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 #include "dpsoftrast.h"
  31
  32 #ifdef SUPPORTD3D
  33 #include <d3d9.h>
  34 extern LPDIRECT3DDEVICE9 vid_d3d9dev;
  35 #endif
  36
  37 mempool_t *r_main_mempool;
  38 rtexturepool_t *r_main_texturepool;
  39
  40 static int r_textureframe = 0; ///< used only by R_GetCurrentTexture
  41
  42 static qboolean r_loadnormalmap;
  43 static qboolean r_loadgloss;
  44 qboolean r_loadfog;
  45 static qboolean r_loaddds;
  46 static qboolean r_savedds;
  47
  48 //
  49 // screen size info
  50 //
  51 r_refdef_t r_refdef;
  52
  53 cvar_t r_motionblur = {CVAR_SAVE, "r_motionblur", "0", "screen motionblur - value represents intensity, somewhere around 0.5 recommended"};
  54 cvar_t r_damageblur = {CVAR_SAVE, "r_damageblur", "0", "screen motionblur based on damage - value represents intensity, somewhere around 0.5 recommended"};
  55 cvar_t r_motionblur_averaging = {CVAR_SAVE, "r_motionblur_averaging", "0.1", "sliding average reaction time for velocity (higher = slower adaption to change)"};
  56 cvar_t r_motionblur_randomize = {CVAR_SAVE, "r_motionblur_randomize", "0.1", "randomizing coefficient to workaround ghosting"};
  57 cvar_t r_motionblur_minblur = {CVAR_SAVE, "r_motionblur_minblur", "0.5", "factor of blur to apply at all times (always have this amount of blur no matter what the other factors are)"};
  58 cvar_t r_motionblur_maxblur = {CVAR_SAVE, "r_motionblur_maxblur", "0.9", "maxmimum amount of blur"};
  59 cvar_t r_motionblur_velocityfactor = {CVAR_SAVE, "r_motionblur_velocityfactor", "1", "factoring in of player velocity to the blur equation - the faster the player moves around the map, the more blur they get"};
  60 cvar_t r_motionblur_velocityfactor_minspeed = {CVAR_SAVE, "r_motionblur_velocityfactor_minspeed", "400", "lower value of velocity when it starts to factor into blur equation"};
  61 cvar_t r_motionblur_velocityfactor_maxspeed = {CVAR_SAVE, "r_motionblur_velocityfactor_maxspeed", "800", "upper value of velocity when it reaches the peak factor into blur equation"};
  62 cvar_t r_motionblur_mousefactor = {CVAR_SAVE, "r_motionblur_mousefactor", "2", "factoring in of mouse acceleration to the blur equation - the faster the player turns their mouse, the more blur they get"};
  63 cvar_t r_motionblur_mousefactor_minspeed = {CVAR_SAVE, "r_motionblur_mousefactor_minspeed", "0", "lower value of mouse acceleration when it starts to factor into blur equation"};
  64 cvar_t r_motionblur_mousefactor_maxspeed = {CVAR_SAVE, "r_motionblur_mousefactor_maxspeed", "50", "upper value of mouse acceleration when it reaches the peak factor into blur equation"};
  65
  66 // TODO do we want a r_equalize_entities cvar that works on all ents, or would that be a cheat?
  67 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"};
  68 cvar_t r_equalize_entities_minambient = {CVAR_SAVE, "r_equalize_entities_minambient", "0.5", "light equalizing: ensure at least this ambient/diffuse ratio"};
  69 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)"};
  70 cvar_t r_equalize_entities_to = {CVAR_SAVE, "r_equalize_entities_to", "0.8", "light equalizing: target light level"};
  71
  72 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"};
  73 cvar_t r_useinfinitefarclip = {CVAR_SAVE, "r_useinfinitefarclip", "1", "enables use of a special kind of projection matrix that has an extremely large farclip"};
  74 cvar_t r_farclip_base = {0, "r_farclip_base", "65536", "farclip (furthest visible distance) for rendering when r_useinfinitefarclip is 0"};
  75 cvar_t r_farclip_world = {0, "r_farclip_world", "2", "adds map size to farclip multiplied by this value"};
  76 cvar_t r_nearclip = {0, "r_nearclip", "1", "distance from camera of nearclip plane" };
  77 cvar_t r_deformvertexes = {0, "r_deformvertexes", "1", "allows use of deformvertexes in shader files (can be turned off to check performance impact)"};
  78 cvar_t r_transparent = {0, "r_transparent", "1", "allows use of transparent surfaces (can be turned off to check performance impact)"};
  79 cvar_t r_transparent_alphatocoverage = {0, "r_transparent_alphatocoverage", "1", "enables GL_ALPHA_TO_COVERAGE antialiasing technique on alphablend and alphatest surfaces when using vid_samples 2 or higher"};
  80 cvar_t r_transparent_sortsurfacesbynearest = {0, "r_transparent_sortsurfacesbynearest", "1", "sort entity and world surfaces by nearest point on bounding box instead of using the center of the bounding box, usually reduces sorting artifacts"};
  81 cvar_t r_transparent_useplanardistance = {0, "r_transparent_useplanardistance", "0", "sort transparent meshes by distance from view plane rather than spherical distance to the chosen point"};
  82 cvar_t r_showoverdraw = {0, "r_showoverdraw", "0", "shows overlapping geometry"};
  83 cvar_t r_showbboxes = {0, "r_showbboxes", "0", "shows bounding boxes of server entities, value controls opacity scaling (1 = 10%,  10 = 100%)"};
  84 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)"};
  85 cvar_t r_showtris = {0, "r_showtris", "0", "shows triangle outlines, value controls brightness (can be above 1)"};
  86 cvar_t r_shownormals = {0, "r_shownormals", "0", "shows per-vertex surface normals and tangent vectors for bumpmapped lighting"};
  87 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"};
  88 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"};
  89 cvar_t r_showcollisionbrushes = {0, "r_showcollisionbrushes", "0", "draws collision brushes in quake3 maps (mode 1), mode 2 disables rendering of world (trippy!)"};
  90 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"};
  91 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"};
  92 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"};
  93 cvar_t r_drawportals = {0, "r_drawportals", "0", "shows portals (separating polygons) in world interior in quake1 maps"};
  94 cvar_t r_drawentities = {0, "r_drawentities","1", "draw entities (doors, players, projectiles, etc)"};
  95 cvar_t r_draw2d = {0, "r_draw2d","1", "draw 2D stuff (dangerous to turn off)"};
  96 cvar_t r_drawworld = {0, "r_drawworld","1", "draw world (most static stuff)"};
  97 cvar_t r_drawviewmodel = {0, "r_drawviewmodel","1", "draw your weapon model"};
  98 cvar_t r_drawexteriormodel = {0, "r_drawexteriormodel","1", "draw your player model (e.g. in chase cam, reflections)"};
  99 cvar_t r_cullentities_trace = {0, "r_cullentities_trace", "1", "probabistically cull invisible entities"};
 100 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)"};
 101 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)"};
 102 cvar_t r_cullentities_trace_enlarge = {0, "r_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
 103 cvar_t r_cullentities_trace_delay = {0, "r_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
 104 cvar_t r_sortentities = {0, "r_sortentities", "0", "sort entities before drawing (might be faster)"};
 105 cvar_t r_speeds = {0, "r_speeds","0", "displays rendering statistics and per-subsystem timings"};
 106 cvar_t r_fullbright = {0, "r_fullbright","0", "makes map very bright and renders faster"};
 107
 108 cvar_t r_fakelight = {0, "r_fakelight","0", "render 'fake' lighting instead of real lightmaps"};
 109 cvar_t r_fakelight_intensity = {0, "r_fakelight_intensity","0.75", "fakelight intensity modifier"};
 110 #define FAKELIGHT_ENABLED (r_fakelight.integer >= 2 || (r_fakelight.integer && r_refdef.scene.worldmodel && !r_refdef.scene.worldmodel->lit))
 111
 112 cvar_t r_wateralpha = {CVAR_SAVE, "r_wateralpha","1", "opacity of water polygons"};
 113 cvar_t r_dynamic = {CVAR_SAVE, "r_dynamic","1", "enables dynamic lights (rocket glow and such)"};
 114 cvar_t r_fullbrights = {CVAR_SAVE, "r_fullbrights", "1", "enables glowing pixels in quake textures (changes need r_restart to take effect)"};
 115 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."};
 116 cvar_t r_shadows_darken = {CVAR_SAVE, "r_shadows_darken", "0.5", "how much shadowed areas will be darkened"};
 117 cvar_t r_shadows_throwdistance = {CVAR_SAVE, "r_shadows_throwdistance", "500", "how far to cast shadows from models"};
 118 cvar_t r_shadows_throwdirection = {CVAR_SAVE, "r_shadows_throwdirection", "0 0 -1", "override throwing direction for r_shadows 2"};
 119 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."};
 120 cvar_t r_shadows_castfrombmodels = {CVAR_SAVE, "r_shadows_castfrombmodels", "0", "do cast shadows from bmodels"};
 121 cvar_t r_shadows_focus = {CVAR_SAVE, "r_shadows_focus", "0 0 0", "offset the shadowed area focus"};
 122 cvar_t r_shadows_shadowmapscale = {CVAR_SAVE, "r_shadows_shadowmapscale", "1", "increases shadowmap quality (multiply global shadowmap precision) for fake shadows. Needs shadowmapping ON."};
 123 cvar_t r_q1bsp_skymasking = {0, "r_q1bsp_skymasking", "1", "allows sky polygons in quake1 maps to obscure other geometry"};
 124 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"};
 125 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"};
 126 cvar_t r_polygonoffset_decals_factor = {0, "r_polygonoffset_decals_factor", "0", "biases depth values of decals to prevent z-fighting artifacts"};
 127 cvar_t r_polygonoffset_decals_offset = {0, "r_polygonoffset_decals_offset", "-14", "biases depth values of decals to prevent z-fighting artifacts"};
 128 cvar_t r_fog_exp2 = {0, "r_fog_exp2", "0", "uses GL_EXP2 fog (as in Nehahra) rather than realistic GL_EXP fog"};
 129 cvar_t r_fog_clear = {0, "r_fog_clear", "1", "clears renderbuffer with fog color before render starts"};
 130 cvar_t r_drawfog = {CVAR_SAVE, "r_drawfog", "1", "allows one to disable fog rendering"};
 131 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"};
 132 cvar_t r_transparent_sortmindist = {CVAR_SAVE, "r_transparent_sortmindist", "0", "lower distance limit for transparent sorting"};
 133 cvar_t r_transparent_sortmaxdist = {CVAR_SAVE, "r_transparent_sortmaxdist", "32768", "upper distance limit for transparent sorting"};
 134 cvar_t r_transparent_sortarraysize = {CVAR_SAVE, "r_transparent_sortarraysize", "4096", "number of distance-sorting layers"};
 135
 136 cvar_t gl_fogenable = {0, "gl_fogenable", "0", "nehahra fog enable (for Nehahra compatibility only)"};
 137 cvar_t gl_fogdensity = {0, "gl_fogdensity", "0.25", "nehahra fog density (recommend values below 0.1) (for Nehahra compatibility only)"};
 138 cvar_t gl_fogred = {0, "gl_fogred","0.3", "nehahra fog color red value (for Nehahra compatibility only)"};
 139 cvar_t gl_foggreen = {0, "gl_foggreen","0.3", "nehahra fog color green value (for Nehahra compatibility only)"};
 140 cvar_t gl_fogblue = {0, "gl_fogblue","0.3", "nehahra fog color blue value (for Nehahra compatibility only)"};
 141 cvar_t gl_fogstart = {0, "gl_fogstart", "0", "nehahra fog start distance (for Nehahra compatibility only)"};
 142 cvar_t gl_fogend = {0, "gl_fogend","0", "nehahra fog end distance (for Nehahra compatibility only)"};
 143 cvar_t gl_skyclip = {0, "gl_skyclip", "4608", "nehahra farclip distance - the real fog end (for Nehahra compatibility only)"};
 144
 145 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)"};
 146 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"};
 147
 148 cvar_t r_textureunits = {0, "r_textureunits", "32", "number of texture units to use in GL 1.1 and GL 1.3 rendering paths"};
 149 static cvar_t gl_combine = {CVAR_READONLY, "gl_combine", "1", "indicates whether the OpenGL 1.3 rendering path is active"};
 150 static cvar_t r_glsl = {CVAR_READONLY, "r_glsl", "1", "indicates whether the OpenGL 2.0 rendering path is active"};
 151
 152 cvar_t r_usedepthtextures = {CVAR_SAVE, "r_usedepthtextures", "1", "use depth texture instead of depth renderbuffer where possible, uses less video memory but may render slower (or faster) depending on hardware"};
 153 cvar_t r_viewfbo = {CVAR_SAVE, "r_viewfbo", "0", "enables use of an 8bit (1) or 16bit (2) or 32bit (3) per component float framebuffer render, which may be at a different resolution than the video mode"};
 154 cvar_t r_viewscale = {CVAR_SAVE, "r_viewscale", "1", "scaling factor for resolution of the fbo rendering method, must be > 0, can be above 1 for a costly antialiasing behavior, typical values are 0.5 for 1/4th as many pixels rendered, or 1 for normal rendering"};
 155 cvar_t r_viewscale_fpsscaling = {CVAR_SAVE, "r_viewscale_fpsscaling", "0", "change resolution based on framerate"};
 156 cvar_t r_viewscale_fpsscaling_min = {CVAR_SAVE, "r_viewscale_fpsscaling_min", "0.0625", "worst acceptable quality"};
 157 cvar_t r_viewscale_fpsscaling_multiply = {CVAR_SAVE, "r_viewscale_fpsscaling_multiply", "5", "adjust quality up or down by the frametime difference from 1.0/target, multiplied by this factor"};
 158 cvar_t r_viewscale_fpsscaling_stepsize = {CVAR_SAVE, "r_viewscale_fpsscaling_stepsize", "0.01", "smallest adjustment to hit the target framerate (this value prevents minute oscillations)"};
 159 cvar_t r_viewscale_fpsscaling_stepmax = {CVAR_SAVE, "r_viewscale_fpsscaling_stepmax", "1.00", "largest adjustment to hit the target framerate (this value prevents wild overshooting of the estimate)"};
 160 cvar_t r_viewscale_fpsscaling_target = {CVAR_SAVE, "r_viewscale_fpsscaling_target", "70", "desired framerate"};
 161
 162 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)"};
 163 cvar_t r_glsl_offsetmapping = {CVAR_SAVE, "r_glsl_offsetmapping", "0", "offset mapping effect (also known as parallax mapping or virtual displacement mapping)"};
 164 cvar_t r_glsl_offsetmapping_steps = {CVAR_SAVE, "r_glsl_offsetmapping_steps", "2", "offset mapping steps (note: too high values may be not supported by your GPU)"};
 165 cvar_t r_glsl_offsetmapping_reliefmapping = {CVAR_SAVE, "r_glsl_offsetmapping_reliefmapping", "0", "relief mapping effect (higher quality)"};
 166 cvar_t r_glsl_offsetmapping_reliefmapping_steps = {CVAR_SAVE, "r_glsl_offsetmapping_reliefmapping_steps", "10", "relief mapping steps (note: too high values may be not supported by your GPU)"};
 167 cvar_t r_glsl_offsetmapping_reliefmapping_refinesteps = {CVAR_SAVE, "r_glsl_offsetmapping_reliefmapping_refinesteps", "5", "relief mapping refine steps (these are a binary search executed as the last step as given by r_glsl_offsetmapping_reliefmapping_steps)"};
 168 cvar_t r_glsl_offsetmapping_scale = {CVAR_SAVE, "r_glsl_offsetmapping_scale", "0.04", "how deep the offset mapping effect is"};
 169 cvar_t r_glsl_offsetmapping_lod = {CVAR_SAVE, "r_glsl_offsetmapping_lod", "0", "apply distance-based level-of-detail correction to number of offsetmappig steps, effectively making it render faster on large open-area maps"};
 170 cvar_t r_glsl_offsetmapping_lod_distance = {CVAR_SAVE, "r_glsl_offsetmapping_lod_distance", "32", "first LOD level distance, second level (-50% steps) is 2x of this, third (33%) - 3x etc."};
 171 cvar_t r_glsl_postprocess = {CVAR_SAVE, "r_glsl_postprocess", "0", "use a GLSL postprocessing shader"};
 172 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)"};
 173 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)"};
 174 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)"};
 175 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)"};
 176 cvar_t r_glsl_postprocess_uservec1_enable = {CVAR_SAVE, "r_glsl_postprocess_uservec1_enable", "1", "enables postprocessing uservec1 usage, creates USERVEC1 define (only useful if default.glsl has been customized)"};
 177 cvar_t r_glsl_postprocess_uservec2_enable = {CVAR_SAVE, "r_glsl_postprocess_uservec2_enable", "1", "enables postprocessing uservec2 usage, creates USERVEC1 define (only useful if default.glsl has been customized)"};
 178 cvar_t r_glsl_postprocess_uservec3_enable = {CVAR_SAVE, "r_glsl_postprocess_uservec3_enable", "1", "enables postprocessing uservec3 usage, creates USERVEC1 define (only useful if default.glsl has been customized)"};
 179 cvar_t r_glsl_postprocess_uservec4_enable = {CVAR_SAVE, "r_glsl_postprocess_uservec4_enable", "1", "enables postprocessing uservec4 usage, creates USERVEC1 define (only useful if default.glsl has been customized)"};
 180
 181 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)"};
 182 cvar_t r_water_clippingplanebias = {CVAR_SAVE, "r_water_clippingplanebias", "1", "a rather technical setting which avoids black pixels around water edges"};
 183 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"};
 184 cvar_t r_water_refractdistort = {CVAR_SAVE, "r_water_refractdistort", "0.01", "how much water refractions shimmer"};
 185 cvar_t r_water_reflectdistort = {CVAR_SAVE, "r_water_reflectdistort", "0.01", "how much water reflections shimmer"};
 186 cvar_t r_water_scissormode = {0, "r_water_scissormode", "3", "scissor (1) or cull (2) or both (3) water renders"};
 187 cvar_t r_water_lowquality = {0, "r_water_lowquality", "0", "special option to accelerate water rendering, 1 disables shadows and particles, 2 disables all dynamic lights"};
 188 cvar_t r_water_hideplayer = {CVAR_SAVE, "r_water_hideplayer", "0", "if set to 1 then player will be hidden in refraction views, if set to 2 then player will also be hidden in reflection views, player is always visible in camera views"};
 189 cvar_t r_water_fbo = {CVAR_SAVE, "r_water_fbo", "1", "enables use of render to texture for water effects, otherwise copy to texture is used (slower)"};
 190
 191 cvar_t r_lerpsprites = {CVAR_SAVE, "r_lerpsprites", "0", "enables animation smoothing on sprites"};
 192 cvar_t r_lerpmodels = {CVAR_SAVE, "r_lerpmodels", "1", "enables animation smoothing on models"};
 193 cvar_t r_lerplightstyles = {CVAR_SAVE, "r_lerplightstyles", "0", "enable animation smoothing on flickering lights"};
 194 cvar_t r_waterscroll = {CVAR_SAVE, "r_waterscroll", "1", "makes water scroll around, value controls how much"};
 195
 196 cvar_t r_bloom = {CVAR_SAVE, "r_bloom", "0", "enables bloom effect (makes bright pixels affect neighboring pixels)"};
 197 cvar_t r_bloom_colorscale = {CVAR_SAVE, "r_bloom_colorscale", "1", "how bright the glow is"};
 198
 199 cvar_t r_bloom_brighten = {CVAR_SAVE, "r_bloom_brighten", "2", "how bright the glow is, after subtract/power"};
 200 cvar_t r_bloom_blur = {CVAR_SAVE, "r_bloom_blur", "4", "how large the glow is"};
 201 cvar_t r_bloom_resolution = {CVAR_SAVE, "r_bloom_resolution", "320", "what resolution to perform the bloom effect at (independent of screen resolution)"};
 202 cvar_t r_bloom_colorexponent = {CVAR_SAVE, "r_bloom_colorexponent", "1", "how exaggerated the glow is"};
 203 cvar_t r_bloom_colorsubtract = {CVAR_SAVE, "r_bloom_colorsubtract", "0.125", "reduces bloom colors by a certain amount"};
 204
 205 cvar_t r_hdr_scenebrightness = {CVAR_SAVE, "r_hdr_scenebrightness", "1", "global rendering brightness"};
 206 cvar_t r_hdr_glowintensity = {CVAR_SAVE, "r_hdr_glowintensity", "1", "how bright light emitting textures should appear"};
 207 cvar_t r_hdr_irisadaptation = {CVAR_SAVE, "r_hdr_irisadaptation", "0", "adjust scene brightness according to light intensity at player location"};
 208 cvar_t r_hdr_irisadaptation_multiplier = {CVAR_SAVE, "r_hdr_irisadaptation_multiplier", "2", "brightness at which value will be 1.0"};
 209 cvar_t r_hdr_irisadaptation_minvalue = {CVAR_SAVE, "r_hdr_irisadaptation_minvalue", "0.5", "minimum value that can result from multiplier / brightness"};
 210 cvar_t r_hdr_irisadaptation_maxvalue = {CVAR_SAVE, "r_hdr_irisadaptation_maxvalue", "4", "maximum value that can result from multiplier / brightness"};
 211 cvar_t r_hdr_irisadaptation_value = {0, "r_hdr_irisadaptation_value", "1", "current value as scenebrightness multiplier, changes continuously when irisadaptation is active"};
 212 cvar_t r_hdr_irisadaptation_fade_up = {CVAR_SAVE, "r_hdr_irisadaptation_fade_up", "0.1", "fade rate at which value adjusts to darkness"};
 213 cvar_t r_hdr_irisadaptation_fade_down = {CVAR_SAVE, "r_hdr_irisadaptation_fade_down", "0.5", "fade rate at which value adjusts to brightness"};
 214 cvar_t r_hdr_irisadaptation_radius = {CVAR_SAVE, "r_hdr_irisadaptation_radius", "15", "lighting within this many units of the eye is averaged"};
 215
 216 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"};
 217
 218 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"};
 219
 220 cvar_t gl_lightmaps = {0, "gl_lightmaps", "0", "draws only lightmaps, no texture (for level designers)"};
 221
 222 cvar_t r_test = {0, "r_test", "0", "internal development use only, leave it alone (usually does nothing anyway)"};
 223
 224 cvar_t r_glsl_saturation = {CVAR_SAVE, "r_glsl_saturation", "1", "saturation multiplier (only working in glsl!)"};
 225 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"};
 226
 227 cvar_t r_glsl_vertextextureblend_usebothalphas = {CVAR_SAVE, "r_glsl_vertextextureblend_usebothalphas", "0", "use both alpha layers on vertex blended surfaces, each alpha layer sets amount of 'blend leak' on another layer."};
 228
 229 cvar_t r_framedatasize = {CVAR_SAVE, "r_framedatasize", "0.5", "size of renderer data cache used during one frame (for skeletal animation caching, light processing, etc)"};
 230
 231 extern cvar_t v_glslgamma;
 232 extern cvar_t v_glslgamma_2d;
 233
 234 extern qboolean v_flipped_state;
 235
 236 r_framebufferstate_t r_fb;
 237
 238 /// shadow volume bsp struct with automatically growing nodes buffer
 239 svbsp_t r_svbsp;
 240
 241 rtexture_t *r_texture_blanknormalmap;
 242 rtexture_t *r_texture_white;
 243 rtexture_t *r_texture_grey128;
 244 rtexture_t *r_texture_black;
 245 rtexture_t *r_texture_notexture;
 246 rtexture_t *r_texture_whitecube;
 247 rtexture_t *r_texture_normalizationcube;
 248 rtexture_t *r_texture_fogattenuation;
 249 rtexture_t *r_texture_fogheighttexture;
 250 rtexture_t *r_texture_gammaramps;
 251 unsigned int r_texture_gammaramps_serial;
 252 //rtexture_t *r_texture_fogintensity;
 253 rtexture_t *r_texture_reflectcube;
 254
 255 // TODO: hash lookups?
 256 typedef struct cubemapinfo_s
 257 {
 258         char basename[64];
 259         rtexture_t *texture;
 260 }
 261 cubemapinfo_t;
 262
 263 int r_texture_numcubemaps;
 264 cubemapinfo_t *r_texture_cubemaps[MAX_CUBEMAPS];
 265
 266 unsigned int r_queries[MAX_OCCLUSION_QUERIES];
 267 unsigned int r_numqueries;
 268 unsigned int r_maxqueries;
 269
 270 typedef struct r_qwskincache_s
 271 {
 272         char name[MAX_QPATH];
 273         skinframe_t *skinframe;
 274 }
 275 r_qwskincache_t;
 276
 277 static r_qwskincache_t *r_qwskincache;
 278 static int r_qwskincache_size;
 279
 280 /// vertex coordinates for a quad that covers the screen exactly
 281 extern const float r_screenvertex3f[12];
 282 extern const float r_d3dscreenvertex3f[12];
 283 const float r_screenvertex3f[12] =
 284 {
 285         0, 0, 0,
 286         1, 0, 0,
 287         1, 1, 0,
 288         0, 1, 0
 289 };
 290 const float r_d3dscreenvertex3f[12] =
 291 {
 292         0, 1, 0,
 293         1, 1, 0,
 294         1, 0, 0,
 295         0, 0, 0
 296 };
 297
 298 void R_ModulateColors(float *in, float *out, int verts, float r, float g, float b)
 299 {
 300         int i;
 301         for (i = 0;i < verts;i++)
 302         {
 303                 out[0] = in[0] * r;
 304                 out[1] = in[1] * g;
 305                 out[2] = in[2] * b;
 306                 out[3] = in[3];
 307                 in += 4;
 308                 out += 4;
 309         }
 310 }
 311
 312 void R_FillColors(float *out, int verts, float r, float g, float b, float a)
 313 {
 314         int i;
 315         for (i = 0;i < verts;i++)
 316         {
 317                 out[0] = r;
 318                 out[1] = g;
 319                 out[2] = b;
 320                 out[3] = a;
 321                 out += 4;
 322         }
 323 }
 324
 325 // FIXME: move this to client?
 326 void FOG_clear(void)
 327 {
 328         if (gamemode == GAME_NEHAHRA)
 329         {
 330                 Cvar_Set("gl_fogenable", "0");
 331                 Cvar_Set("gl_fogdensity", "0.2");
 332                 Cvar_Set("gl_fogred", "0.3");
 333                 Cvar_Set("gl_foggreen", "0.3");
 334                 Cvar_Set("gl_fogblue", "0.3");
 335         }
 336         r_refdef.fog_density = 0;
 337         r_refdef.fog_red = 0;
 338         r_refdef.fog_green = 0;
 339         r_refdef.fog_blue = 0;
 340         r_refdef.fog_alpha = 1;
 341         r_refdef.fog_start = 0;
 342         r_refdef.fog_end = 16384;
 343         r_refdef.fog_height = 1<<30;
 344         r_refdef.fog_fadedepth = 128;
 345         memset(r_refdef.fog_height_texturename, 0, sizeof(r_refdef.fog_height_texturename));
 346 }
 347
 348 static void R_BuildBlankTextures(void)
 349 {
 350         unsigned char data[4];
 351         data[2] = 128; // normal X
 352         data[1] = 128; // normal Y
 353         data[0] = 255; // normal Z
 354         data[3] = 255; // height
 355         r_texture_blanknormalmap = R_LoadTexture2D(r_main_texturepool, "blankbump", 1, 1, data, TEXTYPE_BGRA, TEXF_PERSISTENT, -1, NULL);
 356         data[0] = 255;
 357         data[1] = 255;
 358         data[2] = 255;
 359         data[3] = 255;
 360         r_texture_white = R_LoadTexture2D(r_main_texturepool, "blankwhite", 1, 1, data, TEXTYPE_BGRA, TEXF_PERSISTENT, -1, NULL);
 361         data[0] = 128;
 362         data[1] = 128;
 363         data[2] = 128;
 364         data[3] = 255;
 365         r_texture_grey128 = R_LoadTexture2D(r_main_texturepool, "blankgrey128", 1, 1, data, TEXTYPE_BGRA, TEXF_PERSISTENT, -1, NULL);
 366         data[0] = 0;
 367         data[1] = 0;
 368         data[2] = 0;
 369         data[3] = 255;
 370         r_texture_black = R_LoadTexture2D(r_main_texturepool, "blankblack", 1, 1, data, TEXTYPE_BGRA, TEXF_PERSISTENT, -1, NULL);
 371 }
 372
 373 static void R_BuildNoTexture(void)
 374 {
 375         int x, y;
 376         unsigned char pix[16][16][4];
 377         // this makes a light grey/dark grey checkerboard texture
 378         for (y = 0;y < 16;y++)
 379         {
 380                 for (x = 0;x < 16;x++)
 381                 {
 382                         if ((y < 8) ^ (x < 8))
 383                         {
 384                                 pix[y][x][0] = 128;
 385                                 pix[y][x][1] = 128;
 386                                 pix[y][x][2] = 128;
 387                                 pix[y][x][3] = 255;
 388                         }
 389                         else
 390                         {
 391                                 pix[y][x][0] = 64;
 392                                 pix[y][x][1] = 64;
 393                                 pix[y][x][2] = 64;
 394                                 pix[y][x][3] = 255;
 395                         }
 396                 }
 397         }
 398         r_texture_notexture = R_LoadTexture2D(r_main_texturepool, "notexture", 16, 16, &pix[0][0][0], TEXTYPE_BGRA, TEXF_MIPMAP | TEXF_PERSISTENT, -1, NULL);
 399 }
 400
 401 static void R_BuildWhiteCube(void)
 402 {
 403         unsigned char data[6*1*1*4];
 404         memset(data, 255, sizeof(data));
 405         r_texture_whitecube = R_LoadTextureCubeMap(r_main_texturepool, "whitecube", 1, data, TEXTYPE_BGRA, TEXF_CLAMP | TEXF_PERSISTENT, -1, NULL);
 406 }
 407
 408 static void R_BuildNormalizationCube(void)
 409 {
 410         int x, y, side;
 411         vec3_t v;
 412         vec_t s, t, intensity;
 413 #define NORMSIZE 64
 414         unsigned char *data;
 415         data = (unsigned char *)Mem_Alloc(tempmempool, 6*NORMSIZE*NORMSIZE*4);
 416         for (side = 0;side < 6;side++)
 417         {
 418                 for (y = 0;y < NORMSIZE;y++)
 419                 {
 420                         for (x = 0;x < NORMSIZE;x++)
 421                         {
 422                                 s = (x + 0.5f) * (2.0f / NORMSIZE) - 1.0f;
 423                                 t = (y + 0.5f) * (2.0f / NORMSIZE) - 1.0f;
 424                                 switch(side)
 425                                 {
 426                                 default:
 427                                 case 0:
 428                                         v[0] = 1;
 429                                         v[1] = -t;
 430                                         v[2] = -s;
 431                                         break;
 432                                 case 1:
 433                                         v[0] = -1;
 434                                         v[1] = -t;
 435                                         v[2] = s;
 436                                         break;
 437                                 case 2:
 438                                         v[0] = s;
 439                                         v[1] = 1;
 440                                         v[2] = t;
 441                                         break;
 442                                 case 3:
 443                                         v[0] = s;
 444                                         v[1] = -1;
 445                                         v[2] = -t;
 446                                         break;
 447                                 case 4:
 448                                         v[0] = s;
 449                                         v[1] = -t;
 450                                         v[2] = 1;
 451                                         break;
 452                                 case 5:
 453                                         v[0] = -s;
 454                                         v[1] = -t;
 455                                         v[2] = -1;
 456                                         break;
 457                                 }
 458                                 intensity = 127.0f / sqrt(DotProduct(v, v));
 459                                 data[((side*64+y)*64+x)*4+2] = (unsigned char)(128.0f + intensity * v[0]);
 460                                 data[((side*64+y)*64+x)*4+1] = (unsigned char)(128.0f + intensity * v[1]);
 461                                 data[((side*64+y)*64+x)*4+0] = (unsigned char)(128.0f + intensity * v[2]);
 462                                 data[((side*64+y)*64+x)*4+3] = 255;
 463                         }
 464                 }
 465         }
 466         r_texture_normalizationcube = R_LoadTextureCubeMap(r_main_texturepool, "normalcube", NORMSIZE, data, TEXTYPE_BGRA, TEXF_CLAMP | TEXF_PERSISTENT, -1, NULL);
 467         Mem_Free(data);
 468 }
 469
 470 static void R_BuildFogTexture(void)
 471 {
 472         int x, b;
 473 #define FOGWIDTH 256
 474         unsigned char data1[FOGWIDTH][4];
 475         //unsigned char data2[FOGWIDTH][4];
 476         double d, r, alpha;
 477
 478         r_refdef.fogmasktable_start = r_refdef.fog_start;
 479         r_refdef.fogmasktable_alpha = r_refdef.fog_alpha;
 480         r_refdef.fogmasktable_range = r_refdef.fogrange;
 481         r_refdef.fogmasktable_density = r_refdef.fog_density;
 482
 483         r = r_refdef.fogmasktable_range / FOGMASKTABLEWIDTH;
 484         for (x = 0;x < FOGMASKTABLEWIDTH;x++)
 485         {
 486                 d = (x * r - r_refdef.fogmasktable_start);
 487                 if(developer_extra.integer)
 488                         Con_DPrintf("%f ", d);
 489                 d = max(0, d);
 490                 if (r_fog_exp2.integer)
 491                         alpha = exp(-r_refdef.fogmasktable_density * r_refdef.fogmasktable_density * 0.0001 * d * d);
 492                 else
 493                         alpha = exp(-r_refdef.fogmasktable_density * 0.004 * d);
 494                 if(developer_extra.integer)
 495                         Con_DPrintf(" : %f ", alpha);
 496                 alpha = 1 - (1 - alpha) * r_refdef.fogmasktable_alpha;
 497                 if(developer_extra.integer)
 498                         Con_DPrintf(" = %f\n", alpha);
 499                 r_refdef.fogmasktable[x] = bound(0, alpha, 1);
 500         }
 501
 502         for (x = 0;x < FOGWIDTH;x++)
 503         {
 504                 b = (int)(r_refdef.fogmasktable[x * (FOGMASKTABLEWIDTH - 1) / (FOGWIDTH - 1)] * 255);
 505                 data1[x][0] = b;
 506                 data1[x][1] = b;
 507                 data1[x][2] = b;
 508                 data1[x][3] = 255;
 509                 //data2[x][0] = 255 - b;
 510                 //data2[x][1] = 255 - b;
 511                 //data2[x][2] = 255 - b;
 512                 //data2[x][3] = 255;
 513         }
 514         if (r_texture_fogattenuation)
 515         {
 516                 R_UpdateTexture(r_texture_fogattenuation, &data1[0][0], 0, 0, 0, FOGWIDTH, 1, 1);
 517                 //R_UpdateTexture(r_texture_fogattenuation, &data2[0][0], 0, 0, 0, FOGWIDTH, 1, 1);
 518         }
 519         else
 520         {
 521                 r_texture_fogattenuation = R_LoadTexture2D(r_main_texturepool, "fogattenuation", FOGWIDTH, 1, &data1[0][0], TEXTYPE_BGRA, TEXF_FORCELINEAR | TEXF_CLAMP | TEXF_PERSISTENT, -1, NULL);
 522                 //r_texture_fogintensity = R_LoadTexture2D(r_main_texturepool, "fogintensity", FOGWIDTH, 1, &data2[0][0], TEXTYPE_BGRA, TEXF_FORCELINEAR | TEXF_CLAMP, NULL);
 523         }
 524 }
 525
 526 static void R_BuildFogHeightTexture(void)
 527 {
 528         unsigned char *inpixels;
 529         int size;
 530         int x;
 531         int y;
 532         int j;
 533         float c[4];
 534         float f;
 535         inpixels = NULL;
 536         strlcpy(r_refdef.fogheighttexturename, r_refdef.fog_height_texturename, sizeof(r_refdef.fogheighttexturename));
 537         if (r_refdef.fogheighttexturename[0])
 538                 inpixels = loadimagepixelsbgra(r_refdef.fogheighttexturename, true, false, false, NULL);
 539         if (!inpixels)
 540         {
 541                 r_refdef.fog_height_tablesize = 0;
 542                 if (r_texture_fogheighttexture)
 543                         R_FreeTexture(r_texture_fogheighttexture);
 544                 r_texture_fogheighttexture = NULL;
 545                 if (r_refdef.fog_height_table2d)
 546                         Mem_Free(r_refdef.fog_height_table2d);
 547                 r_refdef.fog_height_table2d = NULL;
 548                 if (r_refdef.fog_height_table1d)
 549                         Mem_Free(r_refdef.fog_height_table1d);
 550                 r_refdef.fog_height_table1d = NULL;
 551                 return;
 552         }
 553         size = image_width;
 554         r_refdef.fog_height_tablesize = size;
 555         r_refdef.fog_height_table1d = (unsigned char *)Mem_Alloc(r_main_mempool, size * 4);
 556         r_refdef.fog_height_table2d = (unsigned char *)Mem_Alloc(r_main_mempool, size * size * 4);
 557         memcpy(r_refdef.fog_height_table1d, inpixels, size * 4);
 558         Mem_Free(inpixels);
 559         // LordHavoc: now the magic - what is that table2d for?  it is a cooked
 560         // average fog color table accounting for every fog layer between a point
 561         // and the camera.  (Note: attenuation is handled separately!)
 562         for (y = 0;y < size;y++)
 563         {
 564                 for (x = 0;x < size;x++)
 565                 {
 566                         Vector4Clear(c);
 567                         f = 0;
 568                         if (x < y)
 569                         {
 570                                 for (j = x;j <= y;j++)
 571                                 {
 572                                         Vector4Add(c, r_refdef.fog_height_table1d + j*4, c);
 573                                         f++;
 574                                 }
 575                         }
 576                         else
 577                         {
 578                                 for (j = x;j >= y;j--)
 579                                 {
 580                                         Vector4Add(c, r_refdef.fog_height_table1d + j*4, c);
 581                                         f++;
 582                                 }
 583                         }
 584                         f = 1.0f / f;
 585                         r_refdef.fog_height_table2d[(y*size+x)*4+0] = (unsigned char)(c[0] * f);
 586                         r_refdef.fog_height_table2d[(y*size+x)*4+1] = (unsigned char)(c[1] * f);
 587                         r_refdef.fog_height_table2d[(y*size+x)*4+2] = (unsigned char)(c[2] * f);
 588                         r_refdef.fog_height_table2d[(y*size+x)*4+3] = (unsigned char)(c[3] * f);
 589                 }
 590         }
 591         r_texture_fogheighttexture = R_LoadTexture2D(r_main_texturepool, "fogheighttable", size, size, r_refdef.fog_height_table2d, TEXTYPE_BGRA, TEXF_ALPHA | TEXF_CLAMP, -1, NULL);
 592 }
 593
 594 //=======================================================================================================================================================
 595
 596 static const char *builtinshaderstring =
 597 #include "shader_glsl.h"
 598 ;
 599
 600 const char *builtinhlslshaderstring =
 601 #include "shader_hlsl.h"
 602 ;
 603
 604 char *glslshaderstring = NULL;
 605 char *hlslshaderstring = NULL;
 606
 607 //=======================================================================================================================================================
 608
 609 typedef struct shaderpermutationinfo_s
 610 {
 611         const char *pretext;
 612         const char *name;
 613 }
 614 shaderpermutationinfo_t;
 615
 616 typedef struct shadermodeinfo_s
 617 {
 618         const char *vertexfilename;
 619         const char *geometryfilename;
 620         const char *fragmentfilename;
 621         const char *pretext;
 622         const char *name;
 623 }
 624 shadermodeinfo_t;
 625
 626 // NOTE: MUST MATCH ORDER OF SHADERPERMUTATION_* DEFINES!
 627 shaderpermutationinfo_t shaderpermutationinfo[SHADERPERMUTATION_COUNT] =
 628 {
 629         {"#define USEDIFFUSE\n", " diffuse"},
 630         {"#define USEVERTEXTEXTUREBLEND\n", " vertextextureblend"},
 631         {"#define USEVIEWTINT\n", " viewtint"},
 632         {"#define USECOLORMAPPING\n", " colormapping"},
 633         {"#define USESATURATION\n", " saturation"},
 634         {"#define USEFOGINSIDE\n", " foginside"},
 635         {"#define USEFOGOUTSIDE\n", " fogoutside"},
 636         {"#define USEFOGHEIGHTTEXTURE\n", " fogheighttexture"},
 637         {"#define USEFOGALPHAHACK\n", " fogalphahack"},
 638         {"#define USEGAMMARAMPS\n", " gammaramps"},
 639         {"#define USECUBEFILTER\n", " cubefilter"},
 640         {"#define USEGLOW\n", " glow"},
 641         {"#define USEBLOOM\n", " bloom"},
 642         {"#define USESPECULAR\n", " specular"},
 643         {"#define USEPOSTPROCESSING\n", " postprocessing"},
 644         {"#define USEREFLECTION\n", " reflection"},
 645         {"#define USEOFFSETMAPPING\n", " offsetmapping"},
 646         {"#define USEOFFSETMAPPING_RELIEFMAPPING\n", " reliefmapping"},
 647         {"#define USESHADOWMAP2D\n", " shadowmap2d"},
 648         {"#define USESHADOWMAPPCF 1\n", " shadowmappcf"}, // TODO make this a static parm
 649         {"#define USESHADOWMAPPCF 2\n", " shadowmappcf2"}, // TODO make this a static parm
 650         {"#define USESHADOWSAMPLER\n", " shadowsampler"}, // TODO make this a static parm
 651         {"#define USESHADOWMAPVSDCT\n", " shadowmapvsdct"}, // TODO make this a static parm
 652         {"#define USESHADOWMAPORTHO\n", " shadowmaportho"},
 653         {"#define USEDEFERREDLIGHTMAP\n", " deferredlightmap"},
 654         {"#define USEALPHAKILL\n", " alphakill"},
 655         {"#define USEREFLECTCUBE\n", " reflectcube"},
 656         {"#define USENORMALMAPSCROLLBLEND\n", " normalmapscrollblend"},
 657         {"#define USEBOUNCEGRID\n", " bouncegrid"},
 658         {"#define USEBOUNCEGRIDDIRECTIONAL\n", " bouncegriddirectional"}, // TODO make this a static parm
 659         {"#define USETRIPPY\n", " trippy"},
 660         {"#define USEDEPTHRGB\n", " depthrgb"},
 661 };
 662
 663 // NOTE: MUST MATCH ORDER OF SHADERMODE_* ENUMS!
 664 shadermodeinfo_t glslshadermodeinfo[SHADERMODE_COUNT] =
 665 {
 666         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_GENERIC\n", " generic"},
 667         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_POSTPROCESS\n", " postprocess"},
 668         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_DEPTH_OR_SHADOW\n", " depth/shadow"},
 669         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_FLATCOLOR\n", " flatcolor"},
 670         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_VERTEXCOLOR\n", " vertexcolor"},
 671         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_LIGHTMAP\n", " lightmap"},
 672         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_FAKELIGHT\n", " fakelight"},
 673         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_LIGHTDIRECTIONMAP_MODELSPACE\n", " lightdirectionmap_modelspace"},
 674         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_LIGHTDIRECTIONMAP_TANGENTSPACE\n", " lightdirectionmap_tangentspace"},
 675         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_LIGHTDIRECTIONMAP_FORCED_LIGHTMAP\n", " lightdirectionmap_forced_lightmap"},
 676         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_LIGHTDIRECTIONMAP_FORCED_VERTEXCOLOR\n", " lightdirectionmap_forced_vertexcolor"},
 677         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_LIGHTDIRECTION\n", " lightdirection"},
 678         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_LIGHTSOURCE\n", " lightsource"},
 679         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_REFRACTION\n", " refraction"},
 680         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_WATER\n", " water"},
 681         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_SHOWDEPTH\n", " showdepth"},
 682         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_DEFERREDGEOMETRY\n", " deferredgeometry"},
 683         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_DEFERREDLIGHTSOURCE\n", " deferredlightsource"},
 684 };
 685
 686 shadermodeinfo_t hlslshadermodeinfo[SHADERMODE_COUNT] =
 687 {
 688         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_GENERIC\n", " generic"},
 689         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_POSTPROCESS\n", " postprocess"},
 690         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_DEPTH_OR_SHADOW\n", " depth/shadow"},
 691         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_FLATCOLOR\n", " flatcolor"},
 692         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_VERTEXCOLOR\n", " vertexcolor"},
 693         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_LIGHTMAP\n", " lightmap"},
 694         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_FAKELIGHT\n", " fakelight"},
 695         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_LIGHTDIRECTIONMAP_MODELSPACE\n", " lightdirectionmap_modelspace"},
 696         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_LIGHTDIRECTIONMAP_TANGENTSPACE\n", " lightdirectionmap_tangentspace"},
 697         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_LIGHTDIRECTIONMAP_FORCED_LIGHTMAP\n", " lightdirectionmap_forced_lightmap"},
 698         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_LIGHTDIRECTIONMAP_FORCED_VERTEXCOLOR\n", " lightdirectionmap_forced_vertexcolor"},
 699         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_LIGHTDIRECTION\n", " lightdirection"},
 700         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_LIGHTSOURCE\n", " lightsource"},
 701         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_REFRACTION\n", " refraction"},
 702         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_WATER\n", " water"},
 703         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_SHOWDEPTH\n", " showdepth"},
 704         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_DEFERREDGEOMETRY\n", " deferredgeometry"},
 705         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_DEFERREDLIGHTSOURCE\n", " deferredlightsource"},
 706 };
 707
 708 struct r_glsl_permutation_s;
 709 typedef struct r_glsl_permutation_s
 710 {
 711         /// hash lookup data
 712         struct r_glsl_permutation_s *hashnext;
 713         unsigned int mode;
 714         unsigned int permutation;
 715
 716         /// indicates if we have tried compiling this permutation already
 717         qboolean compiled;
 718         /// 0 if compilation failed
 719         int program;
 720         // texture units assigned to each detected uniform
 721         int tex_Texture_First;
 722         int tex_Texture_Second;
 723         int tex_Texture_GammaRamps;
 724         int tex_Texture_Normal;
 725         int tex_Texture_Color;
 726         int tex_Texture_Gloss;
 727         int tex_Texture_Glow;
 728         int tex_Texture_SecondaryNormal;
 729         int tex_Texture_SecondaryColor;
 730         int tex_Texture_SecondaryGloss;
 731         int tex_Texture_SecondaryGlow;
 732         int tex_Texture_Pants;
 733         int tex_Texture_Shirt;
 734         int tex_Texture_FogHeightTexture;
 735         int tex_Texture_FogMask;
 736         int tex_Texture_Lightmap;
 737         int tex_Texture_Deluxemap;
 738         int tex_Texture_Attenuation;
 739         int tex_Texture_Cube;
 740         int tex_Texture_Refraction;
 741         int tex_Texture_Reflection;
 742         int tex_Texture_ShadowMap2D;
 743         int tex_Texture_CubeProjection;
 744         int tex_Texture_ScreenNormalMap;
 745         int tex_Texture_ScreenDiffuse;
 746         int tex_Texture_ScreenSpecular;
 747         int tex_Texture_ReflectMask;
 748         int tex_Texture_ReflectCube;
 749         int tex_Texture_BounceGrid;
 750         /// locations of detected uniforms in program object, or -1 if not found
 751         int loc_Texture_First;
 752         int loc_Texture_Second;
 753         int loc_Texture_GammaRamps;
 754         int loc_Texture_Normal;
 755         int loc_Texture_Color;
 756         int loc_Texture_Gloss;
 757         int loc_Texture_Glow;
 758         int loc_Texture_SecondaryNormal;
 759         int loc_Texture_SecondaryColor;
 760         int loc_Texture_SecondaryGloss;
 761         int loc_Texture_SecondaryGlow;
 762         int loc_Texture_Pants;
 763         int loc_Texture_Shirt;
 764         int loc_Texture_FogHeightTexture;
 765         int loc_Texture_FogMask;
 766         int loc_Texture_Lightmap;
 767         int loc_Texture_Deluxemap;
 768         int loc_Texture_Attenuation;
 769         int loc_Texture_Cube;
 770         int loc_Texture_Refraction;
 771         int loc_Texture_Reflection;
 772         int loc_Texture_ShadowMap2D;
 773         int loc_Texture_CubeProjection;
 774         int loc_Texture_ScreenNormalMap;
 775         int loc_Texture_ScreenDiffuse;
 776         int loc_Texture_ScreenSpecular;
 777         int loc_Texture_ReflectMask;
 778         int loc_Texture_ReflectCube;
 779         int loc_Texture_BounceGrid;
 780         int loc_Alpha;
 781         int loc_BloomBlur_Parameters;
 782         int loc_ClientTime;
 783         int loc_Color_Ambient;
 784         int loc_Color_Diffuse;
 785         int loc_Color_Specular;
 786         int loc_Color_Glow;
 787         int loc_Color_Pants;
 788         int loc_Color_Shirt;
 789         int loc_DeferredColor_Ambient;
 790         int loc_DeferredColor_Diffuse;
 791         int loc_DeferredColor_Specular;
 792         int loc_DeferredMod_Diffuse;
 793         int loc_DeferredMod_Specular;
 794         int loc_DistortScaleRefractReflect;
 795         int loc_EyePosition;
 796         int loc_FogColor;
 797         int loc_FogHeightFade;
 798         int loc_FogPlane;
 799         int loc_FogPlaneViewDist;
 800         int loc_FogRangeRecip;
 801         int loc_LightColor;
 802         int loc_LightDir;
 803         int loc_LightPosition;
 804         int loc_OffsetMapping_ScaleSteps;
 805         int loc_OffsetMapping_LodDistance;
 806         int loc_OffsetMapping_Bias;
 807         int loc_PixelSize;
 808         int loc_ReflectColor;
 809         int loc_ReflectFactor;
 810         int loc_ReflectOffset;
 811         int loc_RefractColor;
 812         int loc_Saturation;
 813         int loc_ScreenCenterRefractReflect;
 814         int loc_ScreenScaleRefractReflect;
 815         int loc_ScreenToDepth;
 816         int loc_ShadowMap_Parameters;
 817         int loc_ShadowMap_TextureScale;
 818         int loc_SpecularPower;
 819         int loc_UserVec1;
 820         int loc_UserVec2;
 821         int loc_UserVec3;
 822         int loc_UserVec4;
 823         int loc_ViewTintColor;
 824         int loc_ViewToLight;
 825         int loc_ModelToLight;
 826         int loc_TexMatrix;
 827         int loc_BackgroundTexMatrix;
 828         int loc_ModelViewProjectionMatrix;
 829         int loc_ModelViewMatrix;
 830         int loc_PixelToScreenTexCoord;
 831         int loc_ModelToReflectCube;
 832         int loc_ShadowMapMatrix;
 833         int loc_BloomColorSubtract;
 834         int loc_NormalmapScrollBlend;
 835         int loc_BounceGridMatrix;
 836         int loc_BounceGridIntensity;
 837 }
 838 r_glsl_permutation_t;
 839
 840 #define SHADERPERMUTATION_HASHSIZE 256
 841
 842
 843 // non-degradable "lightweight" shader parameters to keep the permutations simpler
 844 // these can NOT degrade! only use for simple stuff
 845 enum
 846 {
 847         SHADERSTATICPARM_SATURATION_REDCOMPENSATE = 0, ///< red compensation filter for saturation
 848         SHADERSTATICPARM_EXACTSPECULARMATH = 1, ///< (lightsource or deluxemapping) use exact reflection map for specular effects, as opposed to the usual OpenGL approximation
 849         SHADERSTATICPARM_POSTPROCESS_USERVEC1 = 2, ///< postprocess uservec1 is enabled
 850         SHADERSTATICPARM_POSTPROCESS_USERVEC2 = 3, ///< postprocess uservec2 is enabled
 851         SHADERSTATICPARM_POSTPROCESS_USERVEC3 = 4, ///< postprocess uservec3 is enabled
 852         SHADERSTATICPARM_POSTPROCESS_USERVEC4 = 5,  ///< postprocess uservec4 is enabled
 853         SHADERSTATICPARM_VERTEXTEXTUREBLEND_USEBOTHALPHAS = 6, // use both alpha layers while blending materials, allows more advanced microblending
 854         SHADERSTATICPARM_OFFSETMAPPING_USELOD = 7,  ///< LOD for offsetmapping
 855 };
 856 #define SHADERSTATICPARMS_COUNT 8
 857
 858 static const char *shaderstaticparmstrings_list[SHADERSTATICPARMS_COUNT];
 859 static int shaderstaticparms_count = 0;
 860
 861 static unsigned int r_compileshader_staticparms[(SHADERSTATICPARMS_COUNT + 0x1F) >> 5] = {0};
 862 #define R_COMPILESHADER_STATICPARM_ENABLE(p) r_compileshader_staticparms[(p) >> 5] |= (1 << ((p) & 0x1F))
 863 static qboolean R_CompileShader_CheckStaticParms(void)
 864 {
 865         static int r_compileshader_staticparms_save[1];
 866         memcpy(r_compileshader_staticparms_save, r_compileshader_staticparms, sizeof(r_compileshader_staticparms));
 867         memset(r_compileshader_staticparms, 0, sizeof(r_compileshader_staticparms));
 868
 869         // detect all
 870         if (r_glsl_saturation_redcompensate.integer)
 871                 R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_SATURATION_REDCOMPENSATE);
 872         if (r_glsl_vertextextureblend_usebothalphas.integer)
 873                 R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_VERTEXTEXTUREBLEND_USEBOTHALPHAS);
 874         if (r_shadow_glossexact.integer)
 875                 R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_EXACTSPECULARMATH);
 876         if (r_glsl_postprocess.integer)
 877         {
 878                 if (r_glsl_postprocess_uservec1_enable.integer)
 879                         R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_POSTPROCESS_USERVEC1);
 880                 if (r_glsl_postprocess_uservec2_enable.integer)
 881                         R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_POSTPROCESS_USERVEC2);
 882                 if (r_glsl_postprocess_uservec3_enable.integer)
 883                         R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_POSTPROCESS_USERVEC3);
 884                 if (r_glsl_postprocess_uservec4_enable.integer)
 885                         R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_POSTPROCESS_USERVEC4);
 886         }
 887         if (r_glsl_offsetmapping_lod.integer && r_glsl_offsetmapping_lod_distance.integer > 0)
 888                 R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_OFFSETMAPPING_USELOD);
 889         return memcmp(r_compileshader_staticparms, r_compileshader_staticparms_save, sizeof(r_compileshader_staticparms)) != 0;
 890 }
 891
 892 #define R_COMPILESHADER_STATICPARM_EMIT(p, n) \
 893         if(r_compileshader_staticparms[(p) >> 5] & (1 << ((p) & 0x1F))) \
 894                 shaderstaticparmstrings_list[shaderstaticparms_count++] = "#define " n "\n"; \
 895         else \
 896                 shaderstaticparmstrings_list[shaderstaticparms_count++] = "\n"
 897 static void R_CompileShader_AddStaticParms(unsigned int mode, unsigned int permutation)
 898 {
 899         shaderstaticparms_count = 0;
 900
 901         // emit all
 902         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_SATURATION_REDCOMPENSATE, "SATURATION_REDCOMPENSATE");
 903         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_EXACTSPECULARMATH, "USEEXACTSPECULARMATH");
 904         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_POSTPROCESS_USERVEC1, "USERVEC1");
 905         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_POSTPROCESS_USERVEC2, "USERVEC2");
 906         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_POSTPROCESS_USERVEC3, "USERVEC3");
 907         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_POSTPROCESS_USERVEC4, "USERVEC4");
 908         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_VERTEXTEXTUREBLEND_USEBOTHALPHAS, "USEBOTHALPHAS");
 909         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_OFFSETMAPPING_USELOD, "USEOFFSETMAPPING_LOD");
 910 }
 911
 912 /// information about each possible shader permutation
 913 r_glsl_permutation_t *r_glsl_permutationhash[SHADERMODE_COUNT][SHADERPERMUTATION_HASHSIZE];
 914 /// currently selected permutation
 915 r_glsl_permutation_t *r_glsl_permutation;
 916 /// storage for permutations linked in the hash table
 917 memexpandablearray_t r_glsl_permutationarray;
 918
 919 static r_glsl_permutation_t *R_GLSL_FindPermutation(unsigned int mode, unsigned int permutation)
 920 {
 921         //unsigned int hashdepth = 0;
 922         unsigned int hashindex = (permutation * 0x1021) & (SHADERPERMUTATION_HASHSIZE - 1);
 923         r_glsl_permutation_t *p;
 924         for (p = r_glsl_permutationhash[mode][hashindex];p;p = p->hashnext)
 925         {
 926                 if (p->mode == mode && p->permutation == permutation)
 927                 {
 928                         //if (hashdepth > 10)
 929                         //      Con_Printf("R_GLSL_FindPermutation: Warning: %i:%i has hashdepth %i\n", mode, permutation, hashdepth);
 930                         return p;
 931                 }
 932                 //hashdepth++;
 933         }
 934         p = (r_glsl_permutation_t*)Mem_ExpandableArray_AllocRecord(&r_glsl_permutationarray);
 935         p->mode = mode;
 936         p->permutation = permutation;
 937         p->hashnext = r_glsl_permutationhash[mode][hashindex];
 938         r_glsl_permutationhash[mode][hashindex] = p;
 939         //if (hashdepth > 10)
 940         //      Con_Printf("R_GLSL_FindPermutation: Warning: %i:%i has hashdepth %i\n", mode, permutation, hashdepth);
 941         return p;
 942 }
 943
 944 static char *R_GLSL_GetText(const char *filename, qboolean printfromdisknotice)
 945 {
 946         char *shaderstring;
 947         if (!filename || !filename[0])
 948                 return NULL;
 949         if (!strcmp(filename, "glsl/default.glsl"))
 950         {
 951                 if (!glslshaderstring)
 952                 {
 953                         glslshaderstring = (char *)FS_LoadFile(filename, r_main_mempool, false, NULL);
 954                         if (glslshaderstring)
 955                                 Con_DPrintf("Loading shaders from file %s...\n", filename);
 956                         else
 957                                 glslshaderstring = (char *)builtinshaderstring;
 958                 }
 959                 shaderstring = (char *) Mem_Alloc(r_main_mempool, strlen(glslshaderstring) + 1);
 960                 memcpy(shaderstring, glslshaderstring, strlen(glslshaderstring) + 1);
 961                 return shaderstring;
 962         }
 963         shaderstring = (char *)FS_LoadFile(filename, r_main_mempool, false, NULL);
 964         if (shaderstring)
 965         {
 966                 if (printfromdisknotice)
 967                         Con_DPrintf("from disk %s... ", filename);
 968                 return shaderstring;
 969         }
 970         return shaderstring;
 971 }
 972
 973 static void R_GLSL_CompilePermutation(r_glsl_permutation_t *p, unsigned int mode, unsigned int permutation)
 974 {
 975         int i;
 976         int sampler;
 977         shadermodeinfo_t *modeinfo = glslshadermodeinfo + mode;
 978         char *vertexstring, *geometrystring, *fragmentstring;
 979         char permutationname[256];
 980         int vertstrings_count = 0;
 981         int geomstrings_count = 0;
 982         int fragstrings_count = 0;
 983         const char *vertstrings_list[32+5+SHADERSTATICPARMS_COUNT+1];
 984         const char *geomstrings_list[32+5+SHADERSTATICPARMS_COUNT+1];
 985         const char *fragstrings_list[32+5+SHADERSTATICPARMS_COUNT+1];
 986
 987         if (p->compiled)
 988                 return;
 989         p->compiled = true;
 990         p->program = 0;
 991
 992         permutationname[0] = 0;
 993         vertexstring   = R_GLSL_GetText(modeinfo->vertexfilename, true);
 994         geometrystring = R_GLSL_GetText(modeinfo->geometryfilename, false);
 995         fragmentstring = R_GLSL_GetText(modeinfo->fragmentfilename, false);
 996
 997         strlcat(permutationname, modeinfo->vertexfilename, sizeof(permutationname));
 998
 999         // if we can do #version 130, we should (this improves quality of offset/reliefmapping thanks to textureGrad)
1000         if(vid.support.gl20shaders130)
1001         {
1002                 vertstrings_list[vertstrings_count++] = "#version 130\n";
1003                 geomstrings_list[geomstrings_count++] = "#version 130\n";
1004                 fragstrings_list[fragstrings_count++] = "#version 130\n";
1005                 vertstrings_list[vertstrings_count++] = "#define GLSL130\n";
1006                 geomstrings_list[geomstrings_count++] = "#define GLSL130\n";
1007                 fragstrings_list[fragstrings_count++] = "#define GLSL130\n";
1008         }
1009
1010         // the first pretext is which type of shader to compile as
1011         // (later these will all be bound together as a program object)
1012         vertstrings_list[vertstrings_count++] = "#define VERTEX_SHADER\n";
1013         geomstrings_list[geomstrings_count++] = "#define GEOMETRY_SHADER\n";
1014         fragstrings_list[fragstrings_count++] = "#define FRAGMENT_SHADER\n";
1015
1016         // the second pretext is the mode (for example a light source)
1017         vertstrings_list[vertstrings_count++] = modeinfo->pretext;
1018         geomstrings_list[geomstrings_count++] = modeinfo->pretext;
1019         fragstrings_list[fragstrings_count++] = modeinfo->pretext;
1020         strlcat(permutationname, modeinfo->name, sizeof(permutationname));
1021
1022         // now add all the permutation pretexts
1023         for (i = 0;i < SHADERPERMUTATION_COUNT;i++)
1024         {
1025                 if (permutation & (1<<i))
1026                 {
1027                         vertstrings_list[vertstrings_count++] = shaderpermutationinfo[i].pretext;
1028                         geomstrings_list[geomstrings_count++] = shaderpermutationinfo[i].pretext;
1029                         fragstrings_list[fragstrings_count++] = shaderpermutationinfo[i].pretext;
1030                         strlcat(permutationname, shaderpermutationinfo[i].name, sizeof(permutationname));
1031                 }
1032                 else
1033                 {
1034                         // keep line numbers correct
1035                         vertstrings_list[vertstrings_count++] = "\n";
1036                         geomstrings_list[geomstrings_count++] = "\n";
1037                         fragstrings_list[fragstrings_count++] = "\n";
1038                 }
1039         }
1040
1041         // add static parms
1042         R_CompileShader_AddStaticParms(mode, permutation);
1043         memcpy((char *)(vertstrings_list + vertstrings_count), shaderstaticparmstrings_list, sizeof(*vertstrings_list) * shaderstaticparms_count);
1044         vertstrings_count += shaderstaticparms_count;
1045         memcpy((char *)(geomstrings_list + geomstrings_count), shaderstaticparmstrings_list, sizeof(*vertstrings_list) * shaderstaticparms_count);
1046         geomstrings_count += shaderstaticparms_count;
1047         memcpy((char *)(fragstrings_list + fragstrings_count), shaderstaticparmstrings_list, sizeof(*vertstrings_list) * shaderstaticparms_count);
1048         fragstrings_count += shaderstaticparms_count;
1049
1050         // now append the shader text itself
1051         vertstrings_list[vertstrings_count++] = vertexstring;
1052         geomstrings_list[geomstrings_count++] = geometrystring;
1053         fragstrings_list[fragstrings_count++] = fragmentstring;
1054
1055         // if any sources were NULL, clear the respective list
1056         if (!vertexstring)
1057                 vertstrings_count = 0;
1058         if (!geometrystring)
1059                 geomstrings_count = 0;
1060         if (!fragmentstring)
1061                 fragstrings_count = 0;
1062
1063         // compile the shader program
1064         if (vertstrings_count + geomstrings_count + fragstrings_count)
1065                 p->program = GL_Backend_CompileProgram(vertstrings_count, vertstrings_list, geomstrings_count, geomstrings_list, fragstrings_count, fragstrings_list);
1066         if (p->program)
1067         {
1068                 CHECKGLERROR
1069                 qglUseProgram(p->program);CHECKGLERROR
1070                 // look up all the uniform variable names we care about, so we don't
1071                 // have to look them up every time we set them
1072
1073                 p->loc_Texture_First              = qglGetUniformLocation(p->program, "Texture_First");
1074                 p->loc_Texture_Second             = qglGetUniformLocation(p->program, "Texture_Second");
1075                 p->loc_Texture_GammaRamps         = qglGetUniformLocation(p->program, "Texture_GammaRamps");
1076                 p->loc_Texture_Normal             = qglGetUniformLocation(p->program, "Texture_Normal");
1077                 p->loc_Texture_Color              = qglGetUniformLocation(p->program, "Texture_Color");
1078                 p->loc_Texture_Gloss              = qglGetUniformLocation(p->program, "Texture_Gloss");
1079                 p->loc_Texture_Glow               = qglGetUniformLocation(p->program, "Texture_Glow");
1080                 p->loc_Texture_SecondaryNormal    = qglGetUniformLocation(p->program, "Texture_SecondaryNormal");
1081                 p->loc_Texture_SecondaryColor     = qglGetUniformLocation(p->program, "Texture_SecondaryColor");
1082                 p->loc_Texture_SecondaryGloss     = qglGetUniformLocation(p->program, "Texture_SecondaryGloss");
1083                 p->loc_Texture_SecondaryGlow      = qglGetUniformLocation(p->program, "Texture_SecondaryGlow");
1084                 p->loc_Texture_Pants              = qglGetUniformLocation(p->program, "Texture_Pants");
1085                 p->loc_Texture_Shirt              = qglGetUniformLocation(p->program, "Texture_Shirt");
1086                 p->loc_Texture_FogHeightTexture   = qglGetUniformLocation(p->program, "Texture_FogHeightTexture");
1087                 p->loc_Texture_FogMask            = qglGetUniformLocation(p->program, "Texture_FogMask");
1088                 p->loc_Texture_Lightmap           = qglGetUniformLocation(p->program, "Texture_Lightmap");
1089                 p->loc_Texture_Deluxemap          = qglGetUniformLocation(p->program, "Texture_Deluxemap");
1090                 p->loc_Texture_Attenuation        = qglGetUniformLocation(p->program, "Texture_Attenuation");
1091                 p->loc_Texture_Cube               = qglGetUniformLocation(p->program, "Texture_Cube");
1092                 p->loc_Texture_Refraction         = qglGetUniformLocation(p->program, "Texture_Refraction");
1093                 p->loc_Texture_Reflection         = qglGetUniformLocation(p->program, "Texture_Reflection");
1094                 p->loc_Texture_ShadowMap2D        = qglGetUniformLocation(p->program, "Texture_ShadowMap2D");
1095                 p->loc_Texture_CubeProjection     = qglGetUniformLocation(p->program, "Texture_CubeProjection");
1096                 p->loc_Texture_ScreenNormalMap    = qglGetUniformLocation(p->program, "Texture_ScreenNormalMap");
1097                 p->loc_Texture_ScreenDiffuse      = qglGetUniformLocation(p->program, "Texture_ScreenDiffuse");
1098                 p->loc_Texture_ScreenSpecular     = qglGetUniformLocation(p->program, "Texture_ScreenSpecular");
1099                 p->loc_Texture_ReflectMask        = qglGetUniformLocation(p->program, "Texture_ReflectMask");
1100                 p->loc_Texture_ReflectCube        = qglGetUniformLocation(p->program, "Texture_ReflectCube");
1101                 p->loc_Texture_BounceGrid         = qglGetUniformLocation(p->program, "Texture_BounceGrid");
1102                 p->loc_Alpha                      = qglGetUniformLocation(p->program, "Alpha");
1103                 p->loc_BloomBlur_Parameters       = qglGetUniformLocation(p->program, "BloomBlur_Parameters");
1104                 p->loc_ClientTime                 = qglGetUniformLocation(p->program, "ClientTime");
1105                 p->loc_Color_Ambient              = qglGetUniformLocation(p->program, "Color_Ambient");
1106                 p->loc_Color_Diffuse              = qglGetUniformLocation(p->program, "Color_Diffuse");
1107                 p->loc_Color_Specular             = qglGetUniformLocation(p->program, "Color_Specular");
1108                 p->loc_Color_Glow                 = qglGetUniformLocation(p->program, "Color_Glow");
1109                 p->loc_Color_Pants                = qglGetUniformLocation(p->program, "Color_Pants");
1110                 p->loc_Color_Shirt                = qglGetUniformLocation(p->program, "Color_Shirt");
1111                 p->loc_DeferredColor_Ambient      = qglGetUniformLocation(p->program, "DeferredColor_Ambient");
1112                 p->loc_DeferredColor_Diffuse      = qglGetUniformLocation(p->program, "DeferredColor_Diffuse");
1113                 p->loc_DeferredColor_Specular     = qglGetUniformLocation(p->program, "DeferredColor_Specular");
1114                 p->loc_DeferredMod_Diffuse        = qglGetUniformLocation(p->program, "DeferredMod_Diffuse");
1115                 p->loc_DeferredMod_Specular       = qglGetUniformLocation(p->program, "DeferredMod_Specular");
1116                 p->loc_DistortScaleRefractReflect = qglGetUniformLocation(p->program, "DistortScaleRefractReflect");
1117                 p->loc_EyePosition                = qglGetUniformLocation(p->program, "EyePosition");
1118                 p->loc_FogColor                   = qglGetUniformLocation(p->program, "FogColor");
1119                 p->loc_FogHeightFade              = qglGetUniformLocation(p->program, "FogHeightFade");
1120                 p->loc_FogPlane                   = qglGetUniformLocation(p->program, "FogPlane");
1121                 p->loc_FogPlaneViewDist           = qglGetUniformLocation(p->program, "FogPlaneViewDist");
1122                 p->loc_FogRangeRecip              = qglGetUniformLocation(p->program, "FogRangeRecip");
1123                 p->loc_LightColor                 = qglGetUniformLocation(p->program, "LightColor");
1124                 p->loc_LightDir                   = qglGetUniformLocation(p->program, "LightDir");
1125                 p->loc_LightPosition              = qglGetUniformLocation(p->program, "LightPosition");
1126                 p->loc_OffsetMapping_ScaleSteps   = qglGetUniformLocation(p->program, "OffsetMapping_ScaleSteps");
1127                 p->loc_OffsetMapping_LodDistance  = qglGetUniformLocation(p->program, "OffsetMapping_LodDistance");
1128                 p->loc_OffsetMapping_Bias         = qglGetUniformLocation(p->program, "OffsetMapping_Bias");
1129                 p->loc_PixelSize                  = qglGetUniformLocation(p->program, "PixelSize");
1130                 p->loc_ReflectColor               = qglGetUniformLocation(p->program, "ReflectColor");
1131                 p->loc_ReflectFactor              = qglGetUniformLocation(p->program, "ReflectFactor");
1132                 p->loc_ReflectOffset              = qglGetUniformLocation(p->program, "ReflectOffset");
1133                 p->loc_RefractColor               = qglGetUniformLocation(p->program, "RefractColor");
1134                 p->loc_Saturation                 = qglGetUniformLocation(p->program, "Saturation");
1135                 p->loc_ScreenCenterRefractReflect = qglGetUniformLocation(p->program, "ScreenCenterRefractReflect");
1136                 p->loc_ScreenScaleRefractReflect  = qglGetUniformLocation(p->program, "ScreenScaleRefractReflect");
1137                 p->loc_ScreenToDepth              = qglGetUniformLocation(p->program, "ScreenToDepth");
1138                 p->loc_ShadowMap_Parameters       = qglGetUniformLocation(p->program, "ShadowMap_Parameters");
1139                 p->loc_ShadowMap_TextureScale     = qglGetUniformLocation(p->program, "ShadowMap_TextureScale");
1140                 p->loc_SpecularPower              = qglGetUniformLocation(p->program, "SpecularPower");
1141                 p->loc_UserVec1                   = qglGetUniformLocation(p->program, "UserVec1");
1142                 p->loc_UserVec2                   = qglGetUniformLocation(p->program, "UserVec2");
1143                 p->loc_UserVec3                   = qglGetUniformLocation(p->program, "UserVec3");
1144                 p->loc_UserVec4                   = qglGetUniformLocation(p->program, "UserVec4");
1145                 p->loc_ViewTintColor              = qglGetUniformLocation(p->program, "ViewTintColor");
1146                 p->loc_ViewToLight                = qglGetUniformLocation(p->program, "ViewToLight");
1147                 p->loc_ModelToLight               = qglGetUniformLocation(p->program, "ModelToLight");
1148                 p->loc_TexMatrix                  = qglGetUniformLocation(p->program, "TexMatrix");
1149                 p->loc_BackgroundTexMatrix        = qglGetUniformLocation(p->program, "BackgroundTexMatrix");
1150                 p->loc_ModelViewMatrix            = qglGetUniformLocation(p->program, "ModelViewMatrix");
1151                 p->loc_ModelViewProjectionMatrix  = qglGetUniformLocation(p->program, "ModelViewProjectionMatrix");
1152                 p->loc_PixelToScreenTexCoord      = qglGetUniformLocation(p->program, "PixelToScreenTexCoord");
1153                 p->loc_ModelToReflectCube         = qglGetUniformLocation(p->program, "ModelToReflectCube");
1154                 p->loc_ShadowMapMatrix            = qglGetUniformLocation(p->program, "ShadowMapMatrix");
1155                 p->loc_BloomColorSubtract         = qglGetUniformLocation(p->program, "BloomColorSubtract");
1156                 p->loc_NormalmapScrollBlend       = qglGetUniformLocation(p->program, "NormalmapScrollBlend");
1157                 p->loc_BounceGridMatrix           = qglGetUniformLocation(p->program, "BounceGridMatrix");
1158                 p->loc_BounceGridIntensity        = qglGetUniformLocation(p->program, "BounceGridIntensity");
1159                 // initialize the samplers to refer to the texture units we use
1160                 p->tex_Texture_First = -1;
1161                 p->tex_Texture_Second = -1;
1162                 p->tex_Texture_GammaRamps = -1;
1163                 p->tex_Texture_Normal = -1;
1164                 p->tex_Texture_Color = -1;
1165                 p->tex_Texture_Gloss = -1;
1166                 p->tex_Texture_Glow = -1;
1167                 p->tex_Texture_SecondaryNormal = -1;
1168                 p->tex_Texture_SecondaryColor = -1;
1169                 p->tex_Texture_SecondaryGloss = -1;
1170                 p->tex_Texture_SecondaryGlow = -1;
1171                 p->tex_Texture_Pants = -1;
1172                 p->tex_Texture_Shirt = -1;
1173                 p->tex_Texture_FogHeightTexture = -1;
1174                 p->tex_Texture_FogMask = -1;
1175                 p->tex_Texture_Lightmap = -1;
1176                 p->tex_Texture_Deluxemap = -1;
1177                 p->tex_Texture_Attenuation = -1;
1178                 p->tex_Texture_Cube = -1;
1179                 p->tex_Texture_Refraction = -1;
1180                 p->tex_Texture_Reflection = -1;
1181                 p->tex_Texture_ShadowMap2D = -1;
1182                 p->tex_Texture_CubeProjection = -1;
1183                 p->tex_Texture_ScreenNormalMap = -1;
1184                 p->tex_Texture_ScreenDiffuse = -1;
1185                 p->tex_Texture_ScreenSpecular = -1;
1186                 p->tex_Texture_ReflectMask = -1;
1187                 p->tex_Texture_ReflectCube = -1;
1188                 p->tex_Texture_BounceGrid = -1;
1189                 sampler = 0;
1190                 if (p->loc_Texture_First           >= 0) {p->tex_Texture_First            = sampler;qglUniform1i(p->loc_Texture_First           , sampler);sampler++;}
1191                 if (p->loc_Texture_Second          >= 0) {p->tex_Texture_Second           = sampler;qglUniform1i(p->loc_Texture_Second          , sampler);sampler++;}
1192                 if (p->loc_Texture_GammaRamps      >= 0) {p->tex_Texture_GammaRamps       = sampler;qglUniform1i(p->loc_Texture_GammaRamps      , sampler);sampler++;}
1193                 if (p->loc_Texture_Normal          >= 0) {p->tex_Texture_Normal           = sampler;qglUniform1i(p->loc_Texture_Normal          , sampler);sampler++;}
1194                 if (p->loc_Texture_Color           >= 0) {p->tex_Texture_Color            = sampler;qglUniform1i(p->loc_Texture_Color           , sampler);sampler++;}
1195                 if (p->loc_Texture_Gloss           >= 0) {p->tex_Texture_Gloss            = sampler;qglUniform1i(p->loc_Texture_Gloss           , sampler);sampler++;}
1196                 if (p->loc_Texture_Glow            >= 0) {p->tex_Texture_Glow             = sampler;qglUniform1i(p->loc_Texture_Glow            , sampler);sampler++;}
1197                 if (p->loc_Texture_SecondaryNormal >= 0) {p->tex_Texture_SecondaryNormal  = sampler;qglUniform1i(p->loc_Texture_SecondaryNormal , sampler);sampler++;}
1198                 if (p->loc_Texture_SecondaryColor  >= 0) {p->tex_Texture_SecondaryColor   = sampler;qglUniform1i(p->loc_Texture_SecondaryColor  , sampler);sampler++;}
1199                 if (p->loc_Texture_SecondaryGloss  >= 0) {p->tex_Texture_SecondaryGloss   = sampler;qglUniform1i(p->loc_Texture_SecondaryGloss  , sampler);sampler++;}
1200                 if (p->loc_Texture_SecondaryGlow   >= 0) {p->tex_Texture_SecondaryGlow    = sampler;qglUniform1i(p->loc_Texture_SecondaryGlow   , sampler);sampler++;}
1201                 if (p->loc_Texture_Pants           >= 0) {p->tex_Texture_Pants            = sampler;qglUniform1i(p->loc_Texture_Pants           , sampler);sampler++;}
1202                 if (p->loc_Texture_Shirt           >= 0) {p->tex_Texture_Shirt            = sampler;qglUniform1i(p->loc_Texture_Shirt           , sampler);sampler++;}
1203                 if (p->loc_Texture_FogHeightTexture>= 0) {p->tex_Texture_FogHeightTexture = sampler;qglUniform1i(p->loc_Texture_FogHeightTexture, sampler);sampler++;}
1204                 if (p->loc_Texture_FogMask         >= 0) {p->tex_Texture_FogMask          = sampler;qglUniform1i(p->loc_Texture_FogMask         , sampler);sampler++;}
1205                 if (p->loc_Texture_Lightmap        >= 0) {p->tex_Texture_Lightmap         = sampler;qglUniform1i(p->loc_Texture_Lightmap        , sampler);sampler++;}
1206                 if (p->loc_Texture_Deluxemap       >= 0) {p->tex_Texture_Deluxemap        = sampler;qglUniform1i(p->loc_Texture_Deluxemap       , sampler);sampler++;}
1207                 if (p->loc_Texture_Attenuation     >= 0) {p->tex_Texture_Attenuation      = sampler;qglUniform1i(p->loc_Texture_Attenuation     , sampler);sampler++;}
1208                 if (p->loc_Texture_Cube            >= 0) {p->tex_Texture_Cube             = sampler;qglUniform1i(p->loc_Texture_Cube            , sampler);sampler++;}
1209                 if (p->loc_Texture_Refraction      >= 0) {p->tex_Texture_Refraction       = sampler;qglUniform1i(p->loc_Texture_Refraction      , sampler);sampler++;}
1210                 if (p->loc_Texture_Reflection      >= 0) {p->tex_Texture_Reflection       = sampler;qglUniform1i(p->loc_Texture_Reflection      , sampler);sampler++;}
1211                 if (p->loc_Texture_ShadowMap2D     >= 0) {p->tex_Texture_ShadowMap2D      = sampler;qglUniform1i(p->loc_Texture_ShadowMap2D     , sampler);sampler++;}
1212                 if (p->loc_Texture_CubeProjection  >= 0) {p->tex_Texture_CubeProjection   = sampler;qglUniform1i(p->loc_Texture_CubeProjection  , sampler);sampler++;}
1213                 if (p->loc_Texture_ScreenNormalMap >= 0) {p->tex_Texture_ScreenNormalMap  = sampler;qglUniform1i(p->loc_Texture_ScreenNormalMap , sampler);sampler++;}
1214                 if (p->loc_Texture_ScreenDiffuse   >= 0) {p->tex_Texture_ScreenDiffuse    = sampler;qglUniform1i(p->loc_Texture_ScreenDiffuse   , sampler);sampler++;}
1215                 if (p->loc_Texture_ScreenSpecular  >= 0) {p->tex_Texture_ScreenSpecular   = sampler;qglUniform1i(p->loc_Texture_ScreenSpecular  , sampler);sampler++;}
1216                 if (p->loc_Texture_ReflectMask     >= 0) {p->tex_Texture_ReflectMask      = sampler;qglUniform1i(p->loc_Texture_ReflectMask     , sampler);sampler++;}
1217                 if (p->loc_Texture_ReflectCube     >= 0) {p->tex_Texture_ReflectCube      = sampler;qglUniform1i(p->loc_Texture_ReflectCube     , sampler);sampler++;}
1218                 if (p->loc_Texture_BounceGrid      >= 0) {p->tex_Texture_BounceGrid       = sampler;qglUniform1i(p->loc_Texture_BounceGrid      , sampler);sampler++;}
1219                 CHECKGLERROR
1220                 Con_DPrintf("^5GLSL shader %s compiled (%i textures).\n", permutationname, sampler);
1221         }
1222         else
1223                 Con_Printf("^1GLSL shader %s failed!  some features may not work properly.\n", permutationname);
1224
1225         // free the strings
1226         if (vertexstring)
1227                 Mem_Free(vertexstring);
1228         if (geometrystring)
1229                 Mem_Free(geometrystring);
1230         if (fragmentstring)
1231                 Mem_Free(fragmentstring);
1232 }
1233
1234 static void R_SetupShader_SetPermutationGLSL(unsigned int mode, unsigned int permutation)
1235 {
1236         r_glsl_permutation_t *perm = R_GLSL_FindPermutation(mode, permutation);
1237         if (r_glsl_permutation != perm)
1238         {
1239                 r_glsl_permutation = perm;
1240                 if (!r_glsl_permutation->program)
1241                 {
1242                         if (!r_glsl_permutation->compiled)
1243                                 R_GLSL_CompilePermutation(perm, mode, permutation);
1244                         if (!r_glsl_permutation->program)
1245                         {
1246                                 // remove features until we find a valid permutation
1247                                 int i;
1248                                 for (i = 0;i < SHADERPERMUTATION_COUNT;i++)
1249                                 {
1250                                         // reduce i more quickly whenever it would not remove any bits
1251                                         int j = 1<<(SHADERPERMUTATION_COUNT-1-i);
1252                                         if (!(permutation & j))
1253                                                 continue;
1254                                         permutation -= j;
1255                                         r_glsl_permutation = R_GLSL_FindPermutation(mode, permutation);
1256                                         if (!r_glsl_permutation->compiled)
1257                                                 R_GLSL_CompilePermutation(perm, mode, permutation);
1258                                         if (r_glsl_permutation->program)
1259                                                 break;
1260                                 }
1261                                 if (i >= SHADERPERMUTATION_COUNT)
1262                                 {
1263                                         //Con_Printf("Could not find a working OpenGL 2.0 shader for permutation %s %s\n", shadermodeinfo[mode].vertexfilename, shadermodeinfo[mode].pretext);
1264                                         r_glsl_permutation = R_GLSL_FindPermutation(mode, permutation);
1265                                         qglUseProgram(0);CHECKGLERROR
1266                                         return; // no bit left to clear, entire mode is broken
1267                                 }
1268                         }
1269                 }
1270                 CHECKGLERROR
1271                 qglUseProgram(r_glsl_permutation->program);CHECKGLERROR
1272         }
1273         if (r_glsl_permutation->loc_ModelViewProjectionMatrix >= 0) qglUniformMatrix4fv(r_glsl_permutation->loc_ModelViewProjectionMatrix, 1, false, gl_modelviewprojection16f);
1274         if (r_glsl_permutation->loc_ModelViewMatrix >= 0) qglUniformMatrix4fv(r_glsl_permutation->loc_ModelViewMatrix, 1, false, gl_modelview16f);
1275         if (r_glsl_permutation->loc_ClientTime >= 0) qglUniform1f(r_glsl_permutation->loc_ClientTime, cl.time);
1276 }
1277
1278 #ifdef SUPPORTD3D
1279
1280 #ifdef SUPPORTD3D
1281 #include <d3d9.h>
1282 extern LPDIRECT3DDEVICE9 vid_d3d9dev;
1283 extern D3DCAPS9 vid_d3d9caps;
1284 #endif
1285
1286 struct r_hlsl_permutation_s;
1287 typedef struct r_hlsl_permutation_s
1288 {
1289         /// hash lookup data
1290         struct r_hlsl_permutation_s *hashnext;
1291         unsigned int mode;
1292         unsigned int permutation;
1293
1294         /// indicates if we have tried compiling this permutation already
1295         qboolean compiled;
1296         /// NULL if compilation failed
1297         IDirect3DVertexShader9 *vertexshader;
1298         IDirect3DPixelShader9 *pixelshader;
1299 }
1300 r_hlsl_permutation_t;
1301
1302 typedef enum D3DVSREGISTER_e
1303 {
1304         D3DVSREGISTER_TexMatrix = 0, // float4x4
1305         D3DVSREGISTER_BackgroundTexMatrix = 4, // float4x4
1306         D3DVSREGISTER_ModelViewProjectionMatrix = 8, // float4x4
1307         D3DVSREGISTER_ModelViewMatrix = 12, // float4x4
1308         D3DVSREGISTER_ShadowMapMatrix = 16, // float4x4
1309         D3DVSREGISTER_ModelToLight = 20, // float4x4
1310         D3DVSREGISTER_EyePosition = 24,
1311         D3DVSREGISTER_FogPlane = 25,
1312         D3DVSREGISTER_LightDir = 26,
1313         D3DVSREGISTER_LightPosition = 27,
1314 }
1315 D3DVSREGISTER_t;
1316
1317 typedef enum D3DPSREGISTER_e
1318 {
1319         D3DPSREGISTER_Alpha = 0,
1320         D3DPSREGISTER_BloomBlur_Parameters = 1,
1321         D3DPSREGISTER_ClientTime = 2,
1322         D3DPSREGISTER_Color_Ambient = 3,
1323         D3DPSREGISTER_Color_Diffuse = 4,
1324         D3DPSREGISTER_Color_Specular = 5,
1325         D3DPSREGISTER_Color_Glow = 6,
1326         D3DPSREGISTER_Color_Pants = 7,
1327         D3DPSREGISTER_Color_Shirt = 8,
1328         D3DPSREGISTER_DeferredColor_Ambient = 9,
1329         D3DPSREGISTER_DeferredColor_Diffuse = 10,
1330         D3DPSREGISTER_DeferredColor_Specular = 11,
1331         D3DPSREGISTER_DeferredMod_Diffuse = 12,
1332         D3DPSREGISTER_DeferredMod_Specular = 13,
1333         D3DPSREGISTER_DistortScaleRefractReflect = 14,
1334         D3DPSREGISTER_EyePosition = 15, // unused
1335         D3DPSREGISTER_FogColor = 16,
1336         D3DPSREGISTER_FogHeightFade = 17,
1337         D3DPSREGISTER_FogPlane = 18,
1338         D3DPSREGISTER_FogPlaneViewDist = 19,
1339         D3DPSREGISTER_FogRangeRecip = 20,
1340         D3DPSREGISTER_LightColor = 21,
1341         D3DPSREGISTER_LightDir = 22, // unused
1342         D3DPSREGISTER_LightPosition = 23,
1343         D3DPSREGISTER_OffsetMapping_ScaleSteps = 24,
1344         D3DPSREGISTER_PixelSize = 25,
1345         D3DPSREGISTER_ReflectColor = 26,
1346         D3DPSREGISTER_ReflectFactor = 27,
1347         D3DPSREGISTER_ReflectOffset = 28,
1348         D3DPSREGISTER_RefractColor = 29,
1349         D3DPSREGISTER_Saturation = 30,
1350         D3DPSREGISTER_ScreenCenterRefractReflect = 31,
1351         D3DPSREGISTER_ScreenScaleRefractReflect = 32,
1352         D3DPSREGISTER_ScreenToDepth = 33,
1353         D3DPSREGISTER_ShadowMap_Parameters = 34,
1354         D3DPSREGISTER_ShadowMap_TextureScale = 35,
1355         D3DPSREGISTER_SpecularPower = 36,
1356         D3DPSREGISTER_UserVec1 = 37,
1357         D3DPSREGISTER_UserVec2 = 38,
1358         D3DPSREGISTER_UserVec3 = 39,
1359         D3DPSREGISTER_UserVec4 = 40,
1360         D3DPSREGISTER_ViewTintColor = 41,
1361         D3DPSREGISTER_PixelToScreenTexCoord = 42,
1362         D3DPSREGISTER_BloomColorSubtract = 43,
1363         D3DPSREGISTER_ViewToLight = 44, // float4x4
1364         D3DPSREGISTER_ModelToReflectCube = 48, // float4x4
1365         D3DPSREGISTER_NormalmapScrollBlend = 52,
1366         D3DPSREGISTER_OffsetMapping_LodDistance = 53,
1367         D3DPSREGISTER_OffsetMapping_Bias = 54,
1368         // next at 54
1369 }
1370 D3DPSREGISTER_t;
1371
1372 /// information about each possible shader permutation
1373 r_hlsl_permutation_t *r_hlsl_permutationhash[SHADERMODE_COUNT][SHADERPERMUTATION_HASHSIZE];
1374 /// currently selected permutation
1375 r_hlsl_permutation_t *r_hlsl_permutation;
1376 /// storage for permutations linked in the hash table
1377 memexpandablearray_t r_hlsl_permutationarray;
1378
1379 static r_hlsl_permutation_t *R_HLSL_FindPermutation(unsigned int mode, unsigned int permutation)
1380 {
1381         //unsigned int hashdepth = 0;
1382         unsigned int hashindex = (permutation * 0x1021) & (SHADERPERMUTATION_HASHSIZE - 1);
1383         r_hlsl_permutation_t *p;
1384         for (p = r_hlsl_permutationhash[mode][hashindex];p;p = p->hashnext)
1385         {
1386                 if (p->mode == mode && p->permutation == permutation)
1387                 {
1388                         //if (hashdepth > 10)
1389                         //      Con_Printf("R_HLSL_FindPermutation: Warning: %i:%i has hashdepth %i\n", mode, permutation, hashdepth);
1390                         return p;
1391                 }
1392                 //hashdepth++;
1393         }
1394         p = (r_hlsl_permutation_t*)Mem_ExpandableArray_AllocRecord(&r_hlsl_permutationarray);
1395         p->mode = mode;
1396         p->permutation = permutation;
1397         p->hashnext = r_hlsl_permutationhash[mode][hashindex];
1398         r_hlsl_permutationhash[mode][hashindex] = p;
1399         //if (hashdepth > 10)
1400         //      Con_Printf("R_HLSL_FindPermutation: Warning: %i:%i has hashdepth %i\n", mode, permutation, hashdepth);
1401         return p;
1402 }
1403
1404 static char *R_HLSL_GetText(const char *filename, qboolean printfromdisknotice)
1405 {
1406         char *shaderstring;
1407         if (!filename || !filename[0])
1408                 return NULL;
1409         if (!strcmp(filename, "hlsl/default.hlsl"))
1410         {
1411                 if (!hlslshaderstring)
1412                 {
1413                         hlslshaderstring = (char *)FS_LoadFile(filename, r_main_mempool, false, NULL);
1414                         if (hlslshaderstring)
1415                                 Con_DPrintf("Loading shaders from file %s...\n", filename);
1416                         else
1417                                 hlslshaderstring = (char *)builtinhlslshaderstring;
1418                 }
1419                 shaderstring = (char *) Mem_Alloc(r_main_mempool, strlen(hlslshaderstring) + 1);
1420                 memcpy(shaderstring, hlslshaderstring, strlen(hlslshaderstring) + 1);
1421                 return shaderstring;
1422         }
1423         shaderstring = (char *)FS_LoadFile(filename, r_main_mempool, false, NULL);
1424         if (shaderstring)
1425         {
1426                 if (printfromdisknotice)
1427                         Con_DPrintf("from disk %s... ", filename);
1428                 return shaderstring;
1429         }
1430         return shaderstring;
1431 }
1432
1433 #include <d3dx9.h>
1434 //#include <d3dx9shader.h>
1435 //#include <d3dx9mesh.h>
1436
1437 static void R_HLSL_CacheShader(r_hlsl_permutation_t *p, const char *cachename, const char *vertstring, const char *fragstring)
1438 {
1439         DWORD *vsbin = NULL;
1440         DWORD *psbin = NULL;
1441         fs_offset_t vsbinsize;
1442         fs_offset_t psbinsize;
1443 //      IDirect3DVertexShader9 *vs = NULL;
1444 //      IDirect3DPixelShader9 *ps = NULL;
1445         ID3DXBuffer *vslog = NULL;
1446         ID3DXBuffer *vsbuffer = NULL;
1447         ID3DXConstantTable *vsconstanttable = NULL;
1448         ID3DXBuffer *pslog = NULL;
1449         ID3DXBuffer *psbuffer = NULL;
1450         ID3DXConstantTable *psconstanttable = NULL;
1451         int vsresult = 0;
1452         int psresult = 0;
1453         char temp[MAX_INPUTLINE];
1454         const char *vsversion = "vs_3_0", *psversion = "ps_3_0";
1455         char vabuf[1024];
1456         qboolean debugshader = gl_paranoid.integer != 0;
1457         if (p->permutation & SHADERPERMUTATION_OFFSETMAPPING) {vsversion = "vs_3_0";psversion = "ps_3_0";}
1458         if (p->permutation & SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING) {vsversion = "vs_3_0";psversion = "ps_3_0";}
1459         if (!debugshader)
1460         {
1461                 vsbin = (DWORD *)FS_LoadFile(va(vabuf, sizeof(vabuf), "%s.vsbin", cachename), r_main_mempool, true, &vsbinsize);
1462                 psbin = (DWORD *)FS_LoadFile(va(vabuf, sizeof(vabuf), "%s.psbin", cachename), r_main_mempool, true, &psbinsize);
1463         }
1464         if ((!vsbin && vertstring) || (!psbin && fragstring))
1465         {
1466                 const char* dllnames_d3dx9 [] =
1467                 {
1468                         "d3dx9_43.dll",
1469                         "d3dx9_42.dll",
1470                         "d3dx9_41.dll",
1471                         "d3dx9_40.dll",
1472                         "d3dx9_39.dll",
1473                         "d3dx9_38.dll",
1474                         "d3dx9_37.dll",
1475                         "d3dx9_36.dll",
1476                         "d3dx9_35.dll",
1477                         "d3dx9_34.dll",
1478                         "d3dx9_33.dll",
1479                         "d3dx9_32.dll",
1480                         "d3dx9_31.dll",
1481                         "d3dx9_30.dll",
1482                         "d3dx9_29.dll",
1483                         "d3dx9_28.dll",
1484                         "d3dx9_27.dll",
1485                         "d3dx9_26.dll",
1486                         "d3dx9_25.dll",
1487                         "d3dx9_24.dll",
1488                         NULL
1489                 };
1490                 dllhandle_t d3dx9_dll = NULL;
1491                 HRESULT (WINAPI *qD3DXCompileShaderFromFileA)(LPCSTR pSrcFile, CONST D3DXMACRO* pDefines, LPD3DXINCLUDE pInclude, LPCSTR pFunctionName, LPCSTR pProfile, DWORD Flags, LPD3DXBUFFER* ppShader, LPD3DXBUFFER* ppErrorMsgs, LPD3DXCONSTANTTABLE* ppConstantTable);
1492                 HRESULT (WINAPI *qD3DXPreprocessShader)(LPCSTR pSrcData, UINT SrcDataSize, CONST D3DXMACRO* pDefines, LPD3DXINCLUDE pInclude, LPD3DXBUFFER* ppShaderText, LPD3DXBUFFER* ppErrorMsgs);
1493                 HRESULT (WINAPI *qD3DXCompileShader)(LPCSTR pSrcData, UINT SrcDataLen, CONST D3DXMACRO* pDefines, LPD3DXINCLUDE pInclude, LPCSTR pFunctionName, LPCSTR pProfile, DWORD Flags, LPD3DXBUFFER* ppShader, LPD3DXBUFFER* ppErrorMsgs, LPD3DXCONSTANTTABLE* ppConstantTable);
1494                 dllfunction_t d3dx9_dllfuncs[] =
1495                 {
1496                         {"D3DXCompileShaderFromFileA",  (void **) &qD3DXCompileShaderFromFileA},
1497                         {"D3DXPreprocessShader",                (void **) &qD3DXPreprocessShader},
1498                         {"D3DXCompileShader",                   (void **) &qD3DXCompileShader},
1499                         {NULL, NULL}
1500                 };
1501                 if (Sys_LoadLibrary(dllnames_d3dx9, &d3dx9_dll, d3dx9_dllfuncs))
1502                 {
1503                         DWORD shaderflags = 0;
1504                         if (debugshader)
1505                                 shaderflags = D3DXSHADER_DEBUG | D3DXSHADER_SKIPOPTIMIZATION;
1506                         vsbin = (DWORD *)Mem_Realloc(tempmempool, vsbin, 0);
1507                         psbin = (DWORD *)Mem_Realloc(tempmempool, psbin, 0);
1508                         if (vertstring && vertstring[0])
1509                         {
1510                                 if (debugshader)
1511                                 {
1512 //                                      vsresult = qD3DXPreprocessShader(vertstring, strlen(vertstring), NULL, NULL, &vsbuffer, &vslog);
1513 //                                      FS_WriteFile(va(vabuf, sizeof(vabuf), "%s_vs.fx", cachename), vsbuffer->GetBufferPointer(), vsbuffer->GetBufferSize());
1514                                         FS_WriteFile(va(vabuf, sizeof(vabuf), "%s_vs.fx", cachename), vertstring, strlen(vertstring));
1515                                         vsresult = qD3DXCompileShaderFromFileA(va(vabuf, sizeof(vabuf), "%s/%s_vs.fx", fs_gamedir, cachename), NULL, NULL, "main", vsversion, shaderflags, &vsbuffer, &vslog, &vsconstanttable);
1516                                 }
1517                                 else
1518                                         vsresult = qD3DXCompileShader(vertstring, strlen(vertstring), NULL, NULL, "main", vsversion, shaderflags, &vsbuffer, &vslog, &vsconstanttable);
1519                                 if (vsbuffer)
1520                                 {
1521                                         vsbinsize = vsbuffer->GetBufferSize();
1522                                         vsbin = (DWORD *)Mem_Alloc(tempmempool, vsbinsize);
1523                                         memcpy(vsbin, vsbuffer->GetBufferPointer(), vsbinsize);
1524                                         vsbuffer->Release();
1525                                 }
1526                                 if (vslog)
1527                                 {
1528                                         strlcpy(temp, (const char *)vslog->GetBufferPointer(), min(sizeof(temp), vslog->GetBufferSize()));
1529                                         Con_DPrintf("HLSL vertex shader compile output for %s follows:\n%s\n", cachename, temp);
1530                                         vslog->Release();
1531                                 }
1532                         }
1533                         if (fragstring && fragstring[0])
1534                         {
1535                                 if (debugshader)
1536                                 {
1537 //                                      psresult = qD3DXPreprocessShader(fragstring, strlen(fragstring), NULL, NULL, &psbuffer, &pslog);
1538 //                                      FS_WriteFile(va(vabuf, sizeof(vabuf), "%s_ps.fx", cachename), psbuffer->GetBufferPointer(), psbuffer->GetBufferSize());
1539                                         FS_WriteFile(va(vabuf, sizeof(vabuf), "%s_ps.fx", cachename), fragstring, strlen(fragstring));
1540                                         psresult = qD3DXCompileShaderFromFileA(va(vabuf, sizeof(vabuf), "%s/%s_ps.fx", fs_gamedir, cachename), NULL, NULL, "main", psversion, shaderflags, &psbuffer, &pslog, &psconstanttable);
1541                                 }
1542                                 else
1543                                         psresult = qD3DXCompileShader(fragstring, strlen(fragstring), NULL, NULL, "main", psversion, shaderflags, &psbuffer, &pslog, &psconstanttable);
1544                                 if (psbuffer)
1545                                 {
1546                                         psbinsize = psbuffer->GetBufferSize();
1547                                         psbin = (DWORD *)Mem_Alloc(tempmempool, psbinsize);
1548                                         memcpy(psbin, psbuffer->GetBufferPointer(), psbinsize);
1549                                         psbuffer->Release();
1550                                 }
1551                                 if (pslog)
1552                                 {
1553                                         strlcpy(temp, (const char *)pslog->GetBufferPointer(), min(sizeof(temp), pslog->GetBufferSize()));
1554                                         Con_DPrintf("HLSL pixel shader compile output for %s follows:\n%s\n", cachename, temp);
1555                                         pslog->Release();
1556                                 }
1557                         }
1558                         Sys_UnloadLibrary(&d3dx9_dll);
1559                 }
1560                 else
1561                         Con_DPrintf("Unable to compile shader - D3DXCompileShader function not found\n");
1562         }
1563         if (vsbin && psbin)
1564         {
1565                 vsresult = IDirect3DDevice9_CreateVertexShader(vid_d3d9dev, vsbin, &p->vertexshader);
1566                 if (FAILED(vsresult))
1567                         Con_DPrintf("HLSL CreateVertexShader failed for %s (hresult = %8x)\n", cachename, vsresult);
1568                 psresult = IDirect3DDevice9_CreatePixelShader(vid_d3d9dev, psbin, &p->pixelshader);
1569                 if (FAILED(psresult))
1570                         Con_DPrintf("HLSL CreatePixelShader failed for %s (hresult = %8x)\n", cachename, psresult);
1571         }
1572         // free the shader data
1573         vsbin = (DWORD *)Mem_Realloc(tempmempool, vsbin, 0);
1574         psbin = (DWORD *)Mem_Realloc(tempmempool, psbin, 0);
1575 }
1576
1577 static void R_HLSL_CompilePermutation(r_hlsl_permutation_t *p, unsigned int mode, unsigned int permutation)
1578 {
1579         int i;
1580         shadermodeinfo_t *modeinfo = hlslshadermodeinfo + mode;
1581         int vertstring_length = 0;
1582         int geomstring_length = 0;
1583         int fragstring_length = 0;
1584         char *t;
1585         char *vertexstring, *geometrystring, *fragmentstring;
1586         char *vertstring, *geomstring, *fragstring;
1587         char permutationname[256];
1588         char cachename[256];
1589         int vertstrings_count = 0;
1590         int geomstrings_count = 0;
1591         int fragstrings_count = 0;
1592         const char *vertstrings_list[32+5+SHADERSTATICPARMS_COUNT+1];
1593         const char *geomstrings_list[32+5+SHADERSTATICPARMS_COUNT+1];
1594         const char *fragstrings_list[32+5+SHADERSTATICPARMS_COUNT+1];
1595
1596         if (p->compiled)
1597                 return;
1598         p->compiled = true;
1599         p->vertexshader = NULL;
1600         p->pixelshader = NULL;
1601
1602         permutationname[0] = 0;
1603         cachename[0] = 0;
1604         vertexstring   = R_HLSL_GetText(modeinfo->vertexfilename, true);
1605         geometrystring = R_HLSL_GetText(modeinfo->geometryfilename, false);
1606         fragmentstring = R_HLSL_GetText(modeinfo->fragmentfilename, false);
1607
1608         strlcat(permutationname, modeinfo->vertexfilename, sizeof(permutationname));
1609         strlcat(cachename, "hlsl/", sizeof(cachename));
1610
1611         // define HLSL so that the shader can tell apart the HLSL compiler and the Cg compiler
1612         vertstrings_count = 0;
1613         geomstrings_count = 0;
1614         fragstrings_count = 0;
1615         vertstrings_list[vertstrings_count++] = "#define HLSL\n";
1616         geomstrings_list[geomstrings_count++] = "#define HLSL\n";
1617         fragstrings_list[fragstrings_count++] = "#define HLSL\n";
1618
1619         // the first pretext is which type of shader to compile as
1620         // (later these will all be bound together as a program object)
1621         vertstrings_list[vertstrings_count++] = "#define VERTEX_SHADER\n";
1622         geomstrings_list[geomstrings_count++] = "#define GEOMETRY_SHADER\n";
1623         fragstrings_list[fragstrings_count++] = "#define FRAGMENT_SHADER\n";
1624
1625         // the second pretext is the mode (for example a light source)
1626         vertstrings_list[vertstrings_count++] = modeinfo->pretext;
1627         geomstrings_list[geomstrings_count++] = modeinfo->pretext;
1628         fragstrings_list[fragstrings_count++] = modeinfo->pretext;
1629         strlcat(permutationname, modeinfo->name, sizeof(permutationname));
1630         strlcat(cachename, modeinfo->name, sizeof(cachename));
1631
1632         // now add all the permutation pretexts
1633         for (i = 0;i < SHADERPERMUTATION_COUNT;i++)
1634         {
1635                 if (permutation & (1<<i))
1636                 {
1637                         vertstrings_list[vertstrings_count++] = shaderpermutationinfo[i].pretext;
1638                         geomstrings_list[geomstrings_count++] = shaderpermutationinfo[i].pretext;
1639                         fragstrings_list[fragstrings_count++] = shaderpermutationinfo[i].pretext;
1640                         strlcat(permutationname, shaderpermutationinfo[i].name, sizeof(permutationname));
1641                         strlcat(cachename, shaderpermutationinfo[i].name, sizeof(cachename));
1642                 }
1643                 else
1644                 {
1645                         // keep line numbers correct
1646                         vertstrings_list[vertstrings_count++] = "\n";
1647                         geomstrings_list[geomstrings_count++] = "\n";
1648                         fragstrings_list[fragstrings_count++] = "\n";
1649                 }
1650         }
1651
1652         // add static parms
1653         R_CompileShader_AddStaticParms(mode, permutation);
1654         memcpy(vertstrings_list + vertstrings_count, shaderstaticparmstrings_list, sizeof(*vertstrings_list) * shaderstaticparms_count);
1655         vertstrings_count += shaderstaticparms_count;
1656         memcpy(geomstrings_list + geomstrings_count, shaderstaticparmstrings_list, sizeof(*vertstrings_list) * shaderstaticparms_count);
1657         geomstrings_count += shaderstaticparms_count;
1658         memcpy(fragstrings_list + fragstrings_count, shaderstaticparmstrings_list, sizeof(*vertstrings_list) * shaderstaticparms_count);
1659         fragstrings_count += shaderstaticparms_count;
1660
1661         // replace spaces in the cachename with _ characters
1662         for (i = 0;cachename[i];i++)
1663                 if (cachename[i] == ' ')
1664                         cachename[i] = '_';
1665
1666         // now append the shader text itself
1667         vertstrings_list[vertstrings_count++] = vertexstring;
1668         geomstrings_list[geomstrings_count++] = geometrystring;
1669         fragstrings_list[fragstrings_count++] = fragmentstring;
1670
1671         // if any sources were NULL, clear the respective list
1672         if (!vertexstring)
1673                 vertstrings_count = 0;
1674         if (!geometrystring)
1675                 geomstrings_count = 0;
1676         if (!fragmentstring)
1677                 fragstrings_count = 0;
1678
1679         vertstring_length = 0;
1680         for (i = 0;i < vertstrings_count;i++)
1681                 vertstring_length += strlen(vertstrings_list[i]);
1682         vertstring = t = (char *)Mem_Alloc(tempmempool, vertstring_length + 1);
1683         for (i = 0;i < vertstrings_count;t += strlen(vertstrings_list[i]), i++)
1684                 memcpy(t, vertstrings_list[i], strlen(vertstrings_list[i]));
1685
1686         geomstring_length = 0;
1687         for (i = 0;i < geomstrings_count;i++)
1688                 geomstring_length += strlen(geomstrings_list[i]);
1689         geomstring = t = (char *)Mem_Alloc(tempmempool, geomstring_length + 1);
1690         for (i = 0;i < geomstrings_count;t += strlen(geomstrings_list[i]), i++)
1691                 memcpy(t, geomstrings_list[i], strlen(geomstrings_list[i]));
1692
1693         fragstring_length = 0;
1694         for (i = 0;i < fragstrings_count;i++)
1695                 fragstring_length += strlen(fragstrings_list[i]);
1696         fragstring = t = (char *)Mem_Alloc(tempmempool, fragstring_length + 1);
1697         for (i = 0;i < fragstrings_count;t += strlen(fragstrings_list[i]), i++)
1698                 memcpy(t, fragstrings_list[i], strlen(fragstrings_list[i]));
1699
1700         // try to load the cached shader, or generate one
1701         R_HLSL_CacheShader(p, cachename, vertstring, fragstring);
1702
1703         if ((p->vertexshader || !vertstring[0]) && (p->pixelshader || !fragstring[0]))
1704                 Con_DPrintf("^5HLSL shader %s compiled.\n", permutationname);
1705         else
1706                 Con_Printf("^1HLSL shader %s failed!  some features may not work properly.\n", permutationname);
1707
1708         // free the strings
1709         if (vertstring)
1710                 Mem_Free(vertstring);
1711         if (geomstring)
1712                 Mem_Free(geomstring);
1713         if (fragstring)
1714                 Mem_Free(fragstring);
1715         if (vertexstring)
1716                 Mem_Free(vertexstring);
1717         if (geometrystring)
1718                 Mem_Free(geometrystring);
1719         if (fragmentstring)
1720                 Mem_Free(fragmentstring);
1721 }
1722
1723 static inline void hlslVSSetParameter16f(D3DVSREGISTER_t r, const float *a) {IDirect3DDevice9_SetVertexShaderConstantF(vid_d3d9dev, r, a, 4);}
1724 static inline void hlslVSSetParameter4fv(D3DVSREGISTER_t r, const float *a) {IDirect3DDevice9_SetVertexShaderConstantF(vid_d3d9dev, r, a, 1);}
1725 static inline void hlslVSSetParameter4f(D3DVSREGISTER_t r, float x, float y, float z, float w) {float temp[4];Vector4Set(temp, x, y, z, w);IDirect3DDevice9_SetVertexShaderConstantF(vid_d3d9dev, r, temp, 1);}
1726 static inline void hlslVSSetParameter3f(D3DVSREGISTER_t r, float x, float y, float z) {float temp[4];Vector4Set(temp, x, y, z, 0);IDirect3DDevice9_SetVertexShaderConstantF(vid_d3d9dev, r, temp, 1);}
1727 static inline void hlslVSSetParameter2f(D3DVSREGISTER_t r, float x, float y) {float temp[4];Vector4Set(temp, x, y, 0, 0);IDirect3DDevice9_SetVertexShaderConstantF(vid_d3d9dev, r, temp, 1);}
1728 static inline void hlslVSSetParameter1f(D3DVSREGISTER_t r, float x) {float temp[4];Vector4Set(temp, x, 0, 0, 0);IDirect3DDevice9_SetVertexShaderConstantF(vid_d3d9dev, r, temp, 1);}
1729
1730 static inline void hlslPSSetParameter16f(D3DPSREGISTER_t r, const float *a) {IDirect3DDevice9_SetPixelShaderConstantF(vid_d3d9dev, r, a, 4);}
1731 static inline void hlslPSSetParameter4fv(D3DPSREGISTER_t r, const float *a) {IDirect3DDevice9_SetPixelShaderConstantF(vid_d3d9dev, r, a, 1);}
1732 static inline void hlslPSSetParameter4f(D3DPSREGISTER_t r, float x, float y, float z, float w) {float temp[4];Vector4Set(temp, x, y, z, w);IDirect3DDevice9_SetPixelShaderConstantF(vid_d3d9dev, r, temp, 1);}
1733 static inline void hlslPSSetParameter3f(D3DPSREGISTER_t r, float x, float y, float z) {float temp[4];Vector4Set(temp, x, y, z, 0);IDirect3DDevice9_SetPixelShaderConstantF(vid_d3d9dev, r, temp, 1);}
1734 static inline void hlslPSSetParameter2f(D3DPSREGISTER_t r, float x, float y) {float temp[4];Vector4Set(temp, x, y, 0, 0);IDirect3DDevice9_SetPixelShaderConstantF(vid_d3d9dev, r, temp, 1);}
1735 static inline void hlslPSSetParameter1f(D3DPSREGISTER_t r, float x) {float temp[4];Vector4Set(temp, x, 0, 0, 0);IDirect3DDevice9_SetPixelShaderConstantF(vid_d3d9dev, r, temp, 1);}
1736
1737 void R_SetupShader_SetPermutationHLSL(unsigned int mode, unsigned int permutation)
1738 {
1739         r_hlsl_permutation_t *perm = R_HLSL_FindPermutation(mode, permutation);
1740         if (r_hlsl_permutation != perm)
1741         {
1742                 r_hlsl_permutation = perm;
1743                 if (!r_hlsl_permutation->vertexshader && !r_hlsl_permutation->pixelshader)
1744                 {
1745                         if (!r_hlsl_permutation->compiled)
1746                                 R_HLSL_CompilePermutation(perm, mode, permutation);
1747                         if (!r_hlsl_permutation->vertexshader && !r_hlsl_permutation->pixelshader)
1748                         {
1749                                 // remove features until we find a valid permutation
1750                                 int i;
1751                                 for (i = 0;i < SHADERPERMUTATION_COUNT;i++)
1752                                 {
1753                                         // reduce i more quickly whenever it would not remove any bits
1754                                         int j = 1<<(SHADERPERMUTATION_COUNT-1-i);
1755                                         if (!(permutation & j))
1756                                                 continue;
1757                                         permutation -= j;
1758                                         r_hlsl_permutation = R_HLSL_FindPermutation(mode, permutation);
1759                                         if (!r_hlsl_permutation->compiled)
1760                                                 R_HLSL_CompilePermutation(perm, mode, permutation);
1761                                         if (r_hlsl_permutation->vertexshader || r_hlsl_permutation->pixelshader)
1762                                                 break;
1763                                 }
1764                                 if (i >= SHADERPERMUTATION_COUNT)
1765                                 {
1766                                         //Con_Printf("Could not find a working HLSL shader for permutation %s %s\n", shadermodeinfo[mode].vertexfilename, shadermodeinfo[mode].pretext);
1767                                         r_hlsl_permutation = R_HLSL_FindPermutation(mode, permutation);
1768                                         return; // no bit left to clear, entire mode is broken
1769                                 }
1770                         }
1771                 }
1772                 IDirect3DDevice9_SetVertexShader(vid_d3d9dev, r_hlsl_permutation->vertexshader);
1773                 IDirect3DDevice9_SetPixelShader(vid_d3d9dev, r_hlsl_permutation->pixelshader);
1774         }
1775         hlslVSSetParameter16f(D3DVSREGISTER_ModelViewProjectionMatrix, gl_modelviewprojection16f);
1776         hlslVSSetParameter16f(D3DVSREGISTER_ModelViewMatrix, gl_modelview16f);
1777         hlslPSSetParameter1f(D3DPSREGISTER_ClientTime, cl.time);
1778 }
1779 #endif
1780
1781 static void R_SetupShader_SetPermutationSoft(unsigned int mode, unsigned int permutation)
1782 {
1783         DPSOFTRAST_SetShader(mode, permutation, r_shadow_glossexact.integer);
1784         DPSOFTRAST_UniformMatrix4fv(DPSOFTRAST_UNIFORM_ModelViewProjectionMatrixM1, 1, false, gl_modelviewprojection16f);
1785         DPSOFTRAST_UniformMatrix4fv(DPSOFTRAST_UNIFORM_ModelViewMatrixM1, 1, false, gl_modelview16f);
1786         DPSOFTRAST_Uniform1f(DPSOFTRAST_UNIFORM_ClientTime, cl.time);
1787 }
1788
1789 static void R_GLSL_Restart_f(void)
1790 {
1791         unsigned int i, limit;
1792         if (glslshaderstring && glslshaderstring != builtinshaderstring)
1793                 Mem_Free(glslshaderstring);
1794         glslshaderstring = NULL;
1795         if (hlslshaderstring && hlslshaderstring != builtinhlslshaderstring)
1796                 Mem_Free(hlslshaderstring);
1797         hlslshaderstring = NULL;
1798         switch(vid.renderpath)
1799         {
1800         case RENDERPATH_D3D9:
1801 #ifdef SUPPORTD3D
1802                 {
1803                         r_hlsl_permutation_t *p;
1804                         r_hlsl_permutation = NULL;
1805                         limit = Mem_ExpandableArray_IndexRange(&r_hlsl_permutationarray);
1806                         for (i = 0;i < limit;i++)
1807                         {
1808                                 if ((p = (r_hlsl_permutation_t*)Mem_ExpandableArray_RecordAtIndex(&r_hlsl_permutationarray, i)))
1809                                 {
1810                                         if (p->vertexshader)
1811                                                 IDirect3DVertexShader9_Release(p->vertexshader);
1812                                         if (p->pixelshader)
1813                                                 IDirect3DPixelShader9_Release(p->pixelshader);
1814                                         Mem_ExpandableArray_FreeRecord(&r_hlsl_permutationarray, (void*)p);
1815                                 }
1816                         }
1817                         memset(r_hlsl_permutationhash, 0, sizeof(r_hlsl_permutationhash));
1818                 }
1819 #endif
1820                 break;
1821         case RENDERPATH_D3D10:
1822                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
1823                 break;
1824         case RENDERPATH_D3D11:
1825                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
1826                 break;
1827         case RENDERPATH_GL20:
1828         case RENDERPATH_GLES2:
1829                 {
1830                         r_glsl_permutation_t *p;
1831                         r_glsl_permutation = NULL;
1832                         limit = Mem_ExpandableArray_IndexRange(&r_glsl_permutationarray);
1833                         for (i = 0;i < limit;i++)
1834                         {
1835                                 if ((p = (r_glsl_permutation_t*)Mem_ExpandableArray_RecordAtIndex(&r_glsl_permutationarray, i)))
1836                                 {
1837                                         GL_Backend_FreeProgram(p->program);
1838                                         Mem_ExpandableArray_FreeRecord(&r_glsl_permutationarray, (void*)p);
1839                                 }
1840                         }
1841                         memset(r_glsl_permutationhash, 0, sizeof(r_glsl_permutationhash));
1842                 }
1843                 break;
1844         case RENDERPATH_GL11:
1845         case RENDERPATH_GL13:
1846         case RENDERPATH_GLES1:
1847                 break;
1848         case RENDERPATH_SOFT:
1849                 break;
1850         }
1851 }
1852
1853 static void R_GLSL_DumpShader_f(void)
1854 {
1855         int i;
1856         qfile_t *file;
1857
1858         file = FS_OpenRealFile("glsl/default.glsl", "w", false);
1859         if (file)
1860         {
1861                 FS_Print(file, "/* The engine may define the following macros:\n");
1862                 FS_Print(file, "#define VERTEX_SHADER\n#define GEOMETRY_SHADER\n#define FRAGMENT_SHADER\n");
1863                 for (i = 0;i < SHADERMODE_COUNT;i++)
1864                         FS_Print(file, glslshadermodeinfo[i].pretext);
1865                 for (i = 0;i < SHADERPERMUTATION_COUNT;i++)
1866                         FS_Print(file, shaderpermutationinfo[i].pretext);
1867                 FS_Print(file, "*/\n");
1868                 FS_Print(file, builtinshaderstring);
1869                 FS_Close(file);
1870                 Con_Printf("glsl/default.glsl written\n");
1871         }
1872         else
1873                 Con_Printf("failed to write to glsl/default.glsl\n");
1874
1875         file = FS_OpenRealFile("hlsl/default.hlsl", "w", false);
1876         if (file)
1877         {
1878                 FS_Print(file, "/* The engine may define the following macros:\n");
1879                 FS_Print(file, "#define VERTEX_SHADER\n#define GEOMETRY_SHADER\n#define FRAGMENT_SHADER\n");
1880                 for (i = 0;i < SHADERMODE_COUNT;i++)
1881                         FS_Print(file, hlslshadermodeinfo[i].pretext);
1882                 for (i = 0;i < SHADERPERMUTATION_COUNT;i++)
1883                         FS_Print(file, shaderpermutationinfo[i].pretext);
1884                 FS_Print(file, "*/\n");
1885                 FS_Print(file, builtinhlslshaderstring);
1886                 FS_Close(file);
1887                 Con_Printf("hlsl/default.hlsl written\n");
1888         }
1889         else
1890                 Con_Printf("failed to write to hlsl/default.hlsl\n");
1891 }
1892
1893 void R_SetupShader_Generic(rtexture_t *first, rtexture_t *second, int texturemode, int rgbscale, qboolean usegamma, qboolean notrippy, qboolean suppresstexalpha)
1894 {
1895         unsigned int permutation = 0;
1896         if (r_trippy.integer && !notrippy)
1897                 permutation |= SHADERPERMUTATION_TRIPPY;
1898         permutation |= SHADERPERMUTATION_VIEWTINT;
1899         if (first)
1900                 permutation |= SHADERPERMUTATION_DIFFUSE;
1901         if (second)
1902                 permutation |= SHADERPERMUTATION_SPECULAR;
1903         if (texturemode == GL_MODULATE)
1904                 permutation |= SHADERPERMUTATION_COLORMAPPING;
1905         else if (texturemode == GL_ADD)
1906                 permutation |= SHADERPERMUTATION_GLOW;
1907         else if (texturemode == GL_DECAL)
1908                 permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
1909         if (usegamma && v_glslgamma.integer && v_glslgamma_2d.integer && !vid.sRGB2D && r_texture_gammaramps && !vid_gammatables_trivial)
1910                 permutation |= SHADERPERMUTATION_GAMMARAMPS;
1911         if (suppresstexalpha)
1912                 permutation |= SHADERPERMUTATION_REFLECTCUBE;
1913         if (!second)
1914                 texturemode = GL_MODULATE;
1915         if (vid.allowalphatocoverage)
1916                 GL_AlphaToCoverage(false);
1917         switch (vid.renderpath)
1918         {
1919         case RENDERPATH_D3D9:
1920 #ifdef SUPPORTD3D
1921                 R_SetupShader_SetPermutationHLSL(SHADERMODE_GENERIC, permutation);
1922                 R_Mesh_TexBind(GL20TU_FIRST , first );
1923                 R_Mesh_TexBind(GL20TU_SECOND, second);
1924                 if (permutation & SHADERPERMUTATION_GAMMARAMPS)
1925                         R_Mesh_TexBind(r_glsl_permutation->tex_Texture_GammaRamps, r_texture_gammaramps);
1926 #endif
1927                 break;
1928         case RENDERPATH_D3D10:
1929                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
1930                 break;
1931         case RENDERPATH_D3D11:
1932                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
1933                 break;
1934         case RENDERPATH_GL20:
1935         case RENDERPATH_GLES2:
1936                 R_SetupShader_SetPermutationGLSL(SHADERMODE_GENERIC, permutation);
1937                 R_Mesh_TexBind(r_glsl_permutation->tex_Texture_First , first );
1938                 R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Second, second);
1939                 if (r_glsl_permutation->tex_Texture_GammaRamps >= 0)
1940                         R_Mesh_TexBind(r_glsl_permutation->tex_Texture_GammaRamps, r_texture_gammaramps);
1941                 break;
1942         case RENDERPATH_GL13:
1943         case RENDERPATH_GLES1:
1944                 R_Mesh_TexBind(0, first );
1945                 R_Mesh_TexCombine(0, GL_MODULATE, GL_MODULATE, 1, 1);
1946                 R_Mesh_TexBind(1, second);
1947                 if (second)
1948                         R_Mesh_TexCombine(1, texturemode, texturemode, rgbscale, 1);
1949                 break;
1950         case RENDERPATH_GL11:
1951                 R_Mesh_TexBind(0, first );
1952                 break;
1953         case RENDERPATH_SOFT:
1954                 R_SetupShader_SetPermutationSoft(SHADERMODE_GENERIC, permutation);
1955                 R_Mesh_TexBind(GL20TU_FIRST , first );
1956                 R_Mesh_TexBind(GL20TU_SECOND, second);
1957                 break;
1958         }
1959 }
1960
1961 void R_SetupShader_Generic_NoTexture(qboolean usegamma, qboolean notrippy)
1962 {
1963         R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1, usegamma, notrippy, false);
1964 }
1965
1966 void R_SetupShader_DepthOrShadow(qboolean notrippy, qboolean depthrgb)
1967 {
1968         unsigned int permutation = 0;
1969         if (r_trippy.integer && !notrippy)
1970                 permutation |= SHADERPERMUTATION_TRIPPY;
1971         if (depthrgb)
1972                 permutation |= SHADERPERMUTATION_DEPTHRGB;
1973         if (vid.allowalphatocoverage)
1974                 GL_AlphaToCoverage(false);
1975         switch (vid.renderpath)
1976         {
1977         case RENDERPATH_D3D9:
1978 #ifdef SUPPORTD3D
1979                 R_SetupShader_SetPermutationHLSL(SHADERMODE_DEPTH_OR_SHADOW, permutation);
1980 #endif
1981                 break;
1982         case RENDERPATH_D3D10:
1983                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
1984                 break;
1985         case RENDERPATH_D3D11:
1986                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
1987                 break;
1988         case RENDERPATH_GL20:
1989         case RENDERPATH_GLES2:
1990                 R_SetupShader_SetPermutationGLSL(SHADERMODE_DEPTH_OR_SHADOW, permutation);
1991                 break;
1992         case RENDERPATH_GL13:
1993         case RENDERPATH_GLES1:
1994                 R_Mesh_TexBind(0, 0);
1995                 R_Mesh_TexBind(1, 0);
1996                 break;
1997         case RENDERPATH_GL11:
1998                 R_Mesh_TexBind(0, 0);
1999                 break;
2000         case RENDERPATH_SOFT:
2001                 R_SetupShader_SetPermutationSoft(SHADERMODE_DEPTH_OR_SHADOW, permutation);
2002                 break;
2003         }
2004 }
2005
2006 void R_SetupShader_ShowDepth(qboolean notrippy)
2007 {
2008         int permutation = 0;
2009         if (r_trippy.integer && !notrippy)
2010                 permutation |= SHADERPERMUTATION_TRIPPY;
2011         if (vid.allowalphatocoverage)
2012                 GL_AlphaToCoverage(false);
2013         switch (vid.renderpath)
2014         {
2015         case RENDERPATH_D3D9:
2016 #ifdef SUPPORTHLSL
2017                 R_SetupShader_SetPermutationHLSL(SHADERMODE_SHOWDEPTH, permutation);
2018 #endif
2019                 break;
2020         case RENDERPATH_D3D10:
2021                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2022                 break;
2023         case RENDERPATH_D3D11:
2024                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2025                 break;
2026         case RENDERPATH_GL20:
2027         case RENDERPATH_GLES2:
2028                 R_SetupShader_SetPermutationGLSL(SHADERMODE_SHOWDEPTH, permutation);
2029                 break;
2030         case RENDERPATH_GL13:
2031         case RENDERPATH_GLES1:
2032                 break;
2033         case RENDERPATH_GL11:
2034                 break;
2035         case RENDERPATH_SOFT:
2036                 R_SetupShader_SetPermutationSoft(SHADERMODE_SHOWDEPTH, permutation);
2037                 break;
2038         }
2039 }
2040
2041 extern qboolean r_shadow_usingdeferredprepass;
2042 extern rtexture_t *r_shadow_attenuationgradienttexture;
2043 extern rtexture_t *r_shadow_attenuation2dtexture;
2044 extern rtexture_t *r_shadow_attenuation3dtexture;
2045 extern qboolean r_shadow_usingshadowmap2d;
2046 extern qboolean r_shadow_usingshadowmaportho;
2047 extern float r_shadow_shadowmap_texturescale[2];
2048 extern float r_shadow_shadowmap_parameters[4];
2049 extern qboolean r_shadow_shadowmapvsdct;
2050 extern qboolean r_shadow_shadowmapsampler;
2051 extern int r_shadow_shadowmappcf;
2052 extern rtexture_t *r_shadow_shadowmap2ddepthbuffer;
2053 extern rtexture_t *r_shadow_shadowmap2ddepthtexture;
2054 extern rtexture_t *r_shadow_shadowmapvsdcttexture;
2055 extern matrix4x4_t r_shadow_shadowmapmatrix;
2056 extern int r_shadow_shadowmaplod; // changes for each light based on distance
2057 extern int r_shadow_prepass_width;
2058 extern int r_shadow_prepass_height;
2059 extern rtexture_t *r_shadow_prepassgeometrydepthbuffer;
2060 extern rtexture_t *r_shadow_prepassgeometrynormalmaptexture;
2061 extern rtexture_t *r_shadow_prepasslightingdiffusetexture;
2062 extern rtexture_t *r_shadow_prepasslightingspeculartexture;
2063
2064 #define BLENDFUNC_ALLOWS_COLORMOD      1
2065 #define BLENDFUNC_ALLOWS_FOG           2
2066 #define BLENDFUNC_ALLOWS_FOG_HACK0     4
2067 #define BLENDFUNC_ALLOWS_FOG_HACKALPHA 8
2068 #define BLENDFUNC_ALLOWS_ANYFOG        (BLENDFUNC_ALLOWS_FOG | BLENDFUNC_ALLOWS_FOG_HACK0 | BLENDFUNC_ALLOWS_FOG_HACKALPHA)
2069 static int R_BlendFuncFlags(int src, int dst)
2070 {
2071         int r = 0;
2072
2073         // a blendfunc allows colormod if:
2074         // a) it can never keep the destination pixel invariant, or
2075         // b) it can keep the destination pixel invariant, and still can do so if colormodded
2076         // this is to prevent unintended side effects from colormod
2077
2078         // a blendfunc allows fog if:
2079         // blend(fog(src), fog(dst)) == fog(blend(src, dst))
2080         // this is to prevent unintended side effects from fog
2081
2082         // these checks are the output of fogeval.pl
2083
2084         r |= BLENDFUNC_ALLOWS_COLORMOD;
2085         if(src == GL_DST_ALPHA && dst == GL_ONE) r |= BLENDFUNC_ALLOWS_FOG_HACK0;
2086         if(src == GL_DST_ALPHA && dst == GL_ONE_MINUS_DST_ALPHA) r |= BLENDFUNC_ALLOWS_FOG;
2087         if(src == GL_DST_COLOR && dst == GL_ONE_MINUS_SRC_ALPHA) r &= ~BLENDFUNC_ALLOWS_COLORMOD;
2088         if(src == GL_DST_COLOR && dst == GL_ONE_MINUS_SRC_COLOR) r |= BLENDFUNC_ALLOWS_FOG;
2089         if(src == GL_DST_COLOR && dst == GL_SRC_ALPHA) r &= ~BLENDFUNC_ALLOWS_COLORMOD;
2090         if(src == GL_DST_COLOR && dst == GL_SRC_COLOR) r &= ~BLENDFUNC_ALLOWS_COLORMOD;
2091         if(src == GL_DST_COLOR && dst == GL_ZERO) r &= ~BLENDFUNC_ALLOWS_COLORMOD;
2092         if(src == GL_ONE && dst == GL_ONE) r |= BLENDFUNC_ALLOWS_FOG_HACK0;
2093         if(src == GL_ONE && dst == GL_ONE_MINUS_SRC_ALPHA) r |= BLENDFUNC_ALLOWS_FOG_HACKALPHA;
2094         if(src == GL_ONE && dst == GL_ZERO) r |= BLENDFUNC_ALLOWS_FOG;
2095         if(src == GL_ONE_MINUS_DST_ALPHA && dst == GL_DST_ALPHA) r |= BLENDFUNC_ALLOWS_FOG;
2096         if(src == GL_ONE_MINUS_DST_ALPHA && dst == GL_ONE) r |= BLENDFUNC_ALLOWS_FOG_HACK0;
2097         if(src == GL_ONE_MINUS_DST_COLOR && dst == GL_SRC_COLOR) r |= BLENDFUNC_ALLOWS_FOG;
2098         if(src == GL_ONE_MINUS_SRC_ALPHA && dst == GL_ONE) r |= BLENDFUNC_ALLOWS_FOG_HACK0;
2099         if(src == GL_ONE_MINUS_SRC_ALPHA && dst == GL_SRC_ALPHA) r |= BLENDFUNC_ALLOWS_FOG;
2100         if(src == GL_ONE_MINUS_SRC_ALPHA && dst == GL_SRC_COLOR) r &= ~BLENDFUNC_ALLOWS_COLORMOD;
2101         if(src == GL_ONE_MINUS_SRC_COLOR && dst == GL_SRC_COLOR) r &= ~BLENDFUNC_ALLOWS_COLORMOD;
2102         if(src == GL_SRC_ALPHA && dst == GL_ONE) r |= BLENDFUNC_ALLOWS_FOG_HACK0;
2103         if(src == GL_SRC_ALPHA && dst == GL_ONE_MINUS_SRC_ALPHA) r |= BLENDFUNC_ALLOWS_FOG;
2104         if(src == GL_ZERO && dst == GL_ONE) r |= BLENDFUNC_ALLOWS_FOG;
2105         if(src == GL_ZERO && dst == GL_SRC_COLOR) r &= ~BLENDFUNC_ALLOWS_COLORMOD;
2106
2107         return r;
2108 }
2109
2110 void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting, float ambientscale, float diffusescale, float specularscale, rsurfacepass_t rsurfacepass, int texturenumsurfaces, const msurface_t **texturesurfacelist, void *surfacewaterplane, qboolean notrippy)
2111 {
2112         // select a permutation of the lighting shader appropriate to this
2113         // combination of texture, entity, light source, and fogging, only use the
2114         // minimum features necessary to avoid wasting rendering time in the
2115         // fragment shader on features that are not being used
2116         unsigned int permutation = 0;
2117         unsigned int mode = 0;
2118         int blendfuncflags;
2119         static float dummy_colormod[3] = {1, 1, 1};
2120         float *colormod = rsurface.colormod;
2121         float m16f[16];
2122         matrix4x4_t tempmatrix;
2123         r_waterstate_waterplane_t *waterplane = (r_waterstate_waterplane_t *)surfacewaterplane;
2124         if (r_trippy.integer && !notrippy)
2125                 permutation |= SHADERPERMUTATION_TRIPPY;
2126         if (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
2127                 permutation |= SHADERPERMUTATION_ALPHAKILL;
2128         if (rsurface.texture->r_water_waterscroll[0] && rsurface.texture->r_water_waterscroll[1])
2129                 permutation |= SHADERPERMUTATION_NORMALMAPSCROLLBLEND; // todo: make generic
2130         if (rsurfacepass == RSURFPASS_BACKGROUND)
2131         {
2132                 // distorted background
2133                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_WATERSHADER)
2134                 {
2135                         mode = SHADERMODE_WATER;
2136                         if((r_wateralpha.value < 1) && (rsurface.texture->currentmaterialflags & MATERIALFLAG_WATERALPHA))
2137                         {
2138                                 // this is the right thing to do for wateralpha
2139                                 GL_BlendFunc(GL_ONE, GL_ZERO);
2140                                 blendfuncflags = R_BlendFuncFlags(GL_ONE, GL_ZERO);
2141                         }
2142                         else
2143                         {
2144                                 // this is the right thing to do for entity alpha
2145                                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2146                                 blendfuncflags = R_BlendFuncFlags(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2147                         }
2148                 }
2149                 else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_REFRACTION)
2150                 {
2151                         mode = SHADERMODE_REFRACTION;
2152                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2153                         blendfuncflags = R_BlendFuncFlags(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2154                 }
2155                 else
2156                 {
2157                         mode = SHADERMODE_GENERIC;
2158                         permutation |= SHADERPERMUTATION_DIFFUSE;
2159                         GL_BlendFunc(GL_ONE, GL_ZERO);
2160                         blendfuncflags = R_BlendFuncFlags(GL_ONE, GL_ZERO);
2161                 }
2162                 if (vid.allowalphatocoverage)
2163                         GL_AlphaToCoverage(false);
2164         }
2165         else if (rsurfacepass == RSURFPASS_DEFERREDGEOMETRY)
2166         {
2167                 if (r_glsl_offsetmapping.integer && ((R_TextureFlags(rsurface.texture->nmaptexture) & TEXF_ALPHA) || rsurface.texture->offsetbias != 0.0f))
2168                 {
2169                         switch(rsurface.texture->offsetmapping)
2170                         {
2171                         case OFFSETMAPPING_LINEAR: permutation |= SHADERPERMUTATION_OFFSETMAPPING;break;
2172                         case OFFSETMAPPING_RELIEF: permutation |= SHADERPERMUTATION_OFFSETMAPPING | SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
2173                         case OFFSETMAPPING_DEFAULT: permutation |= SHADERPERMUTATION_OFFSETMAPPING;if (r_glsl_offsetmapping_reliefmapping.integer) permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
2174                         case OFFSETMAPPING_OFF: break;
2175                         }
2176                 }
2177                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_VERTEXTEXTUREBLEND)
2178                         permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
2179                 // normalmap (deferred prepass), may use alpha test on diffuse
2180                 mode = SHADERMODE_DEFERREDGEOMETRY;
2181                 GL_BlendFunc(GL_ONE, GL_ZERO);
2182                 blendfuncflags = R_BlendFuncFlags(GL_ONE, GL_ZERO);
2183                 if (vid.allowalphatocoverage)
2184                         GL_AlphaToCoverage(false);
2185         }
2186         else if (rsurfacepass == RSURFPASS_RTLIGHT)
2187         {
2188                 if (r_glsl_offsetmapping.integer && ((R_TextureFlags(rsurface.texture->nmaptexture) & TEXF_ALPHA) || rsurface.texture->offsetbias != 0.0f))
2189                 {
2190                         switch(rsurface.texture->offsetmapping)
2191                         {
2192                         case OFFSETMAPPING_LINEAR: permutation |= SHADERPERMUTATION_OFFSETMAPPING;break;
2193                         case OFFSETMAPPING_RELIEF: permutation |= SHADERPERMUTATION_OFFSETMAPPING | SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
2194                         case OFFSETMAPPING_DEFAULT: permutation |= SHADERPERMUTATION_OFFSETMAPPING;if (r_glsl_offsetmapping_reliefmapping.integer) permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
2195                         case OFFSETMAPPING_OFF: break;
2196                         }
2197                 }
2198                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_VERTEXTEXTUREBLEND)
2199                         permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
2200                 // light source
2201                 mode = SHADERMODE_LIGHTSOURCE;
2202                 if (rsurface.rtlight->currentcubemap != r_texture_whitecube)
2203                         permutation |= SHADERPERMUTATION_CUBEFILTER;
2204                 if (diffusescale > 0)
2205                         permutation |= SHADERPERMUTATION_DIFFUSE;
2206                 if (specularscale > 0)
2207                         permutation |= SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_DIFFUSE;
2208                 if (r_refdef.fogenabled)
2209                         permutation |= r_texture_fogheighttexture ? SHADERPERMUTATION_FOGHEIGHTTEXTURE : (r_refdef.fogplaneviewabove ? SHADERPERMUTATION_FOGOUTSIDE : SHADERPERMUTATION_FOGINSIDE);
2210                 if (rsurface.texture->colormapping)
2211                         permutation |= SHADERPERMUTATION_COLORMAPPING;
2212                 if (r_shadow_usingshadowmap2d)
2213                 {
2214                         permutation |= SHADERPERMUTATION_SHADOWMAP2D;
2215                         if(r_shadow_shadowmapvsdct)
2216                                 permutation |= SHADERPERMUTATION_SHADOWMAPVSDCT;
2217
2218                         if (r_shadow_shadowmapsampler)
2219                                 permutation |= SHADERPERMUTATION_SHADOWSAMPLER;
2220                         if (r_shadow_shadowmappcf > 1)
2221                                 permutation |= SHADERPERMUTATION_SHADOWMAPPCF2;
2222                         else if (r_shadow_shadowmappcf)
2223                                 permutation |= SHADERPERMUTATION_SHADOWMAPPCF;
2224                         if (r_shadow_shadowmap2ddepthbuffer)
2225                                 permutation |= SHADERPERMUTATION_DEPTHRGB;
2226                 }
2227                 if (rsurface.texture->reflectmasktexture)
2228                         permutation |= SHADERPERMUTATION_REFLECTCUBE;
2229                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
2230                 blendfuncflags = R_BlendFuncFlags(GL_SRC_ALPHA, GL_ONE);
2231                 if (vid.allowalphatocoverage)
2232                         GL_AlphaToCoverage(false);
2233         }
2234         else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT)
2235         {
2236                 if (r_glsl_offsetmapping.integer && ((R_TextureFlags(rsurface.texture->nmaptexture) & TEXF_ALPHA) || rsurface.texture->offsetbias != 0.0f))
2237                 {
2238                         switch(rsurface.texture->offsetmapping)
2239                         {
2240                         case OFFSETMAPPING_LINEAR: permutation |= SHADERPERMUTATION_OFFSETMAPPING;break;
2241                         case OFFSETMAPPING_RELIEF: permutation |= SHADERPERMUTATION_OFFSETMAPPING | SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
2242                         case OFFSETMAPPING_DEFAULT: permutation |= SHADERPERMUTATION_OFFSETMAPPING;if (r_glsl_offsetmapping_reliefmapping.integer) permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
2243                         case OFFSETMAPPING_OFF: break;
2244                         }
2245                 }
2246                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_VERTEXTEXTUREBLEND)
2247                         permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
2248                 // unshaded geometry (fullbright or ambient model lighting)
2249                 mode = SHADERMODE_FLATCOLOR;
2250                 ambientscale = diffusescale = specularscale = 0;
2251                 if (rsurface.texture->glowtexture && r_hdr_glowintensity.value > 0 && !gl_lightmaps.integer)
2252                         permutation |= SHADERPERMUTATION_GLOW;
2253                 if (r_refdef.fogenabled)
2254                         permutation |= r_texture_fogheighttexture ? SHADERPERMUTATION_FOGHEIGHTTEXTURE : (r_refdef.fogplaneviewabove ? SHADERPERMUTATION_FOGOUTSIDE : SHADERPERMUTATION_FOGINSIDE);
2255                 if (rsurface.texture->colormapping)
2256                         permutation |= SHADERPERMUTATION_COLORMAPPING;
2257                 if (r_shadow_usingshadowmaportho && !(rsurface.ent_flags & RENDER_NOSELFSHADOW))
2258                 {
2259                         permutation |= SHADERPERMUTATION_SHADOWMAPORTHO;
2260                         permutation |= SHADERPERMUTATION_SHADOWMAP2D;
2261
2262                         if (r_shadow_shadowmapsampler)
2263                                 permutation |= SHADERPERMUTATION_SHADOWSAMPLER;
2264                         if (r_shadow_shadowmappcf > 1)
2265                                 permutation |= SHADERPERMUTATION_SHADOWMAPPCF2;
2266                         else if (r_shadow_shadowmappcf)
2267                                 permutation |= SHADERPERMUTATION_SHADOWMAPPCF;
2268                         if (r_shadow_shadowmap2ddepthbuffer)
2269                                 permutation |= SHADERPERMUTATION_DEPTHRGB;
2270                 }
2271                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_REFLECTION)
2272                         permutation |= SHADERPERMUTATION_REFLECTION;
2273                 if (rsurface.texture->reflectmasktexture)
2274                         permutation |= SHADERPERMUTATION_REFLECTCUBE;
2275                 GL_BlendFunc(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
2276                 blendfuncflags = R_BlendFuncFlags(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
2277                 // when using alphatocoverage, we don't need alphakill
2278                 if (vid.allowalphatocoverage)
2279                 {
2280                         if (r_transparent_alphatocoverage.integer)
2281                         {
2282                                 GL_AlphaToCoverage((rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST) != 0);
2283                                 permutation &= ~SHADERPERMUTATION_ALPHAKILL;
2284                         }
2285                         else
2286                                 GL_AlphaToCoverage(false);
2287                 }
2288         }
2289         else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT_DIRECTIONAL)
2290         {
2291                 if (r_glsl_offsetmapping.integer && ((R_TextureFlags(rsurface.texture->nmaptexture) & TEXF_ALPHA) || rsurface.texture->offsetbias != 0.0f))
2292                 {
2293                         switch(rsurface.texture->offsetmapping)
2294                         {
2295                         case OFFSETMAPPING_LINEAR: permutation |= SHADERPERMUTATION_OFFSETMAPPING;break;
2296                         case OFFSETMAPPING_RELIEF: permutation |= SHADERPERMUTATION_OFFSETMAPPING | SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
2297                         case OFFSETMAPPING_DEFAULT: permutation |= SHADERPERMUTATION_OFFSETMAPPING;if (r_glsl_offsetmapping_reliefmapping.integer) permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
2298                         case OFFSETMAPPING_OFF: break;
2299                         }
2300                 }
2301                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_VERTEXTEXTUREBLEND)
2302                         permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
2303                 // directional model lighting
2304                 mode = SHADERMODE_LIGHTDIRECTION;
2305                 if (rsurface.texture->glowtexture && r_hdr_glowintensity.value > 0 && !gl_lightmaps.integer)
2306                         permutation |= SHADERPERMUTATION_GLOW;
2307                 permutation |= SHADERPERMUTATION_DIFFUSE;
2308                 if (specularscale > 0)
2309                         permutation |= SHADERPERMUTATION_SPECULAR;
2310                 if (r_refdef.fogenabled)
2311                         permutation |= r_texture_fogheighttexture ? SHADERPERMUTATION_FOGHEIGHTTEXTURE : (r_refdef.fogplaneviewabove ? SHADERPERMUTATION_FOGOUTSIDE : SHADERPERMUTATION_FOGINSIDE);
2312                 if (rsurface.texture->colormapping)
2313                         permutation |= SHADERPERMUTATION_COLORMAPPING;
2314                 if (r_shadow_usingshadowmaportho && !(rsurface.ent_flags & RENDER_NOSELFSHADOW))
2315                 {
2316                         permutation |= SHADERPERMUTATION_SHADOWMAPORTHO;
2317                         permutation |= SHADERPERMUTATION_SHADOWMAP2D;
2318
2319                         if (r_shadow_shadowmapsampler)
2320                                 permutation |= SHADERPERMUTATION_SHADOWSAMPLER;
2321                         if (r_shadow_shadowmappcf > 1)
2322                                 permutation |= SHADERPERMUTATION_SHADOWMAPPCF2;
2323                         else if (r_shadow_shadowmappcf)
2324                                 permutation |= SHADERPERMUTATION_SHADOWMAPPCF;
2325                         if (r_shadow_shadowmap2ddepthbuffer)
2326                                 permutation |= SHADERPERMUTATION_DEPTHRGB;
2327                 }
2328                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_REFLECTION)
2329                         permutation |= SHADERPERMUTATION_REFLECTION;
2330                 if (r_shadow_usingdeferredprepass && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_BLENDED))
2331                         permutation |= SHADERPERMUTATION_DEFERREDLIGHTMAP;
2332                 if (rsurface.texture->reflectmasktexture)
2333                         permutation |= SHADERPERMUTATION_REFLECTCUBE;
2334                 if (r_shadow_bouncegridtexture && cl.csqc_vidvars.drawworld)
2335                 {
2336                         permutation |= SHADERPERMUTATION_BOUNCEGRID;
2337                         if (r_shadow_bouncegriddirectional)
2338                                 permutation |= SHADERPERMUTATION_BOUNCEGRIDDIRECTIONAL;
2339                 }
2340                 GL_BlendFunc(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
2341                 blendfuncflags = R_BlendFuncFlags(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
2342                 // when using alphatocoverage, we don't need alphakill
2343                 if (vid.allowalphatocoverage)
2344                 {
2345                         if (r_transparent_alphatocoverage.integer)
2346                         {
2347                                 GL_AlphaToCoverage((rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST) != 0);
2348                                 permutation &= ~SHADERPERMUTATION_ALPHAKILL;
2349                         }
2350                         else
2351                                 GL_AlphaToCoverage(false);
2352                 }
2353         }
2354         else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT)
2355         {
2356                 if (r_glsl_offsetmapping.integer && ((R_TextureFlags(rsurface.texture->nmaptexture) & TEXF_ALPHA) || rsurface.texture->offsetbias != 0.0f))
2357                 {
2358                         switch(rsurface.texture->offsetmapping)
2359                         {
2360                         case OFFSETMAPPING_LINEAR: permutation |= SHADERPERMUTATION_OFFSETMAPPING;break;
2361                         case OFFSETMAPPING_RELIEF: permutation |= SHADERPERMUTATION_OFFSETMAPPING | SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
2362                         case OFFSETMAPPING_DEFAULT: permutation |= SHADERPERMUTATION_OFFSETMAPPING;if (r_glsl_offsetmapping_reliefmapping.integer) permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
2363                         case OFFSETMAPPING_OFF: break;
2364                         }
2365                 }
2366                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_VERTEXTEXTUREBLEND)
2367                         permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
2368                 // ambient model lighting
2369                 mode = SHADERMODE_LIGHTDIRECTION;
2370                 if (rsurface.texture->glowtexture && r_hdr_glowintensity.value > 0 && !gl_lightmaps.integer)
2371                         permutation |= SHADERPERMUTATION_GLOW;
2372                 if (r_refdef.fogenabled)
2373                         permutation |= r_texture_fogheighttexture ? SHADERPERMUTATION_FOGHEIGHTTEXTURE : (r_refdef.fogplaneviewabove ? SHADERPERMUTATION_FOGOUTSIDE : SHADERPERMUTATION_FOGINSIDE);
2374                 if (rsurface.texture->colormapping)
2375                         permutation |= SHADERPERMUTATION_COLORMAPPING;
2376                 if (r_shadow_usingshadowmaportho && !(rsurface.ent_flags & RENDER_NOSELFSHADOW))
2377                 {
2378                         permutation |= SHADERPERMUTATION_SHADOWMAPORTHO;
2379                         permutation |= SHADERPERMUTATION_SHADOWMAP2D;
2380
2381                         if (r_shadow_shadowmapsampler)
2382                                 permutation |= SHADERPERMUTATION_SHADOWSAMPLER;
2383                         if (r_shadow_shadowmappcf > 1)
2384                                 permutation |= SHADERPERMUTATION_SHADOWMAPPCF2;
2385                         else if (r_shadow_shadowmappcf)
2386                                 permutation |= SHADERPERMUTATION_SHADOWMAPPCF;
2387                         if (r_shadow_shadowmap2ddepthbuffer)
2388                                 permutation |= SHADERPERMUTATION_DEPTHRGB;
2389                 }
2390                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_REFLECTION)
2391                         permutation |= SHADERPERMUTATION_REFLECTION;
2392                 if (r_shadow_usingdeferredprepass && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_BLENDED))
2393                         permutation |= SHADERPERMUTATION_DEFERREDLIGHTMAP;
2394                 if (rsurface.texture->reflectmasktexture)
2395                         permutation |= SHADERPERMUTATION_REFLECTCUBE;
2396                 if (r_shadow_bouncegridtexture && cl.csqc_vidvars.drawworld)
2397                 {
2398                         permutation |= SHADERPERMUTATION_BOUNCEGRID;
2399                         if (r_shadow_bouncegriddirectional)
2400                                 permutation |= SHADERPERMUTATION_BOUNCEGRIDDIRECTIONAL;
2401                 }
2402                 GL_BlendFunc(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
2403                 blendfuncflags = R_BlendFuncFlags(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
2404                 // when using alphatocoverage, we don't need alphakill
2405                 if (vid.allowalphatocoverage)
2406                 {
2407                         if (r_transparent_alphatocoverage.integer)
2408                         {
2409                                 GL_AlphaToCoverage((rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST) != 0);
2410                                 permutation &= ~SHADERPERMUTATION_ALPHAKILL;
2411                         }
2412                         else
2413                                 GL_AlphaToCoverage(false);
2414                 }
2415         }
2416         else
2417         {
2418                 if (r_glsl_offsetmapping.integer && ((R_TextureFlags(rsurface.texture->nmaptexture) & TEXF_ALPHA) || rsurface.texture->offsetbias != 0.0f))
2419                 {
2420                         switch(rsurface.texture->offsetmapping)
2421                         {
2422                         case OFFSETMAPPING_LINEAR: permutation |= SHADERPERMUTATION_OFFSETMAPPING;break;
2423                         case OFFSETMAPPING_RELIEF: permutation |= SHADERPERMUTATION_OFFSETMAPPING | SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
2424                         case OFFSETMAPPING_DEFAULT: permutation |= SHADERPERMUTATION_OFFSETMAPPING;if (r_glsl_offsetmapping_reliefmapping.integer) permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
2425                         case OFFSETMAPPING_OFF: break;
2426                         }
2427                 }
2428                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_VERTEXTEXTUREBLEND)
2429                         permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
2430                 // lightmapped wall
2431                 if (rsurface.texture->glowtexture && r_hdr_glowintensity.value > 0 && !gl_lightmaps.integer)
2432                         permutation |= SHADERPERMUTATION_GLOW;
2433                 if (r_refdef.fogenabled)
2434                         permutation |= r_texture_fogheighttexture ? SHADERPERMUTATION_FOGHEIGHTTEXTURE : (r_refdef.fogplaneviewabove ? SHADERPERMUTATION_FOGOUTSIDE : SHADERPERMUTATION_FOGINSIDE);
2435                 if (rsurface.texture->colormapping)
2436                         permutation |= SHADERPERMUTATION_COLORMAPPING;
2437                 if (r_shadow_usingshadowmaportho && !(rsurface.ent_flags & RENDER_NOSELFSHADOW))
2438                 {
2439                         permutation |= SHADERPERMUTATION_SHADOWMAPORTHO;
2440                         permutation |= SHADERPERMUTATION_SHADOWMAP2D;
2441
2442                         if (r_shadow_shadowmapsampler)
2443                                 permutation |= SHADERPERMUTATION_SHADOWSAMPLER;
2444                         if (r_shadow_shadowmappcf > 1)
2445                                 permutation |= SHADERPERMUTATION_SHADOWMAPPCF2;
2446                         else if (r_shadow_shadowmappcf)
2447                                 permutation |= SHADERPERMUTATION_SHADOWMAPPCF;
2448                         if (r_shadow_shadowmap2ddepthbuffer)
2449                                 permutation |= SHADERPERMUTATION_DEPTHRGB;
2450                 }
2451                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_REFLECTION)
2452                         permutation |= SHADERPERMUTATION_REFLECTION;
2453                 if (r_shadow_usingdeferredprepass && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_BLENDED))
2454                         permutation |= SHADERPERMUTATION_DEFERREDLIGHTMAP;
2455                 if (rsurface.texture->reflectmasktexture)
2456                         permutation |= SHADERPERMUTATION_REFLECTCUBE;
2457                 if (FAKELIGHT_ENABLED)
2458                 {
2459                         // fake lightmapping (q1bsp, q3bsp, fullbright map)
2460                         mode = SHADERMODE_FAKELIGHT;
2461                         permutation |= SHADERPERMUTATION_DIFFUSE;
2462                         if (specularscale > 0)
2463                                 permutation |= SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_DIFFUSE;
2464                 }
2465                 else if (r_glsl_deluxemapping.integer >= 1 && rsurface.uselightmaptexture && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brushq3.deluxemapping)
2466                 {
2467                         // deluxemapping (light direction texture)
2468                         if (rsurface.uselightmaptexture && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brushq3.deluxemapping && r_refdef.scene.worldmodel->brushq3.deluxemapping_modelspace)
2469                                 mode = SHADERMODE_LIGHTDIRECTIONMAP_MODELSPACE;
2470                         else
2471                                 mode = SHADERMODE_LIGHTDIRECTIONMAP_TANGENTSPACE;
2472                         permutation |= SHADERPERMUTATION_DIFFUSE;
2473                         if (specularscale > 0)
2474                                 permutation |= SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_DIFFUSE;
2475                 }
2476                 else if (r_glsl_deluxemapping.integer >= 2)
2477                 {
2478                         // fake deluxemapping (uniform light direction in tangentspace)
2479                         if (rsurface.uselightmaptexture)
2480                                 mode = SHADERMODE_LIGHTDIRECTIONMAP_FORCED_LIGHTMAP;
2481                         else
2482                                 mode = SHADERMODE_LIGHTDIRECTIONMAP_FORCED_VERTEXCOLOR;
2483                         permutation |= SHADERPERMUTATION_DIFFUSE;
2484                         if (specularscale > 0)
2485                                 permutation |= SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_DIFFUSE;
2486                 }
2487                 else if (rsurface.uselightmaptexture)
2488                 {
2489                         // ordinary lightmapping (q1bsp, q3bsp)
2490                         mode = SHADERMODE_LIGHTMAP;
2491                 }
2492                 else
2493                 {
2494                         // ordinary vertex coloring (q3bsp)
2495                         mode = SHADERMODE_VERTEXCOLOR;
2496                 }
2497                 if (r_shadow_bouncegridtexture && cl.csqc_vidvars.drawworld)
2498                 {
2499                         permutation |= SHADERPERMUTATION_BOUNCEGRID;
2500                         if (r_shadow_bouncegriddirectional)
2501                                 permutation |= SHADERPERMUTATION_BOUNCEGRIDDIRECTIONAL;
2502                 }
2503                 GL_BlendFunc(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
2504                 blendfuncflags = R_BlendFuncFlags(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
2505                 // when using alphatocoverage, we don't need alphakill
2506                 if (vid.allowalphatocoverage)
2507                 {
2508                         if (r_transparent_alphatocoverage.integer)
2509                         {
2510                                 GL_AlphaToCoverage((rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST) != 0);
2511                                 permutation &= ~SHADERPERMUTATION_ALPHAKILL;
2512                         }
2513                         else
2514                                 GL_AlphaToCoverage(false);
2515                 }
2516         }
2517         if(!(blendfuncflags & BLENDFUNC_ALLOWS_COLORMOD))
2518                 colormod = dummy_colormod;
2519         if(!(blendfuncflags & BLENDFUNC_ALLOWS_ANYFOG))
2520                 permutation &= ~(SHADERPERMUTATION_FOGHEIGHTTEXTURE | SHADERPERMUTATION_FOGOUTSIDE | SHADERPERMUTATION_FOGINSIDE);
2521         if(blendfuncflags & BLENDFUNC_ALLOWS_FOG_HACKALPHA)
2522                 permutation |= SHADERPERMUTATION_FOGALPHAHACK;
2523         switch(vid.renderpath)
2524         {
2525         case RENDERPATH_D3D9:
2526 #ifdef SUPPORTD3D
2527                 RSurf_PrepareVerticesForBatch(BATCHNEED_VERTEXMESH_VERTEX | BATCHNEED_VERTEXMESH_NORMAL | BATCHNEED_VERTEXMESH_VECTOR | (rsurface.modellightmapcolor4f ? BATCHNEED_VERTEXMESH_VERTEXCOLOR : 0) | BATCHNEED_VERTEXMESH_TEXCOORD | (rsurface.uselightmaptexture ? BATCHNEED_VERTEXMESH_LIGHTMAP : 0), texturenumsurfaces, texturesurfacelist);
2528                 R_Mesh_PrepareVertices_Mesh(rsurface.batchnumvertices, rsurface.batchvertexmesh, rsurface.batchvertexmeshbuffer);
2529                 R_SetupShader_SetPermutationHLSL(mode, permutation);
2530                 Matrix4x4_ToArrayFloatGL(&rsurface.matrix, m16f);hlslPSSetParameter16f(D3DPSREGISTER_ModelToReflectCube, m16f);
2531                 if (mode == SHADERMODE_LIGHTSOURCE)
2532                 {
2533                         Matrix4x4_ToArrayFloatGL(&rsurface.entitytolight, m16f);hlslVSSetParameter16f(D3DVSREGISTER_ModelToLight, m16f);
2534                         hlslVSSetParameter3f(D3DVSREGISTER_LightPosition, rsurface.entitylightorigin[0], rsurface.entitylightorigin[1], rsurface.entitylightorigin[2]);
2535                 }
2536                 else
2537                 {
2538                         if (mode == SHADERMODE_LIGHTDIRECTION)
2539                         {
2540                                 hlslVSSetParameter3f(D3DVSREGISTER_LightDir, rsurface.modellight_lightdir[0], rsurface.modellight_lightdir[1], rsurface.modellight_lightdir[2]);
2541                         }
2542                 }
2543                 Matrix4x4_ToArrayFloatGL(&rsurface.texture->currenttexmatrix, m16f);hlslVSSetParameter16f(D3DVSREGISTER_TexMatrix, m16f);
2544                 Matrix4x4_ToArrayFloatGL(&rsurface.texture->currentbackgroundtexmatrix, m16f);hlslVSSetParameter16f(D3DVSREGISTER_BackgroundTexMatrix, m16f);
2545                 Matrix4x4_ToArrayFloatGL(&r_shadow_shadowmapmatrix, m16f);hlslVSSetParameter16f(D3DVSREGISTER_ShadowMapMatrix, m16f);
2546                 hlslVSSetParameter3f(D3DVSREGISTER_EyePosition, rsurface.localvieworigin[0], rsurface.localvieworigin[1], rsurface.localvieworigin[2]);
2547                 hlslVSSetParameter4f(D3DVSREGISTER_FogPlane, rsurface.fogplane[0], rsurface.fogplane[1], rsurface.fogplane[2], rsurface.fogplane[3]);
2548
2549                 if (mode == SHADERMODE_LIGHTSOURCE)
2550                 {
2551                         hlslPSSetParameter3f(D3DPSREGISTER_LightPosition, rsurface.entitylightorigin[0], rsurface.entitylightorigin[1], rsurface.entitylightorigin[2]);
2552                         hlslPSSetParameter3f(D3DPSREGISTER_LightColor, lightcolorbase[0], lightcolorbase[1], lightcolorbase[2]);
2553                         hlslPSSetParameter3f(D3DPSREGISTER_Color_Ambient, colormod[0] * ambientscale, colormod[1] * ambientscale, colormod[2] * ambientscale);
2554                         hlslPSSetParameter3f(D3DPSREGISTER_Color_Diffuse, colormod[0] * diffusescale, colormod[1] * diffusescale, colormod[2] * diffusescale);
2555                         hlslPSSetParameter3f(D3DPSREGISTER_Color_Specular, r_refdef.view.colorscale * specularscale, r_refdef.view.colorscale * specularscale, r_refdef.view.colorscale * specularscale);
2556
2557                         // additive passes are only darkened by fog, not tinted
2558                         hlslPSSetParameter3f(D3DPSREGISTER_FogColor, 0, 0, 0);
2559                         hlslPSSetParameter1f(D3DPSREGISTER_SpecularPower, rsurface.texture->specularpower * (r_shadow_glossexact.integer ? 0.25f : 1.0f) - 1.0f);
2560                 }
2561                 else
2562                 {
2563                         if (mode == SHADERMODE_FLATCOLOR)
2564                         {
2565                                 hlslPSSetParameter3f(D3DPSREGISTER_Color_Ambient, colormod[0], colormod[1], colormod[2]);
2566                         }
2567                         else if (mode == SHADERMODE_LIGHTDIRECTION)
2568                         {
2569                                 hlslPSSetParameter3f(D3DPSREGISTER_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]);
2570                                 hlslPSSetParameter3f(D3DPSREGISTER_Color_Diffuse, r_refdef.lightmapintensity * colormod[0], r_refdef.lightmapintensity * colormod[1], r_refdef.lightmapintensity * colormod[2]);
2571                                 hlslPSSetParameter3f(D3DPSREGISTER_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);
2572                                 hlslPSSetParameter3f(D3DPSREGISTER_DeferredMod_Diffuse, colormod[0], colormod[1], colormod[2]);
2573                                 hlslPSSetParameter3f(D3DPSREGISTER_DeferredMod_Specular, specularscale, specularscale, specularscale);
2574                                 hlslPSSetParameter3f(D3DPSREGISTER_LightColor, rsurface.modellight_diffuse[0], rsurface.modellight_diffuse[1], rsurface.modellight_diffuse[2]);
2575                                 hlslPSSetParameter3f(D3DPSREGISTER_LightDir, rsurface.modellight_lightdir[0], rsurface.modellight_lightdir[1], rsurface.modellight_lightdir[2]);
2576                         }
2577                         else
2578                         {
2579                                 hlslPSSetParameter3f(D3DPSREGISTER_Color_Ambient, r_refdef.scene.ambient * colormod[0], r_refdef.scene.ambient * colormod[1], r_refdef.scene.ambient * colormod[2]);
2580                                 hlslPSSetParameter3f(D3DPSREGISTER_Color_Diffuse, rsurface.texture->lightmapcolor[0], rsurface.texture->lightmapcolor[1], rsurface.texture->lightmapcolor[2]);
2581                                 hlslPSSetParameter3f(D3DPSREGISTER_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);
2582                                 hlslPSSetParameter3f(D3DPSREGISTER_DeferredMod_Diffuse, colormod[0] * diffusescale, colormod[1] * diffusescale, colormod[2] * diffusescale);
2583                                 hlslPSSetParameter3f(D3DPSREGISTER_DeferredMod_Specular, specularscale, specularscale, specularscale);
2584                         }
2585                         // additive passes are only darkened by fog, not tinted
2586                         if(blendfuncflags & BLENDFUNC_ALLOWS_FOG_HACK0)
2587                                 hlslPSSetParameter3f(D3DPSREGISTER_FogColor, 0, 0, 0);
2588                         else
2589                                 hlslPSSetParameter3f(D3DPSREGISTER_FogColor, r_refdef.fogcolor[0], r_refdef.fogcolor[1], r_refdef.fogcolor[2]);
2590                         hlslPSSetParameter4f(D3DPSREGISTER_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);
2591                         hlslPSSetParameter4f(D3DPSREGISTER_ScreenScaleRefractReflect, r_fb.water.screenscale[0], r_fb.water.screenscale[1], r_fb.water.screenscale[0], r_fb.water.screenscale[1]);
2592                         hlslPSSetParameter4f(D3DPSREGISTER_ScreenCenterRefractReflect, r_fb.water.screencenter[0], r_fb.water.screencenter[1], r_fb.water.screencenter[0], r_fb.water.screencenter[1]);
2593                         hlslPSSetParameter4f(D3DPSREGISTER_RefractColor, rsurface.texture->refractcolor4f[0], rsurface.texture->refractcolor4f[1], rsurface.texture->refractcolor4f[2], rsurface.texture->refractcolor4f[3] * rsurface.texture->lightmapcolor[3]);
2594                         hlslPSSetParameter4f(D3DPSREGISTER_ReflectColor, rsurface.texture->reflectcolor4f[0], rsurface.texture->reflectcolor4f[1], rsurface.texture->reflectcolor4f[2], rsurface.texture->reflectcolor4f[3] * rsurface.texture->lightmapcolor[3]);
2595                         hlslPSSetParameter1f(D3DPSREGISTER_ReflectFactor, rsurface.texture->reflectmax - rsurface.texture->reflectmin);
2596                         hlslPSSetParameter1f(D3DPSREGISTER_ReflectOffset, rsurface.texture->reflectmin);
2597                         hlslPSSetParameter1f(D3DPSREGISTER_SpecularPower, (rsurface.texture->specularpower - 1.0f) * (r_shadow_glossexact.integer ? 0.25f : 1.0f));
2598                         if (mode == SHADERMODE_WATER)
2599                                 hlslPSSetParameter2f(D3DPSREGISTER_NormalmapScrollBlend, rsurface.texture->r_water_waterscroll[0], rsurface.texture->r_water_waterscroll[1]);
2600                 }
2601                 hlslPSSetParameter2f(D3DPSREGISTER_ShadowMap_TextureScale, r_shadow_shadowmap_texturescale[0], r_shadow_shadowmap_texturescale[1]);
2602                 hlslPSSetParameter4f(D3DPSREGISTER_ShadowMap_Parameters, r_shadow_shadowmap_parameters[0], r_shadow_shadowmap_parameters[1], r_shadow_shadowmap_parameters[2], r_shadow_shadowmap_parameters[3]);
2603                 hlslPSSetParameter3f(D3DPSREGISTER_Color_Glow, rsurface.glowmod[0], rsurface.glowmod[1], rsurface.glowmod[2]);
2604                 hlslPSSetParameter1f(D3DPSREGISTER_Alpha, rsurface.texture->lightmapcolor[3] * ((rsurface.texture->basematerialflags & MATERIALFLAG_WATERSHADER && r_fb.water.enabled && !r_refdef.view.isoverlay) ? rsurface.texture->r_water_wateralpha : 1));
2605                 hlslPSSetParameter3f(D3DPSREGISTER_EyePosition, rsurface.localvieworigin[0], rsurface.localvieworigin[1], rsurface.localvieworigin[2]);
2606                 if (rsurface.texture->pantstexture)
2607                         hlslPSSetParameter3f(D3DPSREGISTER_Color_Pants, rsurface.colormap_pantscolor[0], rsurface.colormap_pantscolor[1], rsurface.colormap_pantscolor[2]);
2608                 else
2609                         hlslPSSetParameter3f(D3DPSREGISTER_Color_Pants, 0, 0, 0);
2610                 if (rsurface.texture->shirttexture)
2611                         hlslPSSetParameter3f(D3DPSREGISTER_Color_Shirt, rsurface.colormap_shirtcolor[0], rsurface.colormap_shirtcolor[1], rsurface.colormap_shirtcolor[2]);
2612                 else
2613                         hlslPSSetParameter3f(D3DPSREGISTER_Color_Shirt, 0, 0, 0);
2614                 hlslPSSetParameter4f(D3DPSREGISTER_FogPlane, rsurface.fogplane[0], rsurface.fogplane[1], rsurface.fogplane[2], rsurface.fogplane[3]);
2615                 hlslPSSetParameter1f(D3DPSREGISTER_FogPlaneViewDist, rsurface.fogplaneviewdist);
2616                 hlslPSSetParameter1f(D3DPSREGISTER_FogRangeRecip, rsurface.fograngerecip);
2617                 hlslPSSetParameter1f(D3DPSREGISTER_FogHeightFade, rsurface.fogheightfade);
2618                 hlslPSSetParameter4f(D3DPSREGISTER_OffsetMapping_ScaleSteps,
2619                                 r_glsl_offsetmapping_scale.value*rsurface.texture->offsetscale,
2620                                 max(1, (permutation & SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING) ? r_glsl_offsetmapping_reliefmapping_steps.integer : r_glsl_offsetmapping_steps.integer),
2621                                 1.0 / max(1, (permutation & SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING) ? r_glsl_offsetmapping_reliefmapping_steps.integer : r_glsl_offsetmapping_steps.integer),
2622                                 max(1, r_glsl_offsetmapping_reliefmapping_refinesteps.integer)
2623                         );
2624                 hlslPSSetParameter1f(D3DPSREGISTER_OffsetMapping_LodDistance, r_glsl_offsetmapping_lod_distance.integer * r_refdef.view.quality);
2625                 hlslPSSetParameter1f(D3DPSREGISTER_OffsetMapping_Bias, rsurface.texture->offsetbias);
2626                 hlslPSSetParameter2f(D3DPSREGISTER_ScreenToDepth, r_refdef.view.viewport.screentodepth[0], r_refdef.view.viewport.screentodepth[1]);
2627                 hlslPSSetParameter2f(D3DPSREGISTER_PixelToScreenTexCoord, 1.0f/vid.width, 1.0/vid.height);
2628
2629                 R_Mesh_TexBind(GL20TU_NORMAL            , rsurface.texture->nmaptexture                       );
2630                 R_Mesh_TexBind(GL20TU_COLOR             , rsurface.texture->basetexture                       );
2631                 R_Mesh_TexBind(GL20TU_GLOSS             , rsurface.texture->glosstexture                      );
2632                 R_Mesh_TexBind(GL20TU_GLOW              , rsurface.texture->glowtexture                       );
2633                 if (permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND) R_Mesh_TexBind(GL20TU_SECONDARY_NORMAL  , rsurface.texture->backgroundnmaptexture             );
2634                 if (permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND) R_Mesh_TexBind(GL20TU_SECONDARY_COLOR   , rsurface.texture->backgroundbasetexture             );
2635                 if (permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND) R_Mesh_TexBind(GL20TU_SECONDARY_GLOSS   , rsurface.texture->backgroundglosstexture            );
2636                 if (permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND) R_Mesh_TexBind(GL20TU_SECONDARY_GLOW    , rsurface.texture->backgroundglowtexture             );
2637                 if (permutation & SHADERPERMUTATION_COLORMAPPING) R_Mesh_TexBind(GL20TU_PANTS             , rsurface.texture->pantstexture                      );
2638                 if (permutation & SHADERPERMUTATION_COLORMAPPING) R_Mesh_TexBind(GL20TU_SHIRT             , rsurface.texture->shirttexture                      );
2639                 if (permutation & SHADERPERMUTATION_REFLECTCUBE) R_Mesh_TexBind(GL20TU_REFLECTMASK       , rsurface.texture->reflectmasktexture                );
2640                 if (permutation & SHADERPERMUTATION_REFLECTCUBE) R_Mesh_TexBind(GL20TU_REFLECTCUBE       , rsurface.texture->reflectcubetexture ? rsurface.texture->reflectcubetexture : r_texture_whitecube);
2641                 if (permutation & SHADERPERMUTATION_FOGHEIGHTTEXTURE) R_Mesh_TexBind(GL20TU_FOGHEIGHTTEXTURE  , r_texture_fogheighttexture                          );
2642                 if (permutation & (SHADERPERMUTATION_FOGINSIDE | SHADERPERMUTATION_FOGOUTSIDE)) R_Mesh_TexBind(GL20TU_FOGMASK           , r_texture_fogattenuation                            );
2643                 R_Mesh_TexBind(GL20TU_LIGHTMAP          , rsurface.lightmaptexture ? rsurface.lightmaptexture : r_texture_white);
2644                 R_Mesh_TexBind(GL20TU_DELUXEMAP         , rsurface.deluxemaptexture ? rsurface.deluxemaptexture : r_texture_blanknormalmap);
2645                 if (rsurface.rtlight                                  ) R_Mesh_TexBind(GL20TU_ATTENUATION       , r_shadow_attenuationgradienttexture                 );
2646                 if (rsurfacepass == RSURFPASS_BACKGROUND)
2647                 {
2648                         R_Mesh_TexBind(GL20TU_REFRACTION        , waterplane->texture_refraction ? waterplane->texture_refraction : r_texture_black);
2649                         if(mode == SHADERMODE_GENERIC) R_Mesh_TexBind(GL20TU_FIRST             , waterplane->texture_camera ? waterplane->texture_camera : r_texture_black);
2650                         R_Mesh_TexBind(GL20TU_REFLECTION        , waterplane->texture_reflection ? waterplane->texture_reflection : r_texture_black);
2651                 }
2652                 else
2653                 {
2654                         if (permutation & SHADERPERMUTATION_REFLECTION        ) R_Mesh_TexBind(GL20TU_REFLECTION        , waterplane->texture_reflection ? waterplane->texture_reflection : r_texture_black);
2655                 }
2656 //              if (rsurfacepass == RSURFPASS_DEFERREDLIGHT           ) R_Mesh_TexBind(GL20TU_SCREENNORMALMAP   , r_shadow_prepassgeometrynormalmaptexture            );
2657                 if (permutation & SHADERPERMUTATION_DEFERREDLIGHTMAP  ) R_Mesh_TexBind(GL20TU_SCREENDIFFUSE     , r_shadow_prepasslightingdiffusetexture              );
2658                 if (permutation & SHADERPERMUTATION_DEFERREDLIGHTMAP  ) R_Mesh_TexBind(GL20TU_SCREENSPECULAR    , r_shadow_prepasslightingspeculartexture             );
2659                 if (rsurface.rtlight || (r_shadow_usingshadowmaportho && !(rsurface.ent_flags & RENDER_NOSELFSHADOW)))
2660                 {
2661                         R_Mesh_TexBind(GL20TU_SHADOWMAP2D, r_shadow_shadowmap2ddepthtexture);
2662                         if (rsurface.rtlight)
2663                         {
2664                                 if (permutation & SHADERPERMUTATION_CUBEFILTER        ) R_Mesh_TexBind(GL20TU_CUBE              , rsurface.rtlight->currentcubemap                    );
2665                                 if (permutation & SHADERPERMUTATION_SHADOWMAPVSDCT    ) R_Mesh_TexBind(GL20TU_CUBEPROJECTION    , r_shadow_shadowmapvsdcttexture                      );
2666                         }
2667                 }
2668 #endif
2669                 break;
2670         case RENDERPATH_D3D10:
2671                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2672                 break;
2673         case RENDERPATH_D3D11:
2674                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2675                 break;
2676         case RENDERPATH_GL20:
2677         case RENDERPATH_GLES2:
2678                 if (!vid.useinterleavedarrays)
2679                 {
2680                         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_VECTOR | (rsurface.modellightmapcolor4f ? BATCHNEED_ARRAY_VERTEXCOLOR : 0) | BATCHNEED_ARRAY_TEXCOORD | (rsurface.uselightmaptexture ? BATCHNEED_ARRAY_LIGHTMAP : 0), texturenumsurfaces, texturesurfacelist);
2681                         R_Mesh_VertexPointer(     3, GL_FLOAT, sizeof(float[3]), rsurface.batchvertex3f, rsurface.batchvertex3f_vertexbuffer, rsurface.batchvertex3f_bufferoffset);
2682                         R_Mesh_ColorPointer(      4, GL_FLOAT, sizeof(float[4]), rsurface.batchlightmapcolor4f, rsurface.batchlightmapcolor4f_vertexbuffer, rsurface.batchlightmapcolor4f_bufferoffset);
2683                         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), rsurface.batchtexcoordtexture2f, rsurface.batchtexcoordtexture2f_vertexbuffer, rsurface.batchtexcoordtexture2f_bufferoffset);
2684                         R_Mesh_TexCoordPointer(1, 3, GL_FLOAT, sizeof(float[3]), rsurface.batchsvector3f, rsurface.batchsvector3f_vertexbuffer, rsurface.batchsvector3f_bufferoffset);
2685                         R_Mesh_TexCoordPointer(2, 3, GL_FLOAT, sizeof(float[3]), rsurface.batchtvector3f, rsurface.batchtvector3f_vertexbuffer, rsurface.batchtvector3f_bufferoffset);
2686                         R_Mesh_TexCoordPointer(3, 3, GL_FLOAT, sizeof(float[3]), rsurface.batchnormal3f, rsurface.batchnormal3f_vertexbuffer, rsurface.batchnormal3f_bufferoffset);
2687                         R_Mesh_TexCoordPointer(4, 2, GL_FLOAT, sizeof(float[2]), rsurface.batchtexcoordlightmap2f, rsurface.batchtexcoordlightmap2f_vertexbuffer, rsurface.batchtexcoordlightmap2f_bufferoffset);
2688                 }
2689                 else
2690                 {
2691                         RSurf_PrepareVerticesForBatch(BATCHNEED_VERTEXMESH_VERTEX | BATCHNEED_VERTEXMESH_NORMAL | BATCHNEED_VERTEXMESH_VECTOR | (rsurface.modellightmapcolor4f ? BATCHNEED_VERTEXMESH_VERTEXCOLOR : 0) | BATCHNEED_VERTEXMESH_TEXCOORD | (rsurface.uselightmaptexture ? BATCHNEED_VERTEXMESH_LIGHTMAP : 0), texturenumsurfaces, texturesurfacelist);
2692                         R_Mesh_PrepareVertices_Mesh(rsurface.batchnumvertices, rsurface.batchvertexmesh, rsurface.batchvertexmeshbuffer);
2693                 }
2694                 R_SetupShader_SetPermutationGLSL(mode, permutation);
2695                 if (r_glsl_permutation->loc_ModelToReflectCube >= 0) {Matrix4x4_ToArrayFloatGL(&rsurface.matrix, m16f);qglUniformMatrix4fv(r_glsl_permutation->loc_ModelToReflectCube, 1, false, m16f);}
2696                 if (mode == SHADERMODE_LIGHTSOURCE)
2697                 {
2698                         if (r_glsl_permutation->loc_ModelToLight >= 0) {Matrix4x4_ToArrayFloatGL(&rsurface.entitytolight, m16f);qglUniformMatrix4fv(r_glsl_permutation->loc_ModelToLight, 1, false, m16f);}
2699                         if (r_glsl_permutation->loc_LightPosition >= 0) qglUniform3f(r_glsl_permutation->loc_LightPosition, rsurface.entitylightorigin[0], rsurface.entitylightorigin[1], rsurface.entitylightorigin[2]);
2700                         if (r_glsl_permutation->loc_LightColor >= 0) qglUniform3f(r_glsl_permutation->loc_LightColor, lightcolorbase[0], lightcolorbase[1], lightcolorbase[2]);
2701                         if (r_glsl_permutation->loc_Color_Ambient >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Ambient, colormod[0] * ambientscale, colormod[1] * ambientscale, colormod[2] * ambientscale);
2702                         if (r_glsl_permutation->loc_Color_Diffuse >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Diffuse, colormod[0] * diffusescale, colormod[1] * diffusescale, colormod[2] * diffusescale);
2703                         if (r_glsl_permutation->loc_Color_Specular >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Specular, r_refdef.view.colorscale * specularscale, r_refdef.view.colorscale * specularscale, r_refdef.view.colorscale * specularscale);
2704
2705                         // additive passes are only darkened by fog, not tinted
2706                         if (r_glsl_permutation->loc_FogColor >= 0)
2707                                 qglUniform3f(r_glsl_permutation->loc_FogColor, 0, 0, 0);
2708                         if (r_glsl_permutation->loc_SpecularPower >= 0) qglUniform1f(r_glsl_permutation->loc_SpecularPower, rsurface.texture->specularpower * (r_shadow_glossexact.integer ? 0.25f : 1.0f) - 1.0f);
2709                 }
2710                 else
2711                 {
2712                         if (mode == SHADERMODE_FLATCOLOR)
2713                         {
2714                                 if (r_glsl_permutation->loc_Color_Ambient >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Ambient, colormod[0], colormod[1], colormod[2]);
2715                         }
2716                         else if (mode == SHADERMODE_LIGHTDIRECTION)
2717                         {
2718                                 if (r_glsl_permutation->loc_Color_Ambient >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Ambient, (r_refdef.scene.ambient + rsurface.modellight_ambient[0] * r_refdef.lightmapintensity * r_refdef.scene.rtlightstylevalue[0]) * colormod[0], (r_refdef.scene.ambient + rsurface.modellight_ambient[1] * r_refdef.lightmapintensity * r_refdef.scene.rtlightstylevalue[0]) * colormod[1], (r_refdef.scene.ambient + rsurface.modellight_ambient[2] * r_refdef.lightmapintensity * r_refdef.scene.rtlightstylevalue[0]) * colormod[2]);
2719                                 if (r_glsl_permutation->loc_Color_Diffuse >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Diffuse, r_refdef.lightmapintensity * colormod[0], r_refdef.lightmapintensity * colormod[1], r_refdef.lightmapintensity * colormod[2]);
2720                                 if (r_glsl_permutation->loc_Color_Specular >= 0) qglUniform3f(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);
2721                                 if (r_glsl_permutation->loc_DeferredMod_Diffuse >= 0) qglUniform3f(r_glsl_permutation->loc_DeferredMod_Diffuse, colormod[0], colormod[1], colormod[2]);
2722                                 if (r_glsl_permutation->loc_DeferredMod_Specular >= 0) qglUniform3f(r_glsl_permutation->loc_DeferredMod_Specular, specularscale, specularscale, specularscale);
2723                                 if (r_glsl_permutation->loc_LightColor >= 0) qglUniform3f(r_glsl_permutation->loc_LightColor, rsurface.modellight_diffuse[0] * r_refdef.scene.rtlightstylevalue[0], rsurface.modellight_diffuse[1] * r_refdef.scene.rtlightstylevalue[0], rsurface.modellight_diffuse[2] * r_refdef.scene.rtlightstylevalue[0]);
2724                                 if (r_glsl_permutation->loc_LightDir >= 0) qglUniform3f(r_glsl_permutation->loc_LightDir, rsurface.modellight_lightdir[0], rsurface.modellight_lightdir[1], rsurface.modellight_lightdir[2]);
2725                         }
2726                         else
2727                         {
2728                                 if (r_glsl_permutation->loc_Color_Ambient >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Ambient, r_refdef.scene.ambient * colormod[0], r_refdef.scene.ambient * colormod[1], r_refdef.scene.ambient * colormod[2]);
2729                                 if (r_glsl_permutation->loc_Color_Diffuse >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Diffuse, rsurface.texture->lightmapcolor[0], rsurface.texture->lightmapcolor[1], rsurface.texture->lightmapcolor[2]);
2730                                 if (r_glsl_permutation->loc_Color_Specular >= 0) qglUniform3f(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);
2731                                 if (r_glsl_permutation->loc_DeferredMod_Diffuse >= 0) qglUniform3f(r_glsl_permutation->loc_DeferredMod_Diffuse, colormod[0] * diffusescale, colormod[1] * diffusescale, colormod[2] * diffusescale);
2732                                 if (r_glsl_permutation->loc_DeferredMod_Specular >= 0) qglUniform3f(r_glsl_permutation->loc_DeferredMod_Specular, specularscale, specularscale, specularscale);
2733                         }
2734                         // additive passes are only darkened by fog, not tinted
2735                         if (r_glsl_permutation->loc_FogColor >= 0)
2736                         {
2737                                 if(blendfuncflags & BLENDFUNC_ALLOWS_FOG_HACK0)
2738                                         qglUniform3f(r_glsl_permutation->loc_FogColor, 0, 0, 0);
2739                                 else
2740                                         qglUniform3f(r_glsl_permutation->loc_FogColor, r_refdef.fogcolor[0], r_refdef.fogcolor[1], r_refdef.fogcolor[2]);
2741                         }
2742                         if (r_glsl_permutation->loc_DistortScaleRefractReflect >= 0) qglUniform4f(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);
2743                         if (r_glsl_permutation->loc_ScreenScaleRefractReflect >= 0) qglUniform4f(r_glsl_permutation->loc_ScreenScaleRefractReflect, r_fb.water.screenscale[0], r_fb.water.screenscale[1], r_fb.water.screenscale[0], r_fb.water.screenscale[1]);
2744                         if (r_glsl_permutation->loc_ScreenCenterRefractReflect >= 0) qglUniform4f(r_glsl_permutation->loc_ScreenCenterRefractReflect, r_fb.water.screencenter[0], r_fb.water.screencenter[1], r_fb.water.screencenter[0], r_fb.water.screencenter[1]);
2745                         if (r_glsl_permutation->loc_RefractColor >= 0) qglUniform4f(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]);
2746                         if (r_glsl_permutation->loc_ReflectColor >= 0) qglUniform4f(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]);
2747                         if (r_glsl_permutation->loc_ReflectFactor >= 0) qglUniform1f(r_glsl_permutation->loc_ReflectFactor, rsurface.texture->reflectmax - rsurface.texture->reflectmin);
2748                         if (r_glsl_permutation->loc_ReflectOffset >= 0) qglUniform1f(r_glsl_permutation->loc_ReflectOffset, rsurface.texture->reflectmin);
2749                         if (r_glsl_permutation->loc_SpecularPower >= 0) qglUniform1f(r_glsl_permutation->loc_SpecularPower, rsurface.texture->specularpower * (r_shadow_glossexact.integer ? 0.25f : 1.0f) - 1.0f);
2750                         if (r_glsl_permutation->loc_NormalmapScrollBlend >= 0) qglUniform2f(r_glsl_permutation->loc_NormalmapScrollBlend, rsurface.texture->r_water_waterscroll[0], rsurface.texture->r_water_waterscroll[1]);
2751                 }
2752                 if (r_glsl_permutation->loc_TexMatrix >= 0) {Matrix4x4_ToArrayFloatGL(&rsurface.texture->currenttexmatrix, m16f);qglUniformMatrix4fv(r_glsl_permutation->loc_TexMatrix, 1, false, m16f);}
2753                 if (r_glsl_permutation->loc_BackgroundTexMatrix >= 0) {Matrix4x4_ToArrayFloatGL(&rsurface.texture->currentbackgroundtexmatrix, m16f);qglUniformMatrix4fv(r_glsl_permutation->loc_BackgroundTexMatrix, 1, false, m16f);}
2754                 if (r_glsl_permutation->loc_ShadowMapMatrix >= 0) {Matrix4x4_ToArrayFloatGL(&r_shadow_shadowmapmatrix, m16f);qglUniformMatrix4fv(r_glsl_permutation->loc_ShadowMapMatrix, 1, false, m16f);}
2755                 if (r_glsl_permutation->loc_ShadowMap_TextureScale >= 0) qglUniform2f(r_glsl_permutation->loc_ShadowMap_TextureScale, r_shadow_shadowmap_texturescale[0], r_shadow_shadowmap_texturescale[1]);
2756                 if (r_glsl_permutation->loc_ShadowMap_Parameters >= 0) qglUniform4f(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]);
2757
2758                 if (r_glsl_permutation->loc_Color_Glow >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Glow, rsurface.glowmod[0], rsurface.glowmod[1], rsurface.glowmod[2]);
2759                 if (r_glsl_permutation->loc_Alpha >= 0) qglUniform1f(r_glsl_permutation->loc_Alpha, rsurface.texture->lightmapcolor[3] * ((rsurface.texture->basematerialflags & MATERIALFLAG_WATERSHADER && r_fb.water.enabled && !r_refdef.view.isoverlay) ? rsurface.texture->r_water_wateralpha : 1));
2760                 if (r_glsl_permutation->loc_EyePosition >= 0) qglUniform3f(r_glsl_permutation->loc_EyePosition, rsurface.localvieworigin[0], rsurface.localvieworigin[1], rsurface.localvieworigin[2]);
2761                 if (r_glsl_permutation->loc_Color_Pants >= 0)
2762                 {
2763                         if (rsurface.texture->pantstexture)
2764                                 qglUniform3f(r_glsl_permutation->loc_Color_Pants, rsurface.colormap_pantscolor[0], rsurface.colormap_pantscolor[1], rsurface.colormap_pantscolor[2]);
2765                         else
2766                                 qglUniform3f(r_glsl_permutation->loc_Color_Pants, 0, 0, 0);
2767                 }
2768                 if (r_glsl_permutation->loc_Color_Shirt >= 0)
2769                 {
2770                         if (rsurface.texture->shirttexture)
2771                                 qglUniform3f(r_glsl_permutation->loc_Color_Shirt, rsurface.colormap_shirtcolor[0], rsurface.colormap_shirtcolor[1], rsurface.colormap_shirtcolor[2]);
2772                         else
2773                                 qglUniform3f(r_glsl_permutation->loc_Color_Shirt, 0, 0, 0);
2774                 }
2775                 if (r_glsl_permutation->loc_FogPlane >= 0) qglUniform4f(r_glsl_permutation->loc_FogPlane, rsurface.fogplane[0], rsurface.fogplane[1], rsurface.fogplane[2], rsurface.fogplane[3]);
2776                 if (r_glsl_permutation->loc_FogPlaneViewDist >= 0) qglUniform1f(r_glsl_permutation->loc_FogPlaneViewDist, rsurface.fogplaneviewdist);
2777                 if (r_glsl_permutation->loc_FogRangeRecip >= 0) qglUniform1f(r_glsl_permutation->loc_FogRangeRecip, rsurface.fograngerecip);
2778                 if (r_glsl_permutation->loc_FogHeightFade >= 0) qglUniform1f(r_glsl_permutation->loc_FogHeightFade, rsurface.fogheightfade);
2779                 if (r_glsl_permutation->loc_OffsetMapping_ScaleSteps >= 0) qglUniform4f(r_glsl_permutation->loc_OffsetMapping_ScaleSteps,
2780                                 r_glsl_offsetmapping_scale.value*rsurface.texture->offsetscale,
2781                                 max(1, (permutation & SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING) ? r_glsl_offsetmapping_reliefmapping_steps.integer : r_glsl_offsetmapping_steps.integer),
2782                                 1.0 / max(1, (permutation & SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING) ? r_glsl_offsetmapping_reliefmapping_steps.integer : r_glsl_offsetmapping_steps.integer),
2783                                 max(1, r_glsl_offsetmapping_reliefmapping_refinesteps.integer)
2784                         );
2785                 if (r_glsl_permutation->loc_OffsetMapping_LodDistance >= 0) qglUniform1f(r_glsl_permutation->loc_OffsetMapping_LodDistance, r_glsl_offsetmapping_lod_distance.integer * r_refdef.view.quality);
2786                 if (r_glsl_permutation->loc_OffsetMapping_Bias >= 0) qglUniform1f(r_glsl_permutation->loc_OffsetMapping_Bias, rsurface.texture->offsetbias);
2787                 if (r_glsl_permutation->loc_ScreenToDepth >= 0) qglUniform2f(r_glsl_permutation->loc_ScreenToDepth, r_refdef.view.viewport.screentodepth[0], r_refdef.view.viewport.screentodepth[1]);
2788                 if (r_glsl_permutation->loc_PixelToScreenTexCoord >= 0) qglUniform2f(r_glsl_permutation->loc_PixelToScreenTexCoord, 1.0f/vid.width, 1.0f/vid.height);
2789                 if (r_glsl_permutation->loc_BounceGridMatrix >= 0) {Matrix4x4_Concat(&tempmatrix, &r_shadow_bouncegridmatrix, &rsurface.matrix);Matrix4x4_ToArrayFloatGL(&tempmatrix, m16f);qglUniformMatrix4fv(r_glsl_permutation->loc_BounceGridMatrix, 1, false, m16f);}
2790                 if (r_glsl_permutation->loc_BounceGridIntensity >= 0) qglUniform1f(r_glsl_permutation->loc_BounceGridIntensity, r_shadow_bouncegridintensity*r_refdef.view.colorscale);
2791
2792                 if (r_glsl_permutation->tex_Texture_First           >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_First            , r_texture_white                                     );
2793                 if (r_glsl_permutation->tex_Texture_Second          >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Second           , r_texture_white                                     );
2794                 if (r_glsl_permutation->tex_Texture_GammaRamps      >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_GammaRamps       , r_texture_gammaramps                                );
2795                 if (r_glsl_permutation->tex_Texture_Normal          >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Normal           , rsurface.texture->nmaptexture                       );
2796                 if (r_glsl_permutation->tex_Texture_Color           >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Color            , rsurface.texture->basetexture                       );
2797                 if (r_glsl_permutation->tex_Texture_Gloss           >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Gloss            , rsurface.texture->glosstexture                      );
2798                 if (r_glsl_permutation->tex_Texture_Glow            >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Glow             , rsurface.texture->glowtexture                       );
2799                 if (r_glsl_permutation->tex_Texture_SecondaryNormal >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_SecondaryNormal  , rsurface.texture->backgroundnmaptexture             );
2800                 if (r_glsl_permutation->tex_Texture_SecondaryColor  >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_SecondaryColor   , rsurface.texture->backgroundbasetexture             );
2801                 if (r_glsl_permutation->tex_Texture_SecondaryGloss  >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_SecondaryGloss   , rsurface.texture->backgroundglosstexture            );
2802                 if (r_glsl_permutation->tex_Texture_SecondaryGlow   >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_SecondaryGlow    , rsurface.texture->backgroundglowtexture             );
2803                 if (r_glsl_permutation->tex_Texture_Pants           >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Pants            , rsurface.texture->pantstexture                      );
2804                 if (r_glsl_permutation->tex_Texture_Shirt           >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Shirt            , rsurface.texture->shirttexture                      );
2805                 if (r_glsl_permutation->tex_Texture_ReflectMask     >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_ReflectMask      , rsurface.texture->reflectmasktexture                );
2806                 if (r_glsl_permutation->tex_Texture_ReflectCube     >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_ReflectCube      , rsurface.texture->reflectcubetexture ? rsurface.texture->reflectcubetexture : r_texture_whitecube);
2807                 if (r_glsl_permutation->tex_Texture_FogHeightTexture>= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_FogHeightTexture , r_texture_fogheighttexture                          );
2808                 if (r_glsl_permutation->tex_Texture_FogMask         >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_FogMask          , r_texture_fogattenuation                            );
2809                 if (r_glsl_permutation->tex_Texture_Lightmap        >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Lightmap         , rsurface.lightmaptexture ? rsurface.lightmaptexture : r_texture_white);
2810                 if (r_glsl_permutation->tex_Texture_Deluxemap       >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Deluxemap        , rsurface.deluxemaptexture ? rsurface.deluxemaptexture : r_texture_blanknormalmap);
2811                 if (r_glsl_permutation->tex_Texture_Attenuation     >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Attenuation      , r_shadow_attenuationgradienttexture                 );
2812                 if (rsurfacepass == RSURFPASS_BACKGROUND)
2813                 {
2814                         if (r_glsl_permutation->tex_Texture_Refraction  >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Refraction        , waterplane->texture_refraction ? waterplane->texture_refraction : r_texture_black);
2815                         if (r_glsl_permutation->tex_Texture_First       >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_First             , waterplane->texture_camera ? waterplane->texture_camera : r_texture_black);
2816                         if (r_glsl_permutation->tex_Texture_Reflection  >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Reflection        , waterplane->texture_reflection ? waterplane->texture_reflection : r_texture_black);
2817                 }
2818                 else
2819                 {
2820                         if (r_glsl_permutation->tex_Texture_Reflection >= 0 && waterplane) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Reflection        , waterplane->texture_reflection ? waterplane->texture_reflection : r_texture_black);
2821                 }
2822                 if (r_glsl_permutation->tex_Texture_ScreenNormalMap >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_ScreenNormalMap   , r_shadow_prepassgeometrynormalmaptexture            );
2823                 if (r_glsl_permutation->tex_Texture_ScreenDiffuse   >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_ScreenDiffuse     , r_shadow_prepasslightingdiffusetexture              );
2824                 if (r_glsl_permutation->tex_Texture_ScreenSpecular  >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_ScreenSpecular    , r_shadow_prepasslightingspeculartexture             );
2825                 if (rsurface.rtlight || (r_shadow_usingshadowmaportho && !(rsurface.ent_flags & RENDER_NOSELFSHADOW)))
2826                 {
2827                         if (r_glsl_permutation->tex_Texture_ShadowMap2D     >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_ShadowMap2D, r_shadow_shadowmap2ddepthtexture                           );
2828                         if (rsurface.rtlight)
2829                         {
2830                                 if (r_glsl_permutation->tex_Texture_Cube            >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Cube              , rsurface.rtlight->currentcubemap                    );
2831                                 if (r_glsl_permutation->tex_Texture_CubeProjection  >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_CubeProjection    , r_shadow_shadowmapvsdcttexture                      );
2832                         }
2833                 }
2834                 if (r_glsl_permutation->tex_Texture_BounceGrid  >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_BounceGrid, r_shadow_bouncegridtexture);
2835                 CHECKGLERROR
2836                 break;
2837         case RENDERPATH_GL11:
2838         case RENDERPATH_GL13:
2839         case RENDERPATH_GLES1:
2840                 break;
2841         case RENDERPATH_SOFT:
2842                 RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_VECTOR | (rsurface.modellightmapcolor4f ? BATCHNEED_ARRAY_VERTEXCOLOR : 0) | BATCHNEED_ARRAY_TEXCOORD | (rsurface.uselightmaptexture ? BATCHNEED_ARRAY_LIGHTMAP : 0), texturenumsurfaces, texturesurfacelist);
2843                 R_Mesh_PrepareVertices_Mesh_Arrays(rsurface.batchnumvertices, rsurface.batchvertex3f, rsurface.batchsvector3f, rsurface.batchtvector3f, rsurface.batchnormal3f, rsurface.batchlightmapcolor4f, rsurface.batchtexcoordtexture2f, rsurface.batchtexcoordlightmap2f);
2844                 R_SetupShader_SetPermutationSoft(mode, permutation);
2845                 {Matrix4x4_ToArrayFloatGL(&rsurface.matrix, m16f);DPSOFTRAST_UniformMatrix4fv(DPSOFTRAST_UNIFORM_ModelToReflectCubeM1, 1, false, m16f);}
2846                 if (mode == SHADERMODE_LIGHTSOURCE)
2847                 {
2848                         {Matrix4x4_ToArrayFloatGL(&rsurface.entitytolight, m16f);DPSOFTRAST_UniformMatrix4fv(DPSOFTRAST_UNIFORM_ModelToLightM1, 1, false, m16f);}
2849                         DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_LightPosition, rsurface.entitylightorigin[0], rsurface.entitylightorigin[1], rsurface.entitylightorigin[2]);
2850                         DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_LightColor, lightcolorbase[0], lightcolorbase[1], lightcolorbase[2]);
2851                         DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_Color_Ambient, colormod[0] * ambientscale, colormod[1] * ambientscale, colormod[2] * ambientscale);
2852                         DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_Color_Diffuse, colormod[0] * diffusescale, colormod[1] * diffusescale, colormod[2] * diffusescale);
2853                         DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_Color_Specular, r_refdef.view.colorscale * specularscale, r_refdef.view.colorscale * specularscale, r_refdef.view.colorscale * specularscale);
2854
2855                         // additive passes are only darkened by fog, not tinted
2856                         DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_FogColor, 0, 0, 0);
2857                         DPSOFTRAST_Uniform1f(DPSOFTRAST_UNIFORM_SpecularPower, rsurface.texture->specularpower * (r_shadow_glossexact.integer ? 0.25f : 1.0f) - 1.0f);
2858                 }
2859                 else
2860                 {
2861                         if (mode == SHADERMODE_FLATCOLOR)
2862                         {
2863                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_Color_Ambient, colormod[0], colormod[1], colormod[2]);
2864                         }
2865                         else if (mode == SHADERMODE_LIGHTDIRECTION)
2866                         {
2867                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_Color_Ambient, (r_refdef.scene.ambient + rsurface.modellight_ambient[0] * r_refdef.lightmapintensity * r_refdef.scene.rtlightstylevalue[0]) * colormod[0], (r_refdef.scene.ambient + rsurface.modellight_ambient[1] * r_refdef.lightmapintensity * r_refdef.scene.rtlightstylevalue[0]) * colormod[1], (r_refdef.scene.ambient + rsurface.modellight_ambient[2] * r_refdef.lightmapintensity * r_refdef.scene.rtlightstylevalue[0]) * colormod[2]);
2868                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_Color_Diffuse, r_refdef.lightmapintensity * colormod[0], r_refdef.lightmapintensity * colormod[1], r_refdef.lightmapintensity * colormod[2]);
2869                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_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);
2870                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_DeferredMod_Diffuse, colormod[0], colormod[1], colormod[2]);
2871                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_DeferredMod_Specular, specularscale, specularscale, specularscale);
2872                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_LightColor, rsurface.modellight_diffuse[0] * r_refdef.scene.rtlightstylevalue[0], rsurface.modellight_diffuse[1] * r_refdef.scene.rtlightstylevalue[0], rsurface.modellight_diffuse[2] * r_refdef.scene.rtlightstylevalue[0]);
2873                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_LightDir, rsurface.modellight_lightdir[0], rsurface.modellight_lightdir[1], rsurface.modellight_lightdir[2]);
2874                         }
2875                         else
2876                         {
2877                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_Color_Ambient, r_refdef.scene.ambient * colormod[0], r_refdef.scene.ambient * colormod[1], r_refdef.scene.ambient * colormod[2]);
2878                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_Color_Diffuse, rsurface.texture->lightmapcolor[0], rsurface.texture->lightmapcolor[1], rsurface.texture->lightmapcolor[2]);
2879                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_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);
2880                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_DeferredMod_Diffuse, colormod[0] * diffusescale, colormod[1] * diffusescale, colormod[2] * diffusescale);
2881                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_DeferredMod_Specular, specularscale, specularscale, specularscale);
2882                         }
2883                         // additive passes are only darkened by fog, not tinted
2884                         if(blendfuncflags & BLENDFUNC_ALLOWS_FOG_HACK0)
2885                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_FogColor, 0, 0, 0);
2886                         else
2887                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_FogColor, r_refdef.fogcolor[0], r_refdef.fogcolor[1], r_refdef.fogcolor[2]);
2888                         DPSOFTRAST_Uniform4f(DPSOFTRAST_UNIFORM_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);
2889                         DPSOFTRAST_Uniform4f(DPSOFTRAST_UNIFORM_ScreenScaleRefractReflect, r_fb.water.screenscale[0], r_fb.water.screenscale[1], r_fb.water.screenscale[0], r_fb.water.screenscale[1]);
2890                         DPSOFTRAST_Uniform4f(DPSOFTRAST_UNIFORM_ScreenCenterRefractReflect, r_fb.water.screencenter[0], r_fb.water.screencenter[1], r_fb.water.screencenter[0], r_fb.water.screencenter[1]);
2891                         DPSOFTRAST_Uniform4f(DPSOFTRAST_UNIFORM_RefractColor, rsurface.texture->refractcolor4f[0], rsurface.texture->refractcolor4f[1], rsurface.texture->refractcolor4f[2], rsurface.texture->refractcolor4f[3] * rsurface.texture->lightmapcolor[3]);
2892                         DPSOFTRAST_Uniform4f(DPSOFTRAST_UNIFORM_ReflectColor, rsurface.texture->reflectcolor4f[0], rsurface.texture->reflectcolor4f[1], rsurface.texture->reflectcolor4f[2], rsurface.texture->reflectcolor4f[3] * rsurface.texture->lightmapcolor[3]);
2893                         DPSOFTRAST_Uniform1f(DPSOFTRAST_UNIFORM_ReflectFactor, rsurface.texture->reflectmax - rsurface.texture->reflectmin);
2894                         DPSOFTRAST_Uniform1f(DPSOFTRAST_UNIFORM_ReflectOffset, rsurface.texture->reflectmin);
2895                         DPSOFTRAST_Uniform1f(DPSOFTRAST_UNIFORM_SpecularPower, rsurface.texture->specularpower * (r_shadow_glossexact.integer ? 0.25f : 1.0f) - 1.0f);
2896                         DPSOFTRAST_Uniform2f(DPSOFTRAST_UNIFORM_NormalmapScrollBlend, rsurface.texture->r_water_waterscroll[0], rsurface.texture->r_water_waterscroll[1]);
2897                 }
2898                 {Matrix4x4_ToArrayFloatGL(&rsurface.texture->currenttexmatrix, m16f);DPSOFTRAST_UniformMatrix4fv(DPSOFTRAST_UNIFORM_TexMatrixM1, 1, false, m16f);}
2899                 {Matrix4x4_ToArrayFloatGL(&rsurface.texture->currentbackgroundtexmatrix, m16f);DPSOFTRAST_UniformMatrix4fv(DPSOFTRAST_UNIFORM_BackgroundTexMatrixM1, 1, false, m16f);}
2900                 {Matrix4x4_ToArrayFloatGL(&r_shadow_shadowmapmatrix, m16f);DPSOFTRAST_UniformMatrix4fv(DPSOFTRAST_UNIFORM_ShadowMapMatrixM1, 1, false, m16f);}
2901                 DPSOFTRAST_Uniform2f(DPSOFTRAST_UNIFORM_ShadowMap_TextureScale, r_shadow_shadowmap_texturescale[0], r_shadow_shadowmap_texturescale[1]);
2902                 DPSOFTRAST_Uniform4f(DPSOFTRAST_UNIFORM_ShadowMap_Parameters, r_shadow_shadowmap_parameters[0], r_shadow_shadowmap_parameters[1], r_shadow_shadowmap_parameters[2], r_shadow_shadowmap_parameters[3]);
2903
2904                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_Color_Glow, rsurface.glowmod[0], rsurface.glowmod[1], rsurface.glowmod[2]);
2905                 DPSOFTRAST_Uniform1f(DPSOFTRAST_UNIFORM_Alpha, rsurface.texture->lightmapcolor[3] * ((rsurface.texture->basematerialflags & MATERIALFLAG_WATERSHADER && r_fb.water.enabled && !r_refdef.view.isoverlay) ? rsurface.texture->r_water_wateralpha : 1));
2906                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_EyePosition, rsurface.localvieworigin[0], rsurface.localvieworigin[1], rsurface.localvieworigin[2]);
2907                 if (DPSOFTRAST_UNIFORM_Color_Pants >= 0)
2908                 {
2909                         if (rsurface.texture->pantstexture)
2910                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_Color_Pants, rsurface.colormap_pantscolor[0], rsurface.colormap_pantscolor[1], rsurface.colormap_pantscolor[2]);
2911                         else
2912                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_Color_Pants, 0, 0, 0);
2913                 }
2914                 if (DPSOFTRAST_UNIFORM_Color_Shirt >= 0)
2915                 {
2916                         if (rsurface.texture->shirttexture)
2917                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_Color_Shirt, rsurface.colormap_shirtcolor[0], rsurface.colormap_shirtcolor[1], rsurface.colormap_shirtcolor[2]);
2918                         else
2919                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_Color_Shirt, 0, 0, 0);
2920                 }
2921                 DPSOFTRAST_Uniform4f(DPSOFTRAST_UNIFORM_FogPlane, rsurface.fogplane[0], rsurface.fogplane[1], rsurface.fogplane[2], rsurface.fogplane[3]);
2922                 DPSOFTRAST_Uniform1f(DPSOFTRAST_UNIFORM_FogPlaneViewDist, rsurface.fogplaneviewdist);
2923                 DPSOFTRAST_Uniform1f(DPSOFTRAST_UNIFORM_FogRangeRecip, rsurface.fograngerecip);
2924                 DPSOFTRAST_Uniform1f(DPSOFTRAST_UNIFORM_FogHeightFade, rsurface.fogheightfade);
2925                 DPSOFTRAST_Uniform4f(DPSOFTRAST_UNIFORM_OffsetMapping_ScaleSteps,
2926                                 r_glsl_offsetmapping_scale.value*rsurface.texture->offsetscale,
2927                                 max(1, (permutation & SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING) ? r_glsl_offsetmapping_reliefmapping_steps.integer : r_glsl_offsetmapping_steps.integer),
2928                                 1.0 / max(1, (permutation & SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING) ? r_glsl_offsetmapping_reliefmapping_steps.integer : r_glsl_offsetmapping_steps.integer),
2929                                 max(1, r_glsl_offsetmapping_reliefmapping_refinesteps.integer)
2930                         );
2931                 DPSOFTRAST_Uniform1f(DPSOFTRAST_UNIFORM_OffsetMapping_LodDistance, r_glsl_offsetmapping_lod_distance.integer * r_refdef.view.quality);
2932                 DPSOFTRAST_Uniform1f(DPSOFTRAST_UNIFORM_OffsetMapping_Bias, rsurface.texture->offsetbias);
2933                 DPSOFTRAST_Uniform2f(DPSOFTRAST_UNIFORM_ScreenToDepth, r_refdef.view.viewport.screentodepth[0], r_refdef.view.viewport.screentodepth[1]);
2934                 DPSOFTRAST_Uniform2f(DPSOFTRAST_UNIFORM_PixelToScreenTexCoord, 1.0f/vid.width, 1.0f/vid.height);
2935
2936                 R_Mesh_TexBind(GL20TU_NORMAL            , rsurface.texture->nmaptexture                       );
2937                 R_Mesh_TexBind(GL20TU_COLOR             , rsurface.texture->basetexture                       );
2938                 R_Mesh_TexBind(GL20TU_GLOSS             , rsurface.texture->glosstexture                      );
2939                 R_Mesh_TexBind(GL20TU_GLOW              , rsurface.texture->glowtexture                       );
2940                 if (permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND) R_Mesh_TexBind(GL20TU_SECONDARY_NORMAL  , rsurface.texture->backgroundnmaptexture             );
2941                 if (permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND) R_Mesh_TexBind(GL20TU_SECONDARY_COLOR   , rsurface.texture->backgroundbasetexture             );
2942                 if (permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND) R_Mesh_TexBind(GL20TU_SECONDARY_GLOSS   , rsurface.texture->backgroundglosstexture            );
2943                 if (permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND) R_Mesh_TexBind(GL20TU_SECONDARY_GLOW    , rsurface.texture->backgroundglowtexture             );
2944                 if (permutation & SHADERPERMUTATION_COLORMAPPING) R_Mesh_TexBind(GL20TU_PANTS             , rsurface.texture->pantstexture                      );
2945                 if (permutation & SHADERPERMUTATION_COLORMAPPING) R_Mesh_TexBind(GL20TU_SHIRT             , rsurface.texture->shirttexture                      );
2946                 if (permutation & SHADERPERMUTATION_REFLECTCUBE) R_Mesh_TexBind(GL20TU_REFLECTMASK       , rsurface.texture->reflectmasktexture                );
2947                 if (permutation & SHADERPERMUTATION_REFLECTCUBE) R_Mesh_TexBind(GL20TU_REFLECTCUBE       , rsurface.texture->reflectcubetexture ? rsurface.texture->reflectcubetexture : r_texture_whitecube);
2948                 if (permutation & SHADERPERMUTATION_FOGHEIGHTTEXTURE) R_Mesh_TexBind(GL20TU_FOGHEIGHTTEXTURE  , r_texture_fogheighttexture                          );
2949                 if (permutation & (SHADERPERMUTATION_FOGINSIDE | SHADERPERMUTATION_FOGOUTSIDE)) R_Mesh_TexBind(GL20TU_FOGMASK           , r_texture_fogattenuation                            );
2950                 R_Mesh_TexBind(GL20TU_LIGHTMAP          , rsurface.lightmaptexture ? rsurface.lightmaptexture : r_texture_white);
2951                 R_Mesh_TexBind(GL20TU_DELUXEMAP         , rsurface.deluxemaptexture ? rsurface.deluxemaptexture : r_texture_blanknormalmap);
2952                 if (rsurface.rtlight                                  ) R_Mesh_TexBind(GL20TU_ATTENUATION       , r_shadow_attenuationgradienttexture                 );
2953                 if (rsurfacepass == RSURFPASS_BACKGROUND)
2954                 {
2955                         R_Mesh_TexBind(GL20TU_REFRACTION        , waterplane->texture_refraction ? waterplane->texture_refraction : r_texture_black);
2956                         if(mode == SHADERMODE_GENERIC) R_Mesh_TexBind(GL20TU_FIRST             , waterplane->texture_camera ? waterplane->texture_camera : r_texture_black);
2957                         R_Mesh_TexBind(GL20TU_REFLECTION        , waterplane->texture_reflection ? waterplane->texture_reflection : r_texture_black);
2958                 }
2959                 else
2960                 {
2961                         if (permutation & SHADERPERMUTATION_REFLECTION        ) R_Mesh_TexBind(GL20TU_REFLECTION        , waterplane->texture_reflection ? waterplane->texture_reflection : r_texture_black);
2962                 }
2963 //              if (rsurfacepass == RSURFPASS_DEFERREDLIGHT           ) R_Mesh_TexBind(GL20TU_SCREENNORMALMAP   , r_shadow_prepassgeometrynormalmaptexture            );
2964                 if (permutation & SHADERPERMUTATION_DEFERREDLIGHTMAP  ) R_Mesh_TexBind(GL20TU_SCREENDIFFUSE     , r_shadow_prepasslightingdiffusetexture              );
2965                 if (permutation & SHADERPERMUTATION_DEFERREDLIGHTMAP  ) R_Mesh_TexBind(GL20TU_SCREENSPECULAR    , r_shadow_prepasslightingspeculartexture             );
2966                 if (rsurface.rtlight || (r_shadow_usingshadowmaportho && !(rsurface.ent_flags & RENDER_NOSELFSHADOW)))
2967                 {
2968                         R_Mesh_TexBind(GL20TU_SHADOWMAP2D, r_shadow_shadowmap2ddepthtexture);
2969                         if (rsurface.rtlight)
2970                         {
2971                                 if (permutation & SHADERPERMUTATION_CUBEFILTER        ) R_Mesh_TexBind(GL20TU_CUBE              , rsurface.rtlight->currentcubemap                    );
2972                                 if (permutation & SHADERPERMUTATION_SHADOWMAPVSDCT    ) R_Mesh_TexBind(GL20TU_CUBEPROJECTION    , r_shadow_shadowmapvsdcttexture                      );
2973                         }
2974                 }
2975                 break;
2976         }
2977 }
2978
2979 void R_SetupShader_DeferredLight(const rtlight_t *rtlight)
2980 {
2981         // select a permutation of the lighting shader appropriate to this
2982         // combination of texture, entity, light source, and fogging, only use the
2983         // minimum features necessary to avoid wasting rendering time in the
2984         // fragment shader on features that are not being used
2985         unsigned int permutation = 0;
2986         unsigned int mode = 0;
2987         const float *lightcolorbase = rtlight->currentcolor;
2988         float ambientscale = rtlight->ambientscale;
2989         float diffusescale = rtlight->diffusescale;
2990         float specularscale = rtlight->specularscale;
2991         // this is the location of the light in view space
2992         vec3_t viewlightorigin;
2993         // this transforms from view space (camera) to light space (cubemap)
2994         matrix4x4_t viewtolight;
2995         matrix4x4_t lighttoview;
2996         float viewtolight16f[16];
2997         // light source
2998         mode = SHADERMODE_DEFERREDLIGHTSOURCE;
2999         if (rtlight->currentcubemap != r_texture_whitecube)
3000                 permutation |= SHADERPERMUTATION_CUBEFILTER;
3001         if (diffusescale > 0)
3002                 permutation |= SHADERPERMUTATION_DIFFUSE;
3003         if (specularscale > 0 && r_shadow_gloss.integer > 0)
3004                 permutation |= SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_DIFFUSE;
3005         if (r_shadow_usingshadowmap2d)
3006         {
3007                 permutation |= SHADERPERMUTATION_SHADOWMAP2D;
3008                 if (r_shadow_shadowmapvsdct)
3009                         permutation |= SHADERPERMUTATION_SHADOWMAPVSDCT;
3010
3011                 if (r_shadow_shadowmapsampler)
3012                         permutation |= SHADERPERMUTATION_SHADOWSAMPLER;
3013                 if (r_shadow_shadowmappcf > 1)
3014                         permutation |= SHADERPERMUTATION_SHADOWMAPPCF2;
3015                 else if (r_shadow_shadowmappcf)
3016                         permutation |= SHADERPERMUTATION_SHADOWMAPPCF;
3017                 if (r_shadow_shadowmap2ddepthbuffer)
3018                         permutation |= SHADERPERMUTATION_DEPTHRGB;
3019         }
3020         if (vid.allowalphatocoverage)
3021                 GL_AlphaToCoverage(false);
3022         Matrix4x4_Transform(&r_refdef.view.viewport.viewmatrix, rtlight->shadoworigin, viewlightorigin);
3023         Matrix4x4_Concat(&lighttoview, &r_refdef.view.viewport.viewmatrix, &rtlight->matrix_lighttoworld);
3024         Matrix4x4_Invert_Simple(&viewtolight, &lighttoview);
3025         Matrix4x4_ToArrayFloatGL(&viewtolight, viewtolight16f);
3026         switch(vid.renderpath)
3027         {
3028         case RENDERPATH_D3D9:
3029 #ifdef SUPPORTD3D
3030                 R_SetupShader_SetPermutationHLSL(mode, permutation);
3031                 hlslPSSetParameter3f(D3DPSREGISTER_LightPosition, viewlightorigin[0], viewlightorigin[1], viewlightorigin[2]);
3032                 hlslPSSetParameter16f(D3DPSREGISTER_ViewToLight, viewtolight16f);
3033                 hlslPSSetParameter3f(D3DPSREGISTER_DeferredColor_Ambient , lightcolorbase[0] * ambientscale , lightcolorbase[1] * ambientscale , lightcolorbase[2] * ambientscale );
3034                 hlslPSSetParameter3f(D3DPSREGISTER_DeferredColor_Diffuse , lightcolorbase[0] * diffusescale , lightcolorbase[1] * diffusescale , lightcolorbase[2] * diffusescale );
3035                 hlslPSSetParameter3f(D3DPSREGISTER_DeferredColor_Specular, lightcolorbase[0] * specularscale, lightcolorbase[1] * specularscale, lightcolorbase[2] * specularscale);
3036                 hlslPSSetParameter2f(D3DPSREGISTER_ShadowMap_TextureScale, r_shadow_shadowmap_texturescale[0], r_shadow_shadowmap_texturescale[1]);
3037                 hlslPSSetParameter4f(D3DPSREGISTER_ShadowMap_Parameters, r_shadow_shadowmap_parameters[0], r_shadow_shadowmap_parameters[1], r_shadow_shadowmap_parameters[2], r_shadow_shadowmap_parameters[3]);
3038                 hlslPSSetParameter1f(D3DPSREGISTER_SpecularPower, (r_shadow_gloss.integer == 2 ? r_shadow_gloss2exponent.value : r_shadow_glossexponent.value) * (r_shadow_glossexact.integer ? 0.25f : 1.0f) - 1.0f);
3039                 hlslPSSetParameter2f(D3DPSREGISTER_ScreenToDepth, r_refdef.view.viewport.screentodepth[0], r_refdef.view.viewport.screentodepth[1]);
3040                 hlslPSSetParameter2f(D3DPSREGISTER_PixelToScreenTexCoord, 1.0f/vid.width, 1.0/vid.height);
3041
3042                 R_Mesh_TexBind(GL20TU_ATTENUATION        , r_shadow_attenuationgradienttexture                 );
3043                 R_Mesh_TexBind(GL20TU_SCREENNORMALMAP    , r_shadow_prepassgeometrynormalmaptexture            );
3044                 R_Mesh_TexBind(GL20TU_CUBE               , rsurface.rtlight->currentcubemap                    );
3045                 R_Mesh_TexBind(GL20TU_SHADOWMAP2D        , r_shadow_shadowmap2ddepthtexture                    );
3046                 R_Mesh_TexBind(GL20TU_CUBEPROJECTION     , r_shadow_shadowmapvsdcttexture                      );
3047 #endif
3048                 break;
3049         case RENDERPATH_D3D10:
3050                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
3051                 break;
3052         case RENDERPATH_D3D11:
3053                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
3054                 break;
3055         case RENDERPATH_GL20:
3056         case RENDERPATH_GLES2:
3057                 R_SetupShader_SetPermutationGLSL(mode, permutation);
3058                 if (r_glsl_permutation->loc_LightPosition             >= 0) qglUniform3f(       r_glsl_permutation->loc_LightPosition            , viewlightorigin[0], viewlightorigin[1], viewlightorigin[2]);
3059                 if (r_glsl_permutation->loc_ViewToLight               >= 0) qglUniformMatrix4fv(r_glsl_permutation->loc_ViewToLight              , 1, false, viewtolight16f);
3060                 if (r_glsl_permutation->loc_DeferredColor_Ambient     >= 0) qglUniform3f(       r_glsl_permutation->loc_DeferredColor_Ambient    , lightcolorbase[0] * ambientscale , lightcolorbase[1] * ambientscale , lightcolorbase[2] * ambientscale );
3061                 if (r_glsl_permutation->loc_DeferredColor_Diffuse     >= 0) qglUniform3f(       r_glsl_permutation->loc_DeferredColor_Diffuse    , lightcolorbase[0] * diffusescale , lightcolorbase[1] * diffusescale , lightcolorbase[2] * diffusescale );
3062                 if (r_glsl_permutation->loc_DeferredColor_Specular    >= 0) qglUniform3f(       r_glsl_permutation->loc_DeferredColor_Specular   , lightcolorbase[0] * specularscale, lightcolorbase[1] * specularscale, lightcolorbase[2] * specularscale);
3063                 if (r_glsl_permutation->loc_ShadowMap_TextureScale    >= 0) qglUniform2f(       r_glsl_permutation->loc_ShadowMap_TextureScale   , r_shadow_shadowmap_texturescale[0], r_shadow_shadowmap_texturescale[1]);
3064                 if (r_glsl_permutation->loc_ShadowMap_Parameters      >= 0) qglUniform4f(       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]);
3065                 if (r_glsl_permutation->loc_SpecularPower             >= 0) qglUniform1f(       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) - 1.0f);
3066                 if (r_glsl_permutation->loc_ScreenToDepth             >= 0) qglUniform2f(       r_glsl_permutation->loc_ScreenToDepth            , r_refdef.view.viewport.screentodepth[0], r_refdef.view.viewport.screentodepth[1]);
3067                 if (r_glsl_permutation->loc_PixelToScreenTexCoord     >= 0) qglUniform2f(       r_glsl_permutation->loc_PixelToScreenTexCoord    , 1.0f/vid.width, 1.0f/vid.height);
3068
3069                 if (r_glsl_permutation->tex_Texture_Attenuation       >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Attenuation        , r_shadow_attenuationgradienttexture                 );
3070                 if (r_glsl_permutation->tex_Texture_ScreenNormalMap   >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_ScreenNormalMap    , r_shadow_prepassgeometrynormalmaptexture            );
3071                 if (r_glsl_permutation->tex_Texture_Cube              >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Cube               , rsurface.rtlight->currentcubemap                    );
3072                 if (r_glsl_permutation->tex_Texture_ShadowMap2D       >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_ShadowMap2D        , r_shadow_shadowmap2ddepthtexture                    );
3073                 if (r_glsl_permutation->tex_Texture_CubeProjection    >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_CubeProjection     , r_shadow_shadowmapvsdcttexture                      );
3074                 break;
3075         case RENDERPATH_GL11:
3076         case RENDERPATH_GL13:
3077         case RENDERPATH_GLES1:
3078                 break;
3079         case RENDERPATH_SOFT:
3080                 R_SetupShader_SetPermutationGLSL(mode, permutation);
3081                 DPSOFTRAST_Uniform3f(       DPSOFTRAST_UNIFORM_LightPosition            , viewlightorigin[0], viewlightorigin[1], viewlightorigin[2]);
3082                 DPSOFTRAST_UniformMatrix4fv(DPSOFTRAST_UNIFORM_ViewToLightM1            , 1, false, viewtolight16f);
3083                 DPSOFTRAST_Uniform3f(       DPSOFTRAST_UNIFORM_DeferredColor_Ambient    , lightcolorbase[0] * ambientscale , lightcolorbase[1] * ambientscale , lightcolorbase[2] * ambientscale );
3084                 DPSOFTRAST_Uniform3f(       DPSOFTRAST_UNIFORM_DeferredColor_Diffuse    , lightcolorbase[0] * diffusescale , lightcolorbase[1] * diffusescale , lightcolorbase[2] * diffusescale );
3085                 DPSOFTRAST_Uniform3f(       DPSOFTRAST_UNIFORM_DeferredColor_Specular   , lightcolorbase[0] * specularscale, lightcolorbase[1] * specularscale, lightcolorbase[2] * specularscale);
3086                 DPSOFTRAST_Uniform2f(       DPSOFTRAST_UNIFORM_ShadowMap_TextureScale   , r_shadow_shadowmap_texturescale[0], r_shadow_shadowmap_texturescale[1]);
3087                 DPSOFTRAST_Uniform4f(       DPSOFTRAST_UNIFORM_ShadowMap_Parameters     , r_shadow_shadowmap_parameters[0], r_shadow_shadowmap_parameters[1], r_shadow_shadowmap_parameters[2], r_shadow_shadowmap_parameters[3]);
3088                 DPSOFTRAST_Uniform1f(       DPSOFTRAST_UNIFORM_SpecularPower            , (r_shadow_gloss.integer == 2 ? r_shadow_gloss2exponent.value : r_shadow_glossexponent.value) * (r_shadow_glossexact.integer ? 0.25f : 1.0f) - 1.0f);
3089                 DPSOFTRAST_Uniform2f(       DPSOFTRAST_UNIFORM_ScreenToDepth            , r_refdef.view.viewport.screentodepth[0], r_refdef.view.viewport.screentodepth[1]);
3090                 DPSOFTRAST_Uniform2f(DPSOFTRAST_UNIFORM_PixelToScreenTexCoord, 1.0f/vid.width, 1.0f/vid.height);
3091
3092                 R_Mesh_TexBind(GL20TU_ATTENUATION        , r_shadow_attenuationgradienttexture                 );
3093                 R_Mesh_TexBind(GL20TU_SCREENNORMALMAP    , r_shadow_prepassgeometrynormalmaptexture            );
3094                 R_Mesh_TexBind(GL20TU_CUBE               , rsurface.rtlight->currentcubemap                    );
3095                 R_Mesh_TexBind(GL20TU_SHADOWMAP2D        , r_shadow_shadowmap2ddepthtexture                    );
3096                 R_Mesh_TexBind(GL20TU_CUBEPROJECTION     , r_shadow_shadowmapvsdcttexture                      );
3097                 break;
3098         }
3099 }
3100
3101 #define SKINFRAME_HASH 1024
3102
3103 typedef struct
3104 {
3105         int loadsequence; // incremented each level change
3106         memexpandablearray_t array;
3107         skinframe_t *hash[SKINFRAME_HASH];
3108 }
3109 r_skinframe_t;
3110 r_skinframe_t r_skinframe;
3111
3112 void R_SkinFrame_PrepareForPurge(void)
3113 {
3114         r_skinframe.loadsequence++;
3115         // wrap it without hitting zero
3116         if (r_skinframe.loadsequence >= 200)
3117                 r_skinframe.loadsequence = 1;
3118 }
3119
3120 void R_SkinFrame_MarkUsed(skinframe_t *skinframe)
3121 {
3122         if (!skinframe)
3123                 return;
3124         // mark the skinframe as used for the purging code
3125         skinframe->loadsequence = r_skinframe.loadsequence;
3126 }
3127
3128 void R_SkinFrame_Purge(void)
3129 {
3130         int i;
3131         skinframe_t *s;
3132         for (i = 0;i < SKINFRAME_HASH;i++)
3133         {
3134                 for (s = r_skinframe.hash[i];s;s = s->next)
3135                 {
3136                         if (s->loadsequence && s->loadsequence != r_skinframe.loadsequence)
3137                         {
3138                                 if (s->merged == s->base)
3139                                         s->merged = NULL;
3140                                 // FIXME: maybe pass a pointer to the pointer to R_PurgeTexture and reset it to NULL inside? [11/29/2007 Black]
3141                                 R_PurgeTexture(s->stain );s->stain  = NULL;
3142                                 R_PurgeTexture(s->merged);s->merged = NULL;
3143                                 R_PurgeTexture(s->base  );s->base   = NULL;
3144                                 R_PurgeTexture(s->pants );s->pants  = NULL;
3145                                 R_PurgeTexture(s->shirt );s->shirt  = NULL;
3146                                 R_PurgeTexture(s->nmap  );s->nmap   = NULL;
3147                                 R_PurgeTexture(s->gloss );s->gloss  = NULL;
3148                                 R_PurgeTexture(s->glow  );s->glow   = NULL;
3149                                 R_PurgeTexture(s->fog   );s->fog    = NULL;
3150                                 R_PurgeTexture(s->reflect);s->reflect = NULL;
3151                                 s->loadsequence = 0;
3152                         }
3153                 }
3154         }
3155 }
3156
3157 skinframe_t *R_SkinFrame_FindNextByName( skinframe_t *last, const char *name ) {
3158         skinframe_t *item;
3159         char basename[MAX_QPATH];
3160
3161         Image_StripImageExtension(name, basename, sizeof(basename));
3162
3163         if( last == NULL ) {
3164                 int hashindex;
3165                 hashindex = CRC_Block((unsigned char *)basename, strlen(basename)) & (SKINFRAME_HASH - 1);
3166                 item = r_skinframe.hash[hashindex];
3167         } else {
3168                 item = last->next;
3169         }
3170
3171         // linearly search through the hash bucket
3172         for( ; item ; item = item->next ) {
3173                 if( !strcmp( item->basename, basename ) ) {
3174                         return item;
3175                 }
3176         }
3177         return NULL;
3178 }
3179
3180 skinframe_t *R_SkinFrame_Find(const char *name, int textureflags, int comparewidth, int compareheight, int comparecrc, qboolean add)
3181 {
3182         skinframe_t *item;
3183         int hashindex;
3184         char basename[MAX_QPATH];
3185
3186         Image_StripImageExtension(name, basename, sizeof(basename));
3187
3188         hashindex = CRC_Block((unsigned char *)basename, strlen(basename)) & (SKINFRAME_HASH - 1);
3189         for (item = r_skinframe.hash[hashindex];item;item = item->next)
3190                 if (!strcmp(item->basename, basename) && (comparecrc < 0 || (item->textureflags == textureflags && item->comparewidth == comparewidth && item->compareheight == compareheight && item->comparecrc == comparecrc)))
3191                         break;
3192
3193         if (!item) {
3194                 rtexture_t *dyntexture;
3195                 // check whether its a dynamic texture
3196                 dyntexture = CL_GetDynTexture( basename );
3197                 if (!add && !dyntexture)
3198                         return NULL;
3199                 item = (skinframe_t *)Mem_ExpandableArray_AllocRecord(&r_skinframe.array);
3200                 memset(item, 0, sizeof(*item));
3201                 strlcpy(item->basename, basename, sizeof(item->basename));
3202                 item->base = dyntexture; // either NULL or dyntexture handle
3203                 item->textureflags = textureflags & ~TEXF_FORCE_RELOAD;
3204                 item->comparewidth = comparewidth;
3205                 item->compareheight = compareheight;
3206                 item->comparecrc = comparecrc;
3207                 item->next = r_skinframe.hash[hashindex];
3208                 r_skinframe.hash[hashindex] = item;
3209         }
3210         else if (textureflags & TEXF_FORCE_RELOAD)
3211         {
3212                 rtexture_t *dyntexture;
3213                 // check whether its a dynamic texture
3214                 dyntexture = CL_GetDynTexture( basename );
3215                 if (!add && !dyntexture)
3216                         return NULL;
3217                 if (item->merged == item->base)
3218                         item->merged = NULL;
3219                 // FIXME: maybe pass a pointer to the pointer to R_PurgeTexture and reset it to NULL inside? [11/29/2007 Black]
3220                 R_PurgeTexture(item->stain );item->stain  = NULL;
3221                 R_PurgeTexture(item->merged);item->merged = NULL;
3222                 R_PurgeTexture(item->base  );item->base   = NULL;
3223                 R_PurgeTexture(item->pants );item->pants  = NULL;
3224                 R_PurgeTexture(item->shirt );item->shirt  = NULL;
3225                 R_PurgeTexture(item->nmap  );item->nmap   = NULL;
3226                 R_PurgeTexture(item->gloss );item->gloss  = NULL;
3227                 R_PurgeTexture(item->glow  );item->glow   = NULL;
3228                 R_PurgeTexture(item->fog   );item->fog    = NULL;
3229         R_PurgeTexture(item->reflect);item->reflect = NULL;
3230                 item->loadsequence = 0;
3231         }
3232         else if( item->base == NULL )
3233         {
3234                 rtexture_t *dyntexture;
3235                 // check whether its a dynamic texture
3236                 // 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]
3237                 dyntexture = CL_GetDynTexture( basename );
3238                 item->base = dyntexture; // either NULL or dyntexture handle
3239         }
3240
3241         R_SkinFrame_MarkUsed(item);
3242         return item;
3243 }
3244
3245 #define R_SKINFRAME_LOAD_AVERAGE_COLORS(cnt, getpixel) \
3246         { \
3247                 unsigned long long avgcolor[5], wsum; \
3248                 int pix, comp, w; \
3249                 avgcolor[0] = 0; \
3250                 avgcolor[1] = 0; \
3251                 avgcolor[2] = 0; \
3252                 avgcolor[3] = 0; \
3253                 avgcolor[4] = 0; \
3254                 wsum = 0; \
3255                 for(pix = 0; pix < cnt; ++pix) \
3256                 { \
3257                         w = 0; \
3258                         for(comp = 0; comp < 3; ++comp) \
3259                                 w += getpixel; \
3260                         if(w) /* ignore perfectly black pixels because that is better for model skins */ \
3261                         { \
3262                                 ++wsum; \
3263                                 /* comp = 3; -- not needed, comp is always 3 when we get here */ \
3264                                 w = getpixel; \
3265                                 for(comp = 0; comp < 3; ++comp) \
3266                                         avgcolor[comp] += getpixel * w; \
3267                                 avgcolor[3] += w; \
3268                         } \
3269                         /* comp = 3; -- not needed, comp is always 3 when we get here */ \
3270                         avgcolor[4] += getpixel; \
3271                 } \
3272                 if(avgcolor[3] == 0) /* no pixels seen? even worse */ \
3273                         avgcolor[3] = 1; \
3274                 skinframe->avgcolor[0] = avgcolor[2] / (255.0 * avgcolor[3]); \
3275                 skinframe->avgcolor[1] = avgcolor[1] / (255.0 * avgcolor[3]); \
3276                 skinframe->avgcolor[2] = avgcolor[0] / (255.0 * avgcolor[3]); \
3277                 skinframe->avgcolor[3] = avgcolor[4] / (255.0 * cnt); \
3278         }
3279
3280 extern cvar_t gl_picmip;
3281 skinframe_t *R_SkinFrame_LoadExternal(const char *name, int textureflags, qboolean complain)
3282 {
3283         int j;
3284         unsigned char *pixels;
3285         unsigned char *bumppixels;
3286         unsigned char *basepixels = NULL;
3287         int basepixels_width = 0;
3288         int basepixels_height = 0;
3289         skinframe_t *skinframe;
3290         rtexture_t *ddsbase = NULL;
3291         qboolean ddshasalpha = false;
3292         float ddsavgcolor[4];
3293         char basename[MAX_QPATH];
3294         int miplevel = R_PicmipForFlags(textureflags);
3295         int savemiplevel = miplevel;
3296         int mymiplevel;
3297         char vabuf[1024];
3298
3299         if (cls.state == ca_dedicated)
3300                 return NULL;
3301
3302         // return an existing skinframe if already loaded
3303         // if loading of the first image fails, don't make a new skinframe as it
3304         // would cause all future lookups of this to be missing
3305         skinframe = R_SkinFrame_Find(name, textureflags, 0, 0, 0, false);
3306         if (skinframe && skinframe->base)
3307                 return skinframe;
3308
3309         Image_StripImageExtension(name, basename, sizeof(basename));
3310
3311         // check for DDS texture file first
3312         if (!r_loaddds || !(ddsbase = R_LoadTextureDDSFile(r_main_texturepool, va(vabuf, sizeof(vabuf), "dds/%s.dds", basename), vid.sRGB3D, textureflags, &ddshasalpha, ddsavgcolor, miplevel)))
3313         {
3314                 basepixels = loadimagepixelsbgra(name, complain, true, false, &miplevel);
3315                 if (basepixels == NULL)
3316                         return NULL;
3317         }
3318
3319         // FIXME handle miplevel
3320
3321         if (developer_loading.integer)
3322                 Con_Printf("loading skin \"%s\"\n", name);
3323
3324         // we've got some pixels to store, so really allocate this new texture now
3325         if (!skinframe)
3326                 skinframe = R_SkinFrame_Find(name, textureflags, 0, 0, 0, true);
3327         textureflags &= ~TEXF_FORCE_RELOAD;
3328         skinframe->stain = NULL;
3329         skinframe->merged = NULL;
3330         skinframe->base = NULL;
3331         skinframe->pants = NULL;
3332         skinframe->shirt = NULL;
3333         skinframe->nmap = NULL;
3334         skinframe->gloss = NULL;
3335         skinframe->glow = NULL;
3336         skinframe->fog = NULL;
3337         skinframe->reflect = NULL;
3338         skinframe->hasalpha = false;
3339
3340         if (ddsbase)
3341         {
3342                 skinframe->base = ddsbase;
3343                 skinframe->hasalpha = ddshasalpha;
3344                 VectorCopy(ddsavgcolor, skinframe->avgcolor);
3345                 if (r_loadfog && skinframe->hasalpha)
3346                         skinframe->fog = R_LoadTextureDDSFile(r_main_texturepool, va(vabuf, sizeof(vabuf), "dds/%s_mask.dds", skinframe->basename), false, textureflags | TEXF_ALPHA, NULL, NULL, miplevel);
3347                 //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]);
3348         }
3349         else
3350         {
3351                 basepixels_width = image_width;
3352                 basepixels_height = image_height;
3353                 skinframe->base = R_LoadTexture2D (r_main_texturepool, skinframe->basename, basepixels_width, basepixels_height, basepixels, vid.sRGB3D ? TEXTYPE_SRGB_BGRA : TEXTYPE_BGRA, textureflags & (gl_texturecompression_color.integer && gl_texturecompression.integer ? ~0 : ~TEXF_COMPRESS), miplevel, NULL);
3354                 if (textureflags & TEXF_ALPHA)
3355                 {
3356                         for (j = 3;j < basepixels_width * basepixels_height * 4;j += 4)
3357                         {
3358                                 if (basepixels[j] < 255)
3359                                 {
3360                                         skinframe->hasalpha = true;
3361                                         break;
3362                                 }
3363                         }
3364                         if (r_loadfog && skinframe->hasalpha)
3365                         {
3366                                 // has transparent pixels
3367                                 pixels = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
3368                                 for (j = 0;j < image_width * image_height * 4;j += 4)
3369                                 {
3370                                         pixels[j+0] = 255;
3371                                         pixels[j+1] = 255;
3372                                         pixels[j+2] = 255;
3373                                         pixels[j+3] = basepixels[j+3];
3374                                 }
3375                                 skinframe->fog = R_LoadTexture2D (r_main_texturepool, va(vabuf, sizeof(vabuf), "%s_mask", skinframe->basename), image_width, image_height, pixels, TEXTYPE_BGRA, textureflags & (gl_texturecompression_color.integer && gl_texturecompression.integer ? ~0 : ~TEXF_COMPRESS), miplevel, NULL);
3376                                 Mem_Free(pixels);
3377                         }
3378                 }
3379                 R_SKINFRAME_LOAD_AVERAGE_COLORS(basepixels_width * basepixels_height, basepixels[4 * pix + comp]);
3380 #ifndef USE_GLES2
3381                 //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]);
3382                 if (r_savedds && qglGetCompressedTexImageARB && skinframe->base)
3383                         R_SaveTextureDDSFile(skinframe->base, va(vabuf, sizeof(vabuf), "dds/%s.dds", skinframe->basename), r_texture_dds_save.integer < 2, skinframe->hasalpha);
3384                 if (r_savedds && qglGetCompressedTexImageARB && skinframe->fog)
3385                         R_SaveTextureDDSFile(skinframe->fog, va(vabuf, sizeof(vabuf), "dds/%s_mask.dds", skinframe->basename), r_texture_dds_save.integer < 2, true);
3386 #endif
3387         }
3388
3389         if (r_loaddds)
3390         {
3391                 mymiplevel = savemiplevel;
3392                 if (r_loadnormalmap)
3393                         skinframe->nmap = R_LoadTextureDDSFile(r_main_texturepool, va(vabuf, sizeof(vabuf), "dds/%s_norm.dds", skinframe->basename), false, (TEXF_ALPHA | textureflags) & (r_mipnormalmaps.integer ? ~0 : ~TEXF_MIPMAP), NULL, NULL, mymiplevel);
3394                 skinframe->glow = R_LoadTextureDDSFile(r_main_texturepool, va(vabuf, sizeof(vabuf), "dds/%s_glow.dds", skinframe->basename), vid.sRGB3D, textureflags, NULL, NULL, mymiplevel);
3395                 if (r_loadgloss)
3396                         skinframe->gloss = R_LoadTextureDDSFile(r_main_texturepool, va(vabuf, sizeof(vabuf), "dds/%s_gloss.dds", skinframe->basename), vid.sRGB3D, textureflags, NULL, NULL, mymiplevel);
3397                 skinframe->pants = R_LoadTextureDDSFile(r_main_texturepool, va(vabuf, sizeof(vabuf), "dds/%s_pants.dds", skinframe->basename), vid.sRGB3D, textureflags, NULL, NULL, mymiplevel);
3398                 skinframe->shirt = R_LoadTextureDDSFile(r_main_texturepool, va(vabuf, sizeof(vabuf), "dds/%s_shirt.dds", skinframe->basename), vid.sRGB3D, textureflags, NULL, NULL, mymiplevel);
3399                 skinframe->reflect = R_LoadTextureDDSFile(r_main_texturepool, va(vabuf, sizeof(vabuf), "dds/%s_reflect.dds", skinframe->basename), vid.sRGB3D, textureflags, NULL, NULL, mymiplevel);
3400         }
3401
3402         // _norm is the name used by tenebrae and has been adopted as standard
3403         if (r_loadnormalmap && skinframe->nmap == NULL)
3404         {
3405                 mymiplevel = savemiplevel;
3406                 if ((pixels = loadimagepixelsbgra(va(vabuf, sizeof(vabuf), "%s_norm", skinframe->basename), false, false, false, &mymiplevel)) != NULL)
3407                 {
3408                         skinframe->nmap = R_LoadTexture2D (r_main_texturepool, va(vabuf, sizeof(vabuf), "%s_nmap", skinframe->basename), image_width, image_height, pixels, TEXTYPE_BGRA, (TEXF_ALPHA | textureflags) & (r_mipnormalmaps.integer ? ~0 : ~TEXF_MIPMAP) & (gl_texturecompression_normal.integer && gl_texturecompression.integer ? ~0 : ~TEXF_COMPRESS), mymiplevel, NULL);
3409                         Mem_Free(pixels);
3410                         pixels = NULL;
3411                 }
3412                 else if (r_shadow_bumpscale_bumpmap.value > 0 && (bumppixels = loadimagepixelsbgra(va(vabuf, sizeof(vabuf), "%s_bump", skinframe->basename), false, false, false, &mymiplevel)) != NULL)
3413                 {
3414                         pixels = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
3415                         Image_HeightmapToNormalmap_BGRA(bumppixels, pixels, image_width, image_height, false, r_shadow_bumpscale_bumpmap.value);
3416                         skinframe->nmap = R_LoadTexture2D (r_main_texturepool, va(vabuf, sizeof(vabuf), "%s_nmap", skinframe->basename), image_width, image_height, pixels, TEXTYPE_BGRA, (TEXF_ALPHA | textureflags) & (r_mipnormalmaps.integer ? ~0 : ~TEXF_MIPMAP) & (gl_texturecompression_normal.integer && gl_texturecompression.integer ? ~0 : ~TEXF_COMPRESS), mymiplevel, NULL);
3417                         Mem_Free(pixels);
3418                         Mem_Free(bumppixels);
3419                 }
3420                 else if (r_shadow_bumpscale_basetexture.value > 0)
3421                 {
3422                         pixels = (unsigned char *)Mem_Alloc(tempmempool, basepixels_width * basepixels_height * 4);
3423                         Image_HeightmapToNormalmap_BGRA(basepixels, pixels, basepixels_width, basepixels_height, false, r_shadow_bumpscale_basetexture.value);
3424                         skinframe->nmap = R_LoadTexture2D (r_main_texturepool, va(vabuf, sizeof(vabuf), "%s_nmap", skinframe->basename), basepixels_width, basepixels_height, pixels, TEXTYPE_BGRA, (TEXF_ALPHA | textureflags) & (r_mipnormalmaps.integer ? ~0 : ~TEXF_MIPMAP) & (gl_texturecompression_normal.integer && gl_texturecompression.integer ? ~0 : ~TEXF_COMPRESS), mymiplevel, NULL);
3425                         Mem_Free(pixels);
3426                 }
3427 #ifndef USE_GLES2
3428                 if (r_savedds && qglGetCompressedTexImageARB && skinframe->nmap)
3429                         R_SaveTextureDDSFile(skinframe->nmap, va(vabuf, sizeof(vabuf), "dds/%s_norm.dds", skinframe->basename), r_texture_dds_save.integer < 2, true);
3430 #endif
3431         }
3432
3433         // _luma is supported only for tenebrae compatibility
3434         // _glow is the preferred name
3435         mymiplevel = savemiplevel;
3436         if (skinframe->glow == NULL && ((pixels = loadimagepixelsbgra(va(vabuf, sizeof(vabuf), "%s_glow",  skinframe->basename), false, false, false, &mymiplevel)) || (pixels = loadimagepixelsbgra(va(vabuf, sizeof(vabuf), "%s_luma", skinframe->basename), false, false, false, &mymiplevel))))
3437         {
3438                 skinframe->glow = R_LoadTexture2D (r_main_texturepool, va(vabuf, sizeof(vabuf), "%s_glow", skinframe->basename), image_width, image_height, pixels, vid.sRGB3D ? TEXTYPE_SRGB_BGRA : TEXTYPE_BGRA, textureflags & (gl_texturecompression_glow.integer && gl_texturecompression.integer ? ~0 : ~TEXF_COMPRESS), mymiplevel, NULL);
3439 #ifndef USE_GLES2
3440                 if (r_savedds && qglGetCompressedTexImageARB && skinframe->glow)
3441                         R_SaveTextureDDSFile(skinframe->glow, va(vabuf, sizeof(vabuf), "dds/%s_glow.dds", skinframe->basename), r_texture_dds_save.integer < 2, true);
3442 #endif
3443                 Mem_Free(pixels);pixels = NULL;
3444         }
3445
3446         mymiplevel = savemiplevel;
3447         if (skinframe->gloss == NULL && r_loadgloss && (pixels = loadimagepixelsbgra(va(vabuf, sizeof(vabuf), "%s_gloss", skinframe->basename), false, false, false, &mymiplevel)))
3448         {
3449                 skinframe->gloss = R_LoadTexture2D (r_main_texturepool, va(vabuf, sizeof(vabuf), "%s_gloss", skinframe->basename), image_width, image_height, pixels, vid.sRGB3D ? TEXTYPE_SRGB_BGRA : TEXTYPE_BGRA, (TEXF_ALPHA | textureflags) & (gl_texturecompression_gloss.integer && gl_texturecompression.integer ? ~0 : ~TEXF_COMPRESS), mymiplevel, NULL);
3450 #ifndef USE_GLES2
3451                 if (r_savedds && qglGetCompressedTexImageARB && skinframe->gloss)
3452                         R_SaveTextureDDSFile(skinframe->gloss, va(vabuf, sizeof(vabuf), "dds/%s_gloss.dds", skinframe->basename), r_texture_dds_save.integer < 2, true);
3453 #endif
3454                 Mem_Free(pixels);
3455                 pixels = NULL;
3456         }
3457
3458         mymiplevel = savemiplevel;
3459         if (skinframe->pants == NULL && (pixels = loadimagepixelsbgra(va(vabuf, sizeof(vabuf), "%s_pants", skinframe->basename), false, false, false, &mymiplevel)))
3460         {
3461                 skinframe->pants = R_LoadTexture2D (r_main_texturepool, va(vabuf, sizeof(vabuf), "%s_pants", skinframe->basename), image_width, image_height, pixels, vid.sRGB3D ? TEXTYPE_SRGB_BGRA : TEXTYPE_BGRA, textureflags & (gl_texturecompression_color.integer && gl_texturecompression.integer ? ~0 : ~TEXF_COMPRESS), mymiplevel, NULL);
3462 #ifndef USE_GLES2
3463                 if (r_savedds && qglGetCompressedTexImageARB && skinframe->pants)
3464                         R_SaveTextureDDSFile(skinframe->pants, va(vabuf, sizeof(vabuf), "dds/%s_pants.dds", skinframe->basename), r_texture_dds_save.integer < 2, false);
3465 #endif
3466                 Mem_Free(pixels);
3467                 pixels = NULL;
3468         }
3469
3470         mymiplevel = savemiplevel;
3471         if (skinframe->shirt == NULL && (pixels = loadimagepixelsbgra(va(vabuf, sizeof(vabuf), "%s_shirt", skinframe->basename), false, false, false, &mymiplevel)))
3472         {
3473                 skinframe->shirt = R_LoadTexture2D (r_main_texturepool, va(vabuf, sizeof(vabuf), "%s_shirt", skinframe->basename), image_width, image_height, pixels, vid.sRGB3D ? TEXTYPE_SRGB_BGRA : TEXTYPE_BGRA, textureflags & (gl_texturecompression_color.integer && gl_texturecompression.integer ? ~0 : ~TEXF_COMPRESS), mymiplevel, NULL);
3474 #ifndef USE_GLES2
3475                 if (r_savedds && qglGetCompressedTexImageARB && skinframe->shirt)
3476                         R_SaveTextureDDSFile(skinframe->shirt, va(vabuf, sizeof(vabuf), "dds/%s_shirt.dds", skinframe->basename), r_texture_dds_save.integer < 2, false);
3477 #endif
3478                 Mem_Free(pixels);
3479                 pixels = NULL;
3480         }
3481
3482         mymiplevel = savemiplevel;
3483         if (skinframe->reflect == NULL && (pixels = loadimagepixelsbgra(va(vabuf, sizeof(vabuf), "%s_reflect", skinframe->basename), false, false, false, &mymiplevel)))
3484         {
3485                 skinframe->reflect = R_LoadTexture2D (r_main_texturepool, va(vabuf, sizeof(vabuf), "%s_reflect", skinframe->basename), image_width, image_height, pixels, vid.sRGB3D ? TEXTYPE_SRGB_BGRA : TEXTYPE_BGRA, textureflags & (gl_texturecompression_reflectmask.integer && gl_texturecompression.integer ? ~0 : ~TEXF_COMPRESS), mymiplevel, NULL);
3486 #ifndef USE_GLES2
3487                 if (r_savedds && qglGetCompressedTexImageARB && skinframe->reflect)
3488                         R_SaveTextureDDSFile(skinframe->reflect, va(vabuf, sizeof(vabuf), "dds/%s_reflect.dds", skinframe->basename), r_texture_dds_save.integer < 2, true);
3489 #endif
3490                 Mem_Free(pixels);
3491                 pixels = NULL;
3492         }
3493
3494         if (basepixels)
3495                 Mem_Free(basepixels);
3496
3497         return skinframe;
3498 }
3499
3500 // this is only used by .spr32 sprites, HL .spr files, HL .bsp files
3501 skinframe_t *R_SkinFrame_LoadInternalBGRA(const char *name, int textureflags, const unsigned char *skindata, int width, int height, qboolean sRGB)
3502 {
3503         int i;
3504         unsigned char *temp1, *temp2;
3505         skinframe_t *skinframe;
3506         char vabuf[1024];
3507
3508         if (cls.state == ca_dedicated)
3509                 return NULL;
3510
3511         // if already loaded just return it, otherwise make a new skinframe
3512         skinframe = R_SkinFrame_Find(name, textureflags, width, height, (textureflags & TEXF_FORCE_RELOAD) ? -1 : skindata ? CRC_Block(skindata, width*height*4) : 0, true);
3513         if (skinframe && skinframe->base)
3514                 return skinframe;
3515         textureflags &= ~TEXF_FORCE_RELOAD;
3516
3517         skinframe->stain = NULL;
3518         skinframe->merged = NULL;
3519         skinframe->base = NULL;
3520         skinframe->pants = NULL;
3521         skinframe->shirt = NULL;
3522         skinframe->nmap = NULL;
3523         skinframe->gloss = NULL;
3524         skinframe->glow = NULL;
3525         skinframe->fog = NULL;
3526         skinframe->reflect = NULL;
3527         skinframe->hasalpha = false;
3528
3529         // if no data was provided, then clearly the caller wanted to get a blank skinframe
3530         if (!skindata)
3531                 return NULL;
3532
3533         if (developer_loading.integer)
3534                 Con_Printf("loading 32bit skin \"%s\"\n", name);
3535
3536         if (r_loadnormalmap && r_shadow_bumpscale_basetexture.value > 0)
3537         {
3538                 temp1 = (unsigned char *)Mem_Alloc(tempmempool, width * height * 8);
3539                 temp2 = temp1 + width * height * 4;
3540                 Image_HeightmapToNormalmap_BGRA(skindata, temp2, width, height, false, r_shadow_bumpscale_basetexture.value);
3541                 skinframe->nmap = R_LoadTexture2D(r_main_texturepool, va(vabuf, sizeof(vabuf), "%s_nmap", skinframe->basename), width, height, temp2, TEXTYPE_BGRA, (textureflags | TEXF_ALPHA) & (r_mipnormalmaps.integer ? ~0 : ~TEXF_MIPMAP), -1, NULL);
3542                 Mem_Free(temp1);
3543         }
3544         skinframe->base = skinframe->merged = R_LoadTexture2D(r_main_texturepool, skinframe->basename, width, height, skindata, sRGB ? TEXTYPE_SRGB_BGRA : TEXTYPE_BGRA, textureflags, -1, NULL);
3545         if (textureflags & TEXF_ALPHA)
3546         {
3547                 for (i = 3;i < width * height * 4;i += 4)
3548                 {
3549                         if (skindata[i] < 255)
3550                         {
3551                                 skinframe->hasalpha = true;
3552                                 break;
3553                         }
3554                 }
3555                 if (r_loadfog && skinframe->hasalpha)
3556                 {
3557                         unsigned char *fogpixels = (unsigned char *)Mem_Alloc(tempmempool, width * height * 4);
3558                         memcpy(fogpixels, skindata, width * height * 4);
3559                         for (i = 0;i < width * height * 4;i += 4)
3560                                 fogpixels[i] = fogpixels[i+1] = fogpixels[i+2] = 255;
3561                         skinframe->fog = R_LoadTexture2D(r_main_texturepool, va(vabuf, sizeof(vabuf), "%s_fog", skinframe->basename), width, height, fogpixels, TEXTYPE_BGRA, textureflags, -1, NULL);
3562                         Mem_Free(fogpixels);
3563                 }
3564         }
3565
3566         R_SKINFRAME_LOAD_AVERAGE_COLORS(width * height, skindata[4 * pix + comp]);
3567         //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]);
3568
3569         return skinframe;
3570 }
3571
3572 skinframe_t *R_SkinFrame_LoadInternalQuake(const char *name, int textureflags, int loadpantsandshirt, int loadglowtexture, const unsigned char *skindata, int width, int height)
3573 {
3574         int i;
3575         int featuresmask;
3576         skinframe_t *skinframe;
3577
3578         if (cls.state == ca_dedicated)
3579                 return NULL;
3580
3581         // if already loaded just return it, otherwise make a new skinframe
3582         skinframe = R_SkinFrame_Find(name, textureflags, width, height, skindata ? CRC_Block(skindata, width*height) : 0, true);
3583         if (skinframe && skinframe->base)
3584                 return skinframe;
3585         textureflags &= ~TEXF_FORCE_RELOAD;
3586
3587         skinframe->stain = NULL;
3588         skinframe->merged = NULL;
3589         skinframe->base = NULL;
3590         skinframe->pants = NULL;
3591         skinframe->shirt = NULL;
3592         skinframe->nmap = NULL;
3593         skinframe->gloss = NULL;
3594         skinframe->glow = NULL;
3595         skinframe->fog = NULL;
3596         skinframe->reflect = NULL;
3597         skinframe->hasalpha = false;
3598
3599         // if no data was provided, then clearly the caller wanted to get a blank skinframe
3600         if (!skindata)
3601                 return NULL;
3602
3603         if (developer_loading.integer)
3604                 Con_Printf("loading quake skin \"%s\"\n", name);
3605
3606         // 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)
3607         skinframe->qpixels = (unsigned char *)Mem_Alloc(r_main_mempool, width*height); // FIXME LEAK
3608         memcpy(skinframe->qpixels, skindata, width*height);
3609         skinframe->qwidth = width;
3610         skinframe->qheight = height;
3611
3612         featuresmask = 0;
3613         for (i = 0;i < width * height;i++)
3614                 featuresmask |= palette_featureflags[skindata[i]];
3615
3616         skinframe->hasalpha = false;
3617         skinframe->qhascolormapping = loadpantsandshirt && (featuresmask & (PALETTEFEATURE_PANTS | PALETTEFEATURE_SHIRT));
3618         skinframe->qgeneratenmap = r_shadow_bumpscale_basetexture.value > 0;
3619         skinframe->qgeneratemerged = true;
3620         skinframe->qgeneratebase = skinframe->qhascolormapping;
3621         skinframe->qgenerateglow = loadglowtexture && (featuresmask & PALETTEFEATURE_GLOW);
3622
3623         R_SKINFRAME_LOAD_AVERAGE_COLORS(width * height, ((unsigned char *)palette_bgra_complete)[skindata[pix]*4 + comp]);
3624         //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]);
3625
3626         return skinframe;
3627 }
3628
3629 static void R_SkinFrame_GenerateTexturesFromQPixels(skinframe_t *skinframe, qboolean colormapped)
3630 {
3631         int width;
3632         int height;
3633         unsigned char *skindata;
3634         char vabuf[1024];
3635
3636         if (!skinframe->qpixels)
3637                 return;
3638
3639         if (!skinframe->qhascolormapping)
3640                 colormapped = false;
3641
3642         if (colormapped)
3643         {
3644                 if (!skinframe->qgeneratebase)
3645                         return;
3646         }
3647         else
3648         {
3649                 if (!skinframe->qgeneratemerged)
3650                         return;
3651         }
3652
3653         width = skinframe->qwidth;
3654         height = skinframe->qheight;
3655         skindata = skinframe->qpixels;
3656
3657         if (skinframe->qgeneratenmap)
3658         {
3659                 unsigned char *temp1, *temp2;
3660                 skinframe->qgeneratenmap = false;
3661                 temp1 = (unsigned char *)Mem_Alloc(tempmempool, width * height * 8);
3662                 temp2 = temp1 + width * height * 4;
3663                 // use either a custom palette or the quake palette
3664                 Image_Copy8bitBGRA(skindata, temp1, width * height, palette_bgra_complete);
3665                 Image_HeightmapToNormalmap_BGRA(temp1, temp2, width, height, false, r_shadow_bumpscale_basetexture.value);
3666                 skinframe->nmap = R_LoadTexture2D(r_main_texturepool, va(vabuf, sizeof(vabuf), "%s_nmap", skinframe->basename), width, height, temp2, TEXTYPE_BGRA, (skinframe->textureflags | TEXF_ALPHA) & (r_mipnormalmaps.integer ? ~0 : ~TEXF_MIPMAP), -1, NULL);
3667                 Mem_Free(temp1);
3668         }
3669
3670         if (skinframe->qgenerateglow)
3671         {
3672                 skinframe->qgenerateglow = false;
3673                 skinframe->glow = R_LoadTexture2D(r_main_texturepool, va(vabuf, sizeof(vabuf), "%s_glow", skinframe->basename), width, height, skindata, vid.sRGB3D ? TEXTYPE_SRGB_PALETTE : TEXTYPE_PALETTE, skinframe->textureflags, -1, palette_bgra_onlyfullbrights); // glow
3674         }
3675
3676         if (colormapped)
3677         {
3678                 skinframe->qgeneratebase = false;
3679                 skinframe->base  = R_LoadTexture2D(r_main_texturepool, va(vabuf, sizeof(vabuf), "%s_nospecial", skinframe->basename), width, height, skindata, vid.sRGB3D ? TEXTYPE_SRGB_PALETTE : TEXTYPE_PALETTE, skinframe->textureflags, -1, skinframe->glow ? palette_bgra_nocolormapnofullbrights : palette_bgra_nocolormap);
3680                 skinframe->pants = R_LoadTexture2D(r_main_texturepool, va(vabuf, sizeof(vabuf), "%s_pants", skinframe->basename), width, height, skindata, vid.sRGB3D ? TEXTYPE_SRGB_PALETTE : TEXTYPE_PALETTE, skinframe->textureflags, -1, palette_bgra_pantsaswhite);
3681                 skinframe->shirt = R_LoadTexture2D(r_main_texturepool, va(vabuf, sizeof(vabuf), "%s_shirt", skinframe->basename), width, height, skindata, vid.sRGB3D ? TEXTYPE_SRGB_PALETTE : TEXTYPE_PALETTE, skinframe->textureflags, -1, palette_bgra_shirtaswhite);
3682         }
3683         else
3684         {
3685                 skinframe->qgeneratemerged = false;
3686                 skinframe->merged = R_LoadTexture2D(r_main_texturepool, skinframe->basename, width, height, skindata, vid.sRGB3D ? TEXTYPE_SRGB_PALETTE : TEXTYPE_PALETTE, skinframe->textureflags, -1, skinframe->glow ? palette_bgra_nofullbrights : palette_bgra_complete);
3687         }
3688
3689         if (!skinframe->qgeneratemerged && !skinframe->qgeneratebase)
3690         {
3691                 Mem_Free(skinframe->qpixels);
3692                 skinframe->qpixels = NULL;
3693         }
3694 }
3695
3696 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)
3697 {
3698         int i;
3699         skinframe_t *skinframe;
3700         char vabuf[1024];
3701
3702         if (cls.state == ca_dedicated)
3703                 return NULL;
3704
3705         // if already loaded just return it, otherwise make a new skinframe
3706         skinframe = R_SkinFrame_Find(name, textureflags, width, height, skindata ? CRC_Block(skindata, width*height) : 0, true);
3707         if (skinframe && skinframe->base)
3708                 return skinframe;
3709         textureflags &= ~TEXF_FORCE_RELOAD;
3710
3711         skinframe->stain = NULL;
3712         skinframe->merged = NULL;
3713         skinframe->base = NULL;
3714         skinframe->pants = NULL;
3715         skinframe->shirt = NULL;
3716         skinframe->nmap = NULL;
3717         skinframe->gloss = NULL;
3718         skinframe->glow = NULL;
3719         skinframe->fog = NULL;
3720         skinframe->reflect = NULL;
3721         skinframe->hasalpha = false;
3722
3723         // if no data was provided, then clearly the caller wanted to get a blank skinframe
3724         if (!skindata)
3725                 return NULL;
3726
3727         if (developer_loading.integer)
3728                 Con_Printf("loading embedded 8bit image \"%s\"\n", name);
3729
3730         skinframe->base = skinframe->merged = R_LoadTexture2D(r_main_texturepool, skinframe->basename, width, height, skindata, TEXTYPE_PALETTE, textureflags, -1, palette);
3731         if (textureflags & TEXF_ALPHA)
3732         {
3733                 for (i = 0;i < width * height;i++)
3734                 {
3735                         if (((unsigned char *)palette)[skindata[i]*4+3] < 255)
3736                         {
3737                                 skinframe->hasalpha = true;
3738                                 break;
3739                         }
3740                 }
3741                 if (r_loadfog && skinframe->hasalpha)
3742                         skinframe->fog = R_LoadTexture2D(r_main_texturepool, va(vabuf, sizeof(vabuf), "%s_fog", skinframe->basename), width, height, skindata, TEXTYPE_PALETTE, textureflags, -1, alphapalette);
3743         }
3744
3745         R_SKINFRAME_LOAD_AVERAGE_COLORS(width * height, ((unsigned char *)palette)[skindata[pix]*4 + comp]);
3746         //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]);
3747
3748         return skinframe;
3749 }
3750
3751 skinframe_t *R_SkinFrame_LoadMissing(void)
3752 {
3753         skinframe_t *skinframe;
3754
3755         if (cls.state == ca_dedicated)
3756                 return NULL;
3757
3758         skinframe = R_SkinFrame_Find("missing", TEXF_FORCENEAREST, 0, 0, 0, true);
3759         skinframe->stain = NULL;
3760         skinframe->merged = NULL;
3761         skinframe->base = NULL;
3762         skinframe->pants = NULL;
3763         skinframe->shirt = NULL;
3764         skinframe->nmap = NULL;
3765         skinframe->gloss = NULL;
3766         skinframe->glow = NULL;
3767         skinframe->fog = NULL;
3768         skinframe->reflect = NULL;
3769         skinframe->hasalpha = false;
3770
3771         skinframe->avgcolor[0] = rand() / RAND_MAX;
3772         skinframe->avgcolor[1] = rand() / RAND_MAX;
3773         skinframe->avgcolor[2] = rand() / RAND_MAX;
3774         skinframe->avgcolor[3] = 1;
3775
3776         return skinframe;
3777 }
3778
3779 //static char *suffix[6] = {"ft", "bk", "rt", "lf", "up", "dn"};
3780 typedef struct suffixinfo_s
3781 {
3782         const char *suffix;
3783         qboolean flipx, flipy, flipdiagonal;
3784 }
3785 suffixinfo_t;
3786 static suffixinfo_t suffix[3][6] =
3787 {
3788         {
3789                 {"px",   false, false, false},
3790                 {"nx",   false, false, false},
3791                 {"py",   false, false, false},
3792                 {"ny",   false, false, false},
3793                 {"pz",   false, false, false},
3794                 {"nz",   false, false, false}
3795         },
3796         {
3797                 {"posx", false, false, false},
3798                 {"negx", false, false, false},
3799                 {"posy", false, false, false},
3800                 {"negy", false, false, false},
3801                 {"posz", false, false, false},
3802                 {"negz", false, false, false}
3803         },
3804         {
3805                 {"rt",    true, false,  true},
3806                 {"lf",   false,  true,  true},
3807                 {"ft",    true,  true, false},
3808                 {"bk",   false, false, false},
3809                 {"up",    true, false,  true},
3810                 {"dn",    true, false,  true}
3811         }
3812 };
3813
3814 static int componentorder[4] = {0, 1, 2, 3};
3815
3816 static rtexture_t *R_LoadCubemap(const char *basename)
3817 {
3818         int i, j, cubemapsize;
3819         unsigned char *cubemappixels, *image_buffer;
3820         rtexture_t *cubemaptexture;
3821         char name[256];
3822         // must start 0 so the first loadimagepixels has no requested width/height
3823         cubemapsize = 0;
3824         cubemappixels = NULL;
3825         cubemaptexture = NULL;
3826         // keep trying different suffix groups (posx, px, rt) until one loads
3827         for (j = 0;j < 3 && !cubemappixels;j++)
3828         {
3829                 // load the 6 images in the suffix group
3830                 for (i = 0;i < 6;i++)
3831                 {
3832                         // generate an image name based on the base and and suffix
3833                         dpsnprintf(name, sizeof(name), "%s%s", basename, suffix[j][i].suffix);
3834                         // load it
3835                         if ((image_buffer = loadimagepixelsbgra(name, false, false, false, NULL)))
3836                         {
3837                                 // an image loaded, make sure width and height are equal
3838                                 if (image_width == image_height && (!cubemappixels || image_width == cubemapsize))
3839                                 {
3840                                         // if this is the first image to load successfully, allocate the cubemap memory
3841                                         if (!cubemappixels && image_width >= 1)
3842                                         {
3843                                                 cubemapsize = image_width;
3844                                                 // note this clears to black, so unavailable sides are black
3845                                                 cubemappixels = (unsigned char *)Mem_Alloc(tempmempool, 6*cubemapsize*cubemapsize*4);
3846                                         }
3847                                         // copy the image with any flipping needed by the suffix (px and posx types don't need flipping)
3848                                         if (cubemappixels)
3849                                                 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);
3850                                 }
3851                                 else
3852                                         Con_Printf("Cubemap image \"%s\" (%ix%i) is not square, OpenGL requires square cubemaps.\n", name, image_width, image_height);
3853                                 // free the image
3854                                 Mem_Free(image_buffer);
3855                         }
3856                 }
3857         }
3858         // if a cubemap loaded, upload it
3859         if (cubemappixels)
3860         {
3861                 if (developer_loading.integer)
3862                         Con_Printf("loading cubemap \"%s\"\n", basename);
3863
3864                 cubemaptexture = R_LoadTextureCubeMap(r_main_texturepool, basename, cubemapsize, cubemappixels, vid.sRGB3D ? TEXTYPE_SRGB_BGRA : TEXTYPE_BGRA, (gl_texturecompression_lightcubemaps.integer && gl_texturecompression.integer ? TEXF_COMPRESS : 0) | TEXF_FORCELINEAR | TEXF_CLAMP, -1, NULL);
3865                 Mem_Free(cubemappixels);
3866         }
3867         else
3868         {
3869                 Con_DPrintf("failed to load cubemap \"%s\"\n", basename);
3870                 if (developer_loading.integer)
3871                 {
3872                         Con_Printf("(tried tried images ");
3873                         for (j = 0;j < 3;j++)
3874                                 for (i = 0;i < 6;i++)
3875                                         Con_Printf("%s\"%s%s.tga\"", j + i > 0 ? ", " : "", basename, suffix[j][i].suffix);
3876                         Con_Print(" and was unable to find any of them).\n");
3877                 }
3878         }
3879         return cubemaptexture;
3880 }
3881
3882 rtexture_t *R_GetCubemap(const char *basename)
3883 {
3884         int i;
3885         for (i = 0;i < r_texture_numcubemaps;i++)
3886                 if (r_texture_cubemaps[i] != NULL)
3887                         if (!strcasecmp(r_texture_cubemaps[i]->basename, basename))
3888                                 return r_texture_cubemaps[i]->texture ? r_texture_cubemaps[i]->texture : r_texture_whitecube;
3889         if (i >= MAX_CUBEMAPS || !r_main_mempool)
3890                 return r_texture_whitecube;
3891         r_texture_numcubemaps++;
3892         r_texture_cubemaps[i] = (cubemapinfo_t *)Mem_Alloc(r_main_mempool, sizeof(cubemapinfo_t));
3893         strlcpy(r_texture_cubemaps[i]->basename, basename, sizeof(r_texture_cubemaps[i]->basename));
3894         r_texture_cubemaps[i]->texture = R_LoadCubemap(r_texture_cubemaps[i]->basename);
3895         return r_texture_cubemaps[i]->texture;
3896 }
3897
3898 static void R_Main_FreeViewCache(void)
3899 {
3900         if (r_refdef.viewcache.entityvisible)
3901                 Mem_Free(r_refdef.viewcache.entityvisible);
3902         if (r_refdef.viewcache.world_pvsbits)
3903                 Mem_Free(r_refdef.viewcache.world_pvsbits);
3904         if (r_refdef.viewcache.world_leafvisible)
3905                 Mem_Free(r_refdef.viewcache.world_leafvisible);
3906         if (r_refdef.viewcache.world_surfacevisible)
3907                 Mem_Free(r_refdef.viewcache.world_surfacevisible);
3908         memset(&r_refdef.viewcache, 0, sizeof(r_refdef.viewcache));
3909 }
3910
3911 static void R_Main_ResizeViewCache(void)
3912 {
3913         int numentities = r_refdef.scene.numentities;
3914         int numclusters = r_refdef.scene.worldmodel ? r_refdef.scene.worldmodel->brush.num_pvsclusters : 1;
3915         int numclusterbytes = r_refdef.scene.worldmodel ? r_refdef.scene.worldmodel->brush.num_pvsclusterbytes : 1;
3916         int numleafs = r_refdef.scene.worldmodel ? r_refdef.scene.worldmodel->brush.num_leafs : 1;
3917         int numsurfaces = r_refdef.scene.worldmodel ? r_refdef.scene.worldmodel->num_surfaces : 1;
3918         if (r_refdef.viewcache.maxentities < numentities)
3919         {
3920                 r_refdef.viewcache.maxentities = numentities;
3921                 if (r_refdef.viewcache.entityvisible)
3922                         Mem_Free(r_refdef.viewcache.entityvisible);
3923                 r_refdef.viewcache.entityvisible = (unsigned char *)Mem_Alloc(r_main_mempool, r_refdef.viewcache.maxentities);
3924         }
3925         if (r_refdef.viewcache.world_numclusters != numclusters)
3926         {
3927                 r_refdef.viewcache.world_numclusters = numclusters;
3928                 r_refdef.viewcache.world_numclusterbytes = numclusterbytes;
3929                 if (r_refdef.viewcache.world_pvsbits)
3930                         Mem_Free(r_refdef.viewcache.world_pvsbits);
3931                 r_refdef.viewcache.world_pvsbits = (unsigned char *)Mem_Alloc(r_main_mempool, r_refdef.viewcache.world_numclusterbytes);
3932         }
3933         if (r_refdef.viewcache.world_numleafs != numleafs)
3934         {
3935                 r_refdef.viewcache.world_numleafs = numleafs;
3936                 if (r_refdef.viewcache.world_leafvisible)
3937                         Mem_Free(r_refdef.viewcache.world_leafvisible);
3938                 r_refdef.viewcache.world_leafvisible = (unsigned char *)Mem_Alloc(r_main_mempool, r_refdef.viewcache.world_numleafs);
3939         }
3940         if (r_refdef.viewcache.world_numsurfaces != numsurfaces)
3941         {
3942                 r_refdef.viewcache.world_numsurfaces = numsurfaces;
3943                 if (r_refdef.viewcache.world_surfacevisible)
3944                         Mem_Free(r_refdef.viewcache.world_surfacevisible);
3945                 r_refdef.viewcache.world_surfacevisible = (unsigned char *)Mem_Alloc(r_main_mempool, r_refdef.viewcache.world_numsurfaces);
3946         }
3947 }
3948
3949 extern rtexture_t *loadingscreentexture;
3950 static void gl_main_start(void)
3951 {
3952         loadingscreentexture = NULL;
3953         r_texture_blanknormalmap = NULL;
3954         r_texture_white = NULL;
3955         r_texture_grey128 = NULL;
3956         r_texture_black = NULL;
3957         r_texture_whitecube = NULL;
3958         r_texture_normalizationcube = NULL;
3959         r_texture_fogattenuation = NULL;
3960         r_texture_fogheighttexture = NULL;
3961         r_texture_gammaramps = NULL;
3962         r_texture_numcubemaps = 0;
3963
3964         r_loaddds = r_texture_dds_load.integer != 0;
3965         r_savedds = vid.support.arb_texture_compression && vid.support.ext_texture_compression_s3tc && r_texture_dds_save.integer;
3966
3967         switch(vid.renderpath)
3968         {
3969         case RENDERPATH_GL20:
3970         case RENDERPATH_D3D9:
3971         case RENDERPATH_D3D10:
3972         case RENDERPATH_D3D11:
3973         case RENDERPATH_SOFT:
3974         case RENDERPATH_GLES2:
3975                 Cvar_SetValueQuick(&r_textureunits, vid.texunits);
3976                 Cvar_SetValueQuick(&gl_combine, 1);
3977                 Cvar_SetValueQuick(&r_glsl, 1);
3978                 r_loadnormalmap = true;
3979                 r_loadgloss = true;
3980                 r_loadfog = false;
3981                 break;
3982         case RENDERPATH_GL13:
3983         case RENDERPATH_GLES1:
3984                 Cvar_SetValueQuick(&r_textureunits, vid.texunits);
3985                 Cvar_SetValueQuick(&gl_combine, 1);
3986                 Cvar_SetValueQuick(&r_glsl, 0);
3987                 r_loadnormalmap = false;
3988                 r_loadgloss = false;
3989                 r_loadfog = true;
3990                 break;
3991         case RENDERPATH_GL11:
3992                 Cvar_SetValueQuick(&r_textureunits, vid.texunits);
3993                 Cvar_SetValueQuick(&gl_combine, 0);
3994                 Cvar_SetValueQuick(&r_glsl, 0);
3995                 r_loadnormalmap = false;
3996                 r_loadgloss = false;
3997                 r_loadfog = true;
3998                 break;
3999         }
4000
4001         R_AnimCache_Free();
4002         R_FrameData_Reset();
4003
4004         r_numqueries = 0;
4005         r_maxqueries = 0;
4006         memset(r_queries, 0, sizeof(r_queries));
4007
4008         r_qwskincache = NULL;
4009         r_qwskincache_size = 0;
4010
4011         // due to caching of texture_t references, the collision cache must be reset
4012         Collision_Cache_Reset(true);
4013
4014         // set up r_skinframe loading system for textures
4015         memset(&r_skinframe, 0, sizeof(r_skinframe));
4016         r_skinframe.loadsequence = 1;
4017         Mem_ExpandableArray_NewArray(&r_skinframe.array, r_main_mempool, sizeof(skinframe_t), 256);
4018
4019         r_main_texturepool = R_AllocTexturePool();
4020         R_BuildBlankTextures();
4021         R_BuildNoTexture();
4022         if (vid.support.arb_texture_cube_map)
4023         {
4024                 R_BuildWhiteCube();
4025                 R_BuildNormalizationCube();
4026         }
4027         r_texture_fogattenuation = NULL;
4028         r_texture_fogheighttexture = NULL;
4029         r_texture_gammaramps = NULL;
4030         //r_texture_fogintensity = NULL;
4031         memset(&r_fb, 0, sizeof(r_fb));
4032         r_glsl_permutation = NULL;
4033         memset(r_glsl_permutationhash, 0, sizeof(r_glsl_permutationhash));
4034         Mem_ExpandableArray_NewArray(&r_glsl_permutationarray, r_main_mempool, sizeof(r_glsl_permutation_t), 256);
4035         glslshaderstring = NULL;
4036 #ifdef SUPPORTD3D
4037         r_hlsl_permutation = NULL;
4038         memset(r_hlsl_permutationhash, 0, sizeof(r_hlsl_permutationhash));
4039         Mem_ExpandableArray_NewArray(&r_hlsl_permutationarray, r_main_mempool, sizeof(r_hlsl_permutation_t), 256);
4040 #endif
4041         hlslshaderstring = NULL;
4042         memset(&r_svbsp, 0, sizeof (r_svbsp));
4043
4044         memset(r_texture_cubemaps, 0, sizeof(r_texture_cubemaps));
4045         r_texture_numcubemaps = 0;
4046
4047         r_refdef.fogmasktable_density = 0;
4048 }
4049
4050 static void gl_main_shutdown(void)
4051 {
4052         R_AnimCache_Free();
4053         R_FrameData_Reset();
4054
4055         R_Main_FreeViewCache();
4056
4057         switch(vid.renderpath)
4058         {
4059         case RENDERPATH_GL11:
4060         case RENDERPATH_GL13:
4061         case RENDERPATH_GL20:
4062         case RENDERPATH_GLES1:
4063         case RENDERPATH_GLES2:
4064 #ifdef GL_SAMPLES_PASSED_ARB
4065                 if (r_maxqueries)
4066                         qglDeleteQueriesARB(r_maxqueries, r_queries);
4067 #endif
4068                 break;
4069         case RENDERPATH_D3D9:
4070                 //Con_DPrintf("FIXME D3D9 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
4071                 break;
4072         case RENDERPATH_D3D10:
4073                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
4074                 break;
4075         case RENDERPATH_D3D11:
4076                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
4077                 break;
4078         case RENDERPATH_SOFT:
4079                 break;
4080         }
4081
4082         r_numqueries = 0;
4083         r_maxqueries = 0;
4084         memset(r_queries, 0, sizeof(r_queries));
4085
4086         r_qwskincache = NULL;
4087         r_qwskincache_size = 0;
4088
4089         // clear out the r_skinframe state
4090         Mem_ExpandableArray_FreeArray(&r_skinframe.array);
4091         memset(&r_skinframe, 0, sizeof(r_skinframe));
4092
4093         if (r_svbsp.nodes)
4094                 Mem_Free(r_svbsp.nodes);
4095         memset(&r_svbsp, 0, sizeof (r_svbsp));
4096         R_FreeTexturePool(&r_main_texturepool);
4097         loadingscreentexture = NULL;
4098         r_texture_blanknormalmap = NULL;
4099         r_texture_white = NULL;
4100         r_texture_grey128 = NULL;
4101         r_texture_black = NULL;
4102         r_texture_whitecube = NULL;
4103         r_texture_normalizationcube = NULL;
4104         r_texture_fogattenuation = NULL;
4105         r_texture_fogheighttexture = NULL;
4106         r_texture_gammaramps = NULL;
4107         r_texture_numcubemaps = 0;
4108         //r_texture_fogintensity = NULL;
4109         memset(&r_fb, 0, sizeof(r_fb));
4110         R_GLSL_Restart_f();
4111
4112         r_glsl_permutation = NULL;
4113         memset(r_glsl_permutationhash, 0, sizeof(r_glsl_permutationhash));
4114         Mem_ExpandableArray_FreeArray(&r_glsl_permutationarray);
4115         glslshaderstring = NULL;
4116 #ifdef SUPPORTD3D
4117         r_hlsl_permutation = NULL;
4118         memset(r_hlsl_permutationhash, 0, sizeof(r_hlsl_permutationhash));
4119         Mem_ExpandableArray_FreeArray(&r_hlsl_permutationarray);
4120 #endif
4121         hlslshaderstring = NULL;
4122 }
4123
4124 static void gl_main_newmap(void)
4125 {
4126         // FIXME: move this code to client
4127         char *entities, entname[MAX_QPATH];
4128         if (r_qwskincache)
4129                 Mem_Free(r_qwskincache);
4130         r_qwskincache = NULL;
4131         r_qwskincache_size = 0;
4132         if (cl.worldmodel)
4133         {
4134                 dpsnprintf(entname, sizeof(entname), "%s.ent", cl.worldnamenoextension);
4135                 if ((entities = (char *)FS_LoadFile(entname, tempmempool, true, NULL)))
4136                 {
4137                         CL_ParseEntityLump(entities);
4138                         Mem_Free(entities);
4139                         return;
4140                 }
4141                 if (cl.worldmodel->brush.entities)
4142                         CL_ParseEntityLump(cl.worldmodel->brush.entities);
4143         }
4144         R_Main_FreeViewCache();
4145
4146         R_FrameData_Reset();
4147 }
4148
4149 void GL_Main_Init(void)
4150 {
4151         r_main_mempool = Mem_AllocPool("Renderer", 0, NULL);
4152
4153         Cmd_AddCommand("r_glsl_restart", R_GLSL_Restart_f, "unloads GLSL shaders, they will then be reloaded as needed");
4154         Cmd_AddCommand("r_glsl_dumpshader", R_GLSL_DumpShader_f, "dumps the engine internal default.glsl shader into glsl/default.glsl");
4155         // FIXME: the client should set up r_refdef.fog stuff including the fogmasktable
4156         if (gamemode == GAME_NEHAHRA)
4157         {
4158                 Cvar_RegisterVariable (&gl_fogenable);
4159                 Cvar_RegisterVariable (&gl_fogdensity);
4160                 Cvar_RegisterVariable (&gl_fogred);
4161                 Cvar_RegisterVariable (&gl_foggreen);
4162                 Cvar_RegisterVariable (&gl_fogblue);
4163                 Cvar_RegisterVariable (&gl_fogstart);
4164                 Cvar_RegisterVariable (&gl_fogend);
4165                 Cvar_RegisterVariable (&gl_skyclip);
4166         }
4167         Cvar_RegisterVariable(&r_motionblur);
4168         Cvar_RegisterVariable(&r_damageblur);
4169         Cvar_RegisterVariable(&r_motionblur_averaging);
4170         Cvar_RegisterVariable(&r_motionblur_randomize);
4171         Cvar_RegisterVariable(&r_motionblur_minblur);
4172         Cvar_RegisterVariable(&r_motionblur_maxblur);
4173         Cvar_RegisterVariable(&r_motionblur_velocityfactor);
4174         Cvar_RegisterVariable(&r_motionblur_velocityfactor_minspeed);
4175         Cvar_RegisterVariable(&r_motionblur_velocityfactor_maxspeed);
4176         Cvar_RegisterVariable(&r_motionblur_mousefactor);
4177         Cvar_RegisterVariable(&r_motionblur_mousefactor_minspeed);
4178         Cvar_RegisterVariable(&r_motionblur_mousefactor_maxspeed);
4179         Cvar_RegisterVariable(&r_equalize_entities_fullbright);
4180         Cvar_RegisterVariable(&r_equalize_entities_minambient);
4181         Cvar_RegisterVariable(&r_equalize_entities_by);
4182         Cvar_RegisterVariable(&r_equalize_entities_to);
4183         Cvar_RegisterVariable(&r_depthfirst);
4184         Cvar_RegisterVariable(&r_useinfinitefarclip);
4185         Cvar_RegisterVariable(&r_farclip_base);
4186         Cvar_RegisterVariable(&r_farclip_world);
4187         Cvar_RegisterVariable(&r_nearclip);
4188         Cvar_RegisterVariable(&r_deformvertexes);
4189         Cvar_RegisterVariable(&r_transparent);
4190         Cvar_RegisterVariable(&r_transparent_alphatocoverage);
4191         Cvar_RegisterVariable(&r_transparent_sortsurfacesbynearest);
4192         Cvar_RegisterVariable(&r_transparent_useplanardistance);
4193         Cvar_RegisterVariable(&r_showoverdraw);
4194         Cvar_RegisterVariable(&r_showbboxes);
4195         Cvar_RegisterVariable(&r_showsurfaces);
4196         Cvar_RegisterVariable(&r_showtris);
4197         Cvar_RegisterVariable(&r_shownormals);
4198         Cvar_RegisterVariable(&r_showlighting);
4199         Cvar_RegisterVariable(&r_showshadowvolumes);
4200         Cvar_RegisterVariable(&r_showcollisionbrushes);
4201         Cvar_RegisterVariable(&r_showcollisionbrushes_polygonfactor);
4202         Cvar_RegisterVariable(&r_showcollisionbrushes_polygonoffset);
4203         Cvar_RegisterVariable(&r_showdisabledepthtest);
4204         Cvar_RegisterVariable(&r_drawportals);
4205         Cvar_RegisterVariable(&r_drawentities);
4206         Cvar_RegisterVariable(&r_draw2d);
4207         Cvar_RegisterVariable(&r_drawworld);
4208         Cvar_RegisterVariable(&r_cullentities_trace);
4209         Cvar_RegisterVariable(&r_cullentities_trace_samples);
4210         Cvar_RegisterVariable(&r_cullentities_trace_tempentitysamples);
4211         Cvar_RegisterVariable(&r_cullentities_trace_enlarge);
4212         Cvar_RegisterVariable(&r_cullentities_trace_delay);
4213         Cvar_RegisterVariable(&r_sortentities);
4214         Cvar_RegisterVariable(&r_drawviewmodel);
4215         Cvar_RegisterVariable(&r_drawexteriormodel);
4216         Cvar_RegisterVariable(&r_speeds);
4217         Cvar_RegisterVariable(&r_fullbrights);
4218         Cvar_RegisterVariable(&r_wateralpha);
4219         Cvar_RegisterVariable(&r_dynamic);
4220         Cvar_RegisterVariable(&r_fakelight);
4221         Cvar_RegisterVariable(&r_fakelight_intensity);
4222         Cvar_RegisterVariable(&r_fullbright);
4223         Cvar_RegisterVariable(&r_shadows);
4224         Cvar_RegisterVariable(&r_shadows_darken);
4225         Cvar_RegisterVariable(&r_shadows_drawafterrtlighting);
4226         Cvar_RegisterVariable(&r_shadows_castfrombmodels);
4227         Cvar_RegisterVariable(&r_shadows_throwdistance);
4228         Cvar_RegisterVariable(&r_shadows_throwdirection);
4229         Cvar_RegisterVariable(&r_shadows_focus);
4230         Cvar_RegisterVariable(&r_shadows_shadowmapscale);
4231         Cvar_RegisterVariable(&r_q1bsp_skymasking);
4232         Cvar_RegisterVariable(&r_polygonoffset_submodel_factor);
4233         Cvar_RegisterVariable(&r_polygonoffset_submodel_offset);
4234         Cvar_RegisterVariable(&r_polygonoffset_decals_factor);
4235         Cvar_RegisterVariable(&r_polygonoffset_decals_offset);
4236         Cvar_RegisterVariable(&r_fog_exp2);
4237         Cvar_RegisterVariable(&r_fog_clear);
4238         Cvar_RegisterVariable(&r_drawfog);
4239         Cvar_RegisterVariable(&r_transparentdepthmasking);
4240         Cvar_RegisterVariable(&r_transparent_sortmindist);
4241         Cvar_RegisterVariable(&r_transparent_sortmaxdist);
4242         Cvar_RegisterVariable(&r_transparent_sortarraysize);
4243         Cvar_RegisterVariable(&r_texture_dds_load);
4244         Cvar_RegisterVariable(&r_texture_dds_save);
4245         Cvar_RegisterVariable(&r_textureunits);
4246         Cvar_RegisterVariable(&gl_combine);
4247         Cvar_RegisterVariable(&r_usedepthtextures);
4248         Cvar_RegisterVariable(&r_viewfbo);
4249         Cvar_RegisterVariable(&r_viewscale);
4250         Cvar_RegisterVariable(&r_viewscale_fpsscaling);
4251         Cvar_RegisterVariable(&r_viewscale_fpsscaling_min);
4252         Cvar_RegisterVariable(&r_viewscale_fpsscaling_multiply);
4253         Cvar_RegisterVariable(&r_viewscale_fpsscaling_stepsize);
4254         Cvar_RegisterVariable(&r_viewscale_fpsscaling_stepmax);
4255         Cvar_RegisterVariable(&r_viewscale_fpsscaling_target);
4256         Cvar_RegisterVariable(&r_glsl);
4257         Cvar_RegisterVariable(&r_glsl_deluxemapping);
4258         Cvar_RegisterVariable(&r_glsl_offsetmapping);
4259         Cvar_RegisterVariable(&r_glsl_offsetmapping_steps);
4260         Cvar_RegisterVariable(&r_glsl_offsetmapping_reliefmapping);
4261         Cvar_RegisterVariable(&r_glsl_offsetmapping_reliefmapping_steps);
4262         Cvar_RegisterVariable(&r_glsl_offsetmapping_reliefmapping_refinesteps);
4263         Cvar_RegisterVariable(&r_glsl_offsetmapping_scale);
4264         Cvar_RegisterVariable(&r_glsl_offsetmapping_lod);
4265         Cvar_RegisterVariable(&r_glsl_offsetmapping_lod_distance);
4266         Cvar_RegisterVariable(&r_glsl_postprocess);
4267         Cvar_RegisterVariable(&r_glsl_postprocess_uservec1);
4268         Cvar_RegisterVariable(&r_glsl_postprocess_uservec2);
4269         Cvar_RegisterVariable(&r_glsl_postprocess_uservec3);
4270         Cvar_RegisterVariable(&r_glsl_postprocess_uservec4);
4271         Cvar_RegisterVariable(&r_glsl_postprocess_uservec1_enable);
4272         Cvar_RegisterVariable(&r_glsl_postprocess_uservec2_enable);
4273         Cvar_RegisterVariable(&r_glsl_postprocess_uservec3_enable);
4274         Cvar_RegisterVariable(&r_glsl_postprocess_uservec4_enable);
4275
4276         Cvar_RegisterVariable(&r_water);
4277         Cvar_RegisterVariable(&r_water_resolutionmultiplier);
4278         Cvar_RegisterVariable(&r_water_clippingplanebias);
4279         Cvar_RegisterVariable(&r_water_refractdistort);
4280         Cvar_RegisterVariable(&r_water_reflectdistort);
4281         Cvar_RegisterVariable(&r_water_scissormode);
4282         Cvar_RegisterVariable(&r_water_lowquality);
4283         Cvar_RegisterVariable(&r_water_hideplayer);
4284         Cvar_RegisterVariable(&r_water_fbo);
4285
4286         Cvar_RegisterVariable(&r_lerpsprites);
4287         Cvar_RegisterVariable(&r_lerpmodels);
4288         Cvar_RegisterVariable(&r_lerplightstyles);
4289         Cvar_RegisterVariable(&r_waterscroll);
4290         Cvar_RegisterVariable(&r_bloom);
4291         Cvar_RegisterVariable(&r_bloom_colorscale);
4292         Cvar_RegisterVariable(&r_bloom_brighten);
4293         Cvar_RegisterVariable(&r_bloom_blur);
4294         Cvar_RegisterVariable(&r_bloom_resolution);
4295         Cvar_RegisterVariable(&r_bloom_colorexponent);
4296         Cvar_RegisterVariable(&r_bloom_colorsubtract);
4297         Cvar_RegisterVariable(&r_hdr_scenebrightness);
4298         Cvar_RegisterVariable(&r_hdr_glowintensity);
4299         Cvar_RegisterVariable(&r_hdr_irisadaptation);
4300         Cvar_RegisterVariable(&r_hdr_irisadaptation_multiplier);
4301         Cvar_RegisterVariable(&r_hdr_irisadaptation_minvalue);
4302         Cvar_RegisterVariable(&r_hdr_irisadaptation_maxvalue);
4303         Cvar_RegisterVariable(&r_hdr_irisadaptation_value);
4304         Cvar_RegisterVariable(&r_hdr_irisadaptation_fade_up);
4305         Cvar_RegisterVariable(&r_hdr_irisadaptation_fade_down);
4306         Cvar_RegisterVariable(&r_hdr_irisadaptation_radius);
4307         Cvar_RegisterVariable(&r_smoothnormals_areaweighting);
4308         Cvar_RegisterVariable(&developer_texturelogging);
4309         Cvar_RegisterVariable(&gl_lightmaps);
4310         Cvar_RegisterVariable(&r_test);
4311         Cvar_RegisterVariable(&r_glsl_saturation);
4312         Cvar_RegisterVariable(&r_glsl_saturation_redcompensate);
4313         Cvar_RegisterVariable(&r_glsl_vertextextureblend_usebothalphas);
4314         Cvar_RegisterVariable(&r_framedatasize);
4315         if (gamemode == GAME_NEHAHRA || gamemode == GAME_TENEBRAE)
4316                 Cvar_SetValue("r_fullbrights", 0);
4317         R_RegisterModule("GL_Main", gl_main_start, gl_main_shutdown, gl_main_newmap, NULL, NULL);
4318 }
4319
4320 void Render_Init(void)
4321 {
4322         gl_backend_init();
4323         R_Textures_Init();
4324         GL_Main_Init();
4325         Font_Init();
4326         GL_Draw_Init();
4327         R_Shadow_Init();
4328         R_Sky_Init();
4329         GL_Surf_Init();
4330         Sbar_Init();
4331         R_Particles_Init();
4332         R_Explosion_Init();
4333         R_LightningBeams_Init();
4334         Mod_RenderInit();
4335 }
4336
4337 /*
4338 ===============
4339 GL_Init
4340 ===============
4341 */
4342 #ifndef USE_GLES2
4343 extern char *ENGINE_EXTENSIONS;
4344 void GL_Init (void)
4345 {
4346         gl_renderer = (const char *)qglGetString(GL_RENDERER);
4347         gl_vendor = (const char *)qglGetString(GL_VENDOR);
4348         gl_version = (const char *)qglGetString(GL_VERSION);
4349         gl_extensions = (const char *)qglGetString(GL_EXTENSIONS);
4350
4351         if (!gl_extensions)
4352                 gl_extensions = "";
4353         if (!gl_platformextensions)
4354                 gl_platformextensions = "";
4355
4356         Con_Printf("GL_VENDOR: %s\n", gl_vendor);
4357         Con_Printf("GL_RENDERER: %s\n", gl_renderer);
4358         Con_Printf("GL_VERSION: %s\n", gl_version);
4359         Con_DPrintf("GL_EXTENSIONS: %s\n", gl_extensions);
4360         Con_DPrintf("%s_EXTENSIONS: %s\n", gl_platform, gl_platformextensions);
4361
4362         VID_CheckExtensions();
4363
4364         // LordHavoc: report supported extensions
4365         Con_DPrintf("\nQuakeC extensions for server and client: %s\nQuakeC extensions for menu: %s\n", vm_sv_extensions, vm_m_extensions );
4366
4367         // clear to black (loading plaque will be seen over this)
4368         GL_Clear(GL_COLOR_BUFFER_BIT, NULL, 1.0f, 128);
4369 }
4370 #endif
4371
4372 int R_CullBox(const vec3_t mins, const vec3_t maxs)
4373 {
4374         int i;
4375         mplane_t *p;
4376         if (r_trippy.integer)
4377                 return false;
4378         for (i = 0;i < r_refdef.view.numfrustumplanes;i++)
4379         {
4380                 // skip nearclip plane, it often culls portals when you are very close, and is almost never useful
4381                 if (i == 4)
4382                         continue;
4383                 p = r_refdef.view.frustum + i;
4384                 switch(p->signbits)
4385                 {
4386                 default:
4387                 case 0:
4388                         if (p->normal[0]*maxs[0] + p->normal[1]*maxs[1] + p->normal[2]*maxs[2] < p->dist)
4389                                 return true;
4390                         break;
4391                 case 1:
4392                         if (p->normal[0]*mins[0] + p->normal[1]*maxs[1] + p->normal[2]*maxs[2] < p->dist)
4393                                 return true;
4394                         break;
4395                 case 2:
4396                         if (p->normal[0]*maxs[0] + p->normal[1]*mins[1] + p->normal[2]*maxs[2] < p->dist)
4397                                 return true;
4398                         break;
4399                 case 3:
4400                         if (p->normal[0]*mins[0] + p->normal[1]*mins[1] + p->normal[2]*maxs[2] < p->dist)
4401                                 return true;
4402                         break;
4403                 case 4:
4404                         if (p->normal[0]*maxs[0] + p->normal[1]*maxs[1] + p->normal[2]*mins[2] < p->dist)
4405                                 return true;
4406                         break;
4407                 case 5:
4408                         if (p->normal[0]*mins[0] + p->normal[1]*maxs[1] + p->normal[2]*mins[2] < p->dist)
4409                                 return true;
4410                         break;
4411                 case 6:
4412                         if (p->normal[0]*maxs[0] + p->normal[1]*mins[1] + p->normal[2]*mins[2] < p->dist)
4413                                 return true;
4414                         break;
4415                 case 7:
4416                         if (p->normal[0]*mins[0] + p->normal[1]*mins[1] + p->normal[2]*mins[2] < p->dist)
4417                                 return true;
4418                         break;
4419                 }
4420         }
4421         return false;
4422 }
4423
4424 int R_CullBoxCustomPlanes(const vec3_t mins, const vec3_t maxs, int numplanes, const mplane_t *planes)
4425 {
4426         int i;
4427         const mplane_t *p;
4428         if (r_trippy.integer)
4429                 return false;
4430         for (i = 0;i < numplanes;i++)
4431         {
4432                 p = planes + i;
4433                 switch(p->signbits)
4434                 {
4435                 default:
4436                 case 0:
4437                         if (p->normal[0]*maxs[0] + p->normal[1]*maxs[1] + p->normal[2]*maxs[2] < p->dist)
4438                                 return true;
4439                         break;
4440                 case 1:
4441                         if (p->normal[0]*mins[0] + p->normal[1]*maxs[1] + p->normal[2]*maxs[2] < p->dist)
4442                                 return true;
4443                         break;
4444                 case 2:
4445                         if (p->normal[0]*maxs[0] + p->normal[1]*mins[1] + p->normal[2]*maxs[2] < p->dist)
4446                                 return true;
4447                         break;
4448                 case 3:
4449                         if (p->normal[0]*mins[0] + p->normal[1]*mins[1] + p->normal[2]*maxs[2] < p->dist)
4450                                 return true;
4451                         break;
4452                 case 4:
4453                         if (p->normal[0]*maxs[0] + p->normal[1]*maxs[1] + p->normal[2]*mins[2] < p->dist)
4454                                 return true;
4455                         break;
4456                 case 5:
4457                         if (p->normal[0]*mins[0] + p->normal[1]*maxs[1] + p->normal[2]*mins[2] < p->dist)
4458                                 return true;
4459                         break;
4460                 case 6:
4461                         if (p->normal[0]*maxs[0] + p->normal[1]*mins[1] + p->normal[2]*mins[2] < p->dist)
4462                                 return true;
4463                         break;
4464                 case 7:
4465                         if (p->normal[0]*mins[0] + p->normal[1]*mins[1] + p->normal[2]*mins[2] < p->dist)
4466                                 return true;
4467                         break;
4468                 }
4469         }
4470         return false;
4471 }
4472
4473 //==================================================================================
4474
4475 // LordHavoc: this stores temporary data used within the same frame
4476
4477 typedef struct r_framedata_mem_s
4478 {
4479         struct r_framedata_mem_s *purge; // older mem block to free on next frame
4480         size_t size; // how much usable space
4481         size_t current; // how much space in use
4482         size_t mark; // last "mark" location, temporary memory can be freed by returning to this
4483         size_t wantedsize; // how much space was allocated
4484         unsigned char *data; // start of real data (16byte aligned)
4485 }
4486 r_framedata_mem_t;
4487
4488 static r_framedata_mem_t *r_framedata_mem;
4489
4490 void R_FrameData_Reset(void)
4491 {
4492         while (r_framedata_mem)
4493         {
4494                 r_framedata_mem_t *next = r_framedata_mem->purge;
4495                 Mem_Free(r_framedata_mem);
4496                 r_framedata_mem = next;
4497         }
4498 }
4499
4500 static void R_FrameData_Resize(void)
4501 {
4502         size_t wantedsize;
4503         wantedsize = (size_t)(r_framedatasize.value * 1024*1024);
4504         wantedsize = bound(65536, wantedsize, 1000*1024*1024);
4505         if (!r_framedata_mem || r_framedata_mem->wantedsize != wantedsize)
4506         {
4507                 r_framedata_mem_t *newmem = (r_framedata_mem_t *)Mem_Alloc(r_main_mempool, wantedsize);
4508                 newmem->wantedsize = wantedsize;
4509                 newmem->data = (unsigned char *)(((size_t)(newmem+1) + 15) & ~15);
4510                 newmem->size = (unsigned char *)newmem + wantedsize - newmem->data;
4511                 newmem->current = 0;
4512                 newmem->mark = 0;
4513                 newmem->purge = r_framedata_mem;
4514                 r_framedata_mem = newmem;
4515         }
4516 }
4517
4518 void R_FrameData_NewFrame(void)
4519 {
4520         R_FrameData_Resize();
4521         if (!r_framedata_mem)
4522                 return;
4523         // if we ran out of space on the last frame, free the old memory now
4524         while (r_framedata_mem->purge)
4525         {
4526                 // repeatedly remove the second item in the list, leaving only head
4527                 r_framedata_mem_t *next = r_framedata_mem->purge->purge;
4528                 Mem_Free(r_framedata_mem->purge);
4529                 r_framedata_mem->purge = next;
4530         }
4531         // reset the current mem pointer
4532         r_framedata_mem->current = 0;
4533         r_framedata_mem->mark = 0;
4534 }
4535
4536 void *R_FrameData_Alloc(size_t size)
4537 {
4538         void *data;
4539
4540         // align to 16 byte boundary - the data pointer is already aligned, so we
4541         // only need to ensure the size of every allocation is also aligned
4542         size = (size + 15) & ~15;
4543
4544         while (!r_framedata_mem || r_framedata_mem->current + size > r_framedata_mem->size)
4545         {
4546                 // emergency - we ran out of space, allocate more memory
4547                 Cvar_SetValueQuick(&r_framedatasize, bound(0.25f, r_framedatasize.value * 2.0f, 128.0f));
4548                 R_FrameData_Resize();
4549         }
4550
4551         data = r_framedata_mem->data + r_framedata_mem->current;
4552         r_framedata_mem->current += size;
4553
4554         // count the usage for stats
4555         r_refdef.stats.framedatacurrent = max(r_refdef.stats.framedatacurrent, (int)r_framedata_mem->current);
4556         r_refdef.stats.framedatasize = max(r_refdef.stats.framedatasize, (int)r_framedata_mem->size);
4557
4558         return (void *)data;
4559 }
4560
4561 void *R_FrameData_Store(size_t size, void *data)
4562 {
4563         void *d = R_FrameData_Alloc(size);
4564         if (d && data)
4565                 memcpy(d, data, size);
4566         return d;
4567 }
4568
4569 void R_FrameData_SetMark(void)
4570 {
4571         if (!r_framedata_mem)
4572                 return;
4573         r_framedata_mem->mark = r_framedata_mem->current;
4574 }
4575
4576 void R_FrameData_ReturnToMark(void)
4577 {
4578         if (!r_framedata_mem)
4579                 return;
4580         r_framedata_mem->current = r_framedata_mem->mark;
4581 }
4582
4583 //==================================================================================
4584
4585 // LordHavoc: animcache originally written by Echon, rewritten since then
4586
4587 /**
4588  * Animation cache prevents re-generating mesh data for an animated model
4589  * multiple times in one frame for lighting, shadowing, reflections, etc.
4590  */
4591
4592 void R_AnimCache_Free(void)
4593 {
4594 }
4595
4596 void R_AnimCache_ClearCache(void)
4597 {
4598         int i;
4599         entity_render_t *ent;
4600
4601         for (i = 0;i < r_refdef.scene.numentities;i++)
4602         {
4603                 ent = r_refdef.scene.entities[i];
4604                 ent->animcache_vertex3f = NULL;
4605                 ent->animcache_normal3f = NULL;
4606                 ent->animcache_svector3f = NULL;
4607                 ent->animcache_tvector3f = NULL;
4608                 ent->animcache_vertexmesh = NULL;
4609                 ent->animcache_vertex3fbuffer = NULL;
4610                 ent->animcache_vertexmeshbuffer = NULL;
4611         }
4612 }
4613
4614 static void R_AnimCache_UpdateEntityMeshBuffers(entity_render_t *ent, int numvertices)
4615 {
4616         int i;
4617
4618         // check if we need the meshbuffers
4619         if (!vid.useinterleavedarrays)
4620                 return;
4621
4622         if (!ent->animcache_vertexmesh && ent->animcache_normal3f)
4623                 ent->animcache_vertexmesh = (r_vertexmesh_t *)R_FrameData_Alloc(sizeof(r_vertexmesh_t)*numvertices);
4624         // TODO: upload vertex3f buffer?
4625         if (ent->animcache_vertexmesh)
4626         {
4627                 memcpy(ent->animcache_vertexmesh, ent->model->surfmesh.vertexmesh, sizeof(r_vertexmesh_t)*numvertices);
4628                 for (i = 0;i < numvertices;i++)
4629                         memcpy(ent->animcache_vertexmesh[i].vertex3f, ent->animcache_vertex3f + 3*i, sizeof(float[3]));
4630                 if (ent->animcache_svector3f)
4631                         for (i = 0;i < numvertices;i++)
4632                                 memcpy(ent->animcache_vertexmesh[i].svector3f, ent->animcache_svector3f + 3*i, sizeof(float[3]));
4633                 if (ent->animcache_tvector3f)
4634                         for (i = 0;i < numvertices;i++)
4635                                 memcpy(ent->animcache_vertexmesh[i].tvector3f, ent->animcache_tvector3f + 3*i, sizeof(float[3]));
4636                 if (ent->animcache_normal3f)
4637                         for (i = 0;i < numvertices;i++)
4638                                 memcpy(ent->animcache_vertexmesh[i].normal3f, ent->animcache_normal3f + 3*i, sizeof(float[3]));
4639                 // TODO: upload vertexmeshbuffer?
4640         }
4641 }
4642
4643 qboolean R_AnimCache_GetEntity(entity_render_t *ent, qboolean wantnormals, qboolean wanttangents)
4644 {
4645         dp_model_t *model = ent->model;
4646         int numvertices;
4647         // see if it's already cached this frame
4648         if (ent->animcache_vertex3f)
4649         {
4650                 // add normals/tangents if needed (this only happens with multiple views, reflections, cameras, etc)
4651                 if (wantnormals || wanttangents)
4652                 {
4653                         if (ent->animcache_normal3f)
4654                                 wantnormals = false;
4655                         if (ent->animcache_svector3f)
4656                                 wanttangents = false;
4657                         if (wantnormals || wanttangents)
4658                         {
4659                                 numvertices = model->surfmesh.num_vertices;
4660                                 if (wantnormals)
4661                                         ent->animcache_normal3f = (float *)R_FrameData_Alloc(sizeof(float[3])*numvertices);
4662                                 if (wanttangents)
4663                                 {
4664                                         ent->animcache_svector3f = (float *)R_FrameData_Alloc(sizeof(float[3])*numvertices);
4665                                         ent->animcache_tvector3f = (float *)R_FrameData_Alloc(sizeof(float[3])*numvertices);
4666                                 }
4667                                 model->AnimateVertices(model, ent->frameblend, ent->skeleton, NULL, wantnormals ? ent->animcache_normal3f : NULL, wanttangents ? ent->animcache_svector3f : NULL, wanttangents ? ent->animcache_tvector3f : NULL);
4668                                 R_AnimCache_UpdateEntityMeshBuffers(ent, model->surfmesh.num_vertices);
4669                         }
4670                 }
4671         }
4672         else
4673         {
4674                 // see if this ent is worth caching
4675                 if (!model || !model->Draw || !model->surfmesh.isanimated || !model->AnimateVertices)
4676                         return false;
4677                 // get some memory for this entity and generate mesh data
4678                 numvertices = model->surfmesh.num_vertices;
4679                 ent->animcache_vertex3f = (float *)R_FrameData_Alloc(sizeof(float[3])*numvertices);
4680                 if (wantnormals)
4681                         ent->animcache_normal3f = (float *)R_FrameData_Alloc(sizeof(float[3])*numvertices);
4682                 if (wanttangents)
4683                 {
4684                         ent->animcache_svector3f = (float *)R_FrameData_Alloc(sizeof(float[3])*numvertices);
4685                         ent->animcache_tvector3f = (float *)R_FrameData_Alloc(sizeof(float[3])*numvertices);
4686                 }
4687                 model->AnimateVertices(model, ent->frameblend, ent->skeleton, ent->animcache_vertex3f, ent->animcache_normal3f, ent->animcache_svector3f, ent->animcache_tvector3f);
4688                 R_AnimCache_UpdateEntityMeshBuffers(ent, model->surfmesh.num_vertices);
4689         }
4690         return true;
4691 }
4692
4693 void R_AnimCache_CacheVisibleEntities(void)
4694 {
4695         int i;
4696         qboolean wantnormals = true;
4697         qboolean wanttangents = !r_showsurfaces.integer;
4698
4699         switch(vid.renderpath)
4700         {
4701         case RENDERPATH_GL20:
4702         case RENDERPATH_D3D9:
4703         case RENDERPATH_D3D10:
4704         case RENDERPATH_D3D11:
4705         case RENDERPATH_GLES2:
4706                 break;
4707         case RENDERPATH_GL11:
4708         case RENDERPATH_GL13:
4709         case RENDERPATH_GLES1:
4710                 wanttangents = false;
4711                 break;
4712         case RENDERPATH_SOFT:
4713                 break;
4714         }
4715
4716         if (r_shownormals.integer)
4717                 wanttangents = wantnormals = true;
4718
4719         // TODO: thread this
4720         // NOTE: R_PrepareRTLights() also caches entities
4721
4722         for (i = 0;i < r_refdef.scene.numentities;i++)
4723                 if (r_refdef.viewcache.entityvisible[i])
4724                         R_AnimCache_GetEntity(r_refdef.scene.entities[i], wantnormals, wanttangents);
4725 }
4726
4727 //==================================================================================
4728
4729 extern cvar_t r_overheadsprites_pushback;
4730
4731 static void R_View_UpdateEntityLighting (void)
4732 {
4733         int i;
4734         entity_render_t *ent;
4735         vec3_t tempdiffusenormal, avg;
4736         vec_t f, fa, fd, fdd;
4737         qboolean skipunseen = r_shadows.integer != 1; //|| R_Shadow_ShadowMappingEnabled();
4738
4739         for (i = 0;i < r_refdef.scene.numentities;i++)
4740         {
4741                 ent = r_refdef.scene.entities[i];
4742
4743                 // skip unseen models and models that updated by CSQC
4744                 if ((!r_refdef.viewcache.entityvisible[i] && skipunseen) || ent->flags & RENDER_CUSTOMIZEDMODELLIGHT)
4745                         continue;
4746
4747                 // skip bsp models
4748                 if (ent->model && (ent->model == cl.worldmodel || ent->model->brush.parentmodel == cl.worldmodel))
4749                 {
4750                         // TODO: use modellight for r_ambient settings on world?
4751                         VectorSet(ent->modellight_ambient, 0, 0, 0);
4752                         VectorSet(ent->modellight_diffuse, 0, 0, 0);
4753                         VectorSet(ent->modellight_lightdir, 0, 0, 1);
4754                         continue;
4755                 }
4756
4757                 // fetch the lighting from the worldmodel data
4758                 VectorClear(ent->modellight_ambient);
4759                 VectorClear(ent->modellight_diffuse);
4760                 VectorClear(tempdiffusenormal);
4761                 if (ent->flags & RENDER_LIGHT)
4762                 {
4763                         vec3_t org;
4764                         Matrix4x4_OriginFromMatrix(&ent->matrix, org);
4765
4766                         // complete lightning for lit sprites
4767                         // todo: make a EF_ field so small ents could be lit purely by modellight and skipping real rtlight pass (like EF_NORTLIGHT)?
4768                         if (ent->model->type == mod_sprite && !(ent->model->data_textures[0].basematerialflags & MATERIALFLAG_FULLBRIGHT))
4769                         {
4770                                 if (ent->model->sprite.sprnum_type == SPR_OVERHEAD) // apply offset for overhead sprites
4771                                         org[2] = org[2] + r_overheadsprites_pushback.value;
4772                                 R_LightPoint(ent->modellight_ambient, org, LP_LIGHTMAP | LP_RTWORLD | LP_DYNLIGHT);
4773                         }
4774                         else
4775                                 R_CompleteLightPoint(ent->modellight_ambient, ent->modellight_diffuse, tempdiffusenormal, org, LP_LIGHTMAP);
4776
4777                         if(ent->flags & RENDER_EQUALIZE)
4778                         {
4779                                 // first fix up ambient lighting...
4780                                 if(r_equalize_entities_minambient.value > 0)
4781                                 {
4782                                         fd = 0.299f * ent->modellight_diffuse[0] + 0.587f * ent->modellight_diffuse[1] + 0.114f * ent->modellight_diffuse[2];
4783                                         if(fd > 0)
4784                                         {
4785                                                 fa = (0.299f * ent->modellight_ambient[0] + 0.587f * ent->modellight_ambient[1] + 0.114f * ent->modellight_ambient[2]);
4786                                                 if(fa < r_equalize_entities_minambient.value * fd)
4787                                                 {
4788                                                         // solve:
4789                                                         //   fa'/fd' = minambient
4790                                                         //   fa'+0.25*fd' = fa+0.25*fd
4791                                                         //   ...
4792                                                         //   fa' = fd' * minambient
4793                                                         //   fd'*(0.25+minambient) = fa+0.25*fd
4794                                                         //   ...
4795                                                         //   fd' = (fa+0.25*fd) * 1 / (0.25+minambient)
4796                                                         //   fa' = (fa+0.25*fd) * minambient / (0.25+minambient)
4797                                                         //   ...
4798                                                         fdd = (fa + 0.25f * fd) / (0.25f + r_equalize_entities_minambient.value);
4799                                                         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
4800                                                         VectorMA(ent->modellight_ambient, (1-f)*0.25f, ent->modellight_diffuse, ent->modellight_ambient);
4801                                                         VectorScale(ent->modellight_diffuse, f, ent->modellight_diffuse);
4802                                                 }
4803                                         }
4804                                 }
4805
4806                                 if(r_equalize_entities_to.value > 0 && r_equalize_entities_by.value != 0)
4807                                 {
4808                                         fa = 0.299f * ent->modellight_ambient[0] + 0.587f * ent->modellight_ambient[1] + 0.114f * ent->modellight_ambient[2];
4809                                         fd = 0.299f * ent->modellight_diffuse[0] + 0.587f * ent->modellight_diffuse[1] + 0.114f * ent->modellight_diffuse[2];
4810                                         f = fa + 0.25 * fd;
4811                                         if(f > 0)
4812                                         {
4813                                                 // adjust brightness and saturation to target
4814                                                 avg[0] = avg[1] = avg[2] = fa / f;
4815                                                 VectorLerp(ent->modellight_ambient, r_equalize_entities_by.value, avg, ent->modellight_ambient);
4816                                                 avg[0] = avg[1] = avg[2] = fd / f;
4817                                                 VectorLerp(ent->modellight_diffuse, r_equalize_entities_by.value, avg, ent->modellight_diffuse);
4818                                         }
4819                                 }
4820                         }
4821                 }
4822                 else // highly rare
4823                         VectorSet(ent->modellight_ambient, 1, 1, 1);
4824
4825                 // move the light direction into modelspace coordinates for lighting code
4826                 Matrix4x4_Transform3x3(&ent->inversematrix, tempdiffusenormal, ent->modellight_lightdir);
4827                 if(VectorLength2(ent->modellight_lightdir) == 0)
4828                         VectorSet(ent->modellight_lightdir, 0, 0, 1); // have to set SOME valid vector here
4829                 VectorNormalize(ent->modellight_lightdir);
4830         }
4831 }
4832
4833 #define MAX_LINEOFSIGHTTRACES 64
4834
4835 static qboolean R_CanSeeBox(int numsamples, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
4836 {
4837         int i;
4838         vec3_t boxmins, boxmaxs;
4839         vec3_t start;
4840         vec3_t end;
4841         dp_model_t *model = r_refdef.scene.worldmodel;
4842
4843         if (!model || !model->brush.TraceLineOfSight)
4844                 return true;
4845
4846         // expand the box a little
4847         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
4848         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
4849         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
4850         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
4851         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
4852         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
4853
4854         // return true if eye is inside enlarged box
4855         if (BoxesOverlap(boxmins, boxmaxs, eye, eye))
4856                 return true;
4857
4858         // try center
4859         VectorCopy(eye, start);
4860         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, end);
4861         if (model->brush.TraceLineOfSight(model, start, end))
4862                 return true;
4863
4864         // try various random positions
4865         for (i = 0;i < numsamples;i++)
4866         {
4867                 VectorSet(end, lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
4868                 if (model->brush.TraceLineOfSight(model, start, end))
4869                         return true;
4870         }
4871
4872         return false;
4873 }
4874
4875
4876 static void R_View_UpdateEntityVisible (void)
4877 {
4878         int i;
4879         int renderimask;
4880         int samples;
4881         entity_render_t *ent;
4882
4883         renderimask = r_refdef.envmap                                    ? (RENDER_EXTERIORMODEL | RENDER_VIEWMODEL)
4884                 : r_fb.water.hideplayer                                      ? (RENDER_EXTERIORMODEL | RENDER_VIEWMODEL)
4885                 : (chase_active.integer || r_fb.water.renderingscene)  ? RENDER_VIEWMODEL
4886                 :                                                          RENDER_EXTERIORMODEL;
4887         if (!r_drawviewmodel.integer)
4888                 renderimask |= RENDER_VIEWMODEL;
4889         if (!r_drawexteriormodel.integer)
4890                 renderimask |= RENDER_EXTERIORMODEL;
4891         if (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.BoxTouchingVisibleLeafs)
4892         {
4893                 // worldmodel can check visibility
4894                 memset(r_refdef.viewcache.entityvisible, 0, r_refdef.scene.numentities);
4895                 for (i = 0;i < r_refdef.scene.numentities;i++)
4896                 {
4897                         ent = r_refdef.scene.entities[i];
4898                         if (!(ent->flags & renderimask))
4899                         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)))
4900                         if ((ent->flags & (RENDER_NODEPTHTEST | RENDER_WORLDOBJECT | RENDER_VIEWMODEL)) || r_refdef.scene.worldmodel->brush.BoxTouchingVisibleLeafs(r_refdef.scene.worldmodel, r_refdef.viewcache.world_leafvisible, ent->mins, ent->maxs))
4901                                 r_refdef.viewcache.entityvisible[i] = true;
4902                 }
4903         }
4904         else
4905         {
4906                 // no worldmodel or it can't check visibility
4907                 for (i = 0;i < r_refdef.scene.numentities;i++)
4908                 {
4909                         ent = r_refdef.scene.entities[i];
4910                         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));
4911                 }
4912         }
4913         if(r_cullentities_trace.integer && r_refdef.scene.worldmodel->brush.TraceLineOfSight && !r_refdef.view.useclipplane && !r_trippy.integer)
4914                 // sorry, this check doesn't work for portal/reflection/refraction renders as the view origin is not useful for culling
4915         {
4916                 for (i = 0;i < r_refdef.scene.numentities;i++)
4917                 {
4918                         if (!r_refdef.viewcache.entityvisible[i])
4919                                 continue;
4920                         ent = r_refdef.scene.entities[i];
4921                         if(!(ent->flags & (RENDER_VIEWMODEL | RENDER_WORLDOBJECT | RENDER_NODEPTHTEST)) && !(ent->model && (ent->model->name[0] == '*')))
4922                         {
4923                                 samples = ent->entitynumber ? r_cullentities_trace_samples.integer : r_cullentities_trace_tempentitysamples.integer;
4924                                 if (samples < 0)
4925                                         continue; // temp entities do pvs only
4926                                 if(R_CanSeeBox(samples, r_cullentities_trace_enlarge.value, r_refdef.view.origin, ent->mins, ent->maxs))
4927                                         ent->last_trace_visibility = realtime;
4928                                 if(ent->last_trace_visibility < realtime - r_cullentities_trace_delay.value)
4929                                         r_refdef.viewcache.entityvisible[i] = 0;
4930                         }
4931                 }
4932         }
4933 }
4934
4935 /// only used if skyrendermasked, and normally returns false
4936 static int R_DrawBrushModelsSky (void)
4937 {
4938         int i, sky;
4939         entity_render_t *ent;
4940
4941         sky = false;
4942         for (i = 0;i < r_refdef.scene.numentities;i++)
4943         {
4944                 if (!r_refdef.viewcache.entityvisible[i])
4945                         continue;
4946                 ent = r_refdef.scene.entities[i];
4947                 if (!ent->model || !ent->model->DrawSky)
4948                         continue;
4949                 ent->model->DrawSky(ent);
4950                 sky = true;
4951         }
4952         return sky;
4953 }
4954
4955 static void R_DrawNoModel(entity_render_t *ent);
4956 static void R_DrawModels(void)
4957 {
4958         int i;
4959         entity_render_t *ent;
4960
4961         for (i = 0;i < r_refdef.scene.numentities;i++)
4962         {
4963                 if (!r_refdef.viewcache.entityvisible[i])
4964                         continue;
4965                 ent = r_refdef.scene.entities[i];
4966                 r_refdef.stats.entities++;
4967                 /*
4968                 if (ent->model && !strncmp(ent->model->name, "models/proto_", 13))
4969                 {
4970                         vec3_t f, l, u, o;
4971                         Matrix4x4_ToVectors(&ent->matrix, f, l, u, o);
4972                         Con_Printf("R_DrawModels\n");
4973                         Con_Printf("model %s O %f %f %f F %f %f %f L %f %f %f U %f %f %f\n", ent->model->name, o[0], o[1], o[2], f[0], f[1], f[2], l[0], l[1], l[2], u[0], u[1], u[2]);
4974                         Con_Printf("group: %i %f %i %f %i %f %i %f\n", ent->framegroupblend[0].frame, ent->framegroupblend[0].lerp, ent->framegroupblend[1].frame, ent->framegroupblend[1].lerp, ent->framegroupblend[2].frame, ent->framegroupblend[2].lerp, ent->framegroupblend[3].frame, ent->framegroupblend[3].lerp);
4975                         Con_Printf("blend: %i %f %i %f %i %f %i %f %i %f %i %f %i %f %i %f\n", ent->frameblend[0].subframe, ent->frameblend[0].lerp, ent->frameblend[1].subframe, ent->frameblend[1].lerp, ent->frameblend[2].subframe, ent->frameblend[2].lerp, ent->frameblend[3].subframe, ent->frameblend[3].lerp, ent->frameblend[4].subframe, ent->frameblend[4].lerp, ent->frameblend[5].subframe, ent->frameblend[5].lerp, ent->frameblend[6].subframe, ent->frameblend[6].lerp, ent->frameblend[7].subframe, ent->frameblend[7].lerp);
4976                 }
4977                 */
4978                 if (ent->model && ent->model->Draw != NULL)
4979                         ent->model->Draw(ent);
4980                 else
4981                         R_DrawNoModel(ent);
4982         }
4983 }
4984
4985 static void R_DrawModelsDepth(void)
4986 {
4987         int i;
4988         entity_render_t *ent;
4989
4990         for (i = 0;i < r_refdef.scene.numentities;i++)
4991         {
4992                 if (!r_refdef.viewcache.entityvisible[i])
4993                         continue;
4994                 ent = r_refdef.scene.entities[i];
4995                 if (ent->model && ent->model->DrawDepth != NULL)
4996                         ent->model->DrawDepth(ent);
4997         }
4998 }
4999
5000 static void R_DrawModelsDebug(void)
5001 {
5002         int i;
5003         entity_render_t *ent;
5004
5005         for (i = 0;i < r_refdef.scene.numentities;i++)
5006         {
5007                 if (!r_refdef.viewcache.entityvisible[i])
5008                         continue;
5009                 ent = r_refdef.scene.entities[i];
5010                 if (ent->model && ent->model->DrawDebug != NULL)
5011                         ent->model->DrawDebug(ent);
5012         }
5013 }
5014
5015 static void R_DrawModelsAddWaterPlanes(void)
5016 {
5017         int i;
5018         entity_render_t *ent;
5019
5020         for (i = 0;i < r_refdef.scene.numentities;i++)
5021         {
5022                 if (!r_refdef.viewcache.entityvisible[i])
5023                         continue;
5024                 ent = r_refdef.scene.entities[i];
5025                 if (ent->model && ent->model->DrawAddWaterPlanes != NULL)
5026                         ent->model->DrawAddWaterPlanes(ent);
5027         }
5028 }
5029
5030 static float irisvecs[7][3] = {{0, 0, 0}, {-1, 0, 0}, {1, 0, 0}, {0, -1, 0}, {0, 1, 0}, {0, 0, -1}, {0, 0, 1}};
5031
5032 void R_HDR_UpdateIrisAdaptation(const vec3_t point)
5033 {
5034         if (r_hdr_irisadaptation.integer)
5035         {
5036                 vec3_t p;
5037                 vec3_t ambient;
5038                 vec3_t diffuse;
5039                 vec3_t diffusenormal;
5040                 vec3_t forward;
5041                 vec_t brightness = 0.0f;
5042                 vec_t goal;
5043                 vec_t current;
5044                 vec_t d;
5045                 int c;
5046                 VectorCopy(r_refdef.view.forward, forward);
5047                 for (c = 0;c < (int)(sizeof(irisvecs)/sizeof(irisvecs[0]));c++)
5048                 {
5049                         p[0] = point[0] + irisvecs[c][0] * r_hdr_irisadaptation_radius.value;
5050                         p[1] = point[1] + irisvecs[c][1] * r_hdr_irisadaptation_radius.value;
5051                         p[2] = point[2] + irisvecs[c][2] * r_hdr_irisadaptation_radius.value;
5052                         R_CompleteLightPoint(ambient, diffuse, diffusenormal, p, LP_LIGHTMAP | LP_RTWORLD | LP_DYNLIGHT);
5053                         d = DotProduct(forward, diffusenormal);
5054                         brightness += VectorLength(ambient);
5055                         if (d > 0)
5056                                 brightness += d * VectorLength(diffuse);
5057                 }
5058                 brightness *= 1.0f / c;
5059                 brightness += 0.00001f; // make sure it's never zero
5060                 goal = r_hdr_irisadaptation_multiplier.value / brightness;
5061                 goal = bound(r_hdr_irisadaptation_minvalue.value, goal, r_hdr_irisadaptation_maxvalue.value);
5062                 current = r_hdr_irisadaptation_value.value;
5063                 if (current < goal)
5064                         current = min(current + r_hdr_irisadaptation_fade_up.value * cl.realframetime, goal);
5065                 else if (current > goal)
5066                         current = max(current - r_hdr_irisadaptation_fade_down.value * cl.realframetime, goal);
5067                 if (fabs(r_hdr_irisadaptation_value.value - current) > 0.0001f)
5068                         Cvar_SetValueQuick(&r_hdr_irisadaptation_value, current);
5069         }
5070         else if (r_hdr_irisadaptation_value.value != 1.0f)
5071                 Cvar_SetValueQuick(&r_hdr_irisadaptation_value, 1.0f);
5072 }
5073
5074 static void R_View_SetFrustum(const int *scissor)
5075 {
5076         int i;
5077         double fpx = +1, fnx = -1, fpy = +1, fny = -1;
5078         vec3_t forward, left, up, origin, v;
5079
5080         if(scissor)
5081         {
5082                 // flipped x coordinates (because x points left here)
5083                 fpx =  1.0 - 2.0 * (scissor[0]              - r_refdef.view.viewport.x) / (double) (r_refdef.view.viewport.width);
5084                 fnx =  1.0 - 2.0 * (scissor[0] + scissor[2] - r_refdef.view.viewport.x) / (double) (r_refdef.view.viewport.width);
5085
5086                 // D3D Y coordinate is top to bottom, OpenGL is bottom to top, fix the D3D one
5087                 switch(vid.renderpath)
5088                 {
5089                         case RENDERPATH_D3D9:
5090                         case RENDERPATH_D3D10:
5091                         case RENDERPATH_D3D11:
5092                                 // non-flipped y coordinates
5093                                 fny = -1.0 + 2.0 * (vid.height - scissor[1] - scissor[3] - r_refdef.view.viewport.y) / (double) (r_refdef.view.viewport.height);
5094                                 fpy = -1.0 + 2.0 * (vid.height - scissor[1]              - r_refdef.view.viewport.y) / (double) (r_refdef.view.viewport.height);
5095                                 break;
5096                         case RENDERPATH_SOFT:
5097                         case RENDERPATH_GL11:
5098                         case RENDERPATH_GL13:
5099                         case RENDERPATH_GL20:
5100                         case RENDERPATH_GLES1:
5101                         case RENDERPATH_GLES2:
5102                                 // non-flipped y coordinates
5103                                 fny = -1.0 + 2.0 * (scissor[1]              - r_refdef.view.viewport.y) / (double) (r_refdef.view.viewport.height);
5104                                 fpy = -1.0 + 2.0 * (scissor[1] + scissor[3] - r_refdef.view.viewport.y) / (double) (r_refdef.view.viewport.height);
5105                                 break;
5106                 }
5107         }
5108
5109         // we can't trust r_refdef.view.forward and friends in reflected scenes
5110         Matrix4x4_ToVectors(&r_refdef.view.matrix, forward, left, up, origin);
5111
5112 #if 0
5113         r_refdef.view.frustum[0].normal[0] = 0 - 1.0 / r_refdef.view.frustum_x;
5114         r_refdef.view.frustum[0].normal[1] = 0 - 0;
5115         r_refdef.view.frustum[0].normal[2] = -1 - 0;
5116         r_refdef.view.frustum[1].normal[0] = 0 + 1.0 / r_refdef.view.frustum_x;
5117         r_refdef.view.frustum[1].normal[1] = 0 + 0;
5118         r_refdef.view.frustum[1].normal[2] = -1 + 0;
5119         r_refdef.view.frustum[2].normal[0] = 0 - 0;
5120         r_refdef.view.frustum[2].normal[1] = 0 - 1.0 / r_refdef.view.frustum_y;
5121         r_refdef.view.frustum[2].normal[2] = -1 - 0;
5122         r_refdef.view.frustum[3].normal[0] = 0 + 0;
5123         r_refdef.view.frustum[3].normal[1] = 0 + 1.0 / r_refdef.view.frustum_y;
5124         r_refdef.view.frustum[3].normal[2] = -1 + 0;
5125 #endif
5126
5127 #if 0
5128         zNear = r_refdef.nearclip;
5129         nudge = 1.0 - 1.0 / (1<<23);
5130         r_refdef.view.frustum[4].normal[0] = 0 - 0;
5131         r_refdef.view.frustum[4].normal[1] = 0 - 0;
5132         r_refdef.view.frustum[4].normal[2] = -1 - -nudge;
5133         r_refdef.view.frustum[4].dist = 0 - -2 * zNear * nudge;
5134         r_refdef.view.frustum[5].normal[0] = 0 + 0;
5135         r_refdef.view.frustum[5].normal[1] = 0 + 0;
5136         r_refdef.view.frustum[5].normal[2] = -1 + -nudge;
5137         r_refdef.view.frustum[5].dist = 0 + -2 * zNear * nudge;
5138 #endif
5139
5140
5141
5142 #if 0
5143         r_refdef.view.frustum[0].normal[0] = m[3] - m[0];
5144         r_refdef.view.frustum[0].normal[1] = m[7] - m[4];
5145         r_refdef.view.frustum[0].normal[2] = m[11] - m[8];
5146         r_refdef.view.frustum[0].dist = m[15] - m[12];
5147
5148         r_refdef.view.frustum[1].normal[0] = m[3] + m[0];
5149         r_refdef.view.frustum[1].normal[1] = m[7] + m[4];
5150         r_refdef.view.frustum[1].normal[2] = m[11] + m[8];
5151         r_refdef.view.frustum[1].dist = m[15] + m[12];
5152
5153         r_refdef.view.frustum[2].normal[0] = m[3] - m[1];
5154         r_refdef.view.frustum[2].normal[1] = m[7] - m[5];
5155         r_refdef.view.frustum[2].normal[2] = m[11] - m[9];
5156         r_refdef.view.frustum[2].dist = m[15] - m[13];
5157
5158         r_refdef.view.frustum[3].normal[0] = m[3] + m[1];
5159         r_refdef.view.frustum[3].normal[1] = m[7] + m[5];
5160         r_refdef.view.frustum[3].normal[2] = m[11] + m[9];
5161         r_refdef.view.frustum[3].dist = m[15] + m[13];
5162
5163         r_refdef.view.frustum[4].normal[0] = m[3] - m[2];
5164         r_refdef.view.frustum[4].normal[1] = m[7] - m[6];
5165         r_refdef.view.frustum[4].normal[2] = m[11] - m[10];
5166         r_refdef.view.frustum[4].dist = m[15] - m[14];
5167
5168         r_refdef.view.frustum[5].normal[0] = m[3] + m[2];
5169         r_refdef.view.frustum[5].normal[1] = m[7] + m[6];
5170         r_refdef.view.frustum[5].normal[2] = m[11] + m[10];
5171         r_refdef.view.frustum[5].dist = m[15] + m[14];
5172 #endif
5173
5174         if (r_refdef.view.useperspective)
5175         {
5176                 // calculate frustum corners, which are used to calculate deformed frustum planes for shadow caster culling
5177                 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]);
5178                 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]);
5179                 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]);
5180                 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]);
5181
5182                 // then the normals from the corners relative to origin
5183                 CrossProduct(r_refdef.view.frustumcorner[2], r_refdef.view.frustumcorner[0], r_refdef.view.frustum[0].normal);
5184                 CrossProduct(r_refdef.view.frustumcorner[1], r_refdef.view.frustumcorner[3], r_refdef.view.frustum[1].normal);
5185                 CrossProduct(r_refdef.view.frustumcorner[0], r_refdef.view.frustumcorner[1], r_refdef.view.frustum[2].normal);
5186                 CrossProduct(r_refdef.view.frustumcorner[3], r_refdef.view.frustumcorner[2], r_refdef.view.frustum[3].normal);
5187
5188                 // in a NORMAL view, forward cross left == up
5189                 // in a REFLECTED view, forward cross left == down
5190                 // so our cross products above need to be adjusted for a left handed coordinate system
5191                 CrossProduct(forward, left, v);
5192                 if(DotProduct(v, up) < 0)
5193                 {
5194                         VectorNegate(r_refdef.view.frustum[0].normal, r_refdef.view.frustum[0].normal);
5195                         VectorNegate(r_refdef.view.frustum[1].normal, r_refdef.view.frustum[1].normal);
5196                         VectorNegate(r_refdef.view.frustum[2].normal, r_refdef.view.frustum[2].normal);
5197                         VectorNegate(r_refdef.view.frustum[3].normal, r_refdef.view.frustum[3].normal);
5198                 }
5199
5200                 // Leaving those out was a mistake, those were in the old code, and they
5201                 // fix a reproducable bug in this one: frustum culling got fucked up when viewmatrix was an identity matrix
5202                 // I couldn't reproduce it after adding those normalizations. --blub
5203                 VectorNormalize(r_refdef.view.frustum[0].normal);
5204                 VectorNormalize(r_refdef.view.frustum[1].normal);
5205                 VectorNormalize(r_refdef.view.frustum[2].normal);
5206                 VectorNormalize(r_refdef.view.frustum[3].normal);
5207
5208                 // make the corners absolute
5209                 VectorAdd(r_refdef.view.frustumcorner[0], r_refdef.view.origin, r_refdef.view.frustumcorner[0]);
5210                 VectorAdd(r_refdef.view.frustumcorner[1], r_refdef.view.origin, r_refdef.view.frustumcorner[1]);
5211                 VectorAdd(r_refdef.view.frustumcorner[2], r_refdef.view.origin, r_refdef.view.frustumcorner[2]);
5212                 VectorAdd(r_refdef.view.frustumcorner[3], r_refdef.view.origin, r_refdef.view.frustumcorner[3]);
5213
5214                 // one more normal
5215                 VectorCopy(forward, r_refdef.view.frustum[4].normal);
5216
5217                 r_refdef.view.frustum[0].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[0].normal);
5218                 r_refdef.view.frustum[1].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[1].normal);
5219                 r_refdef.view.frustum[2].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[2].normal);
5220                 r_refdef.view.frustum[3].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[3].normal);
5221                 r_refdef.view.frustum[4].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[4].normal) + r_refdef.nearclip;
5222         }
5223         else
5224         {
5225                 VectorScale(left, -r_refdef.view.ortho_x, r_refdef.view.frustum[0].normal);
5226                 VectorScale(left,  r_refdef.view.ortho_x, r_refdef.view.frustum[1].normal);
5227                 VectorScale(up, -r_refdef.view.ortho_y, r_refdef.view.frustum[2].normal);
5228                 VectorScale(up,  r_refdef.view.ortho_y, r_refdef.view.frustum[3].normal);
5229                 VectorCopy(forward, r_refdef.view.frustum[4].normal);
5230                 r_refdef.view.frustum[0].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[0].normal) + r_refdef.view.ortho_x;
5231                 r_refdef.view.frustum[1].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[1].normal) + r_refdef.view.ortho_x;
5232                 r_refdef.view.frustum[2].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[2].normal) + r_refdef.view.ortho_y;
5233                 r_refdef.view.frustum[3].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[3].normal) + r_refdef.view.ortho_y;
5234                 r_refdef.view.frustum[4].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[4].normal) + r_refdef.nearclip;
5235         }
5236         r_refdef.view.numfrustumplanes = 5;
5237
5238         if (r_refdef.view.useclipplane)
5239         {
5240                 r_refdef.view.numfrustumplanes = 6;
5241                 r_refdef.view.frustum[5] = r_refdef.view.clipplane;
5242         }
5243
5244         for (i = 0;i < r_refdef.view.numfrustumplanes;i++)
5245                 PlaneClassify(r_refdef.view.frustum + i);
5246
5247         // LordHavoc: note to all quake engine coders, Quake had a special case
5248         // for 90 degrees which assumed a square view (wrong), so I removed it,
5249         // Quake2 has it disabled as well.
5250
5251         // rotate R_VIEWFORWARD right by FOV_X/2 degrees
5252         //RotatePointAroundVector( r_refdef.view.frustum[0].normal, up, forward, -(90 - r_refdef.fov_x / 2));
5253         //r_refdef.view.frustum[0].dist = DotProduct (r_refdef.view.origin, frustum[0].normal);
5254         //PlaneClassify(&frustum[0]);
5255
5256         // rotate R_VIEWFORWARD left by FOV_X/2 degrees
5257         //RotatePointAroundVector( r_refdef.view.frustum[1].normal, up, forward, (90 - r_refdef.fov_x / 2));
5258         //r_refdef.view.frustum[1].dist = DotProduct (r_refdef.view.origin, frustum[1].normal);
5259         //PlaneClassify(&frustum[1]);
5260
5261         // rotate R_VIEWFORWARD up by FOV_X/2 degrees
5262         //RotatePointAroundVector( r_refdef.view.frustum[2].normal, left, forward, -(90 - r_refdef.fov_y / 2));
5263         //r_refdef.view.frustum[2].dist = DotProduct (r_refdef.view.origin, frustum[2].normal);
5264         //PlaneClassify(&frustum[2]);
5265
5266         // rotate R_VIEWFORWARD down by FOV_X/2 degrees
5267         //RotatePointAroundVector( r_refdef.view.frustum[3].normal, left, forward, (90 - r_refdef.fov_y / 2));
5268         //r_refdef.view.frustum[3].dist = DotProduct (r_refdef.view.origin, frustum[3].normal);
5269         //PlaneClassify(&frustum[3]);
5270
5271         // nearclip plane
5272         //VectorCopy(forward, r_refdef.view.frustum[4].normal);
5273         //r_refdef.view.frustum[4].dist = DotProduct (r_refdef.view.origin, frustum[4].normal) + r_nearclip.value;
5274         //PlaneClassify(&frustum[4]);
5275 }
5276
5277 static void R_View_UpdateWithScissor(const int *myscissor)
5278 {
5279         R_Main_ResizeViewCache();
5280         R_View_SetFrustum(myscissor);
5281         R_View_WorldVisibility(r_refdef.view.useclipplane);
5282         R_View_UpdateEntityVisible();
5283         R_View_UpdateEntityLighting();
5284         R_AnimCache_CacheVisibleEntities();
5285 }
5286
5287 static void R_View_Update(void)
5288 {
5289         R_Main_ResizeViewCache();
5290         R_View_SetFrustum(NULL);
5291         R_View_WorldVisibility(r_refdef.view.useclipplane);
5292         R_View_UpdateEntityVisible();
5293         R_View_UpdateEntityLighting();
5294         R_AnimCache_CacheVisibleEntities();
5295 }
5296
5297 float viewscalefpsadjusted = 1.0f;
5298
5299 static void R_GetScaledViewSize(int width, int height, int *outwidth, int *outheight)
5300 {
5301         float scale = r_viewscale.value * sqrt(viewscalefpsadjusted);
5302         scale = bound(0.03125f, scale, 1.0f);
5303         *outwidth = (int)ceil(width * scale);
5304         *outheight = (int)ceil(height * scale);
5305 }
5306
5307 void R_SetupView(qboolean allowwaterclippingplane, int fbo, rtexture_t *depthtexture, rtexture_t *colortexture)
5308 {
5309         const float *customclipplane = NULL;
5310         float plane[4];
5311         int /*rtwidth,*/ rtheight, scaledwidth, scaledheight;
5312         if (r_refdef.view.useclipplane && allowwaterclippingplane)
5313         {
5314                 // LordHavoc: couldn't figure out how to make this approach the
5315                 vec_t dist = r_refdef.view.clipplane.dist - r_water_clippingplanebias.value;
5316                 vec_t viewdist = DotProduct(r_refdef.view.origin, r_refdef.view.clipplane.normal);
5317                 if (viewdist < r_refdef.view.clipplane.dist + r_water_clippingplanebias.value)
5318                         dist = r_refdef.view.clipplane.dist;
5319                 plane[0] = r_refdef.view.clipplane.normal[0];
5320                 plane[1] = r_refdef.view.clipplane.normal[1];
5321                 plane[2] = r_refdef.view.clipplane.normal[2];
5322                 plane[3] = -dist;
5323                 if(vid.renderpath != RENDERPATH_SOFT) customclipplane = plane;
5324         }
5325
5326         //rtwidth = fbo ? R_TextureWidth(depthtexture ? depthtexture : colortexture) : vid.width;
5327         rtheight = fbo ? R_TextureHeight(depthtexture ? depthtexture : colortexture) : vid.height;
5328
5329         R_GetScaledViewSize(r_refdef.view.width, r_refdef.view.height, &scaledwidth, &scaledheight);
5330         if (!r_refdef.view.useperspective)
5331                 R_Viewport_InitOrtho(&r_refdef.view.viewport, &r_refdef.view.matrix, r_refdef.view.x, rtheight - scaledheight - r_refdef.view.y, scaledwidth, scaledheight, -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);
5332         else if (vid.stencil && r_useinfinitefarclip.integer)
5333                 R_Viewport_InitPerspectiveInfinite(&r_refdef.view.viewport, &r_refdef.view.matrix, r_refdef.view.x, rtheight - scaledheight - r_refdef.view.y, scaledwidth, scaledheight, r_refdef.view.frustum_x, r_refdef.view.frustum_y, r_refdef.nearclip, customclipplane);
5334         else
5335                 R_Viewport_InitPerspective(&r_refdef.view.viewport, &r_refdef.view.matrix, r_refdef.view.x, rtheight - scaledheight - r_refdef.view.y, scaledwidth, scaledheight, r_refdef.view.frustum_x, r_refdef.view.frustum_y, r_refdef.nearclip, r_refdef.farclip, customclipplane);
5336         R_Mesh_SetRenderTargets(fbo, depthtexture, colortexture, NULL, NULL, NULL);
5337         R_SetViewport(&r_refdef.view.viewport);
5338         if (r_refdef.view.useclipplane && allowwaterclippingplane && vid.renderpath == RENDERPATH_SOFT)
5339         {
5340                 matrix4x4_t mvpmatrix, invmvpmatrix, invtransmvpmatrix;
5341                 float screenplane[4];
5342                 Matrix4x4_Concat(&mvpmatrix, &r_refdef.view.viewport.projectmatrix, &r_refdef.view.viewport.viewmatrix);
5343                 Matrix4x4_Invert_Full(&invmvpmatrix, &mvpmatrix);
5344                 Matrix4x4_Transpose(&invtransmvpmatrix, &invmvpmatrix);
5345                 Matrix4x4_Transform4(&invtransmvpmatrix, plane, screenplane);
5346                 DPSOFTRAST_ClipPlane(screenplane[0], screenplane[1], screenplane[2], screenplane[3]);
5347         }
5348 }
5349
5350 void R_EntityMatrix(const matrix4x4_t *matrix)
5351 {
5352         if (gl_modelmatrixchanged || memcmp(matrix, &gl_modelmatrix, sizeof(matrix4x4_t)))
5353         {
5354                 gl_modelmatrixchanged = false;
5355                 gl_modelmatrix = *matrix;
5356                 Matrix4x4_Concat(&gl_modelviewmatrix, &gl_viewmatrix, &gl_modelmatrix);
5357                 Matrix4x4_Concat(&gl_modelviewprojectionmatrix, &gl_projectionmatrix, &gl_modelviewmatrix);
5358                 Matrix4x4_ToArrayFloatGL(&gl_modelviewmatrix, gl_modelview16f);
5359                 Matrix4x4_ToArrayFloatGL(&gl_modelviewprojectionmatrix, gl_modelviewprojection16f);
5360                 CHECKGLERROR
5361                 switch(vid.renderpath)
5362                 {
5363                 case RENDERPATH_D3D9:
5364 #ifdef SUPPORTD3D
5365                         hlslVSSetParameter16f(D3DVSREGISTER_ModelViewProjectionMatrix, gl_modelviewprojection16f);
5366                         hlslVSSetParameter16f(D3DVSREGISTER_ModelViewMatrix, gl_modelview16f);
5367 #endif
5368                         break;
5369                 case RENDERPATH_D3D10:
5370                         Con_DPrintf("FIXME D3D10 shader %s:%i\n", __FILE__, __LINE__);
5371                         break;
5372                 case RENDERPATH_D3D11:
5373                         Con_DPrintf("FIXME D3D11 shader %s:%i\n", __FILE__, __LINE__);
5374                         break;
5375                 case RENDERPATH_GL11:
5376                 case RENDERPATH_GL13:
5377                 case RENDERPATH_GLES1:
5378                         qglLoadMatrixf(gl_modelview16f);CHECKGLERROR
5379                         break;
5380                 case RENDERPATH_SOFT:
5381                         DPSOFTRAST_UniformMatrix4fv(DPSOFTRAST_UNIFORM_ModelViewProjectionMatrixM1, 1, false, gl_modelviewprojection16f);
5382                         DPSOFTRAST_UniformMatrix4fv(DPSOFTRAST_UNIFORM_ModelViewMatrixM1, 1, false, gl_modelview16f);
5383                         break;
5384                 case RENDERPATH_GL20:
5385                 case RENDERPATH_GLES2:
5386                         if (r_glsl_permutation && r_glsl_permutation->loc_ModelViewProjectionMatrix >= 0) qglUniformMatrix4fv(r_glsl_permutation->loc_ModelViewProjectionMatrix, 1, false, gl_modelviewprojection16f);
5387                         if (r_glsl_permutation && r_glsl_permutation->loc_ModelViewMatrix >= 0) qglUniformMatrix4fv(r_glsl_permutation->loc_ModelViewMatrix, 1, false, gl_modelview16f);
5388                         break;
5389                 }
5390         }
5391 }
5392
5393 void R_ResetViewRendering2D_Common(int fbo, rtexture_t *depthtexture, rtexture_t *colortexture, float x2, float y2)
5394 {
5395         r_viewport_t viewport;
5396
5397         CHECKGLERROR
5398
5399         // GL is weird because it's bottom to top, r_refdef.view.y is top to bottom
5400         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, x2, y2, -10, 100, NULL);
5401         R_Mesh_SetRenderTargets(fbo, depthtexture, colortexture, NULL, NULL, NULL);
5402         R_SetViewport(&viewport);
5403         GL_Scissor(viewport.x, viewport.y, viewport.width, viewport.height);
5404         GL_Color(1, 1, 1, 1);
5405         GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1);
5406         GL_BlendFunc(GL_ONE, GL_ZERO);
5407         GL_ScissorTest(false);
5408         GL_DepthMask(false);
5409         GL_DepthRange(0, 1);
5410         GL_DepthTest(false);
5411         GL_DepthFunc(GL_LEQUAL);
5412         R_EntityMatrix(&identitymatrix);
5413         R_Mesh_ResetTextureState();
5414         GL_PolygonOffset(0, 0);
5415         R_SetStencil(false, 255, GL_KEEP, GL_KEEP, GL_KEEP, GL_ALWAYS, 128, 255);
5416         switch(vid.renderpath)
5417         {
5418         case RENDERPATH_GL11:
5419         case RENDERPATH_GL13:
5420         case RENDERPATH_GL20:
5421         case RENDERPATH_GLES1:
5422         case RENDERPATH_GLES2:
5423                 qglEnable(GL_POLYGON_OFFSET_FILL);CHECKGLERROR
5424                 break;
5425         case RENDERPATH_D3D9:
5426         case RENDERPATH_D3D10:
5427         case RENDERPATH_D3D11:
5428         case RENDERPATH_SOFT:
5429                 break;
5430         }
5431         GL_CullFace(GL_NONE);
5432
5433         CHECKGLERROR
5434 }
5435
5436 void R_ResetViewRendering2D(int fbo, rtexture_t *depthtexture, rtexture_t *colortexture)
5437 {
5438         DrawQ_Finish();
5439
5440         R_ResetViewRendering2D_Common(fbo, depthtexture, colortexture, 1, 1);
5441 }
5442
5443 void R_ResetViewRendering3D(int fbo, rtexture_t *depthtexture, rtexture_t *colortexture)
5444 {
5445         DrawQ_Finish();
5446
5447         R_SetupView(true, fbo, depthtexture, colortexture);
5448         GL_Scissor(r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height);
5449         GL_Color(1, 1, 1, 1);
5450         GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1);
5451         GL_BlendFunc(GL_ONE, GL_ZERO);
5452         GL_ScissorTest(true);
5453         GL_DepthMask(true);
5454         GL_DepthRange(0, 1);
5455         GL_DepthTest(true);
5456         GL_DepthFunc(GL_LEQUAL);
5457         R_EntityMatrix(&identitymatrix);
5458         R_Mesh_ResetTextureState();
5459         GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
5460         R_SetStencil(false, 255, GL_KEEP, GL_KEEP, GL_KEEP, GL_ALWAYS, 128, 255);
5461         switch(vid.renderpath)
5462         {
5463         case RENDERPATH_GL11:
5464         case RENDERPATH_GL13:
5465         case RENDERPATH_GL20:
5466         case RENDERPATH_GLES1:
5467         case RENDERPATH_GLES2:
5468                 qglEnable(GL_POLYGON_OFFSET_FILL);CHECKGLERROR
5469                 break;
5470         case RENDERPATH_D3D9:
5471         case RENDERPATH_D3D10:
5472         case RENDERPATH_D3D11:
5473         case RENDERPATH_SOFT:
5474                 break;
5475         }
5476         GL_CullFace(r_refdef.view.cullface_back);
5477 }
5478
5479 /*
5480 ================
5481 R_RenderView_UpdateViewVectors
5482 ================
5483 */
5484 void R_RenderView_UpdateViewVectors(void)
5485 {
5486         // break apart the view matrix into vectors for various purposes
5487         // it is important that this occurs outside the RenderScene function because that can be called from reflection renders, where the vectors come out wrong
5488         // however the r_refdef.view.origin IS updated in RenderScene intentionally - otherwise the sky renders at the wrong origin, etc
5489         Matrix4x4_ToVectors(&r_refdef.view.matrix, r_refdef.view.forward, r_refdef.view.left, r_refdef.view.up, r_refdef.view.origin);
5490         VectorNegate(r_refdef.view.left, r_refdef.view.right);
5491         // make an inverted copy of the view matrix for tracking sprites
5492         Matrix4x4_Invert_Simple(&r_refdef.view.inverse_matrix, &r_refdef.view.matrix);
5493 }
5494
5495 void R_RenderScene(int fbo, rtexture_t *depthtexture, rtexture_t *colortexture);
5496 void R_RenderWaterPlanes(int fbo, rtexture_t *depthtexture, rtexture_t *colortexture);
5497
5498 static void R_Water_StartFrame(void)
5499 {
5500         int i;
5501         int waterwidth, waterheight, texturewidth, textureheight, camerawidth, cameraheight;
5502         r_waterstate_waterplane_t *p;
5503         qboolean usewaterfbo = (r_viewfbo.integer >= 1 || r_water_fbo.integer >= 1) && vid.support.ext_framebuffer_object && vid.samples < 2;
5504
5505         if (vid.width > (int)vid.maxtexturesize_2d || vid.height > (int)vid.maxtexturesize_2d)
5506                 return;
5507
5508         switch(vid.renderpath)
5509         {
5510         case RENDERPATH_GL20:
5511         case RENDERPATH_D3D9:
5512         case RENDERPATH_D3D10:
5513         case RENDERPATH_D3D11:
5514         case RENDERPATH_SOFT:
5515         case RENDERPATH_GLES2:
5516                 break;
5517         case RENDERPATH_GL11:
5518         case RENDERPATH_GL13:
5519         case RENDERPATH_GLES1:
5520                 return;
5521         }
5522
5523         // set waterwidth and waterheight to the water resolution that will be
5524         // used (often less than the screen resolution for faster rendering)
5525         R_GetScaledViewSize(bound(1, vid.width * r_water_resolutionmultiplier.value, vid.width), bound(1, vid.height * r_water_resolutionmultiplier.value, vid.height), &waterwidth, &waterheight);
5526
5527         // calculate desired texture sizes
5528         // can't use water if the card does not support the texture size
5529         if (!r_water.integer || r_showsurfaces.integer)
5530                 texturewidth = textureheight = waterwidth = waterheight = camerawidth = cameraheight = 0;
5531         else if (vid.support.arb_texture_non_power_of_two)
5532         {
5533                 texturewidth = waterwidth;
5534                 textureheight = waterheight;
5535                 camerawidth = waterwidth;
5536                 cameraheight = waterheight;
5537         }
5538         else
5539         {
5540                 for (texturewidth   = 1;texturewidth   < waterwidth ;texturewidth   *= 2);
5541                 for (textureheight  = 1;textureheight  < waterheight;textureheight  *= 2);
5542                 for (camerawidth    = 1;camerawidth   <= waterwidth; camerawidth    *= 2); camerawidth  /= 2;
5543                 for (cameraheight   = 1;cameraheight  <= waterheight;cameraheight   *= 2); cameraheight /= 2;
5544         }
5545
5546         // allocate textures as needed
5547         if (r_fb.water.texturewidth != texturewidth || r_fb.water.textureheight != textureheight || r_fb.water.camerawidth != camerawidth || r_fb.water.cameraheight != cameraheight || (r_fb.depthtexture && !usewaterfbo))
5548         {
5549                 r_fb.water.maxwaterplanes = MAX_WATERPLANES;
5550                 for (i = 0, p = r_fb.water.waterplanes;i < r_fb.water.maxwaterplanes;i++, p++)
5551                 {
5552                         if (p->texture_refraction)
5553                                 R_FreeTexture(p->texture_refraction);
5554                         p->texture_refraction = NULL;
5555                         if (p->fbo_refraction)
5556                                 R_Mesh_DestroyFramebufferObject(p->fbo_refraction);
5557                         p->fbo_refraction = 0;
5558                         if (p->texture_reflection)
5559                                 R_FreeTexture(p->texture_reflection);
5560                         p->texture_reflection = NULL;
5561                         if (p->fbo_reflection)
5562                                 R_Mesh_DestroyFramebufferObject(p->fbo_reflection);
5563                         p->fbo_reflection = 0;
5564                         if (p->texture_camera)
5565                                 R_FreeTexture(p->texture_camera);
5566                         p->texture_camera = NULL;
5567                         if (p->fbo_camera)
5568                                 R_Mesh_DestroyFramebufferObject(p->fbo_camera);
5569                         p->fbo_camera = 0;
5570                 }
5571                 memset(&r_fb.water, 0, sizeof(r_fb.water));
5572                 r_fb.water.texturewidth = texturewidth;
5573                 r_fb.water.textureheight = textureheight;
5574                 r_fb.water.camerawidth = camerawidth;
5575                 r_fb.water.cameraheight = cameraheight;
5576         }
5577
5578         if (r_fb.water.texturewidth)
5579         {
5580                 int scaledwidth, scaledheight;
5581
5582                 r_fb.water.enabled = true;
5583
5584                 // water resolution is usually reduced
5585                 r_fb.water.waterwidth = (int)bound(1, r_refdef.view.width * r_water_resolutionmultiplier.value, r_refdef.view.width);
5586                 r_fb.water.waterheight = (int)bound(1, r_refdef.view.height * r_water_resolutionmultiplier.value, r_refdef.view.height);
5587                 R_GetScaledViewSize(r_fb.water.waterwidth, r_fb.water.waterheight, &scaledwidth, &scaledheight);
5588
5589                 // set up variables that will be used in shader setup
5590                 r_fb.water.screenscale[0] = 0.5f * (float)scaledwidth / (float)r_fb.water.texturewidth;
5591                 r_fb.water.screenscale[1] = 0.5f * (float)scaledheight / (float)r_fb.water.textureheight;
5592                 r_fb.water.screencenter[0] = 0.5f * (float)scaledwidth / (float)r_fb.water.texturewidth;
5593                 r_fb.water.screencenter[1] = 0.5f * (float)scaledheight / (float)r_fb.water.textureheight;
5594         }
5595
5596         r_fb.water.maxwaterplanes = MAX_WATERPLANES;
5597         r_fb.water.numwaterplanes = 0;
5598 }
5599
5600 void R_Water_AddWaterPlane(msurface_t *surface, int entno)
5601 {
5602         int planeindex, bestplaneindex, vertexindex;
5603         vec3_t mins, maxs, normal, center, v, n;
5604         vec_t planescore, bestplanescore;
5605         mplane_t plane;
5606         r_waterstate_waterplane_t *p;
5607         texture_t *t = R_GetCurrentTexture(surface->texture);
5608
5609         rsurface.texture = t;
5610         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_NOGAPS, 1, ((const msurface_t **)&surface));
5611         // if the model has no normals, it's probably off-screen and they were not generated, so don't add it anyway
5612         if (!rsurface.batchnormal3f || rsurface.batchnumvertices < 1)
5613                 return;
5614         // average the vertex normals, find the surface bounds (after deformvertexes)
5615         Matrix4x4_Transform(&rsurface.matrix, rsurface.batchvertex3f, v);
5616         Matrix4x4_Transform3x3(&rsurface.matrix, rsurface.batchnormal3f, n);
5617         VectorCopy(n, normal);
5618         VectorCopy(v, mins);
5619         VectorCopy(v, maxs);
5620         for (vertexindex = 1;vertexindex < rsurface.batchnumvertices;vertexindex++)
5621         {
5622                 Matrix4x4_Transform(&rsurface.matrix, rsurface.batchvertex3f + vertexindex*3, v);
5623                 Matrix4x4_Transform3x3(&rsurface.matrix, rsurface.batchnormal3f + vertexindex*3, n);
5624                 VectorAdd(normal, n, normal);
5625                 mins[0] = min(mins[0], v[0]);
5626                 mins[1] = min(mins[1], v[1]);
5627                 mins[2] = min(mins[2], v[2]);
5628                 maxs[0] = max(maxs[0], v[0]);
5629                 maxs[1] = max(maxs[1], v[1]);
5630                 maxs[2] = max(maxs[2], v[2]);
5631         }
5632         VectorNormalize(normal);
5633         VectorMAM(0.5f, mins, 0.5f, maxs, center);
5634
5635         VectorCopy(normal, plane.normal);
5636         VectorNormalize(plane.normal);
5637         plane.dist = DotProduct(center, plane.normal);
5638         PlaneClassify(&plane);
5639         if (PlaneDiff(r_refdef.view.origin, &plane) < 0)
5640         {
5641                 // skip backfaces (except if nocullface is set)
5642 //              if (!(t->currentmaterialflags & MATERIALFLAG_NOCULLFACE))
5643 //                      return;
5644                 VectorNegate(plane.normal, plane.normal);
5645                 plane.dist *= -1;
5646                 PlaneClassify(&plane);
5647         }
5648
5649
5650         // find a matching plane if there is one
5651         bestplaneindex = -1;
5652         bestplanescore = 1048576.0f;
5653         for (planeindex = 0, p = r_fb.water.waterplanes;planeindex < r_fb.water.numwaterplanes;planeindex++, p++)
5654         {
5655                 if(p->camera_entity == t->camera_entity)
5656                 {
5657                         planescore = 1.0f - DotProduct(plane.normal, p->plane.normal) + fabs(plane.dist - p->plane.dist) * 0.001f;
5658                         if (bestplaneindex < 0 || bestplanescore > planescore)
5659                         {
5660                                 bestplaneindex = planeindex;
5661                                 bestplanescore = planescore;
5662                         }
5663                 }
5664         }
5665         planeindex = bestplaneindex;
5666         p = r_fb.water.waterplanes + planeindex;
5667
5668         // if this surface does not fit any known plane rendered this frame, add one
5669         if ((planeindex < 0 || bestplanescore > 0.001f) && r_fb.water.numwaterplanes < r_fb.water.maxwaterplanes)
5670         {
5671                 // store the new plane
5672                 planeindex = r_fb.water.numwaterplanes++;
5673                 p = r_fb.water.waterplanes + planeindex;
5674                 p->plane = plane;
5675                 // clear materialflags and pvs
5676                 p->materialflags = 0;
5677                 p->pvsvalid = false;
5678                 p->camera_entity = t->camera_entity;
5679                 VectorCopy(mins, p->mins);
5680                 VectorCopy(maxs, p->maxs);
5681         }
5682         else
5683         {
5684                 // merge mins/maxs when we're adding this surface to the plane
5685                 p->mins[0] = min(p->mins[0], mins[0]);
5686                 p->mins[1] = min(p->mins[1], mins[1]);
5687                 p->mins[2] = min(p->mins[2], mins[2]);
5688                 p->maxs[0] = max(p->maxs[0], maxs[0]);
5689                 p->maxs[1] = max(p->maxs[1], maxs[1]);
5690                 p->maxs[2] = max(p->maxs[2], maxs[2]);
5691         }
5692         // merge this surface's materialflags into the waterplane
5693         p->materialflags |= t->currentmaterialflags;
5694         if(!(p->materialflags & MATERIALFLAG_CAMERA))
5695         {
5696                 // merge this surface's PVS into the waterplane
5697                 if (p->materialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_REFLECTION | MATERIALFLAG_CAMERA) && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.FatPVS
5698                  && r_refdef.scene.worldmodel->brush.PointInLeaf && r_refdef.scene.worldmodel->brush.PointInLeaf(r_refdef.scene.worldmodel, center)->clusterindex >= 0)
5699                 {
5700                         r_refdef.scene.worldmodel->brush.FatPVS(r_refdef.scene.worldmodel, center, 2, p->pvsbits, sizeof(p->pvsbits), p->pvsvalid);
5701                         p->pvsvalid = true;
5702                 }
5703         }
5704 }
5705
5706 extern cvar_t r_drawparticles;
5707 extern cvar_t r_drawdecals;
5708
5709 static void R_Water_ProcessPlanes(int fbo, rtexture_t *depthtexture, rtexture_t *colortexture)
5710 {
5711         int myscissor[4];
5712         r_refdef_view_t originalview;
5713         r_refdef_view_t myview;
5714         int planeindex, qualityreduction = 0, old_r_dynamic = 0, old_r_shadows = 0, old_r_worldrtlight = 0, old_r_dlight = 0, old_r_particles = 0, old_r_decals = 0;
5715         r_waterstate_waterplane_t *p;
5716         vec3_t visorigin;
5717         qboolean usewaterfbo = (r_viewfbo.integer >= 1 || r_water_fbo.integer >= 1) && vid.support.ext_framebuffer_object && vid.samples < 2;
5718         char vabuf[1024];
5719
5720         originalview = r_refdef.view;
5721
5722         // lowquality hack, temporarily shut down some cvars and restore afterwards
5723         qualityreduction = r_water_lowquality.integer;
5724         if (qualityreduction > 0)
5725         {
5726                 if (qualityreduction >= 1)
5727                 {
5728                         old_r_shadows = r_shadows.integer;
5729                         old_r_worldrtlight = r_shadow_realtime_world.integer;
5730                         old_r_dlight = r_shadow_realtime_dlight.integer;
5731                         Cvar_SetValueQuick(&r_shadows, 0);
5732                         Cvar_SetValueQuick(&r_shadow_realtime_world, 0);
5733                         Cvar_SetValueQuick(&r_shadow_realtime_dlight, 0);
5734                 }
5735                 if (qualityreduction >= 2)
5736                 {
5737                         old_r_dynamic = r_dynamic.integer;
5738                         old_r_particles = r_drawparticles.integer;
5739                         old_r_decals = r_drawdecals.integer;
5740                         Cvar_SetValueQuick(&r_dynamic, 0);
5741                         Cvar_SetValueQuick(&r_drawparticles, 0);
5742                         Cvar_SetValueQuick(&r_drawdecals, 0);
5743                 }
5744         }
5745
5746         // make sure enough textures are allocated
5747         for (planeindex = 0, p = r_fb.water.waterplanes;planeindex < r_fb.water.numwaterplanes;planeindex++, p++)
5748         {
5749                 if (p->materialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION))
5750                 {
5751                         if (!p->texture_refraction)
5752                                 p->texture_refraction = R_LoadTexture2D(r_main_texturepool, va(vabuf, sizeof(vabuf), "waterplane%i_refraction", planeindex), r_fb.water.texturewidth, r_fb.water.textureheight, NULL, r_fb.textype, TEXF_RENDERTARGET | TEXF_FORCELINEAR | TEXF_CLAMP, -1, NULL);
5753                         if (!p->texture_refraction)
5754                                 goto error;
5755                         if (usewaterfbo)
5756                         {
5757                                 if (r_fb.water.depthtexture == NULL)
5758                                         r_fb.water.depthtexture = R_LoadTextureRenderBuffer(r_main_texturepool, "waterviewdepth", r_fb.water.texturewidth, r_fb.water.textureheight, TEXTYPE_DEPTHBUFFER24STENCIL8);
5759                                 if (p->fbo_refraction == 0)
5760                                         p->fbo_refraction = R_Mesh_CreateFramebufferObject(r_fb.water.depthtexture, p->texture_refraction, NULL, NULL, NULL);
5761                         }
5762                 }
5763                 else if (p->materialflags & MATERIALFLAG_CAMERA)
5764                 {
5765                         if (!p->texture_camera)
5766                                 p->texture_camera = R_LoadTexture2D(r_main_texturepool, va(vabuf, sizeof(vabuf), "waterplane%i_camera", planeindex), r_fb.water.camerawidth, r_fb.water.cameraheight, NULL, r_fb.textype, TEXF_RENDERTARGET | TEXF_FORCELINEAR, -1, NULL);
5767                         if (!p->texture_camera)
5768                                 goto error;
5769                         if (usewaterfbo)
5770                         {
5771                                 if (r_fb.water.depthtexture == NULL)
5772                                         r_fb.water.depthtexture = R_LoadTextureRenderBuffer(r_main_texturepool, "waterviewdepth", r_fb.water.texturewidth, r_fb.water.textureheight, TEXTYPE_DEPTHBUFFER24STENCIL8);
5773                                 if (p->fbo_camera == 0)
5774                                         p->fbo_camera = R_Mesh_CreateFramebufferObject(r_fb.water.depthtexture, p->texture_camera, NULL, NULL, NULL);
5775                         }
5776                 }
5777
5778                 if (p->materialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFLECTION))
5779                 {
5780                         if (!p->texture_reflection)
5781                                 p->texture_reflection = R_LoadTexture2D(r_main_texturepool, va(vabuf, sizeof(vabuf), "waterplane%i_reflection", planeindex), r_fb.water.texturewidth, r_fb.water.textureheight, NULL, r_fb.textype, TEXF_RENDERTARGET | TEXF_FORCELINEAR | TEXF_CLAMP, -1, NULL);
5782                         if (!p->texture_reflection)
5783                                 goto error;
5784                         if (usewaterfbo)
5785                         {
5786                                 if (r_fb.water.depthtexture == NULL)
5787                                         r_fb.water.depthtexture = R_LoadTextureRenderBuffer(r_main_texturepool, "waterviewdepth", r_fb.water.texturewidth, r_fb.water.textureheight, TEXTYPE_DEPTHBUFFER24STENCIL8);
5788                                 if (p->fbo_reflection == 0)
5789                                         p->fbo_reflection = R_Mesh_CreateFramebufferObject(r_fb.water.depthtexture, p->texture_reflection, NULL, NULL, NULL);
5790                         }
5791                 }
5792         }
5793
5794         // render views
5795         r_refdef.view = originalview;
5796         r_refdef.view.showdebug = false;
5797         r_refdef.view.width = r_fb.water.waterwidth;
5798         r_refdef.view.height = r_fb.water.waterheight;
5799         r_refdef.view.useclipplane = true;
5800         myview = r_refdef.view;
5801         r_fb.water.renderingscene = true;
5802         for (planeindex = 0, p = r_fb.water.waterplanes;planeindex < r_fb.water.numwaterplanes;planeindex++, p++)
5803         {
5804                 if (p->materialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFLECTION))
5805                 {
5806                         r_refdef.view = myview;
5807                         if(r_water_scissormode.integer)
5808                         {
5809                                 R_SetupView(true, p->fbo_reflection, r_fb.water.depthtexture, p->texture_reflection);
5810                                 if(R_ScissorForBBox(p->mins, p->maxs, myscissor))
5811                                         continue; // FIXME the plane then still may get rendered but with broken texture, but it sure won't be visible
5812                         }
5813
5814                         // render reflected scene and copy into texture
5815                         Matrix4x4_Reflect(&r_refdef.view.matrix, p->plane.normal[0], p->plane.normal[1], p->plane.normal[2], p->plane.dist, -2);
5816                         // update the r_refdef.view.origin because otherwise the sky renders at the wrong location (amongst other problems)
5817                         Matrix4x4_OriginFromMatrix(&r_refdef.view.matrix, r_refdef.view.origin);
5818                         r_refdef.view.clipplane = p->plane;
5819                         // reverse the cullface settings for this render
5820                         r_refdef.view.cullface_front = GL_FRONT;
5821                         r_refdef.view.cullface_back = GL_BACK;
5822                         if (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.num_pvsclusterbytes)
5823                         {
5824                                 r_refdef.view.usecustompvs = true;
5825                                 if (p->pvsvalid)
5826                                         memcpy(r_refdef.viewcache.world_pvsbits, p->pvsbits, r_refdef.scene.worldmodel->brush.num_pvsclusterbytes);
5827                                 else
5828                                         memset(r_refdef.viewcache.world_pvsbits, 0xFF, r_refdef.scene.worldmodel->brush.num_pvsclusterbytes);
5829                         }
5830
5831                         r_fb.water.hideplayer = r_water_hideplayer.integer >= 2;
5832                         R_ResetViewRendering3D(p->fbo_reflection, r_fb.water.depthtexture, p->texture_reflection);
5833                         R_ClearScreen(r_refdef.fogenabled);
5834                         if(r_water_scissormode.integer & 2)
5835                                 R_View_UpdateWithScissor(myscissor);
5836                         else
5837                                 R_View_Update();
5838                         if(r_water_scissormode.integer & 1)
5839                                 GL_Scissor(myscissor[0], myscissor[1], myscissor[2], myscissor[3]);
5840                         R_RenderScene(p->fbo_reflection, r_fb.water.depthtexture, p->texture_reflection);
5841
5842                         if (!p->fbo_reflection)
5843                                 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);
5844                         r_fb.water.hideplayer = false;
5845                 }
5846
5847                 // render the normal view scene and copy into texture
5848                 // (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)
5849                 if (p->materialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION))
5850                 {
5851                         r_refdef.view = myview;
5852                         if(r_water_scissormode.integer)
5853                         {
5854                                 R_SetupView(true, p->fbo_refraction, r_fb.water.depthtexture, p->texture_refraction);
5855                                 if(R_ScissorForBBox(p->mins, p->maxs, myscissor))
5856                                         continue; // FIXME the plane then still may get rendered but with broken texture, but it sure won't be visible
5857                         }
5858
5859                         r_fb.water.hideplayer = r_water_hideplayer.integer >= 1;
5860
5861                         r_refdef.view.clipplane = p->plane;
5862                         VectorNegate(r_refdef.view.clipplane.normal, r_refdef.view.clipplane.normal);
5863                         r_refdef.view.clipplane.dist = -r_refdef.view.clipplane.dist;
5864
5865                         if((p->materialflags & MATERIALFLAG_CAMERA) && p->camera_entity)
5866                         {
5867                                 // we need to perform a matrix transform to render the view... so let's get the transformation matrix
5868                                 r_fb.water.hideplayer = false; // we don't want to hide the player model from these ones
5869                                 CL_VM_TransformView(p->camera_entity - MAX_EDICTS, &r_refdef.view.matrix, &r_refdef.view.clipplane, visorigin);
5870                                 R_RenderView_UpdateViewVectors();
5871                                 if(r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.FatPVS)
5872                                 {
5873                                         r_refdef.view.usecustompvs = true;
5874                                         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);
5875                                 }
5876                         }
5877
5878                         PlaneClassify(&r_refdef.view.clipplane);
5879
5880                         R_ResetViewRendering3D(p->fbo_refraction, r_fb.water.depthtexture, p->texture_refraction);
5881                         R_ClearScreen(r_refdef.fogenabled);
5882                         if(r_water_scissormode.integer & 2)
5883                                 R_View_UpdateWithScissor(myscissor);
5884                         else
5885                                 R_View_Update();
5886                         if(r_water_scissormode.integer & 1)
5887                                 GL_Scissor(myscissor[0], myscissor[1], myscissor[2], myscissor[3]);
5888                         R_RenderScene(p->fbo_refraction, r_fb.water.depthtexture, p->texture_refraction);
5889
5890                         if (!p->fbo_refraction)
5891                                 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);
5892                         r_fb.water.hideplayer = false;
5893                 }
5894                 else if (p->materialflags & MATERIALFLAG_CAMERA)
5895                 {
5896                         r_refdef.view = myview;
5897
5898                         r_refdef.view.clipplane = p->plane;
5899                         VectorNegate(r_refdef.view.clipplane.normal, r_refdef.view.clipplane.normal);
5900                         r_refdef.view.clipplane.dist = -r_refdef.view.clipplane.dist;
5901
5902                         r_refdef.view.width = r_fb.water.camerawidth;
5903                         r_refdef.view.height = r_fb.water.cameraheight;
5904                         r_refdef.view.frustum_x = 1; // tan(45 * M_PI / 180.0);
5905                         r_refdef.view.frustum_y = 1; // tan(45 * M_PI / 180.0);
5906                         r_refdef.view.ortho_x = 90; // abused as angle by VM_CL_R_SetView
5907                         r_refdef.view.ortho_y = 90; // abused as angle by VM_CL_R_SetView
5908
5909                         if(p->camera_entity)
5910                         {
5911                                 // we need to perform a matrix transform to render the view... so let's get the transformation matrix
5912                                 CL_VM_TransformView(p->camera_entity - MAX_EDICTS, &r_refdef.view.matrix, &r_refdef.view.clipplane, visorigin);
5913                         }
5914
5915                         // note: all of the view is used for displaying... so
5916                         // there is no use in scissoring
5917
5918                         // reverse the cullface settings for this render
5919                         r_refdef.view.cullface_front = GL_FRONT;
5920                         r_refdef.view.cullface_back = GL_BACK;
5921                         // also reverse the view matrix
5922                         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
5923                         R_RenderView_UpdateViewVectors();
5924                         if(p->camera_entity && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.FatPVS)
5925                         {
5926                                 r_refdef.view.usecustompvs = true;
5927                                 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);
5928                         }
5929
5930                         // camera needs no clipplane
5931                         r_refdef.view.useclipplane = false;
5932
5933                         PlaneClassify(&r_refdef.view.clipplane);
5934
5935                         r_fb.water.hideplayer = false;
5936
5937                         R_ResetViewRendering3D(p->fbo_camera, r_fb.water.depthtexture, p->texture_camera);
5938                         R_ClearScreen(r_refdef.fogenabled);
5939                         R_View_Update();
5940                         R_RenderScene(p->fbo_camera, r_fb.water.depthtexture, p->texture_camera);
5941
5942                         if (!p->fbo_camera)
5943                                 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);
5944                         r_fb.water.hideplayer = false;
5945                 }
5946
5947         }
5948         if(vid.renderpath==RENDERPATH_SOFT) DPSOFTRAST_ClipPlane(0, 0, 0, 1);
5949         r_fb.water.renderingscene = false;
5950         r_refdef.view = originalview;
5951         R_ResetViewRendering3D(fbo, depthtexture, colortexture);
5952         if (!r_fb.water.depthtexture)
5953                 R_ClearScreen(r_refdef.fogenabled);
5954         R_View_Update();
5955         goto finish;
5956 error:
5957         r_refdef.view = originalview;
5958         r_fb.water.renderingscene = false;
5959         Cvar_SetValueQuick(&r_water, 0);
5960         Con_Printf("R_Water_ProcessPlanes: Error: texture creation failed!  Turned off r_water.\n");
5961 finish:
5962         // lowquality hack, restore cvars
5963         if (qualityreduction > 0)
5964         {
5965                 if (qualityreduction >= 1)
5966                 {
5967                         Cvar_SetValueQuick(&r_shadows, old_r_shadows);
5968                         Cvar_SetValueQuick(&r_shadow_realtime_world, old_r_worldrtlight);
5969                         Cvar_SetValueQuick(&r_shadow_realtime_dlight, old_r_dlight);
5970                 }
5971                 if (qualityreduction >= 2)
5972                 {
5973                         Cvar_SetValueQuick(&r_dynamic, old_r_dynamic);
5974                         Cvar_SetValueQuick(&r_drawparticles, old_r_particles);
5975                         Cvar_SetValueQuick(&r_drawdecals, old_r_decals);
5976                 }
5977         }
5978 }
5979
5980 static void R_Bloom_StartFrame(void)
5981 {
5982         int i;
5983         int bloomtexturewidth, bloomtextureheight, screentexturewidth, screentextureheight;
5984         int viewwidth, viewheight;
5985         qboolean useviewfbo = r_viewfbo.integer >= 1 && vid.support.ext_framebuffer_object && vid.samples < 2;
5986         textype_t textype = TEXTYPE_COLORBUFFER;
5987
5988         switch (vid.renderpath)
5989         {
5990         case RENDERPATH_GL20:
5991                 r_fb.usedepthtextures = r_usedepthtextures.integer != 0;
5992                 if (vid.support.ext_framebuffer_object)
5993                 {
5994                         if (r_viewfbo.integer == 2) textype = TEXTYPE_COLORBUFFER16F;
5995                         if (r_viewfbo.integer == 3) textype = TEXTYPE_COLORBUFFER32F;
5996                 }
5997                 break;
5998         case RENDERPATH_GL11:
5999         case RENDERPATH_GL13:
6000         case RENDERPATH_GLES1:
6001         case RENDERPATH_GLES2:
6002         case RENDERPATH_D3D9:
6003         case RENDERPATH_D3D10:
6004         case RENDERPATH_D3D11:
6005                 r_fb.usedepthtextures = false;
6006                 break;
6007         case RENDERPATH_SOFT:
6008                 r_fb.usedepthtextures = true;
6009                 break;
6010         }
6011
6012         if (r_viewscale_fpsscaling.integer)
6013         {
6014                 double actualframetime;
6015                 double targetframetime;
6016                 double adjust;
6017                 actualframetime = r_refdef.lastdrawscreentime;
6018                 targetframetime = (1.0 / r_viewscale_fpsscaling_target.value);
6019                 adjust = (targetframetime - actualframetime) * r_viewscale_fpsscaling_multiply.value;
6020                 adjust = bound(-r_viewscale_fpsscaling_stepmax.value, adjust, r_viewscale_fpsscaling_stepmax.value);
6021                 if (r_viewscale_fpsscaling_stepsize.value > 0)
6022                         adjust = (int)(adjust / r_viewscale_fpsscaling_stepsize.value) * r_viewscale_fpsscaling_stepsize.value;
6023                 viewscalefpsadjusted += adjust;
6024                 viewscalefpsadjusted = bound(r_viewscale_fpsscaling_min.value, viewscalefpsadjusted, 1.0f);
6025         }
6026         else
6027                 viewscalefpsadjusted = 1.0f;
6028
6029         R_GetScaledViewSize(r_refdef.view.width, r_refdef.view.height, &viewwidth, &viewheight);
6030
6031         switch(vid.renderpath)
6032         {
6033         case RENDERPATH_GL20:
6034         case RENDERPATH_D3D9:
6035         case RENDERPATH_D3D10:
6036         case RENDERPATH_D3D11:
6037         case RENDERPATH_SOFT:
6038         case RENDERPATH_GLES2:
6039                 break;
6040         case RENDERPATH_GL11:
6041         case RENDERPATH_GL13:
6042         case RENDERPATH_GLES1:
6043                 return;
6044         }
6045
6046         // set bloomwidth and bloomheight to the bloom resolution that will be
6047         // used (often less than the screen resolution for faster rendering)
6048         r_fb.bloomwidth = bound(1, r_bloom_resolution.integer, vid.height);
6049         r_fb.bloomheight = r_fb.bloomwidth * vid.height / vid.width;
6050         r_fb.bloomheight = bound(1, r_fb.bloomheight, vid.height);
6051         r_fb.bloomwidth = bound(1, r_fb.bloomwidth, (int)vid.maxtexturesize_2d);
6052         r_fb.bloomheight = bound(1, r_fb.bloomheight, (int)vid.maxtexturesize_2d);
6053
6054         // calculate desired texture sizes
6055         if (vid.support.arb_texture_non_power_of_two)
6056         {
6057                 screentexturewidth = vid.width;
6058                 screentextureheight = vid.height;
6059                 bloomtexturewidth = r_fb.bloomwidth;
6060                 bloomtextureheight = r_fb.bloomheight;
6061         }
6062         else
6063         {
6064                 for (screentexturewidth  = 1;screentexturewidth  < vid.width       ;screentexturewidth  *= 2);
6065                 for (screentextureheight = 1;screentextureheight < vid.height      ;screentextureheight *= 2);
6066                 for (bloomtexturewidth   = 1;bloomtexturewidth   < r_fb.bloomwidth ;bloomtexturewidth   *= 2);
6067                 for (bloomtextureheight  = 1;bloomtextureheight  < r_fb.bloomheight;bloomtextureheight  *= 2);
6068         }
6069
6070         if ((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))
6071         {
6072                 Cvar_SetValueQuick(&r_bloom, 0);
6073                 Cvar_SetValueQuick(&r_motionblur, 0);
6074                 Cvar_SetValueQuick(&r_damageblur, 0);
6075         }
6076
6077         if (!(r_glsl_postprocess.integer || (!R_Stereo_ColorMasking() && r_glsl_saturation.value != 1) || (v_glslgamma.integer && !vid_gammatables_trivial))
6078          && !r_bloom.integer
6079          && (R_Stereo_Active() || (r_motionblur.value <= 0 && r_damageblur.value <= 0))
6080          && !useviewfbo
6081          && r_viewscale.value == 1.0f
6082          && !r_viewscale_fpsscaling.integer)
6083                 screentexturewidth = screentextureheight = 0;
6084         if (!r_bloom.integer)
6085                 bloomtexturewidth = bloomtextureheight = 0;
6086
6087         // allocate textures as needed
6088         if (r_fb.screentexturewidth != screentexturewidth
6089          || r_fb.screentextureheight != screentextureheight
6090          || r_fb.bloomtexturewidth != bloomtexturewidth
6091          || r_fb.bloomtextureheight != bloomtextureheight
6092          || r_fb.textype != textype
6093          || useviewfbo != (r_fb.fbo != 0))
6094         {
6095                 for (i = 0;i < (int)(sizeof(r_fb.bloomtexture)/sizeof(r_fb.bloomtexture[i]));i++)
6096                 {
6097                         if (r_fb.bloomtexture[i])
6098                                 R_FreeTexture(r_fb.bloomtexture[i]);
6099                         r_fb.bloomtexture[i] = NULL;
6100
6101                         if (r_fb.bloomfbo[i])
6102                                 R_Mesh_DestroyFramebufferObject(r_fb.bloomfbo[i]);
6103                         r_fb.bloomfbo[i] = 0;
6104                 }
6105
6106                 if (r_fb.fbo)
6107                         R_Mesh_DestroyFramebufferObject(r_fb.fbo);
6108                 r_fb.fbo = 0;
6109
6110                 if (r_fb.colortexture)
6111                         R_FreeTexture(r_fb.colortexture);
6112                 r_fb.colortexture = NULL;
6113
6114                 if (r_fb.depthtexture)
6115                         R_FreeTexture(r_fb.depthtexture);
6116                 r_fb.depthtexture = NULL;
6117
6118                 if (r_fb.ghosttexture)
6119                         R_FreeTexture(r_fb.ghosttexture);
6120                 r_fb.ghosttexture = NULL;
6121
6122                 r_fb.screentexturewidth = screentexturewidth;
6123                 r_fb.screentextureheight = screentextureheight;
6124                 r_fb.bloomtexturewidth = bloomtexturewidth;
6125                 r_fb.bloomtextureheight = bloomtextureheight;
6126                 r_fb.textype = textype;
6127
6128                 if (r_fb.screentexturewidth && r_fb.screentextureheight)
6129                 {
6130                         if (r_motionblur.value > 0 || r_damageblur.value > 0)
6131                                 r_fb.ghosttexture = R_LoadTexture2D(r_main_texturepool, "framebuffermotionblur", r_fb.screentexturewidth, r_fb.screentextureheight, NULL, r_fb.textype, TEXF_RENDERTARGET | TEXF_FORCELINEAR | TEXF_CLAMP, -1, NULL);
6132                         r_fb.ghosttexture_valid = false;
6133                         r_fb.colortexture = R_LoadTexture2D(r_main_texturepool, "framebuffercolor", r_fb.screentexturewidth, r_fb.screentextureheight, NULL, r_fb.textype, TEXF_RENDERTARGET | TEXF_FORCELINEAR | TEXF_CLAMP, -1, NULL);
6134                         if (useviewfbo)
6135                         {
6136                                 r_fb.depthtexture = R_LoadTextureRenderBuffer(r_main_texturepool, "framebufferdepth", r_fb.screentexturewidth, r_fb.screentextureheight, TEXTYPE_DEPTHBUFFER24STENCIL8);
6137                                 r_fb.fbo = R_Mesh_CreateFramebufferObject(r_fb.depthtexture, r_fb.colortexture, NULL, NULL, NULL);
6138                                 R_Mesh_SetRenderTargets(r_fb.fbo, r_fb.depthtexture, r_fb.colortexture, NULL, NULL, NULL);
6139                         }
6140                 }
6141
6142                 if (r_fb.bloomtexturewidth && r_fb.bloomtextureheight)
6143                 {
6144                         for (i = 0;i < (int)(sizeof(r_fb.bloomtexture)/sizeof(r_fb.bloomtexture[i]));i++)
6145                         {
6146                                 r_fb.bloomtexture[i] = R_LoadTexture2D(r_main_texturepool, "framebufferbloom", r_fb.bloomtexturewidth, r_fb.bloomtextureheight, NULL, r_fb.textype, TEXF_RENDERTARGET | TEXF_FORCELINEAR | TEXF_CLAMP, -1, NULL);
6147                                 if (useviewfbo)
6148                                         r_fb.bloomfbo[i] = R_Mesh_CreateFramebufferObject(NULL, r_fb.bloomtexture[i], NULL, NULL, NULL);
6149                         }
6150                 }
6151         }
6152
6153         // bloom texture is a different resolution
6154         r_fb.bloomwidth = bound(1, r_bloom_resolution.integer, r_refdef.view.height);
6155         r_fb.bloomheight = r_fb.bloomwidth * r_refdef.view.height / r_refdef.view.width;
6156         r_fb.bloomheight = bound(1, r_fb.bloomheight, r_refdef.view.height);
6157         r_fb.bloomwidth = bound(1, r_fb.bloomwidth, r_fb.bloomtexturewidth);
6158         r_fb.bloomheight = bound(1, r_fb.bloomheight, r_fb.bloomtextureheight);
6159
6160         // set up a texcoord array for the full resolution screen image
6161         // (we have to keep this around to copy back during final render)
6162         r_fb.screentexcoord2f[0] = 0;
6163         r_fb.screentexcoord2f[1] = (float)viewheight    / (float)r_fb.screentextureheight;
6164         r_fb.screentexcoord2f[2] = (float)viewwidth     / (float)r_fb.screentexturewidth;
6165         r_fb.screentexcoord2f[3] = (float)viewheight    / (float)r_fb.screentextureheight;
6166         r_fb.screentexcoord2f[4] = (float)viewwidth     / (float)r_fb.screentexturewidth;
6167         r_fb.screentexcoord2f[5] = 0;
6168         r_fb.screentexcoord2f[6] = 0;
6169         r_fb.screentexcoord2f[7] = 0;
6170
6171         // set up a texcoord array for the reduced resolution bloom image
6172         // (which will be additive blended over the screen image)
6173         r_fb.bloomtexcoord2f[0] = 0;
6174         r_fb.bloomtexcoord2f[1] = (float)r_fb.bloomheight / (float)r_fb.bloomtextureheight;
6175         r_fb.bloomtexcoord2f[2] = (float)r_fb.bloomwidth  / (float)r_fb.bloomtexturewidth;
6176         r_fb.bloomtexcoord2f[3] = (float)r_fb.bloomheight / (float)r_fb.bloomtextureheight;
6177         r_fb.bloomtexcoord2f[4] = (float)r_fb.bloomwidth  / (float)r_fb.bloomtexturewidth;
6178         r_fb.bloomtexcoord2f[5] = 0;
6179         r_fb.bloomtexcoord2f[6] = 0;
6180         r_fb.bloomtexcoord2f[7] = 0;
6181
6182         switch(vid.renderpath)
6183         {
6184         case RENDERPATH_GL11:
6185         case RENDERPATH_GL13:
6186         case RENDERPATH_GL20:
6187         case RENDERPATH_SOFT:
6188         case RENDERPATH_GLES1:
6189         case RENDERPATH_GLES2:
6190                 break;
6191         case RENDERPATH_D3D9:
6192         case RENDERPATH_D3D10:
6193         case RENDERPATH_D3D11:
6194                 {
6195                         int i;
6196                         for (i = 0;i < 4;i++)
6197                         {
6198                                 r_fb.screentexcoord2f[i*2+0] += 0.5f / (float)r_fb.screentexturewidth;
6199                                 r_fb.screentexcoord2f[i*2+1] += 0.5f / (float)r_fb.screentextureheight;
6200                                 r_fb.bloomtexcoord2f[i*2+0] += 0.5f / (float)r_fb.bloomtexturewidth;
6201                                 r_fb.bloomtexcoord2f[i*2+1] += 0.5f / (float)r_fb.bloomtextureheight;
6202                         }
6203                 }
6204                 break;
6205         }
6206
6207         R_Viewport_InitOrtho(&r_fb.bloomviewport, &identitymatrix, r_refdef.view.x, (r_fb.bloomfbo[0] ? r_fb.bloomtextureheight : vid.height) - r_fb.bloomheight - r_refdef.view.y, r_fb.bloomwidth, r_fb.bloomheight, 0, 0, 1, 1, -10, 100, NULL);
6208
6209         if (r_fb.fbo)
6210                 r_refdef.view.clear = true;
6211 }
6212
6213 static void R_Bloom_MakeTexture(void)
6214 {
6215         int x, range, dir;
6216         float xoffset, yoffset, r, brighten;
6217         rtexture_t *intex;
6218         float colorscale = r_bloom_colorscale.value;
6219
6220         r_refdef.stats.bloom++;
6221
6222         if (!r_fb.fbo)
6223         {
6224                 R_Mesh_CopyToTexture(r_fb.colortexture, 0, 0, r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height);
6225                 r_refdef.stats.bloom_copypixels += r_refdef.view.viewport.width * r_refdef.view.viewport.height;
6226         }
6227
6228         // scale down screen texture to the bloom texture size
6229         CHECKGLERROR
6230         r_fb.bloomindex = 0;
6231         R_Mesh_SetRenderTargets(r_fb.bloomfbo[r_fb.bloomindex], NULL, r_fb.bloomtexture[r_fb.bloomindex], NULL, NULL, NULL);
6232         R_SetViewport(&r_fb.bloomviewport);
6233         GL_BlendFunc(GL_ONE, GL_ZERO);
6234         GL_Color(colorscale, colorscale, colorscale, 1);
6235         // D3D has upside down Y coords, the easiest way to flip this is to flip the screen vertices rather than the texcoords, so we just use a different array for that...
6236         switch(vid.renderpath)
6237         {
6238         case RENDERPATH_GL11:
6239         case RENDERPATH_GL13:
6240         case RENDERPATH_GL20:
6241         case RENDERPATH_GLES1:
6242         case RENDERPATH_GLES2:
6243         case RENDERPATH_SOFT:
6244                 R_Mesh_PrepareVertices_Generic_Arrays(4, r_screenvertex3f, NULL, r_fb.screentexcoord2f);
6245                 break;
6246         case RENDERPATH_D3D9:
6247         case RENDERPATH_D3D10:
6248         case RENDERPATH_D3D11:
6249                 R_Mesh_PrepareVertices_Generic_Arrays(4, r_d3dscreenvertex3f, NULL, r_fb.screentexcoord2f);
6250                 break;
6251         }
6252         // TODO: do boxfilter scale-down in shader?
6253         R_SetupShader_Generic(r_fb.colortexture, NULL, GL_MODULATE, 1, false, true, true);
6254         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
6255         r_refdef.stats.bloom_drawpixels += r_fb.bloomwidth * r_fb.bloomheight;
6256
6257         // we now have a properly scaled bloom image
6258         if (!r_fb.bloomfbo[r_fb.bloomindex])
6259         {
6260                 // copy it into the bloom texture
6261                 R_Mesh_CopyToTexture(r_fb.bloomtexture[r_fb.bloomindex], 0, 0, r_fb.bloomviewport.x, r_fb.bloomviewport.y, r_fb.bloomviewport.width, r_fb.bloomviewport.height);
6262                 r_refdef.stats.bloom_copypixels += r_fb.bloomviewport.width * r_fb.bloomviewport.height;
6263         }
6264
6265         // multiply bloom image by itself as many times as desired
6266         for (x = 1;x < min(r_bloom_colorexponent.value, 32);)
6267         {
6268                 intex = r_fb.bloomtexture[r_fb.bloomindex];
6269                 r_fb.bloomindex ^= 1;
6270                 R_Mesh_SetRenderTargets(r_fb.bloomfbo[r_fb.bloomindex], NULL, r_fb.bloomtexture[r_fb.bloomindex], NULL, NULL, NULL);
6271                 x *= 2;
6272                 r = bound(0, r_bloom_colorexponent.value / x, 1); // always 0.5 to 1
6273                 if (!r_fb.bloomfbo[r_fb.bloomindex])
6274                 {
6275                         GL_BlendFunc(GL_DST_COLOR, GL_SRC_COLOR); // square it and multiply by two
6276                         GL_Color(r,r,r,1); // apply fix factor
6277                 }
6278                 else
6279                 {
6280                         if(x <= 2)
6281                                 GL_Clear(GL_COLOR_BUFFER_BIT, NULL, 1.0f, 128);
6282                         GL_BlendFunc(GL_SRC_COLOR, GL_ZERO); // square it
6283                         GL_Color(1,1,1,1); // no fix factor supported here
6284                 }
6285                 R_Mesh_PrepareVertices_Generic_Arrays(4, r_screenvertex3f, NULL, r_fb.bloomtexcoord2f);
6286                 R_SetupShader_Generic(intex, NULL, GL_MODULATE, 1, false, true, false);
6287                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
6288                 r_refdef.stats.bloom_drawpixels += r_fb.bloomwidth * r_fb.bloomheight;
6289
6290                 if (!r_fb.bloomfbo[r_fb.bloomindex])
6291                 {
6292                         // copy the darkened image to a texture
6293                         R_Mesh_CopyToTexture(r_fb.bloomtexture[r_fb.bloomindex], 0, 0, r_fb.bloomviewport.x, r_fb.bloomviewport.y, r_fb.bloomviewport.width, r_fb.bloomviewport.height);
6294                         r_refdef.stats.bloom_copypixels += r_fb.bloomviewport.width * r_fb.bloomviewport.height;
6295                 }
6296         }
6297
6298         range = r_bloom_blur.integer * r_fb.bloomwidth / 320;
6299         brighten = r_bloom_brighten.value;
6300         brighten = sqrt(brighten);
6301         if(range >= 1)
6302                 brighten *= (3 * range) / (2 * range - 1); // compensate for the "dot particle"
6303
6304         for (dir = 0;dir < 2;dir++)
6305         {
6306                 intex = r_fb.bloomtexture[r_fb.bloomindex];
6307                 r_fb.bloomindex ^= 1;
6308                 R_Mesh_SetRenderTargets(r_fb.bloomfbo[r_fb.bloomindex], NULL, r_fb.bloomtexture[r_fb.bloomindex], NULL, NULL, NULL);
6309                 // blend on at multiple vertical offsets to achieve a vertical blur
6310                 // TODO: do offset blends using GLSL
6311                 // TODO instead of changing the texcoords, change the target positions to prevent artifacts at edges
6312                 GL_BlendFunc(GL_ONE, GL_ZERO);
6313                 R_SetupShader_Generic(intex, NULL, GL_MODULATE, 1, false, true, false);
6314                 for (x = -range;x <= range;x++)
6315                 {
6316                         if (!dir){xoffset = 0;yoffset = x;}
6317                         else {xoffset = x;yoffset = 0;}
6318                         xoffset /= (float)r_fb.bloomtexturewidth;
6319                         yoffset /= (float)r_fb.bloomtextureheight;
6320                         // compute a texcoord array with the specified x and y offset
6321                         r_fb.offsettexcoord2f[0] = xoffset+0;
6322                         r_fb.offsettexcoord2f[1] = yoffset+(float)r_fb.bloomheight / (float)r_fb.bloomtextureheight;
6323                         r_fb.offsettexcoord2f[2] = xoffset+(float)r_fb.bloomwidth / (float)r_fb.bloomtexturewidth;
6324                         r_fb.offsettexcoord2f[3] = yoffset+(float)r_fb.bloomheight / (float)r_fb.bloomtextureheight;
6325                         r_fb.offsettexcoord2f[4] = xoffset+(float)r_fb.bloomwidth / (float)r_fb.bloomtexturewidth;
6326                         r_fb.offsettexcoord2f[5] = yoffset+0;
6327                         r_fb.offsettexcoord2f[6] = xoffset+0;
6328                         r_fb.offsettexcoord2f[7] = yoffset+0;
6329                         // this r value looks like a 'dot' particle, fading sharply to
6330                         // black at the edges
6331                         // (probably not realistic but looks good enough)
6332                         //r = ((range*range+1)/((float)(x*x+1)))/(range*2+1);
6333                         //r = brighten/(range*2+1);
6334                         r = brighten / (range * 2 + 1);
6335                         if(range >= 1)
6336                                 r *= (1 - x*x/(float)(range*range));
6337                         GL_Color(r, r, r, 1);
6338                         R_Mesh_PrepareVertices_Generic_Arrays(4, r_screenvertex3f, NULL, r_fb.offsettexcoord2f);
6339                         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
6340                         r_refdef.stats.bloom_drawpixels += r_fb.bloomwidth * r_fb.bloomheight;
6341                         GL_BlendFunc(GL_ONE, GL_ONE);
6342                 }
6343
6344                 if (!r_fb.bloomfbo[r_fb.bloomindex])
6345                 {
6346                         // copy the vertically or horizontally blurred bloom view to a texture
6347                         R_Mesh_CopyToTexture(r_fb.bloomtexture[r_fb.bloomindex], 0, 0, r_fb.bloomviewport.x, r_fb.bloomviewport.y, r_fb.bloomviewport.width, r_fb.bloomviewport.height);
6348                         r_refdef.stats.bloom_copypixels += r_fb.bloomviewport.width * r_fb.bloomviewport.height;
6349                 }
6350         }
6351 }
6352
6353 static void R_BlendView(int fbo, rtexture_t *depthtexture, rtexture_t *colortexture)
6354 {
6355         unsigned int permutation;
6356         float uservecs[4][4];
6357
6358         switch (vid.renderpath)
6359         {
6360         case RENDERPATH_GL20:
6361         case RENDERPATH_D3D9:
6362         case RENDERPATH_D3D10:
6363         case RENDERPATH_D3D11:
6364         case RENDERPATH_SOFT:
6365         case RENDERPATH_GLES2:
6366                 permutation =
6367                           (r_fb.bloomtexture[r_fb.bloomindex] ? SHADERPERMUTATION_BLOOM : 0)
6368                         | (r_refdef.viewblend[3] > 0 ? SHADERPERMUTATION_VIEWTINT : 0)
6369                         | ((v_glslgamma.value && !vid_gammatables_trivial) ? SHADERPERMUTATION_GAMMARAMPS : 0)
6370                         | (r_glsl_postprocess.integer ? SHADERPERMUTATION_POSTPROCESSING : 0)
6371                         | ((!R_Stereo_ColorMasking() && r_glsl_saturation.value != 1) ? SHADERPERMUTATION_SATURATION : 0);
6372
6373                 if (r_fb.colortexture)
6374                 {
6375                         if (!r_fb.fbo)
6376                         {
6377                                 R_Mesh_CopyToTexture(r_fb.colortexture, 0, 0, r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height);
6378                                 r_refdef.stats.bloom_copypixels += r_refdef.view.viewport.width * r_refdef.view.viewport.height;
6379                         }
6380
6381                         if(!R_Stereo_Active() && (r_motionblur.value > 0 || r_damageblur.value > 0) && r_fb.ghosttexture)
6382                         {
6383                                 // declare variables
6384                                 float blur_factor, blur_mouseaccel, blur_velocity;
6385                                 static float blur_average;
6386                                 static vec3_t blur_oldangles; // used to see how quickly the mouse is moving
6387
6388                                 // set a goal for the factoring
6389                                 blur_velocity = bound(0, (VectorLength(cl.movement_velocity) - r_motionblur_velocityfactor_minspeed.value)
6390                                         / max(1, r_motionblur_velocityfactor_maxspeed.value - r_motionblur_velocityfactor_minspeed.value), 1);
6391                                 blur_mouseaccel = bound(0, ((fabs(VectorLength(cl.viewangles) - VectorLength(blur_oldangles)) * 10) - r_motionblur_mousefactor_minspeed.value)
6392                                         / max(1, r_motionblur_mousefactor_maxspeed.value - r_motionblur_mousefactor_minspeed.value), 1);
6393                                 blur_factor = ((blur_velocity * r_motionblur_velocityfactor.value)
6394                                         + (blur_mouseaccel * r_motionblur_mousefactor.value));
6395
6396                                 // from the goal, pick an averaged value between goal and last value
6397                                 cl.motionbluralpha = bound(0, (cl.time - cl.oldtime) / max(0.001, r_motionblur_averaging.value), 1);
6398                                 blur_average = blur_average * (1 - cl.motionbluralpha) + blur_factor * cl.motionbluralpha;
6399
6400                                 // enforce minimum amount of blur
6401                                 blur_factor = blur_average * (1 - r_motionblur_minblur.value) + r_motionblur_minblur.value;
6402
6403                                 //Con_Printf("motionblur: direct factor: %f, averaged factor: %f, velocity: %f, mouse accel: %f \n", blur_factor, blur_average, blur_velocity, blur_mouseaccel);
6404
6405                                 // calculate values into a standard alpha
6406                                 cl.motionbluralpha = 1 - exp(-
6407                                                 (
6408                                                  (r_motionblur.value * blur_factor / 80)
6409                                                  +
6410                                                  (r_damageblur.value * (cl.cshifts[CSHIFT_DAMAGE].percent / 1600))
6411                                                 )
6412                                                 /
6413                                                 max(0.0001, cl.time - cl.oldtime) // fps independent
6414                                           );
6415
6416                                 // randomization for the blur value to combat persistent ghosting
6417                                 cl.motionbluralpha *= lhrandom(1 - r_motionblur_randomize.value, 1 + r_motionblur_randomize.value);
6418                                 cl.motionbluralpha = bound(0, cl.motionbluralpha, r_motionblur_maxblur.value);
6419
6420                                 // apply the blur
6421                                 R_ResetViewRendering2D(fbo, depthtexture, colortexture);
6422                                 if (cl.motionbluralpha > 0 && !r_refdef.envmap && r_fb.ghosttexture_valid)
6423                                 {
6424                                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
6425                                         GL_Color(1, 1, 1, cl.motionbluralpha);
6426                                         switch(vid.renderpath)
6427                                         {
6428                                         case RENDERPATH_GL11:
6429                                         case RENDERPATH_GL13:
6430                                         case RENDERPATH_GL20:
6431                                         case RENDERPATH_GLES1:
6432                                         case RENDERPATH_GLES2:
6433                                         case RENDERPATH_SOFT:
6434                                                 R_Mesh_PrepareVertices_Generic_Arrays(4, r_screenvertex3f, NULL, r_fb.screentexcoord2f);
6435                                                 break;
6436                                         case RENDERPATH_D3D9:
6437                                         case RENDERPATH_D3D10:
6438                                         case RENDERPATH_D3D11:
6439                                                 R_Mesh_PrepareVertices_Generic_Arrays(4, r_d3dscreenvertex3f, NULL, r_fb.screentexcoord2f);
6440                                                 break;
6441                                         }
6442                                         R_SetupShader_Generic(r_fb.ghosttexture, NULL, GL_MODULATE, 1, false, true, true);
6443                                         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
6444                                         r_refdef.stats.bloom_drawpixels += r_refdef.view.viewport.width * r_refdef.view.viewport.height;
6445                                 }
6446
6447                                 // updates old view angles for next pass
6448                                 VectorCopy(cl.viewangles, blur_oldangles);
6449
6450                                 // copy view into the ghost texture
6451                                 R_Mesh_CopyToTexture(r_fb.ghosttexture, 0, 0, r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height);
6452                                 r_refdef.stats.bloom_copypixels += r_refdef.view.viewport.width * r_refdef.view.viewport.height;
6453                                 r_fb.ghosttexture_valid = true;
6454                         }
6455                 }
6456                 else
6457                 {
6458                         // no r_fb.colortexture means we're rendering to the real fb
6459                         // we may still have to do view tint...
6460                         if (r_refdef.viewblend[3] >= (1.0f / 256.0f))
6461                         {
6462                                 // apply a color tint to the whole view
6463                                 R_ResetViewRendering2D(0, NULL, NULL);
6464                                 GL_Color(r_refdef.viewblend[0], r_refdef.viewblend[1], r_refdef.viewblend[2], r_refdef.viewblend[3]);
6465                                 R_Mesh_PrepareVertices_Generic_Arrays(4, r_screenvertex3f, NULL, NULL);
6466                                 R_SetupShader_Generic_NoTexture(false, true);
6467                                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
6468                                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
6469                         }
6470                         break; // no screen processing, no bloom, skip it
6471                 }
6472
6473                 if (r_fb.bloomtexture[0])
6474                 {
6475                         // make the bloom texture
6476                         R_Bloom_MakeTexture();
6477                 }
6478
6479 #if _MSC_VER >= 1400
6480 #define sscanf sscanf_s
6481 #endif
6482                 memset(uservecs, 0, sizeof(uservecs));
6483                 if (r_glsl_postprocess_uservec1_enable.integer)
6484                         sscanf(r_glsl_postprocess_uservec1.string, "%f %f %f %f", &uservecs[0][0], &uservecs[0][1], &uservecs[0][2], &uservecs[0][3]);
6485                 if (r_glsl_postprocess_uservec2_enable.integer)
6486                         sscanf(r_glsl_postprocess_uservec2.string, "%f %f %f %f", &uservecs[1][0], &uservecs[1][1], &uservecs[1][2], &uservecs[1][3]);
6487                 if (r_glsl_postprocess_uservec3_enable.integer)
6488                         sscanf(r_glsl_postprocess_uservec3.string, "%f %f %f %f", &uservecs[2][0], &uservecs[2][1], &uservecs[2][2], &uservecs[2][3]);
6489                 if (r_glsl_postprocess_uservec4_enable.integer)
6490                         sscanf(r_glsl_postprocess_uservec4.string, "%f %f %f %f", &uservecs[3][0], &uservecs[3][1], &uservecs[3][2], &uservecs[3][3]);
6491
6492                 R_ResetViewRendering2D(0, NULL, NULL); // here we render to the real framebuffer!
6493                 GL_Color(1, 1, 1, 1);
6494                 GL_BlendFunc(GL_ONE, GL_ZERO);
6495
6496                 switch(vid.renderpath)
6497                 {
6498                 case RENDERPATH_GL20:
6499                 case RENDERPATH_GLES2:
6500                         R_Mesh_PrepareVertices_Mesh_Arrays(4, r_screenvertex3f, NULL, NULL, NULL, NULL, r_fb.screentexcoord2f, r_fb.bloomtexcoord2f);
6501                         R_SetupShader_SetPermutationGLSL(SHADERMODE_POSTPROCESS, permutation);
6502                         if (r_glsl_permutation->tex_Texture_First           >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_First     , r_fb.colortexture);
6503                         if (r_glsl_permutation->tex_Texture_Second          >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Second    , r_fb.bloomtexture[r_fb.bloomindex]);
6504                         if (r_glsl_permutation->tex_Texture_GammaRamps      >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_GammaRamps, r_texture_gammaramps       );
6505                         if (r_glsl_permutation->loc_ViewTintColor           >= 0) qglUniform4f(r_glsl_permutation->loc_ViewTintColor     , r_refdef.viewblend[0], r_refdef.viewblend[1], r_refdef.viewblend[2], r_refdef.viewblend[3]);
6506                         if (r_glsl_permutation->loc_PixelSize               >= 0) qglUniform2f(r_glsl_permutation->loc_PixelSize         , 1.0/r_fb.screentexturewidth, 1.0/r_fb.screentextureheight);
6507                         if (r_glsl_permutation->loc_UserVec1                >= 0) qglUniform4f(r_glsl_permutation->loc_UserVec1          , uservecs[0][0], uservecs[0][1], uservecs[0][2], uservecs[0][3]);
6508                         if (r_glsl_permutation->loc_UserVec2                >= 0) qglUniform4f(r_glsl_permutation->loc_UserVec2          , uservecs[1][0], uservecs[1][1], uservecs[1][2], uservecs[1][3]);
6509                         if (r_glsl_permutation->loc_UserVec3                >= 0) qglUniform4f(r_glsl_permutation->loc_UserVec3          , uservecs[2][0], uservecs[2][1], uservecs[2][2], uservecs[2][3]);
6510                         if (r_glsl_permutation->loc_UserVec4                >= 0) qglUniform4f(r_glsl_permutation->loc_UserVec4          , uservecs[3][0], uservecs[3][1], uservecs[3][2], uservecs[3][3]);
6511                         if (r_glsl_permutation->loc_Saturation              >= 0) qglUniform1f(r_glsl_permutation->loc_Saturation        , r_glsl_saturation.value);
6512                         if (r_glsl_permutation->loc_PixelToScreenTexCoord   >= 0) qglUniform2f(r_glsl_permutation->loc_PixelToScreenTexCoord, 1.0f/vid.width, 1.0f/vid.height);
6513                         if (r_glsl_permutation->loc_BloomColorSubtract      >= 0) qglUniform4f(r_glsl_permutation->loc_BloomColorSubtract   , r_bloom_colorsubtract.value, r_bloom_colorsubtract.value, r_bloom_colorsubtract.value, 0.0f);
6514                         break;
6515                 case RENDERPATH_D3D9:
6516 #ifdef SUPPORTD3D
6517                         // D3D has upside down Y coords, the easiest way to flip this is to flip the screen vertices rather than the texcoords, so we just use a different array for that...
6518                         R_Mesh_PrepareVertices_Mesh_Arrays(4, r_d3dscreenvertex3f, NULL, NULL, NULL, NULL, r_fb.screentexcoord2f, r_fb.bloomtexcoord2f);
6519                         R_SetupShader_SetPermutationHLSL(SHADERMODE_POSTPROCESS, permutation);
6520                         R_Mesh_TexBind(GL20TU_FIRST     , r_fb.colortexture);
6521                         R_Mesh_TexBind(GL20TU_SECOND    , r_fb.bloomtexture[r_fb.bloomindex]);
6522                         R_Mesh_TexBind(GL20TU_GAMMARAMPS, r_texture_gammaramps       );
6523                         hlslPSSetParameter4f(D3DPSREGISTER_ViewTintColor        , r_refdef.viewblend[0], r_refdef.viewblend[1], r_refdef.viewblend[2], r_refdef.viewblend[3]);
6524                         hlslPSSetParameter2f(D3DPSREGISTER_PixelSize            , 1.0/r_fb.screentexturewidth, 1.0/r_fb.screentextureheight);
6525                         hlslPSSetParameter4f(D3DPSREGISTER_UserVec1             , uservecs[0][0], uservecs[0][1], uservecs[0][2], uservecs[0][3]);
6526                         hlslPSSetParameter4f(D3DPSREGISTER_UserVec2             , uservecs[1][0], uservecs[1][1], uservecs[1][2], uservecs[1][3]);
6527                         hlslPSSetParameter4f(D3DPSREGISTER_UserVec3             , uservecs[2][0], uservecs[2][1], uservecs[2][2], uservecs[2][3]);
6528                         hlslPSSetParameter4f(D3DPSREGISTER_UserVec4             , uservecs[3][0], uservecs[3][1], uservecs[3][2], uservecs[3][3]);
6529                         hlslPSSetParameter1f(D3DPSREGISTER_Saturation           , r_glsl_saturation.value);
6530                         hlslPSSetParameter2f(D3DPSREGISTER_PixelToScreenTexCoord, 1.0f/vid.width, 1.0/vid.height);
6531                         hlslPSSetParameter4f(D3DPSREGISTER_BloomColorSubtract   , r_bloom_colorsubtract.value, r_bloom_colorsubtract.value, r_bloom_colorsubtract.value, 0.0f);
6532 #endif
6533                         break;
6534                 case RENDERPATH_D3D10:
6535                         Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
6536                         break;
6537                 case RENDERPATH_D3D11:
6538                         Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
6539                         break;
6540                 case RENDERPATH_SOFT:
6541                         R_Mesh_PrepareVertices_Mesh_Arrays(4, r_screenvertex3f, NULL, NULL, NULL, NULL, r_fb.screentexcoord2f, r_fb.bloomtexcoord2f);
6542                         R_SetupShader_SetPermutationSoft(SHADERMODE_POSTPROCESS, permutation);
6543                         R_Mesh_TexBind(GL20TU_FIRST     , r_fb.colortexture);
6544                         R_Mesh_TexBind(GL20TU_SECOND    , r_fb.bloomtexture[r_fb.bloomindex]);
6545                         R_Mesh_TexBind(GL20TU_GAMMARAMPS, r_texture_gammaramps       );
6546                         DPSOFTRAST_Uniform4f(DPSOFTRAST_UNIFORM_ViewTintColor     , r_refdef.viewblend[0], r_refdef.viewblend[1], r_refdef.viewblend[2], r_refdef.viewblend[3]);
6547                         DPSOFTRAST_Uniform2f(DPSOFTRAST_UNIFORM_PixelSize         , 1.0/r_fb.screentexturewidth, 1.0/r_fb.screentextureheight);
6548                         DPSOFTRAST_Uniform4f(DPSOFTRAST_UNIFORM_UserVec1          , uservecs[0][0], uservecs[0][1], uservecs[0][2], uservecs[0][3]);
6549                         DPSOFTRAST_Uniform4f(DPSOFTRAST_UNIFORM_UserVec2          , uservecs[1][0], uservecs[1][1], uservecs[1][2], uservecs[1][3]);
6550                         DPSOFTRAST_Uniform4f(DPSOFTRAST_UNIFORM_UserVec3          , uservecs[2][0], uservecs[2][1], uservecs[2][2], uservecs[2][3]);
6551                         DPSOFTRAST_Uniform4f(DPSOFTRAST_UNIFORM_UserVec4          , uservecs[3][0], uservecs[3][1], uservecs[3][2], uservecs[3][3]);
6552                         DPSOFTRAST_Uniform1f(DPSOFTRAST_UNIFORM_Saturation        , r_glsl_saturation.value);
6553                         DPSOFTRAST_Uniform2f(DPSOFTRAST_UNIFORM_PixelToScreenTexCoord, 1.0f/vid.width, 1.0f/vid.height);
6554                         DPSOFTRAST_Uniform4f(DPSOFTRAST_UNIFORM_BloomColorSubtract   , r_bloom_colorsubtract.value, r_bloom_colorsubtract.value, r_bloom_colorsubtract.value, 0.0f);
6555                         break;
6556                 default:
6557                         break;
6558                 }
6559                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
6560                 r_refdef.stats.bloom_drawpixels += r_refdef.view.width * r_refdef.view.height;
6561                 break;
6562         case RENDERPATH_GL11:
6563         case RENDERPATH_GL13:
6564         case RENDERPATH_GLES1:
6565                 if (r_refdef.viewblend[3] >= (1.0f / 256.0f))
6566                 {
6567                         // apply a color tint to the whole view
6568                         R_ResetViewRendering2D(0, NULL, NULL);
6569                         GL_Color(r_refdef.viewblend[0], r_refdef.viewblend[1], r_refdef.viewblend[2], r_refdef.viewblend[3]);
6570                         R_Mesh_PrepareVertices_Generic_Arrays(4, r_screenvertex3f, NULL, NULL);
6571                         R_SetupShader_Generic_NoTexture(false, true);
6572                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
6573                         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
6574                 }
6575                 break;
6576         }
6577 }
6578
6579 matrix4x4_t r_waterscrollmatrix;
6580
6581 void R_UpdateFog(void)
6582 {
6583         // Nehahra fog
6584         if (gamemode == GAME_NEHAHRA)
6585         {
6586                 if (gl_fogenable.integer)
6587                 {
6588                         r_refdef.oldgl_fogenable = true;
6589                         r_refdef.fog_density = gl_fogdensity.value;
6590                         r_refdef.fog_red = gl_fogred.value;
6591                         r_refdef.fog_green = gl_foggreen.value;
6592                         r_refdef.fog_blue = gl_fogblue.value;
6593                         r_refdef.fog_alpha = 1;
6594                         r_refdef.fog_start = 0;
6595                         r_refdef.fog_end = gl_skyclip.value;
6596                         r_refdef.fog_height = 1<<30;
6597                         r_refdef.fog_fadedepth = 128;
6598                 }
6599                 else if (r_refdef.oldgl_fogenable)
6600                 {
6601                         r_refdef.oldgl_fogenable = false;
6602                         r_refdef.fog_density = 0;
6603                         r_refdef.fog_red = 0;
6604                         r_refdef.fog_green = 0;
6605                         r_refdef.fog_blue = 0;
6606                         r_refdef.fog_alpha = 0;
6607                         r_refdef.fog_start = 0;
6608                         r_refdef.fog_end = 0;
6609                         r_refdef.fog_height = 1<<30;
6610                         r_refdef.fog_fadedepth = 128;
6611                 }
6612         }
6613
6614         // fog parms
6615         r_refdef.fog_alpha = bound(0, r_refdef.fog_alpha, 1);
6616         r_refdef.fog_start = max(0, r_refdef.fog_start);
6617         r_refdef.fog_end = max(r_refdef.fog_start + 0.01, r_refdef.fog_end);
6618
6619         if (r_refdef.fog_density && r_drawfog.integer)
6620         {
6621                 r_refdef.fogenabled = true;
6622                 // this is the point where the fog reaches 0.9986 alpha, which we
6623                 // consider a good enough cutoff point for the texture
6624                 // (0.9986 * 256 == 255.6)
6625                 if (r_fog_exp2.integer)
6626                         r_refdef.fogrange = 32 / (r_refdef.fog_density * r_refdef.fog_density) + r_refdef.fog_start;
6627                 else
6628                         r_refdef.fogrange = 2048 / r_refdef.fog_density + r_refdef.fog_start;
6629                 r_refdef.fogrange = bound(r_refdef.fog_start, r_refdef.fogrange, r_refdef.fog_end);
6630                 r_refdef.fograngerecip = 1.0f / r_refdef.fogrange;
6631                 r_refdef.fogmasktabledistmultiplier = FOGMASKTABLEWIDTH * r_refdef.fograngerecip;
6632                 if (strcmp(r_refdef.fogheighttexturename, r_refdef.fog_height_texturename))
6633                         R_BuildFogHeightTexture();
6634                 // fog color was already set
6635                 // update the fog texture
6636                 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)
6637                         R_BuildFogTexture();
6638                 r_refdef.fog_height_texcoordscale = 1.0f / max(0.125f, r_refdef.fog_fadedepth);
6639                 r_refdef.fog_height_tablescale = r_refdef.fog_height_tablesize * r_refdef.fog_height_texcoordscale;
6640         }
6641         else
6642                 r_refdef.fogenabled = false;
6643
6644         // fog color
6645         if (r_refdef.fog_density)
6646         {
6647                 r_refdef.fogcolor[0] = r_refdef.fog_red;
6648                 r_refdef.fogcolor[1] = r_refdef.fog_green;
6649                 r_refdef.fogcolor[2] = r_refdef.fog_blue;
6650
6651                 Vector4Set(r_refdef.fogplane, 0, 0, 1, -r_refdef.fog_height);
6652                 r_refdef.fogplaneviewdist = DotProduct(r_refdef.fogplane, r_refdef.view.origin) + r_refdef.fogplane[3];
6653                 r_refdef.fogplaneviewabove = r_refdef.fogplaneviewdist >= 0;
6654                 r_refdef.fogheightfade = -0.5f/max(0.125f, r_refdef.fog_fadedepth);
6655
6656                 {
6657                         vec3_t fogvec;
6658                         VectorCopy(r_refdef.fogcolor, fogvec);
6659                         //   color.rgb *= ContrastBoost * SceneBrightness;
6660                         VectorScale(fogvec, r_refdef.view.colorscale, fogvec);
6661                         r_refdef.fogcolor[0] = bound(0.0f, fogvec[0], 1.0f);
6662                         r_refdef.fogcolor[1] = bound(0.0f, fogvec[1], 1.0f);
6663                         r_refdef.fogcolor[2] = bound(0.0f, fogvec[2], 1.0f);
6664                 }
6665         }
6666 }
6667
6668 void R_UpdateVariables(void)
6669 {
6670         R_Textures_Frame();
6671
6672         r_refdef.scene.ambient = r_ambient.value * (1.0f / 64.0f);
6673
6674         r_refdef.farclip = r_farclip_base.value;
6675         if (r_refdef.scene.worldmodel)
6676                 r_refdef.farclip += r_refdef.scene.worldmodel->radius * r_farclip_world.value * 2;
6677         r_refdef.nearclip = bound (0.001f, r_nearclip.value, r_refdef.farclip - 1.0f);
6678
6679         if (r_shadow_frontsidecasting.integer < 0 || r_shadow_frontsidecasting.integer > 1)
6680                 Cvar_SetValueQuick(&r_shadow_frontsidecasting, 1);
6681         r_refdef.polygonfactor = 0;
6682         r_refdef.polygonoffset = 0;
6683         r_refdef.shadowpolygonfactor = r_refdef.polygonfactor + r_shadow_polygonfactor.value * (r_shadow_frontsidecasting.integer ? 1 : -1);
6684         r_refdef.shadowpolygonoffset = r_refdef.polygonoffset + r_shadow_polygonoffset.value * (r_shadow_frontsidecasting.integer ? 1 : -1);
6685
6686         r_refdef.scene.rtworld = r_shadow_realtime_world.integer != 0;
6687         r_refdef.scene.rtworldshadows = r_shadow_realtime_world_shadows.integer && vid.stencil;
6688         r_refdef.scene.rtdlight = r_shadow_realtime_dlight.integer != 0 && !gl_flashblend.integer && r_dynamic.integer;
6689         r_refdef.scene.rtdlightshadows = r_refdef.scene.rtdlight && r_shadow_realtime_dlight_shadows.integer && vid.stencil;
6690         r_refdef.lightmapintensity = r_refdef.scene.rtworld ? r_shadow_realtime_world_lightmaps.value : 1;
6691         if (FAKELIGHT_ENABLED)
6692         {
6693                 r_refdef.lightmapintensity *= r_fakelight_intensity.value;
6694         }
6695         else if (r_refdef.scene.worldmodel)
6696         {
6697                 r_refdef.lightmapintensity *= r_refdef.scene.worldmodel->lightmapscale;
6698         }
6699         if (r_showsurfaces.integer)
6700         {
6701                 r_refdef.scene.rtworld = false;
6702                 r_refdef.scene.rtworldshadows = false;
6703                 r_refdef.scene.rtdlight = false;
6704                 r_refdef.scene.rtdlightshadows = false;
6705                 r_refdef.lightmapintensity = 0;
6706         }
6707
6708         switch(vid.renderpath)
6709         {
6710         case RENDERPATH_GL20:
6711         case RENDERPATH_D3D9:
6712         case RENDERPATH_D3D10:
6713         case RENDERPATH_D3D11:
6714         case RENDERPATH_SOFT:
6715         case RENDERPATH_GLES2:
6716                 if(v_glslgamma.integer && !vid_gammatables_trivial)
6717                 {
6718                         if(!r_texture_gammaramps || vid_gammatables_serial != r_texture_gammaramps_serial)
6719                         {
6720                                 // build GLSL gamma texture
6721 #define RAMPWIDTH 256
6722                                 unsigned short ramp[RAMPWIDTH * 3];
6723                                 unsigned char rampbgr[RAMPWIDTH][4];
6724                                 int i;
6725
6726                                 r_texture_gammaramps_serial = vid_gammatables_serial;
6727
6728                                 VID_BuildGammaTables(&ramp[0], RAMPWIDTH);
6729                                 for(i = 0; i < RAMPWIDTH; ++i)
6730                                 {
6731                                         rampbgr[i][0] = (unsigned char) (ramp[i + 2 * RAMPWIDTH] * 255.0 / 65535.0 + 0.5);
6732                                         rampbgr[i][1] = (unsigned char) (ramp[i + RAMPWIDTH] * 255.0 / 65535.0 + 0.5);
6733                                         rampbgr[i][2] = (unsigned char) (ramp[i] * 255.0 / 65535.0 + 0.5);
6734                                         rampbgr[i][3] = 0;
6735                                 }
6736                                 if (r_texture_gammaramps)
6737                                 {
6738                                         R_UpdateTexture(r_texture_gammaramps, &rampbgr[0][0], 0, 0, 0, RAMPWIDTH, 1, 1);
6739                                 }
6740                                 else
6741                                 {
6742                                         r_texture_gammaramps = R_LoadTexture2D(r_main_texturepool, "gammaramps", RAMPWIDTH, 1, &rampbgr[0][0], TEXTYPE_BGRA, TEXF_FORCELINEAR | TEXF_CLAMP | TEXF_PERSISTENT, -1, NULL);
6743                                 }
6744                         }
6745                 }
6746                 else
6747                 {
6748                         // remove GLSL gamma texture
6749                 }
6750                 break;
6751         case RENDERPATH_GL11:
6752         case RENDERPATH_GL13:
6753         case RENDERPATH_GLES1:
6754                 break;
6755         }
6756 }
6757
6758 static r_refdef_scene_type_t r_currentscenetype = RST_CLIENT;
6759 static r_refdef_scene_t r_scenes_store[ RST_COUNT ];
6760 /*
6761 ================
6762 R_SelectScene
6763 ================
6764 */
6765 void R_SelectScene( r_refdef_scene_type_t scenetype ) {
6766         if( scenetype != r_currentscenetype ) {
6767                 // store the old scenetype
6768                 r_scenes_store[ r_currentscenetype ] = r_refdef.scene;
6769                 r_currentscenetype = scenetype;
6770                 // move in the new scene
6771                 r_refdef.scene = r_scenes_store[ r_currentscenetype ];
6772         }
6773 }
6774
6775 /*
6776 ================
6777 R_GetScenePointer
6778 ================
6779 */
6780 r_refdef_scene_t * R_GetScenePointer( r_refdef_scene_type_t scenetype )
6781 {
6782         // of course, we could also add a qboolean that provides a lock state and a ReleaseScenePointer function..
6783         if( scenetype == r_currentscenetype ) {
6784                 return &r_refdef.scene;
6785         } else {
6786                 return &r_scenes_store[ scenetype ];
6787         }
6788 }
6789
6790 static int R_SortEntities_Compare(const void *ap, const void *bp)
6791 {
6792         const entity_render_t *a = *(const entity_render_t **)ap;
6793         const entity_render_t *b = *(const entity_render_t **)bp;
6794
6795         // 1. compare model
6796         if(a->model < b->model)
6797                 return -1;
6798         if(a->model > b->model)
6799                 return +1;
6800
6801         // 2. compare skin
6802         // TODO possibly calculate the REAL skinnum here first using
6803         // skinscenes?
6804         if(a->skinnum < b->skinnum)
6805                 return -1;
6806         if(a->skinnum > b->skinnum)
6807                 return +1;
6808
6809         // everything we compared is equal
6810         return 0;
6811 }
6812 static void R_SortEntities(void)
6813 {
6814         // below or equal 2 ents, sorting never gains anything
6815         if(r_refdef.scene.numentities <= 2)
6816                 return;
6817         // sort
6818         qsort(r_refdef.scene.entities, r_refdef.scene.numentities, sizeof(*r_refdef.scene.entities), R_SortEntities_Compare);
6819 }
6820
6821 /*
6822 ================
6823 R_RenderView
6824 ================
6825 */
6826 int dpsoftrast_test;
6827 extern cvar_t r_shadow_bouncegrid;
6828 void R_RenderView(void)
6829 {
6830         matrix4x4_t originalmatrix = r_refdef.view.matrix, offsetmatrix;
6831         int fbo;
6832         rtexture_t *depthtexture;
6833         rtexture_t *colortexture;
6834
6835         dpsoftrast_test = r_test.integer;
6836
6837         if (r_timereport_active)
6838                 R_TimeReport("start");
6839         r_textureframe++; // used only by R_GetCurrentTexture
6840         rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
6841
6842         if(R_CompileShader_CheckStaticParms())
6843                 R_GLSL_Restart_f();
6844
6845         if (!r_drawentities.integer)
6846                 r_refdef.scene.numentities = 0;
6847         else if (r_sortentities.integer)
6848                 R_SortEntities();
6849
6850         R_AnimCache_ClearCache();
6851         R_FrameData_NewFrame();
6852
6853         /* adjust for stereo display */
6854         if(R_Stereo_Active())
6855         {
6856                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * (0.5f - r_stereo_side), 0, 0, r_stereo_angle.value * (0.5f - r_stereo_side), 0, 1);
6857                 Matrix4x4_Concat(&r_refdef.view.matrix, &originalmatrix, &offsetmatrix);
6858         }
6859
6860         if (r_refdef.view.isoverlay)
6861         {
6862                 // TODO: FIXME: move this into its own backend function maybe? [2/5/2008 Andreas]
6863                 R_Mesh_SetRenderTargets(0, NULL, NULL, NULL, NULL, NULL);
6864                 GL_Clear(GL_DEPTH_BUFFER_BIT, NULL, 1.0f, 0);
6865                 R_TimeReport("depthclear");
6866
6867                 r_refdef.view.showdebug = false;
6868
6869                 r_fb.water.enabled = false;
6870                 r_fb.water.numwaterplanes = 0;
6871
6872                 R_RenderScene(0, NULL, NULL);
6873
6874                 r_refdef.view.matrix = originalmatrix;
6875
6876                 CHECKGLERROR
6877                 return;
6878         }
6879
6880         if (!r_refdef.scene.entities || r_refdef.view.width * r_refdef.view.height == 0 || !r_renderview.integer || cl_videoplaying/* || !r_refdef.scene.worldmodel*/)
6881         {
6882                 r_refdef.view.matrix = originalmatrix;
6883                 return;
6884         }
6885
6886         r_refdef.view.colorscale = r_hdr_scenebrightness.value * r_hdr_irisadaptation_value.value;
6887
6888         if(vid_sRGB.integer && vid_sRGB_fallback.integer && !vid.sRGB3D)
6889                 // in sRGB fallback, behave similar to true sRGB: convert this
6890                 // value from linear to sRGB
6891                 r_refdef.view.colorscale = Image_sRGBFloatFromLinearFloat(r_refdef.view.colorscale);
6892
6893         R_RenderView_UpdateViewVectors();
6894
6895         R_Shadow_UpdateWorldLightSelection();
6896
6897         R_Bloom_StartFrame();
6898         R_Water_StartFrame();
6899
6900         // now we probably have an fbo to render into
6901         fbo = r_fb.fbo;
6902         depthtexture = r_fb.depthtexture;
6903         colortexture = r_fb.colortexture;
6904
6905         CHECKGLERROR
6906         if (r_timereport_active)
6907                 R_TimeReport("viewsetup");
6908
6909         R_ResetViewRendering3D(fbo, depthtexture, colortexture);
6910
6911         if (r_refdef.view.clear || r_refdef.fogenabled || fbo)
6912         {
6913                 R_ClearScreen(r_refdef.fogenabled);
6914                 if (r_timereport_active)
6915                         R_TimeReport("viewclear");
6916         }
6917         r_refdef.view.clear = true;
6918
6919         r_refdef.view.showdebug = true;
6920
6921         R_View_Update();
6922         if (r_timereport_active)
6923                 R_TimeReport("visibility");
6924
6925         R_Shadow_UpdateBounceGridTexture();
6926         if (r_timereport_active && r_shadow_bouncegrid.integer)
6927                 R_TimeReport("bouncegrid");
6928
6929         r_fb.water.numwaterplanes = 0;
6930         if (r_fb.water.enabled)
6931                 R_RenderWaterPlanes(fbo, depthtexture, colortexture);
6932
6933         R_RenderScene(fbo, depthtexture, colortexture);
6934         r_fb.water.numwaterplanes = 0;
6935
6936         R_BlendView(fbo, depthtexture, colortexture);
6937         if (r_timereport_active)
6938                 R_TimeReport("blendview");
6939
6940         GL_Scissor(0, 0, vid.width, vid.height);
6941         GL_ScissorTest(false);
6942
6943         r_refdef.view.matrix = originalmatrix;
6944
6945         CHECKGLERROR
6946 }
6947
6948 void R_RenderWaterPlanes(int fbo, rtexture_t *depthtexture, rtexture_t *colortexture)
6949 {
6950         if (cl.csqc_vidvars.drawworld && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->DrawAddWaterPlanes)
6951         {
6952                 r_refdef.scene.worldmodel->DrawAddWaterPlanes(r_refdef.scene.worldentity);
6953                 if (r_timereport_active)
6954                         R_TimeReport("waterworld");
6955         }
6956
6957         // don't let sound skip if going slow
6958         if (r_refdef.scene.extraupdate)
6959                 S_ExtraUpdate ();
6960
6961         R_DrawModelsAddWaterPlanes();
6962         if (r_timereport_active)
6963                 R_TimeReport("watermodels");
6964
6965         if (r_fb.water.numwaterplanes)
6966         {
6967                 R_Water_ProcessPlanes(fbo, depthtexture, colortexture);
6968                 if (r_timereport_active)
6969                         R_TimeReport("waterscenes");
6970         }
6971 }
6972
6973 extern cvar_t cl_locs_show;
6974 static void R_DrawLocs(void);
6975 static void R_DrawEntityBBoxes(void);
6976 static void R_DrawModelDecals(void);
6977 extern cvar_t cl_decals_newsystem;
6978 extern qboolean r_shadow_usingdeferredprepass;
6979 void R_RenderScene(int fbo, rtexture_t *depthtexture, rtexture_t *colortexture)
6980 {
6981         qboolean shadowmapping = false;
6982
6983         if (r_timereport_active)
6984                 R_TimeReport("beginscene");
6985
6986         r_refdef.stats.renders++;
6987
6988         R_UpdateFog();
6989
6990         // don't let sound skip if going slow
6991         if (r_refdef.scene.extraupdate)
6992                 S_ExtraUpdate ();
6993
6994         R_MeshQueue_BeginScene();
6995
6996         R_SkyStartFrame();
6997
6998         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);
6999
7000         if (r_timereport_active)
7001                 R_TimeReport("skystartframe");
7002
7003         if (cl.csqc_vidvars.drawworld)
7004         {
7005                 // don't let sound skip if going slow
7006                 if (r_refdef.scene.extraupdate)
7007                         S_ExtraUpdate ();
7008
7009                 if (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->DrawSky)
7010                 {
7011                         r_refdef.scene.worldmodel->DrawSky(r_refdef.scene.worldentity);
7012                         if (r_timereport_active)
7013                                 R_TimeReport("worldsky");
7014                 }
7015
7016                 if (R_DrawBrushModelsSky() && r_timereport_active)
7017                         R_TimeReport("bmodelsky");
7018
7019                 if (skyrendermasked && skyrenderlater)
7020                 {
7021                         // we have to force off the water clipping plane while rendering sky
7022                         R_SetupView(false, fbo, depthtexture, colortexture);
7023                         R_Sky();
7024                         R_SetupView(true, fbo, depthtexture, colortexture);
7025                         if (r_timereport_active)
7026                                 R_TimeReport("sky");
7027                 }
7028         }
7029
7030         R_Shadow_PrepareLights(fbo, depthtexture, colortexture);
7031         if (r_shadows.integer > 0 && r_refdef.lightmapintensity > 0)
7032                 R_Shadow_PrepareModelShadows();
7033         if (r_timereport_active)
7034                 R_TimeReport("preparelights");
7035
7036         if (R_Shadow_ShadowMappingEnabled())
7037                 shadowmapping = true;
7038
7039         if (r_shadow_usingdeferredprepass)
7040                 R_Shadow_DrawPrepass();
7041
7042         if (r_depthfirst.integer >= 1 && cl.csqc_vidvars.drawworld && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->DrawDepth)
7043         {
7044                 r_refdef.scene.worldmodel->DrawDepth(r_refdef.scene.worldentity);
7045                 if (r_timereport_active)
7046                         R_TimeReport("worlddepth");
7047         }
7048         if (r_depthfirst.integer >= 2)
7049         {
7050                 R_DrawModelsDepth();
7051                 if (r_timereport_active)
7052                         R_TimeReport("modeldepth");
7053         }
7054
7055         if (r_shadows.integer >= 2 && shadowmapping && r_refdef.lightmapintensity > 0)
7056         {
7057                 R_ResetViewRendering3D(fbo, depthtexture, colortexture);
7058                 R_DrawModelShadowMaps(fbo, depthtexture, colortexture);
7059                 R_ResetViewRendering3D(fbo, depthtexture, colortexture);
7060                 // don't let sound skip if going slow
7061                 if (r_refdef.scene.extraupdate)
7062                         S_ExtraUpdate ();
7063         }
7064
7065         if (cl.csqc_vidvars.drawworld && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->Draw)
7066         {
7067                 r_refdef.scene.worldmodel->Draw(r_refdef.scene.worldentity);
7068                 if (r_timereport_active)
7069                         R_TimeReport("world");
7070         }
7071
7072         // don't let sound skip if going slow
7073         if (r_refdef.scene.extraupdate)
7074                 S_ExtraUpdate ();
7075
7076         R_DrawModels();
7077         if (r_timereport_active)
7078                 R_TimeReport("models");
7079
7080         // don't let sound skip if going slow
7081         if (r_refdef.scene.extraupdate)
7082                 S_ExtraUpdate ();
7083
7084         if ((r_shadows.integer == 1 || (r_shadows.integer > 0 && !shadowmapping)) && !r_shadows_drawafterrtlighting.integer && r_refdef.lightmapintensity > 0)
7085         {
7086                 R_ResetViewRendering3D(fbo, depthtexture, colortexture);
7087                 R_DrawModelShadows(fbo, depthtexture, colortexture);
7088                 R_ResetViewRendering3D(fbo, depthtexture, colortexture);
7089                 // don't let sound skip if going slow
7090                 if (r_refdef.scene.extraupdate)
7091                         S_ExtraUpdate ();
7092         }
7093
7094         if (!r_shadow_usingdeferredprepass)
7095         {
7096                 R_Shadow_DrawLights();
7097                 if (r_timereport_active)
7098                         R_TimeReport("rtlights");
7099         }
7100
7101         // don't let sound skip if going slow
7102         if (r_refdef.scene.extraupdate)
7103                 S_ExtraUpdate ();
7104
7105         if ((r_shadows.integer == 1 || (r_shadows.integer > 0 && !shadowmapping)) && r_shadows_drawafterrtlighting.integer && r_refdef.lightmapintensity > 0)
7106         {
7107                 R_ResetViewRendering3D(fbo, depthtexture, colortexture);
7108                 R_DrawModelShadows(fbo, depthtexture, colortexture);
7109                 R_ResetViewRendering3D(fbo, depthtexture, colortexture);
7110                 // don't let sound skip if going slow
7111                 if (r_refdef.scene.extraupdate)
7112                         S_ExtraUpdate ();
7113         }
7114
7115         if (cl.csqc_vidvars.drawworld)
7116         {
7117                 if (cl_decals_newsystem.integer)
7118                 {
7119                         R_DrawModelDecals();
7120                         if (r_timereport_active)
7121                                 R_TimeReport("modeldecals");
7122                 }
7123                 else
7124                 {
7125                         R_DrawDecals();
7126                         if (r_timereport_active)
7127                                 R_TimeReport("decals");
7128                 }
7129
7130                 R_DrawParticles();
7131                 if (r_timereport_active)
7132                         R_TimeReport("particles");
7133
7134                 R_DrawExplosions();
7135                 if (r_timereport_active)
7136                         R_TimeReport("explosions");
7137
7138                 R_DrawLightningBeams();
7139                 if (r_timereport_active)
7140                         R_TimeReport("lightning");
7141         }
7142
7143         if (cl.csqc_loaded)
7144                 VM_CL_AddPolygonsToMeshQueue(CLVM_prog);
7145
7146         if (r_refdef.view.showdebug)
7147         {
7148                 if (cl_locs_show.integer)
7149                 {
7150                         R_DrawLocs();
7151                         if (r_timereport_active)
7152                                 R_TimeReport("showlocs");
7153                 }
7154
7155                 if (r_drawportals.integer)
7156                 {
7157                         R_DrawPortals();
7158                         if (r_timereport_active)
7159                                 R_TimeReport("portals");
7160                 }
7161
7162                 if (r_showbboxes.value > 0)
7163                 {
7164                         R_DrawEntityBBoxes();
7165                         if (r_timereport_active)
7166                                 R_TimeReport("bboxes");
7167                 }
7168         }
7169
7170         if (r_transparent.integer)
7171         {
7172                 R_MeshQueue_RenderTransparent();
7173                 if (r_timereport_active)
7174                         R_TimeReport("drawtrans");
7175         }
7176
7177         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 || r_showoverdraw.value > 0))
7178         {
7179                 r_refdef.scene.worldmodel->DrawDebug(r_refdef.scene.worldentity);
7180                 if (r_timereport_active)
7181                         R_TimeReport("worlddebug");
7182                 R_DrawModelsDebug();
7183                 if (r_timereport_active)
7184                         R_TimeReport("modeldebug");
7185         }
7186
7187         if (cl.csqc_vidvars.drawworld)
7188         {
7189                 R_Shadow_DrawCoronas();
7190                 if (r_timereport_active)
7191                         R_TimeReport("coronas");
7192         }
7193
7194 #if 0
7195         {
7196                 GL_DepthTest(false);
7197                 qglPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
7198                 GL_Color(1, 1, 1, 1);
7199                 qglBegin(GL_POLYGON);
7200                 qglVertex3f(r_refdef.view.frustumcorner[0][0], r_refdef.view.frustumcorner[0][1], r_refdef.view.frustumcorner[0][2]);
7201                 qglVertex3f(r_refdef.view.frustumcorner[1][0], r_refdef.view.frustumcorner[1][1], r_refdef.view.frustumcorner[1][2]);
7202                 qglVertex3f(r_refdef.view.frustumcorner[3][0], r_refdef.view.frustumcorner[3][1], r_refdef.view.frustumcorner[3][2]);
7203                 qglVertex3f(r_refdef.view.frustumcorner[2][0], r_refdef.view.frustumcorner[2][1], r_refdef.view.frustumcorner[2][2]);
7204                 qglEnd();
7205                 qglBegin(GL_POLYGON);
7206                 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]);
7207                 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]);
7208                 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]);
7209                 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]);
7210                 qglEnd();
7211                 qglPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
7212         }
7213 #endif
7214
7215         // don't let sound skip if going slow
7216         if (r_refdef.scene.extraupdate)
7217                 S_ExtraUpdate ();
7218 }
7219
7220 static const unsigned short bboxelements[36] =
7221 {
7222         5, 1, 3, 5, 3, 7,
7223         6, 2, 0, 6, 0, 4,
7224         7, 3, 2, 7, 2, 6,
7225         4, 0, 1, 4, 1, 5,
7226         4, 5, 7, 4, 7, 6,
7227         1, 0, 2, 1, 2, 3,
7228 };
7229
7230 static void R_DrawBBoxMesh(vec3_t mins, vec3_t maxs, float cr, float cg, float cb, float ca)
7231 {
7232         int i;
7233         float *v, *c, f1, f2, vertex3f[8*3], color4f[8*4];
7234
7235         RSurf_ActiveWorldEntity();
7236
7237         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
7238         GL_DepthMask(false);
7239         GL_DepthRange(0, 1);
7240         GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
7241 //      R_Mesh_ResetTextureState();
7242
7243         vertex3f[ 0] = mins[0];vertex3f[ 1] = mins[1];vertex3f[ 2] = mins[2]; //
7244         vertex3f[ 3] = maxs[0];vertex3f[ 4] = mins[1];vertex3f[ 5] = mins[2];
7245         vertex3f[ 6] = mins[0];vertex3f[ 7] = maxs[1];vertex3f[ 8] = mins[2];
7246         vertex3f[ 9] = maxs[0];vertex3f[10] = maxs[1];vertex3f[11] = mins[2];
7247         vertex3f[12] = mins[0];vertex3f[13] = mins[1];vertex3f[14] = maxs[2];
7248         vertex3f[15] = maxs[0];vertex3f[16] = mins[1];vertex3f[17] = maxs[2];
7249         vertex3f[18] = mins[0];vertex3f[19] = maxs[1];vertex3f[20] = maxs[2];
7250         vertex3f[21] = maxs[0];vertex3f[22] = maxs[1];vertex3f[23] = maxs[2];
7251         R_FillColors(color4f, 8, cr, cg, cb, ca);
7252         if (r_refdef.fogenabled)
7253         {
7254                 for (i = 0, v = vertex3f, c = color4f;i < 8;i++, v += 3, c += 4)
7255                 {
7256                         f1 = RSurf_FogVertex(v);
7257                         f2 = 1 - f1;
7258                         c[0] = c[0] * f1 + r_refdef.fogcolor[0] * f2;
7259                         c[1] = c[1] * f1 + r_refdef.fogcolor[1] * f2;
7260                         c[2] = c[2] * f1 + r_refdef.fogcolor[2] * f2;
7261                 }
7262         }
7263         R_Mesh_PrepareVertices_Generic_Arrays(8, vertex3f, color4f, NULL);
7264         R_Mesh_ResetTextureState();
7265         R_SetupShader_Generic_NoTexture(false, false);
7266         R_Mesh_Draw(0, 8, 0, 12, NULL, NULL, 0, bboxelements, NULL, 0);
7267 }
7268
7269 static void R_DrawEntityBBoxes_Callback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
7270 {
7271         prvm_prog_t *prog = SVVM_prog;
7272         int i;
7273         float color[4];
7274         prvm_edict_t *edict;
7275
7276         // this function draws bounding boxes of server entities
7277         if (!sv.active)
7278                 return;
7279
7280         GL_CullFace(GL_NONE);
7281         R_SetupShader_Generic_NoTexture(false, false);
7282
7283         for (i = 0;i < numsurfaces;i++)
7284         {
7285                 edict = PRVM_EDICT_NUM(surfacelist[i]);
7286                 switch ((int)PRVM_serveredictfloat(edict, solid))
7287                 {
7288                         case SOLID_NOT:      Vector4Set(color, 1, 1, 1, 0.05);break;
7289                         case SOLID_TRIGGER:  Vector4Set(color, 1, 0, 1, 0.10);break;
7290                         case SOLID_BBOX:     Vector4Set(color, 0, 1, 0, 0.10);break;
7291                         case SOLID_SLIDEBOX: Vector4Set(color, 1, 0, 0, 0.10);break;
7292                         case SOLID_BSP:      Vector4Set(color, 0, 0, 1, 0.05);break;
7293                         case SOLID_CORPSE:   Vector4Set(color, 1, 0.5, 0, 0.05);break;
7294                         default:             Vector4Set(color, 0, 0, 0, 0.50);break;
7295                 }
7296                 color[3] *= r_showbboxes.value;
7297                 color[3] = bound(0, color[3], 1);
7298                 GL_DepthTest(!r_showdisabledepthtest.integer);
7299                 GL_CullFace(r_refdef.view.cullface_front);
7300                 R_DrawBBoxMesh(edict->priv.server->areamins, edict->priv.server->areamaxs, color[0], color[1], color[2], color[3]);
7301         }
7302 }
7303
7304 static void R_DrawEntityBBoxes(void)
7305 {
7306         int i;
7307         prvm_edict_t *edict;
7308         vec3_t center;
7309         prvm_prog_t *prog = SVVM_prog;
7310
7311         // this function draws bounding boxes of server entities
7312         if (!sv.active)
7313                 return;
7314
7315         for (i = 0;i < prog->num_edicts;i++)
7316         {
7317                 edict = PRVM_EDICT_NUM(i);
7318                 if (edict->priv.server->free)
7319                         continue;
7320                 // exclude the following for now, as they don't live in world coordinate space and can't be solid:
7321                 if(PRVM_serveredictedict(edict, tag_entity) != 0)
7322                         continue;
7323                 if(PRVM_serveredictedict(edict, viewmodelforclient) != 0)
7324                         continue;
7325                 VectorLerp(edict->priv.server->areamins, 0.5f, edict->priv.server->areamaxs, center);
7326                 R_MeshQueue_AddTransparent(MESHQUEUE_SORT_DISTANCE, center, R_DrawEntityBBoxes_Callback, (entity_render_t *)NULL, i, (rtlight_t *)NULL);
7327         }
7328 }
7329
7330 static const int nomodelelement3i[24] =
7331 {
7332         5, 2, 0,
7333         5, 1, 2,
7334         5, 0, 3,
7335         5, 3, 1,
7336         0, 2, 4,
7337         2, 1, 4,
7338         3, 0, 4,
7339         1, 3, 4
7340 };
7341
7342 static const unsigned short nomodelelement3s[24] =
7343 {
7344         5, 2, 0,
7345         5, 1, 2,
7346         5, 0, 3,
7347         5, 3, 1,
7348         0, 2, 4,
7349         2, 1, 4,
7350         3, 0, 4,
7351         1, 3, 4
7352 };
7353
7354 static const float nomodelvertex3f[6*3] =
7355 {
7356         -16,   0,   0,
7357          16,   0,   0,
7358           0, -16,   0,
7359           0,  16,   0,
7360           0,   0, -16,
7361           0,   0,  16
7362 };
7363
7364 static const float nomodelcolor4f[6*4] =
7365 {
7366         0.0f, 0.0f, 0.5f, 1.0f,
7367         0.0f, 0.0f, 0.5f, 1.0f,
7368         0.0f, 0.5f, 0.0f, 1.0f,
7369         0.0f, 0.5f, 0.0f, 1.0f,
7370         0.5f, 0.0f, 0.0f, 1.0f,
7371         0.5f, 0.0f, 0.0f, 1.0f
7372 };
7373
7374 static void R_DrawNoModel_TransparentCallback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
7375 {
7376         int i;
7377         float f1, f2, *c;
7378         float color4f[6*4];
7379
7380         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);
7381
7382         // this is only called once per entity so numsurfaces is always 1, and
7383         // surfacelist is always {0}, so this code does not handle batches
7384
7385         if (rsurface.ent_flags & RENDER_ADDITIVE)
7386         {
7387                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
7388                 GL_DepthMask(false);
7389         }
7390         else if (rsurface.colormod[3] < 1)
7391         {
7392                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
7393                 GL_DepthMask(false);
7394         }
7395         else
7396         {
7397                 GL_BlendFunc(GL_ONE, GL_ZERO);
7398                 GL_DepthMask(true);
7399         }
7400         GL_DepthRange(0, (rsurface.ent_flags & RENDER_VIEWMODEL) ? 0.0625 : 1);
7401         GL_PolygonOffset(rsurface.basepolygonfactor, rsurface.basepolygonoffset);
7402         GL_DepthTest(!(rsurface.ent_flags & RENDER_NODEPTHTEST));
7403         GL_CullFace((rsurface.ent_flags & RENDER_DOUBLESIDED) ? GL_NONE : r_refdef.view.cullface_back);
7404         memcpy(color4f, nomodelcolor4f, sizeof(float[6*4]));
7405         for (i = 0, c = color4f;i < 6;i++, c += 4)
7406         {
7407                 c[0] *= rsurface.colormod[0];
7408                 c[1] *= rsurface.colormod[1];
7409                 c[2] *= rsurface.colormod[2];
7410                 c[3] *= rsurface.colormod[3];
7411         }
7412         if (r_refdef.fogenabled)
7413         {
7414                 for (i = 0, c = color4f;i < 6;i++, c += 4)
7415                 {
7416                         f1 = RSurf_FogVertex(nomodelvertex3f + 3*i);
7417                         f2 = 1 - f1;
7418                         c[0] = (c[0] * f1 + r_refdef.fogcolor[0] * f2);
7419                         c[1] = (c[1] * f1 + r_refdef.fogcolor[1] * f2);
7420                         c[2] = (c[2] * f1 + r_refdef.fogcolor[2] * f2);
7421                 }
7422         }
7423 //      R_Mesh_ResetTextureState();
7424         R_SetupShader_Generic_NoTexture(false, false);
7425         R_Mesh_PrepareVertices_Generic_Arrays(6, nomodelvertex3f, color4f, NULL);
7426         R_Mesh_Draw(0, 6, 0, 8, nomodelelement3i, NULL, 0, nomodelelement3s, NULL, 0);
7427 }
7428
7429 void R_DrawNoModel(entity_render_t *ent)
7430 {
7431         vec3_t org;
7432         Matrix4x4_OriginFromMatrix(&ent->matrix, org);
7433         if ((ent->flags & RENDER_ADDITIVE) || (ent->alpha < 1))
7434                 R_MeshQueue_AddTransparent((ent->flags & RENDER_NODEPTHTEST) ? MESHQUEUE_SORT_HUD : MESHQUEUE_SORT_DISTANCE, org, R_DrawNoModel_TransparentCallback, ent, 0, rsurface.rtlight);
7435         else
7436                 R_DrawNoModel_TransparentCallback(ent, rsurface.rtlight, 0, NULL);
7437 }
7438
7439 void R_CalcBeam_Vertex3f (float *vert, const vec3_t org1, const vec3_t org2, float width)
7440 {
7441         vec3_t right1, right2, diff, normal;
7442
7443         VectorSubtract (org2, org1, normal);
7444
7445         // calculate 'right' vector for start
7446         VectorSubtract (r_refdef.view.origin, org1, diff);
7447         CrossProduct (normal, diff, right1);
7448         VectorNormalize (right1);
7449
7450         // calculate 'right' vector for end
7451         VectorSubtract (r_refdef.view.origin, org2, diff);
7452         CrossProduct (normal, diff, right2);
7453         VectorNormalize (right2);
7454
7455         vert[ 0] = org1[0] + width * right1[0];
7456         vert[ 1] = org1[1] + width * right1[1];
7457         vert[ 2] = org1[2] + width * right1[2];
7458         vert[ 3] = org1[0] - width * right1[0];
7459         vert[ 4] = org1[1] - width * right1[1];
7460         vert[ 5] = org1[2] - width * right1[2];
7461         vert[ 6] = org2[0] - width * right2[0];
7462         vert[ 7] = org2[1] - width * right2[1];
7463         vert[ 8] = org2[2] - width * right2[2];
7464         vert[ 9] = org2[0] + width * right2[0];
7465         vert[10] = org2[1] + width * right2[1];
7466         vert[11] = org2[2] + width * right2[2];
7467 }
7468
7469 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)
7470 {
7471         vertex3f[ 0] = origin[0] + left[0] * scalex2 + up[0] * scaley1;
7472         vertex3f[ 1] = origin[1] + left[1] * scalex2 + up[1] * scaley1;
7473         vertex3f[ 2] = origin[2] + left[2] * scalex2 + up[2] * scaley1;
7474         vertex3f[ 3] = origin[0] + left[0] * scalex2 + up[0] * scaley2;
7475         vertex3f[ 4] = origin[1] + left[1] * scalex2 + up[1] * scaley2;
7476         vertex3f[ 5] = origin[2] + left[2] * scalex2 + up[2] * scaley2;
7477         vertex3f[ 6] = origin[0] + left[0] * scalex1 + up[0] * scaley2;
7478         vertex3f[ 7] = origin[1] + left[1] * scalex1 + up[1] * scaley2;
7479         vertex3f[ 8] = origin[2] + left[2] * scalex1 + up[2] * scaley2;
7480         vertex3f[ 9] = origin[0] + left[0] * scalex1 + up[0] * scaley1;
7481         vertex3f[10] = origin[1] + left[1] * scalex1 + up[1] * scaley1;
7482         vertex3f[11] = origin[2] + left[2] * scalex1 + up[2] * scaley1;
7483 }
7484
7485 static int R_Mesh_AddVertex(rmesh_t *mesh, float x, float y, float z)
7486 {
7487         int i;
7488         float *vertex3f;
7489         float v[3];
7490         VectorSet(v, x, y, z);
7491         for (i = 0, vertex3f = mesh->vertex3f;i < mesh->numvertices;i++, vertex3f += 3)
7492                 if (VectorDistance2(v, vertex3f) < mesh->epsilon2)
7493                         break;
7494         if (i == mesh->numvertices)
7495         {
7496                 if (mesh->numvertices < mesh->maxvertices)
7497                 {
7498                         VectorCopy(v, vertex3f);
7499                         mesh->numvertices++;
7500                 }
7501                 return mesh->numvertices;
7502         }
7503         else
7504                 return i;
7505 }
7506
7507 void R_Mesh_AddPolygon3f(rmesh_t *mesh, int numvertices, float *vertex3f)
7508 {
7509         int i;
7510         int *e, element[3];
7511         element[0] = R_Mesh_AddVertex(mesh, vertex3f[0], vertex3f[1], vertex3f[2]);vertex3f += 3;
7512         element[1] = R_Mesh_AddVertex(mesh, vertex3f[0], vertex3f[1], vertex3f[2]);vertex3f += 3;
7513         e = mesh->element3i + mesh->numtriangles * 3;
7514         for (i = 0;i < numvertices - 2;i++, vertex3f += 3)
7515         {
7516                 element[2] = R_Mesh_AddVertex(mesh, vertex3f[0], vertex3f[1], vertex3f[2]);
7517                 if (mesh->numtriangles < mesh->maxtriangles)
7518                 {
7519                         *e++ = element[0];
7520                         *e++ = element[1];
7521                         *e++ = element[2];
7522                         mesh->numtriangles++;
7523                 }
7524                 element[1] = element[2];
7525         }
7526 }
7527
7528 static void R_Mesh_AddPolygon3d(rmesh_t *mesh, int numvertices, double *vertex3d)
7529 {
7530         int i;
7531         int *e, element[3];
7532         element[0] = R_Mesh_AddVertex(mesh, vertex3d[0], vertex3d[1], vertex3d[2]);vertex3d += 3;
7533         element[1] = R_Mesh_AddVertex(mesh, vertex3d[0], vertex3d[1], vertex3d[2]);vertex3d += 3;
7534         e = mesh->element3i + mesh->numtriangles * 3;
7535         for (i = 0;i < numvertices - 2;i++, vertex3d += 3)
7536         {
7537                 element[2] = R_Mesh_AddVertex(mesh, vertex3d[0], vertex3d[1], vertex3d[2]);
7538                 if (mesh->numtriangles < mesh->maxtriangles)
7539                 {
7540                         *e++ = element[0];
7541                         *e++ = element[1];
7542                         *e++ = element[2];
7543                         mesh->numtriangles++;
7544                 }
7545                 element[1] = element[2];
7546         }
7547 }
7548
7549 #define R_MESH_PLANE_DIST_EPSILON (1.0 / 32.0)
7550 void R_Mesh_AddBrushMeshFromPlanes(rmesh_t *mesh, int numplanes, mplane_t *planes)
7551 {
7552         int planenum, planenum2;
7553         int w;
7554         int tempnumpoints;
7555         mplane_t *plane, *plane2;
7556         double maxdist;
7557         double temppoints[2][256*3];
7558         // figure out how large a bounding box we need to properly compute this brush
7559         maxdist = 0;
7560         for (w = 0;w < numplanes;w++)
7561                 maxdist = max(maxdist, fabs(planes[w].dist));
7562         // now make it large enough to enclose the entire brush, and round it off to a reasonable multiple of 1024
7563         maxdist = floor(maxdist * (4.0 / 1024.0) + 1) * 1024.0;
7564         for (planenum = 0, plane = planes;planenum < numplanes;planenum++, plane++)
7565         {
7566                 w = 0;
7567                 tempnumpoints = 4;
7568                 PolygonD_QuadForPlane(temppoints[w], plane->normal[0], plane->normal[1], plane->normal[2], plane->dist, maxdist);
7569                 for (planenum2 = 0, plane2 = planes;planenum2 < numplanes && tempnumpoints >= 3;planenum2++, plane2++)
7570                 {
7571                         if (planenum2 == planenum)
7572                                 continue;
7573                         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);
7574                         w = !w;
7575                 }
7576                 if (tempnumpoints < 3)
7577                         continue;
7578                 // generate elements forming a triangle fan for this polygon
7579                 R_Mesh_AddPolygon3d(mesh, tempnumpoints, temppoints[w]);
7580         }
7581 }
7582
7583 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)
7584 {
7585         texturelayer_t *layer;
7586         layer = t->currentlayers + t->currentnumlayers++;
7587         layer->type = type;
7588         layer->depthmask = depthmask;
7589         layer->blendfunc1 = blendfunc1;
7590         layer->blendfunc2 = blendfunc2;
7591         layer->texture = texture;
7592         layer->texmatrix = *matrix;
7593         layer->color[0] = r;
7594         layer->color[1] = g;
7595         layer->color[2] = b;
7596         layer->color[3] = a;
7597 }
7598
7599 static qboolean R_TestQ3WaveFunc(q3wavefunc_t func, const float *parms)
7600 {
7601         if(parms[0] == 0 && parms[1] == 0)
7602                 return false;
7603         if(func >> Q3WAVEFUNC_USER_SHIFT) // assumes rsurface to be set!
7604                 if(rsurface.userwavefunc_param[bound(0, (func >> Q3WAVEFUNC_USER_SHIFT) - 1, Q3WAVEFUNC_USER_COUNT - 1)] == 0)
7605                         return false;
7606         return true;
7607 }
7608
7609 static float R_EvaluateQ3WaveFunc(q3wavefunc_t func, const float *parms)
7610 {
7611         double index, f;
7612         index = parms[2] + rsurface.shadertime * parms[3];
7613         index -= floor(index);
7614         switch (func & ((1 << Q3WAVEFUNC_USER_SHIFT) - 1))
7615         {
7616         default:
7617         case Q3WAVEFUNC_NONE:
7618         case Q3WAVEFUNC_NOISE:
7619         case Q3WAVEFUNC_COUNT:
7620                 f = 0;
7621                 break;
7622         case Q3WAVEFUNC_SIN: f = sin(index * M_PI * 2);break;
7623         case Q3WAVEFUNC_SQUARE: f = index < 0.5 ? 1 : -1;break;
7624         case Q3WAVEFUNC_SAWTOOTH: f = index;break;
7625         case Q3WAVEFUNC_INVERSESAWTOOTH: f = 1 - index;break;
7626         case Q3WAVEFUNC_TRIANGLE:
7627                 index *= 4;
7628                 f = index - floor(index);
7629                 if (index < 1)
7630                 {
7631                         // f = f;
7632                 }
7633                 else if (index < 2)
7634                         f = 1 - f;
7635                 else if (index < 3)
7636                         f = -f;
7637                 else
7638                         f = -(1 - f);
7639                 break;
7640         }
7641         f = parms[0] + parms[1] * f;
7642         if(func >> Q3WAVEFUNC_USER_SHIFT) // assumes rsurface to be set!
7643                 f *= rsurface.userwavefunc_param[bound(0, (func >> Q3WAVEFUNC_USER_SHIFT) - 1, Q3WAVEFUNC_USER_COUNT - 1)];
7644         return (float) f;
7645 }
7646
7647 static void R_tcMod_ApplyToMatrix(matrix4x4_t *texmatrix, q3shaderinfo_layer_tcmod_t *tcmod, int currentmaterialflags)
7648 {
7649         int w, h, idx;
7650         double f;
7651         double offsetd[2];
7652         float tcmat[12];
7653         matrix4x4_t matrix, temp;
7654         switch(tcmod->tcmod)
7655         {
7656                 case Q3TCMOD_COUNT:
7657                 case Q3TCMOD_NONE:
7658                         if (currentmaterialflags & MATERIALFLAG_WATERSCROLL)
7659                                 matrix = r_waterscrollmatrix;
7660                         else
7661                                 matrix = identitymatrix;
7662                         break;
7663                 case Q3TCMOD_ENTITYTRANSLATE:
7664                         // this is used in Q3 to allow the gamecode to control texcoord
7665                         // scrolling on the entity, which is not supported in darkplaces yet.
7666                         Matrix4x4_CreateTranslate(&matrix, 0, 0, 0);
7667                         break;
7668                 case Q3TCMOD_ROTATE:
7669                         f = tcmod->parms[0] * rsurface.shadertime;
7670                         Matrix4x4_CreateTranslate(&matrix, 0.5, 0.5, 0);
7671                         Matrix4x4_ConcatRotate(&matrix, (f / 360 - floor(f / 360)) * 360, 0, 0, 1);
7672                         Matrix4x4_ConcatTranslate(&matrix, -0.5, -0.5, 0);
7673                         break;
7674                 case Q3TCMOD_SCALE:
7675                         Matrix4x4_CreateScale3(&matrix, tcmod->parms[0], tcmod->parms[1], 1);
7676                         break;
7677                 case Q3TCMOD_SCROLL:
7678                         // extra care is needed because of precision breakdown with large values of time
7679                         offsetd[0] = tcmod->parms[0] * rsurface.shadertime;
7680                         offsetd[1] = tcmod->parms[1] * rsurface.shadertime;
7681                         Matrix4x4_CreateTranslate(&matrix, offsetd[0] - floor(offsetd[0]), offsetd[1] - floor(offsetd[1]), 0);
7682                         break;
7683                 case Q3TCMOD_PAGE: // poor man's animmap (to store animations into a single file, useful for HTTP downloaded textures)
7684                         w = (int) tcmod->parms[0];
7685                         h = (int) tcmod->parms[1];
7686                         f = rsurface.shadertime / (tcmod->parms[2] * w * h);
7687                         f = f - floor(f);
7688                         idx = (int) floor(f * w * h);
7689                         Matrix4x4_CreateTranslate(&matrix, (idx % w) / tcmod->parms[0], (idx / w) / tcmod->parms[1], 0);
7690                         break;
7691                 case Q3TCMOD_STRETCH:
7692                         f = 1.0f / R_EvaluateQ3WaveFunc(tcmod->wavefunc, tcmod->waveparms);
7693                         Matrix4x4_CreateFromQuakeEntity(&matrix, 0.5f * (1 - f), 0.5 * (1 - f), 0, 0, 0, 0, f);
7694                         break;
7695                 case Q3TCMOD_TRANSFORM:
7696                         VectorSet(tcmat +  0, tcmod->parms[0], tcmod->parms[1], 0);
7697                         VectorSet(tcmat +  3, tcmod->parms[2], tcmod->parms[3], 0);
7698                         VectorSet(tcmat +  6, 0                   , 0                , 1);
7699                         VectorSet(tcmat +  9, tcmod->parms[4], tcmod->parms[5], 0);
7700                         Matrix4x4_FromArray12FloatGL(&matrix, tcmat);
7701                         break;
7702                 case Q3TCMOD_TURBULENT:
7703                         // this is handled in the RSurf_PrepareVertices function
7704                         matrix = identitymatrix;
7705                         break;
7706         }
7707         temp = *texmatrix;
7708         Matrix4x4_Concat(texmatrix, &matrix, &temp);
7709 }
7710
7711 static void R_LoadQWSkin(r_qwskincache_t *cache, const char *skinname)
7712 {
7713         int textureflags = (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_PICMIP;
7714         char name[MAX_QPATH];
7715         skinframe_t *skinframe;
7716         unsigned char pixels[296*194];
7717         strlcpy(cache->name, skinname, sizeof(cache->name));
7718         dpsnprintf(name, sizeof(name), "skins/%s.pcx", cache->name);
7719         if (developer_loading.integer)
7720                 Con_Printf("loading %s\n", name);
7721         skinframe = R_SkinFrame_Find(name, textureflags, 0, 0, 0, false);
7722         if (!skinframe || !skinframe->base)
7723         {
7724                 unsigned char *f;
7725                 fs_offset_t filesize;
7726                 skinframe = NULL;
7727                 f = FS_LoadFile(name, tempmempool, true, &filesize);
7728                 if (f)
7729                 {
7730                         if (LoadPCX_QWSkin(f, (int)filesize, pixels, 296, 194))
7731                                 skinframe = R_SkinFrame_LoadInternalQuake(name, textureflags, true, r_fullbrights.integer, pixels, image_width, image_height);
7732                         Mem_Free(f);
7733                 }
7734         }
7735         cache->skinframe = skinframe;
7736 }
7737
7738 texture_t *R_GetCurrentTexture(texture_t *t)
7739 {
7740         int i;
7741         const entity_render_t *ent = rsurface.entity;
7742         dp_model_t *model = ent->model;
7743         q3shaderinfo_layer_tcmod_t *tcmod;
7744
7745         if (t->update_lastrenderframe == r_textureframe && t->update_lastrenderentity == (void *)ent)
7746                 return t->currentframe;
7747         t->update_lastrenderframe = r_textureframe;
7748         t->update_lastrenderentity = (void *)ent;
7749
7750         if(ent && ent->entitynumber >= MAX_EDICTS && ent->entitynumber < 2 * MAX_EDICTS)
7751                 t->camera_entity = ent->entitynumber;
7752         else
7753                 t->camera_entity = 0;
7754
7755         // switch to an alternate material if this is a q1bsp animated material
7756         {
7757                 texture_t *texture = t;
7758                 int s = rsurface.ent_skinnum;
7759                 if ((unsigned int)s >= (unsigned int)model->numskins)
7760                         s = 0;
7761                 if (model->skinscenes)
7762                 {
7763                         if (model->skinscenes[s].framecount > 1)
7764                                 s = model->skinscenes[s].firstframe + (unsigned int) (rsurface.shadertime * model->skinscenes[s].framerate) % model->skinscenes[s].framecount;
7765                         else
7766                                 s = model->skinscenes[s].firstframe;
7767                 }
7768                 if (s > 0)
7769                         t = t + s * model->num_surfaces;
7770                 if (t->animated)
7771                 {
7772                         // use an alternate animation if the entity's frame is not 0,
7773                         // and only if the texture has an alternate animation
7774                         if (rsurface.ent_alttextures && t->anim_total[1])
7775                                 t = t->anim_frames[1][(t->anim_total[1] >= 2) ? ((int)(rsurface.shadertime * 5.0f) % t->anim_total[1]) : 0];
7776                         else
7777                                 t = t->anim_frames[0][(t->anim_total[0] >= 2) ? ((int)(rsurface.shadertime * 5.0f) % t->anim_total[0]) : 0];
7778                 }
7779                 texture->currentframe = t;
7780         }
7781
7782         // update currentskinframe to be a qw skin or animation frame
7783         if (rsurface.ent_qwskin >= 0)
7784         {
7785                 i = rsurface.ent_qwskin;
7786                 if (!r_qwskincache || r_qwskincache_size != cl.maxclients)
7787                 {
7788                         r_qwskincache_size = cl.maxclients;
7789                         if (r_qwskincache)
7790                                 Mem_Free(r_qwskincache);
7791                         r_qwskincache = (r_qwskincache_t *)Mem_Alloc(r_main_mempool, sizeof(*r_qwskincache) * r_qwskincache_size);
7792                 }
7793                 if (strcmp(r_qwskincache[i].name, cl.scores[i].qw_skin))
7794                         R_LoadQWSkin(&r_qwskincache[i], cl.scores[i].qw_skin);
7795                 t->currentskinframe = r_qwskincache[i].skinframe;
7796                 if (t->currentskinframe == NULL)
7797                         t->currentskinframe = t->skinframes[LoopingFrameNumberFromDouble(rsurface.shadertime * t->skinframerate, t->numskinframes)];
7798         }
7799         else if (t->numskinframes >= 2)
7800                 t->currentskinframe = t->skinframes[LoopingFrameNumberFromDouble(rsurface.shadertime * t->skinframerate, t->numskinframes)];
7801         if (t->backgroundnumskinframes >= 2)
7802                 t->backgroundcurrentskinframe = t->backgroundskinframes[LoopingFrameNumberFromDouble(rsurface.shadertime * t->backgroundskinframerate, t->backgroundnumskinframes)];
7803
7804         t->currentmaterialflags = t->basematerialflags;
7805         t->currentalpha = rsurface.colormod[3];
7806         if (t->basematerialflags & MATERIALFLAG_WATERALPHA && (model->brush.supportwateralpha || r_novis.integer || r_trippy.integer))
7807                 t->currentalpha *= r_wateralpha.value;
7808         if(t->basematerialflags & MATERIALFLAG_WATERSHADER && r_fb.water.enabled && !r_refdef.view.isoverlay)
7809                 t->currentmaterialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW; // we apply wateralpha later
7810         if(!r_fb.water.enabled || r_refdef.view.isoverlay)
7811                 t->currentmaterialflags &= ~(MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_REFLECTION | MATERIALFLAG_CAMERA);
7812         if (!(rsurface.ent_flags & RENDER_LIGHT))
7813                 t->currentmaterialflags |= MATERIALFLAG_FULLBRIGHT;
7814         else if (FAKELIGHT_ENABLED)
7815         {
7816                 // no modellight if using fakelight for the map
7817         }
7818         else if (rsurface.modeltexcoordlightmap2f == NULL && !(t->currentmaterialflags & MATERIALFLAG_FULLBRIGHT))
7819         {
7820                 // pick a model lighting mode
7821                 if (VectorLength2(rsurface.modellight_diffuse) >= (1.0f / 256.0f))
7822                         t->currentmaterialflags |= MATERIALFLAG_MODELLIGHT | MATERIALFLAG_MODELLIGHT_DIRECTIONAL;
7823                 else
7824                         t->currentmaterialflags |= MATERIALFLAG_MODELLIGHT;
7825         }
7826         if (rsurface.ent_flags & RENDER_ADDITIVE)
7827                 t->currentmaterialflags |= MATERIALFLAG_ADD | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
7828         else if (t->currentalpha < 1)
7829                 t->currentmaterialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
7830         // LordHavoc: prevent bugs where code checks add or alpha at higher priority than customblend by clearing these flags
7831         if (t->currentmaterialflags & MATERIALFLAG_CUSTOMBLEND)
7832                 t->currentmaterialflags &= ~(MATERIALFLAG_ADD | MATERIALFLAG_ALPHA);
7833         if (rsurface.ent_flags & RENDER_DOUBLESIDED)
7834                 t->currentmaterialflags |= MATERIALFLAG_NOSHADOW | MATERIALFLAG_NOCULLFACE;
7835         if (rsurface.ent_flags & (RENDER_NODEPTHTEST | RENDER_VIEWMODEL))
7836                 t->currentmaterialflags |= MATERIALFLAG_SHORTDEPTHRANGE;
7837         if (t->backgroundnumskinframes)
7838                 t->currentmaterialflags |= MATERIALFLAG_VERTEXTEXTUREBLEND;
7839         if (t->currentmaterialflags & MATERIALFLAG_BLENDED)
7840         {
7841                 if (t->currentmaterialflags & (MATERIALFLAG_REFRACTION | MATERIALFLAG_WATERSHADER | MATERIALFLAG_CAMERA))
7842                         t->currentmaterialflags &= ~MATERIALFLAG_BLENDED;
7843         }
7844         else
7845                 t->currentmaterialflags &= ~(MATERIALFLAG_REFRACTION | MATERIALFLAG_WATERSHADER | MATERIALFLAG_CAMERA);
7846         if (vid.allowalphatocoverage && r_transparent_alphatocoverage.integer >= 2 && ((t->currentmaterialflags & (MATERIALFLAG_BLENDED | MATERIALFLAG_ALPHA | MATERIALFLAG_ADD | MATERIALFLAG_CUSTOMBLEND)) == (MATERIALFLAG_BLENDED | MATERIALFLAG_ALPHA)))
7847         {
7848                 // promote alphablend to alphatocoverage (a type of alphatest) if antialiasing is on
7849                 t->currentmaterialflags = (t->currentmaterialflags & ~(MATERIALFLAG_BLENDED | MATERIALFLAG_ALPHA)) | MATERIALFLAG_ALPHATEST;
7850         }
7851         if ((t->currentmaterialflags & (MATERIALFLAG_BLENDED | MATERIALFLAG_NODEPTHTEST)) == MATERIALFLAG_BLENDED && r_transparentdepthmasking.integer && !(t->basematerialflags & MATERIALFLAG_BLENDED))
7852                 t->currentmaterialflags |= MATERIALFLAG_TRANSDEPTH;
7853
7854         // there is no tcmod
7855         if (t->currentmaterialflags & MATERIALFLAG_WATERSCROLL)
7856         {
7857                 t->currenttexmatrix = r_waterscrollmatrix;
7858                 t->currentbackgroundtexmatrix = r_waterscrollmatrix;
7859         }
7860         else if (!(t->currentmaterialflags & MATERIALFLAG_CUSTOMSURFACE))
7861         {
7862                 Matrix4x4_CreateIdentity(&t->currenttexmatrix);
7863                 Matrix4x4_CreateIdentity(&t->currentbackgroundtexmatrix);
7864         }
7865
7866         for (i = 0, tcmod = t->tcmods;i < Q3MAXTCMODS && tcmod->tcmod;i++, tcmod++)
7867                 R_tcMod_ApplyToMatrix(&t->currenttexmatrix, tcmod, t->currentmaterialflags);
7868         for (i = 0, tcmod = t->backgroundtcmods;i < Q3MAXTCMODS && tcmod->tcmod;i++, tcmod++)
7869                 R_tcMod_ApplyToMatrix(&t->currentbackgroundtexmatrix, tcmod, t->currentmaterialflags);
7870
7871         t->colormapping = VectorLength2(rsurface.colormap_pantscolor) + VectorLength2(rsurface.colormap_shirtcolor) >= (1.0f / 1048576.0f);
7872         if (t->currentskinframe->qpixels)
7873                 R_SkinFrame_GenerateTexturesFromQPixels(t->currentskinframe, t->colormapping);
7874         t->basetexture = (!t->colormapping && t->currentskinframe->merged) ? t->currentskinframe->merged : t->currentskinframe->base;
7875         if (!t->basetexture)
7876                 t->basetexture = r_texture_notexture;
7877         t->pantstexture = t->colormapping ? t->currentskinframe->pants : NULL;
7878         t->shirttexture = t->colormapping ? t->currentskinframe->shirt : NULL;
7879         t->nmaptexture = t->currentskinframe->nmap;
7880         if (!t->nmaptexture)
7881                 t->nmaptexture = r_texture_blanknormalmap;
7882         t->glosstexture = r_texture_black;
7883         t->glowtexture = t->currentskinframe->glow;
7884         t->fogtexture = t->currentskinframe->fog;
7885         t->reflectmasktexture = t->currentskinframe->reflect;
7886         if (t->backgroundnumskinframes)
7887         {
7888                 t->backgroundbasetexture = (!t->colormapping && t->backgroundcurrentskinframe->merged) ? t->backgroundcurrentskinframe->merged : t->backgroundcurrentskinframe->base;
7889                 t->backgroundnmaptexture = t->backgroundcurrentskinframe->nmap;
7890                 t->backgroundglosstexture = r_texture_black;
7891                 t->backgroundglowtexture = t->backgroundcurrentskinframe->glow;
7892                 if (!t->backgroundnmaptexture)
7893                         t->backgroundnmaptexture = r_texture_blanknormalmap;
7894         }
7895         else
7896         {
7897                 t->backgroundbasetexture = r_texture_white;
7898                 t->backgroundnmaptexture = r_texture_blanknormalmap;
7899                 t->backgroundglosstexture = r_texture_black;
7900                 t->backgroundglowtexture = NULL;
7901         }
7902         t->specularpower = r_shadow_glossexponent.value;
7903         // TODO: store reference values for these in the texture?
7904         t->specularscale = 0;
7905         if (r_shadow_gloss.integer > 0)
7906         {
7907                 if (t->currentskinframe->gloss || (t->backgroundcurrentskinframe && t->backgroundcurrentskinframe->gloss))
7908                 {
7909                         if (r_shadow_glossintensity.value > 0)
7910                         {
7911                                 t->glosstexture = t->currentskinframe->gloss ? t->currentskinframe->gloss : r_texture_white;
7912                                 t->backgroundglosstexture = (t->backgroundcurrentskinframe && t->backgroundcurrentskinframe->gloss) ? t->backgroundcurrentskinframe->gloss : r_texture_white;
7913                                 t->specularscale = r_shadow_glossintensity.value;
7914                         }
7915                 }
7916                 else if (r_shadow_gloss.integer >= 2 && r_shadow_gloss2intensity.value > 0)
7917                 {
7918                         t->glosstexture = r_texture_white;
7919                         t->backgroundglosstexture = r_texture_white;
7920                         t->specularscale = r_shadow_gloss2intensity.value;
7921                         t->specularpower = r_shadow_gloss2exponent.value;
7922                 }
7923         }
7924         t->specularscale *= t->specularscalemod;
7925         t->specularpower *= t->specularpowermod;
7926         t->rtlightambient = 0;
7927
7928         // lightmaps mode looks bad with dlights using actual texturing, so turn
7929         // off the colormap and glossmap, but leave the normalmap on as it still
7930         // accurately represents the shading involved
7931         if (gl_lightmaps.integer)
7932         {
7933                 t->basetexture = r_texture_grey128;
7934                 t->pantstexture = r_texture_black;
7935                 t->shirttexture = r_texture_black;
7936                 t->nmaptexture = r_texture_blanknormalmap;
7937                 t->glosstexture = r_texture_black;
7938                 t->glowtexture = NULL;
7939                 t->fogtexture = NULL;
7940                 t->reflectmasktexture = NULL;
7941                 t->backgroundbasetexture = NULL;
7942                 t->backgroundnmaptexture = r_texture_blanknormalmap;
7943                 t->backgroundglosstexture = r_texture_black;
7944                 t->backgroundglowtexture = NULL;
7945                 t->specularscale = 0;
7946                 t->currentmaterialflags = MATERIALFLAG_WALL | (t->currentmaterialflags & (MATERIALFLAG_NOCULLFACE | MATERIALFLAG_MODELLIGHT | MATERIALFLAG_MODELLIGHT_DIRECTIONAL | MATERIALFLAG_NODEPTHTEST | MATERIALFLAG_SHORTDEPTHRANGE));
7947         }
7948
7949         Vector4Set(t->lightmapcolor, rsurface.colormod[0], rsurface.colormod[1], rsurface.colormod[2], t->currentalpha);
7950         VectorClear(t->dlightcolor);
7951         t->currentnumlayers = 0;
7952         if (t->currentmaterialflags & MATERIALFLAG_WALL)
7953         {
7954                 int blendfunc1, blendfunc2;
7955                 qboolean depthmask;
7956                 if (t->currentmaterialflags & MATERIALFLAG_ADD)
7957                 {
7958                         blendfunc1 = GL_SRC_ALPHA;
7959                         blendfunc2 = GL_ONE;
7960                 }
7961                 else if (t->currentmaterialflags & MATERIALFLAG_ALPHA)
7962                 {
7963                         blendfunc1 = GL_SRC_ALPHA;
7964                         blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
7965                 }
7966                 else if (t->currentmaterialflags & MATERIALFLAG_CUSTOMBLEND)
7967                 {
7968                         blendfunc1 = t->customblendfunc[0];
7969                         blendfunc2 = t->customblendfunc[1];
7970                 }
7971                 else
7972                 {
7973                         blendfunc1 = GL_ONE;
7974                         blendfunc2 = GL_ZERO;
7975                 }
7976                 // don't colormod evilblend textures
7977                 if(!R_BlendFuncFlags(blendfunc1, blendfunc2) & BLENDFUNC_ALLOWS_COLORMOD)
7978                         VectorSet(t->lightmapcolor, 1, 1, 1);
7979                 depthmask = !(t->currentmaterialflags & MATERIALFLAG_BLENDED);
7980                 if (t->currentmaterialflags & MATERIALFLAG_FULLBRIGHT)
7981                 {
7982                         // fullbright is not affected by r_refdef.lightmapintensity
7983                         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]);
7984                         if (VectorLength2(rsurface.colormap_pantscolor) >= (1.0f / 1048576.0f) && t->pantstexture)
7985                                 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]);
7986                         if (VectorLength2(rsurface.colormap_shirtcolor) >= (1.0f / 1048576.0f) && t->shirttexture)
7987                                 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]);
7988                 }
7989                 else
7990                 {
7991                         vec3_t ambientcolor;
7992                         float colorscale;
7993                         // set the color tint used for lights affecting this surface
7994                         VectorSet(t->dlightcolor, t->lightmapcolor[0] * t->lightmapcolor[3], t->lightmapcolor[1] * t->lightmapcolor[3], t->lightmapcolor[2] * t->lightmapcolor[3]);
7995                         colorscale = 2;
7996                         // q3bsp has no lightmap updates, so the lightstylevalue that
7997                         // would normally be baked into the lightmap must be
7998                         // applied to the color
7999                         // FIXME: r_glsl 1 rendering doesn't support overbright lightstyles with this (the default light style is not overbright)
8000                         if (model->type == mod_brushq3)
8001                                 colorscale *= r_refdef.scene.rtlightstylevalue[0];
8002                         colorscale *= r_refdef.lightmapintensity;
8003                         VectorScale(t->lightmapcolor, r_refdef.scene.ambient, ambientcolor);
8004                         VectorScale(t->lightmapcolor, colorscale, t->lightmapcolor);
8005                         // basic lit geometry
8006                         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]);
8007                         // add pants/shirt if needed
8008                         if (VectorLength2(rsurface.colormap_pantscolor) >= (1.0f / 1048576.0f) && t->pantstexture)
8009                                 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]);
8010                         if (VectorLength2(rsurface.colormap_shirtcolor) >= (1.0f / 1048576.0f) && t->shirttexture)
8011                                 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]);
8012                         // now add ambient passes if needed
8013                         if (VectorLength2(ambientcolor) >= (1.0f/1048576.0f))
8014                         {
8015                                 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]);
8016                                 if (VectorLength2(rsurface.colormap_pantscolor) >= (1.0f / 1048576.0f) && t->pantstexture)
8017                                         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]);
8018                                 if (VectorLength2(rsurface.colormap_shirtcolor) >= (1.0f / 1048576.0f) && t->shirttexture)
8019                                         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]);
8020                         }
8021                 }
8022                 if (t->glowtexture != NULL && !gl_lightmaps.integer)
8023                         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]);
8024                 if (r_refdef.fogenabled && !(t->currentmaterialflags & MATERIALFLAG_ADD))
8025                 {
8026                         // if this is opaque use alpha blend which will darken the earlier
8027                         // passes cheaply.
8028                         //
8029                         // if this is an alpha blended material, all the earlier passes
8030                         // were darkened by fog already, so we only need to add the fog
8031                         // color ontop through the fog mask texture
8032                         //
8033                         // if this is an additive blended material, all the earlier passes
8034                         // were darkened by fog already, and we should not add fog color
8035                         // (because the background was not darkened, there is no fog color
8036                         // that was lost behind it).
8037                         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]);
8038                 }
8039         }
8040
8041         return t->currentframe;
8042 }
8043
8044 rsurfacestate_t rsurface;
8045
8046 void RSurf_ActiveWorldEntity(void)
8047 {
8048         dp_model_t *model = r_refdef.scene.worldmodel;
8049         //if (rsurface.entity == r_refdef.scene.worldentity)
8050         //      return;
8051         rsurface.entity = r_refdef.scene.worldentity;
8052         rsurface.skeleton = NULL;
8053         memset(rsurface.userwavefunc_param, 0, sizeof(rsurface.userwavefunc_param));
8054         rsurface.ent_skinnum = 0;
8055         rsurface.ent_qwskin = -1;
8056         rsurface.ent_flags = r_refdef.scene.worldentity->flags;
8057         rsurface.shadertime = r_refdef.scene.time;
8058         rsurface.matrix = identitymatrix;
8059         rsurface.inversematrix = identitymatrix;
8060         rsurface.matrixscale = 1;
8061         rsurface.inversematrixscale = 1;
8062         R_EntityMatrix(&identitymatrix);
8063         VectorCopy(r_refdef.view.origin, rsurface.localvieworigin);
8064         Vector4Copy(r_refdef.fogplane, rsurface.fogplane);
8065         rsurface.fograngerecip = r_refdef.fograngerecip;
8066         rsurface.fogheightfade = r_refdef.fogheightfade;
8067         rsurface.fogplaneviewdist = r_refdef.fogplaneviewdist;
8068         rsurface.fogmasktabledistmultiplier = FOGMASKTABLEWIDTH * rsurface.fograngerecip;
8069         VectorSet(rsurface.modellight_ambient, 0, 0, 0);
8070         VectorSet(rsurface.modellight_diffuse, 0, 0, 0);
8071         VectorSet(rsurface.modellight_lightdir, 0, 0, 1);
8072         VectorSet(rsurface.colormap_pantscolor, 0, 0, 0);
8073         VectorSet(rsurface.colormap_shirtcolor, 0, 0, 0);
8074         VectorSet(rsurface.colormod, r_refdef.view.colorscale, r_refdef.view.colorscale, r_refdef.view.colorscale);
8075         rsurface.colormod[3] = 1;
8076         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);
8077         memset(rsurface.frameblend, 0, sizeof(rsurface.frameblend));
8078         rsurface.frameblend[0].lerp = 1;
8079         rsurface.ent_alttextures = false;
8080         rsurface.basepolygonfactor = r_refdef.polygonfactor;
8081         rsurface.basepolygonoffset = r_refdef.polygonoffset;
8082         rsurface.modelvertex3f  = model->surfmesh.data_vertex3f;
8083         rsurface.modelvertex3f_vertexbuffer = model->surfmesh.vbo_vertexbuffer;
8084         rsurface.modelvertex3f_bufferoffset = model->surfmesh.vbooffset_vertex3f;
8085         rsurface.modelsvector3f = model->surfmesh.data_svector3f;
8086         rsurface.modelsvector3f_vertexbuffer = model->surfmesh.vbo_vertexbuffer;
8087         rsurface.modelsvector3f_bufferoffset = model->surfmesh.vbooffset_svector3f;
8088         rsurface.modeltvector3f = model->surfmesh.data_tvector3f;
8089         rsurface.modeltvector3f_vertexbuffer = model->surfmesh.vbo_vertexbuffer;
8090         rsurface.modeltvector3f_bufferoffset = model->surfmesh.vbooffset_tvector3f;
8091         rsurface.modelnormal3f  = model->surfmesh.data_normal3f;
8092         rsurface.modelnormal3f_vertexbuffer = model->surfmesh.vbo_vertexbuffer;
8093         rsurface.modelnormal3f_bufferoffset = model->surfmesh.vbooffset_normal3f;
8094         rsurface.modellightmapcolor4f  = model->surfmesh.data_lightmapcolor4f;
8095         rsurface.modellightmapcolor4f_vertexbuffer = model->surfmesh.vbo_vertexbuffer;
8096         rsurface.modellightmapcolor4f_bufferoffset = model->surfmesh.vbooffset_lightmapcolor4f;
8097         rsurface.modeltexcoordtexture2f  = model->surfmesh.data_texcoordtexture2f;
8098         rsurface.modeltexcoordtexture2f_vertexbuffer = model->surfmesh.vbo_vertexbuffer;
8099         rsurface.modeltexcoordtexture2f_bufferoffset = model->surfmesh.vbooffset_texcoordtexture2f;
8100         rsurface.modeltexcoordlightmap2f  = model->surfmesh.data_texcoordlightmap2f;
8101         rsurface.modeltexcoordlightmap2f_vertexbuffer = model->surfmesh.vbo_vertexbuffer;
8102         rsurface.modeltexcoordlightmap2f_bufferoffset = model->surfmesh.vbooffset_texcoordlightmap2f;
8103         rsurface.modelelement3i = model->surfmesh.data_element3i;
8104         rsurface.modelelement3i_indexbuffer = model->surfmesh.data_element3i_indexbuffer;
8105         rsurface.modelelement3i_bufferoffset = model->surfmesh.data_element3i_bufferoffset;
8106         rsurface.modelelement3s = model->surfmesh.data_element3s;
8107         rsurface.modelelement3s_indexbuffer = model->surfmesh.data_element3s_indexbuffer;
8108         rsurface.modelelement3s_bufferoffset = model->surfmesh.data_element3s_bufferoffset;
8109         rsurface.modellightmapoffsets = model->surfmesh.data_lightmapoffsets;
8110         rsurface.modelnumvertices = model->surfmesh.num_vertices;
8111         rsurface.modelnumtriangles = model->surfmesh.num_triangles;
8112         rsurface.modelsurfaces = model->data_surfaces;
8113         rsurface.modelvertexmesh = model->surfmesh.vertexmesh;
8114         rsurface.modelvertexmeshbuffer = model->surfmesh.vertexmeshbuffer;
8115         rsurface.modelvertex3fbuffer = model->surfmesh.vertex3fbuffer;
8116         rsurface.modelgeneratedvertex = false;
8117         rsurface.batchgeneratedvertex = false;
8118         rsurface.batchfirstvertex = 0;
8119         rsurface.batchnumvertices = 0;
8120         rsurface.batchfirsttriangle = 0;
8121         rsurface.batchnumtriangles = 0;
8122         rsurface.batchvertex3f  = NULL;
8123         rsurface.batchvertex3f_vertexbuffer = NULL;
8124         rsurface.batchvertex3f_bufferoffset = 0;
8125         rsurface.batchsvector3f = NULL;
8126         rsurface.batchsvector3f_vertexbuffer = NULL;
8127         rsurface.batchsvector3f_bufferoffset = 0;
8128         rsurface.batchtvector3f = NULL;
8129         rsurface.batchtvector3f_vertexbuffer = NULL;
8130         rsurface.batchtvector3f_bufferoffset = 0;
8131         rsurface.batchnormal3f  = NULL;
8132         rsurface.batchnormal3f_vertexbuffer = NULL;
8133         rsurface.batchnormal3f_bufferoffset = 0;
8134         rsurface.batchlightmapcolor4f = NULL;
8135         rsurface.batchlightmapcolor4f_vertexbuffer = NULL;
8136         rsurface.batchlightmapcolor4f_bufferoffset = 0;
8137         rsurface.batchtexcoordtexture2f = NULL;
8138         rsurface.batchtexcoordtexture2f_vertexbuffer = NULL;
8139         rsurface.batchtexcoordtexture2f_bufferoffset = 0;
8140         rsurface.batchtexcoordlightmap2f = NULL;
8141         rsurface.batchtexcoordlightmap2f_vertexbuffer = NULL;
8142         rsurface.batchtexcoordlightmap2f_bufferoffset = 0;
8143         rsurface.batchvertexmesh = NULL;
8144         rsurface.batchvertexmeshbuffer = NULL;
8145         rsurface.batchvertex3fbuffer = NULL;
8146         rsurface.batchelement3i = NULL;
8147         rsurface.batchelement3i_indexbuffer = NULL;
8148         rsurface.batchelement3i_bufferoffset = 0;
8149         rsurface.batchelement3s = NULL;
8150         rsurface.batchelement3s_indexbuffer = NULL;
8151         rsurface.batchelement3s_bufferoffset = 0;
8152         rsurface.passcolor4f = NULL;
8153         rsurface.passcolor4f_vertexbuffer = NULL;
8154         rsurface.passcolor4f_bufferoffset = 0;
8155 }
8156
8157 void RSurf_ActiveModelEntity(const entity_render_t *ent, qboolean wantnormals, qboolean wanttangents, qboolean prepass)
8158 {
8159         dp_model_t *model = ent->model;
8160         //if (rsurface.entity == ent && (!model->surfmesh.isanimated || (!wantnormals && !wanttangents)))
8161         //      return;
8162         rsurface.entity = (entity_render_t *)ent;
8163         rsurface.skeleton = ent->skeleton;
8164         memcpy(rsurface.userwavefunc_param, ent->userwavefunc_param, sizeof(rsurface.userwavefunc_param));
8165         rsurface.ent_skinnum = ent->skinnum;
8166         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;
8167         rsurface.ent_flags = ent->flags;
8168         rsurface.shadertime = r_refdef.scene.time - ent->shadertime;
8169         rsurface.matrix = ent->matrix;
8170         rsurface.inversematrix = ent->inversematrix;
8171         rsurface.matrixscale = Matrix4x4_ScaleFromMatrix(&rsurface.matrix);
8172         rsurface.inversematrixscale = 1.0f / rsurface.matrixscale;
8173         R_EntityMatrix(&rsurface.matrix);
8174         Matrix4x4_Transform(&rsurface.inversematrix, r_refdef.view.origin, rsurface.localvieworigin);
8175         Matrix4x4_TransformStandardPlane(&rsurface.inversematrix, r_refdef.fogplane[0], r_refdef.fogplane[1], r_refdef.fogplane[2], r_refdef.fogplane[3], rsurface.fogplane);
8176         rsurface.fogplaneviewdist *= rsurface.inversematrixscale;
8177         rsurface.fograngerecip = r_refdef.fograngerecip * rsurface.matrixscale;
8178         rsurface.fogheightfade = r_refdef.fogheightfade * rsurface.matrixscale;
8179         rsurface.fogmasktabledistmultiplier = FOGMASKTABLEWIDTH * rsurface.fograngerecip;
8180         VectorCopy(ent->modellight_ambient, rsurface.modellight_ambient);
8181         VectorCopy(ent->modellight_diffuse, rsurface.modellight_diffuse);
8182         VectorCopy(ent->modellight_lightdir, rsurface.modellight_lightdir);
8183         VectorCopy(ent->colormap_pantscolor, rsurface.colormap_pantscolor);
8184         VectorCopy(ent->colormap_shirtcolor, rsurface.colormap_shirtcolor);
8185         VectorScale(ent->colormod, r_refdef.view.colorscale, rsurface.colormod);
8186         rsurface.colormod[3] = ent->alpha;
8187         VectorScale(ent->glowmod, r_refdef.view.colorscale * r_hdr_glowintensity.value, rsurface.glowmod);
8188         memcpy(rsurface.frameblend, ent->frameblend, sizeof(ent->frameblend));
8189         rsurface.ent_alttextures = ent->framegroupblend[0].frame != 0;
8190         rsurface.basepolygonfactor = r_refdef.polygonfactor;
8191         rsurface.basepolygonoffset = r_refdef.polygonoffset;
8192         if (ent->model->brush.submodel && !prepass)
8193         {
8194                 rsurface.basepolygonfactor += r_polygonoffset_submodel_factor.value;
8195                 rsurface.basepolygonoffset += r_polygonoffset_submodel_offset.value;
8196         }
8197         if (model->surfmesh.isanimated && model->AnimateVertices)
8198         {
8199                 if (ent->animcache_vertex3f)
8200                 {
8201                         rsurface.modelvertex3f = ent->animcache_vertex3f;
8202                         rsurface.modelsvector3f = wanttangents ? ent->animcache_svector3f : NULL;
8203                         rsurface.modeltvector3f = wanttangents ? ent->animcache_tvector3f : NULL;
8204                         rsurface.modelnormal3f = wantnormals ? ent->animcache_normal3f : NULL;
8205                         rsurface.modelvertexmesh = ent->animcache_vertexmesh;
8206                         rsurface.modelvertexmeshbuffer = ent->animcache_vertexmeshbuffer;
8207                         rsurface.modelvertex3fbuffer = ent->animcache_vertex3fbuffer;
8208                 }
8209                 else if (wanttangents)
8210                 {
8211                         rsurface.modelvertex3f = (float *)R_FrameData_Alloc(model->surfmesh.num_vertices * sizeof(float[3]));
8212                         rsurface.modelsvector3f = (float *)R_FrameData_Alloc(model->surfmesh.num_vertices * sizeof(float[3]));
8213                         rsurface.modeltvector3f = (float *)R_FrameData_Alloc(model->surfmesh.num_vertices * sizeof(float[3]));
8214                         rsurface.modelnormal3f = (float *)R_FrameData_Alloc(model->surfmesh.num_vertices * sizeof(float[3]));
8215                         model->AnimateVertices(model, rsurface.frameblend, rsurface.skeleton, rsurface.modelvertex3f, rsurface.modelnormal3f, rsurface.modelsvector3f, rsurface.modeltvector3f);
8216                         rsurface.modelvertexmesh = NULL;
8217                         rsurface.modelvertexmeshbuffer = NULL;
8218                         rsurface.modelvertex3fbuffer = NULL;
8219                 }
8220                 else if (wantnormals)
8221                 {
8222                         rsurface.modelvertex3f = (float *)R_FrameData_Alloc(model->surfmesh.num_vertices * sizeof(float[3]));
8223                         rsurface.modelsvector3f = NULL;
8224                         rsurface.modeltvector3f = NULL;
8225                         rsurface.modelnormal3f = (float *)R_FrameData_Alloc(model->surfmesh.num_vertices * sizeof(float[3]));
8226                         model->AnimateVertices(model, rsurface.frameblend, rsurface.skeleton, rsurface.modelvertex3f, rsurface.modelnormal3f, NULL, NULL);
8227                         rsurface.modelvertexmesh = NULL;
8228                         rsurface.modelvertexmeshbuffer = NULL;
8229                         rsurface.modelvertex3fbuffer = NULL;
8230                 }
8231                 else
8232                 {
8233                         rsurface.modelvertex3f = (float *)R_FrameData_Alloc(model->surfmesh.num_vertices * sizeof(float[3]));
8234                         rsurface.modelsvector3f = NULL;
8235                         rsurface.modeltvector3f = NULL;
8236                         rsurface.modelnormal3f = NULL;
8237                         model->AnimateVertices(model, rsurface.frameblend, rsurface.skeleton, rsurface.modelvertex3f, NULL, NULL, NULL);
8238                         rsurface.modelvertexmesh = NULL;
8239                         rsurface.modelvertexmeshbuffer = NULL;
8240                         rsurface.modelvertex3fbuffer = NULL;
8241                 }
8242                 rsurface.modelvertex3f_vertexbuffer = 0;
8243                 rsurface.modelvertex3f_bufferoffset = 0;
8244                 rsurface.modelsvector3f_vertexbuffer = 0;
8245                 rsurface.modelsvector3f_bufferoffset = 0;
8246                 rsurface.modeltvector3f_vertexbuffer = 0;
8247                 rsurface.modeltvector3f_bufferoffset = 0;
8248                 rsurface.modelnormal3f_vertexbuffer = 0;
8249                 rsurface.modelnormal3f_bufferoffset = 0;
8250                 rsurface.modelgeneratedvertex = true;
8251         }
8252         else
8253         {
8254                 rsurface.modelvertex3f  = model->surfmesh.data_vertex3f;
8255                 rsurface.modelvertex3f_vertexbuffer = model->surfmesh.vbo_vertexbuffer;
8256                 rsurface.modelvertex3f_bufferoffset = model->surfmesh.vbooffset_vertex3f;
8257                 rsurface.modelsvector3f = model->surfmesh.data_svector3f;
8258                 rsurface.modelsvector3f_vertexbuffer = model->surfmesh.vbo_vertexbuffer;
8259                 rsurface.modelsvector3f_bufferoffset = model->surfmesh.vbooffset_svector3f;
8260                 rsurface.modeltvector3f = model->surfmesh.data_tvector3f;
8261                 rsurface.modeltvector3f_vertexbuffer = model->surfmesh.vbo_vertexbuffer;
8262                 rsurface.modeltvector3f_bufferoffset = model->surfmesh.vbooffset_tvector3f;
8263                 rsurface.modelnormal3f  = model->surfmesh.data_normal3f;
8264                 rsurface.modelnormal3f_vertexbuffer = model->surfmesh.vbo_vertexbuffer;
8265                 rsurface.modelnormal3f_bufferoffset = model->surfmesh.vbooffset_normal3f;
8266                 rsurface.modelvertexmesh = model->surfmesh.vertexmesh;
8267                 rsurface.modelvertexmeshbuffer = model->surfmesh.vertexmeshbuffer;
8268                 rsurface.modelvertex3fbuffer = model->surfmesh.vertex3fbuffer;
8269                 rsurface.modelgeneratedvertex = false;
8270         }
8271         rsurface.modellightmapcolor4f  = model->surfmesh.data_lightmapcolor4f;
8272         rsurface.modellightmapcolor4f_vertexbuffer = model->surfmesh.vbo_vertexbuffer;
8273         rsurface.modellightmapcolor4f_bufferoffset = model->surfmesh.vbooffset_lightmapcolor4f;
8274         rsurface.modeltexcoordtexture2f  = model->surfmesh.data_texcoordtexture2f;
8275         rsurface.modeltexcoordtexture2f_vertexbuffer = model->surfmesh.vbo_vertexbuffer;
8276         rsurface.modeltexcoordtexture2f_bufferoffset = model->surfmesh.vbooffset_texcoordtexture2f;
8277         rsurface.modeltexcoordlightmap2f  = model->surfmesh.data_texcoordlightmap2f;
8278         rsurface.modeltexcoordlightmap2f_vertexbuffer = model->surfmesh.vbo_vertexbuffer;
8279         rsurface.modeltexcoordlightmap2f_bufferoffset = model->surfmesh.vbooffset_texcoordlightmap2f;
8280         rsurface.modelelement3i = model->surfmesh.data_element3i;
8281         rsurface.modelelement3i_indexbuffer = model->surfmesh.data_element3i_indexbuffer;
8282         rsurface.modelelement3i_bufferoffset = model->surfmesh.data_element3i_bufferoffset;
8283         rsurface.modelelement3s = model->surfmesh.data_element3s;
8284         rsurface.modelelement3s_indexbuffer = model->surfmesh.data_element3s_indexbuffer;
8285         rsurface.modelelement3s_bufferoffset = model->surfmesh.data_element3s_bufferoffset;
8286         rsurface.modellightmapoffsets = model->surfmesh.data_lightmapoffsets;
8287         rsurface.modelnumvertices = model->surfmesh.num_vertices;
8288         rsurface.modelnumtriangles = model->surfmesh.num_triangles;
8289         rsurface.modelsurfaces = model->data_surfaces;
8290         rsurface.batchgeneratedvertex = false;
8291         rsurface.batchfirstvertex = 0;
8292         rsurface.batchnumvertices = 0;
8293         rsurface.batchfirsttriangle = 0;
8294         rsurface.batchnumtriangles = 0;
8295         rsurface.batchvertex3f  = NULL;
8296         rsurface.batchvertex3f_vertexbuffer = NULL;
8297         rsurface.batchvertex3f_bufferoffset = 0;
8298         rsurface.batchsvector3f = NULL;
8299         rsurface.batchsvector3f_vertexbuffer = NULL;
8300         rsurface.batchsvector3f_bufferoffset = 0;
8301         rsurface.batchtvector3f = NULL;
8302         rsurface.batchtvector3f_vertexbuffer = NULL;
8303         rsurface.batchtvector3f_bufferoffset = 0;
8304         rsurface.batchnormal3f  = NULL;
8305         rsurface.batchnormal3f_vertexbuffer = NULL;
8306         rsurface.batchnormal3f_bufferoffset = 0;
8307         rsurface.batchlightmapcolor4f = NULL;
8308         rsurface.batchlightmapcolor4f_vertexbuffer = NULL;
8309         rsurface.batchlightmapcolor4f_bufferoffset = 0;
8310         rsurface.batchtexcoordtexture2f = NULL;
8311         rsurface.batchtexcoordtexture2f_vertexbuffer = NULL;
8312         rsurface.batchtexcoordtexture2f_bufferoffset = 0;
8313         rsurface.batchtexcoordlightmap2f = NULL;
8314         rsurface.batchtexcoordlightmap2f_vertexbuffer = NULL;
8315         rsurface.batchtexcoordlightmap2f_bufferoffset = 0;
8316         rsurface.batchvertexmesh = NULL;
8317         rsurface.batchvertexmeshbuffer = NULL;
8318         rsurface.batchvertex3fbuffer = NULL;
8319         rsurface.batchelement3i = NULL;
8320         rsurface.batchelement3i_indexbuffer = NULL;
8321         rsurface.batchelement3i_bufferoffset = 0;
8322         rsurface.batchelement3s = NULL;
8323         rsurface.batchelement3s_indexbuffer = NULL;
8324         rsurface.batchelement3s_bufferoffset = 0;
8325         rsurface.passcolor4f = NULL;
8326         rsurface.passcolor4f_vertexbuffer = NULL;
8327         rsurface.passcolor4f_bufferoffset = 0;
8328 }
8329
8330 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)
8331 {
8332         rsurface.entity = r_refdef.scene.worldentity;
8333         rsurface.skeleton = NULL;
8334         rsurface.ent_skinnum = 0;
8335         rsurface.ent_qwskin = -1;
8336         rsurface.ent_flags = entflags;
8337         rsurface.shadertime = r_refdef.scene.time - shadertime;
8338         rsurface.modelnumvertices = numvertices;
8339         rsurface.modelnumtriangles = numtriangles;
8340         rsurface.matrix = *matrix;
8341         rsurface.inversematrix = *inversematrix;
8342         rsurface.matrixscale = Matrix4x4_ScaleFromMatrix(&rsurface.matrix);
8343         rsurface.inversematrixscale = 1.0f / rsurface.matrixscale;
8344         R_EntityMatrix(&rsurface.matrix);
8345         Matrix4x4_Transform(&rsurface.inversematrix, r_refdef.view.origin, rsurface.localvieworigin);
8346         Matrix4x4_TransformStandardPlane(&rsurface.inversematrix, r_refdef.fogplane[0], r_refdef.fogplane[1], r_refdef.fogplane[2], r_refdef.fogplane[3], rsurface.fogplane);
8347         rsurface.fogplaneviewdist *= rsurface.inversematrixscale;
8348         rsurface.fograngerecip = r_refdef.fograngerecip * rsurface.matrixscale;
8349         rsurface.fogheightfade = r_refdef.fogheightfade * rsurface.matrixscale;
8350         rsurface.fogmasktabledistmultiplier = FOGMASKTABLEWIDTH * rsurface.fograngerecip;
8351         VectorSet(rsurface.modellight_ambient, 0, 0, 0);
8352         VectorSet(rsurface.modellight_diffuse, 0, 0, 0);
8353         VectorSet(rsurface.modellight_lightdir, 0, 0, 1);
8354         VectorSet(rsurface.colormap_pantscolor, 0, 0, 0);
8355         VectorSet(rsurface.colormap_shirtcolor, 0, 0, 0);
8356         Vector4Set(rsurface.colormod, r * r_refdef.view.colorscale, g * r_refdef.view.colorscale, b * r_refdef.view.colorscale, a);
8357         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);
8358         memset(rsurface.frameblend, 0, sizeof(rsurface.frameblend));
8359         rsurface.frameblend[0].lerp = 1;
8360         rsurface.ent_alttextures = false;
8361         rsurface.basepolygonfactor = r_refdef.polygonfactor;
8362         rsurface.basepolygonoffset = r_refdef.polygonoffset;
8363         if (wanttangents)
8364         {
8365                 rsurface.modelvertex3f = (float *)vertex3f;
8366                 rsurface.modelsvector3f = svector3f ? (float *)svector3f : (float *)R_FrameData_Alloc(rsurface.modelnumvertices * sizeof(float[3]));
8367                 rsurface.modeltvector3f = tvector3f ? (float *)tvector3f : (float *)R_FrameData_Alloc(rsurface.modelnumvertices * sizeof(float[3]));
8368                 rsurface.modelnormal3f = normal3f ? (float *)normal3f : (float *)R_FrameData_Alloc(rsurface.modelnumvertices * sizeof(float[3]));
8369         }
8370         else if (wantnormals)
8371         {
8372                 rsurface.modelvertex3f = (float *)vertex3f;
8373                 rsurface.modelsvector3f = NULL;
8374                 rsurface.modeltvector3f = NULL;
8375                 rsurface.modelnormal3f = normal3f ? (float *)normal3f : (float *)R_FrameData_Alloc(rsurface.modelnumvertices * sizeof(float[3]));
8376         }
8377         else
8378         {
8379                 rsurface.modelvertex3f = (float *)vertex3f;
8380                 rsurface.modelsvector3f = NULL;
8381                 rsurface.modeltvector3f = NULL;
8382                 rsurface.modelnormal3f = NULL;
8383         }
8384         rsurface.modelvertexmesh = NULL;
8385         rsurface.modelvertexmeshbuffer = NULL;
8386         rsurface.modelvertex3fbuffer = NULL;
8387         rsurface.modelvertex3f_vertexbuffer = 0;
8388         rsurface.modelvertex3f_bufferoffset = 0;
8389         rsurface.modelsvector3f_vertexbuffer = 0;
8390         rsurface.modelsvector3f_bufferoffset = 0;
8391         rsurface.modeltvector3f_vertexbuffer = 0;
8392         rsurface.modeltvector3f_bufferoffset = 0;
8393         rsurface.modelnormal3f_vertexbuffer = 0;
8394         rsurface.modelnormal3f_bufferoffset = 0;
8395         rsurface.modelgeneratedvertex = true;
8396         rsurface.modellightmapcolor4f  = (float *)color4f;
8397         rsurface.modellightmapcolor4f_vertexbuffer = 0;
8398         rsurface.modellightmapcolor4f_bufferoffset = 0;
8399         rsurface.modeltexcoordtexture2f  = (float *)texcoord2f;
8400         rsurface.modeltexcoordtexture2f_vertexbuffer = 0;
8401         rsurface.modeltexcoordtexture2f_bufferoffset = 0;
8402         rsurface.modeltexcoordlightmap2f  = NULL;
8403         rsurface.modeltexcoordlightmap2f_vertexbuffer = 0;
8404         rsurface.modeltexcoordlightmap2f_bufferoffset = 0;
8405         rsurface.modelelement3i = (int *)element3i;
8406         rsurface.modelelement3i_indexbuffer = NULL;
8407         rsurface.modelelement3i_bufferoffset = 0;
8408         rsurface.modelelement3s = (unsigned short *)element3s;
8409         rsurface.modelelement3s_indexbuffer = NULL;
8410         rsurface.modelelement3s_bufferoffset = 0;
8411         rsurface.modellightmapoffsets = NULL;
8412         rsurface.modelsurfaces = NULL;
8413         rsurface.batchgeneratedvertex = false;
8414         rsurface.batchfirstvertex = 0;
8415         rsurface.batchnumvertices = 0;
8416         rsurface.batchfirsttriangle = 0;
8417         rsurface.batchnumtriangles = 0;
8418         rsurface.batchvertex3f  = NULL;
8419         rsurface.batchvertex3f_vertexbuffer = NULL;
8420         rsurface.batchvertex3f_bufferoffset = 0;
8421         rsurface.batchsvector3f = NULL;
8422         rsurface.batchsvector3f_vertexbuffer = NULL;
8423         rsurface.batchsvector3f_bufferoffset = 0;
8424         rsurface.batchtvector3f = NULL;
8425         rsurface.batchtvector3f_vertexbuffer = NULL;
8426         rsurface.batchtvector3f_bufferoffset = 0;
8427         rsurface.batchnormal3f  = NULL;
8428         rsurface.batchnormal3f_vertexbuffer = NULL;
8429         rsurface.batchnormal3f_bufferoffset = 0;
8430         rsurface.batchlightmapcolor4f = NULL;
8431         rsurface.batchlightmapcolor4f_vertexbuffer = NULL;
8432         rsurface.batchlightmapcolor4f_bufferoffset = 0;
8433         rsurface.batchtexcoordtexture2f = NULL;
8434         rsurface.batchtexcoordtexture2f_vertexbuffer = NULL;
8435         rsurface.batchtexcoordtexture2f_bufferoffset = 0;
8436         rsurface.batchtexcoordlightmap2f = NULL;
8437         rsurface.batchtexcoordlightmap2f_vertexbuffer = NULL;
8438         rsurface.batchtexcoordlightmap2f_bufferoffset = 0;
8439         rsurface.batchvertexmesh = NULL;
8440         rsurface.batchvertexmeshbuffer = NULL;
8441         rsurface.batchvertex3fbuffer = NULL;
8442         rsurface.batchelement3i = NULL;
8443         rsurface.batchelement3i_indexbuffer = NULL;
8444         rsurface.batchelement3i_bufferoffset = 0;
8445         rsurface.batchelement3s = NULL;
8446         rsurface.batchelement3s_indexbuffer = NULL;
8447         rsurface.batchelement3s_bufferoffset = 0;
8448         rsurface.passcolor4f = NULL;
8449         rsurface.passcolor4f_vertexbuffer = NULL;
8450         rsurface.passcolor4f_bufferoffset = 0;
8451
8452         if (rsurface.modelnumvertices && rsurface.modelelement3i)
8453         {
8454                 if ((wantnormals || wanttangents) && !normal3f)
8455                 {
8456                         rsurface.modelnormal3f = (float *)R_FrameData_Alloc(rsurface.modelnumvertices * sizeof(float[3]));
8457                         Mod_BuildNormals(0, rsurface.modelnumvertices, rsurface.modelnumtriangles, rsurface.modelvertex3f, rsurface.modelelement3i, rsurface.modelnormal3f, r_smoothnormals_areaweighting.integer != 0);
8458                 }
8459                 if (wanttangents && !svector3f)
8460                 {
8461                         rsurface.modelsvector3f = (float *)R_FrameData_Alloc(rsurface.modelnumvertices * sizeof(float[3]));
8462                         rsurface.modeltvector3f = (float *)R_FrameData_Alloc(rsurface.modelnumvertices * sizeof(float[3]));
8463                         Mod_BuildTextureVectorsFromNormals(0, rsurface.modelnumvertices, rsurface.modelnumtriangles, rsurface.modelvertex3f, rsurface.modeltexcoordtexture2f, rsurface.modelnormal3f, rsurface.modelelement3i, rsurface.modelsvector3f, rsurface.modeltvector3f, r_smoothnormals_areaweighting.integer != 0);
8464                 }
8465         }
8466 }
8467
8468 float RSurf_FogPoint(const float *v)
8469 {
8470         // this code is identical to the USEFOGINSIDE/USEFOGOUTSIDE code in the shader
8471         float FogPlaneViewDist = r_refdef.fogplaneviewdist;
8472         float FogPlaneVertexDist = DotProduct(r_refdef.fogplane, v) + r_refdef.fogplane[3];
8473         float FogHeightFade = r_refdef.fogheightfade;
8474         float fogfrac;
8475         unsigned int fogmasktableindex;
8476         if (r_refdef.fogplaneviewabove)
8477                 fogfrac = min(0.0f, FogPlaneVertexDist) / (FogPlaneVertexDist - FogPlaneViewDist) * min(1.0f, min(0.0f, FogPlaneVertexDist) * FogHeightFade);
8478         else
8479                 fogfrac = FogPlaneViewDist / (FogPlaneViewDist - max(0.0f, FogPlaneVertexDist)) * min(1.0f, (min(0.0f, FogPlaneVertexDist) + FogPlaneViewDist) * FogHeightFade);
8480         fogmasktableindex = (unsigned int)(VectorDistance(r_refdef.view.origin, v) * fogfrac * r_refdef.fogmasktabledistmultiplier);
8481         return r_refdef.fogmasktable[min(fogmasktableindex, FOGMASKTABLEWIDTH - 1)];
8482 }
8483
8484 float RSurf_FogVertex(const float *v)
8485 {
8486         // this code is identical to the USEFOGINSIDE/USEFOGOUTSIDE code in the shader
8487         float FogPlaneViewDist = rsurface.fogplaneviewdist;
8488         float FogPlaneVertexDist = DotProduct(rsurface.fogplane, v) + rsurface.fogplane[3];
8489         float FogHeightFade = rsurface.fogheightfade;
8490         float fogfrac;
8491         unsigned int fogmasktableindex;
8492         if (r_refdef.fogplaneviewabove)
8493                 fogfrac = min(0.0f, FogPlaneVertexDist) / (FogPlaneVertexDist - FogPlaneViewDist) * min(1.0f, min(0.0f, FogPlaneVertexDist) * FogHeightFade);
8494         else
8495                 fogfrac = FogPlaneViewDist / (FogPlaneViewDist - max(0.0f, FogPlaneVertexDist)) * min(1.0f, (min(0.0f, FogPlaneVertexDist) + FogPlaneViewDist) * FogHeightFade);
8496         fogmasktableindex = (unsigned int)(VectorDistance(rsurface.localvieworigin, v) * fogfrac * rsurface.fogmasktabledistmultiplier);
8497         return r_refdef.fogmasktable[min(fogmasktableindex, FOGMASKTABLEWIDTH - 1)];
8498 }
8499
8500 static void RSurf_RenumberElements(const int *inelement3i, int *outelement3i, int numelements, int adjust)
8501 {
8502         int i;
8503         for (i = 0;i < numelements;i++)
8504                 outelement3i[i] = inelement3i[i] + adjust;
8505 }
8506
8507 static const int quadedges[6][2] = {{0, 1}, {0, 2}, {0, 3}, {1, 2}, {1, 3}, {2, 3}};
8508 extern cvar_t gl_vbo;
8509 void RSurf_PrepareVerticesForBatch(int batchneed, int texturenumsurfaces, const msurface_t **texturesurfacelist)
8510 {
8511         int deformindex;
8512         int firsttriangle;
8513         int numtriangles;
8514         int firstvertex;
8515         int endvertex;
8516         int numvertices;
8517         int surfacefirsttriangle;
8518         int surfacenumtriangles;
8519         int surfacefirstvertex;
8520         int surfaceendvertex;
8521         int surfacenumvertices;
8522         int batchnumvertices;
8523         int batchnumtriangles;
8524         int needsupdate;
8525         int i, j;
8526         qboolean gaps;
8527         qboolean dynamicvertex;
8528         float amplitude;
8529         float animpos;
8530         float scale;
8531         float center[3], forward[3], right[3], up[3], v[3], newforward[3], newright[3], newup[3];
8532         float waveparms[4];
8533         q3shaderinfo_deform_t *deform;
8534         const msurface_t *surface, *firstsurface;
8535         r_vertexmesh_t *vertexmesh;
8536         if (!texturenumsurfaces)
8537                 return;
8538         // find vertex range of this surface batch
8539         gaps = false;
8540         firstsurface = texturesurfacelist[0];
8541         firsttriangle = firstsurface->num_firsttriangle;
8542         batchnumvertices = 0;
8543         batchnumtriangles = 0;
8544         firstvertex = endvertex = firstsurface->num_firstvertex;
8545         for (i = 0;i < texturenumsurfaces;i++)
8546         {
8547                 surface = texturesurfacelist[i];
8548                 if (surface != firstsurface + i)
8549                         gaps = true;
8550                 surfacefirstvertex = surface->num_firstvertex;
8551                 surfaceendvertex = surfacefirstvertex + surface->num_vertices;
8552                 surfacenumvertices = surface->num_vertices;
8553                 surfacenumtriangles = surface->num_triangles;
8554                 if (firstvertex > surfacefirstvertex)
8555                         firstvertex = surfacefirstvertex;
8556                 if (endvertex < surfaceendvertex)
8557                         endvertex = surfaceendvertex;
8558                 batchnumvertices += surfacenumvertices;
8559                 batchnumtriangles += surfacenumtriangles;
8560         }
8561
8562         // we now know the vertex range used, and if there are any gaps in it
8563         rsurface.batchfirstvertex = firstvertex;
8564         rsurface.batchnumvertices = endvertex - firstvertex;
8565         rsurface.batchfirsttriangle = firsttriangle;
8566         rsurface.batchnumtriangles = batchnumtriangles;
8567
8568         // this variable holds flags for which properties have been updated that
8569         // may require regenerating vertexmesh array...
8570         needsupdate = 0;
8571
8572         // check if any dynamic vertex processing must occur
8573         dynamicvertex = false;
8574
8575         // if there is a chance of animated vertex colors, it's a dynamic batch
8576         if ((batchneed & (BATCHNEED_VERTEXMESH_VERTEXCOLOR | BATCHNEED_ARRAY_VERTEXCOLOR)) && texturesurfacelist[0]->lightmapinfo)
8577         {
8578                 dynamicvertex = true;
8579                 batchneed |= BATCHNEED_NOGAPS;
8580                 needsupdate |= BATCHNEED_VERTEXMESH_VERTEXCOLOR;
8581         }
8582
8583         for (deformindex = 0, deform = rsurface.texture->deforms;deformindex < Q3MAXDEFORMS && deform->deform && r_deformvertexes.integer;deformindex++, deform++)
8584         {
8585                 switch (deform->deform)
8586                 {
8587                 default:
8588                 case Q3DEFORM_PROJECTIONSHADOW:
8589                 case Q3DEFORM_TEXT0:
8590                 case Q3DEFORM_TEXT1:
8591                 case Q3DEFORM_TEXT2:
8592                 case Q3DEFORM_TEXT3:
8593                 case Q3DEFORM_TEXT4:
8594                 case Q3DEFORM_TEXT5:
8595                 case Q3DEFORM_TEXT6:
8596                 case Q3DEFORM_TEXT7:
8597                 case Q3DEFORM_NONE:
8598                         break;
8599                 case Q3DEFORM_AUTOSPRITE:
8600                         dynamicvertex = true;
8601                         batchneed |= BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_VECTOR | BATCHNEED_ARRAY_TEXCOORD | BATCHNEED_NOGAPS;
8602                         needsupdate |= BATCHNEED_VERTEXMESH_VERTEX | BATCHNEED_VERTEXMESH_NORMAL | BATCHNEED_VERTEXMESH_VECTOR;
8603                         break;
8604                 case Q3DEFORM_AUTOSPRITE2:
8605                         dynamicvertex = true;
8606                         batchneed |= BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_TEXCOORD | BATCHNEED_NOGAPS;
8607                         needsupdate |= BATCHNEED_VERTEXMESH_VERTEX | BATCHNEED_VERTEXMESH_NORMAL | BATCHNEED_VERTEXMESH_VECTOR;
8608                         break;
8609                 case Q3DEFORM_NORMAL:
8610                         dynamicvertex = true;
8611                         batchneed |= BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_TEXCOORD | BATCHNEED_NOGAPS;
8612                         needsupdate |= BATCHNEED_VERTEXMESH_NORMAL | BATCHNEED_VERTEXMESH_VECTOR;
8613                         break;
8614                 case Q3DEFORM_WAVE:
8615                         if(!R_TestQ3WaveFunc(deform->wavefunc, deform->waveparms))
8616                                 break; // if wavefunc is a nop, ignore this transform
8617                         dynamicvertex = true;
8618                         batchneed |= BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_TEXCOORD | BATCHNEED_NOGAPS;
8619                         needsupdate |= BATCHNEED_VERTEXMESH_VERTEX | BATCHNEED_VERTEXMESH_NORMAL | BATCHNEED_VERTEXMESH_VECTOR;
8620                         break;
8621                 case Q3DEFORM_BULGE:
8622                         dynamicvertex = true;
8623                         batchneed |= BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_TEXCOORD | BATCHNEED_NOGAPS;
8624                         needsupdate |= BATCHNEED_VERTEXMESH_VERTEX | BATCHNEED_VERTEXMESH_NORMAL | BATCHNEED_VERTEXMESH_VECTOR;
8625                         break;
8626                 case Q3DEFORM_MOVE:
8627                         if(!R_TestQ3WaveFunc(deform->wavefunc, deform->waveparms))
8628                                 break; // if wavefunc is a nop, ignore this transform
8629                         dynamicvertex = true;
8630                         batchneed |= BATCHNEED_ARRAY_VERTEX | BATCHNEED_NOGAPS;
8631                         needsupdate |= BATCHNEED_VERTEXMESH_VERTEX;
8632                         break;
8633                 }
8634         }
8635         switch(rsurface.texture->tcgen.tcgen)
8636         {
8637         default:
8638         case Q3TCGEN_TEXTURE:
8639                 break;
8640         case Q3TCGEN_LIGHTMAP:
8641                 dynamicvertex = true;
8642                 batchneed |= BATCHNEED_ARRAY_LIGHTMAP | BATCHNEED_NOGAPS;
8643                 needsupdate |= BATCHNEED_VERTEXMESH_LIGHTMAP;
8644                 break;
8645         case Q3TCGEN_VECTOR:
8646                 dynamicvertex = true;
8647                 batchneed |= BATCHNEED_ARRAY_VERTEX | BATCHNEED_NOGAPS;
8648                 needsupdate |= BATCHNEED_VERTEXMESH_TEXCOORD;
8649                 break;
8650         case Q3TCGEN_ENVIRONMENT:
8651                 dynamicvertex = true;
8652                 batchneed |= BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_NOGAPS;
8653                 needsupdate |= BATCHNEED_VERTEXMESH_TEXCOORD;
8654                 break;
8655         }
8656         if (rsurface.texture->tcmods[0].tcmod == Q3TCMOD_TURBULENT)
8657         {
8658                 dynamicvertex = true;
8659                 batchneed |= BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_TEXCOORD | BATCHNEED_NOGAPS;
8660                 needsupdate |= BATCHNEED_VERTEXMESH_TEXCOORD;
8661         }
8662
8663         if (!rsurface.modelvertexmesh && (batchneed & (BATCHNEED_VERTEXMESH_VERTEX | BATCHNEED_VERTEXMESH_NORMAL | BATCHNEED_VERTEXMESH_VECTOR | BATCHNEED_VERTEXMESH_VERTEXCOLOR | BATCHNEED_VERTEXMESH_TEXCOORD | BATCHNEED_VERTEXMESH_LIGHTMAP)))
8664         {
8665                 dynamicvertex = true;
8666                 batchneed |= BATCHNEED_NOGAPS;
8667                 needsupdate |= (batchneed & (BATCHNEED_VERTEXMESH_VERTEX | BATCHNEED_VERTEXMESH_NORMAL | BATCHNEED_VERTEXMESH_VECTOR | BATCHNEED_VERTEXMESH_VERTEXCOLOR | BATCHNEED_VERTEXMESH_TEXCOORD | BATCHNEED_VERTEXMESH_LIGHTMAP));
8668         }
8669
8670         if (dynamicvertex || gaps || rsurface.batchfirstvertex)
8671         {
8672                 // when copying, we need to consider the regeneration of vertexmesh, any dependencies it may have must be set...
8673                 if (batchneed & BATCHNEED_VERTEXMESH_VERTEX)      batchneed |= BATCHNEED_ARRAY_VERTEX;
8674                 if (batchneed & BATCHNEED_VERTEXMESH_NORMAL)      batchneed |= BATCHNEED_ARRAY_NORMAL;
8675                 if (batchneed & BATCHNEED_VERTEXMESH_VECTOR)      batchneed |= BATCHNEED_ARRAY_VECTOR;
8676                 if (batchneed & BATCHNEED_VERTEXMESH_VERTEXCOLOR) batchneed |= BATCHNEED_ARRAY_VERTEXCOLOR;
8677                 if (batchneed & BATCHNEED_VERTEXMESH_TEXCOORD)    batchneed |= BATCHNEED_ARRAY_TEXCOORD;
8678                 if (batchneed & BATCHNEED_VERTEXMESH_LIGHTMAP)    batchneed |= BATCHNEED_ARRAY_LIGHTMAP;
8679         }
8680
8681         // when the model data has no vertex buffer (dynamic mesh), we need to
8682         // eliminate gaps
8683         if (vid.useinterleavedarrays ? !rsurface.modelvertexmeshbuffer : !rsurface.modelvertex3f_vertexbuffer)
8684                 batchneed |= BATCHNEED_NOGAPS;
8685
8686         // if needsupdate, we have to do a dynamic vertex batch for sure
8687         if (needsupdate & batchneed)
8688                 dynamicvertex = true;
8689
8690         // see if we need to build vertexmesh from arrays
8691         if (!rsurface.modelvertexmesh && (batchneed & (BATCHNEED_VERTEXMESH_VERTEX | BATCHNEED_VERTEXMESH_NORMAL | BATCHNEED_VERTEXMESH_VECTOR | BATCHNEED_VERTEXMESH_VERTEXCOLOR | BATCHNEED_VERTEXMESH_TEXCOORD | BATCHNEED_VERTEXMESH_LIGHTMAP)))
8692                 dynamicvertex = true;
8693
8694         // if gaps are unacceptable, and there are gaps, it's a dynamic batch...
8695         // also some drivers strongly dislike firstvertex
8696         if ((batchneed & BATCHNEED_NOGAPS) && (gaps || firstvertex))
8697                 dynamicvertex = true;
8698
8699         rsurface.batchvertex3f = rsurface.modelvertex3f;
8700         rsurface.batchvertex3f_vertexbuffer = rsurface.modelvertex3f_vertexbuffer;
8701         rsurface.batchvertex3f_bufferoffset = rsurface.modelvertex3f_bufferoffset;
8702         rsurface.batchsvector3f = rsurface.modelsvector3f;
8703         rsurface.batchsvector3f_vertexbuffer = rsurface.modelsvector3f_vertexbuffer;
8704         rsurface.batchsvector3f_bufferoffset = rsurface.modelsvector3f_bufferoffset;
8705         rsurface.batchtvector3f = rsurface.modeltvector3f;
8706         rsurface.batchtvector3f_vertexbuffer = rsurface.modeltvector3f_vertexbuffer;
8707         rsurface.batchtvector3f_bufferoffset = rsurface.modeltvector3f_bufferoffset;
8708         rsurface.batchnormal3f = rsurface.modelnormal3f;
8709         rsurface.batchnormal3f_vertexbuffer = rsurface.modelnormal3f_vertexbuffer;
8710         rsurface.batchnormal3f_bufferoffset = rsurface.modelnormal3f_bufferoffset;
8711         rsurface.batchlightmapcolor4f = rsurface.modellightmapcolor4f;
8712         rsurface.batchlightmapcolor4f_vertexbuffer  = rsurface.modellightmapcolor4f_vertexbuffer;
8713         rsurface.batchlightmapcolor4f_bufferoffset  = rsurface.modellightmapcolor4f_bufferoffset;
8714         rsurface.batchtexcoordtexture2f = rsurface.modeltexcoordtexture2f;
8715         rsurface.batchtexcoordtexture2f_vertexbuffer  = rsurface.modeltexcoordtexture2f_vertexbuffer;
8716         rsurface.batchtexcoordtexture2f_bufferoffset  = rsurface.modeltexcoordtexture2f_bufferoffset;
8717         rsurface.batchtexcoordlightmap2f = rsurface.modeltexcoordlightmap2f;
8718         rsurface.batchtexcoordlightmap2f_vertexbuffer = rsurface.modeltexcoordlightmap2f_vertexbuffer;
8719         rsurface.batchtexcoordlightmap2f_bufferoffset = rsurface.modeltexcoordlightmap2f_bufferoffset;
8720         rsurface.batchvertex3fbuffer = rsurface.modelvertex3fbuffer;
8721         rsurface.batchvertexmesh = rsurface.modelvertexmesh;
8722         rsurface.batchvertexmeshbuffer = rsurface.modelvertexmeshbuffer;
8723         rsurface.batchelement3i = rsurface.modelelement3i;
8724         rsurface.batchelement3i_indexbuffer = rsurface.modelelement3i_indexbuffer;
8725         rsurface.batchelement3i_bufferoffset = rsurface.modelelement3i_bufferoffset;
8726         rsurface.batchelement3s = rsurface.modelelement3s;
8727         rsurface.batchelement3s_indexbuffer = rsurface.modelelement3s_indexbuffer;
8728         rsurface.batchelement3s_bufferoffset = rsurface.modelelement3s_bufferoffset;
8729
8730         // if any dynamic vertex processing has to occur in software, we copy the
8731         // entire surface list together before processing to rebase the vertices
8732         // to start at 0 (otherwise we waste a lot of room in a vertex buffer).
8733         //
8734         // if any gaps exist and we do not have a static vertex buffer, we have to
8735         // copy the surface list together to avoid wasting upload bandwidth on the
8736         // vertices in the gaps.
8737         //
8738         // if gaps exist and we have a static vertex buffer, we still have to
8739         // combine the index buffer ranges into one dynamic index buffer.
8740         //
8741         // in all cases we end up with data that can be drawn in one call.
8742
8743         if (!dynamicvertex)
8744         {
8745                 // static vertex data, just set pointers...
8746                 rsurface.batchgeneratedvertex = false;
8747                 // if there are gaps, we want to build a combined index buffer,
8748                 // otherwise use the original static buffer with an appropriate offset
8749                 if (gaps)
8750                 {
8751                         // build a new triangle elements array for this batch
8752                         rsurface.batchelement3i = (int *)R_FrameData_Alloc(batchnumtriangles * sizeof(int[3]));
8753                         rsurface.batchfirsttriangle = 0;
8754                         numtriangles = 0;
8755                         for (i = 0;i < texturenumsurfaces;i++)
8756                         {
8757                                 surfacefirsttriangle = texturesurfacelist[i]->num_firsttriangle;
8758                                 surfacenumtriangles = texturesurfacelist[i]->num_triangles;
8759                                 memcpy(rsurface.batchelement3i + 3*numtriangles, rsurface.modelelement3i + 3*surfacefirsttriangle, surfacenumtriangles*sizeof(int[3]));
8760                                 numtriangles += surfacenumtriangles;
8761                         }
8762                         rsurface.batchelement3i_indexbuffer = NULL;
8763                         rsurface.batchelement3i_bufferoffset = 0;
8764                         rsurface.batchelement3s = NULL;
8765                         rsurface.batchelement3s_indexbuffer = NULL;
8766                         rsurface.batchelement3s_bufferoffset = 0;
8767                         if (endvertex <= 65536)
8768                         {
8769                                 // make a 16bit (unsigned short) index array if possible
8770                                 rsurface.batchelement3s = (unsigned short *)R_FrameData_Alloc(batchnumtriangles * sizeof(unsigned short[3]));
8771                                 for (i = 0;i < numtriangles*3;i++)
8772                                         rsurface.batchelement3s[i] = rsurface.batchelement3i[i];
8773                         }
8774                 }
8775                 return;
8776         }
8777
8778         // something needs software processing, do it for real...
8779         // we only directly handle separate array data in this case and then
8780         // generate interleaved data if needed...
8781         rsurface.batchgeneratedvertex = true;
8782
8783         // now copy the vertex data into a combined array and make an index array
8784         // (this is what Quake3 does all the time)
8785         //if (gaps || rsurface.batchfirstvertex)
8786         {
8787                 rsurface.batchvertex3fbuffer = NULL;
8788                 rsurface.batchvertexmesh = NULL;
8789                 rsurface.batchvertexmeshbuffer = NULL;
8790                 rsurface.batchvertex3f = NULL;
8791                 rsurface.batchvertex3f_vertexbuffer = NULL;
8792                 rsurface.batchvertex3f_bufferoffset = 0;
8793                 rsurface.batchsvector3f = NULL;
8794                 rsurface.batchsvector3f_vertexbuffer = NULL;
8795                 rsurface.batchsvector3f_bufferoffset = 0;
8796                 rsurface.batchtvector3f = NULL;
8797                 rsurface.batchtvector3f_vertexbuffer = NULL;
8798                 rsurface.batchtvector3f_bufferoffset = 0;
8799                 rsurface.batchnormal3f = NULL;
8800                 rsurface.batchnormal3f_vertexbuffer = NULL;
8801                 rsurface.batchnormal3f_bufferoffset = 0;
8802                 rsurface.batchlightmapcolor4f = NULL;
8803                 rsurface.batchlightmapcolor4f_vertexbuffer = NULL;
8804                 rsurface.batchlightmapcolor4f_bufferoffset = 0;
8805                 rsurface.batchtexcoordtexture2f = NULL;
8806                 rsurface.batchtexcoordtexture2f_vertexbuffer = NULL;
8807                 rsurface.batchtexcoordtexture2f_bufferoffset = 0;
8808                 rsurface.batchtexcoordlightmap2f = NULL;
8809                 rsurface.batchtexcoordlightmap2f_vertexbuffer = NULL;
8810                 rsurface.batchtexcoordlightmap2f_bufferoffset = 0;
8811                 rsurface.batchelement3i = (int *)R_FrameData_Alloc(batchnumtriangles * sizeof(int[3]));
8812                 rsurface.batchelement3i_indexbuffer = NULL;
8813                 rsurface.batchelement3i_bufferoffset = 0;
8814                 rsurface.batchelement3s = NULL;
8815                 rsurface.batchelement3s_indexbuffer = NULL;
8816                 rsurface.batchelement3s_bufferoffset = 0;
8817                 // we'll only be setting up certain arrays as needed
8818                 if (batchneed & (BATCHNEED_VERTEXMESH_VERTEX | BATCHNEED_VERTEXMESH_NORMAL | BATCHNEED_VERTEXMESH_VECTOR | BATCHNEED_VERTEXMESH_VERTEXCOLOR | BATCHNEED_VERTEXMESH_TEXCOORD | BATCHNEED_VERTEXMESH_LIGHTMAP))
8819                         rsurface.batchvertexmesh = (r_vertexmesh_t *)R_FrameData_Alloc(batchnumvertices * sizeof(r_vertexmesh_t));
8820                 if (batchneed & BATCHNEED_ARRAY_VERTEX)
8821                         rsurface.batchvertex3f = (float *)R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
8822                 if (batchneed & BATCHNEED_ARRAY_NORMAL)
8823                         rsurface.batchnormal3f = (float *)R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
8824                 if (batchneed & BATCHNEED_ARRAY_VECTOR)
8825                 {
8826                         rsurface.batchsvector3f = (float *)R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
8827                         rsurface.batchtvector3f = (float *)R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
8828                 }
8829                 if (batchneed & BATCHNEED_ARRAY_VERTEXCOLOR)
8830                         rsurface.batchlightmapcolor4f = (float *)R_FrameData_Alloc(batchnumvertices * sizeof(float[4]));
8831                 if (batchneed & BATCHNEED_ARRAY_TEXCOORD)
8832                         rsurface.batchtexcoordtexture2f = (float *)R_FrameData_Alloc(batchnumvertices * sizeof(float[2]));
8833                 if (batchneed & BATCHNEED_ARRAY_LIGHTMAP)
8834                         rsurface.batchtexcoordlightmap2f = (float *)R_FrameData_Alloc(batchnumvertices * sizeof(float[2]));
8835                 numvertices = 0;
8836                 numtriangles = 0;
8837                 for (i = 0;i < texturenumsurfaces;i++)
8838                 {
8839                         surfacefirstvertex = texturesurfacelist[i]->num_firstvertex;
8840                         surfacenumvertices = texturesurfacelist[i]->num_vertices;
8841                         surfacefirsttriangle = texturesurfacelist[i]->num_firsttriangle;
8842                         surfacenumtriangles = texturesurfacelist[i]->num_triangles;
8843                         // copy only the data requested
8844                         if ((batchneed & (BATCHNEED_VERTEXMESH_VERTEX | BATCHNEED_VERTEXMESH_NORMAL | BATCHNEED_VERTEXMESH_VECTOR | BATCHNEED_VERTEXMESH_VERTEXCOLOR | BATCHNEED_VERTEXMESH_TEXCOORD | BATCHNEED_VERTEXMESH_LIGHTMAP)) && rsurface.modelvertexmesh)
8845                                 memcpy(rsurface.batchvertexmesh + numvertices, rsurface.modelvertexmesh + surfacefirstvertex, surfacenumvertices * sizeof(rsurface.batchvertexmesh[0]));
8846                         if (batchneed & (BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_VECTOR | BATCHNEED_ARRAY_VERTEXCOLOR | BATCHNEED_ARRAY_TEXCOORD | BATCHNEED_ARRAY_LIGHTMAP))
8847                         {
8848                                 if (batchneed & BATCHNEED_ARRAY_VERTEX)
8849                                 {
8850                                         if (rsurface.batchvertex3f)
8851                                                 memcpy(rsurface.batchvertex3f + 3*numvertices, rsurface.modelvertex3f + 3*surfacefirstvertex, surfacenumvertices * sizeof(float[3]));
8852                                         else
8853                                                 memset(rsurface.batchvertex3f + 3*numvertices, 0, surfacenumvertices * sizeof(float[3]));
8854                                 }
8855                                 if (batchneed & BATCHNEED_ARRAY_NORMAL)
8856                                 {
8857                                         if (rsurface.modelnormal3f)
8858                                                 memcpy(rsurface.batchnormal3f + 3*numvertices, rsurface.modelnormal3f + 3*surfacefirstvertex, surfacenumvertices * sizeof(float[3]));
8859                                         else
8860                                                 memset(rsurface.batchnormal3f + 3*numvertices, 0, surfacenumvertices * sizeof(float[3]));
8861                                 }
8862                                 if (batchneed & BATCHNEED_ARRAY_VECTOR)
8863                                 {
8864                                         if (rsurface.modelsvector3f)
8865                                         {
8866                                                 memcpy(rsurface.batchsvector3f + 3*numvertices, rsurface.modelsvector3f + 3*surfacefirstvertex, surfacenumvertices * sizeof(float[3]));
8867                                                 memcpy(rsurface.batchtvector3f + 3*numvertices, rsurface.modeltvector3f + 3*surfacefirstvertex, surfacenumvertices * sizeof(float[3]));
8868                                         }
8869                                         else
8870                                         {
8871                                                 memset(rsurface.batchsvector3f + 3*numvertices, 0, surfacenumvertices * sizeof(float[3]));
8872                                                 memset(rsurface.batchtvector3f + 3*numvertices, 0, surfacenumvertices * sizeof(float[3]));
8873                                         }
8874                                 }
8875                                 if (batchneed & BATCHNEED_ARRAY_VERTEXCOLOR)
8876                                 {
8877                                         if (rsurface.modellightmapcolor4f)
8878                                                 memcpy(rsurface.batchlightmapcolor4f + 4*numvertices, rsurface.modellightmapcolor4f + 4*surfacefirstvertex, surfacenumvertices * sizeof(float[4]));
8879                                         else
8880                                                 memset(rsurface.batchlightmapcolor4f + 4*numvertices, 0, surfacenumvertices * sizeof(float[4]));
8881                                 }
8882                                 if (batchneed & BATCHNEED_ARRAY_TEXCOORD)
8883                                 {
8884                                         if (rsurface.modeltexcoordtexture2f)
8885                                                 memcpy(rsurface.batchtexcoordtexture2f + 2*numvertices, rsurface.modeltexcoordtexture2f + 2*surfacefirstvertex, surfacenumvertices * sizeof(float[2]));
8886                                         else
8887                                                 memset(rsurface.batchtexcoordtexture2f + 2*numvertices, 0, surfacenumvertices * sizeof(float[2]));
8888                                 }
8889                                 if (batchneed & BATCHNEED_ARRAY_LIGHTMAP)
8890                                 {
8891                                         if (rsurface.modeltexcoordlightmap2f)
8892                                                 memcpy(rsurface.batchtexcoordlightmap2f + 2*numvertices, rsurface.modeltexcoordlightmap2f + 2*surfacefirstvertex, surfacenumvertices * sizeof(float[2]));
8893                                         else
8894                                                 memset(rsurface.batchtexcoordlightmap2f + 2*numvertices, 0, surfacenumvertices * sizeof(float[2]));
8895                                 }
8896                         }
8897                         RSurf_RenumberElements(rsurface.modelelement3i + 3*surfacefirsttriangle, rsurface.batchelement3i + 3*numtriangles, 3*surfacenumtriangles, numvertices - surfacefirstvertex);
8898                         numvertices += surfacenumvertices;
8899                         numtriangles += surfacenumtriangles;
8900                 }
8901
8902                 // generate a 16bit index array as well if possible
8903                 // (in general, dynamic batches fit)
8904                 if (numvertices <= 65536)
8905                 {
8906                         rsurface.batchelement3s = (unsigned short *)R_FrameData_Alloc(batchnumtriangles * sizeof(unsigned short[3]));
8907                         for (i = 0;i < numtriangles*3;i++)
8908                                 rsurface.batchelement3s[i] = rsurface.batchelement3i[i];
8909                 }
8910
8911                 // since we've copied everything, the batch now starts at 0
8912                 rsurface.batchfirstvertex = 0;
8913                 rsurface.batchnumvertices = batchnumvertices;
8914                 rsurface.batchfirsttriangle = 0;
8915                 rsurface.batchnumtriangles = batchnumtriangles;
8916         }
8917
8918         // q1bsp surfaces rendered in vertex color mode have to have colors
8919         // calculated based on lightstyles
8920         if ((batchneed & (BATCHNEED_VERTEXMESH_VERTEXCOLOR | BATCHNEED_ARRAY_VERTEXCOLOR)) && texturesurfacelist[0]->lightmapinfo)
8921         {
8922                 // generate color arrays for the surfaces in this list
8923                 int c[4];
8924                 int scale;
8925                 int size3;
8926                 const int *offsets;
8927                 const unsigned char *lm;
8928                 rsurface.batchlightmapcolor4f = (float *)R_FrameData_Alloc(batchnumvertices * sizeof(float[4]));
8929                 rsurface.batchlightmapcolor4f_vertexbuffer = NULL;
8930                 rsurface.batchlightmapcolor4f_bufferoffset = 0;
8931                 numvertices = 0;
8932                 for (i = 0;i < texturenumsurfaces;i++)
8933                 {
8934                         surface = texturesurfacelist[i];
8935                         offsets = rsurface.modellightmapoffsets + surface->num_firstvertex;
8936                         surfacenumvertices = surface->num_vertices;
8937                         if (surface->lightmapinfo->samples)
8938                         {
8939                                 for (j = 0;j < surfacenumvertices;j++)
8940                                 {
8941                                         lm = surface->lightmapinfo->samples + offsets[j];
8942                                         scale = r_refdef.scene.lightstylevalue[surface->lightmapinfo->styles[0]];
8943                                         VectorScale(lm, scale, c);
8944                                         if (surface->lightmapinfo->styles[1] != 255)
8945                                         {
8946                                                 size3 = ((surface->lightmapinfo->extents[0]>>4)+1)*((surface->lightmapinfo->extents[1]>>4)+1)*3;
8947                                                 lm += size3;
8948                                                 scale = r_refdef.scene.lightstylevalue[surface->lightmapinfo->styles[1]];
8949                                                 VectorMA(c, scale, lm, c);
8950                                                 if (surface->lightmapinfo->styles[2] != 255)
8951                                                 {
8952                                                         lm += size3;
8953                                                         scale = r_refdef.scene.lightstylevalue[surface->lightmapinfo->styles[2]];
8954                                                         VectorMA(c, scale, lm, c);
8955                                                         if (surface->lightmapinfo->styles[3] != 255)
8956                                                         {
8957                                                                 lm += size3;
8958                                                                 scale = r_refdef.scene.lightstylevalue[surface->lightmapinfo->styles[3]];
8959                                                                 VectorMA(c, scale, lm, c);
8960                                                         }
8961                                                 }
8962                                         }
8963                                         c[0] >>= 7;
8964                                         c[1] >>= 7;
8965                                         c[2] >>= 7;
8966                                         Vector4Set(rsurface.batchlightmapcolor4f + 4*numvertices, min(c[0], 255) * (1.0f / 255.0f), min(c[1], 255) * (1.0f / 255.0f), min(c[2], 255) * (1.0f / 255.0f), 1);
8967                                         numvertices++;
8968                                 }
8969                         }
8970                         else
8971                         {
8972                                 for (j = 0;j < surfacenumvertices;j++)
8973                                 {
8974                                         Vector4Set(rsurface.batchlightmapcolor4f + 4*numvertices, 0, 0, 0, 1);
8975                                         numvertices++;
8976                                 }
8977                         }
8978                 }
8979         }
8980
8981         // if vertices are deformed (sprite flares and things in maps, possibly
8982         // water waves, bulges and other deformations), modify the copied vertices
8983         // in place
8984         for (deformindex = 0, deform = rsurface.texture->deforms;deformindex < Q3MAXDEFORMS && deform->deform && r_deformvertexes.integer;deformindex++, deform++)
8985         {
8986                 switch (deform->deform)
8987                 {
8988                 default:
8989                 case Q3DEFORM_PROJECTIONSHADOW:
8990                 case Q3DEFORM_TEXT0:
8991                 case Q3DEFORM_TEXT1:
8992                 case Q3DEFORM_TEXT2:
8993                 case Q3DEFORM_TEXT3:
8994                 case Q3DEFORM_TEXT4:
8995                 case Q3DEFORM_TEXT5:
8996                 case Q3DEFORM_TEXT6:
8997                 case Q3DEFORM_TEXT7:
8998                 case Q3DEFORM_NONE:
8999                         break;
9000                 case Q3DEFORM_AUTOSPRITE:
9001                         Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.forward, newforward);
9002                         Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.right, newright);
9003                         Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.up, newup);
9004                         VectorNormalize(newforward);
9005                         VectorNormalize(newright);
9006                         VectorNormalize(newup);
9007 //                      rsurface.batchvertex3f = R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchvertex3f);
9008 //                      rsurface.batchvertex3f_vertexbuffer = NULL;
9009 //                      rsurface.batchvertex3f_bufferoffset = 0;
9010 //                      rsurface.batchsvector3f = R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchsvector3f);
9011 //                      rsurface.batchsvector3f_vertexbuffer = NULL;
9012 //                      rsurface.batchsvector3f_bufferoffset = 0;
9013 //                      rsurface.batchtvector3f = R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchtvector3f);
9014 //                      rsurface.batchtvector3f_vertexbuffer = NULL;
9015 //                      rsurface.batchtvector3f_bufferoffset = 0;
9016 //                      rsurface.batchnormal3f = R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchnormal3f);
9017 //                      rsurface.batchnormal3f_vertexbuffer = NULL;
9018 //                      rsurface.batchnormal3f_bufferoffset = 0;
9019                         // sometimes we're on a renderpath that does not use vectors (GL11/GL13/GLES1)
9020                         if (!VectorLength2(rsurface.batchnormal3f + 3*rsurface.batchfirstvertex))
9021                                 Mod_BuildNormals(rsurface.batchfirstvertex, batchnumvertices, batchnumtriangles, rsurface.batchvertex3f, rsurface.batchelement3i + 3 * rsurface.batchfirsttriangle, rsurface.batchnormal3f, r_smoothnormals_areaweighting.integer != 0);
9022                         if (!VectorLength2(rsurface.batchsvector3f + 3*rsurface.batchfirstvertex))
9023                                 Mod_BuildTextureVectorsFromNormals(rsurface.batchfirstvertex, batchnumvertices, batchnumtriangles, rsurface.batchvertex3f, rsurface.batchtexcoordtexture2f, rsurface.batchnormal3f, rsurface.batchelement3i + 3 * rsurface.batchfirsttriangle, rsurface.batchsvector3f, rsurface.batchtvector3f, r_smoothnormals_areaweighting.integer != 0);
9024                         // a single autosprite surface can contain multiple sprites...
9025                         for (j = 0;j < batchnumvertices - 3;j += 4)
9026                         {
9027                                 VectorClear(center);
9028                                 for (i = 0;i < 4;i++)
9029                                         VectorAdd(center, rsurface.batchvertex3f + 3*(j+i), center);
9030                                 VectorScale(center, 0.25f, center);
9031                                 VectorCopy(rsurface.batchnormal3f + 3*j, forward);
9032                                 VectorCopy(rsurface.batchsvector3f + 3*j, right);
9033                                 VectorCopy(rsurface.batchtvector3f + 3*j, up);
9034                                 for (i = 0;i < 4;i++)
9035                                 {
9036                                         VectorSubtract(rsurface.batchvertex3f + 3*(j+i), center, v);
9037                                         VectorMAMAMAM(1, center, DotProduct(forward, v), newforward, DotProduct(right, v), newright, DotProduct(up, v), newup, rsurface.batchvertex3f + 3*(j+i));
9038                                 }
9039                         }
9040                         // if we get here, BATCHNEED_ARRAY_NORMAL and BATCHNEED_ARRAY_VECTOR are in batchneed, so no need to check
9041                         Mod_BuildNormals(rsurface.batchfirstvertex, batchnumvertices, batchnumtriangles, rsurface.batchvertex3f, rsurface.batchelement3i + 3 * rsurface.batchfirsttriangle, rsurface.batchnormal3f, r_smoothnormals_areaweighting.integer != 0);
9042                         Mod_BuildTextureVectorsFromNormals(rsurface.batchfirstvertex, batchnumvertices, batchnumtriangles, rsurface.batchvertex3f, rsurface.batchtexcoordtexture2f, rsurface.batchnormal3f, rsurface.batchelement3i + 3 * rsurface.batchfirsttriangle, rsurface.batchsvector3f, rsurface.batchtvector3f, r_smoothnormals_areaweighting.integer != 0);
9043                         break;
9044                 case Q3DEFORM_AUTOSPRITE2:
9045                         Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.forward, newforward);
9046                         Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.right, newright);
9047                         Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.up, newup);
9048                         VectorNormalize(newforward);
9049                         VectorNormalize(newright);
9050                         VectorNormalize(newup);
9051 //                      rsurface.batchvertex3f = R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchvertex3f);
9052 //                      rsurface.batchvertex3f_vertexbuffer = NULL;
9053 //                      rsurface.batchvertex3f_bufferoffset = 0;
9054                         {
9055                                 const float *v1, *v2;
9056                                 vec3_t start, end;
9057                                 float f, l;
9058                                 struct
9059                                 {
9060                                         float length2;
9061                                         const float *v1;
9062                                         const float *v2;
9063                                 }
9064                                 shortest[2];
9065                                 memset(shortest, 0, sizeof(shortest));
9066                                 // a single autosprite surface can contain multiple sprites...
9067                                 for (j = 0;j < batchnumvertices - 3;j += 4)
9068                                 {
9069                                         VectorClear(center);
9070                                         for (i = 0;i < 4;i++)
9071                                                 VectorAdd(center, rsurface.batchvertex3f + 3*(j+i), center);
9072                                         VectorScale(center, 0.25f, center);
9073                                         // find the two shortest edges, then use them to define the
9074                                         // axis vectors for rotating around the central axis
9075                                         for (i = 0;i < 6;i++)
9076                                         {
9077                                                 v1 = rsurface.batchvertex3f + 3*(j+quadedges[i][0]);
9078                                                 v2 = rsurface.batchvertex3f + 3*(j+quadedges[i][1]);
9079                                                 l = VectorDistance2(v1, v2);
9080                                                 // this length bias tries to make sense of square polygons, assuming they are meant to be upright
9081                                                 if (v1[2] != v2[2])
9082                                                         l += (1.0f / 1024.0f);
9083                                                 if (shortest[0].length2 > l || i == 0)
9084                                                 {
9085                                                         shortest[1] = shortest[0];
9086                                                         shortest[0].length2 = l;
9087                                                         shortest[0].v1 = v1;
9088                                                         shortest[0].v2 = v2;
9089                                                 }
9090                                                 else if (shortest[1].length2 > l || i == 1)
9091                                                 {
9092                                                         shortest[1].length2 = l;
9093                                                         shortest[1].v1 = v1;
9094                                                         shortest[1].v2 = v2;
9095                                                 }
9096                                         }
9097                                         VectorLerp(shortest[0].v1, 0.5f, shortest[0].v2, start);
9098                                         VectorLerp(shortest[1].v1, 0.5f, shortest[1].v2, end);
9099                                         // this calculates the right vector from the shortest edge
9100                                         // and the up vector from the edge midpoints
9101                                         VectorSubtract(shortest[0].v1, shortest[0].v2, right);
9102                                         VectorNormalize(right);
9103                                         VectorSubtract(end, start, up);
9104                                         VectorNormalize(up);
9105                                         // calculate a forward vector to use instead of the original plane normal (this is how we get a new right vector)
9106                                         VectorSubtract(rsurface.localvieworigin, center, forward);
9107                                         //Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.forward, forward);
9108                                         VectorNegate(forward, forward);
9109                                         VectorReflect(forward, 0, up, forward);
9110                                         VectorNormalize(forward);
9111                                         CrossProduct(up, forward, newright);
9112                                         VectorNormalize(newright);
9113                                         // rotate the quad around the up axis vector, this is made
9114                                         // especially easy by the fact we know the quad is flat,
9115                                         // so we only have to subtract the center position and
9116                                         // measure distance along the right vector, and then
9117                                         // multiply that by the newright vector and add back the
9118                                         // center position
9119                                         // we also need to subtract the old position to undo the
9120                                         // displacement from the center, which we do with a
9121                                         // DotProduct, the subtraction/addition of center is also
9122                                         // optimized into DotProducts here
9123                                         l = DotProduct(right, center);
9124                                         for (i = 0;i < 4;i++)
9125                                         {
9126                                                 v1 = rsurface.batchvertex3f + 3*(j+i);
9127                                                 f = DotProduct(right, v1) - l;
9128                                                 VectorMAMAM(1, v1, -f, right, f, newright, rsurface.batchvertex3f + 3*(j+i));
9129                                         }
9130                                 }
9131                         }
9132                         if(batchneed & (BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_VECTOR)) // otherwise these can stay NULL
9133                         {
9134 //                              rsurface.batchnormal3f = R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
9135 //                              rsurface.batchnormal3f_vertexbuffer = NULL;
9136 //                              rsurface.batchnormal3f_bufferoffset = 0;
9137                                 Mod_BuildNormals(rsurface.batchfirstvertex, batchnumvertices, batchnumtriangles, rsurface.batchvertex3f, rsurface.batchelement3i + 3 * rsurface.batchfirsttriangle, rsurface.batchnormal3f, r_smoothnormals_areaweighting.integer != 0);
9138                         }
9139                         if(batchneed & BATCHNEED_ARRAY_VECTOR) // otherwise these can stay NULL
9140                         {
9141 //                              rsurface.batchsvector3f = R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
9142 //                              rsurface.batchsvector3f_vertexbuffer = NULL;
9143 //                              rsurface.batchsvector3f_bufferoffset = 0;
9144 //                              rsurface.batchtvector3f = R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
9145 //                              rsurface.batchtvector3f_vertexbuffer = NULL;
9146 //                              rsurface.batchtvector3f_bufferoffset = 0;
9147                                 Mod_BuildTextureVectorsFromNormals(rsurface.batchfirstvertex, batchnumvertices, batchnumtriangles, rsurface.batchvertex3f, rsurface.batchtexcoordtexture2f, rsurface.batchnormal3f, rsurface.batchelement3i + 3 * rsurface.batchfirsttriangle, rsurface.batchsvector3f, rsurface.batchtvector3f, r_smoothnormals_areaweighting.integer != 0);
9148                         }
9149                         break;
9150                 case Q3DEFORM_NORMAL:
9151                         // deform the normals to make reflections wavey
9152                         rsurface.batchnormal3f = (float *)R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchnormal3f);
9153                         rsurface.batchnormal3f_vertexbuffer = NULL;
9154                         rsurface.batchnormal3f_bufferoffset = 0;
9155                         for (j = 0;j < batchnumvertices;j++)
9156                         {
9157                                 float vertex[3];
9158                                 float *normal = rsurface.batchnormal3f + 3*j;
9159                                 VectorScale(rsurface.batchvertex3f + 3*j, 0.98f, vertex);
9160                                 normal[0] = rsurface.batchnormal3f[j*3+0] + deform->parms[0] * noise4f(      vertex[0], vertex[1], vertex[2], rsurface.shadertime * deform->parms[1]);
9161                                 normal[1] = rsurface.batchnormal3f[j*3+1] + deform->parms[0] * noise4f( 98 + vertex[0], vertex[1], vertex[2], rsurface.shadertime * deform->parms[1]);
9162                                 normal[2] = rsurface.batchnormal3f[j*3+2] + deform->parms[0] * noise4f(196 + vertex[0], vertex[1], vertex[2], rsurface.shadertime * deform->parms[1]);
9163                                 VectorNormalize(normal);
9164                         }
9165                         if(batchneed & BATCHNEED_ARRAY_VECTOR) // otherwise these can stay NULL
9166                         {
9167 //                              rsurface.batchsvector3f = R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
9168 //                              rsurface.batchsvector3f_vertexbuffer = NULL;
9169 //                              rsurface.batchsvector3f_bufferoffset = 0;
9170 //                              rsurface.batchtvector3f = R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
9171 //                              rsurface.batchtvector3f_vertexbuffer = NULL;
9172 //                              rsurface.batchtvector3f_bufferoffset = 0;
9173                                 Mod_BuildTextureVectorsFromNormals(rsurface.batchfirstvertex, batchnumvertices, batchnumtriangles, rsurface.batchvertex3f, rsurface.batchtexcoordtexture2f, rsurface.batchnormal3f, rsurface.batchelement3i + 3 * rsurface.batchfirsttriangle, rsurface.batchsvector3f, rsurface.batchtvector3f, r_smoothnormals_areaweighting.integer != 0);
9174                         }
9175                         break;
9176                 case Q3DEFORM_WAVE:
9177                         // deform vertex array to make wavey water and flags and such
9178                         waveparms[0] = deform->waveparms[0];
9179                         waveparms[1] = deform->waveparms[1];
9180                         waveparms[2] = deform->waveparms[2];
9181                         waveparms[3] = deform->waveparms[3];
9182                         if(!R_TestQ3WaveFunc(deform->wavefunc, waveparms))
9183                                 break; // if wavefunc is a nop, don't make a dynamic vertex array
9184                         // this is how a divisor of vertex influence on deformation
9185                         animpos = deform->parms[0] ? 1.0f / deform->parms[0] : 100.0f;
9186                         scale = R_EvaluateQ3WaveFunc(deform->wavefunc, waveparms);
9187 //                      rsurface.batchvertex3f = R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchvertex3f);
9188 //                      rsurface.batchvertex3f_vertexbuffer = NULL;
9189 //                      rsurface.batchvertex3f_bufferoffset = 0;
9190 //                      rsurface.batchnormal3f = R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchnormal3f);
9191 //                      rsurface.batchnormal3f_vertexbuffer = NULL;
9192 //                      rsurface.batchnormal3f_bufferoffset = 0;
9193                         for (j = 0;j < batchnumvertices;j++)
9194                         {
9195                                 // if the wavefunc depends on time, evaluate it per-vertex
9196                                 if (waveparms[3])
9197                                 {
9198                                         waveparms[2] = deform->waveparms[2] + (rsurface.batchvertex3f[j*3+0] + rsurface.batchvertex3f[j*3+1] + rsurface.batchvertex3f[j*3+2]) * animpos;
9199                                         scale = R_EvaluateQ3WaveFunc(deform->wavefunc, waveparms);
9200                                 }
9201                                 VectorMA(rsurface.batchvertex3f + 3*j, scale, rsurface.batchnormal3f + 3*j, rsurface.batchvertex3f + 3*j);
9202                         }
9203                         // if we get here, BATCHNEED_ARRAY_NORMAL is in batchneed, so no need to check
9204                         Mod_BuildNormals(rsurface.batchfirstvertex, batchnumvertices, batchnumtriangles, rsurface.batchvertex3f, rsurface.batchelement3i + 3 * rsurface.batchfirsttriangle, rsurface.batchnormal3f, r_smoothnormals_areaweighting.integer != 0);
9205                         if(batchneed & BATCHNEED_ARRAY_VECTOR) // otherwise these can stay NULL
9206                         {
9207 //                              rsurface.batchsvector3f = R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
9208 //                              rsurface.batchsvector3f_vertexbuffer = NULL;
9209 //                              rsurface.batchsvector3f_bufferoffset = 0;
9210 //                              rsurface.batchtvector3f = R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
9211 //                              rsurface.batchtvector3f_vertexbuffer = NULL;
9212 //                              rsurface.batchtvector3f_bufferoffset = 0;
9213                                 Mod_BuildTextureVectorsFromNormals(rsurface.batchfirstvertex, batchnumvertices, batchnumtriangles, rsurface.batchvertex3f, rsurface.batchtexcoordtexture2f, rsurface.batchnormal3f, rsurface.batchelement3i + 3 * rsurface.batchfirsttriangle, rsurface.batchsvector3f, rsurface.batchtvector3f, r_smoothnormals_areaweighting.integer != 0);
9214                         }
9215                         break;
9216                 case Q3DEFORM_BULGE:
9217                         // deform vertex array to make the surface have moving bulges
9218 //                      rsurface.batchvertex3f = R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchvertex3f);
9219 //                      rsurface.batchvertex3f_vertexbuffer = NULL;
9220 //                      rsurface.batchvertex3f_bufferoffset = 0;
9221 //                      rsurface.batchnormal3f = R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchnormal3f);
9222 //                      rsurface.batchnormal3f_vertexbuffer = NULL;
9223 //                      rsurface.batchnormal3f_bufferoffset = 0;
9224                         for (j = 0;j < batchnumvertices;j++)
9225                         {
9226                                 scale = sin(rsurface.batchtexcoordtexture2f[j*2+0] * deform->parms[0] + rsurface.shadertime * deform->parms[2]) * deform->parms[1];
9227                                 VectorMA(rsurface.batchvertex3f + 3*j, scale, rsurface.batchnormal3f + 3*j, rsurface.batchvertex3f + 3*j);
9228                         }
9229                         // if we get here, BATCHNEED_ARRAY_NORMAL is in batchneed, so no need to check
9230                         Mod_BuildNormals(rsurface.batchfirstvertex, batchnumvertices, batchnumtriangles, rsurface.batchvertex3f, rsurface.batchelement3i + 3 * rsurface.batchfirsttriangle, rsurface.batchnormal3f, r_smoothnormals_areaweighting.integer != 0);
9231                         if(batchneed & BATCHNEED_ARRAY_VECTOR) // otherwise these can stay NULL
9232                         {
9233 //                              rsurface.batchsvector3f = R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
9234 //                              rsurface.batchsvector3f_vertexbuffer = NULL;
9235 //                              rsurface.batchsvector3f_bufferoffset = 0;
9236 //                              rsurface.batchtvector3f = R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
9237 //                              rsurface.batchtvector3f_vertexbuffer = NULL;
9238 //                              rsurface.batchtvector3f_bufferoffset = 0;
9239                                 Mod_BuildTextureVectorsFromNormals(rsurface.batchfirstvertex, batchnumvertices, batchnumtriangles, rsurface.batchvertex3f, rsurface.batchtexcoordtexture2f, rsurface.batchnormal3f, rsurface.batchelement3i + 3 * rsurface.batchfirsttriangle, rsurface.batchsvector3f, rsurface.batchtvector3f, r_smoothnormals_areaweighting.integer != 0);
9240                         }
9241                         break;
9242                 case Q3DEFORM_MOVE:
9243                         // deform vertex array
9244                         if(!R_TestQ3WaveFunc(deform->wavefunc, deform->waveparms))
9245                                 break; // if wavefunc is a nop, don't make a dynamic vertex array
9246                         scale = R_EvaluateQ3WaveFunc(deform->wavefunc, deform->waveparms);
9247                         VectorScale(deform->parms, scale, waveparms);
9248 //                      rsurface.batchvertex3f = R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchvertex3f);
9249 //                      rsurface.batchvertex3f_vertexbuffer = NULL;
9250 //                      rsurface.batchvertex3f_bufferoffset = 0;
9251                         for (j = 0;j < batchnumvertices;j++)
9252                                 VectorAdd(rsurface.batchvertex3f + 3*j, waveparms, rsurface.batchvertex3f + 3*j);
9253                         break;
9254                 }
9255         }
9256
9257         // generate texcoords based on the chosen texcoord source
9258         switch(rsurface.texture->tcgen.tcgen)
9259         {
9260         default:
9261         case Q3TCGEN_TEXTURE:
9262                 break;
9263         case Q3TCGEN_LIGHTMAP:
9264 //              rsurface.batchtexcoordtexture2f = R_FrameData_Alloc(batchnumvertices * sizeof(float[2]));
9265 //              rsurface.batchtexcoordtexture2f_vertexbuffer = NULL;
9266 //              rsurface.batchtexcoordtexture2f_bufferoffset = 0;
9267                 if (rsurface.batchtexcoordlightmap2f)
9268                         memcpy(rsurface.batchtexcoordlightmap2f, rsurface.batchtexcoordtexture2f, batchnumvertices * sizeof(float[2]));
9269                 break;
9270         case Q3TCGEN_VECTOR:
9271 //              rsurface.batchtexcoordtexture2f = R_FrameData_Alloc(batchnumvertices * sizeof(float[2]));
9272 //              rsurface.batchtexcoordtexture2f_vertexbuffer = NULL;
9273 //              rsurface.batchtexcoordtexture2f_bufferoffset = 0;
9274                 for (j = 0;j < batchnumvertices;j++)
9275                 {
9276                         rsurface.batchtexcoordtexture2f[j*2+0] = DotProduct(rsurface.batchvertex3f + 3*j, rsurface.texture->tcgen.parms);
9277                         rsurface.batchtexcoordtexture2f[j*2+1] = DotProduct(rsurface.batchvertex3f + 3*j, rsurface.texture->tcgen.parms + 3);
9278                 }
9279                 break;
9280         case Q3TCGEN_ENVIRONMENT:
9281                 // make environment reflections using a spheremap
9282                 rsurface.batchtexcoordtexture2f = (float *)R_FrameData_Alloc(batchnumvertices * sizeof(float[2]));
9283                 rsurface.batchtexcoordtexture2f_vertexbuffer = NULL;
9284                 rsurface.batchtexcoordtexture2f_bufferoffset = 0;
9285                 for (j = 0;j < batchnumvertices;j++)
9286                 {
9287                         // identical to Q3A's method, but executed in worldspace so
9288                         // carried models can be shiny too
9289
9290                         float viewer[3], d, reflected[3], worldreflected[3];
9291
9292                         VectorSubtract(rsurface.localvieworigin, rsurface.batchvertex3f + 3*j, viewer);
9293                         // VectorNormalize(viewer);
9294
9295                         d = DotProduct(rsurface.batchnormal3f + 3*j, viewer);
9296
9297                         reflected[0] = rsurface.batchnormal3f[j*3+0]*2*d - viewer[0];
9298                         reflected[1] = rsurface.batchnormal3f[j*3+1]*2*d - viewer[1];
9299                         reflected[2] = rsurface.batchnormal3f[j*3+2]*2*d - viewer[2];
9300                         // note: this is proportinal to viewer, so we can normalize later
9301
9302                         Matrix4x4_Transform3x3(&rsurface.matrix, reflected, worldreflected);
9303                         VectorNormalize(worldreflected);
9304
9305                         // note: this sphere map only uses world x and z!
9306                         // so positive and negative y will LOOK THE SAME.
9307                         rsurface.batchtexcoordtexture2f[j*2+0] = 0.5 + 0.5 * worldreflected[1];
9308                         rsurface.batchtexcoordtexture2f[j*2+1] = 0.5 - 0.5 * worldreflected[2];
9309                 }
9310                 break;
9311         }
9312         // the only tcmod that needs software vertex processing is turbulent, so
9313         // check for it here and apply the changes if needed
9314         // and we only support that as the first one
9315         // (handling a mixture of turbulent and other tcmods would be problematic
9316         //  without punting it entirely to a software path)
9317         if (rsurface.texture->tcmods[0].tcmod == Q3TCMOD_TURBULENT)
9318         {
9319                 amplitude = rsurface.texture->tcmods[0].parms[1];
9320                 animpos = rsurface.texture->tcmods[0].parms[2] + rsurface.shadertime * rsurface.texture->tcmods[0].parms[3];
9321 //              rsurface.batchtexcoordtexture2f = R_FrameData_Alloc(batchnumvertices * sizeof(float[2]));
9322 //              rsurface.batchtexcoordtexture2f_vertexbuffer = NULL;
9323 //              rsurface.batchtexcoordtexture2f_bufferoffset = 0;
9324                 for (j = 0;j < batchnumvertices;j++)
9325                 {
9326                         rsurface.batchtexcoordtexture2f[j*2+0] += amplitude * sin(((rsurface.batchvertex3f[j*3+0] + rsurface.batchvertex3f[j*3+2]) * 1.0 / 1024.0f + animpos) * M_PI * 2);
9327                         rsurface.batchtexcoordtexture2f[j*2+1] += amplitude * sin(((rsurface.batchvertex3f[j*3+1]                                ) * 1.0 / 1024.0f + animpos) * M_PI * 2);
9328                 }
9329         }
9330
9331         if (needsupdate & batchneed & (BATCHNEED_VERTEXMESH_VERTEX | BATCHNEED_VERTEXMESH_NORMAL | BATCHNEED_VERTEXMESH_VECTOR | BATCHNEED_VERTEXMESH_VERTEXCOLOR | BATCHNEED_VERTEXMESH_TEXCOORD | BATCHNEED_VERTEXMESH_LIGHTMAP))
9332         {
9333                 // convert the modified arrays to vertex structs
9334 //              rsurface.batchvertexmesh = R_FrameData_Alloc(batchnumvertices * sizeof(r_vertexmesh_t));
9335 //              rsurface.batchvertexmeshbuffer = NULL;
9336                 if (batchneed & BATCHNEED_VERTEXMESH_VERTEX)
9337                         for (j = 0, vertexmesh = rsurface.batchvertexmesh;j < batchnumvertices;j++, vertexmesh++)
9338                                 VectorCopy(rsurface.batchvertex3f + 3*j, vertexmesh->vertex3f);
9339                 if (batchneed & BATCHNEED_VERTEXMESH_NORMAL)
9340                         for (j = 0, vertexmesh = rsurface.batchvertexmesh;j < batchnumvertices;j++, vertexmesh++)
9341                                 VectorCopy(rsurface.batchnormal3f + 3*j, vertexmesh->normal3f);
9342                 if (batchneed & BATCHNEED_VERTEXMESH_VECTOR)
9343                 {
9344                         for (j = 0, vertexmesh = rsurface.batchvertexmesh;j < batchnumvertices;j++, vertexmesh++)
9345                         {
9346                                 VectorCopy(rsurface.batchsvector3f + 3*j, vertexmesh->svector3f);
9347                                 VectorCopy(rsurface.batchtvector3f + 3*j, vertexmesh->tvector3f);
9348                         }
9349                 }
9350                 if ((batchneed & BATCHNEED_VERTEXMESH_VERTEXCOLOR) && rsurface.batchlightmapcolor4f)
9351                         for (j = 0, vertexmesh = rsurface.batchvertexmesh;j < batchnumvertices;j++, vertexmesh++)
9352                                 Vector4Copy(rsurface.batchlightmapcolor4f + 4*j, vertexmesh->color4f);
9353                 if (batchneed & BATCHNEED_VERTEXMESH_TEXCOORD)
9354                         for (j = 0, vertexmesh = rsurface.batchvertexmesh;j < batchnumvertices;j++, vertexmesh++)
9355                                 Vector2Copy(rsurface.batchtexcoordtexture2f + 2*j, vertexmesh->texcoordtexture2f);
9356                 if ((batchneed & BATCHNEED_VERTEXMESH_LIGHTMAP) && rsurface.batchtexcoordlightmap2f)
9357                         for (j = 0, vertexmesh = rsurface.batchvertexmesh;j < batchnumvertices;j++, vertexmesh++)
9358                                 Vector2Copy(rsurface.batchtexcoordlightmap2f + 2*j, vertexmesh->texcoordlightmap2f);
9359         }
9360 }
9361
9362 void RSurf_DrawBatch(void)
9363 {
9364         // sometimes a zero triangle surface (usually a degenerate patch) makes it
9365         // through the pipeline, killing it earlier in the pipeline would have
9366         // per-surface overhead rather than per-batch overhead, so it's best to
9367         // reject it here, before it hits glDraw.
9368         if (rsurface.batchnumtriangles == 0)
9369                 return;
9370 #if 0
9371         // batch debugging code
9372         if (r_test.integer && rsurface.entity == r_refdef.scene.worldentity && rsurface.batchvertex3f == r_refdef.scene.worldentity->model->surfmesh.data_vertex3f)
9373         {
9374                 int i;
9375                 int j;
9376                 int c;
9377                 const int *e;
9378                 e = rsurface.batchelement3i + rsurface.batchfirsttriangle*3;
9379                 for (i = 0;i < rsurface.batchnumtriangles*3;i++)
9380                 {
9381                         c = e[i];
9382                         for (j = 0;j < rsurface.entity->model->num_surfaces;j++)
9383                         {
9384                                 if (c >= rsurface.modelsurfaces[j].num_firstvertex && c < (rsurface.modelsurfaces[j].num_firstvertex + rsurface.modelsurfaces[j].num_vertices))
9385                                 {
9386                                         if (rsurface.modelsurfaces[j].texture != rsurface.texture)
9387                                                 Sys_Error("RSurf_DrawBatch: index %i uses different texture (%s) than surface %i which it belongs to (which uses %s)\n", c, rsurface.texture->name, j, rsurface.modelsurfaces[j].texture->name);
9388                                         break;
9389                                 }
9390                         }
9391                 }
9392         }
9393 #endif
9394         R_Mesh_Draw(rsurface.batchfirstvertex, rsurface.batchnumvertices, rsurface.batchfirsttriangle, rsurface.batchnumtriangles, rsurface.batchelement3i, rsurface.batchelement3i_indexbuffer, rsurface.batchelement3i_bufferoffset, rsurface.batchelement3s, rsurface.batchelement3s_indexbuffer, rsurface.batchelement3s_bufferoffset);
9395 }
9396
9397 static int RSurf_FindWaterPlaneForSurface(const msurface_t *surface)
9398 {
9399         // pick the closest matching water plane
9400         int planeindex, vertexindex, bestplaneindex = -1;
9401         float d, bestd;
9402         vec3_t vert;
9403         const float *v;
9404         r_waterstate_waterplane_t *p;
9405         qboolean prepared = false;
9406         bestd = 0;
9407         for (planeindex = 0, p = r_fb.water.waterplanes;planeindex < r_fb.water.numwaterplanes;planeindex++, p++)
9408         {
9409                 if(p->camera_entity != rsurface.texture->camera_entity)
9410                         continue;
9411                 d = 0;
9412                 if(!prepared)
9413                 {
9414                         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_NOGAPS, 1, &surface);
9415                         prepared = true;
9416                         if(rsurface.batchnumvertices == 0)
9417                                 break;
9418                 }
9419                 for (vertexindex = 0, v = rsurface.batchvertex3f + rsurface.batchfirstvertex * 3;vertexindex < rsurface.batchnumvertices;vertexindex++, v += 3)
9420                 {
9421                         Matrix4x4_Transform(&rsurface.matrix, v, vert);
9422                         d += fabs(PlaneDiff(vert, &p->plane));
9423                 }
9424                 if (bestd > d || bestplaneindex < 0)
9425                 {
9426                         bestd = d;
9427                         bestplaneindex = planeindex;
9428                 }
9429         }
9430         return bestplaneindex;
9431         // NOTE: this MAY return a totally unrelated water plane; we can ignore
9432         // this situation though, as it might be better to render single larger
9433         // batches with useless stuff (backface culled for example) than to
9434         // render multiple smaller batches
9435 }
9436
9437 static void RSurf_DrawBatch_GL11_MakeFullbrightLightmapColorArray(void)
9438 {
9439         int i;
9440         rsurface.passcolor4f = (float *)R_FrameData_Alloc(rsurface.batchnumvertices * sizeof(float[4]));
9441         rsurface.passcolor4f_vertexbuffer = 0;
9442         rsurface.passcolor4f_bufferoffset = 0;
9443         for (i = 0;i < rsurface.batchnumvertices;i++)
9444                 Vector4Set(rsurface.passcolor4f + 4*i, 0.5f, 0.5f, 0.5f, 1.0f);
9445 }
9446
9447 static void RSurf_DrawBatch_GL11_ApplyFog(void)
9448 {
9449         int i;
9450         float f;
9451         const float *v;
9452         const float *c;
9453         float *c2;
9454         if (rsurface.passcolor4f)
9455         {
9456                 // generate color arrays
9457                 c = rsurface.passcolor4f + rsurface.batchfirstvertex * 4;
9458                 rsurface.passcolor4f = (float *)R_FrameData_Alloc(rsurface.batchnumvertices * sizeof(float[4]));
9459                 rsurface.passcolor4f_vertexbuffer = 0;
9460                 rsurface.passcolor4f_bufferoffset = 0;
9461                 for (i = 0, v = rsurface.batchvertex3f + rsurface.batchfirstvertex * 3, c = rsurface.passcolor4f + rsurface.batchfirstvertex * 4, c2 = rsurface.passcolor4f + rsurface.batchfirstvertex * 4;i < rsurface.batchnumvertices;i++, v += 3, c += 4, c2 += 4)
9462                 {
9463                         f = RSurf_FogVertex(v);
9464                         c2[0] = c[0] * f;
9465                         c2[1] = c[1] * f;
9466                         c2[2] = c[2] * f;
9467                         c2[3] = c[3];
9468                 }
9469         }
9470         else
9471         {
9472                 rsurface.passcolor4f = (float *)R_FrameData_Alloc(rsurface.batchnumvertices * sizeof(float[4]));
9473                 rsurface.passcolor4f_vertexbuffer = 0;
9474                 rsurface.passcolor4f_bufferoffset = 0;
9475                 for (i = 0, v = rsurface.batchvertex3f + rsurface.batchfirstvertex * 3, c2 = rsurface.passcolor4f + rsurface.batchfirstvertex * 4;i < rsurface.batchnumvertices;i++, v += 3, c2 += 4)
9476                 {
9477                         f = RSurf_FogVertex(v);
9478                         c2[0] = f;
9479                         c2[1] = f;
9480                         c2[2] = f;
9481                         c2[3] = 1;
9482                 }
9483         }
9484 }
9485
9486 static void RSurf_DrawBatch_GL11_ApplyFogToFinishedVertexColors(void)
9487 {
9488         int i;
9489         float f;
9490         const float *v;
9491         const float *c;
9492         float *c2;
9493         if (!rsurface.passcolor4f)
9494                 return;
9495         c = rsurface.passcolor4f + rsurface.batchfirstvertex * 4;
9496         rsurface.passcolor4f = (float *)R_FrameData_Alloc(rsurface.batchnumvertices * sizeof(float[4]));
9497         rsurface.passcolor4f_vertexbuffer = 0;
9498         rsurface.passcolor4f_bufferoffset = 0;
9499         for (i = 0, v = rsurface.batchvertex3f + rsurface.batchfirstvertex * 3, c2 = rsurface.passcolor4f + rsurface.batchfirstvertex * 4;i < rsurface.batchnumvertices;i++, v += 3, c += 4, c2 += 4)
9500         {
9501                 f = RSurf_FogVertex(v);
9502                 c2[0] = c[0] * f + r_refdef.fogcolor[0] * (1 - f);
9503                 c2[1] = c[1] * f + r_refdef.fogcolor[1] * (1 - f);
9504                 c2[2] = c[2] * f + r_refdef.fogcolor[2] * (1 - f);
9505                 c2[3] = c[3];
9506         }
9507 }
9508
9509 static void RSurf_DrawBatch_GL11_ApplyColor(float r, float g, float b, float a)
9510 {
9511         int i;
9512         const float *c;
9513         float *c2;
9514         if (!rsurface.passcolor4f)
9515                 return;
9516         c = rsurface.passcolor4f + rsurface.batchfirstvertex * 4;
9517         rsurface.passcolor4f = (float *)R_FrameData_Alloc(rsurface.batchnumvertices * sizeof(float[4]));
9518         rsurface.passcolor4f_vertexbuffer = 0;
9519         rsurface.passcolor4f_bufferoffset = 0;
9520         for (i = 0, c2 = rsurface.passcolor4f + rsurface.batchfirstvertex * 4;i < rsurface.batchnumvertices;i++, c += 4, c2 += 4)
9521         {
9522                 c2[0] = c[0] * r;
9523                 c2[1] = c[1] * g;
9524                 c2[2] = c[2] * b;
9525                 c2[3] = c[3] * a;
9526         }
9527 }
9528
9529 static void RSurf_DrawBatch_GL11_ApplyAmbient(void)
9530 {
9531         int i;
9532         const float *c;
9533         float *c2;
9534         if (!rsurface.passcolor4f)
9535                 return;
9536         c = rsurface.passcolor4f + rsurface.batchfirstvertex * 4;
9537         rsurface.passcolor4f = (float *)R_FrameData_Alloc(rsurface.batchnumvertices * sizeof(float[4]));
9538         rsurface.passcolor4f_vertexbuffer = 0;
9539         rsurface.passcolor4f_bufferoffset = 0;
9540         for (i = 0, c2 = rsurface.passcolor4f + rsurface.batchfirstvertex * 4;i < rsurface.batchnumvertices;i++, c += 4, c2 += 4)
9541         {
9542                 c2[0] = c[0] + r_refdef.scene.ambient;
9543                 c2[1] = c[1] + r_refdef.scene.ambient;
9544                 c2[2] = c[2] + r_refdef.scene.ambient;
9545                 c2[3] = c[3];
9546         }
9547 }
9548
9549 static void RSurf_DrawBatch_GL11_Lightmap(float r, float g, float b, float a, qboolean applycolor, qboolean applyfog)
9550 {
9551         // TODO: optimize
9552         rsurface.passcolor4f = NULL;
9553         rsurface.passcolor4f_vertexbuffer = 0;
9554         rsurface.passcolor4f_bufferoffset = 0;
9555         if (applyfog)   RSurf_DrawBatch_GL11_ApplyFog();
9556         if (applycolor) RSurf_DrawBatch_GL11_ApplyColor(r, g, b, a);
9557         R_Mesh_ColorPointer(4, GL_FLOAT, sizeof(float[4]), rsurface.passcolor4f, rsurface.passcolor4f_vertexbuffer, rsurface.passcolor4f_bufferoffset);
9558         GL_Color(r, g, b, a);
9559         R_Mesh_TexBind(0, rsurface.lightmaptexture);
9560         RSurf_DrawBatch();
9561 }
9562
9563 static void RSurf_DrawBatch_GL11_Unlit(float r, float g, float b, float a, qboolean applycolor, qboolean applyfog)
9564 {
9565         // TODO: optimize applyfog && applycolor case
9566         // just apply fog if necessary, and tint the fog color array if necessary
9567         rsurface.passcolor4f = NULL;
9568         rsurface.passcolor4f_vertexbuffer = 0;
9569         rsurface.passcolor4f_bufferoffset = 0;
9570         if (applyfog)   RSurf_DrawBatch_GL11_ApplyFog();
9571         if (applycolor) RSurf_DrawBatch_GL11_ApplyColor(r, g, b, a);
9572         R_Mesh_ColorPointer(4, GL_FLOAT, sizeof(float[4]), rsurface.passcolor4f, rsurface.passcolor4f_vertexbuffer, rsurface.passcolor4f_bufferoffset);
9573         GL_Color(r, g, b, a);
9574         RSurf_DrawBatch();
9575 }
9576
9577 static void RSurf_DrawBatch_GL11_VertexColor(float r, float g, float b, float a, qboolean applycolor, qboolean applyfog)
9578 {
9579         // TODO: optimize
9580         rsurface.passcolor4f = rsurface.batchlightmapcolor4f;
9581         rsurface.passcolor4f_vertexbuffer = rsurface.batchlightmapcolor4f_vertexbuffer;
9582         rsurface.passcolor4f_bufferoffset = rsurface.batchlightmapcolor4f_bufferoffset;
9583         if (applyfog)   RSurf_DrawBatch_GL11_ApplyFog();
9584         if (applycolor) RSurf_DrawBatch_GL11_ApplyColor(r, g, b, a);
9585         R_Mesh_ColorPointer(4, GL_FLOAT, sizeof(float[4]), rsurface.passcolor4f, rsurface.passcolor4f_vertexbuffer, rsurface.passcolor4f_bufferoffset);
9586         GL_Color(r, g, b, a);
9587         RSurf_DrawBatch();
9588 }
9589
9590 static void RSurf_DrawBatch_GL11_ClampColor(void)
9591 {
9592         int i;
9593         const float *c1;
9594         float *c2;
9595         if (!rsurface.passcolor4f)
9596                 return;
9597         for (i = 0, c1 = rsurface.passcolor4f + 4*rsurface.batchfirstvertex, c2 = rsurface.passcolor4f + 4*rsurface.batchfirstvertex;i < rsurface.batchnumvertices;i++, c1 += 4, c2 += 4)
9598         {
9599                 c2[0] = bound(0.0f, c1[0], 1.0f);
9600                 c2[1] = bound(0.0f, c1[1], 1.0f);
9601                 c2[2] = bound(0.0f, c1[2], 1.0f);
9602                 c2[3] = bound(0.0f, c1[3], 1.0f);
9603         }
9604 }
9605
9606 static void RSurf_DrawBatch_GL11_ApplyFakeLight(void)
9607 {
9608         int i;
9609         float f;
9610         const float *v;
9611         const float *n;
9612         float *c;
9613         //vec3_t eyedir;
9614
9615         // fake shading
9616         rsurface.passcolor4f = (float *)R_FrameData_Alloc(rsurface.batchnumvertices * sizeof(float[4]));
9617         rsurface.passcolor4f_vertexbuffer = 0;
9618         rsurface.passcolor4f_bufferoffset = 0;
9619         for (i = 0, v = rsurface.batchvertex3f + rsurface.batchfirstvertex * 3, n = rsurface.batchnormal3f + rsurface.batchfirstvertex * 3, c = rsurface.passcolor4f + rsurface.batchfirstvertex * 4;i < rsurface.batchnumvertices;i++, v += 3, n += 3, c += 4)
9620         {
9621                 f = -DotProduct(r_refdef.view.forward, n);
9622                 f = max(0, f);
9623                 f = f * 0.85 + 0.15; // work around so stuff won't get black
9624                 f *= r_refdef.lightmapintensity;
9625                 Vector4Set(c, f, f, f, 1);
9626         }
9627 }
9628
9629 static void RSurf_DrawBatch_GL11_FakeLight(float r, float g, float b, float a, qboolean applycolor, qboolean applyfog)
9630 {
9631         RSurf_DrawBatch_GL11_ApplyFakeLight();
9632         if (applyfog)   RSurf_DrawBatch_GL11_ApplyFog();
9633         if (applycolor) RSurf_DrawBatch_GL11_ApplyColor(r, g, b, a);
9634         R_Mesh_ColorPointer(4, GL_FLOAT, sizeof(float[4]), rsurface.passcolor4f, rsurface.passcolor4f_vertexbuffer, rsurface.passcolor4f_bufferoffset);
9635         GL_Color(r, g, b, a);
9636         RSurf_DrawBatch();
9637 }
9638
9639 static void RSurf_DrawBatch_GL11_ApplyVertexShade(float *r, float *g, float *b, float *a, qboolean *applycolor)
9640 {
9641         int i;
9642         float f;
9643         float alpha;
9644         const float *v;
9645         const float *n;
9646         float *c;
9647         vec3_t ambientcolor;
9648         vec3_t diffusecolor;
9649         vec3_t lightdir;
9650         // TODO: optimize
9651         // model lighting
9652         VectorCopy(rsurface.modellight_lightdir, lightdir);
9653         f = 0.5f * r_refdef.lightmapintensity;
9654         ambientcolor[0] = rsurface.modellight_ambient[0] * *r * f;
9655         ambientcolor[1] = rsurface.modellight_ambient[1] * *g * f;
9656         ambientcolor[2] = rsurface.modellight_ambient[2] * *b * f;
9657         diffusecolor[0] = rsurface.modellight_diffuse[0] * *r * f;
9658         diffusecolor[1] = rsurface.modellight_diffuse[1] * *g * f;
9659         diffusecolor[2] = rsurface.modellight_diffuse[2] * *b * f;
9660         alpha = *a;
9661         if (VectorLength2(diffusecolor) > 0)
9662         {
9663                 // q3-style directional shading
9664                 rsurface.passcolor4f = (float *)R_FrameData_Alloc(rsurface.batchnumvertices * sizeof(float[4]));
9665                 rsurface.passcolor4f_vertexbuffer = 0;
9666                 rsurface.passcolor4f_bufferoffset = 0;
9667                 for (i = 0, v = rsurface.batchvertex3f + rsurface.batchfirstvertex * 3, n = rsurface.batchnormal3f + rsurface.batchfirstvertex * 3, c = rsurface.passcolor4f + rsurface.batchfirstvertex * 4;i < rsurface.batchnumvertices;i++, v += 3, n += 3, c += 4)
9668                 {
9669                         if ((f = DotProduct(n, lightdir)) > 0)
9670                                 VectorMA(ambientcolor, f, diffusecolor, c);
9671                         else
9672                                 VectorCopy(ambientcolor, c);
9673                         c[3] = alpha;
9674                 }
9675                 *r = 1;
9676                 *g = 1;
9677                 *b = 1;
9678                 *a = 1;
9679                 *applycolor = false;
9680         }
9681         else
9682         {
9683                 *r = ambientcolor[0];
9684                 *g = ambientcolor[1];
9685                 *b = ambientcolor[2];
9686                 rsurface.passcolor4f = NULL;
9687                 rsurface.passcolor4f_vertexbuffer = 0;
9688                 rsurface.passcolor4f_bufferoffset = 0;
9689         }
9690 }
9691
9692 static void RSurf_DrawBatch_GL11_VertexShade(float r, float g, float b, float a, qboolean applycolor, qboolean applyfog)
9693 {
9694         RSurf_DrawBatch_GL11_ApplyVertexShade(&r, &g, &b, &a, &applycolor);
9695         if (applyfog)   RSurf_DrawBatch_GL11_ApplyFog();
9696         if (applycolor) RSurf_DrawBatch_GL11_ApplyColor(r, g, b, a);
9697         R_Mesh_ColorPointer(4, GL_FLOAT, sizeof(float[4]), rsurface.passcolor4f, rsurface.passcolor4f_vertexbuffer, rsurface.passcolor4f_bufferoffset);
9698         GL_Color(r, g, b, a);
9699         RSurf_DrawBatch();
9700 }
9701
9702 static void RSurf_DrawBatch_GL11_MakeFogColor(float r, float g, float b, float a)
9703 {
9704         int i;
9705         float f;
9706         const float *v;
9707         float *c;
9708
9709         // fake shading
9710         rsurface.passcolor4f = (float *)R_FrameData_Alloc(rsurface.batchnumvertices * sizeof(float[4]));
9711         rsurface.passcolor4f_vertexbuffer = 0;
9712         rsurface.passcolor4f_bufferoffset = 0;
9713
9714         for (i = 0, v = rsurface.batchvertex3f + rsurface.batchfirstvertex * 3, c = rsurface.passcolor4f + rsurface.batchfirstvertex * 4;i < rsurface.batchnumvertices;i++, v += 3, c += 4)
9715         {
9716                 f = 1 - RSurf_FogVertex(v);
9717                 c[0] = r;
9718                 c[1] = g;
9719                 c[2] = b;
9720                 c[3] = f * a;
9721         }
9722 }
9723
9724 void RSurf_SetupDepthAndCulling(void)
9725 {
9726         // submodels are biased to avoid z-fighting with world surfaces that they
9727         // may be exactly overlapping (avoids z-fighting artifacts on certain
9728         // doors and things in Quake maps)
9729         GL_DepthRange(0, (rsurface.texture->currentmaterialflags & MATERIALFLAG_SHORTDEPTHRANGE) ? 0.0625 : 1);
9730         GL_PolygonOffset(rsurface.basepolygonfactor + rsurface.texture->biaspolygonfactor, rsurface.basepolygonoffset + rsurface.texture->biaspolygonoffset);
9731         GL_DepthTest(!(rsurface.texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST));
9732         GL_CullFace((rsurface.texture->currentmaterialflags & MATERIALFLAG_NOCULLFACE) ? GL_NONE : r_refdef.view.cullface_back);
9733 }
9734
9735 static void R_DrawTextureSurfaceList_Sky(int texturenumsurfaces, const msurface_t **texturesurfacelist)
9736 {
9737         // transparent sky would be ridiculous
9738         if (rsurface.texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED)
9739                 return;
9740         R_SetupShader_Generic_NoTexture(false, false);
9741         skyrenderlater = true;
9742         RSurf_SetupDepthAndCulling();
9743         GL_DepthMask(true);
9744         // LordHavoc: HalfLife maps have freaky skypolys so don't use
9745         // skymasking on them, and Quake3 never did sky masking (unlike
9746         // software Quake and software Quake2), so disable the sky masking
9747         // in Quake3 maps as it causes problems with q3map2 sky tricks,
9748         // and skymasking also looks very bad when noclipping outside the
9749         // level, so don't use it then either.
9750         if (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->type == mod_brushq1 && r_q1bsp_skymasking.integer && !r_refdef.viewcache.world_novis && !r_trippy.integer)
9751         {
9752                 R_Mesh_ResetTextureState();
9753                 if (skyrendermasked)
9754                 {
9755                         R_SetupShader_DepthOrShadow(false, false);
9756                         // depth-only (masking)
9757                         GL_ColorMask(0,0,0,0);
9758                         // just to make sure that braindead drivers don't draw
9759                         // anything despite that colormask...
9760                         GL_BlendFunc(GL_ZERO, GL_ONE);
9761                         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_NOGAPS, texturenumsurfaces, texturesurfacelist);
9762                         if (rsurface.batchvertex3fbuffer)
9763                                 R_Mesh_PrepareVertices_Vertex3f(rsurface.batchnumvertices, rsurface.batchvertex3f, rsurface.batchvertex3fbuffer);
9764                         else
9765                                 R_Mesh_PrepareVertices_Vertex3f(rsurface.batchnumvertices, rsurface.batchvertex3f, rsurface.batchvertex3f_vertexbuffer);
9766                 }
9767                 else
9768                 {
9769                         R_SetupShader_Generic_NoTexture(false, false);
9770                         // fog sky
9771                         GL_BlendFunc(GL_ONE, GL_ZERO);
9772                         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_NOGAPS, texturenumsurfaces, texturesurfacelist);
9773                         GL_Color(r_refdef.fogcolor[0], r_refdef.fogcolor[1], r_refdef.fogcolor[2], 1);
9774                         R_Mesh_PrepareVertices_Generic_Arrays(rsurface.batchnumvertices, rsurface.batchvertex3f, NULL, NULL);
9775                 }
9776                 RSurf_DrawBatch();
9777                 if (skyrendermasked)
9778                         GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1);
9779         }
9780         R_Mesh_ResetTextureState();
9781         GL_Color(1, 1, 1, 1);
9782 }
9783
9784 extern rtexture_t *r_shadow_prepasslightingdiffusetexture;
9785 extern rtexture_t *r_shadow_prepasslightingspeculartexture;
9786 static void R_DrawTextureSurfaceList_GL20(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth, qboolean prepass)
9787 {
9788         if (r_fb.water.renderingscene && (rsurface.texture->currentmaterialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_REFLECTION | MATERIALFLAG_CAMERA)))
9789                 return;
9790         if (prepass)
9791         {
9792                 // render screenspace normalmap to texture
9793                 GL_DepthMask(true);
9794                 R_SetupShader_Surface(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_DEFERREDGEOMETRY, texturenumsurfaces, texturesurfacelist, NULL, false);
9795                 RSurf_DrawBatch();
9796                 return;
9797         }
9798
9799         // bind lightmap texture
9800
9801         // water/refraction/reflection/camera surfaces have to be handled specially
9802         if ((rsurface.texture->currentmaterialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_CAMERA | MATERIALFLAG_REFLECTION)))
9803         {
9804                 int start, end, startplaneindex;
9805                 for (start = 0;start < texturenumsurfaces;start = end)
9806                 {
9807                         startplaneindex = RSurf_FindWaterPlaneForSurface(texturesurfacelist[start]);
9808                         if(startplaneindex < 0)
9809                         {
9810                                 // this happens if the plane e.g. got backface culled and thus didn't get a water plane. We can just ignore this.
9811                                 // Con_Printf("No matching water plane for surface with material flags 0x%08x - PLEASE DEBUG THIS\n", rsurface.texture->currentmaterialflags);
9812                                 end = start + 1;
9813                                 continue;
9814                         }
9815                         for (end = start + 1;end < texturenumsurfaces && startplaneindex == RSurf_FindWaterPlaneForSurface(texturesurfacelist[end]);end++)
9816                                 ;
9817                         // now that we have a batch using the same planeindex, render it
9818                         if ((rsurface.texture->currentmaterialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_CAMERA)))
9819                         {
9820                                 // render water or distortion background
9821                                 GL_DepthMask(true);
9822                                 R_SetupShader_Surface(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_BACKGROUND, end-start, texturesurfacelist + start, (void *)(r_fb.water.waterplanes + startplaneindex), false);
9823                                 RSurf_DrawBatch();
9824                                 // blend surface on top
9825                                 GL_DepthMask(false);
9826                                 R_SetupShader_Surface(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_BASE, end-start, texturesurfacelist + start, NULL, false);
9827                                 RSurf_DrawBatch();
9828                         }
9829                         else if ((rsurface.texture->currentmaterialflags & MATERIALFLAG_REFLECTION))
9830                         {
9831                                 // render surface with reflection texture as input
9832                                 GL_DepthMask(writedepth && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_BLENDED));
9833                                 R_SetupShader_Surface(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_BASE, end-start, texturesurfacelist + start, (void *)(r_fb.water.waterplanes + startplaneindex), false);
9834                                 RSurf_DrawBatch();
9835                         }
9836                 }
9837                 return;
9838         }
9839
9840         // render surface batch normally
9841         GL_DepthMask(writedepth && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_BLENDED));
9842         R_SetupShader_Surface(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_BASE, texturenumsurfaces, texturesurfacelist, NULL, (rsurface.texture->currentmaterialflags & MATERIALFLAG_SKY) != 0);
9843         RSurf_DrawBatch();
9844 }
9845
9846 static void R_DrawTextureSurfaceList_GL13(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth)
9847 {
9848         // OpenGL 1.3 path - anything not completely ancient
9849         qboolean applycolor;
9850         qboolean applyfog;
9851         int layerindex;
9852         const texturelayer_t *layer;
9853         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | ((!rsurface.uselightmaptexture && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT)) ? BATCHNEED_ARRAY_VERTEXCOLOR : 0) | BATCHNEED_ARRAY_TEXCOORD | (rsurface.modeltexcoordlightmap2f ? BATCHNEED_ARRAY_LIGHTMAP : 0) | BATCHNEED_NOGAPS, texturenumsurfaces, texturesurfacelist);
9854         R_Mesh_VertexPointer(3, GL_FLOAT, sizeof(float[3]), rsurface.batchvertex3f, rsurface.batchvertex3f_vertexbuffer, rsurface.batchvertex3f_bufferoffset);
9855
9856         for (layerindex = 0, layer = rsurface.texture->currentlayers;layerindex < rsurface.texture->currentnumlayers;layerindex++, layer++)
9857         {
9858                 vec4_t layercolor;
9859                 int layertexrgbscale;
9860                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
9861                 {
9862                         if (layerindex == 0)
9863                                 GL_AlphaTest(true);
9864                         else
9865                         {
9866                                 GL_AlphaTest(false);
9867                                 GL_DepthFunc(GL_EQUAL);
9868                         }
9869                 }
9870                 GL_DepthMask(layer->depthmask && writedepth);
9871                 GL_BlendFunc(layer->blendfunc1, layer->blendfunc2);
9872                 if (layer->color[0] > 2 || layer->color[1] > 2 || layer->color[2] > 2)
9873                 {
9874                         layertexrgbscale = 4;
9875                         VectorScale(layer->color, 0.25f, layercolor);
9876                 }
9877                 else if (layer->color[0] > 1 || layer->color[1] > 1 || layer->color[2] > 1)
9878                 {
9879                         layertexrgbscale = 2;
9880                         VectorScale(layer->color, 0.5f, layercolor);
9881                 }
9882                 else
9883                 {
9884                         layertexrgbscale = 1;
9885                         VectorScale(layer->color, 1.0f, layercolor);
9886                 }
9887                 layercolor[3] = layer->color[3];
9888                 applycolor = layercolor[0] != 1 || layercolor[1] != 1 || layercolor[2] != 1 || layercolor[3] != 1;
9889                 R_Mesh_ColorPointer(4, GL_FLOAT, sizeof(float[4]), NULL, 0, 0);
9890                 applyfog = r_refdef.fogenabled && (rsurface.texture->currentmaterialflags & MATERIALFLAG_BLENDED);
9891                 switch (layer->type)
9892                 {
9893                 case TEXTURELAYERTYPE_LITTEXTURE:
9894                         // single-pass lightmapped texture with 2x rgbscale
9895                         R_Mesh_TexBind(0, r_texture_white);
9896                         R_Mesh_TexMatrix(0, NULL);
9897                         R_Mesh_TexCombine(0, GL_MODULATE, GL_MODULATE, 1, 1);
9898                         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), rsurface.batchtexcoordlightmap2f, rsurface.batchtexcoordlightmap2f_vertexbuffer, rsurface.batchtexcoordlightmap2f_bufferoffset);
9899                         R_Mesh_TexBind(1, layer->texture);
9900                         R_Mesh_TexMatrix(1, &layer->texmatrix);
9901                         R_Mesh_TexCombine(1, GL_MODULATE, GL_MODULATE, layertexrgbscale, 1);
9902                         R_Mesh_TexCoordPointer(1, 2, GL_FLOAT, sizeof(float[2]), rsurface.batchtexcoordtexture2f, rsurface.batchtexcoordtexture2f_vertexbuffer, rsurface.batchtexcoordtexture2f_bufferoffset);
9903                         if (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT)
9904                                 RSurf_DrawBatch_GL11_VertexShade(layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
9905                         else if (FAKELIGHT_ENABLED)
9906                                 RSurf_DrawBatch_GL11_FakeLight(layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
9907                         else if (rsurface.uselightmaptexture)
9908                                 RSurf_DrawBatch_GL11_Lightmap(layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
9909                         else
9910                                 RSurf_DrawBatch_GL11_VertexColor(layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
9911                         break;
9912                 case TEXTURELAYERTYPE_TEXTURE:
9913                         // singletexture unlit texture with transparency support
9914                         R_Mesh_TexBind(0, layer->texture);
9915                         R_Mesh_TexMatrix(0, &layer->texmatrix);
9916                         R_Mesh_TexCombine(0, GL_MODULATE, GL_MODULATE, layertexrgbscale, 1);
9917                         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), rsurface.batchtexcoordtexture2f, rsurface.batchtexcoordtexture2f_vertexbuffer, rsurface.batchtexcoordtexture2f_bufferoffset);
9918                         R_Mesh_TexBind(1, 0);
9919                         R_Mesh_TexCoordPointer(1, 2, GL_FLOAT, sizeof(float[2]), NULL, 0, 0);
9920                         RSurf_DrawBatch_GL11_Unlit(layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
9921                         break;
9922                 case TEXTURELAYERTYPE_FOG:
9923                         // singletexture fogging
9924                         if (layer->texture)
9925                         {
9926                                 R_Mesh_TexBind(0, layer->texture);
9927                                 R_Mesh_TexMatrix(0, &layer->texmatrix);
9928                                 R_Mesh_TexCombine(0, GL_MODULATE, GL_MODULATE, layertexrgbscale, 1);
9929                                 R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), rsurface.batchtexcoordtexture2f, rsurface.batchtexcoordtexture2f_vertexbuffer, rsurface.batchtexcoordtexture2f_bufferoffset);
9930                         }
9931                         else
9932                         {
9933                                 R_Mesh_TexBind(0, 0);
9934                                 R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), NULL, 0, 0);
9935                         }
9936                         R_Mesh_TexBind(1, 0);
9937                         R_Mesh_TexCoordPointer(1, 2, GL_FLOAT, sizeof(float[2]), NULL, 0, 0);
9938                         // generate a color array for the fog pass
9939                         R_Mesh_ColorPointer(4, GL_FLOAT, sizeof(float[4]), rsurface.passcolor4f, 0, 0);
9940                         RSurf_DrawBatch_GL11_MakeFogColor(layercolor[0], layercolor[1], layercolor[2], layercolor[3]);
9941                         RSurf_DrawBatch();
9942                         break;
9943                 default:
9944                         Con_Printf("R_DrawTextureSurfaceList: unknown layer type %i\n", layer->type);
9945                 }
9946         }
9947         if (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
9948         {
9949                 GL_DepthFunc(GL_LEQUAL);
9950                 GL_AlphaTest(false);
9951         }
9952 }
9953
9954 static void R_DrawTextureSurfaceList_GL11(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth)
9955 {
9956         // OpenGL 1.1 - crusty old voodoo path
9957         qboolean applyfog;
9958         int layerindex;
9959         const texturelayer_t *layer;
9960         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | ((!rsurface.uselightmaptexture && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT)) ? BATCHNEED_ARRAY_VERTEXCOLOR : 0) | BATCHNEED_ARRAY_TEXCOORD | (rsurface.modeltexcoordlightmap2f ? BATCHNEED_ARRAY_LIGHTMAP : 0) | BATCHNEED_NOGAPS, texturenumsurfaces, texturesurfacelist);
9961         R_Mesh_VertexPointer(3, GL_FLOAT, sizeof(float[3]), rsurface.batchvertex3f, rsurface.batchvertex3f_vertexbuffer, rsurface.batchvertex3f_bufferoffset);
9962
9963         for (layerindex = 0, layer = rsurface.texture->currentlayers;layerindex < rsurface.texture->currentnumlayers;layerindex++, layer++)
9964         {
9965                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
9966                 {
9967                         if (layerindex == 0)
9968                                 GL_AlphaTest(true);
9969                         else
9970                         {
9971                                 GL_AlphaTest(false);
9972                                 GL_DepthFunc(GL_EQUAL);
9973                         }
9974                 }
9975                 GL_DepthMask(layer->depthmask && writedepth);
9976                 GL_BlendFunc(layer->blendfunc1, layer->blendfunc2);
9977                 R_Mesh_ColorPointer(4, GL_FLOAT, sizeof(float[4]), NULL, 0, 0);
9978                 applyfog = r_refdef.fogenabled && (rsurface.texture->currentmaterialflags & MATERIALFLAG_BLENDED);
9979                 switch (layer->type)
9980                 {
9981                 case TEXTURELAYERTYPE_LITTEXTURE:
9982                         if (layer->blendfunc1 == GL_ONE && layer->blendfunc2 == GL_ZERO)
9983                         {
9984                                 // two-pass lit texture with 2x rgbscale
9985                                 // first the lightmap pass
9986                                 R_Mesh_TexBind(0, r_texture_white);
9987                                 R_Mesh_TexMatrix(0, NULL);
9988                                 R_Mesh_TexCombine(0, GL_MODULATE, GL_MODULATE, 1, 1);
9989                                 R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), rsurface.batchtexcoordlightmap2f, rsurface.batchtexcoordlightmap2f_vertexbuffer, rsurface.batchtexcoordlightmap2f_bufferoffset);
9990                                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT)
9991                                         RSurf_DrawBatch_GL11_VertexShade(1, 1, 1, 1, false, false);
9992                                 else if (FAKELIGHT_ENABLED)
9993                                         RSurf_DrawBatch_GL11_FakeLight(1, 1, 1, 1, false, false);
9994                                 else if (rsurface.uselightmaptexture)
9995                                         RSurf_DrawBatch_GL11_Lightmap(1, 1, 1, 1, false, false);
9996                                 else
9997                                         RSurf_DrawBatch_GL11_VertexColor(1, 1, 1, 1, false, false);
9998                                 // then apply the texture to it
9999                                 GL_BlendFunc(GL_DST_COLOR, GL_SRC_COLOR);
10000                                 R_Mesh_TexBind(0, layer->texture);
10001                                 R_Mesh_TexMatrix(0, &layer->texmatrix);
10002                                 R_Mesh_TexCombine(0, GL_MODULATE, GL_MODULATE, 1, 1);
10003                                 R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), rsurface.batchtexcoordtexture2f, rsurface.batchtexcoordtexture2f_vertexbuffer, rsurface.batchtexcoordtexture2f_bufferoffset);
10004                                 RSurf_DrawBatch_GL11_Unlit(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);
10005                         }
10006                         else
10007                         {
10008                                 // single pass vertex-lighting-only texture with 1x rgbscale and transparency support
10009                                 R_Mesh_TexBind(0, layer->texture);
10010                                 R_Mesh_TexMatrix(0, &layer->texmatrix);
10011                                 R_Mesh_TexCombine(0, GL_MODULATE, GL_MODULATE, 1, 1);
10012                                 R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), rsurface.batchtexcoordtexture2f, rsurface.batchtexcoordtexture2f_vertexbuffer, rsurface.batchtexcoordtexture2f_bufferoffset);
10013                                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT)
10014                                         RSurf_DrawBatch_GL11_VertexShade(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);
10015                                 else
10016                                         RSurf_DrawBatch_GL11_VertexColor(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);
10017                         }
10018                         break;
10019                 case TEXTURELAYERTYPE_TEXTURE:
10020                         // singletexture unlit texture with transparency support
10021                         R_Mesh_TexBind(0, layer->texture);
10022                         R_Mesh_TexMatrix(0, &layer->texmatrix);
10023                         R_Mesh_TexCombine(0, GL_MODULATE, GL_MODULATE, 1, 1);
10024                         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), rsurface.batchtexcoordtexture2f, rsurface.batchtexcoordtexture2f_vertexbuffer, rsurface.batchtexcoordtexture2f_bufferoffset);
10025                         RSurf_DrawBatch_GL11_Unlit(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);
10026                         break;
10027                 case TEXTURELAYERTYPE_FOG:
10028                         // singletexture fogging
10029                         if (layer->texture)
10030                         {
10031                                 R_Mesh_TexBind(0, layer->texture);
10032                                 R_Mesh_TexMatrix(0, &layer->texmatrix);
10033                                 R_Mesh_TexCombine(0, GL_MODULATE, GL_MODULATE, 1, 1);
10034                                 R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), rsurface.batchtexcoordtexture2f, rsurface.batchtexcoordtexture2f_vertexbuffer, rsurface.batchtexcoordtexture2f_bufferoffset);
10035                         }
10036                         else
10037                         {
10038                                 R_Mesh_TexBind(0, 0);
10039                                 R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), NULL, 0, 0);
10040                         }
10041                         // generate a color array for the fog pass
10042                         R_Mesh_ColorPointer(4, GL_FLOAT, sizeof(float[4]), rsurface.passcolor4f, 0, 0);
10043                         RSurf_DrawBatch_GL11_MakeFogColor(layer->color[0], layer->color[1], layer->color[2], layer->color[3]);
10044                         RSurf_DrawBatch();
10045                         break;
10046                 default:
10047                         Con_Printf("R_DrawTextureSurfaceList: unknown layer type %i\n", layer->type);
10048                 }
10049         }
10050         if (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
10051         {
10052                 GL_DepthFunc(GL_LEQUAL);
10053                 GL_AlphaTest(false);
10054         }
10055 }
10056
10057 static void R_DrawTextureSurfaceList_ShowSurfaces(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth)
10058 {
10059         int vi;
10060         int j;
10061         r_vertexgeneric_t *batchvertex;
10062         float c[4];
10063
10064 //      R_Mesh_ResetTextureState();
10065         R_SetupShader_Generic_NoTexture(false, false);
10066
10067         if(rsurface.texture && rsurface.texture->currentskinframe)
10068         {
10069                 memcpy(c, rsurface.texture->currentskinframe->avgcolor, sizeof(c));
10070                 c[3] *= rsurface.texture->currentalpha;
10071         }
10072         else
10073         {
10074                 c[0] = 1;
10075                 c[1] = 0;
10076                 c[2] = 1;
10077                 c[3] = 1;
10078         }
10079
10080         if (rsurface.texture->pantstexture || rsurface.texture->shirttexture)
10081         {
10082                 c[0] = 0.5 * (rsurface.colormap_pantscolor[0] * 0.3 + rsurface.colormap_shirtcolor[0] * 0.7);
10083                 c[1] = 0.5 * (rsurface.colormap_pantscolor[1] * 0.3 + rsurface.colormap_shirtcolor[1] * 0.7);
10084                 c[2] = 0.5 * (rsurface.colormap_pantscolor[2] * 0.3 + rsurface.colormap_shirtcolor[2] * 0.7);
10085         }
10086
10087         // brighten it up (as texture value 127 means "unlit")
10088         c[0] *= 2 * r_refdef.view.colorscale;
10089         c[1] *= 2 * r_refdef.view.colorscale;
10090         c[2] *= 2 * r_refdef.view.colorscale;
10091
10092         if(rsurface.texture->currentmaterialflags & MATERIALFLAG_WATERALPHA)
10093                 c[3] *= r_wateralpha.value;
10094
10095         if(rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHA && c[3] != 1)
10096         {
10097                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
10098                 GL_DepthMask(false);
10099         }
10100         else if(rsurface.texture->currentmaterialflags & MATERIALFLAG_ADD)
10101         {
10102                 GL_BlendFunc(GL_ONE, GL_ONE);
10103                 GL_DepthMask(false);
10104         }
10105         else if(rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
10106         {
10107                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); // can't do alpha test without texture, so let's blend instead
10108                 GL_DepthMask(false);
10109         }
10110         else if(rsurface.texture->currentmaterialflags & MATERIALFLAG_CUSTOMBLEND)
10111         {
10112                 GL_BlendFunc(rsurface.texture->customblendfunc[0], rsurface.texture->customblendfunc[1]);
10113                 GL_DepthMask(false);
10114         }
10115         else
10116         {
10117                 GL_BlendFunc(GL_ONE, GL_ZERO);
10118                 GL_DepthMask(writedepth);
10119         }
10120
10121         if (r_showsurfaces.integer == 3)
10122         {
10123                 rsurface.passcolor4f = NULL;
10124
10125                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT)
10126                 {
10127                         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_NOGAPS, texturenumsurfaces, texturesurfacelist);
10128
10129                         rsurface.passcolor4f = NULL;
10130                         rsurface.passcolor4f_vertexbuffer = 0;
10131                         rsurface.passcolor4f_bufferoffset = 0;
10132                 }
10133                 else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT)
10134                 {
10135                         qboolean applycolor = true;
10136                         float one = 1.0;
10137
10138                         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_NOGAPS, texturenumsurfaces, texturesurfacelist);
10139
10140                         r_refdef.lightmapintensity = 1;
10141                         RSurf_DrawBatch_GL11_ApplyVertexShade(&one, &one, &one, &one, &applycolor);
10142                         r_refdef.lightmapintensity = 0; // we're in showsurfaces, after all
10143                 }
10144                 else if (FAKELIGHT_ENABLED)
10145                 {
10146                         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_NOGAPS, texturenumsurfaces, texturesurfacelist);
10147
10148                         r_refdef.lightmapintensity = r_fakelight_intensity.value;
10149                         RSurf_DrawBatch_GL11_ApplyFakeLight();
10150                         r_refdef.lightmapintensity = 0; // we're in showsurfaces, after all
10151                 }
10152                 else
10153                 {
10154                         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_VERTEXCOLOR | BATCHNEED_NOGAPS, texturenumsurfaces, texturesurfacelist);
10155
10156                         rsurface.passcolor4f = rsurface.batchlightmapcolor4f;
10157                         rsurface.passcolor4f_vertexbuffer = rsurface.batchlightmapcolor4f_vertexbuffer;
10158                         rsurface.passcolor4f_bufferoffset = rsurface.batchlightmapcolor4f_bufferoffset;
10159                 }
10160
10161                 if(!rsurface.passcolor4f)
10162                         RSurf_DrawBatch_GL11_MakeFullbrightLightmapColorArray();
10163
10164                 RSurf_DrawBatch_GL11_ApplyAmbient();
10165                 RSurf_DrawBatch_GL11_ApplyColor(c[0], c[1], c[2], c[3]);
10166                 if(r_refdef.fogenabled)
10167                         RSurf_DrawBatch_GL11_ApplyFogToFinishedVertexColors();
10168                 RSurf_DrawBatch_GL11_ClampColor();
10169
10170                 R_Mesh_PrepareVertices_Generic_Arrays(rsurface.batchnumvertices, rsurface.batchvertex3f, rsurface.passcolor4f, NULL);
10171                 R_SetupShader_Generic_NoTexture(false, false);
10172                 RSurf_DrawBatch();
10173         }
10174         else if (!r_refdef.view.showdebug)
10175         {
10176                 RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_NOGAPS, texturenumsurfaces, texturesurfacelist);
10177                 batchvertex = R_Mesh_PrepareVertices_Generic_Lock(rsurface.batchnumvertices);
10178                 for (j = 0, vi = rsurface.batchfirstvertex;j < rsurface.batchnumvertices;j++, vi++)
10179                 {
10180                         VectorCopy(rsurface.batchvertex3f + 3*vi, batchvertex[vi].vertex3f);
10181                         Vector4Set(batchvertex[vi].color4f, 0, 0, 0, 1);
10182                 }
10183                 R_Mesh_PrepareVertices_Generic_Unlock();
10184                 RSurf_DrawBatch();
10185         }
10186         else if (r_showsurfaces.integer == 4)
10187         {
10188                 RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_NOGAPS, texturenumsurfaces, texturesurfacelist);
10189                 batchvertex = R_Mesh_PrepareVertices_Generic_Lock(rsurface.batchnumvertices);
10190                 for (j = 0, vi = rsurface.batchfirstvertex;j < rsurface.batchnumvertices;j++, vi++)
10191                 {
10192                         unsigned char c = (vi << 3) * (1.0f / 256.0f);
10193                         VectorCopy(rsurface.batchvertex3f + 3*vi, batchvertex[vi].vertex3f);
10194                         Vector4Set(batchvertex[vi].color4f, c, c, c, 1);
10195                 }
10196                 R_Mesh_PrepareVertices_Generic_Unlock();
10197                 RSurf_DrawBatch();
10198         }
10199         else if (r_showsurfaces.integer == 2)
10200         {
10201                 const int *e;
10202                 RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_NOGAPS, texturenumsurfaces, texturesurfacelist);
10203                 batchvertex = R_Mesh_PrepareVertices_Generic_Lock(3*rsurface.batchnumtriangles);
10204                 for (j = 0, e = rsurface.batchelement3i + 3 * rsurface.batchfirsttriangle;j < rsurface.batchnumtriangles;j++, e += 3)
10205                 {
10206                         unsigned char c = ((j + rsurface.batchfirsttriangle) << 3) * (1.0f / 256.0f);
10207                         VectorCopy(rsurface.batchvertex3f + 3*e[0], batchvertex[j*3+0].vertex3f);
10208                         VectorCopy(rsurface.batchvertex3f + 3*e[1], batchvertex[j*3+1].vertex3f);
10209                         VectorCopy(rsurface.batchvertex3f + 3*e[2], batchvertex[j*3+2].vertex3f);
10210                         Vector4Set(batchvertex[j*3+0].color4f, c, c, c, 1);
10211                         Vector4Set(batchvertex[j*3+1].color4f, c, c, c, 1);
10212                         Vector4Set(batchvertex[j*3+2].color4f, c, c, c, 1);
10213                 }
10214                 R_Mesh_PrepareVertices_Generic_Unlock();
10215                 R_Mesh_Draw(0, rsurface.batchnumtriangles*3, 0, rsurface.batchnumtriangles, NULL, NULL, 0, NULL, NULL, 0);
10216         }
10217         else
10218         {
10219                 int texturesurfaceindex;
10220                 int k;
10221                 const msurface_t *surface;
10222                 float surfacecolor4f[4];
10223                 RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_NOGAPS, texturenumsurfaces, texturesurfacelist);
10224                 batchvertex = R_Mesh_PrepareVertices_Generic_Lock(rsurface.batchfirstvertex + rsurface.batchnumvertices);
10225                 vi = 0;
10226                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
10227                 {
10228                         surface = texturesurfacelist[texturesurfaceindex];
10229                         k = (int)(((size_t)surface) / sizeof(msurface_t));
10230                         Vector4Set(surfacecolor4f, (k & 0xF) * (1.0f / 16.0f), (k & 0xF0) * (1.0f / 256.0f), (k & 0xF00) * (1.0f / 4096.0f), 1);
10231                         for (j = 0;j < surface->num_vertices;j++)
10232                         {
10233                                 VectorCopy(rsurface.batchvertex3f + 3*vi, batchvertex[vi].vertex3f);
10234                                 Vector4Copy(surfacecolor4f, batchvertex[vi].color4f);
10235                                 vi++;
10236                         }
10237                 }
10238                 R_Mesh_PrepareVertices_Generic_Unlock();
10239                 RSurf_DrawBatch();
10240         }
10241 }
10242
10243 static void R_DrawWorldTextureSurfaceList(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth, qboolean prepass)
10244 {
10245         CHECKGLERROR
10246         RSurf_SetupDepthAndCulling();
10247         if (r_showsurfaces.integer)
10248         {
10249                 R_DrawTextureSurfaceList_ShowSurfaces(texturenumsurfaces, texturesurfacelist, writedepth);
10250                 return;
10251         }
10252         switch (vid.renderpath)
10253         {
10254         case RENDERPATH_GL20:
10255         case RENDERPATH_D3D9:
10256         case RENDERPATH_D3D10:
10257         case RENDERPATH_D3D11:
10258         case RENDERPATH_SOFT:
10259         case RENDERPATH_GLES2:
10260                 R_DrawTextureSurfaceList_GL20(texturenumsurfaces, texturesurfacelist, writedepth, prepass);
10261                 break;
10262         case RENDERPATH_GL13:
10263         case RENDERPATH_GLES1:
10264                 R_DrawTextureSurfaceList_GL13(texturenumsurfaces, texturesurfacelist, writedepth);
10265                 break;
10266         case RENDERPATH_GL11:
10267                 R_DrawTextureSurfaceList_GL11(texturenumsurfaces, texturesurfacelist, writedepth);
10268                 break;
10269         }
10270         CHECKGLERROR
10271 }
10272
10273 static void R_DrawModelTextureSurfaceList(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth, qboolean prepass)
10274 {
10275         CHECKGLERROR
10276         RSurf_SetupDepthAndCulling();
10277         if (r_showsurfaces.integer)
10278         {
10279                 R_DrawTextureSurfaceList_ShowSurfaces(texturenumsurfaces, texturesurfacelist, writedepth);
10280                 return;
10281         }
10282         switch (vid.renderpath)
10283         {
10284         case RENDERPATH_GL20:
10285         case RENDERPATH_D3D9:
10286         case RENDERPATH_D3D10:
10287         case RENDERPATH_D3D11:
10288         case RENDERPATH_SOFT:
10289         case RENDERPATH_GLES2:
10290                 R_DrawTextureSurfaceList_GL20(texturenumsurfaces, texturesurfacelist, writedepth, prepass);
10291                 break;
10292         case RENDERPATH_GL13:
10293         case RENDERPATH_GLES1:
10294                 R_DrawTextureSurfaceList_GL13(texturenumsurfaces, texturesurfacelist, writedepth);
10295                 break;
10296         case RENDERPATH_GL11:
10297                 R_DrawTextureSurfaceList_GL11(texturenumsurfaces, texturesurfacelist, writedepth);
10298                 break;
10299         }
10300         CHECKGLERROR
10301 }
10302
10303 static void R_DrawSurface_TransparentCallback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
10304 {
10305         int i, j;
10306         int texturenumsurfaces, endsurface;
10307         texture_t *texture;
10308         const msurface_t *surface;
10309         const msurface_t *texturesurfacelist[MESHQUEUE_TRANSPARENT_BATCHSIZE];
10310
10311         // if the model is static it doesn't matter what value we give for
10312         // wantnormals and wanttangents, so this logic uses only rules applicable
10313         // to a model, knowing that they are meaningless otherwise
10314         if (ent == r_refdef.scene.worldentity)
10315                 RSurf_ActiveWorldEntity();
10316         else if (r_showsurfaces.integer && r_showsurfaces.integer != 3)
10317                 RSurf_ActiveModelEntity(ent, false, false, false);
10318         else
10319         {
10320                 switch (vid.renderpath)
10321                 {
10322                 case RENDERPATH_GL20:
10323                 case RENDERPATH_D3D9:
10324                 case RENDERPATH_D3D10:
10325                 case RENDERPATH_D3D11:
10326                 case RENDERPATH_SOFT:
10327                 case RENDERPATH_GLES2:
10328                         RSurf_ActiveModelEntity(ent, true, true, false);
10329                         break;
10330                 case RENDERPATH_GL11:
10331                 case RENDERPATH_GL13:
10332                 case RENDERPATH_GLES1:
10333                         RSurf_ActiveModelEntity(ent, true, false, false);
10334                         break;
10335                 }
10336         }
10337
10338         if (r_transparentdepthmasking.integer)
10339         {
10340                 qboolean setup = false;
10341                 for (i = 0;i < numsurfaces;i = j)
10342                 {
10343                         j = i + 1;
10344                         surface = rsurface.modelsurfaces + surfacelist[i];
10345                         texture = surface->texture;
10346                         rsurface.texture = R_GetCurrentTexture(texture);
10347                         rsurface.lightmaptexture = NULL;
10348                         rsurface.deluxemaptexture = NULL;
10349                         rsurface.uselightmaptexture = false;
10350                         // scan ahead until we find a different texture
10351                         endsurface = min(i + 1024, numsurfaces);
10352                         texturenumsurfaces = 0;
10353                         texturesurfacelist[texturenumsurfaces++] = surface;
10354                         for (;j < endsurface;j++)
10355                         {
10356                                 surface = rsurface.modelsurfaces + surfacelist[j];
10357                                 if (texture != surface->texture)
10358                                         break;
10359                                 texturesurfacelist[texturenumsurfaces++] = surface;
10360                         }
10361                         if (!(rsurface.texture->currentmaterialflags & MATERIALFLAG_TRANSDEPTH))
10362                                 continue;
10363                         // render the range of surfaces as depth
10364                         if (!setup)
10365                         {
10366                                 setup = true;
10367                                 GL_ColorMask(0,0,0,0);
10368                                 GL_Color(1,1,1,1);
10369                                 GL_DepthTest(true);
10370                                 GL_BlendFunc(GL_ONE, GL_ZERO);
10371                                 GL_DepthMask(true);
10372 //                              R_Mesh_ResetTextureState();
10373                                 R_SetupShader_DepthOrShadow(false, false);
10374                         }
10375                         RSurf_SetupDepthAndCulling();
10376                         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX, texturenumsurfaces, texturesurfacelist);
10377                         if (rsurface.batchvertex3fbuffer)
10378                                 R_Mesh_PrepareVertices_Vertex3f(rsurface.batchnumvertices, rsurface.batchvertex3f, rsurface.batchvertex3fbuffer);
10379                         else
10380                                 R_Mesh_PrepareVertices_Vertex3f(rsurface.batchnumvertices, rsurface.batchvertex3f, rsurface.batchvertex3f_vertexbuffer);
10381                         RSurf_DrawBatch();
10382                 }
10383                 if (setup)
10384                         GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1);
10385         }
10386
10387         for (i = 0;i < numsurfaces;i = j)
10388         {
10389                 j = i + 1;
10390                 surface = rsurface.modelsurfaces + surfacelist[i];
10391                 texture = surface->texture;
10392                 rsurface.texture = R_GetCurrentTexture(texture);
10393                 // scan ahead until we find a different texture
10394                 endsurface = min(i + MESHQUEUE_TRANSPARENT_BATCHSIZE, numsurfaces);
10395                 texturenumsurfaces = 0;
10396                 texturesurfacelist[texturenumsurfaces++] = surface;
10397                 if(FAKELIGHT_ENABLED)
10398                 {
10399                         rsurface.lightmaptexture = NULL;
10400                         rsurface.deluxemaptexture = NULL;
10401                         rsurface.uselightmaptexture = false;
10402                         for (;j < endsurface;j++)
10403                         {
10404                                 surface = rsurface.modelsurfaces + surfacelist[j];
10405                                 if (texture != surface->texture)
10406                                         break;
10407                                 texturesurfacelist[texturenumsurfaces++] = surface;
10408                         }
10409                 }
10410                 else
10411                 {
10412                         rsurface.lightmaptexture = surface->lightmaptexture;
10413                         rsurface.deluxemaptexture = surface->deluxemaptexture;
10414                         rsurface.uselightmaptexture = surface->lightmaptexture != NULL;
10415                         for (;j < endsurface;j++)
10416                         {
10417                                 surface = rsurface.modelsurfaces + surfacelist[j];
10418                                 if (texture != surface->texture || rsurface.lightmaptexture != surface->lightmaptexture)
10419                                         break;
10420                                 texturesurfacelist[texturenumsurfaces++] = surface;
10421                         }
10422                 }
10423                 // render the range of surfaces
10424                 if (ent == r_refdef.scene.worldentity)
10425                         R_DrawWorldTextureSurfaceList(texturenumsurfaces, texturesurfacelist, false, false);
10426                 else
10427                         R_DrawModelTextureSurfaceList(texturenumsurfaces, texturesurfacelist, false, false);
10428         }
10429         rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
10430 }
10431
10432 static void R_ProcessTransparentTextureSurfaceList(int texturenumsurfaces, const msurface_t **texturesurfacelist)
10433 {
10434         // transparent surfaces get pushed off into the transparent queue
10435         int surfacelistindex;
10436         const msurface_t *surface;
10437         vec3_t tempcenter, center;
10438         for (surfacelistindex = 0;surfacelistindex < texturenumsurfaces;surfacelistindex++)
10439         {
10440                 surface = texturesurfacelist[surfacelistindex];
10441                 if (r_transparent_sortsurfacesbynearest.integer)
10442                 {
10443                         tempcenter[0] = bound(surface->mins[0], rsurface.localvieworigin[0], surface->maxs[0]);
10444                         tempcenter[1] = bound(surface->mins[1], rsurface.localvieworigin[1], surface->maxs[1]);
10445                         tempcenter[2] = bound(surface->mins[2], rsurface.localvieworigin[2], surface->maxs[2]);
10446                 }
10447                 else
10448                 {
10449                         tempcenter[0] = (surface->mins[0] + surface->maxs[0]) * 0.5f;
10450                         tempcenter[1] = (surface->mins[1] + surface->maxs[1]) * 0.5f;
10451                         tempcenter[2] = (surface->mins[2] + surface->maxs[2]) * 0.5f;
10452                 }
10453                 Matrix4x4_Transform(&rsurface.matrix, tempcenter, center);
10454                 if (rsurface.entity->transparent_offset) // transparent offset
10455                 {
10456                         center[0] += r_refdef.view.forward[0]*rsurface.entity->transparent_offset;
10457                         center[1] += r_refdef.view.forward[1]*rsurface.entity->transparent_offset;
10458                         center[2] += r_refdef.view.forward[2]*rsurface.entity->transparent_offset;
10459                 }
10460                 R_MeshQueue_AddTransparent((rsurface.texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST) ? MESHQUEUE_SORT_HUD : ((rsurface.entity->flags & RENDER_WORLDOBJECT) ? MESHQUEUE_SORT_SKY : MESHQUEUE_SORT_DISTANCE), center, R_DrawSurface_TransparentCallback, rsurface.entity, surface - rsurface.modelsurfaces, rsurface.rtlight);
10461         }
10462 }
10463
10464 static void R_DrawTextureSurfaceList_DepthOnly(int texturenumsurfaces, const msurface_t **texturesurfacelist)
10465 {
10466         if ((rsurface.texture->currentmaterialflags & (MATERIALFLAG_NODEPTHTEST | MATERIALFLAG_BLENDED | MATERIALFLAG_ALPHATEST)))
10467                 return;
10468         if (r_fb.water.renderingscene && (rsurface.texture->currentmaterialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFLECTION)))
10469                 return;
10470         RSurf_SetupDepthAndCulling();
10471         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX, texturenumsurfaces, texturesurfacelist);
10472         if (rsurface.batchvertex3fbuffer)
10473                 R_Mesh_PrepareVertices_Vertex3f(rsurface.batchnumvertices, rsurface.batchvertex3f, rsurface.batchvertex3fbuffer);
10474         else
10475                 R_Mesh_PrepareVertices_Vertex3f(rsurface.batchnumvertices, rsurface.batchvertex3f, rsurface.batchvertex3f_vertexbuffer);
10476         RSurf_DrawBatch();
10477 }
10478
10479 static void R_ProcessWorldTextureSurfaceList(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth, qboolean depthonly, qboolean prepass)
10480 {
10481         CHECKGLERROR
10482         if (depthonly)
10483                 R_DrawTextureSurfaceList_DepthOnly(texturenumsurfaces, texturesurfacelist);
10484         else if (prepass)
10485         {
10486                 if (!rsurface.texture->currentnumlayers)
10487                         return;
10488                 if (rsurface.texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED)
10489                         R_ProcessTransparentTextureSurfaceList(texturenumsurfaces, texturesurfacelist);
10490                 else
10491                         R_DrawWorldTextureSurfaceList(texturenumsurfaces, texturesurfacelist, writedepth, prepass);
10492         }
10493         else if ((rsurface.texture->currentmaterialflags & MATERIALFLAG_SKY) && (!r_showsurfaces.integer || r_showsurfaces.integer == 3))
10494                 R_DrawTextureSurfaceList_Sky(texturenumsurfaces, texturesurfacelist);
10495         else if (!rsurface.texture->currentnumlayers)
10496                 return;
10497         else if (((rsurface.texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED) || (r_showsurfaces.integer == 3 && (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST))))
10498         {
10499                 // in the deferred case, transparent surfaces were queued during prepass
10500                 if (!r_shadow_usingdeferredprepass)
10501                         R_ProcessTransparentTextureSurfaceList(texturenumsurfaces, texturesurfacelist);
10502         }
10503         else
10504         {
10505                 // the alphatest check is to make sure we write depth for anything we skipped on the depth-only pass earlier
10506                 R_DrawWorldTextureSurfaceList(texturenumsurfaces, texturesurfacelist, writedepth || (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST), prepass);
10507         }
10508         CHECKGLERROR
10509 }
10510
10511 static void R_QueueWorldSurfaceList(int numsurfaces, const msurface_t **surfacelist, int flagsmask, qboolean writedepth, qboolean depthonly, qboolean prepass)
10512 {
10513         int i, j;
10514         texture_t *texture;
10515         R_FrameData_SetMark();
10516         // break the surface list down into batches by texture and use of lightmapping
10517         for (i = 0;i < numsurfaces;i = j)
10518         {
10519                 j = i + 1;
10520                 // texture is the base texture pointer, rsurface.texture is the
10521                 // current frame/skin the texture is directing us to use (for example
10522                 // if a model has 2 skins and it is on skin 1, then skin 0 tells us to
10523                 // use skin 1 instead)
10524                 texture = surfacelist[i]->texture;
10525                 rsurface.texture = R_GetCurrentTexture(texture);
10526                 if (!(rsurface.texture->currentmaterialflags & flagsmask) || (rsurface.texture->currentmaterialflags & MATERIALFLAG_NODRAW))
10527                 {
10528                         // if this texture is not the kind we want, skip ahead to the next one
10529                         for (;j < numsurfaces && texture == surfacelist[j]->texture;j++)
10530                                 ;
10531                         continue;
10532                 }
10533                 if(FAKELIGHT_ENABLED || depthonly || prepass)
10534                 {
10535                         rsurface.lightmaptexture = NULL;
10536                         rsurface.deluxemaptexture = NULL;
10537                         rsurface.uselightmaptexture = false;
10538                         // simply scan ahead until we find a different texture or lightmap state
10539                         for (;j < numsurfaces && texture == surfacelist[j]->texture;j++)
10540                                 ;
10541                 }
10542                 else
10543                 {
10544                         rsurface.lightmaptexture = surfacelist[i]->lightmaptexture;
10545                         rsurface.deluxemaptexture = surfacelist[i]->deluxemaptexture;
10546                         rsurface.uselightmaptexture = surfacelist[i]->lightmaptexture != NULL;
10547                         // simply scan ahead until we find a different texture or lightmap state
10548                         for (;j < numsurfaces && texture == surfacelist[j]->texture && rsurface.lightmaptexture == surfacelist[j]->lightmaptexture;j++)
10549                                 ;
10550                 }
10551                 // render the range of surfaces
10552                 R_ProcessWorldTextureSurfaceList(j - i, surfacelist + i, writedepth, depthonly, prepass);
10553         }
10554         R_FrameData_ReturnToMark();
10555 }
10556
10557 static void R_ProcessModelTextureSurfaceList(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth, qboolean depthonly, qboolean prepass)
10558 {
10559         CHECKGLERROR
10560         if (depthonly)
10561                 R_DrawTextureSurfaceList_DepthOnly(texturenumsurfaces, texturesurfacelist);
10562         else if (prepass)
10563         {
10564                 if (!rsurface.texture->currentnumlayers)
10565                         return;
10566                 if (rsurface.texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED)
10567                         R_ProcessTransparentTextureSurfaceList(texturenumsurfaces, texturesurfacelist);
10568                 else
10569                         R_DrawModelTextureSurfaceList(texturenumsurfaces, texturesurfacelist, writedepth, prepass);
10570         }
10571         else if ((rsurface.texture->currentmaterialflags & MATERIALFLAG_SKY) && (!r_showsurfaces.integer || r_showsurfaces.integer == 3))
10572                 R_DrawTextureSurfaceList_Sky(texturenumsurfaces, texturesurfacelist);
10573         else if (!rsurface.texture->currentnumlayers)
10574                 return;
10575         else if (((rsurface.texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED) || (r_showsurfaces.integer == 3 && (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST))))
10576         {
10577                 // in the deferred case, transparent surfaces were queued during prepass
10578                 if (!r_shadow_usingdeferredprepass)
10579                         R_ProcessTransparentTextureSurfaceList(texturenumsurfaces, texturesurfacelist);
10580         }
10581         else
10582         {
10583                 // the alphatest check is to make sure we write depth for anything we skipped on the depth-only pass earlier
10584                 R_DrawModelTextureSurfaceList(texturenumsurfaces, texturesurfacelist, writedepth || (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST), prepass);
10585         }
10586         CHECKGLERROR
10587 }
10588
10589 static void R_QueueModelSurfaceList(entity_render_t *ent, int numsurfaces, const msurface_t **surfacelist, int flagsmask, qboolean writedepth, qboolean depthonly, qboolean prepass)
10590 {
10591         int i, j;
10592         texture_t *texture;
10593         R_FrameData_SetMark();
10594         // break the surface list down into batches by texture and use of lightmapping
10595         for (i = 0;i < numsurfaces;i = j)
10596         {
10597                 j = i + 1;
10598                 // texture is the base texture pointer, rsurface.texture is the
10599                 // current frame/skin the texture is directing us to use (for example
10600                 // if a model has 2 skins and it is on skin 1, then skin 0 tells us to
10601                 // use skin 1 instead)
10602                 texture = surfacelist[i]->texture;
10603                 rsurface.texture = R_GetCurrentTexture(texture);
10604                 if (!(rsurface.texture->currentmaterialflags & flagsmask) || (rsurface.texture->currentmaterialflags & MATERIALFLAG_NODRAW))
10605                 {
10606                         // if this texture is not the kind we want, skip ahead to the next one
10607                         for (;j < numsurfaces && texture == surfacelist[j]->texture;j++)
10608                                 ;
10609                         continue;
10610                 }
10611                 if(FAKELIGHT_ENABLED || depthonly || prepass)
10612                 {
10613                         rsurface.lightmaptexture = NULL;
10614                         rsurface.deluxemaptexture = NULL;
10615                         rsurface.uselightmaptexture = false;
10616                         // simply scan ahead until we find a different texture or lightmap state
10617                         for (;j < numsurfaces && texture == surfacelist[j]->texture;j++)
10618                                 ;
10619                 }
10620                 else
10621                 {
10622                         rsurface.lightmaptexture = surfacelist[i]->lightmaptexture;
10623                         rsurface.deluxemaptexture = surfacelist[i]->deluxemaptexture;
10624                         rsurface.uselightmaptexture = surfacelist[i]->lightmaptexture != NULL;
10625                         // simply scan ahead until we find a different texture or lightmap state
10626                         for (;j < numsurfaces && texture == surfacelist[j]->texture && rsurface.lightmaptexture == surfacelist[j]->lightmaptexture;j++)
10627                                 ;
10628                 }
10629                 // render the range of surfaces
10630                 R_ProcessModelTextureSurfaceList(j - i, surfacelist + i, writedepth, depthonly, prepass);
10631         }
10632         R_FrameData_ReturnToMark();
10633 }
10634
10635 float locboxvertex3f[6*4*3] =
10636 {
10637         1,0,1, 1,0,0, 1,1,0, 1,1,1,
10638         0,1,1, 0,1,0, 0,0,0, 0,0,1,
10639         1,1,1, 1,1,0, 0,1,0, 0,1,1,
10640         0,0,1, 0,0,0, 1,0,0, 1,0,1,
10641         0,0,1, 1,0,1, 1,1,1, 0,1,1,
10642         1,0,0, 0,0,0, 0,1,0, 1,1,0
10643 };
10644
10645 unsigned short locboxelements[6*2*3] =
10646 {
10647          0, 1, 2, 0, 2, 3,
10648          4, 5, 6, 4, 6, 7,
10649          8, 9,10, 8,10,11,
10650         12,13,14, 12,14,15,
10651         16,17,18, 16,18,19,
10652         20,21,22, 20,22,23
10653 };
10654
10655 static void R_DrawLoc_Callback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
10656 {
10657         int i, j;
10658         cl_locnode_t *loc = (cl_locnode_t *)ent;
10659         vec3_t mins, size;
10660         float vertex3f[6*4*3];
10661         CHECKGLERROR
10662         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
10663         GL_DepthMask(false);
10664         GL_DepthRange(0, 1);
10665         GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
10666         GL_DepthTest(true);
10667         GL_CullFace(GL_NONE);
10668         R_EntityMatrix(&identitymatrix);
10669
10670 //      R_Mesh_ResetTextureState();
10671
10672         i = surfacelist[0];
10673         GL_Color(((i & 0x0007) >> 0) * (1.0f / 7.0f) * r_refdef.view.colorscale,
10674                          ((i & 0x0038) >> 3) * (1.0f / 7.0f) * r_refdef.view.colorscale,
10675                          ((i & 0x01C0) >> 6) * (1.0f / 7.0f) * r_refdef.view.colorscale,
10676                         surfacelist[0] < 0 ? 0.5f : 0.125f);
10677
10678         if (VectorCompare(loc->mins, loc->maxs))
10679         {
10680                 VectorSet(size, 2, 2, 2);
10681                 VectorMA(loc->mins, -0.5f, size, mins);
10682         }
10683         else
10684         {
10685                 VectorCopy(loc->mins, mins);
10686                 VectorSubtract(loc->maxs, loc->mins, size);
10687         }
10688
10689         for (i = 0;i < 6*4*3;)
10690                 for (j = 0;j < 3;j++, i++)
10691                         vertex3f[i] = mins[j] + size[j] * locboxvertex3f[i];
10692
10693         R_Mesh_PrepareVertices_Generic_Arrays(6*4, vertex3f, NULL, NULL);
10694         R_SetupShader_Generic_NoTexture(false, false);
10695         R_Mesh_Draw(0, 6*4, 0, 6*2, NULL, NULL, 0, locboxelements, NULL, 0);
10696 }
10697
10698 void R_DrawLocs(void)
10699 {
10700         int index;
10701         cl_locnode_t *loc, *nearestloc;
10702         vec3_t center;
10703         nearestloc = CL_Locs_FindNearest(cl.movement_origin);
10704         for (loc = cl.locnodes, index = 0;loc;loc = loc->next, index++)
10705         {
10706                 VectorLerp(loc->mins, 0.5f, loc->maxs, center);
10707                 R_MeshQueue_AddTransparent(MESHQUEUE_SORT_DISTANCE, center, R_DrawLoc_Callback, (entity_render_t *)loc, loc == nearestloc ? -1 : index, NULL);
10708         }
10709 }
10710
10711 void R_DecalSystem_Reset(decalsystem_t *decalsystem)
10712 {
10713         if (decalsystem->decals)
10714                 Mem_Free(decalsystem->decals);
10715         memset(decalsystem, 0, sizeof(*decalsystem));
10716 }
10717
10718 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)
10719 {
10720         tridecal_t *decal;
10721         tridecal_t *decals;
10722         int i;
10723
10724         // expand or initialize the system
10725         if (decalsystem->maxdecals <= decalsystem->numdecals)
10726         {
10727                 decalsystem_t old = *decalsystem;
10728                 qboolean useshortelements;
10729                 decalsystem->maxdecals = max(16, decalsystem->maxdecals * 2);
10730                 useshortelements = decalsystem->maxdecals * 3 <= 65536;
10731                 decalsystem->decals = (tridecal_t *)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)));
10732                 decalsystem->color4f = (float *)(decalsystem->decals + decalsystem->maxdecals);
10733                 decalsystem->texcoord2f = (float *)(decalsystem->color4f + decalsystem->maxdecals*12);
10734                 decalsystem->vertex3f = (float *)(decalsystem->texcoord2f + decalsystem->maxdecals*6);
10735                 decalsystem->element3i = (int *)(decalsystem->vertex3f + decalsystem->maxdecals*9);
10736                 decalsystem->element3s = (useshortelements ? ((unsigned short *)(decalsystem->element3i + decalsystem->maxdecals*3)) : NULL);
10737                 if (decalsystem->numdecals)
10738                         memcpy(decalsystem->decals, old.decals, decalsystem->numdecals * sizeof(tridecal_t));
10739                 if (old.decals)
10740                         Mem_Free(old.decals);
10741                 for (i = 0;i < decalsystem->maxdecals*3;i++)
10742                         decalsystem->element3i[i] = i;
10743                 if (useshortelements)
10744                         for (i = 0;i < decalsystem->maxdecals*3;i++)
10745                                 decalsystem->element3s[i] = i;
10746         }
10747
10748         // grab a decal and search for another free slot for the next one
10749         decals = decalsystem->decals;
10750         decal = decalsystem->decals + (i = decalsystem->freedecal++);
10751         for (i = decalsystem->freedecal;i < decalsystem->numdecals && decals[i].color4f[0][3];i++)
10752                 ;
10753         decalsystem->freedecal = i;
10754         if (decalsystem->numdecals <= i)
10755                 decalsystem->numdecals = i + 1;
10756
10757         // initialize the decal
10758         decal->lived = 0;
10759         decal->triangleindex = triangleindex;
10760         decal->surfaceindex = surfaceindex;
10761         decal->decalsequence = decalsequence;
10762         decal->color4f[0][0] = c0[0];
10763         decal->color4f[0][1] = c0[1];
10764         decal->color4f[0][2] = c0[2];
10765         decal->color4f[0][3] = 1;
10766         decal->color4f[1][0] = c1[0];
10767         decal->color4f[1][1] = c1[1];
10768         decal->color4f[1][2] = c1[2];
10769         decal->color4f[1][3] = 1;
10770         decal->color4f[2][0] = c2[0];
10771         decal->color4f[2][1] = c2[1];
10772         decal->color4f[2][2] = c2[2];
10773         decal->color4f[2][3] = 1;
10774         decal->vertex3f[0][0] = v0[0];
10775         decal->vertex3f[0][1] = v0[1];
10776         decal->vertex3f[0][2] = v0[2];
10777         decal->vertex3f[1][0] = v1[0];
10778         decal->vertex3f[1][1] = v1[1];
10779         decal->vertex3f[1][2] = v1[2];
10780         decal->vertex3f[2][0] = v2[0];
10781         decal->vertex3f[2][1] = v2[1];
10782         decal->vertex3f[2][2] = v2[2];
10783         decal->texcoord2f[0][0] = t0[0];
10784         decal->texcoord2f[0][1] = t0[1];
10785         decal->texcoord2f[1][0] = t1[0];
10786         decal->texcoord2f[1][1] = t1[1];
10787         decal->texcoord2f[2][0] = t2[0];
10788         decal->texcoord2f[2][1] = t2[1];
10789         TriangleNormal(v0, v1, v2, decal->plane);
10790         VectorNormalize(decal->plane);
10791         decal->plane[3] = DotProduct(v0, decal->plane);
10792 }
10793
10794 extern cvar_t cl_decals_bias;
10795 extern cvar_t cl_decals_models;
10796 extern cvar_t cl_decals_newsystem_intensitymultiplier;
10797 // baseparms, parms, temps
10798 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)
10799 {
10800         int cornerindex;
10801         int index;
10802         float v[9][3];
10803         const float *vertex3f;
10804         const float *normal3f;
10805         int numpoints;
10806         float points[2][9][3];
10807         float temp[3];
10808         float tc[9][2];
10809         float f;
10810         float c[9][4];
10811         const int *e;
10812
10813         e = rsurface.modelelement3i + 3*triangleindex;
10814
10815         vertex3f = rsurface.modelvertex3f;
10816         normal3f = rsurface.modelnormal3f;
10817
10818         if (normal3f)
10819         {
10820                 for (cornerindex = 0;cornerindex < 3;cornerindex++)
10821                 {
10822                         index = 3*e[cornerindex];
10823                         VectorMA(vertex3f + index, cl_decals_bias.value, normal3f + index, v[cornerindex]);
10824                 }
10825         }
10826         else
10827         {
10828                 for (cornerindex = 0;cornerindex < 3;cornerindex++)
10829                 {
10830                         index = 3*e[cornerindex];
10831                         VectorCopy(vertex3f + index, v[cornerindex]);
10832                 }
10833         }
10834
10835         // cull backfaces
10836         //TriangleNormal(v[0], v[1], v[2], normal);
10837         //if (DotProduct(normal, localnormal) < 0.0f)
10838         //      continue;
10839         // clip by each of the box planes formed from the projection matrix
10840         // if anything survives, we emit the decal
10841         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]);
10842         if (numpoints < 3)
10843                 return;
10844         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]);
10845         if (numpoints < 3)
10846                 return;
10847         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]);
10848         if (numpoints < 3)
10849                 return;
10850         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]);
10851         if (numpoints < 3)
10852                 return;
10853         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]);
10854         if (numpoints < 3)
10855                 return;
10856         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]);
10857         if (numpoints < 3)
10858                 return;
10859         // some part of the triangle survived, so we have to accept it...
10860         if (dynamic)
10861         {
10862                 // dynamic always uses the original triangle
10863                 numpoints = 3;
10864                 for (cornerindex = 0;cornerindex < 3;cornerindex++)
10865                 {
10866                         index = 3*e[cornerindex];
10867                         VectorCopy(vertex3f + index, v[cornerindex]);
10868                 }
10869         }
10870         for (cornerindex = 0;cornerindex < numpoints;cornerindex++)
10871         {
10872                 // convert vertex positions to texcoords
10873                 Matrix4x4_Transform(projection, v[cornerindex], temp);
10874                 tc[cornerindex][0] = (temp[1]+1.0f)*0.5f * (s2-s1) + s1;
10875                 tc[cornerindex][1] = (temp[2]+1.0f)*0.5f * (t2-t1) + t1;
10876                 // calculate distance fade from the projection origin
10877                 f = a * (1.0f-fabs(temp[0])) * cl_decals_newsystem_intensitymultiplier.value;
10878                 f = bound(0.0f, f, 1.0f);
10879                 c[cornerindex][0] = r * f;
10880                 c[cornerindex][1] = g * f;
10881                 c[cornerindex][2] = b * f;
10882                 c[cornerindex][3] = 1.0f;
10883                 //VectorMA(v[cornerindex], cl_decals_bias.value, localnormal, v[cornerindex]);
10884         }
10885         if (dynamic)
10886                 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);
10887         else
10888                 for (cornerindex = 0;cornerindex < numpoints-2;cornerindex++)
10889                         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);
10890 }
10891 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)
10892 {
10893         matrix4x4_t projection;
10894         decalsystem_t *decalsystem;
10895         qboolean dynamic;
10896         dp_model_t *model;
10897         const msurface_t *surface;
10898         const msurface_t *surfaces;
10899         const int *surfacelist;
10900         const texture_t *texture;
10901         int numtriangles;
10902         int numsurfacelist;
10903         int surfacelistindex;
10904         int surfaceindex;
10905         int triangleindex;
10906         float localorigin[3];
10907         float localnormal[3];
10908         float localmins[3];
10909         float localmaxs[3];
10910         float localsize;
10911         //float normal[3];
10912         float planes[6][4];
10913         float angles[3];
10914         bih_t *bih;
10915         int bih_triangles_count;
10916         int bih_triangles[256];
10917         int bih_surfaces[256];
10918
10919         decalsystem = &ent->decalsystem;
10920         model = ent->model;
10921         if (!model || !ent->allowdecals || ent->alpha < 1 || (ent->flags & (RENDER_ADDITIVE | RENDER_NODEPTHTEST)))
10922         {
10923                 R_DecalSystem_Reset(&ent->decalsystem);
10924                 return;
10925         }
10926
10927         if (!model->brush.data_leafs && !cl_decals_models.integer)
10928         {
10929                 if (decalsystem->model)
10930                         R_DecalSystem_Reset(decalsystem);
10931                 return;
10932         }
10933
10934         if (decalsystem->model != model)
10935                 R_DecalSystem_Reset(decalsystem);
10936         decalsystem->model = model;
10937
10938         RSurf_ActiveModelEntity(ent, true, false, false);
10939
10940         Matrix4x4_Transform(&rsurface.inversematrix, worldorigin, localorigin);
10941         Matrix4x4_Transform3x3(&rsurface.inversematrix, worldnormal, localnormal);
10942         VectorNormalize(localnormal);
10943         localsize = worldsize*rsurface.inversematrixscale;
10944         localmins[0] = localorigin[0] - localsize;
10945         localmins[1] = localorigin[1] - localsize;
10946         localmins[2] = localorigin[2] - localsize;
10947         localmaxs[0] = localorigin[0] + localsize;
10948         localmaxs[1] = localorigin[1] + localsize;
10949         localmaxs[2] = localorigin[2] + localsize;
10950
10951         //VectorCopy(localnormal, planes[4]);
10952         //VectorVectors(planes[4], planes[2], planes[0]);
10953         AnglesFromVectors(angles, localnormal, NULL, false);
10954         AngleVectors(angles, planes[0], planes[2], planes[4]);
10955         VectorNegate(planes[0], planes[1]);
10956         VectorNegate(planes[2], planes[3]);
10957         VectorNegate(planes[4], planes[5]);
10958         planes[0][3] = DotProduct(planes[0], localorigin) - localsize;
10959         planes[1][3] = DotProduct(planes[1], localorigin) - localsize;
10960         planes[2][3] = DotProduct(planes[2], localorigin) - localsize;
10961         planes[3][3] = DotProduct(planes[3], localorigin) - localsize;
10962         planes[4][3] = DotProduct(planes[4], localorigin) - localsize;
10963         planes[5][3] = DotProduct(planes[5], localorigin) - localsize;
10964
10965 #if 1
10966 // works
10967 {
10968         matrix4x4_t forwardprojection;
10969         Matrix4x4_CreateFromQuakeEntity(&forwardprojection, localorigin[0], localorigin[1], localorigin[2], angles[0], angles[1], angles[2], localsize);
10970         Matrix4x4_Invert_Simple(&projection, &forwardprojection);
10971 }
10972 #else
10973 // broken
10974 {
10975         float projectionvector[4][3];
10976         VectorScale(planes[0], ilocalsize, projectionvector[0]);
10977         VectorScale(planes[2], ilocalsize, projectionvector[1]);
10978         VectorScale(planes[4], ilocalsize, projectionvector[2]);
10979         projectionvector[0][0] = planes[0][0] * ilocalsize;
10980         projectionvector[0][1] = planes[1][0] * ilocalsize;
10981         projectionvector[0][2] = planes[2][0] * ilocalsize;
10982         projectionvector[1][0] = planes[0][1] * ilocalsize;
10983         projectionvector[1][1] = planes[1][1] * ilocalsize;
10984         projectionvector[1][2] = planes[2][1] * ilocalsize;
10985         projectionvector[2][0] = planes[0][2] * ilocalsize;
10986         projectionvector[2][1] = planes[1][2] * ilocalsize;
10987         projectionvector[2][2] = planes[2][2] * ilocalsize;
10988         projectionvector[3][0] = -(localorigin[0]*projectionvector[0][0]+localorigin[1]*projectionvector[1][0]+localorigin[2]*projectionvector[2][0]);
10989         projectionvector[3][1] = -(localorigin[0]*projectionvector[0][1]+localorigin[1]*projectionvector[1][1]+localorigin[2]*projectionvector[2][1]);
10990         projectionvector[3][2] = -(localorigin[0]*projectionvector[0][2]+localorigin[1]*projectionvector[1][2]+localorigin[2]*projectionvector[2][2]);
10991         Matrix4x4_FromVectors(&projection, projectionvector[0], projectionvector[1], projectionvector[2], projectionvector[3]);
10992 }
10993 #endif
10994
10995         dynamic = model->surfmesh.isanimated;
10996         numsurfacelist = model->nummodelsurfaces;
10997         surfacelist = model->sortedmodelsurfaces;
10998         surfaces = model->data_surfaces;
10999
11000         bih = NULL;
11001         bih_triangles_count = -1;
11002         if(!dynamic)
11003         {
11004                 if(model->render_bih.numleafs)
11005                         bih = &model->render_bih;
11006                 else if(model->collision_bih.numleafs)
11007                         bih = &model->collision_bih;
11008         }
11009         if(bih)
11010                 bih_triangles_count = BIH_GetTriangleListForBox(bih, sizeof(bih_triangles) / sizeof(*bih_triangles), bih_triangles, bih_surfaces, localmins, localmaxs);
11011         if(bih_triangles_count == 0)
11012                 return;
11013         if(bih_triangles_count > (int) (sizeof(bih_triangles) / sizeof(*bih_triangles))) // hit too many, likely bad anyway
11014                 return;
11015         if(bih_triangles_count > 0)
11016         {
11017                 for (triangleindex = 0; triangleindex < bih_triangles_count; ++triangleindex)
11018                 {
11019                         surfaceindex = bih_surfaces[triangleindex];
11020                         surface = surfaces + surfaceindex;
11021                         texture = surface->texture;
11022                         if (texture->currentmaterialflags & (MATERIALFLAG_BLENDED | MATERIALFLAG_NODEPTHTEST | MATERIALFLAG_SKY | MATERIALFLAG_SHORTDEPTHRANGE | MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION))
11023                                 continue;
11024                         if (texture->surfaceflags & Q3SURFACEFLAG_NOMARKS)
11025                                 continue;
11026                         R_DecalSystem_SplatTriangle(decalsystem, r, g, b, a, s1, t1, s2, t2, decalsequence, dynamic, planes, &projection, bih_triangles[triangleindex], surfaceindex);
11027                 }
11028         }
11029         else
11030         {
11031                 for (surfacelistindex = 0;surfacelistindex < numsurfacelist;surfacelistindex++)
11032                 {
11033                         surfaceindex = surfacelist[surfacelistindex];
11034                         surface = surfaces + surfaceindex;
11035                         // check cull box first because it rejects more than any other check
11036                         if (!dynamic && !BoxesOverlap(surface->mins, surface->maxs, localmins, localmaxs))
11037                                 continue;
11038                         // skip transparent surfaces
11039                         texture = surface->texture;
11040                         if (texture->currentmaterialflags & (MATERIALFLAG_BLENDED | MATERIALFLAG_NODEPTHTEST | MATERIALFLAG_SKY | MATERIALFLAG_SHORTDEPTHRANGE | MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION))
11041                                 continue;
11042                         if (texture->surfaceflags & Q3SURFACEFLAG_NOMARKS)
11043                                 continue;
11044                         numtriangles = surface->num_triangles;
11045                         for (triangleindex = 0; triangleindex < numtriangles; triangleindex++)
11046                                 R_DecalSystem_SplatTriangle(decalsystem, r, g, b, a, s1, t1, s2, t2, decalsequence, dynamic, planes, &projection, triangleindex + surface->num_firsttriangle, surfaceindex);
11047                 }
11048         }
11049 }
11050
11051 // do not call this outside of rendering code - use R_DecalSystem_SplatEntities instead
11052 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)
11053 {
11054         int renderentityindex;
11055         float worldmins[3];
11056         float worldmaxs[3];
11057         entity_render_t *ent;
11058
11059         if (!cl_decals_newsystem.integer)
11060                 return;
11061
11062         worldmins[0] = worldorigin[0] - worldsize;
11063         worldmins[1] = worldorigin[1] - worldsize;
11064         worldmins[2] = worldorigin[2] - worldsize;
11065         worldmaxs[0] = worldorigin[0] + worldsize;
11066         worldmaxs[1] = worldorigin[1] + worldsize;
11067         worldmaxs[2] = worldorigin[2] + worldsize;
11068
11069         R_DecalSystem_SplatEntity(r_refdef.scene.worldentity, worldorigin, worldnormal, r, g, b, a, s1, t1, s2, t2, worldsize, decalsequence);
11070
11071         for (renderentityindex = 0;renderentityindex < r_refdef.scene.numentities;renderentityindex++)
11072         {
11073                 ent = r_refdef.scene.entities[renderentityindex];
11074                 if (!BoxesOverlap(ent->mins, ent->maxs, worldmins, worldmaxs))
11075                         continue;
11076
11077                 R_DecalSystem_SplatEntity(ent, worldorigin, worldnormal, r, g, b, a, s1, t1, s2, t2, worldsize, decalsequence);
11078         }
11079 }
11080
11081 typedef struct r_decalsystem_splatqueue_s
11082 {
11083         vec3_t worldorigin;
11084         vec3_t worldnormal;
11085         float color[4];
11086         float tcrange[4];
11087         float worldsize;
11088         int decalsequence;
11089 }
11090 r_decalsystem_splatqueue_t;
11091
11092 int r_decalsystem_numqueued = 0;
11093 r_decalsystem_splatqueue_t r_decalsystem_queue[MAX_DECALSYSTEM_QUEUE];
11094
11095 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)
11096 {
11097         r_decalsystem_splatqueue_t *queue;
11098
11099         if (!cl_decals_newsystem.integer || r_decalsystem_numqueued == MAX_DECALSYSTEM_QUEUE)
11100                 return;
11101
11102         queue = &r_decalsystem_queue[r_decalsystem_numqueued++];
11103         VectorCopy(worldorigin, queue->worldorigin);
11104         VectorCopy(worldnormal, queue->worldnormal);
11105         Vector4Set(queue->color, r, g, b, a);
11106         Vector4Set(queue->tcrange, s1, t1, s2, t2);
11107         queue->worldsize = worldsize;
11108         queue->decalsequence = cl.decalsequence++;
11109 }
11110
11111 static void R_DecalSystem_ApplySplatEntitiesQueue(void)
11112 {
11113         int i;
11114         r_decalsystem_splatqueue_t *queue;
11115
11116         for (i = 0, queue = r_decalsystem_queue;i < r_decalsystem_numqueued;i++, queue++)
11117                 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);
11118         r_decalsystem_numqueued = 0;
11119 }
11120
11121 extern cvar_t cl_decals_max;
11122 static void R_DrawModelDecals_FadeEntity(entity_render_t *ent)
11123 {
11124         int i;
11125         decalsystem_t *decalsystem = &ent->decalsystem;
11126         int numdecals;
11127         int killsequence;
11128         tridecal_t *decal;
11129         float frametime;
11130         float lifetime;
11131
11132         if (!decalsystem->numdecals)
11133                 return;
11134
11135         if (r_showsurfaces.integer)
11136                 return;
11137
11138         if (ent->model != decalsystem->model || ent->alpha < 1 || (ent->flags & RENDER_ADDITIVE))
11139         {
11140                 R_DecalSystem_Reset(decalsystem);
11141                 return;
11142         }
11143
11144         killsequence = cl.decalsequence - max(1, cl_decals_max.integer);
11145         lifetime = cl_decals_time.value + cl_decals_fadetime.value;
11146
11147         if (decalsystem->lastupdatetime)
11148                 frametime = (r_refdef.scene.time - decalsystem->lastupdatetime);
11149         else
11150                 frametime = 0;
11151         decalsystem->lastupdatetime = r_refdef.scene.time;
11152         decal = decalsystem->decals;
11153         numdecals = decalsystem->numdecals;
11154
11155         for (i = 0, decal = decalsystem->decals;i < numdecals;i++, decal++)
11156         {
11157                 if (decal->color4f[0][3])
11158                 {
11159                         decal->lived += frametime;
11160                         if (killsequence - decal->decalsequence > 0 || decal->lived >= lifetime)
11161                         {
11162                                 memset(decal, 0, sizeof(*decal));
11163                                 if (decalsystem->freedecal > i)
11164                                         decalsystem->freedecal = i;
11165                         }
11166                 }
11167         }
11168         decal = decalsystem->decals;
11169         while (numdecals > 0 && !decal[numdecals-1].color4f[0][3])
11170                 numdecals--;
11171
11172         // collapse the array by shuffling the tail decals into the gaps
11173         for (;;)
11174         {
11175                 while (decalsystem->freedecal < numdecals && decal[decalsystem->freedecal].color4f[0][3])
11176                         decalsystem->freedecal++;
11177                 if (decalsystem->freedecal == numdecals)
11178                         break;
11179                 decal[decalsystem->freedecal] = decal[--numdecals];
11180         }
11181
11182         decalsystem->numdecals = numdecals;
11183
11184         if (numdecals <= 0)
11185         {
11186                 // if there are no decals left, reset decalsystem
11187                 R_DecalSystem_Reset(decalsystem);
11188         }
11189 }
11190
11191 extern skinframe_t *decalskinframe;
11192 static void R_DrawModelDecals_Entity(entity_render_t *ent)
11193 {
11194         int i;
11195         decalsystem_t *decalsystem = &ent->decalsystem;
11196         int numdecals;
11197         tridecal_t *decal;
11198         float faderate;
11199         float alpha;
11200         float *v3f;
11201         float *c4f;
11202         float *t2f;
11203         const int *e;
11204         const unsigned char *surfacevisible = ent == r_refdef.scene.worldentity ? r_refdef.viewcache.world_surfacevisible : NULL;
11205         int numtris = 0;
11206
11207         numdecals = decalsystem->numdecals;
11208         if (!numdecals)
11209                 return;
11210
11211         if (r_showsurfaces.integer)
11212                 return;
11213
11214         if (ent->model != decalsystem->model || ent->alpha < 1 || (ent->flags & RENDER_ADDITIVE))
11215         {
11216                 R_DecalSystem_Reset(decalsystem);
11217                 return;
11218         }
11219
11220         // if the model is static it doesn't matter what value we give for
11221         // wantnormals and wanttangents, so this logic uses only rules applicable
11222         // to a model, knowing that they are meaningless otherwise
11223         if (ent == r_refdef.scene.worldentity)
11224                 RSurf_ActiveWorldEntity();
11225         else
11226                 RSurf_ActiveModelEntity(ent, false, false, false);
11227
11228         decalsystem->lastupdatetime = r_refdef.scene.time;
11229         decal = decalsystem->decals;
11230
11231         faderate = 1.0f / max(0.001f, cl_decals_fadetime.value);
11232
11233         // update vertex positions for animated models
11234         v3f = decalsystem->vertex3f;
11235         c4f = decalsystem->color4f;
11236         t2f = decalsystem->texcoord2f;
11237         for (i = 0, decal = decalsystem->decals;i < numdecals;i++, decal++)
11238         {
11239                 if (!decal->color4f[0][3])
11240                         continue;
11241
11242                 if (surfacevisible && !surfacevisible[decal->surfaceindex])
11243                         continue;
11244
11245                 // skip backfaces
11246                 if (decal->triangleindex < 0 && DotProduct(r_refdef.view.origin, decal->plane) < decal->plane[3])
11247                         continue;
11248
11249                 // update color values for fading decals
11250                 if (decal->lived >= cl_decals_time.value)
11251                         alpha = 1 - faderate * (decal->lived - cl_decals_time.value);
11252                 else
11253                         alpha = 1.0f;
11254
11255                 c4f[ 0] = decal->color4f[0][0] * alpha;
11256                 c4f[ 1] = decal->color4f[0][1] * alpha;
11257                 c4f[ 2] = decal->color4f[0][2] * alpha;
11258                 c4f[ 3] = 1;
11259                 c4f[ 4] = decal->color4f[1][0] * alpha;
11260                 c4f[ 5] = decal->color4f[1][1] * alpha;
11261                 c4f[ 6] = decal->color4f[1][2] * alpha;
11262                 c4f[ 7] = 1;
11263                 c4f[ 8] = decal->color4f[2][0] * alpha;
11264                 c4f[ 9] = decal->color4f[2][1] * alpha;
11265                 c4f[10] = decal->color4f[2][2] * alpha;
11266                 c4f[11] = 1;
11267
11268                 t2f[0] = decal->texcoord2f[0][0];
11269                 t2f[1] = decal->texcoord2f[0][1];
11270                 t2f[2] = decal->texcoord2f[1][0];
11271                 t2f[3] = decal->texcoord2f[1][1];
11272                 t2f[4] = decal->texcoord2f[2][0];
11273                 t2f[5] = decal->texcoord2f[2][1];
11274
11275                 // update vertex positions for animated models
11276                 if (decal->triangleindex >= 0 && decal->triangleindex < rsurface.modelnumtriangles)
11277                 {
11278                         e = rsurface.modelelement3i + 3*decal->triangleindex;
11279                         VectorCopy(rsurface.modelvertex3f + 3*e[0], v3f);
11280                         VectorCopy(rsurface.modelvertex3f + 3*e[1], v3f + 3);
11281                         VectorCopy(rsurface.modelvertex3f + 3*e[2], v3f + 6);
11282                 }
11283                 else
11284                 {
11285                         VectorCopy(decal->vertex3f[0], v3f);
11286                         VectorCopy(decal->vertex3f[1], v3f + 3);
11287                         VectorCopy(decal->vertex3f[2], v3f + 6);
11288                 }
11289
11290                 if (r_refdef.fogenabled)
11291                 {
11292                         alpha = RSurf_FogVertex(v3f);
11293                         VectorScale(c4f, alpha, c4f);
11294                         alpha = RSurf_FogVertex(v3f + 3);
11295                         VectorScale(c4f + 4, alpha, c4f + 4);
11296                         alpha = RSurf_FogVertex(v3f + 6);
11297                         VectorScale(c4f + 8, alpha, c4f + 8);
11298                 }
11299
11300                 v3f += 9;
11301                 c4f += 12;
11302                 t2f += 6;
11303                 numtris++;
11304         }
11305
11306         if (numtris > 0)
11307         {
11308                 r_refdef.stats.drawndecals += numtris;
11309
11310                 // now render the decals all at once
11311                 // (this assumes they all use one particle font texture!)
11312                 RSurf_ActiveCustomEntity(&rsurface.matrix, &rsurface.inversematrix, rsurface.ent_flags, ent->shadertime, 1, 1, 1, 1, numdecals*3, decalsystem->vertex3f, decalsystem->texcoord2f, NULL, NULL, NULL, decalsystem->color4f, numtris, decalsystem->element3i, decalsystem->element3s, false, false);
11313 //              R_Mesh_ResetTextureState();
11314                 R_Mesh_PrepareVertices_Generic_Arrays(numtris * 3, decalsystem->vertex3f, decalsystem->color4f, decalsystem->texcoord2f);
11315                 GL_DepthMask(false);
11316                 GL_DepthRange(0, 1);
11317                 GL_PolygonOffset(rsurface.basepolygonfactor + r_polygonoffset_decals_factor.value, rsurface.basepolygonoffset + r_polygonoffset_decals_offset.value);
11318                 GL_DepthTest(true);
11319                 GL_CullFace(GL_NONE);
11320                 GL_BlendFunc(GL_ZERO, GL_ONE_MINUS_SRC_COLOR);
11321                 R_SetupShader_Generic(decalskinframe->base, NULL, GL_MODULATE, 1, false, false, false);
11322                 R_Mesh_Draw(0, numtris * 3, 0, numtris, decalsystem->element3i, NULL, 0, decalsystem->element3s, NULL, 0);
11323         }
11324 }
11325
11326 static void R_DrawModelDecals(void)
11327 {
11328         int i, numdecals;
11329
11330         // fade faster when there are too many decals
11331         numdecals = r_refdef.scene.worldentity->decalsystem.numdecals;
11332         for (i = 0;i < r_refdef.scene.numentities;i++)
11333                 numdecals += r_refdef.scene.entities[i]->decalsystem.numdecals;
11334
11335         R_DrawModelDecals_FadeEntity(r_refdef.scene.worldentity);
11336         for (i = 0;i < r_refdef.scene.numentities;i++)
11337                 if (r_refdef.scene.entities[i]->decalsystem.numdecals)
11338                         R_DrawModelDecals_FadeEntity(r_refdef.scene.entities[i]);
11339
11340         R_DecalSystem_ApplySplatEntitiesQueue();
11341
11342         numdecals = r_refdef.scene.worldentity->decalsystem.numdecals;
11343         for (i = 0;i < r_refdef.scene.numentities;i++)
11344                 numdecals += r_refdef.scene.entities[i]->decalsystem.numdecals;
11345
11346         r_refdef.stats.totaldecals += numdecals;
11347
11348         if (r_showsurfaces.integer)
11349                 return;
11350
11351         R_DrawModelDecals_Entity(r_refdef.scene.worldentity);
11352
11353         for (i = 0;i < r_refdef.scene.numentities;i++)
11354         {
11355                 if (!r_refdef.viewcache.entityvisible[i])
11356                         continue;
11357                 if (r_refdef.scene.entities[i]->decalsystem.numdecals)
11358                         R_DrawModelDecals_Entity(r_refdef.scene.entities[i]);
11359         }
11360 }
11361
11362 extern cvar_t mod_collision_bih;
11363 static void R_DrawDebugModel(void)
11364 {
11365         entity_render_t *ent = rsurface.entity;
11366         int i, j, k, l, flagsmask;
11367         const msurface_t *surface;
11368         dp_model_t *model = ent->model;
11369         vec3_t v;
11370
11371         if (!sv.active  && !cls.demoplayback && ent != r_refdef.scene.worldentity)
11372                 return;
11373
11374         if (r_showoverdraw.value > 0)
11375         {
11376                 float c = r_refdef.view.colorscale * r_showoverdraw.value * 0.125f;
11377                 flagsmask = MATERIALFLAG_SKY | MATERIALFLAG_WALL;
11378                 R_SetupShader_Generic_NoTexture(false, false);
11379                 GL_DepthTest(false);
11380                 GL_DepthMask(false);
11381                 GL_DepthRange(0, 1);
11382                 GL_BlendFunc(GL_ONE, GL_ONE);
11383                 for (i = 0, j = model->firstmodelsurface, surface = model->data_surfaces + j;i < model->nummodelsurfaces;i++, j++, surface++)
11384                 {
11385                         if (ent == r_refdef.scene.worldentity && !r_refdef.viewcache.world_surfacevisible[j])
11386                                 continue;
11387                         rsurface.texture = R_GetCurrentTexture(surface->texture);
11388                         if ((rsurface.texture->currentmaterialflags & flagsmask) && surface->num_triangles)
11389                         {
11390                                 RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_NOGAPS, 1, &surface);
11391                                 GL_CullFace((rsurface.texture->currentmaterialflags & MATERIALFLAG_NOCULLFACE) ? GL_NONE : r_refdef.view.cullface_back);
11392                                 if (!rsurface.texture->currentlayers->depthmask)
11393                                         GL_Color(c, 0, 0, 1.0f);
11394                                 else if (ent == r_refdef.scene.worldentity)
11395                                         GL_Color(c, c, c, 1.0f);
11396                                 else
11397                                         GL_Color(0, c, 0, 1.0f);
11398                                 R_Mesh_PrepareVertices_Generic_Arrays(rsurface.batchnumvertices, rsurface.batchvertex3f, NULL, NULL);
11399                                 RSurf_DrawBatch();
11400                         }
11401                 }
11402                 rsurface.texture = NULL;
11403         }
11404
11405         flagsmask = MATERIALFLAG_SKY | MATERIALFLAG_WALL;
11406
11407 //      R_Mesh_ResetTextureState();
11408         R_SetupShader_Generic_NoTexture(false, false);
11409         GL_DepthRange(0, 1);
11410         GL_DepthTest(!r_showdisabledepthtest.integer);
11411         GL_DepthMask(false);
11412         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
11413
11414         if (r_showcollisionbrushes.value > 0 && model->collision_bih.numleafs)
11415         {
11416                 int triangleindex;
11417                 int bihleafindex;
11418                 qboolean cullbox = ent == r_refdef.scene.worldentity;
11419                 const q3mbrush_t *brush;
11420                 const bih_t *bih = &model->collision_bih;
11421                 const bih_leaf_t *bihleaf;
11422                 float vertex3f[3][3];
11423                 GL_PolygonOffset(r_refdef.polygonfactor + r_showcollisionbrushes_polygonfactor.value, r_refdef.polygonoffset + r_showcollisionbrushes_polygonoffset.value);
11424                 cullbox = false;
11425                 for (bihleafindex = 0, bihleaf = bih->leafs;bihleafindex < bih->numleafs;bihleafindex++, bihleaf++)
11426                 {
11427                         if (cullbox && R_CullBox(bihleaf->mins, bihleaf->maxs))
11428                                 continue;
11429                         switch (bihleaf->type)
11430                         {
11431                         case BIH_BRUSH:
11432                                 brush = model->brush.data_brushes + bihleaf->itemindex;
11433                                 if (brush->colbrushf && brush->colbrushf->numtriangles)
11434                                 {
11435                                         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);
11436                                         R_Mesh_PrepareVertices_Generic_Arrays(brush->colbrushf->numpoints, brush->colbrushf->points->v, NULL, NULL);
11437                                         R_Mesh_Draw(0, brush->colbrushf->numpoints, 0, brush->colbrushf->numtriangles, brush->colbrushf->elements, NULL, 0, NULL, NULL, 0);
11438                                 }
11439                                 break;
11440                         case BIH_COLLISIONTRIANGLE:
11441                                 triangleindex = bihleaf->itemindex;
11442                                 VectorCopy(model->brush.data_collisionvertex3f + 3*model->brush.data_collisionelement3i[triangleindex*3+0], vertex3f[0]);
11443                                 VectorCopy(model->brush.data_collisionvertex3f + 3*model->brush.data_collisionelement3i[triangleindex*3+1], vertex3f[1]);
11444                                 VectorCopy(model->brush.data_collisionvertex3f + 3*model->brush.data_collisionelement3i[triangleindex*3+2], vertex3f[2]);
11445                                 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);
11446                                 R_Mesh_PrepareVertices_Generic_Arrays(3, vertex3f[0], NULL, NULL);
11447                                 R_Mesh_Draw(0, 3, 0, 1, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
11448                                 break;
11449                         case BIH_RENDERTRIANGLE:
11450                                 triangleindex = bihleaf->itemindex;
11451                                 VectorCopy(model->surfmesh.data_vertex3f + 3*model->surfmesh.data_element3i[triangleindex*3+0], vertex3f[0]);
11452                                 VectorCopy(model->surfmesh.data_vertex3f + 3*model->surfmesh.data_element3i[triangleindex*3+1], vertex3f[1]);
11453                                 VectorCopy(model->surfmesh.data_vertex3f + 3*model->surfmesh.data_element3i[triangleindex*3+2], vertex3f[2]);
11454                                 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);
11455                                 R_Mesh_PrepareVertices_Generic_Arrays(3, vertex3f[0], NULL, NULL);
11456                                 R_Mesh_Draw(0, 3, 0, 1, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
11457                                 break;
11458                         }
11459                 }
11460         }
11461
11462         GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
11463
11464 #ifndef USE_GLES2
11465         if (r_showtris.integer && qglPolygonMode)
11466         {
11467                 if (r_showdisabledepthtest.integer)
11468                 {
11469                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
11470                         GL_DepthMask(false);
11471                 }
11472                 else
11473                 {
11474                         GL_BlendFunc(GL_ONE, GL_ZERO);
11475                         GL_DepthMask(true);
11476                 }
11477                 qglPolygonMode(GL_FRONT_AND_BACK, GL_LINE);CHECKGLERROR
11478                 for (i = 0, j = model->firstmodelsurface, surface = model->data_surfaces + j;i < model->nummodelsurfaces;i++, j++, surface++)
11479                 {
11480                         if (ent == r_refdef.scene.worldentity && !r_refdef.viewcache.world_surfacevisible[j])
11481                                 continue;
11482                         rsurface.texture = R_GetCurrentTexture(surface->texture);
11483                         if ((rsurface.texture->currentmaterialflags & flagsmask) && surface->num_triangles)
11484                         {
11485                                 RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_VECTOR | BATCHNEED_NOGAPS, 1, &surface);
11486                                 if (!rsurface.texture->currentlayers->depthmask)
11487                                         GL_Color(r_refdef.view.colorscale, 0, 0, r_showtris.value);
11488                                 else if (ent == r_refdef.scene.worldentity)
11489                                         GL_Color(r_refdef.view.colorscale, r_refdef.view.colorscale, r_refdef.view.colorscale, r_showtris.value);
11490                                 else
11491                                         GL_Color(0, r_refdef.view.colorscale, 0, r_showtris.value);
11492                                 R_Mesh_PrepareVertices_Generic_Arrays(rsurface.batchnumvertices, rsurface.batchvertex3f, NULL, NULL);
11493                                 RSurf_DrawBatch();
11494                         }
11495                 }
11496                 qglPolygonMode(GL_FRONT_AND_BACK, GL_FILL);CHECKGLERROR
11497                 rsurface.texture = NULL;
11498         }
11499
11500         if (r_shownormals.value != 0 && qglBegin)
11501         {
11502                 if (r_showdisabledepthtest.integer)
11503                 {
11504                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
11505                         GL_DepthMask(false);
11506                 }
11507                 else
11508                 {
11509                         GL_BlendFunc(GL_ONE, GL_ZERO);
11510                         GL_DepthMask(true);
11511                 }
11512                 for (i = 0, j = model->firstmodelsurface, surface = model->data_surfaces + j;i < model->nummodelsurfaces;i++, j++, surface++)
11513                 {
11514                         if (ent == r_refdef.scene.worldentity && !r_refdef.viewcache.world_surfacevisible[j])
11515                                 continue;
11516                         rsurface.texture = R_GetCurrentTexture(surface->texture);
11517                         if ((rsurface.texture->currentmaterialflags & flagsmask) && surface->num_triangles)
11518                         {
11519                                 RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_VECTOR | BATCHNEED_NOGAPS, 1, &surface);
11520                                 qglBegin(GL_LINES);
11521                                 if (r_shownormals.value < 0 && rsurface.batchnormal3f)
11522                                 {
11523                                         for (k = 0, l = rsurface.batchfirstvertex;k < rsurface.batchnumvertices;k++, l++)
11524                                         {
11525                                                 VectorCopy(rsurface.batchvertex3f + l * 3, v);
11526                                                 GL_Color(0, 0, r_refdef.view.colorscale, 1);
11527                                                 qglVertex3f(v[0], v[1], v[2]);
11528                                                 VectorMA(v, -r_shownormals.value, rsurface.batchnormal3f + l * 3, v);
11529                                                 GL_Color(r_refdef.view.colorscale, r_refdef.view.colorscale, r_refdef.view.colorscale, 1);
11530                                                 qglVertex3f(v[0], v[1], v[2]);
11531                                         }
11532                                 }
11533                                 if (r_shownormals.value > 0 && rsurface.batchsvector3f)
11534                                 {
11535                                         for (k = 0, l = rsurface.batchfirstvertex;k < rsurface.batchnumvertices;k++, l++)
11536                                         {
11537                                                 VectorCopy(rsurface.batchvertex3f + l * 3, v);
11538                                                 GL_Color(r_refdef.view.colorscale, 0, 0, 1);
11539                                                 qglVertex3f(v[0], v[1], v[2]);
11540                                                 VectorMA(v, r_shownormals.value, rsurface.batchsvector3f + l * 3, v);
11541                                                 GL_Color(r_refdef.view.colorscale, r_refdef.view.colorscale, r_refdef.view.colorscale, 1);
11542                                                 qglVertex3f(v[0], v[1], v[2]);
11543                                         }
11544                                 }
11545                                 if (r_shownormals.value > 0 && rsurface.batchtvector3f)
11546                                 {
11547                                         for (k = 0, l = rsurface.batchfirstvertex;k < rsurface.batchnumvertices;k++, l++)
11548                                         {
11549                                                 VectorCopy(rsurface.batchvertex3f + l * 3, v);
11550                                                 GL_Color(0, r_refdef.view.colorscale, 0, 1);
11551                                                 qglVertex3f(v[0], v[1], v[2]);
11552                                                 VectorMA(v, r_shownormals.value, rsurface.batchtvector3f + l * 3, v);
11553                                                 GL_Color(r_refdef.view.colorscale, r_refdef.view.colorscale, r_refdef.view.colorscale, 1);
11554                                                 qglVertex3f(v[0], v[1], v[2]);
11555                                         }
11556                                 }
11557                                 if (r_shownormals.value > 0 && rsurface.batchnormal3f)
11558                                 {
11559                                         for (k = 0, l = rsurface.batchfirstvertex;k < rsurface.batchnumvertices;k++, l++)
11560                                         {
11561                                                 VectorCopy(rsurface.batchvertex3f + l * 3, v);
11562                                                 GL_Color(0, 0, r_refdef.view.colorscale, 1);
11563                                                 qglVertex3f(v[0], v[1], v[2]);
11564                                                 VectorMA(v, r_shownormals.value, rsurface.batchnormal3f + l * 3, v);
11565                                                 GL_Color(r_refdef.view.colorscale, r_refdef.view.colorscale, r_refdef.view.colorscale, 1);
11566                                                 qglVertex3f(v[0], v[1], v[2]);
11567                                         }
11568                                 }
11569                                 qglEnd();
11570                                 CHECKGLERROR
11571                         }
11572                 }
11573                 rsurface.texture = NULL;
11574         }
11575 #endif
11576 }
11577
11578 int r_maxsurfacelist = 0;
11579 const msurface_t **r_surfacelist = NULL;
11580 void R_DrawWorldSurfaces(qboolean skysurfaces, qboolean writedepth, qboolean depthonly, qboolean debug, qboolean prepass)
11581 {
11582         int i, j, endj, flagsmask;
11583         dp_model_t *model = r_refdef.scene.worldmodel;
11584         msurface_t *surfaces;
11585         unsigned char *update;
11586         int numsurfacelist = 0;
11587         if (model == NULL)
11588                 return;
11589
11590         if (r_maxsurfacelist < model->num_surfaces)
11591         {
11592                 r_maxsurfacelist = model->num_surfaces;
11593                 if (r_surfacelist)
11594                         Mem_Free((msurface_t**)r_surfacelist);
11595                 r_surfacelist = (const msurface_t **) Mem_Alloc(r_main_mempool, r_maxsurfacelist * sizeof(*r_surfacelist));
11596         }
11597
11598         RSurf_ActiveWorldEntity();
11599
11600         surfaces = model->data_surfaces;
11601         update = model->brushq1.lightmapupdateflags;
11602
11603         // update light styles on this submodel
11604         if (!skysurfaces && !depthonly && !prepass && model->brushq1.num_lightstyles && r_refdef.lightmapintensity > 0)
11605         {
11606                 model_brush_lightstyleinfo_t *style;
11607                 for (i = 0, style = model->brushq1.data_lightstyleinfo;i < model->brushq1.num_lightstyles;i++, style++)
11608                 {
11609                         if (style->value != r_refdef.scene.lightstylevalue[style->style])
11610                         {
11611                                 int *list = style->surfacelist;
11612                                 style->value = r_refdef.scene.lightstylevalue[style->style];
11613                                 for (j = 0;j < style->numsurfaces;j++)
11614                                         update[list[j]] = true;
11615                         }
11616                 }
11617         }
11618
11619         flagsmask = skysurfaces ? MATERIALFLAG_SKY : MATERIALFLAG_WALL;
11620
11621         if (debug)
11622         {
11623                 R_DrawDebugModel();
11624                 rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
11625                 return;
11626         }
11627
11628         rsurface.lightmaptexture = NULL;
11629         rsurface.deluxemaptexture = NULL;
11630         rsurface.uselightmaptexture = false;
11631         rsurface.texture = NULL;
11632         rsurface.rtlight = NULL;
11633         numsurfacelist = 0;
11634         // add visible surfaces to draw list
11635         for (i = 0;i < model->nummodelsurfaces;i++)
11636         {
11637                 j = model->sortedmodelsurfaces[i];
11638                 if (r_refdef.viewcache.world_surfacevisible[j])
11639                         r_surfacelist[numsurfacelist++] = surfaces + j;
11640         }
11641         // update lightmaps if needed
11642         if (model->brushq1.firstrender)
11643         {
11644                 model->brushq1.firstrender = false;
11645                 for (j = model->firstmodelsurface, endj = model->firstmodelsurface + model->nummodelsurfaces;j < endj;j++)
11646                         if (update[j])
11647                                 R_BuildLightMap(r_refdef.scene.worldentity, surfaces + j);
11648         }
11649         else if (update)
11650         {
11651                 for (j = model->firstmodelsurface, endj = model->firstmodelsurface + model->nummodelsurfaces;j < endj;j++)
11652                         if (r_refdef.viewcache.world_surfacevisible[j])
11653                                 if (update[j])
11654                                         R_BuildLightMap(r_refdef.scene.worldentity, surfaces + j);
11655         }
11656         // don't do anything if there were no surfaces
11657         if (!numsurfacelist)
11658         {
11659                 rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
11660                 return;
11661         }
11662         R_QueueWorldSurfaceList(numsurfacelist, r_surfacelist, flagsmask, writedepth, depthonly, prepass);
11663
11664         // add to stats if desired
11665         if (r_speeds.integer && !skysurfaces && !depthonly)
11666         {
11667                 r_refdef.stats.world_surfaces += numsurfacelist;
11668                 for (j = 0;j < numsurfacelist;j++)
11669                         r_refdef.stats.world_triangles += r_surfacelist[j]->num_triangles;
11670         }
11671
11672         rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
11673 }
11674
11675 void R_DrawModelSurfaces(entity_render_t *ent, qboolean skysurfaces, qboolean writedepth, qboolean depthonly, qboolean debug, qboolean prepass)
11676 {
11677         int i, j, endj, flagsmask;
11678         dp_model_t *model = ent->model;
11679         msurface_t *surfaces;
11680         unsigned char *update;
11681         int numsurfacelist = 0;
11682         if (model == NULL)
11683                 return;
11684
11685         if (r_maxsurfacelist < model->num_surfaces)
11686         {
11687                 r_maxsurfacelist = model->num_surfaces;
11688                 if (r_surfacelist)
11689                         Mem_Free((msurface_t **)r_surfacelist);
11690                 r_surfacelist = (const msurface_t **) Mem_Alloc(r_main_mempool, r_maxsurfacelist * sizeof(*r_surfacelist));
11691         }
11692
11693         // if the model is static it doesn't matter what value we give for
11694         // wantnormals and wanttangents, so this logic uses only rules applicable
11695         // to a model, knowing that they are meaningless otherwise
11696         if (ent == r_refdef.scene.worldentity)
11697                 RSurf_ActiveWorldEntity();
11698         else if (r_showsurfaces.integer && r_showsurfaces.integer != 3)
11699                 RSurf_ActiveModelEntity(ent, false, false, false);
11700         else if (prepass)
11701                 RSurf_ActiveModelEntity(ent, true, true, true);
11702         else if (depthonly)
11703         {
11704                 switch (vid.renderpath)
11705                 {
11706                 case RENDERPATH_GL20:
11707                 case RENDERPATH_D3D9:
11708                 case RENDERPATH_D3D10:
11709                 case RENDERPATH_D3D11:
11710                 case RENDERPATH_SOFT:
11711                 case RENDERPATH_GLES2:
11712                         RSurf_ActiveModelEntity(ent, model->wantnormals, model->wanttangents, false);
11713                         break;
11714                 case RENDERPATH_GL11:
11715                 case RENDERPATH_GL13:
11716                 case RENDERPATH_GLES1:
11717                         RSurf_ActiveModelEntity(ent, model->wantnormals, false, false);
11718                         break;
11719                 }
11720         }
11721         else
11722         {
11723                 switch (vid.renderpath)
11724                 {
11725                 case RENDERPATH_GL20:
11726                 case RENDERPATH_D3D9:
11727                 case RENDERPATH_D3D10:
11728                 case RENDERPATH_D3D11:
11729                 case RENDERPATH_SOFT:
11730                 case RENDERPATH_GLES2:
11731                         RSurf_ActiveModelEntity(ent, true, true, false);
11732                         break;
11733                 case RENDERPATH_GL11:
11734                 case RENDERPATH_GL13:
11735                 case RENDERPATH_GLES1:
11736                         RSurf_ActiveModelEntity(ent, true, false, false);
11737                         break;
11738                 }
11739         }
11740
11741         surfaces = model->data_surfaces;
11742         update = model->brushq1.lightmapupdateflags;
11743
11744         // update light styles
11745         if (!skysurfaces && !depthonly && !prepass && model->brushq1.num_lightstyles && r_refdef.lightmapintensity > 0)
11746         {
11747                 model_brush_lightstyleinfo_t *style;
11748                 for (i = 0, style = model->brushq1.data_lightstyleinfo;i < model->brushq1.num_lightstyles;i++, style++)
11749                 {
11750                         if (style->value != r_refdef.scene.lightstylevalue[style->style])
11751                         {
11752                                 int *list = style->surfacelist;
11753                                 style->value = r_refdef.scene.lightstylevalue[style->style];
11754                                 for (j = 0;j < style->numsurfaces;j++)
11755                                         update[list[j]] = true;
11756                         }
11757                 }
11758         }
11759
11760         flagsmask = skysurfaces ? MATERIALFLAG_SKY : MATERIALFLAG_WALL;
11761
11762         if (debug)
11763         {
11764                 R_DrawDebugModel();
11765                 rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
11766                 return;
11767         }
11768
11769         rsurface.lightmaptexture = NULL;
11770         rsurface.deluxemaptexture = NULL;
11771         rsurface.uselightmaptexture = false;
11772         rsurface.texture = NULL;
11773         rsurface.rtlight = NULL;
11774         numsurfacelist = 0;
11775         // add visible surfaces to draw list
11776         for (i = 0;i < model->nummodelsurfaces;i++)
11777                 r_surfacelist[numsurfacelist++] = surfaces + model->sortedmodelsurfaces[i];
11778         // don't do anything if there were no surfaces
11779         if (!numsurfacelist)
11780         {
11781                 rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
11782                 return;
11783         }
11784         // update lightmaps if needed
11785         if (update)
11786         {
11787                 int updated = 0;
11788                 for (j = model->firstmodelsurface, endj = model->firstmodelsurface + model->nummodelsurfaces;j < endj;j++)
11789                 {
11790                         if (update[j])
11791                         {
11792                                 updated++;
11793                                 R_BuildLightMap(ent, surfaces + j);
11794                         }
11795                 }
11796         }
11797         if (update)
11798                 for (j = model->firstmodelsurface, endj = model->firstmodelsurface + model->nummodelsurfaces;j < endj;j++)
11799                         if (update[j])
11800                                 R_BuildLightMap(ent, surfaces + j);
11801         R_QueueModelSurfaceList(ent, numsurfacelist, r_surfacelist, flagsmask, writedepth, depthonly, prepass);
11802
11803         // add to stats if desired
11804         if (r_speeds.integer && !skysurfaces && !depthonly)
11805         {
11806                 r_refdef.stats.entities_surfaces += numsurfacelist;
11807                 for (j = 0;j < numsurfacelist;j++)
11808                         r_refdef.stats.entities_triangles += r_surfacelist[j]->num_triangles;
11809         }
11810
11811         rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
11812 }
11813
11814 void R_DrawCustomSurface(skinframe_t *skinframe, const matrix4x4_t *texmatrix, int materialflags, int firstvertex, int numvertices, int firsttriangle, int numtriangles, qboolean writedepth, qboolean prepass)
11815 {
11816         static texture_t texture;
11817         static msurface_t surface;
11818         const msurface_t *surfacelist = &surface;
11819
11820         // fake enough texture and surface state to render this geometry
11821
11822         texture.update_lastrenderframe = -1; // regenerate this texture
11823         texture.basematerialflags = materialflags | MATERIALFLAG_CUSTOMSURFACE | MATERIALFLAG_WALL;
11824         texture.currentskinframe = skinframe;
11825         texture.currenttexmatrix = *texmatrix; // requires MATERIALFLAG_CUSTOMSURFACE
11826         texture.offsetmapping = OFFSETMAPPING_OFF;
11827         texture.offsetscale = 1;
11828         texture.specularscalemod = 1;
11829         texture.specularpowermod = 1;
11830
11831         surface.texture = &texture;
11832         surface.num_triangles = numtriangles;
11833         surface.num_firsttriangle = firsttriangle;
11834         surface.num_vertices = numvertices;
11835         surface.num_firstvertex = firstvertex;
11836
11837         // now render it
11838         rsurface.texture = R_GetCurrentTexture(surface.texture);
11839         rsurface.lightmaptexture = NULL;
11840         rsurface.deluxemaptexture = NULL;
11841         rsurface.uselightmaptexture = false;
11842         R_DrawModelTextureSurfaceList(1, &surfacelist, writedepth, prepass);
11843 }
11844
11845 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)
11846 {
11847         static msurface_t surface;
11848         const msurface_t *surfacelist = &surface;
11849
11850         // fake enough texture and surface state to render this geometry
11851         surface.texture = texture;
11852         surface.num_triangles = numtriangles;
11853         surface.num_firsttriangle = firsttriangle;
11854         surface.num_vertices = numvertices;
11855         surface.num_firstvertex = firstvertex;
11856
11857         // now render it
11858         rsurface.texture = R_GetCurrentTexture(surface.texture);
11859         rsurface.lightmaptexture = NULL;
11860         rsurface.deluxemaptexture = NULL;
11861         rsurface.uselightmaptexture = false;
11862         R_DrawModelTextureSurfaceList(1, &surfacelist, writedepth, prepass);
11863 }