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 "r_shadow.h"
  24 #include "polygon.h"
  25 #include "image.h"
  26 #include "ft2.h"
  27 #include "csprogs.h"
  28 #include "cl_video.h"
  29 #include "cl_collision.h"
  30
  31 #ifdef WIN32
  32 // Enable NVIDIA High Performance Graphics while using Integrated Graphics.
  33 #ifdef __cplusplus
  34 extern "C" {
  35 #endif
  36 __declspec(dllexport) DWORD NvOptimusEnablement = 0x00000001;
  37 #ifdef __cplusplus
  38 }
  39 #endif
  40 #endif
  41
  42 mempool_t *r_main_mempool;
  43 rtexturepool_t *r_main_texturepool;
  44
  45 int r_textureframe = 0; ///< used only by R_GetCurrentTexture, incremented per view and per UI render
  46
  47 static qbool r_loadnormalmap;
  48 static qbool r_loadgloss;
  49 qbool r_loadfog;
  50 static qbool r_loaddds;
  51 static qbool r_savedds;
  52 static qbool r_gpuskeletal;
  53
  54 //
  55 // screen size info
  56 //
  57 r_refdef_t r_refdef;
  58
  59 cvar_t r_motionblur = {CF_CLIENT | CF_ARCHIVE, "r_motionblur", "0", "screen motionblur - value represents intensity, somewhere around 0.5 recommended - NOTE: bad performance on multi-gpu!"};
  60 cvar_t r_damageblur = {CF_CLIENT | CF_ARCHIVE, "r_damageblur", "0", "screen motionblur based on damage - value represents intensity, somewhere around 0.5 recommended - NOTE: bad performance on multi-gpu!"};
  61 cvar_t r_motionblur_averaging = {CF_CLIENT | CF_ARCHIVE, "r_motionblur_averaging", "0.1", "sliding average reaction time for velocity (higher = slower adaption to change)"};
  62 cvar_t r_motionblur_randomize = {CF_CLIENT | CF_ARCHIVE, "r_motionblur_randomize", "0.1", "randomizing coefficient to workaround ghosting"};
  63 cvar_t r_motionblur_minblur = {CF_CLIENT | CF_ARCHIVE, "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)"};
  64 cvar_t r_motionblur_maxblur = {CF_CLIENT | CF_ARCHIVE, "r_motionblur_maxblur", "0.9", "maxmimum amount of blur"};
  65 cvar_t r_motionblur_velocityfactor = {CF_CLIENT | CF_ARCHIVE, "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"};
  66 cvar_t r_motionblur_velocityfactor_minspeed = {CF_CLIENT | CF_ARCHIVE, "r_motionblur_velocityfactor_minspeed", "400", "lower value of velocity when it starts to factor into blur equation"};
  67 cvar_t r_motionblur_velocityfactor_maxspeed = {CF_CLIENT | CF_ARCHIVE, "r_motionblur_velocityfactor_maxspeed", "800", "upper value of velocity when it reaches the peak factor into blur equation"};
  68 cvar_t r_motionblur_mousefactor = {CF_CLIENT | CF_ARCHIVE, "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"};
  69 cvar_t r_motionblur_mousefactor_minspeed = {CF_CLIENT | CF_ARCHIVE, "r_motionblur_mousefactor_minspeed", "0", "lower value of mouse acceleration when it starts to factor into blur equation"};
  70 cvar_t r_motionblur_mousefactor_maxspeed = {CF_CLIENT | CF_ARCHIVE, "r_motionblur_mousefactor_maxspeed", "50", "upper value of mouse acceleration when it reaches the peak factor into blur equation"};
  71
  72 cvar_t r_depthfirst = {CF_CLIENT | CF_ARCHIVE, "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 = {CF_CLIENT | CF_ARCHIVE, "r_useinfinitefarclip", "1", "enables use of a special kind of projection matrix that has an extremely large farclip"};
  74 cvar_t r_farclip_base = {CF_CLIENT, "r_farclip_base", "65536", "farclip (furthest visible distance) for rendering when r_useinfinitefarclip is 0"};
  75 cvar_t r_farclip_world = {CF_CLIENT, "r_farclip_world", "2", "adds map size to farclip multiplied by this value"};
  76 cvar_t r_nearclip = {CF_CLIENT, "r_nearclip", "1", "distance from camera of nearclip plane" };
  77 cvar_t r_deformvertexes = {CF_CLIENT, "r_deformvertexes", "1", "allows use of deformvertexes in shader files (can be turned off to check performance impact)"};
  78 cvar_t r_transparent = {CF_CLIENT, "r_transparent", "1", "allows use of transparent surfaces (can be turned off to check performance impact)"};
  79 cvar_t r_transparent_alphatocoverage = {CF_CLIENT, "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 = {CF_CLIENT, "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 = {CF_CLIENT, "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 = {CF_CLIENT, "r_showoverdraw", "0", "shows overlapping geometry"};
  83 cvar_t r_showbboxes = {CF_CLIENT, "r_showbboxes", "0", "shows bounding boxes of server entities, value controls opacity scaling (1 = 10%,  10 = 100%)"};
  84 cvar_t r_showbboxes_client = {CF_CLIENT, "r_showbboxes_client", "0", "shows bounding boxes of clientside qc entities, value controls opacity scaling (1 = 10%,  10 = 100%)"};
  85 cvar_t r_showsurfaces = {CF_CLIENT, "r_showsurfaces", "0", "1 shows surfaces as different colors, or a value of 3 shows an approximation to vertex or object color (for a very approximate view of the game)"};
  86 cvar_t r_showtris = {CF_CLIENT, "r_showtris", "0", "shows triangle outlines, value controls brightness (can be above 1)"};
  87 cvar_t r_shownormals = {CF_CLIENT, "r_shownormals", "0", "shows per-vertex surface normals and tangent vectors for bumpmapped lighting"};
  88 cvar_t r_showlighting = {CF_CLIENT, "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"};
  89 cvar_t r_showcollisionbrushes = {CF_CLIENT, "r_showcollisionbrushes", "0", "draws collision brushes in quake3 maps (mode 1), mode 2 disables rendering of world (trippy!)"};
  90 cvar_t r_showcollisionbrushes_polygonfactor = {CF_CLIENT, "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 = {CF_CLIENT, "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 = {CF_CLIENT, "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_showspriteedges = {CF_CLIENT, "r_showspriteedges", "0", "renders a debug outline to show the polygon shape of each sprite frame rendered (may be 2 or more in case of interpolated animations), for debugging rendering bugs with specific view types"};
  94 cvar_t r_showparticleedges = {CF_CLIENT, "r_showparticleedges", "0", "renders a debug outline to show the polygon shape of each particle, for debugging rendering bugs with specific view types"};
  95 cvar_t r_drawportals = {CF_CLIENT, "r_drawportals", "0", "shows portals (separating polygons) in world interior in quake1 maps"};
  96 cvar_t r_drawentities = {CF_CLIENT, "r_drawentities","1", "draw entities (doors, players, projectiles, etc)"};
  97 cvar_t r_draw2d = {CF_CLIENT, "r_draw2d","1", "draw 2D stuff (dangerous to turn off)"};
  98 cvar_t r_drawworld = {CF_CLIENT, "r_drawworld","1", "draw world (most static stuff)"};
  99 cvar_t r_drawviewmodel = {CF_CLIENT, "r_drawviewmodel","1", "draw your weapon model"};
 100 cvar_t r_drawexteriormodel = {CF_CLIENT, "r_drawexteriormodel","1", "draw your player model (e.g. in chase cam, reflections)"};
 101 cvar_t r_cullentities_trace = {CF_CLIENT, "r_cullentities_trace", "1", "probabistically cull invisible entities"};
 102 cvar_t r_cullentities_trace_entityocclusion = {CF_CLIENT, "r_cullentities_trace_entityocclusion", "1", "check for occluding entities such as doors, not just world hull"};
 103 cvar_t r_cullentities_trace_samples = {CF_CLIENT, "r_cullentities_trace_samples", "2", "number of samples to test for entity culling (in addition to center sample)"};
 104 cvar_t r_cullentities_trace_tempentitysamples = {CF_CLIENT, "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)"};
 105 cvar_t r_cullentities_trace_enlarge = {CF_CLIENT, "r_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
 106 cvar_t r_cullentities_trace_expand = {CF_CLIENT, "r_cullentities_trace_expand", "0", "box expanded by this many units for entity culling"};
 107 cvar_t r_cullentities_trace_pad = {CF_CLIENT, "r_cullentities_trace_pad", "8", "accept traces that hit within this many units of the box"};
 108 cvar_t r_cullentities_trace_delay = {CF_CLIENT, "r_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
 109 cvar_t r_cullentities_trace_eyejitter = {CF_CLIENT, "r_cullentities_trace_eyejitter", "16", "randomly offset rays from the eye by this much to reduce the odds of flickering"};
 110 cvar_t r_sortentities = {CF_CLIENT, "r_sortentities", "0", "sort entities before drawing (might be faster)"};
 111 cvar_t r_speeds = {CF_CLIENT, "r_speeds","0", "displays rendering statistics and per-subsystem timings"};
 112 cvar_t r_fullbright = {CF_CLIENT, "r_fullbright","0", "makes map very bright and renders faster"};
 113
 114 cvar_t r_fullbright_directed = {CF_CLIENT, "r_fullbright_directed", "0", "render fullbright things (unlit worldmodel and EF_FULLBRIGHT entities, but not fullbright shaders) using a constant light direction instead to add more depth while keeping uniform brightness"};
 115 cvar_t r_fullbright_directed_ambient = {CF_CLIENT, "r_fullbright_directed_ambient", "0.5", "ambient light multiplier for directed fullbright"};
 116 cvar_t r_fullbright_directed_diffuse = {CF_CLIENT, "r_fullbright_directed_diffuse", "0.75", "diffuse light multiplier for directed fullbright"};
 117 cvar_t r_fullbright_directed_pitch = {CF_CLIENT, "r_fullbright_directed_pitch", "20", "constant pitch direction ('height') of the fake light source to use for fullbright"};
 118 cvar_t r_fullbright_directed_pitch_relative = {CF_CLIENT, "r_fullbright_directed_pitch_relative", "0", "whether r_fullbright_directed_pitch is interpreted as absolute (0) or relative (1) pitch"};
 119
 120 cvar_t r_wateralpha = {CF_CLIENT | CF_ARCHIVE, "r_wateralpha","1", "opacity of water polygons"};
 121 cvar_t r_dynamic = {CF_CLIENT | CF_ARCHIVE, "r_dynamic","1", "enables dynamic lights (rocket glow and such)"};
 122 cvar_t r_fullbrights = {CF_CLIENT | CF_ARCHIVE, "r_fullbrights", "1", "enables glowing pixels in quake textures (changes need r_restart to take effect)"};
 123 cvar_t r_shadows = {CF_CLIENT | CF_ARCHIVE, "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."};
 124 cvar_t r_shadows_darken = {CF_CLIENT | CF_ARCHIVE, "r_shadows_darken", "0.5", "how much shadowed areas will be darkened"};
 125 cvar_t r_shadows_throwdistance = {CF_CLIENT | CF_ARCHIVE, "r_shadows_throwdistance", "500", "how far to cast shadows from models"};
 126 cvar_t r_shadows_throwdirection = {CF_CLIENT | CF_ARCHIVE, "r_shadows_throwdirection", "0 0 -1", "override throwing direction for r_shadows 2"};
 127 cvar_t r_shadows_drawafterrtlighting = {CF_CLIENT | CF_ARCHIVE, "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."};
 128 cvar_t r_shadows_castfrombmodels = {CF_CLIENT | CF_ARCHIVE, "r_shadows_castfrombmodels", "0", "do cast shadows from bmodels"};
 129 cvar_t r_shadows_focus = {CF_CLIENT | CF_ARCHIVE, "r_shadows_focus", "0 0 0", "offset the shadowed area focus"};
 130 cvar_t r_shadows_shadowmapscale = {CF_CLIENT | CF_ARCHIVE, "r_shadows_shadowmapscale", "0.25", "higher values increase shadowmap quality at a cost of area covered (multiply global shadowmap precision) for fake shadows. Needs shadowmapping ON."};
 131 cvar_t r_shadows_shadowmapbias = {CF_CLIENT | CF_ARCHIVE, "r_shadows_shadowmapbias", "-1", "sets shadowmap bias for fake shadows. -1 sets the value of r_shadow_shadowmapping_bias. Needs shadowmapping ON."};
 132 cvar_t r_q1bsp_skymasking = {CF_CLIENT, "r_q1bsp_skymasking", "1", "allows sky polygons in quake1 maps to obscure other geometry"};
 133 cvar_t r_polygonoffset_submodel_factor = {CF_CLIENT, "r_polygonoffset_submodel_factor", "0", "biases depth values of world submodels such as doors, to prevent z-fighting artifacts in Quake maps"};
 134 cvar_t r_polygonoffset_submodel_offset = {CF_CLIENT, "r_polygonoffset_submodel_offset", "14", "biases depth values of world submodels such as doors, to prevent z-fighting artifacts in Quake maps"};
 135 cvar_t r_polygonoffset_decals_factor = {CF_CLIENT, "r_polygonoffset_decals_factor", "0", "biases depth values of decals to prevent z-fighting artifacts"};
 136 cvar_t r_polygonoffset_decals_offset = {CF_CLIENT, "r_polygonoffset_decals_offset", "-14", "biases depth values of decals to prevent z-fighting artifacts"};
 137 cvar_t r_fog_exp2 = {CF_CLIENT, "r_fog_exp2", "0", "uses GL_EXP2 fog (as in Nehahra) rather than realistic GL_EXP fog"};
 138 cvar_t r_fog_clear = {CF_CLIENT, "r_fog_clear", "1", "clears renderbuffer with fog color before render starts"};
 139 cvar_t r_drawfog = {CF_CLIENT | CF_ARCHIVE, "r_drawfog", "1", "allows one to disable fog rendering"};
 140 cvar_t r_transparentdepthmasking = {CF_CLIENT | CF_ARCHIVE, "r_transparentdepthmasking", "0", "enables depth writes on transparent meshes whose materially is normally opaque, this prevents seeing the inside of a transparent mesh"};
 141 cvar_t r_transparent_sortmindist = {CF_CLIENT | CF_ARCHIVE, "r_transparent_sortmindist", "0", "lower distance limit for transparent sorting"};
 142 cvar_t r_transparent_sortmaxdist = {CF_CLIENT | CF_ARCHIVE, "r_transparent_sortmaxdist", "32768", "upper distance limit for transparent sorting"};
 143 cvar_t r_transparent_sortarraysize = {CF_CLIENT | CF_ARCHIVE, "r_transparent_sortarraysize", "4096", "number of distance-sorting layers"};
 144 cvar_t r_celshading = {CF_CLIENT | CF_ARCHIVE, "r_celshading", "0", "cartoon-style light shading (OpenGL 2.x only)"}; // FIXME remove OpenGL 2.x only once implemented for DX9
 145 cvar_t r_celoutlines = {CF_CLIENT | CF_ARCHIVE, "r_celoutlines", "0", "cartoon-style outlines (requires r_shadow_deferred)"};
 146
 147 cvar_t gl_fogenable = {CF_CLIENT, "gl_fogenable", "0", "nehahra fog enable (for Nehahra compatibility only)"};
 148 cvar_t gl_fogdensity = {CF_CLIENT, "gl_fogdensity", "0.25", "nehahra fog density (recommend values below 0.1) (for Nehahra compatibility only)"};
 149 cvar_t gl_fogred = {CF_CLIENT, "gl_fogred","0.3", "nehahra fog color red value (for Nehahra compatibility only)"};
 150 cvar_t gl_foggreen = {CF_CLIENT, "gl_foggreen","0.3", "nehahra fog color green value (for Nehahra compatibility only)"};
 151 cvar_t gl_fogblue = {CF_CLIENT, "gl_fogblue","0.3", "nehahra fog color blue value (for Nehahra compatibility only)"};
 152 cvar_t gl_fogstart = {CF_CLIENT, "gl_fogstart", "0", "nehahra fog start distance (for Nehahra compatibility only)"};
 153 cvar_t gl_fogend = {CF_CLIENT, "gl_fogend","0", "nehahra fog end distance (for Nehahra compatibility only)"};
 154 cvar_t gl_skyclip = {CF_CLIENT, "gl_skyclip", "4608", "nehahra farclip distance - the real fog end (for Nehahra compatibility only)"};
 155
 156 cvar_t r_texture_dds_load = {CF_CLIENT | CF_ARCHIVE, "r_texture_dds_load", "0", "load compressed dds/filename.dds texture instead of filename.tga, if the file exists (requires driver support)"};
 157 cvar_t r_texture_dds_save = {CF_CLIENT | CF_ARCHIVE, "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"};
 158
 159 cvar_t r_usedepthtextures = {CF_CLIENT | CF_ARCHIVE, "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"};
 160 cvar_t r_viewfbo = {CF_CLIENT | CF_ARCHIVE, "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; the default setting of 0 uses a framebuffer render when required, and renders directly to the screen otherwise"};
 161 cvar_t r_rendertarget_debug = {CF_CLIENT, "r_rendertarget_debug", "-1", "replaces the view with the contents of the specified render target (by number - note that these can fluctuate depending on scene)"};
 162 cvar_t r_viewscale = {CF_CLIENT | CF_ARCHIVE, "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"};
 163 cvar_t r_viewscale_fpsscaling = {CF_CLIENT | CF_ARCHIVE, "r_viewscale_fpsscaling", "0", "change resolution based on framerate"};
 164 cvar_t r_viewscale_fpsscaling_min = {CF_CLIENT | CF_ARCHIVE, "r_viewscale_fpsscaling_min", "0.0625", "worst acceptable quality"};
 165 cvar_t r_viewscale_fpsscaling_multiply = {CF_CLIENT | CF_ARCHIVE, "r_viewscale_fpsscaling_multiply", "5", "adjust quality up or down by the frametime difference from 1.0/target, multiplied by this factor"};
 166 cvar_t r_viewscale_fpsscaling_stepsize = {CF_CLIENT | CF_ARCHIVE, "r_viewscale_fpsscaling_stepsize", "0.01", "smallest adjustment to hit the target framerate (this value prevents minute oscillations)"};
 167 cvar_t r_viewscale_fpsscaling_stepmax = {CF_CLIENT | CF_ARCHIVE, "r_viewscale_fpsscaling_stepmax", "1.00", "largest adjustment to hit the target framerate (this value prevents wild overshooting of the estimate)"};
 168 cvar_t r_viewscale_fpsscaling_target = {CF_CLIENT | CF_ARCHIVE, "r_viewscale_fpsscaling_target", "70", "desired framerate"};
 169
 170 cvar_t r_glsl_skeletal = {CF_CLIENT | CF_ARCHIVE, "r_glsl_skeletal", "1", "render skeletal models faster using a gpu-skinning technique"};
 171 cvar_t r_glsl_deluxemapping = {CF_CLIENT | CF_ARCHIVE, "r_glsl_deluxemapping", "1", "use per pixel lighting on deluxemap-compiled q3bsp maps (or a value of 2 forces deluxemap shading even without deluxemaps)"};
 172 cvar_t r_glsl_offsetmapping = {CF_CLIENT | CF_ARCHIVE, "r_glsl_offsetmapping", "0", "offset mapping effect (also known as parallax mapping or virtual displacement mapping)"};
 173 cvar_t r_glsl_offsetmapping_steps = {CF_CLIENT | CF_ARCHIVE, "r_glsl_offsetmapping_steps", "2", "offset mapping steps (note: too high values may be not supported by your GPU)"};
 174 cvar_t r_glsl_offsetmapping_reliefmapping = {CF_CLIENT | CF_ARCHIVE, "r_glsl_offsetmapping_reliefmapping", "0", "relief mapping effect (higher quality)"};
 175 cvar_t r_glsl_offsetmapping_reliefmapping_steps = {CF_CLIENT | CF_ARCHIVE, "r_glsl_offsetmapping_reliefmapping_steps", "10", "relief mapping steps (note: too high values may be not supported by your GPU)"};
 176 cvar_t r_glsl_offsetmapping_reliefmapping_refinesteps = {CF_CLIENT | CF_ARCHIVE, "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)"};
 177 cvar_t r_glsl_offsetmapping_scale = {CF_CLIENT | CF_ARCHIVE, "r_glsl_offsetmapping_scale", "0.04", "how deep the offset mapping effect is"};
 178 cvar_t r_glsl_offsetmapping_lod = {CF_CLIENT | CF_ARCHIVE, "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"};
 179 cvar_t r_glsl_offsetmapping_lod_distance = {CF_CLIENT | CF_ARCHIVE, "r_glsl_offsetmapping_lod_distance", "32", "first LOD level distance, second level (-50% steps) is 2x of this, third (33%) - 3x etc."};
 180 cvar_t r_glsl_postprocess = {CF_CLIENT | CF_ARCHIVE, "r_glsl_postprocess", "0", "use a GLSL postprocessing shader"};
 181 cvar_t r_glsl_postprocess_uservec1 = {CF_CLIENT | CF_ARCHIVE, "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)"};
 182 cvar_t r_glsl_postprocess_uservec2 = {CF_CLIENT | CF_ARCHIVE, "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)"};
 183 cvar_t r_glsl_postprocess_uservec3 = {CF_CLIENT | CF_ARCHIVE, "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)"};
 184 cvar_t r_glsl_postprocess_uservec4 = {CF_CLIENT | CF_ARCHIVE, "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)"};
 185 cvar_t r_glsl_postprocess_uservec1_enable = {CF_CLIENT | CF_ARCHIVE, "r_glsl_postprocess_uservec1_enable", "1", "enables postprocessing uservec1 usage, creates USERVEC1 define (only useful if default.glsl has been customized)"};
 186 cvar_t r_glsl_postprocess_uservec2_enable = {CF_CLIENT | CF_ARCHIVE, "r_glsl_postprocess_uservec2_enable", "1", "enables postprocessing uservec2 usage, creates USERVEC1 define (only useful if default.glsl has been customized)"};
 187 cvar_t r_glsl_postprocess_uservec3_enable = {CF_CLIENT | CF_ARCHIVE, "r_glsl_postprocess_uservec3_enable", "1", "enables postprocessing uservec3 usage, creates USERVEC1 define (only useful if default.glsl has been customized)"};
 188 cvar_t r_glsl_postprocess_uservec4_enable = {CF_CLIENT | CF_ARCHIVE, "r_glsl_postprocess_uservec4_enable", "1", "enables postprocessing uservec4 usage, creates USERVEC1 define (only useful if default.glsl has been customized)"};
 189 cvar_t r_colorfringe = {CF_CLIENT | CF_ARCHIVE, "r_colorfringe", "0", "Chromatic aberration. Values higher than 0.025 will noticeably distort the image"};
 190 cvar_t r_fxaa = {CF_CLIENT | CF_ARCHIVE, "r_fxaa", "0", "fast approximate anti aliasing"};
 191
 192 cvar_t r_water = {CF_CLIENT | CF_ARCHIVE, "r_water", "0", "whether to use reflections and refraction on water surfaces (note: r_wateralpha must be set below 1)"};
 193 cvar_t r_water_cameraentitiesonly = {CF_CLIENT | CF_ARCHIVE, "r_water_cameraentitiesonly", "0", "whether to only show QC-defined reflections/refractions (typically used for camera- or portal-like effects)"};
 194 cvar_t r_water_clippingplanebias = {CF_CLIENT | CF_ARCHIVE, "r_water_clippingplanebias", "1", "a rather technical setting which avoids black pixels around water edges"};
 195 cvar_t r_water_resolutionmultiplier = {CF_CLIENT | CF_ARCHIVE, "r_water_resolutionmultiplier", "0.5", "multiplier for screen resolution when rendering refracted/reflected scenes, 1 is full quality, lower values are faster"};
 196 cvar_t r_water_refractdistort = {CF_CLIENT | CF_ARCHIVE, "r_water_refractdistort", "0.01", "how much water refractions shimmer"};
 197 cvar_t r_water_reflectdistort = {CF_CLIENT | CF_ARCHIVE, "r_water_reflectdistort", "0.01", "how much water reflections shimmer"};
 198 cvar_t r_water_scissormode = {CF_CLIENT, "r_water_scissormode", "3", "scissor (1) or cull (2) or both (3) water renders"};
 199 cvar_t r_water_lowquality = {CF_CLIENT, "r_water_lowquality", "0", "special option to accelerate water rendering: 1 disables all dynamic lights, 2 disables particles too"};
 200 cvar_t r_water_hideplayer = {CF_CLIENT | CF_ARCHIVE, "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"};
 201
 202 cvar_t r_lerpsprites = {CF_CLIENT | CF_ARCHIVE, "r_lerpsprites", "0", "enables animation smoothing on sprites"};
 203 cvar_t r_lerpmodels = {CF_CLIENT | CF_ARCHIVE, "r_lerpmodels", "1", "enables animation smoothing on models"};
 204 cvar_t r_nolerp_list = {CF_CLIENT | CF_ARCHIVE, "r_nolerp_list", "progs/v_nail.mdl,progs/v_nail2.mdl,progs/flame.mdl,progs/flame2.mdl,progs/braztall.mdl,progs/brazshrt.mdl,progs/longtrch.mdl,progs/flame_pyre.mdl,progs/v_saw.mdl,progs/v_xfist.mdl,progs/h2stuff/newfire.mdl", "comma separated list of models that will not have their animations smoothed"};
 205 cvar_t r_lerplightstyles = {CF_CLIENT | CF_ARCHIVE, "r_lerplightstyles", "0", "enable animation smoothing on flickering lights"};
 206 cvar_t r_waterscroll = {CF_CLIENT | CF_ARCHIVE, "r_waterscroll", "1", "makes water scroll around, value controls how much"};
 207
 208 cvar_t r_bloom = {CF_CLIENT | CF_ARCHIVE, "r_bloom", "0", "enables bloom effect (makes bright pixels affect neighboring pixels)"};
 209 cvar_t r_bloom_colorscale = {CF_CLIENT | CF_ARCHIVE, "r_bloom_colorscale", "1", "how bright the glow is"};
 210
 211 cvar_t r_bloom_brighten = {CF_CLIENT | CF_ARCHIVE, "r_bloom_brighten", "1", "how bright the glow is, after subtract/power"};
 212 cvar_t r_bloom_blur = {CF_CLIENT | CF_ARCHIVE, "r_bloom_blur", "4", "how large the glow is"};
 213 cvar_t r_bloom_resolution = {CF_CLIENT | CF_ARCHIVE, "r_bloom_resolution", "320", "what resolution to perform the bloom effect at (independent of screen resolution)"};
 214 cvar_t r_bloom_colorexponent = {CF_CLIENT | CF_ARCHIVE, "r_bloom_colorexponent", "1", "how exaggerated the glow is"};
 215 cvar_t r_bloom_colorsubtract = {CF_CLIENT | CF_ARCHIVE, "r_bloom_colorsubtract", "0.1", "reduces bloom colors by a certain amount"};
 216 cvar_t r_bloom_scenebrightness = {CF_CLIENT | CF_ARCHIVE, "r_bloom_scenebrightness", "1", "global rendering brightness when bloom is enabled"};
 217
 218 cvar_t r_hdr_scenebrightness = {CF_CLIENT | CF_ARCHIVE, "r_hdr_scenebrightness", "1", "global rendering brightness"};
 219 cvar_t r_hdr_glowintensity = {CF_CLIENT | CF_ARCHIVE, "r_hdr_glowintensity", "1", "how bright light emitting textures should appear"};
 220 cvar_t r_hdr_irisadaptation = {CF_CLIENT | CF_ARCHIVE, "r_hdr_irisadaptation", "0", "adjust scene brightness according to light intensity at player location"};
 221 cvar_t r_hdr_irisadaptation_multiplier = {CF_CLIENT | CF_ARCHIVE, "r_hdr_irisadaptation_multiplier", "2", "brightness at which value will be 1.0"};
 222 cvar_t r_hdr_irisadaptation_minvalue = {CF_CLIENT | CF_ARCHIVE, "r_hdr_irisadaptation_minvalue", "0.5", "minimum value that can result from multiplier / brightness"};
 223 cvar_t r_hdr_irisadaptation_maxvalue = {CF_CLIENT | CF_ARCHIVE, "r_hdr_irisadaptation_maxvalue", "4", "maximum value that can result from multiplier / brightness"};
 224 cvar_t r_hdr_irisadaptation_value = {CF_CLIENT, "r_hdr_irisadaptation_value", "1", "current value as scenebrightness multiplier, changes continuously when irisadaptation is active"};
 225 cvar_t r_hdr_irisadaptation_fade_up = {CF_CLIENT | CF_ARCHIVE, "r_hdr_irisadaptation_fade_up", "0.1", "fade rate at which value adjusts to darkness"};
 226 cvar_t r_hdr_irisadaptation_fade_down = {CF_CLIENT | CF_ARCHIVE, "r_hdr_irisadaptation_fade_down", "0.5", "fade rate at which value adjusts to brightness"};
 227 cvar_t r_hdr_irisadaptation_radius = {CF_CLIENT | CF_ARCHIVE, "r_hdr_irisadaptation_radius", "15", "lighting within this many units of the eye is averaged"};
 228
 229 cvar_t r_smoothnormals_areaweighting = {CF_CLIENT, "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"};
 230
 231 cvar_t developer_texturelogging = {CF_CLIENT, "developer_texturelogging", "0", "produces a textures.log file containing names of skins and map textures the engine tried to load"};
 232
 233 cvar_t gl_lightmaps = {CF_CLIENT, "gl_lightmaps", "0", "draws only lightmaps, no texture (for level designers), a value of 2 keeps normalmap shading"};
 234
 235 cvar_t r_test = {CF_CLIENT, "r_test", "0", "internal development use only, leave it alone (usually does nothing anyway)"};
 236
 237 cvar_t r_batch_multidraw = {CF_CLIENT | CF_ARCHIVE, "r_batch_multidraw", "1", "issue multiple glDrawElements calls when rendering a batch of surfaces with the same texture (otherwise the index data is copied to make it one draw)"};
 238 cvar_t r_batch_multidraw_mintriangles = {CF_CLIENT | CF_ARCHIVE, "r_batch_multidraw_mintriangles", "0", "minimum number of triangles to activate multidraw path (copying small groups of triangles may be faster)"};
 239 cvar_t r_batch_debugdynamicvertexpath = {CF_CLIENT | CF_ARCHIVE, "r_batch_debugdynamicvertexpath", "0", "force the dynamic batching code path for debugging purposes"};
 240 cvar_t r_batch_dynamicbuffer = {CF_CLIENT | CF_ARCHIVE, "r_batch_dynamicbuffer", "0", "use vertex/index buffers for drawing dynamic and copytriangles batches"};
 241
 242 cvar_t r_glsl_saturation = {CF_CLIENT | CF_ARCHIVE, "r_glsl_saturation", "1", "saturation multiplier (only working in glsl!)"};
 243 cvar_t r_glsl_saturation_redcompensate = {CF_CLIENT | CF_ARCHIVE, "r_glsl_saturation_redcompensate", "0", "a 'vampire sight' addition to desaturation effect, does compensation for red color, r_glsl_restart is required"};
 244
 245 cvar_t r_glsl_vertextextureblend_usebothalphas = {CF_CLIENT | CF_ARCHIVE, "r_glsl_vertextextureblend_usebothalphas", "0", "use both alpha layers on vertex blended surfaces, each alpha layer sets amount of 'blend leak' on another layer, requires mod_q3shader_force_terrain_alphaflag on."};
 246
 247 // FIXME: This cvar would grow to a ridiculous size after several launches and clean exits when used during surface sorting.
 248 cvar_t r_framedatasize = {CF_CLIENT | CF_ARCHIVE, "r_framedatasize", "0.5", "size of renderer data cache used during one frame (for skeletal animation caching, light processing, etc)"};
 249 cvar_t r_buffermegs[R_BUFFERDATA_COUNT] =
 250 {
 251         {CF_CLIENT | CF_ARCHIVE, "r_buffermegs_vertex", "4", "vertex buffer size for one frame"},
 252         {CF_CLIENT | CF_ARCHIVE, "r_buffermegs_index16", "1", "index buffer size for one frame (16bit indices)"},
 253         {CF_CLIENT | CF_ARCHIVE, "r_buffermegs_index32", "1", "index buffer size for one frame (32bit indices)"},
 254         {CF_CLIENT | CF_ARCHIVE, "r_buffermegs_uniform", "0.25", "uniform buffer size for one frame"},
 255 };
 256
 257 cvar_t r_q1bsp_lightmap_updates_enabled = {CF_CLIENT | CF_ARCHIVE, "r_q1bsp_lightmap_updates_enabled", "1", "allow lightmaps to be updated on Q1BSP maps (don't turn this off except for debugging)"};
 258 cvar_t r_q1bsp_lightmap_updates_combine = {CF_CLIENT | CF_ARCHIVE, "r_q1bsp_lightmap_updates_combine", "2", "combine lightmap texture updates to make fewer glTexSubImage2D calls, modes: 0 = immediately upload lightmaps (may be thousands of small 3x3 updates), 1 = combine to one call, 2 = combine to one full texture update (glTexImage2D) which tells the driver it does not need to lock the resource (faster on most drivers)"};
 259 cvar_t r_q1bsp_lightmap_updates_hidden_surfaces = {CF_CLIENT | CF_ARCHIVE, "r_q1bsp_lightmap_updates_hidden_surfaces", "0", "update lightmaps on surfaces that are not visible, so that updates only occur on frames where lightstyles changed value (animation or light switches), only makes sense with combine = 2"};
 260
 261 extern cvar_t v_glslgamma_2d;
 262
 263 extern qbool v_flipped_state;
 264
 265 r_framebufferstate_t r_fb;
 266
 267 /// shadow volume bsp struct with automatically growing nodes buffer
 268 svbsp_t r_svbsp;
 269
 270 int r_uniformbufferalignment = 32; // dynamically updated to match GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT
 271
 272 rtexture_t *r_texture_blanknormalmap;
 273 rtexture_t *r_texture_white;
 274 rtexture_t *r_texture_grey128;
 275 rtexture_t *r_texture_black;
 276 rtexture_t *r_texture_notexture;
 277 rtexture_t *r_texture_whitecube;
 278 rtexture_t *r_texture_normalizationcube;
 279 rtexture_t *r_texture_fogattenuation;
 280 rtexture_t *r_texture_fogheighttexture;
 281 rtexture_t *r_texture_gammaramps;
 282 unsigned int r_texture_gammaramps_serial;
 283 //rtexture_t *r_texture_fogintensity;
 284 rtexture_t *r_texture_reflectcube;
 285
 286 // TODO: hash lookups?
 287 typedef struct cubemapinfo_s
 288 {
 289         char basename[64];
 290         rtexture_t *texture;
 291 }
 292 cubemapinfo_t;
 293
 294 int r_texture_numcubemaps;
 295 cubemapinfo_t *r_texture_cubemaps[MAX_CUBEMAPS];
 296
 297 unsigned int r_queries[MAX_OCCLUSION_QUERIES];
 298 unsigned int r_numqueries;
 299 unsigned int r_maxqueries;
 300
 301 typedef struct r_qwskincache_s
 302 {
 303         char name[MAX_QPATH];
 304         skinframe_t *skinframe;
 305 }
 306 r_qwskincache_t;
 307
 308 static r_qwskincache_t *r_qwskincache;
 309 static int r_qwskincache_size;
 310
 311 /// vertex coordinates for a quad that covers the screen exactly
 312 extern const float r_screenvertex3f[12];
 313 const float r_screenvertex3f[12] =
 314 {
 315         0, 0, 0,
 316         1, 0, 0,
 317         1, 1, 0,
 318         0, 1, 0
 319 };
 320
 321 void R_ModulateColors(float *in, float *out, int verts, float r, float g, float b)
 322 {
 323         int i;
 324         for (i = 0;i < verts;i++)
 325         {
 326                 out[0] = in[0] * r;
 327                 out[1] = in[1] * g;
 328                 out[2] = in[2] * b;
 329                 out[3] = in[3];
 330                 in += 4;
 331                 out += 4;
 332         }
 333 }
 334
 335 void R_FillColors(float *out, int verts, float r, float g, float b, float a)
 336 {
 337         int i;
 338         for (i = 0;i < verts;i++)
 339         {
 340                 out[0] = r;
 341                 out[1] = g;
 342                 out[2] = b;
 343                 out[3] = a;
 344                 out += 4;
 345         }
 346 }
 347
 348 // FIXME: move this to client?
 349 void FOG_clear(void)
 350 {
 351         if (gamemode == GAME_NEHAHRA)
 352         {
 353                 Cvar_Set(&cvars_all, "gl_fogenable", "0");
 354                 Cvar_Set(&cvars_all, "gl_fogdensity", "0.2");
 355                 Cvar_Set(&cvars_all, "gl_fogred", "0.3");
 356                 Cvar_Set(&cvars_all, "gl_foggreen", "0.3");
 357                 Cvar_Set(&cvars_all, "gl_fogblue", "0.3");
 358         }
 359         r_refdef.fog_density = 0;
 360         r_refdef.fog_red = 0;
 361         r_refdef.fog_green = 0;
 362         r_refdef.fog_blue = 0;
 363         r_refdef.fog_alpha = 1;
 364         r_refdef.fog_start = 0;
 365         r_refdef.fog_end = 16384;
 366         r_refdef.fog_height = 1<<30;
 367         r_refdef.fog_fadedepth = 128;
 368         memset(r_refdef.fog_height_texturename, 0, sizeof(r_refdef.fog_height_texturename));
 369 }
 370
 371 static void R_BuildBlankTextures(void)
 372 {
 373         unsigned char data[4];
 374         data[2] = 128; // normal X
 375         data[1] = 128; // normal Y
 376         data[0] = 255; // normal Z
 377         data[3] = 255; // height
 378         r_texture_blanknormalmap = R_LoadTexture2D(r_main_texturepool, "blankbump", 1, 1, data, TEXTYPE_BGRA, TEXF_PERSISTENT, -1, NULL);
 379         data[0] = 255;
 380         data[1] = 255;
 381         data[2] = 255;
 382         data[3] = 255;
 383         r_texture_white = R_LoadTexture2D(r_main_texturepool, "blankwhite", 1, 1, data, TEXTYPE_BGRA, TEXF_PERSISTENT, -1, NULL);
 384         data[0] = 128;
 385         data[1] = 128;
 386         data[2] = 128;
 387         data[3] = 255;
 388         r_texture_grey128 = R_LoadTexture2D(r_main_texturepool, "blankgrey128", 1, 1, data, TEXTYPE_BGRA, TEXF_PERSISTENT, -1, NULL);
 389         data[0] = 0;
 390         data[1] = 0;
 391         data[2] = 0;
 392         data[3] = 255;
 393         r_texture_black = R_LoadTexture2D(r_main_texturepool, "blankblack", 1, 1, data, TEXTYPE_BGRA, TEXF_PERSISTENT, -1, NULL);
 394 }
 395
 396 static void R_BuildNoTexture(void)
 397 {
 398         r_texture_notexture = R_LoadTexture2D(r_main_texturepool, "notexture", 16, 16, Image_GenerateNoTexture(), 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, 0);
 517                 //R_UpdateTexture(r_texture_fogattenuation, &data2[0][0], 0, 0, 0, FOGWIDTH, 1, 1, 0);
 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         dp_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         // LadyHavoc: 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 *builtinshaderstrings[] =
 597 {
 598 #include "shader_glsl.h"
 599 0
 600 };
 601
 602 //=======================================================================================================================================================
 603
 604 typedef struct shaderpermutationinfo_s
 605 {
 606         const char *pretext;
 607         const char *name;
 608 }
 609 shaderpermutationinfo_t;
 610
 611 typedef struct shadermodeinfo_s
 612 {
 613         const char *sourcebasename;
 614         const char *extension;
 615         const char **builtinshaderstrings;
 616         const char *pretext;
 617         const char *name;
 618         char *filename;
 619         char *builtinstring;
 620         int builtincrc;
 621 }
 622 shadermodeinfo_t;
 623
 624 // NOTE: MUST MATCH ORDER OF SHADERPERMUTATION_* DEFINES!
 625 shaderpermutationinfo_t shaderpermutationinfo[SHADERPERMUTATION_COUNT] =
 626 {
 627         {"#define USEDIFFUSE\n", " diffuse"},
 628         {"#define USEVERTEXTEXTUREBLEND\n", " vertextextureblend"},
 629         {"#define USEVIEWTINT\n", " viewtint"},
 630         {"#define USECOLORMAPPING\n", " colormapping"},
 631         {"#define USESATURATION\n", " saturation"},
 632         {"#define USEFOGINSIDE\n", " foginside"},
 633         {"#define USEFOGOUTSIDE\n", " fogoutside"},
 634         {"#define USEFOGHEIGHTTEXTURE\n", " fogheighttexture"},
 635         {"#define USEFOGALPHAHACK\n", " fogalphahack"},
 636         {"#define USEGAMMARAMPS\n", " gammaramps"},
 637         {"#define USECUBEFILTER\n", " cubefilter"},
 638         {"#define USEGLOW\n", " glow"},
 639         {"#define USEBLOOM\n", " bloom"},
 640         {"#define USESPECULAR\n", " specular"},
 641         {"#define USEPOSTPROCESSING\n", " postprocessing"},
 642         {"#define USEREFLECTION\n", " reflection"},
 643         {"#define USEOFFSETMAPPING\n", " offsetmapping"},
 644         {"#define USEOFFSETMAPPING_RELIEFMAPPING\n", " reliefmapping"},
 645         {"#define USESHADOWMAP2D\n", " shadowmap2d"},
 646         {"#define USESHADOWMAPVSDCT\n", " shadowmapvsdct"}, // TODO make this a static parm
 647         {"#define USESHADOWMAPORTHO\n", " shadowmaportho"},
 648         {"#define USEDEFERREDLIGHTMAP\n", " deferredlightmap"},
 649         {"#define USEALPHAKILL\n", " alphakill"},
 650         {"#define USEREFLECTCUBE\n", " reflectcube"},
 651         {"#define USENORMALMAPSCROLLBLEND\n", " normalmapscrollblend"},
 652         {"#define USEBOUNCEGRID\n", " bouncegrid"},
 653         {"#define USEBOUNCEGRIDDIRECTIONAL\n", " bouncegriddirectional"}, // TODO make this a static parm
 654         {"#define USETRIPPY\n", " trippy"},
 655         {"#define USEDEPTHRGB\n", " depthrgb"},
 656         {"#define USEALPHAGENVERTEX\n", " alphagenvertex"},
 657         {"#define USESKELETAL\n", " skeletal"},
 658         {"#define USEOCCLUDE\n", " occlude"}
 659 };
 660
 661 // NOTE: MUST MATCH ORDER OF SHADERMODE_* ENUMS!
 662 shadermodeinfo_t shadermodeinfo[SHADERLANGUAGE_COUNT][SHADERMODE_COUNT] =
 663 {
 664         // SHADERLANGUAGE_GLSL
 665         {
 666                 {"combined", "glsl", builtinshaderstrings, "#define MODE_GENERIC\n", " generic"},
 667                 {"combined", "glsl", builtinshaderstrings, "#define MODE_POSTPROCESS\n", " postprocess"},
 668                 {"combined", "glsl", builtinshaderstrings, "#define MODE_DEPTH_OR_SHADOW\n", " depth/shadow"},
 669                 {"combined", "glsl", builtinshaderstrings, "#define MODE_FLATCOLOR\n", " flatcolor"},
 670                 {"combined", "glsl", builtinshaderstrings, "#define MODE_VERTEXCOLOR\n", " vertexcolor"},
 671                 {"combined", "glsl", builtinshaderstrings, "#define MODE_LIGHTMAP\n", " lightmap"},
 672                 {"combined", "glsl", builtinshaderstrings, "#define MODE_LIGHTDIRECTIONMAP_MODELSPACE\n", " lightdirectionmap_modelspace"},
 673                 {"combined", "glsl", builtinshaderstrings, "#define MODE_LIGHTDIRECTIONMAP_TANGENTSPACE\n", " lightdirectionmap_tangentspace"},
 674                 {"combined", "glsl", builtinshaderstrings, "#define MODE_LIGHTDIRECTIONMAP_FORCED_LIGHTMAP\n", " lightdirectionmap_forced_lightmap"},
 675                 {"combined", "glsl", builtinshaderstrings, "#define MODE_LIGHTDIRECTIONMAP_FORCED_VERTEXCOLOR\n", " lightdirectionmap_forced_vertexcolor"},
 676                 {"combined", "glsl", builtinshaderstrings, "#define MODE_LIGHTGRID\n", " lightgrid"},
 677                 {"combined", "glsl", builtinshaderstrings, "#define MODE_LIGHTDIRECTION\n", " lightdirection"},
 678                 {"combined", "glsl", builtinshaderstrings, "#define MODE_LIGHTSOURCE\n", " lightsource"},
 679                 {"combined", "glsl", builtinshaderstrings, "#define MODE_REFRACTION\n", " refraction"},
 680                 {"combined", "glsl", builtinshaderstrings, "#define MODE_WATER\n", " water"},
 681                 {"combined", "glsl", builtinshaderstrings, "#define MODE_DEFERREDGEOMETRY\n", " deferredgeometry"},
 682                 {"combined", "glsl", builtinshaderstrings, "#define MODE_DEFERREDLIGHTSOURCE\n", " deferredlightsource"},
 683         },
 684 };
 685
 686 struct r_glsl_permutation_s;
 687 typedef struct r_glsl_permutation_s
 688 {
 689         /// hash lookup data
 690         struct r_glsl_permutation_s *hashnext;
 691         unsigned int mode;
 692         uint64_t permutation;
 693
 694         /// indicates if we have tried compiling this permutation already
 695         qbool compiled;
 696         /// 0 if compilation failed
 697         int program;
 698         // texture units assigned to each detected uniform
 699         int tex_Texture_First;
 700         int tex_Texture_Second;
 701         int tex_Texture_GammaRamps;
 702         int tex_Texture_Normal;
 703         int tex_Texture_Color;
 704         int tex_Texture_Gloss;
 705         int tex_Texture_Glow;
 706         int tex_Texture_SecondaryNormal;
 707         int tex_Texture_SecondaryColor;
 708         int tex_Texture_SecondaryGloss;
 709         int tex_Texture_SecondaryGlow;
 710         int tex_Texture_Pants;
 711         int tex_Texture_Shirt;
 712         int tex_Texture_FogHeightTexture;
 713         int tex_Texture_FogMask;
 714         int tex_Texture_LightGrid;
 715         int tex_Texture_Lightmap;
 716         int tex_Texture_Deluxemap;
 717         int tex_Texture_Attenuation;
 718         int tex_Texture_Cube;
 719         int tex_Texture_Refraction;
 720         int tex_Texture_Reflection;
 721         int tex_Texture_ShadowMap2D;
 722         int tex_Texture_CubeProjection;
 723         int tex_Texture_ScreenNormalMap;
 724         int tex_Texture_ScreenDiffuse;
 725         int tex_Texture_ScreenSpecular;
 726         int tex_Texture_ReflectMask;
 727         int tex_Texture_ReflectCube;
 728         int tex_Texture_BounceGrid;
 729         /// locations of detected uniforms in program object, or -1 if not found
 730         int loc_Texture_First;
 731         int loc_Texture_Second;
 732         int loc_Texture_GammaRamps;
 733         int loc_Texture_Normal;
 734         int loc_Texture_Color;
 735         int loc_Texture_Gloss;
 736         int loc_Texture_Glow;
 737         int loc_Texture_SecondaryNormal;
 738         int loc_Texture_SecondaryColor;
 739         int loc_Texture_SecondaryGloss;
 740         int loc_Texture_SecondaryGlow;
 741         int loc_Texture_Pants;
 742         int loc_Texture_Shirt;
 743         int loc_Texture_FogHeightTexture;
 744         int loc_Texture_FogMask;
 745         int loc_Texture_LightGrid;
 746         int loc_Texture_Lightmap;
 747         int loc_Texture_Deluxemap;
 748         int loc_Texture_Attenuation;
 749         int loc_Texture_Cube;
 750         int loc_Texture_Refraction;
 751         int loc_Texture_Reflection;
 752         int loc_Texture_ShadowMap2D;
 753         int loc_Texture_CubeProjection;
 754         int loc_Texture_ScreenNormalMap;
 755         int loc_Texture_ScreenDiffuse;
 756         int loc_Texture_ScreenSpecular;
 757         int loc_Texture_ReflectMask;
 758         int loc_Texture_ReflectCube;
 759         int loc_Texture_BounceGrid;
 760         int loc_Alpha;
 761         int loc_BloomBlur_Parameters;
 762         int loc_ClientTime;
 763         int loc_Color_Ambient;
 764         int loc_Color_Diffuse;
 765         int loc_Color_Specular;
 766         int loc_Color_Glow;
 767         int loc_Color_Pants;
 768         int loc_Color_Shirt;
 769         int loc_DeferredColor_Ambient;
 770         int loc_DeferredColor_Diffuse;
 771         int loc_DeferredColor_Specular;
 772         int loc_DeferredMod_Diffuse;
 773         int loc_DeferredMod_Specular;
 774         int loc_DistortScaleRefractReflect;
 775         int loc_EyePosition;
 776         int loc_FogColor;
 777         int loc_FogHeightFade;
 778         int loc_FogPlane;
 779         int loc_FogPlaneViewDist;
 780         int loc_FogRangeRecip;
 781         int loc_LightColor;
 782         int loc_LightDir;
 783         int loc_LightGridMatrix;
 784         int loc_LightGridNormalMatrix;
 785         int loc_LightPosition;
 786         int loc_OffsetMapping_ScaleSteps;
 787         int loc_OffsetMapping_LodDistance;
 788         int loc_OffsetMapping_Bias;
 789         int loc_PixelSize;
 790         int loc_ReflectColor;
 791         int loc_ReflectFactor;
 792         int loc_ReflectOffset;
 793         int loc_RefractColor;
 794         int loc_Saturation;
 795         int loc_ScreenCenterRefractReflect;
 796         int loc_ScreenScaleRefractReflect;
 797         int loc_ScreenToDepth;
 798         int loc_ShadowMap_Parameters;
 799         int loc_ShadowMap_TextureScale;
 800         int loc_SpecularPower;
 801         int loc_Skeletal_Transform12;
 802         int loc_UserVec1;
 803         int loc_UserVec2;
 804         int loc_UserVec3;
 805         int loc_UserVec4;
 806         int loc_ColorFringe;
 807         int loc_ViewTintColor;
 808         int loc_ViewToLight;
 809         int loc_ModelToLight;
 810         int loc_TexMatrix;
 811         int loc_BackgroundTexMatrix;
 812         int loc_ModelViewProjectionMatrix;
 813         int loc_ModelViewMatrix;
 814         int loc_PixelToScreenTexCoord;
 815         int loc_ModelToReflectCube;
 816         int loc_ShadowMapMatrix;
 817         int loc_BloomColorSubtract;
 818         int loc_NormalmapScrollBlend;
 819         int loc_BounceGridMatrix;
 820         int loc_BounceGridIntensity;
 821         /// uniform block bindings
 822         int ubibind_Skeletal_Transform12_UniformBlock;
 823         /// uniform block indices
 824         int ubiloc_Skeletal_Transform12_UniformBlock;
 825 }
 826 r_glsl_permutation_t;
 827
 828 #define SHADERPERMUTATION_HASHSIZE 256
 829
 830
 831 // non-degradable "lightweight" shader parameters to keep the permutations simpler
 832 // these can NOT degrade! only use for simple stuff
 833 enum
 834 {
 835         SHADERSTATICPARM_SATURATION_REDCOMPENSATE = 0, ///< red compensation filter for saturation
 836         SHADERSTATICPARM_EXACTSPECULARMATH = 1, ///< (lightsource or deluxemapping) use exact reflection map for specular effects, as opposed to the usual OpenGL approximation
 837         SHADERSTATICPARM_POSTPROCESS_USERVEC1 = 2, ///< postprocess uservec1 is enabled
 838         SHADERSTATICPARM_POSTPROCESS_USERVEC2 = 3, ///< postprocess uservec2 is enabled
 839         SHADERSTATICPARM_POSTPROCESS_USERVEC3 = 4, ///< postprocess uservec3 is enabled
 840         SHADERSTATICPARM_POSTPROCESS_USERVEC4 = 5,  ///< postprocess uservec4 is enabled
 841         SHADERSTATICPARM_VERTEXTEXTUREBLEND_USEBOTHALPHAS = 6, // use both alpha layers while blending materials, allows more advanced microblending
 842         SHADERSTATICPARM_OFFSETMAPPING_USELOD = 7,  ///< LOD for offsetmapping
 843         SHADERSTATICPARM_SHADOWMAPPCF_1 = 8, ///< PCF 1
 844         SHADERSTATICPARM_SHADOWMAPPCF_2 = 9, ///< PCF 2
 845         SHADERSTATICPARM_SHADOWSAMPLER = 10, ///< sampler
 846         SHADERSTATICPARM_CELSHADING = 11, ///< celshading (alternative diffuse and specular math)
 847         SHADERSTATICPARM_CELOUTLINES = 12, ///< celoutline (depth buffer analysis to produce outlines)
 848         SHADERSTATICPARM_FXAA = 13, ///< fast approximate anti aliasing
 849         SHADERSTATICPARM_COLORFRINGE = 14 ///< colorfringe (chromatic aberration)
 850 };
 851 #define SHADERSTATICPARMS_COUNT 15
 852
 853 static const char *shaderstaticparmstrings_list[SHADERSTATICPARMS_COUNT];
 854 static int shaderstaticparms_count = 0;
 855
 856 static unsigned int r_compileshader_staticparms[(SHADERSTATICPARMS_COUNT + 0x1F) >> 5] = {0};
 857 #define R_COMPILESHADER_STATICPARM_ENABLE(p) r_compileshader_staticparms[(p) >> 5] |= (1 << ((p) & 0x1F))
 858
 859 extern qbool r_shadow_shadowmapsampler;
 860 extern int r_shadow_shadowmappcf;
 861 qbool R_CompileShader_CheckStaticParms(void)
 862 {
 863         static int r_compileshader_staticparms_save[(SHADERSTATICPARMS_COUNT + 0x1F) >> 5];
 864         memcpy(r_compileshader_staticparms_save, r_compileshader_staticparms, sizeof(r_compileshader_staticparms));
 865         memset(r_compileshader_staticparms, 0, sizeof(r_compileshader_staticparms));
 866
 867         // detect all
 868         if (r_glsl_saturation_redcompensate.integer)
 869                 R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_SATURATION_REDCOMPENSATE);
 870         if (r_glsl_vertextextureblend_usebothalphas.integer)
 871                 R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_VERTEXTEXTUREBLEND_USEBOTHALPHAS);
 872         if (r_shadow_glossexact.integer)
 873                 R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_EXACTSPECULARMATH);
 874         if (r_glsl_postprocess.integer)
 875         {
 876                 if (r_glsl_postprocess_uservec1_enable.integer)
 877                         R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_POSTPROCESS_USERVEC1);
 878                 if (r_glsl_postprocess_uservec2_enable.integer)
 879                         R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_POSTPROCESS_USERVEC2);
 880                 if (r_glsl_postprocess_uservec3_enable.integer)
 881                         R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_POSTPROCESS_USERVEC3);
 882                 if (r_glsl_postprocess_uservec4_enable.integer)
 883                         R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_POSTPROCESS_USERVEC4);
 884         }
 885         if (r_fxaa.integer)
 886                 R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_FXAA);
 887         if (r_glsl_offsetmapping_lod.integer && r_glsl_offsetmapping_lod_distance.integer > 0)
 888                 R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_OFFSETMAPPING_USELOD);
 889
 890         if (r_shadow_shadowmapsampler)
 891                 R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_SHADOWSAMPLER);
 892         if (r_shadow_shadowmappcf > 1)
 893                 R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_SHADOWMAPPCF_2);
 894         else if (r_shadow_shadowmappcf)
 895                 R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_SHADOWMAPPCF_1);
 896         if (r_celshading.integer)
 897                 R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_CELSHADING);
 898         if (r_celoutlines.integer)
 899                 R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_CELOUTLINES);
 900         if (r_colorfringe.value)
 901                 R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_COLORFRINGE);
 902
 903         return memcmp(r_compileshader_staticparms, r_compileshader_staticparms_save, sizeof(r_compileshader_staticparms)) != 0;
 904 }
 905
 906 #define R_COMPILESHADER_STATICPARM_EMIT(p, n) \
 907         if(r_compileshader_staticparms[(p) >> 5] & (1 << ((p) & 0x1F))) \
 908                 shaderstaticparmstrings_list[shaderstaticparms_count++] = "#define " n "\n"; \
 909         else \
 910                 shaderstaticparmstrings_list[shaderstaticparms_count++] = "\n"
 911 static void R_CompileShader_AddStaticParms(unsigned int mode, uint64_t permutation)
 912 {
 913         shaderstaticparms_count = 0;
 914
 915         // emit all
 916         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_SATURATION_REDCOMPENSATE, "SATURATION_REDCOMPENSATE");
 917         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_EXACTSPECULARMATH, "USEEXACTSPECULARMATH");
 918         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_POSTPROCESS_USERVEC1, "USERVEC1");
 919         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_POSTPROCESS_USERVEC2, "USERVEC2");
 920         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_POSTPROCESS_USERVEC3, "USERVEC3");
 921         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_POSTPROCESS_USERVEC4, "USERVEC4");
 922         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_VERTEXTEXTUREBLEND_USEBOTHALPHAS, "USEBOTHALPHAS");
 923         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_OFFSETMAPPING_USELOD, "USEOFFSETMAPPING_LOD");
 924         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_SHADOWMAPPCF_1, "USESHADOWMAPPCF 1");
 925         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_SHADOWMAPPCF_2, "USESHADOWMAPPCF 2");
 926         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_SHADOWSAMPLER, "USESHADOWSAMPLER");
 927         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_CELSHADING, "USECELSHADING");
 928         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_CELOUTLINES, "USECELOUTLINES");
 929         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_FXAA, "USEFXAA");
 930         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_COLORFRINGE, "USECOLORFRINGE");
 931 }
 932
 933 /// information about each possible shader permutation
 934 r_glsl_permutation_t *r_glsl_permutationhash[SHADERMODE_COUNT][SHADERPERMUTATION_HASHSIZE];
 935 /// currently selected permutation
 936 r_glsl_permutation_t *r_glsl_permutation;
 937 /// storage for permutations linked in the hash table
 938 memexpandablearray_t r_glsl_permutationarray;
 939
 940 static r_glsl_permutation_t *R_GLSL_FindPermutation(unsigned int mode, uint64_t permutation)
 941 {
 942         //unsigned int hashdepth = 0;
 943         unsigned int hashindex = (permutation * 0x1021) & (SHADERPERMUTATION_HASHSIZE - 1);
 944         r_glsl_permutation_t *p;
 945         for (p = r_glsl_permutationhash[mode][hashindex];p;p = p->hashnext)
 946         {
 947                 if (p->mode == mode && p->permutation == permutation)
 948                 {
 949                         //if (hashdepth > 10)
 950                         //      Con_Printf("R_GLSL_FindPermutation: Warning: %i:%i has hashdepth %i\n", mode, permutation, hashdepth);
 951                         return p;
 952                 }
 953                 //hashdepth++;
 954         }
 955         p = (r_glsl_permutation_t*)Mem_ExpandableArray_AllocRecord(&r_glsl_permutationarray);
 956         p->mode = mode;
 957         p->permutation = permutation;
 958         p->hashnext = r_glsl_permutationhash[mode][hashindex];
 959         r_glsl_permutationhash[mode][hashindex] = p;
 960         //if (hashdepth > 10)
 961         //      Con_Printf("R_GLSL_FindPermutation: Warning: %i:%i has hashdepth %i\n", mode, permutation, hashdepth);
 962         return p;
 963 }
 964
 965 static char *R_ShaderStrCat(const char **strings)
 966 {
 967         char *string, *s;
 968         const char **p = strings;
 969         const char *t;
 970         size_t len = 0;
 971         for (p = strings;(t = *p);p++)
 972                 len += strlen(t);
 973         len++;
 974         s = string = (char *)Mem_Alloc(r_main_mempool, len);
 975         len = 0;
 976         for (p = strings;(t = *p);p++)
 977         {
 978                 len = strlen(t);
 979                 memcpy(s, t, len);
 980                 s += len;
 981         }
 982         *s = 0;
 983         return string;
 984 }
 985
 986 static char *R_ShaderStrCat(const char **strings);
 987 static void R_InitShaderModeInfo(void)
 988 {
 989         int i, language;
 990         shadermodeinfo_t *modeinfo;
 991         // we have a bunch of things to compute that weren't calculated at engine compile time - all filenames should have a crc of the builtin strings to prevent accidental overrides (any customization must be updated to match engine)
 992         for (language = 0; language < SHADERLANGUAGE_COUNT; language++)
 993         {
 994                 for (i = 0; i < SHADERMODE_COUNT; i++)
 995                 {
 996                         char filename[MAX_QPATH];
 997                         modeinfo = &shadermodeinfo[language][i];
 998                         modeinfo->builtinstring = R_ShaderStrCat(modeinfo->builtinshaderstrings);
 999                         modeinfo->builtincrc = CRC_Block((const unsigned char *)modeinfo->builtinstring, strlen(modeinfo->builtinstring));
1000                         dpsnprintf(filename, sizeof(filename), "%s/%s_crc%i.%s", modeinfo->extension, modeinfo->sourcebasename, modeinfo->builtincrc, modeinfo->extension);
1001                         modeinfo->filename = Mem_strdup(r_main_mempool, filename);
1002                 }
1003         }
1004 }
1005
1006 static char *ShaderModeInfo_GetShaderText(shadermodeinfo_t *modeinfo, qbool printfromdisknotice, qbool builtinonly)
1007 {
1008         char *shaderstring;
1009         // if the mode has no filename we have to return the builtin string
1010         if (builtinonly || !modeinfo->filename)
1011                 return Mem_strdup(r_main_mempool, modeinfo->builtinstring);
1012         // note that FS_LoadFile appends a 0 byte to make it a valid string
1013         shaderstring = (char *)FS_LoadFile(modeinfo->filename, r_main_mempool, false, NULL);
1014         if (shaderstring)
1015         {
1016                 if (printfromdisknotice)
1017                         Con_DPrintf("Loading shaders from file %s...\n", modeinfo->filename);
1018                 return shaderstring;
1019         }
1020         // fall back to builtinstring
1021         return Mem_strdup(r_main_mempool, modeinfo->builtinstring);
1022 }
1023
1024 static void R_GLSL_CompilePermutation(r_glsl_permutation_t *p, unsigned int mode, uint64_t permutation)
1025 {
1026         unsigned i;
1027         int ubibind;
1028         int sampler;
1029         shadermodeinfo_t *modeinfo = &shadermodeinfo[SHADERLANGUAGE_GLSL][mode];
1030         char *sourcestring;
1031         char permutationname[256];
1032         int vertstrings_count = 0;
1033         int geomstrings_count = 0;
1034         int fragstrings_count = 0;
1035         const char *vertstrings_list[32+5+SHADERSTATICPARMS_COUNT+1];
1036         const char *geomstrings_list[32+5+SHADERSTATICPARMS_COUNT+1];
1037         const char *fragstrings_list[32+5+SHADERSTATICPARMS_COUNT+1];
1038
1039         if (p->compiled)
1040                 return;
1041         p->compiled = true;
1042         p->program = 0;
1043
1044         permutationname[0] = 0;
1045         sourcestring = ShaderModeInfo_GetShaderText(modeinfo, true, false);
1046
1047         dp_strlcat(permutationname, modeinfo->filename, sizeof(permutationname));
1048
1049         // we need 140 for r_glsl_skeletal (GL_ARB_uniform_buffer_object)
1050         if(vid.support.glshaderversion >= 140)
1051         {
1052                 vertstrings_list[vertstrings_count++] = "#version 140\n";
1053                 geomstrings_list[geomstrings_count++] = "#version 140\n";
1054                 fragstrings_list[fragstrings_count++] = "#version 140\n";
1055                 vertstrings_list[vertstrings_count++] = "#define GLSL140\n";
1056                 geomstrings_list[geomstrings_count++] = "#define GLSL140\n";
1057                 fragstrings_list[fragstrings_count++] = "#define GLSL140\n";
1058         }
1059         // if we can do #version 130, we should (this improves quality of offset/reliefmapping thanks to textureGrad)
1060         else if(vid.support.glshaderversion >= 130)
1061         {
1062                 vertstrings_list[vertstrings_count++] = "#version 130\n";
1063                 geomstrings_list[geomstrings_count++] = "#version 130\n";
1064                 fragstrings_list[fragstrings_count++] = "#version 130\n";
1065                 vertstrings_list[vertstrings_count++] = "#define GLSL130\n";
1066                 geomstrings_list[geomstrings_count++] = "#define GLSL130\n";
1067                 fragstrings_list[fragstrings_count++] = "#define GLSL130\n";
1068         }
1069         // if we can do #version 120, we should (this adds the invariant keyword)
1070         else if(vid.support.glshaderversion >= 120)
1071         {
1072                 vertstrings_list[vertstrings_count++] = "#version 120\n";
1073                 geomstrings_list[geomstrings_count++] = "#version 120\n";
1074                 fragstrings_list[fragstrings_count++] = "#version 120\n";
1075                 vertstrings_list[vertstrings_count++] = "#define GLSL120\n";
1076                 geomstrings_list[geomstrings_count++] = "#define GLSL120\n";
1077                 fragstrings_list[fragstrings_count++] = "#define GLSL120\n";
1078         }
1079         // GLES also adds several things from GLSL120
1080         switch(vid.renderpath)
1081         {
1082         case RENDERPATH_GLES2:
1083                 vertstrings_list[vertstrings_count++] = "#define GLES\n";
1084                 geomstrings_list[geomstrings_count++] = "#define GLES\n";
1085                 fragstrings_list[fragstrings_count++] = "#define GLES\n";
1086                 break;
1087         default:
1088                 break;
1089         }
1090
1091         // the first pretext is which type of shader to compile as
1092         // (later these will all be bound together as a program object)
1093         vertstrings_list[vertstrings_count++] = "#define VERTEX_SHADER\n";
1094         geomstrings_list[geomstrings_count++] = "#define GEOMETRY_SHADER\n";
1095         fragstrings_list[fragstrings_count++] = "#define FRAGMENT_SHADER\n";
1096
1097         // the second pretext is the mode (for example a light source)
1098         vertstrings_list[vertstrings_count++] = modeinfo->pretext;
1099         geomstrings_list[geomstrings_count++] = modeinfo->pretext;
1100         fragstrings_list[fragstrings_count++] = modeinfo->pretext;
1101         dp_strlcat(permutationname, modeinfo->name, sizeof(permutationname));
1102
1103         // now add all the permutation pretexts
1104         for (i = 0;i < SHADERPERMUTATION_COUNT;i++)
1105         {
1106                 if (permutation & (1ll<<i))
1107                 {
1108                         vertstrings_list[vertstrings_count++] = shaderpermutationinfo[i].pretext;
1109                         geomstrings_list[geomstrings_count++] = shaderpermutationinfo[i].pretext;
1110                         fragstrings_list[fragstrings_count++] = shaderpermutationinfo[i].pretext;
1111                         dp_strlcat(permutationname, shaderpermutationinfo[i].name, sizeof(permutationname));
1112                 }
1113                 else
1114                 {
1115                         // keep line numbers correct
1116                         vertstrings_list[vertstrings_count++] = "\n";
1117                         geomstrings_list[geomstrings_count++] = "\n";
1118                         fragstrings_list[fragstrings_count++] = "\n";
1119                 }
1120         }
1121
1122         // add static parms
1123         R_CompileShader_AddStaticParms(mode, permutation);
1124         memcpy((char *)(vertstrings_list + vertstrings_count), shaderstaticparmstrings_list, sizeof(*vertstrings_list) * shaderstaticparms_count);
1125         vertstrings_count += shaderstaticparms_count;
1126         memcpy((char *)(geomstrings_list + geomstrings_count), shaderstaticparmstrings_list, sizeof(*vertstrings_list) * shaderstaticparms_count);
1127         geomstrings_count += shaderstaticparms_count;
1128         memcpy((char *)(fragstrings_list + fragstrings_count), shaderstaticparmstrings_list, sizeof(*vertstrings_list) * shaderstaticparms_count);
1129         fragstrings_count += shaderstaticparms_count;
1130
1131         // now append the shader text itself
1132         vertstrings_list[vertstrings_count++] = sourcestring;
1133         geomstrings_list[geomstrings_count++] = sourcestring;
1134         fragstrings_list[fragstrings_count++] = sourcestring;
1135
1136         // we don't currently use geometry shaders for anything, so just empty the list
1137         geomstrings_count = 0;
1138
1139         // compile the shader program
1140         if (vertstrings_count + geomstrings_count + fragstrings_count)
1141                 p->program = GL_Backend_CompileProgram(vertstrings_count, vertstrings_list, geomstrings_count, geomstrings_list, fragstrings_count, fragstrings_list);
1142         if (p->program)
1143         {
1144                 CHECKGLERROR
1145                 qglUseProgram(p->program);CHECKGLERROR
1146                 // look up all the uniform variable names we care about, so we don't
1147                 // have to look them up every time we set them
1148
1149 #if 0
1150                 // debugging aid
1151                 {
1152                         GLint activeuniformindex = 0;
1153                         GLint numactiveuniforms = 0;
1154                         char uniformname[128];
1155                         GLsizei uniformnamelength = 0;
1156                         GLint uniformsize = 0;
1157                         GLenum uniformtype = 0;
1158                         memset(uniformname, 0, sizeof(uniformname));
1159                         qglGetProgramiv(p->program, GL_ACTIVE_UNIFORMS, &numactiveuniforms);
1160                         Con_Printf("Shader has %i uniforms\n", numactiveuniforms);
1161                         for (activeuniformindex = 0;activeuniformindex < numactiveuniforms;activeuniformindex++)
1162                         {
1163                                 qglGetActiveUniform(p->program, activeuniformindex, sizeof(uniformname) - 1, &uniformnamelength, &uniformsize, &uniformtype, uniformname);
1164                                 Con_Printf("Uniform %i name \"%s\" size %i type %i\n", (int)activeuniformindex, uniformname, (int)uniformsize, (int)uniformtype);
1165                         }
1166                 }
1167 #endif
1168
1169                 p->loc_Texture_First              = qglGetUniformLocation(p->program, "Texture_First");
1170                 p->loc_Texture_Second             = qglGetUniformLocation(p->program, "Texture_Second");
1171                 p->loc_Texture_GammaRamps         = qglGetUniformLocation(p->program, "Texture_GammaRamps");
1172                 p->loc_Texture_Normal             = qglGetUniformLocation(p->program, "Texture_Normal");
1173                 p->loc_Texture_Color              = qglGetUniformLocation(p->program, "Texture_Color");
1174                 p->loc_Texture_Gloss              = qglGetUniformLocation(p->program, "Texture_Gloss");
1175                 p->loc_Texture_Glow               = qglGetUniformLocation(p->program, "Texture_Glow");
1176                 p->loc_Texture_SecondaryNormal    = qglGetUniformLocation(p->program, "Texture_SecondaryNormal");
1177                 p->loc_Texture_SecondaryColor     = qglGetUniformLocation(p->program, "Texture_SecondaryColor");
1178                 p->loc_Texture_SecondaryGloss     = qglGetUniformLocation(p->program, "Texture_SecondaryGloss");
1179                 p->loc_Texture_SecondaryGlow      = qglGetUniformLocation(p->program, "Texture_SecondaryGlow");
1180                 p->loc_Texture_Pants              = qglGetUniformLocation(p->program, "Texture_Pants");
1181                 p->loc_Texture_Shirt              = qglGetUniformLocation(p->program, "Texture_Shirt");
1182                 p->loc_Texture_FogHeightTexture   = qglGetUniformLocation(p->program, "Texture_FogHeightTexture");
1183                 p->loc_Texture_FogMask            = qglGetUniformLocation(p->program, "Texture_FogMask");
1184                 p->loc_Texture_LightGrid          = qglGetUniformLocation(p->program, "Texture_LightGrid");
1185                 p->loc_Texture_Lightmap           = qglGetUniformLocation(p->program, "Texture_Lightmap");
1186                 p->loc_Texture_Deluxemap          = qglGetUniformLocation(p->program, "Texture_Deluxemap");
1187                 p->loc_Texture_Attenuation        = qglGetUniformLocation(p->program, "Texture_Attenuation");
1188                 p->loc_Texture_Cube               = qglGetUniformLocation(p->program, "Texture_Cube");
1189                 p->loc_Texture_Refraction         = qglGetUniformLocation(p->program, "Texture_Refraction");
1190                 p->loc_Texture_Reflection         = qglGetUniformLocation(p->program, "Texture_Reflection");
1191                 p->loc_Texture_ShadowMap2D        = qglGetUniformLocation(p->program, "Texture_ShadowMap2D");
1192                 p->loc_Texture_CubeProjection     = qglGetUniformLocation(p->program, "Texture_CubeProjection");
1193                 p->loc_Texture_ScreenNormalMap    = qglGetUniformLocation(p->program, "Texture_ScreenNormalMap");
1194                 p->loc_Texture_ScreenDiffuse      = qglGetUniformLocation(p->program, "Texture_ScreenDiffuse");
1195                 p->loc_Texture_ScreenSpecular     = qglGetUniformLocation(p->program, "Texture_ScreenSpecular");
1196                 p->loc_Texture_ReflectMask        = qglGetUniformLocation(p->program, "Texture_ReflectMask");
1197                 p->loc_Texture_ReflectCube        = qglGetUniformLocation(p->program, "Texture_ReflectCube");
1198                 p->loc_Texture_BounceGrid         = qglGetUniformLocation(p->program, "Texture_BounceGrid");
1199                 p->loc_Alpha                      = qglGetUniformLocation(p->program, "Alpha");
1200                 p->loc_BloomBlur_Parameters       = qglGetUniformLocation(p->program, "BloomBlur_Parameters");
1201                 p->loc_ClientTime                 = qglGetUniformLocation(p->program, "ClientTime");
1202                 p->loc_Color_Ambient              = qglGetUniformLocation(p->program, "Color_Ambient");
1203                 p->loc_Color_Diffuse              = qglGetUniformLocation(p->program, "Color_Diffuse");
1204                 p->loc_Color_Specular             = qglGetUniformLocation(p->program, "Color_Specular");
1205                 p->loc_Color_Glow                 = qglGetUniformLocation(p->program, "Color_Glow");
1206                 p->loc_Color_Pants                = qglGetUniformLocation(p->program, "Color_Pants");
1207                 p->loc_Color_Shirt                = qglGetUniformLocation(p->program, "Color_Shirt");
1208                 p->loc_DeferredColor_Ambient      = qglGetUniformLocation(p->program, "DeferredColor_Ambient");
1209                 p->loc_DeferredColor_Diffuse      = qglGetUniformLocation(p->program, "DeferredColor_Diffuse");
1210                 p->loc_DeferredColor_Specular     = qglGetUniformLocation(p->program, "DeferredColor_Specular");
1211                 p->loc_DeferredMod_Diffuse        = qglGetUniformLocation(p->program, "DeferredMod_Diffuse");
1212                 p->loc_DeferredMod_Specular       = qglGetUniformLocation(p->program, "DeferredMod_Specular");
1213                 p->loc_DistortScaleRefractReflect = qglGetUniformLocation(p->program, "DistortScaleRefractReflect");
1214                 p->loc_EyePosition                = qglGetUniformLocation(p->program, "EyePosition");
1215                 p->loc_FogColor                   = qglGetUniformLocation(p->program, "FogColor");
1216                 p->loc_FogHeightFade              = qglGetUniformLocation(p->program, "FogHeightFade");
1217                 p->loc_FogPlane                   = qglGetUniformLocation(p->program, "FogPlane");
1218                 p->loc_FogPlaneViewDist           = qglGetUniformLocation(p->program, "FogPlaneViewDist");
1219                 p->loc_FogRangeRecip              = qglGetUniformLocation(p->program, "FogRangeRecip");
1220                 p->loc_LightColor                 = qglGetUniformLocation(p->program, "LightColor");
1221                 p->loc_LightGridMatrix            = qglGetUniformLocation(p->program, "LightGridMatrix");
1222                 p->loc_LightGridNormalMatrix      = qglGetUniformLocation(p->program, "LightGridNormalMatrix");
1223                 p->loc_LightDir                   = qglGetUniformLocation(p->program, "LightDir");
1224                 p->loc_LightPosition              = qglGetUniformLocation(p->program, "LightPosition");
1225                 p->loc_OffsetMapping_ScaleSteps   = qglGetUniformLocation(p->program, "OffsetMapping_ScaleSteps");
1226                 p->loc_OffsetMapping_LodDistance  = qglGetUniformLocation(p->program, "OffsetMapping_LodDistance");
1227                 p->loc_OffsetMapping_Bias         = qglGetUniformLocation(p->program, "OffsetMapping_Bias");
1228                 p->loc_PixelSize                  = qglGetUniformLocation(p->program, "PixelSize");
1229                 p->loc_ReflectColor               = qglGetUniformLocation(p->program, "ReflectColor");
1230                 p->loc_ReflectFactor              = qglGetUniformLocation(p->program, "ReflectFactor");
1231                 p->loc_ReflectOffset              = qglGetUniformLocation(p->program, "ReflectOffset");
1232                 p->loc_RefractColor               = qglGetUniformLocation(p->program, "RefractColor");
1233                 p->loc_Saturation                 = qglGetUniformLocation(p->program, "Saturation");
1234                 p->loc_ScreenCenterRefractReflect = qglGetUniformLocation(p->program, "ScreenCenterRefractReflect");
1235                 p->loc_ScreenScaleRefractReflect  = qglGetUniformLocation(p->program, "ScreenScaleRefractReflect");
1236                 p->loc_ScreenToDepth              = qglGetUniformLocation(p->program, "ScreenToDepth");
1237                 p->loc_ShadowMap_Parameters       = qglGetUniformLocation(p->program, "ShadowMap_Parameters");
1238                 p->loc_ShadowMap_TextureScale     = qglGetUniformLocation(p->program, "ShadowMap_TextureScale");
1239                 p->loc_SpecularPower              = qglGetUniformLocation(p->program, "SpecularPower");
1240                 p->loc_UserVec1                   = qglGetUniformLocation(p->program, "UserVec1");
1241                 p->loc_UserVec2                   = qglGetUniformLocation(p->program, "UserVec2");
1242                 p->loc_UserVec3                   = qglGetUniformLocation(p->program, "UserVec3");
1243                 p->loc_UserVec4                   = qglGetUniformLocation(p->program, "UserVec4");
1244                 p->loc_ColorFringe                = qglGetUniformLocation(p->program, "ColorFringe");
1245                 p->loc_ViewTintColor              = qglGetUniformLocation(p->program, "ViewTintColor");
1246                 p->loc_ViewToLight                = qglGetUniformLocation(p->program, "ViewToLight");
1247                 p->loc_ModelToLight               = qglGetUniformLocation(p->program, "ModelToLight");
1248                 p->loc_TexMatrix                  = qglGetUniformLocation(p->program, "TexMatrix");
1249                 p->loc_BackgroundTexMatrix        = qglGetUniformLocation(p->program, "BackgroundTexMatrix");
1250                 p->loc_ModelViewMatrix            = qglGetUniformLocation(p->program, "ModelViewMatrix");
1251                 p->loc_ModelViewProjectionMatrix  = qglGetUniformLocation(p->program, "ModelViewProjectionMatrix");
1252                 p->loc_PixelToScreenTexCoord      = qglGetUniformLocation(p->program, "PixelToScreenTexCoord");
1253                 p->loc_ModelToReflectCube         = qglGetUniformLocation(p->program, "ModelToReflectCube");
1254                 p->loc_ShadowMapMatrix            = qglGetUniformLocation(p->program, "ShadowMapMatrix");
1255                 p->loc_BloomColorSubtract         = qglGetUniformLocation(p->program, "BloomColorSubtract");
1256                 p->loc_NormalmapScrollBlend       = qglGetUniformLocation(p->program, "NormalmapScrollBlend");
1257                 p->loc_BounceGridMatrix           = qglGetUniformLocation(p->program, "BounceGridMatrix");
1258                 p->loc_BounceGridIntensity        = qglGetUniformLocation(p->program, "BounceGridIntensity");
1259                 // initialize the samplers to refer to the texture units we use
1260                 p->tex_Texture_First = -1;
1261                 p->tex_Texture_Second = -1;
1262                 p->tex_Texture_GammaRamps = -1;
1263                 p->tex_Texture_Normal = -1;
1264                 p->tex_Texture_Color = -1;
1265                 p->tex_Texture_Gloss = -1;
1266                 p->tex_Texture_Glow = -1;
1267                 p->tex_Texture_SecondaryNormal = -1;
1268                 p->tex_Texture_SecondaryColor = -1;
1269                 p->tex_Texture_SecondaryGloss = -1;
1270                 p->tex_Texture_SecondaryGlow = -1;
1271                 p->tex_Texture_Pants = -1;
1272                 p->tex_Texture_Shirt = -1;
1273                 p->tex_Texture_FogHeightTexture = -1;
1274                 p->tex_Texture_FogMask = -1;
1275                 p->tex_Texture_LightGrid = -1;
1276                 p->tex_Texture_Lightmap = -1;
1277                 p->tex_Texture_Deluxemap = -1;
1278                 p->tex_Texture_Attenuation = -1;
1279                 p->tex_Texture_Cube = -1;
1280                 p->tex_Texture_Refraction = -1;
1281                 p->tex_Texture_Reflection = -1;
1282                 p->tex_Texture_ShadowMap2D = -1;
1283                 p->tex_Texture_CubeProjection = -1;
1284                 p->tex_Texture_ScreenNormalMap = -1;
1285                 p->tex_Texture_ScreenDiffuse = -1;
1286                 p->tex_Texture_ScreenSpecular = -1;
1287                 p->tex_Texture_ReflectMask = -1;
1288                 p->tex_Texture_ReflectCube = -1;
1289                 p->tex_Texture_BounceGrid = -1;
1290                 // bind the texture samplers in use
1291                 sampler = 0;
1292                 if (p->loc_Texture_First           >= 0) {p->tex_Texture_First            = sampler;qglUniform1i(p->loc_Texture_First           , sampler);sampler++;}
1293                 if (p->loc_Texture_Second          >= 0) {p->tex_Texture_Second           = sampler;qglUniform1i(p->loc_Texture_Second          , sampler);sampler++;}
1294                 if (p->loc_Texture_GammaRamps      >= 0) {p->tex_Texture_GammaRamps       = sampler;qglUniform1i(p->loc_Texture_GammaRamps      , sampler);sampler++;}
1295                 if (p->loc_Texture_Normal          >= 0) {p->tex_Texture_Normal           = sampler;qglUniform1i(p->loc_Texture_Normal          , sampler);sampler++;}
1296                 if (p->loc_Texture_Color           >= 0) {p->tex_Texture_Color            = sampler;qglUniform1i(p->loc_Texture_Color           , sampler);sampler++;}
1297                 if (p->loc_Texture_Gloss           >= 0) {p->tex_Texture_Gloss            = sampler;qglUniform1i(p->loc_Texture_Gloss           , sampler);sampler++;}
1298                 if (p->loc_Texture_Glow            >= 0) {p->tex_Texture_Glow             = sampler;qglUniform1i(p->loc_Texture_Glow            , sampler);sampler++;}
1299                 if (p->loc_Texture_SecondaryNormal >= 0) {p->tex_Texture_SecondaryNormal  = sampler;qglUniform1i(p->loc_Texture_SecondaryNormal , sampler);sampler++;}
1300                 if (p->loc_Texture_SecondaryColor  >= 0) {p->tex_Texture_SecondaryColor   = sampler;qglUniform1i(p->loc_Texture_SecondaryColor  , sampler);sampler++;}
1301                 if (p->loc_Texture_SecondaryGloss  >= 0) {p->tex_Texture_SecondaryGloss   = sampler;qglUniform1i(p->loc_Texture_SecondaryGloss  , sampler);sampler++;}
1302                 if (p->loc_Texture_SecondaryGlow   >= 0) {p->tex_Texture_SecondaryGlow    = sampler;qglUniform1i(p->loc_Texture_SecondaryGlow   , sampler);sampler++;}
1303                 if (p->loc_Texture_Pants           >= 0) {p->tex_Texture_Pants            = sampler;qglUniform1i(p->loc_Texture_Pants           , sampler);sampler++;}
1304                 if (p->loc_Texture_Shirt           >= 0) {p->tex_Texture_Shirt            = sampler;qglUniform1i(p->loc_Texture_Shirt           , sampler);sampler++;}
1305                 if (p->loc_Texture_FogHeightTexture>= 0) {p->tex_Texture_FogHeightTexture = sampler;qglUniform1i(p->loc_Texture_FogHeightTexture, sampler);sampler++;}
1306                 if (p->loc_Texture_FogMask         >= 0) {p->tex_Texture_FogMask          = sampler;qglUniform1i(p->loc_Texture_FogMask         , sampler);sampler++;}
1307                 if (p->loc_Texture_LightGrid       >= 0) {p->tex_Texture_LightGrid        = sampler;qglUniform1i(p->loc_Texture_LightGrid       , sampler);sampler++;}
1308                 if (p->loc_Texture_Lightmap        >= 0) {p->tex_Texture_Lightmap         = sampler;qglUniform1i(p->loc_Texture_Lightmap        , sampler);sampler++;}
1309                 if (p->loc_Texture_Deluxemap       >= 0) {p->tex_Texture_Deluxemap        = sampler;qglUniform1i(p->loc_Texture_Deluxemap       , sampler);sampler++;}
1310                 if (p->loc_Texture_Attenuation     >= 0) {p->tex_Texture_Attenuation      = sampler;qglUniform1i(p->loc_Texture_Attenuation     , sampler);sampler++;}
1311                 if (p->loc_Texture_Cube            >= 0) {p->tex_Texture_Cube             = sampler;qglUniform1i(p->loc_Texture_Cube            , sampler);sampler++;}
1312                 if (p->loc_Texture_Refraction      >= 0) {p->tex_Texture_Refraction       = sampler;qglUniform1i(p->loc_Texture_Refraction      , sampler);sampler++;}
1313                 if (p->loc_Texture_Reflection      >= 0) {p->tex_Texture_Reflection       = sampler;qglUniform1i(p->loc_Texture_Reflection      , sampler);sampler++;}
1314                 if (p->loc_Texture_ShadowMap2D     >= 0) {p->tex_Texture_ShadowMap2D      = sampler;qglUniform1i(p->loc_Texture_ShadowMap2D     , sampler);sampler++;}
1315                 if (p->loc_Texture_CubeProjection  >= 0) {p->tex_Texture_CubeProjection   = sampler;qglUniform1i(p->loc_Texture_CubeProjection  , sampler);sampler++;}
1316                 if (p->loc_Texture_ScreenNormalMap >= 0) {p->tex_Texture_ScreenNormalMap  = sampler;qglUniform1i(p->loc_Texture_ScreenNormalMap , sampler);sampler++;}
1317                 if (p->loc_Texture_ScreenDiffuse   >= 0) {p->tex_Texture_ScreenDiffuse    = sampler;qglUniform1i(p->loc_Texture_ScreenDiffuse   , sampler);sampler++;}
1318                 if (p->loc_Texture_ScreenSpecular  >= 0) {p->tex_Texture_ScreenSpecular   = sampler;qglUniform1i(p->loc_Texture_ScreenSpecular  , sampler);sampler++;}
1319                 if (p->loc_Texture_ReflectMask     >= 0) {p->tex_Texture_ReflectMask      = sampler;qglUniform1i(p->loc_Texture_ReflectMask     , sampler);sampler++;}
1320                 if (p->loc_Texture_ReflectCube     >= 0) {p->tex_Texture_ReflectCube      = sampler;qglUniform1i(p->loc_Texture_ReflectCube     , sampler);sampler++;}
1321                 if (p->loc_Texture_BounceGrid      >= 0) {p->tex_Texture_BounceGrid       = sampler;qglUniform1i(p->loc_Texture_BounceGrid      , sampler);sampler++;}
1322                 // get the uniform block indices so we can bind them
1323                 p->ubiloc_Skeletal_Transform12_UniformBlock = -1;
1324 #ifndef USE_GLES2 /* FIXME: GLES3 only */
1325                 p->ubiloc_Skeletal_Transform12_UniformBlock = qglGetUniformBlockIndex(p->program, "Skeletal_Transform12_UniformBlock");
1326 #endif
1327                 // clear the uniform block bindings
1328                 p->ubibind_Skeletal_Transform12_UniformBlock = -1;
1329                 // bind the uniform blocks in use
1330                 ubibind = 0;
1331 #ifndef USE_GLES2 /* FIXME: GLES3 only */
1332                 if (p->ubiloc_Skeletal_Transform12_UniformBlock >= 0) {p->ubibind_Skeletal_Transform12_UniformBlock = ubibind;qglUniformBlockBinding(p->program, p->ubiloc_Skeletal_Transform12_UniformBlock, ubibind);ubibind++;}
1333 #endif
1334                 // we're done compiling and setting up the shader, at least until it is used
1335                 CHECKGLERROR
1336                 Con_DPrintf("^5GLSL shader %s compiled (%i textures).\n", permutationname, sampler);
1337         }
1338         else
1339                 Con_Printf("^1GLSL shader %s failed!  some features may not work properly.\n", permutationname);
1340
1341         // free the strings
1342         if (sourcestring)
1343                 Mem_Free(sourcestring);
1344 }
1345
1346 static void R_SetupShader_SetPermutationGLSL(unsigned int mode, uint64_t permutation)
1347 {
1348         r_glsl_permutation_t *perm = R_GLSL_FindPermutation(mode, permutation);
1349         if (r_glsl_permutation != perm)
1350         {
1351                 r_glsl_permutation = perm;
1352                 if (!r_glsl_permutation->program)
1353                 {
1354                         if (!r_glsl_permutation->compiled)
1355                         {
1356                                 Con_DPrintf("Compiling shader mode %u permutation %" PRIx64 "\n", mode, permutation);
1357                                 R_GLSL_CompilePermutation(perm, mode, permutation);
1358                         }
1359                         if (!r_glsl_permutation->program)
1360                         {
1361                                 // remove features until we find a valid permutation
1362                                 unsigned i;
1363                                 for (i = 0;i < SHADERPERMUTATION_COUNT;i++)
1364                                 {
1365                                         // reduce i more quickly whenever it would not remove any bits
1366                                         uint64_t j = 1ll<<(SHADERPERMUTATION_COUNT-1-i);
1367                                         if (!(permutation & j))
1368                                                 continue;
1369                                         permutation -= j;
1370                                         r_glsl_permutation = R_GLSL_FindPermutation(mode, permutation);
1371                                         if (!r_glsl_permutation->compiled)
1372                                                 R_GLSL_CompilePermutation(perm, mode, permutation);
1373                                         if (r_glsl_permutation->program)
1374                                                 break;
1375                                 }
1376                                 if (i >= SHADERPERMUTATION_COUNT)
1377                                 {
1378                                         //Con_Printf("Could not find a working OpenGL 2.0 shader for permutation %s %s\n", shadermodeinfo[mode].filename, shadermodeinfo[mode].pretext);
1379                                         r_glsl_permutation = R_GLSL_FindPermutation(mode, permutation);
1380                                         qglUseProgram(0);CHECKGLERROR
1381                                         return; // no bit left to clear, entire mode is broken
1382                                 }
1383                         }
1384                 }
1385                 CHECKGLERROR
1386                 qglUseProgram(r_glsl_permutation->program);CHECKGLERROR
1387         }
1388         if (r_glsl_permutation->loc_ModelViewProjectionMatrix >= 0) qglUniformMatrix4fv(r_glsl_permutation->loc_ModelViewProjectionMatrix, 1, false, gl_modelviewprojection16f);
1389         if (r_glsl_permutation->loc_ModelViewMatrix >= 0) qglUniformMatrix4fv(r_glsl_permutation->loc_ModelViewMatrix, 1, false, gl_modelview16f);
1390         if (r_glsl_permutation->loc_ClientTime >= 0) qglUniform1f(r_glsl_permutation->loc_ClientTime, cl.time);
1391         CHECKGLERROR
1392 }
1393
1394 void R_GLSL_Restart_f(cmd_state_t *cmd)
1395 {
1396         unsigned int i, limit;
1397         switch(vid.renderpath)
1398         {
1399         case RENDERPATH_GL32:
1400         case RENDERPATH_GLES2:
1401                 {
1402                         r_glsl_permutation_t *p;
1403                         r_glsl_permutation = NULL;
1404                         limit = (unsigned int)Mem_ExpandableArray_IndexRange(&r_glsl_permutationarray);
1405                         for (i = 0;i < limit;i++)
1406                         {
1407                                 if ((p = (r_glsl_permutation_t*)Mem_ExpandableArray_RecordAtIndex(&r_glsl_permutationarray, i)))
1408                                 {
1409                                         GL_Backend_FreeProgram(p->program);
1410                                         Mem_ExpandableArray_FreeRecord(&r_glsl_permutationarray, (void*)p);
1411                                 }
1412                         }
1413                         memset(r_glsl_permutationhash, 0, sizeof(r_glsl_permutationhash));
1414                 }
1415                 break;
1416         }
1417 }
1418
1419 static void R_GLSL_DumpShader_f(cmd_state_t *cmd)
1420 {
1421         unsigned i, language, mode, dupe;
1422         char *text;
1423         shadermodeinfo_t *modeinfo;
1424         qfile_t *file;
1425
1426         for (language = 0;language < SHADERLANGUAGE_COUNT;language++)
1427         {
1428                 modeinfo = shadermodeinfo[language];
1429                 for (mode = 0;mode < SHADERMODE_COUNT;mode++)
1430                 {
1431                         // don't dump the same file multiple times (most or all shaders come from the same file)
1432                         for (dupe = mode - 1;dupe >= 0;dupe--)
1433                                 if (!strcmp(modeinfo[mode].filename, modeinfo[dupe].filename))
1434                                         break;
1435                         if (dupe >= 0)
1436                                 continue;
1437                         text = modeinfo[mode].builtinstring;
1438                         if (!text)
1439                                 continue;
1440                         file = FS_OpenRealFile(modeinfo[mode].filename, "w", false);
1441                         if (file)
1442                         {
1443                                 FS_Print(file, "/* The engine may define the following macros:\n");
1444                                 FS_Print(file, "#define VERTEX_SHADER\n#define GEOMETRY_SHADER\n#define FRAGMENT_SHADER\n");
1445                                 for (i = 0;i < SHADERMODE_COUNT;i++)
1446                                         FS_Print(file, modeinfo[i].pretext);
1447                                 for (i = 0;i < SHADERPERMUTATION_COUNT;i++)
1448                                         FS_Print(file, shaderpermutationinfo[i].pretext);
1449                                 FS_Print(file, "*/\n");
1450                                 FS_Print(file, text);
1451                                 FS_Close(file);
1452                                 Con_Printf("%s written\n", modeinfo[mode].filename);
1453                         }
1454                         else
1455                                 Con_Printf(CON_ERROR "failed to write to %s\n", modeinfo[mode].filename);
1456                 }
1457         }
1458 }
1459
1460 void R_SetupShader_Generic(rtexture_t *t, qbool usegamma, qbool notrippy, qbool suppresstexalpha)
1461 {
1462         uint64_t permutation = 0;
1463         if (r_trippy.integer && !notrippy)
1464                 permutation |= SHADERPERMUTATION_TRIPPY;
1465         permutation |= SHADERPERMUTATION_VIEWTINT;
1466         if (t)
1467                 permutation |= SHADERPERMUTATION_DIFFUSE;
1468         if (usegamma && v_glslgamma_2d.integer && !vid.sRGB2D && r_texture_gammaramps && !vid_gammatables_trivial)
1469                 permutation |= SHADERPERMUTATION_GAMMARAMPS;
1470         if (suppresstexalpha)
1471                 permutation |= SHADERPERMUTATION_REFLECTCUBE;
1472         if (vid.allowalphatocoverage)
1473                 GL_AlphaToCoverage(false);
1474         switch (vid.renderpath)
1475         {
1476         case RENDERPATH_GL32:
1477         case RENDERPATH_GLES2:
1478                 R_SetupShader_SetPermutationGLSL(SHADERMODE_GENERIC, permutation);
1479                 if (r_glsl_permutation->tex_Texture_First >= 0)
1480                         R_Mesh_TexBind(r_glsl_permutation->tex_Texture_First, t);
1481                 if (r_glsl_permutation->tex_Texture_GammaRamps >= 0)
1482                         R_Mesh_TexBind(r_glsl_permutation->tex_Texture_GammaRamps, r_texture_gammaramps);
1483                 break;
1484         }
1485 }
1486
1487 void R_SetupShader_Generic_NoTexture(qbool usegamma, qbool notrippy)
1488 {
1489         R_SetupShader_Generic(NULL, usegamma, notrippy, false);
1490 }
1491
1492 void R_SetupShader_DepthOrShadow(qbool notrippy, qbool depthrgb, qbool skeletal)
1493 {
1494         uint64_t permutation = 0;
1495         if (r_trippy.integer && !notrippy)
1496                 permutation |= SHADERPERMUTATION_TRIPPY;
1497         if (depthrgb)
1498                 permutation |= SHADERPERMUTATION_DEPTHRGB;
1499         if (skeletal)
1500                 permutation |= SHADERPERMUTATION_SKELETAL;
1501
1502         if (vid.allowalphatocoverage)
1503                 GL_AlphaToCoverage(false);
1504         switch (vid.renderpath)
1505         {
1506         case RENDERPATH_GL32:
1507         case RENDERPATH_GLES2:
1508                 R_SetupShader_SetPermutationGLSL(SHADERMODE_DEPTH_OR_SHADOW, permutation);
1509 #ifndef USE_GLES2 /* FIXME: GLES3 only */
1510                 if (r_glsl_permutation->ubiloc_Skeletal_Transform12_UniformBlock >= 0 && rsurface.batchskeletaltransform3x4buffer) qglBindBufferRange(GL_UNIFORM_BUFFER, r_glsl_permutation->ubibind_Skeletal_Transform12_UniformBlock, rsurface.batchskeletaltransform3x4buffer->bufferobject, rsurface.batchskeletaltransform3x4offset, rsurface.batchskeletaltransform3x4size);
1511 #endif
1512                 break;
1513         }
1514 }
1515
1516 #define BLENDFUNC_ALLOWS_COLORMOD      1
1517 #define BLENDFUNC_ALLOWS_FOG           2
1518 #define BLENDFUNC_ALLOWS_FOG_HACK0     4
1519 #define BLENDFUNC_ALLOWS_FOG_HACKALPHA 8
1520 #define BLENDFUNC_ALLOWS_ANYFOG        (BLENDFUNC_ALLOWS_FOG | BLENDFUNC_ALLOWS_FOG_HACK0 | BLENDFUNC_ALLOWS_FOG_HACKALPHA)
1521 static int R_BlendFuncFlags(int src, int dst)
1522 {
1523         int r = 0;
1524
1525         // a blendfunc allows colormod if:
1526         // a) it can never keep the destination pixel invariant, or
1527         // b) it can keep the destination pixel invariant, and still can do so if colormodded
1528         // this is to prevent unintended side effects from colormod
1529
1530         // a blendfunc allows fog if:
1531         // blend(fog(src), fog(dst)) == fog(blend(src, dst))
1532         // this is to prevent unintended side effects from fog
1533
1534         // these checks are the output of fogeval.pl
1535
1536         r |= BLENDFUNC_ALLOWS_COLORMOD;
1537         if(src == GL_DST_ALPHA && dst == GL_ONE) r |= BLENDFUNC_ALLOWS_FOG_HACK0;
1538         if(src == GL_DST_ALPHA && dst == GL_ONE_MINUS_DST_ALPHA) r |= BLENDFUNC_ALLOWS_FOG;
1539         if(src == GL_DST_COLOR && dst == GL_ONE_MINUS_SRC_ALPHA) r &= ~BLENDFUNC_ALLOWS_COLORMOD;
1540         if(src == GL_DST_COLOR && dst == GL_ONE_MINUS_SRC_COLOR) r |= BLENDFUNC_ALLOWS_FOG;
1541         if(src == GL_DST_COLOR && dst == GL_SRC_ALPHA) r &= ~BLENDFUNC_ALLOWS_COLORMOD;
1542         if(src == GL_DST_COLOR && dst == GL_SRC_COLOR) r &= ~BLENDFUNC_ALLOWS_COLORMOD;
1543         if(src == GL_DST_COLOR && dst == GL_ZERO) r &= ~BLENDFUNC_ALLOWS_COLORMOD;
1544         if(src == GL_ONE && dst == GL_ONE) r |= BLENDFUNC_ALLOWS_FOG_HACK0;
1545         if(src == GL_ONE && dst == GL_ONE_MINUS_SRC_ALPHA) r |= BLENDFUNC_ALLOWS_FOG_HACKALPHA;
1546         if(src == GL_ONE && dst == GL_ZERO) r |= BLENDFUNC_ALLOWS_FOG;
1547         if(src == GL_ONE_MINUS_DST_ALPHA && dst == GL_DST_ALPHA) r |= BLENDFUNC_ALLOWS_FOG;
1548         if(src == GL_ONE_MINUS_DST_ALPHA && dst == GL_ONE) r |= BLENDFUNC_ALLOWS_FOG_HACK0;
1549         if(src == GL_ONE_MINUS_DST_COLOR && dst == GL_SRC_COLOR) r |= BLENDFUNC_ALLOWS_FOG;
1550         if(src == GL_ONE_MINUS_SRC_ALPHA && dst == GL_ONE) r |= BLENDFUNC_ALLOWS_FOG_HACK0;
1551         if(src == GL_ONE_MINUS_SRC_ALPHA && dst == GL_SRC_ALPHA) r |= BLENDFUNC_ALLOWS_FOG;
1552         if(src == GL_ONE_MINUS_SRC_ALPHA && dst == GL_SRC_COLOR) r &= ~BLENDFUNC_ALLOWS_COLORMOD;
1553         if(src == GL_ONE_MINUS_SRC_COLOR && dst == GL_SRC_COLOR) r &= ~BLENDFUNC_ALLOWS_COLORMOD;
1554         if(src == GL_SRC_ALPHA && dst == GL_ONE) r |= BLENDFUNC_ALLOWS_FOG_HACK0;
1555         if(src == GL_SRC_ALPHA && dst == GL_ONE_MINUS_SRC_ALPHA) r |= BLENDFUNC_ALLOWS_FOG;
1556         if(src == GL_ZERO && dst == GL_ONE) r |= BLENDFUNC_ALLOWS_FOG;
1557         if(src == GL_ZERO && dst == GL_SRC_COLOR) r &= ~BLENDFUNC_ALLOWS_COLORMOD;
1558
1559         return r;
1560 }
1561
1562 void R_SetupShader_Surface(const float rtlightambient[3], const float rtlightdiffuse[3], const float rtlightspecular[3], rsurfacepass_t rsurfacepass, int texturenumsurfaces, const msurface_t **texturesurfacelist, void *surfacewaterplane, qbool notrippy, qbool ui)
1563 {
1564         // select a permutation of the lighting shader appropriate to this
1565         // combination of texture, entity, light source, and fogging, only use the
1566         // minimum features necessary to avoid wasting rendering time in the
1567         // fragment shader on features that are not being used
1568         uint64_t permutation = 0;
1569         unsigned int mode = 0;
1570         int blendfuncflags;
1571         texture_t *t = rsurface.texture;
1572         float m16f[16];
1573         matrix4x4_t tempmatrix;
1574         r_waterstate_waterplane_t *waterplane = (r_waterstate_waterplane_t *)surfacewaterplane;
1575         if (r_trippy.integer && !notrippy)
1576                 permutation |= SHADERPERMUTATION_TRIPPY;
1577         if (t->currentmaterialflags & MATERIALFLAG_ALPHATEST)
1578                 permutation |= SHADERPERMUTATION_ALPHAKILL;
1579         if (t->currentmaterialflags & MATERIALFLAG_OCCLUDE)
1580                 permutation |= SHADERPERMUTATION_OCCLUDE;
1581         if (t->r_water_waterscroll[0] && t->r_water_waterscroll[1])
1582                 permutation |= SHADERPERMUTATION_NORMALMAPSCROLLBLEND; // todo: make generic
1583         if (rsurfacepass == RSURFPASS_BACKGROUND)
1584         {
1585                 // distorted background
1586                 if (t->currentmaterialflags & MATERIALFLAG_WATERSHADER)
1587                 {
1588                         mode = SHADERMODE_WATER;
1589                         if (t->currentmaterialflags & MATERIALFLAG_ALPHAGEN_VERTEX)
1590                                 permutation |= SHADERPERMUTATION_ALPHAGEN_VERTEX;
1591                         if((r_wateralpha.value < 1) && (t->currentmaterialflags & MATERIALFLAG_WATERALPHA))
1592                         {
1593                                 // this is the right thing to do for wateralpha
1594                                 GL_BlendFunc(GL_ONE, GL_ZERO);
1595                                 blendfuncflags = R_BlendFuncFlags(GL_ONE, GL_ZERO);
1596                         }
1597                         else
1598                         {
1599                                 // this is the right thing to do for entity alpha
1600                                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1601                                 blendfuncflags = R_BlendFuncFlags(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1602                         }
1603                 }
1604                 else if (t->currentmaterialflags & MATERIALFLAG_REFRACTION)
1605                 {
1606                         mode = SHADERMODE_REFRACTION;
1607                         if (t->currentmaterialflags & MATERIALFLAG_ALPHAGEN_VERTEX)
1608                                 permutation |= SHADERPERMUTATION_ALPHAGEN_VERTEX;
1609                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1610                         blendfuncflags = R_BlendFuncFlags(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1611                 }
1612                 else
1613                 {
1614                         mode = SHADERMODE_GENERIC;
1615                         permutation |= SHADERPERMUTATION_DIFFUSE | SHADERPERMUTATION_ALPHAKILL;
1616                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1617                         blendfuncflags = R_BlendFuncFlags(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1618                 }
1619                 if (vid.allowalphatocoverage)
1620                         GL_AlphaToCoverage(false);
1621         }
1622         else if (rsurfacepass == RSURFPASS_DEFERREDGEOMETRY)
1623         {
1624                 if (r_glsl_offsetmapping.integer && ((R_TextureFlags(t->nmaptexture) & TEXF_ALPHA) || t->offsetbias != 0.0f))
1625                 {
1626                         switch(t->offsetmapping)
1627                         {
1628                         case OFFSETMAPPING_LINEAR: permutation |= SHADERPERMUTATION_OFFSETMAPPING;break;
1629                         case OFFSETMAPPING_RELIEF: permutation |= SHADERPERMUTATION_OFFSETMAPPING | SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
1630                         case OFFSETMAPPING_DEFAULT: permutation |= SHADERPERMUTATION_OFFSETMAPPING;if (r_glsl_offsetmapping_reliefmapping.integer) permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
1631                         case OFFSETMAPPING_OFF: break;
1632                         }
1633                 }
1634                 if (t->currentmaterialflags & MATERIALFLAG_VERTEXTEXTUREBLEND)
1635                         permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
1636                 // normalmap (deferred prepass), may use alpha test on diffuse
1637                 mode = SHADERMODE_DEFERREDGEOMETRY;
1638                 GL_BlendFunc(GL_ONE, GL_ZERO);
1639                 blendfuncflags = R_BlendFuncFlags(GL_ONE, GL_ZERO);
1640                 if (vid.allowalphatocoverage)
1641                         GL_AlphaToCoverage(false);
1642         }
1643         else if (rsurfacepass == RSURFPASS_RTLIGHT)
1644         {
1645                 if (r_glsl_offsetmapping.integer && ((R_TextureFlags(t->nmaptexture) & TEXF_ALPHA) || t->offsetbias != 0.0f))
1646                 {
1647                         switch(t->offsetmapping)
1648                         {
1649                         case OFFSETMAPPING_LINEAR: permutation |= SHADERPERMUTATION_OFFSETMAPPING;break;
1650                         case OFFSETMAPPING_RELIEF: permutation |= SHADERPERMUTATION_OFFSETMAPPING | SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
1651                         case OFFSETMAPPING_DEFAULT: permutation |= SHADERPERMUTATION_OFFSETMAPPING;if (r_glsl_offsetmapping_reliefmapping.integer) permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
1652                         case OFFSETMAPPING_OFF: break;
1653                         }
1654                 }
1655                 if (t->currentmaterialflags & MATERIALFLAG_VERTEXTEXTUREBLEND)
1656                         permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
1657                 if (t->currentmaterialflags & MATERIALFLAG_ALPHAGEN_VERTEX)
1658                         permutation |= SHADERPERMUTATION_ALPHAGEN_VERTEX;
1659                 // light source
1660                 mode = SHADERMODE_LIGHTSOURCE;
1661                 if (rsurface.rtlight->currentcubemap != r_texture_whitecube)
1662                         permutation |= SHADERPERMUTATION_CUBEFILTER;
1663                 if (VectorLength2(rtlightdiffuse) > 0)
1664                         permutation |= SHADERPERMUTATION_DIFFUSE;
1665                 if (VectorLength2(rtlightspecular) > 0)
1666                         permutation |= SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_DIFFUSE;
1667                 if (r_refdef.fogenabled)
1668                         permutation |= r_texture_fogheighttexture ? SHADERPERMUTATION_FOGHEIGHTTEXTURE : (r_refdef.fogplaneviewabove ? SHADERPERMUTATION_FOGOUTSIDE : SHADERPERMUTATION_FOGINSIDE);
1669                 if (t->colormapping)
1670                         permutation |= SHADERPERMUTATION_COLORMAPPING;
1671                 if (r_shadow_usingshadowmap2d)
1672                 {
1673                         permutation |= SHADERPERMUTATION_SHADOWMAP2D;
1674                         if(r_shadow_shadowmapvsdct)
1675                                 permutation |= SHADERPERMUTATION_SHADOWMAPVSDCT;
1676
1677                         if (r_shadow_shadowmap2ddepthbuffer)
1678                                 permutation |= SHADERPERMUTATION_DEPTHRGB;
1679                 }
1680                 if (t->reflectmasktexture)
1681                         permutation |= SHADERPERMUTATION_REFLECTCUBE;
1682                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
1683                 blendfuncflags = R_BlendFuncFlags(GL_SRC_ALPHA, GL_ONE);
1684                 if (vid.allowalphatocoverage)
1685                         GL_AlphaToCoverage(false);
1686         }
1687         else if (t->currentmaterialflags & MATERIALFLAG_LIGHTGRID)
1688         {
1689                 if (r_glsl_offsetmapping.integer && ((R_TextureFlags(t->nmaptexture) & TEXF_ALPHA) || t->offsetbias != 0.0f))
1690                 {
1691                         switch(t->offsetmapping)
1692                         {
1693                         case OFFSETMAPPING_LINEAR: permutation |= SHADERPERMUTATION_OFFSETMAPPING;break;
1694                         case OFFSETMAPPING_RELIEF: permutation |= SHADERPERMUTATION_OFFSETMAPPING | SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
1695                         case OFFSETMAPPING_DEFAULT: permutation |= SHADERPERMUTATION_OFFSETMAPPING;if (r_glsl_offsetmapping_reliefmapping.integer) permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
1696                         case OFFSETMAPPING_OFF: break;
1697                         }
1698                 }
1699                 if (t->currentmaterialflags & MATERIALFLAG_VERTEXTEXTUREBLEND)
1700                         permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
1701                 if (t->currentmaterialflags & MATERIALFLAG_ALPHAGEN_VERTEX)
1702                         permutation |= SHADERPERMUTATION_ALPHAGEN_VERTEX;
1703                 // directional model lighting
1704                 mode = SHADERMODE_LIGHTGRID;
1705                 if ((t->glowtexture || t->backgroundglowtexture) && r_hdr_glowintensity.value > 0 && !gl_lightmaps.integer)
1706                         permutation |= SHADERPERMUTATION_GLOW;
1707                 permutation |= SHADERPERMUTATION_DIFFUSE;
1708                 if (t->glosstexture || t->backgroundglosstexture)
1709                         permutation |= SHADERPERMUTATION_SPECULAR;
1710                 if (r_refdef.fogenabled)
1711                         permutation |= r_texture_fogheighttexture ? SHADERPERMUTATION_FOGHEIGHTTEXTURE : (r_refdef.fogplaneviewabove ? SHADERPERMUTATION_FOGOUTSIDE : SHADERPERMUTATION_FOGINSIDE);
1712                 if (t->colormapping)
1713                         permutation |= SHADERPERMUTATION_COLORMAPPING;
1714                 if (r_shadow_usingshadowmaportho && !(rsurface.ent_flags & RENDER_NOSELFSHADOW))
1715                 {
1716                         permutation |= SHADERPERMUTATION_SHADOWMAPORTHO;
1717                         permutation |= SHADERPERMUTATION_SHADOWMAP2D;
1718
1719                         if (r_shadow_shadowmap2ddepthbuffer)
1720                                 permutation |= SHADERPERMUTATION_DEPTHRGB;
1721                 }
1722                 if (t->currentmaterialflags & MATERIALFLAG_REFLECTION)
1723                         permutation |= SHADERPERMUTATION_REFLECTION;
1724                 if (r_shadow_usingdeferredprepass && !(t->currentmaterialflags & MATERIALFLAG_BLENDED))
1725                         permutation |= SHADERPERMUTATION_DEFERREDLIGHTMAP;
1726                 if (t->reflectmasktexture)
1727                         permutation |= SHADERPERMUTATION_REFLECTCUBE;
1728                 if (r_shadow_bouncegrid_state.texture && cl.csqc_vidvars.drawworld && !notrippy)
1729                 {
1730                         permutation |= SHADERPERMUTATION_BOUNCEGRID;
1731                         if (r_shadow_bouncegrid_state.directional)
1732                                 permutation |= SHADERPERMUTATION_BOUNCEGRIDDIRECTIONAL;
1733                 }
1734                 GL_BlendFunc(t->currentblendfunc[0], t->currentblendfunc[1]);
1735                 blendfuncflags = R_BlendFuncFlags(t->currentblendfunc[0], t->currentblendfunc[1]);
1736                 // when using alphatocoverage, we don't need alphakill
1737                 if (vid.allowalphatocoverage)
1738                 {
1739                         if (r_transparent_alphatocoverage.integer)
1740                         {
1741                                 GL_AlphaToCoverage((t->currentmaterialflags & MATERIALFLAG_ALPHATEST) != 0);
1742                                 permutation &= ~SHADERPERMUTATION_ALPHAKILL;
1743                         }
1744                         else
1745                                 GL_AlphaToCoverage(false);
1746                 }
1747         }
1748         else if (t->currentmaterialflags & MATERIALFLAG_MODELLIGHT)
1749         {
1750                 if (r_glsl_offsetmapping.integer && ((R_TextureFlags(t->nmaptexture) & TEXF_ALPHA) || t->offsetbias != 0.0f))
1751                 {
1752                         switch(t->offsetmapping)
1753                         {
1754                         case OFFSETMAPPING_LINEAR: permutation |= SHADERPERMUTATION_OFFSETMAPPING;break;
1755                         case OFFSETMAPPING_RELIEF: permutation |= SHADERPERMUTATION_OFFSETMAPPING | SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
1756                         case OFFSETMAPPING_DEFAULT: permutation |= SHADERPERMUTATION_OFFSETMAPPING;if (r_glsl_offsetmapping_reliefmapping.integer) permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
1757                         case OFFSETMAPPING_OFF: break;
1758                         }
1759                 }
1760                 if (t->currentmaterialflags & MATERIALFLAG_VERTEXTEXTUREBLEND)
1761                         permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
1762                 if (t->currentmaterialflags & MATERIALFLAG_ALPHAGEN_VERTEX)
1763                         permutation |= SHADERPERMUTATION_ALPHAGEN_VERTEX;
1764                 // directional model lighting
1765                 mode = SHADERMODE_LIGHTDIRECTION;
1766                 if ((t->glowtexture || t->backgroundglowtexture) && r_hdr_glowintensity.value > 0 && !gl_lightmaps.integer)
1767                         permutation |= SHADERPERMUTATION_GLOW;
1768                 if (VectorLength2(t->render_modellight_diffuse))
1769                         permutation |= SHADERPERMUTATION_DIFFUSE;
1770                 if (VectorLength2(t->render_modellight_specular) > 0)
1771                         permutation |= SHADERPERMUTATION_SPECULAR;
1772                 if (r_refdef.fogenabled)
1773                         permutation |= r_texture_fogheighttexture ? SHADERPERMUTATION_FOGHEIGHTTEXTURE : (r_refdef.fogplaneviewabove ? SHADERPERMUTATION_FOGOUTSIDE : SHADERPERMUTATION_FOGINSIDE);
1774                 if (t->colormapping)
1775                         permutation |= SHADERPERMUTATION_COLORMAPPING;
1776                 if (r_shadow_usingshadowmaportho && !(rsurface.ent_flags & RENDER_NOSELFSHADOW))
1777                 {
1778                         permutation |= SHADERPERMUTATION_SHADOWMAPORTHO;
1779                         permutation |= SHADERPERMUTATION_SHADOWMAP2D;
1780
1781                         if (r_shadow_shadowmap2ddepthbuffer)
1782                                 permutation |= SHADERPERMUTATION_DEPTHRGB;
1783                 }
1784                 if (t->currentmaterialflags & MATERIALFLAG_REFLECTION)
1785                         permutation |= SHADERPERMUTATION_REFLECTION;
1786                 if (r_shadow_usingdeferredprepass && !(t->currentmaterialflags & MATERIALFLAG_BLENDED))
1787                         permutation |= SHADERPERMUTATION_DEFERREDLIGHTMAP;
1788                 if (t->reflectmasktexture)
1789                         permutation |= SHADERPERMUTATION_REFLECTCUBE;
1790                 if (r_shadow_bouncegrid_state.texture && cl.csqc_vidvars.drawworld && !notrippy)
1791                 {
1792                         permutation |= SHADERPERMUTATION_BOUNCEGRID;
1793                         if (r_shadow_bouncegrid_state.directional)
1794                                 permutation |= SHADERPERMUTATION_BOUNCEGRIDDIRECTIONAL;
1795                 }
1796                 GL_BlendFunc(t->currentblendfunc[0], t->currentblendfunc[1]);
1797                 blendfuncflags = R_BlendFuncFlags(t->currentblendfunc[0], t->currentblendfunc[1]);
1798                 // when using alphatocoverage, we don't need alphakill
1799                 if (vid.allowalphatocoverage)
1800                 {
1801                         if (r_transparent_alphatocoverage.integer)
1802                         {
1803                                 GL_AlphaToCoverage((t->currentmaterialflags & MATERIALFLAG_ALPHATEST) != 0);
1804                                 permutation &= ~SHADERPERMUTATION_ALPHAKILL;
1805                         }
1806                         else
1807                                 GL_AlphaToCoverage(false);
1808                 }
1809         }
1810         else
1811         {
1812                 if (r_glsl_offsetmapping.integer && ((R_TextureFlags(t->nmaptexture) & TEXF_ALPHA) || t->offsetbias != 0.0f))
1813                 {
1814                         switch(t->offsetmapping)
1815                         {
1816                         case OFFSETMAPPING_LINEAR: permutation |= SHADERPERMUTATION_OFFSETMAPPING;break;
1817                         case OFFSETMAPPING_RELIEF: permutation |= SHADERPERMUTATION_OFFSETMAPPING | SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
1818                         case OFFSETMAPPING_DEFAULT: permutation |= SHADERPERMUTATION_OFFSETMAPPING;if (r_glsl_offsetmapping_reliefmapping.integer) permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
1819                         case OFFSETMAPPING_OFF: break;
1820                         }
1821                 }
1822                 if (t->currentmaterialflags & MATERIALFLAG_VERTEXTEXTUREBLEND)
1823                         permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
1824                 if (t->currentmaterialflags & MATERIALFLAG_ALPHAGEN_VERTEX)
1825                         permutation |= SHADERPERMUTATION_ALPHAGEN_VERTEX;
1826                 // lightmapped wall
1827                 if ((t->glowtexture || t->backgroundglowtexture) && r_hdr_glowintensity.value > 0 && !gl_lightmaps.integer)
1828                         permutation |= SHADERPERMUTATION_GLOW;
1829                 if (r_refdef.fogenabled && !ui)
1830                         permutation |= r_texture_fogheighttexture ? SHADERPERMUTATION_FOGHEIGHTTEXTURE : (r_refdef.fogplaneviewabove ? SHADERPERMUTATION_FOGOUTSIDE : SHADERPERMUTATION_FOGINSIDE);
1831                 if (t->colormapping)
1832                         permutation |= SHADERPERMUTATION_COLORMAPPING;
1833                 if (r_shadow_usingshadowmaportho && !(rsurface.ent_flags & RENDER_NOSELFSHADOW))
1834                 {
1835                         permutation |= SHADERPERMUTATION_SHADOWMAPORTHO;
1836                         permutation |= SHADERPERMUTATION_SHADOWMAP2D;
1837
1838                         if (r_shadow_shadowmap2ddepthbuffer)
1839                                 permutation |= SHADERPERMUTATION_DEPTHRGB;
1840                 }
1841                 if (t->currentmaterialflags & MATERIALFLAG_REFLECTION)
1842                         permutation |= SHADERPERMUTATION_REFLECTION;
1843                 if (r_shadow_usingdeferredprepass && !(t->currentmaterialflags & MATERIALFLAG_BLENDED))
1844                         permutation |= SHADERPERMUTATION_DEFERREDLIGHTMAP;
1845                 if (t->reflectmasktexture)
1846                         permutation |= SHADERPERMUTATION_REFLECTCUBE;
1847                 if (r_glsl_deluxemapping.integer >= 1 && rsurface.uselightmaptexture && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brushq3.deluxemapping)
1848                 {
1849                         // deluxemapping (light direction texture)
1850                         if (rsurface.uselightmaptexture && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brushq3.deluxemapping && r_refdef.scene.worldmodel->brushq3.deluxemapping_modelspace)
1851                                 mode = SHADERMODE_LIGHTDIRECTIONMAP_MODELSPACE;
1852                         else
1853                                 mode = SHADERMODE_LIGHTDIRECTIONMAP_TANGENTSPACE;
1854                         permutation |= SHADERPERMUTATION_DIFFUSE;
1855                         if (VectorLength2(t->render_lightmap_specular) > 0)
1856                                 permutation |= SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_DIFFUSE;
1857                 }
1858                 else if (r_glsl_deluxemapping.integer >= 2)
1859                 {
1860                         // fake deluxemapping (uniform light direction in tangentspace)
1861                         if (rsurface.uselightmaptexture)
1862                                 mode = SHADERMODE_LIGHTDIRECTIONMAP_FORCED_LIGHTMAP;
1863                         else
1864                                 mode = SHADERMODE_LIGHTDIRECTIONMAP_FORCED_VERTEXCOLOR;
1865                         permutation |= SHADERPERMUTATION_DIFFUSE;
1866                         if (VectorLength2(t->render_lightmap_specular) > 0)
1867                                 permutation |= SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_DIFFUSE;
1868                 }
1869                 else if (rsurface.uselightmaptexture)
1870                 {
1871                         // ordinary lightmapping (q1bsp, q3bsp)
1872                         mode = SHADERMODE_LIGHTMAP;
1873                 }
1874                 else
1875                 {
1876                         // ordinary vertex coloring (q3bsp)
1877                         mode = SHADERMODE_VERTEXCOLOR;
1878                 }
1879                 if (r_shadow_bouncegrid_state.texture && cl.csqc_vidvars.drawworld && !notrippy)
1880                 {
1881                         permutation |= SHADERPERMUTATION_BOUNCEGRID;
1882                         if (r_shadow_bouncegrid_state.directional)
1883                                 permutation |= SHADERPERMUTATION_BOUNCEGRIDDIRECTIONAL;
1884                 }
1885                 GL_BlendFunc(t->currentblendfunc[0], t->currentblendfunc[1]);
1886                 blendfuncflags = R_BlendFuncFlags(t->currentblendfunc[0], t->currentblendfunc[1]);
1887                 // when using alphatocoverage, we don't need alphakill
1888                 if (vid.allowalphatocoverage)
1889                 {
1890                         if (r_transparent_alphatocoverage.integer)
1891                         {
1892                                 GL_AlphaToCoverage((t->currentmaterialflags & MATERIALFLAG_ALPHATEST) != 0);
1893                                 permutation &= ~SHADERPERMUTATION_ALPHAKILL;
1894                         }
1895                         else
1896                                 GL_AlphaToCoverage(false);
1897                 }
1898         }
1899         if(!(blendfuncflags & BLENDFUNC_ALLOWS_ANYFOG))
1900                 permutation &= ~(SHADERPERMUTATION_FOGHEIGHTTEXTURE | SHADERPERMUTATION_FOGOUTSIDE | SHADERPERMUTATION_FOGINSIDE);
1901         if(blendfuncflags & BLENDFUNC_ALLOWS_FOG_HACKALPHA && !ui)
1902                 permutation |= SHADERPERMUTATION_FOGALPHAHACK;
1903         switch(vid.renderpath)
1904         {
1905         case RENDERPATH_GL32:
1906         case RENDERPATH_GLES2:
1907                 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) | BATCHNEED_ALLOWMULTIDRAW, texturenumsurfaces, texturesurfacelist);
1908                 RSurf_UploadBuffersForBatch();
1909                 // this has to be after RSurf_PrepareVerticesForBatch
1910                 if (rsurface.batchskeletaltransform3x4buffer)
1911                         permutation |= SHADERPERMUTATION_SKELETAL;
1912                 R_SetupShader_SetPermutationGLSL(mode, permutation);
1913 #ifndef USE_GLES2 /* FIXME: GLES3 only */
1914                 if (r_glsl_permutation->ubiloc_Skeletal_Transform12_UniformBlock >= 0 && rsurface.batchskeletaltransform3x4buffer) qglBindBufferRange(GL_UNIFORM_BUFFER, r_glsl_permutation->ubibind_Skeletal_Transform12_UniformBlock, rsurface.batchskeletaltransform3x4buffer->bufferobject, rsurface.batchskeletaltransform3x4offset, rsurface.batchskeletaltransform3x4size);
1915 #endif
1916                 if (r_glsl_permutation->loc_ModelToReflectCube >= 0) {Matrix4x4_ToArrayFloatGL(&rsurface.matrix, m16f);qglUniformMatrix4fv(r_glsl_permutation->loc_ModelToReflectCube, 1, false, m16f);}
1917                 if (mode == SHADERMODE_LIGHTSOURCE)
1918                 {
1919                         if (r_glsl_permutation->loc_ModelToLight >= 0) {Matrix4x4_ToArrayFloatGL(&rsurface.entitytolight, m16f);qglUniformMatrix4fv(r_glsl_permutation->loc_ModelToLight, 1, false, m16f);}
1920                         if (r_glsl_permutation->loc_LightPosition >= 0) qglUniform3f(r_glsl_permutation->loc_LightPosition, rsurface.entitylightorigin[0], rsurface.entitylightorigin[1], rsurface.entitylightorigin[2]);
1921                         if (r_glsl_permutation->loc_LightColor >= 0) qglUniform3f(r_glsl_permutation->loc_LightColor, 1, 1, 1); // DEPRECATED
1922                         if (r_glsl_permutation->loc_Color_Ambient >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Ambient, rtlightambient[0], rtlightambient[1], rtlightambient[2]);
1923                         if (r_glsl_permutation->loc_Color_Diffuse >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Diffuse, rtlightdiffuse[0], rtlightdiffuse[1], rtlightdiffuse[2]);
1924                         if (r_glsl_permutation->loc_Color_Specular >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Specular, rtlightspecular[0], rtlightspecular[1], rtlightspecular[2]);
1925
1926                         // additive passes are only darkened by fog, not tinted
1927                         if (r_glsl_permutation->loc_FogColor >= 0)
1928                                 qglUniform3f(r_glsl_permutation->loc_FogColor, 0, 0, 0);
1929                         if (r_glsl_permutation->loc_SpecularPower >= 0) qglUniform1f(r_glsl_permutation->loc_SpecularPower, t->specularpower * (r_shadow_glossexact.integer ? 0.25f : 1.0f) - 1.0f);
1930                 }
1931                 else
1932                 {
1933                         if (mode == SHADERMODE_FLATCOLOR)
1934                         {
1935                                 if (r_glsl_permutation->loc_Color_Ambient >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Ambient, t->render_modellight_ambient[0], t->render_modellight_ambient[1], t->render_modellight_ambient[2]);
1936                         }
1937                         else if (mode == SHADERMODE_LIGHTGRID)
1938                         {
1939                                 if (r_glsl_permutation->loc_Color_Ambient >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Ambient, t->render_lightmap_ambient[0], t->render_lightmap_ambient[1], t->render_lightmap_ambient[2]);
1940                                 if (r_glsl_permutation->loc_Color_Diffuse >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Diffuse, t->render_lightmap_diffuse[0], t->render_lightmap_diffuse[1], t->render_lightmap_diffuse[2]);
1941                                 if (r_glsl_permutation->loc_Color_Specular >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Specular, t->render_lightmap_specular[0], t->render_lightmap_specular[1], t->render_lightmap_specular[2]);
1942                                 // other LightGrid uniforms handled below
1943                         }
1944                         else if (mode == SHADERMODE_LIGHTDIRECTION)
1945                         {
1946                                 if (r_glsl_permutation->loc_Color_Ambient >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Ambient, t->render_modellight_ambient[0], t->render_modellight_ambient[1], t->render_modellight_ambient[2]);
1947                                 if (r_glsl_permutation->loc_Color_Diffuse >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Diffuse, t->render_modellight_diffuse[0], t->render_modellight_diffuse[1], t->render_modellight_diffuse[2]);
1948                                 if (r_glsl_permutation->loc_Color_Specular >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Specular, t->render_modellight_specular[0], t->render_modellight_specular[1], t->render_modellight_specular[2]);
1949                                 if (r_glsl_permutation->loc_DeferredMod_Diffuse >= 0) qglUniform3f(r_glsl_permutation->loc_DeferredMod_Diffuse, t->render_rtlight_diffuse[0], t->render_rtlight_diffuse[1], t->render_rtlight_diffuse[2]);
1950                                 if (r_glsl_permutation->loc_DeferredMod_Specular >= 0) qglUniform3f(r_glsl_permutation->loc_DeferredMod_Specular, t->render_rtlight_specular[0], t->render_rtlight_specular[1], t->render_rtlight_specular[2]);
1951                                 if (r_glsl_permutation->loc_LightColor >= 0) qglUniform3f(r_glsl_permutation->loc_LightColor, 1, 1, 1); // DEPRECATED
1952                                 if (r_glsl_permutation->loc_LightDir >= 0) qglUniform3f(r_glsl_permutation->loc_LightDir, t->render_modellight_lightdir_local[0], t->render_modellight_lightdir_local[1], t->render_modellight_lightdir_local[2]);
1953                         }
1954                         else
1955                         {
1956                                 if (r_glsl_permutation->loc_Color_Ambient >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Ambient, t->render_lightmap_ambient[0], t->render_lightmap_ambient[1], t->render_lightmap_ambient[2]);
1957                                 if (r_glsl_permutation->loc_Color_Diffuse >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Diffuse, t->render_lightmap_diffuse[0], t->render_lightmap_diffuse[1], t->render_lightmap_diffuse[2]);
1958                                 if (r_glsl_permutation->loc_Color_Specular >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Specular, t->render_lightmap_specular[0], t->render_lightmap_specular[1], t->render_lightmap_specular[2]);
1959                                 if (r_glsl_permutation->loc_DeferredMod_Diffuse >= 0) qglUniform3f(r_glsl_permutation->loc_DeferredMod_Diffuse, t->render_rtlight_diffuse[0], t->render_rtlight_diffuse[1], t->render_rtlight_diffuse[2]);
1960                                 if (r_glsl_permutation->loc_DeferredMod_Specular >= 0) qglUniform3f(r_glsl_permutation->loc_DeferredMod_Specular, t->render_rtlight_specular[0], t->render_rtlight_specular[1], t->render_rtlight_specular[2]);
1961                         }
1962                         // additive passes are only darkened by fog, not tinted
1963                         if (r_glsl_permutation->loc_FogColor >= 0 && !ui)
1964                         {
1965                                 if(blendfuncflags & BLENDFUNC_ALLOWS_FOG_HACK0)
1966                                         qglUniform3f(r_glsl_permutation->loc_FogColor, 0, 0, 0);
1967                                 else
1968                                         qglUniform3f(r_glsl_permutation->loc_FogColor, r_refdef.fogcolor[0], r_refdef.fogcolor[1], r_refdef.fogcolor[2]);
1969                         }
1970                         if (r_glsl_permutation->loc_DistortScaleRefractReflect >= 0) qglUniform4f(r_glsl_permutation->loc_DistortScaleRefractReflect, r_water_refractdistort.value * t->refractfactor, r_water_refractdistort.value * t->refractfactor, r_water_reflectdistort.value * t->reflectfactor, r_water_reflectdistort.value * t->reflectfactor);
1971                         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]);
1972                         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]);
1973                         if (r_glsl_permutation->loc_RefractColor >= 0) qglUniform4f(r_glsl_permutation->loc_RefractColor, t->refractcolor4f[0], t->refractcolor4f[1], t->refractcolor4f[2], t->refractcolor4f[3] * t->currentalpha);
1974                         if (r_glsl_permutation->loc_ReflectColor >= 0) qglUniform4f(r_glsl_permutation->loc_ReflectColor, t->reflectcolor4f[0], t->reflectcolor4f[1], t->reflectcolor4f[2], t->reflectcolor4f[3] * t->currentalpha);
1975                         if (r_glsl_permutation->loc_ReflectFactor >= 0) qglUniform1f(r_glsl_permutation->loc_ReflectFactor, t->reflectmax - t->reflectmin);
1976                         if (r_glsl_permutation->loc_ReflectOffset >= 0) qglUniform1f(r_glsl_permutation->loc_ReflectOffset, t->reflectmin);
1977                         if (r_glsl_permutation->loc_SpecularPower >= 0) qglUniform1f(r_glsl_permutation->loc_SpecularPower, t->specularpower * (r_shadow_glossexact.integer ? 0.25f : 1.0f) - 1.0f);
1978                         if (r_glsl_permutation->loc_NormalmapScrollBlend >= 0) qglUniform2f(r_glsl_permutation->loc_NormalmapScrollBlend, t->r_water_waterscroll[0], t->r_water_waterscroll[1]);
1979                 }
1980                 if (r_glsl_permutation->loc_TexMatrix >= 0) {Matrix4x4_ToArrayFloatGL(&t->currenttexmatrix, m16f);qglUniformMatrix4fv(r_glsl_permutation->loc_TexMatrix, 1, false, m16f);}
1981                 if (r_glsl_permutation->loc_BackgroundTexMatrix >= 0) {Matrix4x4_ToArrayFloatGL(&t->currentbackgroundtexmatrix, m16f);qglUniformMatrix4fv(r_glsl_permutation->loc_BackgroundTexMatrix, 1, false, m16f);}
1982                 if (r_glsl_permutation->loc_ShadowMapMatrix >= 0) {Matrix4x4_ToArrayFloatGL(&r_shadow_shadowmapmatrix, m16f);qglUniformMatrix4fv(r_glsl_permutation->loc_ShadowMapMatrix, 1, false, m16f);}
1983                 if (permutation & SHADERPERMUTATION_SHADOWMAPORTHO)
1984                 {
1985                         if (r_glsl_permutation->loc_ShadowMap_TextureScale >= 0) qglUniform4f(r_glsl_permutation->loc_ShadowMap_TextureScale, r_shadow_modelshadowmap_texturescale[0], r_shadow_modelshadowmap_texturescale[1], r_shadow_modelshadowmap_texturescale[2], r_shadow_modelshadowmap_texturescale[3]);
1986                         if (r_glsl_permutation->loc_ShadowMap_Parameters >= 0) qglUniform4f(r_glsl_permutation->loc_ShadowMap_Parameters, r_shadow_modelshadowmap_parameters[0], r_shadow_modelshadowmap_parameters[1], r_shadow_modelshadowmap_parameters[2], r_shadow_modelshadowmap_parameters[3]);
1987                 }
1988                 else
1989                 {
1990                         if (r_glsl_permutation->loc_ShadowMap_TextureScale >= 0) qglUniform4f(r_glsl_permutation->loc_ShadowMap_TextureScale, r_shadow_lightshadowmap_texturescale[0], r_shadow_lightshadowmap_texturescale[1], r_shadow_lightshadowmap_texturescale[2], r_shadow_lightshadowmap_texturescale[3]);
1991                         if (r_glsl_permutation->loc_ShadowMap_Parameters >= 0) qglUniform4f(r_glsl_permutation->loc_ShadowMap_Parameters, r_shadow_lightshadowmap_parameters[0], r_shadow_lightshadowmap_parameters[1], r_shadow_lightshadowmap_parameters[2], r_shadow_lightshadowmap_parameters[3]);
1992                 }
1993
1994                 if (r_glsl_permutation->loc_Color_Glow >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Glow, t->render_glowmod[0], t->render_glowmod[1], t->render_glowmod[2]);
1995                 if (r_glsl_permutation->loc_Alpha >= 0) qglUniform1f(r_glsl_permutation->loc_Alpha, t->currentalpha * ((t->basematerialflags & MATERIALFLAG_WATERSHADER && r_fb.water.enabled && !r_refdef.view.isoverlay) ? t->r_water_wateralpha : 1));
1996                 if (r_glsl_permutation->loc_EyePosition >= 0) qglUniform3f(r_glsl_permutation->loc_EyePosition, rsurface.localvieworigin[0], rsurface.localvieworigin[1], rsurface.localvieworigin[2]);
1997                 if (r_glsl_permutation->loc_Color_Pants >= 0)
1998                 {
1999                         if (t->pantstexture)
2000                                 qglUniform3f(r_glsl_permutation->loc_Color_Pants, t->render_colormap_pants[0], t->render_colormap_pants[1], t->render_colormap_pants[2]);
2001                         else
2002                                 qglUniform3f(r_glsl_permutation->loc_Color_Pants, 0, 0, 0);
2003                 }
2004                 if (r_glsl_permutation->loc_Color_Shirt >= 0)
2005                 {
2006                         if (t->shirttexture)
2007                                 qglUniform3f(r_glsl_permutation->loc_Color_Shirt, t->render_colormap_shirt[0], t->render_colormap_shirt[1], t->render_colormap_shirt[2]);
2008                         else
2009                                 qglUniform3f(r_glsl_permutation->loc_Color_Shirt, 0, 0, 0);
2010                 }
2011                 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]);
2012                 if (r_glsl_permutation->loc_FogPlaneViewDist >= 0) qglUniform1f(r_glsl_permutation->loc_FogPlaneViewDist, rsurface.fogplaneviewdist);
2013                 if (r_glsl_permutation->loc_FogRangeRecip >= 0) qglUniform1f(r_glsl_permutation->loc_FogRangeRecip, rsurface.fograngerecip);
2014                 if (r_glsl_permutation->loc_FogHeightFade >= 0) qglUniform1f(r_glsl_permutation->loc_FogHeightFade, rsurface.fogheightfade);
2015                 if (r_glsl_permutation->loc_OffsetMapping_ScaleSteps >= 0) qglUniform4f(r_glsl_permutation->loc_OffsetMapping_ScaleSteps,
2016                                 r_glsl_offsetmapping_scale.value*t->offsetscale,
2017                                 max(1, (permutation & SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING) ? r_glsl_offsetmapping_reliefmapping_steps.integer : r_glsl_offsetmapping_steps.integer),
2018                                 1.0 / max(1, (permutation & SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING) ? r_glsl_offsetmapping_reliefmapping_steps.integer : r_glsl_offsetmapping_steps.integer),
2019                                 max(1, r_glsl_offsetmapping_reliefmapping_refinesteps.integer)
2020                         );
2021                 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);
2022                 if (r_glsl_permutation->loc_OffsetMapping_Bias >= 0) qglUniform1f(r_glsl_permutation->loc_OffsetMapping_Bias, t->offsetbias);
2023                 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]);
2024                 if (r_glsl_permutation->loc_PixelToScreenTexCoord >= 0) qglUniform2f(r_glsl_permutation->loc_PixelToScreenTexCoord, 1.0f/r_fb.screentexturewidth, 1.0f/r_fb.screentextureheight);
2025                 if (r_glsl_permutation->loc_BounceGridMatrix >= 0) {Matrix4x4_Concat(&tempmatrix, &r_shadow_bouncegrid_state.matrix, &rsurface.matrix);Matrix4x4_ToArrayFloatGL(&tempmatrix, m16f);qglUniformMatrix4fv(r_glsl_permutation->loc_BounceGridMatrix, 1, false, m16f);}
2026                 if (r_glsl_permutation->loc_BounceGridIntensity >= 0) qglUniform1f(r_glsl_permutation->loc_BounceGridIntensity, r_shadow_bouncegrid_state.intensity*r_refdef.view.colorscale);
2027                 if (r_glsl_permutation->loc_LightGridMatrix >= 0 && r_refdef.scene.worldmodel)
2028                 {
2029                         float m9f[9];
2030                         Matrix4x4_Concat(&tempmatrix, &r_refdef.scene.worldmodel->brushq3.lightgridworldtotexturematrix, &rsurface.matrix);
2031                         Matrix4x4_ToArrayFloatGL(&tempmatrix, m16f);
2032                         qglUniformMatrix4fv(r_glsl_permutation->loc_LightGridMatrix, 1, false, m16f);
2033                         Matrix4x4_Normalize3(&tempmatrix, &rsurface.matrix);
2034                         Matrix4x4_ToArrayFloatGL(&tempmatrix, m16f);
2035                         m9f[0] = m16f[0];m9f[1] = m16f[1];m9f[2] = m16f[2];
2036                         m9f[3] = m16f[4];m9f[4] = m16f[5];m9f[5] = m16f[6];
2037                         m9f[6] = m16f[8];m9f[7] = m16f[9];m9f[8] = m16f[10];
2038                         qglUniformMatrix3fv(r_glsl_permutation->loc_LightGridNormalMatrix, 1, false, m9f);
2039                 }
2040
2041                 if (r_glsl_permutation->tex_Texture_First           >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_First            , r_texture_white                                     );
2042                 if (r_glsl_permutation->tex_Texture_Second          >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Second           , r_texture_white                                     );
2043                 if (r_glsl_permutation->tex_Texture_GammaRamps      >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_GammaRamps       , r_texture_gammaramps                                );
2044                 if (r_glsl_permutation->tex_Texture_Normal          >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Normal           , t->nmaptexture                       );
2045                 if (r_glsl_permutation->tex_Texture_Color           >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Color            , t->basetexture                       );
2046                 if (r_glsl_permutation->tex_Texture_Gloss           >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Gloss            , t->glosstexture                      );
2047                 if (r_glsl_permutation->tex_Texture_Glow            >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Glow             , t->glowtexture                       );
2048                 if (r_glsl_permutation->tex_Texture_SecondaryNormal >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_SecondaryNormal  , t->backgroundnmaptexture             );
2049                 if (r_glsl_permutation->tex_Texture_SecondaryColor  >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_SecondaryColor   , t->backgroundbasetexture             );
2050                 if (r_glsl_permutation->tex_Texture_SecondaryGloss  >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_SecondaryGloss   , t->backgroundglosstexture            );
2051                 if (r_glsl_permutation->tex_Texture_SecondaryGlow   >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_SecondaryGlow    , t->backgroundglowtexture             );
2052                 if (r_glsl_permutation->tex_Texture_Pants           >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Pants            , t->pantstexture                      );
2053                 if (r_glsl_permutation->tex_Texture_Shirt           >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Shirt            , t->shirttexture                      );
2054                 if (r_glsl_permutation->tex_Texture_ReflectMask     >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_ReflectMask      , t->reflectmasktexture                );
2055                 if (r_glsl_permutation->tex_Texture_ReflectCube     >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_ReflectCube      , t->reflectcubetexture ? t->reflectcubetexture : r_texture_whitecube);
2056                 if (r_glsl_permutation->tex_Texture_FogHeightTexture>= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_FogHeightTexture , r_texture_fogheighttexture                          );
2057                 if (r_glsl_permutation->tex_Texture_FogMask         >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_FogMask          , r_texture_fogattenuation                            );
2058                 if (r_glsl_permutation->tex_Texture_Lightmap        >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Lightmap         , rsurface.lightmaptexture ? rsurface.lightmaptexture : r_texture_white);
2059                 if (r_glsl_permutation->tex_Texture_Deluxemap       >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Deluxemap        , rsurface.deluxemaptexture ? rsurface.deluxemaptexture : r_texture_blanknormalmap);
2060                 if (r_glsl_permutation->tex_Texture_Attenuation     >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Attenuation      , r_shadow_attenuationgradienttexture                 );
2061                 if (rsurfacepass == RSURFPASS_BACKGROUND)
2062                 {
2063                         if (r_glsl_permutation->tex_Texture_Refraction  >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Refraction        , waterplane->rt_refraction ? waterplane->rt_refraction->colortexture[0] : r_texture_black);
2064                         if (r_glsl_permutation->tex_Texture_First       >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_First             , waterplane->rt_camera ? waterplane->rt_camera->colortexture[0] : r_texture_black);
2065                         if (r_glsl_permutation->tex_Texture_Reflection  >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Reflection        , waterplane->rt_reflection ? waterplane->rt_reflection->colortexture[0] : r_texture_black);
2066                 }
2067                 else
2068                 {
2069                         if (r_glsl_permutation->tex_Texture_Reflection >= 0 && waterplane) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Reflection        , waterplane->rt_reflection ? waterplane->rt_reflection->colortexture[0] : r_texture_black);
2070                 }
2071                 if (r_glsl_permutation->tex_Texture_ScreenNormalMap >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_ScreenNormalMap   , r_shadow_prepassgeometrynormalmaptexture            );
2072                 if (r_glsl_permutation->tex_Texture_ScreenDiffuse   >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_ScreenDiffuse     , r_shadow_prepasslightingdiffusetexture              );
2073                 if (r_glsl_permutation->tex_Texture_ScreenSpecular  >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_ScreenSpecular    , r_shadow_prepasslightingspeculartexture             );
2074                 if (rsurface.rtlight || (r_shadow_usingshadowmaportho && !(rsurface.ent_flags & RENDER_NOSELFSHADOW)))
2075                 {
2076                         if (r_glsl_permutation->tex_Texture_ShadowMap2D     >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_ShadowMap2D, r_shadow_shadowmap2ddepthtexture                           );
2077                         if (rsurface.rtlight)
2078                         {
2079                                 if (r_glsl_permutation->tex_Texture_Cube            >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Cube              , rsurface.rtlight->currentcubemap                    );
2080                                 if (r_glsl_permutation->tex_Texture_CubeProjection  >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_CubeProjection    , r_shadow_shadowmapvsdcttexture                      );
2081                         }
2082                 }
2083                 if (r_glsl_permutation->tex_Texture_BounceGrid  >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_BounceGrid, r_shadow_bouncegrid_state.texture);
2084                 if (r_glsl_permutation->tex_Texture_LightGrid   >= 0 && r_refdef.scene.worldmodel) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_LightGrid, r_refdef.scene.worldmodel->brushq3.lightgridtexture);
2085                 CHECKGLERROR
2086                 break;
2087         }
2088 }
2089
2090 void R_SetupShader_DeferredLight(const rtlight_t *rtlight)
2091 {
2092         // select a permutation of the lighting shader appropriate to this
2093         // combination of texture, entity, light source, and fogging, only use the
2094         // minimum features necessary to avoid wasting rendering time in the
2095         // fragment shader on features that are not being used
2096         uint64_t permutation = 0;
2097         unsigned int mode = 0;
2098         const float *lightcolorbase = rtlight->currentcolor;
2099         float ambientscale = rtlight->ambientscale;
2100         float diffusescale = rtlight->diffusescale;
2101         float specularscale = rtlight->specularscale;
2102         // this is the location of the light in view space
2103         vec3_t viewlightorigin;
2104         // this transforms from view space (camera) to light space (cubemap)
2105         matrix4x4_t viewtolight;
2106         matrix4x4_t lighttoview;
2107         float viewtolight16f[16];
2108         // light source
2109         mode = SHADERMODE_DEFERREDLIGHTSOURCE;
2110         if (rtlight->currentcubemap != r_texture_whitecube)
2111                 permutation |= SHADERPERMUTATION_CUBEFILTER;
2112         if (diffusescale > 0)
2113                 permutation |= SHADERPERMUTATION_DIFFUSE;
2114         if (specularscale > 0 && r_shadow_gloss.integer > 0)
2115                 permutation |= SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_DIFFUSE;
2116         if (r_shadow_usingshadowmap2d)
2117         {
2118                 permutation |= SHADERPERMUTATION_SHADOWMAP2D;
2119                 if (r_shadow_shadowmapvsdct)
2120                         permutation |= SHADERPERMUTATION_SHADOWMAPVSDCT;
2121
2122                 if (r_shadow_shadowmap2ddepthbuffer)
2123                         permutation |= SHADERPERMUTATION_DEPTHRGB;
2124         }
2125         if (vid.allowalphatocoverage)
2126                 GL_AlphaToCoverage(false);
2127         Matrix4x4_Transform(&r_refdef.view.viewport.viewmatrix, rtlight->shadoworigin, viewlightorigin);
2128         Matrix4x4_Concat(&lighttoview, &r_refdef.view.viewport.viewmatrix, &rtlight->matrix_lighttoworld);
2129         Matrix4x4_Invert_Full(&viewtolight, &lighttoview);
2130         Matrix4x4_ToArrayFloatGL(&viewtolight, viewtolight16f);
2131         switch(vid.renderpath)
2132         {
2133         case RENDERPATH_GL32:
2134         case RENDERPATH_GLES2:
2135                 R_SetupShader_SetPermutationGLSL(mode, permutation);
2136                 if (r_glsl_permutation->loc_LightPosition             >= 0) qglUniform3f(       r_glsl_permutation->loc_LightPosition            , viewlightorigin[0], viewlightorigin[1], viewlightorigin[2]);
2137                 if (r_glsl_permutation->loc_ViewToLight               >= 0) qglUniformMatrix4fv(r_glsl_permutation->loc_ViewToLight              , 1, false, viewtolight16f);
2138                 if (r_glsl_permutation->loc_DeferredColor_Ambient     >= 0) qglUniform3f(       r_glsl_permutation->loc_DeferredColor_Ambient    , lightcolorbase[0] * ambientscale , lightcolorbase[1] * ambientscale , lightcolorbase[2] * ambientscale );
2139                 if (r_glsl_permutation->loc_DeferredColor_Diffuse     >= 0) qglUniform3f(       r_glsl_permutation->loc_DeferredColor_Diffuse    , lightcolorbase[0] * diffusescale , lightcolorbase[1] * diffusescale , lightcolorbase[2] * diffusescale );
2140                 if (r_glsl_permutation->loc_DeferredColor_Specular    >= 0) qglUniform3f(       r_glsl_permutation->loc_DeferredColor_Specular   , lightcolorbase[0] * specularscale, lightcolorbase[1] * specularscale, lightcolorbase[2] * specularscale);
2141                 if (r_glsl_permutation->loc_ShadowMap_TextureScale    >= 0) qglUniform4f(       r_glsl_permutation->loc_ShadowMap_TextureScale   , r_shadow_lightshadowmap_texturescale[0], r_shadow_lightshadowmap_texturescale[1], r_shadow_lightshadowmap_texturescale[2], r_shadow_lightshadowmap_texturescale[3]);
2142                 if (r_glsl_permutation->loc_ShadowMap_Parameters      >= 0) qglUniform4f(       r_glsl_permutation->loc_ShadowMap_Parameters     , r_shadow_lightshadowmap_parameters[0], r_shadow_lightshadowmap_parameters[1], r_shadow_lightshadowmap_parameters[2], r_shadow_lightshadowmap_parameters[3]);
2143                 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);
2144                 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]);
2145                 if (r_glsl_permutation->loc_PixelToScreenTexCoord     >= 0) qglUniform2f(       r_glsl_permutation->loc_PixelToScreenTexCoord    , 1.0f/r_fb.screentexturewidth, 1.0f/r_fb.screentextureheight);
2146
2147                 if (r_glsl_permutation->tex_Texture_Attenuation       >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Attenuation        , r_shadow_attenuationgradienttexture                 );
2148                 if (r_glsl_permutation->tex_Texture_ScreenNormalMap   >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_ScreenNormalMap    , r_shadow_prepassgeometrynormalmaptexture            );
2149                 if (r_glsl_permutation->tex_Texture_Cube              >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Cube               , rsurface.rtlight->currentcubemap                    );
2150                 if (r_glsl_permutation->tex_Texture_ShadowMap2D       >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_ShadowMap2D        , r_shadow_shadowmap2ddepthtexture                    );
2151                 if (r_glsl_permutation->tex_Texture_CubeProjection    >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_CubeProjection     , r_shadow_shadowmapvsdcttexture                      );
2152                 break;
2153         }
2154 }
2155
2156 #define SKINFRAME_HASH 1024
2157
2158 typedef struct
2159 {
2160         unsigned int loadsequence; // incremented each level change
2161         memexpandablearray_t array;
2162         skinframe_t *hash[SKINFRAME_HASH];
2163 }
2164 r_skinframe_t;
2165 r_skinframe_t r_skinframe;
2166
2167 void R_SkinFrame_PrepareForPurge(void)
2168 {
2169         r_skinframe.loadsequence++;
2170         // wrap it without hitting zero
2171         if (r_skinframe.loadsequence >= 200)
2172                 r_skinframe.loadsequence = 1;
2173 }
2174
2175 void R_SkinFrame_MarkUsed(skinframe_t *skinframe)
2176 {
2177         if (!skinframe)
2178                 return;
2179         // mark the skinframe as used for the purging code
2180         skinframe->loadsequence = r_skinframe.loadsequence;
2181 }
2182
2183 void R_SkinFrame_PurgeSkinFrame(skinframe_t *s)
2184 {
2185         if (s == NULL)
2186                 return;
2187         if (s->merged == s->base)
2188                 s->merged = NULL;
2189         R_PurgeTexture(s->stain); s->stain = NULL;
2190         R_PurgeTexture(s->merged); s->merged = NULL;
2191         R_PurgeTexture(s->base); s->base = NULL;
2192         R_PurgeTexture(s->pants); s->pants = NULL;
2193         R_PurgeTexture(s->shirt); s->shirt = NULL;
2194         R_PurgeTexture(s->nmap); s->nmap = NULL;
2195         R_PurgeTexture(s->gloss); s->gloss = NULL;
2196         R_PurgeTexture(s->glow); s->glow = NULL;
2197         R_PurgeTexture(s->fog); s->fog = NULL;
2198         R_PurgeTexture(s->reflect); s->reflect = NULL;
2199         s->loadsequence = 0;
2200 }
2201
2202 void R_SkinFrame_Purge(void)
2203 {
2204         int i;
2205         skinframe_t *s;
2206         for (i = 0;i < SKINFRAME_HASH;i++)
2207         {
2208                 for (s = r_skinframe.hash[i];s;s = s->next)
2209                 {
2210                         if (s->loadsequence && s->loadsequence != r_skinframe.loadsequence)
2211                                 R_SkinFrame_PurgeSkinFrame(s);
2212                 }
2213         }
2214 }
2215
2216 skinframe_t *R_SkinFrame_FindNextByName( skinframe_t *last, const char *name ) {
2217         skinframe_t *item;
2218         char basename[MAX_QPATH];
2219
2220         Image_StripImageExtension(name, basename, sizeof(basename));
2221
2222         if( last == NULL ) {
2223                 int hashindex;
2224                 hashindex = CRC_Block((unsigned char *)basename, strlen(basename)) & (SKINFRAME_HASH - 1);
2225                 item = r_skinframe.hash[hashindex];
2226         } else {
2227                 item = last->next;
2228         }
2229
2230         // linearly search through the hash bucket
2231         for( ; item ; item = item->next ) {
2232                 if( !strcmp( item->basename, basename ) ) {
2233                         return item;
2234                 }
2235         }
2236         return NULL;
2237 }
2238
2239 skinframe_t *R_SkinFrame_Find(const char *name, int textureflags, int comparewidth, int compareheight, int comparecrc, qbool add)
2240 {
2241         skinframe_t *item;
2242         int compareflags = textureflags & TEXF_IMPORTANTBITS;
2243         int hashindex;
2244         char basename[MAX_QPATH];
2245
2246         Image_StripImageExtension(name, basename, sizeof(basename));
2247
2248         hashindex = CRC_Block((unsigned char *)basename, strlen(basename)) & (SKINFRAME_HASH - 1);
2249         for (item = r_skinframe.hash[hashindex];item;item = item->next)
2250                 if (!strcmp(item->basename, basename) &&
2251                         item->textureflags == compareflags &&
2252                         item->comparewidth == comparewidth &&
2253                         item->compareheight == compareheight &&
2254                         item->comparecrc == comparecrc)
2255                         break;
2256
2257         if (!item)
2258         {
2259                 if (!add)
2260                         return NULL;
2261                 item = (skinframe_t *)Mem_ExpandableArray_AllocRecord(&r_skinframe.array);
2262                 memset(item, 0, sizeof(*item));
2263                 dp_strlcpy(item->basename, basename, sizeof(item->basename));
2264                 item->textureflags = compareflags;
2265                 item->comparewidth = comparewidth;
2266                 item->compareheight = compareheight;
2267                 item->comparecrc = comparecrc;
2268                 item->next = r_skinframe.hash[hashindex];
2269                 r_skinframe.hash[hashindex] = item;
2270         }
2271         else if (textureflags & TEXF_FORCE_RELOAD)
2272                 R_SkinFrame_PurgeSkinFrame(item);
2273
2274         R_SkinFrame_MarkUsed(item);
2275         return item;
2276 }
2277
2278 #define R_SKINFRAME_LOAD_AVERAGE_COLORS(cnt, getpixel) \
2279         { \
2280                 unsigned long long avgcolor[5], wsum; \
2281                 int pix, comp, w; \
2282                 avgcolor[0] = 0; \
2283                 avgcolor[1] = 0; \
2284                 avgcolor[2] = 0; \
2285                 avgcolor[3] = 0; \
2286                 avgcolor[4] = 0; \
2287                 wsum = 0; \
2288                 for(pix = 0; pix < cnt; ++pix) \
2289                 { \
2290                         w = 0; \
2291                         for(comp = 0; comp < 3; ++comp) \
2292                                 w += getpixel; \
2293                         if(w) /* ignore perfectly black pixels because that is better for model skins */ \
2294                         { \
2295                                 ++wsum; \
2296                                 /* comp = 3; -- not needed, comp is always 3 when we get here */ \
2297                                 w = getpixel; \
2298                                 for(comp = 0; comp < 3; ++comp) \
2299                                         avgcolor[comp] += getpixel * w; \
2300                                 avgcolor[3] += w; \
2301                         } \
2302                         /* comp = 3; -- not needed, comp is always 3 when we get here */ \
2303                         avgcolor[4] += getpixel; \
2304                 } \
2305                 if(avgcolor[3] == 0) /* no pixels seen? even worse */ \
2306                         avgcolor[3] = 1; \
2307                 skinframe->avgcolor[0] = avgcolor[2] / (255.0 * avgcolor[3]); \
2308                 skinframe->avgcolor[1] = avgcolor[1] / (255.0 * avgcolor[3]); \
2309                 skinframe->avgcolor[2] = avgcolor[0] / (255.0 * avgcolor[3]); \
2310                 skinframe->avgcolor[3] = avgcolor[4] / (255.0 * cnt); \
2311         }
2312
2313 skinframe_t *R_SkinFrame_LoadExternal(const char *name, int textureflags, qbool complain, qbool fallbacknotexture)
2314 {
2315         skinframe_t *skinframe;
2316
2317         if (cls.state == ca_dedicated)
2318                 return NULL;
2319
2320         // return an existing skinframe if already loaded
2321         skinframe = R_SkinFrame_Find(name, textureflags, 0, 0, 0, false);
2322         if (skinframe && skinframe->base)
2323                 return skinframe;
2324
2325         // if the skinframe doesn't exist this will create it
2326         return R_SkinFrame_LoadExternal_SkinFrame(skinframe, name, textureflags, complain, fallbacknotexture);
2327 }
2328
2329 extern cvar_t gl_picmip;
2330 skinframe_t *R_SkinFrame_LoadExternal_SkinFrame(skinframe_t *skinframe, const char *name, int textureflags, qbool complain, qbool fallbacknotexture)
2331 {
2332         int j;
2333         unsigned char *pixels;
2334         unsigned char *bumppixels;
2335         unsigned char *basepixels = NULL;
2336         int basepixels_width = 0;
2337         int basepixels_height = 0;
2338         rtexture_t *ddsbase = NULL;
2339         qbool ddshasalpha = false;
2340         float ddsavgcolor[4];
2341         char basename[MAX_QPATH];
2342         int miplevel = R_PicmipForFlags(textureflags);
2343         int savemiplevel = miplevel;
2344         int mymiplevel;
2345         char vabuf[1024];
2346
2347         if (cls.state == ca_dedicated)
2348                 return NULL;
2349
2350         Image_StripImageExtension(name, basename, sizeof(basename));
2351
2352         // check for DDS texture file first
2353         if (!r_loaddds || !(ddsbase = R_LoadTextureDDSFile(r_main_texturepool, va(vabuf, sizeof(vabuf), "dds/%s.dds", basename), vid.sRGB3D, textureflags, &ddshasalpha, ddsavgcolor, miplevel, false)))
2354         {
2355                 basepixels = loadimagepixelsbgra(name, complain, true, false, &miplevel);
2356                 if (basepixels == NULL && fallbacknotexture)
2357                         basepixels = Image_GenerateNoTexture();
2358                 if (basepixels == NULL)
2359                         return NULL;
2360         }
2361
2362         // FIXME handle miplevel
2363
2364         if (developer_loading.integer)
2365                 Con_Printf("loading skin \"%s\"\n", name);
2366
2367         // we've got some pixels to store, so really allocate this new texture now
2368         if (!skinframe)
2369                 skinframe = R_SkinFrame_Find(name, textureflags, 0, 0, 0, true);
2370         textureflags &= ~TEXF_FORCE_RELOAD;
2371         skinframe->stain = NULL;
2372         skinframe->merged = NULL;
2373         skinframe->base = NULL;
2374         skinframe->pants = NULL;
2375         skinframe->shirt = NULL;
2376         skinframe->nmap = NULL;
2377         skinframe->gloss = NULL;
2378         skinframe->glow = NULL;
2379         skinframe->fog = NULL;
2380         skinframe->reflect = NULL;
2381         skinframe->hasalpha = false;
2382         // we could store the q2animname here too
2383
2384         if (ddsbase)
2385         {
2386                 skinframe->base = ddsbase;
2387                 skinframe->hasalpha = ddshasalpha;
2388                 VectorCopy(ddsavgcolor, skinframe->avgcolor);
2389                 if (r_loadfog && skinframe->hasalpha)
2390                         skinframe->fog = R_LoadTextureDDSFile(r_main_texturepool, va(vabuf, sizeof(vabuf), "dds/%s_mask.dds", skinframe->basename), false, textureflags | TEXF_ALPHA, NULL, NULL, miplevel, true);
2391                 //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]);
2392         }
2393         else
2394         {
2395                 basepixels_width = image_width;
2396                 basepixels_height = image_height;
2397                 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);
2398                 if (textureflags & TEXF_ALPHA)
2399                 {
2400                         for (j = 3;j < basepixels_width * basepixels_height * 4;j += 4)
2401                         {
2402                                 if (basepixels[j] < 255)
2403                                 {
2404                                         skinframe->hasalpha = true;
2405                                         break;
2406                                 }
2407                         }
2408                         if (r_loadfog && skinframe->hasalpha)
2409                         {
2410                                 // has transparent pixels
2411                                 pixels = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
2412                                 for (j = 0;j < image_width * image_height * 4;j += 4)
2413                                 {
2414                                         pixels[j+0] = 255;
2415                                         pixels[j+1] = 255;
2416                                         pixels[j+2] = 255;
2417                                         pixels[j+3] = basepixels[j+3];
2418                                 }
2419                                 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);
2420                                 Mem_Free(pixels);
2421                         }
2422                 }
2423                 R_SKINFRAME_LOAD_AVERAGE_COLORS(basepixels_width * basepixels_height, basepixels[4 * pix + comp]);
2424 #ifndef USE_GLES2
2425                 //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]);
2426                 if (r_savedds && skinframe->base)
2427                         R_SaveTextureDDSFile(skinframe->base, va(vabuf, sizeof(vabuf), "dds/%s.dds", skinframe->basename), r_texture_dds_save.integer < 2, skinframe->hasalpha);
2428                 if (r_savedds && skinframe->fog)
2429                         R_SaveTextureDDSFile(skinframe->fog, va(vabuf, sizeof(vabuf), "dds/%s_mask.dds", skinframe->basename), r_texture_dds_save.integer < 2, true);
2430 #endif
2431         }
2432
2433         if (r_loaddds)
2434         {
2435                 mymiplevel = savemiplevel;
2436                 if (r_loadnormalmap)
2437                         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, true);
2438                 skinframe->glow = R_LoadTextureDDSFile(r_main_texturepool, va(vabuf, sizeof(vabuf), "dds/%s_glow.dds", skinframe->basename), vid.sRGB3D, textureflags, NULL, NULL, mymiplevel, true);
2439                 if (r_loadgloss)
2440                         skinframe->gloss = R_LoadTextureDDSFile(r_main_texturepool, va(vabuf, sizeof(vabuf), "dds/%s_gloss.dds", skinframe->basename), vid.sRGB3D, textureflags, NULL, NULL, mymiplevel, true);
2441                 skinframe->pants = R_LoadTextureDDSFile(r_main_texturepool, va(vabuf, sizeof(vabuf), "dds/%s_pants.dds", skinframe->basename), vid.sRGB3D, textureflags, NULL, NULL, mymiplevel, true);
2442                 skinframe->shirt = R_LoadTextureDDSFile(r_main_texturepool, va(vabuf, sizeof(vabuf), "dds/%s_shirt.dds", skinframe->basename), vid.sRGB3D, textureflags, NULL, NULL, mymiplevel, true);
2443                 skinframe->reflect = R_LoadTextureDDSFile(r_main_texturepool, va(vabuf, sizeof(vabuf), "dds/%s_reflect.dds", skinframe->basename), vid.sRGB3D, textureflags, NULL, NULL, mymiplevel, true);
2444         }
2445
2446         // _norm is the name used by tenebrae and has been adopted as standard
2447         if (r_loadnormalmap && skinframe->nmap == NULL)
2448         {
2449                 mymiplevel = savemiplevel;
2450                 if ((pixels = loadimagepixelsbgra(va(vabuf, sizeof(vabuf), "%s_norm", skinframe->basename), false, false, false, &mymiplevel)) != NULL)
2451                 {
2452                         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);
2453                         Mem_Free(pixels);
2454                         pixels = NULL;
2455                 }
2456                 else if (r_shadow_bumpscale_bumpmap.value > 0 && (bumppixels = loadimagepixelsbgra(va(vabuf, sizeof(vabuf), "%s_bump", skinframe->basename), false, false, false, &mymiplevel)) != NULL)
2457                 {
2458                         pixels = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
2459                         Image_HeightmapToNormalmap_BGRA(bumppixels, pixels, image_width, image_height, false, r_shadow_bumpscale_bumpmap.value);
2460                         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);
2461                         Mem_Free(pixels);
2462                         Mem_Free(bumppixels);
2463                 }
2464                 else if (r_shadow_bumpscale_basetexture.value > 0)
2465                 {
2466                         pixels = (unsigned char *)Mem_Alloc(tempmempool, basepixels_width * basepixels_height * 4);
2467                         Image_HeightmapToNormalmap_BGRA(basepixels, pixels, basepixels_width, basepixels_height, false, r_shadow_bumpscale_basetexture.value);
2468                         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);
2469                         Mem_Free(pixels);
2470                 }
2471 #ifndef USE_GLES2
2472                 if (r_savedds && skinframe->nmap)
2473                         R_SaveTextureDDSFile(skinframe->nmap, va(vabuf, sizeof(vabuf), "dds/%s_norm.dds", skinframe->basename), r_texture_dds_save.integer < 2, true);
2474 #endif
2475         }
2476
2477         // _luma is supported only for tenebrae compatibility
2478         // _blend and .blend are supported only for Q3 & QL compatibility, this hack can be removed if better Q3 shader support is implemented
2479         // _glow is the preferred name
2480         mymiplevel = savemiplevel;
2481         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.blend", skinframe->basename), false, false, false, &mymiplevel)) || (pixels = loadimagepixelsbgra(va(vabuf, sizeof(vabuf), "%s_blend", skinframe->basename), false, false, false, &mymiplevel)) || (pixels = loadimagepixelsbgra(va(vabuf, sizeof(vabuf), "%s_luma", skinframe->basename), false, false, false, &mymiplevel))))
2482         {
2483                 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);
2484 #ifndef USE_GLES2
2485                 if (r_savedds && skinframe->glow)
2486                         R_SaveTextureDDSFile(skinframe->glow, va(vabuf, sizeof(vabuf), "dds/%s_glow.dds", skinframe->basename), r_texture_dds_save.integer < 2, true);
2487 #endif
2488                 Mem_Free(pixels);pixels = NULL;
2489         }
2490
2491         mymiplevel = savemiplevel;
2492         if (skinframe->gloss == NULL && r_loadgloss && (pixels = loadimagepixelsbgra(va(vabuf, sizeof(vabuf), "%s_gloss", skinframe->basename), false, false, false, &mymiplevel)))
2493         {
2494                 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);
2495 #ifndef USE_GLES2
2496                 if (r_savedds && skinframe->gloss)
2497                         R_SaveTextureDDSFile(skinframe->gloss, va(vabuf, sizeof(vabuf), "dds/%s_gloss.dds", skinframe->basename), r_texture_dds_save.integer < 2, true);
2498 #endif
2499                 Mem_Free(pixels);
2500                 pixels = NULL;
2501         }
2502
2503         mymiplevel = savemiplevel;
2504         if (skinframe->pants == NULL && (pixels = loadimagepixelsbgra(va(vabuf, sizeof(vabuf), "%s_pants", skinframe->basename), false, false, false, &mymiplevel)))
2505         {
2506                 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);
2507 #ifndef USE_GLES2
2508                 if (r_savedds && skinframe->pants)
2509                         R_SaveTextureDDSFile(skinframe->pants, va(vabuf, sizeof(vabuf), "dds/%s_pants.dds", skinframe->basename), r_texture_dds_save.integer < 2, false);
2510 #endif
2511                 Mem_Free(pixels);
2512                 pixels = NULL;
2513         }
2514
2515         mymiplevel = savemiplevel;
2516         if (skinframe->shirt == NULL && (pixels = loadimagepixelsbgra(va(vabuf, sizeof(vabuf), "%s_shirt", skinframe->basename), false, false, false, &mymiplevel)))
2517         {
2518                 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);
2519 #ifndef USE_GLES2
2520                 if (r_savedds && skinframe->shirt)
2521                         R_SaveTextureDDSFile(skinframe->shirt, va(vabuf, sizeof(vabuf), "dds/%s_shirt.dds", skinframe->basename), r_texture_dds_save.integer < 2, false);
2522 #endif
2523                 Mem_Free(pixels);
2524                 pixels = NULL;
2525         }
2526
2527         mymiplevel = savemiplevel;
2528         if (skinframe->reflect == NULL && (pixels = loadimagepixelsbgra(va(vabuf, sizeof(vabuf), "%s_reflect", skinframe->basename), false, false, false, &mymiplevel)))
2529         {
2530                 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);
2531 #ifndef USE_GLES2
2532                 if (r_savedds && skinframe->reflect)
2533                         R_SaveTextureDDSFile(skinframe->reflect, va(vabuf, sizeof(vabuf), "dds/%s_reflect.dds", skinframe->basename), r_texture_dds_save.integer < 2, true);
2534 #endif
2535                 Mem_Free(pixels);
2536                 pixels = NULL;
2537         }
2538
2539         if (basepixels)
2540                 Mem_Free(basepixels);
2541
2542         return skinframe;
2543 }
2544
2545 skinframe_t *R_SkinFrame_LoadInternalBGRA(const char *name, int textureflags, const unsigned char *skindata, int width, int height, int comparewidth, int compareheight, int comparecrc, qbool sRGB)
2546 {
2547         int i;
2548         skinframe_t *skinframe;
2549         char vabuf[1024];
2550
2551         if (cls.state == ca_dedicated)
2552                 return NULL;
2553
2554         // if already loaded just return it, otherwise make a new skinframe
2555         skinframe = R_SkinFrame_Find(name, textureflags, comparewidth, compareheight, comparecrc, true);
2556         if (skinframe->base)
2557                 return skinframe;
2558         textureflags &= ~TEXF_FORCE_RELOAD;
2559
2560         skinframe->stain = NULL;
2561         skinframe->merged = NULL;
2562         skinframe->base = NULL;
2563         skinframe->pants = NULL;
2564         skinframe->shirt = NULL;
2565         skinframe->nmap = NULL;
2566         skinframe->gloss = NULL;
2567         skinframe->glow = NULL;
2568         skinframe->fog = NULL;
2569         skinframe->reflect = NULL;
2570         skinframe->hasalpha = false;
2571
2572         // if no data was provided, then clearly the caller wanted to get a blank skinframe
2573         if (!skindata)
2574                 return NULL;
2575
2576         if (developer_loading.integer)
2577                 Con_Printf("loading 32bit skin \"%s\"\n", name);
2578
2579         if (r_loadnormalmap && r_shadow_bumpscale_basetexture.value > 0)
2580         {
2581                 unsigned char *a = (unsigned char *)Mem_Alloc(tempmempool, width * height * 8);
2582                 unsigned char *b = a + width * height * 4;
2583                 Image_HeightmapToNormalmap_BGRA(skindata, b, width, height, false, r_shadow_bumpscale_basetexture.value);
2584                 skinframe->nmap = R_LoadTexture2D(r_main_texturepool, va(vabuf, sizeof(vabuf), "%s_nmap", skinframe->basename), width, height, b, TEXTYPE_BGRA, (textureflags | TEXF_ALPHA) & (r_mipnormalmaps.integer ? ~0 : ~TEXF_MIPMAP), -1, NULL);
2585                 Mem_Free(a);
2586         }
2587         skinframe->base = skinframe->merged = R_LoadTexture2D(r_main_texturepool, skinframe->basename, width, height, skindata, sRGB ? TEXTYPE_SRGB_BGRA : TEXTYPE_BGRA, textureflags, -1, NULL);
2588         if (textureflags & TEXF_ALPHA)
2589         {
2590                 for (i = 3;i < width * height * 4;i += 4)
2591                 {
2592                         if (skindata[i] < 255)
2593                         {
2594                                 skinframe->hasalpha = true;
2595                                 break;
2596                         }
2597                 }
2598                 if (r_loadfog && skinframe->hasalpha)
2599                 {
2600                         unsigned char *fogpixels = (unsigned char *)Mem_Alloc(tempmempool, width * height * 4);
2601                         memcpy(fogpixels, skindata, width * height * 4);
2602                         for (i = 0;i < width * height * 4;i += 4)
2603                                 fogpixels[i] = fogpixels[i+1] = fogpixels[i+2] = 255;
2604                         skinframe->fog = R_LoadTexture2D(r_main_texturepool, va(vabuf, sizeof(vabuf), "%s_fog", skinframe->basename), width, height, fogpixels, TEXTYPE_BGRA, textureflags, -1, NULL);
2605                         Mem_Free(fogpixels);
2606                 }
2607         }
2608
2609         R_SKINFRAME_LOAD_AVERAGE_COLORS(width * height, skindata[4 * pix + comp]);
2610         //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]);
2611
2612         return skinframe;
2613 }
2614
2615 skinframe_t *R_SkinFrame_LoadInternalQuake(const char *name, int textureflags, int loadpantsandshirt, int loadglowtexture, const unsigned char *skindata, int width, int height)
2616 {
2617         int i;
2618         int featuresmask;
2619         skinframe_t *skinframe;
2620
2621         if (cls.state == ca_dedicated)
2622                 return NULL;
2623
2624         // if already loaded just return it, otherwise make a new skinframe
2625         skinframe = R_SkinFrame_Find(name, textureflags, width, height, skindata ? CRC_Block(skindata, width*height) : 0, true);
2626         if (skinframe->base)
2627                 return skinframe;
2628         //textureflags &= ~TEXF_FORCE_RELOAD;
2629
2630         skinframe->stain = NULL;
2631         skinframe->merged = NULL;
2632         skinframe->base = NULL;
2633         skinframe->pants = NULL;
2634         skinframe->shirt = NULL;
2635         skinframe->nmap = NULL;
2636         skinframe->gloss = NULL;
2637         skinframe->glow = NULL;
2638         skinframe->fog = NULL;
2639         skinframe->reflect = NULL;
2640         skinframe->hasalpha = false;
2641
2642         // if no data was provided, then clearly the caller wanted to get a blank skinframe
2643         if (!skindata)
2644                 return NULL;
2645
2646         if (developer_loading.integer)
2647                 Con_Printf("loading quake skin \"%s\"\n", name);
2648
2649         // 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)
2650         skinframe->qpixels = (unsigned char *)Mem_Alloc(r_main_mempool, width*height); // FIXME LEAK
2651         memcpy(skinframe->qpixels, skindata, width*height);
2652         skinframe->qwidth = width;
2653         skinframe->qheight = height;
2654
2655         featuresmask = 0;
2656         for (i = 0;i < width * height;i++)
2657                 featuresmask |= palette_featureflags[skindata[i]];
2658
2659         skinframe->hasalpha = false;
2660         // fence textures
2661         if (name[0] == '{')
2662                 skinframe->hasalpha = true;
2663         skinframe->qhascolormapping = loadpantsandshirt && (featuresmask & (PALETTEFEATURE_PANTS | PALETTEFEATURE_SHIRT));
2664         skinframe->qgeneratenmap = r_shadow_bumpscale_basetexture.value > 0;
2665         skinframe->qgeneratemerged = true;
2666         skinframe->qgeneratebase = skinframe->qhascolormapping;
2667         skinframe->qgenerateglow = loadglowtexture && (featuresmask & PALETTEFEATURE_GLOW);
2668
2669         R_SKINFRAME_LOAD_AVERAGE_COLORS(width * height, ((unsigned char *)palette_bgra_complete)[skindata[pix]*4 + comp]);
2670         //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]);
2671
2672         return skinframe;
2673 }
2674
2675 static void R_SkinFrame_GenerateTexturesFromQPixels(skinframe_t *skinframe, qbool colormapped)
2676 {
2677         int width;
2678         int height;
2679         unsigned char *skindata;
2680         char vabuf[1024];
2681
2682         if (!skinframe->qpixels)
2683                 return;
2684
2685         if (!skinframe->qhascolormapping)
2686                 colormapped = false;
2687
2688         if (colormapped)
2689         {
2690                 if (!skinframe->qgeneratebase)
2691                         return;
2692         }
2693         else
2694         {
2695                 if (!skinframe->qgeneratemerged)
2696                         return;
2697         }
2698
2699         width = skinframe->qwidth;
2700         height = skinframe->qheight;
2701         skindata = skinframe->qpixels;
2702
2703         if (skinframe->qgeneratenmap)
2704         {
2705                 unsigned char *a, *b;
2706                 skinframe->qgeneratenmap = false;
2707                 a = (unsigned char *)Mem_Alloc(tempmempool, width * height * 8);
2708                 b = a + width * height * 4;
2709                 // use either a custom palette or the quake palette
2710                 Image_Copy8bitBGRA(skindata, a, width * height, palette_bgra_complete);
2711                 Image_HeightmapToNormalmap_BGRA(a, b, width, height, false, r_shadow_bumpscale_basetexture.value);
2712                 skinframe->nmap = R_LoadTexture2D(r_main_texturepool, va(vabuf, sizeof(vabuf), "%s_nmap", skinframe->basename), width, height, b, TEXTYPE_BGRA, (skinframe->textureflags | TEXF_ALPHA) & (r_mipnormalmaps.integer ? ~0 : ~TEXF_MIPMAP), -1, NULL);
2713                 Mem_Free(a);
2714         }
2715
2716         if (skinframe->qgenerateglow)
2717         {
2718                 skinframe->qgenerateglow = false;
2719                 if (skinframe->hasalpha) // fence textures
2720                         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 | TEXF_ALPHA, -1, palette_bgra_onlyfullbrights_transparent); // glow
2721                 else
2722                         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
2723         }
2724
2725         if (colormapped)
2726         {
2727                 skinframe->qgeneratebase = false;
2728                 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);
2729                 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);
2730                 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);
2731         }
2732         else
2733         {
2734                 skinframe->qgeneratemerged = false;
2735                 if (skinframe->hasalpha) // fence textures
2736                         skinframe->merged = R_LoadTexture2D(r_main_texturepool, skinframe->basename, width, height, skindata, vid.sRGB3D ? TEXTYPE_SRGB_PALETTE : TEXTYPE_PALETTE, skinframe->textureflags | TEXF_ALPHA, -1, skinframe->glow ? palette_bgra_nofullbrights_transparent : palette_bgra_transparent);
2737                 else
2738                         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);
2739         }
2740
2741         if (!skinframe->qgeneratemerged && !skinframe->qgeneratebase)
2742         {
2743                 Mem_Free(skinframe->qpixels);
2744                 skinframe->qpixels = NULL;
2745         }
2746 }
2747
2748 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)
2749 {
2750         int i;
2751         skinframe_t *skinframe;
2752         char vabuf[1024];
2753
2754         if (cls.state == ca_dedicated)
2755                 return NULL;
2756
2757         // if already loaded just return it, otherwise make a new skinframe
2758         skinframe = R_SkinFrame_Find(name, textureflags, width, height, skindata ? CRC_Block(skindata, width*height) : 0, true);
2759         if (skinframe->base)
2760                 return skinframe;
2761         textureflags &= ~TEXF_FORCE_RELOAD;
2762
2763         skinframe->stain = NULL;
2764         skinframe->merged = NULL;
2765         skinframe->base = NULL;
2766         skinframe->pants = NULL;
2767         skinframe->shirt = NULL;
2768         skinframe->nmap = NULL;
2769         skinframe->gloss = NULL;
2770         skinframe->glow = NULL;
2771         skinframe->fog = NULL;
2772         skinframe->reflect = NULL;
2773         skinframe->hasalpha = false;
2774
2775         // if no data was provided, then clearly the caller wanted to get a blank skinframe
2776         if (!skindata)
2777                 return NULL;
2778
2779         if (developer_loading.integer)
2780                 Con_Printf("loading embedded 8bit image \"%s\"\n", name);
2781
2782         skinframe->base = skinframe->merged = R_LoadTexture2D(r_main_texturepool, skinframe->basename, width, height, skindata, TEXTYPE_PALETTE, textureflags, -1, palette);
2783         if ((textureflags & TEXF_ALPHA) && alphapalette)
2784         {
2785                 for (i = 0;i < width * height;i++)
2786                 {
2787                         if (((unsigned char *)palette)[skindata[i]*4+3] < 255)
2788                         {
2789                                 skinframe->hasalpha = true;
2790                                 break;
2791                         }
2792                 }
2793                 if (r_loadfog && skinframe->hasalpha)
2794                         skinframe->fog = R_LoadTexture2D(r_main_texturepool, va(vabuf, sizeof(vabuf), "%s_fog", skinframe->basename), width, height, skindata, TEXTYPE_PALETTE, textureflags, -1, alphapalette);
2795         }
2796
2797         R_SKINFRAME_LOAD_AVERAGE_COLORS(width * height, ((unsigned char *)palette)[skindata[pix]*4 + comp]);
2798         //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]);
2799
2800         return skinframe;
2801 }
2802
2803 skinframe_t *R_SkinFrame_LoadMissing(void)
2804 {
2805         skinframe_t *skinframe;
2806
2807         if (cls.state == ca_dedicated)
2808                 return NULL;
2809
2810         skinframe = R_SkinFrame_Find("missing", TEXF_FORCENEAREST, 0, 0, 0, true);
2811         skinframe->stain = NULL;
2812         skinframe->merged = NULL;
2813         skinframe->base = NULL;
2814         skinframe->pants = NULL;
2815         skinframe->shirt = NULL;
2816         skinframe->nmap = NULL;
2817         skinframe->gloss = NULL;
2818         skinframe->glow = NULL;
2819         skinframe->fog = NULL;
2820         skinframe->reflect = NULL;
2821         skinframe->hasalpha = false;
2822
2823         skinframe->avgcolor[0] = rand() / RAND_MAX;
2824         skinframe->avgcolor[1] = rand() / RAND_MAX;
2825         skinframe->avgcolor[2] = rand() / RAND_MAX;
2826         skinframe->avgcolor[3] = 1;
2827
2828         return skinframe;
2829 }
2830
2831 skinframe_t *R_SkinFrame_LoadNoTexture(void)
2832 {
2833         if (cls.state == ca_dedicated)
2834                 return NULL;
2835
2836         return R_SkinFrame_LoadInternalBGRA("notexture", TEXF_FORCENEAREST, Image_GenerateNoTexture(), 16, 16, 0, 0, 0, false);
2837 }
2838
2839 skinframe_t *R_SkinFrame_LoadInternalUsingTexture(const char *name, int textureflags, rtexture_t *tex, int width, int height, qbool sRGB)
2840 {
2841         skinframe_t *skinframe;
2842         if (cls.state == ca_dedicated)
2843                 return NULL;
2844         // if already loaded just return it, otherwise make a new skinframe
2845         skinframe = R_SkinFrame_Find(name, textureflags, width, height, 0, true);
2846         if (skinframe->base)
2847                 return skinframe;
2848         textureflags &= ~TEXF_FORCE_RELOAD;
2849         skinframe->stain = NULL;
2850         skinframe->merged = NULL;
2851         skinframe->base = NULL;
2852         skinframe->pants = NULL;
2853         skinframe->shirt = NULL;
2854         skinframe->nmap = NULL;
2855         skinframe->gloss = NULL;
2856         skinframe->glow = NULL;
2857         skinframe->fog = NULL;
2858         skinframe->reflect = NULL;
2859         skinframe->hasalpha = (textureflags & TEXF_ALPHA) != 0;
2860         // if no data was provided, then clearly the caller wanted to get a blank skinframe
2861         if (!tex)
2862                 return NULL;
2863         if (developer_loading.integer)
2864                 Con_Printf("loading 32bit skin \"%s\"\n", name);
2865         skinframe->base = skinframe->merged = tex;
2866         Vector4Set(skinframe->avgcolor, 1, 1, 1, 1); // bogus placeholder
2867         return skinframe;
2868 }
2869
2870 //static char *suffix[6] = {"ft", "bk", "rt", "lf", "up", "dn"};
2871 typedef struct suffixinfo_s
2872 {
2873         const char *suffix;
2874         qbool flipx, flipy, flipdiagonal;
2875 }
2876 suffixinfo_t;
2877 static suffixinfo_t suffix[3][6] =
2878 {
2879         {
2880                 {"px",   false, false, false},
2881                 {"nx",   false, false, false},
2882                 {"py",   false, false, false},
2883                 {"ny",   false, false, false},
2884                 {"pz",   false, false, false},
2885                 {"nz",   false, false, false}
2886         },
2887         {
2888                 {"posx", false, false, false},
2889                 {"negx", false, false, false},
2890                 {"posy", false, false, false},
2891                 {"negy", false, false, false},
2892                 {"posz", false, false, false},
2893                 {"negz", false, false, false}
2894         },
2895         {
2896                 {"rt",    true, false,  true},
2897                 {"lf",   false,  true,  true},
2898                 {"ft",    true,  true, false},
2899                 {"bk",   false, false, false},
2900                 {"up",    true, false,  true},
2901                 {"dn",    true, false,  true}
2902         }
2903 };
2904
2905 static int componentorder[4] = {0, 1, 2, 3};
2906
2907 static rtexture_t *R_LoadCubemap(const char *basename)
2908 {
2909         int i, j, cubemapsize, forcefilter;
2910         unsigned char *cubemappixels, *image_buffer;
2911         rtexture_t *cubemaptexture;
2912         char name[256];
2913
2914         // HACK: if the cubemap name starts with a !, the cubemap is nearest-filtered
2915         forcefilter = TEXF_FORCELINEAR;
2916         if (basename && basename[0] == '!')
2917         {
2918                 basename++;
2919                 forcefilter = TEXF_FORCENEAREST;
2920         }
2921         // must start 0 so the first loadimagepixels has no requested width/height
2922         cubemapsize = 0;
2923         cubemappixels = NULL;
2924         cubemaptexture = NULL;
2925         // keep trying different suffix groups (posx, px, rt) until one loads
2926         for (j = 0;j < 3 && !cubemappixels;j++)
2927         {
2928                 // load the 6 images in the suffix group
2929                 for (i = 0;i < 6;i++)
2930                 {
2931                         // generate an image name based on the base and and suffix
2932                         dpsnprintf(name, sizeof(name), "%s%s", basename, suffix[j][i].suffix);
2933                         // load it
2934                         if ((image_buffer = loadimagepixelsbgra(name, false, false, false, NULL)))
2935                         {
2936                                 // an image loaded, make sure width and height are equal
2937                                 if (image_width == image_height && (!cubemappixels || image_width == cubemapsize))
2938                                 {
2939                                         // if this is the first image to load successfully, allocate the cubemap memory
2940                                         if (!cubemappixels && image_width >= 1)
2941                                         {
2942                                                 cubemapsize = image_width;
2943                                                 // note this clears to black, so unavailable sides are black
2944                                                 cubemappixels = (unsigned char *)Mem_Alloc(tempmempool, 6*cubemapsize*cubemapsize*4);
2945                                         }
2946                                         // copy the image with any flipping needed by the suffix (px and posx types don't need flipping)
2947                                         if (cubemappixels)
2948                                                 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);
2949                                 }
2950                                 else
2951                                         Con_Printf("Cubemap image \"%s\" (%ix%i) is not square, OpenGL requires square cubemaps.\n", name, image_width, image_height);
2952                                 // free the image
2953                                 Mem_Free(image_buffer);
2954                         }
2955                 }
2956         }
2957         // if a cubemap loaded, upload it
2958         if (cubemappixels)
2959         {
2960                 if (developer_loading.integer)
2961                         Con_Printf("loading cubemap \"%s\"\n", basename);
2962
2963                 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) | forcefilter | TEXF_CLAMP, -1, NULL);
2964                 Mem_Free(cubemappixels);
2965         }
2966         else
2967         {
2968                 Con_DPrintf("failed to load cubemap \"%s\"\n", basename);
2969                 if (developer_loading.integer)
2970                 {
2971                         Con_Printf("(tried tried images ");
2972                         for (j = 0;j < 3;j++)
2973                                 for (i = 0;i < 6;i++)
2974                                         Con_Printf("%s\"%s%s.tga\"", j + i > 0 ? ", " : "", basename, suffix[j][i].suffix);
2975                         Con_Print(" and was unable to find any of them).\n");
2976                 }
2977         }
2978         return cubemaptexture;
2979 }
2980
2981 rtexture_t *R_GetCubemap(const char *basename)
2982 {
2983         int i;
2984         for (i = 0;i < r_texture_numcubemaps;i++)
2985                 if (r_texture_cubemaps[i] != NULL)
2986                         if (!strcasecmp(r_texture_cubemaps[i]->basename, basename))
2987                                 return r_texture_cubemaps[i]->texture ? r_texture_cubemaps[i]->texture : r_texture_whitecube;
2988         if (i >= MAX_CUBEMAPS || !r_main_mempool)
2989                 return r_texture_whitecube;
2990         r_texture_numcubemaps++;
2991         r_texture_cubemaps[i] = (cubemapinfo_t *)Mem_Alloc(r_main_mempool, sizeof(cubemapinfo_t));
2992         dp_strlcpy(r_texture_cubemaps[i]->basename, basename, sizeof(r_texture_cubemaps[i]->basename));
2993         r_texture_cubemaps[i]->texture = R_LoadCubemap(r_texture_cubemaps[i]->basename);
2994         return r_texture_cubemaps[i]->texture;
2995 }
2996
2997 static void R_Main_FreeViewCache(void)
2998 {
2999         if (r_refdef.viewcache.entityvisible)
3000                 Mem_Free(r_refdef.viewcache.entityvisible);
3001         if (r_refdef.viewcache.world_pvsbits)
3002                 Mem_Free(r_refdef.viewcache.world_pvsbits);
3003         if (r_refdef.viewcache.world_leafvisible)
3004                 Mem_Free(r_refdef.viewcache.world_leafvisible);
3005         if (r_refdef.viewcache.world_surfacevisible)
3006                 Mem_Free(r_refdef.viewcache.world_surfacevisible);
3007         memset(&r_refdef.viewcache, 0, sizeof(r_refdef.viewcache));
3008 }
3009
3010 static void R_Main_ResizeViewCache(void)
3011 {
3012         int numentities = r_refdef.scene.numentities;
3013         int numclusters = r_refdef.scene.worldmodel ? r_refdef.scene.worldmodel->brush.num_pvsclusters : 1;
3014         int numclusterbytes = r_refdef.scene.worldmodel ? r_refdef.scene.worldmodel->brush.num_pvsclusterbytes : 1;
3015         int numleafs = r_refdef.scene.worldmodel ? r_refdef.scene.worldmodel->brush.num_leafs : 1;
3016         int numsurfaces = r_refdef.scene.worldmodel ? r_refdef.scene.worldmodel->num_surfaces : 1;
3017         if (r_refdef.viewcache.maxentities < numentities)
3018         {
3019                 r_refdef.viewcache.maxentities = numentities;
3020                 if (r_refdef.viewcache.entityvisible)
3021                         Mem_Free(r_refdef.viewcache.entityvisible);
3022                 r_refdef.viewcache.entityvisible = (unsigned char *)Mem_Alloc(r_main_mempool, r_refdef.viewcache.maxentities);
3023         }
3024         if (r_refdef.viewcache.world_numclusters != numclusters)
3025         {
3026                 r_refdef.viewcache.world_numclusters = numclusters;
3027                 r_refdef.viewcache.world_numclusterbytes = numclusterbytes;
3028                 if (r_refdef.viewcache.world_pvsbits)
3029                         Mem_Free(r_refdef.viewcache.world_pvsbits);
3030                 r_refdef.viewcache.world_pvsbits = (unsigned char *)Mem_Alloc(r_main_mempool, r_refdef.viewcache.world_numclusterbytes);
3031         }
3032         if (r_refdef.viewcache.world_numleafs != numleafs)
3033         {
3034                 r_refdef.viewcache.world_numleafs = numleafs;
3035                 if (r_refdef.viewcache.world_leafvisible)
3036                         Mem_Free(r_refdef.viewcache.world_leafvisible);
3037                 r_refdef.viewcache.world_leafvisible = (unsigned char *)Mem_Alloc(r_main_mempool, r_refdef.viewcache.world_numleafs);
3038         }
3039         if (r_refdef.viewcache.world_numsurfaces != numsurfaces)
3040         {
3041                 r_refdef.viewcache.world_numsurfaces = numsurfaces;
3042                 if (r_refdef.viewcache.world_surfacevisible)
3043                         Mem_Free(r_refdef.viewcache.world_surfacevisible);
3044                 r_refdef.viewcache.world_surfacevisible = (unsigned char *)Mem_Alloc(r_main_mempool, r_refdef.viewcache.world_numsurfaces);
3045         }
3046 }
3047
3048 extern rtexture_t *loadingscreentexture;
3049 static void gl_main_start(void)
3050 {
3051         loadingscreentexture = NULL;
3052         r_texture_blanknormalmap = NULL;
3053         r_texture_white = NULL;
3054         r_texture_grey128 = NULL;
3055         r_texture_black = NULL;
3056         r_texture_whitecube = NULL;
3057         r_texture_normalizationcube = NULL;
3058         r_texture_fogattenuation = NULL;
3059         r_texture_fogheighttexture = NULL;
3060         r_texture_gammaramps = NULL;
3061         r_texture_numcubemaps = 0;
3062         r_uniformbufferalignment = 32;
3063
3064         r_loaddds = r_texture_dds_load.integer != 0;
3065         r_savedds = vid.support.ext_texture_compression_s3tc && r_texture_dds_save.integer;
3066
3067         switch(vid.renderpath)
3068         {
3069         case RENDERPATH_GL32:
3070         case RENDERPATH_GLES2:
3071                 r_loadnormalmap = true;
3072                 r_loadgloss = true;
3073                 r_loadfog = false;
3074 #ifdef GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT
3075                 qglGetIntegerv(GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT, &r_uniformbufferalignment);
3076 #endif
3077                 break;
3078         }
3079
3080         R_AnimCache_Free();
3081         R_FrameData_Reset();
3082         R_BufferData_Reset();
3083
3084         r_numqueries = 0;
3085         r_maxqueries = 0;
3086         memset(r_queries, 0, sizeof(r_queries));
3087
3088         r_qwskincache = NULL;
3089         r_qwskincache_size = 0;
3090
3091         // due to caching of texture_t references, the collision cache must be reset
3092         Collision_Cache_Reset(true);
3093
3094         // set up r_skinframe loading system for textures
3095         memset(&r_skinframe, 0, sizeof(r_skinframe));
3096         r_skinframe.loadsequence = 1;
3097         Mem_ExpandableArray_NewArray(&r_skinframe.array, r_main_mempool, sizeof(skinframe_t), 256);
3098
3099         r_main_texturepool = R_AllocTexturePool();
3100         R_BuildBlankTextures();
3101         R_BuildNoTexture();
3102         R_BuildWhiteCube();
3103 #ifndef USE_GLES2
3104         R_BuildNormalizationCube();
3105 #endif //USE_GLES2
3106         r_texture_fogattenuation = NULL;
3107         r_texture_fogheighttexture = NULL;
3108         r_texture_gammaramps = NULL;
3109         //r_texture_fogintensity = NULL;
3110         memset(&r_fb, 0, sizeof(r_fb));
3111         Mem_ExpandableArray_NewArray(&r_fb.rendertargets, r_main_mempool, sizeof(r_rendertarget_t), 128);
3112         r_glsl_permutation = NULL;
3113         memset(r_glsl_permutationhash, 0, sizeof(r_glsl_permutationhash));
3114         Mem_ExpandableArray_NewArray(&r_glsl_permutationarray, r_main_mempool, sizeof(r_glsl_permutation_t), 256);
3115         memset(&r_svbsp, 0, sizeof (r_svbsp));
3116
3117         memset(r_texture_cubemaps, 0, sizeof(r_texture_cubemaps));
3118         r_texture_numcubemaps = 0;
3119
3120         r_refdef.fogmasktable_density = 0;
3121
3122 #ifdef __ANDROID__
3123         // For Steelstorm Android
3124         // FIXME CACHE the program and reload
3125         // FIXME see possible combinations for SS:BR android
3126         Con_DPrintf("Compiling most used shaders for SS:BR android... START\n");
3127         R_SetupShader_SetPermutationGLSL(0, 12);
3128         R_SetupShader_SetPermutationGLSL(0, 13);
3129         R_SetupShader_SetPermutationGLSL(0, 8388621);
3130         R_SetupShader_SetPermutationGLSL(3, 0);
3131         R_SetupShader_SetPermutationGLSL(3, 2048);
3132         R_SetupShader_SetPermutationGLSL(5, 0);
3133         R_SetupShader_SetPermutationGLSL(5, 2);
3134         R_SetupShader_SetPermutationGLSL(5, 2048);
3135         R_SetupShader_SetPermutationGLSL(5, 8388608);
3136         R_SetupShader_SetPermutationGLSL(11, 1);
3137         R_SetupShader_SetPermutationGLSL(11, 2049);
3138         R_SetupShader_SetPermutationGLSL(11, 8193);
3139         R_SetupShader_SetPermutationGLSL(11, 10241);
3140         Con_DPrintf("Compiling most used shaders for SS:BR android... END\n");
3141 #endif
3142 }
3143
3144 extern unsigned int r_shadow_occlusion_buf;
3145
3146 static void gl_main_shutdown(void)
3147 {
3148         R_RenderTarget_FreeUnused(true);
3149         Mem_ExpandableArray_FreeArray(&r_fb.rendertargets);
3150         R_AnimCache_Free();
3151         R_FrameData_Reset();
3152         R_BufferData_Reset();
3153
3154         R_Main_FreeViewCache();
3155
3156         switch(vid.renderpath)
3157         {
3158         case RENDERPATH_GL32:
3159         case RENDERPATH_GLES2:
3160 #if defined(GL_SAMPLES_PASSED) && !defined(USE_GLES2)
3161                 if (r_maxqueries)
3162                         qglDeleteQueries(r_maxqueries, r_queries);
3163 #endif
3164                 break;
3165         }
3166         r_shadow_occlusion_buf = 0;
3167         r_numqueries = 0;
3168         r_maxqueries = 0;
3169         memset(r_queries, 0, sizeof(r_queries));
3170
3171         r_qwskincache = NULL;
3172         r_qwskincache_size = 0;
3173
3174         // clear out the r_skinframe state
3175         Mem_ExpandableArray_FreeArray(&r_skinframe.array);
3176         memset(&r_skinframe, 0, sizeof(r_skinframe));
3177
3178         if (r_svbsp.nodes)
3179                 Mem_Free(r_svbsp.nodes);
3180         memset(&r_svbsp, 0, sizeof (r_svbsp));
3181         R_FreeTexturePool(&r_main_texturepool);
3182         loadingscreentexture = NULL;
3183         r_texture_blanknormalmap = NULL;
3184         r_texture_white = NULL;
3185         r_texture_grey128 = NULL;
3186         r_texture_black = NULL;
3187         r_texture_whitecube = NULL;
3188         r_texture_normalizationcube = NULL;
3189         r_texture_fogattenuation = NULL;
3190         r_texture_fogheighttexture = NULL;
3191         r_texture_gammaramps = NULL;
3192         r_texture_numcubemaps = 0;
3193         //r_texture_fogintensity = NULL;
3194         memset(&r_fb, 0, sizeof(r_fb));
3195         R_GLSL_Restart_f(cmd_local);
3196
3197         r_glsl_permutation = NULL;
3198         memset(r_glsl_permutationhash, 0, sizeof(r_glsl_permutationhash));
3199         Mem_ExpandableArray_FreeArray(&r_glsl_permutationarray);
3200 }
3201
3202 static void gl_main_newmap(void)
3203 {
3204         // FIXME: move this code to client
3205         char *entities, entname[MAX_QPATH];
3206         if (r_qwskincache)
3207                 Mem_Free(r_qwskincache);
3208         r_qwskincache = NULL;
3209         r_qwskincache_size = 0;
3210         if (cl.worldmodel)
3211         {
3212                 dpsnprintf(entname, sizeof(entname), "%s.ent", cl.worldnamenoextension);
3213                 if ((entities = (char *)FS_LoadFile(entname, tempmempool, true, NULL)))
3214                 {
3215                         CL_ParseEntityLump(entities);
3216                         Mem_Free(entities);
3217                         return;
3218                 }
3219                 if (cl.worldmodel->brush.entities)
3220                         CL_ParseEntityLump(cl.worldmodel->brush.entities);
3221         }
3222         R_Main_FreeViewCache();
3223
3224         R_FrameData_Reset();
3225         R_BufferData_Reset();
3226 }
3227
3228 void GL_Main_Init(void)
3229 {
3230         int i;
3231         r_main_mempool = Mem_AllocPool("Renderer", 0, NULL);
3232         R_InitShaderModeInfo();
3233
3234         Cmd_AddCommand(CF_CLIENT, "r_glsl_restart", R_GLSL_Restart_f, "unloads GLSL shaders, they will then be reloaded as needed");
3235         Cmd_AddCommand(CF_CLIENT, "r_glsl_dumpshader", R_GLSL_DumpShader_f, "dumps the engine internal default.glsl shader into glsl/default.glsl");
3236         // FIXME: the client should set up r_refdef.fog stuff including the fogmasktable
3237         if (gamemode == GAME_NEHAHRA)
3238         {
3239                 Cvar_RegisterVariable (&gl_fogenable);
3240                 Cvar_RegisterVariable (&gl_fogdensity);
3241                 Cvar_RegisterVariable (&gl_fogred);
3242                 Cvar_RegisterVariable (&gl_foggreen);
3243                 Cvar_RegisterVariable (&gl_fogblue);
3244                 Cvar_RegisterVariable (&gl_fogstart);
3245                 Cvar_RegisterVariable (&gl_fogend);
3246                 Cvar_RegisterVariable (&gl_skyclip);
3247         }
3248         Cvar_RegisterVariable(&r_motionblur);
3249         Cvar_RegisterVariable(&r_damageblur);
3250         Cvar_RegisterVariable(&r_motionblur_averaging);
3251         Cvar_RegisterVariable(&r_motionblur_randomize);
3252         Cvar_RegisterVariable(&r_motionblur_minblur);
3253         Cvar_RegisterVariable(&r_motionblur_maxblur);
3254         Cvar_RegisterVariable(&r_motionblur_velocityfactor);
3255         Cvar_RegisterVariable(&r_motionblur_velocityfactor_minspeed);
3256         Cvar_RegisterVariable(&r_motionblur_velocityfactor_maxspeed);
3257         Cvar_RegisterVariable(&r_motionblur_mousefactor);
3258         Cvar_RegisterVariable(&r_motionblur_mousefactor_minspeed);
3259         Cvar_RegisterVariable(&r_motionblur_mousefactor_maxspeed);
3260         Cvar_RegisterVariable(&r_depthfirst);
3261         Cvar_RegisterVariable(&r_useinfinitefarclip);
3262         Cvar_RegisterVariable(&r_farclip_base);
3263         Cvar_RegisterVariable(&r_farclip_world);
3264         Cvar_RegisterVariable(&r_nearclip);
3265         Cvar_RegisterVariable(&r_deformvertexes);
3266         Cvar_RegisterVariable(&r_transparent);
3267         Cvar_RegisterVariable(&r_transparent_alphatocoverage);
3268         Cvar_RegisterVariable(&r_transparent_sortsurfacesbynearest);
3269         Cvar_RegisterVariable(&r_transparent_useplanardistance);
3270         Cvar_RegisterVariable(&r_showoverdraw);
3271         Cvar_RegisterVariable(&r_showbboxes);
3272         Cvar_RegisterVariable(&r_showbboxes_client);
3273         Cvar_RegisterVariable(&r_showsurfaces);
3274         Cvar_RegisterVariable(&r_showtris);
3275         Cvar_RegisterVariable(&r_shownormals);
3276         Cvar_RegisterVariable(&r_showlighting);
3277         Cvar_RegisterVariable(&r_showcollisionbrushes);
3278         Cvar_RegisterVariable(&r_showcollisionbrushes_polygonfactor);
3279         Cvar_RegisterVariable(&r_showcollisionbrushes_polygonoffset);
3280         Cvar_RegisterVariable(&r_showdisabledepthtest);
3281         Cvar_RegisterVariable(&r_showspriteedges);
3282         Cvar_RegisterVariable(&r_showparticleedges);
3283         Cvar_RegisterVariable(&r_drawportals);
3284         Cvar_RegisterVariable(&r_drawentities);
3285         Cvar_RegisterVariable(&r_draw2d);
3286         Cvar_RegisterVariable(&r_drawworld);
3287         Cvar_RegisterVariable(&r_cullentities_trace);
3288         Cvar_RegisterVariable(&r_cullentities_trace_entityocclusion);
3289         Cvar_RegisterVariable(&r_cullentities_trace_samples);
3290         Cvar_RegisterVariable(&r_cullentities_trace_tempentitysamples);
3291         Cvar_RegisterVariable(&r_cullentities_trace_enlarge);
3292         Cvar_RegisterVariable(&r_cullentities_trace_expand);
3293         Cvar_RegisterVariable(&r_cullentities_trace_pad);
3294         Cvar_RegisterVariable(&r_cullentities_trace_delay);
3295         Cvar_RegisterVariable(&r_cullentities_trace_eyejitter);
3296         Cvar_RegisterVariable(&r_sortentities);
3297         Cvar_RegisterVariable(&r_drawviewmodel);
3298         Cvar_RegisterVariable(&r_drawexteriormodel);
3299         Cvar_RegisterVariable(&r_speeds);
3300         Cvar_RegisterVariable(&r_fullbrights);
3301         Cvar_RegisterVariable(&r_wateralpha);
3302         Cvar_RegisterVariable(&r_dynamic);
3303         Cvar_RegisterVariable(&r_fullbright_directed);
3304         Cvar_RegisterVariable(&r_fullbright_directed_ambient);
3305         Cvar_RegisterVariable(&r_fullbright_directed_diffuse);
3306         Cvar_RegisterVariable(&r_fullbright_directed_pitch);
3307         Cvar_RegisterVariable(&r_fullbright_directed_pitch_relative);
3308         Cvar_RegisterVariable(&r_fullbright);
3309         Cvar_RegisterVariable(&r_shadows);
3310         Cvar_RegisterVariable(&r_shadows_darken);
3311         Cvar_RegisterVariable(&r_shadows_drawafterrtlighting);
3312         Cvar_RegisterVariable(&r_shadows_castfrombmodels);
3313         Cvar_RegisterVariable(&r_shadows_throwdistance);
3314         Cvar_RegisterVariable(&r_shadows_throwdirection);
3315         Cvar_RegisterVariable(&r_shadows_focus);
3316         Cvar_RegisterVariable(&r_shadows_shadowmapscale);
3317         Cvar_RegisterVariable(&r_shadows_shadowmapbias);
3318         Cvar_RegisterVariable(&r_q1bsp_skymasking);
3319         Cvar_RegisterVariable(&r_polygonoffset_submodel_factor);
3320         Cvar_RegisterVariable(&r_polygonoffset_submodel_offset);
3321         Cvar_RegisterVariable(&r_polygonoffset_decals_factor);
3322         Cvar_RegisterVariable(&r_polygonoffset_decals_offset);
3323         Cvar_RegisterVariable(&r_fog_exp2);
3324         Cvar_RegisterVariable(&r_fog_clear);
3325         Cvar_RegisterVariable(&r_drawfog);
3326         Cvar_RegisterVariable(&r_transparentdepthmasking);
3327         Cvar_RegisterVariable(&r_transparent_sortmindist);
3328         Cvar_RegisterVariable(&r_transparent_sortmaxdist);
3329         Cvar_RegisterVariable(&r_transparent_sortarraysize);
3330         Cvar_RegisterVariable(&r_texture_dds_load);
3331         Cvar_RegisterVariable(&r_texture_dds_save);
3332         Cvar_RegisterVariable(&r_usedepthtextures);
3333         Cvar_RegisterVariable(&r_viewfbo);
3334         Cvar_RegisterVariable(&r_rendertarget_debug);
3335         Cvar_RegisterVariable(&r_viewscale);
3336         Cvar_RegisterVariable(&r_viewscale_fpsscaling);
3337         Cvar_RegisterVariable(&r_viewscale_fpsscaling_min);
3338         Cvar_RegisterVariable(&r_viewscale_fpsscaling_multiply);
3339         Cvar_RegisterVariable(&r_viewscale_fpsscaling_stepsize);
3340         Cvar_RegisterVariable(&r_viewscale_fpsscaling_stepmax);
3341         Cvar_RegisterVariable(&r_viewscale_fpsscaling_target);
3342         Cvar_RegisterVariable(&r_glsl_deluxemapping);
3343         Cvar_RegisterVariable(&r_glsl_offsetmapping);
3344         Cvar_RegisterVariable(&r_glsl_offsetmapping_steps);
3345         Cvar_RegisterVariable(&r_glsl_offsetmapping_reliefmapping);
3346         Cvar_RegisterVariable(&r_glsl_offsetmapping_reliefmapping_steps);
3347         Cvar_RegisterVariable(&r_glsl_offsetmapping_reliefmapping_refinesteps);
3348         Cvar_RegisterVariable(&r_glsl_offsetmapping_scale);
3349         Cvar_RegisterVariable(&r_glsl_offsetmapping_lod);
3350         Cvar_RegisterVariable(&r_glsl_offsetmapping_lod_distance);
3351         Cvar_RegisterVariable(&r_glsl_postprocess);
3352         Cvar_RegisterVariable(&r_glsl_postprocess_uservec1);
3353         Cvar_RegisterVariable(&r_glsl_postprocess_uservec2);
3354         Cvar_RegisterVariable(&r_glsl_postprocess_uservec3);
3355         Cvar_RegisterVariable(&r_glsl_postprocess_uservec4);
3356         Cvar_RegisterVariable(&r_glsl_postprocess_uservec1_enable);
3357         Cvar_RegisterVariable(&r_glsl_postprocess_uservec2_enable);
3358         Cvar_RegisterVariable(&r_glsl_postprocess_uservec3_enable);
3359         Cvar_RegisterVariable(&r_glsl_postprocess_uservec4_enable);
3360         Cvar_RegisterVariable(&r_celshading);
3361         Cvar_RegisterVariable(&r_celoutlines);
3362         Cvar_RegisterVariable(&r_fxaa);
3363
3364         Cvar_RegisterVariable(&r_water);
3365         Cvar_RegisterVariable(&r_water_cameraentitiesonly);
3366         Cvar_RegisterVariable(&r_water_resolutionmultiplier);
3367         Cvar_RegisterVariable(&r_water_clippingplanebias);
3368         Cvar_RegisterVariable(&r_water_refractdistort);
3369         Cvar_RegisterVariable(&r_water_reflectdistort);
3370         Cvar_RegisterVariable(&r_water_scissormode);
3371         Cvar_RegisterVariable(&r_water_lowquality);
3372         Cvar_RegisterVariable(&r_water_hideplayer);
3373
3374         Cvar_RegisterVariable(&r_lerpsprites);
3375         Cvar_RegisterVariable(&r_lerpmodels);
3376         Cvar_RegisterVariable(&r_nolerp_list);
3377         Cvar_RegisterVariable(&r_lerplightstyles);
3378         Cvar_RegisterVariable(&r_waterscroll);
3379         Cvar_RegisterVariable(&r_bloom);
3380         Cvar_RegisterVariable(&r_colorfringe);
3381         Cvar_RegisterVariable(&r_bloom_colorscale);
3382         Cvar_RegisterVariable(&r_bloom_brighten);
3383         Cvar_RegisterVariable(&r_bloom_blur);
3384         Cvar_RegisterVariable(&r_bloom_resolution);
3385         Cvar_RegisterVariable(&r_bloom_colorexponent);
3386         Cvar_RegisterVariable(&r_bloom_colorsubtract);
3387         Cvar_RegisterVariable(&r_bloom_scenebrightness);
3388         Cvar_RegisterVariable(&r_hdr_scenebrightness);
3389         Cvar_RegisterVariable(&r_hdr_glowintensity);
3390         Cvar_RegisterVariable(&r_hdr_irisadaptation);
3391         Cvar_RegisterVariable(&r_hdr_irisadaptation_multiplier);
3392         Cvar_RegisterVariable(&r_hdr_irisadaptation_minvalue);
3393         Cvar_RegisterVariable(&r_hdr_irisadaptation_maxvalue);
3394         Cvar_RegisterVariable(&r_hdr_irisadaptation_value);
3395         Cvar_RegisterVariable(&r_hdr_irisadaptation_fade_up);
3396         Cvar_RegisterVariable(&r_hdr_irisadaptation_fade_down);
3397         Cvar_RegisterVariable(&r_hdr_irisadaptation_radius);
3398         Cvar_RegisterVariable(&r_smoothnormals_areaweighting);
3399         Cvar_RegisterVariable(&developer_texturelogging);
3400         Cvar_RegisterVariable(&gl_lightmaps);
3401         Cvar_RegisterVariable(&r_test);
3402         Cvar_RegisterVariable(&r_batch_multidraw);
3403         Cvar_RegisterVariable(&r_batch_multidraw_mintriangles);
3404         Cvar_RegisterVariable(&r_batch_debugdynamicvertexpath);
3405         Cvar_RegisterVariable(&r_glsl_skeletal);
3406         Cvar_RegisterVariable(&r_glsl_saturation);
3407         Cvar_RegisterVariable(&r_glsl_saturation_redcompensate);
3408         Cvar_RegisterVariable(&r_glsl_vertextextureblend_usebothalphas);
3409         Cvar_RegisterVariable(&r_framedatasize);
3410         for (i = 0;i < R_BUFFERDATA_COUNT;i++)
3411                 Cvar_RegisterVariable(&r_buffermegs[i]);
3412         Cvar_RegisterVariable(&r_batch_dynamicbuffer);
3413         Cvar_RegisterVariable(&r_q1bsp_lightmap_updates_enabled);
3414         Cvar_RegisterVariable(&r_q1bsp_lightmap_updates_combine);
3415         Cvar_RegisterVariable(&r_q1bsp_lightmap_updates_hidden_surfaces);
3416         if (gamemode == GAME_NEHAHRA || gamemode == GAME_TENEBRAE)
3417                 Cvar_SetValue(&cvars_all, "r_fullbrights", 0);
3418 #ifdef DP_MOBILETOUCH
3419         // GLES devices have terrible depth precision in general, so...
3420         Cvar_SetValueQuick(&r_nearclip, 4);
3421         Cvar_SetValueQuick(&r_farclip_base, 4096);
3422         Cvar_SetValueQuick(&r_farclip_world, 0);
3423         Cvar_SetValueQuick(&r_useinfinitefarclip, 0);
3424 #endif
3425         R_RegisterModule("GL_Main", gl_main_start, gl_main_shutdown, gl_main_newmap, NULL, NULL);
3426 }
3427
3428 void Render_Init(void)
3429 {
3430         gl_backend_init();
3431         R_Textures_Init();
3432         GL_Main_Init();
3433         Font_Init();
3434         GL_Draw_Init();
3435         R_Shadow_Init();
3436         R_Sky_Init();
3437         GL_Surf_Init();
3438         Sbar_Init();
3439         R_Particles_Init();
3440         R_Explosion_Init();
3441         R_LightningBeams_Init();
3442         CL_MeshEntities_Init();
3443         Mod_RenderInit();
3444 }
3445
3446 static void R_GetCornerOfBox(vec3_t out, const vec3_t mins, const vec3_t maxs, int signbits)
3447 {
3448         out[0] = ((signbits & 1) ? mins : maxs)[0];
3449         out[1] = ((signbits & 2) ? mins : maxs)[1];
3450         out[2] = ((signbits & 4) ? mins : maxs)[2];
3451 }
3452
3453 static qbool _R_CullBox(const vec3_t mins, const vec3_t maxs, int numplanes, const mplane_t *planes, int ignore)
3454 {
3455         int i;
3456         const mplane_t *p;
3457         vec3_t corner;
3458         if (r_trippy.integer)
3459                 return false;
3460         for (i = 0;i < numplanes;i++)
3461         {
3462                 if(i == ignore)
3463                         continue;
3464                 p = planes + i;
3465                 R_GetCornerOfBox(corner, mins, maxs, p->signbits);
3466                 if (DotProduct(p->normal, corner) < p->dist)
3467                         return true;
3468         }
3469         return false;
3470 }
3471
3472 qbool R_CullFrustum(const vec3_t mins, const vec3_t maxs)
3473 {
3474         // skip nearclip plane, it often culls portals when you are very close, and is almost never useful
3475         return _R_CullBox(mins, maxs, r_refdef.view.numfrustumplanes, r_refdef.view.frustum, 4);
3476 }
3477
3478 qbool R_CullBox(const vec3_t mins, const vec3_t maxs, int numplanes, const mplane_t *planes)
3479 {
3480         // nothing to ignore
3481         return _R_CullBox(mins, maxs, numplanes, planes, -1);
3482 }
3483
3484 //==================================================================================
3485
3486 // LadyHavoc: this stores temporary data used within the same frame
3487
3488 typedef struct r_framedata_mem_s
3489 {
3490         struct r_framedata_mem_s *purge; // older mem block to free on next frame
3491         size_t size; // how much usable space
3492         size_t current; // how much space in use
3493         size_t mark; // last "mark" location, temporary memory can be freed by returning to this
3494         size_t wantedsize; // how much space was allocated
3495         unsigned char *data; // start of real data (16byte aligned)
3496 }
3497 r_framedata_mem_t;
3498
3499 static r_framedata_mem_t *r_framedata_mem;
3500
3501 void R_FrameData_Reset(void)
3502 {
3503         while (r_framedata_mem)
3504         {
3505                 r_framedata_mem_t *next = r_framedata_mem->purge;
3506                 Mem_Free(r_framedata_mem);
3507                 r_framedata_mem = next;
3508         }
3509 }
3510
3511 static void R_FrameData_Resize(qbool mustgrow)
3512 {
3513         size_t wantedsize;
3514         wantedsize = (size_t)(r_framedatasize.value * 1024*1024);
3515         wantedsize = bound(65536, wantedsize, 1000*1024*1024);
3516         if (!r_framedata_mem || r_framedata_mem->wantedsize != wantedsize || mustgrow)
3517         {
3518                 r_framedata_mem_t *newmem = (r_framedata_mem_t *)Mem_Alloc(r_main_mempool, wantedsize);
3519                 newmem->wantedsize = wantedsize;
3520                 newmem->data = (unsigned char *)(((size_t)(newmem+1) + 15) & ~15);
3521                 newmem->size = (unsigned char *)newmem + wantedsize - newmem->data;
3522                 newmem->current = 0;
3523                 newmem->mark = 0;
3524                 newmem->purge = r_framedata_mem;
3525                 r_framedata_mem = newmem;
3526         }
3527 }
3528
3529 void R_FrameData_NewFrame(void)
3530 {
3531         R_FrameData_Resize(false);
3532         if (!r_framedata_mem)
3533                 return;
3534         // if we ran out of space on the last frame, free the old memory now
3535         while (r_framedata_mem->purge)
3536         {
3537                 // repeatedly remove the second item in the list, leaving only head
3538                 r_framedata_mem_t *next = r_framedata_mem->purge->purge;
3539                 Mem_Free(r_framedata_mem->purge);
3540                 r_framedata_mem->purge = next;
3541         }
3542         // reset the current mem pointer
3543         r_framedata_mem->current = 0;
3544         r_framedata_mem->mark = 0;
3545 }
3546
3547 void *R_FrameData_Alloc(size_t size)
3548 {
3549         void *data;
3550         float newvalue;
3551
3552         // align to 16 byte boundary - the data pointer is already aligned, so we
3553         // only need to ensure the size of every allocation is also aligned
3554         size = (size + 15) & ~15;
3555
3556         while (!r_framedata_mem || r_framedata_mem->current + size > r_framedata_mem->size)
3557         {
3558                 // emergency - we ran out of space, allocate more memory
3559                 // note: this has no upper-bound, we'll fail to allocate memory eventually and just die
3560                 newvalue = r_framedatasize.value * 2.0f;
3561                 // upper bound based on architecture - if we try to allocate more than this we could overflow, better to loop until we error out on allocation failure
3562                 if (sizeof(size_t) >= 8)
3563                         newvalue = bound(0.25f, newvalue, (float)(1ll << 42));
3564                 else
3565                         newvalue = bound(0.25f, newvalue, (float)(1 << 10));
3566                 // this might not be a growing it, but we'll allocate another buffer every time
3567                 Cvar_SetValueQuick(&r_framedatasize, newvalue);
3568                 R_FrameData_Resize(true);
3569         }
3570
3571         data = r_framedata_mem->data + r_framedata_mem->current;
3572         r_framedata_mem->current += size;
3573
3574         // count the usage for stats
3575         r_refdef.stats[r_stat_framedatacurrent] = max(r_refdef.stats[r_stat_framedatacurrent], (int)r_framedata_mem->current);
3576         r_refdef.stats[r_stat_framedatasize] = max(r_refdef.stats[r_stat_framedatasize], (int)r_framedata_mem->size);
3577
3578         return (void *)data;
3579 }
3580
3581 void *R_FrameData_Store(size_t size, void *data)
3582 {
3583         void *d = R_FrameData_Alloc(size);
3584         if (d && data)
3585                 memcpy(d, data, size);
3586         return d;
3587 }
3588
3589 void R_FrameData_SetMark(void)
3590 {
3591         if (!r_framedata_mem)
3592                 return;
3593         r_framedata_mem->mark = r_framedata_mem->current;
3594 }
3595
3596 void R_FrameData_ReturnToMark(void)
3597 {
3598         if (!r_framedata_mem)
3599                 return;
3600         r_framedata_mem->current = r_framedata_mem->mark;
3601 }
3602
3603 //==================================================================================
3604
3605 // avoid reusing the same buffer objects on consecutive frames
3606 #define R_BUFFERDATA_CYCLE 3
3607
3608 typedef struct r_bufferdata_buffer_s
3609 {
3610         struct r_bufferdata_buffer_s *purge; // older buffer to free on next frame
3611         size_t size; // how much usable space
3612         size_t current; // how much space in use
3613         r_meshbuffer_t *buffer; // the buffer itself
3614 }
3615 r_bufferdata_buffer_t;
3616
3617 static int r_bufferdata_cycle = 0; // incremented and wrapped each frame
3618 static r_bufferdata_buffer_t *r_bufferdata_buffer[R_BUFFERDATA_CYCLE][R_BUFFERDATA_COUNT];
3619
3620 /// frees all dynamic buffers
3621 void R_BufferData_Reset(void)
3622 {
3623         int cycle, type;
3624         r_bufferdata_buffer_t **p, *mem;
3625         for (cycle = 0;cycle < R_BUFFERDATA_CYCLE;cycle++)
3626         {
3627                 for (type = 0;type < R_BUFFERDATA_COUNT;type++)
3628                 {
3629                         // free all buffers
3630                         p = &r_bufferdata_buffer[cycle][type];
3631                         while (*p)
3632                         {
3633                                 mem = *p;
3634                                 *p = (*p)->purge;
3635                                 if (mem->buffer)
3636                                         R_Mesh_DestroyMeshBuffer(mem->buffer);
3637                                 Mem_Free(mem);
3638                         }
3639                 }
3640         }
3641 }
3642
3643 // resize buffer as needed (this actually makes a new one, the old one will be recycled next frame)
3644 static void R_BufferData_Resize(r_bufferdata_type_t type, qbool mustgrow, size_t minsize)
3645 {
3646         r_bufferdata_buffer_t *mem = r_bufferdata_buffer[r_bufferdata_cycle][type];
3647         size_t size;
3648         float newvalue = r_buffermegs[type].value;
3649
3650         // increase the cvar if we have to (but only if we already have a mem)
3651         if (mustgrow && mem)
3652                 newvalue *= 2.0f;
3653         newvalue = bound(0.25f, newvalue, 256.0f);
3654         while (newvalue * 1024*1024 < minsize)
3655                 newvalue *= 2.0f;
3656
3657         // clamp the cvar to valid range
3658         newvalue = bound(0.25f, newvalue, 256.0f);
3659         if (r_buffermegs[type].value != newvalue)
3660                 Cvar_SetValueQuick(&r_buffermegs[type], newvalue);
3661
3662         // calculate size in bytes
3663         size = (size_t)(newvalue * 1024*1024);
3664         size = bound(131072, size, 256*1024*1024);
3665
3666         // allocate a new buffer if the size is different (purge old one later)
3667         // or if we were told we must grow the buffer
3668         if (!mem || mem->size != size || mustgrow)
3669         {
3670                 mem = (r_bufferdata_buffer_t *)Mem_Alloc(r_main_mempool, sizeof(*mem));
3671                 mem->size = size;
3672                 mem->current = 0;
3673                 if (type == R_BUFFERDATA_VERTEX)
3674                         mem->buffer = R_Mesh_CreateMeshBuffer(NULL, mem->size, "dynamicbuffervertex", false, false, true, false);
3675                 else if (type == R_BUFFERDATA_INDEX16)
3676                         mem->buffer = R_Mesh_CreateMeshBuffer(NULL, mem->size, "dynamicbufferindex16", true, false, true, true);
3677                 else if (type == R_BUFFERDATA_INDEX32)
3678                         mem->buffer = R_Mesh_CreateMeshBuffer(NULL, mem->size, "dynamicbufferindex32", true, false, true, false);
3679                 else if (type == R_BUFFERDATA_UNIFORM)
3680                         mem->buffer = R_Mesh_CreateMeshBuffer(NULL, mem->size, "dynamicbufferuniform", false, true, true, false);
3681                 mem->purge = r_bufferdata_buffer[r_bufferdata_cycle][type];
3682                 r_bufferdata_buffer[r_bufferdata_cycle][type] = mem;
3683         }
3684 }
3685
3686 void R_BufferData_NewFrame(void)
3687 {
3688         int type;
3689         r_bufferdata_buffer_t **p, *mem;
3690         // cycle to the next frame's buffers
3691         r_bufferdata_cycle = (r_bufferdata_cycle + 1) % R_BUFFERDATA_CYCLE;
3692         // if we ran out of space on the last time we used these buffers, free the old memory now
3693         for (type = 0;type < R_BUFFERDATA_COUNT;type++)
3694         {
3695                 if (r_bufferdata_buffer[r_bufferdata_cycle][type])
3696                 {
3697                         R_BufferData_Resize((r_bufferdata_type_t)type, false, 131072);
3698                         // free all but the head buffer, this is how we recycle obsolete
3699                         // buffers after they are no longer in use
3700                         p = &r_bufferdata_buffer[r_bufferdata_cycle][type]->purge;
3701                         while (*p)
3702                         {
3703                                 mem = *p;
3704                                 *p = (*p)->purge;
3705                                 if (mem->buffer)
3706                                         R_Mesh_DestroyMeshBuffer(mem->buffer);
3707                                 Mem_Free(mem);
3708                         }
3709                         // reset the current offset
3710                         r_bufferdata_buffer[r_bufferdata_cycle][type]->current = 0;
3711                 }
3712         }
3713 }
3714
3715 r_meshbuffer_t *R_BufferData_Store(size_t datasize, const void *data, r_bufferdata_type_t type, int *returnbufferoffset)
3716 {
3717         r_bufferdata_buffer_t *mem;
3718         int offset = 0;
3719         int padsize;
3720
3721         *returnbufferoffset = 0;
3722
3723         // align size to a byte boundary appropriate for the buffer type, this
3724         // makes all allocations have aligned start offsets
3725         if (type == R_BUFFERDATA_UNIFORM)
3726                 padsize = (datasize + r_uniformbufferalignment - 1) & ~(r_uniformbufferalignment - 1);
3727         else
3728                 padsize = (datasize + 15) & ~15;
3729
3730         // if we ran out of space in this buffer we must allocate a new one
3731         if (!r_bufferdata_buffer[r_bufferdata_cycle][type] || r_bufferdata_buffer[r_bufferdata_cycle][type]->current + padsize > r_bufferdata_buffer[r_bufferdata_cycle][type]->size)
3732                 R_BufferData_Resize(type, true, padsize);
3733
3734         // if the resize did not give us enough memory, fail
3735         if (!r_bufferdata_buffer[r_bufferdata_cycle][type] || r_bufferdata_buffer[r_bufferdata_cycle][type]->current + padsize > r_bufferdata_buffer[r_bufferdata_cycle][type]->size)
3736                 Sys_Error("R_BufferData_Store: failed to create a new buffer of sufficient size\n");
3737
3738         mem = r_bufferdata_buffer[r_bufferdata_cycle][type];
3739         offset = (int)mem->current;
3740         mem->current += padsize;
3741
3742         // upload the data to the buffer at the chosen offset
3743         if (offset == 0)
3744                 R_Mesh_UpdateMeshBuffer(mem->buffer, NULL, mem->size, false, 0);
3745         R_Mesh_UpdateMeshBuffer(mem->buffer, data, datasize, true, offset);
3746
3747         // count the usage for stats
3748         r_refdef.stats[r_stat_bufferdatacurrent_vertex + type] = max(r_refdef.stats[r_stat_bufferdatacurrent_vertex + type], (int)mem->current);
3749         r_refdef.stats[r_stat_bufferdatasize_vertex + type] = max(r_refdef.stats[r_stat_bufferdatasize_vertex + type], (int)mem->size);
3750
3751         // return the buffer offset
3752         *returnbufferoffset = offset;
3753
3754         return mem->buffer;
3755 }
3756
3757 //==================================================================================
3758
3759 // LadyHavoc: animcache originally written by Echon, rewritten since then
3760
3761 /**
3762  * Animation cache prevents re-generating mesh data for an animated model
3763  * multiple times in one frame for lighting, shadowing, reflections, etc.
3764  */
3765
3766 void R_AnimCache_Free(void)
3767 {
3768 }
3769
3770 void R_AnimCache_ClearCache(void)
3771 {
3772         int i;
3773         entity_render_t *ent;
3774
3775         for (i = 0;i < r_refdef.scene.numentities;i++)
3776         {
3777                 ent = r_refdef.scene.entities[i];
3778                 ent->animcache_vertex3f = NULL;
3779                 ent->animcache_vertex3f_vertexbuffer = NULL;
3780                 ent->animcache_vertex3f_bufferoffset = 0;
3781                 ent->animcache_normal3f = NULL;
3782                 ent->animcache_normal3f_vertexbuffer = NULL;
3783                 ent->animcache_normal3f_bufferoffset = 0;
3784                 ent->animcache_svector3f = NULL;
3785                 ent->animcache_svector3f_vertexbuffer = NULL;
3786                 ent->animcache_svector3f_bufferoffset = 0;
3787                 ent->animcache_tvector3f = NULL;
3788                 ent->animcache_tvector3f_vertexbuffer = NULL;
3789                 ent->animcache_tvector3f_bufferoffset = 0;
3790                 ent->animcache_skeletaltransform3x4 = NULL;
3791                 ent->animcache_skeletaltransform3x4buffer = NULL;
3792                 ent->animcache_skeletaltransform3x4offset = 0;
3793                 ent->animcache_skeletaltransform3x4size = 0;
3794         }
3795 }
3796
3797 qbool R_AnimCache_GetEntity(entity_render_t *ent, qbool wantnormals, qbool wanttangents)
3798 {
3799         model_t *model = ent->model;
3800         int numvertices;
3801
3802         // see if this ent is worth caching
3803         if (!model || !model->Draw || !model->AnimateVertices)
3804                 return false;
3805         // nothing to cache if it contains no animations and has no skeleton
3806         if (!model->surfmesh.isanimated && !(model->num_bones && ent->skeleton && ent->skeleton->relativetransforms))
3807                 return false;
3808         // see if it is already cached for gpuskeletal
3809         if (ent->animcache_skeletaltransform3x4)
3810                 return false;
3811         // see if it is already cached as a mesh
3812         if (ent->animcache_vertex3f)
3813         {
3814                 // check if we need to add normals or tangents
3815                 if (ent->animcache_normal3f)
3816                         wantnormals = false;
3817                 if (ent->animcache_svector3f)
3818                         wanttangents = false;
3819                 if (!wantnormals && !wanttangents)
3820                         return false;
3821         }
3822
3823         // check which kind of cache we need to generate
3824         if (r_gpuskeletal && model->num_bones > 0 && model->surfmesh.data_skeletalindex4ub)
3825         {
3826                 // cache the skeleton so the vertex shader can use it
3827                 r_refdef.stats[r_stat_animcache_skeletal_count] += 1;
3828                 r_refdef.stats[r_stat_animcache_skeletal_bones] += model->num_bones;
3829                 r_refdef.stats[r_stat_animcache_skeletal_maxbones] = max(r_refdef.stats[r_stat_animcache_skeletal_maxbones], model->num_bones);
3830                 ent->animcache_skeletaltransform3x4 = (float *)R_FrameData_Alloc(sizeof(float[3][4]) * model->num_bones);
3831                 Mod_Skeletal_BuildTransforms(model, ent->frameblend, ent->skeleton, NULL, ent->animcache_skeletaltransform3x4);
3832                 // note: this can fail if the buffer is at the grow limit
3833                 ent->animcache_skeletaltransform3x4size = sizeof(float[3][4]) * model->num_bones;
3834                 ent->animcache_skeletaltransform3x4buffer = R_BufferData_Store(ent->animcache_skeletaltransform3x4size, ent->animcache_skeletaltransform3x4, R_BUFFERDATA_UNIFORM, &ent->animcache_skeletaltransform3x4offset);
3835         }
3836         else if (ent->animcache_vertex3f)
3837         {
3838                 // mesh was already cached but we may need to add normals/tangents
3839                 // (this only happens with multiple views, reflections, cameras, etc)
3840                 if (wantnormals || wanttangents)
3841                 {
3842                         numvertices = model->surfmesh.num_vertices;
3843                         if (wantnormals)
3844                                 ent->animcache_normal3f = (float *)R_FrameData_Alloc(sizeof(float[3])*numvertices);
3845                         if (wanttangents)
3846                         {
3847                                 ent->animcache_svector3f = (float *)R_FrameData_Alloc(sizeof(float[3])*numvertices);
3848                                 ent->animcache_tvector3f = (float *)R_FrameData_Alloc(sizeof(float[3])*numvertices);
3849                         }
3850                         model->AnimateVertices(model, ent->frameblend, ent->skeleton, NULL, wantnormals ? ent->animcache_normal3f : NULL, wanttangents ? ent->animcache_svector3f : NULL, wanttangents ? ent->animcache_tvector3f : NULL);
3851                         r_refdef.stats[r_stat_animcache_shade_count] += 1;
3852                         r_refdef.stats[r_stat_animcache_shade_vertices] += numvertices;
3853                         r_refdef.stats[r_stat_animcache_shade_maxvertices] = max(r_refdef.stats[r_stat_animcache_shade_maxvertices], numvertices);
3854                 }
3855         }
3856         else
3857         {
3858                 // generate mesh cache
3859                 numvertices = model->surfmesh.num_vertices;
3860                 ent->animcache_vertex3f = (float *)R_FrameData_Alloc(sizeof(float[3])*numvertices);
3861                 if (wantnormals)
3862                         ent->animcache_normal3f = (float *)R_FrameData_Alloc(sizeof(float[3])*numvertices);
3863                 if (wanttangents)
3864                 {
3865                         ent->animcache_svector3f = (float *)R_FrameData_Alloc(sizeof(float[3])*numvertices);
3866                         ent->animcache_tvector3f = (float *)R_FrameData_Alloc(sizeof(float[3])*numvertices);
3867                 }
3868                 model->AnimateVertices(model, ent->frameblend, ent->skeleton, ent->animcache_vertex3f, ent->animcache_normal3f, ent->animcache_svector3f, ent->animcache_tvector3f);
3869                 if (wantnormals || wanttangents)
3870                 {
3871                         r_refdef.stats[r_stat_animcache_shade_count] += 1;
3872                         r_refdef.stats[r_stat_animcache_shade_vertices] += numvertices;
3873                         r_refdef.stats[r_stat_animcache_shade_maxvertices] = max(r_refdef.stats[r_stat_animcache_shade_maxvertices], numvertices);
3874                 }
3875                 r_refdef.stats[r_stat_animcache_shape_count] += 1;
3876                 r_refdef.stats[r_stat_animcache_shape_vertices] += numvertices;
3877                 r_refdef.stats[r_stat_animcache_shape_maxvertices] = max(r_refdef.stats[r_stat_animcache_shape_maxvertices], numvertices);
3878         }
3879         return true;
3880 }
3881
3882 void R_AnimCache_CacheVisibleEntities(void)
3883 {
3884         int i;
3885
3886         // TODO: thread this
3887         // NOTE: R_PrepareRTLights() also caches entities
3888
3889         for (i = 0;i < r_refdef.scene.numentities;i++)
3890                 if (r_refdef.viewcache.entityvisible[i])
3891                         R_AnimCache_GetEntity(r_refdef.scene.entities[i], true, true);
3892 }
3893
3894 //==================================================================================
3895
3896 qbool R_CanSeeBox(int numsamples, vec_t eyejitter, vec_t entboxenlarge, vec_t entboxexpand, vec_t pad, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
3897 {
3898         long unsigned int i;
3899         int j;
3900         vec3_t eyemins, eyemaxs;
3901         vec3_t boxmins, boxmaxs;
3902         vec3_t padmins, padmaxs;
3903         vec3_t start;
3904         vec3_t end;
3905         model_t *model = r_refdef.scene.worldmodel;
3906         static vec3_t positions[] = {
3907                 { 0.5f, 0.5f, 0.5f },
3908                 { 0.0f, 0.0f, 0.0f },
3909                 { 0.0f, 0.0f, 1.0f },
3910                 { 0.0f, 1.0f, 0.0f },
3911                 { 0.0f, 1.0f, 1.0f },
3912                 { 1.0f, 0.0f, 0.0f },
3913                 { 1.0f, 0.0f, 1.0f },
3914                 { 1.0f, 1.0f, 0.0f },
3915                 { 1.0f, 1.0f, 1.0f },
3916         };
3917
3918         // sample count can be set to -1 to skip this logic, for flicker-prone objects
3919         if (numsamples < 0)
3920                 return true;
3921
3922         // view origin is not used for culling in portal/reflection/refraction renders or isometric views
3923         if (!r_refdef.view.usevieworiginculling)
3924                 return true;
3925
3926         if (!r_cullentities_trace_entityocclusion.integer && (!model || !model->brush.TraceLineOfSight))
3927                 return true;
3928
3929         // expand the eye box a little
3930         eyemins[0] = eye[0] - eyejitter;
3931         eyemaxs[0] = eye[0] + eyejitter;
3932         eyemins[1] = eye[1] - eyejitter;
3933         eyemaxs[1] = eye[1] + eyejitter;
3934         eyemins[2] = eye[2] - eyejitter;
3935         eyemaxs[2] = eye[2] + eyejitter;
3936         // expand the box a little
3937         boxmins[0] = (entboxenlarge + 1) * entboxmins[0] - entboxenlarge * entboxmaxs[0] - entboxexpand;
3938         boxmaxs[0] = (entboxenlarge + 1) * entboxmaxs[0] - entboxenlarge * entboxmins[0] + entboxexpand;
3939         boxmins[1] = (entboxenlarge + 1) * entboxmins[1] - entboxenlarge * entboxmaxs[1] - entboxexpand;
3940         boxmaxs[1] = (entboxenlarge + 1) * entboxmaxs[1] - entboxenlarge * entboxmins[1] + entboxexpand;
3941         boxmins[2] = (entboxenlarge + 1) * entboxmins[2] - entboxenlarge * entboxmaxs[2] - entboxexpand;
3942         boxmaxs[2] = (entboxenlarge + 1) * entboxmaxs[2] - entboxenlarge * entboxmins[2] + entboxexpand;
3943         // make an even larger box for the acceptable area
3944         padmins[0] = boxmins[0] - pad;
3945         padmaxs[0] = boxmaxs[0] + pad;
3946         padmins[1] = boxmins[1] - pad;
3947         padmaxs[1] = boxmaxs[1] + pad;
3948         padmins[2] = boxmins[2] - pad;
3949         padmaxs[2] = boxmaxs[2] + pad;
3950
3951         // return true if eye overlaps enlarged box
3952         if (BoxesOverlap(boxmins, boxmaxs, eyemins, eyemaxs))
3953                 return true;
3954
3955         VectorCopy(eye, start);
3956         // try specific positions in the box first - note that these can be cached
3957         if (r_cullentities_trace_entityocclusion.integer)
3958         {
3959                 for (i = 0; i < sizeof(positions) / sizeof(positions[0]); i++)
3960                 {
3961                         trace_t trace;
3962                         end[0] = boxmins[0] + (boxmaxs[0] - boxmins[0]) * positions[i][0];
3963                         end[1] = boxmins[1] + (boxmaxs[1] - boxmins[1]) * positions[i][1];
3964                         end[2] = boxmins[2] + (boxmaxs[2] - boxmins[2]) * positions[i][2];
3965                         //trace_t trace = CL_TraceLine(start, end, MOVE_NORMAL, NULL, SUPERCONTENTS_SOLID, SUPERCONTENTS_SKY, MATERIALFLAGMASK_TRANSLUCENT, 0.0f, true, false, NULL, true, true);
3966                         trace = CL_Cache_TraceLineSurfaces(start, end, MOVE_NORMAL, SUPERCONTENTS_SOLID, 0, MATERIALFLAGMASK_TRANSLUCENT);
3967                         // not picky - if the trace ended anywhere in the box we're good
3968                         if (BoxesOverlap(trace.endpos, trace.endpos, padmins, padmaxs))
3969                                 return true;
3970                 }
3971         }
3972         else
3973         {
3974                 // try center
3975                 VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, end);
3976                 if (model->brush.TraceLineOfSight(model, start, end, padmins, padmaxs))
3977                         return true;
3978         }
3979
3980         // try various random positions
3981         for (j = 0; j < numsamples; j++)
3982         {
3983                 VectorSet(start, lhrandom(eyemins[0], eyemaxs[0]), lhrandom(eyemins[1], eyemaxs[1]), lhrandom(eyemins[2], eyemaxs[2]));
3984                 VectorSet(end, lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
3985                 if (r_cullentities_trace_entityocclusion.integer)
3986                 {
3987                         trace_t trace = CL_TraceLine(start, end, MOVE_NORMAL, NULL, SUPERCONTENTS_SOLID, SUPERCONTENTS_SKY, MATERIALFLAGMASK_TRANSLUCENT, 0.0f, true, false, NULL, true, true);
3988                         // not picky - if the trace ended anywhere in the box we're good
3989                         if (BoxesOverlap(trace.endpos, trace.endpos, padmins, padmaxs))
3990                                 return true;
3991                 }
3992                 else if (model->brush.TraceLineOfSight(model, start, end, padmins, padmaxs))
3993                         return true;
3994         }
3995
3996         return false;
3997 }
3998
3999
4000 static void R_View_UpdateEntityVisible (void)
4001 {
4002         int i;
4003         int renderimask;
4004         int samples;
4005         entity_render_t *ent;
4006
4007         if (r_refdef.envmap || r_fb.water.hideplayer)
4008                 renderimask = RENDER_EXTERIORMODEL | RENDER_VIEWMODEL;
4009         else if (chase_active.integer || r_fb.water.renderingscene)
4010                 renderimask = RENDER_VIEWMODEL;
4011         else
4012                 renderimask = RENDER_EXTERIORMODEL;
4013         if (!r_drawviewmodel.integer)
4014                 renderimask |= RENDER_VIEWMODEL;
4015         if (!r_drawexteriormodel.integer)
4016                 renderimask |= RENDER_EXTERIORMODEL;
4017         memset(r_refdef.viewcache.entityvisible, 0, r_refdef.scene.numentities);
4018         if (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.BoxTouchingVisibleLeafs)
4019         {
4020                 // worldmodel can check visibility
4021                 for (i = 0;i < r_refdef.scene.numentities;i++)
4022                 {
4023                         ent = r_refdef.scene.entities[i];
4024                         if (r_refdef.viewcache.world_novis && !(ent->flags & RENDER_VIEWMODEL))
4025                         {
4026                                 r_refdef.viewcache.entityvisible[i] = false;
4027                                 continue;
4028                         }
4029                         if (!(ent->flags & renderimask))
4030                         if (!R_CullFrustum(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)))
4031                         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))
4032                                 r_refdef.viewcache.entityvisible[i] = true;
4033                 }
4034         }
4035         else
4036         {
4037                 // no worldmodel or it can't check visibility
4038                 for (i = 0;i < r_refdef.scene.numentities;i++)
4039                 {
4040                         ent = r_refdef.scene.entities[i];
4041                         if (!(ent->flags & renderimask))
4042                         if (!R_CullFrustum(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)))
4043                                 r_refdef.viewcache.entityvisible[i] = true;
4044                 }
4045         }
4046         if (r_cullentities_trace.integer)
4047         {
4048                 for (i = 0;i < r_refdef.scene.numentities;i++)
4049                 {
4050                         if (!r_refdef.viewcache.entityvisible[i])
4051                                 continue;
4052                         ent = r_refdef.scene.entities[i];
4053                         if (!(ent->flags & (RENDER_VIEWMODEL | RENDER_WORLDOBJECT | RENDER_NODEPTHTEST)) && !(ent->model && (ent->model->name[0] == '*')))
4054                         {
4055                                 samples = ent->last_trace_visibility == 0 ? r_cullentities_trace_tempentitysamples.integer : r_cullentities_trace_samples.integer;
4056                                 if (R_CanSeeBox(samples, r_cullentities_trace_eyejitter.value, r_cullentities_trace_enlarge.value, r_cullentities_trace_expand.value, r_cullentities_trace_pad.value, r_refdef.view.origin, ent->mins, ent->maxs))
4057                                         ent->last_trace_visibility = host.realtime;
4058                                 if (ent->last_trace_visibility < host.realtime - r_cullentities_trace_delay.value)
4059                                         r_refdef.viewcache.entityvisible[i] = 0;
4060                         }
4061                 }
4062         }
4063 }
4064
4065 /// only used if skyrendermasked, and normally returns false
4066 static int R_DrawBrushModelsSky (void)
4067 {
4068         int i, sky;
4069         entity_render_t *ent;
4070
4071         sky = false;
4072         for (i = 0;i < r_refdef.scene.numentities;i++)
4073         {
4074                 if (!r_refdef.viewcache.entityvisible[i])
4075                         continue;
4076                 ent = r_refdef.scene.entities[i];
4077                 if (!ent->model || !ent->model->DrawSky)
4078                         continue;
4079                 ent->model->DrawSky(ent);
4080                 sky = true;
4081         }
4082         return sky;
4083 }
4084
4085 static void R_DrawNoModel(entity_render_t *ent);
4086 static void R_DrawModels(void)
4087 {
4088         int i;
4089         entity_render_t *ent;
4090
4091         for (i = 0;i < r_refdef.scene.numentities;i++)
4092         {
4093                 if (!r_refdef.viewcache.entityvisible[i])
4094                         continue;
4095                 ent = r_refdef.scene.entities[i];
4096                 r_refdef.stats[r_stat_entities]++;
4097
4098                 if (ent->model && ent->model->Draw != NULL)
4099                         ent->model->Draw(ent);
4100                 else
4101                         R_DrawNoModel(ent);
4102         }
4103 }
4104
4105 static void R_DrawModelsDepth(void)
4106 {
4107         int i;
4108         entity_render_t *ent;
4109
4110         for (i = 0;i < r_refdef.scene.numentities;i++)
4111         {
4112                 if (!r_refdef.viewcache.entityvisible[i])
4113                         continue;
4114                 ent = r_refdef.scene.entities[i];
4115                 if (ent->model && ent->model->DrawDepth != NULL)
4116                         ent->model->DrawDepth(ent);
4117         }
4118 }
4119
4120 static void R_DrawModelsDebug(void)
4121 {
4122         int i;
4123         entity_render_t *ent;
4124
4125         for (i = 0;i < r_refdef.scene.numentities;i++)
4126         {
4127                 if (!r_refdef.viewcache.entityvisible[i])
4128                         continue;
4129                 ent = r_refdef.scene.entities[i];
4130                 if (ent->model && ent->model->DrawDebug != NULL)
4131                         ent->model->DrawDebug(ent);
4132         }
4133 }
4134
4135 static void R_DrawModelsAddWaterPlanes(void)
4136 {
4137         int i;
4138         entity_render_t *ent;
4139
4140         for (i = 0;i < r_refdef.scene.numentities;i++)
4141         {
4142                 if (!r_refdef.viewcache.entityvisible[i])
4143                         continue;
4144                 ent = r_refdef.scene.entities[i];
4145                 if (ent->model && ent->model->DrawAddWaterPlanes != NULL)
4146                         ent->model->DrawAddWaterPlanes(ent);
4147         }
4148 }
4149
4150 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}};
4151
4152 void R_HDR_UpdateIrisAdaptation(const vec3_t point)
4153 {
4154         if (r_hdr_irisadaptation.integer)
4155         {
4156                 vec3_t p;
4157                 vec3_t ambient;
4158                 vec3_t diffuse;
4159                 vec3_t diffusenormal;
4160                 vec3_t forward;
4161                 vec_t brightness = 0.0f;
4162                 vec_t goal;
4163                 vec_t current;
4164                 vec_t d;
4165                 int c;
4166                 VectorCopy(r_refdef.view.forward, forward);
4167                 for (c = 0;c < (int)(sizeof(irisvecs)/sizeof(irisvecs[0]));c++)
4168                 {
4169                         p[0] = point[0] + irisvecs[c][0] * r_hdr_irisadaptation_radius.value;
4170                         p[1] = point[1] + irisvecs[c][1] * r_hdr_irisadaptation_radius.value;
4171                         p[2] = point[2] + irisvecs[c][2] * r_hdr_irisadaptation_radius.value;
4172                         R_CompleteLightPoint(ambient, diffuse, diffusenormal, p, LP_LIGHTMAP | LP_RTWORLD | LP_DYNLIGHT, r_refdef.scene.lightmapintensity, r_refdef.scene.ambientintensity);
4173                         d = DotProduct(forward, diffusenormal);
4174                         brightness += VectorLength(ambient);
4175                         if (d > 0)
4176                                 brightness += d * VectorLength(diffuse);
4177                 }
4178                 brightness *= 1.0f / c;
4179                 brightness += 0.00001f; // make sure it's never zero
4180                 goal = r_hdr_irisadaptation_multiplier.value / brightness;
4181                 goal = bound(r_hdr_irisadaptation_minvalue.value, goal, r_hdr_irisadaptation_maxvalue.value);
4182                 current = r_hdr_irisadaptation_value.value;
4183                 if (current < goal)
4184                         current = min(current + r_hdr_irisadaptation_fade_up.value * cl.realframetime, goal);
4185                 else if (current > goal)
4186                         current = max(current - r_hdr_irisadaptation_fade_down.value * cl.realframetime, goal);
4187                 if (fabs(r_hdr_irisadaptation_value.value - current) > 0.0001f)
4188                         Cvar_SetValueQuick(&r_hdr_irisadaptation_value, current);
4189         }
4190         else if (r_hdr_irisadaptation_value.value != 1.0f)
4191                 Cvar_SetValueQuick(&r_hdr_irisadaptation_value, 1.0f);
4192 }
4193
4194 extern cvar_t r_lockvisibility;
4195 extern cvar_t r_lockpvs;
4196
4197 static void R_View_SetFrustum(const int *scissor)
4198 {
4199         int i;
4200         double fpx = +1, fnx = -1, fpy = +1, fny = -1;
4201         vec3_t forward, left, up, origin, v;
4202         if(r_lockvisibility.integer)
4203                 return;
4204         if(scissor)
4205         {
4206                 // flipped x coordinates (because x points left here)
4207                 fpx =  1.0 - 2.0 * (scissor[0]              - r_refdef.view.viewport.x) / (double) (r_refdef.view.viewport.width);
4208                 fnx =  1.0 - 2.0 * (scissor[0] + scissor[2] - r_refdef.view.viewport.x) / (double) (r_refdef.view.viewport.width);
4209                 // non-flipped y coordinates
4210                 fny = -1.0 + 2.0 * (scissor[1]              - r_refdef.view.viewport.y) / (double) (r_refdef.view.viewport.height);
4211                 fpy = -1.0 + 2.0 * (scissor[1] + scissor[3] - r_refdef.view.viewport.y) / (double) (r_refdef.view.viewport.height);
4212         }
4213
4214         // we can't trust r_refdef.view.forward and friends in reflected scenes
4215         Matrix4x4_ToVectors(&r_refdef.view.matrix, forward, left, up, origin);
4216
4217 #if 0
4218         r_refdef.view.frustum[0].normal[0] = 0 - 1.0 / r_refdef.view.frustum_x;
4219         r_refdef.view.frustum[0].normal[1] = 0 - 0;
4220         r_refdef.view.frustum[0].normal[2] = -1 - 0;
4221         r_refdef.view.frustum[1].normal[0] = 0 + 1.0 / r_refdef.view.frustum_x;
4222         r_refdef.view.frustum[1].normal[1] = 0 + 0;
4223         r_refdef.view.frustum[1].normal[2] = -1 + 0;
4224         r_refdef.view.frustum[2].normal[0] = 0 - 0;
4225         r_refdef.view.frustum[2].normal[1] = 0 - 1.0 / r_refdef.view.frustum_y;
4226         r_refdef.view.frustum[2].normal[2] = -1 - 0;
4227         r_refdef.view.frustum[3].normal[0] = 0 + 0;
4228         r_refdef.view.frustum[3].normal[1] = 0 + 1.0 / r_refdef.view.frustum_y;
4229         r_refdef.view.frustum[3].normal[2] = -1 + 0;
4230 #endif
4231
4232 #if 0
4233         zNear = r_refdef.nearclip;
4234         nudge = 1.0 - 1.0 / (1<<23);
4235         r_refdef.view.frustum[4].normal[0] = 0 - 0;
4236         r_refdef.view.frustum[4].normal[1] = 0 - 0;
4237         r_refdef.view.frustum[4].normal[2] = -1 - -nudge;
4238         r_refdef.view.frustum[4].dist = 0 - -2 * zNear * nudge;
4239         r_refdef.view.frustum[5].normal[0] = 0 + 0;
4240         r_refdef.view.frustum[5].normal[1] = 0 + 0;
4241         r_refdef.view.frustum[5].normal[2] = -1 + -nudge;
4242         r_refdef.view.frustum[5].dist = 0 + -2 * zNear * nudge;
4243 #endif
4244
4245
4246
4247 #if 0
4248         r_refdef.view.frustum[0].normal[0] = m[3] - m[0];
4249         r_refdef.view.frustum[0].normal[1] = m[7] - m[4];
4250         r_refdef.view.frustum[0].normal[2] = m[11] - m[8];
4251         r_refdef.view.frustum[0].dist = m[15] - m[12];
4252
4253         r_refdef.view.frustum[1].normal[0] = m[3] + m[0];
4254         r_refdef.view.frustum[1].normal[1] = m[7] + m[4];
4255         r_refdef.view.frustum[1].normal[2] = m[11] + m[8];
4256         r_refdef.view.frustum[1].dist = m[15] + m[12];
4257
4258         r_refdef.view.frustum[2].normal[0] = m[3] - m[1];
4259         r_refdef.view.frustum[2].normal[1] = m[7] - m[5];
4260         r_refdef.view.frustum[2].normal[2] = m[11] - m[9];
4261         r_refdef.view.frustum[2].dist = m[15] - m[13];
4262
4263         r_refdef.view.frustum[3].normal[0] = m[3] + m[1];
4264         r_refdef.view.frustum[3].normal[1] = m[7] + m[5];
4265         r_refdef.view.frustum[3].normal[2] = m[11] + m[9];
4266         r_refdef.view.frustum[3].dist = m[15] + m[13];
4267
4268         r_refdef.view.frustum[4].normal[0] = m[3] - m[2];
4269         r_refdef.view.frustum[4].normal[1] = m[7] - m[6];
4270         r_refdef.view.frustum[4].normal[2] = m[11] - m[10];
4271         r_refdef.view.frustum[4].dist = m[15] - m[14];
4272
4273         r_refdef.view.frustum[5].normal[0] = m[3] + m[2];
4274         r_refdef.view.frustum[5].normal[1] = m[7] + m[6];
4275         r_refdef.view.frustum[5].normal[2] = m[11] + m[10];
4276         r_refdef.view.frustum[5].dist = m[15] + m[14];
4277 #endif
4278
4279         if (r_refdef.view.useperspective)
4280         {
4281                 // calculate frustum corners, which are used to calculate deformed frustum planes for shadow caster culling
4282                 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]);
4283                 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]);
4284                 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]);
4285                 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]);
4286
4287                 // then the normals from the corners relative to origin
4288                 CrossProduct(r_refdef.view.frustumcorner[2], r_refdef.view.frustumcorner[0], r_refdef.view.frustum[0].normal);
4289                 CrossProduct(r_refdef.view.frustumcorner[1], r_refdef.view.frustumcorner[3], r_refdef.view.frustum[1].normal);
4290                 CrossProduct(r_refdef.view.frustumcorner[0], r_refdef.view.frustumcorner[1], r_refdef.view.frustum[2].normal);
4291                 CrossProduct(r_refdef.view.frustumcorner[3], r_refdef.view.frustumcorner[2], r_refdef.view.frustum[3].normal);
4292
4293                 // in a NORMAL view, forward cross left == up
4294                 // in a REFLECTED view, forward cross left == down
4295                 // so our cross products above need to be adjusted for a left handed coordinate system
4296                 CrossProduct(forward, left, v);
4297                 if(DotProduct(v, up) < 0)
4298                 {
4299                         VectorNegate(r_refdef.view.frustum[0].normal, r_refdef.view.frustum[0].normal);
4300                         VectorNegate(r_refdef.view.frustum[1].normal, r_refdef.view.frustum[1].normal);
4301                         VectorNegate(r_refdef.view.frustum[2].normal, r_refdef.view.frustum[2].normal);
4302                         VectorNegate(r_refdef.view.frustum[3].normal, r_refdef.view.frustum[3].normal);
4303                 }
4304
4305                 // Leaving those out was a mistake, those were in the old code, and they
4306                 // fix a reproducable bug in this one: frustum culling got fucked up when viewmatrix was an identity matrix
4307                 // I couldn't reproduce it after adding those normalizations. --blub
4308                 VectorNormalize(r_refdef.view.frustum[0].normal);
4309                 VectorNormalize(r_refdef.view.frustum[1].normal);
4310                 VectorNormalize(r_refdef.view.frustum[2].normal);
4311                 VectorNormalize(r_refdef.view.frustum[3].normal);
4312
4313                 // make the corners absolute
4314                 VectorAdd(r_refdef.view.frustumcorner[0], r_refdef.view.origin, r_refdef.view.frustumcorner[0]);
4315                 VectorAdd(r_refdef.view.frustumcorner[1], r_refdef.view.origin, r_refdef.view.frustumcorner[1]);
4316                 VectorAdd(r_refdef.view.frustumcorner[2], r_refdef.view.origin, r_refdef.view.frustumcorner[2]);
4317                 VectorAdd(r_refdef.view.frustumcorner[3], r_refdef.view.origin, r_refdef.view.frustumcorner[3]);
4318
4319                 // one more normal
4320                 VectorCopy(forward, r_refdef.view.frustum[4].normal);
4321
4322                 r_refdef.view.frustum[0].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[0].normal);
4323                 r_refdef.view.frustum[1].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[1].normal);
4324                 r_refdef.view.frustum[2].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[2].normal);
4325                 r_refdef.view.frustum[3].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[3].normal);
4326                 r_refdef.view.frustum[4].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[4].normal) + r_refdef.nearclip;
4327         }
4328         else
4329         {
4330                 VectorScale(left, -1.0f, r_refdef.view.frustum[0].normal);
4331                 VectorScale(left,  1.0f, r_refdef.view.frustum[1].normal);
4332                 VectorScale(up, -1.0f, r_refdef.view.frustum[2].normal);
4333                 VectorScale(up,  1.0f, r_refdef.view.frustum[3].normal);
4334                 VectorScale(forward, -1.0f, r_refdef.view.frustum[4].normal);
4335                 r_refdef.view.frustum[0].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[0].normal) - r_refdef.view.ortho_x;
4336                 r_refdef.view.frustum[1].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[1].normal) - r_refdef.view.ortho_x;
4337                 r_refdef.view.frustum[2].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[2].normal) - r_refdef.view.ortho_y;
4338                 r_refdef.view.frustum[3].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[3].normal) - r_refdef.view.ortho_y;
4339                 r_refdef.view.frustum[4].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[4].normal) - r_refdef.farclip;
4340         }
4341         r_refdef.view.numfrustumplanes = 5;
4342
4343         if (r_refdef.view.useclipplane)
4344         {
4345                 r_refdef.view.numfrustumplanes = 6;
4346                 r_refdef.view.frustum[5] = r_refdef.view.clipplane;
4347         }
4348
4349         for (i = 0;i < r_refdef.view.numfrustumplanes;i++)
4350                 PlaneClassify(r_refdef.view.frustum + i);
4351
4352         // LadyHavoc: note to all quake engine coders, Quake had a special case
4353         // for 90 degrees which assumed a square view (wrong), so I removed it,
4354         // Quake2 has it disabled as well.
4355
4356         // rotate R_VIEWFORWARD right by FOV_X/2 degrees
4357         //RotatePointAroundVector( r_refdef.view.frustum[0].normal, up, forward, -(90 - r_refdef.fov_x / 2));
4358         //r_refdef.view.frustum[0].dist = DotProduct (r_refdef.view.origin, frustum[0].normal);
4359         //PlaneClassify(&frustum[0]);
4360
4361         // rotate R_VIEWFORWARD left by FOV_X/2 degrees
4362         //RotatePointAroundVector( r_refdef.view.frustum[1].normal, up, forward, (90 - r_refdef.fov_x / 2));
4363         //r_refdef.view.frustum[1].dist = DotProduct (r_refdef.view.origin, frustum[1].normal);
4364         //PlaneClassify(&frustum[1]);
4365
4366         // rotate R_VIEWFORWARD up by FOV_X/2 degrees
4367         //RotatePointAroundVector( r_refdef.view.frustum[2].normal, left, forward, -(90 - r_refdef.fov_y / 2));
4368         //r_refdef.view.frustum[2].dist = DotProduct (r_refdef.view.origin, frustum[2].normal);
4369         //PlaneClassify(&frustum[2]);
4370
4371         // rotate R_VIEWFORWARD down by FOV_X/2 degrees
4372         //RotatePointAroundVector( r_refdef.view.frustum[3].normal, left, forward, (90 - r_refdef.fov_y / 2));
4373         //r_refdef.view.frustum[3].dist = DotProduct (r_refdef.view.origin, frustum[3].normal);
4374         //PlaneClassify(&frustum[3]);
4375
4376         // nearclip plane
4377         //VectorCopy(forward, r_refdef.view.frustum[4].normal);
4378         //r_refdef.view.frustum[4].dist = DotProduct (r_refdef.view.origin, frustum[4].normal) + r_nearclip.value;
4379         //PlaneClassify(&frustum[4]);
4380 }
4381
4382 static void R_View_Update(const int *myscissor)
4383 {
4384         R_Main_ResizeViewCache();
4385         R_View_SetFrustum(myscissor);
4386         R_View_WorldVisibility(!r_refdef.view.usevieworiginculling);
4387         R_View_UpdateEntityVisible();
4388 }
4389
4390 float viewscalefpsadjusted = 1.0f;
4391
4392 void R_SetupView(qbool allowwaterclippingplane, int viewfbo, rtexture_t *viewdepthtexture, rtexture_t *viewcolortexture, int viewx, int viewy, int viewwidth, int viewheight)
4393 {
4394         const float *customclipplane = NULL;
4395         float plane[4];
4396         int viewy_adjusted;
4397         if (r_refdef.view.useclipplane && allowwaterclippingplane)
4398         {
4399                 // LadyHavoc: couldn't figure out how to make this approach work the same in DPSOFTRAST
4400                 vec_t dist = r_refdef.view.clipplane.dist - r_water_clippingplanebias.value;
4401                 vec_t viewdist = DotProduct(r_refdef.view.origin, r_refdef.view.clipplane.normal);
4402                 if (viewdist < r_refdef.view.clipplane.dist + r_water_clippingplanebias.value)
4403                         dist = r_refdef.view.clipplane.dist;
4404                 plane[0] = r_refdef.view.clipplane.normal[0];
4405                 plane[1] = r_refdef.view.clipplane.normal[1];
4406                 plane[2] = r_refdef.view.clipplane.normal[2];
4407                 plane[3] = -dist;
4408                 customclipplane = plane;
4409         }
4410
4411         // GL is weird because it's bottom to top, r_refdef.view.y is top to bottom.
4412         // Unless the render target is a FBO...
4413         viewy_adjusted = viewfbo ? viewy : vid.height - viewheight - viewy;
4414
4415         if (!r_refdef.view.useperspective)
4416                 R_Viewport_InitOrtho3D(&r_refdef.view.viewport, &r_refdef.view.matrix, viewx, viewy_adjusted, viewwidth, viewheight, r_refdef.view.ortho_x, r_refdef.view.ortho_y, -r_refdef.farclip, r_refdef.farclip, customclipplane);
4417         else if (vid.stencil && r_useinfinitefarclip.integer)
4418                 R_Viewport_InitPerspectiveInfinite(&r_refdef.view.viewport, &r_refdef.view.matrix, viewx, viewy_adjusted, viewwidth, viewheight, r_refdef.view.frustum_x, r_refdef.view.frustum_y, r_refdef.nearclip, customclipplane);
4419         else
4420                 R_Viewport_InitPerspective(&r_refdef.view.viewport, &r_refdef.view.matrix, viewx, viewy_adjusted, viewwidth, viewheight, r_refdef.view.frustum_x, r_refdef.view.frustum_y, r_refdef.nearclip, r_refdef.farclip, customclipplane);
4421         R_Mesh_SetRenderTargets(viewfbo, viewdepthtexture, viewcolortexture, NULL, NULL, NULL);
4422         R_SetViewport(&r_refdef.view.viewport);
4423 }
4424
4425 void R_EntityMatrix(const matrix4x4_t *matrix)
4426 {
4427         if (gl_modelmatrixchanged || memcmp(matrix, &gl_modelmatrix, sizeof(matrix4x4_t)))
4428         {
4429                 gl_modelmatrixchanged = false;
4430                 gl_modelmatrix = *matrix;
4431                 Matrix4x4_Concat(&gl_modelviewmatrix, &gl_viewmatrix, &gl_modelmatrix);
4432                 Matrix4x4_Concat(&gl_modelviewprojectionmatrix, &gl_projectionmatrix, &gl_modelviewmatrix);
4433                 Matrix4x4_ToArrayFloatGL(&gl_modelviewmatrix, gl_modelview16f);
4434                 Matrix4x4_ToArrayFloatGL(&gl_modelviewprojectionmatrix, gl_modelviewprojection16f);
4435                 CHECKGLERROR
4436                 switch(vid.renderpath)
4437                 {
4438                 case RENDERPATH_GL32:
4439                 case RENDERPATH_GLES2:
4440                         if (r_glsl_permutation && r_glsl_permutation->loc_ModelViewProjectionMatrix >= 0) qglUniformMatrix4fv(r_glsl_permutation->loc_ModelViewProjectionMatrix, 1, false, gl_modelviewprojection16f);
4441                         if (r_glsl_permutation && r_glsl_permutation->loc_ModelViewMatrix >= 0) qglUniformMatrix4fv(r_glsl_permutation->loc_ModelViewMatrix, 1, false, gl_modelview16f);
4442                         break;
4443                 }
4444         }
4445 }
4446
4447 void R_ResetViewRendering2D_Common(int viewfbo, rtexture_t *viewdepthtexture, rtexture_t *viewcolortexture, int viewx, int viewy, int viewwidth, int viewheight, float x2, float y2)
4448 {
4449         r_viewport_t viewport;
4450         int viewy_adjusted;
4451
4452         CHECKGLERROR
4453
4454         // GL is weird because it's bottom to top, r_refdef.view.y is top to bottom.
4455         // Unless the render target is a FBO...
4456         viewy_adjusted = viewfbo ? viewy : vid.height - viewheight - viewy;
4457
4458         R_Viewport_InitOrtho(&viewport, &identitymatrix, viewx, viewy_adjusted, viewwidth, viewheight, 0, 0, x2, y2, -10, 100, NULL);
4459         R_Mesh_SetRenderTargets(viewfbo, viewdepthtexture, viewcolortexture, NULL, NULL, NULL);
4460         R_SetViewport(&viewport);
4461         GL_Scissor(viewport.x, viewport.y, viewport.width, viewport.height);
4462         GL_Color(1, 1, 1, 1);
4463         GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1);
4464         GL_BlendFunc(GL_ONE, GL_ZERO);
4465         GL_ScissorTest(false);
4466         GL_DepthMask(false);
4467         GL_DepthRange(0, 1);
4468         GL_DepthTest(false);
4469         GL_DepthFunc(GL_LEQUAL);
4470         R_EntityMatrix(&identitymatrix);
4471         R_Mesh_ResetTextureState();
4472         GL_PolygonOffset(0, 0);
4473         switch(vid.renderpath)
4474         {
4475         case RENDERPATH_GL32:
4476         case RENDERPATH_GLES2:
4477                 qglEnable(GL_POLYGON_OFFSET_FILL);CHECKGLERROR
4478                 break;
4479         }
4480         GL_CullFace(GL_NONE);
4481
4482         CHECKGLERROR
4483 }
4484
4485 void R_ResetViewRendering2D(int viewfbo, rtexture_t *viewdepthtexture, rtexture_t *viewcolortexture, int viewx, int viewy, int viewwidth, int viewheight)
4486 {
4487         R_ResetViewRendering2D_Common(viewfbo, viewdepthtexture, viewcolortexture, viewx, viewy, viewwidth, viewheight, 1.0f, 1.0f);
4488 }
4489
4490 void R_ResetViewRendering3D(int viewfbo, rtexture_t *viewdepthtexture, rtexture_t *viewcolortexture, int viewx, int viewy, int viewwidth, int viewheight)
4491 {
4492         R_SetupView(true, viewfbo, viewdepthtexture, viewcolortexture, viewx, viewy, viewwidth, viewheight);
4493         GL_Scissor(r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height);
4494         GL_Color(1, 1, 1, 1);
4495         GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1);
4496         GL_BlendFunc(GL_ONE, GL_ZERO);
4497         GL_ScissorTest(true);
4498         GL_DepthMask(true);
4499         GL_DepthRange(0, 1);
4500         GL_DepthTest(true);
4501         GL_DepthFunc(GL_LEQUAL);
4502         R_EntityMatrix(&identitymatrix);
4503         R_Mesh_ResetTextureState();
4504         GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
4505         switch(vid.renderpath)
4506         {
4507         case RENDERPATH_GL32:
4508         case RENDERPATH_GLES2:
4509                 qglEnable(GL_POLYGON_OFFSET_FILL);CHECKGLERROR
4510                 break;
4511         }
4512         GL_CullFace(r_refdef.view.cullface_back);
4513 }
4514
4515 /*
4516 ================
4517 R_RenderView_UpdateViewVectors
4518 ================
4519 */
4520 void R_RenderView_UpdateViewVectors(void)
4521 {
4522         // break apart the view matrix into vectors for various purposes
4523         // it is important that this occurs outside the RenderScene function because that can be called from reflection renders, where the vectors come out wrong
4524         // however the r_refdef.view.origin IS updated in RenderScene intentionally - otherwise the sky renders at the wrong origin, etc
4525         Matrix4x4_ToVectors(&r_refdef.view.matrix, r_refdef.view.forward, r_refdef.view.left, r_refdef.view.up, r_refdef.view.origin);
4526         VectorNegate(r_refdef.view.left, r_refdef.view.right);
4527         // make an inverted copy of the view matrix for tracking sprites
4528         Matrix4x4_Invert_Full(&r_refdef.view.inverse_matrix, &r_refdef.view.matrix);
4529 }
4530
4531 void R_RenderTarget_FreeUnused(qbool force)
4532 {
4533         unsigned int i, j, end;
4534         end = (unsigned int)Mem_ExpandableArray_IndexRange(&r_fb.rendertargets); // checked
4535         for (i = 0; i < end; i++)
4536         {
4537                 r_rendertarget_t *r = (r_rendertarget_t *)Mem_ExpandableArray_RecordAtIndex(&r_fb.rendertargets, i);
4538                 // free resources for rendertargets that have not been used for a while
4539                 // (note: this check is run after the frame render, so any targets used
4540                 // this frame will not be affected even at low framerates)
4541                 if (r && (host.realtime - r->lastusetime > 0.2 || force))
4542                 {
4543                         if (r->fbo)
4544                                 R_Mesh_DestroyFramebufferObject(r->fbo);
4545                         for (j = 0; j < sizeof(r->colortexture) / sizeof(r->colortexture[0]); j++)
4546                                 if (r->colortexture[j])
4547                                         R_FreeTexture(r->colortexture[j]);
4548                         if (r->depthtexture)
4549                                 R_FreeTexture(r->depthtexture);
4550                         Mem_ExpandableArray_FreeRecord(&r_fb.rendertargets, r);
4551                 }
4552         }
4553 }
4554
4555 static void R_CalcTexCoordsForView(float x, float y, float w, float h, float tw, float th, float *texcoord2f)
4556 {
4557         float iw = 1.0f / tw, ih = 1.0f / th, x1, y1, x2, y2;
4558         x1 = x * iw;
4559         x2 = (x + w) * iw;
4560         y1 = (th - y) * ih;
4561         y2 = (th - y - h) * ih;
4562         texcoord2f[0] = x1;
4563         texcoord2f[2] = x2;
4564         texcoord2f[4] = x2;
4565         texcoord2f[6] = x1;
4566         texcoord2f[1] = y1;
4567         texcoord2f[3] = y1;
4568         texcoord2f[5] = y2;
4569         texcoord2f[7] = y2;
4570 }
4571
4572 r_rendertarget_t *R_RenderTarget_Get(int texturewidth, int textureheight, textype_t depthtextype, qbool depthisrenderbuffer, textype_t colortextype0, textype_t colortextype1, textype_t colortextype2, textype_t colortextype3)
4573 {
4574         unsigned int i, j, end;
4575         r_rendertarget_t *r = NULL;
4576         char vabuf[256];
4577         // first try to reuse an existing slot if possible
4578         end = (unsigned int)Mem_ExpandableArray_IndexRange(&r_fb.rendertargets); // checked
4579         for (i = 0; i < end; i++)
4580         {
4581                 r = (r_rendertarget_t *)Mem_ExpandableArray_RecordAtIndex(&r_fb.rendertargets, i);
4582                 if (r && r->lastusetime != host.realtime && r->texturewidth == texturewidth && r->textureheight == textureheight && r->depthtextype == depthtextype && r->colortextype[0] == colortextype0 && r->colortextype[1] == colortextype1 && r->colortextype[2] == colortextype2 && r->colortextype[3] == colortextype3)
4583                         break;
4584         }
4585         if (i == end)
4586         {
4587                 // no unused exact match found, so we have to make one in the first unused slot
4588                 r = (r_rendertarget_t *)Mem_ExpandableArray_AllocRecord(&r_fb.rendertargets);
4589                 r->texturewidth = texturewidth;
4590                 r->textureheight = textureheight;
4591                 r->colortextype[0] = colortextype0;
4592                 r->colortextype[1] = colortextype1;
4593                 r->colortextype[2] = colortextype2;
4594                 r->colortextype[3] = colortextype3;
4595                 r->depthtextype = depthtextype;
4596                 r->depthisrenderbuffer = depthisrenderbuffer;
4597                 for (j = 0; j < 4; j++)
4598                         if (r->colortextype[j])
4599                                 r->colortexture[j] = R_LoadTexture2D(r_main_texturepool, va(vabuf, sizeof(vabuf), "rendertarget%i_%i_type%i", i, j, (int)r->colortextype[j]), r->texturewidth, r->textureheight, NULL, r->colortextype[j], TEXF_RENDERTARGET | TEXF_FORCELINEAR | TEXF_CLAMP, -1, NULL);
4600                 if (r->depthtextype)
4601                 {
4602                         if (r->depthisrenderbuffer)
4603                                 r->depthtexture = R_LoadTextureRenderBuffer(r_main_texturepool, va(vabuf, sizeof(vabuf), "renderbuffer%i_depth_type%i", i, (int)r->depthtextype), r->texturewidth, r->textureheight, r->depthtextype);
4604                         else
4605                                 r->depthtexture = R_LoadTexture2D(r_main_texturepool, va(vabuf, sizeof(vabuf), "rendertarget%i_depth_type%i", i, (int)r->depthtextype), r->texturewidth, r->textureheight, NULL, r->depthtextype, TEXF_RENDERTARGET | TEXF_FORCELINEAR | TEXF_CLAMP, -1, NULL);
4606                 }
4607                 r->fbo = R_Mesh_CreateFramebufferObject(r->depthtexture, r->colortexture[0], r->colortexture[1], r->colortexture[2], r->colortexture[3]);
4608         }
4609         r_refdef.stats[r_stat_rendertargets_used]++;
4610         r_refdef.stats[r_stat_rendertargets_pixels] += r->texturewidth * r->textureheight;
4611         r->lastusetime = host.realtime;
4612         R_CalcTexCoordsForView(0, 0, r->texturewidth, r->textureheight, r->texturewidth, r->textureheight, r->texcoord2f);
4613         return r;
4614 }
4615
4616 static void R_Water_StartFrame(int viewwidth, int viewheight)
4617 {
4618         int waterwidth, waterheight;
4619
4620         if (viewwidth > (int)vid.maxtexturesize_2d || viewheight > (int)vid.maxtexturesize_2d)
4621                 return;
4622
4623         // set waterwidth and waterheight to the water resolution that will be
4624         // used (often less than the screen resolution for faster rendering)
4625         waterwidth = (int)bound(16, viewwidth * r_water_resolutionmultiplier.value, viewwidth);
4626         waterheight = (int)bound(16, viewheight * r_water_resolutionmultiplier.value, viewheight);
4627
4628         if (!r_water.integer || r_showsurfaces.integer || r_lockvisibility.integer || r_lockpvs.integer)
4629                 waterwidth = waterheight = 0;
4630
4631         // set up variables that will be used in shader setup
4632         r_fb.water.waterwidth = waterwidth;
4633         r_fb.water.waterheight = waterheight;
4634         r_fb.water.texturewidth = waterwidth;
4635         r_fb.water.textureheight = waterheight;
4636         r_fb.water.camerawidth = waterwidth;
4637         r_fb.water.cameraheight = waterheight;
4638         r_fb.water.screenscale[0] = 0.5f;
4639         r_fb.water.screenscale[1] = 0.5f;
4640         r_fb.water.screencenter[0] = 0.5f;
4641         r_fb.water.screencenter[1] = 0.5f;
4642         r_fb.water.enabled = waterwidth != 0;
4643
4644         r_fb.water.maxwaterplanes = MAX_WATERPLANES;
4645         r_fb.water.numwaterplanes = 0;
4646 }
4647
4648 void R_Water_AddWaterPlane(msurface_t *surface, int entno)
4649 {
4650         int planeindex, bestplaneindex, vertexindex;
4651         vec3_t mins, maxs, normal, center, v, n;
4652         vec_t planescore, bestplanescore;
4653         mplane_t plane;
4654         r_waterstate_waterplane_t *p;
4655         texture_t *t = R_GetCurrentTexture(surface->texture);
4656
4657         rsurface.texture = t;
4658         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_NOGAPS, 1, ((const msurface_t **)&surface));
4659         // if the model has no normals, it's probably off-screen and they were not generated, so don't add it anyway
4660         if (!rsurface.batchnormal3f || rsurface.batchnumvertices < 1)
4661                 return;
4662         // average the vertex normals, find the surface bounds (after deformvertexes)
4663         Matrix4x4_Transform(&rsurface.matrix, rsurface.batchvertex3f, v);
4664         Matrix4x4_Transform3x3(&rsurface.matrix, rsurface.batchnormal3f, n);
4665         VectorCopy(n, normal);
4666         VectorCopy(v, mins);
4667         VectorCopy(v, maxs);
4668         for (vertexindex = 1;vertexindex < rsurface.batchnumvertices;vertexindex++)
4669         {
4670                 Matrix4x4_Transform(&rsurface.matrix, rsurface.batchvertex3f + vertexindex*3, v);
4671                 Matrix4x4_Transform3x3(&rsurface.matrix, rsurface.batchnormal3f + vertexindex*3, n);
4672                 VectorAdd(normal, n, normal);
4673                 mins[0] = min(mins[0], v[0]);
4674                 mins[1] = min(mins[1], v[1]);
4675                 mins[2] = min(mins[2], v[2]);
4676                 maxs[0] = max(maxs[0], v[0]);
4677                 maxs[1] = max(maxs[1], v[1]);
4678                 maxs[2] = max(maxs[2], v[2]);
4679         }
4680         VectorNormalize(normal);
4681         VectorMAM(0.5f, mins, 0.5f, maxs, center);
4682
4683         VectorCopy(normal, plane.normal);
4684         VectorNormalize(plane.normal);
4685         plane.dist = DotProduct(center, plane.normal);
4686         PlaneClassify(&plane);
4687         if (PlaneDiff(r_refdef.view.origin, &plane) < 0)
4688         {
4689                 // skip backfaces (except if nocullface is set)
4690 //              if (!(t->currentmaterialflags & MATERIALFLAG_NOCULLFACE))
4691 //                      return;
4692                 VectorNegate(plane.normal, plane.normal);
4693                 plane.dist *= -1;
4694                 PlaneClassify(&plane);
4695         }
4696
4697
4698         // find a matching plane if there is one
4699         bestplaneindex = -1;
4700         bestplanescore = 1048576.0f;
4701         for (planeindex = 0, p = r_fb.water.waterplanes;planeindex < r_fb.water.numwaterplanes;planeindex++, p++)
4702         {
4703                 if(p->camera_entity == t->camera_entity)
4704                 {
4705                         planescore = 1.0f - DotProduct(plane.normal, p->plane.normal) + fabs(plane.dist - p->plane.dist) * 0.001f;
4706                         if (bestplaneindex < 0 || bestplanescore > planescore)
4707                         {
4708                                 bestplaneindex = planeindex;
4709                                 bestplanescore = planescore;
4710                         }
4711                 }
4712         }
4713         planeindex = bestplaneindex;
4714
4715         // if this surface does not fit any known plane rendered this frame, add one
4716         if (planeindex < 0 || bestplanescore > 0.001f)
4717         {
4718                 if (r_fb.water.numwaterplanes < r_fb.water.maxwaterplanes)
4719                 {
4720                         // store the new plane
4721                         planeindex = r_fb.water.numwaterplanes++;
4722                         p = r_fb.water.waterplanes + planeindex;
4723                         p->plane = plane;
4724                         // clear materialflags and pvs
4725                         p->materialflags = 0;
4726                         p->pvsvalid = false;
4727                         p->camera_entity = t->camera_entity;
4728                         VectorCopy(mins, p->mins);
4729                         VectorCopy(maxs, p->maxs);
4730                 }
4731                 else
4732                 {
4733                         // We're totally screwed.
4734                         return;
4735                 }
4736         }
4737         else
4738         {
4739                 // merge mins/maxs when we're adding this surface to the plane
4740                 p = r_fb.water.waterplanes + planeindex;
4741                 p->mins[0] = min(p->mins[0], mins[0]);
4742                 p->mins[1] = min(p->mins[1], mins[1]);
4743                 p->mins[2] = min(p->mins[2], mins[2]);
4744                 p->maxs[0] = max(p->maxs[0], maxs[0]);
4745                 p->maxs[1] = max(p->maxs[1], maxs[1]);
4746                 p->maxs[2] = max(p->maxs[2], maxs[2]);
4747         }
4748         // merge this surface's materialflags into the waterplane
4749         p->materialflags |= t->currentmaterialflags;
4750         if(!(p->materialflags & MATERIALFLAG_CAMERA))
4751         {
4752                 // merge this surface's PVS into the waterplane
4753                 if (p->materialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_REFLECTION) && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.FatPVS
4754                  && r_refdef.scene.worldmodel->brush.PointInLeaf && r_refdef.scene.worldmodel->brush.PointInLeaf(r_refdef.scene.worldmodel, center)->clusterindex >= 0)
4755                 {
4756                         r_refdef.scene.worldmodel->brush.FatPVS(r_refdef.scene.worldmodel, center, 2, p->pvsbits, sizeof(p->pvsbits), p->pvsvalid);
4757                         p->pvsvalid = true;
4758                 }
4759         }
4760 }
4761
4762 extern cvar_t r_drawparticles;
4763 extern cvar_t r_drawdecals;
4764
4765 static void R_Water_ProcessPlanes(int fbo, rtexture_t *depthtexture, rtexture_t *colortexture, int viewx, int viewy, int viewwidth, int viewheight)
4766 {
4767         int myscissor[4];
4768         r_refdef_view_t originalview;
4769         r_refdef_view_t myview;
4770         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;
4771         r_waterstate_waterplane_t *p;
4772         vec3_t visorigin;
4773         r_rendertarget_t *rt;
4774
4775         originalview = r_refdef.view;
4776
4777         // lowquality hack, temporarily shut down some cvars and restore afterwards
4778         qualityreduction = r_water_lowquality.integer;
4779         if (qualityreduction > 0)
4780         {
4781                 if (qualityreduction >= 1)
4782                 {
4783                         old_r_shadows = r_shadows.integer;
4784                         old_r_worldrtlight = r_shadow_realtime_world.integer;
4785                         old_r_dlight = r_shadow_realtime_dlight.integer;
4786                         Cvar_SetValueQuick(&r_shadows, 0);
4787                         Cvar_SetValueQuick(&r_shadow_realtime_world, 0);
4788                         Cvar_SetValueQuick(&r_shadow_realtime_dlight, 0);
4789                 }
4790                 if (qualityreduction >= 2)
4791                 {
4792                         old_r_dynamic = r_dynamic.integer;
4793                         old_r_particles = r_drawparticles.integer;
4794                         old_r_decals = r_drawdecals.integer;
4795                         Cvar_SetValueQuick(&r_dynamic, 0);
4796                         Cvar_SetValueQuick(&r_drawparticles, 0);
4797                         Cvar_SetValueQuick(&r_drawdecals, 0);
4798                 }
4799         }
4800
4801         for (planeindex = 0, p = r_fb.water.waterplanes; planeindex < r_fb.water.numwaterplanes; planeindex++, p++)
4802         {
4803                 p->rt_reflection = NULL;
4804                 p->rt_refraction = NULL;
4805                 p->rt_camera = NULL;
4806         }
4807
4808         // render views
4809         r_refdef.view = originalview;
4810         r_refdef.view.showdebug = false;
4811         r_refdef.view.width = r_fb.water.waterwidth;
4812         r_refdef.view.height = r_fb.water.waterheight;
4813         r_refdef.view.useclipplane = true;
4814         myview = r_refdef.view;
4815         r_fb.water.renderingscene = true;
4816         for (planeindex = 0, p = r_fb.water.waterplanes;planeindex < r_fb.water.numwaterplanes;planeindex++, p++)
4817         {
4818                 if (r_water_cameraentitiesonly.value != 0 && !p->camera_entity)
4819                         continue;
4820
4821                 if (p->materialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFLECTION))
4822                 {
4823                         rt = R_RenderTarget_Get(r_fb.water.waterwidth, r_fb.water.waterheight, TEXTYPE_DEPTHBUFFER24STENCIL8, true, r_fb.rt_screen->colortextype[0], TEXTYPE_UNUSED, TEXTYPE_UNUSED, TEXTYPE_UNUSED);
4824                         if (rt->colortexture[0] == NULL || rt->depthtexture == NULL)
4825                                 goto error;
4826                         r_refdef.view = myview;
4827                         Matrix4x4_Reflect(&r_refdef.view.matrix, p->plane.normal[0], p->plane.normal[1], p->plane.normal[2], p->plane.dist, -2);
4828                         Matrix4x4_OriginFromMatrix(&r_refdef.view.matrix, r_refdef.view.origin);
4829                         if(r_water_scissormode.integer)
4830                         {
4831                                 R_SetupView(true, rt->fbo, rt->depthtexture, rt->colortexture[0], 0, 0, r_fb.water.waterwidth, r_fb.water.waterheight);
4832                                 if (R_ScissorForBBox(p->mins, p->maxs, myscissor))
4833                                 {
4834                                         p->rt_reflection = NULL;
4835                                         p->rt_refraction = NULL;
4836                                         p->rt_camera = NULL;
4837                                         continue;
4838                                 }
4839                         }
4840
4841                         r_refdef.view.clipplane = p->plane;
4842                         // reflected view origin may be in solid, so don't cull with it
4843                         r_refdef.view.usevieworiginculling = false;
4844                         // reverse the cullface settings for this render
4845                         r_refdef.view.cullface_front = GL_FRONT;
4846                         r_refdef.view.cullface_back = GL_BACK;
4847                         // combined pvs (based on what can be seen from each surface center)
4848                         if (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.num_pvsclusterbytes)
4849                         {
4850                                 r_refdef.view.usecustompvs = true;
4851                                 if (p->pvsvalid)
4852                                         memcpy(r_refdef.viewcache.world_pvsbits, p->pvsbits, r_refdef.scene.worldmodel->brush.num_pvsclusterbytes);
4853                                 else
4854                                         memset(r_refdef.viewcache.world_pvsbits, 0xFF, r_refdef.scene.worldmodel->brush.num_pvsclusterbytes);
4855                         }
4856
4857                         r_fb.water.hideplayer = ((r_water_hideplayer.integer >= 2) && !chase_active.integer);
4858                         R_ResetViewRendering3D(rt->fbo, rt->depthtexture, rt->colortexture[0], 0, 0, rt->texturewidth, rt->textureheight);
4859                         GL_ScissorTest(false);
4860                         R_ClearScreen(r_refdef.fogenabled);
4861                         GL_ScissorTest(true);
4862                         R_View_Update(r_water_scissormode.integer & 2 ? myscissor : NULL);
4863                         R_AnimCache_CacheVisibleEntities();
4864                         if(r_water_scissormode.integer & 1)
4865                                 GL_Scissor(myscissor[0], myscissor[1], myscissor[2], myscissor[3]);
4866                         R_RenderScene(rt->fbo, rt->depthtexture, rt->colortexture[0], 0, 0, rt->texturewidth, rt->textureheight);
4867
4868                         r_fb.water.hideplayer = false;
4869                         p->rt_reflection = rt;
4870                 }
4871
4872                 // render the normal view scene and copy into texture
4873                 // (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)
4874                 if (p->materialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION))
4875                 {
4876                         rt = R_RenderTarget_Get(r_fb.water.waterwidth, r_fb.water.waterheight, TEXTYPE_DEPTHBUFFER24STENCIL8, true, r_fb.rt_screen->colortextype[0], TEXTYPE_UNUSED, TEXTYPE_UNUSED, TEXTYPE_UNUSED);
4877                         if (rt->colortexture[0] == NULL || rt->depthtexture == NULL)
4878                                 goto error;
4879                         r_refdef.view = myview;
4880                         if(r_water_scissormode.integer)
4881                         {
4882                                 R_SetupView(true, rt->fbo, rt->depthtexture, rt->colortexture[0], 0, 0, r_fb.water.waterwidth, r_fb.water.waterheight);
4883                                 if (R_ScissorForBBox(p->mins, p->maxs, myscissor))
4884                                 {
4885                                         p->rt_reflection = NULL;
4886                                         p->rt_refraction = NULL;
4887                                         p->rt_camera = NULL;
4888                                         continue;
4889                                 }
4890                         }
4891
4892                         // combined pvs (based on what can be seen from each surface center)
4893                         if (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.num_pvsclusterbytes)
4894                         {
4895                                 r_refdef.view.usecustompvs = true;
4896                                 if (p->pvsvalid)
4897                                         memcpy(r_refdef.viewcache.world_pvsbits, p->pvsbits, r_refdef.scene.worldmodel->brush.num_pvsclusterbytes);
4898                                 else
4899                                         memset(r_refdef.viewcache.world_pvsbits, 0xFF, r_refdef.scene.worldmodel->brush.num_pvsclusterbytes);
4900                         }
4901
4902                         r_fb.water.hideplayer = ((r_water_hideplayer.integer >= 1) && !chase_active.integer);
4903
4904                         r_refdef.view.clipplane = p->plane;
4905                         VectorNegate(r_refdef.view.clipplane.normal, r_refdef.view.clipplane.normal);
4906                         r_refdef.view.clipplane.dist = -r_refdef.view.clipplane.dist;
4907
4908                         if((p->materialflags & MATERIALFLAG_CAMERA) && p->camera_entity)
4909                         {
4910                                 // we need to perform a matrix transform to render the view... so let's get the transformation matrix
4911                                 r_fb.water.hideplayer = false; // we don't want to hide the player model from these ones
4912                                 CL_VM_TransformView(p->camera_entity - MAX_EDICTS, &r_refdef.view.matrix, &r_refdef.view.clipplane, visorigin);
4913                                 R_RenderView_UpdateViewVectors();
4914                                 if(r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.FatPVS)
4915                                 {
4916                                         r_refdef.view.usecustompvs = true;
4917                                         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);
4918                                 }
4919                         }
4920
4921                         PlaneClassify(&r_refdef.view.clipplane);
4922
4923                         R_ResetViewRendering3D(rt->fbo, rt->depthtexture, rt->colortexture[0], 0, 0, rt->texturewidth, rt->textureheight);
4924                         GL_ScissorTest(false);
4925                         R_ClearScreen(r_refdef.fogenabled);
4926                         GL_ScissorTest(true);
4927                         R_View_Update(r_water_scissormode.integer & 2 ? myscissor : NULL);
4928                         R_AnimCache_CacheVisibleEntities();
4929                         if(r_water_scissormode.integer & 1)
4930                                 GL_Scissor(myscissor[0], myscissor[1], myscissor[2], myscissor[3]);
4931                         R_RenderScene(rt->fbo, rt->depthtexture, rt->colortexture[0], 0, 0, rt->texturewidth, rt->textureheight);
4932
4933                         r_fb.water.hideplayer = false;
4934                         p->rt_refraction = rt;
4935                 }
4936                 else if (p->materialflags & MATERIALFLAG_CAMERA)
4937                 {
4938                         rt = R_RenderTarget_Get(r_fb.water.waterwidth, r_fb.water.waterheight, TEXTYPE_DEPTHBUFFER24STENCIL8, true, r_fb.rt_screen->colortextype[0], TEXTYPE_UNUSED, TEXTYPE_UNUSED, TEXTYPE_UNUSED);
4939                         if (rt->colortexture[0] == NULL || rt->depthtexture == NULL)
4940                                 goto error;
4941                         r_refdef.view = myview;
4942
4943                         r_refdef.view.clipplane = p->plane;
4944                         VectorNegate(r_refdef.view.clipplane.normal, r_refdef.view.clipplane.normal);
4945                         r_refdef.view.clipplane.dist = -r_refdef.view.clipplane.dist;
4946
4947                         r_refdef.view.width = r_fb.water.camerawidth;
4948                         r_refdef.view.height = r_fb.water.cameraheight;
4949                         r_refdef.view.frustum_x = 1; // tan(45 * M_PI / 180.0);
4950                         r_refdef.view.frustum_y = 1; // tan(45 * M_PI / 180.0);
4951                         r_refdef.view.ortho_x = 90; // abused as angle by VM_CL_R_SetView
4952                         r_refdef.view.ortho_y = 90; // abused as angle by VM_CL_R_SetView
4953
4954                         if(p->camera_entity)
4955                         {
4956                                 // we need to perform a matrix transform to render the view... so let's get the transformation matrix
4957                                 CL_VM_TransformView(p->camera_entity - MAX_EDICTS, &r_refdef.view.matrix, &r_refdef.view.clipplane, visorigin);
4958                         }
4959
4960                         // note: all of the view is used for displaying... so
4961                         // there is no use in scissoring
4962
4963                         // reverse the cullface settings for this render
4964                         r_refdef.view.cullface_front = GL_FRONT;
4965                         r_refdef.view.cullface_back = GL_BACK;
4966                         // also reverse the view matrix
4967                         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
4968                         R_RenderView_UpdateViewVectors();
4969                         if(p->camera_entity && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.FatPVS)
4970                         {
4971                                 r_refdef.view.usecustompvs = true;
4972                                 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);
4973                         }
4974
4975                         // camera needs no clipplane
4976                         r_refdef.view.useclipplane = false;
4977                         // TODO: is the camera origin always valid?  if so we don't need to clear this
4978                         r_refdef.view.usevieworiginculling = false;
4979
4980                         PlaneClassify(&r_refdef.view.clipplane);
4981
4982                         r_fb.water.hideplayer = false;
4983
4984                         R_ResetViewRendering3D(rt->fbo, rt->depthtexture, rt->colortexture[0], 0, 0, rt->texturewidth, rt->textureheight);
4985                         GL_ScissorTest(false);
4986                         R_ClearScreen(r_refdef.fogenabled);
4987                         GL_ScissorTest(true);
4988                         R_View_Update(NULL);
4989                         R_AnimCache_CacheVisibleEntities();
4990                         R_RenderScene(rt->fbo, rt->depthtexture, rt->colortexture[0], 0, 0, rt->texturewidth, rt->textureheight);
4991
4992                         r_fb.water.hideplayer = false;
4993                         p->rt_camera = rt;
4994                 }
4995
4996         }
4997         r_fb.water.renderingscene = false;
4998         r_refdef.view = originalview;
4999         R_ResetViewRendering3D(fbo, depthtexture, colortexture, viewx, viewy, viewwidth, viewheight);
5000         R_View_Update(NULL);
5001         R_AnimCache_CacheVisibleEntities();
5002         goto finish;
5003 error:
5004         r_refdef.view = originalview;
5005         r_fb.water.renderingscene = false;
5006         Cvar_SetValueQuick(&r_water, 0);
5007         Con_Printf("R_Water_ProcessPlanes: Error: texture creation failed!  Turned off r_water.\n");
5008 finish:
5009         // lowquality hack, restore cvars
5010         if (qualityreduction > 0)
5011         {
5012                 if (qualityreduction >= 1)
5013                 {
5014                         Cvar_SetValueQuick(&r_shadows, old_r_shadows);
5015                         Cvar_SetValueQuick(&r_shadow_realtime_world, old_r_worldrtlight);
5016                         Cvar_SetValueQuick(&r_shadow_realtime_dlight, old_r_dlight);
5017                 }
5018                 if (qualityreduction >= 2)
5019                 {
5020                         Cvar_SetValueQuick(&r_dynamic, old_r_dynamic);
5021                         Cvar_SetValueQuick(&r_drawparticles, old_r_particles);
5022                         Cvar_SetValueQuick(&r_drawdecals, old_r_decals);
5023                 }
5024         }
5025 }
5026
5027 static void R_Bloom_StartFrame(void)
5028 {
5029         int screentexturewidth, screentextureheight;
5030         textype_t textype = TEXTYPE_COLORBUFFER;
5031         double scale;
5032
5033         // clear the pointers to rendertargets from last frame as they're stale
5034         r_fb.rt_screen = NULL;
5035         r_fb.rt_bloom = NULL;
5036
5037         switch (vid.renderpath)
5038         {
5039         case RENDERPATH_GL32:
5040                 r_fb.usedepthtextures = r_usedepthtextures.integer != 0;
5041                 if (r_viewfbo.integer == 2) textype = TEXTYPE_COLORBUFFER16F;
5042                 if (r_viewfbo.integer == 3) textype = TEXTYPE_COLORBUFFER32F;
5043                 break;
5044         case RENDERPATH_GLES2:
5045                 r_fb.usedepthtextures = false;
5046                 break;
5047         }
5048
5049         if (r_viewscale_fpsscaling.integer)
5050         {
5051                 double actualframetime;
5052                 double targetframetime;
5053                 double adjust;
5054                 actualframetime = r_refdef.lastdrawscreentime;
5055                 targetframetime = (1.0 / r_viewscale_fpsscaling_target.value);
5056                 adjust = (targetframetime - actualframetime) * r_viewscale_fpsscaling_multiply.value;
5057                 adjust = bound(-r_viewscale_fpsscaling_stepmax.value, adjust, r_viewscale_fpsscaling_stepmax.value);
5058                 if (r_viewscale_fpsscaling_stepsize.value > 0)
5059                 {
5060                         if (adjust > 0)
5061                                 adjust = floor(adjust / r_viewscale_fpsscaling_stepsize.value) * r_viewscale_fpsscaling_stepsize.value;
5062                         else
5063                                 adjust = ceil(adjust / r_viewscale_fpsscaling_stepsize.value) * r_viewscale_fpsscaling_stepsize.value;
5064                 }
5065                 viewscalefpsadjusted += adjust;
5066                 viewscalefpsadjusted = bound(r_viewscale_fpsscaling_min.value, viewscalefpsadjusted, 1.0f);
5067         }
5068         else
5069                 viewscalefpsadjusted = 1.0f;
5070
5071         scale = r_viewscale.value * sqrt(viewscalefpsadjusted);
5072         if (vid.samples)
5073                 scale *= sqrt(vid.samples); // supersampling
5074         scale = bound(0.03125f, scale, 4.0f);
5075         screentexturewidth = (int)ceil(r_refdef.view.width * scale);
5076         screentextureheight = (int)ceil(r_refdef.view.height * scale);
5077         screentexturewidth = bound(1, screentexturewidth, (int)vid.maxtexturesize_2d);
5078         screentextureheight = bound(1, screentextureheight, (int)vid.maxtexturesize_2d);
5079
5080         // set bloomwidth and bloomheight to the bloom resolution that will be
5081         // used (often less than the screen resolution for faster rendering)
5082         r_fb.bloomheight = bound(1, r_bloom_resolution.value * 0.75f, screentextureheight);
5083         r_fb.bloomwidth = r_fb.bloomheight * screentexturewidth / screentextureheight;
5084         r_fb.bloomwidth = bound(1, r_fb.bloomwidth, screentexturewidth);
5085         r_fb.bloomwidth = bound(1, r_fb.bloomwidth, (int)vid.maxtexturesize_2d);
5086         r_fb.bloomheight = bound(1, r_fb.bloomheight, (int)vid.maxtexturesize_2d);
5087
5088         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))
5089         {
5090                 Cvar_SetValueQuick(&r_bloom, 0);
5091                 Cvar_SetValueQuick(&r_motionblur, 0);
5092                 Cvar_SetValueQuick(&r_damageblur, 0);
5093         }
5094         if (!r_bloom.integer)
5095                 r_fb.bloomwidth = r_fb.bloomheight = 0;
5096
5097         // allocate motionblur ghost texture if needed - this is the only persistent texture and is only useful on the main view
5098         if (r_refdef.view.ismain && (r_fb.screentexturewidth != screentexturewidth || r_fb.screentextureheight != screentextureheight || r_fb.textype != textype))
5099         {
5100                 if (r_fb.ghosttexture)
5101                         R_FreeTexture(r_fb.ghosttexture);
5102                 r_fb.ghosttexture = NULL;
5103
5104                 r_fb.screentexturewidth = screentexturewidth;
5105                 r_fb.screentextureheight = screentextureheight;
5106                 r_fb.textype = textype;
5107
5108                 if (r_fb.screentexturewidth && r_fb.screentextureheight)
5109                 {
5110                         if (r_motionblur.value > 0 || r_damageblur.value > 0)
5111                                 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);
5112                         r_fb.ghosttexture_valid = false;
5113                 }
5114         }
5115
5116         r_fb.rt_screen = R_RenderTarget_Get(screentexturewidth, screentextureheight, TEXTYPE_DEPTHBUFFER24STENCIL8, true, textype, TEXTYPE_UNUSED, TEXTYPE_UNUSED, TEXTYPE_UNUSED);
5117
5118         r_refdef.view.clear = true;
5119 }
5120
5121 static void R_Bloom_MakeTexture(void)
5122 {
5123         int x, range, dir;
5124         float xoffset, yoffset, r, brighten;
5125         float colorscale = r_bloom_colorscale.value;
5126         r_viewport_t bloomviewport;
5127         r_rendertarget_t *prev, *cur;
5128         textype_t textype = r_fb.rt_screen->colortextype[0];
5129
5130         r_refdef.stats[r_stat_bloom]++;
5131
5132         R_Viewport_InitOrtho(&bloomviewport, &identitymatrix, 0, 0, r_fb.bloomwidth, r_fb.bloomheight, 0, 0, 1, 1, -10, 100, NULL);
5133
5134         // scale down screen texture to the bloom texture size
5135         CHECKGLERROR
5136         prev = r_fb.rt_screen;
5137         cur = R_RenderTarget_Get(r_fb.bloomwidth, r_fb.bloomheight, TEXTYPE_UNUSED, false, textype, TEXTYPE_UNUSED, TEXTYPE_UNUSED, TEXTYPE_UNUSED);
5138         R_Mesh_SetRenderTargets(cur->fbo, NULL, cur->colortexture[0], NULL, NULL, NULL);
5139         R_SetViewport(&bloomviewport);
5140         GL_CullFace(GL_NONE);
5141         GL_DepthTest(false);
5142         GL_BlendFunc(GL_ONE, GL_ZERO);
5143         GL_Color(colorscale, colorscale, colorscale, 1);
5144         R_Mesh_PrepareVertices_Generic_Arrays(4, r_screenvertex3f, NULL, prev->texcoord2f);
5145         // TODO: do boxfilter scale-down in shader?
5146         R_SetupShader_Generic(prev->colortexture[0], false, true, true);
5147         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
5148         r_refdef.stats[r_stat_bloom_drawpixels] += r_fb.bloomwidth * r_fb.bloomheight;
5149         // we now have a properly scaled bloom image
5150
5151         // multiply bloom image by itself as many times as desired to darken it
5152         // TODO: if people actually use this it could be done more quickly in the previous shader pass
5153         for (x = 1;x < min(r_bloom_colorexponent.value, 32);)
5154         {
5155                 prev = cur;
5156                 cur = R_RenderTarget_Get(r_fb.bloomwidth, r_fb.bloomheight, TEXTYPE_UNUSED, false, textype, TEXTYPE_UNUSED, TEXTYPE_UNUSED, TEXTYPE_UNUSED);
5157                 R_Mesh_SetRenderTargets(cur->fbo, NULL, cur->colortexture[0], NULL, NULL, NULL);
5158                 x *= 2;
5159                 r = bound(0, r_bloom_colorexponent.value / x, 1); // always 0.5 to 1
5160                 if(x <= 2)
5161                         GL_Clear(GL_COLOR_BUFFER_BIT, NULL, 1.0f, 0);
5162                 GL_BlendFunc(GL_SRC_COLOR, GL_ZERO); // square it
5163                 GL_Color(1,1,1,1); // no fix factor supported here
5164                 R_Mesh_PrepareVertices_Generic_Arrays(4, r_screenvertex3f, NULL, prev->texcoord2f);
5165                 R_SetupShader_Generic(prev->colortexture[0], false, true, false);
5166                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
5167                 r_refdef.stats[r_stat_bloom_drawpixels] += r_fb.bloomwidth * r_fb.bloomheight;
5168         }
5169         CHECKGLERROR
5170
5171         range = r_bloom_blur.integer * r_fb.bloomwidth / 320;
5172         brighten = r_bloom_brighten.value;
5173         brighten = sqrt(brighten);
5174         if(range >= 1)
5175                 brighten *= (3 * range) / (2 * range - 1); // compensate for the "dot particle"
5176
5177         for (dir = 0;dir < 2;dir++)
5178         {
5179                 prev = cur;
5180                 cur = R_RenderTarget_Get(r_fb.bloomwidth, r_fb.bloomheight, TEXTYPE_UNUSED, false, textype, TEXTYPE_UNUSED, TEXTYPE_UNUSED, TEXTYPE_UNUSED);
5181                 R_Mesh_SetRenderTargets(cur->fbo, NULL, cur->colortexture[0], NULL, NULL, NULL);
5182                 // blend on at multiple vertical offsets to achieve a vertical blur
5183                 // TODO: do offset blends using GLSL
5184                 // TODO instead of changing the texcoords, change the target positions to prevent artifacts at edges
5185                 CHECKGLERROR
5186                 GL_BlendFunc(GL_ONE, GL_ZERO);
5187                 CHECKGLERROR
5188                 R_SetupShader_Generic(prev->colortexture[0], false, true, false);
5189                 CHECKGLERROR
5190                 for (x = -range;x <= range;x++)
5191                 {
5192                         if (!dir){xoffset = 0;yoffset = x;}
5193                         else {xoffset = x;yoffset = 0;}
5194                         xoffset /= (float)prev->texturewidth;
5195                         yoffset /= (float)prev->textureheight;
5196                         // compute a texcoord array with the specified x and y offset
5197                         r_fb.offsettexcoord2f[0] = xoffset+prev->texcoord2f[0];
5198                         r_fb.offsettexcoord2f[1] = yoffset+prev->texcoord2f[1];
5199                         r_fb.offsettexcoord2f[2] = xoffset+prev->texcoord2f[2];
5200                         r_fb.offsettexcoord2f[3] = yoffset+prev->texcoord2f[3];
5201                         r_fb.offsettexcoord2f[4] = xoffset+prev->texcoord2f[4];
5202                         r_fb.offsettexcoord2f[5] = yoffset+prev->texcoord2f[5];
5203                         r_fb.offsettexcoord2f[6] = xoffset+prev->texcoord2f[6];
5204                         r_fb.offsettexcoord2f[7] = yoffset+prev->texcoord2f[7];
5205                         // this r value looks like a 'dot' particle, fading sharply to
5206                         // black at the edges
5207                         // (probably not realistic but looks good enough)
5208                         //r = ((range*range+1)/((float)(x*x+1)))/(range*2+1);
5209                         //r = brighten/(range*2+1);
5210                         r = brighten / (range * 2 + 1);
5211                         if(range >= 1)
5212                                 r *= (1 - x*x/(float)((range+1)*(range+1)));
5213                         if (r <= 0)
5214                                 continue;
5215                         CHECKGLERROR
5216                         GL_Color(r, r, r, 1);
5217                         CHECKGLERROR
5218                         R_Mesh_PrepareVertices_Generic_Arrays(4, r_screenvertex3f, NULL, r_fb.offsettexcoord2f);
5219                         CHECKGLERROR
5220                         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
5221                         r_refdef.stats[r_stat_bloom_drawpixels] += r_fb.bloomwidth * r_fb.bloomheight;
5222                         CHECKGLERROR
5223                         GL_BlendFunc(GL_ONE, GL_ONE);
5224                         CHECKGLERROR
5225                 }
5226         }
5227
5228         // now we have the bloom image, so keep track of it
5229         r_fb.rt_bloom = cur;
5230 }
5231
5232 static qbool R_BlendView_IsTrivial(int viewwidth, int viewheight, int width, int height)
5233 {
5234         // Scaling requested?
5235         if (viewwidth != width || viewheight != height)
5236                 return false;
5237         // Higher bit depth or explicit FBO requested?
5238         if (r_viewfbo.integer)
5239                 return false;
5240         // Non-trivial postprocessing shader permutation?
5241         if (r_fb.bloomwidth
5242         || r_refdef.viewblend[3] > 0
5243         || !vid_gammatables_trivial
5244         || r_glsl_postprocess.integer
5245         || ((!R_Stereo_ColorMasking() && r_glsl_saturation.value != 1)))
5246                 return false;
5247         // Other reasons for a non-trivial default postprocessing shader?
5248         // (See R_CompileShader_CheckStaticParms but only those relevant for MODE_POSTPROCESS in shader_glsl.h)
5249         // Skip: if (r_glsl_saturation_redcompensate.integer) (already covered by saturation above).
5250         // Skip: if (r_glsl_postprocess.integer) (already covered by r_glsl_postprocess above).
5251         // Skip: if (r_glsl_postprocess_uservec1_enable.integer) (already covered by r_glsl_postprocessing above).
5252         if (r_fxaa.integer)
5253                 return false;
5254         if (r_colorfringe.value)
5255                 return false;
5256         return true;
5257 }
5258
5259 static void R_MotionBlurView(int viewfbo, rtexture_t *viewdepthtexture, rtexture_t *viewcolortexture, int viewx, int viewy, int viewwidth, int viewheight)
5260 {
5261         R_EntityMatrix(&identitymatrix);
5262
5263         if(r_refdef.view.ismain && !R_Stereo_Active() && (r_motionblur.value > 0 || (r_damageblur.value > 0 && cl.cshifts[CSHIFT_DAMAGE].percent != 0)) && r_fb.ghosttexture)
5264         {
5265                 // declare variables
5266                 float blur_factor, blur_mouseaccel, blur_velocity;
5267                 static float blur_average;
5268                 static vec3_t blur_oldangles; // used to see how quickly the mouse is moving
5269
5270                 // set a goal for the factoring
5271                 blur_velocity = bound(0, (VectorLength(cl.movement_velocity) - r_motionblur_velocityfactor_minspeed.value)
5272                         / max(1, r_motionblur_velocityfactor_maxspeed.value - r_motionblur_velocityfactor_minspeed.value), 1);
5273                 blur_mouseaccel = bound(0, ((fabs(VectorLength(cl.viewangles) - VectorLength(blur_oldangles)) * 10) - r_motionblur_mousefactor_minspeed.value)
5274                         / max(1, r_motionblur_mousefactor_maxspeed.value - r_motionblur_mousefactor_minspeed.value), 1);
5275                 blur_factor = ((blur_velocity * r_motionblur_velocityfactor.value)
5276                         + (blur_mouseaccel * r_motionblur_mousefactor.value));
5277
5278                 // from the goal, pick an averaged value between goal and last value
5279                 cl.motionbluralpha = bound(0, (cl.time - cl.oldtime) / max(0.001, r_motionblur_averaging.value), 1);
5280                 blur_average = blur_average * (1 - cl.motionbluralpha) + blur_factor * cl.motionbluralpha;
5281
5282                 // enforce minimum amount of blur
5283                 blur_factor = blur_average * (1 - r_motionblur_minblur.value) + r_motionblur_minblur.value;
5284
5285                 //Con_Printf("motionblur: direct factor: %f, averaged factor: %f, velocity: %f, mouse accel: %f \n", blur_factor, blur_average, blur_velocity, blur_mouseaccel);
5286
5287                 // calculate values into a standard alpha
5288                 cl.motionbluralpha = 1 - exp(-
5289                                 (
5290                                         (r_motionblur.value * blur_factor / 80)
5291                                         +
5292                                         (r_damageblur.value * (cl.cshifts[CSHIFT_DAMAGE].percent / 1600))
5293                                 )
5294                                 /
5295                                 max(0.0001, cl.time - cl.oldtime) // fps independent
5296                                 );
5297
5298                 // randomization for the blur value to combat persistent ghosting
5299                 cl.motionbluralpha *= lhrandom(1 - r_motionblur_randomize.value, 1 + r_motionblur_randomize.value);
5300                 cl.motionbluralpha = bound(0, cl.motionbluralpha, r_motionblur_maxblur.value);
5301
5302                 // apply the blur on top of the current view
5303                 R_ResetViewRendering2D(viewfbo, viewdepthtexture, viewcolortexture, viewx, viewy, viewwidth, viewheight);
5304                 if (cl.motionbluralpha > 0 && !r_refdef.envmap && r_fb.ghosttexture_valid)
5305                 {
5306                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
5307                         GL_Color(1, 1, 1, cl.motionbluralpha);
5308                         R_CalcTexCoordsForView(0, 0, viewwidth, viewheight, viewwidth, viewheight, r_fb.ghosttexcoord2f);
5309                         R_Mesh_PrepareVertices_Generic_Arrays(4, r_screenvertex3f, NULL, r_fb.ghosttexcoord2f);
5310                         R_SetupShader_Generic(r_fb.ghosttexture, false, true, true);
5311                         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
5312                         r_refdef.stats[r_stat_bloom_drawpixels] += viewwidth * viewheight;
5313                 }
5314
5315                 // updates old view angles for next pass
5316                 VectorCopy(cl.viewangles, blur_oldangles);
5317
5318                 // copy view into the ghost texture
5319                 R_Mesh_CopyToTexture(r_fb.ghosttexture, 0, 0, viewx, viewy, viewwidth, viewheight);
5320                 r_refdef.stats[r_stat_bloom_copypixels] += viewwidth * viewheight;
5321                 r_fb.ghosttexture_valid = true;
5322         }
5323 }
5324
5325 static void R_BlendView(rtexture_t *viewcolortexture, int fbo, rtexture_t *depthtexture, rtexture_t *colortexture, int x, int y, int width, int height)
5326 {
5327         uint64_t permutation;
5328         float uservecs[4][4];
5329         rtexture_t *viewtexture;
5330         rtexture_t *bloomtexture;
5331
5332         R_EntityMatrix(&identitymatrix);
5333
5334         if (r_fb.bloomwidth)
5335         {
5336                 // make the bloom texture
5337                 R_Bloom_MakeTexture();
5338         }
5339
5340 #if _MSC_VER >= 1400
5341 #define sscanf sscanf_s
5342 #endif
5343         memset(uservecs, 0, sizeof(uservecs));
5344         if (r_glsl_postprocess_uservec1_enable.integer)
5345                 sscanf(r_glsl_postprocess_uservec1.string, "%f %f %f %f", &uservecs[0][0], &uservecs[0][1], &uservecs[0][2], &uservecs[0][3]);
5346         if (r_glsl_postprocess_uservec2_enable.integer)
5347                 sscanf(r_glsl_postprocess_uservec2.string, "%f %f %f %f", &uservecs[1][0], &uservecs[1][1], &uservecs[1][2], &uservecs[1][3]);
5348         if (r_glsl_postprocess_uservec3_enable.integer)
5349                 sscanf(r_glsl_postprocess_uservec3.string, "%f %f %f %f", &uservecs[2][0], &uservecs[2][1], &uservecs[2][2], &uservecs[2][3]);
5350         if (r_glsl_postprocess_uservec4_enable.integer)
5351                 sscanf(r_glsl_postprocess_uservec4.string, "%f %f %f %f", &uservecs[3][0], &uservecs[3][1], &uservecs[3][2], &uservecs[3][3]);
5352
5353         // render to the screen fbo
5354         R_ResetViewRendering2D(fbo, depthtexture, colortexture, x, y, width, height);
5355         GL_Color(1, 1, 1, 1);
5356         GL_BlendFunc(GL_ONE, GL_ZERO);
5357
5358         viewtexture = viewcolortexture;
5359         bloomtexture = r_fb.rt_bloom ? r_fb.rt_bloom->colortexture[0] : NULL;
5360
5361         if (r_rendertarget_debug.integer >= 0)
5362         {
5363                 r_rendertarget_t *rt = (r_rendertarget_t *)Mem_ExpandableArray_RecordAtIndex(&r_fb.rendertargets, r_rendertarget_debug.integer);
5364                 if (rt && rt->colortexture[0])
5365                 {
5366                         viewtexture = rt->colortexture[0];
5367                         bloomtexture = NULL;
5368                 }
5369         }
5370
5371         R_Mesh_PrepareVertices_Mesh_Arrays(4, r_screenvertex3f, NULL, NULL, NULL, NULL, r_fb.rt_screen->texcoord2f, bloomtexture ? r_fb.rt_bloom->texcoord2f : NULL);
5372         switch(vid.renderpath)
5373         {
5374         case RENDERPATH_GL32:
5375         case RENDERPATH_GLES2:
5376                 permutation =
5377                         (r_fb.bloomwidth ? SHADERPERMUTATION_BLOOM : 0)
5378                         | (r_refdef.viewblend[3] > 0 ? SHADERPERMUTATION_VIEWTINT : 0)
5379                         | (!vid_gammatables_trivial ? SHADERPERMUTATION_GAMMARAMPS : 0)
5380                         | (r_glsl_postprocess.integer ? SHADERPERMUTATION_POSTPROCESSING : 0)
5381                         | ((!R_Stereo_ColorMasking() && r_glsl_saturation.value != 1) ? SHADERPERMUTATION_SATURATION : 0);
5382                 R_SetupShader_SetPermutationGLSL(SHADERMODE_POSTPROCESS, permutation);
5383                 if (r_glsl_permutation->tex_Texture_First           >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_First     , viewtexture);
5384                 if (r_glsl_permutation->tex_Texture_Second          >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Second    , bloomtexture);
5385                 if (r_glsl_permutation->tex_Texture_GammaRamps      >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_GammaRamps, r_texture_gammaramps       );
5386                 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]);
5387                 if (r_glsl_permutation->loc_PixelSize               >= 0) qglUniform2f(r_glsl_permutation->loc_PixelSize         , 1.0/r_fb.screentexturewidth, 1.0/r_fb.screentextureheight);
5388                 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]);
5389                 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]);
5390                 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]);
5391                 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]);
5392                 if (r_glsl_permutation->loc_Saturation              >= 0) qglUniform1f(r_glsl_permutation->loc_Saturation        , r_glsl_saturation.value);
5393                 if (r_glsl_permutation->loc_PixelToScreenTexCoord   >= 0) qglUniform2f(r_glsl_permutation->loc_PixelToScreenTexCoord, 1.0f/r_fb.screentexturewidth, 1.0f/r_fb.screentextureheight);
5394                 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);
5395                 if (r_glsl_permutation->loc_ColorFringe             >= 0) qglUniform1f(r_glsl_permutation->loc_ColorFringe, r_colorfringe.value );
5396                 break;
5397         }
5398         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
5399         r_refdef.stats[r_stat_bloom_drawpixels] += r_refdef.view.width * r_refdef.view.height;
5400 }
5401
5402 matrix4x4_t r_waterscrollmatrix;
5403
5404 void R_UpdateFog(void)
5405 {
5406         // Nehahra fog
5407         if (gamemode == GAME_NEHAHRA)
5408         {
5409                 if (gl_fogenable.integer)
5410                 {
5411                         r_refdef.oldgl_fogenable = true;
5412                         r_refdef.fog_density = gl_fogdensity.value;
5413                         r_refdef.fog_red = gl_fogred.value;
5414                         r_refdef.fog_green = gl_foggreen.value;
5415                         r_refdef.fog_blue = gl_fogblue.value;
5416                         r_refdef.fog_alpha = 1;
5417                         r_refdef.fog_start = 0;
5418                         r_refdef.fog_end = gl_skyclip.value;
5419                         r_refdef.fog_height = 1<<30;
5420                         r_refdef.fog_fadedepth = 128;
5421                 }
5422                 else if (r_refdef.oldgl_fogenable)
5423                 {
5424                         r_refdef.oldgl_fogenable = false;
5425                         r_refdef.fog_density = 0;
5426                         r_refdef.fog_red = 0;
5427                         r_refdef.fog_green = 0;
5428                         r_refdef.fog_blue = 0;
5429                         r_refdef.fog_alpha = 0;
5430                         r_refdef.fog_start = 0;
5431                         r_refdef.fog_end = 0;
5432                         r_refdef.fog_height = 1<<30;
5433                         r_refdef.fog_fadedepth = 128;
5434                 }
5435         }
5436
5437         // fog parms
5438         r_refdef.fog_alpha = bound(0, r_refdef.fog_alpha, 1);
5439         r_refdef.fog_start = max(0, r_refdef.fog_start);
5440         r_refdef.fog_end = max(r_refdef.fog_start + 0.01, r_refdef.fog_end);
5441
5442         if (r_refdef.fog_density && r_drawfog.integer)
5443         {
5444                 r_refdef.fogenabled = true;
5445                 // this is the point where the fog reaches 0.9986 alpha, which we
5446                 // consider a good enough cutoff point for the texture
5447                 // (0.9986 * 256 == 255.6)
5448                 if (r_fog_exp2.integer)
5449                         r_refdef.fogrange = 32 / (r_refdef.fog_density * r_refdef.fog_density) + r_refdef.fog_start;
5450                 else
5451                         r_refdef.fogrange = 2048 / r_refdef.fog_density + r_refdef.fog_start;
5452                 r_refdef.fogrange = bound(r_refdef.fog_start, r_refdef.fogrange, r_refdef.fog_end);
5453                 r_refdef.fograngerecip = 1.0f / r_refdef.fogrange;
5454                 r_refdef.fogmasktabledistmultiplier = FOGMASKTABLEWIDTH * r_refdef.fograngerecip;
5455                 if (strcmp(r_refdef.fogheighttexturename, r_refdef.fog_height_texturename))
5456                         R_BuildFogHeightTexture();
5457                 // fog color was already set
5458                 // update the fog texture
5459                 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)
5460                         R_BuildFogTexture();
5461                 r_refdef.fog_height_texcoordscale = 1.0f / max(0.125f, r_refdef.fog_fadedepth);
5462                 r_refdef.fog_height_tablescale = r_refdef.fog_height_tablesize * r_refdef.fog_height_texcoordscale;
5463         }
5464         else
5465                 r_refdef.fogenabled = false;
5466
5467         // fog color
5468         if (r_refdef.fog_density)
5469         {
5470                 r_refdef.fogcolor[0] = r_refdef.fog_red;
5471                 r_refdef.fogcolor[1] = r_refdef.fog_green;
5472                 r_refdef.fogcolor[2] = r_refdef.fog_blue;
5473
5474                 Vector4Set(r_refdef.fogplane, 0, 0, 1, -r_refdef.fog_height);
5475                 r_refdef.fogplaneviewdist = DotProduct(r_refdef.fogplane, r_refdef.view.origin) + r_refdef.fogplane[3];
5476                 r_refdef.fogplaneviewabove = r_refdef.fogplaneviewdist >= 0;
5477                 r_refdef.fogheightfade = -0.5f/max(0.125f, r_refdef.fog_fadedepth);
5478
5479                 {
5480                         vec3_t fogvec;
5481                         VectorCopy(r_refdef.fogcolor, fogvec);
5482                         //   color.rgb *= ContrastBoost * SceneBrightness;
5483                         VectorScale(fogvec, r_refdef.view.colorscale, fogvec);
5484                         r_refdef.fogcolor[0] = bound(0.0f, fogvec[0], 1.0f);
5485                         r_refdef.fogcolor[1] = bound(0.0f, fogvec[1], 1.0f);
5486                         r_refdef.fogcolor[2] = bound(0.0f, fogvec[2], 1.0f);
5487                 }
5488         }
5489 }
5490
5491 void R_UpdateVariables(void)
5492 {
5493         R_Textures_Frame();
5494
5495         r_refdef.scene.ambientintensity = r_ambient.value * (1.0f / 64.0f);
5496
5497         r_refdef.farclip = r_farclip_base.value;
5498         if (r_refdef.scene.worldmodel)
5499                 r_refdef.farclip += r_refdef.scene.worldmodel->radius * r_farclip_world.value * 2;
5500         r_refdef.nearclip = bound (0.001f, r_nearclip.value, r_refdef.farclip - 1.0f);
5501
5502         if (r_shadow_frontsidecasting.integer < 0 || r_shadow_frontsidecasting.integer > 1)
5503                 Cvar_SetValueQuick(&r_shadow_frontsidecasting, 1);
5504         r_refdef.polygonfactor = 0;
5505         r_refdef.polygonoffset = 0;
5506
5507         r_refdef.scene.rtworld = r_shadow_realtime_world.integer != 0;
5508         r_refdef.scene.rtworldshadows = r_shadow_realtime_world_shadows.integer && vid.stencil;
5509         r_refdef.scene.rtdlight = r_shadow_realtime_dlight.integer != 0 && !gl_flashblend.integer && r_dynamic.integer;
5510         r_refdef.scene.rtdlightshadows = r_refdef.scene.rtdlight && r_shadow_realtime_dlight_shadows.integer && vid.stencil;
5511         r_refdef.scene.lightmapintensity = r_refdef.scene.rtworld ? r_shadow_realtime_world_lightmaps.value : 1;
5512         if (r_refdef.scene.worldmodel)
5513         {
5514                 r_refdef.scene.lightmapintensity *= r_refdef.scene.worldmodel->lightmapscale;
5515
5516                 // Apply the default lightstyle to the lightmap even on q3bsp
5517                 if (cl.worldmodel && cl.worldmodel->type == mod_brushq3) {
5518                         r_refdef.scene.lightmapintensity *= r_refdef.scene.rtlightstylevalue[0];
5519                 }
5520         }
5521         if (r_showsurfaces.integer)
5522         {
5523                 r_refdef.scene.rtworld = false;
5524                 r_refdef.scene.rtworldshadows = false;
5525                 r_refdef.scene.rtdlight = false;
5526                 r_refdef.scene.rtdlightshadows = false;
5527                 r_refdef.scene.lightmapintensity = 0;
5528         }
5529
5530         r_gpuskeletal = false;
5531         switch(vid.renderpath)
5532         {
5533         case RENDERPATH_GL32:
5534                 r_gpuskeletal = r_glsl_skeletal.integer && !r_showsurfaces.integer;
5535         case RENDERPATH_GLES2:
5536                 if(!vid_gammatables_trivial)
5537                 {
5538                         if(!r_texture_gammaramps || vid_gammatables_serial != r_texture_gammaramps_serial)
5539                         {
5540                                 // build GLSL gamma texture
5541 #define RAMPWIDTH 256
5542                                 unsigned short ramp[RAMPWIDTH * 3];
5543                                 unsigned char rampbgr[RAMPWIDTH][4];
5544                                 int i;
5545
5546                                 r_texture_gammaramps_serial = vid_gammatables_serial;
5547
5548                                 VID_BuildGammaTables(&ramp[0], RAMPWIDTH);
5549                                 for(i = 0; i < RAMPWIDTH; ++i)
5550                                 {
5551                                         rampbgr[i][0] = (unsigned char) (ramp[i + 2 * RAMPWIDTH] * 255.0 / 65535.0 + 0.5);
5552                                         rampbgr[i][1] = (unsigned char) (ramp[i + RAMPWIDTH] * 255.0 / 65535.0 + 0.5);
5553                                         rampbgr[i][2] = (unsigned char) (ramp[i] * 255.0 / 65535.0 + 0.5);
5554                                         rampbgr[i][3] = 0;
5555                                 }
5556                                 if (r_texture_gammaramps)
5557                                 {
5558                                         R_UpdateTexture(r_texture_gammaramps, &rampbgr[0][0], 0, 0, 0, RAMPWIDTH, 1, 1, 0);
5559                                 }
5560                                 else
5561                                 {
5562                                         r_texture_gammaramps = R_LoadTexture2D(r_main_texturepool, "gammaramps", RAMPWIDTH, 1, &rampbgr[0][0], TEXTYPE_BGRA, TEXF_FORCELINEAR | TEXF_CLAMP | TEXF_PERSISTENT, -1, NULL);
5563                                 }
5564                         }
5565                 }
5566                 else
5567                 {
5568                         // remove GLSL gamma texture
5569                 }
5570                 break;
5571         }
5572 }
5573
5574 static r_refdef_scene_type_t r_currentscenetype = RST_CLIENT;
5575 static r_refdef_scene_t r_scenes_store[ RST_COUNT ];
5576 /*
5577 ================
5578 R_SelectScene
5579 ================
5580 */
5581 void R_SelectScene( r_refdef_scene_type_t scenetype ) {
5582         if( scenetype != r_currentscenetype ) {
5583                 // store the old scenetype
5584                 r_scenes_store[ r_currentscenetype ] = r_refdef.scene;
5585                 r_currentscenetype = scenetype;
5586                 // move in the new scene
5587                 r_refdef.scene = r_scenes_store[ r_currentscenetype ];
5588         }
5589 }
5590
5591 /*
5592 ================
5593 R_GetScenePointer
5594 ================
5595 */
5596 r_refdef_scene_t * R_GetScenePointer( r_refdef_scene_type_t scenetype )
5597 {
5598         // of course, we could also add a qbool that provides a lock state and a ReleaseScenePointer function..
5599         if( scenetype == r_currentscenetype ) {
5600                 return &r_refdef.scene;
5601         } else {
5602                 return &r_scenes_store[ scenetype ];
5603         }
5604 }
5605
5606 static int R_SortEntities_Compare(const void *ap, const void *bp)
5607 {
5608         const entity_render_t *a = *(const entity_render_t **)ap;
5609         const entity_render_t *b = *(const entity_render_t **)bp;
5610
5611         // 1. compare model
5612         if(a->model < b->model)
5613                 return -1;
5614         if(a->model > b->model)
5615                 return +1;
5616
5617         // 2. compare skin
5618         // TODO possibly calculate the REAL skinnum here first using
5619         // skinscenes?
5620         if(a->skinnum < b->skinnum)
5621                 return -1;
5622         if(a->skinnum > b->skinnum)
5623                 return +1;
5624
5625         // everything we compared is equal
5626         return 0;
5627 }
5628 static void R_SortEntities(void)
5629 {
5630         // below or equal 2 ents, sorting never gains anything
5631         if(r_refdef.scene.numentities <= 2)
5632                 return;
5633         // sort
5634         qsort(r_refdef.scene.entities, r_refdef.scene.numentities, sizeof(*r_refdef.scene.entities), R_SortEntities_Compare);
5635 }
5636
5637 /*
5638 ================
5639 R_RenderView
5640 ================
5641 */
5642 extern cvar_t r_shadow_bouncegrid;
5643 extern cvar_t v_isometric;
5644 extern void V_MakeViewIsometric(void);
5645 void R_RenderView(int fbo, rtexture_t *depthtexture, rtexture_t *colortexture, int x, int y, int width, int height)
5646 {
5647         matrix4x4_t originalmatrix = r_refdef.view.matrix, offsetmatrix;
5648         int viewfbo = 0;
5649         rtexture_t *viewdepthtexture = NULL;
5650         rtexture_t *viewcolortexture = NULL;
5651         int viewx = r_refdef.view.x, viewy = r_refdef.view.y, viewwidth = r_refdef.view.width, viewheight = r_refdef.view.height;
5652         qbool skipblend;
5653
5654         // finish any 2D rendering that was queued
5655         DrawQ_Finish();
5656
5657         if (r_timereport_active)
5658                 R_TimeReport("start");
5659         r_textureframe++; // used only by R_GetCurrentTexture
5660         rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveModelEntity
5661
5662         if(R_CompileShader_CheckStaticParms())
5663                 R_GLSL_Restart_f(cmd_local);
5664
5665         if (!r_drawentities.integer)
5666                 r_refdef.scene.numentities = 0;
5667         else if (r_sortentities.integer)
5668                 R_SortEntities();
5669
5670         R_AnimCache_ClearCache();
5671
5672         /* adjust for stereo display */
5673         if(R_Stereo_Active())
5674         {
5675                 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);
5676                 Matrix4x4_Concat(&r_refdef.view.matrix, &originalmatrix, &offsetmatrix);
5677         }
5678
5679         if (r_refdef.view.isoverlay)
5680         {
5681                 // TODO: FIXME: move this into its own backend function maybe? [2/5/2008 Andreas]
5682                 R_Mesh_SetRenderTargets(0, NULL, NULL, NULL, NULL, NULL);
5683                 GL_Clear(GL_DEPTH_BUFFER_BIT, NULL, 1.0f, 0);
5684                 R_TimeReport("depthclear");
5685
5686                 r_refdef.view.showdebug = false;
5687
5688                 r_fb.water.enabled = false;
5689                 r_fb.water.numwaterplanes = 0;
5690
5691                 R_RenderScene(0, NULL, NULL, r_refdef.view.x, r_refdef.view.y, r_refdef.view.width, r_refdef.view.height);
5692
5693                 r_refdef.view.matrix = originalmatrix;
5694
5695                 CHECKGLERROR
5696                 return;
5697         }
5698
5699         if (!r_refdef.scene.entities || r_refdef.view.width * r_refdef.view.height == 0 || !r_renderview.integer || cl_videoplaying/* || !r_refdef.scene.worldmodel*/)
5700         {
5701                 r_refdef.view.matrix = originalmatrix;
5702                 return;
5703         }
5704
5705         r_refdef.view.usevieworiginculling = !r_trippy.value && r_refdef.view.useperspective;
5706         if (v_isometric.integer && r_refdef.view.ismain)
5707                 V_MakeViewIsometric();
5708
5709         r_refdef.view.colorscale = r_hdr_scenebrightness.value * r_hdr_irisadaptation_value.value;
5710
5711         if(vid_sRGB.integer && vid_sRGB_fallback.integer && !vid.sRGB3D)
5712                 // in sRGB fallback, behave similar to true sRGB: convert this
5713                 // value from linear to sRGB
5714                 r_refdef.view.colorscale = Image_sRGBFloatFromLinearFloat(r_refdef.view.colorscale);
5715
5716         R_RenderView_UpdateViewVectors();
5717
5718         R_Shadow_UpdateWorldLightSelection();
5719
5720         // this will set up r_fb.rt_screen
5721         R_Bloom_StartFrame();
5722
5723         // apply bloom brightness offset
5724         if(r_fb.rt_bloom)
5725                 r_refdef.view.colorscale *= r_bloom_scenebrightness.value;
5726
5727         skipblend = R_BlendView_IsTrivial(r_fb.rt_screen->texturewidth, r_fb.rt_screen->textureheight, width, height);
5728         if (skipblend)
5729         {
5730                 // Render to the screen right away.
5731                 viewfbo = fbo;
5732                 viewdepthtexture = depthtexture;
5733                 viewcolortexture = colortexture;
5734                 viewx = x;
5735                 viewy = y;
5736                 viewwidth = width;
5737                 viewheight = height;
5738         }
5739         else if (r_fb.rt_screen)
5740         {
5741                 // R_Bloom_StartFrame probably set up an fbo for us to render into, it will be rendered to the window later in R_BlendView
5742                 viewfbo = r_fb.rt_screen->fbo;
5743                 viewdepthtexture = r_fb.rt_screen->depthtexture;
5744                 viewcolortexture = r_fb.rt_screen->colortexture[0];
5745                 viewx = 0;
5746                 viewy = 0;
5747                 viewwidth = r_fb.rt_screen->texturewidth;
5748                 viewheight = r_fb.rt_screen->textureheight;
5749         }
5750
5751         R_Water_StartFrame(viewwidth, viewheight);
5752
5753         CHECKGLERROR
5754         if (r_timereport_active)
5755                 R_TimeReport("viewsetup");
5756
5757         R_ResetViewRendering3D(viewfbo, viewdepthtexture, viewcolortexture, viewx, viewy, viewwidth, viewheight);
5758
5759         // clear the whole fbo every frame - otherwise the driver will consider
5760         // it to be an inter-frame texture and stall in multi-gpu configurations
5761         if (r_fb.rt_screen)
5762                 GL_ScissorTest(false);
5763         R_ClearScreen(r_refdef.fogenabled);
5764         if (r_timereport_active)
5765                 R_TimeReport("viewclear");
5766
5767         r_refdef.view.clear = true;
5768
5769         r_refdef.view.showdebug = true;
5770
5771         R_View_Update(NULL);
5772         if (r_timereport_active)
5773                 R_TimeReport("visibility");
5774
5775         R_AnimCache_CacheVisibleEntities();
5776         if (r_timereport_active)
5777                 R_TimeReport("animcache");
5778
5779         R_Shadow_UpdateBounceGridTexture();
5780         // R_Shadow_UpdateBounceGridTexture called R_TimeReport a few times internally, so we don't need to do that here.
5781
5782         r_fb.water.numwaterplanes = 0;
5783         if (r_fb.water.enabled)
5784                 R_RenderWaterPlanes(viewfbo, viewdepthtexture, viewcolortexture, viewx, viewy, viewwidth, viewheight);
5785
5786         // for the actual view render we use scissoring a fair amount, so scissor
5787         // test needs to be on
5788         if (r_fb.rt_screen)
5789                 GL_ScissorTest(true);
5790         GL_Scissor(r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height);
5791         R_RenderScene(viewfbo, viewdepthtexture, viewcolortexture, viewx, viewy, viewwidth, viewheight);
5792         r_fb.water.numwaterplanes = 0;
5793
5794         // postprocess uses textures that are not aligned with the viewport we're rendering, so no scissoring
5795         GL_ScissorTest(false);
5796
5797         R_MotionBlurView(viewfbo, viewdepthtexture, viewcolortexture, viewx, viewy, viewwidth, viewheight);
5798         if (!skipblend)
5799                 R_BlendView(viewcolortexture, fbo, depthtexture, colortexture, x, y, width, height);
5800         if (r_timereport_active)
5801                 R_TimeReport("blendview");
5802
5803         r_refdef.view.matrix = originalmatrix;
5804
5805         CHECKGLERROR
5806
5807         // go back to 2d rendering
5808         DrawQ_Start();
5809 }
5810
5811 void R_RenderWaterPlanes(int viewfbo, rtexture_t *viewdepthtexture, rtexture_t *viewcolortexture, int viewx, int viewy, int viewwidth, int viewheight)
5812 {
5813         if (cl.csqc_vidvars.drawworld && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->DrawAddWaterPlanes)
5814         {
5815                 r_refdef.scene.worldmodel->DrawAddWaterPlanes(r_refdef.scene.worldentity);
5816                 if (r_timereport_active)
5817                         R_TimeReport("waterworld");
5818         }
5819
5820         // don't let sound skip if going slow
5821         if (r_refdef.scene.extraupdate)
5822                 S_ExtraUpdate ();
5823
5824         R_DrawModelsAddWaterPlanes();
5825         if (r_timereport_active)
5826                 R_TimeReport("watermodels");
5827
5828         if (r_fb.water.numwaterplanes)
5829         {
5830                 R_Water_ProcessPlanes(viewfbo, viewdepthtexture, viewcolortexture, viewx, viewy, viewwidth, viewheight);
5831                 if (r_timereport_active)
5832                         R_TimeReport("waterscenes");
5833         }
5834 }
5835
5836 extern cvar_t cl_locs_show;
5837 static void R_DrawLocs(void);
5838 static void R_DrawEntityBBoxes(prvm_prog_t *prog);
5839 static void R_DrawModelDecals(void);
5840 extern qbool r_shadow_usingdeferredprepass;
5841 extern int r_shadow_shadowmapatlas_modelshadows_size;
5842 void R_RenderScene(int viewfbo, rtexture_t *viewdepthtexture, rtexture_t *viewcolortexture, int viewx, int viewy, int viewwidth, int viewheight)
5843 {
5844         qbool shadowmapping = false;
5845
5846         if (r_timereport_active)
5847                 R_TimeReport("beginscene");
5848
5849         r_refdef.stats[r_stat_renders]++;
5850
5851         R_UpdateFog();
5852
5853         // don't let sound skip if going slow
5854         if (r_refdef.scene.extraupdate)
5855                 S_ExtraUpdate ();
5856
5857         R_MeshQueue_BeginScene();
5858
5859         R_SkyStartFrame();
5860
5861         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);
5862
5863         if (r_timereport_active)
5864                 R_TimeReport("skystartframe");
5865
5866         if (cl.csqc_vidvars.drawworld)
5867         {
5868                 // don't let sound skip if going slow
5869                 if (r_refdef.scene.extraupdate)
5870                         S_ExtraUpdate ();
5871
5872                 if (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->DrawSky)
5873                 {
5874                         r_refdef.scene.worldmodel->DrawSky(r_refdef.scene.worldentity);
5875                         if (r_timereport_active)
5876                                 R_TimeReport("worldsky");
5877                 }
5878
5879                 if (R_DrawBrushModelsSky() && r_timereport_active)
5880                         R_TimeReport("bmodelsky");
5881
5882                 if (skyrendermasked && skyrenderlater)
5883                 {
5884                         // we have to force off the water clipping plane while rendering sky
5885                         R_SetupView(false, viewfbo, viewdepthtexture, viewcolortexture, viewx, viewy, viewwidth, viewheight);
5886                         R_Sky();
5887                         R_SetupView(true, viewfbo, viewdepthtexture, viewcolortexture, viewx, viewy, viewwidth, viewheight);
5888                         if (r_timereport_active)
5889                                 R_TimeReport("sky");
5890                 }
5891         }
5892
5893         // save the framebuffer info for R_Shadow_RenderMode_Reset during this view render
5894         r_shadow_viewfbo = viewfbo;
5895         r_shadow_viewdepthtexture = viewdepthtexture;
5896         r_shadow_viewcolortexture = viewcolortexture;
5897         r_shadow_viewx = viewx;
5898         r_shadow_viewy = viewy;
5899         r_shadow_viewwidth = viewwidth;
5900         r_shadow_viewheight = viewheight;
5901
5902         R_Shadow_PrepareModelShadows();
5903         R_Shadow_PrepareLights();
5904         if (r_timereport_active)
5905                 R_TimeReport("preparelights");
5906
5907         // render all the shadowmaps that will be used for this view
5908         shadowmapping = R_Shadow_ShadowMappingEnabled();
5909         if (shadowmapping || r_shadow_shadowmapatlas_modelshadows_size)
5910         {
5911                 R_Shadow_DrawShadowMaps();
5912                 if (r_timereport_active)
5913                         R_TimeReport("shadowmaps");
5914         }
5915
5916         // render prepass deferred lighting if r_shadow_deferred is on, this produces light buffers that will be sampled in forward pass
5917         if (r_shadow_usingdeferredprepass)
5918                 R_Shadow_DrawPrepass();
5919
5920         // now we begin the forward pass of the view render
5921         if (r_depthfirst.integer >= 1 && cl.csqc_vidvars.drawworld && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->DrawDepth)
5922         {
5923                 r_refdef.scene.worldmodel->DrawDepth(r_refdef.scene.worldentity);
5924                 if (r_timereport_active)
5925                         R_TimeReport("worlddepth");
5926         }
5927         if (r_depthfirst.integer >= 2)
5928         {
5929                 R_DrawModelsDepth();
5930                 if (r_timereport_active)
5931                         R_TimeReport("modeldepth");
5932         }
5933
5934         if (cl.csqc_vidvars.drawworld && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->Draw)
5935         {
5936                 r_refdef.scene.worldmodel->Draw(r_refdef.scene.worldentity);
5937                 if (r_timereport_active)
5938                         R_TimeReport("world");
5939         }
5940
5941         // don't let sound skip if going slow
5942         if (r_refdef.scene.extraupdate)
5943                 S_ExtraUpdate ();
5944
5945         R_DrawModels();
5946         if (r_timereport_active)
5947                 R_TimeReport("models");
5948
5949         // don't let sound skip if going slow
5950         if (r_refdef.scene.extraupdate)
5951                 S_ExtraUpdate ();
5952
5953         if (!r_shadow_usingdeferredprepass)
5954         {
5955                 R_Shadow_DrawLights();
5956                 if (r_timereport_active)
5957                         R_TimeReport("rtlights");
5958         }
5959
5960         // don't let sound skip if going slow
5961         if (r_refdef.scene.extraupdate)
5962                 S_ExtraUpdate ();
5963
5964         if (cl.csqc_vidvars.drawworld)
5965         {
5966                 R_DrawModelDecals();
5967                 if (r_timereport_active)
5968                         R_TimeReport("modeldecals");
5969
5970                 R_DrawParticles();
5971                 if (r_timereport_active)
5972                         R_TimeReport("particles");
5973
5974                 R_DrawExplosions();
5975                 if (r_timereport_active)
5976                         R_TimeReport("explosions");
5977         }
5978
5979         if (r_refdef.view.showdebug)
5980         {
5981                 if (cl_locs_show.integer)
5982                 {
5983                         R_DrawLocs();
5984                         if (r_timereport_active)
5985                                 R_TimeReport("showlocs");
5986                 }
5987
5988                 if (r_drawportals.integer)
5989                 {
5990                         R_DrawPortals();
5991                         if (r_timereport_active)
5992                                 R_TimeReport("portals");
5993                 }
5994
5995                 if (r_showbboxes_client.value > 0)
5996                 {
5997                         R_DrawEntityBBoxes(CLVM_prog);
5998                         if (r_timereport_active)
5999                                 R_TimeReport("clbboxes");
6000                 }
6001                 if (r_showbboxes.value > 0)
6002                 {
6003                         R_DrawEntityBBoxes(SVVM_prog);
6004                         if (r_timereport_active)
6005                                 R_TimeReport("svbboxes");
6006                 }
6007         }
6008
6009         if (r_transparent.integer)
6010         {
6011                 R_MeshQueue_RenderTransparent();
6012                 if (r_timereport_active)
6013                         R_TimeReport("drawtrans");
6014         }
6015
6016         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))
6017         {
6018                 r_refdef.scene.worldmodel->DrawDebug(r_refdef.scene.worldentity);
6019                 if (r_timereport_active)
6020                         R_TimeReport("worlddebug");
6021                 R_DrawModelsDebug();
6022                 if (r_timereport_active)
6023                         R_TimeReport("modeldebug");
6024         }
6025
6026         if (cl.csqc_vidvars.drawworld)
6027         {
6028                 R_Shadow_DrawCoronas();
6029                 if (r_timereport_active)
6030                         R_TimeReport("coronas");
6031         }
6032
6033         // don't let sound skip if going slow
6034         if (r_refdef.scene.extraupdate)
6035                 S_ExtraUpdate ();
6036 }
6037
6038 static const unsigned short bboxelements[36] =
6039 {
6040         5, 1, 3, 5, 3, 7,
6041         6, 2, 0, 6, 0, 4,
6042         7, 3, 2, 7, 2, 6,
6043         4, 0, 1, 4, 1, 5,
6044         4, 5, 7, 4, 7, 6,
6045         1, 0, 2, 1, 2, 3,
6046 };
6047
6048 #define BBOXEDGES 13
6049 static const float bboxedges[BBOXEDGES][6] =
6050 {
6051         // whole box
6052         { 0, 0, 0, 1, 1, 1 },
6053         // bottom edges
6054         { 0, 0, 0, 0, 1, 0 },
6055         { 0, 0, 0, 1, 0, 0 },
6056         { 0, 1, 0, 1, 1, 0 },
6057         { 1, 0, 0, 1, 1, 0 },
6058         // top edges
6059         { 0, 0, 1, 0, 1, 1 },
6060         { 0, 0, 1, 1, 0, 1 },
6061         { 0, 1, 1, 1, 1, 1 },
6062         { 1, 0, 1, 1, 1, 1 },
6063         // vertical edges
6064         { 0, 0, 0, 0, 0, 1 },
6065         { 1, 0, 0, 1, 0, 1 },
6066         { 0, 1, 0, 0, 1, 1 },
6067         { 1, 1, 0, 1, 1, 1 },
6068 };
6069
6070 static void R_DrawBBoxMesh(vec3_t mins, vec3_t maxs, float cr, float cg, float cb, float ca)
6071 {
6072         int numvertices = BBOXEDGES * 8;
6073         float vertex3f[BBOXEDGES * 8 * 3], color4f[BBOXEDGES * 8 * 4];
6074         int numtriangles = BBOXEDGES * 12;
6075         unsigned short elements[BBOXEDGES * 36];
6076         int i, edge;
6077         float *v, *c, f1, f2, edgemins[3], edgemaxs[3];
6078
6079         RSurf_ActiveModelEntity(r_refdef.scene.worldentity, false, false, false);
6080
6081         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
6082         GL_DepthMask(false);
6083         GL_DepthRange(0, 1);
6084         GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
6085
6086         for (edge = 0; edge < BBOXEDGES; edge++)
6087         {
6088                 for (i = 0; i < 3; i++)
6089                 {
6090                         edgemins[i] = mins[i] + (maxs[i] - mins[i]) * bboxedges[edge][i] - 0.25f;
6091                         edgemaxs[i] = mins[i] + (maxs[i] - mins[i]) * bboxedges[edge][3 + i] + 0.25f;
6092                 }
6093                 vertex3f[edge * 24 + 0] = edgemins[0]; vertex3f[edge * 24 + 1] = edgemins[1]; vertex3f[edge * 24 + 2] = edgemins[2];
6094                 vertex3f[edge * 24 + 3] = edgemaxs[0]; vertex3f[edge * 24 + 4] = edgemins[1]; vertex3f[edge * 24 + 5] = edgemins[2];
6095                 vertex3f[edge * 24 + 6] = edgemins[0]; vertex3f[edge * 24 + 7] = edgemaxs[1]; vertex3f[edge * 24 + 8] = edgemins[2];
6096                 vertex3f[edge * 24 + 9] = edgemaxs[0]; vertex3f[edge * 24 + 10] = edgemaxs[1]; vertex3f[edge * 24 + 11] = edgemins[2];
6097                 vertex3f[edge * 24 + 12] = edgemins[0]; vertex3f[edge * 24 + 13] = edgemins[1]; vertex3f[edge * 24 + 14] = edgemaxs[2];
6098                 vertex3f[edge * 24 + 15] = edgemaxs[0]; vertex3f[edge * 24 + 16] = edgemins[1]; vertex3f[edge * 24 + 17] = edgemaxs[2];
6099                 vertex3f[edge * 24 + 18] = edgemins[0]; vertex3f[edge * 24 + 19] = edgemaxs[1]; vertex3f[edge * 24 + 20] = edgemaxs[2];
6100                 vertex3f[edge * 24 + 21] = edgemaxs[0]; vertex3f[edge * 24 + 22] = edgemaxs[1]; vertex3f[edge * 24 + 23] = edgemaxs[2];
6101                 for (i = 0; i < 36; i++)
6102                         elements[edge * 36 + i] = edge * 8 + bboxelements[i];
6103         }
6104         R_FillColors(color4f, numvertices, cr, cg, cb, ca);
6105         if (r_refdef.fogenabled)
6106         {
6107                 for (i = 0, v = vertex3f, c = color4f; i < numvertices; i++, v += 3, c += 4)
6108                 {
6109                         f1 = RSurf_FogVertex(v);
6110                         f2 = 1 - f1;
6111                         c[0] = c[0] * f1 + r_refdef.fogcolor[0] * f2;
6112                         c[1] = c[1] * f1 + r_refdef.fogcolor[1] * f2;
6113                         c[2] = c[2] * f1 + r_refdef.fogcolor[2] * f2;
6114                 }
6115         }
6116         R_Mesh_PrepareVertices_Generic_Arrays(numvertices, vertex3f, color4f, NULL);
6117         R_Mesh_ResetTextureState();
6118         R_SetupShader_Generic_NoTexture(false, false);
6119         R_Mesh_Draw(0, numvertices, 0, numtriangles, NULL, NULL, 0, elements, NULL, 0);
6120 }
6121
6122 static void R_DrawEntityBBoxes_Callback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
6123 {
6124         // hacky overloading of the parameters
6125         prvm_prog_t *prog = (prvm_prog_t *)rtlight;
6126         int i;
6127         float color[4];
6128         prvm_edict_t *edict;
6129
6130         GL_CullFace(GL_NONE);
6131         R_SetupShader_Generic_NoTexture(false, false);
6132
6133         for (i = 0;i < numsurfaces;i++)
6134         {
6135                 edict = PRVM_EDICT_NUM(surfacelist[i]);
6136                 switch ((int)PRVM_serveredictfloat(edict, solid))
6137                 {
6138                         case SOLID_NOT:      Vector4Set(color, 1, 1, 1, 0.05);break;
6139                         case SOLID_TRIGGER:  Vector4Set(color, 1, 0, 1, 0.10);break;
6140                         case SOLID_BBOX:     Vector4Set(color, 0, 1, 0, 0.10);break;
6141                         case SOLID_SLIDEBOX: Vector4Set(color, 1, 0, 0, 0.10);break;
6142                         case SOLID_BSP:      Vector4Set(color, 0, 0, 1, 0.05);break;
6143                         case SOLID_CORPSE:   Vector4Set(color, 1, 0.5, 0, 0.05);break;
6144                         default:             Vector4Set(color, 0, 0, 0, 0.50);break;
6145                 }
6146                 if (prog == CLVM_prog)
6147                         color[3] *= r_showbboxes_client.value;
6148                 else
6149                         color[3] *= r_showbboxes.value;
6150                 color[3] = bound(0, color[3], 1);
6151                 GL_DepthTest(!r_showdisabledepthtest.integer);
6152                 R_DrawBBoxMesh(edict->priv.server->areamins, edict->priv.server->areamaxs, color[0], color[1], color[2], color[3]);
6153         }
6154 }
6155
6156 static void R_DrawEntityBBoxes(prvm_prog_t *prog)
6157 {
6158         int i;
6159         prvm_edict_t *edict;
6160         vec3_t center;
6161
6162         if (prog == NULL)
6163                 return;
6164
6165         for (i = 0; i < prog->num_edicts; i++)
6166         {
6167                 edict = PRVM_EDICT_NUM(i);
6168                 if (edict->free)
6169                         continue;
6170                 // exclude the following for now, as they don't live in world coordinate space and can't be solid:
6171                 if (PRVM_gameedictedict(edict, tag_entity) != 0)
6172                         continue;
6173                 if (prog == SVVM_prog && PRVM_serveredictedict(edict, viewmodelforclient) != 0)
6174                         continue;
6175                 VectorLerp(edict->priv.server->areamins, 0.5f, edict->priv.server->areamaxs, center);
6176                 R_MeshQueue_AddTransparent(TRANSPARENTSORT_DISTANCE, center, R_DrawEntityBBoxes_Callback, (entity_render_t *)NULL, i, (rtlight_t *)prog);
6177         }
6178 }
6179
6180 static const int nomodelelement3i[24] =
6181 {
6182         5, 2, 0,
6183         5, 1, 2,
6184         5, 0, 3,
6185         5, 3, 1,
6186         0, 2, 4,
6187         2, 1, 4,
6188         3, 0, 4,
6189         1, 3, 4
6190 };
6191
6192 static const unsigned short nomodelelement3s[24] =
6193 {
6194         5, 2, 0,
6195         5, 1, 2,
6196         5, 0, 3,
6197         5, 3, 1,
6198         0, 2, 4,
6199         2, 1, 4,
6200         3, 0, 4,
6201         1, 3, 4
6202 };
6203
6204 static const float nomodelvertex3f[6*3] =
6205 {
6206         -16,   0,   0,
6207          16,   0,   0,
6208           0, -16,   0,
6209           0,  16,   0,
6210           0,   0, -16,
6211           0,   0,  16
6212 };
6213
6214 static const float nomodelcolor4f[6*4] =
6215 {
6216         0.0f, 0.0f, 0.5f, 1.0f,
6217         0.0f, 0.0f, 0.5f, 1.0f,
6218         0.0f, 0.5f, 0.0f, 1.0f,
6219         0.0f, 0.5f, 0.0f, 1.0f,
6220         0.5f, 0.0f, 0.0f, 1.0f,
6221         0.5f, 0.0f, 0.0f, 1.0f
6222 };
6223
6224 static void R_DrawNoModel_TransparentCallback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
6225 {
6226         int i;
6227         float f1, f2, *c;
6228         float color4f[6*4];
6229
6230         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);
6231
6232         // this is only called once per entity so numsurfaces is always 1, and
6233         // surfacelist is always {0}, so this code does not handle batches
6234
6235         if (rsurface.ent_flags & RENDER_ADDITIVE)
6236         {
6237                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
6238                 GL_DepthMask(false);
6239         }
6240         else if (ent->alpha < 1)
6241         {
6242                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
6243                 GL_DepthMask(false);
6244         }
6245         else
6246         {
6247                 GL_BlendFunc(GL_ONE, GL_ZERO);
6248                 GL_DepthMask(true);
6249         }
6250         GL_DepthRange(0, (rsurface.ent_flags & RENDER_VIEWMODEL) ? 0.0625 : 1);
6251         GL_PolygonOffset(rsurface.basepolygonfactor, rsurface.basepolygonoffset);
6252         GL_DepthTest(!(rsurface.ent_flags & RENDER_NODEPTHTEST));
6253         GL_CullFace((rsurface.ent_flags & RENDER_DOUBLESIDED) ? GL_NONE : r_refdef.view.cullface_back);
6254         memcpy(color4f, nomodelcolor4f, sizeof(float[6*4]));
6255         for (i = 0, c = color4f;i < 6;i++, c += 4)
6256         {
6257                 c[0] *= ent->render_fullbright[0] * r_refdef.view.colorscale;
6258                 c[1] *= ent->render_fullbright[1] * r_refdef.view.colorscale;
6259                 c[2] *= ent->render_fullbright[2] * r_refdef.view.colorscale;
6260                 c[3] *= ent->alpha;
6261         }
6262         if (r_refdef.fogenabled)
6263         {
6264                 for (i = 0, c = color4f;i < 6;i++, c += 4)
6265                 {
6266                         f1 = RSurf_FogVertex(nomodelvertex3f + 3*i);
6267                         f2 = 1 - f1;
6268                         c[0] = (c[0] * f1 + r_refdef.fogcolor[0] * f2);
6269                         c[1] = (c[1] * f1 + r_refdef.fogcolor[1] * f2);
6270                         c[2] = (c[2] * f1 + r_refdef.fogcolor[2] * f2);
6271                 }
6272         }
6273 //      R_Mesh_ResetTextureState();
6274         R_SetupShader_Generic_NoTexture(false, false);
6275         R_Mesh_PrepareVertices_Generic_Arrays(6, nomodelvertex3f, color4f, NULL);
6276         R_Mesh_Draw(0, 6, 0, 8, nomodelelement3i, NULL, 0, nomodelelement3s, NULL, 0);
6277 }
6278
6279 void R_DrawNoModel(entity_render_t *ent)
6280 {
6281         vec3_t org;
6282         Matrix4x4_OriginFromMatrix(&ent->matrix, org);
6283         if ((ent->flags & RENDER_ADDITIVE) || (ent->alpha < 1))
6284                 R_MeshQueue_AddTransparent((ent->flags & RENDER_NODEPTHTEST) ? TRANSPARENTSORT_HUD : TRANSPARENTSORT_DISTANCE, org, R_DrawNoModel_TransparentCallback, ent, 0, rsurface.rtlight);
6285         else
6286                 R_DrawNoModel_TransparentCallback(ent, rsurface.rtlight, 0, NULL);
6287 }
6288
6289 void R_CalcBeam_Vertex3f (float *vert, const float *org1, const float *org2, float width)
6290 {
6291         vec3_t right1, right2, diff, normal;
6292
6293         VectorSubtract (org2, org1, normal);
6294
6295         // calculate 'right' vector for start
6296         VectorSubtract (r_refdef.view.origin, org1, diff);
6297         CrossProduct (normal, diff, right1);
6298         VectorNormalize (right1);
6299
6300         // calculate 'right' vector for end
6301         VectorSubtract (r_refdef.view.origin, org2, diff);
6302         CrossProduct (normal, diff, right2);
6303         VectorNormalize (right2);
6304
6305         vert[ 0] = org1[0] + width * right1[0];
6306         vert[ 1] = org1[1] + width * right1[1];
6307         vert[ 2] = org1[2] + width * right1[2];
6308         vert[ 3] = org1[0] - width * right1[0];
6309         vert[ 4] = org1[1] - width * right1[1];
6310         vert[ 5] = org1[2] - width * right1[2];
6311         vert[ 6] = org2[0] - width * right2[0];
6312         vert[ 7] = org2[1] - width * right2[1];
6313         vert[ 8] = org2[2] - width * right2[2];
6314         vert[ 9] = org2[0] + width * right2[0];
6315         vert[10] = org2[1] + width * right2[1];
6316         vert[11] = org2[2] + width * right2[2];
6317 }
6318
6319 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)
6320 {
6321         vertex3f[ 0] = origin[0] + left[0] * scalex2 + up[0] * scaley1;
6322         vertex3f[ 1] = origin[1] + left[1] * scalex2 + up[1] * scaley1;
6323         vertex3f[ 2] = origin[2] + left[2] * scalex2 + up[2] * scaley1;
6324         vertex3f[ 3] = origin[0] + left[0] * scalex2 + up[0] * scaley2;
6325         vertex3f[ 4] = origin[1] + left[1] * scalex2 + up[1] * scaley2;
6326         vertex3f[ 5] = origin[2] + left[2] * scalex2 + up[2] * scaley2;
6327         vertex3f[ 6] = origin[0] + left[0] * scalex1 + up[0] * scaley2;
6328         vertex3f[ 7] = origin[1] + left[1] * scalex1 + up[1] * scaley2;
6329         vertex3f[ 8] = origin[2] + left[2] * scalex1 + up[2] * scaley2;
6330         vertex3f[ 9] = origin[0] + left[0] * scalex1 + up[0] * scaley1;
6331         vertex3f[10] = origin[1] + left[1] * scalex1 + up[1] * scaley1;
6332         vertex3f[11] = origin[2] + left[2] * scalex1 + up[2] * scaley1;
6333 }
6334
6335 static int R_Mesh_AddVertex(rmesh_t *mesh, float x, float y, float z)
6336 {
6337         int i;
6338         float *vertex3f;
6339         float v[3];
6340         VectorSet(v, x, y, z);
6341         for (i = 0, vertex3f = mesh->vertex3f;i < mesh->numvertices;i++, vertex3f += 3)
6342                 if (VectorDistance2(v, vertex3f) < mesh->epsilon2)
6343                         break;
6344         if (i == mesh->numvertices)
6345         {
6346                 if (mesh->numvertices < mesh->maxvertices)
6347                 {
6348                         VectorCopy(v, vertex3f);
6349                         mesh->numvertices++;
6350                 }
6351                 return mesh->numvertices;
6352         }
6353         else
6354                 return i;
6355 }
6356
6357 void R_Mesh_AddPolygon3f(rmesh_t *mesh, int numvertices, float *vertex3f)
6358 {
6359         int i;
6360         int *e, element[3];
6361         element[0] = R_Mesh_AddVertex(mesh, vertex3f[0], vertex3f[1], vertex3f[2]);vertex3f += 3;
6362         element[1] = R_Mesh_AddVertex(mesh, vertex3f[0], vertex3f[1], vertex3f[2]);vertex3f += 3;
6363         e = mesh->element3i + mesh->numtriangles * 3;
6364         for (i = 0;i < numvertices - 2;i++, vertex3f += 3)
6365         {
6366                 element[2] = R_Mesh_AddVertex(mesh, vertex3f[0], vertex3f[1], vertex3f[2]);
6367                 if (mesh->numtriangles < mesh->maxtriangles)
6368                 {
6369                         *e++ = element[0];
6370                         *e++ = element[1];
6371                         *e++ = element[2];
6372                         mesh->numtriangles++;
6373                 }
6374                 element[1] = element[2];
6375         }
6376 }
6377
6378 static void R_Mesh_AddPolygon3d(rmesh_t *mesh, int numvertices, double *vertex3d)
6379 {
6380         int i;
6381         int *e, element[3];
6382         element[0] = R_Mesh_AddVertex(mesh, vertex3d[0], vertex3d[1], vertex3d[2]);vertex3d += 3;
6383         element[1] = R_Mesh_AddVertex(mesh, vertex3d[0], vertex3d[1], vertex3d[2]);vertex3d += 3;
6384         e = mesh->element3i + mesh->numtriangles * 3;
6385         for (i = 0;i < numvertices - 2;i++, vertex3d += 3)
6386         {
6387                 element[2] = R_Mesh_AddVertex(mesh, vertex3d[0], vertex3d[1], vertex3d[2]);
6388                 if (mesh->numtriangles < mesh->maxtriangles)
6389                 {
6390                         *e++ = element[0];
6391                         *e++ = element[1];
6392                         *e++ = element[2];
6393                         mesh->numtriangles++;
6394                 }
6395                 element[1] = element[2];
6396         }
6397 }
6398
6399 #define R_MESH_PLANE_DIST_EPSILON (1.0 / 32.0)
6400 void R_Mesh_AddBrushMeshFromPlanes(rmesh_t *mesh, int numplanes, mplane_t *planes)
6401 {
6402         int planenum, planenum2;
6403         int w;
6404         int tempnumpoints;
6405         mplane_t *plane, *plane2;
6406         double maxdist;
6407         double temppoints[2][256*3];
6408         // figure out how large a bounding box we need to properly compute this brush
6409         maxdist = 0;
6410         for (w = 0;w < numplanes;w++)
6411                 maxdist = max(maxdist, fabs(planes[w].dist));
6412         // now make it large enough to enclose the entire brush, and round it off to a reasonable multiple of 1024
6413         maxdist = floor(maxdist * (4.0 / 1024.0) + 1) * 1024.0;
6414         for (planenum = 0, plane = planes;planenum < numplanes;planenum++, plane++)
6415         {
6416                 w = 0;
6417                 tempnumpoints = 4;
6418                 PolygonD_QuadForPlane(temppoints[w], plane->normal[0], plane->normal[1], plane->normal[2], plane->dist, maxdist);
6419                 for (planenum2 = 0, plane2 = planes;planenum2 < numplanes && tempnumpoints >= 3;planenum2++, plane2++)
6420                 {
6421                         if (planenum2 == planenum)
6422                                 continue;
6423                         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);
6424                         w = !w;
6425                 }
6426                 if (tempnumpoints < 3)
6427                         continue;
6428                 // generate elements forming a triangle fan for this polygon
6429                 R_Mesh_AddPolygon3d(mesh, tempnumpoints, temppoints[w]);
6430         }
6431 }
6432
6433 static qbool R_TestQ3WaveFunc(q3wavefunc_t func, const float *parms)
6434 {
6435         if(parms[0] == 0 && parms[1] == 0)
6436                 return false;
6437         if(func >> Q3WAVEFUNC_USER_SHIFT) // assumes rsurface to be set!
6438                 if(rsurface.userwavefunc_param[bound(0, (func >> Q3WAVEFUNC_USER_SHIFT) - 1, Q3WAVEFUNC_USER_COUNT - 1)] == 0)
6439                         return false;
6440         return true;
6441 }
6442
6443 static float R_EvaluateQ3WaveFunc(q3wavefunc_t func, const float *parms)
6444 {
6445         double index, f;
6446         index = parms[2] + rsurface.shadertime * parms[3];
6447         index -= floor(index);
6448         switch (func & ((1 << Q3WAVEFUNC_USER_SHIFT) - 1))
6449         {
6450         default:
6451         case Q3WAVEFUNC_NONE:
6452         case Q3WAVEFUNC_NOISE:
6453         case Q3WAVEFUNC_COUNT:
6454                 f = 0;
6455                 break;
6456         case Q3WAVEFUNC_SIN: f = sin(index * M_PI * 2);break;
6457         case Q3WAVEFUNC_SQUARE: f = index < 0.5 ? 1 : -1;break;
6458         case Q3WAVEFUNC_SAWTOOTH: f = index;break;
6459         case Q3WAVEFUNC_INVERSESAWTOOTH: f = 1 - index;break;
6460         case Q3WAVEFUNC_TRIANGLE:
6461                 index *= 4;
6462                 f = index - floor(index);
6463                 if (index < 1)
6464                 {
6465                         // f = f;
6466                 }
6467                 else if (index < 2)
6468                         f = 1 - f;
6469                 else if (index < 3)
6470                         f = -f;
6471                 else
6472                         f = -(1 - f);
6473                 break;
6474         }
6475         f = parms[0] + parms[1] * f;
6476         if(func >> Q3WAVEFUNC_USER_SHIFT) // assumes rsurface to be set!
6477                 f *= rsurface.userwavefunc_param[bound(0, (func >> Q3WAVEFUNC_USER_SHIFT) - 1, Q3WAVEFUNC_USER_COUNT - 1)];
6478         return (float) f;
6479 }
6480
6481 static void R_tcMod_ApplyToMatrix(matrix4x4_t *texmatrix, q3shaderinfo_layer_tcmod_t *tcmod, int currentmaterialflags)
6482 {
6483         int w, h, idx;
6484         float shadertime;
6485         float f;
6486         float offsetd[2];
6487         float tcmat[12];
6488         matrix4x4_t matrix, temp;
6489         // if shadertime exceeds about 9 hours (32768 seconds), just wrap it,
6490         // it's better to have one huge fixup every 9 hours than gradual
6491         // degradation over time which looks consistently bad after many hours.
6492         //
6493         // tcmod scroll in particular suffers from this degradation which can't be
6494         // effectively worked around even with floor() tricks because we don't
6495         // know if tcmod scroll is the last tcmod being applied, and for clampmap
6496         // a workaround involving floor() would be incorrect anyway...
6497         shadertime = rsurface.shadertime;
6498         if (shadertime >= 32768.0f)
6499                 shadertime -= floor(rsurface.shadertime * (1.0f / 32768.0f)) * 32768.0f;
6500         switch(tcmod->tcmod)
6501         {
6502                 case Q3TCMOD_COUNT:
6503                 case Q3TCMOD_NONE:
6504                         if (currentmaterialflags & MATERIALFLAG_WATERSCROLL)
6505                                 matrix = r_waterscrollmatrix;
6506                         else
6507                                 matrix = identitymatrix;
6508                         break;
6509                 case Q3TCMOD_ENTITYTRANSLATE:
6510                         // this is used in Q3 to allow the gamecode to control texcoord
6511                         // scrolling on the entity, which is not supported in darkplaces yet.
6512                         Matrix4x4_CreateTranslate(&matrix, 0, 0, 0);
6513                         break;
6514                 case Q3TCMOD_ROTATE:
6515                         Matrix4x4_CreateTranslate(&matrix, 0.5, 0.5, 0);
6516                         Matrix4x4_ConcatRotate(&matrix, tcmod->parms[0] * rsurface.shadertime, 0, 0, 1);
6517                         Matrix4x4_ConcatTranslate(&matrix, -0.5, -0.5, 0);
6518                         break;
6519                 case Q3TCMOD_SCALE:
6520                         Matrix4x4_CreateScale3(&matrix, tcmod->parms[0], tcmod->parms[1], 1);
6521                         break;
6522                 case Q3TCMOD_SCROLL:
6523                         // this particular tcmod is a "bug for bug" compatible one with regards to
6524                         // Quake3, the wrapping is unnecessary with our shadetime fix but quake3
6525                         // specifically did the wrapping and so we must mimic that...
6526                         offsetd[0] = tcmod->parms[0] * rsurface.shadertime;
6527                         offsetd[1] = tcmod->parms[1] * rsurface.shadertime;
6528                         Matrix4x4_CreateTranslate(&matrix, offsetd[0] - floor(offsetd[0]), offsetd[1] - floor(offsetd[1]), 0);
6529                         break;
6530                 case Q3TCMOD_PAGE: // poor man's animmap (to store animations into a single file, useful for HTTP downloaded textures)
6531                         w = (int) tcmod->parms[0];
6532                         h = (int) tcmod->parms[1];
6533                         f = rsurface.shadertime / (tcmod->parms[2] * w * h);
6534                         f = f - floor(f);
6535                         idx = (int) floor(f * w * h);
6536                         Matrix4x4_CreateTranslate(&matrix, (idx % w) / tcmod->parms[0], (idx / w) / tcmod->parms[1], 0);
6537                         break;
6538                 case Q3TCMOD_STRETCH:
6539                         f = 1.0f / R_EvaluateQ3WaveFunc(tcmod->wavefunc, tcmod->waveparms);
6540                         Matrix4x4_CreateFromQuakeEntity(&matrix, 0.5f * (1 - f), 0.5 * (1 - f), 0, 0, 0, 0, f);
6541                         break;
6542                 case Q3TCMOD_TRANSFORM:
6543                         VectorSet(tcmat +  0, tcmod->parms[0], tcmod->parms[1], 0);
6544                         VectorSet(tcmat +  3, tcmod->parms[2], tcmod->parms[3], 0);
6545                         VectorSet(tcmat +  6, 0                   , 0                , 1);
6546                         VectorSet(tcmat +  9, tcmod->parms[4], tcmod->parms[5], 0);
6547                         Matrix4x4_FromArray12FloatGL(&matrix, tcmat);
6548                         break;
6549                 case Q3TCMOD_TURBULENT:
6550                         // this is handled in the RSurf_PrepareVertices function
6551                         matrix = identitymatrix;
6552                         break;
6553         }
6554         temp = *texmatrix;
6555         Matrix4x4_Concat(texmatrix, &matrix, &temp);
6556 }
6557
6558 static void R_LoadQWSkin(r_qwskincache_t *cache, const char *skinname)
6559 {
6560         int textureflags = (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_PICMIP;
6561         char name[MAX_QPATH];
6562         skinframe_t *skinframe;
6563         unsigned char pixels[296*194];
6564         dp_strlcpy(cache->name, skinname, sizeof(cache->name));
6565         dpsnprintf(name, sizeof(name), "skins/%s.pcx", cache->name);
6566         if (developer_loading.integer)
6567                 Con_Printf("loading %s\n", name);
6568         skinframe = R_SkinFrame_Find(name, textureflags, 0, 0, 0, false);
6569         if (!skinframe || !skinframe->base)
6570         {
6571                 unsigned char *f;
6572                 fs_offset_t filesize;
6573                 skinframe = NULL;
6574                 f = FS_LoadFile(name, tempmempool, true, &filesize);
6575                 if (f)
6576                 {
6577                         if (LoadPCX_QWSkin(f, (int)filesize, pixels, 296, 194))
6578                                 skinframe = R_SkinFrame_LoadInternalQuake(name, textureflags, true, r_fullbrights.integer, pixels, image_width, image_height);
6579                         Mem_Free(f);
6580                 }
6581         }
6582         cache->skinframe = skinframe;
6583 }
6584
6585 texture_t *R_GetCurrentTexture(texture_t *t)
6586 {
6587         int i, q;
6588         const entity_render_t *ent = rsurface.entity;
6589         model_t *model = ent->model; // when calling this, ent must not be NULL
6590         q3shaderinfo_layer_tcmod_t *tcmod;
6591         float specularscale = 0.0f;
6592
6593         if (t->update_lastrenderframe == r_textureframe && t->update_lastrenderentity == (void *)ent && !rsurface.forcecurrenttextureupdate)
6594                 return t->currentframe;
6595         t->update_lastrenderframe = r_textureframe;
6596         t->update_lastrenderentity = (void *)ent;
6597
6598         if(ent->entitynumber >= MAX_EDICTS && ent->entitynumber < 2 * MAX_EDICTS)
6599                 t->camera_entity = ent->entitynumber;
6600         else
6601                 t->camera_entity = 0;
6602
6603         // switch to an alternate material if this is a q1bsp animated material
6604         {
6605                 texture_t *texture = t;
6606                 int s = rsurface.ent_skinnum;
6607                 if ((unsigned int)s >= (unsigned int)model->numskins)
6608                         s = 0;
6609                 if (model->skinscenes)
6610                 {
6611                         if (model->skinscenes[s].framecount > 1)
6612                                 s = model->skinscenes[s].firstframe + (unsigned int) (rsurface.shadertime * model->skinscenes[s].framerate) % model->skinscenes[s].framecount;
6613                         else
6614                                 s = model->skinscenes[s].firstframe;
6615                 }
6616                 if (s > 0)
6617                         t = t + s * model->num_surfaces;
6618                 if (t->animated)
6619                 {
6620                         // use an alternate animation if the entity's frame is not 0,
6621                         // and only if the texture has an alternate animation
6622                         if (t->animated == 2) // q2bsp
6623                                 t = t->anim_frames[0][ent->framegroupblend[0].frame % t->anim_total[0]];
6624                         else if (rsurface.ent_alttextures && t->anim_total[1])
6625                                 t = t->anim_frames[1][(t->anim_total[1] >= 2) ? ((int)(rsurface.shadertime * 5.0f) % t->anim_total[1]) : 0];
6626                         else
6627                                 t = t->anim_frames[0][(t->anim_total[0] >= 2) ? ((int)(rsurface.shadertime * 5.0f) % t->anim_total[0]) : 0];
6628                 }
6629                 texture->currentframe = t;
6630         }
6631
6632         // update currentskinframe to be a qw skin or animation frame
6633         if (rsurface.ent_qwskin >= 0)
6634         {
6635                 i = rsurface.ent_qwskin;
6636                 if (!r_qwskincache || r_qwskincache_size != cl.maxclients)
6637                 {
6638                         r_qwskincache_size = cl.maxclients;
6639                         if (r_qwskincache)
6640                                 Mem_Free(r_qwskincache);
6641                         r_qwskincache = (r_qwskincache_t *)Mem_Alloc(r_main_mempool, sizeof(*r_qwskincache) * r_qwskincache_size);
6642                 }
6643                 if (strcmp(r_qwskincache[i].name, cl.scores[i].qw_skin))
6644                         R_LoadQWSkin(&r_qwskincache[i], cl.scores[i].qw_skin);
6645                 t->currentskinframe = r_qwskincache[i].skinframe;
6646                 if (t->materialshaderpass && t->currentskinframe == NULL)
6647                         t->currentskinframe = t->materialshaderpass->skinframes[LoopingFrameNumberFromDouble(rsurface.shadertime * t->materialshaderpass->framerate, t->materialshaderpass->numframes)];
6648         }
6649         else if (t->materialshaderpass && t->materialshaderpass->numframes >= 2)
6650                 t->currentskinframe = t->materialshaderpass->skinframes[LoopingFrameNumberFromDouble(rsurface.shadertime * t->materialshaderpass->framerate, t->materialshaderpass->numframes)];
6651         if (t->backgroundshaderpass && t->backgroundshaderpass->numframes >= 2)
6652                 t->backgroundcurrentskinframe = t->backgroundshaderpass->skinframes[LoopingFrameNumberFromDouble(rsurface.shadertime * t->backgroundshaderpass->framerate, t->backgroundshaderpass->numframes)];
6653
6654         t->currentmaterialflags = t->basematerialflags;
6655         t->currentalpha = rsurface.entity->alpha * t->basealpha;
6656         if (t->basematerialflags & MATERIALFLAG_WATERALPHA && (model->brush.supportwateralpha || r_water.integer || r_novis.integer || r_trippy.integer))
6657                 t->currentalpha *= r_wateralpha.value;
6658         if(t->basematerialflags & MATERIALFLAG_WATERSHADER && r_fb.water.enabled && !r_refdef.view.isoverlay)
6659                 t->currentmaterialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW; // we apply wateralpha later
6660         if(!r_fb.water.enabled || r_refdef.view.isoverlay)
6661                 t->currentmaterialflags &= ~(MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_REFLECTION | MATERIALFLAG_CAMERA);
6662
6663         // decide on which type of lighting to use for this surface
6664         if (rsurface.entity->render_modellight_forced)
6665                 t->currentmaterialflags |= MATERIALFLAG_MODELLIGHT;
6666         if (rsurface.entity->render_rtlight_disabled)
6667                 t->currentmaterialflags |= MATERIALFLAG_NORTLIGHT;
6668         if (rsurface.entity->render_lightgrid)
6669                 t->currentmaterialflags |= MATERIALFLAG_LIGHTGRID;
6670         if (t->currentmaterialflags & MATERIALFLAG_CUSTOMBLEND && !(R_BlendFuncFlags(t->customblendfunc[0], t->customblendfunc[1]) & BLENDFUNC_ALLOWS_COLORMOD))
6671         {
6672                 // some CUSTOMBLEND blendfuncs are too weird, we have to ignore colormod and view colorscale
6673                 t->currentmaterialflags = (t->currentmaterialflags | MATERIALFLAG_MODELLIGHT | MATERIALFLAG_NORTLIGHT) & ~MATERIALFLAG_LIGHTGRID;
6674                 for (q = 0; q < 3; q++)
6675                 {
6676                         t->render_glowmod[q] = rsurface.entity->glowmod[q];
6677                         t->render_modellight_lightdir_world[q] = q == 2;
6678                         t->render_modellight_lightdir_local[q] = q == 2;
6679                         t->render_modellight_ambient[q] = 1;
6680                         t->render_modellight_diffuse[q] = 0;
6681                         t->render_modellight_specular[q] = 0;
6682                         t->render_lightmap_ambient[q] = 0;
6683                         t->render_lightmap_diffuse[q] = 0;
6684                         t->render_lightmap_specular[q] = 0;
6685                         t->render_rtlight_diffuse[q] = 0;
6686                         t->render_rtlight_specular[q] = 0;
6687                 }
6688         }
6689         else if ((t->currentmaterialflags & MATERIALFLAG_FULLBRIGHT) || !(rsurface.ent_flags & RENDER_LIGHT))
6690         {
6691                 // fullbright is basically MATERIALFLAG_MODELLIGHT but with ambient locked to 1,1,1 and no shading
6692                 t->currentmaterialflags = (t->currentmaterialflags | MATERIALFLAG_NORTLIGHT | MATERIALFLAG_MODELLIGHT) & ~MATERIALFLAG_LIGHTGRID;
6693                 for (q = 0; q < 3; q++)
6694                 {
6695                         t->render_glowmod[q] = rsurface.entity->render_glowmod[q] * r_refdef.view.colorscale;
6696                         t->render_modellight_ambient[q] = rsurface.entity->render_fullbright[q] * r_refdef.view.colorscale;
6697                         t->render_modellight_lightdir_world[q] = q == 2;
6698                         t->render_modellight_lightdir_local[q] = q == 2;
6699                         t->render_modellight_diffuse[q] = 0;
6700                         t->render_modellight_specular[q] = 0;
6701                         t->render_lightmap_ambient[q] = 0;
6702                         t->render_lightmap_diffuse[q] = 0;
6703                         t->render_lightmap_specular[q] = 0;
6704                         t->render_rtlight_diffuse[q] = 0;
6705                         t->render_rtlight_specular[q] = 0;
6706                 }
6707         }
6708         else if (t->currentmaterialflags & MATERIALFLAG_LIGHTGRID)
6709         {
6710                 t->currentmaterialflags &= ~MATERIALFLAG_MODELLIGHT;
6711                 for (q = 0; q < 3; q++)
6712                 {
6713                         t->render_glowmod[q] = rsurface.entity->render_glowmod[q] * r_refdef.view.colorscale;
6714                         t->render_modellight_lightdir_world[q] = q == 2;
6715                         t->render_modellight_lightdir_local[q] = q == 2;
6716                         t->render_modellight_ambient[q] = 0;
6717                         t->render_modellight_diffuse[q] = 0;
6718                         t->render_modellight_specular[q] = 0;
6719                         t->render_lightmap_ambient[q] = rsurface.entity->render_lightmap_ambient[q] * r_refdef.view.colorscale;
6720                         t->render_lightmap_diffuse[q] = rsurface.entity->render_lightmap_diffuse[q] * 2 * r_refdef.view.colorscale;
6721                         t->render_lightmap_specular[q] = rsurface.entity->render_lightmap_specular[q] * 2 * r_refdef.view.colorscale;
6722                         t->render_rtlight_diffuse[q] = rsurface.entity->render_rtlight_diffuse[q] * r_refdef.view.colorscale;
6723                         t->render_rtlight_specular[q] = rsurface.entity->render_rtlight_specular[q] * r_refdef.view.colorscale;
6724                 }
6725         }
6726         else if ((rsurface.ent_flags & (RENDER_DYNAMICMODELLIGHT | RENDER_CUSTOMIZEDMODELLIGHT)) || rsurface.modeltexcoordlightmap2f == NULL)
6727         {
6728                 // ambient + single direction light (modellight)
6729                 t->currentmaterialflags = (t->currentmaterialflags | MATERIALFLAG_MODELLIGHT) & ~MATERIALFLAG_LIGHTGRID;
6730                 for (q = 0; q < 3; q++)
6731                 {
6732                         t->render_glowmod[q] = rsurface.entity->render_glowmod[q] * r_refdef.view.colorscale;
6733                         t->render_modellight_lightdir_world[q] = rsurface.entity->render_modellight_lightdir_world[q];
6734                         t->render_modellight_lightdir_local[q] = rsurface.entity->render_modellight_lightdir_local[q];
6735                         t->render_modellight_ambient[q] = rsurface.entity->render_modellight_ambient[q] * r_refdef.view.colorscale;
6736                         t->render_modellight_diffuse[q] = rsurface.entity->render_modellight_diffuse[q] * r_refdef.view.colorscale;
6737                         t->render_modellight_specular[q] = rsurface.entity->render_modellight_specular[q] * r_refdef.view.colorscale;
6738                         t->render_lightmap_ambient[q] = 0;
6739                         t->render_lightmap_diffuse[q] = 0;
6740                         t->render_lightmap_specular[q] = 0;
6741                         t->render_rtlight_diffuse[q] = rsurface.entity->render_rtlight_diffuse[q] * r_refdef.view.colorscale;
6742                         t->render_rtlight_specular[q] = rsurface.entity->render_rtlight_specular[q] * r_refdef.view.colorscale;
6743                 }
6744         }
6745         else
6746         {
6747                 // lightmap - 2x diffuse and specular brightness because bsp files have 0-2 colors as 0-1
6748                 for (q = 0; q < 3; q++)
6749                 {
6750                         t->render_glowmod[q] = rsurface.entity->render_glowmod[q] * r_refdef.view.colorscale;
6751                         t->render_modellight_lightdir_world[q] = q == 2;
6752                         t->render_modellight_lightdir_local[q] = q == 2;
6753                         t->render_modellight_ambient[q] = 0;
6754                         t->render_modellight_diffuse[q] = 0;
6755                         t->render_modellight_specular[q] = 0;
6756                         t->render_lightmap_ambient[q] = rsurface.entity->render_lightmap_ambient[q] * r_refdef.view.colorscale;
6757                         t->render_lightmap_diffuse[q] = rsurface.entity->render_lightmap_diffuse[q] * 2 * r_refdef.view.colorscale;
6758                         t->render_lightmap_specular[q] = rsurface.entity->render_lightmap_specular[q] * 2 * r_refdef.view.colorscale;
6759                         t->render_rtlight_diffuse[q] = rsurface.entity->render_rtlight_diffuse[q] * r_refdef.view.colorscale;
6760                         t->render_rtlight_specular[q] = rsurface.entity->render_rtlight_specular[q] * r_refdef.view.colorscale;
6761                 }
6762         }
6763
6764         if (t->currentmaterialflags & MATERIALFLAG_VERTEXCOLOR)
6765         {
6766                 // since MATERIALFLAG_VERTEXCOLOR uses the lightmapcolor4f vertex
6767                 // attribute, we punt it to the lightmap path and hope for the best,
6768                 // but lighting doesn't work.
6769                 //
6770                 // FIXME: this is fine for effects but CSQC polygons should be subject
6771                 // to lighting.
6772                 t->currentmaterialflags &= ~(MATERIALFLAG_MODELLIGHT | MATERIALFLAG_LIGHTGRID);
6773                 for (q = 0; q < 3; q++)
6774                 {
6775                         t->render_glowmod[q] = rsurface.entity->render_glowmod[q] * r_refdef.view.colorscale;
6776                         t->render_modellight_lightdir_world[q] = q == 2;
6777                         t->render_modellight_lightdir_local[q] = q == 2;
6778                         t->render_modellight_ambient[q] = 0;
6779                         t->render_modellight_diffuse[q] = 0;
6780                         t->render_modellight_specular[q] = 0;
6781                         t->render_lightmap_ambient[q] = 0;
6782                         t->render_lightmap_diffuse[q] = rsurface.entity->render_fullbright[q] * r_refdef.view.colorscale;
6783                         t->render_lightmap_specular[q] = 0;
6784                         t->render_rtlight_diffuse[q] = 0;
6785                         t->render_rtlight_specular[q] = 0;
6786                 }
6787         }
6788
6789         for (q = 0; q < 3; q++)
6790         {
6791                 t->render_colormap_pants[q] = rsurface.entity->colormap_pantscolor[q];
6792                 t->render_colormap_shirt[q] = rsurface.entity->colormap_shirtcolor[q];
6793         }
6794
6795         if (rsurface.ent_flags & RENDER_ADDITIVE)
6796                 t->currentmaterialflags |= MATERIALFLAG_ADD | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
6797         else if (t->currentalpha < 1)
6798                 t->currentmaterialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
6799         // LadyHavoc: prevent bugs where code checks add or alpha at higher priority than customblend by clearing these flags
6800         if (t->currentmaterialflags & MATERIALFLAG_CUSTOMBLEND)
6801                 t->currentmaterialflags &= ~(MATERIALFLAG_ADD | MATERIALFLAG_ALPHA);
6802         if (rsurface.ent_flags & RENDER_DOUBLESIDED)
6803                 t->currentmaterialflags |= MATERIALFLAG_NOSHADOW | MATERIALFLAG_NOCULLFACE;
6804         if (rsurface.ent_flags & (RENDER_NODEPTHTEST | RENDER_VIEWMODEL))
6805                 t->currentmaterialflags |= MATERIALFLAG_SHORTDEPTHRANGE;
6806         if (t->backgroundshaderpass)
6807                 t->currentmaterialflags |= MATERIALFLAG_VERTEXTEXTUREBLEND;
6808         if (t->currentmaterialflags & MATERIALFLAG_BLENDED)
6809         {
6810                 if (t->currentmaterialflags & (MATERIALFLAG_REFRACTION | MATERIALFLAG_WATERSHADER | MATERIALFLAG_CAMERA))
6811                         t->currentmaterialflags &= ~MATERIALFLAG_BLENDED;
6812         }
6813         else
6814                 t->currentmaterialflags &= ~(MATERIALFLAG_REFRACTION | MATERIALFLAG_WATERSHADER | MATERIALFLAG_CAMERA);
6815         if (vid.allowalphatocoverage && r_transparent_alphatocoverage.integer >= 2 && ((t->currentmaterialflags & (MATERIALFLAG_BLENDED | MATERIALFLAG_ALPHA | MATERIALFLAG_ADD | MATERIALFLAG_CUSTOMBLEND)) == (MATERIALFLAG_BLENDED | MATERIALFLAG_ALPHA)))
6816         {
6817                 // promote alphablend to alphatocoverage (a type of alphatest) if antialiasing is on
6818                 t->currentmaterialflags = (t->currentmaterialflags & ~(MATERIALFLAG_BLENDED | MATERIALFLAG_ALPHA)) | MATERIALFLAG_ALPHATEST;
6819         }
6820         if ((t->currentmaterialflags & (MATERIALFLAG_BLENDED | MATERIALFLAG_NODEPTHTEST)) == MATERIALFLAG_BLENDED && r_transparentdepthmasking.integer && !(t->basematerialflags & MATERIALFLAG_BLENDED))
6821                 t->currentmaterialflags |= MATERIALFLAG_TRANSDEPTH;
6822
6823         // there is no tcmod
6824         if (t->currentmaterialflags & MATERIALFLAG_WATERSCROLL)
6825         {
6826                 t->currenttexmatrix = r_waterscrollmatrix;
6827                 t->currentbackgroundtexmatrix = r_waterscrollmatrix;
6828         }
6829         else if (!(t->currentmaterialflags & MATERIALFLAG_CUSTOMSURFACE))
6830         {
6831                 Matrix4x4_CreateIdentity(&t->currenttexmatrix);
6832                 Matrix4x4_CreateIdentity(&t->currentbackgroundtexmatrix);
6833         }
6834
6835         if (t->materialshaderpass)
6836                 for (i = 0, tcmod = t->materialshaderpass->tcmods;i < Q3MAXTCMODS && tcmod->tcmod;i++, tcmod++)
6837                         R_tcMod_ApplyToMatrix(&t->currenttexmatrix, tcmod, t->currentmaterialflags);
6838
6839         t->colormapping = VectorLength2(t->render_colormap_pants) + VectorLength2(t->render_colormap_shirt) >= (1.0f / 1048576.0f);
6840         if (t->currentskinframe->qpixels)
6841                 R_SkinFrame_GenerateTexturesFromQPixels(t->currentskinframe, t->colormapping);
6842         t->basetexture = (!t->colormapping && t->currentskinframe->merged) ? t->currentskinframe->merged : t->currentskinframe->base;
6843         if (!t->basetexture)
6844                 t->basetexture = r_texture_notexture;
6845         t->pantstexture = t->colormapping ? t->currentskinframe->pants : NULL;
6846         t->shirttexture = t->colormapping ? t->currentskinframe->shirt : NULL;
6847         t->nmaptexture = t->currentskinframe->nmap;
6848         if (!t->nmaptexture)
6849                 t->nmaptexture = r_texture_blanknormalmap;
6850         t->glosstexture = r_texture_black;
6851         t->glowtexture = t->currentskinframe->glow;
6852         t->fogtexture = t->currentskinframe->fog;
6853         t->reflectmasktexture = t->currentskinframe->reflect;
6854         if (t->backgroundshaderpass)
6855         {
6856                 for (i = 0, tcmod = t->backgroundshaderpass->tcmods; i < Q3MAXTCMODS && tcmod->tcmod; i++, tcmod++)
6857                         R_tcMod_ApplyToMatrix(&t->currentbackgroundtexmatrix, tcmod, t->currentmaterialflags);
6858                 t->backgroundbasetexture = (!t->colormapping && t->backgroundcurrentskinframe->merged) ? t->backgroundcurrentskinframe->merged : t->backgroundcurrentskinframe->base;
6859                 t->backgroundnmaptexture = t->backgroundcurrentskinframe->nmap;
6860                 t->backgroundglosstexture = r_texture_black;
6861                 t->backgroundglowtexture = t->backgroundcurrentskinframe->glow;
6862                 if (!t->backgroundnmaptexture)
6863                         t->backgroundnmaptexture = r_texture_blanknormalmap;
6864                 // make sure that if glow is going to be used, both textures are not NULL
6865                 if (!t->backgroundglowtexture && t->glowtexture)
6866                         t->backgroundglowtexture = r_texture_black;
6867                 if (!t->glowtexture && t->backgroundglowtexture)
6868                         t->glowtexture = r_texture_black;
6869         }
6870         else
6871         {
6872                 t->backgroundbasetexture = r_texture_white;
6873                 t->backgroundnmaptexture = r_texture_blanknormalmap;
6874                 t->backgroundglosstexture = r_texture_black;
6875                 t->backgroundglowtexture = NULL;
6876         }
6877         t->specularpower = r_shadow_glossexponent.value;
6878         // TODO: store reference values for these in the texture?
6879         if (r_shadow_gloss.integer > 0)
6880         {
6881                 if (t->currentskinframe->gloss || (t->backgroundcurrentskinframe && t->backgroundcurrentskinframe->gloss))
6882                 {
6883                         if (r_shadow_glossintensity.value > 0)
6884                         {
6885                                 t->glosstexture = t->currentskinframe->gloss ? t->currentskinframe->gloss : r_texture_white;
6886                                 t->backgroundglosstexture = (t->backgroundcurrentskinframe && t->backgroundcurrentskinframe->gloss) ? t->backgroundcurrentskinframe->gloss : r_texture_white;
6887                                 specularscale = r_shadow_glossintensity.value;
6888                         }
6889                 }
6890                 else if (r_shadow_gloss.integer >= 2 && r_shadow_gloss2intensity.value > 0)
6891                 {
6892                         t->glosstexture = r_texture_white;
6893                         t->backgroundglosstexture = r_texture_white;
6894                         specularscale = r_shadow_gloss2intensity.value;
6895                         t->specularpower = r_shadow_gloss2exponent.value;
6896                 }
6897         }
6898         specularscale *= t->specularscalemod;
6899         t->specularpower *= t->specularpowermod;
6900
6901         // lightmaps mode looks bad with dlights using actual texturing, so turn
6902         // off the colormap and glossmap, but leave the normalmap on as it still
6903         // accurately represents the shading involved
6904         if (gl_lightmaps.integer && ent != &cl_meshentities[MESH_UI].render)
6905         {
6906                 t->basetexture = r_texture_grey128;
6907                 t->pantstexture = r_texture_black;
6908                 t->shirttexture = r_texture_black;
6909                 if (gl_lightmaps.integer < 2)
6910                         t->nmaptexture = r_texture_blanknormalmap;
6911                 t->glosstexture = r_texture_black;
6912                 t->glowtexture = NULL;
6913                 t->fogtexture = NULL;
6914                 t->reflectmasktexture = NULL;
6915                 t->backgroundbasetexture = NULL;
6916                 if (gl_lightmaps.integer < 2)
6917                         t->backgroundnmaptexture = r_texture_blanknormalmap;
6918                 t->backgroundglosstexture = r_texture_black;
6919                 t->backgroundglowtexture = NULL;
6920                 specularscale = 0;
6921                 t->currentmaterialflags = MATERIALFLAG_WALL | (t->currentmaterialflags & (MATERIALFLAG_NOCULLFACE | MATERIALFLAG_MODELLIGHT | MATERIALFLAG_NODEPTHTEST | MATERIALFLAG_SHORTDEPTHRANGE));
6922         }
6923
6924         if (specularscale != 1.0f)
6925         {
6926                 for (q = 0; q < 3; q++)
6927                 {
6928                         t->render_modellight_specular[q] *= specularscale;
6929                         t->render_lightmap_specular[q] *= specularscale;
6930                         t->render_rtlight_specular[q] *= specularscale;
6931                 }
6932         }
6933
6934         t->currentblendfunc[0] = GL_ONE;
6935         t->currentblendfunc[1] = GL_ZERO;
6936         if (t->currentmaterialflags & MATERIALFLAG_ADD)
6937         {
6938                 t->currentblendfunc[0] = GL_SRC_ALPHA;
6939                 t->currentblendfunc[1] = GL_ONE;
6940         }
6941         else if (t->currentmaterialflags & MATERIALFLAG_ALPHA)
6942         {
6943                 t->currentblendfunc[0] = GL_SRC_ALPHA;
6944                 t->currentblendfunc[1] = GL_ONE_MINUS_SRC_ALPHA;
6945         }
6946         else if (t->currentmaterialflags & MATERIALFLAG_CUSTOMBLEND)
6947         {
6948                 t->currentblendfunc[0] = t->customblendfunc[0];
6949                 t->currentblendfunc[1] = t->customblendfunc[1];
6950         }
6951
6952         return t;
6953 }
6954
6955 rsurfacestate_t rsurface;
6956
6957 void RSurf_ActiveModelEntity(const entity_render_t *ent, qbool wantnormals, qbool wanttangents, qbool prepass)
6958 {
6959         model_t *model = ent->model;
6960         //if (rsurface.entity == ent && (!model->surfmesh.isanimated || (!wantnormals && !wanttangents)))
6961         //      return;
6962         rsurface.entity = (entity_render_t *)ent;
6963         rsurface.skeleton = ent->skeleton;
6964         memcpy(rsurface.userwavefunc_param, ent->userwavefunc_param, sizeof(rsurface.userwavefunc_param));
6965         rsurface.ent_skinnum = ent->skinnum;
6966         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;
6967         rsurface.ent_flags = ent->flags;
6968         if (r_fullbright_directed.integer && (r_fullbright.integer || !model->lit))
6969                 rsurface.ent_flags |= RENDER_LIGHT | RENDER_DYNAMICMODELLIGHT;
6970         rsurface.shadertime = r_refdef.scene.time - ent->shadertime;
6971         rsurface.matrix = ent->matrix;
6972         rsurface.inversematrix = ent->inversematrix;
6973         rsurface.matrixscale = Matrix4x4_ScaleFromMatrix(&rsurface.matrix);
6974         rsurface.inversematrixscale = 1.0f / rsurface.matrixscale;
6975         R_EntityMatrix(&rsurface.matrix);
6976         Matrix4x4_Transform(&rsurface.inversematrix, r_refdef.view.origin, rsurface.localvieworigin);
6977         Matrix4x4_TransformStandardPlane(&rsurface.inversematrix, r_refdef.fogplane[0], r_refdef.fogplane[1], r_refdef.fogplane[2], r_refdef.fogplane[3], rsurface.fogplane);
6978         rsurface.fogplaneviewdist = r_refdef.fogplaneviewdist * rsurface.inversematrixscale;
6979         rsurface.fograngerecip = r_refdef.fograngerecip * rsurface.matrixscale;
6980         rsurface.fogheightfade = r_refdef.fogheightfade * rsurface.matrixscale;
6981         rsurface.fogmasktabledistmultiplier = FOGMASKTABLEWIDTH * rsurface.fograngerecip;
6982         memcpy(rsurface.frameblend, ent->frameblend, sizeof(ent->frameblend));
6983         rsurface.ent_alttextures = ent->framegroupblend[0].frame != 0;
6984         rsurface.basepolygonfactor = r_refdef.polygonfactor;
6985         rsurface.basepolygonoffset = r_refdef.polygonoffset;
6986         if (ent->model->brush.submodel && !prepass)
6987         {
6988                 rsurface.basepolygonfactor += r_polygonoffset_submodel_factor.value;
6989                 rsurface.basepolygonoffset += r_polygonoffset_submodel_offset.value;
6990         }
6991         // if the animcache code decided it should use the shader path, skip the deform step
6992         rsurface.entityskeletaltransform3x4 = ent->animcache_skeletaltransform3x4;
6993         rsurface.entityskeletaltransform3x4buffer = ent->animcache_skeletaltransform3x4buffer;
6994         rsurface.entityskeletaltransform3x4offset = ent->animcache_skeletaltransform3x4offset;
6995         rsurface.entityskeletaltransform3x4size = ent->animcache_skeletaltransform3x4size;
6996         rsurface.entityskeletalnumtransforms = rsurface.entityskeletaltransform3x4 ? model->num_bones : 0;
6997         if (model->surfmesh.isanimated && model->AnimateVertices && !rsurface.entityskeletaltransform3x4)
6998         {
6999                 if (ent->animcache_vertex3f)
7000                 {
7001                         r_refdef.stats[r_stat_batch_entitycache_count]++;
7002                         r_refdef.stats[r_stat_batch_entitycache_surfaces] += model->num_surfaces;
7003                         r_refdef.stats[r_stat_batch_entitycache_vertices] += model->surfmesh.num_vertices;
7004                         r_refdef.stats[r_stat_batch_entitycache_triangles] += model->surfmesh.num_triangles;
7005                         rsurface.modelvertex3f = ent->animcache_vertex3f;
7006                         rsurface.modelvertex3f_vertexbuffer = ent->animcache_vertex3f_vertexbuffer;
7007                         rsurface.modelvertex3f_bufferoffset = ent->animcache_vertex3f_bufferoffset;
7008                         rsurface.modelsvector3f = wanttangents ? ent->animcache_svector3f : NULL;
7009                         rsurface.modelsvector3f_vertexbuffer = wanttangents ? ent->animcache_svector3f_vertexbuffer : NULL;
7010                         rsurface.modelsvector3f_bufferoffset = wanttangents ? ent->animcache_svector3f_bufferoffset : 0;
7011                         rsurface.modeltvector3f = wanttangents ? ent->animcache_tvector3f : NULL;
7012                         rsurface.modeltvector3f_vertexbuffer = wanttangents ? ent->animcache_tvector3f_vertexbuffer : NULL;
7013                         rsurface.modeltvector3f_bufferoffset = wanttangents ? ent->animcache_tvector3f_bufferoffset : 0;
7014                         rsurface.modelnormal3f = wantnormals ? ent->animcache_normal3f : NULL;
7015                         rsurface.modelnormal3f_vertexbuffer = wantnormals ? ent->animcache_normal3f_vertexbuffer : NULL;
7016                         rsurface.modelnormal3f_bufferoffset = wantnormals ? ent->animcache_normal3f_bufferoffset : 0;
7017                 }
7018                 else if (wanttangents)
7019                 {
7020                         r_refdef.stats[r_stat_batch_entityanimate_count]++;
7021                         r_refdef.stats[r_stat_batch_entityanimate_surfaces] += model->num_surfaces;
7022                         r_refdef.stats[r_stat_batch_entityanimate_vertices] += model->surfmesh.num_vertices;
7023                         r_refdef.stats[r_stat_batch_entityanimate_triangles] += model->surfmesh.num_triangles;
7024                         rsurface.modelvertex3f = (float *)R_FrameData_Alloc(model->surfmesh.num_vertices * sizeof(float[3]));
7025                         rsurface.modelsvector3f = (float *)R_FrameData_Alloc(model->surfmesh.num_vertices * sizeof(float[3]));
7026                         rsurface.modeltvector3f = (float *)R_FrameData_Alloc(model->surfmesh.num_vertices * sizeof(float[3]));
7027                         rsurface.modelnormal3f = (float *)R_FrameData_Alloc(model->surfmesh.num_vertices * sizeof(float[3]));
7028                         model->AnimateVertices(model, rsurface.frameblend, rsurface.skeleton, rsurface.modelvertex3f, rsurface.modelnormal3f, rsurface.modelsvector3f, rsurface.modeltvector3f);
7029                         rsurface.modelvertex3f_vertexbuffer = NULL;
7030                         rsurface.modelvertex3f_bufferoffset = 0;
7031                         rsurface.modelvertex3f_vertexbuffer = 0;
7032                         rsurface.modelvertex3f_bufferoffset = 0;
7033                         rsurface.modelsvector3f_vertexbuffer = 0;
7034                         rsurface.modelsvector3f_bufferoffset = 0;
7035                         rsurface.modeltvector3f_vertexbuffer = 0;
7036                         rsurface.modeltvector3f_bufferoffset = 0;
7037                         rsurface.modelnormal3f_vertexbuffer = 0;
7038                         rsurface.modelnormal3f_bufferoffset = 0;
7039                 }
7040                 else if (wantnormals)
7041                 {
7042                         r_refdef.stats[r_stat_batch_entityanimate_count]++;
7043                         r_refdef.stats[r_stat_batch_entityanimate_surfaces] += model->num_surfaces;
7044                         r_refdef.stats[r_stat_batch_entityanimate_vertices] += model->surfmesh.num_vertices;
7045                         r_refdef.stats[r_stat_batch_entityanimate_triangles] += model->surfmesh.num_triangles;
7046                         rsurface.modelvertex3f = (float *)R_FrameData_Alloc(model->surfmesh.num_vertices * sizeof(float[3]));
7047                         rsurface.modelsvector3f = NULL;
7048                         rsurface.modeltvector3f = NULL;
7049                         rsurface.modelnormal3f = (float *)R_FrameData_Alloc(model->surfmesh.num_vertices * sizeof(float[3]));
7050                         model->AnimateVertices(model, rsurface.frameblend, rsurface.skeleton, rsurface.modelvertex3f, rsurface.modelnormal3f, NULL, NULL);
7051                         rsurface.modelvertex3f_vertexbuffer = NULL;
7052                         rsurface.modelvertex3f_bufferoffset = 0;
7053                         rsurface.modelvertex3f_vertexbuffer = 0;
7054                         rsurface.modelvertex3f_bufferoffset = 0;
7055                         rsurface.modelsvector3f_vertexbuffer = 0;
7056                         rsurface.modelsvector3f_bufferoffset = 0;
7057                         rsurface.modeltvector3f_vertexbuffer = 0;
7058                         rsurface.modeltvector3f_bufferoffset = 0;
7059                         rsurface.modelnormal3f_vertexbuffer = 0;
7060                         rsurface.modelnormal3f_bufferoffset = 0;
7061                 }
7062                 else
7063                 {
7064                         r_refdef.stats[r_stat_batch_entityanimate_count]++;
7065                         r_refdef.stats[r_stat_batch_entityanimate_surfaces] += model->num_surfaces;
7066                         r_refdef.stats[r_stat_batch_entityanimate_vertices] += model->surfmesh.num_vertices;
7067                         r_refdef.stats[r_stat_batch_entityanimate_triangles] += model->surfmesh.num_triangles;
7068                         rsurface.modelvertex3f = (float *)R_FrameData_Alloc(model->surfmesh.num_vertices * sizeof(float[3]));
7069                         rsurface.modelsvector3f = NULL;
7070                         rsurface.modeltvector3f = NULL;
7071                         rsurface.modelnormal3f = NULL;
7072                         model->AnimateVertices(model, rsurface.frameblend, rsurface.skeleton, rsurface.modelvertex3f, NULL, NULL, NULL);
7073                         rsurface.modelvertex3f_vertexbuffer = NULL;
7074                         rsurface.modelvertex3f_bufferoffset = 0;
7075                         rsurface.modelvertex3f_vertexbuffer = 0;
7076                         rsurface.modelvertex3f_bufferoffset = 0;
7077                         rsurface.modelsvector3f_vertexbuffer = 0;
7078                         rsurface.modelsvector3f_bufferoffset = 0;
7079                         rsurface.modeltvector3f_vertexbuffer = 0;
7080                         rsurface.modeltvector3f_bufferoffset = 0;
7081                         rsurface.modelnormal3f_vertexbuffer = 0;
7082                         rsurface.modelnormal3f_bufferoffset = 0;
7083                 }
7084                 rsurface.modelgeneratedvertex = true;
7085         }
7086         else
7087         {
7088                 if (rsurface.entityskeletaltransform3x4)
7089                 {
7090                         r_refdef.stats[r_stat_batch_entityskeletal_count]++;
7091                         r_refdef.stats[r_stat_batch_entityskeletal_surfaces] += model->num_surfaces;
7092                         r_refdef.stats[r_stat_batch_entityskeletal_vertices] += model->surfmesh.num_vertices;
7093                         r_refdef.stats[r_stat_batch_entityskeletal_triangles] += model->surfmesh.num_triangles;
7094                 }
7095                 else
7096                 {
7097                         r_refdef.stats[r_stat_batch_entitystatic_count]++;
7098                         r_refdef.stats[r_stat_batch_entitystatic_surfaces] += model->num_surfaces;
7099                         r_refdef.stats[r_stat_batch_entitystatic_vertices] += model->surfmesh.num_vertices;
7100                         r_refdef.stats[r_stat_batch_entitystatic_triangles] += model->surfmesh.num_triangles;
7101                 }
7102                 rsurface.modelvertex3f  = model->surfmesh.data_vertex3f;
7103                 rsurface.modelvertex3f_vertexbuffer = model->surfmesh.data_vertex3f_vertexbuffer;
7104                 rsurface.modelvertex3f_bufferoffset = model->surfmesh.data_vertex3f_bufferoffset;
7105                 rsurface.modelsvector3f = model->surfmesh.data_svector3f;
7106                 rsurface.modelsvector3f_vertexbuffer = model->surfmesh.data_svector3f_vertexbuffer;
7107                 rsurface.modelsvector3f_bufferoffset = model->surfmesh.data_svector3f_bufferoffset;
7108                 rsurface.modeltvector3f = model->surfmesh.data_tvector3f;
7109                 rsurface.modeltvector3f_vertexbuffer = model->surfmesh.data_tvector3f_vertexbuffer;
7110                 rsurface.modeltvector3f_bufferoffset = model->surfmesh.data_tvector3f_bufferoffset;
7111                 rsurface.modelnormal3f  = model->surfmesh.data_normal3f;
7112                 rsurface.modelnormal3f_vertexbuffer = model->surfmesh.data_normal3f_vertexbuffer;
7113                 rsurface.modelnormal3f_bufferoffset = model->surfmesh.data_normal3f_bufferoffset;
7114                 rsurface.modelgeneratedvertex = false;
7115         }
7116         rsurface.modellightmapcolor4f  = model->surfmesh.data_lightmapcolor4f;
7117         rsurface.modellightmapcolor4f_vertexbuffer = model->surfmesh.data_lightmapcolor4f_vertexbuffer;
7118         rsurface.modellightmapcolor4f_bufferoffset = model->surfmesh.data_lightmapcolor4f_bufferoffset;
7119         rsurface.modeltexcoordtexture2f  = model->surfmesh.data_texcoordtexture2f;
7120         rsurface.modeltexcoordtexture2f_vertexbuffer = model->surfmesh.data_texcoordtexture2f_vertexbuffer;
7121         rsurface.modeltexcoordtexture2f_bufferoffset = model->surfmesh.data_texcoordtexture2f_bufferoffset;
7122         rsurface.modeltexcoordlightmap2f  = model->surfmesh.data_texcoordlightmap2f;
7123         rsurface.modeltexcoordlightmap2f_vertexbuffer = model->surfmesh.data_texcoordlightmap2f_vertexbuffer;
7124         rsurface.modeltexcoordlightmap2f_bufferoffset = model->surfmesh.data_texcoordlightmap2f_bufferoffset;
7125         rsurface.modelskeletalindex4ub = model->surfmesh.data_skeletalindex4ub;
7126         rsurface.modelskeletalindex4ub_vertexbuffer = model->surfmesh.data_skeletalindex4ub_vertexbuffer;
7127         rsurface.modelskeletalindex4ub_bufferoffset = model->surfmesh.data_skeletalindex4ub_bufferoffset;
7128         rsurface.modelskeletalweight4ub = model->surfmesh.data_skeletalweight4ub;
7129         rsurface.modelskeletalweight4ub_vertexbuffer = model->surfmesh.data_skeletalweight4ub_vertexbuffer;
7130         rsurface.modelskeletalweight4ub_bufferoffset = model->surfmesh.data_skeletalweight4ub_bufferoffset;
7131         rsurface.modelelement3i = model->surfmesh.data_element3i;
7132         rsurface.modelelement3i_indexbuffer = model->surfmesh.data_element3i_indexbuffer;
7133         rsurface.modelelement3i_bufferoffset = model->surfmesh.data_element3i_bufferoffset;
7134         rsurface.modelelement3s = model->surfmesh.data_element3s;
7135         rsurface.modelelement3s_indexbuffer = model->surfmesh.data_element3s_indexbuffer;
7136         rsurface.modelelement3s_bufferoffset = model->surfmesh.data_element3s_bufferoffset;
7137         rsurface.modellightmapoffsets = model->surfmesh.data_lightmapoffsets;
7138         rsurface.modelnumvertices = model->surfmesh.num_vertices;
7139         rsurface.modelnumtriangles = model->surfmesh.num_triangles;
7140         rsurface.modelsurfaces = model->data_surfaces;
7141         rsurface.batchgeneratedvertex = false;
7142         rsurface.batchfirstvertex = 0;
7143         rsurface.batchnumvertices = 0;
7144         rsurface.batchfirsttriangle = 0;
7145         rsurface.batchnumtriangles = 0;
7146         rsurface.batchvertex3f  = NULL;
7147         rsurface.batchvertex3f_vertexbuffer = NULL;
7148         rsurface.batchvertex3f_bufferoffset = 0;
7149         rsurface.batchsvector3f = NULL;
7150         rsurface.batchsvector3f_vertexbuffer = NULL;
7151         rsurface.batchsvector3f_bufferoffset = 0;
7152         rsurface.batchtvector3f = NULL;
7153         rsurface.batchtvector3f_vertexbuffer = NULL;
7154         rsurface.batchtvector3f_bufferoffset = 0;
7155         rsurface.batchnormal3f  = NULL;
7156         rsurface.batchnormal3f_vertexbuffer = NULL;
7157         rsurface.batchnormal3f_bufferoffset = 0;
7158         rsurface.batchlightmapcolor4f = NULL;
7159         rsurface.batchlightmapcolor4f_vertexbuffer = NULL;
7160         rsurface.batchlightmapcolor4f_bufferoffset = 0;
7161         rsurface.batchtexcoordtexture2f = NULL;
7162         rsurface.batchtexcoordtexture2f_vertexbuffer = NULL;
7163         rsurface.batchtexcoordtexture2f_bufferoffset = 0;
7164         rsurface.batchtexcoordlightmap2f = NULL;
7165         rsurface.batchtexcoordlightmap2f_vertexbuffer = NULL;
7166         rsurface.batchtexcoordlightmap2f_bufferoffset = 0;
7167         rsurface.batchskeletalindex4ub = NULL;
7168         rsurface.batchskeletalindex4ub_vertexbuffer = NULL;
7169         rsurface.batchskeletalindex4ub_bufferoffset = 0;
7170         rsurface.batchskeletalweight4ub = NULL;
7171         rsurface.batchskeletalweight4ub_vertexbuffer = NULL;
7172         rsurface.batchskeletalweight4ub_bufferoffset = 0;
7173         rsurface.batchelement3i = NULL;
7174         rsurface.batchelement3i_indexbuffer = NULL;
7175         rsurface.batchelement3i_bufferoffset = 0;
7176         rsurface.batchelement3s = NULL;
7177         rsurface.batchelement3s_indexbuffer = NULL;
7178         rsurface.batchelement3s_bufferoffset = 0;
7179         rsurface.forcecurrenttextureupdate = false;
7180 }
7181
7182 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, qbool wantnormals, qbool wanttangents)
7183 {
7184         rsurface.entity = r_refdef.scene.worldentity;
7185         if (r != 1.0f || g != 1.0f || b != 1.0f || a != 1.0f) {
7186                 // HACK to provide a valid entity with modded colors to R_GetCurrentTexture.
7187                 // A better approach could be making this copy only once per frame.
7188                 static entity_render_t custom_entity;
7189                 int q;
7190                 custom_entity = *rsurface.entity;
7191                 for (q = 0; q < 3; ++q) {
7192                         float colormod = q == 0 ? r : q == 1 ? g : b;
7193                         custom_entity.render_fullbright[q] *= colormod;
7194                         custom_entity.render_modellight_ambient[q] *= colormod;
7195                         custom_entity.render_modellight_diffuse[q] *= colormod;
7196                         custom_entity.render_lightmap_ambient[q] *= colormod;
7197                         custom_entity.render_lightmap_diffuse[q] *= colormod;
7198                         custom_entity.render_rtlight_diffuse[q] *= colormod;
7199                 }
7200                 custom_entity.alpha *= a;
7201                 rsurface.entity = &custom_entity;
7202         }
7203         rsurface.skeleton = NULL;
7204         rsurface.ent_skinnum = 0;
7205         rsurface.ent_qwskin = -1;
7206         rsurface.ent_flags = entflags;
7207         rsurface.shadertime = r_refdef.scene.time - shadertime;
7208         rsurface.modelnumvertices = numvertices;
7209         rsurface.modelnumtriangles = numtriangles;
7210         rsurface.matrix = *matrix;
7211         rsurface.inversematrix = *inversematrix;
7212         rsurface.matrixscale = Matrix4x4_ScaleFromMatrix(&rsurface.matrix);
7213         rsurface.inversematrixscale = 1.0f / rsurface.matrixscale;
7214         R_EntityMatrix(&rsurface.matrix);
7215         Matrix4x4_Transform(&rsurface.inversematrix, r_refdef.view.origin, rsurface.localvieworigin);
7216         Matrix4x4_TransformStandardPlane(&rsurface.inversematrix, r_refdef.fogplane[0], r_refdef.fogplane[1], r_refdef.fogplane[2], r_refdef.fogplane[3], rsurface.fogplane);
7217         rsurface.fogplaneviewdist *= rsurface.inversematrixscale;
7218         rsurface.fograngerecip = r_refdef.fograngerecip * rsurface.matrixscale;
7219         rsurface.fogheightfade = r_refdef.fogheightfade * rsurface.matrixscale;
7220         rsurface.fogmasktabledistmultiplier = FOGMASKTABLEWIDTH * rsurface.fograngerecip;
7221         memset(rsurface.frameblend, 0, sizeof(rsurface.frameblend));
7222         rsurface.frameblend[0].lerp = 1;
7223         rsurface.ent_alttextures = false;
7224         rsurface.basepolygonfactor = r_refdef.polygonfactor;
7225         rsurface.basepolygonoffset = r_refdef.polygonoffset;
7226         rsurface.entityskeletaltransform3x4 = NULL;
7227         rsurface.entityskeletaltransform3x4buffer = NULL;
7228         rsurface.entityskeletaltransform3x4offset = 0;
7229         rsurface.entityskeletaltransform3x4size = 0;
7230         rsurface.entityskeletalnumtransforms = 0;
7231         r_refdef.stats[r_stat_batch_entitycustom_count]++;
7232         r_refdef.stats[r_stat_batch_entitycustom_surfaces] += 1;
7233         r_refdef.stats[r_stat_batch_entitycustom_vertices] += rsurface.modelnumvertices;
7234         r_refdef.stats[r_stat_batch_entitycustom_triangles] += rsurface.modelnumtriangles;
7235         if (wanttangents)
7236         {
7237                 rsurface.modelvertex3f = (float *)vertex3f;
7238                 rsurface.modelsvector3f = svector3f ? (float *)svector3f : (float *)R_FrameData_Alloc(rsurface.modelnumvertices * sizeof(float[3]));
7239                 rsurface.modeltvector3f = tvector3f ? (float *)tvector3f : (float *)R_FrameData_Alloc(rsurface.modelnumvertices * sizeof(float[3]));
7240                 rsurface.modelnormal3f = normal3f ? (float *)normal3f : (float *)R_FrameData_Alloc(rsurface.modelnumvertices * sizeof(float[3]));
7241         }
7242         else if (wantnormals)
7243         {
7244                 rsurface.modelvertex3f = (float *)vertex3f;
7245                 rsurface.modelsvector3f = NULL;
7246                 rsurface.modeltvector3f = NULL;
7247                 rsurface.modelnormal3f = normal3f ? (float *)normal3f : (float *)R_FrameData_Alloc(rsurface.modelnumvertices * sizeof(float[3]));
7248         }
7249         else
7250         {
7251                 rsurface.modelvertex3f = (float *)vertex3f;
7252                 rsurface.modelsvector3f = NULL;
7253                 rsurface.modeltvector3f = NULL;
7254                 rsurface.modelnormal3f = NULL;
7255         }
7256         rsurface.modelvertex3f_vertexbuffer = 0;
7257         rsurface.modelvertex3f_bufferoffset = 0;
7258         rsurface.modelsvector3f_vertexbuffer = 0;
7259         rsurface.modelsvector3f_bufferoffset = 0;
7260         rsurface.modeltvector3f_vertexbuffer = 0;
7261         rsurface.modeltvector3f_bufferoffset = 0;
7262         rsurface.modelnormal3f_vertexbuffer = 0;
7263         rsurface.modelnormal3f_bufferoffset = 0;
7264         rsurface.modelgeneratedvertex = true;
7265         rsurface.modellightmapcolor4f  = (float *)color4f;
7266         rsurface.modellightmapcolor4f_vertexbuffer = 0;
7267         rsurface.modellightmapcolor4f_bufferoffset = 0;
7268         rsurface.modeltexcoordtexture2f  = (float *)texcoord2f;
7269         rsurface.modeltexcoordtexture2f_vertexbuffer = 0;
7270         rsurface.modeltexcoordtexture2f_bufferoffset = 0;
7271         rsurface.modeltexcoordlightmap2f  = NULL;
7272         rsurface.modeltexcoordlightmap2f_vertexbuffer = 0;
7273         rsurface.modeltexcoordlightmap2f_bufferoffset = 0;
7274         rsurface.modelskeletalindex4ub = NULL;
7275         rsurface.modelskeletalindex4ub_vertexbuffer = NULL;
7276         rsurface.modelskeletalindex4ub_bufferoffset = 0;
7277         rsurface.modelskeletalweight4ub = NULL;
7278         rsurface.modelskeletalweight4ub_vertexbuffer = NULL;
7279         rsurface.modelskeletalweight4ub_bufferoffset = 0;
7280         rsurface.modelelement3i = (int *)element3i;
7281         rsurface.modelelement3i_indexbuffer = NULL;
7282         rsurface.modelelement3i_bufferoffset = 0;
7283         rsurface.modelelement3s = (unsigned short *)element3s;
7284         rsurface.modelelement3s_indexbuffer = NULL;
7285         rsurface.modelelement3s_bufferoffset = 0;
7286         rsurface.modellightmapoffsets = NULL;
7287         rsurface.modelsurfaces = NULL;
7288         rsurface.batchgeneratedvertex = false;
7289         rsurface.batchfirstvertex = 0;
7290         rsurface.batchnumvertices = 0;
7291         rsurface.batchfirsttriangle = 0;
7292         rsurface.batchnumtriangles = 0;
7293         rsurface.batchvertex3f  = NULL;
7294         rsurface.batchvertex3f_vertexbuffer = NULL;
7295         rsurface.batchvertex3f_bufferoffset = 0;
7296         rsurface.batchsvector3f = NULL;
7297         rsurface.batchsvector3f_vertexbuffer = NULL;
7298         rsurface.batchsvector3f_bufferoffset = 0;
7299         rsurface.batchtvector3f = NULL;
7300         rsurface.batchtvector3f_vertexbuffer = NULL;
7301         rsurface.batchtvector3f_bufferoffset = 0;
7302         rsurface.batchnormal3f  = NULL;
7303         rsurface.batchnormal3f_vertexbuffer = NULL;
7304         rsurface.batchnormal3f_bufferoffset = 0;
7305         rsurface.batchlightmapcolor4f = NULL;
7306         rsurface.batchlightmapcolor4f_vertexbuffer = NULL;
7307         rsurface.batchlightmapcolor4f_bufferoffset = 0;
7308         rsurface.batchtexcoordtexture2f = NULL;
7309         rsurface.batchtexcoordtexture2f_vertexbuffer = NULL;
7310         rsurface.batchtexcoordtexture2f_bufferoffset = 0;
7311         rsurface.batchtexcoordlightmap2f = NULL;
7312         rsurface.batchtexcoordlightmap2f_vertexbuffer = NULL;
7313         rsurface.batchtexcoordlightmap2f_bufferoffset = 0;
7314         rsurface.batchskeletalindex4ub = NULL;
7315         rsurface.batchskeletalindex4ub_vertexbuffer = NULL;
7316         rsurface.batchskeletalindex4ub_bufferoffset = 0;
7317         rsurface.batchskeletalweight4ub = NULL;
7318         rsurface.batchskeletalweight4ub_vertexbuffer = NULL;
7319         rsurface.batchskeletalweight4ub_bufferoffset = 0;
7320         rsurface.batchelement3i = NULL;
7321         rsurface.batchelement3i_indexbuffer = NULL;
7322         rsurface.batchelement3i_bufferoffset = 0;
7323         rsurface.batchelement3s = NULL;
7324         rsurface.batchelement3s_indexbuffer = NULL;
7325         rsurface.batchelement3s_bufferoffset = 0;
7326         rsurface.forcecurrenttextureupdate = true;
7327
7328         if (rsurface.modelnumvertices && rsurface.modelelement3i)
7329         {
7330                 if ((wantnormals || wanttangents) && !normal3f)
7331                 {
7332                         rsurface.modelnormal3f = (float *)R_FrameData_Alloc(rsurface.modelnumvertices * sizeof(float[3]));
7333                         Mod_BuildNormals(0, rsurface.modelnumvertices, rsurface.modelnumtriangles, rsurface.modelvertex3f, rsurface.modelelement3i, rsurface.modelnormal3f, r_smoothnormals_areaweighting.integer != 0);
7334                 }
7335                 if (wanttangents && !svector3f)
7336                 {
7337                         rsurface.modelsvector3f = (float *)R_FrameData_Alloc(rsurface.modelnumvertices * sizeof(float[3]));
7338                         rsurface.modeltvector3f = (float *)R_FrameData_Alloc(rsurface.modelnumvertices * sizeof(float[3]));
7339                         Mod_BuildTextureVectorsFromNormals(0, rsurface.modelnumvertices, rsurface.modelnumtriangles, rsurface.modelvertex3f, rsurface.modeltexcoordtexture2f, rsurface.modelnormal3f, rsurface.modelelement3i, rsurface.modelsvector3f, rsurface.modeltvector3f, r_smoothnormals_areaweighting.integer != 0);
7340                 }
7341         }
7342 }
7343
7344 float RSurf_FogPoint(const float *v)
7345 {
7346         // this code is identical to the USEFOGINSIDE/USEFOGOUTSIDE code in the shader
7347         float FogPlaneViewDist = r_refdef.fogplaneviewdist;
7348         float FogPlaneVertexDist = DotProduct(r_refdef.fogplane, v) + r_refdef.fogplane[3];
7349         float FogHeightFade = r_refdef.fogheightfade;
7350         float fogfrac;
7351         unsigned int fogmasktableindex;
7352         if (r_refdef.fogplaneviewabove)
7353                 fogfrac = min(0.0f, FogPlaneVertexDist) / (FogPlaneVertexDist - FogPlaneViewDist) * min(1.0f, min(0.0f, FogPlaneVertexDist) * FogHeightFade);
7354         else
7355                 fogfrac = FogPlaneViewDist / (FogPlaneViewDist - max(0.0f, FogPlaneVertexDist)) * min(1.0f, (min(0.0f, FogPlaneVertexDist) + FogPlaneViewDist) * FogHeightFade);
7356         fogmasktableindex = (unsigned int)(VectorDistance(r_refdef.view.origin, v) * fogfrac * r_refdef.fogmasktabledistmultiplier);
7357         return r_refdef.fogmasktable[min(fogmasktableindex, FOGMASKTABLEWIDTH - 1)];
7358 }
7359
7360 float RSurf_FogVertex(const float *v)
7361 {
7362         // this code is identical to the USEFOGINSIDE/USEFOGOUTSIDE code in the shader
7363         float FogPlaneViewDist = rsurface.fogplaneviewdist;
7364         float FogPlaneVertexDist = DotProduct(rsurface.fogplane, v) + rsurface.fogplane[3];
7365         float FogHeightFade = rsurface.fogheightfade;
7366         float fogfrac;
7367         unsigned int fogmasktableindex;
7368         if (r_refdef.fogplaneviewabove)
7369                 fogfrac = min(0.0f, FogPlaneVertexDist) / (FogPlaneVertexDist - FogPlaneViewDist) * min(1.0f, min(0.0f, FogPlaneVertexDist) * FogHeightFade);
7370         else
7371                 fogfrac = FogPlaneViewDist / (FogPlaneViewDist - max(0.0f, FogPlaneVertexDist)) * min(1.0f, (min(0.0f, FogPlaneVertexDist) + FogPlaneViewDist) * FogHeightFade);
7372         fogmasktableindex = (unsigned int)(VectorDistance(rsurface.localvieworigin, v) * fogfrac * rsurface.fogmasktabledistmultiplier);
7373         return r_refdef.fogmasktable[min(fogmasktableindex, FOGMASKTABLEWIDTH - 1)];
7374 }
7375
7376 void RSurf_UploadBuffersForBatch(void)
7377 {
7378         // upload buffer data for generated vertex data (dynamicvertex case) or index data (copytriangles case) and models that lack it to begin with (e.g. DrawQ_FlushUI)
7379         // note that if rsurface.batchvertex3f_vertexbuffer is NULL, dynamicvertex is forced as we don't account for the proper base vertex here.
7380         if (rsurface.batchvertex3f && !rsurface.batchvertex3f_vertexbuffer)
7381                 rsurface.batchvertex3f_vertexbuffer = R_BufferData_Store(rsurface.batchnumvertices * sizeof(float[3]), rsurface.batchvertex3f, R_BUFFERDATA_VERTEX, &rsurface.batchvertex3f_bufferoffset);
7382         if (rsurface.batchsvector3f && !rsurface.batchsvector3f_vertexbuffer)
7383                 rsurface.batchsvector3f_vertexbuffer = R_BufferData_Store(rsurface.batchnumvertices * sizeof(float[3]), rsurface.batchsvector3f, R_BUFFERDATA_VERTEX, &rsurface.batchsvector3f_bufferoffset);
7384         if (rsurface.batchtvector3f && !rsurface.batchtvector3f_vertexbuffer)
7385                 rsurface.batchtvector3f_vertexbuffer = R_BufferData_Store(rsurface.batchnumvertices * sizeof(float[3]), rsurface.batchtvector3f, R_BUFFERDATA_VERTEX, &rsurface.batchtvector3f_bufferoffset);
7386         if (rsurface.batchnormal3f && !rsurface.batchnormal3f_vertexbuffer)
7387                 rsurface.batchnormal3f_vertexbuffer = R_BufferData_Store(rsurface.batchnumvertices * sizeof(float[3]), rsurface.batchnormal3f, R_BUFFERDATA_VERTEX, &rsurface.batchnormal3f_bufferoffset);
7388         if (rsurface.batchlightmapcolor4f && !rsurface.batchlightmapcolor4f_vertexbuffer)
7389                 rsurface.batchlightmapcolor4f_vertexbuffer = R_BufferData_Store(rsurface.batchnumvertices * sizeof(float[4]), rsurface.batchlightmapcolor4f, R_BUFFERDATA_VERTEX, &rsurface.batchlightmapcolor4f_bufferoffset);
7390         if (rsurface.batchtexcoordtexture2f && !rsurface.batchtexcoordtexture2f_vertexbuffer)
7391                 rsurface.batchtexcoordtexture2f_vertexbuffer = R_BufferData_Store(rsurface.batchnumvertices * sizeof(float[2]), rsurface.batchtexcoordtexture2f, R_BUFFERDATA_VERTEX, &rsurface.batchtexcoordtexture2f_bufferoffset);
7392         if (rsurface.batchtexcoordlightmap2f && !rsurface.batchtexcoordlightmap2f_vertexbuffer)
7393                 rsurface.batchtexcoordlightmap2f_vertexbuffer = R_BufferData_Store(rsurface.batchnumvertices * sizeof(float[2]), rsurface.batchtexcoordlightmap2f, R_BUFFERDATA_VERTEX, &rsurface.batchtexcoordlightmap2f_bufferoffset);
7394         if (rsurface.batchskeletalindex4ub && !rsurface.batchskeletalindex4ub_vertexbuffer)
7395                 rsurface.batchskeletalindex4ub_vertexbuffer = R_BufferData_Store(rsurface.batchnumvertices * sizeof(unsigned char[4]), rsurface.batchskeletalindex4ub, R_BUFFERDATA_VERTEX, &rsurface.batchskeletalindex4ub_bufferoffset);
7396         if (rsurface.batchskeletalweight4ub && !rsurface.batchskeletalweight4ub_vertexbuffer)
7397                 rsurface.batchskeletalweight4ub_vertexbuffer = R_BufferData_Store(rsurface.batchnumvertices * sizeof(unsigned char[4]), rsurface.batchskeletalweight4ub, R_BUFFERDATA_VERTEX, &rsurface.batchskeletalweight4ub_bufferoffset);
7398
7399         if (rsurface.batchelement3s && !rsurface.batchelement3s_indexbuffer)
7400                 rsurface.batchelement3s_indexbuffer = R_BufferData_Store(rsurface.batchnumtriangles * sizeof(short[3]), rsurface.batchelement3s, R_BUFFERDATA_INDEX16, &rsurface.batchelement3s_bufferoffset);
7401         else if (rsurface.batchelement3i && !rsurface.batchelement3i_indexbuffer)
7402                 rsurface.batchelement3i_indexbuffer = R_BufferData_Store(rsurface.batchnumtriangles * sizeof(int[3]), rsurface.batchelement3i, R_BUFFERDATA_INDEX32, &rsurface.batchelement3i_bufferoffset);
7403
7404         R_Mesh_VertexPointer(     3, GL_FLOAT, sizeof(float[3]), rsurface.batchvertex3f, rsurface.batchvertex3f_vertexbuffer, rsurface.batchvertex3f_bufferoffset);
7405         R_Mesh_ColorPointer(      4, GL_FLOAT, sizeof(float[4]), rsurface.batchlightmapcolor4f, rsurface.batchlightmapcolor4f_vertexbuffer, rsurface.batchlightmapcolor4f_bufferoffset);
7406         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), rsurface.batchtexcoordtexture2f, rsurface.batchtexcoordtexture2f_vertexbuffer, rsurface.batchtexcoordtexture2f_bufferoffset);
7407         R_Mesh_TexCoordPointer(1, 3, GL_FLOAT, sizeof(float[3]), rsurface.batchsvector3f, rsurface.batchsvector3f_vertexbuffer, rsurface.batchsvector3f_bufferoffset);
7408         R_Mesh_TexCoordPointer(2, 3, GL_FLOAT, sizeof(float[3]), rsurface.batchtvector3f, rsurface.batchtvector3f_vertexbuffer, rsurface.batchtvector3f_bufferoffset);
7409         R_Mesh_TexCoordPointer(3, 3, GL_FLOAT, sizeof(float[3]), rsurface.batchnormal3f, rsurface.batchnormal3f_vertexbuffer, rsurface.batchnormal3f_bufferoffset);
7410         R_Mesh_TexCoordPointer(4, 2, GL_FLOAT, sizeof(float[2]), rsurface.batchtexcoordlightmap2f, rsurface.batchtexcoordlightmap2f_vertexbuffer, rsurface.batchtexcoordlightmap2f_bufferoffset);
7411         R_Mesh_TexCoordPointer(5, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
7412         R_Mesh_TexCoordPointer(6, 4, GL_UNSIGNED_BYTE | 0x80000000, sizeof(unsigned char[4]), rsurface.batchskeletalindex4ub, rsurface.batchskeletalindex4ub_vertexbuffer, rsurface.batchskeletalindex4ub_bufferoffset);
7413         R_Mesh_TexCoordPointer(7, 4, GL_UNSIGNED_BYTE, sizeof(unsigned char[4]), rsurface.batchskeletalweight4ub, rsurface.batchskeletalweight4ub_vertexbuffer, rsurface.batchskeletalweight4ub_bufferoffset);
7414 }
7415
7416 static void RSurf_RenumberElements(const int *inelement3i, int *outelement3i, int numelements, int adjust)
7417 {
7418         int i;
7419         for (i = 0;i < numelements;i++)
7420                 outelement3i[i] = inelement3i[i] + adjust;
7421 }
7422
7423 static const int quadedges[6][2] = {{0, 1}, {0, 2}, {0, 3}, {1, 2}, {1, 3}, {2, 3}};
7424 void RSurf_PrepareVerticesForBatch(int batchneed, int texturenumsurfaces, const msurface_t **texturesurfacelist)
7425 {
7426         int deformindex;
7427         int firsttriangle;
7428         int numtriangles;
7429         int firstvertex;
7430         int endvertex;
7431         int numvertices;
7432         int surfacefirsttriangle;
7433         int surfacenumtriangles;
7434         int surfacefirstvertex;
7435         int surfaceendvertex;
7436         int surfacenumvertices;
7437         int batchnumsurfaces = texturenumsurfaces;
7438         int batchnumvertices;
7439         int batchnumtriangles;
7440         int i, j;
7441         qbool gaps;
7442         qbool dynamicvertex;
7443         float amplitude;
7444         float animpos;
7445         float center[3], forward[3], right[3], up[3], v[3], newforward[3], newright[3], newup[3];
7446         float waveparms[4];
7447         unsigned char *ub;
7448         q3shaderinfo_deform_t *deform;
7449         const msurface_t *surface, *firstsurface;
7450         if (!texturenumsurfaces)
7451                 return;
7452         // find vertex range of this surface batch
7453         gaps = false;
7454         firstsurface = texturesurfacelist[0];
7455         firsttriangle = firstsurface->num_firsttriangle;
7456         batchnumvertices = 0;
7457         batchnumtriangles = 0;
7458         firstvertex = endvertex = firstsurface->num_firstvertex;
7459         for (i = 0;i < texturenumsurfaces;i++)
7460         {
7461                 surface = texturesurfacelist[i];
7462                 if (surface != firstsurface + i)
7463                         gaps = true;
7464                 surfacefirstvertex = surface->num_firstvertex;
7465                 surfaceendvertex = surfacefirstvertex + surface->num_vertices;
7466                 surfacenumvertices = surface->num_vertices;
7467                 surfacenumtriangles = surface->num_triangles;
7468                 if (firstvertex > surfacefirstvertex)
7469                         firstvertex = surfacefirstvertex;
7470                 if (endvertex < surfaceendvertex)
7471                         endvertex = surfaceendvertex;
7472                 batchnumvertices += surfacenumvertices;
7473                 batchnumtriangles += surfacenumtriangles;
7474         }
7475
7476         r_refdef.stats[r_stat_batch_batches]++;
7477         if (gaps)
7478                 r_refdef.stats[r_stat_batch_withgaps]++;
7479         r_refdef.stats[r_stat_batch_surfaces] += batchnumsurfaces;
7480         r_refdef.stats[r_stat_batch_vertices] += batchnumvertices;
7481         r_refdef.stats[r_stat_batch_triangles] += batchnumtriangles;
7482
7483         // we now know the vertex range used, and if there are any gaps in it
7484         rsurface.batchfirstvertex = firstvertex;
7485         rsurface.batchnumvertices = endvertex - firstvertex;
7486         rsurface.batchfirsttriangle = firsttriangle;
7487         rsurface.batchnumtriangles = batchnumtriangles;
7488
7489         // check if any dynamic vertex processing must occur
7490         dynamicvertex = false;
7491
7492         // we must use vertexbuffers for rendering, we can upload vertex buffers
7493         // easily enough but if the basevertex is non-zero it becomes more
7494         // difficult, so force dynamicvertex path in that case - it's suboptimal
7495         // but the most optimal case is to have the geometry sources provide their
7496         // own anyway.
7497         if (!rsurface.modelvertex3f_vertexbuffer && firstvertex != 0)
7498                 dynamicvertex = true;
7499
7500         // a cvar to force the dynamic vertex path to be taken, for debugging
7501         if (r_batch_debugdynamicvertexpath.integer)
7502         {
7503                 if (!dynamicvertex)
7504                 {
7505                         r_refdef.stats[r_stat_batch_dynamic_batches_because_cvar] += 1;
7506                         r_refdef.stats[r_stat_batch_dynamic_surfaces_because_cvar] += batchnumsurfaces;
7507                         r_refdef.stats[r_stat_batch_dynamic_vertices_because_cvar] += batchnumvertices;
7508                         r_refdef.stats[r_stat_batch_dynamic_triangles_because_cvar] += batchnumtriangles;
7509                 }
7510                 dynamicvertex = true;
7511         }
7512
7513         // if there is a chance of animated vertex colors, it's a dynamic batch
7514         if ((batchneed & BATCHNEED_ARRAY_VERTEXCOLOR) && texturesurfacelist[0]->lightmapinfo)
7515         {
7516                 if (!dynamicvertex)
7517                 {
7518                         r_refdef.stats[r_stat_batch_dynamic_batches_because_lightmapvertex] += 1;
7519                         r_refdef.stats[r_stat_batch_dynamic_surfaces_because_lightmapvertex] += batchnumsurfaces;
7520                         r_refdef.stats[r_stat_batch_dynamic_vertices_because_lightmapvertex] += batchnumvertices;
7521                         r_refdef.stats[r_stat_batch_dynamic_triangles_because_lightmapvertex] += batchnumtriangles;
7522                 }
7523                 dynamicvertex = true;
7524         }
7525
7526         for (deformindex = 0, deform = rsurface.texture->deforms;deformindex < Q3MAXDEFORMS && deform->deform && r_deformvertexes.integer;deformindex++, deform++)
7527         {
7528                 switch (deform->deform)
7529                 {
7530                 default:
7531                 case Q3DEFORM_PROJECTIONSHADOW:
7532                 case Q3DEFORM_TEXT0:
7533                 case Q3DEFORM_TEXT1:
7534                 case Q3DEFORM_TEXT2:
7535                 case Q3DEFORM_TEXT3:
7536                 case Q3DEFORM_TEXT4:
7537                 case Q3DEFORM_TEXT5:
7538                 case Q3DEFORM_TEXT6:
7539                 case Q3DEFORM_TEXT7:
7540                 case Q3DEFORM_NONE:
7541                         break;
7542                 case Q3DEFORM_AUTOSPRITE:
7543                         if (!dynamicvertex)
7544                         {
7545                                 r_refdef.stats[r_stat_batch_dynamic_batches_because_deformvertexes_autosprite] += 1;
7546                                 r_refdef.stats[r_stat_batch_dynamic_surfaces_because_deformvertexes_autosprite] += batchnumsurfaces;
7547                                 r_refdef.stats[r_stat_batch_dynamic_vertices_because_deformvertexes_autosprite] += batchnumvertices;
7548                                 r_refdef.stats[r_stat_batch_dynamic_triangles_because_deformvertexes_autosprite] += batchnumtriangles;
7549                         }
7550                         dynamicvertex = true;
7551                         batchneed |= BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_VECTOR | BATCHNEED_ARRAY_TEXCOORD;
7552                         break;
7553                 case Q3DEFORM_AUTOSPRITE2:
7554                         if (!dynamicvertex)
7555                         {
7556                                 r_refdef.stats[r_stat_batch_dynamic_batches_because_deformvertexes_autosprite2] += 1;
7557                                 r_refdef.stats[r_stat_batch_dynamic_surfaces_because_deformvertexes_autosprite2] += batchnumsurfaces;
7558                                 r_refdef.stats[r_stat_batch_dynamic_vertices_because_deformvertexes_autosprite2] += batchnumvertices;
7559                                 r_refdef.stats[r_stat_batch_dynamic_triangles_because_deformvertexes_autosprite2] += batchnumtriangles;
7560                         }
7561                         dynamicvertex = true;
7562                         batchneed |= BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_TEXCOORD;
7563                         break;
7564                 case Q3DEFORM_NORMAL:
7565                         if (!dynamicvertex)
7566                         {
7567                                 r_refdef.stats[r_stat_batch_dynamic_batches_because_deformvertexes_normal] += 1;
7568                                 r_refdef.stats[r_stat_batch_dynamic_surfaces_because_deformvertexes_normal] += batchnumsurfaces;
7569                                 r_refdef.stats[r_stat_batch_dynamic_vertices_because_deformvertexes_normal] += batchnumvertices;
7570                                 r_refdef.stats[r_stat_batch_dynamic_triangles_because_deformvertexes_normal] += batchnumtriangles;
7571                         }
7572                         dynamicvertex = true;
7573                         batchneed |= BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_TEXCOORD;
7574                         break;
7575                 case Q3DEFORM_WAVE:
7576                         if(!R_TestQ3WaveFunc(deform->wavefunc, deform->waveparms))
7577                                 break; // if wavefunc is a nop, ignore this transform
7578                         if (!dynamicvertex)
7579                         {
7580                                 r_refdef.stats[r_stat_batch_dynamic_batches_because_deformvertexes_wave] += 1;
7581                                 r_refdef.stats[r_stat_batch_dynamic_surfaces_because_deformvertexes_wave] += batchnumsurfaces;
7582                                 r_refdef.stats[r_stat_batch_dynamic_vertices_because_deformvertexes_wave] += batchnumvertices;
7583                                 r_refdef.stats[r_stat_batch_dynamic_triangles_because_deformvertexes_wave] += batchnumtriangles;
7584                         }
7585                         dynamicvertex = true;
7586                         batchneed |= BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_TEXCOORD;
7587                         break;
7588                 case Q3DEFORM_BULGE:
7589                         if (!dynamicvertex)
7590                         {
7591                                 r_refdef.stats[r_stat_batch_dynamic_batches_because_deformvertexes_bulge] += 1;
7592                                 r_refdef.stats[r_stat_batch_dynamic_surfaces_because_deformvertexes_bulge] += batchnumsurfaces;
7593                                 r_refdef.stats[r_stat_batch_dynamic_vertices_because_deformvertexes_bulge] += batchnumvertices;
7594                                 r_refdef.stats[r_stat_batch_dynamic_triangles_because_deformvertexes_bulge] += batchnumtriangles;
7595                         }
7596                         dynamicvertex = true;
7597                         batchneed |= BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_TEXCOORD;
7598                         break;
7599                 case Q3DEFORM_MOVE:
7600                         if(!R_TestQ3WaveFunc(deform->wavefunc, deform->waveparms))
7601                                 break; // if wavefunc is a nop, ignore this transform
7602                         if (!dynamicvertex)
7603                         {
7604                                 r_refdef.stats[r_stat_batch_dynamic_batches_because_deformvertexes_move] += 1;
7605                                 r_refdef.stats[r_stat_batch_dynamic_surfaces_because_deformvertexes_move] += batchnumsurfaces;
7606                                 r_refdef.stats[r_stat_batch_dynamic_vertices_because_deformvertexes_move] += batchnumvertices;
7607                                 r_refdef.stats[r_stat_batch_dynamic_triangles_because_deformvertexes_move] += batchnumtriangles;
7608                         }
7609                         dynamicvertex = true;
7610                         batchneed |= BATCHNEED_ARRAY_VERTEX;
7611                         break;
7612                 }
7613         }
7614         if (rsurface.texture->materialshaderpass)
7615         {
7616                 switch (rsurface.texture->materialshaderpass->tcgen.tcgen)
7617                 {
7618                 default:
7619                 case Q3TCGEN_TEXTURE:
7620                         break;
7621                 case Q3TCGEN_LIGHTMAP:
7622                         if (!dynamicvertex)
7623                         {
7624                                 r_refdef.stats[r_stat_batch_dynamic_batches_because_tcgen_lightmap] += 1;
7625                                 r_refdef.stats[r_stat_batch_dynamic_surfaces_because_tcgen_lightmap] += batchnumsurfaces;
7626                                 r_refdef.stats[r_stat_batch_dynamic_vertices_because_tcgen_lightmap] += batchnumvertices;
7627                                 r_refdef.stats[r_stat_batch_dynamic_triangles_because_tcgen_lightmap] += batchnumtriangles;
7628                         }
7629                         dynamicvertex = true;
7630                         batchneed |= BATCHNEED_ARRAY_LIGHTMAP;
7631                         break;
7632                 case Q3TCGEN_VECTOR:
7633                         if (!dynamicvertex)
7634                         {
7635                                 r_refdef.stats[r_stat_batch_dynamic_batches_because_tcgen_vector] += 1;
7636                                 r_refdef.stats[r_stat_batch_dynamic_surfaces_because_tcgen_vector] += batchnumsurfaces;
7637                                 r_refdef.stats[r_stat_batch_dynamic_vertices_because_tcgen_vector] += batchnumvertices;
7638                                 r_refdef.stats[r_stat_batch_dynamic_triangles_because_tcgen_vector] += batchnumtriangles;
7639                         }
7640                         dynamicvertex = true;
7641                         batchneed |= BATCHNEED_ARRAY_VERTEX;
7642                         break;
7643                 case Q3TCGEN_ENVIRONMENT:
7644                         if (!dynamicvertex)
7645                         {
7646                                 r_refdef.stats[r_stat_batch_dynamic_batches_because_tcgen_environment] += 1;
7647                                 r_refdef.stats[r_stat_batch_dynamic_surfaces_because_tcgen_environment] += batchnumsurfaces;
7648                                 r_refdef.stats[r_stat_batch_dynamic_vertices_because_tcgen_environment] += batchnumvertices;
7649                                 r_refdef.stats[r_stat_batch_dynamic_triangles_because_tcgen_environment] += batchnumtriangles;
7650                         }
7651                         dynamicvertex = true;
7652                         batchneed |= BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL;
7653                         break;
7654                 }
7655                 if (rsurface.texture->materialshaderpass->tcmods[0].tcmod == Q3TCMOD_TURBULENT)
7656                 {
7657                         if (!dynamicvertex)
7658                         {
7659                                 r_refdef.stats[r_stat_batch_dynamic_batches_because_tcmod_turbulent] += 1;
7660                                 r_refdef.stats[r_stat_batch_dynamic_surfaces_because_tcmod_turbulent] += batchnumsurfaces;
7661                                 r_refdef.stats[r_stat_batch_dynamic_vertices_because_tcmod_turbulent] += batchnumvertices;
7662                                 r_refdef.stats[r_stat_batch_dynamic_triangles_because_tcmod_turbulent] += batchnumtriangles;
7663                         }
7664                         dynamicvertex = true;
7665                         batchneed |= BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_TEXCOORD;
7666                 }
7667         }
7668
7669         // the caller can specify BATCHNEED_NOGAPS to force a batch with
7670         // firstvertex = 0 and endvertex = numvertices (no gaps, no firstvertex),
7671         // we ensure this by treating the vertex batch as dynamic...
7672         if ((batchneed & BATCHNEED_ALWAYSCOPY) || ((batchneed & BATCHNEED_NOGAPS) && (gaps || firstvertex > 0)))
7673         {
7674                 if (!dynamicvertex)
7675                 {
7676                         r_refdef.stats[r_stat_batch_dynamic_batches_because_nogaps] += 1;
7677                         r_refdef.stats[r_stat_batch_dynamic_surfaces_because_nogaps] += batchnumsurfaces;
7678                         r_refdef.stats[r_stat_batch_dynamic_vertices_because_nogaps] += batchnumvertices;
7679                         r_refdef.stats[r_stat_batch_dynamic_triangles_because_nogaps] += batchnumtriangles;
7680                 }
7681                 dynamicvertex = true;
7682         }
7683
7684         // if we're going to have to apply the skeletal transform manually, we need to batch the skeletal data
7685         if (dynamicvertex && rsurface.entityskeletaltransform3x4)
7686                 batchneed |= BATCHNEED_ARRAY_SKELETAL;
7687
7688         rsurface.batchvertex3f = rsurface.modelvertex3f;
7689         rsurface.batchvertex3f_vertexbuffer = rsurface.modelvertex3f_vertexbuffer;
7690         rsurface.batchvertex3f_bufferoffset = rsurface.modelvertex3f_bufferoffset;
7691         rsurface.batchsvector3f = rsurface.modelsvector3f;
7692         rsurface.batchsvector3f_vertexbuffer = rsurface.modelsvector3f_vertexbuffer;
7693         rsurface.batchsvector3f_bufferoffset = rsurface.modelsvector3f_bufferoffset;
7694         rsurface.batchtvector3f = rsurface.modeltvector3f;
7695         rsurface.batchtvector3f_vertexbuffer = rsurface.modeltvector3f_vertexbuffer;
7696         rsurface.batchtvector3f_bufferoffset = rsurface.modeltvector3f_bufferoffset;
7697         rsurface.batchnormal3f = rsurface.modelnormal3f;
7698         rsurface.batchnormal3f_vertexbuffer = rsurface.modelnormal3f_vertexbuffer;
7699         rsurface.batchnormal3f_bufferoffset = rsurface.modelnormal3f_bufferoffset;
7700         rsurface.batchlightmapcolor4f = rsurface.modellightmapcolor4f;
7701         rsurface.batchlightmapcolor4f_vertexbuffer  = rsurface.modellightmapcolor4f_vertexbuffer;
7702         rsurface.batchlightmapcolor4f_bufferoffset  = rsurface.modellightmapcolor4f_bufferoffset;
7703         rsurface.batchtexcoordtexture2f = rsurface.modeltexcoordtexture2f;
7704         rsurface.batchtexcoordtexture2f_vertexbuffer  = rsurface.modeltexcoordtexture2f_vertexbuffer;
7705         rsurface.batchtexcoordtexture2f_bufferoffset  = rsurface.modeltexcoordtexture2f_bufferoffset;
7706         rsurface.batchtexcoordlightmap2f = rsurface.modeltexcoordlightmap2f;
7707         rsurface.batchtexcoordlightmap2f_vertexbuffer = rsurface.modeltexcoordlightmap2f_vertexbuffer;
7708         rsurface.batchtexcoordlightmap2f_bufferoffset = rsurface.modeltexcoordlightmap2f_bufferoffset;
7709         rsurface.batchskeletalindex4ub = rsurface.modelskeletalindex4ub;
7710         rsurface.batchskeletalindex4ub_vertexbuffer = rsurface.modelskeletalindex4ub_vertexbuffer;
7711         rsurface.batchskeletalindex4ub_bufferoffset = rsurface.modelskeletalindex4ub_bufferoffset;
7712         rsurface.batchskeletalweight4ub = rsurface.modelskeletalweight4ub;
7713         rsurface.batchskeletalweight4ub_vertexbuffer = rsurface.modelskeletalweight4ub_vertexbuffer;
7714         rsurface.batchskeletalweight4ub_bufferoffset = rsurface.modelskeletalweight4ub_bufferoffset;
7715         rsurface.batchelement3i = rsurface.modelelement3i;
7716         rsurface.batchelement3i_indexbuffer = rsurface.modelelement3i_indexbuffer;
7717         rsurface.batchelement3i_bufferoffset = rsurface.modelelement3i_bufferoffset;
7718         rsurface.batchelement3s = rsurface.modelelement3s;
7719         rsurface.batchelement3s_indexbuffer = rsurface.modelelement3s_indexbuffer;
7720         rsurface.batchelement3s_bufferoffset = rsurface.modelelement3s_bufferoffset;
7721         rsurface.batchskeletaltransform3x4 = rsurface.entityskeletaltransform3x4;
7722         rsurface.batchskeletaltransform3x4buffer = rsurface.entityskeletaltransform3x4buffer;
7723         rsurface.batchskeletaltransform3x4offset = rsurface.entityskeletaltransform3x4offset;
7724         rsurface.batchskeletaltransform3x4size = rsurface.entityskeletaltransform3x4size;
7725         rsurface.batchskeletalnumtransforms = rsurface.entityskeletalnumtransforms;
7726
7727         // if any dynamic vertex processing has to occur in software, we copy the
7728         // entire surface list together before processing to rebase the vertices
7729         // to start at 0 (otherwise we waste a lot of room in a vertex buffer).
7730         //
7731         // if any gaps exist and we do not have a static vertex buffer, we have to
7732         // copy the surface list together to avoid wasting upload bandwidth on the
7733         // vertices in the gaps.
7734         //
7735         // if gaps exist and we have a static vertex buffer, we can choose whether
7736         // to combine the index buffer ranges into one dynamic index buffer or
7737         // simply issue multiple glDrawElements calls (BATCHNEED_ALLOWMULTIDRAW).
7738         //
7739         // in many cases the batch is reduced to one draw call.
7740
7741         rsurface.batchmultidraw = false;
7742         rsurface.batchmultidrawnumsurfaces = 0;
7743         rsurface.batchmultidrawsurfacelist = NULL;
7744
7745         if (!dynamicvertex)
7746         {
7747                 // static vertex data, just set pointers...
7748                 rsurface.batchgeneratedvertex = false;
7749                 // if there are gaps, we want to build a combined index buffer,
7750                 // otherwise use the original static buffer with an appropriate offset
7751                 if (gaps)
7752                 {
7753                         r_refdef.stats[r_stat_batch_copytriangles_batches] += 1;
7754                         r_refdef.stats[r_stat_batch_copytriangles_surfaces] += batchnumsurfaces;
7755                         r_refdef.stats[r_stat_batch_copytriangles_vertices] += batchnumvertices;
7756                         r_refdef.stats[r_stat_batch_copytriangles_triangles] += batchnumtriangles;
7757                         if ((batchneed & BATCHNEED_ALLOWMULTIDRAW) && r_batch_multidraw.integer && batchnumtriangles >= r_batch_multidraw_mintriangles.integer)
7758                         {
7759                                 rsurface.batchmultidraw = true;
7760                                 rsurface.batchmultidrawnumsurfaces = texturenumsurfaces;
7761                                 rsurface.batchmultidrawsurfacelist = texturesurfacelist;
7762                                 return;
7763                         }
7764                         // build a new triangle elements array for this batch
7765                         rsurface.batchelement3i = (int *)R_FrameData_Alloc(batchnumtriangles * sizeof(int[3]));
7766                         rsurface.batchfirsttriangle = 0;
7767                         numtriangles = 0;
7768                         for (i = 0;i < texturenumsurfaces;i++)
7769                         {
7770                                 surfacefirsttriangle = texturesurfacelist[i]->num_firsttriangle;
7771                                 surfacenumtriangles = texturesurfacelist[i]->num_triangles;
7772                                 memcpy(rsurface.batchelement3i + 3*numtriangles, rsurface.modelelement3i + 3*surfacefirsttriangle, surfacenumtriangles*sizeof(int[3]));
7773                                 numtriangles += surfacenumtriangles;
7774                         }
7775                         rsurface.batchelement3i_indexbuffer = NULL;
7776                         rsurface.batchelement3i_bufferoffset = 0;
7777                         rsurface.batchelement3s = NULL;
7778                         rsurface.batchelement3s_indexbuffer = NULL;
7779                         rsurface.batchelement3s_bufferoffset = 0;
7780                         if (endvertex <= 65536)
7781                         {
7782                                 // make a 16bit (unsigned short) index array if possible
7783                                 rsurface.batchelement3s = (unsigned short *)R_FrameData_Alloc(batchnumtriangles * sizeof(unsigned short[3]));
7784                                 for (i = 0;i < numtriangles*3;i++)
7785                                         rsurface.batchelement3s[i] = rsurface.batchelement3i[i];
7786                         }
7787                 }
7788                 else
7789                 {
7790                         r_refdef.stats[r_stat_batch_fast_batches] += 1;
7791                         r_refdef.stats[r_stat_batch_fast_surfaces] += batchnumsurfaces;
7792                         r_refdef.stats[r_stat_batch_fast_vertices] += batchnumvertices;
7793                         r_refdef.stats[r_stat_batch_fast_triangles] += batchnumtriangles;
7794                 }
7795                 return;
7796         }
7797
7798         // something needs software processing, do it for real...
7799         // we only directly handle separate array data in this case and then
7800         // generate interleaved data if needed...
7801         rsurface.batchgeneratedvertex = true;
7802         r_refdef.stats[r_stat_batch_dynamic_batches] += 1;
7803         r_refdef.stats[r_stat_batch_dynamic_surfaces] += batchnumsurfaces;
7804         r_refdef.stats[r_stat_batch_dynamic_vertices] += batchnumvertices;
7805         r_refdef.stats[r_stat_batch_dynamic_triangles] += batchnumtriangles;
7806
7807         // now copy the vertex data into a combined array and make an index array
7808         // (this is what Quake3 does all the time)
7809         // we also apply any skeletal animation here that would have been done in
7810         // the vertex shader, because most of the dynamic vertex animation cases
7811         // need actual vertex positions and normals
7812         //if (dynamicvertex)
7813         {
7814                 rsurface.batchvertex3f = NULL;
7815                 rsurface.batchvertex3f_vertexbuffer = NULL;
7816                 rsurface.batchvertex3f_bufferoffset = 0;
7817                 rsurface.batchsvector3f = NULL;
7818                 rsurface.batchsvector3f_vertexbuffer = NULL;
7819                 rsurface.batchsvector3f_bufferoffset = 0;
7820                 rsurface.batchtvector3f = NULL;
7821                 rsurface.batchtvector3f_vertexbuffer = NULL;
7822                 rsurface.batchtvector3f_bufferoffset = 0;
7823                 rsurface.batchnormal3f = NULL;
7824                 rsurface.batchnormal3f_vertexbuffer = NULL;
7825                 rsurface.batchnormal3f_bufferoffset = 0;
7826                 rsurface.batchlightmapcolor4f = NULL;
7827                 rsurface.batchlightmapcolor4f_vertexbuffer = NULL;
7828                 rsurface.batchlightmapcolor4f_bufferoffset = 0;
7829                 rsurface.batchtexcoordtexture2f = NULL;
7830                 rsurface.batchtexcoordtexture2f_vertexbuffer = NULL;
7831                 rsurface.batchtexcoordtexture2f_bufferoffset = 0;
7832                 rsurface.batchtexcoordlightmap2f = NULL;
7833                 rsurface.batchtexcoordlightmap2f_vertexbuffer = NULL;
7834                 rsurface.batchtexcoordlightmap2f_bufferoffset = 0;
7835                 rsurface.batchskeletalindex4ub = NULL;
7836                 rsurface.batchskeletalindex4ub_vertexbuffer = NULL;
7837                 rsurface.batchskeletalindex4ub_bufferoffset = 0;
7838                 rsurface.batchskeletalweight4ub = NULL;
7839                 rsurface.batchskeletalweight4ub_vertexbuffer = NULL;
7840                 rsurface.batchskeletalweight4ub_bufferoffset = 0;
7841                 rsurface.batchelement3i = (int *)R_FrameData_Alloc(batchnumtriangles * sizeof(int[3]));
7842                 rsurface.batchelement3i_indexbuffer = NULL;
7843                 rsurface.batchelement3i_bufferoffset = 0;
7844                 rsurface.batchelement3s = NULL;
7845                 rsurface.batchelement3s_indexbuffer = NULL;
7846                 rsurface.batchelement3s_bufferoffset = 0;
7847                 rsurface.batchskeletaltransform3x4buffer = NULL;
7848                 rsurface.batchskeletaltransform3x4offset = 0;
7849                 rsurface.batchskeletaltransform3x4size = 0;
7850                 // we'll only be setting up certain arrays as needed
7851                 if (batchneed & BATCHNEED_ARRAY_VERTEX)
7852                         rsurface.batchvertex3f = (float *)R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
7853                 if (batchneed & BATCHNEED_ARRAY_NORMAL)
7854                         rsurface.batchnormal3f = (float *)R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
7855                 if (batchneed & BATCHNEED_ARRAY_VECTOR)
7856                 {
7857                         rsurface.batchsvector3f = (float *)R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
7858                         rsurface.batchtvector3f = (float *)R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
7859                 }
7860                 if (batchneed & BATCHNEED_ARRAY_VERTEXCOLOR)
7861                         rsurface.batchlightmapcolor4f = (float *)R_FrameData_Alloc(batchnumvertices * sizeof(float[4]));
7862                 if (batchneed & BATCHNEED_ARRAY_TEXCOORD)
7863                         rsurface.batchtexcoordtexture2f = (float *)R_FrameData_Alloc(batchnumvertices * sizeof(float[2]));
7864                 if (batchneed & BATCHNEED_ARRAY_LIGHTMAP)
7865                         rsurface.batchtexcoordlightmap2f = (float *)R_FrameData_Alloc(batchnumvertices * sizeof(float[2]));
7866                 if (batchneed & BATCHNEED_ARRAY_SKELETAL)
7867                 {
7868                         rsurface.batchskeletalindex4ub = (unsigned char *)R_FrameData_Alloc(batchnumvertices * sizeof(unsigned char[4]));
7869                         rsurface.batchskeletalweight4ub = (unsigned char *)R_FrameData_Alloc(batchnumvertices * sizeof(unsigned char[4]));
7870                 }
7871                 numvertices = 0;
7872                 numtriangles = 0;
7873                 for (i = 0;i < texturenumsurfaces;i++)
7874                 {
7875                         surfacefirstvertex = texturesurfacelist[i]->num_firstvertex;
7876                         surfacenumvertices = texturesurfacelist[i]->num_vertices;
7877                         surfacefirsttriangle = texturesurfacelist[i]->num_firsttriangle;
7878                         surfacenumtriangles = texturesurfacelist[i]->num_triangles;
7879                         // copy only the data requested
7880                         if (batchneed & (BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_VECTOR | BATCHNEED_ARRAY_VERTEXCOLOR | BATCHNEED_ARRAY_TEXCOORD | BATCHNEED_ARRAY_LIGHTMAP))
7881                         {
7882                                 if (batchneed & BATCHNEED_ARRAY_VERTEX)
7883                                 {
7884                                         if (rsurface.batchvertex3f)
7885                                                 memcpy(rsurface.batchvertex3f + 3*numvertices, rsurface.modelvertex3f + 3*surfacefirstvertex, surfacenumvertices * sizeof(float[3]));
7886                                         else
7887                                                 memset(rsurface.batchvertex3f + 3*numvertices, 0, surfacenumvertices * sizeof(float[3]));
7888                                 }
7889                                 if (batchneed & BATCHNEED_ARRAY_NORMAL)
7890                                 {
7891                                         if (rsurface.modelnormal3f)
7892                                                 memcpy(rsurface.batchnormal3f + 3*numvertices, rsurface.modelnormal3f + 3*surfacefirstvertex, surfacenumvertices * sizeof(float[3]));
7893                                         else
7894                                                 memset(rsurface.batchnormal3f + 3*numvertices, 0, surfacenumvertices * sizeof(float[3]));
7895                                 }
7896                                 if (batchneed & BATCHNEED_ARRAY_VECTOR)
7897                                 {
7898                                         if (rsurface.modelsvector3f)
7899                                         {
7900                                                 memcpy(rsurface.batchsvector3f + 3*numvertices, rsurface.modelsvector3f + 3*surfacefirstvertex, surfacenumvertices * sizeof(float[3]));
7901                                                 memcpy(rsurface.batchtvector3f + 3*numvertices, rsurface.modeltvector3f + 3*surfacefirstvertex, surfacenumvertices * sizeof(float[3]));
7902                                         }
7903                                         else
7904                                         {
7905                                                 memset(rsurface.batchsvector3f + 3*numvertices, 0, surfacenumvertices * sizeof(float[3]));
7906                                                 memset(rsurface.batchtvector3f + 3*numvertices, 0, surfacenumvertices * sizeof(float[3]));
7907                                         }
7908                                 }
7909                                 if (batchneed & BATCHNEED_ARRAY_VERTEXCOLOR)
7910                                 {
7911                                         if (rsurface.modellightmapcolor4f)
7912                                                 memcpy(rsurface.batchlightmapcolor4f + 4*numvertices, rsurface.modellightmapcolor4f + 4*surfacefirstvertex, surfacenumvertices * sizeof(float[4]));
7913                                         else
7914                                                 memset(rsurface.batchlightmapcolor4f + 4*numvertices, 0, surfacenumvertices * sizeof(float[4]));
7915                                 }
7916                                 if (batchneed & BATCHNEED_ARRAY_TEXCOORD)
7917                                 {
7918                                         if (rsurface.modeltexcoordtexture2f)
7919                                                 memcpy(rsurface.batchtexcoordtexture2f + 2*numvertices, rsurface.modeltexcoordtexture2f + 2*surfacefirstvertex, surfacenumvertices * sizeof(float[2]));
7920                                         else
7921                                                 memset(rsurface.batchtexcoordtexture2f + 2*numvertices, 0, surfacenumvertices * sizeof(float[2]));
7922                                 }
7923                                 if (batchneed & BATCHNEED_ARRAY_LIGHTMAP)
7924                                 {
7925                                         if (rsurface.modeltexcoordlightmap2f)
7926                                                 memcpy(rsurface.batchtexcoordlightmap2f + 2*numvertices, rsurface.modeltexcoordlightmap2f + 2*surfacefirstvertex, surfacenumvertices * sizeof(float[2]));
7927                                         else
7928                                                 memset(rsurface.batchtexcoordlightmap2f + 2*numvertices, 0, surfacenumvertices * sizeof(float[2]));
7929                                 }
7930                                 if (batchneed & BATCHNEED_ARRAY_SKELETAL)
7931                                 {
7932                                         if (rsurface.modelskeletalindex4ub)
7933                                         {
7934                                                 memcpy(rsurface.batchskeletalindex4ub + 4*numvertices, rsurface.modelskeletalindex4ub + 4*surfacefirstvertex, surfacenumvertices * sizeof(unsigned char[4]));
7935                                                 memcpy(rsurface.batchskeletalweight4ub + 4*numvertices, rsurface.modelskeletalweight4ub + 4*surfacefirstvertex, surfacenumvertices * sizeof(unsigned char[4]));
7936                                         }
7937                                         else
7938                                         {
7939                                                 memset(rsurface.batchskeletalindex4ub + 4*numvertices, 0, surfacenumvertices * sizeof(unsigned char[4]));
7940                                                 memset(rsurface.batchskeletalweight4ub + 4*numvertices, 0, surfacenumvertices * sizeof(unsigned char[4]));
7941                                                 ub = rsurface.batchskeletalweight4ub + 4*numvertices;
7942                                                 for (j = 0;j < surfacenumvertices;j++)
7943                                                         ub[j*4] = 255;
7944                                         }
7945                                 }
7946                         }
7947                         RSurf_RenumberElements(rsurface.modelelement3i + 3*surfacefirsttriangle, rsurface.batchelement3i + 3*numtriangles, 3*surfacenumtriangles, numvertices - surfacefirstvertex);
7948                         numvertices += surfacenumvertices;
7949                         numtriangles += surfacenumtriangles;
7950                 }
7951
7952                 // generate a 16bit index array as well if possible
7953                 // (in general, dynamic batches fit)
7954                 if (numvertices <= 65536)
7955                 {
7956                         rsurface.batchelement3s = (unsigned short *)R_FrameData_Alloc(batchnumtriangles * sizeof(unsigned short[3]));
7957                         for (i = 0;i < numtriangles*3;i++)
7958                                 rsurface.batchelement3s[i] = rsurface.batchelement3i[i];
7959                 }
7960
7961                 // since we've copied everything, the batch now starts at 0
7962                 rsurface.batchfirstvertex = 0;
7963                 rsurface.batchnumvertices = batchnumvertices;
7964                 rsurface.batchfirsttriangle = 0;
7965                 rsurface.batchnumtriangles = batchnumtriangles;
7966         }
7967
7968         // apply skeletal animation that would have been done in the vertex shader
7969         if (rsurface.batchskeletaltransform3x4)
7970         {
7971                 const unsigned char *si;
7972                 const unsigned char *sw;
7973                 const float *t[4];
7974                 const float *b = rsurface.batchskeletaltransform3x4;
7975                 float *vp, *vs, *vt, *vn;
7976                 float w[4];
7977                 float m[3][4], n[3][4];
7978                 float tp[3], ts[3], tt[3], tn[3];
7979                 r_refdef.stats[r_stat_batch_dynamicskeletal_batches] += 1;
7980                 r_refdef.stats[r_stat_batch_dynamicskeletal_surfaces] += batchnumsurfaces;
7981                 r_refdef.stats[r_stat_batch_dynamicskeletal_vertices] += batchnumvertices;
7982                 r_refdef.stats[r_stat_batch_dynamicskeletal_triangles] += batchnumtriangles;
7983                 si = rsurface.batchskeletalindex4ub;
7984                 sw = rsurface.batchskeletalweight4ub;
7985                 vp = rsurface.batchvertex3f;
7986                 vs = rsurface.batchsvector3f;
7987                 vt = rsurface.batchtvector3f;
7988                 vn = rsurface.batchnormal3f;
7989                 memset(m[0], 0, sizeof(m));
7990                 memset(n[0], 0, sizeof(n));
7991                 for (i = 0;i < batchnumvertices;i++)
7992                 {
7993                         t[0] = b + si[0]*12;
7994                         if (sw[0] == 255)
7995                         {
7996                                 // common case - only one matrix
7997                                 m[0][0] = t[0][ 0];
7998                                 m[0][1] = t[0][ 1];
7999                                 m[0][2] = t[0][ 2];
8000                                 m[0][3] = t[0][ 3];
8001                                 m[1][0] = t[0][ 4];
8002                                 m[1][1] = t[0][ 5];
8003                                 m[1][2] = t[0][ 6];
8004                                 m[1][3] = t[0][ 7];
8005                                 m[2][0] = t[0][ 8];
8006                                 m[2][1] = t[0][ 9];
8007                                 m[2][2] = t[0][10];
8008                                 m[2][3] = t[0][11];
8009                         }
8010                         else if (sw[2] + sw[3])
8011                         {
8012                                 // blend 4 matrices
8013                                 t[1] = b + si[1]*12;
8014                                 t[2] = b + si[2]*12;
8015                                 t[3] = b + si[3]*12;
8016                                 w[0] = sw[0] * (1.0f / 255.0f);
8017                                 w[1] = sw[1] * (1.0f / 255.0f);
8018                                 w[2] = sw[2] * (1.0f / 255.0f);
8019                                 w[3] = sw[3] * (1.0f / 255.0f);
8020                                 // blend the matrices
8021                                 m[0][0] = t[0][ 0] * w[0] + t[1][ 0] * w[1] + t[2][ 0] * w[2] + t[3][ 0] * w[3];
8022                                 m[0][1] = t[0][ 1] * w[0] + t[1][ 1] * w[1] + t[2][ 1] * w[2] + t[3][ 1] * w[3];
8023                                 m[0][2] = t[0][ 2] * w[0] + t[1][ 2] * w[1] + t[2][ 2] * w[2] + t[3][ 2] * w[3];
8024                                 m[0][3] = t[0][ 3] * w[0] + t[1][ 3] * w[1] + t[2][ 3] * w[2] + t[3][ 3] * w[3];
8025                                 m[1][0] = t[0][ 4] * w[0] + t[1][ 4] * w[1] + t[2][ 4] * w[2] + t[3][ 4] * w[3];
8026                                 m[1][1] = t[0][ 5] * w[0] + t[1][ 5] * w[1] + t[2][ 5] * w[2] + t[3][ 5] * w[3];
8027                                 m[1][2] = t[0][ 6] * w[0] + t[1][ 6] * w[1] + t[2][ 6] * w[2] + t[3][ 6] * w[3];
8028                                 m[1][3] = t[0][ 7] * w[0] + t[1][ 7] * w[1] + t[2][ 7] * w[2] + t[3][ 7] * w[3];
8029                                 m[2][0] = t[0][ 8] * w[0] + t[1][ 8] * w[1] + t[2][ 8] * w[2] + t[3][ 8] * w[3];
8030                                 m[2][1] = t[0][ 9] * w[0] + t[1][ 9] * w[1] + t[2][ 9] * w[2] + t[3][ 9] * w[3];
8031                                 m[2][2] = t[0][10] * w[0] + t[1][10] * w[1] + t[2][10] * w[2] + t[3][10] * w[3];
8032                                 m[2][3] = t[0][11] * w[0] + t[1][11] * w[1] + t[2][11] * w[2] + t[3][11] * w[3];
8033                         }
8034                         else
8035                         {
8036                                 // blend 2 matrices
8037                                 t[1] = b + si[1]*12;
8038                                 w[0] = sw[0] * (1.0f / 255.0f);
8039                                 w[1] = sw[1] * (1.0f / 255.0f);
8040                                 // blend the matrices
8041                                 m[0][0] = t[0][ 0] * w[0] + t[1][ 0] * w[1];
8042                                 m[0][1] = t[0][ 1] * w[0] + t[1][ 1] * w[1];
8043                                 m[0][2] = t[0][ 2] * w[0] + t[1][ 2] * w[1];
8044                                 m[0][3] = t[0][ 3] * w[0] + t[1][ 3] * w[1];
8045                                 m[1][0] = t[0][ 4] * w[0] + t[1][ 4] * w[1];
8046                                 m[1][1] = t[0][ 5] * w[0] + t[1][ 5] * w[1];
8047                                 m[1][2] = t[0][ 6] * w[0] + t[1][ 6] * w[1];
8048                                 m[1][3] = t[0][ 7] * w[0] + t[1][ 7] * w[1];
8049                                 m[2][0] = t[0][ 8] * w[0] + t[1][ 8] * w[1];
8050                                 m[2][1] = t[0][ 9] * w[0] + t[1][ 9] * w[1];
8051                                 m[2][2] = t[0][10] * w[0] + t[1][10] * w[1];
8052                                 m[2][3] = t[0][11] * w[0] + t[1][11] * w[1];
8053                         }
8054                         si += 4;
8055                         sw += 4;
8056                         // modify the vertex
8057                         VectorCopy(vp, tp);
8058                         vp[0] = tp[0] * m[0][0] + tp[1] * m[0][1] + tp[2] * m[0][2] + m[0][3];
8059                         vp[1] = tp[0] * m[1][0] + tp[1] * m[1][1] + tp[2] * m[1][2] + m[1][3];
8060                         vp[2] = tp[0] * m[2][0] + tp[1] * m[2][1] + tp[2] * m[2][2] + m[2][3];
8061                         vp += 3;
8062                         if (vn)
8063                         {
8064                                 // the normal transformation matrix is a set of cross products...
8065                                 CrossProduct(m[1], m[2], n[0]);
8066                                 CrossProduct(m[2], m[0], n[1]);
8067                                 CrossProduct(m[0], m[1], n[2]); // is actually transpose(inverse(m)) * det(m)
8068                                 VectorCopy(vn, tn);
8069                                 vn[0] = tn[0] * n[0][0] + tn[1] * n[0][1] + tn[2] * n[0][2];
8070                                 vn[1] = tn[0] * n[1][0] + tn[1] * n[1][1] + tn[2] * n[1][2];
8071                                 vn[2] = tn[0] * n[2][0] + tn[1] * n[2][1] + tn[2] * n[2][2];
8072                                 VectorNormalize(vn);
8073                                 vn += 3;
8074                                 if (vs)
8075                                 {
8076                                         VectorCopy(vs, ts);
8077                                         vs[0] = ts[0] * n[0][0] + ts[1] * n[0][1] + ts[2] * n[0][2];
8078                                         vs[1] = ts[0] * n[1][0] + ts[1] * n[1][1] + ts[2] * n[1][2];
8079                                         vs[2] = ts[0] * n[2][0] + ts[1] * n[2][1] + ts[2] * n[2][2];
8080                                         VectorNormalize(vs);
8081                                         vs += 3;
8082                                         VectorCopy(vt, tt);
8083                                         vt[0] = tt[0] * n[0][0] + tt[1] * n[0][1] + tt[2] * n[0][2];
8084                                         vt[1] = tt[0] * n[1][0] + tt[1] * n[1][1] + tt[2] * n[1][2];
8085                                         vt[2] = tt[0] * n[2][0] + tt[1] * n[2][1] + tt[2] * n[2][2];
8086                                         VectorNormalize(vt);
8087                                         vt += 3;
8088                                 }
8089                         }
8090                 }
8091                 rsurface.batchskeletaltransform3x4 = NULL;
8092                 rsurface.batchskeletalnumtransforms = 0;
8093         }
8094
8095         // q1bsp surfaces rendered in vertex color mode have to have colors
8096         // calculated based on lightstyles
8097         if ((batchneed & BATCHNEED_ARRAY_VERTEXCOLOR) && texturesurfacelist[0]->lightmapinfo)
8098         {
8099                 // generate color arrays for the surfaces in this list
8100                 int c[4];
8101                 int scale;
8102                 int size3;
8103                 const int *offsets;
8104                 const unsigned char *lm;
8105                 rsurface.batchlightmapcolor4f = (float *)R_FrameData_Alloc(batchnumvertices * sizeof(float[4]));
8106                 rsurface.batchlightmapcolor4f_vertexbuffer = NULL;
8107                 rsurface.batchlightmapcolor4f_bufferoffset = 0;
8108                 numvertices = 0;
8109                 for (i = 0;i < texturenumsurfaces;i++)
8110                 {
8111                         surface = texturesurfacelist[i];
8112                         offsets = rsurface.modellightmapoffsets + surface->num_firstvertex;
8113                         surfacenumvertices = surface->num_vertices;
8114                         if (surface->lightmapinfo->samples)
8115                         {
8116                                 for (j = 0;j < surfacenumvertices;j++)
8117                                 {
8118                                         lm = surface->lightmapinfo->samples + offsets[j];
8119                                         scale = r_refdef.scene.lightstylevalue[surface->lightmapinfo->styles[0]];
8120                                         VectorScale(lm, scale, c);
8121                                         if (surface->lightmapinfo->styles[1] != 255)
8122                                         {
8123                                                 size3 = ((surface->lightmapinfo->extents[0]>>4)+1)*((surface->lightmapinfo->extents[1]>>4)+1)*3;
8124                                                 lm += size3;
8125                                                 scale = r_refdef.scene.lightstylevalue[surface->lightmapinfo->styles[1]];
8126                                                 VectorMA(c, scale, lm, c);
8127                                                 if (surface->lightmapinfo->styles[2] != 255)
8128                                                 {
8129                                                         lm += size3;
8130                                                         scale = r_refdef.scene.lightstylevalue[surface->lightmapinfo->styles[2]];
8131                                                         VectorMA(c, scale, lm, c);
8132                                                         if (surface->lightmapinfo->styles[3] != 255)
8133                                                         {
8134                                                                 lm += size3;
8135                                                                 scale = r_refdef.scene.lightstylevalue[surface->lightmapinfo->styles[3]];
8136                                                                 VectorMA(c, scale, lm, c);
8137                                                         }
8138                                                 }
8139                                         }
8140                                         c[0] >>= 7;
8141                                         c[1] >>= 7;
8142                                         c[2] >>= 7;
8143                                         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);
8144                                         numvertices++;
8145                                 }
8146                         }
8147                         else
8148                         {
8149                                 for (j = 0;j < surfacenumvertices;j++)
8150                                 {
8151                                         Vector4Set(rsurface.batchlightmapcolor4f + 4*numvertices, 0, 0, 0, 1);
8152                                         numvertices++;
8153                                 }
8154                         }
8155                 }
8156         }
8157
8158         // if vertices are deformed (sprite flares and things in maps, possibly
8159         // water waves, bulges and other deformations), modify the copied vertices
8160         // in place
8161         for (deformindex = 0, deform = rsurface.texture->deforms;deformindex < Q3MAXDEFORMS && deform->deform && r_deformvertexes.integer;deformindex++, deform++)
8162         {
8163                 float scale;
8164                 switch (deform->deform)
8165                 {
8166                 default:
8167                 case Q3DEFORM_PROJECTIONSHADOW:
8168                 case Q3DEFORM_TEXT0:
8169                 case Q3DEFORM_TEXT1:
8170                 case Q3DEFORM_TEXT2:
8171                 case Q3DEFORM_TEXT3:
8172                 case Q3DEFORM_TEXT4:
8173                 case Q3DEFORM_TEXT5:
8174                 case Q3DEFORM_TEXT6:
8175                 case Q3DEFORM_TEXT7:
8176                 case Q3DEFORM_NONE:
8177                         break;
8178                 case Q3DEFORM_AUTOSPRITE:
8179                         Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.forward, newforward);
8180                         Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.right, newright);
8181                         Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.up, newup);
8182                         VectorNormalize(newforward);
8183                         VectorNormalize(newright);
8184                         VectorNormalize(newup);
8185 //                      rsurface.batchvertex3f = R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchvertex3f);
8186 //                      rsurface.batchvertex3f_vertexbuffer = NULL;
8187 //                      rsurface.batchvertex3f_bufferoffset = 0;
8188 //                      rsurface.batchsvector3f = R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchsvector3f);
8189 //                      rsurface.batchsvector3f_vertexbuffer = NULL;
8190 //                      rsurface.batchsvector3f_bufferoffset = 0;
8191 //                      rsurface.batchtvector3f = R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchtvector3f);
8192 //                      rsurface.batchtvector3f_vertexbuffer = NULL;
8193 //                      rsurface.batchtvector3f_bufferoffset = 0;
8194 //                      rsurface.batchnormal3f = R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchnormal3f);
8195 //                      rsurface.batchnormal3f_vertexbuffer = NULL;
8196 //                      rsurface.batchnormal3f_bufferoffset = 0;
8197                         // sometimes we're on a renderpath that does not use vectors (GL11/GL13/GLES1)
8198                         if (!VectorLength2(rsurface.batchnormal3f + 3*rsurface.batchfirstvertex))
8199                                 Mod_BuildNormals(rsurface.batchfirstvertex, batchnumvertices, batchnumtriangles, rsurface.batchvertex3f, rsurface.batchelement3i + 3 * rsurface.batchfirsttriangle, rsurface.batchnormal3f, r_smoothnormals_areaweighting.integer != 0);
8200                         if (!VectorLength2(rsurface.batchsvector3f + 3*rsurface.batchfirstvertex))
8201                                 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);
8202                         // a single autosprite surface can contain multiple sprites...
8203                         for (j = 0;j < batchnumvertices - 3;j += 4)
8204                         {
8205                                 VectorClear(center);
8206                                 for (i = 0;i < 4;i++)
8207                                         VectorAdd(center, rsurface.batchvertex3f + 3*(j+i), center);
8208                                 VectorScale(center, 0.25f, center);
8209                                 VectorCopy(rsurface.batchnormal3f + 3*j, forward);
8210                                 VectorCopy(rsurface.batchsvector3f + 3*j, right);
8211                                 VectorCopy(rsurface.batchtvector3f + 3*j, up);
8212                                 for (i = 0;i < 4;i++)
8213                                 {
8214                                         VectorSubtract(rsurface.batchvertex3f + 3*(j+i), center, v);
8215                                         VectorMAMAMAM(1, center, DotProduct(forward, v), newforward, DotProduct(right, v), newright, DotProduct(up, v), newup, rsurface.batchvertex3f + 3*(j+i));
8216                                 }
8217                         }
8218                         // if we get here, BATCHNEED_ARRAY_NORMAL and BATCHNEED_ARRAY_VECTOR are in batchneed, so no need to check
8219                         Mod_BuildNormals(rsurface.batchfirstvertex, batchnumvertices, batchnumtriangles, rsurface.batchvertex3f, rsurface.batchelement3i + 3 * rsurface.batchfirsttriangle, rsurface.batchnormal3f, r_smoothnormals_areaweighting.integer != 0);
8220                         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);
8221                         break;
8222                 case Q3DEFORM_AUTOSPRITE2:
8223                         Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.forward, newforward);
8224                         Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.right, newright);
8225                         Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.up, newup);
8226                         VectorNormalize(newforward);
8227                         VectorNormalize(newright);
8228                         VectorNormalize(newup);
8229 //                      rsurface.batchvertex3f = R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchvertex3f);
8230 //                      rsurface.batchvertex3f_vertexbuffer = NULL;
8231 //                      rsurface.batchvertex3f_bufferoffset = 0;
8232                         {
8233                                 const float *v1, *v2;
8234                                 vec3_t start, end;
8235                                 float f, l;
8236                                 struct
8237                                 {
8238                                         float length2;
8239                                         const float *v1;
8240                                         const float *v2;
8241                                 }
8242                                 shortest[2];
8243                                 memset(shortest, 0, sizeof(shortest));
8244                                 // a single autosprite surface can contain multiple sprites...
8245                                 for (j = 0;j < batchnumvertices - 3;j += 4)
8246                                 {
8247                                         VectorClear(center);
8248                                         for (i = 0;i < 4;i++)
8249                                                 VectorAdd(center, rsurface.batchvertex3f + 3*(j+i), center);
8250                                         VectorScale(center, 0.25f, center);
8251                                         // find the two shortest edges, then use them to define the
8252                                         // axis vectors for rotating around the central axis
8253                                         for (i = 0;i < 6;i++)
8254                                         {
8255                                                 v1 = rsurface.batchvertex3f + 3*(j+quadedges[i][0]);
8256                                                 v2 = rsurface.batchvertex3f + 3*(j+quadedges[i][1]);
8257                                                 l = VectorDistance2(v1, v2);
8258                                                 // this length bias tries to make sense of square polygons, assuming they are meant to be upright
8259                                                 if (v1[2] != v2[2])
8260                                                         l += (1.0f / 1024.0f);
8261                                                 if (shortest[0].length2 > l || i == 0)
8262                                                 {
8263                                                         shortest[1] = shortest[0];
8264                                                         shortest[0].length2 = l;
8265                                                         shortest[0].v1 = v1;
8266                                                         shortest[0].v2 = v2;
8267                                                 }
8268                                                 else if (shortest[1].length2 > l || i == 1)
8269                                                 {
8270                                                         shortest[1].length2 = l;
8271                                                         shortest[1].v1 = v1;
8272                                                         shortest[1].v2 = v2;
8273                                                 }
8274                                         }
8275                                         VectorLerp(shortest[0].v1, 0.5f, shortest[0].v2, start);
8276                                         VectorLerp(shortest[1].v1, 0.5f, shortest[1].v2, end);
8277                                         // this calculates the right vector from the shortest edge
8278                                         // and the up vector from the edge midpoints
8279                                         VectorSubtract(shortest[0].v1, shortest[0].v2, right);
8280                                         VectorNormalize(right);
8281                                         VectorSubtract(end, start, up);
8282                                         VectorNormalize(up);
8283                                         // calculate a forward vector to use instead of the original plane normal (this is how we get a new right vector)
8284                                         VectorSubtract(rsurface.localvieworigin, center, forward);
8285                                         //Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.forward, forward);
8286                                         VectorNegate(forward, forward);
8287                                         VectorReflect(forward, 0, up, forward);
8288                                         VectorNormalize(forward);
8289                                         CrossProduct(up, forward, newright);
8290                                         VectorNormalize(newright);
8291                                         // rotate the quad around the up axis vector, this is made
8292                                         // especially easy by the fact we know the quad is flat,
8293                                         // so we only have to subtract the center position and
8294                                         // measure distance along the right vector, and then
8295                                         // multiply that by the newright vector and add back the
8296                                         // center position
8297                                         // we also need to subtract the old position to undo the
8298                                         // displacement from the center, which we do with a
8299                                         // DotProduct, the subtraction/addition of center is also
8300                                         // optimized into DotProducts here
8301                                         l = DotProduct(right, center);
8302                                         for (i = 0;i < 4;i++)
8303                                         {
8304                                                 v1 = rsurface.batchvertex3f + 3*(j+i);
8305                                                 f = DotProduct(right, v1) - l;
8306                                                 VectorMAMAM(1, v1, -f, right, f, newright, rsurface.batchvertex3f + 3*(j+i));
8307                                         }
8308                                 }
8309                         }
8310                         if(batchneed & (BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_VECTOR)) // otherwise these can stay NULL
8311                         {
8312 //                              rsurface.batchnormal3f = R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
8313 //                              rsurface.batchnormal3f_vertexbuffer = NULL;
8314 //                              rsurface.batchnormal3f_bufferoffset = 0;
8315                                 Mod_BuildNormals(rsurface.batchfirstvertex, batchnumvertices, batchnumtriangles, rsurface.batchvertex3f, rsurface.batchelement3i + 3 * rsurface.batchfirsttriangle, rsurface.batchnormal3f, r_smoothnormals_areaweighting.integer != 0);
8316                         }
8317                         if(batchneed & BATCHNEED_ARRAY_VECTOR) // otherwise these can stay NULL
8318                         {
8319 //                              rsurface.batchsvector3f = R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
8320 //                              rsurface.batchsvector3f_vertexbuffer = NULL;
8321 //                              rsurface.batchsvector3f_bufferoffset = 0;
8322 //                              rsurface.batchtvector3f = R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
8323 //                              rsurface.batchtvector3f_vertexbuffer = NULL;
8324 //                              rsurface.batchtvector3f_bufferoffset = 0;
8325                                 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);
8326                         }
8327                         break;
8328                 case Q3DEFORM_NORMAL:
8329                         // deform the normals to make reflections wavey
8330                         rsurface.batchnormal3f = (float *)R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchnormal3f);
8331                         rsurface.batchnormal3f_vertexbuffer = NULL;
8332                         rsurface.batchnormal3f_bufferoffset = 0;
8333                         for (j = 0;j < batchnumvertices;j++)
8334                         {
8335                                 float vertex[3];
8336                                 float *normal = rsurface.batchnormal3f + 3*j;
8337                                 VectorScale(rsurface.batchvertex3f + 3*j, 0.98f, vertex);
8338                                 normal[0] = rsurface.batchnormal3f[j*3+0] + deform->parms[0] * noise4f(      vertex[0], vertex[1], vertex[2], rsurface.shadertime * deform->parms[1]);
8339                                 normal[1] = rsurface.batchnormal3f[j*3+1] + deform->parms[0] * noise4f( 98 + vertex[0], vertex[1], vertex[2], rsurface.shadertime * deform->parms[1]);
8340                                 normal[2] = rsurface.batchnormal3f[j*3+2] + deform->parms[0] * noise4f(196 + vertex[0], vertex[1], vertex[2], rsurface.shadertime * deform->parms[1]);
8341                                 VectorNormalize(normal);
8342                         }
8343                         if(batchneed & BATCHNEED_ARRAY_VECTOR) // otherwise these can stay NULL
8344                         {
8345 //                              rsurface.batchsvector3f = R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
8346 //                              rsurface.batchsvector3f_vertexbuffer = NULL;
8347 //                              rsurface.batchsvector3f_bufferoffset = 0;
8348 //                              rsurface.batchtvector3f = R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
8349 //                              rsurface.batchtvector3f_vertexbuffer = NULL;
8350 //                              rsurface.batchtvector3f_bufferoffset = 0;
8351                                 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);
8352                         }
8353                         break;
8354                 case Q3DEFORM_WAVE:
8355                         // deform vertex array to make wavey water and flags and such
8356                         waveparms[0] = deform->waveparms[0];
8357                         waveparms[1] = deform->waveparms[1];
8358                         waveparms[2] = deform->waveparms[2];
8359                         waveparms[3] = deform->waveparms[3];
8360                         if(!R_TestQ3WaveFunc(deform->wavefunc, waveparms))
8361                                 break; // if wavefunc is a nop, don't make a dynamic vertex array
8362                         // this is how a divisor of vertex influence on deformation
8363                         animpos = deform->parms[0] ? 1.0f / deform->parms[0] : 100.0f;
8364                         scale = R_EvaluateQ3WaveFunc(deform->wavefunc, waveparms);
8365 //                      rsurface.batchvertex3f = R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchvertex3f);
8366 //                      rsurface.batchvertex3f_vertexbuffer = NULL;
8367 //                      rsurface.batchvertex3f_bufferoffset = 0;
8368 //                      rsurface.batchnormal3f = R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchnormal3f);
8369 //                      rsurface.batchnormal3f_vertexbuffer = NULL;
8370 //                      rsurface.batchnormal3f_bufferoffset = 0;
8371                         for (j = 0;j < batchnumvertices;j++)
8372                         {
8373                                 // if the wavefunc depends on time, evaluate it per-vertex
8374                                 if (waveparms[3])
8375                                 {
8376                                         waveparms[2] = deform->waveparms[2] + (rsurface.batchvertex3f[j*3+0] + rsurface.batchvertex3f[j*3+1] + rsurface.batchvertex3f[j*3+2]) * animpos;
8377                                         scale = R_EvaluateQ3WaveFunc(deform->wavefunc, waveparms);
8378                                 }
8379                                 VectorMA(rsurface.batchvertex3f + 3*j, scale, rsurface.batchnormal3f + 3*j, rsurface.batchvertex3f + 3*j);
8380                         }
8381                         // if we get here, BATCHNEED_ARRAY_NORMAL is in batchneed, so no need to check
8382                         Mod_BuildNormals(rsurface.batchfirstvertex, batchnumvertices, batchnumtriangles, rsurface.batchvertex3f, rsurface.batchelement3i + 3 * rsurface.batchfirsttriangle, rsurface.batchnormal3f, r_smoothnormals_areaweighting.integer != 0);
8383                         if(batchneed & BATCHNEED_ARRAY_VECTOR) // otherwise these can stay NULL
8384                         {
8385 //                              rsurface.batchsvector3f = R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
8386 //                              rsurface.batchsvector3f_vertexbuffer = NULL;
8387 //                              rsurface.batchsvector3f_bufferoffset = 0;
8388 //                              rsurface.batchtvector3f = R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
8389 //                              rsurface.batchtvector3f_vertexbuffer = NULL;
8390 //                              rsurface.batchtvector3f_bufferoffset = 0;
8391                                 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);
8392                         }
8393                         break;
8394                 case Q3DEFORM_BULGE:
8395                         // deform vertex array to make the surface have moving bulges
8396 //                      rsurface.batchvertex3f = R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchvertex3f);
8397 //                      rsurface.batchvertex3f_vertexbuffer = NULL;
8398 //                      rsurface.batchvertex3f_bufferoffset = 0;
8399 //                      rsurface.batchnormal3f = R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchnormal3f);
8400 //                      rsurface.batchnormal3f_vertexbuffer = NULL;
8401 //                      rsurface.batchnormal3f_bufferoffset = 0;
8402                         for (j = 0;j < batchnumvertices;j++)
8403                         {
8404                                 scale = sin(rsurface.batchtexcoordtexture2f[j*2+0] * deform->parms[0] + rsurface.shadertime * deform->parms[2]) * deform->parms[1];
8405                                 VectorMA(rsurface.batchvertex3f + 3*j, scale, rsurface.batchnormal3f + 3*j, rsurface.batchvertex3f + 3*j);
8406                         }
8407                         // if we get here, BATCHNEED_ARRAY_NORMAL is in batchneed, so no need to check
8408                         Mod_BuildNormals(rsurface.batchfirstvertex, batchnumvertices, batchnumtriangles, rsurface.batchvertex3f, rsurface.batchelement3i + 3 * rsurface.batchfirsttriangle, rsurface.batchnormal3f, r_smoothnormals_areaweighting.integer != 0);
8409                         if(batchneed & BATCHNEED_ARRAY_VECTOR) // otherwise these can stay NULL
8410                         {
8411 //                              rsurface.batchsvector3f = R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
8412 //                              rsurface.batchsvector3f_vertexbuffer = NULL;
8413 //                              rsurface.batchsvector3f_bufferoffset = 0;
8414 //                              rsurface.batchtvector3f = R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
8415 //                              rsurface.batchtvector3f_vertexbuffer = NULL;
8416 //                              rsurface.batchtvector3f_bufferoffset = 0;
8417                                 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);
8418                         }
8419                         break;
8420                 case Q3DEFORM_MOVE:
8421                         // deform vertex array
8422                         if(!R_TestQ3WaveFunc(deform->wavefunc, deform->waveparms))
8423                                 break; // if wavefunc is a nop, don't make a dynamic vertex array
8424                         scale = R_EvaluateQ3WaveFunc(deform->wavefunc, deform->waveparms);
8425                         VectorScale(deform->parms, scale, waveparms);
8426 //                      rsurface.batchvertex3f = R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchvertex3f);
8427 //                      rsurface.batchvertex3f_vertexbuffer = NULL;
8428 //                      rsurface.batchvertex3f_bufferoffset = 0;
8429                         for (j = 0;j < batchnumvertices;j++)
8430                                 VectorAdd(rsurface.batchvertex3f + 3*j, waveparms, rsurface.batchvertex3f + 3*j);
8431                         break;
8432                 }
8433         }
8434
8435         if (rsurface.batchtexcoordtexture2f && rsurface.texture->materialshaderpass)
8436         {
8437         // generate texcoords based on the chosen texcoord source
8438                 switch(rsurface.texture->materialshaderpass->tcgen.tcgen)
8439                 {
8440                 default:
8441                 case Q3TCGEN_TEXTURE:
8442                         break;
8443                 case Q3TCGEN_LIGHTMAP:
8444         //              rsurface.batchtexcoordtexture2f = R_FrameData_Alloc(batchnumvertices * sizeof(float[2]));
8445         //              rsurface.batchtexcoordtexture2f_vertexbuffer = NULL;
8446         //              rsurface.batchtexcoordtexture2f_bufferoffset = 0;
8447                         if (rsurface.batchtexcoordlightmap2f)
8448                                 memcpy(rsurface.batchtexcoordtexture2f, rsurface.batchtexcoordlightmap2f, batchnumvertices * sizeof(float[2]));
8449                         break;
8450                 case Q3TCGEN_VECTOR:
8451         //              rsurface.batchtexcoordtexture2f = R_FrameData_Alloc(batchnumvertices * sizeof(float[2]));
8452         //              rsurface.batchtexcoordtexture2f_vertexbuffer = NULL;
8453         //              rsurface.batchtexcoordtexture2f_bufferoffset = 0;
8454                         for (j = 0;j < batchnumvertices;j++)
8455                         {
8456                                 rsurface.batchtexcoordtexture2f[j*2+0] = DotProduct(rsurface.batchvertex3f + 3*j, rsurface.texture->materialshaderpass->tcgen.parms);
8457                                 rsurface.batchtexcoordtexture2f[j*2+1] = DotProduct(rsurface.batchvertex3f + 3*j, rsurface.texture->materialshaderpass->tcgen.parms + 3);
8458                         }
8459                         break;
8460                 case Q3TCGEN_ENVIRONMENT:
8461                         // make environment reflections using a spheremap
8462                         rsurface.batchtexcoordtexture2f = (float *)R_FrameData_Alloc(batchnumvertices * sizeof(float[2]));
8463                         rsurface.batchtexcoordtexture2f_vertexbuffer = NULL;
8464                         rsurface.batchtexcoordtexture2f_bufferoffset = 0;
8465                         for (j = 0;j < batchnumvertices;j++)
8466                         {
8467                                 // identical to Q3A's method, but executed in worldspace so
8468                                 // carried models can be shiny too
8469
8470                                 float viewer[3], d, reflected[3], worldreflected[3];
8471
8472                                 VectorSubtract(rsurface.localvieworigin, rsurface.batchvertex3f + 3*j, viewer);
8473                                 // VectorNormalize(viewer);
8474
8475                                 d = DotProduct(rsurface.batchnormal3f + 3*j, viewer);
8476
8477                                 reflected[0] = rsurface.batchnormal3f[j*3+0]*2*d - viewer[0];
8478                                 reflected[1] = rsurface.batchnormal3f[j*3+1]*2*d - viewer[1];
8479                                 reflected[2] = rsurface.batchnormal3f[j*3+2]*2*d - viewer[2];
8480                                 // note: this is proportinal to viewer, so we can normalize later
8481
8482                                 Matrix4x4_Transform3x3(&rsurface.matrix, reflected, worldreflected);
8483                                 VectorNormalize(worldreflected);
8484
8485                                 // note: this sphere map only uses world x and z!
8486                                 // so positive and negative y will LOOK THE SAME.
8487                                 rsurface.batchtexcoordtexture2f[j*2+0] = 0.5 + 0.5 * worldreflected[1];
8488                                 rsurface.batchtexcoordtexture2f[j*2+1] = 0.5 - 0.5 * worldreflected[2];
8489                         }
8490                         break;
8491                 }
8492                 // the only tcmod that needs software vertex processing is turbulent, so
8493                 // check for it here and apply the changes if needed
8494                 // and we only support that as the first one
8495                 // (handling a mixture of turbulent and other tcmods would be problematic
8496                 //  without punting it entirely to a software path)
8497                 if (rsurface.texture->materialshaderpass->tcmods[0].tcmod == Q3TCMOD_TURBULENT)
8498                 {
8499                         amplitude = rsurface.texture->materialshaderpass->tcmods[0].parms[1];
8500                         animpos = rsurface.texture->materialshaderpass->tcmods[0].parms[2] + rsurface.shadertime * rsurface.texture->materialshaderpass->tcmods[0].parms[3];
8501         //              rsurface.batchtexcoordtexture2f = R_FrameData_Alloc(batchnumvertices * sizeof(float[2]));
8502         //              rsurface.batchtexcoordtexture2f_vertexbuffer = NULL;
8503         //              rsurface.batchtexcoordtexture2f_bufferoffset = 0;
8504                         for (j = 0;j < batchnumvertices;j++)
8505                         {
8506                                 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);
8507                                 rsurface.batchtexcoordtexture2f[j*2+1] += amplitude * sin(((rsurface.batchvertex3f[j*3+1]                                ) * 1.0 / 1024.0f + animpos) * M_PI * 2);
8508                         }
8509                 }
8510         }
8511 }
8512
8513 void RSurf_DrawBatch(void)
8514 {
8515         // sometimes a zero triangle surface (usually a degenerate patch) makes it
8516         // through the pipeline, killing it earlier in the pipeline would have
8517         // per-surface overhead rather than per-batch overhead, so it's best to
8518         // reject it here, before it hits glDraw.
8519         if (rsurface.batchnumtriangles == 0)
8520                 return;
8521 #if 0
8522         // batch debugging code
8523         if (r_test.integer && rsurface.entity == r_refdef.scene.worldentity && rsurface.batchvertex3f == r_refdef.scene.worldentity->model->surfmesh.data_vertex3f)
8524         {
8525                 int i;
8526                 int j;
8527                 int c;
8528                 const int *e;
8529                 e = rsurface.batchelement3i + rsurface.batchfirsttriangle*3;
8530                 for (i = 0;i < rsurface.batchnumtriangles*3;i++)
8531                 {
8532                         c = e[i];
8533                         for (j = 0;j < rsurface.entity->model->num_surfaces;j++)
8534                         {
8535                                 if (c >= rsurface.modelsurfaces[j].num_firstvertex && c < (rsurface.modelsurfaces[j].num_firstvertex + rsurface.modelsurfaces[j].num_vertices))
8536                                 {
8537                                         if (rsurface.modelsurfaces[j].texture != rsurface.texture)
8538                                                 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);
8539                                         break;
8540                                 }
8541                         }
8542                 }
8543         }
8544 #endif
8545         if (rsurface.batchmultidraw)
8546         {
8547                 // issue multiple draws rather than copying index data
8548                 int numsurfaces = rsurface.batchmultidrawnumsurfaces;
8549                 const msurface_t **surfacelist = rsurface.batchmultidrawsurfacelist;
8550                 int i, j, k, firstvertex, endvertex, firsttriangle, endtriangle;
8551                 for (i = 0;i < numsurfaces;)
8552                 {
8553                         // combine consecutive surfaces as one draw
8554                         for (k = i, j = i + 1;j < numsurfaces;k = j, j++)
8555                                 if (surfacelist[j] != surfacelist[k] + 1)
8556                                         break;
8557                         firstvertex = surfacelist[i]->num_firstvertex;
8558                         endvertex = surfacelist[k]->num_firstvertex + surfacelist[k]->num_vertices;
8559                         firsttriangle = surfacelist[i]->num_firsttriangle;
8560                         endtriangle = surfacelist[k]->num_firsttriangle + surfacelist[k]->num_triangles;
8561                         R_Mesh_Draw(firstvertex, endvertex - firstvertex, firsttriangle, endtriangle - firsttriangle, rsurface.batchelement3i, rsurface.batchelement3i_indexbuffer, rsurface.batchelement3i_bufferoffset, rsurface.batchelement3s, rsurface.batchelement3s_indexbuffer, rsurface.batchelement3s_bufferoffset);
8562                         i = j;
8563                 }
8564         }
8565         else
8566         {
8567                 // there is only one consecutive run of index data (may have been combined)
8568                 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);
8569         }
8570 }
8571
8572 static int RSurf_FindWaterPlaneForSurface(const msurface_t *surface)
8573 {
8574         // pick the closest matching water plane
8575         int planeindex, vertexindex, bestplaneindex = -1;
8576         float d, bestd;
8577         vec3_t vert;
8578         const float *v;
8579         r_waterstate_waterplane_t *p;
8580         qbool prepared = false;
8581         bestd = 0;
8582         for (planeindex = 0, p = r_fb.water.waterplanes;planeindex < r_fb.water.numwaterplanes;planeindex++, p++)
8583         {
8584                 if(p->camera_entity != rsurface.texture->camera_entity)
8585                         continue;
8586                 d = 0;
8587                 if(!prepared)
8588                 {
8589                         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX, 1, &surface);
8590                         prepared = true;
8591                         if(rsurface.batchnumvertices == 0)
8592                                 break;
8593                 }
8594                 for (vertexindex = 0, v = rsurface.batchvertex3f + rsurface.batchfirstvertex * 3;vertexindex < rsurface.batchnumvertices;vertexindex++, v += 3)
8595                 {
8596                         Matrix4x4_Transform(&rsurface.matrix, v, vert);
8597                         d += fabs(PlaneDiff(vert, &p->plane));
8598                 }
8599                 if (bestd > d || bestplaneindex < 0)
8600                 {
8601                         bestd = d;
8602                         bestplaneindex = planeindex;
8603                 }
8604         }
8605         return bestplaneindex;
8606         // NOTE: this MAY return a totally unrelated water plane; we can ignore
8607         // this situation though, as it might be better to render single larger
8608         // batches with useless stuff (backface culled for example) than to
8609         // render multiple smaller batches
8610 }
8611
8612 void RSurf_SetupDepthAndCulling(bool ui)
8613 {
8614         // submodels are biased to avoid z-fighting with world surfaces that they
8615         // may be exactly overlapping (avoids z-fighting artifacts on certain
8616         // doors and things in Quake maps)
8617         GL_DepthRange(0, (rsurface.texture->currentmaterialflags & MATERIALFLAG_SHORTDEPTHRANGE) ? 0.0625 : 1);
8618         GL_PolygonOffset(rsurface.basepolygonfactor + rsurface.texture->biaspolygonfactor, rsurface.basepolygonoffset + rsurface.texture->biaspolygonoffset);
8619         GL_DepthTest(!ui && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST));
8620         GL_CullFace((rsurface.texture->currentmaterialflags & MATERIALFLAG_NOCULLFACE) ? GL_NONE : r_refdef.view.cullface_back);
8621 }
8622
8623 static void R_DrawTextureSurfaceList_Sky(int texturenumsurfaces, const msurface_t **texturesurfacelist)
8624 {
8625         int j;
8626         const float *v;
8627         float p[3], mins[3], maxs[3];
8628         int scissor[4];
8629         // transparent sky would be ridiculous
8630         if (rsurface.texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED)
8631                 return;
8632         R_SetupShader_Generic_NoTexture(false, false);
8633         skyrenderlater = true;
8634         RSurf_SetupDepthAndCulling(false);
8635         GL_DepthMask(true);
8636
8637         // add the vertices of the surfaces to a world bounding box so we can scissor the sky render later
8638         if (r_sky_scissor.integer)
8639         {
8640                 RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_NOGAPS, texturenumsurfaces, texturesurfacelist);
8641                 for (j = 0, v = rsurface.batchvertex3f + 3 * rsurface.batchfirstvertex; j < rsurface.batchnumvertices; j++, v += 3)
8642                 {
8643                         Matrix4x4_Transform(&rsurface.matrix, v, p);
8644                         if (j > 0)
8645                         {
8646                                 if (mins[0] > p[0]) mins[0] = p[0];
8647                                 if (mins[1] > p[1]) mins[1] = p[1];
8648                                 if (mins[2] > p[2]) mins[2] = p[2];
8649                                 if (maxs[0] < p[0]) maxs[0] = p[0];
8650                                 if (maxs[1] < p[1]) maxs[1] = p[1];
8651                                 if (maxs[2] < p[2]) maxs[2] = p[2];
8652                         }
8653                         else
8654                         {
8655                                 VectorCopy(p, mins);
8656                                 VectorCopy(p, maxs);
8657                         }
8658                 }
8659                 if (!R_ScissorForBBox(mins, maxs, scissor))
8660                 {
8661                         if (skyscissor[2])
8662                         {
8663                                 if (skyscissor[0] > scissor[0])
8664                                 {
8665                                         skyscissor[2] += skyscissor[0] - scissor[0];
8666                                         skyscissor[0] = scissor[0];
8667                                 }
8668                                 if (skyscissor[1] > scissor[1])
8669                                 {
8670                                         skyscissor[3] += skyscissor[1] - scissor[1];
8671                                         skyscissor[1] = scissor[1];
8672                                 }
8673                                 if (skyscissor[0] + skyscissor[2] < scissor[0] + scissor[2])
8674                                         skyscissor[2] = scissor[0] + scissor[2] - skyscissor[0];
8675                                 if (skyscissor[1] + skyscissor[3] < scissor[1] + scissor[3])
8676                                         skyscissor[3] = scissor[1] + scissor[3] - skyscissor[1];
8677                         }
8678                         else
8679                                 Vector4Copy(scissor, skyscissor);
8680                 }
8681         }
8682
8683         // LadyHavoc: HalfLife maps have freaky skypolys so don't use
8684         // skymasking on them, and Quake3 never did sky masking (unlike
8685         // software Quake and software Quake2), so disable the sky masking
8686         // in Quake3 maps as it causes problems with q3map2 sky tricks,
8687         // and skymasking also looks very bad when noclipping outside the
8688         // level, so don't use it then either.
8689         if (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.skymasking && (r_refdef.scene.worldmodel->brush.isq3bsp ? r_q3bsp_renderskydepth.integer : r_q1bsp_skymasking.integer) && !r_refdef.viewcache.world_novis && !r_trippy.integer)
8690         {
8691                 R_Mesh_ResetTextureState();
8692                 if (skyrendermasked)
8693                 {
8694                         R_SetupShader_DepthOrShadow(false, false, false);
8695                         // depth-only (masking)
8696                         GL_ColorMask(0, 0, 0, 0);
8697                         // just to make sure that braindead drivers don't draw
8698                         // anything despite that colormask...
8699                         GL_BlendFunc(GL_ZERO, GL_ONE);
8700                         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_ALLOWMULTIDRAW, texturenumsurfaces, texturesurfacelist);
8701                         R_Mesh_PrepareVertices_Vertex3f(rsurface.batchnumvertices, rsurface.batchvertex3f, rsurface.batchvertex3f_vertexbuffer, rsurface.batchvertex3f_bufferoffset);
8702                 }
8703                 else
8704                 {
8705                         R_SetupShader_Generic_NoTexture(false, false);
8706                         // fog sky
8707                         GL_BlendFunc(GL_ONE, GL_ZERO);
8708                         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_NOGAPS, texturenumsurfaces, texturesurfacelist);
8709                         GL_Color(r_refdef.fogcolor[0], r_refdef.fogcolor[1], r_refdef.fogcolor[2], 1);
8710                         R_Mesh_PrepareVertices_Generic_Arrays(rsurface.batchnumvertices, rsurface.batchvertex3f, NULL, NULL);
8711                 }
8712                 RSurf_DrawBatch();
8713                 if (skyrendermasked)
8714                         GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1);
8715         }
8716         R_Mesh_ResetTextureState();
8717         GL_Color(1, 1, 1, 1);
8718 }
8719
8720 extern rtexture_t *r_shadow_prepasslightingdiffusetexture;
8721 extern rtexture_t *r_shadow_prepasslightingspeculartexture;
8722 static void R_DrawTextureSurfaceList_GL20(int texturenumsurfaces, const msurface_t **texturesurfacelist, qbool writedepth, qbool prepass, qbool ui)
8723 {
8724         if (r_fb.water.renderingscene && (rsurface.texture->currentmaterialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_REFLECTION | MATERIALFLAG_CAMERA)))
8725                 return;
8726         if (prepass)
8727         {
8728                 // render screenspace normalmap to texture
8729                 GL_DepthMask(true);
8730                 R_SetupShader_Surface(vec3_origin, vec3_origin, vec3_origin, RSURFPASS_DEFERREDGEOMETRY, texturenumsurfaces, texturesurfacelist, NULL, false, false);
8731                 RSurf_DrawBatch();
8732                 return;
8733         }
8734
8735         // bind lightmap texture
8736
8737         // water/refraction/reflection/camera surfaces have to be handled specially
8738         if ((rsurface.texture->currentmaterialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_CAMERA | MATERIALFLAG_REFLECTION)))
8739         {
8740                 int start, end, startplaneindex;
8741                 for (start = 0;start < texturenumsurfaces;start = end)
8742                 {
8743                         startplaneindex = RSurf_FindWaterPlaneForSurface(texturesurfacelist[start]);
8744                         if(startplaneindex < 0)
8745                         {
8746                                 // this happens if the plane e.g. got backface culled and thus didn't get a water plane. We can just ignore this.
8747                                 // Con_Printf("No matching water plane for surface with material flags 0x%08x - PLEASE DEBUG THIS\n", rsurface.texture->currentmaterialflags);
8748                                 end = start + 1;
8749                                 continue;
8750                         }
8751                         for (end = start + 1;end < texturenumsurfaces && startplaneindex == RSurf_FindWaterPlaneForSurface(texturesurfacelist[end]);end++)
8752                                 ;
8753                         // now that we have a batch using the same planeindex, render it
8754                         if ((rsurface.texture->currentmaterialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_CAMERA)))
8755                         {
8756                                 // render water or distortion background
8757                                 GL_DepthMask(true);
8758                                 R_SetupShader_Surface(vec3_origin, vec3_origin, vec3_origin, RSURFPASS_BACKGROUND, end-start, texturesurfacelist + start, (void *)(r_fb.water.waterplanes + startplaneindex), false, false);
8759                                 RSurf_DrawBatch();
8760                                 // blend surface on top
8761                                 GL_DepthMask(false);
8762                                 R_SetupShader_Surface(vec3_origin, vec3_origin, vec3_origin, RSURFPASS_BASE, end-start, texturesurfacelist + start, NULL, false, false);
8763                                 RSurf_DrawBatch();
8764                         }
8765                         else if ((rsurface.texture->currentmaterialflags & MATERIALFLAG_REFLECTION))
8766                         {
8767                                 // render surface with reflection texture as input
8768                                 GL_DepthMask(writedepth && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_BLENDED));
8769                                 R_SetupShader_Surface(vec3_origin, vec3_origin, vec3_origin, RSURFPASS_BASE, end-start, texturesurfacelist + start, (void *)(r_fb.water.waterplanes + startplaneindex), false, false);
8770                                 RSurf_DrawBatch();
8771                         }
8772                 }
8773                 return;
8774         }
8775
8776         // render surface batch normally
8777         GL_DepthMask(writedepth && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_BLENDED));
8778         R_SetupShader_Surface(vec3_origin, vec3_origin, vec3_origin, RSURFPASS_BASE, texturenumsurfaces, texturesurfacelist, NULL, (rsurface.texture->currentmaterialflags & MATERIALFLAG_SKY) != 0 || ui, ui);
8779         RSurf_DrawBatch();
8780 }
8781
8782 static void R_DrawTextureSurfaceList_ShowSurfaces(int texturenumsurfaces, const msurface_t **texturesurfacelist, qbool writedepth)
8783 {
8784         int vi;
8785         int j;
8786         int texturesurfaceindex;
8787         int k;
8788         const msurface_t *surface;
8789         float surfacecolor4f[4];
8790         float c[4];
8791         texture_t *t = rsurface.texture;
8792
8793 //      R_Mesh_ResetTextureState();
8794         R_SetupShader_Generic_NoTexture(false, false);
8795
8796         GL_BlendFunc(GL_ONE, GL_ZERO);
8797         GL_DepthMask(writedepth);
8798
8799         switch (r_showsurfaces.integer)
8800         {
8801                 case 1:
8802                 default:
8803                         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_VERTEXCOLOR | BATCHNEED_ALWAYSCOPY, texturenumsurfaces, texturesurfacelist);
8804                         vi = 0;
8805                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
8806                         {
8807                                 surface = texturesurfacelist[texturesurfaceindex];
8808                                 k = (int)(((size_t)surface) / sizeof(msurface_t));
8809                                 Vector4Set(surfacecolor4f, (k & 0xF) * (1.0f / 16.0f), (k & 0xF0) * (1.0f / 256.0f), (k & 0xF00) * (1.0f / 4096.0f), 1);
8810                                 for (j = 0;j < surface->num_vertices;j++)
8811                                 {
8812                                         Vector4Copy(surfacecolor4f, rsurface.batchlightmapcolor4f + 4 * vi);
8813                                         vi++;
8814                                 }
8815                         }
8816                         break;
8817                 case 3:
8818                         if(t && t->currentskinframe)
8819                         {
8820                                 Vector4Copy(t->currentskinframe->avgcolor, c);
8821                                 c[3] *= t->currentalpha;
8822                         }
8823                         else
8824                         {
8825                                 Vector4Set(c, 1, 0, 1, 1);
8826                         }
8827                         if (t && (t->pantstexture || t->shirttexture))
8828                         {
8829                                 VectorMAM(0.7, t->render_colormap_pants, 0.3, t->render_colormap_shirt, c);
8830                         }
8831                         VectorScale(c, 2 * r_refdef.view.colorscale, c);
8832                         if(t->currentmaterialflags & MATERIALFLAG_WATERALPHA)
8833                                 c[3] *= r_wateralpha.value;
8834                         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_VERTEXCOLOR | BATCHNEED_ALWAYSCOPY, texturenumsurfaces, texturesurfacelist);
8835                         vi = 0;
8836                         if (rsurface.modellightmapcolor4f)
8837                         {
8838                                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
8839                                 {
8840                                         surface = texturesurfacelist[texturesurfaceindex];
8841                                         for (j = 0;j < surface->num_vertices;j++)
8842                                         {
8843                                                 float *ptr = rsurface.batchlightmapcolor4f + 4 * vi;
8844                                                 Vector4Multiply(ptr, c, ptr);
8845                                                 vi++;
8846                                         }
8847                                 }
8848                         }
8849                         else
8850                         {
8851                                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
8852                                 {
8853                                         surface = texturesurfacelist[texturesurfaceindex];
8854                                         for (j = 0;j < surface->num_vertices;j++)
8855                                         {
8856                                                 float *ptr = rsurface.batchlightmapcolor4f + 4 * vi;
8857                                                 Vector4Copy(c, ptr);
8858                                                 vi++;
8859                                         }
8860                                 }
8861                         }
8862                         break;
8863         }
8864         R_Mesh_PrepareVertices_Generic_Arrays(rsurface.batchnumvertices, rsurface.batchvertex3f, rsurface.batchlightmapcolor4f, rsurface.batchtexcoordtexture2f);
8865         RSurf_DrawBatch();
8866 }
8867
8868 static void R_DrawModelTextureSurfaceList(int texturenumsurfaces, const msurface_t **texturesurfacelist, qbool writedepth, qbool prepass, qbool ui)
8869 {
8870         CHECKGLERROR
8871         RSurf_SetupDepthAndCulling(ui);
8872         if (r_showsurfaces.integer && r_refdef.view.showdebug)
8873         {
8874                 R_DrawTextureSurfaceList_ShowSurfaces(texturenumsurfaces, texturesurfacelist, writedepth);
8875                 return;
8876         }
8877         switch (vid.renderpath)
8878         {
8879         case RENDERPATH_GL32:
8880         case RENDERPATH_GLES2:
8881                 R_DrawTextureSurfaceList_GL20(texturenumsurfaces, texturesurfacelist, writedepth, prepass, ui);
8882                 break;
8883         }
8884         CHECKGLERROR
8885 }
8886
8887 static void R_DrawSurface_TransparentCallback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
8888 {
8889         int i, j;
8890         int texturenumsurfaces, endsurface;
8891         texture_t *texture;
8892         const msurface_t *surface;
8893         const msurface_t *texturesurfacelist[MESHQUEUE_TRANSPARENT_BATCHSIZE];
8894
8895         RSurf_ActiveModelEntity(ent, true, true, false);
8896
8897         if (r_transparentdepthmasking.integer)
8898         {
8899                 qbool setup = false;
8900                 for (i = 0;i < numsurfaces;i = j)
8901                 {
8902                         j = i + 1;
8903                         surface = rsurface.modelsurfaces + surfacelist[i];
8904                         texture = surface->texture;
8905                         rsurface.texture = R_GetCurrentTexture(texture);
8906                         rsurface.lightmaptexture = NULL;
8907                         rsurface.deluxemaptexture = NULL;
8908                         rsurface.uselightmaptexture = false;
8909                         // scan ahead until we find a different texture
8910                         endsurface = min(i + 1024, numsurfaces);
8911                         texturenumsurfaces = 0;
8912                         texturesurfacelist[texturenumsurfaces++] = surface;
8913                         for (;j < endsurface;j++)
8914                         {
8915                                 surface = rsurface.modelsurfaces + surfacelist[j];
8916                                 if (texture != surface->texture)
8917                                         break;
8918                                 texturesurfacelist[texturenumsurfaces++] = surface;
8919                         }
8920                         if (!(rsurface.texture->currentmaterialflags & MATERIALFLAG_TRANSDEPTH))
8921                                 continue;
8922                         // render the range of surfaces as depth
8923                         if (!setup)
8924                         {
8925                                 setup = true;
8926                                 GL_ColorMask(0,0,0,0);
8927                                 GL_Color(1,1,1,1);
8928                                 GL_DepthTest(true);
8929                                 GL_BlendFunc(GL_ONE, GL_ZERO);
8930                                 GL_DepthMask(true);
8931 //                              R_Mesh_ResetTextureState();
8932                         }
8933                         RSurf_SetupDepthAndCulling(false);
8934                         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_ALLOWMULTIDRAW, texturenumsurfaces, texturesurfacelist);
8935                         R_SetupShader_DepthOrShadow(false, false, !!rsurface.batchskeletaltransform3x4);
8936                         R_Mesh_PrepareVertices_Vertex3f(rsurface.batchnumvertices, rsurface.batchvertex3f, rsurface.batchvertex3f_vertexbuffer, rsurface.batchvertex3f_bufferoffset);
8937                         RSurf_DrawBatch();
8938                 }
8939                 if (setup)
8940                         GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1);
8941         }
8942
8943         for (i = 0;i < numsurfaces;i = j)
8944         {
8945                 j = i + 1;
8946                 surface = rsurface.modelsurfaces + surfacelist[i];
8947                 texture = surface->texture;
8948                 rsurface.texture = R_GetCurrentTexture(texture);
8949                 // scan ahead until we find a different texture
8950                 endsurface = min(i + MESHQUEUE_TRANSPARENT_BATCHSIZE, numsurfaces);
8951                 texturenumsurfaces = 0;
8952                 texturesurfacelist[texturenumsurfaces++] = surface;
8953                         rsurface.lightmaptexture = surface->lightmaptexture;
8954                         rsurface.deluxemaptexture = surface->deluxemaptexture;
8955                         rsurface.uselightmaptexture = surface->lightmaptexture != NULL;
8956                         for (;j < endsurface;j++)
8957                         {
8958                                 surface = rsurface.modelsurfaces + surfacelist[j];
8959                                 if (texture != surface->texture || rsurface.lightmaptexture != surface->lightmaptexture)
8960                                         break;
8961                                 texturesurfacelist[texturenumsurfaces++] = surface;
8962                         }
8963                 // render the range of surfaces
8964                 R_DrawModelTextureSurfaceList(texturenumsurfaces, texturesurfacelist, false, false, false);
8965         }
8966         rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveModelEntity
8967 }
8968
8969 static void R_ProcessTransparentTextureSurfaceList(int texturenumsurfaces, const msurface_t **texturesurfacelist)
8970 {
8971         // transparent surfaces get pushed off into the transparent queue
8972         int surfacelistindex;
8973         const msurface_t *surface;
8974         vec3_t tempcenter, center;
8975         for (surfacelistindex = 0;surfacelistindex < texturenumsurfaces;surfacelistindex++)
8976         {
8977                 surface = texturesurfacelist[surfacelistindex];
8978                 if (r_transparent_sortsurfacesbynearest.integer)
8979                 {
8980                         tempcenter[0] = bound(surface->mins[0], rsurface.localvieworigin[0], surface->maxs[0]);
8981                         tempcenter[1] = bound(surface->mins[1], rsurface.localvieworigin[1], surface->maxs[1]);
8982                         tempcenter[2] = bound(surface->mins[2], rsurface.localvieworigin[2], surface->maxs[2]);
8983                 }
8984                 else
8985                 {
8986                         tempcenter[0] = (surface->mins[0] + surface->maxs[0]) * 0.5f;
8987                         tempcenter[1] = (surface->mins[1] + surface->maxs[1]) * 0.5f;
8988                         tempcenter[2] = (surface->mins[2] + surface->maxs[2]) * 0.5f;
8989                 }
8990                 Matrix4x4_Transform(&rsurface.matrix, tempcenter, center);
8991                 if (rsurface.entity->transparent_offset) // transparent offset
8992                 {
8993                         center[0] += r_refdef.view.forward[0]*rsurface.entity->transparent_offset;
8994                         center[1] += r_refdef.view.forward[1]*rsurface.entity->transparent_offset;
8995                         center[2] += r_refdef.view.forward[2]*rsurface.entity->transparent_offset;
8996                 }
8997                 R_MeshQueue_AddTransparent((rsurface.entity->flags & RENDER_WORLDOBJECT) ? TRANSPARENTSORT_SKY : (rsurface.texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST) ? TRANSPARENTSORT_HUD : rsurface.texture->transparentsort, center, R_DrawSurface_TransparentCallback, rsurface.entity, surface - rsurface.modelsurfaces, rsurface.rtlight);
8998         }
8999 }
9000
9001 static void R_DrawTextureSurfaceList_DepthOnly(int texturenumsurfaces, const msurface_t **texturesurfacelist)
9002 {
9003         if ((rsurface.texture->currentmaterialflags & (MATERIALFLAG_NODEPTHTEST | MATERIALFLAG_BLENDED | MATERIALFLAG_ALPHATEST)))
9004                 return;
9005         if (r_fb.water.renderingscene && (rsurface.texture->currentmaterialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFLECTION)))
9006                 return;
9007         RSurf_SetupDepthAndCulling(false);
9008         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_ALLOWMULTIDRAW, texturenumsurfaces, texturesurfacelist);
9009         R_Mesh_PrepareVertices_Vertex3f(rsurface.batchnumvertices, rsurface.batchvertex3f, rsurface.batchvertex3f_vertexbuffer, rsurface.batchvertex3f_bufferoffset);
9010         R_SetupShader_DepthOrShadow(false, false, !!rsurface.batchskeletaltransform3x4);
9011         RSurf_DrawBatch();
9012 }
9013
9014 static void R_ProcessModelTextureSurfaceList(int texturenumsurfaces, const msurface_t **texturesurfacelist, qbool writedepth, qbool depthonly, qbool prepass, qbool ui)
9015 {
9016         CHECKGLERROR
9017         if (ui)
9018                 R_DrawModelTextureSurfaceList(texturenumsurfaces, texturesurfacelist, writedepth, prepass, ui);
9019         else if (depthonly)
9020                 R_DrawTextureSurfaceList_DepthOnly(texturenumsurfaces, texturesurfacelist);
9021         else if (prepass)
9022         {
9023                 if (!(rsurface.texture->currentmaterialflags & MATERIALFLAG_WALL))
9024                         return;
9025                 if (rsurface.texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED)
9026                         R_ProcessTransparentTextureSurfaceList(texturenumsurfaces, texturesurfacelist);
9027                 else
9028                         R_DrawModelTextureSurfaceList(texturenumsurfaces, texturesurfacelist, writedepth, prepass, ui);
9029         }
9030         else if ((rsurface.texture->currentmaterialflags & MATERIALFLAG_SKY) && (!r_showsurfaces.integer || r_showsurfaces.integer == 3))
9031                 R_DrawTextureSurfaceList_Sky(texturenumsurfaces, texturesurfacelist);
9032         else if (!(rsurface.texture->currentmaterialflags & MATERIALFLAG_WALL))
9033                 return;
9034         else if (((rsurface.texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED) || (r_showsurfaces.integer == 3 && (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST))))
9035         {
9036                 // in the deferred case, transparent surfaces were queued during prepass
9037                 if (!r_shadow_usingdeferredprepass)
9038                         R_ProcessTransparentTextureSurfaceList(texturenumsurfaces, texturesurfacelist);
9039         }
9040         else
9041         {
9042                 // the alphatest check is to make sure we write depth for anything we skipped on the depth-only pass earlier
9043                 R_DrawModelTextureSurfaceList(texturenumsurfaces, texturesurfacelist, writedepth || (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST), prepass, ui);
9044         }
9045         CHECKGLERROR
9046 }
9047
9048 static void R_QueueModelSurfaceList(entity_render_t *ent, int numsurfaces, const msurface_t **surfacelist, int flagsmask, qbool writedepth, qbool depthonly, qbool prepass, qbool ui)
9049 {
9050         int i, j;
9051         texture_t *texture;
9052         R_FrameData_SetMark();
9053         // break the surface list down into batches by texture and use of lightmapping
9054         for (i = 0;i < numsurfaces;i = j)
9055         {
9056                 j = i + 1;
9057                 // texture is the base texture pointer, rsurface.texture is the
9058                 // current frame/skin the texture is directing us to use (for example
9059                 // if a model has 2 skins and it is on skin 1, then skin 0 tells us to
9060                 // use skin 1 instead)
9061                 texture = surfacelist[i]->texture;
9062                 rsurface.texture = R_GetCurrentTexture(texture);
9063                 if (!(rsurface.texture->currentmaterialflags & flagsmask) || (rsurface.texture->currentmaterialflags & MATERIALFLAG_NODRAW))
9064                 {
9065                         // if this texture is not the kind we want, skip ahead to the next one
9066                         for (;j < numsurfaces && texture == surfacelist[j]->texture;j++)
9067                                 ;
9068                         continue;
9069                 }
9070                 if(depthonly || prepass)
9071                 {
9072                         rsurface.lightmaptexture = NULL;
9073                         rsurface.deluxemaptexture = NULL;
9074                         rsurface.uselightmaptexture = false;
9075                         // simply scan ahead until we find a different texture or lightmap state
9076                         for (;j < numsurfaces && texture == surfacelist[j]->texture;j++)
9077                                 ;
9078                 }
9079                 else
9080                 {
9081                         rsurface.lightmaptexture = surfacelist[i]->lightmaptexture;
9082                         rsurface.deluxemaptexture = surfacelist[i]->deluxemaptexture;
9083                         rsurface.uselightmaptexture = surfacelist[i]->lightmaptexture != NULL;
9084                         // simply scan ahead until we find a different texture or lightmap state
9085                         for (;j < numsurfaces && texture == surfacelist[j]->texture && rsurface.lightmaptexture == surfacelist[j]->lightmaptexture;j++)
9086                                 ;
9087                 }
9088                 // render the range of surfaces
9089                 R_ProcessModelTextureSurfaceList(j - i, surfacelist + i, writedepth, depthonly, prepass, ui);
9090         }
9091         R_FrameData_ReturnToMark();
9092 }
9093
9094 float locboxvertex3f[6*4*3] =
9095 {
9096         1,0,1, 1,0,0, 1,1,0, 1,1,1,
9097         0,1,1, 0,1,0, 0,0,0, 0,0,1,
9098         1,1,1, 1,1,0, 0,1,0, 0,1,1,
9099         0,0,1, 0,0,0, 1,0,0, 1,0,1,
9100         0,0,1, 1,0,1, 1,1,1, 0,1,1,
9101         1,0,0, 0,0,0, 0,1,0, 1,1,0
9102 };
9103
9104 unsigned short locboxelements[6*2*3] =
9105 {
9106          0, 1, 2, 0, 2, 3,
9107          4, 5, 6, 4, 6, 7,
9108          8, 9,10, 8,10,11,
9109         12,13,14, 12,14,15,
9110         16,17,18, 16,18,19,
9111         20,21,22, 20,22,23
9112 };
9113
9114 static void R_DrawLoc_Callback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
9115 {
9116         int i, j;
9117         cl_locnode_t *loc = (cl_locnode_t *)ent;
9118         vec3_t mins, size;
9119         float vertex3f[6*4*3];
9120         CHECKGLERROR
9121         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
9122         GL_DepthMask(false);
9123         GL_DepthRange(0, 1);
9124         GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
9125         GL_DepthTest(true);
9126         GL_CullFace(GL_NONE);
9127         R_EntityMatrix(&identitymatrix);
9128
9129 //      R_Mesh_ResetTextureState();
9130
9131         i = surfacelist[0];
9132         GL_Color(((i & 0x0007) >> 0) * (1.0f / 7.0f) * r_refdef.view.colorscale,
9133                          ((i & 0x0038) >> 3) * (1.0f / 7.0f) * r_refdef.view.colorscale,
9134                          ((i & 0x01C0) >> 6) * (1.0f / 7.0f) * r_refdef.view.colorscale,
9135                         surfacelist[0] < 0 ? 0.5f : 0.125f);
9136
9137         if (VectorCompare(loc->mins, loc->maxs))
9138         {
9139                 VectorSet(size, 2, 2, 2);
9140                 VectorMA(loc->mins, -0.5f, size, mins);
9141         }
9142         else
9143         {
9144                 VectorCopy(loc->mins, mins);
9145                 VectorSubtract(loc->maxs, loc->mins, size);
9146         }
9147
9148         for (i = 0;i < 6*4*3;)
9149                 for (j = 0;j < 3;j++, i++)
9150                         vertex3f[i] = mins[j] + size[j] * locboxvertex3f[i];
9151
9152         R_Mesh_PrepareVertices_Generic_Arrays(6*4, vertex3f, NULL, NULL);
9153         R_SetupShader_Generic_NoTexture(false, false);
9154         R_Mesh_Draw(0, 6*4, 0, 6*2, NULL, NULL, 0, locboxelements, NULL, 0);
9155 }
9156
9157 void R_DrawLocs(void)
9158 {
9159         int index;
9160         cl_locnode_t *loc, *nearestloc;
9161         vec3_t center;
9162         nearestloc = CL_Locs_FindNearest(cl.movement_origin);
9163         for (loc = cl.locnodes, index = 0;loc;loc = loc->next, index++)
9164         {
9165                 VectorLerp(loc->mins, 0.5f, loc->maxs, center);
9166                 R_MeshQueue_AddTransparent(TRANSPARENTSORT_DISTANCE, center, R_DrawLoc_Callback, (entity_render_t *)loc, loc == nearestloc ? -1 : index, NULL);
9167         }
9168 }
9169
9170 void R_DecalSystem_Reset(decalsystem_t *decalsystem)
9171 {
9172         if (decalsystem->decals)
9173                 Mem_Free(decalsystem->decals);
9174         memset(decalsystem, 0, sizeof(*decalsystem));
9175 }
9176
9177 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, unsigned int decalsequence)
9178 {
9179         tridecal_t *decal;
9180         tridecal_t *decals;
9181         int i;
9182
9183         // expand or initialize the system
9184         if (decalsystem->maxdecals <= decalsystem->numdecals)
9185         {
9186                 decalsystem_t old = *decalsystem;
9187                 qbool useshortelements;
9188                 decalsystem->maxdecals = max(16, decalsystem->maxdecals * 2);
9189                 useshortelements = decalsystem->maxdecals * 3 <= 65536;
9190                 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)));
9191                 decalsystem->color4f = (float *)(decalsystem->decals + decalsystem->maxdecals);
9192                 decalsystem->texcoord2f = (float *)(decalsystem->color4f + decalsystem->maxdecals*12);
9193                 decalsystem->vertex3f = (float *)(decalsystem->texcoord2f + decalsystem->maxdecals*6);
9194                 decalsystem->element3i = (int *)(decalsystem->vertex3f + decalsystem->maxdecals*9);
9195                 decalsystem->element3s = (useshortelements ? ((unsigned short *)(decalsystem->element3i + decalsystem->maxdecals*3)) : NULL);
9196                 if (decalsystem->numdecals)
9197                         memcpy(decalsystem->decals, old.decals, decalsystem->numdecals * sizeof(tridecal_t));
9198                 if (old.decals)
9199                         Mem_Free(old.decals);
9200                 for (i = 0;i < decalsystem->maxdecals*3;i++)
9201                         decalsystem->element3i[i] = i;
9202                 if (useshortelements)
9203                         for (i = 0;i < decalsystem->maxdecals*3;i++)
9204                                 decalsystem->element3s[i] = i;
9205         }
9206
9207         // grab a decal and search for another free slot for the next one
9208         decals = decalsystem->decals;
9209         decal = decalsystem->decals + (i = decalsystem->freedecal++);
9210         for (i = decalsystem->freedecal;i < decalsystem->numdecals && decals[i].color4f[0][3];i++)
9211                 ;
9212         decalsystem->freedecal = i;
9213         if (decalsystem->numdecals <= i)
9214                 decalsystem->numdecals = i + 1;
9215
9216         // initialize the decal
9217         decal->lived = 0;
9218         decal->triangleindex = triangleindex;
9219         decal->surfaceindex = surfaceindex;
9220         decal->decalsequence = decalsequence;
9221         decal->color4f[0][0] = c0[0];
9222         decal->color4f[0][1] = c0[1];
9223         decal->color4f[0][2] = c0[2];
9224         decal->color4f[0][3] = 1;
9225         decal->color4f[1][0] = c1[0];
9226         decal->color4f[1][1] = c1[1];
9227         decal->color4f[1][2] = c1[2];
9228         decal->color4f[1][3] = 1;
9229         decal->color4f[2][0] = c2[0];
9230         decal->color4f[2][1] = c2[1];
9231         decal->color4f[2][2] = c2[2];
9232         decal->color4f[2][3] = 1;
9233         decal->vertex3f[0][0] = v0[0];
9234         decal->vertex3f[0][1] = v0[1];
9235         decal->vertex3f[0][2] = v0[2];
9236         decal->vertex3f[1][0] = v1[0];
9237         decal->vertex3f[1][1] = v1[1];
9238         decal->vertex3f[1][2] = v1[2];
9239         decal->vertex3f[2][0] = v2[0];
9240         decal->vertex3f[2][1] = v2[1];
9241         decal->vertex3f[2][2] = v2[2];
9242         decal->texcoord2f[0][0] = t0[0];
9243         decal->texcoord2f[0][1] = t0[1];
9244         decal->texcoord2f[1][0] = t1[0];
9245         decal->texcoord2f[1][1] = t1[1];
9246         decal->texcoord2f[2][0] = t2[0];
9247         decal->texcoord2f[2][1] = t2[1];
9248         TriangleNormal(v0, v1, v2, decal->plane);
9249         VectorNormalize(decal->plane);
9250         decal->plane[3] = DotProduct(v0, decal->plane);
9251 }
9252
9253 extern cvar_t cl_decals_bias;
9254 extern cvar_t cl_decals_models;
9255 extern cvar_t cl_decals_newsystem_intensitymultiplier;
9256 // baseparms, parms, temps
9257 static void R_DecalSystem_SplatTriangle(decalsystem_t *decalsystem, float r, float g, float b, float a, float s1, float t1, float s2, float t2, unsigned int decalsequence, qbool dynamic, float (*planes)[4], matrix4x4_t *projection, int triangleindex, int surfaceindex)
9258 {
9259         int cornerindex;
9260         int index;
9261         float v[9][3];
9262         const float *vertex3f;
9263         const float *normal3f;
9264         int numpoints;
9265         float points[2][9][3];
9266         float temp[3];
9267         float tc[9][2];
9268         float f;
9269         float c[9][4];
9270         const int *e;
9271
9272         e = rsurface.modelelement3i + 3*triangleindex;
9273
9274         vertex3f = rsurface.modelvertex3f;
9275         normal3f = rsurface.modelnormal3f;
9276
9277         if (normal3f)
9278         {
9279                 for (cornerindex = 0;cornerindex < 3;cornerindex++)
9280                 {
9281                         index = 3*e[cornerindex];
9282                         VectorMA(vertex3f + index, cl_decals_bias.value, normal3f + index, v[cornerindex]);
9283                 }
9284         }
9285         else
9286         {
9287                 for (cornerindex = 0;cornerindex < 3;cornerindex++)
9288                 {
9289                         index = 3*e[cornerindex];
9290                         VectorCopy(vertex3f + index, v[cornerindex]);
9291                 }
9292         }
9293
9294         // cull backfaces
9295         //TriangleNormal(v[0], v[1], v[2], normal);
9296         //if (DotProduct(normal, localnormal) < 0.0f)
9297         //      continue;
9298         // clip by each of the box planes formed from the projection matrix
9299         // if anything survives, we emit the decal
9300         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]);
9301         if (numpoints < 3)
9302                 return;
9303         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]);
9304         if (numpoints < 3)
9305                 return;
9306         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]);
9307         if (numpoints < 3)
9308                 return;
9309         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]);
9310         if (numpoints < 3)
9311                 return;
9312         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]);
9313         if (numpoints < 3)
9314                 return;
9315         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]);
9316         if (numpoints < 3)
9317                 return;
9318         // some part of the triangle survived, so we have to accept it...
9319         if (dynamic)
9320         {
9321                 // dynamic always uses the original triangle
9322                 numpoints = 3;
9323                 for (cornerindex = 0;cornerindex < 3;cornerindex++)
9324                 {
9325                         index = 3*e[cornerindex];
9326                         VectorCopy(vertex3f + index, v[cornerindex]);
9327                 }
9328         }
9329         for (cornerindex = 0;cornerindex < numpoints;cornerindex++)
9330         {
9331                 // convert vertex positions to texcoords
9332                 Matrix4x4_Transform(projection, v[cornerindex], temp);
9333                 tc[cornerindex][0] = (temp[1]+1.0f)*0.5f * (s2-s1) + s1;
9334                 tc[cornerindex][1] = (temp[2]+1.0f)*0.5f * (t2-t1) + t1;
9335                 // calculate distance fade from the projection origin
9336                 f = a * (1.0f-fabs(temp[0])) * cl_decals_newsystem_intensitymultiplier.value;
9337                 f = bound(0.0f, f, 1.0f);
9338                 c[cornerindex][0] = r * f;
9339                 c[cornerindex][1] = g * f;
9340                 c[cornerindex][2] = b * f;
9341                 c[cornerindex][3] = 1.0f;
9342                 //VectorMA(v[cornerindex], cl_decals_bias.value, localnormal, v[cornerindex]);
9343         }
9344         if (dynamic)
9345                 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);
9346         else
9347                 for (cornerindex = 0;cornerindex < numpoints-2;cornerindex++)
9348                         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);
9349 }
9350 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, unsigned int decalsequence)
9351 {
9352         matrix4x4_t projection;
9353         decalsystem_t *decalsystem;
9354         qbool dynamic;
9355         model_t *model;
9356         const msurface_t *surface;
9357         const msurface_t *surfaces;
9358         const texture_t *texture;
9359         int numtriangles;
9360         int surfaceindex;
9361         int triangleindex;
9362         float localorigin[3];
9363         float localnormal[3];
9364         float localmins[3];
9365         float localmaxs[3];
9366         float localsize;
9367         //float normal[3];
9368         float planes[6][4];
9369         float angles[3];
9370         bih_t *bih;
9371         int bih_triangles_count;
9372         int bih_triangles[256];
9373         int bih_surfaces[256];
9374
9375         decalsystem = &ent->decalsystem;
9376         model = ent->model;
9377         if (!model || !ent->allowdecals || ent->alpha < 1 || (ent->flags & (RENDER_ADDITIVE | RENDER_NODEPTHTEST)))
9378         {
9379                 R_DecalSystem_Reset(&ent->decalsystem);
9380                 return;
9381         }
9382
9383         if (!model->brush.data_leafs && !cl_decals_models.integer)
9384         {
9385                 if (decalsystem->model)
9386                         R_DecalSystem_Reset(decalsystem);
9387                 return;
9388         }
9389
9390         if (decalsystem->model != model)
9391                 R_DecalSystem_Reset(decalsystem);
9392         decalsystem->model = model;
9393
9394         RSurf_ActiveModelEntity(ent, true, false, false);
9395
9396         Matrix4x4_Transform(&rsurface.inversematrix, worldorigin, localorigin);
9397         Matrix4x4_Transform3x3(&rsurface.inversematrix, worldnormal, localnormal);
9398         VectorNormalize(localnormal);
9399         localsize = worldsize*rsurface.inversematrixscale;
9400         localmins[0] = localorigin[0] - localsize;
9401         localmins[1] = localorigin[1] - localsize;
9402         localmins[2] = localorigin[2] - localsize;
9403         localmaxs[0] = localorigin[0] + localsize;
9404         localmaxs[1] = localorigin[1] + localsize;
9405         localmaxs[2] = localorigin[2] + localsize;
9406
9407         //VectorCopy(localnormal, planes[4]);
9408         //VectorVectors(planes[4], planes[2], planes[0]);
9409         AnglesFromVectors(angles, localnormal, NULL, false);
9410         AngleVectors(angles, planes[0], planes[2], planes[4]);
9411         VectorNegate(planes[0], planes[1]);
9412         VectorNegate(planes[2], planes[3]);
9413         VectorNegate(planes[4], planes[5]);
9414         planes[0][3] = DotProduct(planes[0], localorigin) - localsize;
9415         planes[1][3] = DotProduct(planes[1], localorigin) - localsize;
9416         planes[2][3] = DotProduct(planes[2], localorigin) - localsize;
9417         planes[3][3] = DotProduct(planes[3], localorigin) - localsize;
9418         planes[4][3] = DotProduct(planes[4], localorigin) - localsize;
9419         planes[5][3] = DotProduct(planes[5], localorigin) - localsize;
9420
9421 #if 1
9422 // works
9423 {
9424         matrix4x4_t forwardprojection;
9425         Matrix4x4_CreateFromQuakeEntity(&forwardprojection, localorigin[0], localorigin[1], localorigin[2], angles[0], angles[1], angles[2], localsize);
9426         Matrix4x4_Invert_Simple(&projection, &forwardprojection);
9427 }
9428 #else
9429 // broken
9430 {
9431         float projectionvector[4][3];
9432         VectorScale(planes[0], ilocalsize, projectionvector[0]);
9433         VectorScale(planes[2], ilocalsize, projectionvector[1]);
9434         VectorScale(planes[4], ilocalsize, projectionvector[2]);
9435         projectionvector[0][0] = planes[0][0] * ilocalsize;
9436         projectionvector[0][1] = planes[1][0] * ilocalsize;
9437         projectionvector[0][2] = planes[2][0] * ilocalsize;
9438         projectionvector[1][0] = planes[0][1] * ilocalsize;
9439         projectionvector[1][1] = planes[1][1] * ilocalsize;
9440         projectionvector[1][2] = planes[2][1] * ilocalsize;
9441         projectionvector[2][0] = planes[0][2] * ilocalsize;
9442         projectionvector[2][1] = planes[1][2] * ilocalsize;
9443         projectionvector[2][2] = planes[2][2] * ilocalsize;
9444         projectionvector[3][0] = -(localorigin[0]*projectionvector[0][0]+localorigin[1]*projectionvector[1][0]+localorigin[2]*projectionvector[2][0]);
9445         projectionvector[3][1] = -(localorigin[0]*projectionvector[0][1]+localorigin[1]*projectionvector[1][1]+localorigin[2]*projectionvector[2][1]);
9446         projectionvector[3][2] = -(localorigin[0]*projectionvector[0][2]+localorigin[1]*projectionvector[1][2]+localorigin[2]*projectionvector[2][2]);
9447         Matrix4x4_FromVectors(&projection, projectionvector[0], projectionvector[1], projectionvector[2], projectionvector[3]);
9448 }
9449 #endif
9450
9451         dynamic = model->surfmesh.isanimated;
9452         surfaces = model->data_surfaces;
9453
9454         bih = NULL;
9455         bih_triangles_count = -1;
9456         if(!dynamic)
9457         {
9458                 if(model->render_bih.numleafs)
9459                         bih = &model->render_bih;
9460                 else if(model->collision_bih.numleafs)
9461                         bih = &model->collision_bih;
9462         }
9463         if(bih)
9464                 bih_triangles_count = BIH_GetTriangleListForBox(bih, sizeof(bih_triangles) / sizeof(*bih_triangles), bih_triangles, bih_surfaces, localmins, localmaxs);
9465         if(bih_triangles_count == 0)
9466                 return;
9467         if(bih_triangles_count > (int) (sizeof(bih_triangles) / sizeof(*bih_triangles))) // hit too many, likely bad anyway
9468                 return;
9469         if(bih_triangles_count > 0)
9470         {
9471                 for (triangleindex = 0; triangleindex < bih_triangles_count; ++triangleindex)
9472                 {
9473                         surfaceindex = bih_surfaces[triangleindex];
9474                         surface = surfaces + surfaceindex;
9475                         texture = surface->texture;
9476                         if (!texture)
9477                                 continue;
9478                         if (texture->currentmaterialflags & (MATERIALFLAG_BLENDED | MATERIALFLAG_NODEPTHTEST | MATERIALFLAG_SKY | MATERIALFLAG_SHORTDEPTHRANGE | MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION))
9479                                 continue;
9480                         if (texture->surfaceflags & Q3SURFACEFLAG_NOMARKS)
9481                                 continue;
9482                         R_DecalSystem_SplatTriangle(decalsystem, r, g, b, a, s1, t1, s2, t2, decalsequence, dynamic, planes, &projection, bih_triangles[triangleindex], surfaceindex);
9483                 }
9484         }
9485         else
9486         {
9487                 for (surfaceindex = model->submodelsurfaces_start;surfaceindex < model->submodelsurfaces_end;surfaceindex++)
9488                 {
9489                         surface = surfaces + surfaceindex;
9490                         // check cull box first because it rejects more than any other check
9491                         if (!dynamic && !BoxesOverlap(surface->mins, surface->maxs, localmins, localmaxs))
9492                                 continue;
9493                         // skip transparent surfaces
9494                         texture = surface->texture;
9495                         if (!texture)
9496                                 continue;
9497                         if (texture->currentmaterialflags & (MATERIALFLAG_BLENDED | MATERIALFLAG_NODEPTHTEST | MATERIALFLAG_SKY | MATERIALFLAG_SHORTDEPTHRANGE | MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION))
9498                                 continue;
9499                         if (texture->surfaceflags & Q3SURFACEFLAG_NOMARKS)
9500                                 continue;
9501                         numtriangles = surface->num_triangles;
9502                         for (triangleindex = 0; triangleindex < numtriangles; triangleindex++)
9503                                 R_DecalSystem_SplatTriangle(decalsystem, r, g, b, a, s1, t1, s2, t2, decalsequence, dynamic, planes, &projection, triangleindex + surface->num_firsttriangle, surfaceindex);
9504                 }
9505         }
9506 }
9507
9508 // do not call this outside of rendering code - use R_DecalSystem_SplatEntities instead
9509 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, unsigned int decalsequence)
9510 {
9511         int renderentityindex;
9512         float worldmins[3];
9513         float worldmaxs[3];
9514         entity_render_t *ent;
9515
9516         worldmins[0] = worldorigin[0] - worldsize;
9517         worldmins[1] = worldorigin[1] - worldsize;
9518         worldmins[2] = worldorigin[2] - worldsize;
9519         worldmaxs[0] = worldorigin[0] + worldsize;
9520         worldmaxs[1] = worldorigin[1] + worldsize;
9521         worldmaxs[2] = worldorigin[2] + worldsize;
9522
9523         R_DecalSystem_SplatEntity(r_refdef.scene.worldentity, worldorigin, worldnormal, r, g, b, a, s1, t1, s2, t2, worldsize, decalsequence);
9524
9525         for (renderentityindex = 0;renderentityindex < r_refdef.scene.numentities;renderentityindex++)
9526         {
9527                 ent = r_refdef.scene.entities[renderentityindex];
9528                 if (!BoxesOverlap(ent->mins, ent->maxs, worldmins, worldmaxs))
9529                         continue;
9530
9531                 R_DecalSystem_SplatEntity(ent, worldorigin, worldnormal, r, g, b, a, s1, t1, s2, t2, worldsize, decalsequence);
9532         }
9533 }
9534
9535 typedef struct r_decalsystem_splatqueue_s
9536 {
9537         vec3_t worldorigin;
9538         vec3_t worldnormal;
9539         float color[4];
9540         float tcrange[4];
9541         float worldsize;
9542         unsigned int decalsequence;
9543 }
9544 r_decalsystem_splatqueue_t;
9545
9546 int r_decalsystem_numqueued = 0;
9547 r_decalsystem_splatqueue_t r_decalsystem_queue[MAX_DECALSYSTEM_QUEUE];
9548
9549 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)
9550 {
9551         r_decalsystem_splatqueue_t *queue;
9552
9553         if (r_decalsystem_numqueued == MAX_DECALSYSTEM_QUEUE)
9554                 return;
9555
9556         queue = &r_decalsystem_queue[r_decalsystem_numqueued++];
9557         VectorCopy(worldorigin, queue->worldorigin);
9558         VectorCopy(worldnormal, queue->worldnormal);
9559         Vector4Set(queue->color, r, g, b, a);
9560         Vector4Set(queue->tcrange, s1, t1, s2, t2);
9561         queue->worldsize = worldsize;
9562         queue->decalsequence = cl.decalsequence++;
9563 }
9564
9565 static void R_DecalSystem_ApplySplatEntitiesQueue(void)
9566 {
9567         int i;
9568         r_decalsystem_splatqueue_t *queue;
9569
9570         for (i = 0, queue = r_decalsystem_queue;i < r_decalsystem_numqueued;i++, queue++)
9571                 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);
9572         r_decalsystem_numqueued = 0;
9573 }
9574
9575 extern cvar_t cl_decals_max;
9576 static void R_DrawModelDecals_FadeEntity(entity_render_t *ent)
9577 {
9578         int i;
9579         decalsystem_t *decalsystem = &ent->decalsystem;
9580         int numdecals;
9581         unsigned int killsequence;
9582         tridecal_t *decal;
9583         float frametime;
9584         float lifetime;
9585
9586         if (!decalsystem->numdecals)
9587                 return;
9588
9589         if (r_showsurfaces.integer)
9590                 return;
9591
9592         if (ent->model != decalsystem->model || ent->alpha < 1 || (ent->flags & RENDER_ADDITIVE))
9593         {
9594                 R_DecalSystem_Reset(decalsystem);
9595                 return;
9596         }
9597
9598         killsequence = cl.decalsequence - bound(1, (unsigned int) cl_decals_max.integer, cl.decalsequence);
9599         lifetime = cl_decals_time.value + cl_decals_fadetime.value;
9600
9601         if (decalsystem->lastupdatetime)
9602                 frametime = (r_refdef.scene.time - decalsystem->lastupdatetime);
9603         else
9604                 frametime = 0;
9605         decalsystem->lastupdatetime = r_refdef.scene.time;
9606         numdecals = decalsystem->numdecals;
9607
9608         for (i = 0, decal = decalsystem->decals;i < numdecals;i++, decal++)
9609         {
9610                 if (decal->color4f[0][3])
9611                 {
9612                         decal->lived += frametime;
9613                         if (killsequence > decal->decalsequence || decal->lived >= lifetime)
9614                         {
9615                                 memset(decal, 0, sizeof(*decal));
9616                                 if (decalsystem->freedecal > i)
9617                                         decalsystem->freedecal = i;
9618                         }
9619                 }
9620         }
9621         decal = decalsystem->decals;
9622         while (numdecals > 0 && !decal[numdecals-1].color4f[0][3])
9623                 numdecals--;
9624
9625         // collapse the array by shuffling the tail decals into the gaps
9626         for (;;)
9627         {
9628                 while (decalsystem->freedecal < numdecals && decal[decalsystem->freedecal].color4f[0][3])
9629                         decalsystem->freedecal++;
9630                 if (decalsystem->freedecal == numdecals)
9631                         break;
9632                 decal[decalsystem->freedecal] = decal[--numdecals];
9633         }
9634
9635         decalsystem->numdecals = numdecals;
9636
9637         if (numdecals <= 0)
9638         {
9639                 // if there are no decals left, reset decalsystem
9640                 R_DecalSystem_Reset(decalsystem);
9641         }
9642 }
9643
9644 extern skinframe_t *decalskinframe;
9645 static void R_DrawModelDecals_Entity(entity_render_t *ent)
9646 {
9647         int i;
9648         decalsystem_t *decalsystem = &ent->decalsystem;
9649         int numdecals;
9650         tridecal_t *decal;
9651         float faderate;
9652         float alpha;
9653         float *v3f;
9654         float *c4f;
9655         float *t2f;
9656         const int *e;
9657         const unsigned char *surfacevisible = ent == r_refdef.scene.worldentity ? r_refdef.viewcache.world_surfacevisible : NULL;
9658         int numtris = 0;
9659
9660         numdecals = decalsystem->numdecals;
9661         if (!numdecals)
9662                 return;
9663
9664         if (r_showsurfaces.integer)
9665                 return;
9666
9667         if (ent->model != decalsystem->model || ent->alpha < 1 || (ent->flags & RENDER_ADDITIVE))
9668         {
9669                 R_DecalSystem_Reset(decalsystem);
9670                 return;
9671         }
9672
9673         // if the model is static it doesn't matter what value we give for
9674         // wantnormals and wanttangents, so this logic uses only rules applicable
9675         // to a model, knowing that they are meaningless otherwise
9676         RSurf_ActiveModelEntity(ent, false, false, false);
9677
9678         decalsystem->lastupdatetime = r_refdef.scene.time;
9679
9680         faderate = 1.0f / max(0.001f, cl_decals_fadetime.value);
9681
9682         // update vertex positions for animated models
9683         v3f = decalsystem->vertex3f;
9684         c4f = decalsystem->color4f;
9685         t2f = decalsystem->texcoord2f;
9686         for (i = 0, decal = decalsystem->decals;i < numdecals;i++, decal++)
9687         {
9688                 if (!decal->color4f[0][3])
9689                         continue;
9690
9691                 if (surfacevisible && !surfacevisible[decal->surfaceindex])
9692                         continue;
9693
9694                 // skip backfaces
9695                 if (decal->triangleindex < 0 && DotProduct(r_refdef.view.origin, decal->plane) < decal->plane[3])
9696                         continue;
9697
9698                 // update color values for fading decals
9699                 if (decal->lived >= cl_decals_time.value)
9700                         alpha = 1 - faderate * (decal->lived - cl_decals_time.value);
9701                 else
9702                         alpha = 1.0f;
9703
9704                 c4f[ 0] = decal->color4f[0][0] * alpha;
9705                 c4f[ 1] = decal->color4f[0][1] * alpha;
9706                 c4f[ 2] = decal->color4f[0][2] * alpha;
9707                 c4f[ 3] = 1;
9708                 c4f[ 4] = decal->color4f[1][0] * alpha;
9709                 c4f[ 5] = decal->color4f[1][1] * alpha;
9710                 c4f[ 6] = decal->color4f[1][2] * alpha;
9711                 c4f[ 7] = 1;
9712                 c4f[ 8] = decal->color4f[2][0] * alpha;
9713                 c4f[ 9] = decal->color4f[2][1] * alpha;
9714                 c4f[10] = decal->color4f[2][2] * alpha;
9715                 c4f[11] = 1;
9716
9717                 t2f[0] = decal->texcoord2f[0][0];
9718                 t2f[1] = decal->texcoord2f[0][1];
9719                 t2f[2] = decal->texcoord2f[1][0];
9720                 t2f[3] = decal->texcoord2f[1][1];
9721                 t2f[4] = decal->texcoord2f[2][0];
9722                 t2f[5] = decal->texcoord2f[2][1];
9723
9724                 // update vertex positions for animated models
9725                 if (decal->triangleindex >= 0 && decal->triangleindex < rsurface.modelnumtriangles)
9726                 {
9727                         e = rsurface.modelelement3i + 3*decal->triangleindex;
9728                         VectorCopy(rsurface.modelvertex3f + 3*e[0], v3f);
9729                         VectorCopy(rsurface.modelvertex3f + 3*e[1], v3f + 3);
9730                         VectorCopy(rsurface.modelvertex3f + 3*e[2], v3f + 6);
9731                 }
9732                 else
9733                 {
9734                         VectorCopy(decal->vertex3f[0], v3f);
9735                         VectorCopy(decal->vertex3f[1], v3f + 3);
9736                         VectorCopy(decal->vertex3f[2], v3f + 6);
9737                 }
9738
9739                 if (r_refdef.fogenabled)
9740                 {
9741                         alpha = RSurf_FogVertex(v3f);
9742                         VectorScale(c4f, alpha, c4f);
9743                         alpha = RSurf_FogVertex(v3f + 3);
9744                         VectorScale(c4f + 4, alpha, c4f + 4);
9745                         alpha = RSurf_FogVertex(v3f + 6);
9746                         VectorScale(c4f + 8, alpha, c4f + 8);
9747                 }
9748
9749                 v3f += 9;
9750                 c4f += 12;
9751                 t2f += 6;
9752                 numtris++;
9753         }
9754
9755         if (numtris > 0)
9756         {
9757                 r_refdef.stats[r_stat_drawndecals] += numtris;
9758
9759                 // now render the decals all at once
9760                 // (this assumes they all use one particle font texture!)
9761                 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);
9762 //              R_Mesh_ResetTextureState();
9763                 R_Mesh_PrepareVertices_Generic_Arrays(numtris * 3, decalsystem->vertex3f, decalsystem->color4f, decalsystem->texcoord2f);
9764                 GL_DepthMask(false);
9765                 GL_DepthRange(0, 1);
9766                 GL_PolygonOffset(rsurface.basepolygonfactor + r_polygonoffset_decals_factor.value, rsurface.basepolygonoffset + r_polygonoffset_decals_offset.value);
9767                 GL_DepthTest(true);
9768                 GL_CullFace(GL_NONE);
9769                 GL_BlendFunc(GL_ZERO, GL_ONE_MINUS_SRC_COLOR);
9770                 R_SetupShader_Generic(decalskinframe->base, false, false, false);
9771                 R_Mesh_Draw(0, numtris * 3, 0, numtris, decalsystem->element3i, NULL, 0, decalsystem->element3s, NULL, 0);
9772         }
9773 }
9774
9775 static void R_DrawModelDecals(void)
9776 {
9777         int i, numdecals;
9778
9779         // fade faster when there are too many decals
9780         numdecals = r_refdef.scene.worldentity->decalsystem.numdecals;
9781         for (i = 0;i < r_refdef.scene.numentities;i++)
9782                 numdecals += r_refdef.scene.entities[i]->decalsystem.numdecals;
9783
9784         R_DrawModelDecals_FadeEntity(r_refdef.scene.worldentity);
9785         for (i = 0;i < r_refdef.scene.numentities;i++)
9786                 if (r_refdef.scene.entities[i]->decalsystem.numdecals)
9787                         R_DrawModelDecals_FadeEntity(r_refdef.scene.entities[i]);
9788
9789         R_DecalSystem_ApplySplatEntitiesQueue();
9790
9791         numdecals = r_refdef.scene.worldentity->decalsystem.numdecals;
9792         for (i = 0;i < r_refdef.scene.numentities;i++)
9793                 numdecals += r_refdef.scene.entities[i]->decalsystem.numdecals;
9794
9795         r_refdef.stats[r_stat_totaldecals] += numdecals;
9796
9797         if (r_showsurfaces.integer || !r_drawdecals.integer)
9798                 return;
9799
9800         R_DrawModelDecals_Entity(r_refdef.scene.worldentity);
9801
9802         for (i = 0;i < r_refdef.scene.numentities;i++)
9803         {
9804                 if (!r_refdef.viewcache.entityvisible[i])
9805                         continue;
9806                 if (r_refdef.scene.entities[i]->decalsystem.numdecals)
9807                         R_DrawModelDecals_Entity(r_refdef.scene.entities[i]);
9808         }
9809 }
9810
9811 static void R_DrawDebugModel(void)
9812 {
9813         entity_render_t *ent = rsurface.entity;
9814         int j, flagsmask;
9815         const msurface_t *surface;
9816         model_t *model = ent->model;
9817
9818         if (!sv.active  && !cls.demoplayback && ent != r_refdef.scene.worldentity)
9819                 return;
9820
9821         if (r_showoverdraw.value > 0)
9822         {
9823                 float c = r_refdef.view.colorscale * r_showoverdraw.value * 0.125f;
9824                 flagsmask = MATERIALFLAG_SKY | MATERIALFLAG_WALL;
9825                 R_SetupShader_Generic_NoTexture(false, false);
9826                 GL_DepthTest(false);
9827                 GL_DepthMask(false);
9828                 GL_DepthRange(0, 1);
9829                 GL_BlendFunc(GL_ONE, GL_ONE);
9830                 for (j = model->submodelsurfaces_start;j < model->submodelsurfaces_end;j++)
9831                 {
9832                         if (ent == r_refdef.scene.worldentity && !r_refdef.viewcache.world_surfacevisible[j])
9833                                 continue;
9834                         surface = model->data_surfaces + j;
9835                         rsurface.texture = R_GetCurrentTexture(surface->texture);
9836                         if ((rsurface.texture->currentmaterialflags & flagsmask) && surface->num_triangles)
9837                         {
9838                                 RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_NOGAPS, 1, &surface);
9839                                 GL_CullFace((rsurface.texture->currentmaterialflags & MATERIALFLAG_NOCULLFACE) ? GL_NONE : r_refdef.view.cullface_back);
9840                                 if ((rsurface.texture->currentmaterialflags & MATERIALFLAG_BLENDED))
9841                                         GL_Color(c, 0, 0, 1.0f);
9842                                 else if (ent == r_refdef.scene.worldentity)
9843                                         GL_Color(c, c, c, 1.0f);
9844                                 else
9845                                         GL_Color(0, c, 0, 1.0f);
9846                                 R_Mesh_PrepareVertices_Generic_Arrays(rsurface.batchnumvertices, rsurface.batchvertex3f, NULL, NULL);
9847                                 RSurf_DrawBatch();
9848                         }
9849                 }
9850                 rsurface.texture = NULL;
9851         }
9852
9853         flagsmask = MATERIALFLAG_SKY | MATERIALFLAG_WALL;
9854
9855 //      R_Mesh_ResetTextureState();
9856         R_SetupShader_Generic_NoTexture(false, false);
9857         GL_DepthRange(0, 1);
9858         GL_DepthTest(!r_showdisabledepthtest.integer);
9859         GL_DepthMask(false);
9860         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
9861
9862         if (r_showcollisionbrushes.value > 0 && model->collision_bih.numleafs)
9863         {
9864                 int triangleindex;
9865                 int bihleafindex;
9866                 qbool cullbox = false;
9867                 const q3mbrush_t *brush;
9868                 const bih_t *bih = &model->collision_bih;
9869                 const bih_leaf_t *bihleaf;
9870                 float vertex3f[3][3];
9871                 GL_PolygonOffset(r_refdef.polygonfactor + r_showcollisionbrushes_polygonfactor.value, r_refdef.polygonoffset + r_showcollisionbrushes_polygonoffset.value);
9872                 for (bihleafindex = 0, bihleaf = bih->leafs;bihleafindex < bih->numleafs;bihleafindex++, bihleaf++)
9873                 {
9874                         if (cullbox && R_CullFrustum(bihleaf->mins, bihleaf->maxs))
9875                                 continue;
9876                         switch (bihleaf->type)
9877                         {
9878                         case BIH_BRUSH:
9879                                 brush = model->brush.data_brushes + bihleaf->itemindex;
9880                                 if (brush->colbrushf && brush->colbrushf->numtriangles)
9881                                 {
9882                                         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);
9883                                         R_Mesh_PrepareVertices_Generic_Arrays(brush->colbrushf->numpoints, brush->colbrushf->points->v, NULL, NULL);
9884                                         R_Mesh_Draw(0, brush->colbrushf->numpoints, 0, brush->colbrushf->numtriangles, brush->colbrushf->elements, NULL, 0, NULL, NULL, 0);
9885                                 }
9886                                 break;
9887                         case BIH_COLLISIONTRIANGLE:
9888                                 triangleindex = bihleaf->itemindex;
9889                                 VectorCopy(model->brush.data_collisionvertex3f + 3*model->brush.data_collisionelement3i[triangleindex*3+0], vertex3f[0]);
9890                                 VectorCopy(model->brush.data_collisionvertex3f + 3*model->brush.data_collisionelement3i[triangleindex*3+1], vertex3f[1]);
9891                                 VectorCopy(model->brush.data_collisionvertex3f + 3*model->brush.data_collisionelement3i[triangleindex*3+2], vertex3f[2]);
9892                                 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);
9893                                 R_Mesh_PrepareVertices_Generic_Arrays(3, vertex3f[0], NULL, NULL);
9894                                 R_Mesh_Draw(0, 3, 0, 1, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
9895                                 break;
9896                         case BIH_RENDERTRIANGLE:
9897                                 triangleindex = bihleaf->itemindex;
9898                                 VectorCopy(model->surfmesh.data_vertex3f + 3*model->surfmesh.data_element3i[triangleindex*3+0], vertex3f[0]);
9899                                 VectorCopy(model->surfmesh.data_vertex3f + 3*model->surfmesh.data_element3i[triangleindex*3+1], vertex3f[1]);
9900                                 VectorCopy(model->surfmesh.data_vertex3f + 3*model->surfmesh.data_element3i[triangleindex*3+2], vertex3f[2]);
9901                                 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);
9902                                 R_Mesh_PrepareVertices_Generic_Arrays(3, vertex3f[0], NULL, NULL);
9903                                 R_Mesh_Draw(0, 3, 0, 1, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
9904                                 break;
9905                         }
9906                 }
9907         }
9908
9909         GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
9910
9911 #ifndef USE_GLES2
9912         if (r_showtris.value > 0 && qglPolygonMode)
9913         {
9914                 if (r_showdisabledepthtest.integer)
9915                 {
9916                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
9917                         GL_DepthMask(false);
9918                 }
9919                 else
9920                 {
9921                         GL_BlendFunc(GL_ONE, GL_ZERO);
9922                         GL_DepthMask(true);
9923                 }
9924                 qglPolygonMode(GL_FRONT_AND_BACK, GL_LINE);CHECKGLERROR
9925                 for (j = model->submodelsurfaces_start; j < model->submodelsurfaces_end; j++)
9926                 {
9927                         if (ent == r_refdef.scene.worldentity && !r_refdef.viewcache.world_surfacevisible[j])
9928                                 continue;
9929                         surface = model->data_surfaces + j;
9930                         rsurface.texture = R_GetCurrentTexture(surface->texture);
9931                         if ((rsurface.texture->currentmaterialflags & flagsmask) && surface->num_triangles)
9932                         {
9933                                 RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_VECTOR | BATCHNEED_NOGAPS, 1, &surface);
9934                                 if ((rsurface.texture->currentmaterialflags & MATERIALFLAG_BLENDED))
9935                                         GL_Color(r_refdef.view.colorscale, 0, 0, r_showtris.value);
9936                                 else if (ent == r_refdef.scene.worldentity)
9937                                         GL_Color(r_refdef.view.colorscale, r_refdef.view.colorscale, r_refdef.view.colorscale, r_showtris.value);
9938                                 else
9939                                         GL_Color(0, r_refdef.view.colorscale, 0, r_showtris.value);
9940                                 R_Mesh_PrepareVertices_Generic_Arrays(rsurface.batchnumvertices, rsurface.batchvertex3f, NULL, NULL);
9941                                 RSurf_DrawBatch();
9942                         }
9943                 }
9944                 qglPolygonMode(GL_FRONT_AND_BACK, GL_FILL);CHECKGLERROR
9945                 rsurface.texture = NULL;
9946         }
9947
9948 # if 0
9949         // FIXME!  implement r_shownormals with just triangles
9950         if (r_shownormals.value != 0 && qglBegin)
9951         {
9952                 int l, k;
9953                 vec3_t v;
9954                 if (r_showdisabledepthtest.integer)
9955                 {
9956                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
9957                         GL_DepthMask(false);
9958                 }
9959                 else
9960                 {
9961                         GL_BlendFunc(GL_ONE, GL_ZERO);
9962                         GL_DepthMask(true);
9963                 }
9964                 for (j = model->submodelsurfaces_start; j < model->submodelsurfaces_end; j++)
9965                 {
9966                         if (ent == r_refdef.scene.worldentity && !r_refdef.viewcache.world_surfacevisible[j])
9967                                 continue;
9968                         surface = model->data_surfaces + j;
9969                         rsurface.texture = R_GetCurrentTexture(surface->texture);
9970                         if ((rsurface.texture->currentmaterialflags & flagsmask) && surface->num_triangles)
9971                         {
9972                                 RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_VECTOR | BATCHNEED_NOGAPS, 1, &surface);
9973                                 qglBegin(GL_LINES);
9974                                 if (r_shownormals.value < 0 && rsurface.batchnormal3f)
9975                                 {
9976                                         for (k = 0, l = rsurface.batchfirstvertex;k < rsurface.batchnumvertices;k++, l++)
9977                                         {
9978                                                 VectorCopy(rsurface.batchvertex3f + l * 3, v);
9979                                                 GL_Color(0, 0, r_refdef.view.colorscale, 1);
9980                                                 qglVertex3f(v[0], v[1], v[2]);
9981                                                 VectorMA(v, -r_shownormals.value, rsurface.batchnormal3f + l * 3, v);
9982                                                 GL_Color(r_refdef.view.colorscale, r_refdef.view.colorscale, r_refdef.view.colorscale, 1);
9983                                                 qglVertex3f(v[0], v[1], v[2]);
9984                                         }
9985                                 }
9986                                 if (r_shownormals.value > 0 && rsurface.batchsvector3f)
9987                                 {
9988                                         for (k = 0, l = rsurface.batchfirstvertex;k < rsurface.batchnumvertices;k++, l++)
9989                                         {
9990                                                 VectorCopy(rsurface.batchvertex3f + l * 3, v);
9991                                                 GL_Color(r_refdef.view.colorscale, 0, 0, 1);
9992                                                 qglVertex3f(v[0], v[1], v[2]);
9993                                                 VectorMA(v, r_shownormals.value, rsurface.batchsvector3f + l * 3, v);
9994                                                 GL_Color(r_refdef.view.colorscale, r_refdef.view.colorscale, r_refdef.view.colorscale, 1);
9995                                                 qglVertex3f(v[0], v[1], v[2]);
9996                                         }
9997                                 }
9998                                 if (r_shownormals.value > 0 && rsurface.batchtvector3f)
9999                                 {
10000                                         for (k = 0, l = rsurface.batchfirstvertex;k < rsurface.batchnumvertices;k++, l++)
10001                                         {
10002                                                 VectorCopy(rsurface.batchvertex3f + l * 3, v);
10003                                                 GL_Color(0, r_refdef.view.colorscale, 0, 1);
10004                                                 qglVertex3f(v[0], v[1], v[2]);
10005                                                 VectorMA(v, r_shownormals.value, rsurface.batchtvector3f + l * 3, v);
10006                                                 GL_Color(r_refdef.view.colorscale, r_refdef.view.colorscale, r_refdef.view.colorscale, 1);
10007                                                 qglVertex3f(v[0], v[1], v[2]);
10008                                         }
10009                                 }
10010                                 if (r_shownormals.value > 0 && rsurface.batchnormal3f)
10011                                 {
10012                                         for (k = 0, l = rsurface.batchfirstvertex;k < rsurface.batchnumvertices;k++, l++)
10013                                         {
10014                                                 VectorCopy(rsurface.batchvertex3f + l * 3, v);
10015                                                 GL_Color(0, 0, r_refdef.view.colorscale, 1);
10016                                                 qglVertex3f(v[0], v[1], v[2]);
10017                                                 VectorMA(v, r_shownormals.value, rsurface.batchnormal3f + l * 3, v);
10018                                                 GL_Color(r_refdef.view.colorscale, r_refdef.view.colorscale, r_refdef.view.colorscale, 1);
10019                                                 qglVertex3f(v[0], v[1], v[2]);
10020                                         }
10021                                 }
10022                                 qglEnd();
10023                                 CHECKGLERROR
10024                         }
10025                 }
10026                 rsurface.texture = NULL;
10027         }
10028 # endif
10029 #endif
10030 }
10031
10032 int r_maxsurfacelist = 0;
10033 const msurface_t **r_surfacelist = NULL;
10034 void R_DrawModelSurfaces(entity_render_t *ent, qbool skysurfaces, qbool writedepth, qbool depthonly, qbool debug, qbool prepass, qbool ui)
10035 {
10036         int i, j, flagsmask;
10037         model_t *model = ent->model;
10038         msurface_t *surfaces;
10039         unsigned char *update;
10040         int numsurfacelist = 0;
10041         if (model == NULL)
10042                 return;
10043
10044         if (r_maxsurfacelist < model->num_surfaces)
10045         {
10046                 r_maxsurfacelist = model->num_surfaces;
10047                 if (r_surfacelist)
10048                         Mem_Free((msurface_t **)r_surfacelist);
10049                 r_surfacelist = (const msurface_t **) Mem_Alloc(r_main_mempool, r_maxsurfacelist * sizeof(*r_surfacelist));
10050         }
10051
10052         if (r_showsurfaces.integer && r_showsurfaces.integer != 3)
10053                 RSurf_ActiveModelEntity(ent, false, false, false);
10054         else if (prepass)
10055                 RSurf_ActiveModelEntity(ent, true, true, true);
10056         else if (depthonly)
10057                 RSurf_ActiveModelEntity(ent, model->wantnormals, model->wanttangents, false);
10058         else
10059                 RSurf_ActiveModelEntity(ent, true, true, false);
10060
10061         surfaces = model->data_surfaces;
10062         update = model->brushq1.lightmapupdateflags;
10063
10064         flagsmask = skysurfaces ? MATERIALFLAG_SKY : MATERIALFLAG_WALL;
10065
10066         if (debug)
10067         {
10068                 R_DrawDebugModel();
10069                 rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveModelEntity
10070                 return;
10071         }
10072
10073         // check if this is an empty model
10074         if (model->submodelsurfaces_start >= model->submodelsurfaces_end)
10075                 return;
10076
10077         rsurface.lightmaptexture = NULL;
10078         rsurface.deluxemaptexture = NULL;
10079         rsurface.uselightmaptexture = false;
10080         rsurface.texture = NULL;
10081         rsurface.rtlight = NULL;
10082         numsurfacelist = 0;
10083
10084         // add visible surfaces to draw list
10085         if (ent == r_refdef.scene.worldentity)
10086         {
10087                 // for the world entity, check surfacevisible
10088                 for (i = model->submodelsurfaces_start;i < model->submodelsurfaces_end;i++)
10089                 {
10090                         j = model->modelsurfaces_sorted[i];
10091                         if (r_refdef.viewcache.world_surfacevisible[j])
10092                                 r_surfacelist[numsurfacelist++] = surfaces + j;
10093                 }
10094
10095                 // don't do anything if there were no surfaces added (none of the world entity is visible)
10096                 if (!numsurfacelist)
10097                 {
10098                         rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveModelEntity
10099                         return;
10100                 }
10101         }
10102         else if (ui)
10103         {
10104                 // for ui we have to preserve the order of surfaces (not using modelsurfaces_sorted)
10105                 for (i = model->submodelsurfaces_start; i < model->submodelsurfaces_end; i++)
10106                         r_surfacelist[numsurfacelist++] = surfaces + i;
10107         }
10108         else
10109         {
10110                 // add all surfaces
10111                 for (i = model->submodelsurfaces_start; i < model->submodelsurfaces_end; i++)
10112                         r_surfacelist[numsurfacelist++] = surfaces + model->modelsurfaces_sorted[i];
10113         }
10114
10115         /*
10116          * Mark lightmaps as dirty if their lightstyle's value changed. We do this by
10117          * using style chains because most styles do not change on most frames, and most
10118          * surfaces do not have styles on them. Mods like Arcane Dimensions (e.g. ad_necrokeep)
10119          * break this rule and animate most surfaces.
10120          */
10121         if (update && !skysurfaces && !depthonly && !prepass && model->brushq1.num_lightstyles && r_refdef.scene.lightmapintensity > 0 && r_q1bsp_lightmap_updates_enabled.integer)
10122         {
10123                 model_brush_lightstyleinfo_t *style;
10124
10125                 // For each lightstyle, check if its value changed and mark the lightmaps as dirty if so
10126                 for (i = 0, style = model->brushq1.data_lightstyleinfo; i < model->brushq1.num_lightstyles; i++, style++)
10127                 {
10128                         if (style->value != r_refdef.scene.lightstylevalue[style->style])
10129                         {
10130                                 int* list = style->surfacelist;
10131                                 style->value = r_refdef.scene.lightstylevalue[style->style];
10132                                 // Value changed - mark the surfaces belonging to this style chain as dirty
10133                                 for (j = 0; j < style->numsurfaces; j++)
10134                                         update[list[j]] = true;
10135                         }
10136                 }
10137                 // Now check if update flags are set on any surfaces that are visible
10138                 if (r_q1bsp_lightmap_updates_hidden_surfaces.integer)
10139                 {
10140                         /*
10141                          * We can do less frequent texture uploads (approximately 10hz for animated
10142                          * lightstyles) by rebuilding lightmaps on surfaces that are not currently visible.
10143                          * For optimal efficiency, this includes the submodels of the worldmodel, so we
10144                          * use model->num_surfaces, not nummodelsurfaces.
10145                          */
10146                         for (i = 0; i < model->num_surfaces;i++)
10147                                 if (update[i])
10148                                         R_BuildLightMap(ent, surfaces + i, r_q1bsp_lightmap_updates_combine.integer);
10149                 }
10150                 else
10151                 {
10152                         for (i = 0; i < numsurfacelist; i++)
10153                                 if (update[r_surfacelist[i] - surfaces])
10154                                         R_BuildLightMap(ent, (msurface_t *)r_surfacelist[i], r_q1bsp_lightmap_updates_combine.integer);
10155                 }
10156         }
10157
10158         R_QueueModelSurfaceList(ent, numsurfacelist, r_surfacelist, flagsmask, writedepth, depthonly, prepass, ui);
10159
10160         // add to stats if desired
10161         if (r_speeds.integer && !skysurfaces && !depthonly)
10162         {
10163                 r_refdef.stats[r_stat_entities_surfaces] += numsurfacelist;
10164                 for (j = 0;j < numsurfacelist;j++)
10165                         r_refdef.stats[r_stat_entities_triangles] += r_surfacelist[j]->num_triangles;
10166         }
10167
10168         rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveModelEntity
10169 }
10170
10171 void R_DebugLine(vec3_t start, vec3_t end)
10172 {
10173         model_t *mod = CL_Mesh_UI();
10174         msurface_t *surf;
10175         int e0, e1, e2, e3;
10176         float offsetx, offsety, x1, y1, x2, y2, width = 1.0f;
10177         float r1 = 1.0f, g1 = 0.0f, b1 = 0.0f, alpha1 = 0.25f;
10178         float r2 = 1.0f, g2 = 1.0f, b2 = 0.0f, alpha2 = 0.25f;
10179         vec4_t w[2], s[2];
10180
10181         // transform to screen coords first
10182         Vector4Set(w[0], start[0], start[1], start[2], 1);
10183         Vector4Set(w[1], end[0], end[1], end[2], 1);
10184         R_Viewport_TransformToScreen(&r_refdef.view.viewport, w[0], s[0]);
10185         R_Viewport_TransformToScreen(&r_refdef.view.viewport, w[1], s[1]);
10186         x1 = s[0][0] * vid_conwidth.value / vid.width;
10187         y1 = (vid.height - s[0][1]) * vid_conheight.value / vid.height;
10188         x2 = s[1][0] * vid_conwidth.value / vid.width;
10189         y2 = (vid.height - s[1][1]) * vid_conheight.value / vid.height;
10190         //Con_DPrintf("R_DebugLine: %.0f,%.0f to %.0f,%.0f\n", x1, y1, x2, y2);
10191
10192         // add the line to the UI mesh for drawing later
10193
10194         // width is measured in real pixels
10195         if (fabs(x2 - x1) > fabs(y2 - y1))
10196         {
10197                 offsetx = 0;
10198                 offsety = 0.5f * width * vid_conheight.value / vid.height;
10199         }
10200         else
10201         {
10202                 offsetx = 0.5f * width * vid_conwidth.value / vid.width;
10203                 offsety = 0;
10204         }
10205         surf = Mod_Mesh_AddSurface(mod, Mod_Mesh_GetTexture(mod, "white", 0, 0, MATERIALFLAG_WALL | MATERIALFLAG_VERTEXCOLOR | MATERIALFLAG_ALPHAGEN_VERTEX | MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW), true);
10206         e0 = Mod_Mesh_IndexForVertex(mod, surf, x1 - offsetx, y1 - offsety, 10, 0, 0, -1, 0, 0, 0, 0, r1, g1, b1, alpha1);
10207         e1 = Mod_Mesh_IndexForVertex(mod, surf, x2 - offsetx, y2 - offsety, 10, 0, 0, -1, 0, 0, 0, 0, r2, g2, b2, alpha2);
10208         e2 = Mod_Mesh_IndexForVertex(mod, surf, x2 + offsetx, y2 + offsety, 10, 0, 0, -1, 0, 0, 0, 0, r2, g2, b2, alpha2);
10209         e3 = Mod_Mesh_IndexForVertex(mod, surf, x1 + offsetx, y1 + offsety, 10, 0, 0, -1, 0, 0, 0, 0, r1, g1, b1, alpha1);
10210         Mod_Mesh_AddTriangle(mod, surf, e0, e1, e2);
10211         Mod_Mesh_AddTriangle(mod, surf, e0, e2, e3);
10212
10213 }
10214
10215
10216 void R_DrawCustomSurface(skinframe_t *skinframe, const matrix4x4_t *texmatrix, int materialflags, int firstvertex, int numvertices, int firsttriangle, int numtriangles, qbool writedepth, qbool prepass, qbool ui)
10217 {
10218         static texture_t texture;
10219
10220         // fake enough texture and surface state to render this geometry
10221
10222         texture.update_lastrenderframe = -1; // regenerate this texture
10223         texture.basematerialflags = materialflags | MATERIALFLAG_CUSTOMSURFACE | MATERIALFLAG_WALL;
10224         texture.basealpha = 1.0f;
10225         texture.currentskinframe = skinframe;
10226         texture.currenttexmatrix = *texmatrix; // requires MATERIALFLAG_CUSTOMSURFACE
10227         texture.offsetmapping = OFFSETMAPPING_OFF;
10228         texture.offsetscale = 1;
10229         texture.specularscalemod = 1;
10230         texture.specularpowermod = 1;
10231         texture.transparentsort = TRANSPARENTSORT_DISTANCE;
10232
10233         R_DrawCustomSurface_Texture(&texture, texmatrix, materialflags, firstvertex, numvertices, firsttriangle, numtriangles, writedepth, prepass, ui);
10234 }
10235
10236 void R_DrawCustomSurface_Texture(texture_t *texture, const matrix4x4_t *texmatrix, int materialflags, int firstvertex, int numvertices, int firsttriangle, int numtriangles, qbool writedepth, qbool prepass, qbool ui)
10237 {
10238         static msurface_t surface;
10239         const msurface_t *surfacelist = &surface;
10240
10241         // fake enough texture and surface state to render this geometry
10242         surface.texture = texture;
10243         surface.num_triangles = numtriangles;
10244         surface.num_firsttriangle = firsttriangle;
10245         surface.num_vertices = numvertices;
10246         surface.num_firstvertex = firstvertex;
10247
10248         // now render it
10249         rsurface.texture = R_GetCurrentTexture(surface.texture);
10250         rsurface.lightmaptexture = NULL;
10251         rsurface.deluxemaptexture = NULL;
10252         rsurface.uselightmaptexture = false;
10253         R_DrawModelTextureSurfaceList(1, &surfacelist, writedepth, prepass, ui);
10254 }