef.scene.worldentity);
12951         for (i = 0;i < r_refdef.scene.numentities;i++)
12952                 if (r_refdef.scene.entities[i]->decalsystem.numdecals)
12953                         R_DrawModelDecals_FadeEntity(r_refdef.scene.entities[i]);
12954
12955         R_DecalSystem_ApplySplatEntitiesQueue();
12956
12957         numdecals = r_refdef.scene.worldentity->decalsystem.numdecals;
12958         for (i = 0;i < r_refdef.scene.numentities;i++)
12959                 numdecals += r_refdef.scene.entities[i]->decalsystem.numdecals;
12960
12961         r_refdef.stats.totaldecals += numdecals;
12962
12963         if (r_showsurfaces.integer)
12964                 return;
12965
12966         R_DrawModelDecals_Entity(r_refdef.scene.worldentity);
12967
12968         for (i = 0;i < r_refdef.scene.numentities;i++)
12969         {
12970                 if (!r_refdef.viewcache.entityvisible[i])
12971                         continue;
12972                 if (r_refdef.scene.entities[i]->decalsystem.numdecals)
12973                         R_DrawModelDecals_Entity(r_refdef.scene.entities[i]);
12974         }
12975 }
12976
12977 extern cvar_t mod_collision_bih;
12978 void R_DrawDebugModel(void)
12979 {
12980         entity_render_t *ent = rsurface.entity;
12981         int i, j, k, l, flagsmask;
12982         const msurface_t *surface;
12983         dp_model_t *model = ent->model;
12984         vec3_t v;
12985
12986         flagsmask = MATERIALFLAG_SKY | MATERIALFLAG_WALL;
12987
12988         R_Mesh_ColorPointer(NULL, 0, 0);
12989         R_Mesh_ResetTextureState();
12990         R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
12991         GL_DepthRange(0, 1);
12992         GL_DepthTest(!r_showdisabledepthtest.integer);
12993         GL_DepthMask(false);
12994         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
12995
12996         if (r_showcollisionbrushes.value > 0 && model->collision_bih.numleafs)
12997         {
12998                 int triangleindex;
12999                 int bihleafindex;
13000                 qboolean cullbox = ent == r_refdef.scene.worldentity;
13001                 const q3mbrush_t *brush;
13002                 const bih_t *bih = &model->collision_bih;
13003                 const bih_leaf_t *bihleaf;
13004                 float vertex3f[3][3];
13005                 GL_PolygonOffset(r_refdef.polygonfactor + r_showcollisionbrushes_polygonfactor.value, r_refdef.polygonoffset + r_showcollisionbrushes_polygonoffset.value);
13006                 cullbox = false;
13007                 for (bihleafindex = 0, bihleaf = bih->leafs;bihleafindex < bih->numleafs;bihleafindex++, bihleaf++)
13008                 {
13009                         if (cullbox && R_CullBox(bihleaf->mins, bihleaf->maxs))
13010                                 continue;
13011                         switch (bihleaf->type)
13012                         {
13013                         case BIH_BRUSH:
13014                                 brush = model->brush.data_brushes + bihleaf->itemindex;
13015                                 if (brush->colbrushf && brush->colbrushf->numtriangles)
13016                                 {
13017                                         R_Mesh_VertexPointer(brush->colbrushf->points->v, 0, 0);
13018                                         GL_Color((bihleafindex & 31) * (1.0f / 32.0f) * r_refdef.view.colorscale, ((bihleafindex >> 5) & 31) * (1.0f / 32.0f) * r_refdef.view.colorscale, ((bihleafindex >> 10) & 31) * (1.0f / 32.0f) * r_refdef.view.colorscale, r_showcollisionbrushes.value);
13019                                         R_Mesh_Draw(0, brush->colbrushf->numpoints, 0, brush->colbrushf->numtriangles, brush->colbrushf->elements, NULL, 0, 0);
13020                                 }
13021                                 break;
13022                         case BIH_COLLISIONTRIANGLE:
13023                                 triangleindex = bihleaf->itemindex;
13024                                 VectorCopy(model->brush.data_collisionvertex3f + 3*model->brush.data_collisionelement3i[triangleindex*3+0], vertex3f[0]);
13025                                 VectorCopy(model->brush.data_collisionvertex3f + 3*model->brush.data_collisionelement3i[triangleindex*3+1], vertex3f[1]);
13026                                 VectorCopy(model->brush.data_collisionvertex3f + 3*model->brush.data_collisionelement3i[triangleindex*3+2], vertex3f[2]);
13027                                 R_Mesh_VertexPointer(vertex3f[0], 0, 0);
13028                                 GL_Color((bihleafindex & 31) * (1.0f / 32.0f) * r_refdef.view.colorscale, ((bihleafindex >> 5) & 31) * (1.0f / 32.0f) * r_refdef.view.colorscale, ((bihleafindex >> 10) & 31) * (1.0f / 32.0f) * r_refdef.view.colorscale, r_showcollisionbrushes.value);
13029                                 R_Mesh_Draw(0, 3, 0, 1, polygonelement3i, polygonelement3s, 0, 0);
13030                                 break;
13031                         case BIH_RENDERTRIANGLE:
13032                                 triangleindex = bihleaf->itemindex;
13033                                 VectorCopy(model->surfmesh.data_vertex3f + 3*model->surfmesh.data_element3i[triangleindex*3+0], vertex3f[0]);
13034                                 VectorCopy(model->surfmesh.data_vertex3f + 3*model->surfmesh.data_element3i[triangleindex*3+1], vertex3f[1]);
13035                                 VectorCopy(model->surfmesh.data_vertex3f + 3*model->surfmesh.data_element3i[triangleindex*3+2], vertex3f[2]);
13036                                 R_Mesh_VertexPointer(vertex3f[0], 0, 0);
13037                                 GL_Color((bihleafindex & 31) * (1.0f / 32.0f) * r_refdef.view.colorscale, ((bihleafindex >> 5) & 31) * (1.0f / 32.0f) * r_refdef.view.colorscale, ((bihleafindex >> 10) & 31) * (1.0f / 32.0f) * r_refdef.view.colorscale, r_showcollisionbrushes.value);
13038                                 R_Mesh_Draw(0, 3, 0, 1, polygonelement3i, polygonelement3s, 0, 0);
13039                                 break;
13040                         }
13041                 }
13042         }
13043
13044         GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
13045
13046         if (r_showtris.integer || r_shownormals.integer)
13047         {
13048                 if (r_showdisabledepthtest.integer)
13049                 {
13050                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
13051                         GL_DepthMask(false);
13052                 }
13053                 else
13054                 {
13055                         GL_BlendFunc(GL_ONE, GL_ZERO);
13056                         GL_DepthMask(true);
13057                 }
13058                 for (i = 0, j = model->firstmodelsurface, surface = model->data_surfaces + j;i < model->nummodelsurfaces;i++, j++, surface++)
13059                 {
13060                         if (ent == r_refdef.scene.worldentity && !r_refdef.viewcache.world_surfacevisible[j])
13061                                 continue;
13062                         rsurface.texture = R_GetCurrentTexture(surface->texture);
13063                         if ((rsurface.texture->currentmaterialflags & flagsmask) && surface->num_triangles)
13064                         {
13065                                 RSurf_PrepareVerticesForBatch(true, true, 1, &surface);
13066                                 if (r_showtris.value > 0)
13067                                 {
13068                                         if (!rsurface.texture->currentlayers->depthmask)
13069                                                 GL_Color(r_refdef.view.colorscale, 0, 0, r_showtris.value);
13070                                         else if (ent == r_refdef.scene.worldentity)
13071                                                 GL_Color(r_refdef.view.colorscale, r_refdef.view.colorscale, r_refdef.view.colorscale, r_showtris.value);
13072                                         else
13073                                                 GL_Color(0, r_refdef.view.colorscale, 0, r_showtris.value);
13074                                         R_Mesh_VertexPointer(rsurface.vertex3f, 0, 0);
13075                                         R_Mesh_ColorPointer(NULL, 0, 0);
13076                                         R_Mesh_TexCoordPointer(0, 0, NULL, 0, 0);
13077                                         qglPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
13078                                         //R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_firsttriangle, surface->num_triangles, model->surfmesh.data_element3i, NULL, 0, 0);
13079                                         R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_firsttriangle, surface->num_triangles, rsurface.modelelement3i, rsurface.modelelement3s, rsurface.modelelement3i_bufferobject, rsurface.modelelement3s_bufferobject);
13080                                         qglPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
13081                                         CHECKGLERROR
13082                                 }
13083                                 if (r_shownormals.value < 0)
13084                                 {
13085                                         qglBegin(GL_LINES);
13086                                         for (k = 0, l = surface->num_firstvertex;k < surface->num_vertices;k++, l++)
13087                                         {
13088                                                 VectorCopy(rsurface.vertex3f + l * 3, v);
13089                                                 GL_Color(r_refdef.view.colorscale, 0, 0, 1);
13090                                                 qglVertex3f(v[0], v[1], v[2]);
13091                                                 VectorMA(v, -r_shownormals.value, rsurface.svector3f + l * 3, v);
13092                                                 GL_Color(r_refdef.view.colorscale, 1, 1, 1);
13093                                                 qglVertex3f(v[0], v[1], v[2]);
13094                                         }
13095                                         qglEnd();
13096                                         CHECKGLERROR
13097                                 }
13098                                 if (r_shownormals.value > 0)
13099                                 {
13100                                         qglBegin(GL_LINES);
13101                                         for (k = 0, l = surface->num_firstvertex;k < surface->num_vertices;k++, l++)
13102                                         {
13103                                                 VectorCopy(rsurface.vertex3f + l * 3, v);
13104                                                 GL_Color(r_refdef.view.colorscale, 0, 0, 1);
13105                                                 qglVertex3f(v[0], v[1], v[2]);
13106                                                 VectorMA(v, r_shownormals.value, rsurface.svector3f + l * 3, v);
13107                                                 GL_Color(r_refdef.view.colorscale, 1, 1, 1);
13108                                                 qglVertex3f(v[0], v[1], v[2]);
13109                                         }
13110                                         qglEnd();
13111                                         CHECKGLERROR
13112                                         qglBegin(GL_LINES);
13113                                         for (k = 0, l = surface->num_firstvertex;k < surface->num_vertices;k++, l++)
13114                                         {
13115                                                 VectorCopy(rsurface.vertex3f + l * 3, v);
13116                                                 GL_Color(0, r_refdef.view.colorscale, 0, 1);
13117                                                 qglVertex3f(v[0], v[1], v[2]);
13118                                                 VectorMA(v, r_shownormals.value, rsurface.tvector3f + l * 3, v);
13119                                                 GL_Color(r_refdef.view.colorscale, 1, 1, 1);
13120                                                 qglVertex3f(v[0], v[1], v[2]);
13121                                         }
13122                                         qglEnd();
13123                                         CHECKGLERROR
13124                                         qglBegin(GL_LINES);
13125                                         for (k = 0, l = surface->num_firstvertex;k < surface->num_vertices;k++, l++)
13126                                         {
13127                                                 VectorCopy(rsurface.vertex3f + l * 3, v);
13128                                                 GL_Color(0, 0, r_refdef.view.colorscale, 1);
13129                                                 qglVertex3f(v[0], v[1], v[2]);
13130                                                 VectorMA(v, r_shownormals.value, rsurface.normal3f + l * 3, v);
13131                                                 GL_Color(r_refdef.view.colorscale, 1, 1, 1);
13132                                                 qglVertex3f(v[0], v[1], v[2]);
13133                                         }
13134                                         qglEnd();
13135                                         CHECKGLERROR
13136                                 }
13137                         }
13138                 }
13139                 rsurface.texture = NULL;
13140         }
13141 }
13142
13143 extern void R_BuildLightMap(const entity_render_t *ent, msurface_t *surface);
13144 int r_maxsurfacelist = 0;
13145 const msurface_t **r_surfacelist = NULL;
13146 void R_DrawWorldSurfaces(qboolean skysurfaces, qboolean writedepth, qboolean depthonly, qboolean debug, qboolean prepass)
13147 {
13148         int i, j, endj, flagsmask;
13149         dp_model_t *model = r_refdef.scene.worldmodel;
13150         msurface_t *surfaces;
13151         unsigned char *update;
13152         int numsurfacelist = 0;
13153         if (model == NULL)
13154                 return;
13155
13156         if (r_maxsurfacelist < model->num_surfaces)
13157         {
13158                 r_maxsurfacelist = model->num_surfaces;
13159                 if (r_surfacelist)
13160                         Mem_Free((msurface_t**)r_surfacelist);
13161                 r_surfacelist = (const msurface_t **) Mem_Alloc(r_main_mempool, r_maxsurfacelist * sizeof(*r_surfacelist));
13162         }
13163
13164         RSurf_ActiveWorldEntity();
13165
13166         surfaces = model->data_surfaces;
13167         update = model->brushq1.lightmapupdateflags;
13168
13169         // update light styles on this submodel
13170         if (!skysurfaces && !depthonly && !prepass && model->brushq1.num_lightstyles && r_refdef.lightmapintensity > 0)
13171         {
13172                 model_brush_lightstyleinfo_t *style;
13173                 for (i = 0, style = model->brushq1.data_lightstyleinfo;i < model->brushq1.num_lightstyles;i++, style++)
13174                 {
13175                         if (style->value != r_refdef.scene.lightstylevalue[style->style])
13176                         {
13177                                 int *list = style->surfacelist;
13178                                 style->value = r_refdef.scene.lightstylevalue[style->style];
13179                                 for (j = 0;j < style->numsurfaces;j++)
13180                                         update[list[j]] = true;
13181                         }
13182                 }
13183         }
13184
13185         flagsmask = skysurfaces ? MATERIALFLAG_SKY : MATERIALFLAG_WALL;
13186
13187         if (debug)
13188         {
13189                 R_DrawDebugModel();
13190                 rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
13191                 return;
13192         }
13193
13194         rsurface.uselightmaptexture = false;
13195         rsurface.texture = NULL;
13196         rsurface.rtlight = NULL;
13197         numsurfacelist = 0;
13198         // add visible surfaces to draw list
13199         for (i = 0;i < model->nummodelsurfaces;i++)
13200         {
13201                 j = model->sortedmodelsurfaces[i];
13202                 if (r_refdef.viewcache.world_surfacevisible[j])
13203                         r_surfacelist[numsurfacelist++] = surfaces + j;
13204         }
13205         // update lightmaps if needed
13206         if (model->brushq1.firstrender)
13207         {
13208                 model->brushq1.firstrender = false;
13209                 for (j = model->firstmodelsurface, endj = model->firstmodelsurface + model->nummodelsurfaces;j < endj;j++)
13210                         if (update[j])
13211                                 R_BuildLightMap(r_refdef.scene.worldentity, surfaces + j);
13212         }
13213         else if (update)
13214         {
13215                 for (j = model->firstmodelsurface, endj = model->firstmodelsurface + model->nummodelsurfaces;j < endj;j++)
13216                         if (r_refdef.viewcache.world_surfacevisible[j])
13217                                 if (update[j])
13218                                         R_BuildLightMap(r_refdef.scene.worldentity, surfaces + j);
13219         }
13220         // don't do anything if there were no surfaces
13221         if (!numsurfacelist)
13222         {
13223                 rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
13224                 return;
13225         }
13226         R_QueueWorldSurfaceList(numsurfacelist, r_surfacelist, flagsmask, writedepth, depthonly, prepass);
13227         GL_AlphaTest(false);
13228
13229         // add to stats if desired
13230         if (r_speeds.integer && !skysurfaces && !depthonly)
13231         {
13232                 r_refdef.stats.world_surfaces += numsurfacelist;
13233                 for (j = 0;j < numsurfacelist;j++)
13234                         r_refdef.stats.world_triangles += r_surfacelist[j]->num_triangles;
13235         }
13236
13237         rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
13238 }
13239
13240 void R_DrawModelSurfaces(entity_render_t *ent, qboolean skysurfaces, qboolean writedepth, qboolean depthonly, qboolean debug, qboolean prepass)
13241 {
13242         int i, j, endj, flagsmask;
13243         dp_model_t *model = ent->model;
13244         msurface_t *surfaces;
13245         unsigned char *update;
13246         int numsurfacelist = 0;
13247         if (model == NULL)
13248                 return;
13249
13250         if (r_maxsurfacelist < model->num_surfaces)
13251         {
13252                 r_maxsurfacelist = model->num_surfaces;
13253                 if (r_surfacelist)
13254                         Mem_Free((msurface_t **)r_surfacelist);
13255                 r_surfacelist = (const msurface_t **) Mem_Alloc(r_main_mempool, r_maxsurfacelist * sizeof(*r_surfacelist));
13256         }
13257
13258         // if the model is static it doesn't matter what value we give for
13259         // wantnormals and wanttangents, so this logic uses only rules applicable
13260         // to a model, knowing that they are meaningless otherwise
13261         if (ent == r_refdef.scene.worldentity)
13262                 RSurf_ActiveWorldEntity();
13263         else if (r_showsurfaces.integer && r_showsurfaces.integer != 3)
13264                 RSurf_ActiveModelEntity(ent, false, false, false);
13265         else if (prepass)
13266                 RSurf_ActiveModelEntity(ent, true, true, true);
13267         else if (depthonly)
13268         {
13269                 switch (vid.renderpath)
13270                 {
13271                 case RENDERPATH_GL20:
13272                 case RENDERPATH_CGGL:
13273                         RSurf_ActiveModelEntity(ent, model->wantnormals, model->wanttangents, false);
13274                         break;
13275                 case RENDERPATH_GL13:
13276                 case RENDERPATH_GL11:
13277                         RSurf_ActiveModelEntity(ent, model->wantnormals, false, false);
13278                         break;
13279                 }
13280         }
13281         else
13282         {
13283                 switch (vid.renderpath)
13284                 {
13285                 case RENDERPATH_GL20:
13286                 case RENDERPATH_CGGL:
13287                         RSurf_ActiveModelEntity(ent, true, true, false);
13288                         break;
13289                 case RENDERPATH_GL13:
13290                 case RENDERPATH_GL11:
13291                         RSurf_ActiveModelEntity(ent, true, false, false);
13292                         break;
13293                 }
13294         }
13295
13296         surfaces = model->data_surfaces;
13297         update = model->brushq1.lightmapupdateflags;
13298
13299         // update light styles
13300         if (!skysurfaces && !depthonly && !prepass && model->brushq1.num_lightstyles && r_refdef.lightmapintensity > 0)
13301         {
13302                 model_brush_lightstyleinfo_t *style;
13303                 for (i = 0, style = model->brushq1.data_lightstyleinfo;i < model->brushq1.num_lightstyles;i++, style++)
13304                 {
13305                         if (style->value != r_refdef.scene.lightstylevalue[style->style])
13306                         {
13307                                 int *list = style->surfacelist;
13308                                 style->value = r_refdef.scene.lightstylevalue[style->style];
13309                                 for (j = 0;j < style->numsurfaces;j++)
13310                                         update[list[j]] = true;
13311                         }
13312                 }
13313         }
13314
13315         flagsmask = skysurfaces ? MATERIALFLAG_SKY : MATERIALFLAG_WALL;
13316
13317         if (debug)
13318         {
13319                 R_DrawDebugModel();
13320                 rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
13321                 return;
13322         }
13323
13324         rsurface.uselightmaptexture = false;
13325         rsurface.texture = NULL;
13326         rsurface.rtlight = NULL;
13327         numsurfacelist = 0;
13328         // add visible surfaces to draw list
13329         for (i = 0;i < model->nummodelsurfaces;i++)
13330                 r_surfacelist[numsurfacelist++] = surfaces + model->sortedmodelsurfaces[i];
13331         // don't do anything if there were no surfaces
13332         if (!numsurfacelist)
13333         {
13334                 rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
13335                 return;
13336         }
13337         // update lightmaps if needed
13338         if (update)
13339         {
13340                 int updated = 0;
13341                 for (j = model->firstmodelsurface, endj = model->firstmodelsurface + model->nummodelsurfaces;j < endj;j++)
13342                 {
13343                         if (update[j])
13344                         {
13345                                 updated++;
13346                                 R_BuildLightMap(ent, surfaces + j);
13347                         }
13348                 }
13349         }
13350         if (update)
13351                 for (j = model->firstmodelsurface, endj = model->firstmodelsurface + model->nummodelsurfaces;j < endj;j++)
13352                         if (update[j])
13353                                 R_BuildLightMap(ent, surfaces + j);
13354         R_QueueModelSurfaceList(ent, numsurfacelist, r_surfacelist, flagsmask, writedepth, depthonly, prepass);
13355         GL_AlphaTest(false);
13356
13357         // add to stats if desired
13358         if (r_speeds.integer && !skysurfaces && !depthonly)
13359         {
13360                 r_refdef.stats.entities_surfaces += numsurfacelist;
13361                 for (j = 0;j < numsurfacelist;j++)
13362                         r_refdef.stats.entities_triangles += r_surfacelist[j]->num_triangles;
13363         }
13364
13365         rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
13366 }
13367
13368 void R_DrawCustomSurface(skinframe_t *skinframe, const matrix4x4_t *texmatrix, int materialflags, int firstvertex, int numvertices, int firsttriangle, int numtriangles, qboolean writedepth, qboolean prepass)
13369 {
13370         static texture_t texture;
13371         static msurface_t surface;
13372         const msurface_t *surfacelist = &surface;
13373
13374         // fake enough texture and surface state to render this geometry
13375
13376         texture.update_lastrenderframe = -1; // regenerate this texture
13377         texture.basematerialflags = materialflags | MATERIALFLAG_CUSTOMSURFACE | MATERIALFLAG_WALL;
13378         texture.currentskinframe = skinframe;
13379         texture.currenttexmatrix = *texmatrix; // requires MATERIALFLAG_CUSTOMSURFACE
13380         texture.offsetmapping = OFFSETMAPPING_OFF;
13381         texture.offsetscale = 1;
13382         texture.specularscalemod = 1;
13383         texture.specularpowermod = 1;
13384
13385         surface.texture = &texture;
13386         surface.num_triangles = numtriangles;
13387         surface.num_firsttriangle = firsttriangle;
13388         surface.num_vertices = numvertices;
13389         surface.num_firstvertex = firstvertex;
13390
13391         // now render it
13392         rsurface.texture = R_GetCurrentTexture(surface.texture);
13393         rsurface.uselightmaptexture = false;
13394         R_DrawModelTextureSurfaceList(1, &surfacelist, writedepth, prepass);
13395 }
13396
13397 void R_DrawCustomSurface_Texture(texture_t *texture, const matrix4x4_t *texmatrix, int materialflags, int firstvertex, int numvertices, int firsttriangle, int numtriangles, qboolean writedepth, qboolean prepass)
13398 {
13399         static msurface_t surface;
13400         const msurface_t *surfacelist = &surface;
13401
13402         // fake enough texture and surface state to render this geometry
13403
13404         surface.texture = texture;
13405         surface.num_triangles = numtriangles;
13406         surface.num_firsttriangle = firsttriangle;
13407         surface.num_vertices = numvertices;
13408         surface.num_firstvertex = firstvertex;
13409
13410         // now render it
13411         rsurface.texture = R_GetCurrentTexture(surface.texture);
13412         rsurface.uselightmaptexture = false;
13413         R_DrawModelTextureSurfaceList(1, &surfacelist, writedepth, prepass);
13414 }