]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - gl_rmain.c
r_showtris/r_shownormals/r_showcollisionbrushes are no longer obscured
[xonotic/darkplaces.git] / gl_rmain.c
index 41315e4d394fe4b0f224feb1ee59855ed68fce79..d5f50d07002364845df6427e0b561be677437eb0 100644 (file)
@@ -60,7 +60,9 @@ cvar_t r_dynamic = {CVAR_SAVE, "r_dynamic","1", "enables dynamic lights (rocket
 cvar_t r_fullbrights = {CVAR_SAVE, "r_fullbrights", "1", "enables glowing pixels in quake textures (changes need r_restart to take effect)"};
 cvar_t r_shadows = {CVAR_SAVE, "r_shadows", "0", "casts fake stencil shadows from models onto the world (rtlights are unaffected by this)"};
 cvar_t r_shadows_throwdistance = {CVAR_SAVE, "r_shadows_throwdistance", "500", "how far to cast shadows from models"};
-cvar_t r_q1bsp_skymasking = {0, "r_qb1sp_skymasking", "1", "allows sky polygons in quake1 maps to obscure other geometry"};
+cvar_t r_q1bsp_skymasking = {0, "r_q1bsp_skymasking", "1", "allows sky polygons in quake1 maps to obscure other geometry"};
+cvar_t r_polygonoffset_submodel_factor = {0, "r_polygonoffset_submodel_factor", "0", "biases depth values of world submodels such as doors, to prevent z-fighting artifacts in Quake maps"};
+cvar_t r_polygonoffset_submodel_offset = {0, "r_polygonoffset_submodel_offset", "2", "biases depth values of world submodels such as doors, to prevent z-fighting artifacts in Quake maps"};
 
 cvar_t gl_fogenable = {0, "gl_fogenable", "0", "nehahra fog enable (for Nehahra compatibility only)"};
 cvar_t gl_fogdensity = {0, "gl_fogdensity", "0.25", "nehahra fog density (recommend values below 0.1) (for Nehahra compatibility only)"};
@@ -76,7 +78,19 @@ cvar_t r_glsl = {CVAR_SAVE, "r_glsl", "1", "enables use of OpenGL 2.0 pixel shad
 cvar_t r_glsl_offsetmapping = {CVAR_SAVE, "r_glsl_offsetmapping", "0", "offset mapping effect (also known as parallax mapping or virtual displacement mapping)"};
 cvar_t r_glsl_offsetmapping_reliefmapping = {CVAR_SAVE, "r_glsl_offsetmapping_reliefmapping", "0", "relief mapping effect (higher quality)"};
 cvar_t r_glsl_offsetmapping_scale = {CVAR_SAVE, "r_glsl_offsetmapping_scale", "0.04", "how deep the offset mapping effect is"};
+cvar_t r_glsl_water = {CVAR_SAVE, "r_glsl_water", "0", "whether to use reflections and refraction on water surfaces (note: r_wateralpha must be set below 1)"};
+cvar_t r_glsl_water_clippingplanebias = {CVAR_SAVE, "r_glsl_water_clippingplanebias", "1", "a rather technical setting which avoids black pixels around water edges"};
+cvar_t r_glsl_water_resolutionmultiplier = {CVAR_SAVE, "r_glsl_water_resolutionmultiplier", "0.5", "multiplier for screen resolution when rendering refracted/reflected scenes, 1 is full quality, lower values are faster"};
+cvar_t r_glsl_water_refractcolor_r = {CVAR_SAVE, "r_glsl_water_refractcolor_r", "1", "water color tint for refraction"};
+cvar_t r_glsl_water_refractcolor_g = {CVAR_SAVE, "r_glsl_water_refractcolor_g", "1", "water color tint for refraction"};
+cvar_t r_glsl_water_refractcolor_b = {CVAR_SAVE, "r_glsl_water_refractcolor_b", "1", "water color tint for refraction"};
+cvar_t r_glsl_water_reflectcolor_r = {CVAR_SAVE, "r_glsl_water_reflectcolor_r", "1", "water color tint for reflection"};
+cvar_t r_glsl_water_reflectcolor_g = {CVAR_SAVE, "r_glsl_water_reflectcolor_g", "1", "water color tint for reflection"};
+cvar_t r_glsl_water_reflectcolor_b = {CVAR_SAVE, "r_glsl_water_reflectcolor_b", "1", "water color tint for reflection"};
+cvar_t r_glsl_water_refractdistort = {CVAR_SAVE, "r_glsl_water_refractdistort", "0.01", "how much water refractions shimmer"};
+cvar_t r_glsl_water_reflectdistort = {CVAR_SAVE, "r_glsl_water_reflectdistort", "0.01", "how much water reflections shimmer"};
 cvar_t r_glsl_deluxemapping = {CVAR_SAVE, "r_glsl_deluxemapping", "1", "use per pixel lighting on deluxemap-compiled q3bsp maps (or a value of 2 forces deluxemap shading even without deluxemaps)"};
+cvar_t r_glsl_contrastboost = {CVAR_SAVE, "r_glsl_contrastboost", "1", "by how much to multiply the contrast in dark areas (1 is no change)"};
 
 cvar_t r_lerpsprites = {CVAR_SAVE, "r_lerpsprites", "1", "enables animation smoothing on sprites (requires r_lerpmodels 1)"};
 cvar_t r_lerpmodels = {CVAR_SAVE, "r_lerpmodels", "1", "enables animation smoothing on models"};
@@ -104,6 +118,8 @@ cvar_t gl_lightmaps = {0, "gl_lightmaps", "0", "draws only lightmaps, no texture
 cvar_t r_test = {0, "r_test", "0", "internal development use only, leave it alone (usually does nothing anyway)"};
 cvar_t r_batchmode = {0, "r_batchmode", "1", "selects method of rendering multiple surfaces with one driver call (values are 0, 1, 2, etc...)"};
 
+extern qboolean v_flipped_state;
+
 typedef struct r_glsl_bloomshader_s
 {
        int program;
@@ -133,11 +149,43 @@ static struct r_bloomstate_s
 }
 r_bloomstate;
 
+typedef struct r_waterstate_waterplane_s
+{
+       rtexture_t *texture_refraction;
+       rtexture_t *texture_reflection;
+       mplane_t plane;
+       int materialflags; // combined flags of all water surfaces on this plane
+       unsigned char pvsbits[(32768+7)>>3]; // FIXME: buffer overflow on huge maps
+       qboolean pvsvalid;
+}
+r_waterstate_waterplane_t;
+
+#define MAX_WATERPLANES 16
+
+static struct r_waterstate_s
+{
+       qboolean enabled;
+
+       qboolean renderingscene; // true while rendering a refraction or reflection texture, disables water surfaces
+
+       int waterwidth, waterheight;
+       int texturewidth, textureheight;
+
+       int maxwaterplanes; // same as MAX_WATERPLANES
+       int numwaterplanes;
+       r_waterstate_waterplane_t waterplanes[MAX_WATERPLANES];
+
+       float screenscale[2];
+       float screencenter[2];
+}
+r_waterstate;
+
 // shadow volume bsp struct with automatically growing nodes buffer
 svbsp_t r_svbsp;
 
 rtexture_t *r_texture_blanknormalmap;
 rtexture_t *r_texture_white;
+rtexture_t *r_texture_grey128;
 rtexture_t *r_texture_black;
 rtexture_t *r_texture_notexture;
 rtexture_t *r_texture_whitecube;
@@ -213,7 +261,7 @@ float FogPoint_World(const vec3_t p)
 
 float FogPoint_Model(const vec3_t p)
 {
-       int fogmasktableindex = (int)(VectorDistance((p), rsurface_modelorg) * r_refdef.fogmasktabledistmultiplier);
+       int fogmasktableindex = (int)(VectorDistance((p), rsurface.modelorg) * r_refdef.fogmasktabledistmultiplier);
        return r_refdef.fogmasktable[min(fogmasktableindex, FOGMASKTABLEWIDTH - 1)];
 }
 
@@ -230,6 +278,11 @@ static void R_BuildBlankTextures(void)
        data[2] = 255;
        data[3] = 255;
        r_texture_white = R_LoadTexture2D(r_main_texturepool, "blankwhite", 1, 1, data, TEXTYPE_RGBA, TEXF_PRECACHE, NULL);
+       data[0] = 128;
+       data[1] = 128;
+       data[2] = 128;
+       data[3] = 255;
+       r_texture_grey128 = R_LoadTexture2D(r_main_texturepool, "blankgrey128", 1, 1, data, TEXTYPE_RGBA, TEXF_PRECACHE, NULL);
        data[0] = 0;
        data[1] = 0;
        data[2] = 0;
@@ -366,31 +419,50 @@ static const char *builtinshaderstring =
 "// common definitions between vertex shader and fragment shader:\n"
 "\n"
 "#ifdef __GLSL_CG_DATA_TYPES\n"
-"#define myhalf half\n"
-"#define myhvec2 hvec2\n"
-"#define myhvec3 hvec3\n"
-"#define myhvec4 hvec4\n"
+"# define myhalf half\n"
+"# define myhvec2 hvec2\n"
+"# define myhvec3 hvec3\n"
+"# define myhvec4 hvec4\n"
 "#else\n"
-"#define myhalf float\n"
-"#define myhvec2 vec2\n"
-"#define myhvec3 vec3\n"
-"#define myhvec4 vec4\n"
+"# define myhalf float\n"
+"# define myhvec2 vec2\n"
+"# define myhvec3 vec3\n"
+"# define myhvec4 vec4\n"
 "#endif\n"
 "\n"
 "varying vec2 TexCoord;\n"
 "varying vec2 TexCoordLightmap;\n"
 "\n"
+"//#ifdef MODE_LIGHTSOURCE\n"
 "varying vec3 CubeVector;\n"
+"//#endif\n"
+"\n"
+"//#ifdef MODE_LIGHTSOURCE\n"
 "varying vec3 LightVector;\n"
+"//#else\n"
+"//# ifdef MODE_LIGHTDIRECTION\n"
+"//varying vec3 LightVector;\n"
+"//# endif\n"
+"//#endif\n"
+"\n"
 "varying vec3 EyeVector;\n"
-"#ifdef USEFOG\n"
+"//#ifdef USEFOG\n"
 "varying vec3 EyeVectorModelSpace;\n"
-"#endif\n"
+"//#endif\n"
 "\n"
 "varying vec3 VectorS; // direction of S texcoord (sometimes crudely called tangent)\n"
 "varying vec3 VectorT; // direction of T texcoord (sometimes crudely called binormal)\n"
 "varying vec3 VectorR; // direction of R texcoord (surface normal)\n"
 "\n"
+"//#ifdef USEWATER\n"
+"varying vec4 ModelViewProjectionPosition;\n"
+"//#else\n"
+"//# ifdef USEREFLECTION\n"
+"//varying vec4 ModelViewProjectionPosition;\n"
+"//# endif\n"
+"//#endif\n"
+"\n"
+"\n"
 "\n"
 "\n"
 "\n"
@@ -408,8 +480,10 @@ static const char *builtinshaderstring =
 "      gl_FrontColor = gl_Color;\n"
 "      // copy the surface texcoord\n"
 "      TexCoord = vec2(gl_TextureMatrix[0] * gl_MultiTexCoord0);\n"
-"#if !defined(MODE_LIGHTSOURCE) && !defined(MODE_LIGHTDIRECTION)\n"
+"#ifndef MODE_LIGHTSOURCE\n"
+"# ifndef MODE_LIGHTDIRECTION\n"
 "      TexCoordLightmap = vec2(gl_MultiTexCoord4);\n"
+"# endif\n"
 "#endif\n"
 "\n"
 "#ifdef MODE_LIGHTSOURCE\n"
@@ -447,9 +521,23 @@ static const char *builtinshaderstring =
 "      VectorR = gl_MultiTexCoord3.xyz;\n"
 "#endif\n"
 "\n"
-"      // transform vertex to camera space, using ftransform to match non-VS\n"
+"//#if defined(USEWATER) || defined(USEREFLECTION)\n"
+"//    ModelViewProjectionPosition = gl_Vertex * gl_ModelViewProjectionMatrix;\n"
+"//    //ModelViewProjectionPosition_svector = (gl_Vertex + vec4(gl_MultiTexCoord1.xyz, 0)) * gl_ModelViewProjectionMatrix - ModelViewProjectionPosition;\n"
+"//    //ModelViewProjectionPosition_tvector = (gl_Vertex + vec4(gl_MultiTexCoord2.xyz, 0)) * gl_ModelViewProjectionMatrix - ModelViewProjectionPosition;\n"
+"//#endif\n"
+"\n"
+"// transform vertex to camera space, using ftransform to match non-VS\n"
 "      // rendering\n"
 "      gl_Position = ftransform();\n"
+"\n"
+"#ifdef USEWATER\n"
+"      ModelViewProjectionPosition = gl_Position;\n"
+"#else\n"
+"# ifdef USEREFLECTION\n"
+"      ModelViewProjectionPosition = gl_Position;\n"
+"# endif\n"
+"#endif\n"
 "}\n"
 "\n"
 "#endif // VERTEX_SHADER\n"
@@ -460,7 +548,7 @@ static const char *builtinshaderstring =
 "// fragment shader specific:\n"
 "#ifdef FRAGMENT_SHADER\n"
 "\n"
-"// 11 textures, we can only use up to 16 on DX9-class hardware\n"
+"// 13 textures, we can only use up to 16 on DX9-class hardware\n"
 "uniform sampler2D Texture_Normal;\n"
 "uniform sampler2D Texture_Color;\n"
 "uniform sampler2D Texture_Gloss;\n"
@@ -472,6 +560,8 @@ static const char *builtinshaderstring =
 "uniform sampler2D Texture_Lightmap;\n"
 "uniform sampler2D Texture_Deluxemap;\n"
 "uniform sampler2D Texture_Glow;\n"
+"uniform sampler2D Texture_Reflection;\n"
+"uniform sampler2D Texture_Refraction;\n"
 "\n"
 "uniform myhvec3 LightColor;\n"
 "uniform myhvec3 AmbientColor;\n"
@@ -481,8 +571,26 @@ static const char *builtinshaderstring =
 "uniform myhvec3 Color_Shirt;\n"
 "uniform myhvec3 FogColor;\n"
 "\n"
+"//#ifdef USEWATER\n"
+"uniform vec4 DistortScaleRefractReflect;\n"
+"uniform vec4 ScreenScaleRefractReflect;\n"
+"uniform vec4 ScreenCenterRefractReflect;\n"
+"uniform myhvec3 RefractColor;\n"
+"uniform myhvec3 ReflectColor;\n"
+"//#else\n"
+"//# ifdef USEREFLECTION\n"
+"//uniform vec4 DistortScaleRefractReflect;\n"
+"//uniform vec4 ScreenScaleRefractReflect;\n"
+"//uniform vec4 ScreenCenterRefractReflect;\n"
+"//uniform myhvec3 ReflectColor;\n"
+"//# endif\n"
+"//#endif\n"
+"\n"
 "uniform myhalf GlowScale;\n"
 "uniform myhalf SceneBrightness;\n"
+"#ifdef USECONTRASTBOOST\n"
+"uniform myhalf ContrastBoostCoeff;\n"
+"#endif\n"
 "\n"
 "uniform float OffsetMapping_Scale;\n"
 "uniform float OffsetMapping_Bias;\n"
@@ -562,36 +670,38 @@ static const char *builtinshaderstring =
 "      // compute color intensity for the two textures (colormap and glossmap)\n"
 "      // scale by light color and attenuation as efficiently as possible\n"
 "      // (do as much scalar math as possible rather than vector math)\n"
-"#ifdef USESPECULAR\n"
+"# ifdef USESPECULAR\n"
 "      myhvec3 surfacenormal = normalize(myhvec3(texture2D(Texture_Normal, TexCoord)) - myhvec3(0.5));\n"
 "      myhvec3 diffusenormal = myhvec3(normalize(LightVector));\n"
 "      myhvec3 specularnormal = normalize(diffusenormal + myhvec3(normalize(EyeVector)));\n"
 "\n"
 "      // calculate directional shading\n"
 "      color.rgb = LightColor * myhalf(texture2D(Texture_Attenuation, vec2(length(CubeVector), 0.0))) * (color.rgb * (AmbientScale + DiffuseScale * myhalf(max(float(dot(surfacenormal, diffusenormal)), 0.0))) + (SpecularScale * pow(myhalf(max(float(dot(surfacenormal, specularnormal)), 0.0)), SpecularPower)) * myhvec3(texture2D(Texture_Gloss, TexCoord)));\n"
-"#else\n"
-"#ifdef USEDIFFUSE\n"
+"# else\n"
+"#  ifdef USEDIFFUSE\n"
 "      myhvec3 surfacenormal = normalize(myhvec3(texture2D(Texture_Normal, TexCoord)) - myhvec3(0.5));\n"
 "      myhvec3 diffusenormal = myhvec3(normalize(LightVector));\n"
 "\n"
 "      // calculate directional shading\n"
 "      color.rgb = color.rgb * LightColor * (myhalf(texture2D(Texture_Attenuation, vec2(length(CubeVector), 0.0))) * (AmbientScale + DiffuseScale * myhalf(max(float(dot(surfacenormal, diffusenormal)), 0.0))));\n"
-"#else\n"
+"#  else\n"
 "      // calculate directionless shading\n"
 "      color.rgb = color.rgb * LightColor * myhalf(texture2D(Texture_Attenuation, vec2(length(CubeVector), 0.0)));\n"
-"#endif\n"
-"#endif\n"
+"#  endif\n"
+"# endif\n"
 "\n"
-"#ifdef USECUBEFILTER\n"
+"# ifdef USECUBEFILTER\n"
 "      // apply light cubemap filter\n"
 "      //color.rgb *= normalize(CubeVector) * 0.5 + 0.5;//vec3(textureCube(Texture_Cube, CubeVector));\n"
 "      color.rgb *= myhvec3(textureCube(Texture_Cube, CubeVector));\n"
-"#endif\n"
+"# endif\n"
+"      color *= myhvec4(gl_Color);\n"
+"#endif // MODE_LIGHTSOURCE\n"
 "\n"
 "\n"
 "\n"
 "\n"
-"#elif defined(MODE_LIGHTDIRECTION)\n"
+"#ifdef MODE_LIGHTDIRECTION\n"
 "      // directional model lighting\n"
 "\n"
 "      // get the surface normal and light normal\n"
@@ -600,43 +710,91 @@ static const char *builtinshaderstring =
 "\n"
 "      // calculate directional shading\n"
 "      color.rgb *= AmbientColor + DiffuseColor * myhalf(max(float(dot(surfacenormal, diffusenormal)), 0.0));\n"
-"#ifdef USESPECULAR\n"
+"# ifdef USESPECULAR\n"
 "      myhvec3 specularnormal = normalize(diffusenormal + myhvec3(normalize(EyeVector)));\n"
 "      color.rgb += myhvec3(texture2D(Texture_Gloss, TexCoord)) * SpecularColor * pow(myhalf(max(float(dot(surfacenormal, specularnormal)), 0.0)), SpecularPower);\n"
-"#endif\n"
+"# endif\n"
+"      color *= myhvec4(gl_Color);\n"
+"#endif // MODE_LIGHTDIRECTION\n"
 "\n"
 "\n"
 "\n"
 "\n"
-"#elif defined(MODE_LIGHTDIRECTIONMAP_MODELSPACE) || defined(MODE_LIGHTDIRECTIONMAP_TANGENTSPACE)\n"
+"#ifdef MODE_LIGHTDIRECTIONMAP_MODELSPACE\n"
 "      // deluxemap lightmapping using light vectors in modelspace (evil q3map2)\n"
 "\n"
 "      // get the surface normal and light normal\n"
 "      myhvec3 surfacenormal = normalize(myhvec3(texture2D(Texture_Normal, TexCoord)) - myhvec3(0.5));\n"
 "\n"
-"#ifdef MODE_LIGHTDIRECTIONMAP_MODELSPACE\n"
 "      myhvec3 diffusenormal_modelspace = myhvec3(texture2D(Texture_Deluxemap, TexCoordLightmap)) - myhvec3(0.5);\n"
 "      myhvec3 diffusenormal = normalize(myhvec3(dot(diffusenormal_modelspace, myhvec3(VectorS)), dot(diffusenormal_modelspace, myhvec3(VectorT)), dot(diffusenormal_modelspace, myhvec3(VectorR))));\n"
-"#else\n"
+"      // calculate directional shading\n"
+"      myhvec3 tempcolor = color.rgb * (DiffuseScale * myhalf(max(float(dot(surfacenormal, diffusenormal)), 0.0)));\n"
+"# ifdef USESPECULAR\n"
+"      myhvec3 specularnormal = myhvec3(normalize(diffusenormal + myhvec3(normalize(EyeVector))));\n"
+"      tempcolor += myhvec3(texture2D(Texture_Gloss, TexCoord)) * SpecularScale * pow(myhalf(max(float(dot(surfacenormal, specularnormal)), 0.0)), SpecularPower);\n"
+"# endif\n"
+"\n"
+"      // apply lightmap color\n"
+"      color.rgb = myhvec4(tempcolor,1) * myhvec4(texture2D(Texture_Lightmap, TexCoordLightmap)) * myhvec4(gl_Color) + myhvec4(color.rgb * AmbientScale, 0);\n"
+"#endif // MODE_LIGHTDIRECTIONMAP_MODELSPACE\n"
+"\n"
+"\n"
+"\n"
+"\n"
+"#ifdef MODE_LIGHTDIRECTIONMAP_TANGENTSPACE\n"
+"      // deluxemap lightmapping using light vectors in tangentspace (hmap2 -light)\n"
+"\n"
+"      // get the surface normal and light normal\n"
+"      myhvec3 surfacenormal = normalize(myhvec3(texture2D(Texture_Normal, TexCoord)) - myhvec3(0.5));\n"
+"\n"
 "      myhvec3 diffusenormal = normalize(myhvec3(texture2D(Texture_Deluxemap, TexCoordLightmap)) - myhvec3(0.5));\n"
-"#endif\n"
 "      // calculate directional shading\n"
 "      myhvec3 tempcolor = color.rgb * (DiffuseScale * myhalf(max(float(dot(surfacenormal, diffusenormal)), 0.0)));\n"
-"#ifdef USESPECULAR\n"
+"# ifdef USESPECULAR\n"
 "      myhvec3 specularnormal = myhvec3(normalize(diffusenormal + myhvec3(normalize(EyeVector))));\n"
 "      tempcolor += myhvec3(texture2D(Texture_Gloss, TexCoord)) * SpecularScale * pow(myhalf(max(float(dot(surfacenormal, specularnormal)), 0.0)), SpecularPower);\n"
-"#endif\n"
+"# endif\n"
 "\n"
 "      // apply lightmap color\n"
-"      color.rgb = tempcolor * myhvec3(texture2D(Texture_Lightmap, TexCoordLightmap)) + color.rgb * AmbientScale;\n"
+"      color = myhvec4(tempcolor, 1) * myhvec4(texture2D(Texture_Lightmap, TexCoordLightmap)) * myhvec4(gl_Color) + myhvec4(color.rgb * AmbientScale, 0);\n"
+"#endif // MODE_LIGHTDIRECTIONMAP_TANGENTSPACE\n"
+"\n"
 "\n"
 "\n"
-"#else // MODE none (lightmap)\n"
+"\n"
+"#ifdef MODE_LIGHTMAP\n"
 "      // apply lightmap color\n"
-"      color.rgb *= myhvec3(texture2D(Texture_Lightmap, TexCoordLightmap)) * DiffuseScale + myhvec3(AmbientScale);\n"
-"#endif // MODE\n"
+"      color *= myhvec4(texture2D(Texture_Lightmap, TexCoordLightmap)) * myhvec4(gl_Color) * myhvec4(myhvec3(DiffuseScale), 1) + myhvec4(myhvec3(AmbientScale), 0);\n"
+"#endif // MODE_LIGHTMAP\n"
+"\n"
+"\n"
+"\n"
+"\n"
+"\n"
+"\n"
 "\n"
-"      color *= myhvec4(gl_Color);\n"
+"\n"
+"#ifdef MODE_LIGHTSOURCE\n"
+"# ifdef USEWATER\n"
+"      color.rgb *= color.a;\n"
+"# endif\n"
+"#else\n"
+"# ifdef USEWATER\n"
+"      vec4 ScreenScaleRefractReflectIW = ScreenScaleRefractReflect * (1.0 / ModelViewProjectionPosition.w);\n"
+"      //vec4 ScreenTexCoord = (ModelViewProjectionPosition.xyxy + normalize(myhvec3(texture2D(Texture_Normal, TexCoord)) - myhvec3(0.5)).xyxy * DistortScaleRefractReflect * 100) * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect;\n"
+"      vec4 ScreenTexCoord = ModelViewProjectionPosition.xyxy * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect + vec3(normalize(myhvec3(texture2D(Texture_Normal, TexCoord)) - myhvec3(0.5))).xyxy * DistortScaleRefractReflect;\n"
+"      myhalf Fresnel = myhalf(pow(min(1.0, 1.0 - float(normalize(EyeVector).z)), 2.0));\n"
+"      color.rgb = mix(mix(myhvec3(texture2D(Texture_Refraction, ScreenTexCoord.xy)) * RefractColor, myhvec3(texture2D(Texture_Reflection, ScreenTexCoord.zw)) * ReflectColor, Fresnel), color.rgb, color.a);\n"
+"# else\n"
+"#  ifdef USEREFLECTION\n"
+"      vec4 ScreenScaleRefractReflectIW = ScreenScaleRefractReflect * (1.0 / ModelViewProjectionPosition.w);\n"
+"      //vec4 ScreenTexCoord = (ModelViewProjectionPosition.xyxy + normalize(myhvec3(texture2D(Texture_Normal, TexCoord)) - myhvec3(0.5)).xyxy * DistortScaleRefractReflect * 100) * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect;\n"
+"      vec4 ScreenTexCoord = ModelViewProjectionPosition.xyxy * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect + vec3(normalize(myhvec3(texture2D(Texture_Normal, TexCoord)) - myhvec3(0.5))).xyxy * DistortScaleRefractReflect;\n"
+"      color.rgb += myhvec3(texture2D(Texture_Gloss, TexCoord)) * myhvec3(texture2D(Texture_Reflection, ScreenTexCoord.zw));\n"
+"#  endif\n"
+"# endif\n"
+"#endif\n"
 "\n"
 "#ifdef USEGLOW\n"
 "      color.rgb += myhvec3(texture2D(Texture_Glow, TexCoord)) * GlowScale;\n"
@@ -647,7 +805,11 @@ static const char *builtinshaderstring =
 "      color.rgb = mix(FogColor, color.rgb, myhalf(texture2D(Texture_FogMask, myhvec2(length(EyeVectorModelSpace)*FogRangeRecip, 0.0))));\n"
 "#endif\n"
 "\n"
+"#ifdef USECONTRASTBOOST\n"
+"      color.rgb = color.rgb * SceneBrightness / (ContrastBoostCoeff * color.rgb + myhvec3(1, 1, 1));\n"
+"#else\n"
 "      color.rgb *= SceneBrightness;\n"
+"#endif\n"
 "\n"
 "      gl_FragColor = vec4(color);\n"
 "}\n"
@@ -658,14 +820,18 @@ static const char *builtinshaderstring =
 // NOTE: MUST MATCH ORDER OF SHADERPERMUTATION_* DEFINES!
 const char *permutationinfo[][2] =
 {
-       {"#define MODE_LIGHTSOURCE\n", " lightsource"},
+       {"#define MODE_LIGHTMAP\n", " lightmap"},
        {"#define MODE_LIGHTDIRECTIONMAP_MODELSPACE\n", " lightdirectionmap_modelspace"},
        {"#define MODE_LIGHTDIRECTIONMAP_TANGENTSPACE\n", " lightdirectionmap_tangentspace"},
        {"#define MODE_LIGHTDIRECTION\n", " lightdirection"},
+       {"#define MODE_LIGHTSOURCE\n", " lightsource"},
+       {"#define USEWATER\n", " water"},
+       {"#define USEREFLECTION\n", " reflection"},
        {"#define USEGLOW\n", " glow"},
        {"#define USEFOG\n", " fog"},
        {"#define USECOLORMAPPING\n", " colormapping"},
        {"#define USEDIFFUSE\n", " diffuse"},
+       {"#define USECONTRASTBOOST\n", " contrastboost"},
        {"#define USESPECULAR\n", " specular"},
        {"#define USECUBEFILTER\n", " cubefilter"},
        {"#define USEOFFSETMAPPING\n", " offsetmapping"},
@@ -759,6 +925,8 @@ void R_GLSL_CompilePermutation(const char *filename, int permutation)
                p->loc_Texture_Lightmap    = qglGetUniformLocationARB(p->program, "Texture_Lightmap");
                p->loc_Texture_Deluxemap   = qglGetUniformLocationARB(p->program, "Texture_Deluxemap");
                p->loc_Texture_Glow        = qglGetUniformLocationARB(p->program, "Texture_Glow");
+               p->loc_Texture_Refraction  = qglGetUniformLocationARB(p->program, "Texture_Refraction");
+               p->loc_Texture_Reflection  = qglGetUniformLocationARB(p->program, "Texture_Reflection");
                p->loc_FogColor            = qglGetUniformLocationARB(p->program, "FogColor");
                p->loc_LightPosition       = qglGetUniformLocationARB(p->program, "LightPosition");
                p->loc_EyePosition         = qglGetUniformLocationARB(p->program, "EyePosition");
@@ -777,6 +945,12 @@ void R_GLSL_CompilePermutation(const char *filename, int permutation)
                p->loc_DiffuseColor        = qglGetUniformLocationARB(p->program, "DiffuseColor");
                p->loc_SpecularColor       = qglGetUniformLocationARB(p->program, "SpecularColor");
                p->loc_LightDir            = qglGetUniformLocationARB(p->program, "LightDir");
+               p->loc_ContrastBoostCoeff  = qglGetUniformLocationARB(p->program, "ContrastBoostCoeff");
+               p->loc_DistortScaleRefractReflect = qglGetUniformLocationARB(p->program, "DistortScaleRefractReflect");
+               p->loc_ScreenScaleRefractReflect = qglGetUniformLocationARB(p->program, "ScreenScaleRefractReflect");
+               p->loc_ScreenCenterRefractReflect = qglGetUniformLocationARB(p->program, "ScreenCenterRefractReflect");
+               p->loc_RefractColor        = qglGetUniformLocationARB(p->program, "RefractColor");
+               p->loc_ReflectColor        = qglGetUniformLocationARB(p->program, "ReflectColor");
                // initialize the samplers to refer to the texture units we use
                if (p->loc_Texture_Normal >= 0)    qglUniform1iARB(p->loc_Texture_Normal, 0);
                if (p->loc_Texture_Color >= 0)     qglUniform1iARB(p->loc_Texture_Color, 1);
@@ -789,11 +963,13 @@ void R_GLSL_CompilePermutation(const char *filename, int permutation)
                if (p->loc_Texture_Deluxemap >= 0) qglUniform1iARB(p->loc_Texture_Deluxemap, 8);
                if (p->loc_Texture_Glow >= 0)      qglUniform1iARB(p->loc_Texture_Glow, 9);
                if (p->loc_Texture_Attenuation >= 0) qglUniform1iARB(p->loc_Texture_Attenuation, 10);
+               if (p->loc_Texture_Refraction >= 0) qglUniform1iARB(p->loc_Texture_Refraction, 11);
+               if (p->loc_Texture_Reflection >= 0) qglUniform1iARB(p->loc_Texture_Reflection, 12);
                CHECKGLERROR
                qglUseProgramObjectARB(0);CHECKGLERROR
        }
        else
-               Con_Printf("permutation%s failed for shader %s, some features may not work properly!\n", permutationname, "glsl/default.glsl");
+               Con_Printf("permutation%s failed for shader %s, some features may not work properly!\n", permutationname, filename);
        if (shaderstring)
                Mem_Free(shaderstring);
 }
@@ -807,6 +983,28 @@ void R_GLSL_Restart_f(void)
        memset(r_glsl_permutations, 0, sizeof(r_glsl_permutations));
 }
 
+void R_GLSL_DumpShader_f(void)
+{
+       int i;
+
+       qfile_t *file = FS_Open("glsl/default.glsl", "w", false, false);
+       if(!file)
+       {
+               Con_Printf("failed to write to glsl/default.glsl\n");
+               return;
+       }
+
+       FS_Print(file, "// The engine may define the following macros:\n");
+       FS_Print(file, "// #define VERTEX_SHADER\n// #define GEOMETRY_SHADER\n// #define FRAGMENT_SHADER\n");
+       for (i = 0;permutationinfo[i][0];i++)
+               FS_Printf(file, "// %s", permutationinfo[i][0]);
+       FS_Print(file, "\n");
+       FS_Print(file, builtinshaderstring);
+       FS_Close(file);
+
+       Con_Printf("glsl/default.glsl written\n");
+}
+
 extern rtexture_t *r_shadow_attenuationgradienttexture;
 extern rtexture_t *r_shadow_attenuation2dtexture;
 extern rtexture_t *r_shadow_attenuation3dtexture;
@@ -818,14 +1016,15 @@ int R_SetupSurfaceShader(const vec3_t lightcolorbase, qboolean modellighting, fl
        // fragment shader on features that are not being used
        const char *shaderfilename = NULL;
        unsigned int permutation = 0;
+       rtexture_t *nmap;
        r_glsl_permutation = NULL;
        // TODO: implement geometry-shader based shadow volumes someday
-       if (r_shadow_rtlight)
+       if (rsurface.rtlight)
        {
                // light source
                shaderfilename = "glsl/default.glsl";
                permutation = SHADERPERMUTATION_MODE_LIGHTSOURCE | SHADERPERMUTATION_USES_VERTEXSHADER | SHADERPERMUTATION_USES_FRAGMENTSHADER;
-               if (r_shadow_rtlight->currentcubemap != r_texture_whitecube)
+               if (rsurface.rtlight->currentcubemap != r_texture_whitecube)
                        permutation |= SHADERPERMUTATION_CUBEFILTER;
                if (diffusescale > 0)
                        permutation |= SHADERPERMUTATION_DIFFUSE;
@@ -833,7 +1032,7 @@ int R_SetupSurfaceShader(const vec3_t lightcolorbase, qboolean modellighting, fl
                        permutation |= SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_DIFFUSE;
                if (r_refdef.fogenabled)
                        permutation |= SHADERPERMUTATION_FOG;
-               if (rsurface_texture->colormapping)
+               if (rsurface.texture->colormapping)
                        permutation |= SHADERPERMUTATION_COLORMAPPING;
                if (r_glsl_offsetmapping.integer)
                {
@@ -841,17 +1040,24 @@ int R_SetupSurfaceShader(const vec3_t lightcolorbase, qboolean modellighting, fl
                        if (r_glsl_offsetmapping_reliefmapping.integer)
                                permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;
                }
+               if(r_glsl_contrastboost.value > 1 || r_glsl_contrastboost.value < 0)
+                       permutation |= SHADERPERMUTATION_CONTRASTBOOST;
+               if (rsurface.texture->currentmaterialflags & MATERIALFLAG_WATERSHADER)
+                       permutation |= SHADERPERMUTATION_WATER;
+               if (rsurface.texture->currentmaterialflags & MATERIALFLAG_REFLECTION)
+                       permutation |= SHADERPERMUTATION_REFLECTION;
        }
-       else if (rsurface_texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT)
+       else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT)
        {
                // bright unshaded geometry
                shaderfilename = "glsl/default.glsl";
                permutation = SHADERPERMUTATION_USES_VERTEXSHADER | SHADERPERMUTATION_USES_FRAGMENTSHADER;
-               if (rsurface_texture->currentskinframe->glow)
+               permutation |= SHADERPERMUTATION_MODE_LIGHTMAP;
+               if (rsurface.texture->currentskinframe->glow)
                        permutation |= SHADERPERMUTATION_GLOW;
                if (r_refdef.fogenabled)
                        permutation |= SHADERPERMUTATION_FOG;
-               if (rsurface_texture->colormapping)
+               if (rsurface.texture->colormapping)
                        permutation |= SHADERPERMUTATION_COLORMAPPING;
                if (r_glsl_offsetmapping.integer)
                {
@@ -859,6 +1065,12 @@ int R_SetupSurfaceShader(const vec3_t lightcolorbase, qboolean modellighting, fl
                        if (r_glsl_offsetmapping_reliefmapping.integer)
                                permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;
                }
+               if(r_glsl_contrastboost.value > 1 || r_glsl_contrastboost.value < 0)
+                       permutation |= SHADERPERMUTATION_CONTRASTBOOST;
+               if (rsurface.texture->currentmaterialflags & MATERIALFLAG_WATERSHADER)
+                       permutation |= SHADERPERMUTATION_WATER;
+               if (rsurface.texture->currentmaterialflags & MATERIALFLAG_REFLECTION)
+                       permutation |= SHADERPERMUTATION_REFLECTION;
        }
        else if (modellighting)
        {
@@ -866,13 +1078,13 @@ int R_SetupSurfaceShader(const vec3_t lightcolorbase, qboolean modellighting, fl
                shaderfilename = "glsl/default.glsl";
                permutation = SHADERPERMUTATION_USES_VERTEXSHADER | SHADERPERMUTATION_USES_FRAGMENTSHADER;
                permutation |= SHADERPERMUTATION_MODE_LIGHTDIRECTION;
-               if (rsurface_texture->currentskinframe->glow)
+               if (rsurface.texture->currentskinframe->glow)
                        permutation |= SHADERPERMUTATION_GLOW;
                if (specularscale > 0)
                        permutation |= SHADERPERMUTATION_SPECULAR;
                if (r_refdef.fogenabled)
                        permutation |= SHADERPERMUTATION_FOG;
-               if (rsurface_texture->colormapping)
+               if (rsurface.texture->colormapping)
                        permutation |= SHADERPERMUTATION_COLORMAPPING;
                if (r_glsl_offsetmapping.integer)
                {
@@ -880,16 +1092,22 @@ int R_SetupSurfaceShader(const vec3_t lightcolorbase, qboolean modellighting, fl
                        if (r_glsl_offsetmapping_reliefmapping.integer)
                                permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;
                }
+               if(r_glsl_contrastboost.value > 1 || r_glsl_contrastboost.value < 0)
+                       permutation |= SHADERPERMUTATION_CONTRASTBOOST;
+               if (rsurface.texture->currentmaterialflags & MATERIALFLAG_WATERSHADER)
+                       permutation |= SHADERPERMUTATION_WATER;
+               if (rsurface.texture->currentmaterialflags & MATERIALFLAG_REFLECTION)
+                       permutation |= SHADERPERMUTATION_REFLECTION;
        }
        else
        {
                // lightmapped wall
                shaderfilename = "glsl/default.glsl";
                permutation = SHADERPERMUTATION_USES_VERTEXSHADER | SHADERPERMUTATION_USES_FRAGMENTSHADER;
-               if (r_glsl_deluxemapping.integer >= 1 && rsurface_lightmaptexture && r_refdef.worldmodel && r_refdef.worldmodel->brushq3.deluxemapping)
+               if (r_glsl_deluxemapping.integer >= 1 && rsurface.uselightmaptexture && r_refdef.worldmodel && r_refdef.worldmodel->brushq3.deluxemapping)
                {
                        // deluxemapping (light direction texture)
-                       if (rsurface_lightmaptexture && r_refdef.worldmodel && r_refdef.worldmodel->brushq3.deluxemapping && r_refdef.worldmodel->brushq3.deluxemapping_modelspace)
+                       if (rsurface.uselightmaptexture && r_refdef.worldmodel && r_refdef.worldmodel->brushq3.deluxemapping && r_refdef.worldmodel->brushq3.deluxemapping_modelspace)
                                permutation |= SHADERPERMUTATION_MODE_LIGHTDIRECTIONMAP_MODELSPACE;
                        else
                                permutation |= SHADERPERMUTATION_MODE_LIGHTDIRECTIONMAP_TANGENTSPACE;
@@ -906,13 +1124,13 @@ int R_SetupSurfaceShader(const vec3_t lightcolorbase, qboolean modellighting, fl
                else
                {
                        // ordinary lightmapping
-                       permutation |= 0;
+                       permutation |= SHADERPERMUTATION_MODE_LIGHTMAP;
                }
-               if (rsurface_texture->currentskinframe->glow)
+               if (rsurface.texture->currentskinframe->glow)
                        permutation |= SHADERPERMUTATION_GLOW;
                if (r_refdef.fogenabled)
                        permutation |= SHADERPERMUTATION_FOG;
-               if (rsurface_texture->colormapping)
+               if (rsurface.texture->colormapping)
                        permutation |= SHADERPERMUTATION_COLORMAPPING;
                if (r_glsl_offsetmapping.integer)
                {
@@ -920,6 +1138,12 @@ int R_SetupSurfaceShader(const vec3_t lightcolorbase, qboolean modellighting, fl
                        if (r_glsl_offsetmapping_reliefmapping.integer)
                                permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;
                }
+               if(r_glsl_contrastboost.value > 1 || r_glsl_contrastboost.value < 0)
+                       permutation |= SHADERPERMUTATION_CONTRASTBOOST;
+               if (rsurface.texture->currentmaterialflags & MATERIALFLAG_WATERSHADER)
+                       permutation |= SHADERPERMUTATION_WATER;
+               if (rsurface.texture->currentmaterialflags & MATERIALFLAG_REFLECTION)
+                       permutation |= SHADERPERMUTATION_REFLECTION;
        }
        if (!r_glsl_permutations[permutation & SHADERPERMUTATION_MASK].program)
        {
@@ -929,14 +1153,18 @@ int R_SetupSurfaceShader(const vec3_t lightcolorbase, qboolean modellighting, fl
                {
                        // remove features until we find a valid permutation
                        unsigned int i;
-                       for (i = SHADERPERMUTATION_MASK;;i>>=1)
+                       for (i = (SHADERPERMUTATION_MAX >> 1);;i>>=1)
                        {
                                if (!i)
-                                       return 0; // utterly failed
+                               {
+                                       Con_Printf("OpenGL 2.0 shaders disabled - unable to find a working shader permutation fallback on this driver (set r_glsl 1 if you want to try again)\n");
+                                       Cvar_SetValueQuick(&r_glsl, 0);
+                                       return 0; // no bit left to clear
+                               }
                                // reduce i more quickly whenever it would not remove any bits
-                               if (permutation < i)
+                               if (!(permutation & i))
                                        continue;
-                               permutation &= i;
+                               permutation &= ~i;
                                if (!r_glsl_permutations[permutation & SHADERPERMUTATION_MASK].compiled)
                                        R_GLSL_CompilePermutation(shaderfilename, permutation);
                                if (r_glsl_permutations[permutation & SHADERPERMUTATION_MASK].program)
@@ -947,11 +1175,11 @@ int R_SetupSurfaceShader(const vec3_t lightcolorbase, qboolean modellighting, fl
        r_glsl_permutation = r_glsl_permutations + (permutation & SHADERPERMUTATION_MASK);
        CHECKGLERROR
        qglUseProgramObjectARB(r_glsl_permutation->program);CHECKGLERROR
-       R_Mesh_TexMatrix(0, &rsurface_texture->currenttexmatrix);
+       R_Mesh_TexMatrix(0, &rsurface.texture->currenttexmatrix);
        if (permutation & SHADERPERMUTATION_MODE_LIGHTSOURCE)
        {
-               if (r_glsl_permutation->loc_Texture_Cube >= 0 && r_shadow_rtlight) R_Mesh_TexBindCubeMap(3, R_GetTexture(r_shadow_rtlight->currentcubemap));
-               if (r_glsl_permutation->loc_LightPosition >= 0) qglUniform3fARB(r_glsl_permutation->loc_LightPosition, r_shadow_entitylightorigin[0], r_shadow_entitylightorigin[1], r_shadow_entitylightorigin[2]);
+               if (r_glsl_permutation->loc_Texture_Cube >= 0 && rsurface.rtlight) R_Mesh_TexBindCubeMap(3, R_GetTexture(rsurface.rtlight->currentcubemap));
+               if (r_glsl_permutation->loc_LightPosition >= 0) qglUniform3fARB(r_glsl_permutation->loc_LightPosition, rsurface.entitylightorigin[0], rsurface.entitylightorigin[1], rsurface.entitylightorigin[2]);
                if (permutation & SHADERPERMUTATION_DIFFUSE)
                {
                        if (r_glsl_permutation->loc_LightColor >= 0) qglUniform3fARB(r_glsl_permutation->loc_LightColor, lightcolorbase[0], lightcolorbase[1], lightcolorbase[2]);
@@ -971,13 +1199,13 @@ int R_SetupSurfaceShader(const vec3_t lightcolorbase, qboolean modellighting, fl
        else if (permutation & SHADERPERMUTATION_MODE_LIGHTDIRECTION)
        {
                if (r_glsl_permutation->loc_AmbientColor >= 0)
-                       qglUniform3fARB(r_glsl_permutation->loc_AmbientColor, rsurface_entity->modellight_ambient[0] * ambientscale, rsurface_entity->modellight_ambient[1] * ambientscale, rsurface_entity->modellight_ambient[2] * ambientscale);
+                       qglUniform3fARB(r_glsl_permutation->loc_AmbientColor, rsurface.modellight_ambient[0] * ambientscale, rsurface.modellight_ambient[1] * ambientscale, rsurface.modellight_ambient[2] * ambientscale);
                if (r_glsl_permutation->loc_DiffuseColor >= 0)
-                       qglUniform3fARB(r_glsl_permutation->loc_DiffuseColor, rsurface_entity->modellight_diffuse[0] * diffusescale, rsurface_entity->modellight_diffuse[1] * diffusescale, rsurface_entity->modellight_diffuse[2] * diffusescale);
+                       qglUniform3fARB(r_glsl_permutation->loc_DiffuseColor, rsurface.modellight_diffuse[0] * diffusescale, rsurface.modellight_diffuse[1] * diffusescale, rsurface.modellight_diffuse[2] * diffusescale);
                if (r_glsl_permutation->loc_SpecularColor >= 0)
-                       qglUniform3fARB(r_glsl_permutation->loc_SpecularColor, rsurface_entity->modellight_diffuse[0] * specularscale, rsurface_entity->modellight_diffuse[1] * specularscale, rsurface_entity->modellight_diffuse[2] * specularscale);
+                       qglUniform3fARB(r_glsl_permutation->loc_SpecularColor, rsurface.modellight_diffuse[0] * specularscale, rsurface.modellight_diffuse[1] * specularscale, rsurface.modellight_diffuse[2] * specularscale);
                if (r_glsl_permutation->loc_LightDir >= 0)
-                       qglUniform3fARB(r_glsl_permutation->loc_LightDir, rsurface_entity->modellight_lightdir[0], rsurface_entity->modellight_lightdir[1], rsurface_entity->modellight_lightdir[2]);
+                       qglUniform3fARB(r_glsl_permutation->loc_LightDir, rsurface.modellight_lightdir[0], rsurface.modellight_lightdir[1], rsurface.modellight_lightdir[2]);
        }
        else
        {
@@ -985,45 +1213,70 @@ int R_SetupSurfaceShader(const vec3_t lightcolorbase, qboolean modellighting, fl
                if (r_glsl_permutation->loc_DiffuseScale >= 0) qglUniform1fARB(r_glsl_permutation->loc_DiffuseScale, r_refdef.lightmapintensity * 2.0f);
                if (r_glsl_permutation->loc_SpecularScale >= 0) qglUniform1fARB(r_glsl_permutation->loc_SpecularScale, r_refdef.lightmapintensity * specularscale * 2.0f);
        }
-       if (r_glsl_permutation->loc_Texture_Normal >= 0) R_Mesh_TexBind(0, R_GetTexture(rsurface_texture->currentskinframe->nmap));
-       if (r_glsl_permutation->loc_Texture_Color >= 0) R_Mesh_TexBind(1, R_GetTexture(rsurface_texture->basetexture));
-       if (r_glsl_permutation->loc_Texture_Gloss >= 0) R_Mesh_TexBind(2, R_GetTexture(rsurface_texture->glosstexture));
-       //if (r_glsl_permutation->loc_Texture_Cube >= 0 && permutation & SHADERPERMUTATION_MODE_LIGHTSOURCE) R_Mesh_TexBindCubeMap(3, R_GetTexture(r_shadow_rtlight->currentcubemap));
+       nmap = rsurface.texture->currentskinframe->nmap;
+       if (gl_lightmaps.integer)
+               nmap = r_texture_blanknormalmap;
+       if (r_glsl_permutation->loc_Texture_Normal >= 0) R_Mesh_TexBind(0, R_GetTexture(nmap));
+       if (r_glsl_permutation->loc_Texture_Color >= 0) R_Mesh_TexBind(1, R_GetTexture(rsurface.texture->basetexture));
+       if (r_glsl_permutation->loc_Texture_Gloss >= 0) R_Mesh_TexBind(2, R_GetTexture(rsurface.texture->glosstexture));
+       //if (r_glsl_permutation->loc_Texture_Cube >= 0 && permutation & SHADERPERMUTATION_MODE_LIGHTSOURCE) R_Mesh_TexBindCubeMap(3, R_GetTexture(rsurface.rtlight->currentcubemap));
        if (r_glsl_permutation->loc_Texture_Attenuation >= 0) R_Mesh_TexBind(10, R_GetTexture(r_shadow_attenuationgradienttexture));
        if (r_glsl_permutation->loc_Texture_FogMask >= 0) R_Mesh_TexBind(4, R_GetTexture(r_texture_fogattenuation));
-       if (r_glsl_permutation->loc_Texture_Pants >= 0) R_Mesh_TexBind(5, R_GetTexture(rsurface_texture->currentskinframe->pants));
-       if (r_glsl_permutation->loc_Texture_Shirt >= 0) R_Mesh_TexBind(6, R_GetTexture(rsurface_texture->currentskinframe->shirt));
+       if (r_glsl_permutation->loc_Texture_Pants >= 0) R_Mesh_TexBind(5, R_GetTexture(rsurface.texture->currentskinframe->pants));
+       if (r_glsl_permutation->loc_Texture_Shirt >= 0) R_Mesh_TexBind(6, R_GetTexture(rsurface.texture->currentskinframe->shirt));
        //if (r_glsl_permutation->loc_Texture_Lightmap >= 0) R_Mesh_TexBind(7, R_GetTexture(r_texture_white));
        //if (r_glsl_permutation->loc_Texture_Deluxemap >= 0) R_Mesh_TexBind(8, R_GetTexture(r_texture_blanknormalmap));
-       if (r_glsl_permutation->loc_Texture_Glow >= 0) R_Mesh_TexBind(9, R_GetTexture(rsurface_texture->currentskinframe->glow));
+       if (r_glsl_permutation->loc_Texture_Glow >= 0) R_Mesh_TexBind(9, R_GetTexture(rsurface.texture->currentskinframe->glow));
+       if (r_glsl_permutation->loc_Texture_Refraction >= 0) R_Mesh_TexBind(11, R_GetTexture(r_texture_white)); // changed per surface
+       if (r_glsl_permutation->loc_Texture_Reflection >= 0) R_Mesh_TexBind(12, R_GetTexture(r_texture_white)); // changed per surface
        if (r_glsl_permutation->loc_GlowScale >= 0) qglUniform1fARB(r_glsl_permutation->loc_GlowScale, r_hdr_glowintensity.value);
-       if (r_glsl_permutation->loc_SceneBrightness >= 0) qglUniform1fARB(r_glsl_permutation->loc_SceneBrightness, r_view.colorscale);
+       if (r_glsl_permutation->loc_ContrastBoostCoeff >= 0)
+       {
+               // The formula used is actually:
+               //   color.rgb *= SceneBrightness;
+               //   color.rgb *= ContrastBoost / ((ContrastBoost - 1) * color.rgb + 1);
+               // I simplify that to
+               //   color.rgb *= [[SceneBrightness * ContrastBoost]];
+               //   color.rgb /= [[(ContrastBoost - 1) / ContrastBoost]] * color.rgb + 1;
+               // and Black:
+               //   color.rgb = [[SceneBrightness * ContrastBoost]] / ([[(ContrastBoost - 1) * SceneBrightness]] + 1 / color.rgb);
+               // and do [[calculations]] here in the engine
+               qglUniform1fARB(r_glsl_permutation->loc_ContrastBoostCoeff, (r_glsl_contrastboost.value - 1) * r_view.colorscale);
+               if (r_glsl_permutation->loc_SceneBrightness >= 0) qglUniform1fARB(r_glsl_permutation->loc_SceneBrightness, r_view.colorscale * r_glsl_contrastboost.value);
+       }
+       else
+               if (r_glsl_permutation->loc_SceneBrightness >= 0) qglUniform1fARB(r_glsl_permutation->loc_SceneBrightness, r_view.colorscale);
        if (r_glsl_permutation->loc_FogColor >= 0)
        {
                // additive passes are only darkened by fog, not tinted
-               if (r_shadow_rtlight || (rsurface_texture->currentmaterialflags & MATERIALFLAG_ADD))
+               if (rsurface.rtlight || (rsurface.texture->currentmaterialflags & MATERIALFLAG_ADD))
                        qglUniform3fARB(r_glsl_permutation->loc_FogColor, 0, 0, 0);
                else
                        qglUniform3fARB(r_glsl_permutation->loc_FogColor, r_refdef.fogcolor[0], r_refdef.fogcolor[1], r_refdef.fogcolor[2]);
        }
-       if (r_glsl_permutation->loc_EyePosition >= 0) qglUniform3fARB(r_glsl_permutation->loc_EyePosition, rsurface_modelorg[0], rsurface_modelorg[1], rsurface_modelorg[2]);
+       if (r_glsl_permutation->loc_EyePosition >= 0) qglUniform3fARB(r_glsl_permutation->loc_EyePosition, rsurface.modelorg[0], rsurface.modelorg[1], rsurface.modelorg[2]);
        if (r_glsl_permutation->loc_Color_Pants >= 0)
        {
-               if (rsurface_texture->currentskinframe->pants)
-                       qglUniform3fARB(r_glsl_permutation->loc_Color_Pants, rsurface_entity->colormap_pantscolor[0], rsurface_entity->colormap_pantscolor[1], rsurface_entity->colormap_pantscolor[2]);
+               if (rsurface.texture->currentskinframe->pants)
+                       qglUniform3fARB(r_glsl_permutation->loc_Color_Pants, rsurface.colormap_pantscolor[0], rsurface.colormap_pantscolor[1], rsurface.colormap_pantscolor[2]);
                else
                        qglUniform3fARB(r_glsl_permutation->loc_Color_Pants, 0, 0, 0);
        }
        if (r_glsl_permutation->loc_Color_Shirt >= 0)
        {
-               if (rsurface_texture->currentskinframe->shirt)
-                       qglUniform3fARB(r_glsl_permutation->loc_Color_Shirt, rsurface_entity->colormap_shirtcolor[0], rsurface_entity->colormap_shirtcolor[1], rsurface_entity->colormap_shirtcolor[2]);
+               if (rsurface.texture->currentskinframe->shirt)
+                       qglUniform3fARB(r_glsl_permutation->loc_Color_Shirt, rsurface.colormap_shirtcolor[0], rsurface.colormap_shirtcolor[1], rsurface.colormap_shirtcolor[2]);
                else
                        qglUniform3fARB(r_glsl_permutation->loc_Color_Shirt, 0, 0, 0);
        }
        if (r_glsl_permutation->loc_FogRangeRecip >= 0) qglUniform1fARB(r_glsl_permutation->loc_FogRangeRecip, r_refdef.fograngerecip);
-       if (r_glsl_permutation->loc_SpecularPower >= 0) qglUniform1fARB(r_glsl_permutation->loc_SpecularPower, rsurface_texture->specularpower);
+       if (r_glsl_permutation->loc_SpecularPower >= 0) qglUniform1fARB(r_glsl_permutation->loc_SpecularPower, rsurface.texture->specularpower);
        if (r_glsl_permutation->loc_OffsetMapping_Scale >= 0) qglUniform1fARB(r_glsl_permutation->loc_OffsetMapping_Scale, r_glsl_offsetmapping_scale.value);
+       if (r_glsl_permutation->loc_DistortScaleRefractReflect >= 0) qglUniform4fARB(r_glsl_permutation->loc_DistortScaleRefractReflect, r_glsl_water_refractdistort.value, r_glsl_water_refractdistort.value, r_glsl_water_reflectdistort.value, r_glsl_water_reflectdistort.value);
+       if (r_glsl_permutation->loc_ScreenScaleRefractReflect >= 0) qglUniform4fARB(r_glsl_permutation->loc_ScreenScaleRefractReflect, r_waterstate.screenscale[0], r_waterstate.screenscale[1], r_waterstate.screenscale[0], r_waterstate.screenscale[1]);
+       if (r_glsl_permutation->loc_ScreenCenterRefractReflect >= 0) qglUniform4fARB(r_glsl_permutation->loc_ScreenCenterRefractReflect, r_waterstate.screencenter[0], r_waterstate.screencenter[1], r_waterstate.screencenter[0], r_waterstate.screencenter[1]);
+       if (r_glsl_permutation->loc_RefractColor >= 0) qglUniform3fARB(r_glsl_permutation->loc_RefractColor, r_glsl_water_refractcolor_r.value, r_glsl_water_refractcolor_g.value, r_glsl_water_refractcolor_b.value);
+       if (r_glsl_permutation->loc_ReflectColor >= 0) qglUniform3fARB(r_glsl_permutation->loc_ReflectColor, r_glsl_water_reflectcolor_r.value, r_glsl_water_reflectcolor_g.value, r_glsl_water_reflectcolor_b.value);
        CHECKGLERROR
        return permutation;
 }
@@ -1169,7 +1422,7 @@ skinframe_t *R_SkinFrame_LoadExternal(const char *name, int textureflags, qboole
 
        basepixels_width = image_width;
        basepixels_height = image_height;
-       skinframe->base = R_LoadTexture2D (r_main_texturepool, skinframe->basename, basepixels_width, basepixels_height, basepixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);
+       skinframe->base = R_LoadTexture2D (r_main_texturepool, skinframe->basename, basepixels_width, basepixels_height, basepixels, TEXTYPE_RGBA, skinframe->textureflags & (gl_texturecompression_color.integer ? ~0 : ~TEXF_COMPRESS), NULL);
 
        if (textureflags & TEXF_ALPHA)
        {
@@ -1187,7 +1440,7 @@ skinframe_t *R_SkinFrame_LoadExternal(const char *name, int textureflags, qboole
                                pixels[j+2] = 255;
                                pixels[j+3] = basepixels[j+3];
                        }
-                       skinframe->fog = R_LoadTexture2D (r_main_texturepool, va("%s_mask", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);
+                       skinframe->fog = R_LoadTexture2D (r_main_texturepool, va("%s_mask", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags & (gl_texturecompression_color.integer ? ~0 : ~TEXF_COMPRESS), NULL);
                        Mem_Free(pixels);
                }
        }
@@ -1197,7 +1450,7 @@ skinframe_t *R_SkinFrame_LoadExternal(const char *name, int textureflags, qboole
        {
                if ((pixels = loadimagepixels(va("%s_norm", skinframe->basename), false, 0, 0)) != NULL)
                {
-                       skinframe->nmap = R_LoadTexture2D (r_main_texturepool, va("%s_nmap", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);
+                       skinframe->nmap = R_LoadTexture2D (r_main_texturepool, va("%s_nmap", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags & (gl_texturecompression_normal.integer ? ~0 : ~TEXF_COMPRESS), NULL);
                        Mem_Free(pixels);
                        pixels = NULL;
                }
@@ -1205,7 +1458,7 @@ skinframe_t *R_SkinFrame_LoadExternal(const char *name, int textureflags, qboole
                {
                        pixels = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
                        Image_HeightmapToNormalmap(bumppixels, pixels, image_width, image_height, false, r_shadow_bumpscale_bumpmap.value);
-                       skinframe->nmap = R_LoadTexture2D (r_main_texturepool, va("%s_nmap", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);
+                       skinframe->nmap = R_LoadTexture2D (r_main_texturepool, va("%s_nmap", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags & (gl_texturecompression_normal.integer ? ~0 : ~TEXF_COMPRESS), NULL);
                        Mem_Free(pixels);
                        Mem_Free(bumppixels);
                }
@@ -1213,17 +1466,17 @@ skinframe_t *R_SkinFrame_LoadExternal(const char *name, int textureflags, qboole
                {
                        pixels = (unsigned char *)Mem_Alloc(tempmempool, basepixels_width * basepixels_height * 4);
                        Image_HeightmapToNormalmap(basepixels, pixels, basepixels_width, basepixels_height, false, r_shadow_bumpscale_basetexture.value);
-                       skinframe->nmap = R_LoadTexture2D (r_main_texturepool, va("%s_nmap", skinframe->basename), basepixels_width, basepixels_height, pixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);
+                       skinframe->nmap = R_LoadTexture2D (r_main_texturepool, va("%s_nmap", skinframe->basename), basepixels_width, basepixels_height, pixels, TEXTYPE_RGBA, skinframe->textureflags & (gl_texturecompression_normal.integer ? ~0 : ~TEXF_COMPRESS), NULL);
                        Mem_Free(pixels);
                }
        }
        // _luma is supported for tenebrae compatibility
        // (I think it's a very stupid name, but oh well)
        // _glow is the preferred name
-       if (loadglow          && ((pixels = loadimagepixels(va("%s_glow", skinframe->basename), false, 0, 0)) != NULL || (pixels = loadimagepixels(va("%s_luma", skinframe->basename), false, 0, 0)) != NULL)) {skinframe->glow = R_LoadTexture2D (r_main_texturepool, va("%s_glow", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);Mem_Free(pixels);pixels = NULL;}
-       if (loadgloss         && (pixels = loadimagepixels(va("%s_gloss", skinframe->basename), false, 0, 0)) != NULL) {skinframe->gloss = R_LoadTexture2D (r_main_texturepool, va("%s_gloss", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);Mem_Free(pixels);pixels = NULL;}
-       if (loadpantsandshirt && (pixels = loadimagepixels(va("%s_pants", skinframe->basename), false, 0, 0)) != NULL) {skinframe->pants = R_LoadTexture2D (r_main_texturepool, va("%s_pants", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);Mem_Free(pixels);pixels = NULL;}
-       if (loadpantsandshirt && (pixels = loadimagepixels(va("%s_shirt", skinframe->basename), false, 0, 0)) != NULL) {skinframe->shirt = R_LoadTexture2D (r_main_texturepool, va("%s_shirt", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);Mem_Free(pixels);pixels = NULL;}
+       if (loadglow          && ((pixels = loadimagepixels(va("%s_glow", skinframe->basename), false, 0, 0)) != NULL || (pixels = loadimagepixels(va("%s_luma", skinframe->basename), false, 0, 0)) != NULL)) {skinframe->glow = R_LoadTexture2D (r_main_texturepool, va("%s_glow", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags & (gl_texturecompression_glow.integer ? ~0 : ~TEXF_COMPRESS), NULL);Mem_Free(pixels);pixels = NULL;}
+       if (loadgloss         && (pixels = loadimagepixels(va("%s_gloss", skinframe->basename), false, 0, 0)) != NULL) {skinframe->gloss = R_LoadTexture2D (r_main_texturepool, va("%s_gloss", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags & (gl_texturecompression_gloss.integer ? ~0 : ~TEXF_COMPRESS), NULL);Mem_Free(pixels);pixels = NULL;}
+       if (loadpantsandshirt && (pixels = loadimagepixels(va("%s_pants", skinframe->basename), false, 0, 0)) != NULL) {skinframe->pants = R_LoadTexture2D (r_main_texturepool, va("%s_pants", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags & (gl_texturecompression_color.integer ? ~0 : ~TEXF_COMPRESS), NULL);Mem_Free(pixels);pixels = NULL;}
+       if (loadpantsandshirt && (pixels = loadimagepixels(va("%s_shirt", skinframe->basename), false, 0, 0)) != NULL) {skinframe->shirt = R_LoadTexture2D (r_main_texturepool, va("%s_shirt", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags & (gl_texturecompression_color.integer ? ~0 : ~TEXF_COMPRESS), NULL);Mem_Free(pixels);pixels = NULL;}
 
        if (basepixels)
                Mem_Free(basepixels);
@@ -1280,10 +1533,10 @@ skinframe_t *R_SkinFrame_LoadInternal(const char *name, int textureflags, int lo
                        temp1 = (unsigned char *)Mem_Alloc(tempmempool, width * height * 8);
                        temp2 = temp1 + width * height * 4;
                        Image_HeightmapToNormalmap(skindata, temp2, width, height, false, r_shadow_bumpscale_basetexture.value);
-                       skinframe->nmap = R_LoadTexture2D(r_main_texturepool, va("%s_nmap", skinframe->basename), width, height, temp2, TEXTYPE_RGBA, textureflags | TEXF_ALPHA, NULL);
+                       skinframe->nmap = R_LoadTexture2D(r_main_texturepool, va("%s_nmap", skinframe->basename), width, height, temp2, TEXTYPE_RGBA, skinframe->textureflags | TEXF_ALPHA, NULL);
                        Mem_Free(temp1);
                }
-               skinframe->base = skinframe->merged = R_LoadTexture2D(r_main_texturepool, skinframe->basename, width, height, skindata, TEXTYPE_RGBA, textureflags, NULL);
+               skinframe->base = skinframe->merged = R_LoadTexture2D(r_main_texturepool, skinframe->basename, width, height, skindata, TEXTYPE_RGBA, skinframe->textureflags, NULL);
                if (textureflags & TEXF_ALPHA)
                {
                        for (i = 3;i < width * height * 4;i += 4)
@@ -1295,7 +1548,7 @@ skinframe_t *R_SkinFrame_LoadInternal(const char *name, int textureflags, int lo
                                memcpy(fogpixels, skindata, width * height * 4);
                                for (i = 0;i < width * height * 4;i += 4)
                                        fogpixels[i] = fogpixels[i+1] = fogpixels[i+2] = 255;
-                               skinframe->fog = R_LoadTexture2D(r_main_texturepool, va("%s_fog", skinframe->basename), width, height, fogpixels, TEXTYPE_RGBA, textureflags, NULL);
+                               skinframe->fog = R_LoadTexture2D(r_main_texturepool, va("%s_fog", skinframe->basename), width, height, fogpixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);
                                Mem_Free(fogpixels);
                        }
                }
@@ -1314,20 +1567,20 @@ skinframe_t *R_SkinFrame_LoadInternal(const char *name, int textureflags, int lo
                                Image_Copy8bitRGBA(skindata, temp1, width * height, palette ? palette : palette_complete);
                                Image_HeightmapToNormalmap(temp1, temp2, width, height, false, r_shadow_bumpscale_basetexture.value);
                        }
-                       skinframe->nmap = R_LoadTexture2D(r_main_texturepool, va("%s_nmap", skinframe->basename), width, height, temp2, TEXTYPE_RGBA, textureflags | TEXF_ALPHA, NULL);
+                       skinframe->nmap = R_LoadTexture2D(r_main_texturepool, va("%s_nmap", skinframe->basename), width, height, temp2, TEXTYPE_RGBA, skinframe->textureflags | TEXF_ALPHA, NULL);
                        Mem_Free(temp1);
                }
                // use either a custom palette, or the quake palette
-               skinframe->base = skinframe->merged = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_merged", skinframe->basename), palette ? palette : (loadglowtexture ? palette_nofullbrights : ((textureflags & TEXF_ALPHA) ? palette_transparent : palette_complete)), textureflags, true); // all
+               skinframe->base = skinframe->merged = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_merged", skinframe->basename), palette ? palette : (loadglowtexture ? palette_nofullbrights : ((skinframe->textureflags & TEXF_ALPHA) ? palette_transparent : palette_complete)), skinframe->textureflags, true); // all
                if (!palette && loadglowtexture)
-                       skinframe->glow = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_glow", skinframe->basename), palette_onlyfullbrights, textureflags, false); // glow
+                       skinframe->glow = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_glow", skinframe->basename), palette_onlyfullbrights, skinframe->textureflags, false); // glow
                if (!palette && loadpantsandshirt)
                {
-                       skinframe->pants = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_pants", skinframe->basename), palette_pantsaswhite, textureflags, false); // pants
-                       skinframe->shirt = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_shirt", skinframe->basename), palette_shirtaswhite, textureflags, false); // shirt
+                       skinframe->pants = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_pants", skinframe->basename), palette_pantsaswhite, skinframe->textureflags, false); // pants
+                       skinframe->shirt = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_shirt", skinframe->basename), palette_shirtaswhite, skinframe->textureflags, false); // shirt
                }
                if (skinframe->pants || skinframe->shirt)
-                       skinframe->base = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_nospecial", skinframe->basename),loadglowtexture ? palette_nocolormapnofullbrights : palette_nocolormap, textureflags, false); // no special colors
+                       skinframe->base = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_nospecial", skinframe->basename),loadglowtexture ? palette_nocolormapnofullbrights : palette_nocolormap, skinframe->textureflags, false); // no special colors
                if (textureflags & TEXF_ALPHA)
                {
                        // if not using a custom alphapalette, use the quake one
@@ -1337,7 +1590,7 @@ skinframe_t *R_SkinFrame_LoadInternal(const char *name, int textureflags, int lo
                                if (((unsigned char *)alphapalette)[skindata[i]*4+3] < 255)
                                        break;
                        if (i < width * height)
-                               skinframe->fog = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_fog", skinframe->basename), alphapalette, textureflags, true); // fog mask
+                               skinframe->fog = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_fog", skinframe->basename), alphapalette, skinframe->textureflags, true); // fog mask
                }
        }
 
@@ -1397,6 +1650,7 @@ void gl_main_start(void)
        }
        R_BuildFogTexture();
        memset(&r_bloomstate, 0, sizeof(r_bloomstate));
+       memset(&r_waterstate, 0, sizeof(r_waterstate));
        memset(r_glsl_permutations, 0, sizeof(r_glsl_permutations));
        memset(&r_svbsp, 0, sizeof (r_svbsp));
 }
@@ -1416,10 +1670,12 @@ void gl_main_shutdown(void)
        R_FreeTexturePool(&r_main_texturepool);
        r_texture_blanknormalmap = NULL;
        r_texture_white = NULL;
+       r_texture_grey128 = NULL;
        r_texture_black = NULL;
        r_texture_whitecube = NULL;
        r_texture_normalizationcube = NULL;
        memset(&r_bloomstate, 0, sizeof(r_bloomstate));
+       memset(&r_waterstate, 0, sizeof(r_waterstate));
        R_GLSL_Restart_f();
 }
 
@@ -1453,6 +1709,7 @@ void GL_Main_Init(void)
        r_main_mempool = Mem_AllocPool("Renderer", 0, NULL);
 
        Cmd_AddCommand("r_glsl_restart", R_GLSL_Restart_f, "unloads GLSL shaders, they will then be reloaded as needed");
+       Cmd_AddCommand("r_glsl_dumpshader", R_GLSL_DumpShader_f, "dumps the engine internal default.glsl shader into glsl/default.glsl");
        // FIXME: the client should set up r_refdef.fog stuff including the fogmasktable
        if (gamemode == GAME_NEHAHRA)
        {
@@ -1491,11 +1748,24 @@ void GL_Main_Init(void)
        Cvar_RegisterVariable(&r_shadows);
        Cvar_RegisterVariable(&r_shadows_throwdistance);
        Cvar_RegisterVariable(&r_q1bsp_skymasking);
+       Cvar_RegisterVariable(&r_polygonoffset_submodel_factor);
+       Cvar_RegisterVariable(&r_polygonoffset_submodel_offset);
        Cvar_RegisterVariable(&r_textureunits);
        Cvar_RegisterVariable(&r_glsl);
        Cvar_RegisterVariable(&r_glsl_offsetmapping);
        Cvar_RegisterVariable(&r_glsl_offsetmapping_reliefmapping);
        Cvar_RegisterVariable(&r_glsl_offsetmapping_scale);
+       Cvar_RegisterVariable(&r_glsl_water);
+       Cvar_RegisterVariable(&r_glsl_water_resolutionmultiplier);
+       Cvar_RegisterVariable(&r_glsl_water_clippingplanebias);
+       Cvar_RegisterVariable(&r_glsl_water_refractcolor_r);
+       Cvar_RegisterVariable(&r_glsl_water_refractcolor_g);
+       Cvar_RegisterVariable(&r_glsl_water_refractcolor_b);
+       Cvar_RegisterVariable(&r_glsl_water_reflectcolor_r);
+       Cvar_RegisterVariable(&r_glsl_water_reflectcolor_g);
+       Cvar_RegisterVariable(&r_glsl_water_reflectcolor_b);
+       Cvar_RegisterVariable(&r_glsl_water_refractdistort);
+       Cvar_RegisterVariable(&r_glsl_water_reflectdistort);
        Cvar_RegisterVariable(&r_glsl_deluxemapping);
        Cvar_RegisterVariable(&r_lerpsprites);
        Cvar_RegisterVariable(&r_lerpmodels);
@@ -1509,6 +1779,7 @@ void GL_Main_Init(void)
        Cvar_RegisterVariable(&r_bloom_colorsubtract);
        Cvar_RegisterVariable(&r_hdr);
        Cvar_RegisterVariable(&r_hdr_scenebrightness);
+       Cvar_RegisterVariable(&r_glsl_contrastboost);
        Cvar_RegisterVariable(&r_hdr_glowintensity);
        Cvar_RegisterVariable(&r_hdr_range);
        Cvar_RegisterVariable(&r_smoothnormals_areaweighting);
@@ -1575,8 +1846,11 @@ int R_CullBox(const vec3_t mins, const vec3_t maxs)
 {
        int i;
        mplane_t *p;
-       for (i = 0;i < 4;i++)
+       for (i = 0;i < r_view.numfrustumplanes;i++)
        {
+               // skip nearclip plane, it often culls portals when you are very close, and is almost never useful
+               if (i == 4)
+                       continue;
                p = r_view.frustum + i;
                switch(p->signbits)
                {
@@ -1712,7 +1986,7 @@ static void R_View_UpdateEntityVisible (void)
        if (!r_drawentities.integer)
                return;
 
-       renderimask = r_refdef.envmap ? (RENDER_EXTERIORMODEL | RENDER_VIEWMODEL) : (chase_active.integer ? 0 : RENDER_EXTERIORMODEL);
+       renderimask = r_refdef.envmap ? (RENDER_EXTERIORMODEL | RENDER_VIEWMODEL) : ((chase_active.integer || r_waterstate.renderingscene) ? RENDER_VIEWMODEL : RENDER_EXTERIORMODEL);
        if (r_refdef.worldmodel && r_refdef.worldmodel->brush.BoxTouchingVisibleLeafs)
        {
                // worldmodel can check visibility
@@ -1774,8 +2048,8 @@ int R_DrawBrushModelsSky (void)
        return sky;
 }
 
-void R_DrawNoModel(entity_render_t *ent);
-void R_DrawModels(void)
+static void R_DrawNoModel(entity_render_t *ent);
+static void R_DrawModels(void)
 {
        int i;
        entity_render_t *ent;
@@ -1796,7 +2070,7 @@ void R_DrawModels(void)
        }
 }
 
-void R_DrawModelsDepth(void)
+static void R_DrawModelsDepth(void)
 {
        int i;
        entity_render_t *ent;
@@ -1815,8 +2089,47 @@ void R_DrawModelsDepth(void)
        }
 }
 
+static void R_DrawModelsDebug(void)
+{
+       int i;
+       entity_render_t *ent;
+
+       if (!r_drawentities.integer)
+               return;
+
+       for (i = 0;i < r_refdef.numentities;i++)
+       {
+               if (!r_viewcache.entityvisible[i])
+                       continue;
+               ent = r_refdef.entities[i];
+               r_refdef.stats.entities++;
+               if (ent->model && ent->model->DrawDebug != NULL)
+                       ent->model->DrawDebug(ent);
+       }
+}
+
+static void R_DrawModelsAddWaterPlanes(void)
+{
+       int i;
+       entity_render_t *ent;
+
+       if (!r_drawentities.integer)
+               return;
+
+       for (i = 0;i < r_refdef.numentities;i++)
+       {
+               if (!r_viewcache.entityvisible[i])
+                       continue;
+               ent = r_refdef.entities[i];
+               r_refdef.stats.entities++;
+               if (ent->model && ent->model->DrawAddWaterPlanes != NULL)
+                       ent->model->DrawAddWaterPlanes(ent);
+       }
+}
+
 static void R_View_SetFrustum(void)
 {
+       int i;
        double slopex, slopey;
 
        // break apart the view matrix into vectors for various purposes
@@ -1887,33 +2200,51 @@ static void R_View_SetFrustum(void)
 
 
 
-       slopex = 1.0 / r_view.frustum_x;
-       slopey = 1.0 / r_view.frustum_y;
-       VectorMA(r_view.forward, -slopex, r_view.left, r_view.frustum[0].normal);
-       VectorMA(r_view.forward,  slopex, r_view.left, r_view.frustum[1].normal);
-       VectorMA(r_view.forward, -slopey, r_view.up  , r_view.frustum[2].normal);
-       VectorMA(r_view.forward,  slopey, r_view.up  , r_view.frustum[3].normal);
-       VectorCopy(r_view.forward, r_view.frustum[4].normal);
-       VectorNormalize(r_view.frustum[0].normal);
-       VectorNormalize(r_view.frustum[1].normal);
-       VectorNormalize(r_view.frustum[2].normal);
-       VectorNormalize(r_view.frustum[3].normal);
-       r_view.frustum[0].dist = DotProduct (r_view.origin, r_view.frustum[0].normal);
-       r_view.frustum[1].dist = DotProduct (r_view.origin, r_view.frustum[1].normal);
-       r_view.frustum[2].dist = DotProduct (r_view.origin, r_view.frustum[2].normal);
-       r_view.frustum[3].dist = DotProduct (r_view.origin, r_view.frustum[3].normal);
-       r_view.frustum[4].dist = DotProduct (r_view.origin, r_view.frustum[4].normal) + r_refdef.nearclip;
-       PlaneClassify(&r_view.frustum[0]);
-       PlaneClassify(&r_view.frustum[1]);
-       PlaneClassify(&r_view.frustum[2]);
-       PlaneClassify(&r_view.frustum[3]);
-       PlaneClassify(&r_view.frustum[4]);
-
-       // calculate frustum corners, which are used to calculate deformed frustum planes for shadow caster culling
-       VectorMAMAMAM(1, r_view.origin, 1024, r_view.forward, -1024 * slopex, r_view.left, -1024 * slopey, r_view.up, r_view.frustumcorner[0]);
-       VectorMAMAMAM(1, r_view.origin, 1024, r_view.forward,  1024 * slopex, r_view.left, -1024 * slopey, r_view.up, r_view.frustumcorner[1]);
-       VectorMAMAMAM(1, r_view.origin, 1024, r_view.forward, -1024 * slopex, r_view.left,  1024 * slopey, r_view.up, r_view.frustumcorner[2]);
-       VectorMAMAMAM(1, r_view.origin, 1024, r_view.forward,  1024 * slopex, r_view.left,  1024 * slopey, r_view.up, r_view.frustumcorner[3]);
+       if (r_view.useperspective)
+       {
+               slopex = 1.0 / r_view.frustum_x;
+               slopey = 1.0 / r_view.frustum_y;
+               VectorMA(r_view.forward, -slopex, r_view.left, r_view.frustum[0].normal);
+               VectorMA(r_view.forward,  slopex, r_view.left, r_view.frustum[1].normal);
+               VectorMA(r_view.forward, -slopey, r_view.up  , r_view.frustum[2].normal);
+               VectorMA(r_view.forward,  slopey, r_view.up  , r_view.frustum[3].normal);
+               VectorCopy(r_view.forward, r_view.frustum[4].normal);
+
+               // calculate frustum corners, which are used to calculate deformed frustum planes for shadow caster culling
+               VectorMAMAMAM(1, r_view.origin, 1024, r_view.forward, -1024 * slopex, r_view.left, -1024 * slopey, r_view.up, r_view.frustumcorner[0]);
+               VectorMAMAMAM(1, r_view.origin, 1024, r_view.forward,  1024 * slopex, r_view.left, -1024 * slopey, r_view.up, r_view.frustumcorner[1]);
+               VectorMAMAMAM(1, r_view.origin, 1024, r_view.forward, -1024 * slopex, r_view.left,  1024 * slopey, r_view.up, r_view.frustumcorner[2]);
+               VectorMAMAMAM(1, r_view.origin, 1024, r_view.forward,  1024 * slopex, r_view.left,  1024 * slopey, r_view.up, r_view.frustumcorner[3]);
+
+               r_view.frustum[0].dist = DotProduct (r_view.origin, r_view.frustum[0].normal);
+               r_view.frustum[1].dist = DotProduct (r_view.origin, r_view.frustum[1].normal);
+               r_view.frustum[2].dist = DotProduct (r_view.origin, r_view.frustum[2].normal);
+               r_view.frustum[3].dist = DotProduct (r_view.origin, r_view.frustum[3].normal);
+               r_view.frustum[4].dist = DotProduct (r_view.origin, r_view.frustum[4].normal) + r_refdef.nearclip;
+       }
+       else
+       {
+               VectorScale(r_view.left, -r_view.ortho_x, r_view.frustum[0].normal);
+               VectorScale(r_view.left,  r_view.ortho_x, r_view.frustum[1].normal);
+               VectorScale(r_view.up, -r_view.ortho_y, r_view.frustum[2].normal);
+               VectorScale(r_view.up,  r_view.ortho_y, r_view.frustum[3].normal);
+               VectorCopy(r_view.forward, r_view.frustum[4].normal);
+               r_view.frustum[0].dist = DotProduct (r_view.origin, r_view.frustum[0].normal) + r_view.ortho_x;
+               r_view.frustum[1].dist = DotProduct (r_view.origin, r_view.frustum[1].normal) + r_view.ortho_x;
+               r_view.frustum[2].dist = DotProduct (r_view.origin, r_view.frustum[2].normal) + r_view.ortho_y;
+               r_view.frustum[3].dist = DotProduct (r_view.origin, r_view.frustum[3].normal) + r_view.ortho_y;
+               r_view.frustum[4].dist = DotProduct (r_view.origin, r_view.frustum[4].normal) + r_refdef.nearclip;
+       }
+       r_view.numfrustumplanes = 5;
+
+       if (r_view.useclipplane)
+       {
+               r_view.numfrustumplanes = 6;
+               r_view.frustum[5] = r_view.clipplane;
+       }
+
+       for (i = 0;i < r_view.numfrustumplanes;i++)
+               PlaneClassify(r_view.frustum + i);
 
        // LordHavoc: note to all quake engine coders, Quake had a special case
        // for 90 degrees which assumed a square view (wrong), so I removed it,
@@ -1948,18 +2279,30 @@ static void R_View_SetFrustum(void)
 void R_View_Update(void)
 {
        R_View_SetFrustum();
-       R_View_WorldVisibility();
+       R_View_WorldVisibility(r_view.useclipplane);
        R_View_UpdateEntityVisible();
 }
 
-void R_SetupView(const matrix4x4_t *matrix)
+void R_SetupView(void)
 {
-       if (r_refdef.rtworldshadows || r_refdef.rtdlightshadows)
+       if (!r_view.useperspective)
+               GL_SetupView_Mode_Ortho(-r_view.ortho_x, -r_view.ortho_y, r_view.ortho_x, r_view.ortho_y, -r_refdef.farclip, r_refdef.farclip);
+       else if (r_refdef.rtworldshadows || r_refdef.rtdlightshadows)
                GL_SetupView_Mode_PerspectiveInfiniteFarClip(r_view.frustum_x, r_view.frustum_y, r_refdef.nearclip);
        else
                GL_SetupView_Mode_Perspective(r_view.frustum_x, r_view.frustum_y, r_refdef.nearclip, r_refdef.farclip);
 
-       GL_SetupView_Orientation_FromEntity(matrix);
+       GL_SetupView_Orientation_FromEntity(&r_view.matrix);
+
+       if (r_view.useclipplane)
+       {
+               // LordHavoc: couldn't figure out how to make this approach the
+               vec_t dist = r_view.clipplane.dist - r_glsl_water_clippingplanebias.value;
+               vec_t viewdist = DotProduct(r_view.origin, r_view.clipplane.normal);
+               if (viewdist < r_view.clipplane.dist + r_glsl_water_clippingplanebias.value)
+                       dist = r_view.clipplane.dist;
+               GL_SetupView_ApplyCustomNearClipPlane(r_view.clipplane.normal[0], r_view.clipplane.normal[1], r_view.clipplane.normal[2], dist);
+       }
 }
 
 void R_ResetViewRendering2D(void)
@@ -1985,7 +2328,7 @@ void R_ResetViewRendering2D(void)
        GL_DepthTest(false);
        R_Mesh_Matrix(&identitymatrix);
        R_Mesh_ResetTextureState();
-       qglPolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);CHECKGLERROR
+       GL_PolygonOffset(0, 0);
        qglEnable(GL_POLYGON_OFFSET_FILL);CHECKGLERROR
        qglDepthFunc(GL_LEQUAL);CHECKGLERROR
        qglDisable(GL_STENCIL_TEST);CHECKGLERROR
@@ -2006,7 +2349,7 @@ void R_ResetViewRendering3D(void)
 
        // GL is weird because it's bottom to top, r_view.y is top to bottom
        qglViewport(r_view.x, vid.height - (r_view.y + r_view.height), r_view.width, r_view.height);CHECKGLERROR
-       R_SetupView(&r_view.matrix);
+       R_SetupView();
        GL_Scissor(r_view.x, r_view.y, r_view.width, r_view.height);
        GL_Color(1, 1, 1, 1);
        GL_ColorMask(r_view.colormask[0], r_view.colormask[1], r_view.colormask[2], 1);
@@ -2018,14 +2361,14 @@ void R_ResetViewRendering3D(void)
        GL_DepthTest(true);
        R_Mesh_Matrix(&identitymatrix);
        R_Mesh_ResetTextureState();
-       qglPolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);CHECKGLERROR
+       GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
        qglEnable(GL_POLYGON_OFFSET_FILL);CHECKGLERROR
        qglDepthFunc(GL_LEQUAL);CHECKGLERROR
        qglDisable(GL_STENCIL_TEST);CHECKGLERROR
        qglStencilMask(~0);CHECKGLERROR
        qglStencilFunc(GL_ALWAYS, 128, ~0);CHECKGLERROR
        qglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);CHECKGLERROR
-       GL_CullFace(GL_FRONT); // quake is backwards, this culls back faces
+       GL_CullFace(r_view.cullface_back);
 }
 
 /*
@@ -2089,7 +2432,233 @@ void R_ResetViewRendering3D(void)
 "#endif // FRAGMENT_SHADER\n"
 */
 
-void R_RenderScene(void);
+void R_RenderScene(qboolean addwaterplanes);
+
+static void R_Water_StartFrame(void)
+{
+       int i;
+       int texturewidth, textureheight;
+       r_waterstate_waterplane_t *p;
+
+       r_waterstate.maxwaterplanes = 0;
+
+       // set waterwidth and waterheight to the water resolution that will be
+       // used (often less than the screen resolution for faster rendering)
+       r_waterstate.waterwidth = (int)bound(1, r_view.width * r_glsl_water_resolutionmultiplier.value, r_view.width);
+       r_waterstate.waterheight = (int)bound(1, r_view.height * r_glsl_water_resolutionmultiplier.value, r_view.height);
+
+       // calculate desired texture sizes
+       if (gl_support_arb_texture_non_power_of_two)
+       {
+               texturewidth = r_waterstate.waterwidth;
+               textureheight = r_waterstate.waterheight;
+       }
+       else
+       {
+               for (texturewidth   = 1;texturewidth   < r_waterstate.waterwidth ;texturewidth   *= 2);
+               for (textureheight  = 1;textureheight  < r_waterstate.waterheight;textureheight  *= 2);
+       }
+
+       if (!r_glsl_water.integer)
+               texturewidth = textureheight = 0;
+
+       // allocate textures as needed
+       if (r_waterstate.texturewidth != texturewidth || r_waterstate.textureheight != textureheight)
+       {
+               for (i = 0, p = r_waterstate.waterplanes;i < r_waterstate.maxwaterplanes;i++, p++)
+               {
+                       if (p->texture_refraction)
+                               R_FreeTexture(p->texture_refraction);
+                       p->texture_refraction = NULL;
+                       if (p->texture_reflection)
+                               R_FreeTexture(p->texture_reflection);
+                       p->texture_reflection = NULL;
+               }
+               r_waterstate.texturewidth = texturewidth;
+               r_waterstate.textureheight = textureheight;
+       }
+
+       if ((!texturewidth && !textureheight) || texturewidth > gl_max_texture_size || textureheight > gl_max_texture_size)
+       {
+               // can't use water if the parameters are too weird
+               // can't use water if the card does not support the texture size
+               memset(&r_waterstate, 0, sizeof(r_waterstate));
+               return;
+       }
+
+       r_waterstate.enabled = true;
+
+       r_waterstate.maxwaterplanes = MAX_WATERPLANES;
+
+       // set up variables that will be used in shader setup
+       r_waterstate.screenscale[0] = 0.5f * (float)r_waterstate.waterwidth / (float)r_waterstate.texturewidth;
+       r_waterstate.screenscale[1] = 0.5f * (float)r_waterstate.waterheight / (float)r_waterstate.textureheight;
+       r_waterstate.screencenter[0] = 0.5f * (float)r_waterstate.waterwidth / (float)r_waterstate.texturewidth;
+       r_waterstate.screencenter[1] = 0.5f * (float)r_waterstate.waterheight / (float)r_waterstate.textureheight;
+}
+
+static void R_Water_AddWaterPlane(msurface_t *surface)
+{
+       int triangleindex, planeindex;
+       const int *e;
+       vec_t f;
+       vec3_t vert[3];
+       vec3_t normal;
+       vec3_t center;
+       r_waterstate_waterplane_t *p;
+       // just use the first triangle with a valid normal for any decisions
+       VectorClear(normal);
+       for (triangleindex = 0, e = rsurface.modelelement3i + surface->num_firsttriangle * 3;triangleindex < surface->num_triangles;triangleindex++, e += 3)
+       {
+               Matrix4x4_Transform(&rsurface.matrix, rsurface.modelvertex3f + e[0]*3, vert[0]);
+               Matrix4x4_Transform(&rsurface.matrix, rsurface.modelvertex3f + e[1]*3, vert[1]);
+               Matrix4x4_Transform(&rsurface.matrix, rsurface.modelvertex3f + e[2]*3, vert[2]);
+               TriangleNormal(vert[0], vert[1], vert[2], normal);
+               if (VectorLength2(normal) >= 0.001)
+                       break;
+       }
+       // now find the center of this surface
+       for (triangleindex = 0, e = rsurface.modelelement3i + surface->num_firsttriangle * 3;triangleindex < surface->num_triangles*3;triangleindex++, e++)
+       {
+               Matrix4x4_Transform(&rsurface.matrix, rsurface.modelvertex3f + e[0]*3, vert[0]);
+               VectorAdd(center, vert[0], center);
+       }
+       f = 1.0 / surface->num_triangles*3;
+       VectorScale(center, f, center);
+
+       // find a matching plane if there is one
+       for (planeindex = 0, p = r_waterstate.waterplanes;planeindex < r_waterstate.numwaterplanes;planeindex++, p++)
+               if (fabs(PlaneDiff(vert[0], &p->plane)) < 1 && fabs(PlaneDiff(vert[1], &p->plane)) < 1 && fabs(PlaneDiff(vert[2], &p->plane)) < 1)
+                       break;
+       if (planeindex >= r_waterstate.maxwaterplanes)
+               return; // nothing we can do, out of planes
+
+       // if this triangle does not fit any known plane rendered this frame, add one
+       if (planeindex >= r_waterstate.numwaterplanes)
+       {
+               // store the new plane
+               r_waterstate.numwaterplanes++;
+               VectorCopy(normal, p->plane.normal);
+               VectorNormalize(p->plane.normal);
+               p->plane.dist = DotProduct(vert[0], p->plane.normal);
+               PlaneClassify(&p->plane);
+               // flip the plane if it does not face the viewer
+               if (PlaneDiff(r_view.origin, &p->plane) < 0)
+               {
+                       VectorNegate(p->plane.normal, p->plane.normal);
+                       p->plane.dist *= -1;
+                       PlaneClassify(&p->plane);
+               }
+               // clear materialflags and pvs
+               p->materialflags = 0;
+               p->pvsvalid = false;
+       }
+       // merge this surface's materialflags into the waterplane
+       p->materialflags |= surface->texture->currentframe->currentmaterialflags;
+       // merge this surface's PVS into the waterplane
+       if (p->materialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFLECTION) && r_refdef.worldmodel && r_refdef.worldmodel->brush.FatPVS)
+       {
+               r_refdef.worldmodel->brush.FatPVS(r_refdef.worldmodel, r_view.origin, 2, p->pvsbits, sizeof(p->pvsbits), p->pvsvalid);
+               p->pvsvalid = true;
+       }
+}
+
+static void R_Water_ProcessPlanes(void)
+{
+       r_view_t originalview;
+       int planeindex;
+       r_waterstate_waterplane_t *p;
+
+       // make sure enough textures are allocated
+       for (planeindex = 0, p = r_waterstate.waterplanes;planeindex < r_waterstate.numwaterplanes;planeindex++, p++)
+       {
+               if (p->materialflags & MATERIALFLAG_WATERSHADER)
+               {
+                       if (!p->texture_refraction)
+                               p->texture_refraction = R_LoadTexture2D(r_main_texturepool, va("waterplane%i_refraction", planeindex), r_waterstate.texturewidth, r_waterstate.textureheight, NULL, TEXTYPE_RGBA, TEXF_FORCELINEAR | TEXF_CLAMP | TEXF_ALWAYSPRECACHE, NULL);
+                       if (!p->texture_refraction)
+                               goto error;
+               }
+
+               if (p->materialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFLECTION))
+               {
+                       if (!p->texture_reflection)
+                               p->texture_reflection = R_LoadTexture2D(r_main_texturepool, va("waterplane%i_reflection", planeindex), r_waterstate.texturewidth, r_waterstate.textureheight, NULL, TEXTYPE_RGBA, TEXF_FORCELINEAR | TEXF_CLAMP | TEXF_ALWAYSPRECACHE, NULL);
+                       if (!p->texture_reflection)
+                               goto error;
+               }
+       }
+
+       // render views
+       for (planeindex = 0, p = r_waterstate.waterplanes;planeindex < r_waterstate.numwaterplanes;planeindex++, p++)
+       {
+               originalview = r_view;
+               r_view.showdebug = false;
+               r_view.width = r_waterstate.waterwidth;
+               r_view.height = r_waterstate.waterheight;
+               r_view.useclipplane = true;
+               r_waterstate.renderingscene = true;
+
+               // render the normal view scene and copy into texture
+               // (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)
+               if (p->materialflags & MATERIALFLAG_WATERSHADER)
+               {
+                       r_view.clipplane = p->plane;
+                       VectorNegate(r_view.clipplane.normal, r_view.clipplane.normal);
+                       r_view.clipplane.dist = -r_view.clipplane.dist;
+                       PlaneClassify(&r_view.clipplane);
+
+                       R_RenderScene(false);
+
+                       // copy view into the screen texture
+                       R_Mesh_TexBind(0, R_GetTexture(p->texture_refraction));
+                       GL_ActiveTexture(0);
+                       CHECKGLERROR
+                       qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, r_view.x, vid.height - (r_view.y + r_view.height), r_view.width, r_view.height);CHECKGLERROR
+               }
+
+               if (p->materialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFLECTION))
+               {
+                       // render reflected scene and copy into texture
+                       Matrix4x4_Reflect(&r_view.matrix, p->plane.normal[0], p->plane.normal[1], p->plane.normal[2], p->plane.dist, -2);
+                       r_view.clipplane = p->plane;
+                       // reverse the cullface settings for this render
+                       r_view.cullface_front = GL_FRONT;
+                       r_view.cullface_back = GL_BACK;
+                       if (r_refdef.worldmodel && r_refdef.worldmodel->brush.num_pvsclusterbytes)
+                       {
+                               r_view.usecustompvs = true;
+                               if (p->pvsvalid)
+                                       memcpy(r_viewcache.world_pvsbits, p->pvsbits, r_refdef.worldmodel->brush.num_pvsclusterbytes);
+                               else
+                                       memset(r_viewcache.world_pvsbits, 0xFF, r_refdef.worldmodel->brush.num_pvsclusterbytes);
+                       }
+
+                       R_ResetViewRendering3D();
+                       R_ClearScreen();
+
+                       R_RenderScene(false);
+
+                       R_Mesh_TexBind(0, R_GetTexture(p->texture_reflection));
+                       GL_ActiveTexture(0);
+                       CHECKGLERROR
+                       qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, r_view.x, vid.height - (r_view.y + r_view.height), r_view.width, r_view.height);CHECKGLERROR
+
+                       R_ResetViewRendering3D();
+                       R_ClearScreen();
+               }
+
+               r_view = originalview;
+               r_waterstate.renderingscene = false;
+       }
+       return;
+error:
+       r_view = originalview;
+       r_waterstate.renderingscene = false;
+       Cvar_SetValueQuick(&r_glsl_water, 0);
+       Con_Printf("R_Water_ProcessPlanes: Error: texture creation failed!  Turned off r_glsl_water.\n");
+       return;
+}
 
 void R_Bloom_StartFrame(void)
 {
@@ -2248,7 +2817,7 @@ void R_Bloom_MakeTexture(void)
        CHECKGLERROR
        qglViewport(r_view.x, vid.height - (r_view.y + r_bloomstate.bloomheight), r_bloomstate.bloomwidth, r_bloomstate.bloomheight);CHECKGLERROR
 
-       for (x = 1;x < r_bloom_colorexponent.value;)
+       for (x = 1;x < min(r_bloom_colorexponent.value, 32);)
        {
                x *= 2;
                r = bound(0, r_bloom_colorexponent.value / x, 1);
@@ -2354,10 +2923,13 @@ void R_HDR_RenderBloomTexture(void)
        // TODO: add exposure compensation features
        // TODO: add fp16 framebuffer support
 
+       r_view.showdebug = false;
        r_view.colorscale = r_bloom_colorscale.value * r_hdr_scenebrightness.value;
        if (r_hdr.integer)
                r_view.colorscale /= r_hdr_range.value;
-       R_RenderScene();
+       r_waterstate.numwaterplanes = 0;
+       R_RenderScene(r_waterstate.enabled);
+       r_view.showdebug = true;
 
        R_ResetViewRendering2D();
 
@@ -2440,7 +3012,7 @@ static void R_BlendView(void)
        }
 }
 
-void R_RenderScene(void);
+void R_RenderScene(qboolean addwaterplanes);
 
 matrix4x4_t r_waterscrollmatrix;
 
@@ -2453,15 +3025,17 @@ void R_UpdateVariables(void)
                r_refdef.farclip += VectorDistance(r_refdef.worldmodel->normalmins, r_refdef.worldmodel->normalmaxs);
        r_refdef.nearclip = bound (0.001f, r_nearclip.value, r_refdef.farclip - 1.0f);
 
+       if (r_shadow_frontsidecasting.integer < 0 || r_shadow_frontsidecasting.integer > 1)
+               Cvar_SetValueQuick(&r_shadow_frontsidecasting, 1);
        r_refdef.polygonfactor = 0;
        r_refdef.polygonoffset = 0;
-       r_refdef.shadowpolygonfactor = r_refdef.polygonfactor + r_shadow_shadow_polygonfactor.value;
-       r_refdef.shadowpolygonoffset = r_refdef.polygonoffset + r_shadow_shadow_polygonoffset.value;
+       r_refdef.shadowpolygonfactor = r_refdef.polygonfactor + r_shadow_polygonfactor.value * (r_shadow_frontsidecasting.integer ? 1 : -1);
+       r_refdef.shadowpolygonoffset = r_refdef.polygonoffset + r_shadow_polygonoffset.value * (r_shadow_frontsidecasting.integer ? 1 : -1);
 
        r_refdef.rtworld = r_shadow_realtime_world.integer;
        r_refdef.rtworldshadows = r_shadow_realtime_world_shadows.integer && gl_stencil;
        r_refdef.rtdlight = (r_shadow_realtime_world.integer || r_shadow_realtime_dlight.integer) && !gl_flashblend.integer && r_dynamic.integer;
-       r_refdef.rtdlightshadows = r_refdef.rtdlight && (r_refdef.rtworld ? r_shadow_realtime_world_dlightshadows.integer : r_shadow_realtime_dlight_shadows.integer) && gl_stencil;
+       r_refdef.rtdlightshadows = r_refdef.rtdlight && r_shadow_realtime_dlight_shadows.integer && gl_stencil;
        r_refdef.lightmapintensity = r_refdef.rtworld ? r_shadow_realtime_world_lightmaps.value : 1;
        if (r_showsurfaces.integer)
        {
@@ -2524,28 +3098,28 @@ void R_RenderView(void)
 
        R_Shadow_UpdateWorldLightSelection();
 
+       R_Bloom_StartFrame();
+       R_Water_StartFrame();
+
        CHECKGLERROR
        if (r_timereport_active)
                R_TimeReport("setup");
 
-       R_View_Update();
-       if (r_timereport_active)
-               R_TimeReport("visibility");
-
        R_ResetViewRendering3D();
 
        R_ClearScreen();
        if (r_timereport_active)
                R_TimeReport("clear");
 
-       R_Bloom_StartFrame();
+       r_view.showdebug = true;
 
        // this produces a bloom texture to be used in R_BlendView() later
        if (r_hdr.integer)
                R_HDR_RenderBloomTexture();
 
        r_view.colorscale = r_hdr_scenebrightness.value;
-       R_RenderScene();
+       r_waterstate.numwaterplanes = 0;
+       R_RenderScene(r_waterstate.enabled);
 
        R_BlendView();
        if (r_timereport_active)
@@ -2562,18 +3136,50 @@ extern void R_DrawPortals (void);
 extern cvar_t cl_locs_show;
 static void R_DrawLocs(void);
 static void R_DrawEntityBBoxes(void);
-void R_RenderScene(void)
+void R_RenderScene(qboolean addwaterplanes)
 {
+       if (addwaterplanes)
+       {
+               R_ResetViewRendering3D();
+
+               R_View_Update();
+               if (r_timereport_active)
+                       R_TimeReport("watervisibility");
+
+               if (cl.csqc_vidvars.drawworld && r_refdef.worldmodel && r_refdef.worldmodel->DrawAddWaterPlanes)
+               {
+                       r_refdef.worldmodel->DrawAddWaterPlanes(r_refdef.worldentity);
+                       if (r_timereport_active)
+                               R_TimeReport("waterworld");
+               }
+
+               // don't let sound skip if going slow
+               if (r_refdef.extraupdate)
+                       S_ExtraUpdate ();
+
+               R_DrawModelsAddWaterPlanes();
+               if (r_timereport_active)
+                       R_TimeReport("watermodels");
+
+               R_Water_ProcessPlanes();
+               if (r_timereport_active)
+                       R_TimeReport("waterscenes");
+       }
+
+       R_ResetViewRendering3D();
+
        // don't let sound skip if going slow
        if (r_refdef.extraupdate)
                S_ExtraUpdate ();
 
-       R_ResetViewRendering3D();
-
        R_MeshQueue_BeginScene();
 
        R_SkyStartFrame();
 
+       R_View_Update();
+       if (r_timereport_active)
+               R_TimeReport("visibility");
+
        Matrix4x4_CreateTranslate(&r_waterscrollmatrix, sin(r_refdef.time) * 0.025 * r_waterscroll.value, sin(r_refdef.time * 0.8f) * 0.025 * r_waterscroll.value, 0);
 
        if (cl.csqc_vidvars.drawworld)
@@ -2665,25 +3271,28 @@ void R_RenderScene(void)
        }
        VM_CL_AddPolygonsToMeshQueue();
 
-       if (cl_locs_show.integer)
+       if (r_view.showdebug)
        {
-               R_DrawLocs();
-               if (r_timereport_active)
-                       R_TimeReport("showlocs");
-       }
+               if (cl_locs_show.integer)
+               {
+                       R_DrawLocs();
+                       if (r_timereport_active)
+                               R_TimeReport("showlocs");
+               }
 
-       if (r_drawportals.integer)
-       {
-               R_DrawPortals();
-               if (r_timereport_active)
-                       R_TimeReport("portals");
-       }
+               if (r_drawportals.integer)
+               {
+                       R_DrawPortals();
+                       if (r_timereport_active)
+                               R_TimeReport("portals");
+               }
 
-       if (r_showbboxes.value > 0)
-       {
-               R_DrawEntityBBoxes();
-               if (r_timereport_active)
-                       R_TimeReport("bboxes");
+               if (r_showbboxes.value > 0)
+               {
+                       R_DrawEntityBBoxes();
+                       if (r_timereport_active)
+                               R_TimeReport("bboxes");
+               }
        }
 
        if (gl_support_fragment_shader)
@@ -2699,6 +3308,21 @@ void R_RenderScene(void)
                qglUseProgramObjectARB(0);CHECKGLERROR
        }
 
+       if (r_view.showdebug && r_refdef.worldmodel && r_refdef.worldmodel->DrawDebug && (r_showtris.value > 0 || r_shownormals.value > 0 || r_showcollisionbrushes.value > 0))
+       {
+               r_refdef.worldmodel->DrawDebug(r_refdef.worldentity);
+               if (r_timereport_active)
+                       R_TimeReport("worlddebug");
+               R_DrawModelsDebug();
+               if (r_timereport_active)
+                       R_TimeReport("modeldebug");
+       }
+
+       if (gl_support_fragment_shader)
+       {
+               qglUseProgramObjectARB(0);CHECKGLERROR
+       }
+
        if (cl.csqc_vidvars.drawworld)
        {
                R_DrawCoronas();
@@ -2730,6 +3354,7 @@ void R_DrawBBoxMesh(vec3_t mins, vec3_t maxs, float cr, float cg, float cb, floa
        GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
        GL_DepthMask(false);
        GL_DepthRange(0, 1);
+       GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
        R_Mesh_Matrix(&identitymatrix);
        R_Mesh_ResetTextureState();
 
@@ -2783,7 +3408,7 @@ static void R_DrawEntityBBoxes_Callback(const entity_render_t *ent, const rtligh
                color[3] *= r_showbboxes.value;
                color[3] = bound(0, color[3], 1);
                GL_DepthTest(!r_showdisabledepthtest.integer);
-               GL_CullFace(GL_BACK);
+               GL_CullFace(r_view.cullface_front);
                R_DrawBBoxMesh(edict->priv.server->areamins, edict->priv.server->areamaxs, color[0], color[1], color[2], color[3]);
        }
        SV_VM_End();
@@ -2866,8 +3491,9 @@ void R_DrawNoModel_TransparentCallback(const entity_render_t *ent, const rtlight
                GL_DepthMask(true);
        }
        GL_DepthRange(0, (ent->flags & RENDER_VIEWMODEL) ? 0.0625 : 1);
+       GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
        GL_DepthTest(!(ent->effects & EF_NODEPTHTEST));
-       GL_CullFace((ent->effects & EF_DOUBLESIDED) ? GL_NONE : GL_FRONT); // quake is backwards, this culls back faces
+       GL_CullFace((ent->effects & EF_DOUBLESIDED) ? GL_NONE : r_view.cullface_back);
        R_Mesh_VertexPointer(nomodelvertex3f, 0, 0);
        if (r_refdef.fogenabled)
        {
@@ -2903,7 +3529,7 @@ void R_DrawNoModel(entity_render_t *ent)
        vec3_t org;
        Matrix4x4_OriginFromMatrix(&ent->matrix, org);
        //if ((ent->effects & EF_ADDITIVE) || (ent->alpha < 1))
-               R_MeshQueue_AddTransparent(ent->effects & EF_NODEPTHTEST ? r_view.origin : org, R_DrawNoModel_TransparentCallback, ent, 0, r_shadow_rtlight);
+               R_MeshQueue_AddTransparent(ent->effects & EF_NODEPTHTEST ? r_view.origin : org, R_DrawNoModel_TransparentCallback, ent, 0, rsurface.rtlight);
        //else
        //      R_DrawNoModelCallback(ent, 0);
 }
@@ -2950,8 +3576,19 @@ void R_DrawSprite(int blendfunc1, int blendfunc2, rtexture_t *texture, rtexture_
 
        R_Mesh_Matrix(&identitymatrix);
        GL_BlendFunc(blendfunc1, blendfunc2);
+
+       if(v_flipped_state)
+       {
+               scalex1 = -scalex1;
+               scalex2 = -scalex2;
+               GL_CullFace(r_view.cullface_front);
+       }
+       else
+               GL_CullFace(r_view.cullface_back);
+
        GL_DepthMask(false);
        GL_DepthRange(0, depthshort ? 0.0625 : 1);
+       GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
        GL_DepthTest(!depthdisable);
 
        vertex3f[ 0] = origin[0] + left[0] * scalex2 + up[0] * scaley1;
@@ -3084,30 +3721,6 @@ void R_Mesh_AddBrushMeshFromPlanes(rmesh_t *mesh, int numplanes, mplane_t *plane
        }
 }
 
-static void R_DrawCollisionBrush(const colbrushf_t *brush)
-{
-       int i;
-       R_Mesh_VertexPointer(brush->points->v, 0, 0);
-       i = (int)(((size_t)brush) / sizeof(colbrushf_t));
-       GL_Color((i & 31) * (1.0f / 32.0f) * r_view.colorscale, ((i >> 5) & 31) * (1.0f / 32.0f) * r_view.colorscale, ((i >> 10) & 31) * (1.0f / 32.0f) * r_view.colorscale, 0.2f);
-       GL_LockArrays(0, brush->numpoints);
-       R_Mesh_Draw(0, brush->numpoints, brush->numtriangles, brush->elements, 0, 0);
-       GL_LockArrays(0, 0);
-}
-
-static void R_DrawCollisionSurface(const entity_render_t *ent, const msurface_t *surface)
-{
-       int i;
-       if (!surface->num_collisiontriangles)
-               return;
-       R_Mesh_VertexPointer(surface->data_collisionvertex3f, 0, 0);
-       i = (int)(((size_t)surface) / sizeof(msurface_t));
-       GL_Color((i & 31) * (1.0f / 32.0f) * r_view.colorscale, ((i >> 5) & 31) * (1.0f / 32.0f) * r_view.colorscale, ((i >> 10) & 31) * (1.0f / 32.0f) * r_view.colorscale, 0.2f);
-       GL_LockArrays(0, surface->num_collisionvertices);
-       R_Mesh_Draw(0, surface->num_collisionvertices, surface->num_collisiontriangles, surface->data_collisionelement3i, 0, 0);
-       GL_LockArrays(0, 0);
-}
-
 static void R_Texture_AddLayer(texture_t *t, qboolean depthmask, int blendfunc1, int blendfunc2, texturelayertype_t type, rtexture_t *texture, const matrix4x4_t *matrix, float r, float g, float b, float a)
 {
        texturelayer_t *layer;
@@ -3124,10 +3737,46 @@ static void R_Texture_AddLayer(texture_t *t, qboolean depthmask, int blendfunc1,
        layer->color[3] = a;
 }
 
+static float R_EvaluateQ3WaveFunc(q3wavefunc_t func, const float *parms)
+{
+       double index, f;
+       index = parms[2] + r_refdef.time * parms[3];
+       index -= floor(index);
+       switch (func)
+       {
+       default:
+       case Q3WAVEFUNC_NONE:
+       case Q3WAVEFUNC_NOISE:
+       case Q3WAVEFUNC_COUNT:
+               f = 0;
+               break;
+       case Q3WAVEFUNC_SIN: f = sin(index * M_PI * 2);break;
+       case Q3WAVEFUNC_SQUARE: f = index < 0.5 ? 1 : -1;break;
+       case Q3WAVEFUNC_SAWTOOTH: f = index;break;
+       case Q3WAVEFUNC_INVERSESAWTOOTH: f = 1 - index;break;
+       case Q3WAVEFUNC_TRIANGLE:
+               index *= 4;
+               f = index - floor(index);
+               if (index < 1)
+                       f = f;
+               else if (index < 2)
+                       f = 1 - f;
+               else if (index < 3)
+                       f = -f;
+               else
+                       f = -(1 - f);
+               break;
+       }
+       return (float)(parms[0] + parms[1] * f);
+}
+
 void R_UpdateTextureInfo(const entity_render_t *ent, texture_t *t)
 {
        int i;
        model_t *model = ent->model;
+       float f;
+       float tcmat[12];
+       q3shaderinfo_layer_tcmod_t *tcmod;
 
        // switch to an alternate material if this is a q1bsp animated material
        {
@@ -3148,7 +3797,7 @@ void R_UpdateTextureInfo(const entity_render_t *ent, texture_t *t)
                {
                        // use an alternate animation if the entity's frame is not 0,
                        // and only if the texture has an alternate animation
-                       if (ent->frame != 0 && t->anim_total[1])
+                       if (ent->frame2 != 0 && t->anim_total[1])
                                t = t->anim_frames[1][(t->anim_total[1] >= 2) ? ((int)(r_refdef.time * 5.0f) % t->anim_total[1]) : 0];
                        else
                                t = t->anim_frames[0][(t->anim_total[0] >= 2) ? ((int)(r_refdef.time * 5.0f) % t->anim_total[0]) : 0];
@@ -3163,7 +3812,7 @@ void R_UpdateTextureInfo(const entity_render_t *ent, texture_t *t)
                {
                        strlcpy(r_qwskincache[i], cl.scores[i].qw_skin, sizeof(r_qwskincache[i]));
                        Con_DPrintf("loading skins/%s\n", r_qwskincache[i]);
-                       r_qwskincache_skinframe[i] = R_SkinFrame_LoadExternal(va("skins/%s", r_qwskincache[i]), TEXF_PRECACHE | (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_PICMIP, developer.integer > 0);
+                       r_qwskincache_skinframe[i] = R_SkinFrame_LoadExternal(va("skins/%s", r_qwskincache[i]), TEXF_PRECACHE | (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_PICMIP | TEXF_COMPRESS, developer.integer > 0);
                }
                t->currentskinframe = r_qwskincache_skinframe[i];
                if (t->currentskinframe == NULL)
@@ -3177,7 +3826,12 @@ void R_UpdateTextureInfo(const entity_render_t *ent, texture_t *t)
        t->currentmaterialflags = t->basematerialflags;
        t->currentalpha = ent->alpha;
        if (t->basematerialflags & MATERIALFLAG_WATERALPHA && (model->brush.supportwateralpha || r_novis.integer))
+       {
                t->currentalpha *= r_wateralpha.value;
+               // if rendering refraction/reflection, disable transparency
+               if (r_waterstate.enabled && (t->currentalpha < 1 || (t->currentmaterialflags & MATERIALFLAG_ALPHA)))
+                       t->currentmaterialflags |= MATERIALFLAG_WATERSHADER;
+       }
        if (!(ent->flags & RENDER_LIGHT))
                t->currentmaterialflags |= MATERIALFLAG_FULLBRIGHT;
        if (ent->effects & EF_ADDITIVE)
@@ -3190,18 +3844,70 @@ void R_UpdateTextureInfo(const entity_render_t *ent, texture_t *t)
                t->currentmaterialflags |= MATERIALFLAG_SHORTDEPTHRANGE;
        if (ent->flags & RENDER_VIEWMODEL)
                t->currentmaterialflags |= MATERIALFLAG_SHORTDEPTHRANGE;
-       if (t->currentmaterialflags & MATERIALFLAG_WATER && r_waterscroll.value != 0)
-               t->currenttexmatrix = r_waterscrollmatrix;
-       else
-               t->currenttexmatrix = identitymatrix;
        if (t->backgroundnumskinframes && !(t->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED))
                t->currentmaterialflags |= MATERIALFLAG_VERTEXTEXTUREBLEND;
+       if (t->currentmaterialflags & MATERIALFLAG_WATERSHADER)
+               t->currentmaterialflags &= ~(MATERIALFLAG_ADD | MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_CUSTOMBLEND);
+
+       for (i = 0, tcmod = t->tcmods;i < Q3MAXTCMODS && (tcmod->tcmod || i < 1);i++, tcmod++)
+       {
+               matrix4x4_t matrix;
+               switch(tcmod->tcmod)
+               {
+               case Q3TCMOD_COUNT:
+               case Q3TCMOD_NONE:
+                       if (t->currentmaterialflags & MATERIALFLAG_WATER && r_waterscroll.value != 0)
+                               matrix = r_waterscrollmatrix;
+                       else
+                               matrix = identitymatrix;
+                       break;
+               case Q3TCMOD_ENTITYTRANSLATE:
+                       // this is used in Q3 to allow the gamecode to control texcoord
+                       // scrolling on the entity, which is not supported in darkplaces yet.
+                       Matrix4x4_CreateTranslate(&matrix, 0, 0, 0);
+                       break;
+               case Q3TCMOD_ROTATE:
+                       Matrix4x4_CreateTranslate(&matrix, 0.5, 0.5, 0);
+                       Matrix4x4_ConcatRotate(&matrix, tcmod->parms[0] * r_refdef.time, 0, 0, 1);
+                       Matrix4x4_ConcatTranslate(&matrix, -0.5, -0.5, 0);
+                       break;
+               case Q3TCMOD_SCALE:
+                       Matrix4x4_CreateScale3(&matrix, tcmod->parms[0], tcmod->parms[1], 1);
+                       break;
+               case Q3TCMOD_SCROLL:
+                       Matrix4x4_CreateTranslate(&matrix, tcmod->parms[0] * r_refdef.time, tcmod->parms[1] * r_refdef.time, 0);
+                       break;
+               case Q3TCMOD_STRETCH:
+                       f = 1.0f / R_EvaluateQ3WaveFunc(tcmod->wavefunc, tcmod->waveparms);
+                       Matrix4x4_CreateFromQuakeEntity(&matrix, 0.5f * (1 - f), 0.5 * (1 - f), 0, 0, 0, 0, f);
+                       break;
+               case Q3TCMOD_TRANSFORM:
+                       VectorSet(tcmat +  0, tcmod->parms[0], tcmod->parms[1], 0);
+                       VectorSet(tcmat +  3, tcmod->parms[2], tcmod->parms[3], 0);
+                       VectorSet(tcmat +  6, 0                   , 0                , 1);
+                       VectorSet(tcmat +  9, tcmod->parms[4], tcmod->parms[5], 0);
+                       Matrix4x4_FromArray12FloatGL(&matrix, tcmat);
+                       break;
+               case Q3TCMOD_TURBULENT:
+                       // this is handled in the RSurf_PrepareVertices function
+                       matrix = identitymatrix;
+                       break;
+               }
+               // either replace or concatenate the transformation
+               if (i < 1)
+                       t->currenttexmatrix = matrix;
+               else
+               {
+                       matrix4x4_t temp = t->currenttexmatrix;
+                       Matrix4x4_Concat(&t->currenttexmatrix, &matrix, &temp);
+               }
+       }
 
        t->colormapping = VectorLength2(ent->colormap_pantscolor) + VectorLength2(ent->colormap_shirtcolor) >= (1.0f / 1048576.0f);
        t->basetexture = (!t->colormapping && t->currentskinframe->merged) ? t->currentskinframe->merged : t->currentskinframe->base;
-       t->glosstexture = r_texture_white;
+       t->glosstexture = r_texture_black;
        t->backgroundbasetexture = t->backgroundnumskinframes ? ((!t->colormapping && t->backgroundcurrentskinframe->merged) ? t->backgroundcurrentskinframe->merged : t->backgroundcurrentskinframe->base) : r_texture_white;
-       t->backgroundglosstexture = r_texture_white;
+       t->backgroundglosstexture = r_texture_black;
        t->specularpower = r_shadow_glossexponent.value;
        // TODO: store reference values for these in the texture?
        t->specularscale = 0;
@@ -3211,21 +3917,44 @@ void R_UpdateTextureInfo(const entity_render_t *ent, texture_t *t)
                {
                        if (r_shadow_glossintensity.value > 0)
                        {
-                               t->glosstexture = t->currentskinframe->gloss ? t->currentskinframe->gloss : r_texture_black;
-                               t->backgroundglosstexture = (t->backgroundcurrentskinframe && t->backgroundcurrentskinframe->gloss) ? t->backgroundcurrentskinframe->gloss : r_texture_black;
+                               t->glosstexture = t->currentskinframe->gloss ? t->currentskinframe->gloss : r_texture_white;
+                               t->backgroundglosstexture = (t->backgroundcurrentskinframe && t->backgroundcurrentskinframe->gloss) ? t->backgroundcurrentskinframe->gloss : r_texture_white;
                                t->specularscale = r_shadow_glossintensity.value;
                        }
                }
                else if (r_shadow_gloss.integer >= 2 && r_shadow_gloss2intensity.value > 0)
+               {
+                       t->glosstexture = r_texture_white;
+                       t->backgroundglosstexture = r_texture_white;
                        t->specularscale = r_shadow_gloss2intensity.value;
+               }
+       }
+
+       // lightmaps mode looks bad with dlights using actual texturing, so turn
+       // off the colormap and glossmap, but leave the normalmap on as it still
+       // accurately represents the shading involved
+       if (gl_lightmaps.integer && !(t->currentmaterialflags & MATERIALFLAG_BLENDED))
+       {
+               t->basetexture = r_texture_white;
+               t->specularscale = 0;
+       }
+
+       t->currentpolygonfactor = r_refdef.polygonfactor + t->basepolygonfactor;
+       t->currentpolygonoffset = r_refdef.polygonoffset + t->basepolygonoffset;
+       // submodels are biased to avoid z-fighting with world surfaces that they
+       // may be exactly overlapping (avoids z-fighting artifacts on certain
+       // doors and things in Quake maps)
+       if (ent->model->brush.submodel)
+       {
+               t->currentpolygonfactor += r_polygonoffset_submodel_factor.value;
+               t->currentpolygonoffset += r_polygonoffset_submodel_offset.value;
        }
 
+       VectorClear(t->dlightcolor);
        t->currentnumlayers = 0;
        if (!(t->currentmaterialflags & MATERIALFLAG_NODRAW))
        {
-               if (gl_lightmaps.integer)
-                       R_Texture_AddLayer(t, true, GL_ONE, GL_ZERO, TEXTURELAYERTYPE_LITTEXTURE, r_texture_white, &identitymatrix, 1, 1, 1, 1);
-               else if (!(t->currentmaterialflags & MATERIALFLAG_SKY))
+               if (!(t->currentmaterialflags & MATERIALFLAG_SKY))
                {
                        int blendfunc1, blendfunc2, depthmask;
                        if (t->currentmaterialflags & MATERIALFLAG_ADD)
@@ -3268,10 +3997,13 @@ void R_UpdateTextureInfo(const entity_render_t *ent, texture_t *t)
                                else
                                {
                                        float colorscale;
+                                       // set the color tint used for lights affecting this surface
+                                       VectorSet(t->dlightcolor, ent->colormod[0] * t->currentalpha, ent->colormod[1] * t->currentalpha, ent->colormod[2] * t->currentalpha);
                                        colorscale = 2;
                                        // q3bsp has no lightmap updates, so the lightstylevalue that
                                        // would normally be baked into the lightmap must be
                                        // applied to the color
+                                       // FIXME: r_glsl 1 rendering doesn't support overbright lightstyles with this (the default light style is not overbright)
                                        if (ent->model->type == mod_brushq3)
                                                colorscale *= r_refdef.lightstylevalue[0] * (1.0f / 256.0f);
                                        colorscale *= r_refdef.lightmapintensity;
@@ -3321,300 +4053,629 @@ void R_UpdateAllTextureInfo(entity_render_t *ent)
                        R_UpdateTextureInfo(ent, ent->model->data_textures + i);
 }
 
-int rsurface_array_size = 0;
-float *rsurface_array_modelvertex3f = NULL;
-float *rsurface_array_modelsvector3f = NULL;
-float *rsurface_array_modeltvector3f = NULL;
-float *rsurface_array_modelnormal3f = NULL;
-float *rsurface_array_deformedvertex3f = NULL;
-float *rsurface_array_deformedsvector3f = NULL;
-float *rsurface_array_deformedtvector3f = NULL;
-float *rsurface_array_deformednormal3f = NULL;
-float *rsurface_array_color4f = NULL;
-float *rsurface_array_texcoord3f = NULL;
+rsurfacestate_t rsurface;
 
 void R_Mesh_ResizeArrays(int newvertices)
 {
        float *base;
-       if (rsurface_array_size >= newvertices)
+       if (rsurface.array_size >= newvertices)
                return;
-       if (rsurface_array_modelvertex3f)
-               Mem_Free(rsurface_array_modelvertex3f);
-       rsurface_array_size = (newvertices + 1023) & ~1023;
-       base = (float *)Mem_Alloc(r_main_mempool, rsurface_array_size * sizeof(float[31]));
-       rsurface_array_modelvertex3f     = base + rsurface_array_size * 0;
-       rsurface_array_modelsvector3f    = base + rsurface_array_size * 3;
-       rsurface_array_modeltvector3f    = base + rsurface_array_size * 6;
-       rsurface_array_modelnormal3f     = base + rsurface_array_size * 9;
-       rsurface_array_deformedvertex3f  = base + rsurface_array_size * 12;
-       rsurface_array_deformedsvector3f = base + rsurface_array_size * 15;
-       rsurface_array_deformedtvector3f = base + rsurface_array_size * 18;
-       rsurface_array_deformednormal3f  = base + rsurface_array_size * 21;
-       rsurface_array_texcoord3f        = base + rsurface_array_size * 24;
-       rsurface_array_color4f           = base + rsurface_array_size * 27;
+       if (rsurface.array_modelvertex3f)
+               Mem_Free(rsurface.array_modelvertex3f);
+       rsurface.array_size = (newvertices + 1023) & ~1023;
+       base = (float *)Mem_Alloc(r_main_mempool, rsurface.array_size * sizeof(float[33]));
+       rsurface.array_modelvertex3f     = base + rsurface.array_size * 0;
+       rsurface.array_modelsvector3f    = base + rsurface.array_size * 3;
+       rsurface.array_modeltvector3f    = base + rsurface.array_size * 6;
+       rsurface.array_modelnormal3f     = base + rsurface.array_size * 9;
+       rsurface.array_deformedvertex3f  = base + rsurface.array_size * 12;
+       rsurface.array_deformedsvector3f = base + rsurface.array_size * 15;
+       rsurface.array_deformedtvector3f = base + rsurface.array_size * 18;
+       rsurface.array_deformednormal3f  = base + rsurface.array_size * 21;
+       rsurface.array_texcoord3f        = base + rsurface.array_size * 24;
+       rsurface.array_color4f           = base + rsurface.array_size * 27;
+       rsurface.array_generatedtexcoordtexture2f = base + rsurface.array_size * 31;
 }
 
-float *rsurface_modelvertex3f;
-int rsurface_modelvertex3f_bufferobject;
-size_t rsurface_modelvertex3f_bufferoffset;
-float *rsurface_modelsvector3f;
-int rsurface_modelsvector3f_bufferobject;
-size_t rsurface_modelsvector3f_bufferoffset;
-float *rsurface_modeltvector3f;
-int rsurface_modeltvector3f_bufferobject;
-size_t rsurface_modeltvector3f_bufferoffset;
-float *rsurface_modelnormal3f;
-int rsurface_modelnormal3f_bufferobject;
-size_t rsurface_modelnormal3f_bufferoffset;
-float *rsurface_vertex3f;
-int rsurface_vertex3f_bufferobject;
-size_t rsurface_vertex3f_bufferoffset;
-float *rsurface_svector3f;
-int rsurface_svector3f_bufferobject;
-size_t rsurface_svector3f_bufferoffset;
-float *rsurface_tvector3f;
-int rsurface_tvector3f_bufferobject;
-size_t rsurface_tvector3f_bufferoffset;
-float *rsurface_normal3f;
-int rsurface_normal3f_bufferobject;
-size_t rsurface_normal3f_bufferoffset;
-float *rsurface_lightmapcolor4f;
-int rsurface_lightmapcolor4f_bufferobject;
-size_t rsurface_lightmapcolor4f_bufferoffset;
-vec3_t rsurface_modelorg;
-qboolean rsurface_generatedvertex;
-const entity_render_t *rsurface_entity;
-const model_t *rsurface_model;
-texture_t *rsurface_texture;
-rtexture_t *rsurface_lightmaptexture;
-rtexture_t *rsurface_deluxemaptexture;
-rsurfmode_t rsurface_mode;
-int rsurface_lightmode; // 0 = lightmap or fullbright, 1 = color array from q3bsp, 2 = vertex shaded model
-
 void RSurf_CleanUp(void)
 {
        CHECKGLERROR
-       if (rsurface_mode == RSURFMODE_GLSL)
+       if (rsurface.mode == RSURFMODE_GLSL)
        {
                qglUseProgramObjectARB(0);CHECKGLERROR
        }
        GL_AlphaTest(false);
-       rsurface_mode = RSURFMODE_NONE;
-       rsurface_lightmaptexture = NULL;
-       rsurface_deluxemaptexture = NULL;
-       rsurface_texture = NULL;
+       rsurface.mode = RSURFMODE_NONE;
+       rsurface.uselightmaptexture = false;
+       rsurface.texture = NULL;
 }
 
 void RSurf_ActiveWorldEntity(void)
 {
+       model_t *model = r_refdef.worldmodel;
        RSurf_CleanUp();
-       rsurface_entity = r_refdef.worldentity;
-       rsurface_model = r_refdef.worldmodel;
-       if (rsurface_array_size < rsurface_model->surfmesh.num_vertices)
-               R_Mesh_ResizeArrays(rsurface_model->surfmesh.num_vertices);
+       if (rsurface.array_size < model->surfmesh.num_vertices)
+               R_Mesh_ResizeArrays(model->surfmesh.num_vertices);
+       rsurface.matrix = identitymatrix;
+       rsurface.inversematrix = identitymatrix;
        R_Mesh_Matrix(&identitymatrix);
-       VectorCopy(r_view.origin, rsurface_modelorg);
-       rsurface_modelvertex3f  = rsurface_model->surfmesh.data_vertex3f;
-       rsurface_modelvertex3f_bufferobject = rsurface_model->surfmesh.vbo;
-       rsurface_modelvertex3f_bufferoffset = rsurface_model->surfmesh.vbooffset_vertex3f;
-       rsurface_modelsvector3f = rsurface_model->surfmesh.data_svector3f;
-       rsurface_modelsvector3f_bufferobject = rsurface_model->surfmesh.vbo;
-       rsurface_modelsvector3f_bufferoffset = rsurface_model->surfmesh.vbooffset_svector3f;
-       rsurface_modeltvector3f = rsurface_model->surfmesh.data_tvector3f;
-       rsurface_modeltvector3f_bufferobject = rsurface_model->surfmesh.vbo;
-       rsurface_modeltvector3f_bufferoffset = rsurface_model->surfmesh.vbooffset_tvector3f;
-       rsurface_modelnormal3f  = rsurface_model->surfmesh.data_normal3f;
-       rsurface_modelnormal3f_bufferobject = rsurface_model->surfmesh.vbo;
-       rsurface_modelnormal3f_bufferoffset = rsurface_model->surfmesh.vbooffset_normal3f;
-       rsurface_generatedvertex = false;
-       rsurface_vertex3f  = rsurface_modelvertex3f;
-       rsurface_vertex3f_bufferobject = rsurface_modelvertex3f_bufferobject;
-       rsurface_vertex3f_bufferoffset = rsurface_modelvertex3f_bufferoffset;
-       rsurface_svector3f = rsurface_modelsvector3f;
-       rsurface_svector3f_bufferobject = rsurface_modelsvector3f_bufferobject;
-       rsurface_svector3f_bufferoffset = rsurface_modelsvector3f_bufferoffset;
-       rsurface_tvector3f = rsurface_modeltvector3f;
-       rsurface_tvector3f_bufferobject = rsurface_modeltvector3f_bufferobject;
-       rsurface_tvector3f_bufferoffset = rsurface_modeltvector3f_bufferoffset;
-       rsurface_normal3f  = rsurface_modelnormal3f;
-       rsurface_normal3f_bufferobject = rsurface_modelnormal3f_bufferobject;
-       rsurface_normal3f_bufferoffset = rsurface_modelnormal3f_bufferoffset;
+       VectorCopy(r_view.origin, rsurface.modelorg);
+       VectorSet(rsurface.modellight_ambient, 0, 0, 0);
+       VectorSet(rsurface.modellight_diffuse, 0, 0, 0);
+       VectorSet(rsurface.modellight_lightdir, 0, 0, 1);
+       VectorSet(rsurface.colormap_pantscolor, 0, 0, 0);
+       VectorSet(rsurface.colormap_shirtcolor, 0, 0, 0);
+       rsurface.frameblend[0].frame = 0;
+       rsurface.frameblend[0].lerp = 1;
+       rsurface.frameblend[1].frame = 0;
+       rsurface.frameblend[1].lerp = 0;
+       rsurface.frameblend[2].frame = 0;
+       rsurface.frameblend[2].lerp = 0;
+       rsurface.frameblend[3].frame = 0;
+       rsurface.frameblend[3].lerp = 0;
+       rsurface.modelvertex3f  = model->surfmesh.data_vertex3f;
+       rsurface.modelvertex3f_bufferobject = model->surfmesh.vbo;
+       rsurface.modelvertex3f_bufferoffset = model->surfmesh.vbooffset_vertex3f;
+       rsurface.modelsvector3f = model->surfmesh.data_svector3f;
+       rsurface.modelsvector3f_bufferobject = model->surfmesh.vbo;
+       rsurface.modelsvector3f_bufferoffset = model->surfmesh.vbooffset_svector3f;
+       rsurface.modeltvector3f = model->surfmesh.data_tvector3f;
+       rsurface.modeltvector3f_bufferobject = model->surfmesh.vbo;
+       rsurface.modeltvector3f_bufferoffset = model->surfmesh.vbooffset_tvector3f;
+       rsurface.modelnormal3f  = model->surfmesh.data_normal3f;
+       rsurface.modelnormal3f_bufferobject = model->surfmesh.vbo;
+       rsurface.modelnormal3f_bufferoffset = model->surfmesh.vbooffset_normal3f;
+       rsurface.modellightmapcolor4f  = model->surfmesh.data_lightmapcolor4f;
+       rsurface.modellightmapcolor4f_bufferobject = model->surfmesh.vbo;
+       rsurface.modellightmapcolor4f_bufferoffset = model->surfmesh.vbooffset_lightmapcolor4f;
+       rsurface.modeltexcoordtexture2f  = model->surfmesh.data_texcoordtexture2f;
+       rsurface.modeltexcoordtexture2f_bufferobject = model->surfmesh.vbo;
+       rsurface.modeltexcoordtexture2f_bufferoffset = model->surfmesh.vbooffset_texcoordtexture2f;
+       rsurface.modeltexcoordlightmap2f  = model->surfmesh.data_texcoordlightmap2f;
+       rsurface.modeltexcoordlightmap2f_bufferobject = model->surfmesh.vbo;
+       rsurface.modeltexcoordlightmap2f_bufferoffset = model->surfmesh.vbooffset_texcoordlightmap2f;
+       rsurface.modelelement3i = model->surfmesh.data_element3i;
+       rsurface.modelelement3i_bufferobject = model->surfmesh.ebo;
+       rsurface.modellightmapoffsets = model->surfmesh.data_lightmapoffsets;
+       rsurface.modelnum_vertices = model->surfmesh.num_vertices;
+       rsurface.modelnum_triangles = model->surfmesh.num_triangles;
+       rsurface.modelsurfaces = model->data_surfaces;
+       rsurface.generatedvertex = false;
+       rsurface.vertex3f  = rsurface.modelvertex3f;
+       rsurface.vertex3f_bufferobject = rsurface.modelvertex3f_bufferobject;
+       rsurface.vertex3f_bufferoffset = rsurface.modelvertex3f_bufferoffset;
+       rsurface.svector3f = rsurface.modelsvector3f;
+       rsurface.svector3f_bufferobject = rsurface.modelsvector3f_bufferobject;
+       rsurface.svector3f_bufferoffset = rsurface.modelsvector3f_bufferoffset;
+       rsurface.tvector3f = rsurface.modeltvector3f;
+       rsurface.tvector3f_bufferobject = rsurface.modeltvector3f_bufferobject;
+       rsurface.tvector3f_bufferoffset = rsurface.modeltvector3f_bufferoffset;
+       rsurface.normal3f  = rsurface.modelnormal3f;
+       rsurface.normal3f_bufferobject = rsurface.modelnormal3f_bufferobject;
+       rsurface.normal3f_bufferoffset = rsurface.modelnormal3f_bufferoffset;
+       rsurface.texcoordtexture2f = rsurface.modeltexcoordtexture2f;
 }
 
 void RSurf_ActiveModelEntity(const entity_render_t *ent, qboolean wantnormals, qboolean wanttangents)
 {
+       model_t *model = ent->model;
        RSurf_CleanUp();
-       rsurface_entity = ent;
-       rsurface_model = ent->model;
-       if (rsurface_array_size < rsurface_model->surfmesh.num_vertices)
-               R_Mesh_ResizeArrays(rsurface_model->surfmesh.num_vertices);
-       R_Mesh_Matrix(&ent->matrix);
-       Matrix4x4_Transform(&ent->inversematrix, r_view.origin, rsurface_modelorg);
-       if (rsurface_model->surfmesh.isanimated && (rsurface_entity->frameblend[0].lerp != 1 || rsurface_entity->frameblend[0].frame != 0))
+       if (rsurface.array_size < model->surfmesh.num_vertices)
+               R_Mesh_ResizeArrays(model->surfmesh.num_vertices);
+       rsurface.matrix = ent->matrix;
+       rsurface.inversematrix = ent->inversematrix;
+       R_Mesh_Matrix(&rsurface.matrix);
+       Matrix4x4_Transform(&rsurface.inversematrix, r_view.origin, rsurface.modelorg);
+       VectorCopy(ent->modellight_ambient, rsurface.modellight_ambient);
+       VectorCopy(ent->modellight_diffuse, rsurface.modellight_diffuse);
+       VectorCopy(ent->modellight_lightdir, rsurface.modellight_lightdir);
+       VectorCopy(ent->colormap_pantscolor, rsurface.colormap_pantscolor);
+       VectorCopy(ent->colormap_shirtcolor, rsurface.colormap_shirtcolor);
+       rsurface.frameblend[0] = ent->frameblend[0];
+       rsurface.frameblend[1] = ent->frameblend[1];
+       rsurface.frameblend[2] = ent->frameblend[2];
+       rsurface.frameblend[3] = ent->frameblend[3];
+       if (model->surfmesh.isanimated && (rsurface.frameblend[0].lerp != 1 || rsurface.frameblend[0].frame != 0))
        {
                if (wanttangents)
                {
-                       rsurface_modelvertex3f = rsurface_array_modelvertex3f;
-                       rsurface_modelsvector3f = rsurface_array_modelsvector3f;
-                       rsurface_modeltvector3f = rsurface_array_modeltvector3f;
-                       rsurface_modelnormal3f = rsurface_array_modelnormal3f;
-                       Mod_Alias_GetMesh_Vertices(rsurface_model, rsurface_entity->frameblend, rsurface_array_modelvertex3f, rsurface_array_modelnormal3f, rsurface_array_modelsvector3f, rsurface_array_modeltvector3f);
+                       rsurface.modelvertex3f = rsurface.array_modelvertex3f;
+                       rsurface.modelsvector3f = rsurface.array_modelsvector3f;
+                       rsurface.modeltvector3f = rsurface.array_modeltvector3f;
+                       rsurface.modelnormal3f = rsurface.array_modelnormal3f;
+                       Mod_Alias_GetMesh_Vertices(model, rsurface.frameblend, rsurface.array_modelvertex3f, rsurface.array_modelnormal3f, rsurface.array_modelsvector3f, rsurface.array_modeltvector3f);
                }
                else if (wantnormals)
                {
-                       rsurface_modelvertex3f = rsurface_array_modelvertex3f;
-                       rsurface_modelsvector3f = NULL;
-                       rsurface_modeltvector3f = NULL;
-                       rsurface_modelnormal3f = rsurface_array_modelnormal3f;
-                       Mod_Alias_GetMesh_Vertices(rsurface_model, rsurface_entity->frameblend, rsurface_array_modelvertex3f, rsurface_array_modelnormal3f, NULL, NULL);
+                       rsurface.modelvertex3f = rsurface.array_modelvertex3f;
+                       rsurface.modelsvector3f = NULL;
+                       rsurface.modeltvector3f = NULL;
+                       rsurface.modelnormal3f = rsurface.array_modelnormal3f;
+                       Mod_Alias_GetMesh_Vertices(model, rsurface.frameblend, rsurface.array_modelvertex3f, rsurface.array_modelnormal3f, NULL, NULL);
                }
                else
                {
-                       rsurface_modelvertex3f = rsurface_array_modelvertex3f;
-                       rsurface_modelsvector3f = NULL;
-                       rsurface_modeltvector3f = NULL;
-                       rsurface_modelnormal3f = NULL;
-                       Mod_Alias_GetMesh_Vertices(rsurface_model, rsurface_entity->frameblend, rsurface_array_modelvertex3f, NULL, NULL, NULL);
+                       rsurface.modelvertex3f = rsurface.array_modelvertex3f;
+                       rsurface.modelsvector3f = NULL;
+                       rsurface.modeltvector3f = NULL;
+                       rsurface.modelnormal3f = NULL;
+                       Mod_Alias_GetMesh_Vertices(model, rsurface.frameblend, rsurface.array_modelvertex3f, NULL, NULL, NULL);
                }
-               rsurface_modelvertex3f_bufferobject = 0;
-               rsurface_modelvertex3f_bufferoffset = 0;
-               rsurface_modelsvector3f_bufferobject = 0;
-               rsurface_modelsvector3f_bufferoffset = 0;
-               rsurface_modeltvector3f_bufferobject = 0;
-               rsurface_modeltvector3f_bufferoffset = 0;
-               rsurface_modelnormal3f_bufferobject = 0;
-               rsurface_modelnormal3f_bufferoffset = 0;
-               rsurface_generatedvertex = true;
+               rsurface.modelvertex3f_bufferobject = 0;
+               rsurface.modelvertex3f_bufferoffset = 0;
+               rsurface.modelsvector3f_bufferobject = 0;
+               rsurface.modelsvector3f_bufferoffset = 0;
+               rsurface.modeltvector3f_bufferobject = 0;
+               rsurface.modeltvector3f_bufferoffset = 0;
+               rsurface.modelnormal3f_bufferobject = 0;
+               rsurface.modelnormal3f_bufferoffset = 0;
+               rsurface.generatedvertex = true;
        }
        else
        {
-               rsurface_modelvertex3f  = rsurface_model->surfmesh.data_vertex3f;
-               rsurface_modelvertex3f_bufferobject = rsurface_model->surfmesh.vbo;
-               rsurface_modelvertex3f_bufferoffset = rsurface_model->surfmesh.vbooffset_vertex3f;
-               rsurface_modelsvector3f = rsurface_model->surfmesh.data_svector3f;
-               rsurface_modelsvector3f_bufferobject = rsurface_model->surfmesh.vbo;
-               rsurface_modelsvector3f_bufferoffset = rsurface_model->surfmesh.vbooffset_svector3f;
-               rsurface_modeltvector3f = rsurface_model->surfmesh.data_tvector3f;
-               rsurface_modeltvector3f_bufferobject = rsurface_model->surfmesh.vbo;
-               rsurface_modeltvector3f_bufferoffset = rsurface_model->surfmesh.vbooffset_tvector3f;
-               rsurface_modelnormal3f  = rsurface_model->surfmesh.data_normal3f;
-               rsurface_modelnormal3f_bufferobject = rsurface_model->surfmesh.vbo;
-               rsurface_modelnormal3f_bufferoffset = rsurface_model->surfmesh.vbooffset_normal3f;
-               rsurface_generatedvertex = false;
-       }
-       rsurface_vertex3f  = rsurface_modelvertex3f;
-       rsurface_vertex3f_bufferobject = rsurface_modelvertex3f_bufferobject;
-       rsurface_vertex3f_bufferoffset = rsurface_modelvertex3f_bufferoffset;
-       rsurface_svector3f = rsurface_modelsvector3f;
-       rsurface_svector3f_bufferobject = rsurface_modelsvector3f_bufferobject;
-       rsurface_svector3f_bufferoffset = rsurface_modelsvector3f_bufferoffset;
-       rsurface_tvector3f = rsurface_modeltvector3f;
-       rsurface_tvector3f_bufferobject = rsurface_modeltvector3f_bufferobject;
-       rsurface_tvector3f_bufferoffset = rsurface_modeltvector3f_bufferoffset;
-       rsurface_normal3f  = rsurface_modelnormal3f;
-       rsurface_normal3f_bufferobject = rsurface_modelnormal3f_bufferobject;
-       rsurface_normal3f_bufferoffset = rsurface_modelnormal3f_bufferoffset;
+               rsurface.modelvertex3f  = model->surfmesh.data_vertex3f;
+               rsurface.modelvertex3f_bufferobject = model->surfmesh.vbo;
+               rsurface.modelvertex3f_bufferoffset = model->surfmesh.vbooffset_vertex3f;
+               rsurface.modelsvector3f = model->surfmesh.data_svector3f;
+               rsurface.modelsvector3f_bufferobject = model->surfmesh.vbo;
+               rsurface.modelsvector3f_bufferoffset = model->surfmesh.vbooffset_svector3f;
+               rsurface.modeltvector3f = model->surfmesh.data_tvector3f;
+               rsurface.modeltvector3f_bufferobject = model->surfmesh.vbo;
+               rsurface.modeltvector3f_bufferoffset = model->surfmesh.vbooffset_tvector3f;
+               rsurface.modelnormal3f  = model->surfmesh.data_normal3f;
+               rsurface.modelnormal3f_bufferobject = model->surfmesh.vbo;
+               rsurface.modelnormal3f_bufferoffset = model->surfmesh.vbooffset_normal3f;
+               rsurface.generatedvertex = false;
+       }
+       rsurface.modellightmapcolor4f  = model->surfmesh.data_lightmapcolor4f;
+       rsurface.modellightmapcolor4f_bufferobject = model->surfmesh.vbo;
+       rsurface.modellightmapcolor4f_bufferoffset = model->surfmesh.vbooffset_lightmapcolor4f;
+       rsurface.modeltexcoordtexture2f  = model->surfmesh.data_texcoordtexture2f;
+       rsurface.modeltexcoordtexture2f_bufferobject = model->surfmesh.vbo;
+       rsurface.modeltexcoordtexture2f_bufferoffset = model->surfmesh.vbooffset_texcoordtexture2f;
+       rsurface.modeltexcoordlightmap2f  = model->surfmesh.data_texcoordlightmap2f;
+       rsurface.modeltexcoordlightmap2f_bufferobject = model->surfmesh.vbo;
+       rsurface.modeltexcoordlightmap2f_bufferoffset = model->surfmesh.vbooffset_texcoordlightmap2f;
+       rsurface.modelelement3i = model->surfmesh.data_element3i;
+       rsurface.modelelement3i_bufferobject = model->surfmesh.ebo;
+       rsurface.modellightmapoffsets = model->surfmesh.data_lightmapoffsets;
+       rsurface.modelnum_vertices = model->surfmesh.num_vertices;
+       rsurface.modelnum_triangles = model->surfmesh.num_triangles;
+       rsurface.modelsurfaces = model->data_surfaces;
+       rsurface.vertex3f  = rsurface.modelvertex3f;
+       rsurface.vertex3f_bufferobject = rsurface.modelvertex3f_bufferobject;
+       rsurface.vertex3f_bufferoffset = rsurface.modelvertex3f_bufferoffset;
+       rsurface.svector3f = rsurface.modelsvector3f;
+       rsurface.svector3f_bufferobject = rsurface.modelsvector3f_bufferobject;
+       rsurface.svector3f_bufferoffset = rsurface.modelsvector3f_bufferoffset;
+       rsurface.tvector3f = rsurface.modeltvector3f;
+       rsurface.tvector3f_bufferobject = rsurface.modeltvector3f_bufferobject;
+       rsurface.tvector3f_bufferoffset = rsurface.modeltvector3f_bufferoffset;
+       rsurface.normal3f  = rsurface.modelnormal3f;
+       rsurface.normal3f_bufferobject = rsurface.modelnormal3f_bufferobject;
+       rsurface.normal3f_bufferoffset = rsurface.modelnormal3f_bufferoffset;
+       rsurface.texcoordtexture2f = rsurface.modeltexcoordtexture2f;
 }
 
+static const int quadedges[6][2] = {{0, 1}, {0, 2}, {0, 3}, {1, 2}, {1, 3}, {2, 3}};
 void RSurf_PrepareVerticesForBatch(qboolean generatenormals, qboolean generatetangents, int texturenumsurfaces, msurface_t **texturesurfacelist)
 {
-       // if vertices are dynamic (animated models), generate them into the temporary rsurface_array_model* arrays and point rsurface_model* at them instead of the static data from the model itself
-       if (rsurface_generatedvertex)
-       {
-               if (rsurface_texture->textureflags & (Q3TEXTUREFLAG_AUTOSPRITE | Q3TEXTUREFLAG_AUTOSPRITE2))
-                       generatetangents = true;
-               if (generatetangents)
+       int deformindex;
+       int texturesurfaceindex;
+       int i, j;
+       float amplitude;
+       float animpos;
+       float scale;
+       const float *v1, *in_tc;
+       float *out_tc;
+       float center[3], forward[3], right[3], up[3], v[3], newforward[3], newright[3], newup[3];
+       float waveparms[4];
+       q3shaderinfo_deform_t *deform;
+       // if vertices are dynamic (animated models), generate them into the temporary rsurface.array_model* arrays and point rsurface.model* at them instead of the static data from the model itself
+       if (rsurface.generatedvertex)
+       {
+               if (rsurface.texture->tcgen.tcgen == Q3TCGEN_ENVIRONMENT)
                        generatenormals = true;
-               if (generatenormals && !rsurface_modelnormal3f)
+               for (i = 0;i < Q3MAXDEFORMS;i++)
+               {
+                       if (rsurface.texture->deforms[i].deform == Q3DEFORM_AUTOSPRITE)
+                       {
+                               generatetangents = true;
+                               generatenormals = true;
+                       }
+                       if (rsurface.texture->deforms[i].deform != Q3DEFORM_NONE)
+                               generatenormals = true;
+               }
+               if (generatenormals && !rsurface.modelnormal3f)
                {
-                       rsurface_normal3f = rsurface_modelnormal3f = rsurface_array_modelnormal3f;
-                       rsurface_normal3f_bufferobject = rsurface_modelnormal3f_bufferobject = 0;
-                       rsurface_normal3f_bufferoffset = rsurface_modelnormal3f_bufferoffset = 0;
-                       Mod_BuildNormals(0, rsurface_model->surfmesh.num_vertices, rsurface_model->surfmesh.num_triangles, rsurface_modelvertex3f, rsurface_model->surfmesh.data_element3i, rsurface_array_modelnormal3f, r_smoothnormals_areaweighting.integer);
+                       rsurface.normal3f = rsurface.modelnormal3f = rsurface.array_modelnormal3f;
+                       rsurface.normal3f_bufferobject = rsurface.modelnormal3f_bufferobject = 0;
+                       rsurface.normal3f_bufferoffset = rsurface.modelnormal3f_bufferoffset = 0;
+                       Mod_BuildNormals(0, rsurface.modelnum_vertices, rsurface.modelnum_triangles, rsurface.modelvertex3f, rsurface.modelelement3i, rsurface.array_modelnormal3f, r_smoothnormals_areaweighting.integer);
                }
-               if (generatetangents && !rsurface_modelsvector3f)
+               if (generatetangents && !rsurface.modelsvector3f)
                {
-                       rsurface_svector3f = rsurface_modelsvector3f = rsurface_array_modelsvector3f;
-                       rsurface_svector3f_bufferobject = rsurface_modelsvector3f_bufferobject = 0;
-                       rsurface_svector3f_bufferoffset = rsurface_modelsvector3f_bufferoffset = 0;
-                       rsurface_tvector3f = rsurface_modeltvector3f = rsurface_array_modeltvector3f;
-                       rsurface_tvector3f_bufferobject = rsurface_modeltvector3f_bufferobject = 0;
-                       rsurface_tvector3f_bufferoffset = rsurface_modeltvector3f_bufferoffset = 0;
-                       Mod_BuildTextureVectorsFromNormals(0, rsurface_model->surfmesh.num_vertices, rsurface_model->surfmesh.num_triangles, rsurface_modelvertex3f, rsurface_model->surfmesh.data_texcoordtexture2f, rsurface_modelnormal3f, rsurface_model->surfmesh.data_element3i, rsurface_array_modelsvector3f, rsurface_array_modeltvector3f, r_smoothnormals_areaweighting.integer);
+                       rsurface.svector3f = rsurface.modelsvector3f = rsurface.array_modelsvector3f;
+                       rsurface.svector3f_bufferobject = rsurface.modelsvector3f_bufferobject = 0;
+                       rsurface.svector3f_bufferoffset = rsurface.modelsvector3f_bufferoffset = 0;
+                       rsurface.tvector3f = rsurface.modeltvector3f = rsurface.array_modeltvector3f;
+                       rsurface.tvector3f_bufferobject = rsurface.modeltvector3f_bufferobject = 0;
+                       rsurface.tvector3f_bufferoffset = rsurface.modeltvector3f_bufferoffset = 0;
+                       Mod_BuildTextureVectorsFromNormals(0, rsurface.modelnum_vertices, rsurface.modelnum_triangles, rsurface.modelvertex3f, rsurface.modeltexcoordtexture2f, rsurface.modelnormal3f, rsurface.modelelement3i, rsurface.array_modelsvector3f, rsurface.array_modeltvector3f, r_smoothnormals_areaweighting.integer);
                }
        }
-       // if vertices are deformed (sprite flares and things in maps, possibly water waves, bulges and other deformations), generate them into rsurface_deform* arrays from whatever the rsurface_model* array pointers point to (may be static model data or generated data for an animated model)
-       if (rsurface_texture->textureflags & (Q3TEXTUREFLAG_AUTOSPRITE | Q3TEXTUREFLAG_AUTOSPRITE2))
-       {
-               int texturesurfaceindex;
-               float center[3], forward[3], right[3], up[3], v[4][3];
-               matrix4x4_t matrix1, imatrix1;
-               Matrix4x4_Transform(&rsurface_entity->inversematrix, r_view.forward, forward);
-               Matrix4x4_Transform(&rsurface_entity->inversematrix, r_view.right, right);
-               Matrix4x4_Transform(&rsurface_entity->inversematrix, r_view.up, up);
-               // make deformed versions of only the model vertices used by the specified surfaces
-               for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+       rsurface.vertex3f  = rsurface.modelvertex3f;
+       rsurface.vertex3f_bufferobject = rsurface.modelvertex3f_bufferobject;
+       rsurface.vertex3f_bufferoffset = rsurface.modelvertex3f_bufferoffset;
+       rsurface.svector3f = rsurface.modelsvector3f;
+       rsurface.svector3f_bufferobject = rsurface.modelsvector3f_bufferobject;
+       rsurface.svector3f_bufferoffset = rsurface.modelsvector3f_bufferoffset;
+       rsurface.tvector3f = rsurface.modeltvector3f;
+       rsurface.tvector3f_bufferobject = rsurface.modeltvector3f_bufferobject;
+       rsurface.tvector3f_bufferoffset = rsurface.modeltvector3f_bufferoffset;
+       rsurface.normal3f  = rsurface.modelnormal3f;
+       rsurface.normal3f_bufferobject = rsurface.modelnormal3f_bufferobject;
+       rsurface.normal3f_bufferoffset = rsurface.modelnormal3f_bufferoffset;
+       // if vertices are deformed (sprite flares and things in maps, possibly
+       // water waves, bulges and other deformations), generate them into
+       // rsurface.deform* arrays from whatever the rsurface.* arrays point to
+       // (may be static model data or generated data for an animated model, or
+       //  the previous deform pass)
+       for (deformindex = 0, deform = rsurface.texture->deforms;deformindex < Q3MAXDEFORMS && deform->deform;deformindex++, deform++)
+       {
+               switch (deform->deform)
                {
-                       int i, j;
-                       const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
-                       // a single autosprite surface can contain multiple sprites...
-                       for (j = 0;j < surface->num_vertices - 3;j += 4)
+               default:
+               case Q3DEFORM_PROJECTIONSHADOW:
+               case Q3DEFORM_TEXT0:
+               case Q3DEFORM_TEXT1:
+               case Q3DEFORM_TEXT2:
+               case Q3DEFORM_TEXT3:
+               case Q3DEFORM_TEXT4:
+               case Q3DEFORM_TEXT5:
+               case Q3DEFORM_TEXT6:
+               case Q3DEFORM_TEXT7:
+               case Q3DEFORM_NONE:
+                       break;
+               case Q3DEFORM_AUTOSPRITE:
+                       Matrix4x4_Transform3x3(&rsurface.inversematrix, r_view.forward, newforward);
+                       Matrix4x4_Transform3x3(&rsurface.inversematrix, r_view.right, newright);
+                       Matrix4x4_Transform3x3(&rsurface.inversematrix, r_view.up, newup);
+                       VectorNormalize(newforward);
+                       VectorNormalize(newright);
+                       VectorNormalize(newup);
+                       // make deformed versions of only the model vertices used by the specified surfaces
+                       for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+                       {
+                               const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
+                               // a single autosprite surface can contain multiple sprites...
+                               for (j = 0;j < surface->num_vertices - 3;j += 4)
+                               {
+                                       VectorClear(center);
+                                       for (i = 0;i < 4;i++)
+                                               VectorAdd(center, (rsurface.vertex3f + 3 * surface->num_firstvertex) + (j+i) * 3, center);
+                                       VectorScale(center, 0.25f, center);
+                                       VectorCopy((rsurface.normal3f  + 3 * surface->num_firstvertex) + j*3, forward);
+                                       VectorCopy((rsurface.svector3f + 3 * surface->num_firstvertex) + j*3, right);
+                                       VectorCopy((rsurface.tvector3f + 3 * surface->num_firstvertex) + j*3, up);
+                                       for (i = 0;i < 4;i++)
+                                       {
+                                               VectorSubtract((rsurface.vertex3f + 3 * surface->num_firstvertex) + (j+i)*3, center, v);
+                                               VectorMAMAMAM(1, center, DotProduct(forward, v), newforward, DotProduct(right, v), newright, DotProduct(up, v), newup, rsurface.array_deformedvertex3f + (surface->num_firstvertex+i+j) * 3);
+                                       }
+                               }
+                               Mod_BuildNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, rsurface.vertex3f, rsurface.modelelement3i + surface->num_firsttriangle * 3, rsurface.array_deformednormal3f, r_smoothnormals_areaweighting.integer);
+                               Mod_BuildTextureVectorsFromNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, rsurface.vertex3f, rsurface.modeltexcoordtexture2f, rsurface.array_deformednormal3f, rsurface.modelelement3i + surface->num_firsttriangle * 3, rsurface.array_deformedsvector3f, rsurface.array_deformedtvector3f, r_smoothnormals_areaweighting.integer);
+                       }
+                       rsurface.vertex3f = rsurface.array_deformedvertex3f;
+                       rsurface.vertex3f_bufferobject = 0;
+                       rsurface.vertex3f_bufferoffset = 0;
+                       rsurface.svector3f = rsurface.array_deformedsvector3f;
+                       rsurface.svector3f_bufferobject = 0;
+                       rsurface.svector3f_bufferoffset = 0;
+                       rsurface.tvector3f = rsurface.array_deformedtvector3f;
+                       rsurface.tvector3f_bufferobject = 0;
+                       rsurface.tvector3f_bufferoffset = 0;
+                       rsurface.normal3f = rsurface.array_deformednormal3f;
+                       rsurface.normal3f_bufferobject = 0;
+                       rsurface.normal3f_bufferoffset = 0;
+                       break;
+               case Q3DEFORM_AUTOSPRITE2:
+                       Matrix4x4_Transform3x3(&rsurface.inversematrix, r_view.forward, newforward);
+                       Matrix4x4_Transform3x3(&rsurface.inversematrix, r_view.right, newright);
+                       Matrix4x4_Transform3x3(&rsurface.inversematrix, r_view.up, newup);
+                       VectorNormalize(newforward);
+                       VectorNormalize(newright);
+                       VectorNormalize(newup);
+                       // make deformed versions of only the model vertices used by the specified surfaces
+                       for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
                        {
-                               VectorClear(center);
-                               for (i = 0;i < 4;i++)
-                                       VectorAdd(center, (rsurface_modelvertex3f + 3 * surface->num_firstvertex) + (j+i) * 3, center);
-                               VectorScale(center, 0.25f, center);
-                               if (rsurface_texture->textureflags & Q3TEXTUREFLAG_AUTOSPRITE2)
+                               const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
+                               const float *v1, *v2;
+                               vec3_t start, end;
+                               float f, l;
+                               struct
+                               {
+                                       float length2;
+                                       const float *v1;
+                                       const float *v2;
+                               }
+                               shortest[2];
+                               memset(shortest, 0, sizeof(shortest));
+                               // a single autosprite surface can contain multiple sprites...
+                               for (j = 0;j < surface->num_vertices - 3;j += 4)
                                {
-                                       forward[0] = rsurface_modelorg[0] - center[0];
-                                       forward[1] = rsurface_modelorg[1] - center[1];
-                                       forward[2] = 0;
+                                       VectorClear(center);
+                                       for (i = 0;i < 4;i++)
+                                               VectorAdd(center, (rsurface.vertex3f + 3 * surface->num_firstvertex) + (j+i) * 3, center);
+                                       VectorScale(center, 0.25f, center);
+                                       // find the two shortest edges, then use them to define the
+                                       // axis vectors for rotating around the central axis
+                                       for (i = 0;i < 6;i++)
+                                       {
+                                               v1 = rsurface.vertex3f + 3 * (surface->num_firstvertex + quadedges[i][0]);
+                                               v2 = rsurface.vertex3f + 3 * (surface->num_firstvertex + quadedges[i][1]);
+#if 0
+                                               Debug_PolygonBegin(NULL, 0, false, 0);
+                                               Debug_PolygonVertex(v1[0], v1[1], v1[2], 0, 0, 1, 0, 0, 1);
+                                               Debug_PolygonVertex((v1[0] + v2[0]) * 0.5f + rsurface.normal3f[3 * (surface->num_firstvertex + j)+0] * 4, (v1[1] + v2[1]) * 0.5f + rsurface.normal3f[3 * (surface->num_firstvertex + j)+1], (v1[2] + v2[2]) * 0.5f + rsurface.normal3f[3 * (surface->num_firstvertex + j)+2], 0, 0, 1, 1, 0, 1);
+                                               Debug_PolygonVertex(v2[0], v2[1], v2[2], 0, 0, 1, 0, 0, 1);
+                                               Debug_PolygonEnd();
+#endif
+                                               l = VectorDistance2(v1, v2);
+                                               // this length bias tries to make sense of square polygons, assuming they are meant to be upright
+                                               if (v1[2] != v2[2])
+                                                       l += (1.0f / 1024.0f);
+                                               if (shortest[0].length2 > l || i == 0)
+                                               {
+                                                       shortest[1] = shortest[0];
+                                                       shortest[0].length2 = l;
+                                                       shortest[0].v1 = v1;
+                                                       shortest[0].v2 = v2;
+                                               }
+                                               else if (shortest[1].length2 > l || i == 1)
+                                               {
+                                                       shortest[1].length2 = l;
+                                                       shortest[1].v1 = v1;
+                                                       shortest[1].v2 = v2;
+                                               }
+                                       }
+                                       VectorLerp(shortest[0].v1, 0.5f, shortest[0].v2, start);
+                                       VectorLerp(shortest[1].v1, 0.5f, shortest[1].v2, end);
+#if 0
+                                       Debug_PolygonBegin(NULL, 0, false, 0);
+                                       Debug_PolygonVertex(start[0], start[1], start[2], 0, 0, 1, 1, 0, 1);
+                                       Debug_PolygonVertex(center[0] + rsurface.normal3f[3 * (surface->num_firstvertex + j)+0] * 4, center[1] + rsurface.normal3f[3 * (surface->num_firstvertex + j)+1] * 4, center[2] + rsurface.normal3f[3 * (surface->num_firstvertex + j)+2] * 4, 0, 0, 0, 1, 0, 1);
+                                       Debug_PolygonVertex(end[0], end[1], end[2], 0, 0, 0, 1, 1, 1);
+                                       Debug_PolygonEnd();
+#endif
+                                       // this calculates the right vector from the shortest edge
+                                       // and the up vector from the edge midpoints
+                                       VectorSubtract(shortest[0].v1, shortest[0].v2, right);
+                                       VectorNormalize(right);
+                                       VectorSubtract(end, start, up);
+                                       VectorNormalize(up);
+                                       // calculate a forward vector to use instead of the original plane normal (this is how we get a new right vector)
+                                       //VectorSubtract(rsurface.modelorg, center, forward);
+                                       Matrix4x4_Transform3x3(&rsurface.inversematrix, r_view.forward, forward);
+                                       VectorNegate(forward, forward);
+                                       VectorReflect(forward, 0, up, forward);
                                        VectorNormalize(forward);
-                                       right[0] = forward[1];
-                                       right[1] = -forward[0];
-                                       right[2] = 0;
-                                       VectorSet(up, 0, 0, 1);
+                                       CrossProduct(up, forward, newright);
+                                       VectorNormalize(newright);
+#if 0
+                                       Debug_PolygonBegin(NULL, 0, false, 0);
+                                       Debug_PolygonVertex(center[0] + rsurface.normal3f[3 * (surface->num_firstvertex + j)+0] * 8, center[1] + rsurface.normal3f[3 * (surface->num_firstvertex + j)+1] * 8, center[2] + rsurface.normal3f[3 * (surface->num_firstvertex + j)+2] * 8, 0, 0, 1, 0, 0, 1);
+                                       Debug_PolygonVertex(center[0] + right[0] * 8, center[1] + right[1] * 8, center[2] + right[2] * 8, 0, 0, 0, 1, 0, 1);
+                                       Debug_PolygonVertex(center[0] + up   [0] * 8, center[1] + up   [1] * 8, center[2] + up   [2] * 8, 0, 0, 0, 0, 1, 1);
+                                       Debug_PolygonEnd();
+#endif
+#if 0
+                                       Debug_PolygonBegin(NULL, 0, false, 0);
+                                       Debug_PolygonVertex(center[0] + forward [0] * 8, center[1] + forward [1] * 8, center[2] + forward [2] * 8, 0, 0, 1, 0, 0, 1);
+                                       Debug_PolygonVertex(center[0] + newright[0] * 8, center[1] + newright[1] * 8, center[2] + newright[2] * 8, 0, 0, 0, 1, 0, 1);
+                                       Debug_PolygonVertex(center[0] + up      [0] * 8, center[1] + up      [1] * 8, center[2] + up      [2] * 8, 0, 0, 0, 0, 1, 1);
+                                       Debug_PolygonEnd();
+#endif
+                                       // rotate the quad around the up axis vector, this is made
+                                       // especially easy by the fact we know the quad is flat,
+                                       // so we only have to subtract the center position and
+                                       // measure distance along the right vector, and then
+                                       // multiply that by the newright vector and add back the
+                                       // center position
+                                       // we also need to subtract the old position to undo the
+                                       // displacement from the center, which we do with a
+                                       // DotProduct, the subtraction/addition of center is also
+                                       // optimized into DotProducts here
+                                       l = DotProduct(right, center);
+                                       for (i = 0;i < 4;i++)
+                                       {
+                                               v1 = rsurface.vertex3f + 3 * (surface->num_firstvertex + j + i);
+                                               f = DotProduct(right, v1) - l;
+                                               VectorMAMAM(1, v1, -f, right, f, newright, rsurface.array_deformedvertex3f + (surface->num_firstvertex+i+j) * 3);
+                                       }
+                               }
+                               Mod_BuildNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, rsurface.vertex3f, rsurface.modelelement3i + surface->num_firsttriangle * 3, rsurface.array_deformednormal3f, r_smoothnormals_areaweighting.integer);
+                               Mod_BuildTextureVectorsFromNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, rsurface.vertex3f, rsurface.modeltexcoordtexture2f, rsurface.array_deformednormal3f, rsurface.modelelement3i + surface->num_firsttriangle * 3, rsurface.array_deformedsvector3f, rsurface.array_deformedtvector3f, r_smoothnormals_areaweighting.integer);
+                       }
+                       rsurface.vertex3f = rsurface.array_deformedvertex3f;
+                       rsurface.vertex3f_bufferobject = 0;
+                       rsurface.vertex3f_bufferoffset = 0;
+                       rsurface.svector3f = rsurface.array_deformedsvector3f;
+                       rsurface.svector3f_bufferobject = 0;
+                       rsurface.svector3f_bufferoffset = 0;
+                       rsurface.tvector3f = rsurface.array_deformedtvector3f;
+                       rsurface.tvector3f_bufferobject = 0;
+                       rsurface.tvector3f_bufferoffset = 0;
+                       rsurface.normal3f = rsurface.array_deformednormal3f;
+                       rsurface.normal3f_bufferobject = 0;
+                       rsurface.normal3f_bufferoffset = 0;
+                       break;
+               case Q3DEFORM_NORMAL:
+                       // deform the normals to make reflections wavey
+                       for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+                       {
+                               const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
+                               for (j = 0;j < surface->num_vertices;j++)
+                               {
+                                       float vertex[3];
+                                       float *normal = (rsurface.array_deformednormal3f  + 3 * surface->num_firstvertex) + j*3;
+                                       VectorScale((rsurface.vertex3f  + 3 * surface->num_firstvertex) + j*3, 0.98f, vertex);
+                                       VectorCopy((rsurface.normal3f  + 3 * surface->num_firstvertex) + j*3, normal);
+                                       normal[0] += deform->parms[0] * noise4f(      vertex[0], vertex[1], vertex[2], r_refdef.time * deform->parms[1]);
+                                       normal[1] += deform->parms[0] * noise4f( 98 + vertex[0], vertex[1], vertex[2], r_refdef.time * deform->parms[1]);
+                                       normal[2] += deform->parms[0] * noise4f(196 + vertex[0], vertex[1], vertex[2], r_refdef.time * deform->parms[1]);
+                                       VectorNormalize(normal);
+                               }
+                               Mod_BuildTextureVectorsFromNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, rsurface.vertex3f, rsurface.modeltexcoordtexture2f, rsurface.array_deformednormal3f, rsurface.modelelement3i + surface->num_firsttriangle * 3, rsurface.array_deformedsvector3f, rsurface.array_deformedtvector3f, r_smoothnormals_areaweighting.integer);
+                       }
+                       rsurface.svector3f = rsurface.array_deformedsvector3f;
+                       rsurface.svector3f_bufferobject = 0;
+                       rsurface.svector3f_bufferoffset = 0;
+                       rsurface.tvector3f = rsurface.array_deformedtvector3f;
+                       rsurface.tvector3f_bufferobject = 0;
+                       rsurface.tvector3f_bufferoffset = 0;
+                       rsurface.normal3f = rsurface.array_deformednormal3f;
+                       rsurface.normal3f_bufferobject = 0;
+                       rsurface.normal3f_bufferoffset = 0;
+                       break;
+               case Q3DEFORM_WAVE:
+                       // deform vertex array to make wavey water and flags and such
+                       waveparms[0] = deform->waveparms[0];
+                       waveparms[1] = deform->waveparms[1];
+                       waveparms[2] = deform->waveparms[2];
+                       waveparms[3] = deform->waveparms[3];
+                       // this is how a divisor of vertex influence on deformation
+                       animpos = deform->parms[0] ? 1.0f / deform->parms[0] : 100.0f;
+                       scale = R_EvaluateQ3WaveFunc(deform->wavefunc, waveparms);
+                       for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+                       {
+                               const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
+                               for (j = 0;j < surface->num_vertices;j++)
+                               {
+                                       float *vertex = (rsurface.array_deformedvertex3f  + 3 * surface->num_firstvertex) + j*3;
+                                       VectorCopy((rsurface.vertex3f  + 3 * surface->num_firstvertex) + j*3, vertex);
+                                       // if the wavefunc depends on time, evaluate it per-vertex
+                                       if (waveparms[3])
+                                       {
+                                               waveparms[2] = deform->waveparms[2] + (vertex[0] + vertex[1] + vertex[2]) * animpos;
+                                               scale = R_EvaluateQ3WaveFunc(deform->wavefunc, waveparms);
+                                       }
+                                       VectorMA(vertex, scale, (rsurface.normal3f  + 3 * surface->num_firstvertex) + j*3, vertex);
                                }
-                               // FIXME: calculate vectors from triangle edges instead of using texture vectors as an easy way out?
-                               Matrix4x4_FromVectors(&matrix1, (rsurface_modelnormal3f + 3 * surface->num_firstvertex) + j*3, (rsurface_modelsvector3f + 3 * surface->num_firstvertex) + j*3, (rsurface_modeltvector3f + 3 * surface->num_firstvertex) + j*3, center);
-                               Matrix4x4_Invert_Simple(&imatrix1, &matrix1);
-                               for (i = 0;i < 4;i++)
-                                       Matrix4x4_Transform(&imatrix1, (rsurface_modelvertex3f + 3 * surface->num_firstvertex) + (j+i)*3, v[i]);
-                               for (i = 0;i < 4;i++)
-                                       VectorMAMAMAM(1, center, v[i][0], forward, v[i][1], right, v[i][2], up, rsurface_array_deformedvertex3f + (surface->num_firstvertex+i+j) * 3);
                        }
-                       Mod_BuildNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, rsurface_modelvertex3f, rsurface_model->surfmesh.data_element3i + surface->num_firsttriangle * 3, rsurface_array_deformednormal3f, r_smoothnormals_areaweighting.integer);
-                       Mod_BuildTextureVectorsFromNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, rsurface_modelvertex3f, rsurface_model->surfmesh.data_texcoordtexture2f, rsurface_array_deformednormal3f, rsurface_model->surfmesh.data_element3i + surface->num_firsttriangle * 3, rsurface_array_deformedsvector3f, rsurface_array_deformedtvector3f, r_smoothnormals_areaweighting.integer);
+                       rsurface.vertex3f = rsurface.array_deformedvertex3f;
+                       rsurface.vertex3f_bufferobject = 0;
+                       rsurface.vertex3f_bufferoffset = 0;
+                       break;
+               case Q3DEFORM_BULGE:
+                       // deform vertex array to make the surface have moving bulges
+                       for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+                       {
+                               const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
+                               for (j = 0;j < surface->num_vertices;j++)
+                               {
+                                       scale = sin((rsurface.modeltexcoordtexture2f[2 * (surface->num_firstvertex + j)] * deform->parms[0] + r_refdef.time * deform->parms[2])) * deform->parms[1];
+                                       VectorMA(rsurface.vertex3f + 3 * (surface->num_firstvertex + j), scale, rsurface.normal3f + 3 * (surface->num_firstvertex + j), rsurface.array_deformedvertex3f + 3 * (surface->num_firstvertex + j));
+                               }
+                       }
+                       rsurface.vertex3f = rsurface.array_deformedvertex3f;
+                       rsurface.vertex3f_bufferobject = 0;
+                       rsurface.vertex3f_bufferoffset = 0;
+                       break;
+               case Q3DEFORM_MOVE:
+                       // deform vertex array
+                       scale = R_EvaluateQ3WaveFunc(deform->wavefunc, deform->waveparms);
+                       VectorScale(deform->parms, scale, waveparms);
+                       for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+                       {
+                               const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
+                               for (j = 0;j < surface->num_vertices;j++)
+                                       VectorAdd(rsurface.vertex3f + 3 * (surface->num_firstvertex + j), waveparms, rsurface.array_deformedvertex3f + 3 * (surface->num_firstvertex + j));
+                       }
+                       rsurface.vertex3f = rsurface.array_deformedvertex3f;
+                       rsurface.vertex3f_bufferobject = 0;
+                       rsurface.vertex3f_bufferoffset = 0;
+                       break;
                }
-               rsurface_vertex3f = rsurface_array_deformedvertex3f;
-               rsurface_vertex3f_bufferobject = 0;
-               rsurface_vertex3f_bufferoffset = 0;
-               rsurface_svector3f = rsurface_array_deformedsvector3f;
-               rsurface_svector3f_bufferobject = 0;
-               rsurface_svector3f_bufferoffset = 0;
-               rsurface_tvector3f = rsurface_array_deformedtvector3f;
-               rsurface_tvector3f_bufferobject = 0;
-               rsurface_tvector3f_bufferoffset = 0;
-               rsurface_normal3f = rsurface_array_deformednormal3f;
-               rsurface_normal3f_bufferobject = 0;
-               rsurface_normal3f_bufferoffset = 0;
        }
-       else
-       {
-               rsurface_vertex3f  = rsurface_modelvertex3f;
-               rsurface_vertex3f_bufferobject = rsurface_modelvertex3f_bufferobject;
-               rsurface_vertex3f_bufferoffset = rsurface_modelvertex3f_bufferoffset;
-               rsurface_svector3f = rsurface_modelsvector3f;
-               rsurface_svector3f_bufferobject = rsurface_modelsvector3f_bufferobject;
-               rsurface_svector3f_bufferoffset = rsurface_modelsvector3f_bufferoffset;
-               rsurface_tvector3f = rsurface_modeltvector3f;
-               rsurface_tvector3f_bufferobject = rsurface_modeltvector3f_bufferobject;
-               rsurface_tvector3f_bufferoffset = rsurface_modeltvector3f_bufferoffset;
-               rsurface_normal3f  = rsurface_modelnormal3f;
-               rsurface_normal3f_bufferobject = rsurface_modelnormal3f_bufferobject;
-               rsurface_normal3f_bufferoffset = rsurface_modelnormal3f_bufferoffset;
-       }
-       R_Mesh_VertexPointer(rsurface_vertex3f, rsurface_vertex3f_bufferobject, rsurface_vertex3f_bufferoffset);
+       // generate texcoords based on the chosen texcoord source
+       switch(rsurface.texture->tcgen.tcgen)
+       {
+       default:
+       case Q3TCGEN_TEXTURE:
+               rsurface.texcoordtexture2f               = rsurface.modeltexcoordtexture2f;
+               rsurface.texcoordtexture2f_bufferobject  = rsurface.modeltexcoordtexture2f_bufferobject;
+               rsurface.texcoordtexture2f_bufferoffset  = rsurface.modeltexcoordtexture2f_bufferoffset;
+               break;
+       case Q3TCGEN_LIGHTMAP:
+               rsurface.texcoordtexture2f               = rsurface.modeltexcoordlightmap2f;
+               rsurface.texcoordtexture2f_bufferobject  = rsurface.modeltexcoordlightmap2f_bufferobject;
+               rsurface.texcoordtexture2f_bufferoffset  = rsurface.modeltexcoordlightmap2f_bufferoffset;
+               break;
+       case Q3TCGEN_VECTOR:
+               for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+               {
+                       const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
+                       for (j = 0, v1 = rsurface.modelvertex3f + 3 * surface->num_firstvertex, out_tc = rsurface.array_generatedtexcoordtexture2f + 2 * surface->num_firstvertex;j < surface->num_vertices;j++, v1 += 3, out_tc += 2)
+                       {
+                               out_tc[0] = DotProduct(v1, rsurface.texture->tcgen.parms);
+                               out_tc[1] = DotProduct(v1, rsurface.texture->tcgen.parms + 3);
+                       }
+               }
+               rsurface.texcoordtexture2f               = rsurface.array_generatedtexcoordtexture2f;
+               rsurface.texcoordtexture2f_bufferobject  = 0;
+               rsurface.texcoordtexture2f_bufferoffset  = 0;
+               break;
+       case Q3TCGEN_ENVIRONMENT:
+               // make environment reflections using a spheremap
+               for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+               {
+                       const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
+                       const float *vertex = rsurface.modelvertex3f + 3 * surface->num_firstvertex;
+                       const float *normal = rsurface.modelnormal3f + 3 * surface->num_firstvertex;
+                       float *out_tc = rsurface.array_generatedtexcoordtexture2f + 2 * surface->num_firstvertex;
+                       for (j = 0;j < surface->num_vertices;j++, vertex += 3, normal += 3, out_tc += 2)
+                       {
+                               float l, d, eyedir[3];
+                               VectorSubtract(rsurface.modelorg, vertex, eyedir);
+                               l = 0.5f / VectorLength(eyedir);
+                               d = DotProduct(normal, eyedir)*2;
+                               out_tc[0] = 0.5f + (normal[1]*d - eyedir[1])*l;
+                               out_tc[1] = 0.5f - (normal[2]*d - eyedir[2])*l;
+                       }
+               }
+               rsurface.texcoordtexture2f               = rsurface.array_generatedtexcoordtexture2f;
+               rsurface.texcoordtexture2f_bufferobject  = 0;
+               rsurface.texcoordtexture2f_bufferoffset  = 0;
+               break;
+       }
+       // the only tcmod that needs software vertex processing is turbulent, so
+       // check for it here and apply the changes if needed
+       // and we only support that as the first one
+       // (handling a mixture of turbulent and other tcmods would be problematic
+       //  without punting it entirely to a software path)
+       if (rsurface.texture->tcmods[0].tcmod == Q3TCMOD_TURBULENT)
+       {
+               amplitude = rsurface.texture->tcmods[0].parms[1];
+               animpos = rsurface.texture->tcmods[0].parms[2] + r_refdef.time * rsurface.texture->tcmods[0].parms[3];
+               for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+               {
+                       const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
+                       for (j = 0, v1 = rsurface.modelvertex3f + 3 * surface->num_firstvertex, in_tc = rsurface.texcoordtexture2f + 2 * surface->num_firstvertex, out_tc = rsurface.array_generatedtexcoordtexture2f + 2 * surface->num_firstvertex;j < surface->num_vertices;j++, v1 += 3, in_tc += 2, out_tc += 2)
+                       {
+                               out_tc[0] = in_tc[0] + amplitude * sin(((v1[0] + v1[2]) * 1.0 / 1024.0f + animpos) * M_PI * 2);
+                               out_tc[1] = in_tc[1] + amplitude * sin(((v1[1]        ) * 1.0 / 1024.0f + animpos) * M_PI * 2);
+                       }
+               }
+               rsurface.texcoordtexture2f               = rsurface.array_generatedtexcoordtexture2f;
+               rsurface.texcoordtexture2f_bufferobject  = 0;
+               rsurface.texcoordtexture2f_bufferoffset  = 0;
+       }
+       rsurface.texcoordlightmap2f              = rsurface.modeltexcoordlightmap2f;
+       rsurface.texcoordlightmap2f_bufferobject = rsurface.modeltexcoordlightmap2f_bufferobject;
+       rsurface.texcoordlightmap2f_bufferoffset = rsurface.modeltexcoordlightmap2f_bufferoffset;
+       R_Mesh_VertexPointer(rsurface.vertex3f, rsurface.vertex3f_bufferobject, rsurface.vertex3f_bufferoffset);
 }
 
 void RSurf_DrawBatch_Simple(int texturenumsurfaces, msurface_t **texturesurfacelist)
@@ -3630,7 +4691,7 @@ void RSurf_DrawBatch_Simple(int texturenumsurfaces, msurface_t **texturesurfacel
        if (texturenumsurfaces == 1)
        {
                GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
-               R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (rsurface_model->surfmesh.data_element3i + 3 * surface->num_firsttriangle), rsurface_model->surfmesh.ebo, (sizeof(int[3]) * surface->num_firsttriangle));
+               R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (rsurface.modelelement3i + 3 * surface->num_firsttriangle), rsurface.modelelement3i_bufferobject, (sizeof(int[3]) * surface->num_firsttriangle));
        }
        else if (r_batchmode.integer == 2)
        {
@@ -3643,10 +4704,10 @@ void RSurf_DrawBatch_Simple(int texturenumsurfaces, msurface_t **texturesurfacel
                        j = i + 1;
                        if (surface->num_triangles > MAXBATCHTRIANGLES)
                        {
-                               R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (rsurface_model->surfmesh.data_element3i + 3 * surface->num_firsttriangle), rsurface_model->surfmesh.ebo, (sizeof(int[3]) * surface->num_firsttriangle));
+                               R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (rsurface.modelelement3i + 3 * surface->num_firsttriangle), rsurface.modelelement3i_bufferobject, (sizeof(int[3]) * surface->num_firsttriangle));
                                continue;
                        }
-                       memcpy(batchelements, rsurface_model->surfmesh.data_element3i + 3 * surface->num_firsttriangle, surface->num_triangles * sizeof(int[3]));
+                       memcpy(batchelements, rsurface.modelelement3i + 3 * surface->num_firsttriangle, surface->num_triangles * sizeof(int[3]));
                        batchtriangles = surface->num_triangles;
                        firstvertex = surface->num_firstvertex;
                        endvertex = surface->num_firstvertex + surface->num_vertices;
@@ -3655,7 +4716,141 @@ void RSurf_DrawBatch_Simple(int texturenumsurfaces, msurface_t **texturesurfacel
                                surface2 = texturesurfacelist[j];
                                if (batchtriangles + surface2->num_triangles > MAXBATCHTRIANGLES)
                                        break;
-                               memcpy(batchelements + batchtriangles * 3, rsurface_model->surfmesh.data_element3i + 3 * surface2->num_firsttriangle, surface2->num_triangles * sizeof(int[3]));
+                               memcpy(batchelements + batchtriangles * 3, rsurface.modelelement3i + 3 * surface2->num_firsttriangle, surface2->num_triangles * sizeof(int[3]));
+                               batchtriangles += surface2->num_triangles;
+                               firstvertex = min(firstvertex, surface2->num_firstvertex);
+                               endvertex = max(endvertex, surface2->num_firstvertex + surface2->num_vertices);
+                       }
+                       surface2 = texturesurfacelist[j-1];
+                       numvertices = endvertex - firstvertex;
+                       R_Mesh_Draw(firstvertex, numvertices, batchtriangles, batchelements, 0, 0);
+               }
+       }
+       else if (r_batchmode.integer == 1)
+       {
+               for (i = 0;i < texturenumsurfaces;i = j)
+               {
+                       surface = texturesurfacelist[i];
+                       for (j = i + 1, surface2 = surface + 1;j < texturenumsurfaces;j++, surface2++)
+                               if (texturesurfacelist[j] != surface2)
+                                       break;
+                       surface2 = texturesurfacelist[j-1];
+                       numvertices = surface2->num_firstvertex + surface2->num_vertices - surface->num_firstvertex;
+                       numtriangles = surface2->num_firsttriangle + surface2->num_triangles - surface->num_firsttriangle;
+                       GL_LockArrays(surface->num_firstvertex, numvertices);
+                       R_Mesh_Draw(surface->num_firstvertex, numvertices, numtriangles, (rsurface.modelelement3i + 3 * surface->num_firsttriangle), rsurface.modelelement3i_bufferobject, (sizeof(int[3]) * surface->num_firsttriangle));
+               }
+       }
+       else
+       {
+               for (i = 0;i < texturenumsurfaces;i++)
+               {
+                       surface = texturesurfacelist[i];
+                       GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
+                       R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (rsurface.modelelement3i + 3 * surface->num_firsttriangle), rsurface.modelelement3i_bufferobject, (sizeof(int[3]) * surface->num_firsttriangle));
+               }
+       }
+}
+
+static void RSurf_DrawBatch_WithLightmapSwitching_WithWaterTextureSwitching(int texturenumsurfaces, msurface_t **texturesurfacelist, int lightmaptexunit, int deluxemaptexunit, int refractiontexunit, int reflectiontexunit)
+{
+       int i, planeindex, vertexindex;
+       float d, bestd;
+       vec3_t vert;
+       const float *v;
+       r_waterstate_waterplane_t *p, *bestp;
+       msurface_t *surface;
+       if (r_waterstate.renderingscene)
+               return;
+       for (i = 0;i < texturenumsurfaces;i++)
+       {
+               surface = texturesurfacelist[i];
+               if (lightmaptexunit >= 0)
+                       R_Mesh_TexBind(lightmaptexunit, R_GetTexture(surface->lightmaptexture));
+               if (deluxemaptexunit >= 0)
+                       R_Mesh_TexBind(deluxemaptexunit, R_GetTexture(surface->deluxemaptexture));
+               // pick the closest matching water plane
+               bestd = 0;
+               bestp = NULL;
+               for (planeindex = 0, p = r_waterstate.waterplanes;planeindex < r_waterstate.numwaterplanes;planeindex++, p++)
+               {
+                       d = 0;
+                       for (vertexindex = 0, v = rsurface.modelvertex3f + surface->num_firstvertex * 3;vertexindex < surface->num_vertices;vertexindex++, v += 3)
+                       {
+                               Matrix4x4_Transform(&rsurface.matrix, v, vert);
+                               d += fabs(PlaneDiff(vert, &p->plane));
+                       }
+                       if (bestd > d || !bestp)
+                       {
+                               bestd = d;
+                               bestp = p;
+                       }
+               }
+               if (bestp)
+               {
+                       if (refractiontexunit >= 0)
+                               R_Mesh_TexBind(refractiontexunit, R_GetTexture(bestp->texture_refraction));
+                       if (reflectiontexunit >= 0)
+                               R_Mesh_TexBind(reflectiontexunit, R_GetTexture(bestp->texture_reflection));
+               }
+               else
+               {
+                       if (refractiontexunit >= 0)
+                               R_Mesh_TexBind(refractiontexunit, R_GetTexture(r_texture_black));
+                       if (reflectiontexunit >= 0)
+                               R_Mesh_TexBind(reflectiontexunit, R_GetTexture(r_texture_black));
+               }
+               GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
+               R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (rsurface.modelelement3i + 3 * surface->num_firsttriangle), rsurface.modelelement3i_bufferobject, (sizeof(int[3]) * surface->num_firsttriangle));
+       }
+}
+
+static void RSurf_DrawBatch_WithLightmapSwitching(int texturenumsurfaces, msurface_t **texturesurfacelist, int lightmaptexunit, int deluxemaptexunit)
+{
+       int i;
+       int j;
+       const msurface_t *surface = texturesurfacelist[0];
+       const msurface_t *surface2;
+       int firstvertex;
+       int endvertex;
+       int numvertices;
+       int numtriangles;
+       // TODO: lock all array ranges before render, rather than on each surface
+       if (texturenumsurfaces == 1)
+       {
+               R_Mesh_TexBind(lightmaptexunit, R_GetTexture(surface->lightmaptexture));
+               if (deluxemaptexunit >= 0)
+                       R_Mesh_TexBind(deluxemaptexunit, R_GetTexture(surface->deluxemaptexture));
+               GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
+               R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (rsurface.modelelement3i + 3 * surface->num_firsttriangle), rsurface.modelelement3i_bufferobject, (sizeof(int[3]) * surface->num_firsttriangle));
+       }
+       else if (r_batchmode.integer == 2)
+       {
+               #define MAXBATCHTRIANGLES 4096
+               int batchtriangles = 0;
+               int batchelements[MAXBATCHTRIANGLES*3];
+               for (i = 0;i < texturenumsurfaces;i = j)
+               {
+                       surface = texturesurfacelist[i];
+                       R_Mesh_TexBind(lightmaptexunit, R_GetTexture(surface->lightmaptexture));
+                       if (deluxemaptexunit >= 0)
+                               R_Mesh_TexBind(deluxemaptexunit, R_GetTexture(surface->deluxemaptexture));
+                       j = i + 1;
+                       if (surface->num_triangles > MAXBATCHTRIANGLES)
+                       {
+                               R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (rsurface.modelelement3i + 3 * surface->num_firsttriangle), rsurface.modelelement3i_bufferobject, (sizeof(int[3]) * surface->num_firsttriangle));
+                               continue;
+                       }
+                       memcpy(batchelements, rsurface.modelelement3i + 3 * surface->num_firsttriangle, surface->num_triangles * sizeof(int[3]));
+                       batchtriangles = surface->num_triangles;
+                       firstvertex = surface->num_firstvertex;
+                       endvertex = surface->num_firstvertex + surface->num_vertices;
+                       for (;j < texturenumsurfaces;j++)
+                       {
+                               surface2 = texturesurfacelist[j];
+                               if (surface2->lightmaptexture != surface->lightmaptexture || batchtriangles + surface2->num_triangles > MAXBATCHTRIANGLES)
+                                       break;
+                               memcpy(batchelements + batchtriangles * 3, rsurface.modelelement3i + 3 * surface2->num_firsttriangle, surface2->num_triangles * sizeof(int[3]));
                                batchtriangles += surface2->num_triangles;
                                firstvertex = min(firstvertex, surface2->num_firstvertex);
                                endvertex = max(endvertex, surface2->num_firstvertex + surface2->num_vertices);
@@ -3667,26 +4862,51 @@ void RSurf_DrawBatch_Simple(int texturenumsurfaces, msurface_t **texturesurfacel
        }
        else if (r_batchmode.integer == 1)
        {
+#if 0
+               Con_Printf("%s batch sizes ignoring lightmap:", rsurface.texture->name);
                for (i = 0;i < texturenumsurfaces;i = j)
                {
                        surface = texturesurfacelist[i];
                        for (j = i + 1, surface2 = surface + 1;j < texturenumsurfaces;j++, surface2++)
                                if (texturesurfacelist[j] != surface2)
                                        break;
+                       Con_Printf(" %i", j - i);
+               }
+               Con_Printf("\n");
+               Con_Printf("%s batch sizes honoring lightmap:", rsurface.texture->name);
+#endif
+               for (i = 0;i < texturenumsurfaces;i = j)
+               {
+                       surface = texturesurfacelist[i];
+                       R_Mesh_TexBind(lightmaptexunit, R_GetTexture(surface->lightmaptexture));
+                       if (deluxemaptexunit >= 0)
+                               R_Mesh_TexBind(deluxemaptexunit, R_GetTexture(surface->deluxemaptexture));
+                       for (j = i + 1, surface2 = surface + 1;j < texturenumsurfaces;j++, surface2++)
+                               if (texturesurfacelist[j] != surface2 || texturesurfacelist[j]->lightmaptexture != surface->lightmaptexture)
+                                       break;
+#if 0
+                       Con_Printf(" %i", j - i);
+#endif
                        surface2 = texturesurfacelist[j-1];
                        numvertices = surface2->num_firstvertex + surface2->num_vertices - surface->num_firstvertex;
                        numtriangles = surface2->num_firsttriangle + surface2->num_triangles - surface->num_firsttriangle;
                        GL_LockArrays(surface->num_firstvertex, numvertices);
-                       R_Mesh_Draw(surface->num_firstvertex, numvertices, numtriangles, (rsurface_model->surfmesh.data_element3i + 3 * surface->num_firsttriangle), rsurface_model->surfmesh.ebo, (sizeof(int[3]) * surface->num_firsttriangle));
+                       R_Mesh_Draw(surface->num_firstvertex, numvertices, numtriangles, (rsurface.modelelement3i + 3 * surface->num_firsttriangle), rsurface.modelelement3i_bufferobject, (sizeof(int[3]) * surface->num_firsttriangle));
                }
+#if 0
+               Con_Printf("\n");
+#endif
        }
        else
        {
                for (i = 0;i < texturenumsurfaces;i++)
                {
                        surface = texturesurfacelist[i];
+                       R_Mesh_TexBind(lightmaptexunit, R_GetTexture(surface->lightmaptexture));
+                       if (deluxemaptexunit >= 0)
+                               R_Mesh_TexBind(deluxemaptexunit, R_GetTexture(surface->deluxemaptexture));
                        GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
-                       R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (rsurface_model->surfmesh.data_element3i + 3 * surface->num_firsttriangle), rsurface_model->surfmesh.ebo, (sizeof(int[3]) * surface->num_firsttriangle));
+                       R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (rsurface.modelelement3i + 3 * surface->num_firsttriangle), rsurface.modelelement3i_bufferobject, (sizeof(int[3]) * surface->num_firsttriangle));
                }
        }
 }
@@ -3704,7 +4924,7 @@ static void RSurf_DrawBatch_ShowSurfaces(int texturenumsurfaces, msurface_t **te
                        {
                                float f = ((j + surface->num_firsttriangle) & 31) * (1.0f / 31.0f) * r_view.colorscale;
                                GL_Color(f, f, f, 1);
-                               R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, 1, (rsurface_model->surfmesh.data_element3i + 3 * (j + surface->num_firsttriangle)), rsurface_model->surfmesh.ebo, (sizeof(int[3]) * (j + surface->num_firsttriangle)));
+                               R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, 1, (rsurface.modelelement3i + 3 * (j + surface->num_firsttriangle)), rsurface.modelelement3i_bufferobject, (sizeof(int[3]) * (j + surface->num_firsttriangle)));
                        }
                }
        }
@@ -3716,7 +4936,7 @@ static void RSurf_DrawBatch_ShowSurfaces(int texturenumsurfaces, msurface_t **te
                        int k = (int)(((size_t)surface) / sizeof(msurface_t));
                        GL_Color((k & 15) * (1.0f / 16.0f) * r_view.colorscale, ((k >> 4) & 15) * (1.0f / 16.0f) * r_view.colorscale, ((k >> 8) & 15) * (1.0f / 16.0f) * r_view.colorscale, 1);
                        GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
-                       R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (rsurface_model->surfmesh.data_element3i + 3 * surface->num_firsttriangle), rsurface_model->surfmesh.ebo, (sizeof(int[3]) * surface->num_firsttriangle));
+                       R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (rsurface.modelelement3i + 3 * surface->num_firsttriangle), rsurface.modelelement3i_bufferobject, (sizeof(int[3]) * surface->num_firsttriangle));
                }
        }
 }
@@ -3727,13 +4947,13 @@ static void RSurf_DrawBatch_GL11_ApplyFog(int texturenumsurfaces, msurface_t **t
        int i;
        float f;
        float *v, *c, *c2;
-       if (rsurface_lightmapcolor4f)
+       if (rsurface.lightmapcolor4f)
        {
                // generate color arrays for the surfaces in this list
                for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
                {
                        const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
-                       for (i = 0, v = (rsurface_vertex3f + 3 * surface->num_firstvertex), c = (rsurface_lightmapcolor4f + 4 * surface->num_firstvertex), c2 = (rsurface_array_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c += 4, c2 += 4)
+                       for (i = 0, v = (rsurface.vertex3f + 3 * surface->num_firstvertex), c = (rsurface.lightmapcolor4f + 4 * surface->num_firstvertex), c2 = (rsurface.array_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c += 4, c2 += 4)
                        {
                                f = FogPoint_Model(v);
                                c2[0] = c[0] * f;
@@ -3748,7 +4968,7 @@ static void RSurf_DrawBatch_GL11_ApplyFog(int texturenumsurfaces, msurface_t **t
                for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
                {
                        const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
-                       for (i = 0, v = (rsurface_vertex3f + 3 * surface->num_firstvertex), c2 = (rsurface_array_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c2 += 4)
+                       for (i = 0, v = (rsurface.vertex3f + 3 * surface->num_firstvertex), c2 = (rsurface.array_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c2 += 4)
                        {
                                f = FogPoint_Model(v);
                                c2[0] = f;
@@ -3758,9 +4978,9 @@ static void RSurf_DrawBatch_GL11_ApplyFog(int texturenumsurfaces, msurface_t **t
                        }
                }
        }
-       rsurface_lightmapcolor4f = rsurface_array_color4f;
-       rsurface_lightmapcolor4f_bufferobject = 0;
-       rsurface_lightmapcolor4f_bufferoffset = 0;
+       rsurface.lightmapcolor4f = rsurface.array_color4f;
+       rsurface.lightmapcolor4f_bufferobject = 0;
+       rsurface.lightmapcolor4f_bufferoffset = 0;
 }
 
 static void RSurf_DrawBatch_GL11_ApplyColor(int texturenumsurfaces, msurface_t **texturesurfacelist, float r, float g, float b, float a)
@@ -3768,12 +4988,12 @@ static void RSurf_DrawBatch_GL11_ApplyColor(int texturenumsurfaces, msurface_t *
        int texturesurfaceindex;
        int i;
        float *c, *c2;
-       if (!rsurface_lightmapcolor4f)
+       if (!rsurface.lightmapcolor4f)
                return;
        for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
        {
                const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
-               for (i = 0, c = (rsurface_lightmapcolor4f + 4 * surface->num_firstvertex), c2 = (rsurface_array_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, c += 4, c2 += 4)
+               for (i = 0, c = (rsurface.lightmapcolor4f + 4 * surface->num_firstvertex), c2 = (rsurface.array_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, c += 4, c2 += 4)
                {
                        c2[0] = c[0] * r;
                        c2[1] = c[1] * g;
@@ -3781,35 +5001,34 @@ static void RSurf_DrawBatch_GL11_ApplyColor(int texturenumsurfaces, msurface_t *
                        c2[3] = c[3] * a;
                }
        }
-       rsurface_lightmapcolor4f = rsurface_array_color4f;
-       rsurface_lightmapcolor4f_bufferobject = 0;
-       rsurface_lightmapcolor4f_bufferoffset = 0;
+       rsurface.lightmapcolor4f = rsurface.array_color4f;
+       rsurface.lightmapcolor4f_bufferobject = 0;
+       rsurface.lightmapcolor4f_bufferoffset = 0;
 }
 
 static void RSurf_DrawBatch_GL11_Lightmap(int texturenumsurfaces, msurface_t **texturesurfacelist, float r, float g, float b, float a, qboolean applycolor, qboolean applyfog)
 {
        // TODO: optimize
-       rsurface_lightmapcolor4f = NULL;
-       rsurface_lightmapcolor4f_bufferobject = 0;
-       rsurface_lightmapcolor4f_bufferoffset = 0;
+       rsurface.lightmapcolor4f = NULL;
+       rsurface.lightmapcolor4f_bufferobject = 0;
+       rsurface.lightmapcolor4f_bufferoffset = 0;
        if (applyfog)   RSurf_DrawBatch_GL11_ApplyFog(texturenumsurfaces, texturesurfacelist);
        if (applycolor) RSurf_DrawBatch_GL11_ApplyColor(texturenumsurfaces, texturesurfacelist, r, g, b, a);
-       R_Mesh_ColorPointer(rsurface_lightmapcolor4f, rsurface_lightmapcolor4f_bufferobject, rsurface_lightmapcolor4f_bufferoffset);
+       R_Mesh_ColorPointer(rsurface.lightmapcolor4f, rsurface.lightmapcolor4f_bufferobject, rsurface.lightmapcolor4f_bufferoffset);
        GL_Color(r, g, b, a);
-       R_Mesh_TexBind(0, R_GetTexture(rsurface_lightmaptexture));
-       RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
+       RSurf_DrawBatch_WithLightmapSwitching(texturenumsurfaces, texturesurfacelist, 0, -1);
 }
 
 static void RSurf_DrawBatch_GL11_Unlit(int texturenumsurfaces, msurface_t **texturesurfacelist, float r, float g, float b, float a, qboolean applycolor, qboolean applyfog)
 {
        // TODO: optimize applyfog && applycolor case
        // just apply fog if necessary, and tint the fog color array if necessary
-       rsurface_lightmapcolor4f = NULL;
-       rsurface_lightmapcolor4f_bufferobject = 0;
-       rsurface_lightmapcolor4f_bufferoffset = 0;
+       rsurface.lightmapcolor4f = NULL;
+       rsurface.lightmapcolor4f_bufferobject = 0;
+       rsurface.lightmapcolor4f_bufferoffset = 0;
        if (applyfog)   RSurf_DrawBatch_GL11_ApplyFog(texturenumsurfaces, texturesurfacelist);
        if (applycolor) RSurf_DrawBatch_GL11_ApplyColor(texturenumsurfaces, texturesurfacelist, r, g, b, a);
-       R_Mesh_ColorPointer(rsurface_lightmapcolor4f, rsurface_lightmapcolor4f_bufferobject, rsurface_lightmapcolor4f_bufferoffset);
+       R_Mesh_ColorPointer(rsurface.lightmapcolor4f, rsurface.lightmapcolor4f_bufferobject, rsurface.lightmapcolor4f_bufferoffset);
        GL_Color(r, g, b, a);
        RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
 }
@@ -3826,11 +5045,11 @@ static void RSurf_DrawBatch_GL11_VertexColor(int texturenumsurfaces, msurface_t
                for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
                {
                        const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
-                       for (i = 0, c = rsurface_array_color4f + 4 * surface->num_firstvertex;i < surface->num_vertices;i++, c += 4)
+                       for (i = 0, c = rsurface.array_color4f + 4 * surface->num_firstvertex;i < surface->num_vertices;i++, c += 4)
                        {
                                if (surface->lightmapinfo->samples)
                                {
-                                       const unsigned char *lm = surface->lightmapinfo->samples + (rsurface_model->surfmesh.data_lightmapoffsets + surface->num_firstvertex)[i];
+                                       const unsigned char *lm = surface->lightmapinfo->samples + (rsurface.modellightmapoffsets + surface->num_firstvertex)[i];
                                        float scale = r_refdef.lightstylevalue[surface->lightmapinfo->styles[0]] * (1.0f / 32768.0f);
                                        VectorScale(lm, scale, c);
                                        if (surface->lightmapinfo->styles[1] != 255)
@@ -3858,19 +5077,19 @@ static void RSurf_DrawBatch_GL11_VertexColor(int texturenumsurfaces, msurface_t
                                c[3] = 1;
                        }
                }
-               rsurface_lightmapcolor4f = rsurface_array_color4f;
-               rsurface_lightmapcolor4f_bufferobject = 0;
-               rsurface_lightmapcolor4f_bufferoffset = 0;
+               rsurface.lightmapcolor4f = rsurface.array_color4f;
+               rsurface.lightmapcolor4f_bufferobject = 0;
+               rsurface.lightmapcolor4f_bufferoffset = 0;
        }
        else
        {
-               rsurface_lightmapcolor4f = rsurface_model->surfmesh.data_lightmapcolor4f;
-               rsurface_lightmapcolor4f_bufferobject = rsurface_model->surfmesh.vbo;
-               rsurface_lightmapcolor4f_bufferoffset = rsurface_model->surfmesh.vbooffset_lightmapcolor4f;
+               rsurface.lightmapcolor4f = rsurface.modellightmapcolor4f;
+               rsurface.lightmapcolor4f_bufferobject = rsurface.modellightmapcolor4f_bufferobject;
+               rsurface.lightmapcolor4f_bufferoffset = rsurface.modellightmapcolor4f_bufferoffset;
        }
        if (applyfog)   RSurf_DrawBatch_GL11_ApplyFog(texturenumsurfaces, texturesurfacelist);
        if (applycolor) RSurf_DrawBatch_GL11_ApplyColor(texturenumsurfaces, texturesurfacelist, r, g, b, a);
-       R_Mesh_ColorPointer(rsurface_lightmapcolor4f, rsurface_lightmapcolor4f_bufferobject, rsurface_lightmapcolor4f_bufferoffset);
+       R_Mesh_ColorPointer(rsurface.lightmapcolor4f, rsurface.lightmapcolor4f_bufferobject, rsurface.lightmapcolor4f_bufferoffset);
        GL_Color(r, g, b, a);
        RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
 }
@@ -3886,13 +5105,13 @@ static void RSurf_DrawBatch_GL11_VertexShade(int texturenumsurfaces, msurface_t
        vec3_t lightdir;
        // TODO: optimize
        // model lighting
-       VectorCopy(rsurface_entity->modellight_lightdir, lightdir);
-       ambientcolor[0] = rsurface_entity->modellight_ambient[0] * r * 0.5f;
-       ambientcolor[1] = rsurface_entity->modellight_ambient[1] * g * 0.5f;
-       ambientcolor[2] = rsurface_entity->modellight_ambient[2] * b * 0.5f;
-       diffusecolor[0] = rsurface_entity->modellight_diffuse[0] * r * 0.5f;
-       diffusecolor[1] = rsurface_entity->modellight_diffuse[1] * g * 0.5f;
-       diffusecolor[2] = rsurface_entity->modellight_diffuse[2] * b * 0.5f;
+       VectorCopy(rsurface.modellight_lightdir, lightdir);
+       ambientcolor[0] = rsurface.modellight_ambient[0] * r * 0.5f;
+       ambientcolor[1] = rsurface.modellight_ambient[1] * g * 0.5f;
+       ambientcolor[2] = rsurface.modellight_ambient[2] * b * 0.5f;
+       diffusecolor[0] = rsurface.modellight_diffuse[0] * r * 0.5f;
+       diffusecolor[1] = rsurface.modellight_diffuse[1] * g * 0.5f;
+       diffusecolor[2] = rsurface.modellight_diffuse[2] * b * 0.5f;
        if (VectorLength2(diffusecolor) > 0)
        {
                // generate color arrays for the surfaces in this list
@@ -3900,9 +5119,9 @@ static void RSurf_DrawBatch_GL11_VertexShade(int texturenumsurfaces, msurface_t
                {
                        const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
                        int numverts = surface->num_vertices;
-                       v = rsurface_vertex3f + 3 * surface->num_firstvertex;
-                       c2 = rsurface_normal3f + 3 * surface->num_firstvertex;
-                       c = rsurface_array_color4f + 4 * surface->num_firstvertex;
+                       v = rsurface.vertex3f + 3 * surface->num_firstvertex;
+                       c2 = rsurface.normal3f + 3 * surface->num_firstvertex;
+                       c = rsurface.array_color4f + 4 * surface->num_firstvertex;
                        // q3-style directional shading
                        for (i = 0;i < numverts;i++, v += 3, c2 += 3, c += 4)
                        {
@@ -3918,34 +5137,35 @@ static void RSurf_DrawBatch_GL11_VertexShade(int texturenumsurfaces, msurface_t
                b = 1;
                a = 1;
                applycolor = false;
-               rsurface_lightmapcolor4f = rsurface_array_color4f;
-               rsurface_lightmapcolor4f_bufferobject = 0;
-               rsurface_lightmapcolor4f_bufferoffset = 0;
+               rsurface.lightmapcolor4f = rsurface.array_color4f;
+               rsurface.lightmapcolor4f_bufferobject = 0;
+               rsurface.lightmapcolor4f_bufferoffset = 0;
        }
        else
        {
                r = ambientcolor[0];
                g = ambientcolor[1];
                b = ambientcolor[2];
-               rsurface_lightmapcolor4f = NULL;
-               rsurface_lightmapcolor4f_bufferobject = 0;
-               rsurface_lightmapcolor4f_bufferoffset = 0;
+               rsurface.lightmapcolor4f = NULL;
+               rsurface.lightmapcolor4f_bufferobject = 0;
+               rsurface.lightmapcolor4f_bufferoffset = 0;
        }
        if (applyfog)   RSurf_DrawBatch_GL11_ApplyFog(texturenumsurfaces, texturesurfacelist);
        if (applycolor) RSurf_DrawBatch_GL11_ApplyColor(texturenumsurfaces, texturesurfacelist, r, g, b, a);
-       R_Mesh_ColorPointer(rsurface_lightmapcolor4f, rsurface_lightmapcolor4f_bufferobject, rsurface_lightmapcolor4f_bufferoffset);
+       R_Mesh_ColorPointer(rsurface.lightmapcolor4f, rsurface.lightmapcolor4f_bufferobject, rsurface.lightmapcolor4f_bufferoffset);
        GL_Color(r, g, b, a);
        RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
 }
 
 static void R_DrawTextureSurfaceList_ShowSurfaces(int texturenumsurfaces, msurface_t **texturesurfacelist)
 {
-       GL_DepthRange(0, (rsurface_texture->currentmaterialflags & MATERIALFLAG_SHORTDEPTHRANGE) ? 0.0625 : 1);
-       GL_DepthTest(!(rsurface_texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST));
-       GL_CullFace((rsurface_texture->currentmaterialflags & MATERIALFLAG_NOCULLFACE) ? GL_NONE : GL_FRONT); // quake is backwards, this culls back faces
-       if (rsurface_mode != RSURFMODE_SHOWSURFACES)
+       GL_DepthRange(0, (rsurface.texture->currentmaterialflags & MATERIALFLAG_SHORTDEPTHRANGE) ? 0.0625 : 1);
+       GL_PolygonOffset(rsurface.texture->currentpolygonfactor, rsurface.texture->currentpolygonoffset);
+       GL_DepthTest(!(rsurface.texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST));
+       GL_CullFace((rsurface.texture->currentmaterialflags & MATERIALFLAG_NOCULLFACE) ? GL_NONE : r_view.cullface_back);
+       if (rsurface.mode != RSURFMODE_SHOWSURFACES)
        {
-               rsurface_mode = RSURFMODE_SHOWSURFACES;
+               rsurface.mode = RSURFMODE_SHOWSURFACES;
                GL_DepthMask(true);
                GL_BlendFunc(GL_ONE, GL_ZERO);
                R_Mesh_ColorPointer(NULL, 0, 0);
@@ -3958,26 +5178,27 @@ static void R_DrawTextureSurfaceList_ShowSurfaces(int texturenumsurfaces, msurfa
 static void R_DrawTextureSurfaceList_Sky(int texturenumsurfaces, msurface_t **texturesurfacelist)
 {
        // transparent sky would be ridiculous
-       if ((rsurface_texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED))
+       if ((rsurface.texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED))
                return;
-       if (rsurface_mode != RSURFMODE_SKY)
+       if (rsurface.mode != RSURFMODE_SKY)
        {
-               if (rsurface_mode == RSURFMODE_GLSL)
+               if (rsurface.mode == RSURFMODE_GLSL)
                {
                        qglUseProgramObjectARB(0);CHECKGLERROR
                }
-               rsurface_mode = RSURFMODE_SKY;
+               rsurface.mode = RSURFMODE_SKY;
        }
        if (skyrendernow)
        {
                skyrendernow = false;
                R_Sky();
                // restore entity matrix
-               R_Mesh_Matrix(&rsurface_entity->matrix);
+               R_Mesh_Matrix(&rsurface.matrix);
        }
-       GL_DepthRange(0, (rsurface_texture->currentmaterialflags & MATERIALFLAG_SHORTDEPTHRANGE) ? 0.0625 : 1);
-       GL_DepthTest(!(rsurface_texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST));
-       GL_CullFace((rsurface_texture->currentmaterialflags & MATERIALFLAG_NOCULLFACE) ? GL_NONE : GL_FRONT); // quake is backwards, this culls back faces
+       GL_DepthRange(0, (rsurface.texture->currentmaterialflags & MATERIALFLAG_SHORTDEPTHRANGE) ? 0.0625 : 1);
+       GL_PolygonOffset(rsurface.texture->currentpolygonfactor, rsurface.texture->currentpolygonoffset);
+       GL_DepthTest(!(rsurface.texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST));
+       GL_CullFace((rsurface.texture->currentmaterialflags & MATERIALFLAG_NOCULLFACE) ? GL_NONE : r_view.cullface_back);
        GL_DepthMask(true);
        // LordHavoc: HalfLife maps have freaky skypolys so don't use
        // skymasking on them, and Quake3 never did sky masking (unlike
@@ -3985,7 +5206,7 @@ static void R_DrawTextureSurfaceList_Sky(int texturenumsurfaces, msurface_t **te
        // in Quake3 maps as it causes problems with q3map2 sky tricks,
        // and skymasking also looks very bad when noclipping outside the
        // level, so don't use it then either.
-       if (rsurface_model->type == mod_brushq1 && r_q1bsp_skymasking.integer && !r_viewcache.world_novis)
+       if (r_refdef.worldmodel && r_refdef.worldmodel->type == mod_brushq1 && r_q1bsp_skymasking.integer && !r_viewcache.world_novis)
        {
                GL_Color(r_refdef.fogcolor[0] * r_view.colorscale, r_refdef.fogcolor[1] * r_view.colorscale, r_refdef.fogcolor[2] * r_view.colorscale, 1);
                R_Mesh_ColorPointer(NULL, 0, 0);
@@ -4012,38 +5233,39 @@ static void R_DrawTextureSurfaceList_Sky(int texturenumsurfaces, msurface_t **te
 
 static void R_DrawTextureSurfaceList_GL20(int texturenumsurfaces, msurface_t **texturesurfacelist)
 {
-       if (rsurface_mode != RSURFMODE_GLSL)
+       if (rsurface.mode != RSURFMODE_GLSL)
        {
-               rsurface_mode = RSURFMODE_GLSL;
+               rsurface.mode = RSURFMODE_GLSL;
                R_Mesh_ResetTextureState();
        }
 
-       R_SetupSurfaceShader(vec3_origin, rsurface_lightmode == 2, 1, 1, rsurface_texture->specularscale);
+       R_SetupSurfaceShader(vec3_origin, rsurface.lightmode == 2, 1, 1, rsurface.texture->specularscale);
        if (!r_glsl_permutation)
                return;
 
-       if (rsurface_lightmode == 2)
+       if (rsurface.lightmode == 2)
                RSurf_PrepareVerticesForBatch(true, r_glsl_permutation->loc_Texture_Normal >= 0, texturenumsurfaces, texturesurfacelist);
        else
                RSurf_PrepareVerticesForBatch(r_glsl_permutation->loc_Texture_Normal >= 0, r_glsl_permutation->loc_Texture_Normal >= 0, texturenumsurfaces, texturesurfacelist);
-       R_Mesh_TexCoordPointer(0, 2, rsurface_model->surfmesh.data_texcoordtexture2f, rsurface_model->surfmesh.vbo, rsurface_model->surfmesh.vbooffset_texcoordtexture2f);
-       R_Mesh_TexCoordPointer(1, 3, rsurface_svector3f, rsurface_svector3f_bufferobject, rsurface_svector3f_bufferoffset);
-       R_Mesh_TexCoordPointer(2, 3, rsurface_tvector3f, rsurface_tvector3f_bufferobject, rsurface_tvector3f_bufferoffset);
-       R_Mesh_TexCoordPointer(3, 3, rsurface_normal3f, rsurface_normal3f_bufferobject, rsurface_normal3f_bufferoffset);
-       R_Mesh_TexCoordPointer(4, 2, rsurface_model->surfmesh.data_texcoordlightmap2f, rsurface_model->surfmesh.vbo, rsurface_model->surfmesh.vbooffset_texcoordlightmap2f);
+       R_Mesh_TexCoordPointer(0, 2, rsurface.texcoordtexture2f, rsurface.texcoordtexture2f_bufferobject, rsurface.texcoordtexture2f_bufferoffset);
+       R_Mesh_TexCoordPointer(1, 3, rsurface.svector3f, rsurface.svector3f_bufferobject, rsurface.svector3f_bufferoffset);
+       R_Mesh_TexCoordPointer(2, 3, rsurface.tvector3f, rsurface.tvector3f_bufferobject, rsurface.tvector3f_bufferoffset);
+       R_Mesh_TexCoordPointer(3, 3, rsurface.normal3f, rsurface.normal3f_bufferobject, rsurface.normal3f_bufferoffset);
+       R_Mesh_TexCoordPointer(4, 2, rsurface.modeltexcoordlightmap2f, rsurface.modeltexcoordlightmap2f_bufferobject, rsurface.modeltexcoordlightmap2f_bufferoffset);
 
-       if (rsurface_texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT)
+       GL_Color(rsurface.texture->currentlayers[0].color[0], rsurface.texture->currentlayers[0].color[1], rsurface.texture->currentlayers[0].color[2], rsurface.texture->currentlayers[0].color[3]);
+       if (rsurface.texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT)
        {
-               R_Mesh_TexBind(7, R_GetTexture(r_texture_white));
+               R_Mesh_TexBind(7, R_GetTexture(r_texture_grey128));
                if (r_glsl_permutation->loc_Texture_Deluxemap >= 0)
                        R_Mesh_TexBind(8, R_GetTexture(r_texture_blanknormalmap));
                R_Mesh_ColorPointer(NULL, 0, 0);
        }
-       else if (rsurface_lightmaptexture)
+       else if (rsurface.uselightmaptexture)
        {
-               R_Mesh_TexBind(7, R_GetTexture(rsurface_lightmaptexture));
+               R_Mesh_TexBind(7, R_GetTexture(texturesurfacelist[0]->lightmaptexture));
                if (r_glsl_permutation->loc_Texture_Deluxemap >= 0)
-                       R_Mesh_TexBind(8, R_GetTexture(rsurface_deluxemaptexture));
+                       R_Mesh_TexBind(8, R_GetTexture(texturesurfacelist[0]->deluxemaptexture));
                R_Mesh_ColorPointer(NULL, 0, 0);
        }
        else
@@ -4051,17 +5273,28 @@ static void R_DrawTextureSurfaceList_GL20(int texturenumsurfaces, msurface_t **t
                R_Mesh_TexBind(7, R_GetTexture(r_texture_white));
                if (r_glsl_permutation->loc_Texture_Deluxemap >= 0)
                        R_Mesh_TexBind(8, R_GetTexture(r_texture_blanknormalmap));
-               R_Mesh_ColorPointer(rsurface_model->surfmesh.data_lightmapcolor4f, rsurface_model->surfmesh.vbo, rsurface_model->surfmesh.vbooffset_lightmapcolor4f);
+               R_Mesh_ColorPointer(rsurface.modellightmapcolor4f, rsurface.modellightmapcolor4f_bufferobject, rsurface.modellightmapcolor4f_bufferoffset);
        }
 
-       if (rsurface_lightmaptexture && !(rsurface_texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT))
+       if (rsurface.uselightmaptexture && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT))
        {
-               R_Mesh_TexBind(7, R_GetTexture(rsurface_lightmaptexture));
-               if (r_glsl_permutation->loc_Texture_Deluxemap >= 0)
-                       R_Mesh_TexBind(8, R_GetTexture(rsurface_deluxemaptexture));
+               if (rsurface.texture->currentmaterialflags & MATERIALFLAG_WATERSHADER)
+                       RSurf_DrawBatch_WithLightmapSwitching_WithWaterTextureSwitching(texturenumsurfaces, texturesurfacelist, 7, r_glsl_permutation->loc_Texture_Deluxemap >= 0 ? 8 : -1, 11, 12);
+               else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_REFLECTION)
+                       RSurf_DrawBatch_WithLightmapSwitching_WithWaterTextureSwitching(texturenumsurfaces, texturesurfacelist, 7, r_glsl_permutation->loc_Texture_Deluxemap >= 0 ? 8 : -1, -1, 12);
+               else
+                       RSurf_DrawBatch_WithLightmapSwitching(texturenumsurfaces, texturesurfacelist, 7, r_glsl_permutation->loc_Texture_Deluxemap >= 0 ? 8 : -1);
        }
-       RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
-       if (rsurface_texture->backgroundnumskinframes && !(rsurface_texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED))
+       else
+       {
+               if (rsurface.texture->currentmaterialflags & MATERIALFLAG_WATERSHADER)
+                       RSurf_DrawBatch_WithLightmapSwitching_WithWaterTextureSwitching(texturenumsurfaces, texturesurfacelist, -1, -1, 11, 12);
+               else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_REFLECTION)
+                       RSurf_DrawBatch_WithLightmapSwitching_WithWaterTextureSwitching(texturenumsurfaces, texturesurfacelist, -1, -1, -1, 12);
+               else
+                       RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
+       }
+       if (rsurface.texture->backgroundnumskinframes && !(rsurface.texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED))
        {
        }
 }
@@ -4075,14 +5308,14 @@ static void R_DrawTextureSurfaceList_GL13(int texturenumsurfaces, msurface_t **t
        rmeshstate_t m;
        int layerindex;
        const texturelayer_t *layer;
-       if (rsurface_mode != RSURFMODE_MULTIPASS)
-               rsurface_mode = RSURFMODE_MULTIPASS;
+       if (rsurface.mode != RSURFMODE_MULTIPASS)
+               rsurface.mode = RSURFMODE_MULTIPASS;
        RSurf_PrepareVerticesForBatch(true, false, texturenumsurfaces, texturesurfacelist);
-       for (layerindex = 0, layer = rsurface_texture->currentlayers;layerindex < rsurface_texture->currentnumlayers;layerindex++, layer++)
+       for (layerindex = 0, layer = rsurface.texture->currentlayers;layerindex < rsurface.texture->currentnumlayers;layerindex++, layer++)
        {
                vec4_t layercolor;
                int layertexrgbscale;
-               if (rsurface_texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
+               if (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
                {
                        if (layerindex == 0)
                                GL_AlphaTest(true);
@@ -4118,19 +5351,19 @@ static void R_DrawTextureSurfaceList_GL13(int texturenumsurfaces, msurface_t **t
                case TEXTURELAYERTYPE_LITTEXTURE:
                        memset(&m, 0, sizeof(m));
                        m.tex[0] = R_GetTexture(r_texture_white);
-                       m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordlightmap2f;
-                       m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo;
-                       m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordlightmap2f;
+                       m.pointer_texcoord[0] = rsurface.modeltexcoordlightmap2f;
+                       m.pointer_texcoord_bufferobject[0] = rsurface.modeltexcoordlightmap2f_bufferobject;
+                       m.pointer_texcoord_bufferoffset[0] = rsurface.modeltexcoordlightmap2f_bufferoffset;
                        m.tex[1] = R_GetTexture(layer->texture);
                        m.texmatrix[1] = layer->texmatrix;
                        m.texrgbscale[1] = layertexrgbscale;
-                       m.pointer_texcoord[1] = rsurface_model->surfmesh.data_texcoordtexture2f;
-                       m.pointer_texcoord_bufferobject[1] = rsurface_model->surfmesh.vbo;
-                       m.pointer_texcoord_bufferoffset[1] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f;
+                       m.pointer_texcoord[1] = rsurface.texcoordtexture2f;
+                       m.pointer_texcoord_bufferobject[1] = rsurface.texcoordtexture2f_bufferobject;
+                       m.pointer_texcoord_bufferoffset[1] = rsurface.texcoordtexture2f_bufferoffset;
                        R_Mesh_TextureState(&m);
-                       if (rsurface_lightmode == 2)
+                       if (rsurface.lightmode == 2)
                                RSurf_DrawBatch_GL11_VertexShade(texturenumsurfaces, texturesurfacelist, layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
-                       else if (rsurface_lightmaptexture)
+                       else if (rsurface.uselightmaptexture)
                                RSurf_DrawBatch_GL11_Lightmap(texturenumsurfaces, texturesurfacelist, layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
                        else
                                RSurf_DrawBatch_GL11_VertexColor(texturenumsurfaces, texturesurfacelist, layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
@@ -4140,9 +5373,9 @@ static void R_DrawTextureSurfaceList_GL13(int texturenumsurfaces, msurface_t **t
                        m.tex[0] = R_GetTexture(layer->texture);
                        m.texmatrix[0] = layer->texmatrix;
                        m.texrgbscale[0] = layertexrgbscale;
-                       m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordtexture2f;
-                       m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo;
-                       m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f;
+                       m.pointer_texcoord[0] = rsurface.texcoordtexture2f;
+                       m.pointer_texcoord_bufferobject[0] = rsurface.texcoordtexture2f_bufferobject;
+                       m.pointer_texcoord_bufferoffset[0] = rsurface.texcoordtexture2f_bufferoffset;
                        R_Mesh_TextureState(&m);
                        RSurf_DrawBatch_GL11_Unlit(texturenumsurfaces, texturesurfacelist, layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
                        break;
@@ -4153,19 +5386,19 @@ static void R_DrawTextureSurfaceList_GL13(int texturenumsurfaces, msurface_t **t
                        {
                                m.tex[0] = R_GetTexture(layer->texture);
                                m.texmatrix[0] = layer->texmatrix;
-                               m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordtexture2f;
-                               m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo;
-                               m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f;
+                               m.pointer_texcoord[0] = rsurface.texcoordtexture2f;
+                               m.pointer_texcoord_bufferobject[0] = rsurface.texcoordtexture2f_bufferobject;
+                               m.pointer_texcoord_bufferoffset[0] = rsurface.texcoordtexture2f_bufferoffset;
                        }
                        R_Mesh_TextureState(&m);
                        // generate a color array for the fog pass
-                       R_Mesh_ColorPointer(rsurface_array_color4f, 0, 0);
+                       R_Mesh_ColorPointer(rsurface.array_color4f, 0, 0);
                        for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
                        {
                                int i;
                                float f, *v, *c;
                                const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
-                               for (i = 0, v = (rsurface_vertex3f + 3 * surface->num_firstvertex), c = (rsurface_array_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c += 4)
+                               for (i = 0, v = (rsurface.vertex3f + 3 * surface->num_firstvertex), c = (rsurface.array_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c += 4)
                                {
                                        f = 1 - FogPoint_Model(v);
                                        c[0] = layercolor[0];
@@ -4182,7 +5415,7 @@ static void R_DrawTextureSurfaceList_GL13(int texturenumsurfaces, msurface_t **t
                GL_LockArrays(0, 0);
        }
        CHECKGLERROR
-       if (rsurface_texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
+       if (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
        {
                qglDepthFunc(GL_LEQUAL);CHECKGLERROR
                GL_AlphaTest(false);
@@ -4197,12 +5430,12 @@ static void R_DrawTextureSurfaceList_GL11(int texturenumsurfaces, msurface_t **t
        rmeshstate_t m;
        int layerindex;
        const texturelayer_t *layer;
-       if (rsurface_mode != RSURFMODE_MULTIPASS)
-               rsurface_mode = RSURFMODE_MULTIPASS;
+       if (rsurface.mode != RSURFMODE_MULTIPASS)
+               rsurface.mode = RSURFMODE_MULTIPASS;
        RSurf_PrepareVerticesForBatch(true, false, texturenumsurfaces, texturesurfacelist);
-       for (layerindex = 0, layer = rsurface_texture->currentlayers;layerindex < rsurface_texture->currentnumlayers;layerindex++, layer++)
+       for (layerindex = 0, layer = rsurface.texture->currentlayers;layerindex < rsurface.texture->currentnumlayers;layerindex++, layer++)
        {
-               if (rsurface_texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
+               if (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
                {
                        if (layerindex == 0)
                                GL_AlphaTest(true);
@@ -4225,13 +5458,13 @@ static void R_DrawTextureSurfaceList_GL11(int texturenumsurfaces, msurface_t **t
                                // first the lightmap pass
                                memset(&m, 0, sizeof(m));
                                m.tex[0] = R_GetTexture(r_texture_white);
-                               m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordlightmap2f;
-                               m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo;
-                               m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordlightmap2f;
+                               m.pointer_texcoord[0] = rsurface.modeltexcoordlightmap2f;
+                               m.pointer_texcoord_bufferobject[0] = rsurface.modeltexcoordlightmap2f_bufferobject;
+                               m.pointer_texcoord_bufferoffset[0] = rsurface.modeltexcoordlightmap2f_bufferoffset;
                                R_Mesh_TextureState(&m);
-                               if (rsurface_lightmode == 2)
+                               if (rsurface.lightmode == 2)
                                        RSurf_DrawBatch_GL11_VertexShade(texturenumsurfaces, texturesurfacelist, 1, 1, 1, 1, false, false);
-                               else if (rsurface_lightmaptexture)
+                               else if (rsurface.uselightmaptexture)
                                        RSurf_DrawBatch_GL11_Lightmap(texturenumsurfaces, texturesurfacelist, 1, 1, 1, 1, false, false);
                                else
                                        RSurf_DrawBatch_GL11_VertexColor(texturenumsurfaces, texturesurfacelist, 1, 1, 1, 1, false, false);
@@ -4241,9 +5474,9 @@ static void R_DrawTextureSurfaceList_GL11(int texturenumsurfaces, msurface_t **t
                                memset(&m, 0, sizeof(m));
                                m.tex[0] = R_GetTexture(layer->texture);
                                m.texmatrix[0] = layer->texmatrix;
-                               m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordtexture2f;
-                               m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo;
-                               m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f;
+                               m.pointer_texcoord[0] = rsurface.texcoordtexture2f;
+                               m.pointer_texcoord_bufferobject[0] = rsurface.texcoordtexture2f_bufferobject;
+                               m.pointer_texcoord_bufferoffset[0] = rsurface.texcoordtexture2f_bufferoffset;
                                R_Mesh_TextureState(&m);
                                RSurf_DrawBatch_GL11_Unlit(texturenumsurfaces, texturesurfacelist, layer->color[0] * 0.5f, layer->color[1] * 0.5f, layer->color[2] * 0.5f, layer->color[3], layer->color[0] != 2 || layer->color[1] != 2 || layer->color[2] != 2 || layer->color[3] != 1, false);
                        }
@@ -4253,11 +5486,11 @@ static void R_DrawTextureSurfaceList_GL11(int texturenumsurfaces, msurface_t **t
                                memset(&m, 0, sizeof(m));
                                m.tex[0] = R_GetTexture(layer->texture);
                                m.texmatrix[0] = layer->texmatrix;
-                               m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordtexture2f;
-                               m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo;
-                               m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f;
+                               m.pointer_texcoord[0] = rsurface.texcoordtexture2f;
+                               m.pointer_texcoord_bufferobject[0] = rsurface.texcoordtexture2f_bufferobject;
+                               m.pointer_texcoord_bufferoffset[0] = rsurface.texcoordtexture2f_bufferoffset;
                                R_Mesh_TextureState(&m);
-                               if (rsurface_lightmode == 2)
+                               if (rsurface.lightmode == 2)
                                        RSurf_DrawBatch_GL11_VertexShade(texturenumsurfaces, texturesurfacelist, layer->color[0], layer->color[1], layer->color[2], layer->color[3], layer->color[0] != 1 || layer->color[1] != 1 || layer->color[2] != 1 || layer->color[3] != 1, applyfog);
                                else
                                        RSurf_DrawBatch_GL11_VertexColor(texturenumsurfaces, texturesurfacelist, layer->color[0], layer->color[1], layer->color[2], layer->color[3], layer->color[0] != 1 || layer->color[1] != 1 || layer->color[2] != 1 || layer->color[3] != 1, applyfog);
@@ -4268,23 +5501,23 @@ static void R_DrawTextureSurfaceList_GL11(int texturenumsurfaces, msurface_t **t
                        memset(&m, 0, sizeof(m));
                        m.tex[0] = R_GetTexture(layer->texture);
                        m.texmatrix[0] = layer->texmatrix;
-                       m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordtexture2f;
-                       m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo;
-                       m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f;
+                       m.pointer_texcoord[0] = rsurface.texcoordtexture2f;
+                       m.pointer_texcoord_bufferobject[0] = rsurface.texcoordtexture2f_bufferobject;
+                       m.pointer_texcoord_bufferoffset[0] = rsurface.texcoordtexture2f_bufferoffset;
                        R_Mesh_TextureState(&m);
                        RSurf_DrawBatch_GL11_Unlit(texturenumsurfaces, texturesurfacelist, layer->color[0], layer->color[1], layer->color[2], layer->color[3], layer->color[0] != 1 || layer->color[1] != 1 || layer->color[2] != 1 || layer->color[3] != 1, applyfog);
                        break;
                case TEXTURELAYERTYPE_FOG:
                        // singletexture fogging
-                       R_Mesh_ColorPointer(rsurface_array_color4f, 0, 0);
+                       R_Mesh_ColorPointer(rsurface.array_color4f, 0, 0);
                        if (layer->texture)
                        {
                                memset(&m, 0, sizeof(m));
                                m.tex[0] = R_GetTexture(layer->texture);
                                m.texmatrix[0] = layer->texmatrix;
-                               m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordtexture2f;
-                               m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo;
-                               m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f;
+                               m.pointer_texcoord[0] = rsurface.texcoordtexture2f;
+                               m.pointer_texcoord_bufferobject[0] = rsurface.texcoordtexture2f_bufferobject;
+                               m.pointer_texcoord_bufferoffset[0] = rsurface.texcoordtexture2f_bufferoffset;
                                R_Mesh_TextureState(&m);
                        }
                        else
@@ -4295,7 +5528,7 @@ static void R_DrawTextureSurfaceList_GL11(int texturenumsurfaces, msurface_t **t
                                int i;
                                float f, *v, *c;
                                const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
-                               for (i = 0, v = (rsurface_vertex3f + 3 * surface->num_firstvertex), c = (rsurface_array_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c += 4)
+                               for (i = 0, v = (rsurface.vertex3f + 3 * surface->num_firstvertex), c = (rsurface.array_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c += 4)
                                {
                                        f = 1 - FogPoint_Model(v);
                                        c[0] = layer->color[0];
@@ -4312,7 +5545,7 @@ static void R_DrawTextureSurfaceList_GL11(int texturenumsurfaces, msurface_t **t
                GL_LockArrays(0, 0);
        }
        CHECKGLERROR
-       if (rsurface_texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
+       if (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
        {
                qglDepthFunc(GL_LEQUAL);CHECKGLERROR
                GL_AlphaTest(false);
@@ -4321,28 +5554,34 @@ static void R_DrawTextureSurfaceList_GL11(int texturenumsurfaces, msurface_t **t
 
 static void R_DrawTextureSurfaceList(int texturenumsurfaces, msurface_t **texturesurfacelist, qboolean writedepth, qboolean depthonly)
 {
-       if (rsurface_texture->currentmaterialflags & MATERIALFLAG_NODRAW)
+       if (rsurface.texture->currentmaterialflags & MATERIALFLAG_NODRAW)
                return;
-       r_shadow_rtlight = NULL;
+       rsurface.rtlight = NULL;
        CHECKGLERROR
        if (depthonly)
        {
-               if ((rsurface_texture->currentmaterialflags & (MATERIALFLAG_NODEPTHTEST | MATERIALFLAG_BLENDED | MATERIALFLAG_ALPHATEST)))
+               if ((rsurface.texture->currentmaterialflags & (MATERIALFLAG_NODEPTHTEST | MATERIALFLAG_BLENDED | MATERIALFLAG_ALPHATEST)))
                        return;
-               if (rsurface_mode != RSURFMODE_MULTIPASS)
-                       rsurface_mode = RSURFMODE_MULTIPASS;
+               if (r_waterstate.renderingscene && (rsurface.texture->currentmaterialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFLECTION)))
+                       return;
+               if (rsurface.mode != RSURFMODE_MULTIPASS)
+                       rsurface.mode = RSURFMODE_MULTIPASS;
                if (r_depthfirst.integer == 3)
                {
-                       int i = (int)(texturesurfacelist[0] - rsurface_model->data_surfaces);
-                       GL_Color(((i >> 6) & 7) / 7.0f, ((i >> 3) & 7) / 7.0f, (i & 7) / 7.0f,1);
+                       int i = (int)(texturesurfacelist[0] - rsurface.modelsurfaces);
+                       if (!r_view.showdebug)
+                               GL_Color(0, 0, 0, 1);
+                       else
+                               GL_Color(((i >> 6) & 7) / 7.0f, ((i >> 3) & 7) / 7.0f, (i & 7) / 7.0f,1);
                }
                else
                {
                        GL_ColorMask(0,0,0,0);
                        GL_Color(1,1,1,1);
                }
-               GL_DepthRange(0, (rsurface_texture->currentmaterialflags & MATERIALFLAG_SHORTDEPTHRANGE) ? 0.0625 : 1);
-               GL_CullFace((rsurface_texture->currentmaterialflags & MATERIALFLAG_NOCULLFACE) ? GL_NONE : GL_FRONT); // quake is backwards, this culls back faces
+               GL_DepthRange(0, (rsurface.texture->currentmaterialflags & MATERIALFLAG_SHORTDEPTHRANGE) ? 0.0625 : 1);
+               GL_PolygonOffset(rsurface.texture->currentpolygonfactor, rsurface.texture->currentpolygonoffset);
+               GL_CullFace((rsurface.texture->currentmaterialflags & MATERIALFLAG_NOCULLFACE) ? GL_NONE : r_view.cullface_back);
                GL_DepthTest(true);
                GL_BlendFunc(GL_ONE, GL_ZERO);
                GL_DepthMask(true);
@@ -4356,13 +5595,19 @@ static void R_DrawTextureSurfaceList(int texturenumsurfaces, msurface_t **textur
        }
        else if (r_depthfirst.integer == 3)
                return;
+       else if (!r_view.showdebug && (r_showsurfaces.integer || gl_lightmaps.integer))
+       {
+               GL_Color(0, 0, 0, 1);
+               RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
+       }
        else if (r_showsurfaces.integer)
        {
-               if (rsurface_mode != RSURFMODE_MULTIPASS)
-                       rsurface_mode = RSURFMODE_MULTIPASS;
-               GL_DepthRange(0, (rsurface_texture->currentmaterialflags & MATERIALFLAG_SHORTDEPTHRANGE) ? 0.0625 : 1);
+               if (rsurface.mode != RSURFMODE_MULTIPASS)
+                       rsurface.mode = RSURFMODE_MULTIPASS;
+               GL_DepthRange(0, (rsurface.texture->currentmaterialflags & MATERIALFLAG_SHORTDEPTHRANGE) ? 0.0625 : 1);
+               GL_PolygonOffset(rsurface.texture->currentpolygonfactor, rsurface.texture->currentpolygonoffset);
                GL_DepthTest(true);
-               GL_CullFace((rsurface_texture->currentmaterialflags & MATERIALFLAG_NOCULLFACE) ? GL_NONE : GL_FRONT); // quake is backwards, this culls back faces
+               GL_CullFace((rsurface.texture->currentmaterialflags & MATERIALFLAG_NOCULLFACE) ? GL_NONE : r_view.cullface_back);
                GL_BlendFunc(GL_ONE, GL_ZERO);
                GL_DepthMask(writedepth);
                GL_Color(1,1,1,1);
@@ -4373,25 +5618,55 @@ static void R_DrawTextureSurfaceList(int texturenumsurfaces, msurface_t **textur
                R_DrawTextureSurfaceList_ShowSurfaces(texturenumsurfaces, texturesurfacelist);
                r_refdef.stats.entities_surfaces += texturenumsurfaces;
        }
-       else if (rsurface_texture->currentmaterialflags & MATERIALFLAG_SKY)
+       else if (gl_lightmaps.integer)
+       {
+               rmeshstate_t m;
+               if (rsurface.mode != RSURFMODE_MULTIPASS)
+                       rsurface.mode = RSURFMODE_MULTIPASS;
+               GL_DepthRange(0, (rsurface.texture->currentmaterialflags & MATERIALFLAG_SHORTDEPTHRANGE) ? 0.0625 : 1);
+               GL_DepthTest(true);
+               GL_CullFace((rsurface.texture->currentmaterialflags & MATERIALFLAG_NOCULLFACE) ? GL_NONE : r_view.cullface_back);
+               GL_BlendFunc(GL_ONE, GL_ZERO);
+               GL_DepthMask(writedepth);
+               GL_Color(1,1,1,1);
+               GL_AlphaTest(false);
+               // use lightmode 0 (fullbright or lightmap) or 2 (model lighting)
+               rsurface.lightmode = ((rsurface.texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT) || rsurface.modeltexcoordlightmap2f != NULL) ? 0 : 2;
+               R_Mesh_ColorPointer(NULL, 0, 0);
+               memset(&m, 0, sizeof(m));
+               m.tex[0] = R_GetTexture(r_texture_white);
+               m.pointer_texcoord[0] = rsurface.modeltexcoordlightmap2f;
+               m.pointer_texcoord_bufferobject[0] = rsurface.modeltexcoordlightmap2f_bufferobject;
+               m.pointer_texcoord_bufferoffset[0] = rsurface.modeltexcoordlightmap2f_bufferoffset;
+               R_Mesh_TextureState(&m);
+               RSurf_PrepareVerticesForBatch(rsurface.lightmode == 2, false, texturenumsurfaces, texturesurfacelist);
+               if (rsurface.lightmode == 2)
+                       RSurf_DrawBatch_GL11_VertexShade(texturenumsurfaces, texturesurfacelist, 1, 1, 1, 1, false, false);
+               else if (rsurface.uselightmaptexture)
+                       RSurf_DrawBatch_GL11_Lightmap(texturenumsurfaces, texturesurfacelist, 1, 1, 1, 1, false, false);
+               else
+                       RSurf_DrawBatch_GL11_VertexColor(texturenumsurfaces, texturesurfacelist, 1, 1, 1, 1, false, false);
+               r_refdef.stats.entities_surfaces += texturenumsurfaces;
+       }
+       else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_SKY)
        {
                R_DrawTextureSurfaceList_Sky(texturenumsurfaces, texturesurfacelist);
                r_refdef.stats.entities_surfaces += texturenumsurfaces;
        }
-       else if (rsurface_texture->currentnumlayers)
+       else if (rsurface.texture->currentnumlayers)
        {
                // write depth for anything we skipped on the depth-only pass earlier
-               if (!writedepth && (rsurface_texture->currentmaterialflags & (MATERIALFLAG_BLENDED | MATERIALFLAG_ALPHATEST)))
+               if (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
                        writedepth = true;
-               GL_DepthRange(0, (rsurface_texture->currentmaterialflags & MATERIALFLAG_SHORTDEPTHRANGE) ? 0.0625 : 1);
-               GL_DepthTest(!(rsurface_texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST));
-               GL_CullFace((rsurface_texture->currentmaterialflags & MATERIALFLAG_NOCULLFACE) ? GL_NONE : GL_FRONT); // quake is backwards, this culls back faces
-               GL_BlendFunc(rsurface_texture->currentlayers[0].blendfunc1, rsurface_texture->currentlayers[0].blendfunc2);
-               GL_DepthMask(writedepth && !(rsurface_texture->currentmaterialflags & MATERIALFLAG_BLENDED));
-               GL_Color(rsurface_entity->colormod[0], rsurface_entity->colormod[1], rsurface_entity->colormod[2], rsurface_texture->currentalpha);
-               GL_AlphaTest((rsurface_texture->currentmaterialflags & MATERIALFLAG_ALPHATEST) != 0);
-               // FIXME: identify models using a better check than rsurface_model->brush.shadowmesh
-               rsurface_lightmode = ((rsurface_texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT) || rsurface_model->brush.shadowmesh) ? 0 : 2;
+               GL_DepthRange(0, (rsurface.texture->currentmaterialflags & MATERIALFLAG_SHORTDEPTHRANGE) ? 0.0625 : 1);
+               GL_PolygonOffset(rsurface.texture->currentpolygonfactor, rsurface.texture->currentpolygonoffset);
+               GL_DepthTest(!(rsurface.texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST));
+               GL_CullFace((rsurface.texture->currentmaterialflags & MATERIALFLAG_NOCULLFACE) ? GL_NONE : r_view.cullface_back);
+               GL_BlendFunc(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
+               GL_DepthMask(writedepth && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_BLENDED));
+               GL_AlphaTest((rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST) != 0);
+               // use lightmode 0 (fullbright or lightmap) or 2 (model lighting)
+               rsurface.lightmode = ((rsurface.texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT) || rsurface.modeltexcoordlightmap2f != NULL) ? 0 : 2;
                if (r_glsl.integer && gl_support_fragment_shader)
                        R_DrawTextureSurfaceList_GL20(texturenumsurfaces, texturesurfacelist);
                else if (gl_combine.integer && r_textureunits.integer >= 2)
@@ -4425,20 +5700,19 @@ static void R_DrawSurface_TransparentCallback(const entity_render_t *ent, const
        for (i = 0;i < numsurfaces;i = j)
        {
                j = i + 1;
-               surface = rsurface_model->data_surfaces + surfacelist[i];
+               surface = rsurface.modelsurfaces + surfacelist[i];
                texture = surface->texture;
                R_UpdateTextureInfo(ent, texture);
-               rsurface_texture = texture->currentframe;
-               rsurface_lightmaptexture = surface->lightmaptexture;
-               rsurface_deluxemaptexture = surface->deluxemaptexture;
+               rsurface.texture = texture->currentframe;
+               rsurface.uselightmaptexture = surface->lightmaptexture != NULL;
                // scan ahead until we find a different texture
                endsurface = min(i + 1024, numsurfaces);
                texturenumsurfaces = 0;
                texturesurfacelist[texturenumsurfaces++] = surface;
                for (;j < endsurface;j++)
                {
-                       surface = rsurface_model->data_surfaces + surfacelist[j];
-                       if (texture != surface->texture || rsurface_lightmaptexture != surface->lightmaptexture)
+                       surface = rsurface.modelsurfaces + surfacelist[j];
+                       if (texture != surface->texture || rsurface.uselightmaptexture != (surface->lightmaptexture != NULL))
                                break;
                        texturesurfacelist[texturenumsurfaces++] = surface;
                }
@@ -4449,31 +5723,38 @@ static void R_DrawSurface_TransparentCallback(const entity_render_t *ent, const
        RSurf_CleanUp();
 }
 
-void R_QueueSurfaceList(int numsurfaces, msurface_t **surfacelist, int flagsmask, qboolean writedepth, qboolean depthonly)
+void R_QueueSurfaceList(entity_render_t *ent, int numsurfaces, msurface_t **surfacelist, int flagsmask, qboolean writedepth, qboolean depthonly, qboolean addwaterplanes)
 {
        int i, j;
        vec3_t tempcenter, center;
        texture_t *texture;
+       // if we're rendering water textures (extra scene renders), use a separate loop to avoid burdening the main one
+       if (addwaterplanes)
+       {
+               for (i = 0;i < numsurfaces;i++)
+                       if (surfacelist[i]->texture->currentframe->currentmaterialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFLECTION))
+                               R_Water_AddWaterPlane(surfacelist[i]);
+               return;
+       }
        // break the surface list down into batches by texture and use of lightmapping
        for (i = 0;i < numsurfaces;i = j)
        {
                j = i + 1;
-               // texture is the base texture pointer, rsurface_texture is the
+               // texture is the base texture pointer, rsurface.texture is the
                // current frame/skin the texture is directing us to use (for example
                // if a model has 2 skins and it is on skin 1, then skin 0 tells us to
                // use skin 1 instead)
                texture = surfacelist[i]->texture;
-               rsurface_texture = texture->currentframe;
-               rsurface_lightmaptexture = surfacelist[i]->lightmaptexture;
-               rsurface_deluxemaptexture = surfacelist[i]->deluxemaptexture;
-               if (!(rsurface_texture->currentmaterialflags & flagsmask))
+               rsurface.texture = texture->currentframe;
+               rsurface.uselightmaptexture = surfacelist[i]->lightmaptexture != NULL;
+               if (!(rsurface.texture->currentmaterialflags & flagsmask))
                {
                        // if this texture is not the kind we want, skip ahead to the next one
                        for (;j < numsurfaces && texture == surfacelist[j]->texture;j++)
                                ;
                        continue;
                }
-               if (rsurface_texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED)
+               if (rsurface.texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED)
                {
                        // transparent surfaces get pushed off into the transparent queue
                        const msurface_t *surface = surfacelist[i];
@@ -4482,13 +5763,13 @@ void R_QueueSurfaceList(int numsurfaces, msurface_t **surfacelist, int flagsmask
                        tempcenter[0] = (surface->mins[0] + surface->maxs[0]) * 0.5f;
                        tempcenter[1] = (surface->mins[1] + surface->maxs[1]) * 0.5f;
                        tempcenter[2] = (surface->mins[2] + surface->maxs[2]) * 0.5f;
-                       Matrix4x4_Transform(&rsurface_entity->matrix, tempcenter, center);
-                       R_MeshQueue_AddTransparent(rsurface_texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST ? r_view.origin : center, R_DrawSurface_TransparentCallback, rsurface_entity, surface - rsurface_model->data_surfaces, r_shadow_rtlight);
+                       Matrix4x4_Transform(&rsurface.matrix, tempcenter, center);
+                       R_MeshQueue_AddTransparent(rsurface.texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST ? r_view.origin : center, R_DrawSurface_TransparentCallback, ent, surface - rsurface.modelsurfaces, rsurface.rtlight);
                }
                else
                {
                        // simply scan ahead until we find a different texture or lightmap state
-                       for (;j < numsurfaces && texture == surfacelist[j]->texture && rsurface_lightmaptexture == surfacelist[j]->lightmaptexture;j++)
+                       for (;j < numsurfaces && texture == surfacelist[j]->texture && rsurface.uselightmaptexture == (surfacelist[j]->lightmaptexture != NULL);j++)
                                ;
                        // render the range of surfaces
                        R_DrawTextureSurfaceList(j - i, surfacelist + i, writedepth, depthonly);
@@ -4526,6 +5807,7 @@ void R_DrawLoc_Callback(const entity_render_t *ent, const rtlight_t *rtlight, in
        GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
        GL_DepthMask(false);
        GL_DepthRange(0, 1);
+       GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
        GL_DepthTest(true);
        GL_CullFace(GL_NONE);
        R_Mesh_Matrix(&identitymatrix);
@@ -4571,117 +5853,134 @@ void R_DrawLocs(void)
        }
 }
 
-void R_DrawCollisionBrushes(entity_render_t *ent)
+void R_DrawDebugModel(entity_render_t *ent)
 {
-       int i;
+       int i, j, k, l, flagsmask;
+       const int *elements;
        q3mbrush_t *brush;
        msurface_t *surface;
        model_t *model = ent->model;
-       if (!model->brush.num_brushes)
-               return;
-       CHECKGLERROR
+       vec3_t v;
+
+       flagsmask = MATERIALFLAG_SKY | MATERIALFLAG_WATER | MATERIALFLAG_WALL;
+
        R_Mesh_ColorPointer(NULL, 0, 0);
        R_Mesh_ResetTextureState();
-       GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
-       GL_DepthMask(false);
        GL_DepthRange(0, 1);
        GL_DepthTest(!r_showdisabledepthtest.integer);
-       qglPolygonOffset(r_refdef.polygonfactor + r_showcollisionbrushes_polygonfactor.value, r_refdef.polygonoffset + r_showcollisionbrushes_polygonoffset.value);CHECKGLERROR
-       for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
-               if (brush->colbrushf && brush->colbrushf->numtriangles)
-                       R_DrawCollisionBrush(brush->colbrushf);
-       for (i = 0, surface = model->data_surfaces + model->firstmodelsurface;i < model->nummodelsurfaces;i++, surface++)
-               if (surface->num_collisiontriangles)
-                       R_DrawCollisionSurface(ent, surface);
-       qglPolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);CHECKGLERROR
-}
+       GL_DepthMask(false);
+       GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 
-void R_DrawTrianglesAndNormals(entity_render_t *ent, qboolean drawtris, qboolean drawnormals, int flagsmask)
-{
-       int i, j, k, l;
-       const int *elements;
-       msurface_t *surface;
-       model_t *model = ent->model;
-       vec3_t v;
-       CHECKGLERROR
-       GL_DepthRange(0, 1);
-       GL_DepthTest(!r_showdisabledepthtest.integer);
-       GL_DepthMask(true);
-       GL_BlendFunc(GL_ONE, GL_ZERO);
-       R_Mesh_ColorPointer(NULL, 0, 0);
-       R_Mesh_ResetTextureState();
-       for (i = 0, j = model->firstmodelsurface, surface = model->data_surfaces + j;i < model->nummodelsurfaces;i++, j++, surface++)
+       if (r_showcollisionbrushes.value > 0 && model->brush.num_brushes)
        {
-               if (ent == r_refdef.worldentity && !r_viewcache.world_surfacevisible[j])
-                       continue;
-               rsurface_texture = surface->texture->currentframe;
-               if ((rsurface_texture->currentmaterialflags & flagsmask) && surface->num_triangles)
+               GL_PolygonOffset(r_refdef.polygonfactor + r_showcollisionbrushes_polygonfactor.value, r_refdef.polygonoffset + r_showcollisionbrushes_polygonoffset.value);
+               for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
                {
-                       RSurf_PrepareVerticesForBatch(true, true, 1, &surface);
-                       if (drawtris)
+                       if (brush->colbrushf && brush->colbrushf->numtriangles)
                        {
-                               if (!rsurface_texture->currentlayers->depthmask)
-                                       GL_Color(r_showtris.value * r_view.colorscale, 0, 0, 1);
-                               else if (ent == r_refdef.worldentity)
-                                       GL_Color(r_showtris.value * r_view.colorscale, r_showtris.value * r_view.colorscale, r_showtris.value * r_view.colorscale, 1);
-                               else
-                                       GL_Color(0, r_showtris.value * r_view.colorscale, 0, 1);
-                               elements = (ent->model->surfmesh.data_element3i + 3 * surface->num_firsttriangle);
-                               CHECKGLERROR
-                               qglBegin(GL_LINES);
-                               for (k = 0;k < surface->num_triangles;k++, elements += 3)
-                               {
-#define GLVERTEXELEMENT(n) qglVertex3f(rsurface_vertex3f[elements[n]*3+0], rsurface_vertex3f[elements[n]*3+1], rsurface_vertex3f[elements[n]*3+2])
-                                       GLVERTEXELEMENT(0);GLVERTEXELEMENT(1);
-                                       GLVERTEXELEMENT(1);GLVERTEXELEMENT(2);
-                                       GLVERTEXELEMENT(2);GLVERTEXELEMENT(0);
-                               }
-                               qglEnd();
-                               CHECKGLERROR
+                               R_Mesh_VertexPointer(brush->colbrushf->points->v, 0, 0);
+                               GL_Color((i & 31) * (1.0f / 32.0f) * r_view.colorscale, ((i >> 5) & 31) * (1.0f / 32.0f) * r_view.colorscale, ((i >> 10) & 31) * (1.0f / 32.0f) * r_view.colorscale, r_showcollisionbrushes.value);
+                               R_Mesh_Draw(0, brush->colbrushf->numpoints, brush->colbrushf->numtriangles, brush->colbrushf->elements, 0, 0);
                        }
-                       if (drawnormals)
+               }
+               for (i = 0, surface = model->data_surfaces + model->firstmodelsurface;i < model->nummodelsurfaces;i++, surface++)
+               {
+                       if (surface->num_collisiontriangles)
                        {
-                               GL_Color(r_shownormals.value * r_view.colorscale, 0, 0, 1);
-                               qglBegin(GL_LINES);
-                               for (k = 0, l = surface->num_firstvertex;k < surface->num_vertices;k++, l++)
-                               {
-                                       VectorCopy(rsurface_vertex3f + l * 3, v);
-                                       qglVertex3f(v[0], v[1], v[2]);
-                                       VectorMA(v, 8, rsurface_svector3f + l * 3, v);
-                                       qglVertex3f(v[0], v[1], v[2]);
-                               }
-                               qglEnd();
-                               CHECKGLERROR
-                               GL_Color(0, 0, r_shownormals.value * r_view.colorscale, 1);
-                               qglBegin(GL_LINES);
-                               for (k = 0, l = surface->num_firstvertex;k < surface->num_vertices;k++, l++)
+                               R_Mesh_VertexPointer(surface->data_collisionvertex3f, 0, 0);
+                               GL_Color((i & 31) * (1.0f / 32.0f) * r_view.colorscale, ((i >> 5) & 31) * (1.0f / 32.0f) * r_view.colorscale, ((i >> 10) & 31) * (1.0f / 32.0f) * r_view.colorscale, r_showcollisionbrushes.value);
+                               R_Mesh_Draw(0, surface->num_collisionvertices, surface->num_collisiontriangles, surface->data_collisionelement3i, 0, 0);
+                       }
+               }
+       }
+
+       GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
+
+       if (r_showtris.integer || r_shownormals.integer)
+       {
+               if (r_showdisabledepthtest.integer)
+               {
+                       GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+                       GL_DepthMask(false);
+               }
+               else
+               {
+                       GL_BlendFunc(GL_ONE, GL_ZERO);
+                       GL_DepthMask(true);
+               }
+               for (i = 0, j = model->firstmodelsurface, surface = model->data_surfaces + j;i < model->nummodelsurfaces;i++, j++, surface++)
+               {
+                       if (ent == r_refdef.worldentity && !r_viewcache.world_surfacevisible[j])
+                               continue;
+                       rsurface.texture = surface->texture->currentframe;
+                       if ((rsurface.texture->currentmaterialflags & flagsmask) && surface->num_triangles)
+                       {
+                               RSurf_PrepareVerticesForBatch(true, true, 1, &surface);
+                               if (r_showtris.value > 0)
                                {
-                                       VectorCopy(rsurface_vertex3f + l * 3, v);
-                                       qglVertex3f(v[0], v[1], v[2]);
-                                       VectorMA(v, 8, rsurface_tvector3f + l * 3, v);
-                                       qglVertex3f(v[0], v[1], v[2]);
+                                       if (!rsurface.texture->currentlayers->depthmask)
+                                               GL_Color(r_view.colorscale, 0, 0, r_showtris.value);
+                                       else if (ent == r_refdef.worldentity)
+                                               GL_Color(r_view.colorscale, r_view.colorscale, r_view.colorscale, r_showtris.value);
+                                       else
+                                               GL_Color(0, r_view.colorscale, 0, r_showtris.value);
+                                       elements = (ent->model->surfmesh.data_element3i + 3 * surface->num_firsttriangle);
+                                       CHECKGLERROR
+                                       qglBegin(GL_LINES);
+                                       for (k = 0;k < surface->num_triangles;k++, elements += 3)
+                                       {
+#define GLVERTEXELEMENT(n) qglVertex3f(rsurface.vertex3f[elements[n]*3+0], rsurface.vertex3f[elements[n]*3+1], rsurface.vertex3f[elements[n]*3+2])
+                                               GLVERTEXELEMENT(0);GLVERTEXELEMENT(1);
+                                               GLVERTEXELEMENT(1);GLVERTEXELEMENT(2);
+                                               GLVERTEXELEMENT(2);GLVERTEXELEMENT(0);
+                                       }
+                                       qglEnd();
+                                       CHECKGLERROR
                                }
-                               qglEnd();
-                               CHECKGLERROR
-                               GL_Color(0, r_shownormals.value * r_view.colorscale, 0, 1);
-                               qglBegin(GL_LINES);
-                               for (k = 0, l = surface->num_firstvertex;k < surface->num_vertices;k++, l++)
+                               if (r_shownormals.value > 0)
                                {
-                                       VectorCopy(rsurface_vertex3f + l * 3, v);
-                                       qglVertex3f(v[0], v[1], v[2]);
-                                       VectorMA(v, 8, rsurface_normal3f + l * 3, v);
-                                       qglVertex3f(v[0], v[1], v[2]);
+                                       GL_Color(r_view.colorscale, 0, 0, r_shownormals.value);
+                                       qglBegin(GL_LINES);
+                                       for (k = 0, l = surface->num_firstvertex;k < surface->num_vertices;k++, l++)
+                                       {
+                                               VectorCopy(rsurface.vertex3f + l * 3, v);
+                                               qglVertex3f(v[0], v[1], v[2]);
+                                               VectorMA(v, 8, rsurface.svector3f + l * 3, v);
+                                               qglVertex3f(v[0], v[1], v[2]);
+                                       }
+                                       qglEnd();
+                                       CHECKGLERROR
+                                       GL_Color(0, 0, r_view.colorscale, r_shownormals.value);
+                                       qglBegin(GL_LINES);
+                                       for (k = 0, l = surface->num_firstvertex;k < surface->num_vertices;k++, l++)
+                                       {
+                                               VectorCopy(rsurface.vertex3f + l * 3, v);
+                                               qglVertex3f(v[0], v[1], v[2]);
+                                               VectorMA(v, 8, rsurface.tvector3f + l * 3, v);
+                                               qglVertex3f(v[0], v[1], v[2]);
+                                       }
+                                       qglEnd();
+                                       CHECKGLERROR
+                                       GL_Color(0, r_view.colorscale, 0, r_shownormals.value);
+                                       qglBegin(GL_LINES);
+                                       for (k = 0, l = surface->num_firstvertex;k < surface->num_vertices;k++, l++)
+                                       {
+                                               VectorCopy(rsurface.vertex3f + l * 3, v);
+                                               qglVertex3f(v[0], v[1], v[2]);
+                                               VectorMA(v, 8, rsurface.normal3f + l * 3, v);
+                                               qglVertex3f(v[0], v[1], v[2]);
+                                       }
+                                       qglEnd();
+                                       CHECKGLERROR
                                }
-                               qglEnd();
-                               CHECKGLERROR
                        }
                }
+               rsurface.texture = NULL;
        }
-       rsurface_texture = NULL;
 }
 
 extern void R_BuildLightMap(const entity_render_t *ent, msurface_t *surface);
-void R_DrawWorldSurfaces(qboolean skysurfaces, qboolean writedepth, qboolean depthonly)
+void R_DrawWorldSurfaces(qboolean skysurfaces, qboolean writedepth, qboolean depthonly, qboolean addwaterplanes, qboolean debug)
 {
        int i, j, endj, f, flagsmask;
        int counttriangles = 0;
@@ -4697,7 +5996,7 @@ void R_DrawWorldSurfaces(qboolean skysurfaces, qboolean writedepth, qboolean dep
        RSurf_ActiveWorldEntity();
 
        // update light styles
-       if (!skysurfaces && !depthonly && model->brushq1.light_styleupdatechains)
+       if (!skysurfaces && !depthonly && !addwaterplanes && model->brushq1.light_styleupdatechains)
        {
                for (i = 0;i < model->brushq1.light_styles;i++)
                {
@@ -4712,12 +6011,18 @@ void R_DrawWorldSurfaces(qboolean skysurfaces, qboolean writedepth, qboolean dep
        }
 
        R_UpdateAllTextureInfo(r_refdef.worldentity);
-       flagsmask = skysurfaces ? MATERIALFLAG_SKY : (MATERIALFLAG_WATER | MATERIALFLAG_WALL);
+       flagsmask = addwaterplanes ? (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFLECTION) : (skysurfaces ? MATERIALFLAG_SKY : (MATERIALFLAG_WATER | MATERIALFLAG_WALL));
+
+       if (debug)
+       {
+               R_DrawDebugModel(r_refdef.worldentity);
+               return;
+       }
+
        f = 0;
        t = NULL;
-       rsurface_lightmaptexture = NULL;
-       rsurface_deluxemaptexture = NULL;
-       rsurface_texture = NULL;
+       rsurface.uselightmaptexture = false;
+       rsurface.texture = NULL;
        numsurfacelist = 0;
        j = model->firstmodelsurface;
        endj = j + model->nummodelsurfaces;
@@ -4742,25 +6047,19 @@ void R_DrawWorldSurfaces(qboolean skysurfaces, qboolean writedepth, qboolean dep
                                counttriangles += surface->num_triangles;
                                if (numsurfacelist >= maxsurfacelist)
                                {
-                                       R_QueueSurfaceList(numsurfacelist, surfacelist, flagsmask, writedepth, depthonly);
+                                       R_QueueSurfaceList(r_refdef.worldentity, numsurfacelist, surfacelist, flagsmask, writedepth, depthonly, addwaterplanes);
                                        numsurfacelist = 0;
                                }
                        }
                }
        }
        if (numsurfacelist)
-               R_QueueSurfaceList(numsurfacelist, surfacelist, flagsmask, writedepth, depthonly);
+               R_QueueSurfaceList(r_refdef.worldentity, numsurfacelist, surfacelist, flagsmask, writedepth, depthonly, addwaterplanes);
        r_refdef.stats.entities_triangles += counttriangles;
        RSurf_CleanUp();
-
-       if (r_showcollisionbrushes.integer && !skysurfaces && !depthonly)
-               R_DrawCollisionBrushes(r_refdef.worldentity);
-
-       if ((r_showtris.integer || r_shownormals.integer) && !depthonly)
-               R_DrawTrianglesAndNormals(r_refdef.worldentity, r_showtris.integer, r_shownormals.integer, flagsmask);
 }
 
-void R_DrawModelSurfaces(entity_render_t *ent, qboolean skysurfaces, qboolean writedepth, qboolean depthonly)
+void R_DrawModelSurfaces(entity_render_t *ent, qboolean skysurfaces, qboolean writedepth, qboolean depthonly, qboolean addwaterplanes, qboolean debug)
 {
        int i, f, flagsmask;
        int counttriangles = 0;
@@ -4784,7 +6083,7 @@ void R_DrawModelSurfaces(entity_render_t *ent, qboolean skysurfaces, qboolean wr
                RSurf_ActiveModelEntity(ent, true, r_glsl.integer && gl_support_fragment_shader && !depthonly);
 
        // update light styles
-       if (!skysurfaces && !depthonly && model->brushq1.light_styleupdatechains)
+       if (!skysurfaces && !depthonly && !addwaterplanes && model->brushq1.light_styleupdatechains)
        {
                for (i = 0;i < model->brushq1.light_styles;i++)
                {
@@ -4799,12 +6098,18 @@ void R_DrawModelSurfaces(entity_render_t *ent, qboolean skysurfaces, qboolean wr
        }
 
        R_UpdateAllTextureInfo(ent);
-       flagsmask = skysurfaces ? MATERIALFLAG_SKY : (MATERIALFLAG_WATER | MATERIALFLAG_WALL);
+       flagsmask = addwaterplanes ? (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFLECTION) : (skysurfaces ? MATERIALFLAG_SKY : (MATERIALFLAG_WATER | MATERIALFLAG_WALL));
+
+       if (debug)
+       {
+               R_DrawDebugModel(ent);
+               return;
+       }
+
        f = 0;
        t = NULL;
-       rsurface_lightmaptexture = NULL;
-       rsurface_deluxemaptexture = NULL;
-       rsurface_texture = NULL;
+       rsurface.uselightmaptexture = false;
+       rsurface.texture = NULL;
        numsurfacelist = 0;
        surface = model->data_surfaces + model->firstmodelsurface;
        endsurface = surface + model->nummodelsurfaces;
@@ -4821,19 +6126,13 @@ void R_DrawModelSurfaces(entity_render_t *ent, qboolean skysurfaces, qboolean wr
                        counttriangles += surface->num_triangles;
                        if (numsurfacelist >= maxsurfacelist)
                        {
-                               R_QueueSurfaceList(numsurfacelist, surfacelist, flagsmask, writedepth, depthonly);
+                               R_QueueSurfaceList(ent, numsurfacelist, surfacelist, flagsmask, writedepth, depthonly, addwaterplanes);
                                numsurfacelist = 0;
                        }
                }
        }
        if (numsurfacelist)
-               R_QueueSurfaceList(numsurfacelist, surfacelist, flagsmask, writedepth, depthonly);
+               R_QueueSurfaceList(ent, numsurfacelist, surfacelist, flagsmask, writedepth, depthonly, addwaterplanes);
        r_refdef.stats.entities_triangles += counttriangles;
        RSurf_CleanUp();
-
-       if (r_showcollisionbrushes.integer && !skysurfaces && !depthonly)
-               R_DrawCollisionBrushes(ent);
-
-       if ((r_showtris.integer || r_shownormals.integer) && !depthonly)
-               R_DrawTrianglesAndNormals(ent, r_showtris.integer, r_shownormals.integer, flagsmask);
 }