]> git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - gl_rmain.c
fix in entity teleport detection of FlyMove
[xonotic/darkplaces.git] / gl_rmain.c
index 7cae34d3e374b9e4a81332a8b6401469fd41d2d9..9dd6a5327ab2f232d07781ac025a482990dea982 100644 (file)
@@ -87,6 +87,11 @@ cvar_t r_cullentities_trace_enlarge = {0, "r_cullentities_trace_enlarge", "0", "
 cvar_t r_cullentities_trace_delay = {0, "r_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
 cvar_t r_speeds = {0, "r_speeds","0", "displays rendering statistics and per-subsystem timings"};
 cvar_t r_fullbright = {0, "r_fullbright","0", "makes map very bright and renders faster"};
+
+cvar_t r_fakelight = {0, "r_fakelight","0", "render 'fake' lighting instead of real lightmaps"};
+cvar_t r_fakelight_intensity = {0, "r_fakelight_intensity","0.75", "fakelight intensity modifier"};
+#define FAKELIGHT_ENABLED (r_fakelight.integer >= 2 || (r_fakelight.integer && r_refdef.scene.worldmodel && !r_refdef.scene.worldmodel->lit))
+
 cvar_t r_wateralpha = {CVAR_SAVE, "r_wateralpha","1", "opacity of water polygons"};
 cvar_t r_dynamic = {CVAR_SAVE, "r_dynamic","1", "enables dynamic lights (rocket glow and such)"};
 cvar_t r_fullbrights = {CVAR_SAVE, "r_fullbrights", "1", "enables glowing pixels in quake textures (changes need r_restart to take effect)"};
@@ -144,6 +149,7 @@ cvar_t r_water_clippingplanebias = {CVAR_SAVE, "r_water_clippingplanebias", "1",
 cvar_t r_water_resolutionmultiplier = {CVAR_SAVE, "r_water_resolutionmultiplier", "0.5", "multiplier for screen resolution when rendering refracted/reflected scenes, 1 is full quality, lower values are faster"};
 cvar_t r_water_refractdistort = {CVAR_SAVE, "r_water_refractdistort", "0.01", "how much water refractions shimmer"};
 cvar_t r_water_reflectdistort = {CVAR_SAVE, "r_water_reflectdistort", "0.01", "how much water reflections shimmer"};
+cvar_t r_water_scissormode = {0, "r_water_scissormode", "3", "scissor (1) or cull (2) or both (3) water renders"};
 
 cvar_t r_lerpsprites = {CVAR_SAVE, "r_lerpsprites", "0", "enables animation smoothing on sprites"};
 cvar_t r_lerpmodels = {CVAR_SAVE, "r_lerpmodels", "1", "enables animation smoothing on models"};
@@ -179,6 +185,7 @@ cvar_t r_overheadsprites_perspective = {CVAR_SAVE, "r_overheadsprites_perspectiv
 cvar_t r_overheadsprites_pushback = {CVAR_SAVE, "r_overheadsprites_pushback", "16", "how far to pull the SPR_OVERHEAD sprites toward the eye (used to avoid intersections with 3D models)"};
 
 cvar_t r_glsl_saturation = {CVAR_SAVE, "r_glsl_saturation", "1", "saturation multiplier (only working in glsl!)"};
+cvar_t r_glsl_saturation_redcompensate = {CVAR_SAVE, "r_glsl_saturation_redcompensate", "0", "a 'vampire sight' addition to desaturation effect, does compensation for red color, r_glsl_restart is required"};
 
 cvar_t r_framedatasize = {CVAR_SAVE, "r_framedatasize", "1", "size of renderer data cache used during one frame (for skeletal animation caching, light processing, etc)"};
 
@@ -570,7 +577,7 @@ static const char *builtinshaderstring =
 "#if defined(MODE_LIGHTMAP) || defined(MODE_LIGHTDIRECTIONMAP_MODELSPACE) || defined(MODE_LIGHTDIRECTIONMAP_TANGENTSPACE)\n"
 "#define USELIGHTMAP\n"
 "#endif\n"
-"#if defined(USESPECULAR) || defined(USEOFFSETMAPPING) || defined(USEREFLECTCUBE)\n"
+"#if defined(USESPECULAR) || defined(USEOFFSETMAPPING) || defined(USEREFLECTCUBE) || defined(MODE_FAKELIGHT)\n"
 "#define USEEYEVECTOR\n"
 "#endif\n"
 "\n"
@@ -737,8 +744,16 @@ static const char *builtinshaderstring =
 "#ifdef USESATURATION\n"
 "      //apply saturation BEFORE gamma ramps, so v_glslgamma value does not matter\n"
 "      float y = dot(gl_FragColor.rgb, vec3(0.299, 0.587, 0.114));\n"
-"      //gl_FragColor = vec3(y) + (gl_FragColor.rgb - vec3(y)) * Saturation;\n"
-"      gl_FragColor.rgb = mix(vec3(y), gl_FragColor.rgb, Saturation);\n"
+"      // 'vampire sight' effect, wheres red is compensated\n"
+"      #ifdef SATURATION_REDCOMPENSATE\n"
+"              float rboost = max(0.0, (gl_FragColor.r - max(gl_FragColor.g, gl_FragColor.b))*(1.0 - Saturation));\n"
+"              gl_FragColor.rgb = mix(vec3(y), gl_FragColor.rgb, Saturation);\n"
+"              gl_FragColor.r += rboost;\n"
+"      #else\n"
+"              // normal desaturation\n"
+"              //gl_FragColor = vec3(y) + (gl_FragColor.rgb - vec3(y)) * Saturation;\n"
+"              gl_FragColor.rgb = mix(vec3(y), gl_FragColor.rgb, Saturation);\n"
+"      #endif\n"
 "#endif\n"
 "\n"
 "#ifdef USEGAMMARAMPS\n"
@@ -881,7 +896,7 @@ static const char *builtinshaderstring =
 "      f      *= min(1.0, length(texture2D(Texture_Refraction, ScreenTexCoord + vec2(-0.01, 0.01)).rgb) / 0.05);\n"
 "      f      *= min(1.0, length(texture2D(Texture_Refraction, ScreenTexCoord + vec2(-0.01, -0.01)).rgb) / 0.05);\n"
 "      ScreenTexCoord = mix(SafeScreenTexCoord, ScreenTexCoord, f);\n"
-"      gl_FragColor = texture2D(Texture_Refraction, ScreenTexCoord) * RefractColor;\n"
+"      gl_FragColor = vec4(texture2D(Texture_Refraction, ScreenTexCoord).rgb, 1.0) * RefractColor;\n"
 "}\n"
 "#endif\n"
 "#else // !MODE_REFRACTION\n"
@@ -921,6 +936,10 @@ static const char *builtinshaderstring =
 "uniform vec4 ReflectColor;\n"
 "uniform float ReflectFactor;\n"
 "uniform float ReflectOffset;\n"
+"uniform float ClientTime;\n"
+"#ifdef USENORMALMAPSCROLLBLEND\n"
+"uniform vec2 NormalmapScrollBlend;\n"
+"#endif\n"
 "\n"
 "void main(void)\n"
 "{\n"
@@ -928,24 +947,32 @@ static const char *builtinshaderstring =
 "      //vec4 ScreenTexCoord = (ModelViewProjectionPosition.xyxy + normalize(vec3(texture2D(Texture_Normal, TexCoord)) - vec3(0.5)).xyxy * DistortScaleRefractReflect * 100) * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect;\n"
 "      vec4 SafeScreenTexCoord = ModelViewProjectionPosition.xyxy * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect;\n"
 "      //SafeScreenTexCoord = gl_FragCoord.xyxy * vec4(1.0 / 1920.0, 1.0 / 1200.0, 1.0 / 1920.0, 1.0 / 1200.0);\n"
-"      vec4 ScreenTexCoord = SafeScreenTexCoord + vec2(normalize(vec3(texture2D(Texture_Normal, TexCoord)) - vec3(0.5))).xyxy * DistortScaleRefractReflect;\n"
+"      // slight water animation via 2 layer scrolling (todo: tweak)\n"
+"      #ifdef USENORMALMAPSCROLLBLEND\n"
+"              vec3 normal = texture2D(Texture_Normal, (TexCoord + vec2(0.08, 0.08)*ClientTime*NormalmapScrollBlend.x*0.5)*NormalmapScrollBlend.y).rgb - vec3(1.0);\n"
+"              normal += texture2D(Texture_Normal, (TexCoord + vec2(-0.06, -0.09)*ClientTime*NormalmapScrollBlend.x)*NormalmapScrollBlend.y*0.75).rgb;\n"
+"              vec4 ScreenTexCoord = SafeScreenTexCoord + vec2(normalize(normal) + vec3(0.15)).xyxy * DistortScaleRefractReflect;\n"
+"      #else\n"
+"              vec4 ScreenTexCoord = SafeScreenTexCoord + vec2(normalize(vec3(texture2D(Texture_Normal, TexCoord)) - vec3(0.5))).xyxy * DistortScaleRefractReflect;\n"
+"      #endif\n"
 "      // FIXME temporary hack to detect the case that the reflection\n"
 "      // gets blackened at edges due to leaving the area that contains actual\n"
 "      // content.\n"
 "      // Remove this 'ack once we have a better way to stop this thing from\n"
 "      // 'appening.\n"
-"      float f = min(1.0, length(texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(0.01, 0.01)).rgb) / 0.05);\n"
-"      f      *= min(1.0, length(texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(0.01, -0.01)).rgb) / 0.05);\n"
-"      f      *= min(1.0, length(texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(-0.01, 0.01)).rgb) / 0.05);\n"
-"      f      *= min(1.0, length(texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(-0.01, -0.01)).rgb) / 0.05);\n"
-"      ScreenTexCoord.xy = mix(SafeScreenTexCoord.xy, ScreenTexCoord.xy, f);\n"
-"      f       = min(1.0, length(texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(0.01, 0.01)).rgb) / 0.05);\n"
-"      f      *= min(1.0, length(texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(0.01, -0.01)).rgb) / 0.05);\n"
-"      f      *= min(1.0, length(texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(-0.01, 0.01)).rgb) / 0.05);\n"
-"      f      *= min(1.0, length(texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(-0.01, -0.01)).rgb) / 0.05);\n"
+"      float f1 = min(1.0, length(texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(0.005, 0.01)).rgb) / 0.002);\n"
+"      f1      *= min(1.0, length(texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(0.005, -0.01)).rgb) / 0.002);\n"
+"      f1      *= min(1.0, length(texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(-0.005, 0.01)).rgb) / 0.002);\n"
+"      f1      *= min(1.0, length(texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(-0.005, -0.01)).rgb) / 0.002);\n"
+"      ScreenTexCoord.xy = mix(SafeScreenTexCoord.xy, ScreenTexCoord.xy, f1);\n"
+"      float f = min(1.0, length(texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(0.005, 0.005)).rgb) / 0.002);\n"
+"      f      *= min(1.0, length(texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(0.005, -0.005)).rgb) / 0.002);\n"
+"      f      *= min(1.0, length(texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(-0.005, 0.005)).rgb) / 0.002);\n"
+"      f      *= min(1.0, length(texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(-0.005, -0.005)).rgb) / 0.002);\n"
 "      ScreenTexCoord.zw = mix(SafeScreenTexCoord.zw, ScreenTexCoord.zw, f);\n"
 "      float Fresnel = pow(min(1.0, 1.0 - float(normalize(EyeVector).z)), 2.0) * ReflectFactor + ReflectOffset;\n"
-"      gl_FragColor = mix(texture2D(Texture_Refraction, ScreenTexCoord.xy) * RefractColor, texture2D(Texture_Reflection, ScreenTexCoord.zw) * ReflectColor, Fresnel);\n"
+"      gl_FragColor = mix(vec4(texture2D(Texture_Refraction, ScreenTexCoord.xy).rgb, 1) * RefractColor, vec4(texture2D(Texture_Reflection, ScreenTexCoord.zw).rgb, 1) * ReflectColor, Fresnel);\n"
+"      gl_FragColor.a = f1 + 0.5;\n"
 "}\n"
 "#endif\n"
 "#else // !MODE_WATER\n"
@@ -1745,6 +1772,15 @@ static const char *builtinshaderstring =
 "\n"
 "\n"
 "\n"
+"#ifdef MODE_FAKELIGHT\n"
+"#define SHADING\n"
+"myhalf3 lightnormal = myhalf3(normalize(EyeVector));\n"
+"myhalf3 lightcolor = myhalf3(1.0);\n"
+"#endif // MODE_FAKELIGHT\n"
+"\n"
+"\n"
+"\n"
+"\n"
 "#ifdef MODE_LIGHTMAP\n"
 "      color.rgb = diffusetex * (Color_Ambient + myhalf3(texture2D(Texture_Lightmap, TexCoordLightmap)) * Color_Diffuse);\n"
 "#endif // MODE_LIGHTMAP\n"
@@ -1877,7 +1913,7 @@ const char *builtincgshaderstring =
 "#if defined(MODE_LIGHTMAP) || defined(MODE_LIGHTDIRECTIONMAP_MODELSPACE) || defined(MODE_LIGHTDIRECTIONMAP_TANGENTSPACE)\n"
 "#define USELIGHTMAP\n"
 "#endif\n"
-"#if defined(USESPECULAR) || defined(USEOFFSETMAPPING) || defined(USEREFLECTCUBE)\n"
+"#if defined(USESPECULAR) || defined(USEOFFSETMAPPING) || defined(USEREFLECTCUBE) || defined(MODE_FAKELIGHT)\n"
 "#define USEEYEVECTOR\n"
 "#endif\n"
 "\n"
@@ -2003,8 +2039,16 @@ const char *builtincgshaderstring =
 "#ifdef USESATURATION\n"
 "      //apply saturation BEFORE gamma ramps, so v_glslgamma value does not matter\n"
 "      float y = dot(gl_FragColor.rgb, float3(0.299, 0.587, 0.114));\n"
-"      //gl_FragColor = float3(y) + (gl_FragColor.rgb - float3(y)) * Saturation;\n"
-"      gl_FragColor.rgb = lerp(float3(y), gl_FragColor.rgb, Saturation);\n"
+"      // 'vampire sight' effect, wheres red is compensated\n"
+"      #ifdef SATURATION_REDCOMPENSATE\n"
+"              float rboost = max(0.0, (gl_FragColor.r - max(gl_FragColor.g, gl_FragColor.b))*(1.0 - Saturation));\n"
+"              gl_FragColor.rgb = mix(float3(y,y,y), gl_FragColor.rgb, Saturation);\n"
+"              gl_FragColor.r += r;\n"
+"      #else\n"
+"              // normal desaturation\n"
+"              //gl_FragColor = float3(y,y,y) + (gl_FragColor.rgb - float3(y)) * Saturation;\n"
+"              gl_FragColor.rgb = lerp(float3(y,y,y), gl_FragColor.rgb, Saturation);\n"
+"      #endif\n"
 "#endif\n"
 "\n"
 "#ifdef USEGAMMARAMPS\n"
@@ -2175,7 +2219,7 @@ const char *builtincgshaderstring =
 "      f      *= min(1.0, length(tex2D(Texture_Refraction, ScreenTexCoord + float2(-0.01, 0.01)).rgb) / 0.05);\n"
 "      f      *= min(1.0, length(tex2D(Texture_Refraction, ScreenTexCoord + float2(-0.01, -0.01)).rgb) / 0.05);\n"
 "      ScreenTexCoord = lerp(SafeScreenTexCoord, ScreenTexCoord, f);\n"
-"      gl_FragColor = tex2D(Texture_Refraction, ScreenTexCoord) * RefractColor;\n"
+"      gl_FragColor = float4(tex2D(Texture_Refraction, ScreenTexCoord).rgb, 1) * RefractColor;\n"
 "}\n"
 "#endif\n"
 "#else // !MODE_REFRACTION\n"
@@ -2248,7 +2292,7 @@ const char *builtincgshaderstring =
 "      f      *= min(1.0, length(tex2D(Texture_Reflection, ScreenTexCoord.zw + float2(-0.01, -0.01)).rgb) / 0.05);\n"
 "      ScreenTexCoord.zw = lerp(SafeScreenTexCoord.zw, ScreenTexCoord.zw, f);\n"
 "      float Fresnel = pow(min(1.0, 1.0 - float(normalize(EyeVector).z)), 2.0) * ReflectFactor + ReflectOffset;\n"
-"      gl_FragColor = lerp(tex2D(Texture_Refraction, ScreenTexCoord.xy) * RefractColor, tex2D(Texture_Reflection, ScreenTexCoord.zw) * ReflectColor, Fresnel);\n"
+"      gl_FragColor = lerp(float4(tex2D(Texture_Refraction, ScreenTexCoord.xy).rgb, 1) * RefractColor, float4(tex2D(Texture_Reflection, ScreenTexCoord.zw).rgb, 1) * ReflectColor, Fresnel);\n"
 "}\n"
 "#endif\n"
 "#else // !MODE_WATER\n"
@@ -3217,6 +3261,15 @@ const char *builtincgshaderstring =
 "\n"
 "\n"
 "\n"
+"#ifdef MODE_FAKELIGHT\n"
+"#define SHADING\n"
+"half3 lightnormal = half3(normalize(EyeVector));\n"
+"half3 lightcolor = half3(1.0);\n"
+"#endif // MODE_FAKELIGHT\n"
+"\n"
+"\n"
+"\n"
+"\n"
 "#ifdef MODE_LIGHTMAP\n"
 "      color.rgb = diffusetex * (Color_Ambient + half3(tex2D(Texture_Lightmap, TexCoordLightmap)) * Color_Diffuse);\n"
 "#endif // MODE_LIGHTMAP\n"
@@ -3350,21 +3403,21 @@ typedef enum shaderpermutation_e
        SHADERPERMUTATION_BLOOM = 1<<11, ///< bloom (postprocessing only)
        SHADERPERMUTATION_SPECULAR = 1<<12, ///< (lightsource or deluxemapping) render specular effects
        SHADERPERMUTATION_POSTPROCESSING = 1<<13, ///< user defined postprocessing (postprocessing only)
-       SHADERPERMUTATION_EXACTSPECULARMATH = 1<<14, ///< (lightsource or deluxemapping) use exact reflection map for specular effects, as opposed to the usual OpenGL approximation
-       SHADERPERMUTATION_REFLECTION = 1<<15, ///< normalmap-perturbed reflection of the scene infront of the surface, preformed as an overlay on the surface
-       SHADERPERMUTATION_OFFSETMAPPING = 1<<16, ///< adjust texcoords to roughly simulate a displacement mapped surface
-       SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING = 1<<17, ///< adjust texcoords to accurately simulate a displacement mapped surface (requires OFFSETMAPPING to also be set!)
-       SHADERPERMUTATION_SHADOWMAPRECT = 1<<18, ///< (lightsource) use shadowmap rectangle texture as light filter
-       SHADERPERMUTATION_SHADOWMAPCUBE = 1<<19, ///< (lightsource) use shadowmap cubemap texture as light filter
-       SHADERPERMUTATION_SHADOWMAP2D = 1<<20, ///< (lightsource) use shadowmap rectangle texture as light filter
-       SHADERPERMUTATION_SHADOWMAPPCF = 1<<21, ///< (lightsource) use percentage closer filtering on shadowmap test results
-       SHADERPERMUTATION_SHADOWMAPPCF2 = 1<<22, ///< (lightsource) use higher quality percentage closer filtering on shadowmap test results
-       SHADERPERMUTATION_SHADOWSAMPLER = 1<<23, ///< (lightsource) use hardware shadowmap test
-       SHADERPERMUTATION_SHADOWMAPVSDCT = 1<<24, ///< (lightsource) use virtual shadow depth cube texture for shadowmap indexing
-       SHADERPERMUTATION_SHADOWMAPORTHO = 1<<25, //< (lightsource) use orthographic shadowmap projection
-       SHADERPERMUTATION_DEFERREDLIGHTMAP = 1<<26, ///< (lightmap) read Texture_ScreenDiffuse/Specular textures and add them on top of lightmapping
-       SHADERPERMUTATION_ALPHAKILL = 1<<27, ///< (deferredgeometry) discard pixel if diffuse texture alpha below 0.5
-       SHADERPERMUTATION_REFLECTCUBE = 1<<28, ///< fake reflections using global cubemap (not HDRI light probe)
+       SHADERPERMUTATION_REFLECTION = 1<<14, ///< normalmap-perturbed reflection of the scene infront of the surface, preformed as an overlay on the surface
+       SHADERPERMUTATION_OFFSETMAPPING = 1<<15, ///< adjust texcoords to roughly simulate a displacement mapped surface
+       SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING = 1<<16, ///< adjust texcoords to accurately simulate a displacement mapped surface (requires OFFSETMAPPING to also be set!)
+       SHADERPERMUTATION_SHADOWMAPRECT = 1<<17, ///< (lightsource) use shadowmap rectangle texture as light filter
+       SHADERPERMUTATION_SHADOWMAPCUBE = 1<<18, ///< (lightsource) use shadowmap cubemap texture as light filter
+       SHADERPERMUTATION_SHADOWMAP2D = 1<<19, ///< (lightsource) use shadowmap rectangle texture as light filter
+       SHADERPERMUTATION_SHADOWMAPPCF = 1<<20, ///< (lightsource) use percentage closer filtering on shadowmap test results
+       SHADERPERMUTATION_SHADOWMAPPCF2 = 1<<21, ///< (lightsource) use higher quality percentage closer filtering on shadowmap test results
+       SHADERPERMUTATION_SHADOWSAMPLER = 1<<22, ///< (lightsource) use hardware shadowmap test
+       SHADERPERMUTATION_SHADOWMAPVSDCT = 1<<23, ///< (lightsource) use virtual shadow depth cube texture for shadowmap indexing
+       SHADERPERMUTATION_SHADOWMAPORTHO = 1<<24, //< (lightsource) use orthographic shadowmap projection
+       SHADERPERMUTATION_DEFERREDLIGHTMAP = 1<<25, ///< (lightmap) read Texture_ScreenDiffuse/Specular textures and add them on top of lightmapping
+       SHADERPERMUTATION_ALPHAKILL = 1<<26, ///< (deferredgeometry) discard pixel if diffuse texture alpha below 0.5
+       SHADERPERMUTATION_REFLECTCUBE = 1<<27, ///< fake reflections using global cubemap (not HDRI light probe)
+       SHADERPERMUTATION_NORMALMAPSCROLLBLEND = 1<<28, // (water) counter-direction normalmaps scrolling
        SHADERPERMUTATION_LIMIT = 1<<29, ///< size of permutations array
        SHADERPERMUTATION_COUNT = 29 ///< size of shaderpermutationinfo array
 }
@@ -3387,7 +3440,6 @@ shaderpermutationinfo_t shaderpermutationinfo[SHADERPERMUTATION_COUNT] =
        {"#define USEBLOOM\n", " bloom"},
        {"#define USESPECULAR\n", " specular"},
        {"#define USEPOSTPROCESSING\n", " postprocessing"},
-       {"#define USEEXACTSPECULARMATH\n", " exactspecularmath"},
        {"#define USEREFLECTION\n", " reflection"},
        {"#define USEOFFSETMAPPING\n", " offsetmapping"},
        {"#define USEOFFSETMAPPING_RELIEFMAPPING\n", " reliefmapping"},
@@ -3402,6 +3454,7 @@ shaderpermutationinfo_t shaderpermutationinfo[SHADERPERMUTATION_COUNT] =
        {"#define USEDEFERREDLIGHTMAP\n", " deferredlightmap"},
        {"#define USEALPHAKILL\n", " alphakill"},
        {"#define USEREFLECTCUBE\n", " reflectcube"},
+       {"#define USENORMALMAPSCROLLBLEND\n", " normalmapscrollblend"},
 };
 
 /// this enum is multiplied by SHADERPERMUTATION_MODEBASE
@@ -3413,6 +3466,7 @@ typedef enum shadermode_e
        SHADERMODE_FLATCOLOR, ///< (lightmap) modulate texture by uniform color (q1bsp, q3bsp)
        SHADERMODE_VERTEXCOLOR, ///< (lightmap) modulate texture by vertex colors (q3bsp)
        SHADERMODE_LIGHTMAP, ///< (lightmap) modulate texture by lightmap texture (q1bsp, q3bsp)
+       SHADERMODE_FAKELIGHT, ///< (fakelight) modulate texture by "fake" lighting (no lightmaps, no nothing)
        SHADERMODE_LIGHTDIRECTIONMAP_MODELSPACE, ///< (lightmap) use directional pixel shading from texture containing modelspace light directions (q3bsp deluxemap)
        SHADERMODE_LIGHTDIRECTIONMAP_TANGENTSPACE, ///< (lightmap) use directional pixel shading from texture containing tangentspace light directions (q1bsp deluxemap)
        SHADERMODE_LIGHTDIRECTION, ///< (lightmap) use directional pixel shading from fixed light direction (q3bsp)
@@ -3435,6 +3489,7 @@ shadermodeinfo_t glslshadermodeinfo[SHADERMODE_COUNT] =
        {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_FLATCOLOR\n", " flatcolor"},
        {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_VERTEXCOLOR\n", " vertexcolor"},
        {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_LIGHTMAP\n", " lightmap"},
+       {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_FAKELIGHT\n", " fakelight"},
        {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_LIGHTDIRECTIONMAP_MODELSPACE\n", " lightdirectionmap_modelspace"},
        {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_LIGHTDIRECTIONMAP_TANGENTSPACE\n", " lightdirectionmap_tangentspace"},
        {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_LIGHTDIRECTION\n", " lightdirection"},
@@ -3455,6 +3510,7 @@ shadermodeinfo_t cgshadermodeinfo[SHADERMODE_COUNT] =
        {"cg/default.cg", NULL, "cg/default.cg", "#define MODE_FLATCOLOR\n", " flatcolor"},
        {"cg/default.cg", NULL, "cg/default.cg", "#define MODE_VERTEXCOLOR\n", " vertexcolor"},
        {"cg/default.cg", NULL, "cg/default.cg", "#define MODE_LIGHTMAP\n", " lightmap"},
+       {"cg/default.cg", NULL, "cg/default.cg", "#define MODE_FAKELIGHT\n", " fakelight"},
        {"cg/default.cg", NULL, "cg/default.cg", "#define MODE_LIGHTDIRECTIONMAP_MODELSPACE\n", " lightdirectionmap_modelspace"},
        {"cg/default.cg", NULL, "cg/default.cg", "#define MODE_LIGHTDIRECTIONMAP_TANGENTSPACE\n", " lightdirectionmap_tangentspace"},
        {"cg/default.cg", NULL, "cg/default.cg", "#define MODE_LIGHTDIRECTION\n", " lightdirection"},
@@ -3562,11 +3618,57 @@ typedef struct r_glsl_permutation_s
        int loc_PixelToScreenTexCoord;
        int loc_ModelToReflectCube;
        int loc_ShadowMapMatrix;        
+       int loc_NormalmapScrollBlend;
 }
 r_glsl_permutation_t;
 
 #define SHADERPERMUTATION_HASHSIZE 256
 
+
+// non-degradable "lightweight" shader parameters to keep the permutations simpler
+// these can NOT degrade! only use for simple stuff
+enum
+{
+       SHADERSTATICPARM_SATURATION_REDCOMPENSATE = 0, ///< red compensation filter for saturation
+       SHADERSTATICPARM_EXACTSPECULARMATH = 1, ///< (lightsource or deluxemapping) use exact reflection map for specular effects, as opposed to the usual OpenGL approximation
+};
+#define SHADERSTATICPARMS_COUNT 2
+
+static const char *shaderstaticparmstrings_list[SHADERSTATICPARMS_COUNT];
+static int shaderstaticparms_count = 0;
+
+static unsigned int r_compileshader_staticparms[(SHADERSTATICPARMS_COUNT + 0x1F) >> 5] = {0};
+#define R_COMPILESHADER_STATICPARM_ENABLE(p) r_compileshader_staticparms[(p) >> 5] |= (1 << ((p) & 0x1F))
+qboolean R_CompileShader_CheckStaticParms(void)
+{
+       static int r_compileshader_staticparms_save[1];
+       memcpy(r_compileshader_staticparms_save, r_compileshader_staticparms, sizeof(r_compileshader_staticparms));
+       memset(r_compileshader_staticparms, 0, sizeof(r_compileshader_staticparms));
+
+       // detect all
+       if (r_glsl_saturation_redcompensate.integer)
+               R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_SATURATION_REDCOMPENSATE);
+       if(r_shadow_glossexact.integer)
+               R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_EXACTSPECULARMATH);
+
+       return memcmp(r_compileshader_staticparms, r_compileshader_staticparms_save, sizeof(r_compileshader_staticparms));
+}
+
+#define R_COMPILESHADER_STATICPARM_EMIT(p, n) \
+       if(r_compileshader_staticparms[(p) >> 5] & (1 << ((p) & 0x1F))) \
+               shaderstaticparmstrings_list[shaderstaticparms_count++] = "#define " n "\n"; \
+       else \
+               shaderstaticparmstrings_list[shaderstaticparms_count++] = "\n"
+void R_CompileShader_AddStaticParms(unsigned int mode, unsigned int permutation)
+{
+       shaderstaticparms_count = 0;
+
+       // emit all
+       R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_SATURATION_REDCOMPENSATE, "SATURATION_REDCOMPENSATE");
+       R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_EXACTSPECULARMATH, "USEEXACTSPECULARMATH");
+}
+
+
 /// information about each possible shader permutation
 r_glsl_permutation_t *r_glsl_permutationhash[SHADERMODE_COUNT][SHADERPERMUTATION_HASHSIZE];
 /// currently selected permutation
@@ -3632,14 +3734,14 @@ static void R_GLSL_CompilePermutation(r_glsl_permutation_t *p, unsigned int mode
 {
        int i;
        shadermodeinfo_t *modeinfo = glslshadermodeinfo + mode;
+       char *vertexstring, *geometrystring, *fragmentstring;
+       char permutationname[256];
        int vertstrings_count = 0;
        int geomstrings_count = 0;
        int fragstrings_count = 0;
-       char *vertexstring, *geometrystring, *fragmentstring;
-       const char *vertstrings_list[32+3];
-       const char *geomstrings_list[32+3];
-       const char *fragstrings_list[32+3];
-       char permutationname[256];
+       const char *vertstrings_list[32+3+SHADERSTATICPARMS_COUNT+1];
+       const char *geomstrings_list[32+3+SHADERSTATICPARMS_COUNT+1];
+       const char *fragstrings_list[32+3+SHADERSTATICPARMS_COUNT+1];
 
        if (p->compiled)
                return;
@@ -3684,6 +3786,15 @@ static void R_GLSL_CompilePermutation(r_glsl_permutation_t *p, unsigned int mode
                }
        }
 
+       // add static parms
+       R_CompileShader_AddStaticParms(mode, permutation);
+       memcpy(vertstrings_list + vertstrings_count, shaderstaticparmstrings_list, sizeof(*vertstrings_list) * shaderstaticparms_count);
+       vertstrings_count += shaderstaticparms_count;
+       memcpy(geomstrings_list + geomstrings_count, shaderstaticparmstrings_list, sizeof(*vertstrings_list) * shaderstaticparms_count);
+       geomstrings_count += shaderstaticparms_count;
+       memcpy(fragstrings_list + fragstrings_count, shaderstaticparmstrings_list, sizeof(*vertstrings_list) * shaderstaticparms_count);
+       fragstrings_count += shaderstaticparms_count;
+
        // now append the shader text itself
        vertstrings_list[vertstrings_count++] = vertexstring;
        geomstrings_list[geomstrings_count++] = geometrystring;
@@ -3789,6 +3900,7 @@ static void R_GLSL_CompilePermutation(r_glsl_permutation_t *p, unsigned int mode
                p->loc_PixelToScreenTexCoord      = qglGetUniformLocationARB(p->program, "PixelToScreenTexCoord");
                p->loc_ModelToReflectCube         = qglGetUniformLocationARB(p->program, "ModelToReflectCube");
                p->loc_ShadowMapMatrix            = qglGetUniformLocationARB(p->program, "ShadowMapMatrix");            
+               p->loc_NormalmapScrollBlend       = qglGetUniformLocationARB(p->program, "NormalmapScrollBlend");
                // initialize the samplers to refer to the texture units we use
                if (p->loc_Texture_First           >= 0) qglUniform1iARB(p->loc_Texture_First          , GL20TU_FIRST);
                if (p->loc_Texture_Second          >= 0) qglUniform1iARB(p->loc_Texture_Second         , GL20TU_SECOND);
@@ -3983,6 +4095,7 @@ typedef struct r_cg_permutation_s
        CGparameter fp_ViewToLight;
        CGparameter fp_PixelToScreenTexCoord;
        CGparameter fp_ModelToReflectCube;
+       CGparameter fp_NormalmapScrollBlend;
 }
 r_cg_permutation_t;
 
@@ -4058,19 +4171,22 @@ static void R_CG_CompilePermutation(r_cg_permutation_t *p, unsigned int mode, un
 {
        int i;
        shadermodeinfo_t *modeinfo = cgshadermodeinfo + mode;
-       int vertstrings_count = 0, vertstring_length = 0;
-       int geomstrings_count = 0, geomstring_length = 0;
-       int fragstrings_count = 0, fragstring_length = 0;
+       int vertstring_length = 0;
+       int geomstring_length = 0;
+       int fragstring_length = 0;
        char *t;
        char *vertexstring, *geometrystring, *fragmentstring;
        char *vertstring, *geomstring, *fragstring;
-       const char *vertstrings_list[32+3];
-       const char *geomstrings_list[32+3];
-       const char *fragstrings_list[32+3];
        char permutationname[256];
        char cachename[256];
        CGprofile vertexProfile;
        CGprofile fragmentProfile;
+       int vertstrings_count = 0;
+       int geomstrings_count = 0;
+       int fragstrings_count = 0;
+       const char *vertstrings_list[32+3+SHADERSTATICPARMS_COUNT+1];
+       const char *geomstrings_list[32+3+SHADERSTATICPARMS_COUNT+1];
+       const char *fragstrings_list[32+3+SHADERSTATICPARMS_COUNT+1];
 
        if (p->compiled)
                return;
@@ -4120,6 +4236,15 @@ static void R_CG_CompilePermutation(r_cg_permutation_t *p, unsigned int mode, un
                }
        }
 
+       // add static parms
+       R_CompileShader_AddStaticParms(mode, permutation);
+       memcpy(vertstrings_list + vertstrings_count, shaderstaticparmstrings_list, sizeof(*vertstrings_list) * shaderstaticparms_count);
+       vertstrings_count += shaderstaticparms_count;
+       memcpy(geomstrings_list + geomstrings_count, shaderstaticparmstrings_list, sizeof(*vertstrings_list) * shaderstaticparms_count);
+       geomstrings_count += shaderstaticparms_count;
+       memcpy(fragstrings_list + fragstrings_count, shaderstaticparmstrings_list, sizeof(*vertstrings_list) * shaderstaticparms_count);
+       fragstrings_count += shaderstaticparms_count;
+
        // replace spaces in the cachename with _ characters
        for (i = 0;cachename[i];i++)
                if (cachename[i] == ' ')
@@ -4282,6 +4407,7 @@ static void R_CG_CompilePermutation(r_cg_permutation_t *p, unsigned int mode, un
                p->fp_ViewToLight                = cgGetNamedParameter(p->fprogram, "ViewToLight");
                p->fp_PixelToScreenTexCoord      = cgGetNamedParameter(p->fprogram, "PixelToScreenTexCoord");
                p->fp_ModelToReflectCube         = cgGetNamedParameter(p->fprogram, "ModelToReflectCube");
+               p->fp_NormalmapScrollBlend       = cgGetNamedParameter(p->fprogram, "NormalmapScrollBlend");
                CHECKCGERROR
        }
 
@@ -4487,14 +4613,14 @@ void R_SetupShader_Generic(rtexture_t *first, rtexture_t *second, int texturemod
        switch (vid.renderpath)
        {
        case RENDERPATH_GL20:
-               R_SetupShader_SetPermutationGLSL(SHADERMODE_GENERIC, (first ? SHADERPERMUTATION_DIFFUSE : 0) | (second ? SHADERPERMUTATION_SPECULAR : 0) | (r_shadow_glossexact.integer ? SHADERPERMUTATION_EXACTSPECULARMATH : 0) | (texturemode == GL_MODULATE ? SHADERPERMUTATION_COLORMAPPING : (texturemode == GL_ADD ? SHADERPERMUTATION_GLOW : (texturemode == GL_DECAL ? SHADERPERMUTATION_VERTEXTEXTUREBLEND : 0))));
+               R_SetupShader_SetPermutationGLSL(SHADERMODE_GENERIC, (first ? SHADERPERMUTATION_DIFFUSE : 0) | (second ? SHADERPERMUTATION_SPECULAR : 0) | (texturemode == GL_MODULATE ? SHADERPERMUTATION_COLORMAPPING : (texturemode == GL_ADD ? SHADERPERMUTATION_GLOW : (texturemode == GL_DECAL ? SHADERPERMUTATION_VERTEXTEXTUREBLEND : 0))));
                if (r_glsl_permutation->loc_Texture_First ) R_Mesh_TexBind(GL20TU_FIRST , first );
                if (r_glsl_permutation->loc_Texture_Second) R_Mesh_TexBind(GL20TU_SECOND, second);
                break;
        case RENDERPATH_CGGL:
 #ifdef SUPPORTCG
                CHECKCGERROR
-               R_SetupShader_SetPermutationCG(SHADERMODE_GENERIC, (first ? SHADERPERMUTATION_DIFFUSE : 0) | (second ? SHADERPERMUTATION_SPECULAR : 0) | (r_shadow_glossexact.integer ? SHADERPERMUTATION_EXACTSPECULARMATH : 0) | (texturemode == GL_MODULATE ? SHADERPERMUTATION_COLORMAPPING : (texturemode == GL_ADD ? SHADERPERMUTATION_GLOW : (texturemode == GL_DECAL ? SHADERPERMUTATION_VERTEXTEXTUREBLEND : 0))));
+               R_SetupShader_SetPermutationCG(SHADERMODE_GENERIC, (first ? SHADERPERMUTATION_DIFFUSE : 0) | (second ? SHADERPERMUTATION_SPECULAR : 0) | (texturemode == GL_MODULATE ? SHADERPERMUTATION_COLORMAPPING : (texturemode == GL_ADD ? SHADERPERMUTATION_GLOW : (texturemode == GL_DECAL ? SHADERPERMUTATION_VERTEXTEXTUREBLEND : 0))));
                if (r_cg_permutation->fp_Texture_First ) CG_BindTexture(r_cg_permutation->fp_Texture_First , first );CHECKCGERROR
                if (r_cg_permutation->fp_Texture_Second) CG_BindTexture(r_cg_permutation->fp_Texture_Second, second);CHECKCGERROR
 #endif
@@ -4690,13 +4816,25 @@ void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting,
        {
                // distorted background
                if (rsurface.texture->currentmaterialflags & MATERIALFLAG_WATERSHADER)
+               {
                        mode = SHADERMODE_WATER;
+                       if (rsurface.texture->r_water_waterscroll[0] && rsurface.texture->r_water_waterscroll[1])
+                               permutation |= SHADERPERMUTATION_NORMALMAPSCROLLBLEND;
+                       GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+                       allow_colormod = R_BlendFuncAllowsColormod(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+               }
                else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_REFRACTION)
+               {
                        mode = SHADERMODE_REFRACTION;
+                       GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+                       allow_colormod = R_BlendFuncAllowsColormod(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+               }
                else
                {
                        mode = SHADERMODE_GENERIC;
                        permutation |= SHADERPERMUTATION_DIFFUSE;
+                       GL_BlendFunc(GL_ONE, GL_ZERO);
+                       allow_colormod = R_BlendFuncAllowsColormod(GL_ONE, GL_ZERO);
                }
                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);
@@ -4705,8 +4843,6 @@ void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting,
                R_Mesh_TexCoordPointer(4, 0, NULL, 0, 0);
                R_Mesh_ColorPointer(NULL, 0, 0);
                GL_AlphaTest(false);
-               GL_BlendFunc(GL_ONE, GL_ZERO);
-               allow_colormod = R_BlendFuncAllowsColormod(GL_ONE, GL_ZERO);
        }
        else if (rsurfacepass == RSURFPASS_DEFERREDGEOMETRY)
        {
@@ -4770,11 +4906,7 @@ void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting,
                if (diffusescale > 0)
                        permutation |= SHADERPERMUTATION_DIFFUSE;
                if (specularscale > 0)
-               {
                        permutation |= SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_DIFFUSE;
-                       if (r_shadow_glossexact.integer)
-                               permutation |= SHADERPERMUTATION_EXACTSPECULARMATH;
-               }
                if (r_refdef.fogenabled)
                        permutation |= r_texture_fogheighttexture ? SHADERPERMUTATION_FOGHEIGHTTEXTURE : (r_refdef.fogplaneviewabove ? SHADERPERMUTATION_FOGOUTSIDE : SHADERPERMUTATION_FOGINSIDE);
                if (rsurface.texture->colormapping)
@@ -4911,11 +5043,7 @@ void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting,
                        permutation |= SHADERPERMUTATION_GLOW;
                permutation |= SHADERPERMUTATION_DIFFUSE;
                if (specularscale > 0)
-               {
                        permutation |= SHADERPERMUTATION_SPECULAR;
-                       if (r_shadow_glossexact.integer)
-                               permutation |= SHADERPERMUTATION_EXACTSPECULARMATH;
-               }
                if (r_refdef.fogenabled)
                        permutation |= r_texture_fogheighttexture ? SHADERPERMUTATION_FOGHEIGHTTEXTURE : (r_refdef.fogplaneviewabove ? SHADERPERMUTATION_FOGOUTSIDE : SHADERPERMUTATION_FOGINSIDE);
                if (rsurface.texture->colormapping)
@@ -5070,7 +5198,19 @@ void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting,
                        permutation |= SHADERPERMUTATION_DEFERREDLIGHTMAP;
                if (rsurface.texture->reflectmasktexture)
                        permutation |= SHADERPERMUTATION_REFLECTCUBE;
-               if (r_glsl_deluxemapping.integer >= 1 && rsurface.uselightmaptexture && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brushq3.deluxemapping)
+               if (FAKELIGHT_ENABLED)
+               {
+                       // fake lightmapping (q1bsp, q3bsp, fullbright map)
+                       mode = SHADERMODE_FAKELIGHT;
+                       permutation |= SHADERPERMUTATION_DIFFUSE;
+                       if (specularscale > 0)
+                               permutation |= SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_DIFFUSE;
+                       if (permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND)
+                               R_Mesh_ColorPointer(rsurface.modellightmapcolor4f, rsurface.modellightmapcolor4f_bufferobject, rsurface.modellightmapcolor4f_bufferoffset);
+                       else
+                               R_Mesh_ColorPointer(NULL, 0, 0);
+               }
+               else if (r_glsl_deluxemapping.integer >= 1 && rsurface.uselightmaptexture && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brushq3.deluxemapping)
                {
                        // deluxemapping (light direction texture)
                        if (rsurface.uselightmaptexture && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brushq3.deluxemapping && r_refdef.scene.worldmodel->brushq3.deluxemapping_modelspace)
@@ -5079,28 +5219,20 @@ void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting,
                                mode = SHADERMODE_LIGHTDIRECTIONMAP_TANGENTSPACE;
                        permutation |= SHADERPERMUTATION_DIFFUSE;
                        if (specularscale > 0)
-                       {
                                permutation |= SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_DIFFUSE;
-                               if (r_shadow_glossexact.integer)
-                                       permutation |= SHADERPERMUTATION_EXACTSPECULARMATH;
-                       }
                        R_Mesh_TexCoordPointer(4, 2, rsurface.modeltexcoordlightmap2f, rsurface.modeltexcoordlightmap2f_bufferobject, rsurface.modeltexcoordlightmap2f_bufferoffset);
                        if (permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND)
                                R_Mesh_ColorPointer(rsurface.modellightmapcolor4f, rsurface.modellightmapcolor4f_bufferobject, rsurface.modellightmapcolor4f_bufferoffset);
                        else
                                R_Mesh_ColorPointer(NULL, 0, 0);
                }
-               else if (r_glsl_deluxemapping.integer >= 2)
+               else if (r_glsl_deluxemapping.integer >= 2 && rsurface.uselightmaptexture)
                {
                        // fake deluxemapping (uniform light direction in tangentspace)
                        mode = SHADERMODE_LIGHTDIRECTIONMAP_TANGENTSPACE;
                        permutation |= SHADERPERMUTATION_DIFFUSE;
                        if (specularscale > 0)
-                       {
                                permutation |= SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_DIFFUSE;
-                               if (r_shadow_glossexact.integer)
-                                       permutation |= SHADERPERMUTATION_EXACTSPECULARMATH;
-                       }
                        R_Mesh_TexCoordPointer(4, 2, rsurface.modeltexcoordlightmap2f, rsurface.modeltexcoordlightmap2f_bufferobject, rsurface.modeltexcoordlightmap2f_bufferoffset);
                        if (permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND)
                                R_Mesh_ColorPointer(rsurface.modellightmapcolor4f, rsurface.modellightmapcolor4f_bufferobject, rsurface.modellightmapcolor4f_bufferoffset);
@@ -5160,7 +5292,7 @@ void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting,
                        // additive passes are only darkened by fog, not tinted
                        if (r_glsl_permutation->loc_FogColor >= 0)
                                qglUniform3fARB(r_glsl_permutation->loc_FogColor, 0, 0, 0);
-                       if (r_glsl_permutation->loc_SpecularPower >= 0) qglUniform1fARB(r_glsl_permutation->loc_SpecularPower, rsurface.texture->specularpower * ((permutation & SHADERPERMUTATION_EXACTSPECULARMATH) ? 0.25f : 1.0f));
+                       if (r_glsl_permutation->loc_SpecularPower >= 0) qglUniform1fARB(r_glsl_permutation->loc_SpecularPower, rsurface.texture->specularpower * (r_shadow_glossexact.integer ? 0.25f : 1.0f));
                }
                else
                {
@@ -5197,11 +5329,12 @@ void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting,
                        if (r_glsl_permutation->loc_DistortScaleRefractReflect >= 0) qglUniform4fARB(r_glsl_permutation->loc_DistortScaleRefractReflect, r_water_refractdistort.value * rsurface.texture->refractfactor, r_water_refractdistort.value * rsurface.texture->refractfactor, r_water_reflectdistort.value * rsurface.texture->reflectfactor, r_water_reflectdistort.value * rsurface.texture->reflectfactor);
                        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) qglUniform4fvARB(r_glsl_permutation->loc_RefractColor, 1, rsurface.texture->refractcolor4f);
-                       if (r_glsl_permutation->loc_ReflectColor >= 0) qglUniform4fvARB(r_glsl_permutation->loc_ReflectColor, 1, rsurface.texture->reflectcolor4f);
+                       if (r_glsl_permutation->loc_RefractColor >= 0) qglUniform4fARB(r_glsl_permutation->loc_RefractColor, rsurface.texture->refractcolor4f[0], rsurface.texture->refractcolor4f[1], rsurface.texture->refractcolor4f[2], rsurface.texture->refractcolor4f[3] * rsurface.texture->lightmapcolor[3]);
+                       if (r_glsl_permutation->loc_ReflectColor >= 0) qglUniform4fARB(r_glsl_permutation->loc_ReflectColor, rsurface.texture->reflectcolor4f[0], rsurface.texture->reflectcolor4f[1], rsurface.texture->reflectcolor4f[2], rsurface.texture->reflectcolor4f[3] * rsurface.texture->lightmapcolor[3]);
                        if (r_glsl_permutation->loc_ReflectFactor >= 0) qglUniform1fARB(r_glsl_permutation->loc_ReflectFactor, rsurface.texture->reflectmax - rsurface.texture->reflectmin);
                        if (r_glsl_permutation->loc_ReflectOffset >= 0) qglUniform1fARB(r_glsl_permutation->loc_ReflectOffset, rsurface.texture->reflectmin);
-                       if (r_glsl_permutation->loc_SpecularPower >= 0) qglUniform1fARB(r_glsl_permutation->loc_SpecularPower, rsurface.texture->specularpower * ((permutation & SHADERPERMUTATION_EXACTSPECULARMATH) ? 0.25f : 1.0f));
+                       if (r_glsl_permutation->loc_SpecularPower >= 0) qglUniform1fARB(r_glsl_permutation->loc_SpecularPower, rsurface.texture->specularpower * (r_shadow_glossexact.integer ? 0.25f : 1.0f));
+                       if (r_glsl_permutation->loc_NormalmapScrollBlend >= 0) qglUniform2fARB(r_glsl_permutation->loc_NormalmapScrollBlend, rsurface.texture->r_water_waterscroll[0], rsurface.texture->r_water_waterscroll[1]);
                }
                if (r_glsl_permutation->loc_TexMatrix >= 0) {Matrix4x4_ToArrayFloatGL(&rsurface.texture->currenttexmatrix, m16f);qglUniformMatrix4fvARB(r_glsl_permutation->loc_TexMatrix, 1, false, m16f);}
                if (r_glsl_permutation->loc_BackgroundTexMatrix >= 0) {Matrix4x4_ToArrayFloatGL(&rsurface.texture->currentbackgroundtexmatrix, m16f);qglUniformMatrix4fvARB(r_glsl_permutation->loc_BackgroundTexMatrix, 1, false, m16f);}
@@ -5210,7 +5343,7 @@ void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting,
                if (r_glsl_permutation->loc_ShadowMap_Parameters >= 0) qglUniform4fARB(r_glsl_permutation->loc_ShadowMap_Parameters, r_shadow_shadowmap_parameters[0], r_shadow_shadowmap_parameters[1], r_shadow_shadowmap_parameters[2], r_shadow_shadowmap_parameters[3]);
 
                if (r_glsl_permutation->loc_Color_Glow >= 0) qglUniform3fARB(r_glsl_permutation->loc_Color_Glow, rsurface.glowmod[0], rsurface.glowmod[1], rsurface.glowmod[2]);
-               if (r_glsl_permutation->loc_Alpha >= 0) qglUniform1fARB(r_glsl_permutation->loc_Alpha, rsurface.texture->lightmapcolor[3]);
+               if (r_glsl_permutation->loc_Alpha >= 0) qglUniform1fARB(r_glsl_permutation->loc_Alpha, rsurface.texture->lightmapcolor[3] * ((rsurface.texture->basematerialflags & MATERIALFLAG_WATERSHADER && r_waterstate.enabled && !r_refdef.view.isoverlay) ? rsurface.texture->r_water_wateralpha : 1));
                if (r_glsl_permutation->loc_EyePosition >= 0) qglUniform3fARB(r_glsl_permutation->loc_EyePosition, rsurface.localvieworigin[0], rsurface.localvieworigin[1], rsurface.localvieworigin[2]);
                if (r_glsl_permutation->loc_Color_Pants >= 0)
                {
@@ -5307,7 +5440,7 @@ void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting,
 
                        // additive passes are only darkened by fog, not tinted
                        if (r_cg_permutation->fp_FogColor) cgGLSetParameter3f(r_cg_permutation->fp_FogColor, 0, 0, 0);CHECKCGERROR
-                       if (r_cg_permutation->fp_SpecularPower) cgGLSetParameter1f(r_cg_permutation->fp_SpecularPower, rsurface.texture->specularpower * ((permutation & SHADERPERMUTATION_EXACTSPECULARMATH) ? 0.25f : 1.0f));CHECKCGERROR
+                       if (r_cg_permutation->fp_SpecularPower) cgGLSetParameter1f(r_cg_permutation->fp_SpecularPower, rsurface.texture->specularpower * (r_shadow_glossexact.integer ? 0.25f : 1.0f));CHECKCGERROR
                }
                else
                {
@@ -5345,16 +5478,17 @@ void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting,
                        if (r_cg_permutation->fp_DistortScaleRefractReflect) cgGLSetParameter4f(r_cg_permutation->fp_DistortScaleRefractReflect, r_water_refractdistort.value * rsurface.texture->refractfactor, r_water_refractdistort.value * rsurface.texture->refractfactor, r_water_reflectdistort.value * rsurface.texture->reflectfactor, r_water_reflectdistort.value * rsurface.texture->reflectfactor);CHECKCGERROR
                        if (r_cg_permutation->fp_ScreenScaleRefractReflect) cgGLSetParameter4f(r_cg_permutation->fp_ScreenScaleRefractReflect, r_waterstate.screenscale[0], r_waterstate.screenscale[1], r_waterstate.screenscale[0], r_waterstate.screenscale[1]);CHECKCGERROR
                        if (r_cg_permutation->fp_ScreenCenterRefractReflect) cgGLSetParameter4f(r_cg_permutation->fp_ScreenCenterRefractReflect, r_waterstate.screencenter[0], r_waterstate.screencenter[1], r_waterstate.screencenter[0], r_waterstate.screencenter[1]);CHECKCGERROR
-                       if (r_cg_permutation->fp_RefractColor) cgGLSetParameter4fv(r_cg_permutation->fp_RefractColor, rsurface.texture->refractcolor4f);CHECKCGERROR
-                       if (r_cg_permutation->fp_ReflectColor) cgGLSetParameter4fv(r_cg_permutation->fp_ReflectColor, rsurface.texture->reflectcolor4f);CHECKCGERROR
+                       if (r_cg_permutation->fp_RefractColor) cgGLSetParameter4fv(r_cg_permutation->fp_RefractColor, rsurface.texture->refractcolor4f[0], rsurface.texture->refractcolor4f[1], rsurface.texture->refractcolor4f[2], rsurface.texture->refractcolor4f[3] * rsurface.texture->lightmapcolor[3]);CHECKCGERROR
+                       if (r_cg_permutation->fp_ReflectColor) cgGLSetParameter4fv(r_cg_permutation->fp_ReflectColor, rsurface.texture->reflectcolor4f[0], rsurface.texture->reflectcolor4f[1], rsurface.texture->reflectcolor4f[2], rsurface.texture->reflectcolor4f[3] * rsurface.texture->lightmapcolor[3]);CHECKCGERROR
                        if (r_cg_permutation->fp_ReflectFactor) cgGLSetParameter1f(r_cg_permutation->fp_ReflectFactor, rsurface.texture->reflectmax - rsurface.texture->reflectmin);CHECKCGERROR
                        if (r_cg_permutation->fp_ReflectOffset) cgGLSetParameter1f(r_cg_permutation->fp_ReflectOffset, rsurface.texture->reflectmin);CHECKCGERROR
-                       if (r_cg_permutation->fp_SpecularPower) cgGLSetParameter1f(r_cg_permutation->fp_SpecularPower, rsurface.texture->specularpower * ((permutation & SHADERPERMUTATION_EXACTSPECULARMATH) ? 0.25f : 1.0f));CHECKCGERROR
+                       if (r_cg_permutation->fp_SpecularPower) cgGLSetParameter1f(r_cg_permutation->fp_SpecularPower, rsurface.texture->specularpower * (r_shadow_glossexact.integer ? 0.25f : 1.0f));CHECKCGERROR
+                       if (r_cg_permutation->fp_NormalmapScrollBlend) cgGLSetParameter2f(r_cg_permutation->fp_NormalmapScrollBlend, rsurface.texture->r_water_waterscroll[0], rsurface.texture->r_water_waterscroll[1]);
                }
                if (r_cg_permutation->fp_ShadowMap_TextureScale) cgGLSetParameter2f(r_cg_permutation->fp_ShadowMap_TextureScale, r_shadow_shadowmap_texturescale[0], r_shadow_shadowmap_texturescale[1]);CHECKCGERROR
                if (r_cg_permutation->fp_ShadowMap_Parameters) cgGLSetParameter4f(r_cg_permutation->fp_ShadowMap_Parameters, r_shadow_shadowmap_parameters[0], r_shadow_shadowmap_parameters[1], r_shadow_shadowmap_parameters[2], r_shadow_shadowmap_parameters[3]);CHECKCGERROR
                if (r_cg_permutation->fp_Color_Glow) cgGLSetParameter3f(r_cg_permutation->fp_Color_Glow, rsurface.glowmod[0], rsurface.glowmod[1], rsurface.glowmod[2]);CHECKCGERROR
-               if (r_cg_permutation->fp_Alpha) cgGLSetParameter1f(r_cg_permutation->fp_Alpha, rsurface.texture->lightmapcolor[3]);CHECKCGERROR
+               if (r_cg_permutation->fp_Alpha) cgGLSetParameter1f(r_cg_permutation->fp_Alpha, rsurface.texture->lightmapcolor[3] * ((rsurface.texture->basematerialflags & MATERIALFLAG_WATERSHADER && r_waterstate.enabled && !r_refdef.view.isoverlay) ? rsurface.texture->r_water_wateralpha : 1));CHECKCGERROR
                if (r_cg_permutation->fp_EyePosition) cgGLSetParameter3f(r_cg_permutation->fp_EyePosition, rsurface.localvieworigin[0], rsurface.localvieworigin[1], rsurface.localvieworigin[2]);CHECKCGERROR
                if (r_cg_permutation->fp_Color_Pants)
                {
@@ -5454,11 +5588,7 @@ void R_SetupShader_DeferredLight(const rtlight_t *rtlight)
        if (diffusescale > 0)
                permutation |= SHADERPERMUTATION_DIFFUSE;
        if (specularscale > 0)
-       {
                permutation |= SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_DIFFUSE;
-               if (r_shadow_glossexact.integer)
-                       permutation |= SHADERPERMUTATION_EXACTSPECULARMATH;
-       }
        if (r_shadow_usingshadowmaprect || r_shadow_usingshadowmap2d || r_shadow_usingshadowmapcube)
        {
                if (r_shadow_usingshadowmaprect)
@@ -5492,7 +5622,7 @@ void R_SetupShader_DeferredLight(const rtlight_t *rtlight)
                if (r_glsl_permutation->loc_DeferredColor_Specular    >= 0) qglUniform3fARB(       r_glsl_permutation->loc_DeferredColor_Specular   , lightcolorbase[0] * specularscale * range, lightcolorbase[1] * specularscale * range, lightcolorbase[2] * specularscale * range);
                if (r_glsl_permutation->loc_ShadowMap_TextureScale    >= 0) qglUniform2fARB(       r_glsl_permutation->loc_ShadowMap_TextureScale   , r_shadow_shadowmap_texturescale[0], r_shadow_shadowmap_texturescale[1]);
                if (r_glsl_permutation->loc_ShadowMap_Parameters      >= 0) qglUniform4fARB(       r_glsl_permutation->loc_ShadowMap_Parameters     , r_shadow_shadowmap_parameters[0], r_shadow_shadowmap_parameters[1], r_shadow_shadowmap_parameters[2], r_shadow_shadowmap_parameters[3]);
-               if (r_glsl_permutation->loc_SpecularPower             >= 0) qglUniform1fARB(       r_glsl_permutation->loc_SpecularPower            , (r_shadow_gloss.integer == 2 ? r_shadow_gloss2exponent.value : r_shadow_glossexponent.value) * ((permutation & SHADERPERMUTATION_EXACTSPECULARMATH) ? 0.25f : 1.0f));
+               if (r_glsl_permutation->loc_SpecularPower             >= 0) qglUniform1fARB(       r_glsl_permutation->loc_SpecularPower            , (r_shadow_gloss.integer == 2 ? r_shadow_gloss2exponent.value : r_shadow_glossexponent.value) * (r_shadow_glossexact.integer ? 0.25f : 1.0f));
                if (r_glsl_permutation->loc_ScreenToDepth             >= 0) qglUniform2fARB(       r_glsl_permutation->loc_ScreenToDepth            , r_refdef.view.viewport.screentodepth[0], r_refdef.view.viewport.screentodepth[1]);
                if (r_glsl_permutation->loc_PixelToScreenTexCoord >= 0) qglUniform2fARB(r_glsl_permutation->loc_PixelToScreenTexCoord, 1.0f/vid.width, 1.0f/vid.height);
 
@@ -5516,7 +5646,7 @@ void R_SetupShader_DeferredLight(const rtlight_t *rtlight)
                if (r_cg_permutation->fp_DeferredColor_Specular   ) cgGLSetParameter3f(r_cg_permutation->fp_DeferredColor_Specular, lightcolorbase[0] * specularscale * range, lightcolorbase[1] * specularscale * range, lightcolorbase[2] * specularscale * range);CHECKCGERROR
                if (r_cg_permutation->fp_ShadowMap_TextureScale   ) cgGLSetParameter2f(r_cg_permutation->fp_ShadowMap_TextureScale, r_shadow_shadowmap_texturescale[0], r_shadow_shadowmap_texturescale[1]);CHECKCGERROR
                if (r_cg_permutation->fp_ShadowMap_Parameters     ) cgGLSetParameter4f(r_cg_permutation->fp_ShadowMap_Parameters, r_shadow_shadowmap_parameters[0], r_shadow_shadowmap_parameters[1], r_shadow_shadowmap_parameters[2], r_shadow_shadowmap_parameters[3]);CHECKCGERROR
-               if (r_cg_permutation->fp_SpecularPower            ) cgGLSetParameter1f(r_cg_permutation->fp_SpecularPower, (r_shadow_gloss.integer == 2 ? r_shadow_gloss2exponent.value : r_shadow_glossexponent.value) * ((permutation & SHADERPERMUTATION_EXACTSPECULARMATH) ? 0.25f : 1.0f));CHECKCGERROR
+               if (r_cg_permutation->fp_SpecularPower            ) cgGLSetParameter1f(r_cg_permutation->fp_SpecularPower, (r_shadow_gloss.integer == 2 ? r_shadow_gloss2exponent.value : r_shadow_glossexponent.value) * (r_shadow_glossexact.integer ? 0.25f : 1.0f));CHECKCGERROR
                if (r_cg_permutation->fp_ScreenToDepth            ) cgGLSetParameter2f(r_cg_permutation->fp_ScreenToDepth, r_refdef.view.viewport.screentodepth[0], r_refdef.view.viewport.screentodepth[1]);CHECKCGERROR
                if (r_cg_permutation->fp_PixelToScreenTexCoord    ) cgGLSetParameter2f(r_cg_permutation->fp_PixelToScreenTexCoord, 1.0f/vid.width, 1.0/vid.height);CHECKCGERROR
 
@@ -6579,6 +6709,8 @@ void GL_Main_Init(void)
        Cvar_RegisterVariable(&r_fullbrights);
        Cvar_RegisterVariable(&r_wateralpha);
        Cvar_RegisterVariable(&r_dynamic);
+       Cvar_RegisterVariable(&r_fakelight);
+       Cvar_RegisterVariable(&r_fakelight_intensity);
        Cvar_RegisterVariable(&r_fullbright);
        Cvar_RegisterVariable(&r_shadows);
        Cvar_RegisterVariable(&r_shadows_darken);
@@ -6620,6 +6752,7 @@ void GL_Main_Init(void)
        Cvar_RegisterVariable(&r_water_clippingplanebias);
        Cvar_RegisterVariable(&r_water_refractdistort);
        Cvar_RegisterVariable(&r_water_reflectdistort);
+       Cvar_RegisterVariable(&r_water_scissormode);
        Cvar_RegisterVariable(&r_lerpsprites);
        Cvar_RegisterVariable(&r_lerpmodels);
        Cvar_RegisterVariable(&r_lerplightstyles);
@@ -6641,6 +6774,7 @@ void GL_Main_Init(void)
        Cvar_RegisterVariable(&r_test);
        Cvar_RegisterVariable(&r_batchmode);
        Cvar_RegisterVariable(&r_glsl_saturation);
+       Cvar_RegisterVariable(&r_glsl_saturation_redcompensate);
        Cvar_RegisterVariable(&r_framedatasize);
        if (gamemode == GAME_NEHAHRA || gamemode == GAME_TENEBRAE)
                Cvar_SetValue("r_fullbrights", 0);
@@ -7021,7 +7155,18 @@ static void R_View_UpdateEntityLighting (void)
                {
                        vec3_t org;
                        Matrix4x4_OriginFromMatrix(&ent->matrix, org);
-                       r_refdef.scene.worldmodel->brush.LightPoint(r_refdef.scene.worldmodel, org, ent->modellight_ambient, ent->modellight_diffuse, tempdiffusenormal);
+
+                       // complete lightning for lit sprites
+                       // todo: make a EF_ field so small ents could be lit purely by modellight and skipping real rtlight pass (like EF_NORTLIGHT)?
+                       if (ent->model->type == mod_sprite && !(ent->model->data_textures[0].basematerialflags & MATERIALFLAG_FULLBRIGHT))
+                       {
+                               if (ent->model->sprite.sprnum_type == SPR_OVERHEAD) // apply offset for overhead sprites
+                                       org[2] = org[2] + r_overheadsprites_pushback.value;
+                               R_CompleteLightPoint(ent->modellight_ambient, ent->modellight_diffuse, ent->modellight_lightdir, org, true, true);
+                       }
+                       else
+                               r_refdef.scene.worldmodel->brush.LightPoint(r_refdef.scene.worldmodel, org, ent->modellight_ambient, ent->modellight_diffuse, tempdiffusenormal);
+
                        if(ent->flags & RENDER_EQUALIZE)
                        {
                                // first fix up ambient lighting...
@@ -7259,11 +7404,22 @@ static void R_DrawModelsAddWaterPlanes(void)
        }
 }
 
-static void R_View_SetFrustum(void)
+static void R_View_SetFrustum(const int *scissor)
 {
        int i;
-       double slopex, slopey;
-       vec3_t forward, left, up, origin;
+       double fpx = +1, fnx = -1, fpy = +1, fny = -1;
+       vec3_t forward, left, up, origin, v;
+
+       if(scissor)
+       {
+               // flipped x coordinates (because x points left here)
+               fpx =  1.0 - 2.0 * (scissor[0]              - r_refdef.view.viewport.x) / (double) (r_refdef.view.viewport.width);
+               fnx =  1.0 - 2.0 * (scissor[0] + scissor[2] - r_refdef.view.viewport.x) / (double) (r_refdef.view.viewport.width);
+
+               // non-flipped y coordinates
+               fny = -1.0 + 2.0 * (scissor[1]              - r_refdef.view.viewport.y) / (double) (r_refdef.view.viewport.height);
+               fpy = -1.0 + 2.0 * (scissor[1] + scissor[3] - r_refdef.view.viewport.y) / (double) (r_refdef.view.viewport.height);
+       }
 
        // we can't trust r_refdef.view.forward and friends in reflected scenes
        Matrix4x4_ToVectors(&r_refdef.view.matrix, forward, left, up, origin);
@@ -7332,13 +7488,29 @@ static void R_View_SetFrustum(void)
 
        if (r_refdef.view.useperspective)
        {
-               slopex = 1.0 / r_refdef.view.frustum_x;
-               slopey = 1.0 / r_refdef.view.frustum_y;
-               VectorMA(forward, -slopex, left, r_refdef.view.frustum[0].normal);
-               VectorMA(forward,  slopex, left, r_refdef.view.frustum[1].normal);
-               VectorMA(forward, -slopey, up  , r_refdef.view.frustum[2].normal);
-               VectorMA(forward,  slopey, up  , r_refdef.view.frustum[3].normal);
-               VectorCopy(forward, r_refdef.view.frustum[4].normal);
+               // calculate frustum corners, which are used to calculate deformed frustum planes for shadow caster culling
+               VectorMAMAM(1024, forward, fnx * 1024.0 * r_refdef.view.frustum_x, left, fny * 1024.0 * r_refdef.view.frustum_y, up, r_refdef.view.frustumcorner[0]);
+               VectorMAMAM(1024, forward, fpx * 1024.0 * r_refdef.view.frustum_x, left, fny * 1024.0 * r_refdef.view.frustum_y, up, r_refdef.view.frustumcorner[1]);
+               VectorMAMAM(1024, forward, fnx * 1024.0 * r_refdef.view.frustum_x, left, fpy * 1024.0 * r_refdef.view.frustum_y, up, r_refdef.view.frustumcorner[2]);
+               VectorMAMAM(1024, forward, fpx * 1024.0 * r_refdef.view.frustum_x, left, fpy * 1024.0 * r_refdef.view.frustum_y, up, r_refdef.view.frustumcorner[3]);
+
+               // then the normals from the corners relative to origin
+               CrossProduct(r_refdef.view.frustumcorner[2], r_refdef.view.frustumcorner[0], r_refdef.view.frustum[0].normal);
+               CrossProduct(r_refdef.view.frustumcorner[1], r_refdef.view.frustumcorner[3], r_refdef.view.frustum[1].normal);
+               CrossProduct(r_refdef.view.frustumcorner[0], r_refdef.view.frustumcorner[1], r_refdef.view.frustum[2].normal);
+               CrossProduct(r_refdef.view.frustumcorner[3], r_refdef.view.frustumcorner[2], r_refdef.view.frustum[3].normal);
+
+               // in a NORMAL view, forward cross left == up
+               // in a REFLECTED view, forward cross left == down
+               // so our cross products above need to be adjusted for a left handed coordinate system
+               CrossProduct(forward, left, v);
+               if(DotProduct(v, up) < 0)
+               {
+                       VectorNegate(r_refdef.view.frustum[0].normal, r_refdef.view.frustum[0].normal);
+                       VectorNegate(r_refdef.view.frustum[1].normal, r_refdef.view.frustum[1].normal);
+                       VectorNegate(r_refdef.view.frustum[2].normal, r_refdef.view.frustum[2].normal);
+                       VectorNegate(r_refdef.view.frustum[3].normal, r_refdef.view.frustum[3].normal);
+               }
 
                // Leaving those out was a mistake, those were in the old code, and they
                // fix a reproducable bug in this one: frustum culling got fucked up when viewmatrix was an identity matrix
@@ -7348,11 +7520,14 @@ static void R_View_SetFrustum(void)
                VectorNormalize(r_refdef.view.frustum[2].normal);
                VectorNormalize(r_refdef.view.frustum[3].normal);
 
-               // calculate frustum corners, which are used to calculate deformed frustum planes for shadow caster culling
-               VectorMAMAMAM(1, r_refdef.view.origin, 1024, forward, -1024 * r_refdef.view.frustum_x, left, -1024 * r_refdef.view.frustum_y, up, r_refdef.view.frustumcorner[0]);
-               VectorMAMAMAM(1, r_refdef.view.origin, 1024, forward,  1024 * r_refdef.view.frustum_x, left, -1024 * r_refdef.view.frustum_y, up, r_refdef.view.frustumcorner[1]);
-               VectorMAMAMAM(1, r_refdef.view.origin, 1024, forward, -1024 * r_refdef.view.frustum_x, left,  1024 * r_refdef.view.frustum_y, up, r_refdef.view.frustumcorner[2]);
-               VectorMAMAMAM(1, r_refdef.view.origin, 1024, forward,  1024 * r_refdef.view.frustum_x, left,  1024 * r_refdef.view.frustum_y, up, r_refdef.view.frustumcorner[3]);
+               // make the corners absolute
+               VectorAdd(r_refdef.view.frustumcorner[0], r_refdef.view.origin, r_refdef.view.frustumcorner[0]);
+               VectorAdd(r_refdef.view.frustumcorner[1], r_refdef.view.origin, r_refdef.view.frustumcorner[1]);
+               VectorAdd(r_refdef.view.frustumcorner[2], r_refdef.view.origin, r_refdef.view.frustumcorner[2]);
+               VectorAdd(r_refdef.view.frustumcorner[3], r_refdef.view.origin, r_refdef.view.frustumcorner[3]);
+
+               // one more normal
+               VectorCopy(forward, r_refdef.view.frustum[4].normal);
 
                r_refdef.view.frustum[0].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[0].normal);
                r_refdef.view.frustum[1].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[1].normal);
@@ -7414,10 +7589,19 @@ static void R_View_SetFrustum(void)
        //PlaneClassify(&frustum[4]);
 }
 
+void R_View_UpdateWithScissor(const int *myscissor)
+{
+       R_Main_ResizeViewCache();
+       R_View_SetFrustum(myscissor);
+       R_View_WorldVisibility(r_refdef.view.useclipplane);
+       R_View_UpdateEntityVisible();
+       R_View_UpdateEntityLighting();
+}
+
 void R_View_Update(void)
 {
        R_Main_ResizeViewCache();
-       R_View_SetFrustum();
+       R_View_SetFrustum(NULL);
        R_View_WorldVisibility(r_refdef.view.useclipplane);
        R_View_UpdateEntityVisible();
        R_View_UpdateEntityLighting();
@@ -7703,6 +7887,18 @@ void R_Water_AddWaterPlane(msurface_t *surface)
                p->materialflags = 0;
                p->pvsvalid = false;
                p->camera_entity = t->camera_entity;
+               VectorCopy(surface->mins, p->mins);
+               VectorCopy(surface->maxs, p->maxs);
+       }
+       else
+       {
+               // merge mins/maxs
+               p->mins[0] = min(p->mins[0], surface->mins[0]);
+               p->mins[1] = min(p->mins[1], surface->mins[1]);
+               p->mins[2] = min(p->mins[2], surface->mins[2]);
+               p->maxs[0] = max(p->maxs[0], surface->maxs[0]);
+               p->maxs[1] = max(p->maxs[1], surface->maxs[1]);
+               p->maxs[2] = max(p->maxs[2], surface->maxs[2]);
        }
        // merge this surface's materialflags into the waterplane
        p->materialflags |= t->currentmaterialflags;
@@ -7721,6 +7917,7 @@ void R_Water_AddWaterPlane(msurface_t *surface)
 
 static void R_Water_ProcessPlanes(void)
 {
+       int myscissor[4];
        r_refdef_view_t originalview;
        r_refdef_view_t myview;
        int planeindex;
@@ -7769,11 +7966,19 @@ static void R_Water_ProcessPlanes(void)
                if (p->materialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFLECTION))
                {
                        r_refdef.view = myview;
+                       if(r_water_scissormode.integer)
+                       {
+                               R_SetupView(true);
+                               if(R_ScissorForBBox(p->mins, p->maxs, myscissor))
+                                       continue; // FIXME the plane then still may get rendered but with broken texture, but it sure won't be visible
+                       }
+
                        // render reflected scene and copy into texture
                        Matrix4x4_Reflect(&r_refdef.view.matrix, p->plane.normal[0], p->plane.normal[1], p->plane.normal[2], p->plane.dist, -2);
                        // update the r_refdef.view.origin because otherwise the sky renders at the wrong location (amongst other problems)
                        Matrix4x4_OriginFromMatrix(&r_refdef.view.matrix, r_refdef.view.origin);
                        r_refdef.view.clipplane = p->plane;
+
                        // reverse the cullface settings for this render
                        r_refdef.view.cullface_front = GL_FRONT;
                        r_refdef.view.cullface_back = GL_BACK;
@@ -7788,7 +7993,12 @@ static void R_Water_ProcessPlanes(void)
 
                        R_ResetViewRendering3D();
                        R_ClearScreen(r_refdef.fogenabled);
-                       R_View_Update();
+                       if(r_water_scissormode.integer & 2)
+                               R_View_UpdateWithScissor(myscissor);
+                       else
+                               R_View_Update();
+                       if(r_water_scissormode.integer & 1)
+                               GL_Scissor(myscissor[0], myscissor[1], myscissor[2], myscissor[3]);
                        R_RenderScene();
 
                        R_Mesh_CopyToTexture(p->texture_reflection, 0, 0, r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height);
@@ -7798,8 +8008,15 @@ static void R_Water_ProcessPlanes(void)
                // (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 | MATERIALFLAG_REFRACTION))
                {
-                       r_waterstate.renderingrefraction = true;
                        r_refdef.view = myview;
+                       if(r_water_scissormode.integer)
+                       {
+                               R_SetupView(true);
+                               if(R_ScissorForBBox(p->mins, p->maxs, myscissor))
+                                       continue; // FIXME the plane then still may get rendered but with broken texture, but it sure won't be visible
+                       }
+
+                       r_waterstate.renderingrefraction = true;
 
                        r_refdef.view.clipplane = p->plane;
                        VectorNegate(r_refdef.view.clipplane.normal, r_refdef.view.clipplane.normal);
@@ -7822,7 +8039,12 @@ static void R_Water_ProcessPlanes(void)
 
                        R_ResetViewRendering3D();
                        R_ClearScreen(r_refdef.fogenabled);
-                       R_View_Update();
+                       if(r_water_scissormode.integer & 2)
+                               R_View_UpdateWithScissor(myscissor);
+                       else
+                               R_View_Update();
+                       if(r_water_scissormode.integer & 1)
+                               GL_Scissor(myscissor[0], myscissor[1], myscissor[2], myscissor[3]);
                        R_RenderScene();
 
                        R_Mesh_CopyToTexture(p->texture_refraction, 0, 0, r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height);
@@ -7847,6 +8069,9 @@ static void R_Water_ProcessPlanes(void)
                                CL_VM_TransformView(p->camera_entity - MAX_EDICTS, &r_refdef.view.matrix, &r_refdef.view.clipplane, visorigin);
                        }
 
+                       // note: all of the view is used for displaying... so
+                       // there is no use in scissoring
+
                        // reverse the cullface settings for this render
                        r_refdef.view.cullface_front = GL_FRONT;
                        r_refdef.view.cullface_back = GL_BACK;
@@ -8404,6 +8629,10 @@ void R_UpdateVariables(void)
        r_refdef.scene.rtdlight = (r_shadow_realtime_world.integer || r_shadow_realtime_dlight.integer) && !gl_flashblend.integer && r_dynamic.integer;
        r_refdef.scene.rtdlightshadows = r_refdef.scene.rtdlight && r_shadow_realtime_dlight_shadows.integer && vid.stencil;
        r_refdef.lightmapintensity = r_refdef.scene.rtworld ? r_shadow_realtime_world_lightmaps.value : 1;
+       if (FAKELIGHT_ENABLED)
+       {
+               r_refdef.lightmapintensity *= r_fakelight_intensity.value;
+       }
        if (r_showsurfaces.integer)
        {
                r_refdef.scene.rtworld = false;
@@ -8563,6 +8792,9 @@ void R_RenderView(void)
        r_textureframe++; // used only by R_GetCurrentTexture
        rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
 
+       if(R_CompileShader_CheckStaticParms())
+               R_GLSL_Restart_f();
+
        if (!r_drawentities.integer)
                r_refdef.scene.numentities = 0;
 
@@ -8639,6 +8871,7 @@ void R_RenderView(void)
 
        GL_Scissor(0, 0, vid.width, vid.height);
        GL_ScissorTest(false);
+
        CHECKGLERROR
 }
 
@@ -8890,6 +9123,27 @@ void R_RenderScene(void)
                        R_TimeReport("coronas");
        }
 
+#if 0
+       {
+               GL_DepthTest(false);
+               qglPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+               GL_Color(1, 1, 1, 1);
+               qglBegin(GL_POLYGON);
+               qglVertex3f(r_refdef.view.frustumcorner[0][0], r_refdef.view.frustumcorner[0][1], r_refdef.view.frustumcorner[0][2]);
+               qglVertex3f(r_refdef.view.frustumcorner[1][0], r_refdef.view.frustumcorner[1][1], r_refdef.view.frustumcorner[1][2]);
+               qglVertex3f(r_refdef.view.frustumcorner[3][0], r_refdef.view.frustumcorner[3][1], r_refdef.view.frustumcorner[3][2]);
+               qglVertex3f(r_refdef.view.frustumcorner[2][0], r_refdef.view.frustumcorner[2][1], r_refdef.view.frustumcorner[2][2]);
+               qglEnd();
+               qglBegin(GL_POLYGON);
+               qglVertex3f(r_refdef.view.frustumcorner[0][0] + 1000 * r_refdef.view.forward[0], r_refdef.view.frustumcorner[0][1] + 1000 * r_refdef.view.forward[1], r_refdef.view.frustumcorner[0][2] + 1000 * r_refdef.view.forward[2]);
+               qglVertex3f(r_refdef.view.frustumcorner[1][0] + 1000 * r_refdef.view.forward[0], r_refdef.view.frustumcorner[1][1] + 1000 * r_refdef.view.forward[1], r_refdef.view.frustumcorner[1][2] + 1000 * r_refdef.view.forward[2]);
+               qglVertex3f(r_refdef.view.frustumcorner[3][0] + 1000 * r_refdef.view.forward[0], r_refdef.view.frustumcorner[3][1] + 1000 * r_refdef.view.forward[1], r_refdef.view.frustumcorner[3][2] + 1000 * r_refdef.view.forward[2]);
+               qglVertex3f(r_refdef.view.frustumcorner[2][0] + 1000 * r_refdef.view.forward[0], r_refdef.view.frustumcorner[2][1] + 1000 * r_refdef.view.forward[1], r_refdef.view.frustumcorner[2][2] + 1000 * r_refdef.view.forward[2]);
+               qglEnd();
+               qglPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+       }
+#endif
+
        // don't let sound skip if going slow
        if (r_refdef.scene.extraupdate)
                S_ExtraUpdate ();
@@ -9476,23 +9730,27 @@ texture_t *R_GetCurrentTexture(texture_t *t)
                        R_LoadQWSkin(&r_qwskincache[i], cl.scores[i].qw_skin);
                t->currentskinframe = r_qwskincache[i].skinframe;
                if (t->currentskinframe == NULL)
-                       t->currentskinframe = t->skinframes[(int)(t->skinframerate * (cl.time - rsurface.ent_shadertime)) % t->numskinframes];
+                       t->currentskinframe = t->skinframes[(unsigned int)(t->skinframerate * (cl.time - rsurface.ent_shadertime)) % t->numskinframes];
        }
        else if (t->numskinframes >= 2)
-               t->currentskinframe = t->skinframes[(int)(t->skinframerate * (cl.time - rsurface.ent_shadertime)) % t->numskinframes];
+               t->currentskinframe = t->skinframes[(unsigned int)(t->skinframerate * (cl.time - rsurface.ent_shadertime)) % t->numskinframes];
        if (t->backgroundnumskinframes >= 2)
-               t->backgroundcurrentskinframe = t->backgroundskinframes[(int)(t->backgroundskinframerate * (cl.time - rsurface.ent_shadertime)) % t->backgroundnumskinframes];
+               t->backgroundcurrentskinframe = t->backgroundskinframes[(unsigned int)(t->backgroundskinframerate * (cl.time - rsurface.ent_shadertime)) % t->backgroundnumskinframes];
 
        t->currentmaterialflags = t->basematerialflags;
        t->currentalpha = rsurface.colormod[3];
        if (t->basematerialflags & MATERIALFLAG_WATERALPHA && (model->brush.supportwateralpha || r_novis.integer))
                t->currentalpha *= r_wateralpha.value;
        if(t->basematerialflags & MATERIALFLAG_WATERSHADER && r_waterstate.enabled && !r_refdef.view.isoverlay)
-               t->currentalpha *= t->r_water_wateralpha;
+               t->currentmaterialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW; // we apply wateralpha later
        if(!r_waterstate.enabled || r_refdef.view.isoverlay)
                t->currentmaterialflags &= ~(MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_REFLECTION | MATERIALFLAG_CAMERA);
        if (!(rsurface.ent_flags & RENDER_LIGHT))
                t->currentmaterialflags |= MATERIALFLAG_FULLBRIGHT;
+       else if (FAKELIGHT_ENABLED)
+       {
+                       // no modellight if using fakelight for the map
+       }
        else if (rsurface.modeltexcoordlightmap2f == NULL && !(t->currentmaterialflags & MATERIALFLAG_FULLBRIGHT))
        {
                // pick a model lighting mode
@@ -11029,6 +11287,49 @@ static void RSurf_DrawBatch_GL11_VertexColor(int texturenumsurfaces, const msurf
        RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
 }
 
+static void RSurf_DrawBatch_GL11_ApplyFakeLight(int texturenumsurfaces, const msurface_t **texturesurfacelist)
+{
+       int texturesurfaceindex;
+       int i;
+       float f;
+       const float *v;
+       const float *n;
+       float *c;
+       //vec3_t eyedir;
+
+       // fake shading
+       for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
+       {
+               const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
+               int numverts = surface->num_vertices;
+               v = rsurface.vertex3f + 3 * surface->num_firstvertex;
+               n = rsurface.normal3f + 3 * surface->num_firstvertex;
+               c = rsurface.array_color4f + 4 * surface->num_firstvertex;
+               for (i = 0;i < numverts;i++, v += 3, n += 3, c += 4)
+               {
+                       f = -DotProduct(r_refdef.view.forward, n);
+                       f = max(0, f);
+                       f = f * 0.85 + 0.15; // work around so stuff won't get black
+                       f *= r_refdef.lightmapintensity;
+                       Vector4Set(c, f, f, f, 1);
+               }
+       }
+
+       rsurface.lightmapcolor4f = rsurface.array_color4f;
+       rsurface.lightmapcolor4f_bufferobject = 0;
+       rsurface.lightmapcolor4f_bufferoffset = 0;
+}
+
+static void RSurf_DrawBatch_GL11_FakeLight(int texturenumsurfaces, const msurface_t **texturesurfacelist, float r, float g, float b, float a, qboolean applycolor, qboolean applyfog)
+{
+       RSurf_DrawBatch_GL11_ApplyFakeLight(texturenumsurfaces, texturesurfacelist);
+       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);
+       GL_Color(r, g, b, a);
+       RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
+}
+
 static void RSurf_DrawBatch_GL11_ApplyVertexShade(int texturenumsurfaces, const msurface_t **texturesurfacelist, float *r, float *g, float *b, float *a, qboolean *applycolor)
 {
        int texturesurfaceindex;
@@ -11257,6 +11558,8 @@ static void R_DrawTextureSurfaceList_GL13(int texturenumsurfaces, const msurface
                        R_Mesh_TexCoordPointer(1, 2, rsurface.texcoordtexture2f, rsurface.texcoordtexture2f_bufferobject, rsurface.texcoordtexture2f_bufferoffset);
                        if (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT)
                                RSurf_DrawBatch_GL11_VertexShade(texturenumsurfaces, texturesurfacelist, layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
+                       else if (FAKELIGHT_ENABLED)
+                               RSurf_DrawBatch_GL11_FakeLight(texturenumsurfaces, texturesurfacelist, layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
                        else if (rsurface.uselightmaptexture)
                                RSurf_DrawBatch_GL11_Lightmap(texturenumsurfaces, texturesurfacelist, layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
                        else
@@ -11358,6 +11661,8 @@ static void R_DrawTextureSurfaceList_GL11(int texturenumsurfaces, const msurface
                                R_Mesh_TexCoordPointer(0, 2, rsurface.modeltexcoordlightmap2f, rsurface.modeltexcoordlightmap2f_bufferobject, rsurface.modeltexcoordlightmap2f_bufferoffset);
                                if (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT)
                                        RSurf_DrawBatch_GL11_VertexShade(texturenumsurfaces, texturesurfacelist, 1, 1, 1, 1, false, false);
+                               else if (FAKELIGHT_ENABLED)
+                                       RSurf_DrawBatch_GL11_FakeLight(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
@@ -11500,8 +11805,6 @@ static void R_DrawTextureSurfaceList_ShowSurfaces3(int texturenumsurfaces, const
                GL_DepthMask(writedepth);
        }
 
-       rsurface.lightmapcolor4f = NULL;
-
        if (rsurface.texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT)
        {
                RSurf_PrepareVerticesForBatch(false, false, texturenumsurfaces, texturesurfacelist);
@@ -11521,6 +11824,14 @@ static void R_DrawTextureSurfaceList_ShowSurfaces3(int texturenumsurfaces, const
                RSurf_DrawBatch_GL11_ApplyVertexShade(texturenumsurfaces, texturesurfacelist, &one, &one, &one, &one, &applycolor);
                r_refdef.lightmapintensity = 0; // we're in showsurfaces, after all
        }
+       else if (FAKELIGHT_ENABLED)
+       {
+               RSurf_PrepareVerticesForBatch(true, false, texturenumsurfaces, texturesurfacelist);
+
+               r_refdef.lightmapintensity = r_fakelight_intensity.value;
+               RSurf_DrawBatch_GL11_ApplyFakeLight(texturenumsurfaces, texturesurfacelist);
+               r_refdef.lightmapintensity = 0; // we're in showsurfaces, after all
+       }
        else
        {
                RSurf_PrepareVerticesForBatch(false, false, texturenumsurfaces, texturesurfacelist);
@@ -11632,17 +11943,31 @@ static void R_DrawSurface_TransparentCallback(const entity_render_t *ent, const
                        surface = rsurface.modelsurfaces + surfacelist[i];
                        texture = surface->texture;
                        rsurface.texture = R_GetCurrentTexture(texture);
-                       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++)
+                       if(FAKELIGHT_ENABLED)
                        {
-                               surface = rsurface.modelsurfaces + surfacelist[j];
-                               if (texture != surface->texture || rsurface.uselightmaptexture != (surface->lightmaptexture != NULL))
-                                       break;
-                               texturesurfacelist[texturenumsurfaces++] = surface;
+                               rsurface.uselightmaptexture = false;
+                               for (;j < endsurface;j++)
+                               {
+                                       surface = rsurface.modelsurfaces + surfacelist[j];
+                                       if (texture != surface->texture)
+                                               break;
+                                       texturesurfacelist[texturenumsurfaces++] = surface;
+                               }
+                       }
+                       else
+                       {
+                               rsurface.uselightmaptexture = surface->lightmaptexture != NULL;
+                               for (;j < endsurface;j++)
+                               {
+                                       surface = rsurface.modelsurfaces + surfacelist[j];
+                                       if (texture != surface->texture || rsurface.uselightmaptexture != (surface->lightmaptexture != NULL))
+                                               break;
+                                       texturesurfacelist[texturenumsurfaces++] = surface;
+                               }
                        }
                        if (!(rsurface.texture->currentmaterialflags & MATERIALFLAG_TRANSDEPTH))
                                continue;
@@ -11674,17 +11999,31 @@ static void R_DrawSurface_TransparentCallback(const entity_render_t *ent, const
                surface = rsurface.modelsurfaces + surfacelist[i];
                texture = surface->texture;
                rsurface.texture = R_GetCurrentTexture(texture);
-               rsurface.uselightmaptexture = surface->lightmaptexture != NULL;
                // scan ahead until we find a different texture
                endsurface = min(i + MAXBATCH_TRANSPARENTSURFACES, numsurfaces);
                texturenumsurfaces = 0;
                texturesurfacelist[texturenumsurfaces++] = surface;
-               for (;j < endsurface;j++)
+               if(FAKELIGHT_ENABLED)
                {
-                       surface = rsurface.modelsurfaces + surfacelist[j];
-                       if (texture != surface->texture || rsurface.uselightmaptexture != (surface->lightmaptexture != NULL))
-                               break;
-                       texturesurfacelist[texturenumsurfaces++] = surface;
+                       rsurface.uselightmaptexture = false;
+                       for (;j < endsurface;j++)
+                       {
+                               surface = rsurface.modelsurfaces + surfacelist[j];
+                               if (texture != surface->texture)
+                                       break;
+                               texturesurfacelist[texturenumsurfaces++] = surface;
+                       }
+               }
+               else
+               {
+                       rsurface.uselightmaptexture = surface->lightmaptexture != NULL;
+                       for (;j < endsurface;j++)
+                       {
+                               surface = rsurface.modelsurfaces + surfacelist[j];
+                               if (texture != surface->texture || rsurface.uselightmaptexture != (surface->lightmaptexture != NULL))
+                                       break;
+                               texturesurfacelist[texturenumsurfaces++] = surface;
+                       }
                }
                // render the range of surfaces
                if (ent == r_refdef.scene.worldentity)
@@ -11801,7 +12140,6 @@ void R_QueueWorldSurfaceList(int numsurfaces, const msurface_t **surfacelist, in
                // use skin 1 instead)
                texture = surfacelist[i]->texture;
                rsurface.texture = R_GetCurrentTexture(texture);
-               rsurface.uselightmaptexture = surfacelist[i]->lightmaptexture != NULL && !depthonly && !prepass;
                if (!(rsurface.texture->currentmaterialflags & flagsmask) || (rsurface.texture->currentmaterialflags & MATERIALFLAG_NODRAW))
                {
                        // if this texture is not the kind we want, skip ahead to the next one
@@ -11809,9 +12147,20 @@ void R_QueueWorldSurfaceList(int numsurfaces, const msurface_t **surfacelist, in
                                ;
                        continue;
                }
-               // simply scan ahead until we find a different texture or lightmap state
-               for (;j < numsurfaces && texture == surfacelist[j]->texture && rsurface.uselightmaptexture == (surfacelist[j]->lightmaptexture != NULL);j++)
-                       ;
+               if(FAKELIGHT_ENABLED || depthonly || prepass)
+               {
+                       rsurface.uselightmaptexture = false;
+                       // simply scan ahead until we find a different texture or lightmap state
+                       for (;j < numsurfaces && texture == surfacelist[j]->texture;j++)
+                               ;
+               }
+               else
+               {
+                       rsurface.uselightmaptexture = surfacelist[i]->lightmaptexture != NULL;
+                       // simply scan ahead until we find a different texture or lightmap state
+                       for (;j < numsurfaces && texture == surfacelist[j]->texture && rsurface.uselightmaptexture == (surfacelist[j]->lightmaptexture != NULL);j++)
+                               ;
+               }
                // render the range of surfaces
                R_ProcessWorldTextureSurfaceList(j - i, surfacelist + i, writedepth, depthonly, prepass);
        }
@@ -11898,7 +12247,6 @@ void R_QueueModelSurfaceList(entity_render_t *ent, int numsurfaces, const msurfa
                // use skin 1 instead)
                texture = surfacelist[i]->texture;
                rsurface.texture = R_GetCurrentTexture(texture);
-               rsurface.uselightmaptexture = surfacelist[i]->lightmaptexture != NULL && !depthonly && !prepass;
                if (!(rsurface.texture->currentmaterialflags & flagsmask) || (rsurface.texture->currentmaterialflags & MATERIALFLAG_NODRAW))
                {
                        // if this texture is not the kind we want, skip ahead to the next one
@@ -11906,9 +12254,20 @@ void R_QueueModelSurfaceList(entity_render_t *ent, int numsurfaces, const msurfa
                                ;
                        continue;
                }
-               // simply scan ahead until we find a different texture or lightmap state
-               for (;j < numsurfaces && texture == surfacelist[j]->texture && rsurface.uselightmaptexture == (surfacelist[j]->lightmaptexture != NULL);j++)
-                       ;
+               if(FAKELIGHT_ENABLED || depthonly || prepass)
+               {
+                       rsurface.uselightmaptexture = false;
+                       // simply scan ahead until we find a different texture or lightmap state
+                       for (;j < numsurfaces && texture == surfacelist[j]->texture;j++)
+                               ;
+               }
+               else
+               {
+                       rsurface.uselightmaptexture = surfacelist[i]->lightmaptexture != NULL;
+                       // simply scan ahead until we find a different texture or lightmap state
+                       for (;j < numsurfaces && texture == surfacelist[j]->texture && rsurface.uselightmaptexture == (surfacelist[j]->lightmaptexture != NULL);j++)
+                               ;
+               }
                // render the range of surfaces
                R_ProcessModelTextureSurfaceList(j - i, surfacelist + i, writedepth, depthonly, ent, prepass);
        }
@@ -13052,7 +13411,6 @@ void R_DrawCustomSurface_Texture(texture_t *texture, const matrix4x4_t *texmatri
        const msurface_t *surfacelist = &surface;
 
        // fake enough texture and surface state to render this geometry
-
        surface.texture = texture;
        surface.num_triangles = numtriangles;
        surface.num_firsttriangle = firsttriangle;