]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - r_shadow.c
eliminated qbyte type, now uses unsigned char throughout the engine for this purpose
[xonotic/darkplaces.git] / r_shadow.c
index 392d1f499813c4fce3269bebf2598b2e006e3069..680295a4e2d67e526089ec4f72a3fade9e6d177d 100644 (file)
@@ -174,11 +174,11 @@ int *vertexremap;
 int vertexupdatenum;
 
 int r_shadow_buffer_numleafpvsbytes;
-qbyte *r_shadow_buffer_leafpvs;
+unsigned char *r_shadow_buffer_leafpvs;
 int *r_shadow_buffer_leaflist;
 
 int r_shadow_buffer_numsurfacepvsbytes;
-qbyte *r_shadow_buffer_surfacepvs;
+unsigned char *r_shadow_buffer_surfacepvs;
 int *r_shadow_buffer_surfacelist;
 
 rtexturepool_t *r_shadow_texturepool;
@@ -280,10 +280,23 @@ const char *builtinshader_light_vert =
 "// ambient+diffuse+specular+normalmap+attenuation+cubemap+fog shader\n"
 "// written by Forest 'LordHavoc' Hale\n"
 "\n"
+"// use half floats if available for math performance\n"
+"#ifdef GEFORCEFX\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"
+"#endif\n"
+"\n"
 "uniform vec3 LightPosition;\n"
 "\n"
 "varying vec2 TexCoord;\n"
-"varying vec3 CubeVector;\n"
+"varying myhvec3 CubeVector;\n"
 "varying vec3 LightVector;\n"
 "\n"
 "#if defined(USESPECULAR) || defined(USEFOG) || defined(USEOFFSETMAPPING)\n"
@@ -329,28 +342,33 @@ const char *builtinshader_light_frag =
 "// written by Forest 'LordHavoc' Hale\n"
 "\n"
 "// use half floats if available for math performance\n"
-"#ifndef GEFORCEFX\n"
-"#define half float\n"
-"#define hvec2 vec2\n"
-"#define hvec3 vec3\n"
-"#define hvec4 vec4\n"
+"#ifdef GEFORCEFX\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"
 "#endif\n"
 "\n"
-"uniform hvec3 LightColor;\n"
+"uniform myhvec3 LightColor;\n"
 "#ifdef USEOFFSETMAPPING\n"
-"uniform half OffsetMapping_Scale;\n"
-"uniform half OffsetMapping_Bias;\n"
+"uniform myhalf OffsetMapping_Scale;\n"
+"uniform myhalf OffsetMapping_Bias;\n"
 "#endif\n"
 "#ifdef USESPECULAR\n"
-"uniform half SpecularPower;\n"
+"uniform myhalf SpecularPower;\n"
 "#endif\n"
 "#ifdef USEFOG\n"
-"uniform half FogRangeRecip;\n"
+"uniform myhalf FogRangeRecip;\n"
 "#endif\n"
-"uniform half AmbientScale;\n"
-"uniform half DiffuseScale;\n"
+"uniform myhalf AmbientScale;\n"
+"uniform myhalf DiffuseScale;\n"
 "#ifdef USESPECULAR\n"
-"uniform half SpecularScale;\n"
+"uniform myhalf SpecularScale;\n"
 "#endif\n"
 "\n"
 "uniform sampler2D Texture_Normal;\n"
@@ -366,7 +384,7 @@ const char *builtinshader_light_frag =
 "#endif\n"
 "\n"
 "varying vec2 TexCoord;\n"
-"varying vec3 CubeVector;\n"
+"varying myhvec3 CubeVector;\n"
 "varying vec3 LightVector;\n"
 "#if defined(USESPECULAR) || defined(USEFOG) || defined(USEOFFSETMAPPING)\n"
 "varying vec3 EyeVector;\n"
@@ -382,17 +400,17 @@ const char *builtinshader_light_frag =
 "      //\n"
 "      // pow(1-(x*x+y*y+z*z), 4) is far more realistic but needs large lights to\n"
 "      // provide significant illumination, large = slow = pain.\n"
-"      half colorscale = max(1.0 - dot(CubeVector, CubeVector), 0.0);\n"
+"      myhalf colorscale = max(1.0 - dot(CubeVector, CubeVector), 0.0);\n"
 "\n"
 "#ifdef USEFOG\n"
 "      // apply fog\n"
-"      colorscale *= texture2D(Texture_FogMask, hvec2(length(EyeVector)*FogRangeRecip, 0)).x;\n"
+"      colorscale *= texture2D(Texture_FogMask, myhvec2(length(EyeVector)*FogRangeRecip, 0)).x;\n"
 "#endif\n"
 "\n"
 "#ifdef USEOFFSETMAPPING\n"
 "      // this is 3 sample because of ATI Radeon 9500-9800/X300 limits\n"
-"      hvec2 OffsetVector = normalize(EyeVector).xy * vec2(-0.333, 0.333);\n"
-"      hvec2 TexCoordOffset = TexCoord + OffsetVector * (OffsetMapping_Bias + OffsetMapping_Scale * texture2D(Texture_Normal, TexCoord).w);\n"
+"      myhvec2 OffsetVector = normalize(EyeVector).xy * vec2(-0.333, 0.333);\n"
+"      myhvec2 TexCoordOffset = TexCoord + OffsetVector * (OffsetMapping_Bias + OffsetMapping_Scale * texture2D(Texture_Normal, TexCoord).w);\n"
 "      TexCoordOffset += OffsetVector * (OffsetMapping_Bias + OffsetMapping_Scale * texture2D(Texture_Normal, TexCoordOffset).w);\n"
 "      TexCoordOffset += OffsetVector * (OffsetMapping_Bias + OffsetMapping_Scale * texture2D(Texture_Normal, TexCoordOffset).w);\n"
 "#define TexCoord TexCoordOffset\n"
@@ -400,26 +418,26 @@ const char *builtinshader_light_frag =
 "\n"
 "      // get the surface normal\n"
 "#ifdef SURFACENORMALIZE\n"
-"      hvec3 surfacenormal = normalize(hvec3(texture2D(Texture_Normal, TexCoord)) - 0.5);\n"
+"      myhvec3 surfacenormal = normalize(myhvec3(texture2D(Texture_Normal, TexCoord)) - 0.5);\n"
 "#else\n"
-"      hvec3 surfacenormal = -1.0 + 2.0 * hvec3(texture2D(Texture_Normal, TexCoord));\n"
+"      myhvec3 surfacenormal = -1.0 + 2.0 * myhvec3(texture2D(Texture_Normal, TexCoord));\n"
 "#endif\n"
 "\n"
 "      // calculate shading\n"
-"      hvec3 diffusenormal = hvec3(normalize(LightVector));\n"
-"      hvec3 color = hvec3(texture2D(Texture_Color, TexCoord)) * (AmbientScale + DiffuseScale * max(dot(surfacenormal, diffusenormal), 0.0));\n"
+"      myhvec3 diffusenormal = myhvec3(normalize(LightVector));\n"
+"      myhvec3 color = myhvec3(texture2D(Texture_Color, TexCoord)) * (AmbientScale + DiffuseScale * max(dot(surfacenormal, diffusenormal), 0.0));\n"
 "#ifdef USESPECULAR\n"
-"      hvec3 specularnormal = hvec3(normalize(diffusenormal + hvec3(normalize(EyeVector))));\n"
-"      color += hvec3(texture2D(Texture_Gloss, TexCoord)) * (SpecularScale * pow(max(dot(surfacenormal, specularnormal), 0.0), SpecularPower));\n"
+"      myhvec3 specularnormal = myhvec3(normalize(diffusenormal + myhvec3(normalize(EyeVector))));\n"
+"      color += myhvec3(texture2D(Texture_Gloss, TexCoord)) * SpecularScale * pow(max(dot(surfacenormal, specularnormal), 0.0), SpecularPower);\n"
 "#endif\n"
 "\n"
 "#ifdef USECUBEFILTER\n"
 "      // apply light cubemap filter\n"
-"      color *= hvec3(textureCube(Texture_Cube, CubeVector));\n"
+"      color *= myhvec3(textureCube(Texture_Cube, CubeVector));\n"
 "#endif\n"
 "\n"
 "      // calculate fragment color (apply light color and attenuation/fog scaling)\n"
-"      gl_FragColor = hvec4(color * LightColor * colorscale, 1);\n"
+"      gl_FragColor = myhvec4(color * LightColor * colorscale, 1);\n"
 "}\n"
 ;
 
@@ -496,6 +514,9 @@ void r_shadow_start(void)
                        }
                        if (i & SHADERPERMUTATION_GEFORCEFX)
                        {
+                               // if the extension does not exist, don't try to compile it
+                               if (!gl_support_half_float)
+                                       continue;
                                vertstrings_list[vertstrings_count++] = "#define GEFORCEFX\n";
                                fragstrings_list[fragstrings_count++] = "#define GEFORCEFX\n";
                        }
@@ -725,7 +746,7 @@ int *R_Shadow_ResizeShadowElements(int numtris)
                maxshadowelements = numtris * 24;
                if (shadowelements)
                        Mem_Free(shadowelements);
-               shadowelements = Mem_Alloc(r_shadow_mempool, maxshadowelements * sizeof(int));
+               shadowelements = (int *)Mem_Alloc(r_shadow_mempool, maxshadowelements * sizeof(int));
        }
        return shadowelements;
 }
@@ -741,8 +762,8 @@ static void R_Shadow_EnlargeLeafSurfaceBuffer(int numleafs, int numsurfaces)
                if (r_shadow_buffer_leaflist)
                        Mem_Free(r_shadow_buffer_leaflist);
                r_shadow_buffer_numleafpvsbytes = numleafpvsbytes;
-               r_shadow_buffer_leafpvs = Mem_Alloc(r_shadow_mempool, r_shadow_buffer_numleafpvsbytes);
-               r_shadow_buffer_leaflist = Mem_Alloc(r_shadow_mempool, r_shadow_buffer_numleafpvsbytes * 8 * sizeof(*r_shadow_buffer_leaflist));
+               r_shadow_buffer_leafpvs = (unsigned char *)Mem_Alloc(r_shadow_mempool, r_shadow_buffer_numleafpvsbytes);
+               r_shadow_buffer_leaflist = (int *)Mem_Alloc(r_shadow_mempool, r_shadow_buffer_numleafpvsbytes * 8 * sizeof(*r_shadow_buffer_leaflist));
        }
        if (r_shadow_buffer_numsurfacepvsbytes < numsurfacepvsbytes)
        {
@@ -751,8 +772,8 @@ static void R_Shadow_EnlargeLeafSurfaceBuffer(int numleafs, int numsurfaces)
                if (r_shadow_buffer_surfacelist)
                        Mem_Free(r_shadow_buffer_surfacelist);
                r_shadow_buffer_numsurfacepvsbytes = numsurfacepvsbytes;
-               r_shadow_buffer_surfacepvs = Mem_Alloc(r_shadow_mempool, r_shadow_buffer_numsurfacepvsbytes);
-               r_shadow_buffer_surfacelist = Mem_Alloc(r_shadow_mempool, r_shadow_buffer_numsurfacepvsbytes * 8 * sizeof(*r_shadow_buffer_surfacelist));
+               r_shadow_buffer_surfacepvs = (unsigned char *)Mem_Alloc(r_shadow_mempool, r_shadow_buffer_numsurfacepvsbytes);
+               r_shadow_buffer_surfacelist = (int *)Mem_Alloc(r_shadow_mempool, r_shadow_buffer_numsurfacepvsbytes * 8 * sizeof(*r_shadow_buffer_surfacelist));
        }
 }
 
@@ -766,8 +787,8 @@ void R_Shadow_PrepareShadowMark(int numtris)
                        Mem_Free(shadowmark);
                if (shadowmarklist)
                        Mem_Free(shadowmarklist);
-               shadowmark = Mem_Alloc(r_shadow_mempool, maxshadowmark * sizeof(*shadowmark));
-               shadowmarklist = Mem_Alloc(r_shadow_mempool, maxshadowmark * sizeof(*shadowmarklist));
+               shadowmark = (int *)Mem_Alloc(r_shadow_mempool, maxshadowmark * sizeof(*shadowmark));
+               shadowmarklist = (int *)Mem_Alloc(r_shadow_mempool, maxshadowmark * sizeof(*shadowmarklist));
                shadowmarkcount = 0;
        }
        shadowmarkcount++;
@@ -794,8 +815,8 @@ int R_Shadow_ConstructShadowVolume(int innumvertices, int innumtris, const int *
                        Mem_Free(vertexupdate);
                if (vertexremap)
                        Mem_Free(vertexremap);
-               vertexupdate = Mem_Alloc(r_shadow_mempool, maxvertexupdate * sizeof(int));
-               vertexremap = Mem_Alloc(r_shadow_mempool, maxvertexupdate * sizeof(int));
+               vertexupdate = (int *)Mem_Alloc(r_shadow_mempool, maxvertexupdate * sizeof(int));
+               vertexremap = (int *)Mem_Alloc(r_shadow_mempool, maxvertexupdate * sizeof(int));
                vertexupdatenum = 0;
        }
        vertexupdatenum++;
@@ -915,6 +936,7 @@ void R_Shadow_VolumeFromList(int numverts, int numtris, const float *invertex3f,
        if (maxshadowelements < nummarktris * 24)
                R_Shadow_ResizeShadowElements((nummarktris + 256) * 24);
        tris = R_Shadow_ConstructShadowVolume(numverts, numtris, elements, neighbors, invertex3f, &outverts, shadowelements, varray_vertex3f2, projectorigin, projectdistance, nummarktris, marktris);
+       renderstats.lights_dynamicshadowtriangles += tris;
        R_Shadow_RenderVolume(outverts, tris, varray_vertex3f2, shadowelements);
 }
 
@@ -964,6 +986,7 @@ void R_Shadow_RenderVolume(int numvertices, int numtriangles, const float *verte
                Mod_ShadowMesh_AddMesh(r_shadow_mempool, r_shadow_compilingrtlight->static_meshchain_shadow, NULL, NULL, NULL, vertex3f, NULL, NULL, NULL, NULL, numtriangles, element3i);
                return;
        }
+       renderstats.lights_shadowtriangles += numtriangles;
        memset(&m, 0, sizeof(m));
        m.pointer_vertex = vertex3f;
        R_Mesh_State(&m);
@@ -974,15 +997,11 @@ void R_Shadow_RenderVolume(int numvertices, int numtriangles, const float *verte
                qglCullFace(GL_BACK); // quake is backwards, this culls front faces
                qglStencilOp(GL_KEEP, GL_DECR, GL_KEEP);
                R_Mesh_Draw(0, numvertices, numtriangles, element3i);
-               c_rt_shadowmeshes++;
-               c_rt_shadowtris += numtriangles;
                // increment stencil if frontface is behind depthbuffer
                qglCullFace(GL_FRONT); // quake is backwards, this culls back faces
                qglStencilOp(GL_KEEP, GL_INCR, GL_KEEP);
        }
        R_Mesh_Draw(0, numvertices, numtriangles, element3i);
-       c_rt_shadowmeshes++;
-       c_rt_shadowtris += numtriangles;
        GL_LockArrays(0, 0);
 }
 
@@ -990,14 +1009,14 @@ static void R_Shadow_MakeTextures(void)
 {
        int x, y, z, d;
        float v[3], intensity;
-       qbyte *data;
+       unsigned char *data;
        R_FreeTexturePool(&r_shadow_texturepool);
        r_shadow_texturepool = R_AllocTexturePool();
        r_shadow_attenpower = r_shadow_lightattenuationpower.value;
        r_shadow_attenscale = r_shadow_lightattenuationscale.value;
 #define ATTEN2DSIZE 64
 #define ATTEN3DSIZE 32
-       data = Mem_Alloc(tempmempool, max(ATTEN3DSIZE*ATTEN3DSIZE*ATTEN3DSIZE*4, ATTEN2DSIZE*ATTEN2DSIZE*4));
+       data = (unsigned char *)Mem_Alloc(tempmempool, max(ATTEN3DSIZE*ATTEN3DSIZE*ATTEN3DSIZE*4, ATTEN2DSIZE*ATTEN2DSIZE*4));
        for (y = 0;y < ATTEN2DSIZE;y++)
        {
                for (x = 0;x < ATTEN2DSIZE;x++)
@@ -1068,11 +1087,11 @@ static matrix4x4_t r_shadow_entitytolight;
 static matrix4x4_t r_shadow_entitytoattenuationxyz;
 // this transforms only the Z to S, and T is always 0.5
 static matrix4x4_t r_shadow_entitytoattenuationz;
-// rtlight->color * r_dlightstylevalue[rtlight->style] / 256 * r_shadow_lightintensityscale.value * ent->colormod * ent->alpha
+// rtlight->color * r_refdef.lightstylevalue[rtlight->style] / 256 * r_shadow_lightintensityscale.value * ent->colormod * ent->alpha
 static vec3_t r_shadow_entitylightcolorbase;
-// rtlight->color * r_dlightstylevalue[rtlight->style] / 256 * r_shadow_lightintensityscale.value * ent->colormap_pantscolor * ent->alpha
+// rtlight->color * r_refdef.lightstylevalue[rtlight->style] / 256 * r_shadow_lightintensityscale.value * ent->colormap_pantscolor * ent->alpha
 static vec3_t r_shadow_entitylightcolorpants;
-// rtlight->color * r_dlightstylevalue[rtlight->style] / 256 * r_shadow_lightintensityscale.value * ent->colormap_shirtcolor * ent->alpha
+// rtlight->color * r_refdef.lightstylevalue[rtlight->style] / 256 * r_shadow_lightintensityscale.value * ent->colormap_shirtcolor * ent->alpha
 static vec3_t r_shadow_entitylightcolorshirt;
 
 static int r_shadow_lightpermutation;
@@ -1165,7 +1184,7 @@ void R_Shadow_Stage_StencilShadowVolumes(void)
                qglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
        }
        GL_Clear(GL_STENCIL_BUFFER_BIT);
-       c_rt_clears++;
+       renderstats.lights_clears++;
 }
 
 void R_Shadow_Stage_Lighting(int stenciltest)
@@ -1204,8 +1223,7 @@ void R_Shadow_Stage_Lighting(int stenciltest)
                m.tex[1] = R_GetTexture(r_texture_white); // diffuse
                m.tex[2] = R_GetTexture(r_texture_white); // gloss
                m.texcubemap[3] = R_GetTexture(r_shadow_lightcubemap); // light filter
-               // TODO: support fog (after renderer is converted to texture fog)
-               m.tex[4] = R_GetTexture(r_texture_white); // fog
+               m.tex[4] = R_GetTexture(r_texture_fogattenuation); // fog
                //m.texmatrix[3] = r_shadow_entitytolight; // light filter matrix
                R_Mesh_State(&m);
                GL_BlendFunc(GL_ONE, GL_ONE);
@@ -1215,10 +1233,10 @@ void R_Shadow_Stage_Lighting(int stenciltest)
                // only add a feature to the permutation if that permutation exists
                // (otherwise it might end up not using a shader at all, which looks
                // worse than using less features)
+               if (fogenabled && r_shadow_program_light[r_shadow_lightpermutation | SHADERPERMUTATION_FOG])
+                       r_shadow_lightpermutation |= SHADERPERMUTATION_FOG;
                if (r_shadow_rtlight->specularscale && r_shadow_gloss.integer >= 1 && r_shadow_program_light[r_shadow_lightpermutation | SHADERPERMUTATION_SPECULAR])
                        r_shadow_lightpermutation |= SHADERPERMUTATION_SPECULAR;
-               //if (fog && r_shadow_program_light[r_shadow_lightpermutation | SHADERPERMUTATION_FOG])
-               //      r_shadow_lightpermutation |= SHADERPERMUTATION_FOG;
                if (r_shadow_lightcubemap != r_texture_whitecube && r_shadow_program_light[r_shadow_lightpermutation | SHADERPERMUTATION_CUBEFILTER])
                        r_shadow_lightpermutation |= SHADERPERMUTATION_CUBEFILTER;
                if (r_shadow_glsl_offsetmapping.integer && r_shadow_program_light[r_shadow_lightpermutation | SHADERPERMUTATION_OFFSETMAPPING])
@@ -1232,7 +1250,7 @@ void R_Shadow_Stage_Lighting(int stenciltest)
                // TODO: support fog (after renderer is converted to texture fog)
                if (r_shadow_lightpermutation & SHADERPERMUTATION_FOG)
                {
-                       qglUniform1fARB(qglGetUniformLocationARB(r_shadow_lightprog, "FogRangeRecip"), 0);CHECKGLERROR
+                       qglUniform1fARB(qglGetUniformLocationARB(r_shadow_lightprog, "FogRangeRecip"), fograngerecip);CHECKGLERROR
                }
                qglUniform1fARB(qglGetUniformLocationARB(r_shadow_lightprog, "AmbientScale"), r_shadow_rtlight->ambientscale);CHECKGLERROR
                qglUniform1fARB(qglGetUniformLocationARB(r_shadow_lightprog, "DiffuseScale"), r_shadow_rtlight->diffusescale);CHECKGLERROR
@@ -1403,7 +1421,7 @@ qboolean R_Shadow_ScissorForBBox(const float *mins, const float *maxs)
        GL_Scissor(ix1, vid.height - iy2, ix2 - ix1, iy2 - iy1);
        //qglScissor(ix1, iy1, ix2 - ix1, iy2 - iy1);
        //qglEnable(GL_SCISSOR_TEST);
-       c_rt_scissored++;
+       renderstats.lights_scissored++;
        return false;
 }
 
@@ -1413,105 +1431,102 @@ extern float *rsurface_tvector3f;
 extern float *rsurface_normal3f;
 extern void RSurf_SetVertexPointer(const entity_render_t *ent, const texture_t *texture, const msurface_t *surface, const vec3_t modelorg);
 
-static void R_Shadow_VertexShadingWithXYZAttenuation(const msurface_t *surface, const float *diffusecolor, const float *ambientcolor, float reduce)
+static void R_Shadow_RenderSurfacesLighting_Light_Vertex_Shading(const msurface_t *surface, const float *diffusecolor, const float *ambientcolor, float reduce, const vec3_t modelorg)
 {
        int numverts = surface->num_vertices;
        float *vertex3f = rsurface_vertex3f + 3 * surface->num_firstvertex;
        float *normal3f = rsurface_normal3f + 3 * surface->num_firstvertex;
        float *color4f = varray_color4f + 4 * surface->num_firstvertex;
        float dist, dot, distintensity, shadeintensity, v[3], n[3];
-       for (;numverts > 0;numverts--, vertex3f += 3, normal3f += 3, color4f += 4)
+       if (r_textureunits.integer >= 3)
        {
-               Matrix4x4_Transform(&r_shadow_entitytolight, vertex3f, v);
-               if ((dist = DotProduct(v, v)) < 1)
+               for (;numverts > 0;numverts--, vertex3f += 3, normal3f += 3, color4f += 4)
                {
-                       dist = sqrt(dist);
-                       distintensity = pow(1 - dist, r_shadow_attenpower) * r_shadow_attenscale;
+                       Matrix4x4_Transform(&r_shadow_entitytolight, vertex3f, v);
                        Matrix4x4_Transform3x3(&r_shadow_entitytolight, normal3f, n);
                        if ((dot = DotProduct(n, v)) > 0)
                        {
                                shadeintensity = dot / sqrt(VectorLength2(v) * VectorLength2(n));
-                               color4f[0] = (ambientcolor[0] + shadeintensity * diffusecolor[0]) * distintensity - reduce;
-                               color4f[1] = (ambientcolor[1] + shadeintensity * diffusecolor[1]) * distintensity - reduce;
-                               color4f[2] = (ambientcolor[2] + shadeintensity * diffusecolor[2]) * distintensity - reduce;
+                               color4f[0] = (ambientcolor[0] + shadeintensity * diffusecolor[0]) - reduce;
+                               color4f[1] = (ambientcolor[1] + shadeintensity * diffusecolor[1]) - reduce;
+                               color4f[2] = (ambientcolor[2] + shadeintensity * diffusecolor[2]) - reduce;
+                               if (fogenabled)
+                               {
+                                       float f = VERTEXFOGTABLE(VectorDistance(v, modelorg));
+                                       VectorScale(color4f, f, color4f);
+                               }
                        }
                        else
-                       {
-                               color4f[0] = ambientcolor[0] * distintensity - reduce;
-                               color4f[1] = ambientcolor[1] * distintensity - reduce;
-                               color4f[2] = ambientcolor[2] * distintensity - reduce;
-                       }
-                       color4f[0] = bound(0, color4f[0], 1);
-                       color4f[1] = bound(0, color4f[1], 1);
-                       color4f[2] = bound(0, color4f[2], 1);
+                               VectorClear(color4f);
+                       color4f[3] = 1;
                }
-               else
-                       VectorClear(color4f);
-               color4f[3] = 1;
        }
-}
-
-static void R_Shadow_VertexShadingWithZAttenuation(const msurface_t *surface, const float *diffusecolor, const float *ambientcolor, float reduce)
-{
-       int numverts = surface->num_vertices;
-       float *vertex3f = rsurface_vertex3f + 3 * surface->num_firstvertex;
-       float *normal3f = rsurface_normal3f + 3 * surface->num_firstvertex;
-       float *color4f = varray_color4f + 4 * surface->num_firstvertex;
-       float dist, dot, distintensity, shadeintensity, v[3], n[3];
-       for (;numverts > 0;numverts--, vertex3f += 3, normal3f += 3, color4f += 4)
+       else if (r_textureunits.integer >= 2)
        {
-               Matrix4x4_Transform(&r_shadow_entitytolight, vertex3f, v);
-               if ((dist = fabs(v[2])) < 1)
+               for (;numverts > 0;numverts--, vertex3f += 3, normal3f += 3, color4f += 4)
                {
-                       distintensity = pow(1 - dist, r_shadow_attenpower) * r_shadow_attenscale;
-                       Matrix4x4_Transform3x3(&r_shadow_entitytolight, normal3f, n);
-                       if ((dot = DotProduct(n, v)) > 0)
+                       Matrix4x4_Transform(&r_shadow_entitytolight, vertex3f, v);
+                       if ((dist = fabs(v[2])) < 1)
                        {
-                               shadeintensity = dot / sqrt(VectorLength2(v) * VectorLength2(n));
-                               color4f[0] = (ambientcolor[0] + shadeintensity * diffusecolor[0]) * distintensity - reduce;
-                               color4f[1] = (ambientcolor[1] + shadeintensity * diffusecolor[1]) * distintensity - reduce;
-                               color4f[2] = (ambientcolor[2] + shadeintensity * diffusecolor[2]) * distintensity - reduce;
+                               distintensity = pow(1 - dist, r_shadow_attenpower) * r_shadow_attenscale;
+                               Matrix4x4_Transform3x3(&r_shadow_entitytolight, normal3f, n);
+                               if ((dot = DotProduct(n, v)) > 0)
+                               {
+                                       shadeintensity = dot / sqrt(VectorLength2(v) * VectorLength2(n));
+                                       color4f[0] = (ambientcolor[0] + shadeintensity * diffusecolor[0]) * distintensity - reduce;
+                                       color4f[1] = (ambientcolor[1] + shadeintensity * diffusecolor[1]) * distintensity - reduce;
+                                       color4f[2] = (ambientcolor[2] + shadeintensity * diffusecolor[2]) * distintensity - reduce;
+                               }
+                               else
+                               {
+                                       color4f[0] = ambientcolor[0] * distintensity - reduce;
+                                       color4f[1] = ambientcolor[1] * distintensity - reduce;
+                                       color4f[2] = ambientcolor[2] * distintensity - reduce;
+                               }
+                               if (fogenabled)
+                               {
+                                       float f = VERTEXFOGTABLE(VectorDistance(v, modelorg));
+                                       VectorScale(color4f, f, color4f);
+                               }
                        }
                        else
-                       {
-                               color4f[0] = ambientcolor[0] * distintensity - reduce;
-                               color4f[1] = ambientcolor[1] * distintensity - reduce;
-                               color4f[2] = ambientcolor[2] * distintensity - reduce;
-                       }
-                       color4f[0] = bound(0, color4f[0], 1);
-                       color4f[1] = bound(0, color4f[1], 1);
-                       color4f[2] = bound(0, color4f[2], 1);
+                               VectorClear(color4f);
+                       color4f[3] = 1;
                }
-               else
-                       VectorClear(color4f);
-               color4f[3] = 1;
        }
-}
-
-static void R_Shadow_VertexShading(const msurface_t *surface, const float *diffusecolor, const float *ambientcolor, float reduce)
-{
-       int numverts = surface->num_vertices;
-       float *vertex3f = rsurface_vertex3f + 3 * surface->num_firstvertex;
-       float *normal3f = rsurface_normal3f + 3 * surface->num_firstvertex;
-       float *color4f = varray_color4f + 4 * surface->num_firstvertex;
-       float dot, shadeintensity, v[3], n[3];
-       for (;numverts > 0;numverts--, vertex3f += 3, normal3f += 3, color4f += 4)
+       else
        {
-               Matrix4x4_Transform(&r_shadow_entitytolight, vertex3f, v);
-               Matrix4x4_Transform3x3(&r_shadow_entitytolight, normal3f, n);
-               if ((dot = DotProduct(n, v)) > 0)
+               for (;numverts > 0;numverts--, vertex3f += 3, normal3f += 3, color4f += 4)
                {
-                       shadeintensity = dot / sqrt(VectorLength2(v) * VectorLength2(n));
-                       color4f[0] = (ambientcolor[0] + shadeintensity * diffusecolor[0]) - reduce;
-                       color4f[1] = (ambientcolor[1] + shadeintensity * diffusecolor[1]) - reduce;
-                       color4f[2] = (ambientcolor[2] + shadeintensity * diffusecolor[2]) - reduce;
-                       color4f[0] = bound(0, color4f[0], 1);
-                       color4f[1] = bound(0, color4f[1], 1);
-                       color4f[2] = bound(0, color4f[2], 1);
+                       Matrix4x4_Transform(&r_shadow_entitytolight, vertex3f, v);
+                       if ((dist = DotProduct(v, v)) < 1)
+                       {
+                               dist = sqrt(dist);
+                               distintensity = pow(1 - dist, r_shadow_attenpower) * r_shadow_attenscale;
+                               Matrix4x4_Transform3x3(&r_shadow_entitytolight, normal3f, n);
+                               if ((dot = DotProduct(n, v)) > 0)
+                               {
+                                       shadeintensity = dot / sqrt(VectorLength2(v) * VectorLength2(n));
+                                       color4f[0] = (ambientcolor[0] + shadeintensity * diffusecolor[0]) * distintensity - reduce;
+                                       color4f[1] = (ambientcolor[1] + shadeintensity * diffusecolor[1]) * distintensity - reduce;
+                                       color4f[2] = (ambientcolor[2] + shadeintensity * diffusecolor[2]) * distintensity - reduce;
+                               }
+                               else
+                               {
+                                       color4f[0] = ambientcolor[0] * distintensity - reduce;
+                                       color4f[1] = ambientcolor[1] * distintensity - reduce;
+                                       color4f[2] = ambientcolor[2] * distintensity - reduce;
+                               }
+                               if (fogenabled)
+                               {
+                                       float f = VERTEXFOGTABLE(VectorDistance(v, modelorg));
+                                       VectorScale(color4f, f, color4f);
+                               }
+                       }
+                       else
+                               VectorClear(color4f);
+                       color4f[3] = 1;
                }
-               else
-                       VectorClear(color4f);
-               color4f[3] = 1;
        }
 }
 
@@ -1610,19 +1625,16 @@ static void R_Shadow_RenderSurfacesLighting_Light_GLSL(const entity_render_t *en
 {
        // ARB2 GLSL shader path (GFFX5200, Radeon 9500)
        int surfacelistindex;
-       qboolean doambientbase = r_shadow_rtlight->ambientscale * VectorLength2(lightcolorbase) > 0.00001 && basetexture != r_texture_black;
-       qboolean dodiffusebase = r_shadow_rtlight->diffusescale * VectorLength2(lightcolorbase) > 0.00001 && basetexture != r_texture_black;
-       qboolean doambientpants = r_shadow_rtlight->ambientscale * VectorLength2(lightcolorpants) > 0.00001 && pantstexture != r_texture_black;
-       qboolean dodiffusepants = r_shadow_rtlight->diffusescale * VectorLength2(lightcolorpants) > 0.00001 && pantstexture != r_texture_black;
-       qboolean doambientshirt = r_shadow_rtlight->ambientscale * VectorLength2(lightcolorshirt) > 0.00001 && shirttexture != r_texture_black;
-       qboolean dodiffuseshirt = r_shadow_rtlight->diffusescale * VectorLength2(lightcolorshirt) > 0.00001 && shirttexture != r_texture_black;
+       qboolean dobase = (r_shadow_rtlight->ambientscale + r_shadow_rtlight->diffusescale) * VectorLength2(lightcolorbase) > 0.00001 && basetexture != r_texture_black;
+       qboolean dopants = (r_shadow_rtlight->ambientscale + r_shadow_rtlight->diffusescale) * VectorLength2(lightcolorpants) > 0.00001 && pantstexture != r_texture_black;
+       qboolean doshirt = (r_shadow_rtlight->ambientscale + r_shadow_rtlight->diffusescale) * VectorLength2(lightcolorshirt) > 0.00001 && shirttexture != r_texture_black;
        qboolean dospecular = specularscale * VectorLength2(lightcolorbase) > 0.00001 && glosstexture != r_texture_black;
        // TODO: add direct pants/shirt rendering
-       if (doambientpants || dodiffusepants)
+       if (dopants)
                R_Shadow_RenderSurfacesLighting_Light_GLSL(ent, texture, numsurfaces, surfacelist, lightcolorpants, vec3_origin, vec3_origin, pantstexture, r_texture_black, r_texture_black, normalmaptexture, r_texture_black, 0, modelorg);
-       if (doambientshirt || dodiffuseshirt)
+       if (doshirt)
                R_Shadow_RenderSurfacesLighting_Light_GLSL(ent, texture, numsurfaces, surfacelist, lightcolorshirt, vec3_origin, vec3_origin, shirttexture, r_texture_black, r_texture_black, normalmaptexture, r_texture_black, 0, modelorg);
-       if (!doambientbase && !dodiffusebase && !dospecular)
+       if (!dobase && !dospecular)
                return;
        R_Mesh_TexMatrix(0, &texture->currenttexmatrix);
        R_Mesh_TexBind(0, R_GetTexture(normalmaptexture));
@@ -1651,8 +1663,6 @@ static void R_Shadow_RenderSurfacesLighting_Light_GLSL(const entity_render_t *en
                R_Mesh_TexCoordPointer(3, 3, rsurface_normal3f);
                GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
                R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements);
-               c_rt_lightmeshes++;
-               c_rt_lighttris += surface->num_triangles;
                GL_LockArrays(0, 0);
        }
 }
@@ -1835,8 +1845,6 @@ static void R_Shadow_RenderSurfacesLighting_Light_Dot3(const entity_render_t *en
                                GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
                                R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements);
                                GL_LockArrays(0, 0);
-                               c_rt_lightmeshes++;
-                               c_rt_lighttris += surface->num_triangles;
 
                                memset(&m, 0, sizeof(m));
                                m.pointer_vertex = rsurface_vertex3f;
@@ -1865,8 +1873,6 @@ static void R_Shadow_RenderSurfacesLighting_Light_Dot3(const entity_render_t *en
                        {
                                GL_Color(bound(0, color2[0], 1), bound(0, color2[1], 1), bound(0, color2[2], 1), 1);
                                R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements);
-                               c_rt_lightmeshes++;
-                               c_rt_lighttris += surface->num_triangles;
                        }
                        GL_LockArrays(0, 0);
                }
@@ -1908,8 +1914,6 @@ static void R_Shadow_RenderSurfacesLighting_Light_Dot3(const entity_render_t *en
                                GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
                                R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements);
                                GL_LockArrays(0, 0);
-                               c_rt_lightmeshes++;
-                               c_rt_lighttris += surface->num_triangles;
 
                                memset(&m, 0, sizeof(m));
                                m.pointer_vertex = rsurface_vertex3f;
@@ -1948,8 +1952,6 @@ static void R_Shadow_RenderSurfacesLighting_Light_Dot3(const entity_render_t *en
                                GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
                                R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements);
                                GL_LockArrays(0, 0);
-                               c_rt_lightmeshes++;
-                               c_rt_lighttris += surface->num_triangles;
 
                                memset(&m, 0, sizeof(m));
                                m.pointer_vertex = rsurface_vertex3f;
@@ -1966,8 +1968,6 @@ static void R_Shadow_RenderSurfacesLighting_Light_Dot3(const entity_render_t *en
                                GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
                                R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements);
                                GL_LockArrays(0, 0);
-                               c_rt_lightmeshes++;
-                               c_rt_lighttris += surface->num_triangles;
 
                                memset(&m, 0, sizeof(m));
                                m.pointer_vertex = rsurface_vertex3f;
@@ -2006,8 +2006,6 @@ static void R_Shadow_RenderSurfacesLighting_Light_Dot3(const entity_render_t *en
                                GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
                                R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements);
                                GL_LockArrays(0, 0);
-                               c_rt_lightmeshes++;
-                               c_rt_lighttris += surface->num_triangles;
 
                                memset(&m, 0, sizeof(m));
                                m.pointer_vertex = rsurface_vertex3f;
@@ -2059,8 +2057,6 @@ static void R_Shadow_RenderSurfacesLighting_Light_Dot3(const entity_render_t *en
                                GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
                                R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements);
                                GL_LockArrays(0, 0);
-                               c_rt_lightmeshes++;
-                               c_rt_lighttris += surface->num_triangles;
 
                                memset(&m, 0, sizeof(m));
                                m.pointer_vertex = rsurface_vertex3f;
@@ -2107,8 +2103,6 @@ static void R_Shadow_RenderSurfacesLighting_Light_Dot3(const entity_render_t *en
                                GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
                                R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements);
                                GL_LockArrays(0, 0);
-                               c_rt_lightmeshes++;
-                               c_rt_lighttris += surface->num_triangles;
 
                                memset(&m, 0, sizeof(m));
                                m.pointer_vertex = rsurface_vertex3f;
@@ -2125,8 +2119,6 @@ static void R_Shadow_RenderSurfacesLighting_Light_Dot3(const entity_render_t *en
                                GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
                                R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements);
                                GL_LockArrays(0, 0);
-                               c_rt_lightmeshes++;
-                               c_rt_lighttris += surface->num_triangles;
 
                                memset(&m, 0, sizeof(m));
                                m.pointer_vertex = rsurface_vertex3f;
@@ -2155,8 +2147,6 @@ static void R_Shadow_RenderSurfacesLighting_Light_Dot3(const entity_render_t *en
                        {
                                GL_Color(bound(0, color2[0], 1), bound(0, color2[1], 1), bound(0, color2[2], 1), 1);
                                R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements);
-                               c_rt_lightmeshes++;
-                               c_rt_lighttris += surface->num_triangles;
                        }
                        GL_LockArrays(0, 0);
                }
@@ -2186,8 +2176,6 @@ static void R_Shadow_RenderSurfacesLighting_Light_Dot3(const entity_render_t *en
                                        GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
                                        R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements);
                                        GL_LockArrays(0, 0);
-                                       c_rt_lightmeshes++;
-                                       c_rt_lighttris += surface->num_triangles;
 
                                        memset(&m, 0, sizeof(m));
                                        m.pointer_vertex = rsurface_vertex3f;
@@ -2200,11 +2188,7 @@ static void R_Shadow_RenderSurfacesLighting_Light_Dot3(const entity_render_t *en
                                        // 0.25 * 0.25 = 0.0625 (this is another pass)
                                        // 0.0625 * 0.0625 = 0.00390625 (this is another pass)
                                        R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements);
-                                       c_rt_lightmeshes++;
-                                       c_rt_lighttris += surface->num_triangles;
                                        R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements);
-                                       c_rt_lightmeshes++;
-                                       c_rt_lighttris += surface->num_triangles;
                                        GL_LockArrays(0, 0);
 
                                        memset(&m, 0, sizeof(m));
@@ -2222,8 +2206,6 @@ static void R_Shadow_RenderSurfacesLighting_Light_Dot3(const entity_render_t *en
                                        GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
                                        R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements);
                                        GL_LockArrays(0, 0);
-                                       c_rt_lightmeshes++;
-                                       c_rt_lighttris += surface->num_triangles;
 
                                        memset(&m, 0, sizeof(m));
                                        m.pointer_vertex = rsurface_vertex3f;
@@ -2262,8 +2244,6 @@ static void R_Shadow_RenderSurfacesLighting_Light_Dot3(const entity_render_t *en
                                        GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
                                        R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements);
                                        GL_LockArrays(0, 0);
-                                       c_rt_lightmeshes++;
-                                       c_rt_lighttris += surface->num_triangles;
 
                                        memset(&m, 0, sizeof(m));
                                        m.pointer_vertex = rsurface_vertex3f;
@@ -2276,11 +2256,7 @@ static void R_Shadow_RenderSurfacesLighting_Light_Dot3(const entity_render_t *en
                                        // 0.25 * 0.25 = 0.0625 (this is another pass)
                                        // 0.0625 * 0.0625 = 0.00390625 (this is another pass)
                                        R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements);
-                                       c_rt_lightmeshes++;
-                                       c_rt_lighttris += surface->num_triangles;
                                        R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements);
-                                       c_rt_lightmeshes++;
-                                       c_rt_lighttris += surface->num_triangles;
                                        GL_LockArrays(0, 0);
 
                                        memset(&m, 0, sizeof(m));
@@ -2317,8 +2293,6 @@ static void R_Shadow_RenderSurfacesLighting_Light_Dot3(const entity_render_t *en
                                        GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
                                        R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements);
                                        GL_LockArrays(0, 0);
-                                       c_rt_lightmeshes++;
-                                       c_rt_lighttris += surface->num_triangles;
 
                                        memset(&m, 0, sizeof(m));
                                        m.pointer_vertex = rsurface_vertex3f;
@@ -2331,11 +2305,7 @@ static void R_Shadow_RenderSurfacesLighting_Light_Dot3(const entity_render_t *en
                                        // 0.25 * 0.25 = 0.0625 (this is another pass)
                                        // 0.0625 * 0.0625 = 0.00390625 (this is another pass)
                                        R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements);
-                                       c_rt_lightmeshes++;
-                                       c_rt_lighttris += surface->num_triangles;
                                        R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements);
-                                       c_rt_lightmeshes++;
-                                       c_rt_lighttris += surface->num_triangles;
                                        GL_LockArrays(0, 0);
 
                                        memset(&m, 0, sizeof(m));
@@ -2361,8 +2331,6 @@ static void R_Shadow_RenderSurfacesLighting_Light_Dot3(const entity_render_t *en
                                        GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
                                        R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements);
                                        GL_LockArrays(0, 0);
-                                       c_rt_lightmeshes++;
-                                       c_rt_lighttris += surface->num_triangles;
 
                                        memset(&m, 0, sizeof(m));
                                        m.pointer_vertex = rsurface_vertex3f;
@@ -2390,8 +2358,6 @@ static void R_Shadow_RenderSurfacesLighting_Light_Dot3(const entity_render_t *en
                                {
                                        GL_Color(bound(0, color2[0], 1), bound(0, color2[1], 1), bound(0, color2[2], 1), 1);
                                        R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements);
-                                       c_rt_lightmeshes++;
-                                       c_rt_lighttris += surface->num_triangles;
                                }
                                GL_LockArrays(0, 0);
                        }
@@ -2481,19 +2447,69 @@ static void R_Shadow_RenderSurfacesLighting_Light_Vertex(const entity_render_t *
 #endif
                        }
                }
+               R_Shadow_RenderSurfacesLighting_Light_Vertex_Shading(surface, diffusecolor2, ambientcolor2, 0, modelorg);
                for (renders = 0;renders < 64 && (ambientcolor2[0] > renders || ambientcolor2[1] > renders || ambientcolor2[2] > renders || diffusecolor2[0] > renders || diffusecolor2[1] > renders || diffusecolor2[2] > renders);renders++)
                {
-                       if (r_textureunits.integer >= 3)
-                               R_Shadow_VertexShading(surface, diffusecolor2, ambientcolor2, renders);
-                       else if (r_textureunits.integer >= 2)
-                               R_Shadow_VertexShadingWithZAttenuation(surface, diffusecolor2, ambientcolor2, renders);
-                       else
-                               R_Shadow_VertexShadingWithXYZAttenuation(surface, diffusecolor2, ambientcolor2, renders);
+                       int i;
+                       float *c;
+#if 1
+                       // due to low fillrate on the cards this vertex lighting path is
+                       // designed for, we manually cull all triangles that do not
+                       // contain a lit vertex
+                       int draw;
+                       const int *e;
+                       int newnumtriangles;
+                       int *newe;
+                       int newelements[3072];
+                       draw = false;
+                       newnumtriangles = 0;
+                       newe = newelements;
+                       for (i = 0, e = elements;i < surface->num_triangles;i++, e += 3)
+                       {
+                               if (newnumtriangles >= 1024)
+                               {
+                                       GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
+                                       R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, newnumtriangles, newelements);
+                                       GL_LockArrays(0, 0);
+                                       newnumtriangles = 0;
+                                       newe = newelements;
+                               }
+                               if (VectorLength2(varray_color4f + e[0] * 4) + VectorLength2(varray_color4f + e[1] * 4) + VectorLength2(varray_color4f + e[2] * 4) >= 0.01)
+                               {
+                                       newe[0] = e[0];
+                                       newe[1] = e[1];
+                                       newe[2] = e[2];
+                                       newnumtriangles++;
+                                       newe += 3;
+                                       draw = true;
+                               }
+                       }
+                       if (newnumtriangles >= 1)
+                       {
+                               GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
+                               R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, newnumtriangles, newelements);
+                               GL_LockArrays(0, 0);
+                               draw = true;
+                       }
+                       if (!draw)
+                               break;
+#else
+                       for (i = 0, c = varray_color4f + 4 * surface->num_firstvertex;i < surface->num_vertices;i++, c += 4)
+                               if (VectorLength2(c))
+                                       goto goodpass;
+                       break;
+goodpass:
                        GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
                        R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements);
                        GL_LockArrays(0, 0);
-                       c_rt_lightmeshes++;
-                       c_rt_lighttris += surface->num_triangles;
+#endif
+                       // now reduce the intensity for the next overbright pass
+                       for (i = 0, c = varray_color4f + 4 * surface->num_firstvertex;i < surface->num_vertices;i++, c += 4)
+                       {
+                               c[0] = max(0, c[0] - 1);
+                               c[1] = max(0, c[1] - 1);
+                               c[2] = max(0, c[2] - 1);
+                       }
                }
        }
 }
@@ -2521,10 +2537,11 @@ void R_Shadow_RenderSurfacesLighting(const entity_render_t *ent, const texture_t
        }
 }
 
-void R_RTLight_UpdateFromDLight(rtlight_t *rtlight, const dlight_t *light, int isstatic)
+void R_RTLight_Update(dlight_t *light, int isstatic)
 {
        int j, k;
        float scale;
+       rtlight_t *rtlight = &light->rtlight;
        R_RTLight_Uncompile(rtlight);
        memset(rtlight, 0, sizeof(*rtlight));
 
@@ -2563,7 +2580,7 @@ void R_RTLight_UpdateFromDLight(rtlight_t *rtlight, const dlight_t *light, int i
 
        rtlight->lightmap_cullradius = bound(0, rtlight->radius, 2048.0f);
        rtlight->lightmap_cullradius2 = rtlight->lightmap_cullradius * rtlight->lightmap_cullradius;
-       VectorScale(rtlight->color, rtlight->radius * (rtlight->style >= 0 ? d_lightstylevalue[rtlight->style] : 128) * 0.125f, rtlight->lightmap_light);
+       VectorScale(rtlight->color, rtlight->radius * (rtlight->style >= 0 ? r_refdef.lightstylevalue[rtlight->style] : 128) * 0.125f, rtlight->lightmap_light);
        rtlight->lightmap_subtract = 1.0f / rtlight->lightmap_cullradius2;
 }
 
@@ -2574,7 +2591,7 @@ void R_RTLight_Compile(rtlight_t *rtlight)
        int shadowmeshes, shadowtris, numleafs, numleafpvsbytes, numsurfaces;
        entity_render_t *ent = r_refdef.worldentity;
        model_t *model = r_refdef.worldmodel;
-       qbyte *data;
+       unsigned char *data;
 
        // compile the light
        rtlight->compiled = true;
@@ -2598,13 +2615,13 @@ void R_RTLight_Compile(rtlight_t *rtlight)
                R_Shadow_EnlargeLeafSurfaceBuffer(model->brush.num_leafs, model->num_surfaces);
                model->GetLightInfo(ent, rtlight->shadoworigin, rtlight->radius, rtlight->cullmins, rtlight->cullmaxs, r_shadow_buffer_leaflist, r_shadow_buffer_leafpvs, &numleafs, r_shadow_buffer_surfacelist, r_shadow_buffer_surfacepvs, &numsurfaces);
                numleafpvsbytes = (model->brush.num_leafs + 7) >> 3;
-               data = Mem_Alloc(r_shadow_mempool, sizeof(int) * numleafs + numleafpvsbytes + sizeof(int) * numsurfaces);
+               data = (unsigned char *)Mem_Alloc(r_shadow_mempool, sizeof(int) * numleafs + numleafpvsbytes + sizeof(int) * numsurfaces);
                rtlight->static_numleafs = numleafs;
                rtlight->static_numleafpvsbytes = numleafpvsbytes;
-               rtlight->static_leaflist = (void *)data;data += sizeof(int) * numleafs;
-               rtlight->static_leafpvs = (void *)data;data += numleafpvsbytes;
+               rtlight->static_leaflist = (int *)data;data += sizeof(int) * numleafs;
+               rtlight->static_leafpvs = (unsigned char *)data;data += numleafpvsbytes;
                rtlight->static_numsurfaces = numsurfaces;
-               rtlight->static_surfacelist = (void *)data;data += sizeof(int) * numsurfaces;
+               rtlight->static_surfacelist = (int *)data;data += sizeof(int) * numsurfaces;
                if (numleafs)
                        memcpy(rtlight->static_leaflist, r_shadow_buffer_leaflist, rtlight->static_numleafs * sizeof(*rtlight->static_leaflist));
                if (numleafpvsbytes)
@@ -2676,6 +2693,7 @@ void R_Shadow_DrawEntityShadow(entity_render_t *ent, rtlight_t *rtlight, int num
                        R_Mesh_Matrix(&ent->matrix);
                        for (mesh = rtlight->static_meshchain_shadow;mesh;mesh = mesh->next)
                        {
+                               renderstats.lights_shadowtriangles += mesh->numtriangles;
                                R_Mesh_VertexPointer(mesh->vertex3f);
                                GL_LockArrays(0, mesh->numverts);
                                if (r_shadowstage == R_SHADOWSTAGE_STENCIL)
@@ -2684,15 +2702,11 @@ void R_Shadow_DrawEntityShadow(entity_render_t *ent, rtlight_t *rtlight, int num
                                        qglCullFace(GL_BACK); // quake is backwards, this culls front faces
                                        qglStencilOp(GL_KEEP, GL_DECR, GL_KEEP);
                                        R_Mesh_Draw(0, mesh->numverts, mesh->numtriangles, mesh->element3i);
-                                       c_rtcached_shadowmeshes++;
-                                       c_rtcached_shadowtris += mesh->numtriangles;
                                        // increment stencil if frontface is behind depthbuffer
                                        qglCullFace(GL_FRONT); // quake is backwards, this culls back faces
                                        qglStencilOp(GL_KEEP, GL_INCR, GL_KEEP);
                                }
                                R_Mesh_Draw(0, mesh->numverts, mesh->numtriangles, mesh->element3i);
-                               c_rtcached_shadowmeshes++;
-                               c_rtcached_shadowtris += mesh->numtriangles;
                                GL_LockArrays(0, 0);
                        }
                }
@@ -2758,7 +2772,7 @@ void R_DrawRTLight(rtlight_t *rtlight, qboolean visible)
        vec3_t lightcolor;
        int numleafs, numsurfaces;
        int *leaflist, *surfacelist;
-       qbyte *leafpvs;
+       unsigned char *leafpvs;
        int numlightentities;
        int numshadowentities;
        entity_render_t *lightentities[MAX_EDICTS];
@@ -2768,7 +2782,7 @@ void R_DrawRTLight(rtlight_t *rtlight, qboolean visible)
        if (rtlight->ambientscale + rtlight->diffusescale + rtlight->specularscale < (1.0f / 32768.0f))
                return;
 
-       f = (rtlight->style >= 0 ? d_lightstylevalue[rtlight->style] : 128) * (1.0f / 256.0f) * r_shadow_lightintensityscale.value;
+       f = (rtlight->style >= 0 ? r_refdef.lightstylevalue[rtlight->style] : 128) * (1.0f / 256.0f) * r_shadow_lightintensityscale.value;
        VectorScale(rtlight->color, f, lightcolor);
        if (VectorLength2(lightcolor) < (1.0f / 32768.0f))
                return;
@@ -2868,7 +2882,7 @@ void R_DrawRTLight(rtlight_t *rtlight, qboolean visible)
                return;
 
        R_Shadow_Stage_ActiveLight(rtlight);
-       c_rt_lights++;
+       renderstats.lights++;
 
        usestencil = false;
        if (numshadowentities && (!visible || r_shadow_visiblelighting.integer == 1) && gl_stencil && rtlight->shadow && (rtlight->isstatic ? r_rtworldshadows : r_rtdlightshadows))
@@ -2923,8 +2937,8 @@ void R_ShadowVolumeLighting(qboolean visible)
                        if (light->flags & flag)
                                R_DrawRTLight(&light->rtlight, visible);
        if (r_rtdlight)
-               for (lnum = 0, light = r_dlight;lnum < r_numdlights;lnum++, light++)
-                       R_DrawRTLight(&light->rtlight, visible);
+               for (lnum = 0;lnum < r_refdef.numlights;lnum++)
+                       R_DrawRTLight(&r_refdef.lights[lnum]->rtlight, visible);
 
        R_Shadow_Stage_End();
 }
@@ -2969,7 +2983,7 @@ static int componentorder[4] = {0, 1, 2, 3};
 rtexture_t *R_Shadow_LoadCubemap(const char *basename)
 {
        int i, j, cubemapsize;
-       qbyte *cubemappixels, *image_rgba;
+       unsigned char *cubemappixels, *image_rgba;
        rtexture_t *cubemaptexture;
        char name[256];
        // must start 0 so the first loadimagepixels has no requested width/height
@@ -2995,7 +3009,7 @@ rtexture_t *R_Shadow_LoadCubemap(const char *basename)
                                        {
                                                cubemapsize = image_width;
                                                // note this clears to black, so unavailable sides are black
-                                               cubemappixels = Mem_Alloc(tempmempool, 6*cubemapsize*cubemapsize*4);
+                                               cubemappixels = (unsigned char *)Mem_Alloc(tempmempool, 6*cubemapsize*cubemapsize*4);
                                        }
                                        // copy the image with any flipping needed by the suffix (px and posx types don't need flipping)
                                        if (cubemappixels)
@@ -3052,7 +3066,7 @@ void R_Shadow_FreeCubemaps(void)
 dlight_t *R_Shadow_NewWorldLight(void)
 {
        dlight_t *light;
-       light = Mem_Alloc(r_shadow_mempool, sizeof(dlight_t));
+       light = (dlight_t *)Mem_Alloc(r_shadow_mempool, sizeof(dlight_t));
        light->next = r_shadow_worldlightchain;
        r_shadow_worldlightchain = light;
        return light;
@@ -3086,7 +3100,7 @@ void R_Shadow_UpdateWorldLight(dlight_t *light, vec3_t origin, vec3_t angles, ve
        light->flags = flags;
        Matrix4x4_CreateFromQuakeEntity(&light->matrix, light->origin[0], light->origin[1], light->origin[2], light->angles[0], light->angles[1], light->angles[2], 1);
 
-       R_RTLight_UpdateFromDLight(&light->rtlight, light, true);
+       R_RTLight_Update(light, true);
 }
 
 void R_Shadow_FreeWorldLight(dlight_t *light)
@@ -3120,20 +3134,20 @@ void R_Shadow_SelectLight(dlight_t *light)
 void R_Shadow_DrawCursorCallback(const void *calldata1, int calldata2)
 {
        float scale = r_editlights_cursorgrid.value * 0.5f;
-       R_DrawSprite(GL_SRC_ALPHA, GL_ONE, lighttextures[0], false, r_editlights_cursorlocation, r_viewright, r_viewup, scale, -scale, -scale, scale, 1, 1, 1, 0.5f);
+       R_DrawSprite(GL_ONE, GL_ONE, lighttextures[0], NULL, false, r_editlights_cursorlocation, r_viewright, r_viewup, scale, -scale, -scale, scale, 1, 1, 1, 0.5f);
 }
 
 void R_Shadow_DrawLightSpriteCallback(const void *calldata1, int calldata2)
 {
        float intensity;
        const dlight_t *light;
-       light = calldata1;
+       light = (dlight_t *)calldata1;
        intensity = 0.5;
        if (light->selected)
                intensity = 0.75 + 0.25 * sin(realtime * M_PI * 4.0);
        if (!light->shadow)
                intensity *= 0.5f;
-       R_DrawSprite(GL_SRC_ALPHA, GL_ONE, lighttextures[calldata2], false, light->origin, r_viewright, r_viewup, 8, -8, -8, 8, intensity, intensity, intensity, 0.5);
+       R_DrawSprite(GL_ONE, GL_ONE, lighttextures[calldata2], NULL, false, light->origin, r_viewright, r_viewup, 8, -8, -8, 8, intensity, intensity, intensity, 0.5);
 }
 
 void R_Shadow_DrawLightSprites(void)
@@ -3298,7 +3312,7 @@ void R_Shadow_SaveWorldLights(void)
                {
                        bufmaxchars = bufchars + strlen(line) + 2048;
                        oldbuf = buf;
-                       buf = Mem_Alloc(tempmempool, bufmaxchars);
+                       buf = (char *)Mem_Alloc(tempmempool, bufmaxchars);
                        if (oldbuf)
                        {
                                if (bufchars)