#5979: Cubemap support for opengl2.

author: SmileTheory <SmileTheory@gmail.com> 2013-09-16 00:54:26 -0700
committer: Tim Angus <tim@ngus.net> 2014-06-17 17:43:34 +0100
commit: 75fe4796280cc95fe6b96cc9c9df5d74fc478ffa (patch)
tree: d031d5af29fb83215f6d140df94e5d4b48ce7309
parent: 57ba5d4419af6c57be928ca57da090622411215f (diff)
23 files changed, 1245 insertions, 493 deletions
diff --git a/src/renderercommon/qgl.h b/src/renderercommon/qgl.h
index 1a9b7ae0..14d388a4 100644
--- a/src/renderercommon/qgl.h
+++ b/src/renderercommon/qgl.h
@@ -722,6 +722,11 @@ extern void (APIENTRY * qglDrawBuffersARB)(GLsizei n, const GLenum *bufs);
 #define GL_DEPTH_CLAMP				      0x864F
 #endif
 
+#ifndef GL_ARB_seamless_cube_map
+#define GL_ARB_seamless_cube_map
+#define GL_TEXTURE_CUBE_MAP_SEAMLESS               0x884F
+#endif
+
 #if defined(WIN32)
 // WGL_ARB_create_context
 #ifndef WGL_ARB_create_context
diff --git a/src/renderergl2/glsl/lightall_fp.glsl b/src/renderergl2/glsl/lightall_fp.glsl
index 0b455dd6..efd01399 100644
--- a/src/renderergl2/glsl/lightall_fp.glsl
+++ b/src/renderergl2/glsl/lightall_fp.glsl
@@ -20,14 +20,11 @@ uniform sampler2D u_SpecularMap;
 uniform sampler2D u_ShadowMap;
 #endif
 
-uniform vec3      u_ViewOrigin;
-
-#if defined(USE_TCGEN)
-uniform int    u_TCGen0;
+#if defined(USE_CUBEMAP)
+uniform samplerCube u_CubeMap;
 #endif
 
 #if defined(USE_LIGHT_VECTOR)
-uniform vec4      u_LightOrigin;
 uniform vec3      u_DirectedLight;
 uniform vec3      u_AmbientLight;
 uniform float     u_LightRadius;
@@ -39,7 +36,6 @@ uniform vec3  u_PrimaryLightAmbient;
 uniform float u_PrimaryLightRadius;
 #endif
 
-
 #if defined(USE_LIGHT)
 uniform vec2      u_MaterialInfo;
 #endif
@@ -50,43 +46,35 @@ varying vec2      var_LightTex;
 #endif
 varying vec4      var_Color;
 
-#if defined(USE_NORMALMAP) && !defined(USE_VERT_TANGENT_SPACE)
-varying vec3      var_Position;
-#endif
-
-#if defined(USE_TCGEN) || defined(USE_NORMALMAP) || (defined(USE_LIGHT) && !defined(USE_FAST_LIGHT))
-varying vec3      var_SampleToView;
-#endif
-
-#if !defined(USE_FAST_LIGHT)
+#if (defined(USE_LIGHT) && !defined(USE_FAST_LIGHT)) || defined(USE_PARALLAXMAP)
+varying vec3      var_ViewDir;
 varying vec3      var_Normal;
-#endif
-
-#if defined(USE_VERT_TANGENT_SPACE)
 varying vec3      var_Tangent;
 varying vec3      var_Bitangent;
 #endif
 
-varying vec3      var_VertLight;
+#if defined(USE_LIGHT_VERTEX) && !defined(USE_FAST_LIGHT)
+varying vec3      var_lightColor;
+#endif
 
 #if defined(USE_LIGHT) && !defined(USE_DELUXEMAP)
-varying vec3      var_LightDirection;
+varying vec4      var_LightDir;
 #endif
 
 #if defined(USE_PRIMARY_LIGHT) || defined(USE_SHADOWMAP)
-varying vec3      var_PrimaryLightDirection;
+varying vec3      var_PrimaryLightDir;
 #endif
 
 
 #define EPSILON 0.00000001
 
 #if defined(USE_PARALLAXMAP)
-float SampleHeight(sampler2D normalMap, vec2 t)
+float SampleDepth(sampler2D normalMap, vec2 t)
 {
   #if defined(SWIZZLE_NORMALMAP)
-	return texture2D(normalMap, t).r;
+	return 1.0 - texture2D(normalMap, t).r;
   #else
-	return texture2D(normalMap, t).a;
+	return 1.0 - texture2D(normalMap, t).a;
   #endif
 }
 
@@ -95,10 +83,8 @@ float RayIntersectDisplaceMap(vec2 dp, vec2 ds, sampler2D normalMap)
 	const int linearSearchSteps = 16;
 	const int binarySearchSteps = 6;
 
-	float depthStep = 1.0 / float(linearSearchSteps);
-
 	// current size of search window
-	float size = depthStep;
+	float size = 1.0 / float(linearSearchSteps);
 
 	// current depth position
 	float depth = 0.0;
@@ -111,7 +97,7 @@ float RayIntersectDisplaceMap(vec2 dp, vec2 ds, sampler2D normalMap)
 	{
 		depth += size;
 		
-		float t = 1.0 - SampleHeight(normalMap, dp + ds * depth);
+		float t = SampleDepth(normalMap, dp + ds * depth);
 		
 		if(bestDepth > 0.996)		// if no depth found yet
 			if(depth >= t)
@@ -125,7 +111,7 @@ float RayIntersectDisplaceMap(vec2 dp, vec2 ds, sampler2D normalMap)
 	{
 		size *= 0.5;
 
-		float t = 1.0 - SampleHeight(normalMap, dp + ds * depth);
+		float t = SampleDepth(normalMap, dp + ds * depth);
 		
 		if(depth >= t)
 		{
@@ -157,7 +143,7 @@ vec3 CalcDiffuse(vec3 diffuseAlbedo, vec3 N, vec3 L, vec3 E, float NE, float NL,
 	if (gamma >= 0.0)
     #endif
 	{
-		B *= max(max(NL, NE), EPSILON);
+		B = max(B * max(NL, NE), EPSILON);
 	}
 
 	return diffuseAlbedo * (A + gamma / B);
@@ -166,60 +152,135 @@ vec3 CalcDiffuse(vec3 diffuseAlbedo, vec3 N, vec3 L, vec3 E, float NE, float NL,
   #endif
 }
 
-#if defined(USE_SPECULARMAP)
-vec3 CalcSpecular(vec3 specularReflectance, float NH, float NL, float NE, float EH, float shininess)
+vec3 EnvironmentBRDF(float gloss, float NE, vec3 specular)
 {
-  #if defined(USE_BLINN) || defined(USE_TRIACE) || defined(USE_TORRANCE_SPARROW)
-	float blinn = pow(NH, shininess);
+  #if 1
+	// from http://blog.selfshadow.com/publications/s2013-shading-course/lazarov/s2013_pbs_black_ops_2_notes.pdf
+	vec4 t = vec4( 1/0.96, 0.475, (0.0275 - 0.25 * 0.04)/0.96,0.25 ) * gloss;
+	t += vec4( 0.0, 0.0, (0.015 - 0.75 * 0.04)/0.96,0.75 );
+	float a0 = t.x * min( t.y, exp2( -9.28 * NE ) ) + t.z;
+	float a1 = t.w;
+	return clamp( a0 + specular * ( a1 - a0 ), 0.0, 1.0 );
+  #elif 0
+    // from http://seblagarde.wordpress.com/2011/08/17/hello-world/
+	return mix(specular.rgb, max(specular.rgb, vec3(gloss)), CalcFresnel(NE));
+  #else
+    // from http://advances.realtimerendering.com/s2011/Lazarov-Physically-Based-Lighting-in-Black-Ops%20%28Siggraph%202011%20Advances%20in%20Real-Time%20Rendering%20Course%29.pptx
+	return mix(specular.rgb, vec3(1.0), CalcFresnel(NE) / (4.0 - 3.0 * gloss));
   #endif
+}
 
-  #if defined(USE_BLINN)
-	return specularReflectance * blinn;
-  #endif
+float CalcBlinn(float NH, float shininess)
+{
+#if 0
+    // from http://seblagarde.wordpress.com/2012/06/03/spherical-gaussien-approximation-for-blinn-phong-phong-and-fresnel/
+	float a = shininess + 0.775;
+    return exp(a * NH - a);
+#else
+	return pow(NH, shininess);
+#endif
+}
 
-  #if defined(USE_COOK_TORRANCE) || defined (USE_TRIACE) || defined (USE_TORRANCE_SPARROW)
-	vec3 fresnel = specularReflectance + (vec3(1.0) - specularReflectance) * pow(1.0 - EH, 5);
-  #endif
+float CalcGGX(float NH, float shininess)
+{
+	// from http://blog.selfshadow.com/publications/s2013-shading-course/karis/s2013_pbs_epic_notes.pdf
+	float m_sq = 2.0 / shininess;
+	float d = ((NH * NH) * (m_sq - 1.0) + 1.0);
+	return m_sq / (d * d);
+}
 
-  #if defined(USE_COOK_TORRANCE) || defined(USE_TORRANCE_SPARROW)
+float CalcFresnel(float EH)
+{
+#if 1
+	// From http://seblagarde.wordpress.com/2012/06/03/spherical-gaussien-approximation-for-blinn-phong-phong-and-fresnel/
+	return exp2((-5.55473 * EH - 6.98316) * EH);
+#elif 0
+	float blend = 1.0 - EH;
+	float blend2 = blend * blend;
+	blend *= blend2 * blend2;
+	
+	return blend;
+#else
+	return pow(1.0 - NH, 5.0);
+#endif
+}
+
+float CalcVisibility(float NH, float NL, float NE, float EH, float shininess)
+{
+#if 0
 	float geo = 2.0 * NH * min(NE, NL);
 	geo /= max(EH, geo);
-  #endif  
-
-  #if defined(USE_COOK_TORRANCE)
-	float m_sq = 2.0 / max(shininess, EPSILON);
-	float NH_sq = NH * NH;
-	float m_NH_sq = m_sq * NH_sq;
-	float beckmann = exp((NH_sq - 1.0) / max(m_NH_sq, EPSILON)) / max(4.0 * m_NH_sq * NH_sq, EPSILON);
-
-	return fresnel * geo * beckmann / max(NE, EPSILON);
+	
+	return geo;
+#else
+	// Modified from http://blog.selfshadow.com/publications/s2013-shading-course/karis/s2013_pbs_epic_notes.pdf
+	// NL, NE in numerator factored out from cook-torrance
+  #if defined(USE_GGX)
+	float roughness = sqrt(2.0 / (shininess + 2.0));
+	float k = (roughness + 1.0);
+	k *= k * 0.125;
+  #else
+    float k = 2.0 / sqrt(3.1415926535 * (shininess + 2.0));
+  #endif
+	float k2 = 1.0 - k;
+	
+	float invGeo1 = NL * k2 + k;
+	float invGeo2 = NE * k2 + k;
+	
+	return 1.0 / (invGeo1 * invGeo2);
   #endif
+}
 
-  #if defined(USE_TRIACE)
-	float scale = 0.1248582 * shininess + 0.2691817;
 
-	return fresnel * scale * blinn / max(max(NL, NE), EPSILON);
-  #endif
-  
-  #if defined(USE_TORRANCE_SPARROW)
-	float scale = 0.125 * shininess + 1.0;
+vec3 CalcSpecular(vec3 specular, float NH, float NL, float NE, float EH, float shininess)
+{
+	float blinn = CalcBlinn(NH, shininess);
+	vec3 fSpecular = mix(specular, vec3(1.0), CalcFresnel(EH));
+	float vis = CalcVisibility(NH, NL, NE, EH, shininess);
 
-	return fresnel * geo * scale * blinn / max(NE, EPSILON);
+  #if defined(USE_BLINN)
+    // Normalized Blinn-Phong
+	return specular  * blinn * (shininess * 0.125    + 1.0);
+  #elif defined(USE_BLINN_FRESNEL)
+    // Normalized Blinn-Phong with Fresnel
+	return fSpecular * blinn * (shininess * 0.125    + 1.0);
+  #elif defined(USE_MCAULEY)
+    // Cook-Torrance as done by Stephen McAuley
+	// http://blog.selfshadow.com/publications/s2012-shading-course/mcauley/s2012_pbs_farcry3_notes_v2.pdf
+	return fSpecular * blinn * (shininess * 0.25     + 0.125);
+  #elif defined(USE_GOTANDA)
+    // Neumann-Neumann as done by Yoshiharu Gotanda
+	// http://research.tri-ace.com/Data/s2012_beyond_CourseNotes.pdf
+	return fSpecular * blinn * (shininess * 0.124858 + 0.269182) / max(max(NL, NE), EPSILON);
+  #elif defined(USE_LAZAROV)
+    // Cook-Torrance as done by Dimitar Lazarov
+	// http://blog.selfshadow.com/publications/s2013-shading-course/lazarov/s2013_pbs_black_ops_2_notes.pdf
+	return fSpecular * blinn * (shininess * 0.125    + 0.25)     * vis;
   #endif
+  
+	return vec3(0.0);
 }
-#endif
 
 void main()
 {
-#if !defined(USE_FAST_LIGHT) && (defined(USE_LIGHT) || defined(USE_NORMALMAP))
-	vec3 surfN = normalize(var_Normal);
+	vec3 L, N, E, H;
+	float NL, NH, NE, EH;
+	
+#if (defined(USE_LIGHT) && !defined(USE_FAST_LIGHT)) || defined(USE_PARALLAXMAP)
+	mat3 tangentToWorld = mat3(var_Tangent, var_Bitangent, var_Normal);
 #endif
 
 #if defined(USE_DELUXEMAP)
-	vec3 L = 2.0 * texture2D(u_DeluxeMap, var_LightTex).xyz - vec3(1.0);
-	//L += var_LightDirection * 0.0001;
-#elif defined(USE_LIGHT)
-	vec3 L = var_LightDirection;
+	L = (2.0 * texture2D(u_DeluxeMap, var_LightTex).xyz - vec3(1.0));
+  #if defined(USE_TANGENT_SPACE_LIGHT)
+    L = L * tangentToWorld;
+  #endif
+#elif defined(USE_LIGHT) && !defined(USE_FAST_LIGHT)
+	L = var_LightDir.xyz;
+#endif
+
+#if (defined(USE_LIGHT) && !defined(USE_FAST_LIGHT)) || defined(USE_PARALLAXMAP)
+	E = normalize(var_ViewDir);
 #endif
 
 #if defined(USE_LIGHTMAP)
@@ -229,94 +290,80 @@ void main()
   #endif
 	vec3 lightColor = lightSample.rgb;
 #elif defined(USE_LIGHT_VECTOR) && !defined(USE_FAST_LIGHT)
-  #if defined(USE_INVSQRLIGHT)
-	float intensity = 1.0 / dot(L, L);
-  #else
-	float intensity = clamp((1.0 - dot(L, L) / (u_LightRadius * u_LightRadius)) * 1.07, 0.0, 1.0);
-  #endif
+	// inverse square light
+	float attenuation = u_LightRadius * u_LightRadius / dot(L, L);
+	
+	// zero light at radius, approximating q3 style
+	attenuation = 0.5 * attenuation - 0.5;
+	//attenuation = 0.0697168 * attenuation;
+	//attenuation *= step(0.294117, attenuation);
+	
+	// clamp attenuation
+	#if defined(NO_LIGHT_CLAMP)
+	attenuation *= step(0.0, attenuation);
+	#else
+	attenuation = clamp(attenuation, 0.0, 1.0);
+	#endif
+	
+	// don't attenuate directional light
+	attenuation = (attenuation - 1.0) * var_LightDir.w + 1.0;
 
-	vec3 lightColor = u_DirectedLight * intensity;
-	vec3 ambientColor  = u_AmbientLight;
+	vec3 lightColor   = u_DirectedLight * attenuation;
+	vec3 ambientColor = u_AmbientLight;
 #elif defined(USE_LIGHT_VERTEX) && !defined(USE_FAST_LIGHT)
-	vec3 lightColor = var_VertLight;
+	vec3 lightColor = var_lightColor;
 #endif
 	
-#if defined(USE_TCGEN) || defined(USE_NORMALMAP) || (defined(USE_LIGHT) && !defined(USE_FAST_LIGHT))
-	vec3 E = normalize(var_SampleToView);
-#endif
 	vec2 texCoords = var_DiffuseTex;
 
-	float ambientDiff = 1.0;
-
-#if defined(USE_NORMALMAP)
-  #if defined(USE_VERT_TANGENT_SPACE)
-	mat3 tangentToWorld = mat3(var_Tangent, var_Bitangent, var_Normal);
+#if defined(USE_PARALLAXMAP)
+  #if defined(USE_TANGENT_SPACE_LIGHT)
+	vec3 offsetDir = E;
   #else
-	vec3 q0  = dFdx(var_Position);
-	vec3 q1  = dFdy(var_Position);
-	vec2 st0 = dFdx(texCoords);
-	vec2 st1 = dFdy(texCoords);
-	float dir = sign(st1.t * st0.s - st0.t * st1.s);
-
-	vec3   tangent =  normalize(q0 * st1.t - q1 * st0.t) * dir;
-	vec3 bitangent = -normalize(q0 * st1.s - q1 * st0.s) * dir;
-
-	mat3 tangentToWorld = mat3(tangent, bitangent, var_Normal);
+	vec3 offsetDir = E * tangentToWorld;
   #endif
 
-  #if defined(USE_PARALLAXMAP)
-	vec3 offsetDir = normalize(E * tangentToWorld);
 	offsetDir.xy *= -0.05 / offsetDir.z;
 
 	texCoords += offsetDir.xy * RayIntersectDisplaceMap(texCoords, offsetDir.xy, u_NormalMap);
-  #endif
-	vec3 texN;
-  #if defined(SWIZZLE_NORMALMAP)
-	texN.xy = 2.0 * texture2D(u_NormalMap, texCoords).ag - 1.0;
-  #else
-	texN.xy = 2.0 * texture2D(u_NormalMap, texCoords).rg - 1.0;
-  #endif
-	texN.z = sqrt(clamp(1.0 - dot(texN.xy, texN.xy), 0.0, 1.0));
-	vec3 N = tangentToWorld * texN;
-  #if defined(r_normalAmbient)
-	ambientDiff = 0.781341 * texN.z + 0.218659;
-  #endif
-#elif defined(USE_LIGHT) && !defined(USE_FAST_LIGHT) 
-	vec3 N = surfN;
 #endif
 
-#if (defined(USE_LIGHT) && !defined(USE_FAST_LIGHT)) || (defined(USE_TCGEN) && defined(USE_NORMALMAP))
-	N = normalize(N);
-#endif
+	vec4 diffuse = texture2D(u_DiffuseMap, texCoords);
 
-#if defined(USE_TCGEN) && defined(USE_NORMALMAP)
-	if (u_TCGen0 == TCGEN_ENVIRONMENT_MAPPED)
-	{
-		texCoords = -reflect(E, N).yz * vec2(0.5, -0.5) + 0.5;
-	}
-#endif
+#if defined(USE_LIGHT) && !defined(USE_FAST_LIGHT)
 
-	vec4 diffuseAlbedo = texture2D(u_DiffuseMap, texCoords);
-#if defined(USE_LIGHT) && defined(USE_GAMMA2_TEXTURES)
-	diffuseAlbedo.rgb *= diffuseAlbedo.rgb;
-#endif
+  #if defined(USE_LINEAR_LIGHT)
+	diffuse.rgb *= diffuse.rgb;
+  #endif
 
-#if defined(USE_LIGHT) && defined(USE_FAST_LIGHT)
-	gl_FragColor = diffuse.rgb;
-  #if defined(USE_LIGHTMAP) 
-	gl_FragColor *= lightColor;
+  #if defined(USE_NORMALMAP)
+    #if defined(SWIZZLE_NORMALMAP)
+	N.xy = 2.0 * texture2D(u_NormalMap, texCoords).ag - vec2(1.0);
+    #else
+	N.xy = 2.0 * texture2D(u_NormalMap, texCoords).rg - vec2(1.0);
+    #endif
+	N.z = sqrt(1.0 - clamp(dot(N.xy, N.xy), 0.0, 1.0));
+    #if !defined(USE_TANGENT_SPACE_LIGHT)
+    N = normalize(tangentToWorld * N);
+    #endif
+  #elif defined(USE_TANGENT_SPACE_LIGHT)
+	N = vec3(0.0, 0.0, 1.0);
+  #else
+    N = normalize(var_Normal);
   #endif
-#elif defined(USE_LIGHT)
+  
 	L = normalize(L);
 
-	float surfNL = clamp(dot(surfN,  L),   0.0, 1.0);
-	
   #if defined(USE_SHADOWMAP) 
 	vec2 shadowTex = gl_FragCoord.xy * r_FBufScale;
 	float shadowValue = texture2D(u_ShadowMap, shadowTex).r;
 
 	// surfaces not facing the light are always shadowed
-	shadowValue *= step(0.0, dot(surfN, var_PrimaryLightDirection));
+	#if defined(USE_TANGENT_SPACE_LIGHT)
+	shadowValue *= step(0.0, var_PrimaryLightDir.z);
+	#else
+	shadowValue *= step(0.0, dot(var_Normal, var_PrimaryLightDir));
+	#endif
   
     #if defined(SHADOWMAP_MODULATE)
 	//vec3 shadowColor = min(u_PrimaryLightAmbient, lightColor);
@@ -324,106 +371,141 @@ void main()
 
       #if 0
 	// Only shadow when the world light is parallel to the primary light
-	shadowValue = 1.0 + (shadowValue - 1.0) * clamp(dot(L, var_PrimaryLightDirection), 0.0, 1.0);
+	shadowValue = 1.0 + (shadowValue - 1.0) * clamp(dot(L, var_PrimaryLightDir), 0.0, 1.0);
       #endif
 	lightColor = mix(shadowColor, lightColor, shadowValue);
     #endif
   #endif
 
   #if defined(USE_LIGHTMAP) || defined(USE_LIGHT_VERTEX)
-    #if defined(USE_STANDARD_DELUXEMAP)
-	// Standard deluxe mapping treats the light sample as fully directed
-	// and doesn't compensate for light angle attenuation.
-	vec3 ambientColor = vec3(0.0);
-    #else
-	// Separate the light sample into directed and ambient parts.
-	//
-	// ambientMax  - if the cosine of the angle between the surface
-	//               normal and the light is below this value, the light
-	//               is fully ambient.
-	// directedMax - if the cosine of the angle between the surface
-	//               normal and the light is above this value, the light
-	//               is fully directed.
-	const float ambientMax  = 0.25;
-	const float directedMax = 0.5;
-
-	float directedScale = clamp((surfNL - ambientMax) / (directedMax - ambientMax), 0.0, 1.0);
-	
-	// Scale the directed portion to compensate for the baked-in
-	// light angle attenuation.
-	directedScale /= max(surfNL, ambientMax);
-	
-      #if defined(r_normalAmbient)
-	directedScale *= 1.0 - r_normalAmbient;
-      #endif
-
-	// Recover any unused light as ambient
 	vec3 ambientColor = lightColor;
-	lightColor *= directedScale;
+	
+	#if defined(USE_TANGENT_SPACE_LIGHT)
+	float surfNL = L.z;
+	#else
+	float surfNL = clamp(dot(var_Normal, L), 0.0, 1.0);
+	#endif
+
+	// Scale the incoming light to compensate for the baked-in light angle
+	// attenuation.
+	lightColor /= max(surfNL, 0.25);
+
+	// Recover any unused light as ambient, in case attenuation is over 4x or
+	// light is below the surface
 	ambientColor -= lightColor * surfNL;
-    #endif
   #endif
+  
+	vec3 reflectance;
 
-	float NL = clamp(dot(N, L), 0.0, 1.0);
-	float NE = clamp(dot(N, E), 0.0, 1.0);
-
-	float maxReflectance = u_MaterialInfo.x;
-	float shininess = u_MaterialInfo.y;
+	NL = clamp(dot(N, L), 0.0, 1.0);
+	NE = clamp(dot(N, E), 0.0, 1.0);
 
   #if defined(USE_SPECULARMAP)
-	vec4 specularReflectance = texture2D(u_SpecularMap, texCoords);
-	specularReflectance.rgb *= maxReflectance;
-	shininess *= specularReflectance.a;
+	vec4 specular = texture2D(u_SpecularMap, texCoords);
+    #if defined(USE_LINEAR_LIGHT)
+	specular.rgb *= specular.rgb;
+	#endif
+  #else
+	vec4 specular = vec4(1.0);
+  #endif
+
+	specular *= u_MaterialInfo.xxxy;
+	
+	float gloss = specular.a;
+	float shininess = exp2(gloss * 13.0);
+	float localOcclusion = clamp((diffuse.r + diffuse.g + diffuse.b) * 16.0f, 0.0, 1.0);
+
+  #if defined(SPECULAR_IS_METALLIC)
+    // diffuse is actually base color, and red of specular is metallicness
+	float metallic = specular.r;
+	
+	specular.rgb = vec3(0.04) + 0.96 * diffuse.rgb * metallic;
+	diffuse.rgb *= 1.0 - metallic;
+  #else
 	// adjust diffuse by specular reflectance, to maintain energy conservation
-	diffuseAlbedo.rgb *= vec3(1.0) - specularReflectance.rgb;
+	diffuse.rgb *= vec3(1.0) - specular.rgb;
   #endif
+  
+	
+	reflectance = CalcDiffuse(diffuse.rgb, N, L, E, NE, NL, shininess);
 
-	gl_FragColor.rgb = lightColor * NL * CalcDiffuse(diffuseAlbedo.rgb, N, L, E, NE, NL, shininess);
-	gl_FragColor.rgb += ambientDiff * ambientColor * diffuseAlbedo.rgb;
-  #if defined(USE_PRIMARY_LIGHT)
-	vec3 L2 = var_PrimaryLightDirection;
-	float NL2 = clamp(dot(N, L2), 0.0, 1.0);
+  #if defined(r_deluxeSpecular) || defined(USE_LIGHT_VECTOR)
+	float adjShininess = shininess;
+	
+	#if !defined(USE_LIGHT_VECTOR)
+	adjShininess = exp2(gloss * r_deluxeSpecular * 13.0);
+	#endif
+	
+	H = normalize(L + E);
 
-    #if defined(USE_SHADOWMAP)
-	gl_FragColor.rgb += u_PrimaryLightColor * shadowValue * NL2 * CalcDiffuse(diffuseAlbedo.rgb, N, L2, E, NE, NL2, shininess);
+	EH = clamp(dot(E, H), 0.0, 1.0);
+	NH = clamp(dot(N, H), 0.0, 1.0);
+
+    #if !defined(USE_LIGHT_VECTOR)
+	reflectance += CalcSpecular(specular.rgb, NH, NL, NE, EH, adjShininess) * r_deluxeSpecular * localOcclusion;
     #else
-	gl_FragColor.rgb += u_PrimaryLightColor * NL2 * CalcDiffuse(diffuseAlbedo.rgb, N, L2, E, NE, NL2, shininess);
+	reflectance += CalcSpecular(specular.rgb, NH, NL, NE, EH, adjShininess) * localOcclusion;
     #endif
   #endif
-  
-  #if defined(USE_SPECULARMAP)
-	vec3 H = normalize(L + E);
+	
+	gl_FragColor.rgb  = lightColor   * reflectance * NL;  
+	gl_FragColor.rgb += ambientColor * (diffuse.rgb + specular.rgb);
+	
+  #if defined(USE_CUBEMAP)
+	reflectance = EnvironmentBRDF(gloss, NE, specular.rgb);
 
-	float EH = clamp(dot(E, H), 0.0, 1.0);
-	float NH = clamp(dot(N, H), 0.0, 1.0);
+	vec3 R = reflect(E, N);
+	#if defined(USE_TANGENT_SPACE_LIGHT)
+	R = tangentToWorld * R;
+	#endif
 
-	gl_FragColor.rgb += lightColor * NL * CalcSpecular(specularReflectance.rgb, NH, NL, NE, EH, shininess);
-  
-    #if defined(r_normalAmbient)
-	vec3 ambientHalf = normalize(surfN + E);
-	float ambientSpec = max(dot(ambientHalf, N) + 0.5, 0.0);
-	ambientSpec *= ambientSpec * 0.44;
-	gl_FragColor.rgb += specularReflectance.rgb * ambientSpec * ambientColor;
+    vec3 cubeLightColor = textureCubeLod(u_CubeMap, R, 7.0 - gloss * 7.0).rgb;
+
+    #if defined(USE_LINEAR_LIGHT)
+	cubeLightColor *= cubeLightColor;
     #endif
 
-    #if defined(USE_PRIMARY_LIGHT)
-	vec3 H2 = normalize(L2 + E);
-	float EH2 = clamp(dot(E, H2), 0.0, 1.0);
-	float NH2 = clamp(dot(N, H2), 0.0, 1.0);
+	#if defined(USE_LIGHTMAP)
+	cubeLightColor *= lightSample.rgb;
+	#elif defined (USE_LIGHT_VERTEX)
+	cubeLightColor *= var_lightColor;
+	#else
+	cubeLightColor *= lightColor * NL + ambientColor;
+	#endif
+	
+	//gl_FragColor.rgb += diffuse.rgb * textureCubeLod(u_CubeMap, N, 7.0).rgb;
+	gl_FragColor.rgb += cubeLightColor * reflectance * localOcclusion;
+  #endif
 
+  #if defined(USE_PRIMARY_LIGHT)
+	L = normalize(var_PrimaryLightDir);
+	NL = clamp(dot(N, L), 0.0, 1.0);
 
-      #if defined(USE_SHADOWMAP)
-	gl_FragColor.rgb += u_PrimaryLightColor * shadowValue * NL2 * CalcSpecular(specularReflectance.rgb, NH2, NL2, NE, EH2, shininess);
-      #else
-	gl_FragColor.rgb += u_PrimaryLightColor * NL2 * CalcSpecular(specularReflectance.rgb, NH2, NL2, NE, EH2, shininess);
-      #endif
+	H = normalize(L + E);
+	EH = clamp(dot(E, H), 0.0, 1.0);
+	NH = clamp(dot(N, H), 0.0, 1.0);
+
+	reflectance  = CalcDiffuse(diffuse.rgb, N, L, E, NE, NL, shininess);
+	reflectance += CalcSpecular(specular.rgb, NH, NL, NE, EH, shininess);
+
+    #if defined(USE_SHADOWMAP)
+	reflectance *= shadowValue;
     #endif
-  #endif  
+
+	gl_FragColor.rgb += u_PrimaryLightColor * reflectance * NL;
+  #endif
+  
+  #if defined(USE_LINEAR_LIGHT)
+	gl_FragColor.rgb = sqrt(gl_FragColor.rgb);
+  #endif
+
+	gl_FragColor.a = diffuse.a;
 #else
-	gl_FragColor.rgb = diffuseAlbedo.rgb;
+	gl_FragColor = diffuse;
+  #if defined(USE_LIGHTMAP) 
+	gl_FragColor.rgb *= lightColor;
+  #endif
 #endif
 
-	gl_FragColor.a = diffuseAlbedo.a;
-
 	gl_FragColor *= var_Color;
 }
diff --git a/src/renderergl2/glsl/lightall_vp.glsl b/src/renderergl2/glsl/lightall_vp.glsl
index 03775caf..d2bfb395 100644
--- a/src/renderergl2/glsl/lightall_vp.glsl
+++ b/src/renderergl2/glsl/lightall_vp.glsl
@@ -4,21 +4,16 @@ attribute vec4 attr_TexCoord1;
 #endif
 attribute vec4 attr_Color;
 
-attribute vec4 attr_Position;
+attribute vec3 attr_Position;
 attribute vec3 attr_Normal;
-
-#if defined(USE_VERT_TANGENT_SPACE)
 attribute vec3 attr_Tangent;
 attribute vec3 attr_Bitangent;
-#endif
 
 #if defined(USE_VERTEX_ANIMATION)
-attribute vec4 attr_Position2;
+attribute vec3 attr_Position2;
 attribute vec3 attr_Normal2;
-  #if defined(USE_VERT_TANGENT_SPACE)
 attribute vec3 attr_Tangent2;
 attribute vec3 attr_Bitangent2;
-  #endif
 #endif
 
 #if defined(USE_LIGHT) && !defined(USE_LIGHT_VECTOR)
@@ -71,35 +66,28 @@ varying vec2   var_DiffuseTex;
 varying vec2   var_LightTex;
 #endif
 
-#if defined(USE_TCGEN) || defined(USE_NORMALMAP) || (defined(USE_LIGHT) && !defined(USE_FAST_LIGHT))
-varying vec3   var_SampleToView;
+#if defined(USE_NORMALMAP) || (defined(USE_LIGHT) && !defined(USE_FAST_LIGHT))
+varying vec3   var_ViewDir;
 #endif
 
 varying vec4   var_Color;
 
-#if defined(USE_NORMALMAP) && !defined(USE_VERT_TANGENT_SPACE)
-varying vec3   var_Position;
-#endif
-
-
-#if !defined(USE_FAST_LIGHT)
+#if (defined(USE_LIGHT) && !defined(USE_FAST_LIGHT)) || defined(USE_PARALLAXMAP)
 varying vec3   var_Normal;
-  #if defined(USE_VERT_TANGENT_SPACE)
 varying vec3   var_Tangent;
 varying vec3   var_Bitangent;
-  #endif
 #endif
 
 #if defined(USE_LIGHT_VERTEX) && !defined(USE_FAST_LIGHT)
-varying vec3   var_VertLight;
+varying vec3   var_lightColor;
 #endif
 
 #if defined(USE_LIGHT) && !defined(USE_DELUXEMAP) && !defined(USE_FAST_LIGHT)
-varying vec3   var_LightDirection;
+varying vec4   var_LightDir;
 #endif
 
 #if defined(USE_PRIMARY_LIGHT) || defined(USE_SHADOWMAP)
-varying vec3   var_PrimaryLightDirection;
+varying vec3   var_PrimaryLightDir;
 #endif
 
 #if defined(USE_TCGEN)
@@ -132,7 +120,7 @@ vec2 ModTexCoords(vec2 st, vec3 position, vec4 texMatrix, vec4 offTurb)
 	float phase = offTurb.w;
 	vec2 st2 = vec2(dot(st, texMatrix.xz), dot(st, texMatrix.yw)) + offTurb.xy;
 
-	vec3 offsetPos = vec3(0); //position / 1024.0;
+	vec3 offsetPos = position * 0.0009765625;
 	offsetPos.x += offsetPos.z;
 	
 	vec2 texOffset = sin((offsetPos.xy + vec2(phase)) * 2.0 * M_PI);
@@ -145,83 +133,53 @@ vec2 ModTexCoords(vec2 st, vec3 position, vec4 texMatrix, vec4 offTurb)
 void main()
 {
 #if defined(USE_VERTEX_ANIMATION)
-	vec4 position  = mix(attr_Position, attr_Position2, u_VertexLerp);
+	vec3 position  = mix(attr_Position, attr_Position2, u_VertexLerp);
 	vec3 normal    = normalize(mix(attr_Normal,    attr_Normal2,    u_VertexLerp));
-  #if defined(USE_VERT_TANGENT_SPACE)
 	vec3 tangent   = normalize(mix(attr_Tangent,   attr_Tangent2,   u_VertexLerp));
 	vec3 bitangent = normalize(mix(attr_Bitangent, attr_Bitangent2, u_VertexLerp));
-  #endif
 #else
-	vec4 position  = attr_Position;
+	vec3 position  = attr_Position;
 	vec3 normal    = attr_Normal;
-  #if defined(USE_VERT_TANGENT_SPACE)
 	vec3 tangent   = attr_Tangent;
 	vec3 bitangent = attr_Bitangent;
-  #endif
-#endif
-
-	gl_Position = u_ModelViewProjectionMatrix * position;
-
-#if (defined(USE_LIGHTMAP) || defined(USE_LIGHT_VERTEX)) && !defined(USE_DELUXEMAP) && !defined(USE_FAST_LIGHT)
-	vec3 L = attr_LightDirection;
-#endif
-	
-#if defined(USE_MODELMATRIX)
-	position  = u_ModelMatrix * position;
-	normal    = (u_ModelMatrix * vec4(normal, 0.0)).xyz;
-  #if defined(USE_VERT_TANGENT_SPACE)
-	tangent   = (u_ModelMatrix * vec4(tangent, 0.0)).xyz;
-	bitangent = (u_ModelMatrix * vec4(bitangent, 0.0)).xyz;
-  #endif
-
-  #if defined(USE_LIGHTMAP) && !defined(USE_DELUXEMAP) && !defined(USE_FAST_LIGHT)
-	L = (u_ModelMatrix * vec4(L, 0.0)).xyz;
-  #endif
-#endif
-
-#if defined(USE_NORMALMAP) && !defined(USE_VERT_TANGENT_SPACE)
-	var_Position = position.xyz;
-#endif
-
-#if defined(USE_TCGEN) || defined(USE_NORMALMAP) || (defined(USE_LIGHT) && !defined(USE_FAST_LIGHT))
-	var_SampleToView = u_ViewOrigin - position.xyz;
 #endif
 
 #if defined(USE_TCGEN)
-	vec2 texCoords = GenTexCoords(u_TCGen0, position.xyz, normal, u_TCGen0Vector0, u_TCGen0Vector1);
+	vec2 texCoords = GenTexCoords(u_TCGen0, position, normal, u_TCGen0Vector0, u_TCGen0Vector1);
 #else
 	vec2 texCoords = attr_TexCoord0.st;
 #endif
 
 #if defined(USE_TCMOD)
-	var_DiffuseTex = ModTexCoords(texCoords, position.xyz, u_DiffuseTexMatrix, u_DiffuseTexOffTurb);
+	var_DiffuseTex = ModTexCoords(texCoords, position, u_DiffuseTexMatrix, u_DiffuseTexOffTurb);
 #else
 	var_DiffuseTex = texCoords;
 #endif
 
-#if defined(USE_LIGHTMAP)
-	var_LightTex = attr_TexCoord1.st;
+	gl_Position = u_ModelViewProjectionMatrix * vec4(position, 1.0);
+
+#if defined(USE_MODELMATRIX)
+	position  = (u_ModelMatrix * vec4(position,  1.0)).xyz;
+	normal    = (u_ModelMatrix * vec4(normal,    0.0)).xyz;
+	tangent   = (u_ModelMatrix * vec4(tangent,   0.0)).xyz;
+	bitangent = (u_ModelMatrix * vec4(bitangent, 0.0)).xyz;
 #endif
 
-#if !defined(USE_FAST_LIGHT)
-	var_Normal = normal;
-  #if defined(USE_VERT_TANGENT_SPACE)
-	var_Tangent = tangent;
-	var_Bitangent = bitangent;
+#if defined(USE_LIGHT_VECTOR)
+	vec3 L = u_LightOrigin.xyz - (position * u_LightOrigin.w);
+#elif defined(USE_LIGHT) && !defined(USE_LIGHT_VECTOR)
+	vec3 L = attr_LightDirection;
+  #if defined(USE_MODELMATRIX)
+    L = (u_ModelMatrix * vec4(L, 0.0)).xyz;
   #endif
 #endif
 
-#if defined(USE_LIGHT) && !defined(USE_DELUXEMAP)
-  #if defined(USE_LIGHT_VECTOR)
-	vec3 L = u_LightOrigin.xyz - (position.xyz * u_LightOrigin.w);
-  #endif
-  #if !defined(USE_FAST_LIGHT)
-	var_LightDirection = L;
-  #endif
+#if defined(USE_LIGHTMAP)
+	var_LightTex = attr_TexCoord1.st;
 #endif
 	
 #if defined(USE_LIGHT_VERTEX) && !defined(USE_FAST_LIGHT)
-	var_VertLight = u_VertColor.rgb * attr_Color.rgb;
+	var_lightColor = u_VertColor.rgb * attr_Color.rgb;
 	var_Color.rgb = vec3(1.0);
 	var_Color.a = u_VertColor.a * attr_Color.a + u_BaseColor.a;
 #else
@@ -229,17 +187,64 @@ void main()
 #endif
 
 #if defined(USE_LIGHT_VECTOR) && defined(USE_FAST_LIGHT)
-  #if defined(USE_INVSQRLIGHT)
-	float intensity = 1.0 / dot(L, L);
-  #else
-	float intensity = clamp((1.0 - dot(L, L) / (u_LightRadius * u_LightRadius)) * 1.07, 0.0, 1.0);
-  #endif
+	// inverse square light
+	float attenuation = u_LightRadius * u_LightRadius / dot(L, L);
+	
+	// zero light at radius, approximating q3 style
+	attenuation = 0.5 * attenuation - 0.5;
+	//attenuation = 0.0697168 * attenuation;
+	//attenuation *= step(0.294117, attenuation);
+	
+	// clamp attenuation
+	#if defined(NO_LIGHT_CLAMP)
+	attenuation *= step(0.0, attenuation);
+	#else
+	attenuation = clamp(attenuation, 0.0, 1.0);
+	#endif
+	
+	// don't attenuate directional light
+	attenuation = (attenuation - 1.0) * u_LightOrigin.w + 1.0;
+	
 	float NL = clamp(dot(normal, normalize(L)), 0.0, 1.0);
 
-	var_Color.rgb *= u_DirectedLight * intensity * NL + u_AmbientLight;
+	var_Color.rgb *= u_DirectedLight * attenuation * NL + u_AmbientLight;
+#endif
+
+#if (defined(USE_LIGHT) && !defined(USE_FAST_LIGHT)) || defined(USE_PARALLAXMAP)
+	var_Normal = normal;
+	var_Tangent = tangent;
+	var_Bitangent = bitangent;
 #endif
 
 #if defined(USE_PRIMARY_LIGHT) || defined(USE_SHADOWMAP)
-	var_PrimaryLightDirection = u_PrimaryLightOrigin.xyz - (position.xyz * u_PrimaryLightOrigin.w);
-#endif	
+	var_PrimaryLightDir = (u_PrimaryLightOrigin.xyz - (position * u_PrimaryLightOrigin.w));
+#endif
+
+#if defined(USE_LIGHT) && !defined(USE_DELUXEMAP) && !defined(USE_FAST_LIGHT)
+  #if defined(USE_LIGHT_VECTOR)
+	var_LightDir = vec4(L, u_LightOrigin.w);
+  #else
+	var_LightDir = vec4(L, 0.0);
+  #endif
+#endif
+
+#if defined(USE_NORMALMAP) || (defined(USE_LIGHT) && !defined(USE_FAST_LIGHT))
+	var_ViewDir = (u_ViewOrigin - position);
+#endif
+
+#if defined(USE_TANGENT_SPACE_LIGHT)
+	mat3 tangentToWorld = mat3(tangent, bitangent, normal);
+
+  #if defined(USE_PRIMARY_LIGHT) || defined(USE_SHADOWMAP)
+	var_PrimaryLightDir = var_PrimaryLightDir * tangentToWorld;
+  #endif
+  
+  #if defined(USE_LIGHT) && !defined(USE_DELUXEMAP) && !defined(USE_FAST_LIGHT)
+	var_LightDir.xyz = var_LightDir.xyz * tangentToWorld;
+  #endif
+
+  #if defined(USE_NORMALMAP) || (defined(USE_LIGHT) && !defined(USE_FAST_LIGHT))
+	var_ViewDir = var_ViewDir * tangentToWorld;
+  #endif
+#endif
 }
diff --git a/src/renderergl2/tr_animation.c b/src/renderergl2/tr_animation.c
index 7a6092de..5ec58903 100644
--- a/src/renderergl2/tr_animation.c
+++ b/src/renderergl2/tr_animation.c
@@ -44,15 +44,17 @@ void R_AddAnimSurfaces( trRefEntity_t *ent ) {
 	md4Surface_t	*surface;
 	md4LOD_t		*lod;
 	shader_t		*shader;
+	int             cubemapIndex;
 	int				i;
 
 	header = (md4Header_t *) tr.currentModel->modelData;
 	lod = (md4LOD_t *)( (byte *)header + header->ofsLODs );
+	cubemapIndex = R_CubemapForPoint(ent->e.origin);
 
 	surface = (md4Surface_t *)( (byte *)lod + lod->ofsSurfaces );
 	for ( i = 0 ; i < lod->numSurfaces ; i++ ) {
 		shader = R_GetShaderByHandle( surface->shaderIndex );
-		R_AddDrawSurf( (void *)surface, shader, 0 /*fogNum*/, qfalse, qfalse );
+		R_AddDrawSurf( (void *)surface, shader, 0 /*fogNum*/, qfalse, qfalse, cubemapIndex );
 		surface = (md4Surface_t *)( (byte *)surface + surface->ofsEnd );
 	}
 }
@@ -324,6 +326,7 @@ void R_MDRAddAnimSurfaces( trRefEntity_t *ent ) {
 	int				lodnum = 0;
 	int				fogNum = 0;
 	int				cull;
+	int             cubemapIndex;
 	qboolean	personalModel;
 
 	header = (mdrHeader_t *) tr.currentModel->modelData;
@@ -385,6 +388,8 @@ void R_MDRAddAnimSurfaces( trRefEntity_t *ent ) {
 	// fogNum?
 	fogNum = R_MDRComputeFogNum( header, ent );
 
+	cubemapIndex = R_CubemapForPoint(ent->e.origin);
+
 	surface = (mdrSurface_t *)( (byte *)lod + lod->ofsSurfaces );
 
 	for ( i = 0 ; i < lod->numSurfaces ; i++ )
@@ -420,7 +425,7 @@ void R_MDRAddAnimSurfaces( trRefEntity_t *ent ) {
 			&& !(ent->e.renderfx & ( RF_NOSHADOW | RF_DEPTHHACK ) )
 			&& shader->sort == SS_OPAQUE )
 		{
-			R_AddDrawSurf( (void *)surface, tr.shadowShader, 0, qfalse, qfalse );
+			R_AddDrawSurf( (void *)surface, tr.shadowShader, 0, qfalse, qfalse, 0 );
 		}
 
 		// projection shadows work fine with personal models
@@ -429,11 +434,11 @@ void R_MDRAddAnimSurfaces( trRefEntity_t *ent ) {
 			&& (ent->e.renderfx & RF_SHADOW_PLANE )
 			&& shader->sort == SS_OPAQUE )
 		{
-			R_AddDrawSurf( (void *)surface, tr.projectionShadowShader, 0, qfalse, qfalse );
+			R_AddDrawSurf( (void *)surface, tr.projectionShadowShader, 0, qfalse, qfalse, 0 );
 		}
 
 		if (!personalModel)
-			R_AddDrawSurf( (void *)surface, shader, fogNum, qfalse, qfalse );
+			R_AddDrawSurf( (void *)surface, shader, fogNum, qfalse, qfalse, cubemapIndex );
 
 		surface = (mdrSurface_t *)( (byte *)surface + surface->ofsEnd );
 	}
diff --git a/src/renderergl2/tr_backend.c b/src/renderergl2/tr_backend.c
index 5340867c..559243ca 100644
--- a/src/renderergl2/tr_backend.c
+++ b/src/renderergl2/tr_backend.c
@@ -37,13 +37,13 @@ static float	s_flipMatrix[16] = {
 
 
 /*
-** GL_Bind2
+** GL_Bind
 */
-void GL_Bind2( image_t *image, GLenum type ) {
+void GL_Bind( image_t *image ) {
 	int texnum;
 
 	if ( !image ) {
-		ri.Printf( PRINT_WARNING, "GL_Bind2: NULL image\n" );
+		ri.Printf( PRINT_WARNING, "GL_Bind: NULL image\n" );
 		texnum = tr.defaultImage->texnum;
 	} else {
 		texnum = image->texnum;
@@ -58,27 +58,14 @@ void GL_Bind2( image_t *image, GLenum type ) {
 			image->frameUsed = tr.frameCount;
 		}
 		glState.currenttextures[glState.currenttmu] = texnum;
-		qglBindTexture (type, texnum);
+		if (image && image->flags & IMGFLAG_CUBEMAP)
+			qglBindTexture( GL_TEXTURE_CUBE_MAP, texnum );
+		else
+			qglBindTexture( GL_TEXTURE_2D, texnum );
 	}
 }
 
 /*
-** GL_Bind2
-*/
-void GL_Bind( image_t *image )
-{
-	GL_Bind2( image, GL_TEXTURE_2D );
-}
-
-/*
-** GL_BindCubemap
-*/
-void GL_BindCubemap( image_t *image )
-{
-	GL_Bind2( image, GL_TEXTURE_CUBE_MAP );
-}
-
-/*
 ** GL_SelectTexture
 */
 void GL_SelectTexture( int unit )
@@ -96,34 +83,6 @@ void GL_SelectTexture( int unit )
 	glState.currenttmu = unit;
 }
 
-
-/*
-** GL_BindMultitexture
-*/
-void GL_BindMultitexture( image_t *image0, GLuint env0, image_t *image1, GLuint env1 ) {
-	int		texnum0, texnum1;
-
-	texnum0 = image0->texnum;
-	texnum1 = image1->texnum;
-
-	if ( r_nobind->integer && tr.dlightImage ) {		// performance evaluation option
-		texnum0 = texnum1 = tr.dlightImage->texnum;
-	}
-
-	if ( glState.currenttextures[1] != texnum1 ) {
-		GL_SelectTexture( 1 );
-		image1->frameUsed = tr.frameCount;
-		glState.currenttextures[1] = texnum1;
-		qglBindTexture( GL_TEXTURE_2D, texnum1 );
-	}
-	if ( glState.currenttextures[0] != texnum0 ) {
-		GL_SelectTexture( 0 );
-		image0->frameUsed = tr.frameCount;
-		glState.currenttextures[0] = texnum0;
-		qglBindTexture( GL_TEXTURE_2D, texnum0 );
-	}
-}
-
 /*
 ** GL_BindToTMU
 */
@@ -142,7 +101,11 @@ void GL_BindToTMU( image_t *image, int tmu )
 		if (image)
 			image->frameUsed = tr.frameCount;
 		glState.currenttextures[tmu] = texnum;
-		qglBindTexture( GL_TEXTURE_2D, texnum );
+
+		if (image && (image->flags & IMGFLAG_CUBEMAP))
+			qglBindTexture( GL_TEXTURE_CUBE_MAP, texnum );
+		else
+			qglBindTexture( GL_TEXTURE_2D, texnum );
 		GL_SelectTexture( oldtmu );
 	}
 }
@@ -497,6 +460,13 @@ void RB_BeginDrawingView (void) {
 		else
 		{
 			FBO_Bind(backEnd.viewParms.targetFbo);
+
+			// FIXME: hack for cubemap testing
+			if (backEnd.viewParms.targetFbo == tr.renderCubeFbo)
+			{
+				//qglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_CUBE_MAP_POSITIVE_X + backEnd.viewParms.targetFboLayer, backEnd.viewParms.targetFbo->colorImage[0]->texnum, 0);
+				qglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_CUBE_MAP_POSITIVE_X + backEnd.viewParms.targetFboLayer, tr.cubemaps[backEnd.viewParms.targetFboCubemapIndex]->texnum, 0);
+			}
 		}
 	}
 
@@ -531,6 +501,13 @@ void RB_BeginDrawingView (void) {
 		qglClearColor( 1.0f, 1.0f, 1.0f, 1.0f );
 	}
 
+	// clear to black for cube maps
+	if (backEnd.viewParms.targetFbo == tr.renderCubeFbo)
+	{
+		clearBits |= GL_COLOR_BUFFER_BIT;
+		qglClearColor( 0.0f, 0.0f, 0.0f, 1.0f );
+	}
+
 	qglClear( clearBits );
 
 	if ( ( backEnd.refdef.rdflags & RDF_HYPERSPACE ) )
@@ -582,6 +559,7 @@ void RB_RenderDrawSurfList( drawSurf_t *drawSurfs, int numDrawSurfs ) {
 	int				entityNum, oldEntityNum;
 	int				dlighted, oldDlighted;
 	int				pshadowed, oldPshadowed;
+	int             cubemapIndex, oldCubemapIndex;
 	qboolean		depthRange, oldDepthRange, isCrosshair, wasCrosshair;
 	int				i;
 	drawSurf_t		*drawSurf;
@@ -607,6 +585,7 @@ void RB_RenderDrawSurfList( drawSurf_t *drawSurfs, int numDrawSurfs ) {
 	wasCrosshair = qfalse;
 	oldDlighted = qfalse;
 	oldPshadowed = qfalse;
+	oldCubemapIndex = -1;
 	oldSort = -1;
 
 	depth[0] = 0.f;
@@ -615,7 +594,7 @@ void RB_RenderDrawSurfList( drawSurf_t *drawSurfs, int numDrawSurfs ) {
 	backEnd.pc.c_surfaces += numDrawSurfs;
 
 	for (i = 0, drawSurf = drawSurfs ; i < numDrawSurfs ; i++, drawSurf++) {
-		if ( drawSurf->sort == oldSort ) {
+		if ( drawSurf->sort == oldSort && drawSurf->cubemapIndex == oldCubemapIndex) {
 			if (backEnd.depthFill && shader && shader->sort != SS_OPAQUE)
 				continue;
 
@@ -625,22 +604,24 @@ void RB_RenderDrawSurfList( drawSurf_t *drawSurfs, int numDrawSurfs ) {
 		}
 		oldSort = drawSurf->sort;
 		R_DecomposeSort( drawSurf->sort, &entityNum, &shader, &fogNum, &dlighted, &pshadowed );
+		cubemapIndex = drawSurf->cubemapIndex;
 
 		//
 		// change the tess parameters if needed
 		// a "entityMergable" shader is a shader that can have surfaces from seperate
 		// entities merged into a single batch, like smoke and blood puff sprites
-		if ( shader != NULL && ( shader != oldShader || fogNum != oldFogNum || dlighted != oldDlighted || pshadowed != oldPshadowed
+		if ( shader != NULL && ( shader != oldShader || fogNum != oldFogNum || dlighted != oldDlighted || pshadowed != oldPshadowed || cubemapIndex != oldCubemapIndex
 			|| ( entityNum != oldEntityNum && !shader->entityMergable ) ) ) {
 			if (oldShader != NULL) {
 				RB_EndSurface();
 			}
-			RB_BeginSurface( shader, fogNum );
+			RB_BeginSurface( shader, fogNum, cubemapIndex );
 			backEnd.pc.c_surfBatches++;
 			oldShader = shader;
 			oldFogNum = fogNum;
 			oldDlighted = dlighted;
 			oldPshadowed = pshadowed;
+			oldCubemapIndex = cubemapIndex;
 		}
 
 		if (backEnd.depthFill && shader && shader->sort != SS_OPAQUE)
@@ -982,7 +963,7 @@ const void *RB_StretchPic ( const void *data ) {
 			RB_EndSurface();
 		}
 		backEnd.currentEntity = &backEnd.entity2D;
-		RB_BeginSurface( shader, 0 );
+		RB_BeginSurface( shader, 0, 0 );
 	}
 
 	RB_CHECKOVERFLOW( 4, 6 );
@@ -1312,8 +1293,14 @@ const void	*RB_DrawSurfs( const void *data ) {
 		RB_RenderFlares();
 	}
 
-	//if (glRefConfig.framebufferObject)
-		//FBO_Bind(NULL);
+	if (glRefConfig.framebufferObject && backEnd.viewParms.targetFbo == tr.renderCubeFbo)
+	{
+		FBO_Bind(NULL);
+		GL_SelectTexture(TB_CUBEMAP);
+		GL_BindToTMU(tr.cubemaps[backEnd.viewParms.targetFboCubemapIndex], TB_CUBEMAP);
+		qglGenerateMipmapEXT(GL_TEXTURE_CUBE_MAP);
+		GL_SelectTexture(0);
+	}
 
 	return (const void *)(cmd + 1);
 }
@@ -1587,7 +1574,7 @@ const void *RB_CapShadowMap(const void *data)
 		GL_SelectTexture(0);
 		if (cmd->cubeSide != -1)
 		{
-			GL_BindCubemap(tr.shadowCubemaps[cmd->map]);
+			GL_Bind(tr.shadowCubemaps[cmd->map]);
 			qglCopyTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + cmd->cubeSide, 0, GL_RGBA8, backEnd.refdef.x, glConfig.vidHeight - ( backEnd.refdef.y + PSHADOW_MAP_SIZE ), PSHADOW_MAP_SIZE, PSHADOW_MAP_SIZE, 0);
 		}
 		else
@@ -1683,7 +1670,7 @@ const void *RB_PostProcess(const void *data)
 			color[2] = pow(2, r_cameraExposure->value); //exp2(r_cameraExposure->value);
 			color[3] = 1.0f;
 
-			FBO_Blit(srcFbo, NULL, NULL, tr.screenScratchFbo, dstBox, NULL, color, 0);
+			FBO_Blit(srcFbo, srcBox, NULL, tr.screenScratchFbo, dstBox, NULL, color, 0);
 		}
 	}
 
@@ -1722,6 +1709,21 @@ const void *RB_PostProcess(const void *data)
 		FBO_BlitFromTexture(tr.sunRaysImage, NULL, NULL, tr.screenScratchFbo, dstBox, NULL, NULL, 0);
 	}
 
+#if 0
+	if (r_cubeMapping->integer && tr.numCubemaps)
+	{
+		vec4i_t dstBox;
+		int cubemapIndex = R_CubemapForPoint( backEnd.viewParms.or.origin );
+
+		if (cubemapIndex)
+		{
+			VectorSet4(dstBox, 0, glConfig.vidHeight - 256, 256, 256);
+			//FBO_BlitFromTexture(tr.renderCubeImage, NULL, NULL, tr.screenScratchFbo, dstBox, &tr.testcubeShader, NULL, 0);
+			FBO_BlitFromTexture(tr.cubemaps[cubemapIndex - 1], NULL, NULL, tr.screenScratchFbo, dstBox, &tr.testcubeShader, NULL, 0);
+		}
+	}
+#endif
+
 	backEnd.framePostProcessed = qtrue;
 
 	return (const void *)(cmd + 1);
diff --git a/src/renderergl2/tr_bsp.c b/src/renderergl2/tr_bsp.c
index adf14c06..f1eb51e3 100644
--- a/src/renderergl2/tr_bsp.c
+++ b/src/renderergl2/tr_bsp.c
@@ -1806,6 +1806,14 @@ static int BSPSurfaceCompare(const void *a, const void *b)
 	else if(aa->fogIndex > bb->fogIndex)
 		return 1;
 
+	// by cubemapIndex
+	if(aa->cubemapIndex < bb->cubemapIndex)
+		return -1;
+
+	else if(aa->cubemapIndex > bb->cubemapIndex)
+		return 1;
+
+
 	return 0;
 }
 
@@ -2815,6 +2823,191 @@ qboolean R_GetEntityToken( char *buffer, int size ) {
 	}
 }
 
+#ifndef MAX_SPAWN_VARS
+#define MAX_SPAWN_VARS 64
+#endif
+
+// derived from G_ParseSpawnVars() in g_spawn.c
+qboolean R_ParseSpawnVars( char *spawnVarChars, int maxSpawnVarChars, int *numSpawnVars, char *spawnVars[MAX_SPAWN_VARS][2] )
+{
+	char		keyname[MAX_TOKEN_CHARS];
+	char		com_token[MAX_TOKEN_CHARS];
+	int			numSpawnVarChars = 0;
+
+	*numSpawnVars = 0;
+
+	// parse the opening brace
+	if ( !R_GetEntityToken( com_token, sizeof( com_token ) ) ) {
+		// end of spawn string
+		return qfalse;
+	}
+	if ( com_token[0] != '{' ) {
+		ri.Printf( PRINT_ALL, "R_ParseSpawnVars: found %s when expecting {",com_token );
+	}
+
+	// go through all the key / value pairs
+	while ( 1 ) {	
+		int keyLength, tokenLength;
+
+		// parse key
+		if ( !R_GetEntityToken( keyname, sizeof( keyname ) ) ) {
+			ri.Printf( PRINT_ALL, "R_ParseSpawnVars: EOF without closing brace" );
+		}
+
+		if ( keyname[0] == '}' ) {
+			break;
+		}
+		
+		// parse value	
+		if ( !R_GetEntityToken( com_token, sizeof( com_token ) ) ) {
+			ri.Printf( PRINT_ALL, "R_ParseSpawnVars: EOF without closing brace" );
+			break;
+		}
+
+		if ( com_token[0] == '}' ) {
+			ri.Printf( PRINT_ALL, "R_ParseSpawnVars: closing brace without data" );
+			break;
+		}
+
+		if ( *numSpawnVars == MAX_SPAWN_VARS ) {
+			ri.Printf( PRINT_ALL, "R_ParseSpawnVars: MAX_SPAWN_VARS" );
+			break;
+		}
+
+		keyLength = strlen(keyname) + 1;
+		tokenLength = strlen(com_token) + 1;
+
+		if (numSpawnVarChars + keyLength + tokenLength > maxSpawnVarChars)
+		{
+			ri.Printf( PRINT_ALL, "R_ParseSpawnVars: MAX_SPAWN_VAR_CHARS" );
+			break;
+		}
+
+		strcpy(spawnVarChars + numSpawnVarChars, keyname);
+		spawnVars[ *numSpawnVars ][0] = spawnVarChars + numSpawnVarChars;
+		numSpawnVarChars += keyLength;
+
+		strcpy(spawnVarChars + numSpawnVarChars, com_token);
+		spawnVars[ *numSpawnVars ][1] = spawnVarChars + numSpawnVarChars;
+		numSpawnVarChars += tokenLength;
+
+		(*numSpawnVars)++;
+	}
+
+	return qtrue;
+}
+
+void R_LoadCubemapEntities(char *cubemapEntityName)
+{
+	char spawnVarChars[2048];
+	int numSpawnVars;
+	char *spawnVars[MAX_SPAWN_VARS][2];
+	int numCubemaps = 0;
+
+	// count cubemaps
+	numCubemaps = 0;
+	while(R_ParseSpawnVars(spawnVarChars, sizeof(spawnVarChars), &numSpawnVars, spawnVars))
+	{
+		int i;
+
+		for (i = 0; i < numSpawnVars; i++)
+		{
+			if (!Q_stricmp(spawnVars[i][0], "classname") && !Q_stricmp(spawnVars[i][1], cubemapEntityName))
+				numCubemaps++;
+		}
+	}
+
+	if (!numCubemaps)
+		return;
+
+	tr.numCubemaps = numCubemaps;
+	tr.cubemapOrigins = ri.Hunk_Alloc( tr.numCubemaps * sizeof(*tr.cubemapOrigins), h_low);
+	tr.cubemaps = ri.Hunk_Alloc( tr.numCubemaps * sizeof(*tr.cubemaps), h_low);
+
+	numCubemaps = 0;
+	while(R_ParseSpawnVars(spawnVarChars, sizeof(spawnVarChars), &numSpawnVars, spawnVars))
+	{
+		int i;
+		qboolean isCubemap = qfalse;
+		qboolean positionSet = qfalse;
+		vec3_t origin;
+
+		for (i = 0; i < numSpawnVars; i++)
+		{
+			if (!Q_stricmp(spawnVars[i][0], "classname") && !Q_stricmp(spawnVars[i][1], cubemapEntityName))
+				isCubemap = qtrue;
+
+			if (!Q_stricmp(spawnVars[i][0], "origin"))
+			{
+				sscanf(spawnVars[i][1], "%f %f %f", &origin[0], &origin[1], &origin[2]);
+				positionSet = qtrue;
+			}
+		}
+
+		if (isCubemap && positionSet)
+		{
+			//ri.Printf(PRINT_ALL, "cubemap at %f %f %f\n", origin[0], origin[1], origin[2]);
+			VectorCopy(origin, tr.cubemapOrigins[numCubemaps]);
+			numCubemaps++;
+		}
+	}
+}
+
+void R_AssignCubemapsToWorldSurfaces(void)
+{
+	world_t	*w;
+	int i;
+
+	w = &s_worldData;
+
+	for (i = 0; i < w->numsurfaces; i++)
+	{
+		msurface_t *surf = &w->surfaces[i];
+		vec3_t surfOrigin;
+
+		if (surf->cullinfo.type & CULLINFO_SPHERE)
+		{
+			VectorCopy(surf->cullinfo.localOrigin, surfOrigin);
+		}
+		else if (surf->cullinfo.type & CULLINFO_BOX)
+		{
+			surfOrigin[0] = (surf->cullinfo.bounds[0][0] + surf->cullinfo.bounds[1][0]) * 0.5f;
+			surfOrigin[1] = (surf->cullinfo.bounds[0][1] + surf->cullinfo.bounds[1][1]) * 0.5f;
+			surfOrigin[2] = (surf->cullinfo.bounds[0][2] + surf->cullinfo.bounds[1][2]) * 0.5f;
+		}
+		else
+		{
+			//ri.Printf(PRINT_ALL, "surface %d has no cubemap\n", i);
+			continue;
+		}
+
+		surf->cubemapIndex = R_CubemapForPoint(surfOrigin);
+		//ri.Printf(PRINT_ALL, "surface %d has cubemap %d\n", i, surf->cubemapIndex);
+	}
+}
+
+
+void R_RenderAllCubemaps(void)
+{
+	int i, j;
+
+	for (i = 0; i < tr.numCubemaps; i++)
+	{
+		tr.cubemaps[i] = R_CreateImage(va("*cubeMap%d", i), NULL, CUBE_MAP_SIZE, CUBE_MAP_SIZE, IMGTYPE_COLORALPHA, IMGFLAG_NO_COMPRESSION | IMGFLAG_CLAMPTOEDGE | IMGFLAG_MIPMAP | IMGFLAG_CUBEMAP, GL_RGBA8);
+	}
+	
+	for (i = 0; i < tr.numCubemaps; i++)
+	{
+		for (j = 0; j < 6; j++)
+		{
+			RE_ClearScene();
+			R_RenderCubemapSide(i, j, qfalse);
+			R_IssuePendingRenderCommands();
+			R_InitNextFrame();
+		}
+	}
+}
+
 
 /*
 =================
@@ -2867,6 +3060,7 @@ void R_MergeLeafSurfaces(void)
 			msurface_t *surf1;
 			shader_t *shader1;
 			int fogIndex1;
+			int cubemapIndex1;
 			int surfNum1;
 
 			surfNum1 = *(s_worldData.marksurfaces + leaf->firstmarksurface + j);
@@ -2891,6 +3085,7 @@ void R_MergeLeafSurfaces(void)
 				continue;
 
 			fogIndex1 = surf1->fogIndex;
+			cubemapIndex1 = surf1->cubemapIndex;
 
 			s_worldData.surfacesViewCount[surfNum1] = surfNum1;
 
@@ -2899,6 +3094,7 @@ void R_MergeLeafSurfaces(void)
 				msurface_t *surf2;
 				shader_t *shader2;
 				int fogIndex2;
+				int cubemapIndex2;
 				int surfNum2;
 
 				surfNum2 = *(s_worldData.marksurfaces + leaf->firstmarksurface + k);
@@ -2921,6 +3117,11 @@ void R_MergeLeafSurfaces(void)
 				if (fogIndex1 != fogIndex2)
 					continue;
 
+				cubemapIndex2 = surf2->cubemapIndex;
+
+				if (cubemapIndex1 != cubemapIndex2)
+					continue;
+
 				s_worldData.surfacesViewCount[surfNum2] = surfNum1;
 			}
 		}
@@ -3154,6 +3355,7 @@ void R_MergeLeafSurfaces(void)
 
 		vboSurf->shader = surf1->shader;
 		vboSurf->fogIndex = surf1->fogIndex;
+		vboSurf->cubemapIndex = surf1->cubemapIndex;
 
 		VectorCopy(bounds[0], vboSurf->bounds[0]);
 		VectorCopy(bounds[1], vboSurf->bounds[1]);
@@ -3164,6 +3366,7 @@ void R_MergeLeafSurfaces(void)
 		mergedSurf->cullinfo.type = CULLINFO_BOX;
 		mergedSurf->data          = (surfaceType_t *)vboSurf;
 		mergedSurf->fogIndex      = surf1->fogIndex;
+		mergedSurf->cubemapIndex  = surf1->cubemapIndex;
 		mergedSurf->shader        = surf1->shader;
 
 		// redirect view surfaces to this surf
@@ -3540,6 +3743,22 @@ void RE_LoadWorldMap( const char *name ) {
 		ri.Free(primaryLightGrid);
 	}
 
+	// load cubemaps
+	if (r_cubeMapping->integer)
+	{
+		R_LoadCubemapEntities("misc_cubemap");
+		if (!tr.numCubemaps)
+		{
+			// use deathmatch spawn points as cubemaps
+			R_LoadCubemapEntities("info_player_deathmatch");
+		}
+
+		if (tr.numCubemaps)
+		{
+			R_AssignCubemapsToWorldSurfaces();
+		}
+	}
+
 	// create static VBOS from the world
 	R_CreateWorldVBO();
 	if (r_mergeLeafSurfaces->integer)
@@ -3556,5 +3775,11 @@ void RE_LoadWorldMap( const char *name ) {
 	R_BindNullVBO();
 	R_BindNullIBO();
 
+	// Render all cubemaps
+	if (r_cubeMapping->integer && tr.numCubemaps)
+	{
+		R_RenderAllCubemaps();
+	}
+
     ri.FS_FreeFile( buffer.v );
 }
diff --git a/src/renderergl2/tr_extensions.c b/src/renderergl2/tr_extensions.c
index 10e29742..03b5e23d 100644
--- a/src/renderergl2/tr_extensions.c
+++ b/src/renderergl2/tr_extensions.c
@@ -595,19 +595,50 @@ void GLimp_InitExtraExtensions()
 
 	// GL_EXT_texture_sRGB
 	extension = "GL_EXT_texture_sRGB";
-	glRefConfig.texture_srgb = qfalse;
+	glRefConfig.textureSrgb = qfalse;
 	if (GLimp_HaveExtension(extension))
 	{
 		if (r_srgb->integer)
-			glRefConfig.texture_srgb = qtrue;
+			glRefConfig.textureSrgb = qtrue;
 
-		ri.Printf(PRINT_ALL, result[glRefConfig.texture_srgb], extension);
+		ri.Printf(PRINT_ALL, result[glRefConfig.textureSrgb], extension);
 	}
 	else
 	{
 		ri.Printf(PRINT_ALL, result[2], extension);
 	}
 
+	// GL_EXT_framebuffer_sRGB
+	extension = "GL_EXT_framebuffer_sRGB";
+	glRefConfig.framebufferSrgb = qfalse;
+	if (GLimp_HaveExtension(extension))
+	{
+		if (r_srgb->integer)
+			glRefConfig.framebufferSrgb = qtrue;
+
+		ri.Printf(PRINT_ALL, result[glRefConfig.framebufferSrgb], extension);
+	}
+	else
+	{
+		ri.Printf(PRINT_ALL, result[2], extension);
+	}
+
+	// GL_EXT_texture_sRGB_decode
+	extension = "GL_EXT_texture_sRGB_decode";
+	glRefConfig.textureSrgbDecode = qfalse;
+	if (GLimp_HaveExtension(extension))
+	{
+		if (r_srgb->integer)
+			glRefConfig.textureSrgbDecode = qtrue;
+
+		ri.Printf(PRINT_ALL, result[glRefConfig.textureSrgbDecode], extension);
+	}
+	else
+	{
+		ri.Printf(PRINT_ALL, result[2], extension);
+	}
+
+
 	glRefConfig.textureCompression = TCR_NONE;
 
 	// GL_EXT_texture_compression_latc
@@ -664,4 +695,17 @@ void GLimp_InitExtraExtensions()
 	{
 		ri.Printf(PRINT_ALL, result[2], extension);
 	}
+
+	// GL_ARB_seamless_cube_map
+	extension = "GL_ARB_seamless_cube_map";
+	glRefConfig.seamlessCubeMap = qfalse;
+	if( GLimp_HaveExtension( extension ) )
+	{
+		glRefConfig.seamlessCubeMap = qtrue;
+		ri.Printf(PRINT_ALL, result[1], extension);
+	}
+	else
+	{
+		ri.Printf(PRINT_ALL, result[2], extension);
+	}
 }
diff --git a/src/renderergl2/tr_fbo.c b/src/renderergl2/tr_fbo.c
index fee11d5c..a1d1339b 100644
--- a/src/renderergl2/tr_fbo.c
+++ b/src/renderergl2/tr_fbo.c
@@ -579,6 +579,19 @@ void FBO_Init(void)
 		R_CheckFBO(tr.screenSsaoFbo);
 	}
 
+	{
+		tr.renderCubeFbo = FBO_Create("_renderCubeFbo", tr.renderCubeImage->width, tr.renderCubeImage->height);
+		FBO_Bind(tr.renderCubeFbo);
+		
+		//FBO_AttachTextureImage(tr.renderCubeImage, 0);
+		R_AttachFBOTexture2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB, tr.renderCubeImage->texnum, 0);
+		glState.currentFBO->colorImage[0] = tr.renderCubeImage;
+
+		FBO_CreateBuffer(tr.renderCubeFbo, GL_DEPTH_COMPONENT24_ARB, 0, 0);
+
+		R_CheckFBO(tr.renderCubeFbo);
+	}
+
 	GL_CheckErrors();
 
 	FBO_Bind(NULL);
@@ -783,7 +796,10 @@ void FBO_Blit(FBO_t *src, vec4i_t inSrcBox, vec2_t srcTexScale, FBO_t *dst, vec4
 	vec4i_t srcBox;
 
 	if (!src)
+	{
+		ri.Printf(PRINT_WARNING, "Tried to blit from a NULL FBO!\n");
 		return;
+	}
 
 	// framebuffers are 0 bottom, Y up.
 	if (inSrcBox)
diff --git a/src/renderergl2/tr_flares.c b/src/renderergl2/tr_flares.c
index f097c51e..4c047afc 100644
--- a/src/renderergl2/tr_flares.c
+++ b/src/renderergl2/tr_flares.c
@@ -371,7 +371,7 @@ void RB_RenderFlare( flare_t *f ) {
 	iColor[1] = color[1] * fogFactors[1];
 	iColor[2] = color[2] * fogFactors[2];
 	
-	RB_BeginSurface( tr.flareShader, f->fogNum );
+	RB_BeginSurface( tr.flareShader, f->fogNum, 0 );
 
 	// FIXME: use quadstamp?
 	tess.xyz[tess.numVertexes][0] = f->windowX - size;
diff --git a/src/renderergl2/tr_glsl.c b/src/renderergl2/tr_glsl.c
index d8b07432..38eb7f6d 100644
--- a/src/renderergl2/tr_glsl.c
+++ b/src/renderergl2/tr_glsl.c
@@ -71,6 +71,7 @@ static uniformInfo_t uniformsInfo[] =
 
 	{ "u_TextureMap", GLSL_INT },
 	{ "u_LevelsMap",  GLSL_INT },
+	{ "u_CubeMap",    GLSL_INT },
 
 	{ "u_ScreenImageMap", GLSL_INT },
 	{ "u_ScreenDepthMap", GLSL_INT },
@@ -997,37 +998,35 @@ void GLSL_InitGPUShaders(void)
 	for (i = 0; i < LIGHTDEF_COUNT; i++)
 	{
 		// skip impossible combos
-		if ((i & LIGHTDEF_USE_NORMALMAP) && !r_normalMapping->integer)
-			continue;
-
 		if ((i & LIGHTDEF_USE_PARALLAXMAP) && !r_parallaxMapping->integer)
 			continue;
 
-		if ((i & LIGHTDEF_USE_SPECULARMAP) && !r_specularMapping->integer)
-			continue;
-
 		if ((i & LIGHTDEF_USE_DELUXEMAP) && !r_deluxeMapping->integer)
 			continue;
 
-		if (!((i & LIGHTDEF_LIGHTTYPE_MASK) == LIGHTDEF_USE_LIGHTMAP) && (i & LIGHTDEF_USE_DELUXEMAP))
+		if ((i & LIGHTDEF_USE_CUBEMAP) && !r_cubeMapping->integer)
 			continue;
 
-		if (!(i & LIGHTDEF_USE_NORMALMAP) && (i & LIGHTDEF_USE_PARALLAXMAP))
+		if (!((i & LIGHTDEF_LIGHTTYPE_MASK) == LIGHTDEF_USE_LIGHTMAP) && (i & LIGHTDEF_USE_DELUXEMAP))
 			continue;
 
-		//if (!((i & LIGHTDEF_LIGHTTYPE_MASK) == LIGHTDEF_USE_LIGHT_VECTOR))
 		if (!(i & LIGHTDEF_LIGHTTYPE_MASK))
 		{
 			if (i & LIGHTDEF_USE_SHADOWMAP)
 				continue;
+			if (i & LIGHTDEF_USE_CUBEMAP)
+				continue;
 		}
 
 		attribs = ATTR_POSITION | ATTR_TEXCOORD | ATTR_COLOR | ATTR_NORMAL;
 
 		extradefines[0] = '\0';
 
-		if (r_normalAmbient->value > 0.003f)
-			Q_strcat(extradefines, 1024, va("#define r_normalAmbient %f\n", r_normalAmbient->value));
+		if (r_deluxeSpecular->value > 0.000001f)
+			Q_strcat(extradefines, 1024, va("#define r_deluxeSpecular %f\n", r_deluxeSpecular->value));
+
+		if (r_specularIsMetallic->value)
+			Q_strcat(extradefines, 1024, va("#define SPECULAR_IS_METALLIC\n"));
 
 		if (r_dlightMode->integer >= 2)
 			Q_strcat(extradefines, 1024, "#define USE_SHADOWMAP\n");
@@ -1065,7 +1064,7 @@ void GLSL_InitGPUShaders(void)
 			}
 		}
 
-		if ((i & LIGHTDEF_USE_NORMALMAP) && r_normalMapping->integer)
+		if (r_normalMapping->integer)
 		{
 			Q_strcat(extradefines, 1024, "#define USE_NORMALMAP\n");
 
@@ -1081,7 +1080,7 @@ void GLSL_InitGPUShaders(void)
 #endif
 		}
 
-		if ((i & LIGHTDEF_USE_SPECULARMAP) && r_specularMapping->integer)
+		if (r_specularMapping->integer)
 		{
 			Q_strcat(extradefines, 1024, "#define USE_SPECULARMAP\n");
 
@@ -1089,19 +1088,23 @@ void GLSL_InitGPUShaders(void)
 			{
 				case 1:
 				default:
-					Q_strcat(extradefines, 1024, "#define USE_TRIACE\n");
+					Q_strcat(extradefines, 1024, "#define USE_BLINN\n");
 					break;
 
 				case 2:
-					Q_strcat(extradefines, 1024, "#define USE_BLINN\n");
+					Q_strcat(extradefines, 1024, "#define USE_BLINN_FRESNEL\n");
 					break;
 
 				case 3:
-					Q_strcat(extradefines, 1024, "#define USE_COOK_TORRANCE\n");
+					Q_strcat(extradefines, 1024, "#define USE_MCAULEY\n");
 					break;
 
 				case 4:
-					Q_strcat(extradefines, 1024, "#define USE_TORRANCE_SPARROW\n");
+					Q_strcat(extradefines, 1024, "#define USE_GOTANDA\n");
+					break;
+
+				case 5:
+					Q_strcat(extradefines, 1024, "#define USE_LAZAROV\n");
 					break;
 			}
 		}
@@ -1112,6 +1115,9 @@ void GLSL_InitGPUShaders(void)
 		if ((i & LIGHTDEF_USE_PARALLAXMAP) && !(i & LIGHTDEF_ENTITY) && r_parallaxMapping->integer)
 			Q_strcat(extradefines, 1024, "#define USE_PARALLAXMAP\n");
 
+		if ((i & LIGHTDEF_USE_CUBEMAP))
+			Q_strcat(extradefines, 1024, "#define USE_CUBEMAP\n");
+
 		if (i & LIGHTDEF_USE_SHADOWMAP)
 		{
 			Q_strcat(extradefines, 1024, "#define USE_SHADOWMAP\n");
@@ -1134,7 +1140,7 @@ void GLSL_InitGPUShaders(void)
 			attribs |= ATTR_POSITION2 | ATTR_NORMAL2;
 
 #ifdef USE_VERT_TANGENT_SPACE
-			if (i & LIGHTDEF_USE_NORMALMAP && r_normalMapping->integer)
+			if (r_normalMapping->integer)
 			{
 				attribs |= ATTR_TANGENT2 | ATTR_BITANGENT2;
 			}
@@ -1155,6 +1161,7 @@ void GLSL_InitGPUShaders(void)
 		GLSL_SetUniformInt(&tr.lightallShader[i], UNIFORM_DELUXEMAP,   TB_DELUXEMAP);
 		GLSL_SetUniformInt(&tr.lightallShader[i], UNIFORM_SPECULARMAP, TB_SPECULARMAP);
 		GLSL_SetUniformInt(&tr.lightallShader[i], UNIFORM_SHADOWMAP,   TB_SHADOWMAP);
+		GLSL_SetUniformInt(&tr.lightallShader[i], UNIFORM_CUBEMAP,     TB_CUBEMAP);
 		qglUseProgramObjectARB(0);
 
 		GLSL_FinishGPUShader(&tr.lightallShader[i]);
@@ -1361,6 +1368,26 @@ void GLSL_InitGPUShaders(void)
 		numEtcShaders++;
 	}
 
+#if 0
+	attribs = ATTR_POSITION | ATTR_TEXCOORD;
+	extradefines[0] = '\0';
+
+	if (!GLSL_InitGPUShader(&tr.testcubeShader, "testcube", attribs, qtrue, extradefines, qtrue, NULL, NULL))
+	{
+		ri.Error(ERR_FATAL, "Could not load testcube shader!");
+	}
+
+	GLSL_InitUniforms(&tr.testcubeShader);
+
+	qglUseProgramObjectARB(tr.testcubeShader.program);
+	GLSL_SetUniformInt(&tr.testcubeShader, UNIFORM_TEXTUREMAP, TB_COLORMAP);
+	qglUseProgramObjectARB(0);
+
+	GLSL_FinishGPUShader(&tr.testcubeShader);
+
+	numEtcShaders++;
+#endif
+
 
 	endTime = ri.Milliseconds();
 
diff --git a/src/renderergl2/tr_image.c b/src/renderergl2/tr_image.c
index 7f264983..61af1b64 100644
--- a/src/renderergl2/tr_image.c
+++ b/src/renderergl2/tr_image.c
@@ -409,7 +409,9 @@ static void RGBAtoNormal(const byte *in, byte *out, int width, int height, qbool
 
 		for (x = 0; x < width; x++)
 		{
-			*outbyte = (inbyte[0] >> 2) + (inbyte[1] >> 1) + (inbyte[2] >> 2);
+			byte result = (inbyte[0] >> 2) + (inbyte[1] >> 1) + (inbyte[2] >> 2);
+			result = result * result / 255; // Make linear
+			*outbyte = result;
 			max = MAX(max, *outbyte);
 			outbyte += 4;
 			inbyte  += 4;
@@ -1857,7 +1859,7 @@ static GLenum RawImage_GetFormat(const byte *data, int numPixels, qboolean light
 			}
 		}
 
-		if (glRefConfig.texture_srgb && (flags & IMGFLAG_SRGB))
+		if (glRefConfig.textureSrgb && (flags & IMGFLAG_SRGB))
 		{
 			switch(internalFormat)
 			{
@@ -2050,7 +2052,7 @@ static void Upload32( byte *data, int width, int height, imgType_t type, imgFlag
 	}
 
 	// Convert to RGB if sRGB textures aren't supported in hardware
-	if (!glRefConfig.texture_srgb && (flags & IMGFLAG_SRGB))
+	if (!glRefConfig.textureSrgb && (flags & IMGFLAG_SRGB))
 	{
 		byte *in = data;
 		int c = width * height;
@@ -2279,12 +2281,21 @@ image_t *R_CreateImage( const char *name, byte *pic, int width, int height, imgT
 
 	if (image->flags & IMGFLAG_CUBEMAP)
 	{
-		GL_BindCubemap(image);
+		GL_Bind(image);
 		qglTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
 		qglTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
 		qglTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
-		qglTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-		qglTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+
+		if (image->flags & IMGFLAG_MIPMAP)
+		{
+			qglTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR_MIPMAP_LINEAR);
+			qglTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
+		}
+		else
+		{
+			qglTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+			qglTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+		}
 
 		qglTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0, GL_RGBA8, width, height, 0, GL_BGRA, GL_UNSIGNED_BYTE, pic);
 		qglTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, 0, GL_RGBA8, width, height, 0, GL_BGRA, GL_UNSIGNED_BYTE, pic);
@@ -2600,6 +2611,7 @@ image_t	*R_FindImageFile( const char *name, imgType_t type, imgFlags_t flags )
 			normalPic = ri.Malloc(width * height * 4);
 			RGBAtoNormal(pic, normalPic, width, height, flags & IMGFLAG_CLAMPTOEDGE);
 
+#if 1
 			// Brighten up the original image to work with the normal map
 			RGBAtoYCoCgA(pic, pic, width, height);
 			for (y = 0; y < height; y++)
@@ -2615,6 +2627,61 @@ image_t	*R_FindImageFile( const char *name, imgType_t type, imgFlags_t flags )
 				}
 			}
 			YCoCgAtoRGBA(pic, pic, width, height);
+#else
+			// Blur original image's luma to work with the normal map
+			{
+				byte *blurPic;
+
+				RGBAtoYCoCgA(pic, pic, width, height);
+				blurPic = ri.Malloc(width * height);
+
+				for (y = 1; y < height - 1; y++)
+				{
+					byte *picbyte  = pic     + y * width * 4;
+					byte *blurbyte = blurPic + y * width;
+
+					picbyte += 4;
+					blurbyte += 1;
+
+					for (x = 1; x < width - 1; x++)
+					{
+						int result;
+
+						result = *(picbyte - (width + 1) * 4) + *(picbyte - width * 4) + *(picbyte - (width - 1) * 4) +
+						         *(picbyte -          1  * 4) + *(picbyte            ) + *(picbyte +          1  * 4) +
+						         *(picbyte + (width - 1) * 4) + *(picbyte + width * 4) + *(picbyte + (width + 1) * 4);
+
+						result /= 9;
+
+						*blurbyte = result;
+						picbyte += 4;
+						blurbyte += 1;
+					}
+				}
+
+				// FIXME: do borders
+
+				for (y = 1; y < height - 1; y++)
+				{
+					byte *picbyte  = pic     + y * width * 4;
+					byte *blurbyte = blurPic + y * width;
+
+					picbyte += 4;
+					blurbyte += 1;
+
+					for (x = 1; x < width - 1; x++)
+					{
+						picbyte[0] = *blurbyte;
+						picbyte += 4;
+						blurbyte += 1;
+					}
+				}
+
+				ri.Free(blurPic);
+
+				YCoCgAtoRGBA(pic, pic, width, height);
+			}
+#endif
 
 			R_CreateImage( normalName, normalPic, normalWidth, normalHeight, IMGTYPE_NORMAL, normalFlags, 0 );
 			ri.Free( normalPic );	
@@ -2806,6 +2873,9 @@ void R_CreateBuiltinImages( void ) {
 	Com_Memset( data, 255, sizeof( data ) );
 	tr.whiteImage = R_CreateImage("*white", (byte *)data, 8, 8, IMGTYPE_COLORALPHA, IMGFLAG_NONE, 0);
 
+	Com_Memset( data, 128, sizeof( data ) );
+	tr.greyImage = R_CreateImage("*grey", (byte *)data, 8, 8, IMGTYPE_COLORALPHA, IMGFLAG_NONE, GL_RGBA8);
+
 	if (r_dlightMode->integer >= 2)
 	{
 		for( x = 0; x < MAX_DLIGHTS; x++)
@@ -2838,7 +2908,7 @@ void R_CreateBuiltinImages( void ) {
 
 	if (glRefConfig.framebufferObject)
 	{
-		int width, height, hdrFormat;
+		int width, height, hdrFormat, rgbFormat;
 
 		if(glRefConfig.textureNonPowerOfTwo)
 		{
@@ -2855,19 +2925,15 @@ void R_CreateBuiltinImages( void ) {
 		if (r_hdr->integer && glRefConfig.framebufferObject && glRefConfig.textureFloat)
 			hdrFormat = GL_RGB16F_ARB;
 
+		rgbFormat = GL_RGBA8;
+
 		tr.renderImage = R_CreateImage("_render", NULL, width, height, IMGTYPE_COLORALPHA, IMGFLAG_NO_COMPRESSION | IMGFLAG_CLAMPTOEDGE, hdrFormat);
 
 		if (r_drawSunRays->integer)
-			tr.sunRaysImage = R_CreateImage("*sunRays", NULL, width, height, IMGTYPE_COLORALPHA, IMGFLAG_NO_COMPRESSION | IMGFLAG_CLAMPTOEDGE, GL_RGBA8);
+			tr.sunRaysImage = R_CreateImage("*sunRays", NULL, width, height, IMGTYPE_COLORALPHA, IMGFLAG_NO_COMPRESSION | IMGFLAG_CLAMPTOEDGE, rgbFormat);
 
 		if (r_softOverbright->integer)
-		{
-			int format;
-
-			format = GL_RGBA8;
-
-			tr.screenScratchImage = R_CreateImage("*screenScratch", NULL, width, height, IMGTYPE_COLORALPHA, IMGFLAG_NO_COMPRESSION | IMGFLAG_CLAMPTOEDGE, format);
-		}
+			tr.screenScratchImage = R_CreateImage("*screenScratch", NULL, width, height, IMGTYPE_COLORALPHA, IMGFLAG_NO_COMPRESSION | IMGFLAG_CLAMPTOEDGE, rgbFormat);
 
 		if (glRefConfig.framebufferObject)
 		{
@@ -2927,6 +2993,8 @@ void R_CreateBuiltinImages( void ) {
 		{
 			tr.sunShadowDepthImage[x] = R_CreateImage(va("*sunshadowdepth%i", x), NULL, r_shadowMapSize->integer, r_shadowMapSize->integer, IMGTYPE_COLORALPHA, IMGFLAG_NO_COMPRESSION | IMGFLAG_CLAMPTOEDGE, GL_DEPTH_COMPONENT24_ARB);
 		}
+
+		tr.renderCubeImage = R_CreateImage("*renderCube", NULL, CUBE_MAP_SIZE, CUBE_MAP_SIZE, IMGTYPE_COLORALPHA, IMGFLAG_NO_COMPRESSION | IMGFLAG_CLAMPTOEDGE | IMGFLAG_MIPMAP | IMGFLAG_CUBEMAP, rgbFormat);
 	}
 }
 
diff --git a/src/renderergl2/tr_init.c b/src/renderergl2/tr_init.c
index c02c3345..1019bb26 100644
--- a/src/renderergl2/tr_init.c
+++ b/src/renderergl2/tr_init.c
@@ -132,7 +132,11 @@ cvar_t  *r_normalMapping;
 cvar_t  *r_specularMapping;
 cvar_t  *r_deluxeMapping;
 cvar_t  *r_parallaxMapping;
-cvar_t  *r_normalAmbient;
+cvar_t  *r_cubeMapping;
+cvar_t  *r_deluxeSpecular;
+cvar_t  *r_specularIsMetallic;
+cvar_t  *r_baseSpecular;
+cvar_t  *r_baseGloss;
 cvar_t  *r_recalcMD3Normals;
 cvar_t  *r_mergeLightmaps;
 cvar_t  *r_dlightMode;
@@ -885,6 +889,9 @@ void GL_SetDefaultState( void )
 
 	qglDrawBuffer( GL_BACK );
 	qglClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT|GL_ACCUM_BUFFER_BIT|GL_STENCIL_BUFFER_BIT );
+
+	if (glRefConfig.seamlessCubeMap)
+		qglEnable(GL_TEXTURE_CUBE_MAP_SEAMLESS);
 }
 
 /*
@@ -1115,7 +1122,11 @@ void R_Register( void )
 	r_specularMapping = ri.Cvar_Get( "r_specularMapping", "1", CVAR_ARCHIVE | CVAR_LATCH );
 	r_deluxeMapping = ri.Cvar_Get( "r_deluxeMapping", "1", CVAR_ARCHIVE | CVAR_LATCH );
 	r_parallaxMapping = ri.Cvar_Get( "r_parallaxMapping", "0", CVAR_ARCHIVE | CVAR_LATCH );
-	r_normalAmbient = ri.Cvar_Get( "r_normalAmbient", "0", CVAR_ARCHIVE | CVAR_LATCH );
+	r_cubeMapping = ri.Cvar_Get( "r_cubeMapping", "0", CVAR_ARCHIVE | CVAR_LATCH );
+	r_deluxeSpecular = ri.Cvar_Get( "r_deluxeSpecular", "0.3", CVAR_ARCHIVE | CVAR_LATCH );
+	r_specularIsMetallic = ri.Cvar_Get( "r_specularIsMetallic", "0", CVAR_ARCHIVE | CVAR_LATCH );
+	r_baseSpecular = ri.Cvar_Get( "r_baseSpecular", "0.04", CVAR_ARCHIVE | CVAR_LATCH );
+	r_baseGloss = ri.Cvar_Get( "r_baseGloss", "0.3", CVAR_ARCHIVE | CVAR_LATCH );
 	r_dlightMode = ri.Cvar_Get( "r_dlightMode", "0", CVAR_ARCHIVE | CVAR_LATCH );
 	r_pshadowDist = ri.Cvar_Get( "r_pshadowDist", "128", CVAR_ARCHIVE );
 	r_recalcMD3Normals = ri.Cvar_Get( "r_recalcMD3Normals", "0", CVAR_ARCHIVE | CVAR_LATCH );
diff --git a/src/renderergl2/tr_light.c b/src/renderergl2/tr_light.c
index 82e088e8..ba493198 100644
--- a/src/renderergl2/tr_light.c
+++ b/src/renderergl2/tr_light.c
@@ -450,3 +450,32 @@ int R_LightDirForPoint( vec3_t point, vec3_t lightDir, vec3_t normal, world_t *w
 
 	return qtrue;
 }
+
+
+int R_CubemapForPoint( vec3_t point )
+{
+	int cubemapIndex = -1;
+
+	if (r_cubeMapping->integer && tr.numCubemaps)
+	{
+		int i;
+		vec_t shortest = (float)WORLD_SIZE * (float)WORLD_SIZE;
+
+		for (i = 0; i < tr.numCubemaps; i++)
+		{
+			vec3_t diff;
+			vec_t length;
+
+			VectorSubtract(point, tr.cubemapOrigins[i], diff);
+			length = DotProduct(diff, diff);
+
+			if (shortest > length)
+			{
+				shortest = length;
+				cubemapIndex = i;
+			}
+		}
+	}
+
+	return cubemapIndex + 1;
+}
diff --git a/src/renderergl2/tr_local.h b/src/renderergl2/tr_local.h
index f9b52028..d8950023 100644
--- a/src/renderergl2/tr_local.h
+++ b/src/renderergl2/tr_local.h
@@ -60,6 +60,8 @@ typedef unsigned int glIndex_t;
 #define MAX_CALC_PSHADOWS    64
 #define MAX_DRAWN_PSHADOWS    16 // do not increase past 32, because bit flags are used on surfaces
 #define PSHADOW_MAP_SIZE      512
+#define CUBE_MAP_MIPS      7
+#define CUBE_MAP_SIZE      (1 << CUBE_MAP_MIPS)
 
 #define USE_VERT_TANGENT_SPACE
 
@@ -369,7 +371,8 @@ enum
 	TB_SHADOWMAP2  = 3,
 	TB_SPECULARMAP = 4,
 	TB_SHADOWMAP   = 5,
-	NUM_TEXTURE_BUNDLES = 6
+	TB_CUBEMAP     = 6,
+	NUM_TEXTURE_BUNDLES = 7
 };
 
 typedef enum
@@ -699,13 +702,12 @@ enum
 	LIGHTDEF_LIGHTTYPE_MASK      = 0x0003,
 	LIGHTDEF_ENTITY              = 0x0004,
 	LIGHTDEF_USE_TCGEN_AND_TCMOD = 0x0008,
-	LIGHTDEF_USE_NORMALMAP       = 0x0010,
-	LIGHTDEF_USE_SPECULARMAP     = 0x0020,
-	LIGHTDEF_USE_DELUXEMAP       = 0x0040,
-	LIGHTDEF_USE_PARALLAXMAP     = 0x0080,
-	LIGHTDEF_USE_SHADOWMAP       = 0x0100,
-	LIGHTDEF_ALL                 = 0x01FF,
-	LIGHTDEF_COUNT               = 0x0200
+	LIGHTDEF_USE_DELUXEMAP       = 0x0010,
+	LIGHTDEF_USE_PARALLAXMAP     = 0x0020,
+	LIGHTDEF_USE_SHADOWMAP       = 0x0040,
+	LIGHTDEF_USE_CUBEMAP         = 0x0080,
+	LIGHTDEF_ALL                 = 0x00FF,
+	LIGHTDEF_COUNT               = 0x0100
 };
 
 enum
@@ -729,6 +731,7 @@ typedef enum
 
 	UNIFORM_TEXTUREMAP,
 	UNIFORM_LEVELSMAP,
+	UNIFORM_CUBEMAP,
 
 	UNIFORM_SCREENIMAGEMAP,
 	UNIFORM_SCREENDEPTHMAP,
@@ -897,12 +900,14 @@ typedef struct {
 
 typedef enum {
 	VPF_NONE            = 0x00,
-	VPF_SHADOWMAP       = 0x01,
-	VPF_DEPTHSHADOW     = 0x02,
-	VPF_DEPTHCLAMP      = 0x04,
-	VPF_ORTHOGRAPHIC    = 0x08,
-	VPF_USESUNLIGHT     = 0x10,
-	VPF_FARPLANEFRUSTUM = 0x20
+	VPF_NOVIEWMODEL     = 0x01,
+	VPF_SHADOWMAP       = 0x02,
+	VPF_DEPTHSHADOW     = 0x04,
+	VPF_DEPTHCLAMP      = 0x08,
+	VPF_ORTHOGRAPHIC    = 0x10,
+	VPF_USESUNLIGHT     = 0x20,
+	VPF_FARPLANEFRUSTUM = 0x40,
+	VPF_NOCUBEMAPS      = 0x80
 } viewParmFlags_t;
 
 typedef struct {
@@ -917,6 +922,8 @@ typedef struct {
 	cplane_t	portalPlane;		// clip anything behind this if mirroring
 	int			viewportX, viewportY, viewportWidth, viewportHeight;
 	FBO_t		*targetFbo;
+	int         targetFboLayer;
+	int         targetFboCubemapIndex;
 	float		fovX, fovY;
 	float		projectionMatrix[16];
 	cplane_t	frustum[5];
@@ -959,7 +966,8 @@ typedef enum {
 } surfaceType_t;
 
 typedef struct drawSurf_s {
-	unsigned			sort;			// bit combination for fast compares
+	unsigned int		sort;			// bit combination for fast compares
+	int                 cubemapIndex;
 	surfaceType_t		*surface;		// any of surface*_t
 } drawSurf_t;
 
@@ -1171,6 +1179,7 @@ typedef struct srfVBOMesh_s
 
 	struct shader_s *shader;	// FIXME move this to somewhere else
 	int				fogIndex;
+	int             cubemapIndex;
 
 	// dynamic lighting information
 	int			dlightBits;
@@ -1272,6 +1281,7 @@ typedef struct msurface_s {
 	//int					viewCount;		// if == tr.viewCount, already added
 	struct shader_s		*shader;
 	int					fogIndex;
+	int                 cubemapIndex;
 	cullinfo_t          cullinfo;
 
 	surfaceType_t		*data;			// any of srf*_t
@@ -1601,9 +1611,12 @@ typedef struct {
 	qboolean framebufferMultisample;
 	qboolean framebufferBlit;
 
-	qboolean texture_srgb;
+	qboolean textureSrgb;
+	qboolean framebufferSrgb;
+	qboolean textureSrgbDecode;
 
 	qboolean depthClamp;
+	qboolean seamlessCubeMap;
 } glRefConfig_t;
 
 
@@ -1696,6 +1709,7 @@ typedef struct {
 	image_t					*fogImage;
 	image_t					*dlightImage;	// inverse-quare highlight for projective adding
 	image_t					*flareImage;
+	image_t					*greyImage;			    // full of 0x80
 	image_t					*whiteImage;			// full of 0xff
 	image_t					*identityLightImage;	// full of tr.identityLightByte
 
@@ -1716,6 +1730,7 @@ typedef struct {
 	image_t                 *screenShadowImage;
 	image_t                 *screenSsaoImage;
 	image_t					*hdrDepthImage;
+	image_t                 *renderCubeImage;
 	
 	image_t					*textureDepthImage;
 
@@ -1733,6 +1748,7 @@ typedef struct {
 	FBO_t					*screenShadowFbo;
 	FBO_t					*screenSsaoFbo;
 	FBO_t					*hdrDepthFbo;
+	FBO_t                   *renderCubeFbo;
 
 	shader_t				*defaultShader;
 	shader_t				*shadowShader;
@@ -1750,6 +1766,10 @@ typedef struct {
 	int                     fatLightmapSize;
 	int		                fatLightmapStep;
 
+	int                     numCubemaps;
+	vec3_t                  *cubemapOrigins;
+	image_t                 **cubemaps;
+
 	trRefEntity_t			*currentEntity;
 	trRefEntity_t			worldEntity;		// point currentEntity at this when rendering world
 	int						currentEntityNum;
@@ -1773,6 +1793,7 @@ typedef struct {
 	shaderProgram_t shadowmaskShader;
 	shaderProgram_t ssaoShader;
 	shaderProgram_t depthBlurShader[2];
+	shaderProgram_t testcubeShader;
 
 
 	// -----------------------------------------
@@ -1964,7 +1985,11 @@ extern  cvar_t  *r_normalMapping;
 extern  cvar_t  *r_specularMapping;
 extern  cvar_t  *r_deluxeMapping;
 extern  cvar_t  *r_parallaxMapping;
-extern  cvar_t  *r_normalAmbient;
+extern  cvar_t  *r_cubeMapping;
+extern  cvar_t  *r_deluxeSpecular;
+extern  cvar_t  *r_specularIsMetallic;
+extern  cvar_t  *r_baseSpecular;
+extern  cvar_t  *r_baseGloss;
 extern  cvar_t  *r_dlightMode;
 extern  cvar_t  *r_pshadowDist;
 extern  cvar_t  *r_recalcMD3Normals;
@@ -2011,6 +2036,7 @@ void R_RenderView( viewParms_t *parms );
 void R_RenderDlightCubemaps(const refdef_t *fd);
 void R_RenderPshadowMaps(const refdef_t *fd);
 void R_RenderSunShadowMaps(const refdef_t *fd, int level);
+void R_RenderCubemapSide( int cubemapIndex, int cubemapSide, qboolean subscene );
 
 void R_AddMD3Surfaces( trRefEntity_t *e );
 void R_AddNullModelSurfaces( trRefEntity_t *e );
@@ -2024,7 +2050,7 @@ void R_DecomposeSort( unsigned sort, int *entityNum, shader_t **shader,
 					 int *fogNum, int *dlightMap, int *pshadowMap );
 
 void R_AddDrawSurf( surfaceType_t *surface, shader_t *shader, 
-				   int fogIndex, int dlightMap, int pshadowMap );
+				   int fogIndex, int dlightMap, int pshadowMap, int cubemap );
 
 void R_CalcTangentSpace(vec3_t tangent, vec3_t bitangent, vec3_t normal,
                         const vec3_t v0, const vec3_t v1, const vec3_t v2, const vec2_t t0, const vec2_t t1, const vec2_t t2);
@@ -2050,7 +2076,6 @@ void R_RotateForEntity( const trRefEntity_t *ent, const viewParms_t *viewParms,
 ** GL wrapper/helper functions
 */
 void	GL_Bind( image_t *image );
-void	GL_BindCubemap( image_t *image );
 void	GL_BindToTMU( image_t *image, int tmu );
 void	GL_SetDefaultState (void);
 void	GL_SelectTexture( int unit );
@@ -2201,6 +2226,7 @@ typedef struct shaderCommands_s
 	shader_t	*shader;
 	float		shaderTime;
 	int			fogNum;
+	int         cubemapIndex;
 
 	int			dlightBits;	// or together of all vertexDlightBits
 	int         pshadowBits;
@@ -2226,7 +2252,7 @@ typedef struct shaderCommands_s
 
 extern	shaderCommands_t	tess;
 
-void RB_BeginSurface(shader_t *shader, int fogNum );
+void RB_BeginSurface(shader_t *shader, int fogNum, int cubemapIndex );
 void RB_EndSurface(void);
 void RB_CheckOverflow( int verts, int indexes );
 #define RB_CHECKOVERFLOW(v,i) if (tess.numVertexes + (v) >= SHADER_MAX_VERTEXES || tess.numIndexes + (i) >= SHADER_MAX_INDEXES ) {RB_CheckOverflow(v,i);}
@@ -2286,6 +2312,7 @@ void R_SetupEntityLighting( const trRefdef_t *refdef, trRefEntity_t *ent );
 void R_TransformDlights( int count, dlight_t *dl, orientationr_t *or );
 int R_LightForPoint( vec3_t point, vec3_t ambientLight, vec3_t directedLight, vec3_t lightDir );
 int R_LightDirForPoint( vec3_t point, vec3_t lightDir, vec3_t normal, world_t *world );
+int R_CubemapForPoint( vec3_t point );
 
 
 /*
@@ -2408,7 +2435,9 @@ void RE_AddRefEntityToScene( const refEntity_t *ent );
 void RE_AddPolyToScene( qhandle_t hShader , int numVerts, const polyVert_t *verts, int num );
 void RE_AddLightToScene( const vec3_t org, float intensity, float r, float g, float b );
 void RE_AddAdditiveLightToScene( const vec3_t org, float intensity, float r, float g, float b );
+void RE_BeginScene( const refdef_t *fd );
 void RE_RenderScene( const refdef_t *fd );
+void RE_EndScene( void );
 
 /*
 =============================================================
diff --git a/src/renderergl2/tr_main.c b/src/renderergl2/tr_main.c
index dc8a478c..e10be3a1 100644
--- a/src/renderergl2/tr_main.c
+++ b/src/renderergl2/tr_main.c
@@ -1608,7 +1608,7 @@ static qboolean SurfIsOffscreen( const drawSurf_t *drawSurf, vec4_t clipDest[128
 	R_RotateForViewer();
 
 	R_DecomposeSort( drawSurf->sort, &entityNum, &shader, &fogNum, &dlighted, &pshadowed );
-	RB_BeginSurface( shader, fogNum );
+	RB_BeginSurface( shader, fogNum, drawSurf->cubemapIndex);
 	rb_surfaceTable[ *drawSurf->surface ]( drawSurf->surface );
 
 	assert( tess.numVertexes < 128 );
@@ -1726,6 +1726,9 @@ qboolean R_MirrorViewBySurface (drawSurf_t *drawSurf, int entityNum) {
 		return qfalse;		// bad portal, no portalentity
 	}
 
+	if (newParms.isMirror)
+		newParms.flags |= VPF_NOVIEWMODEL;
+
 	R_MirrorPoint (oldParms.or.origin, &surface, &camera, newParms.or.origin );
 
 	VectorSubtract( vec3_origin, camera.axis[0], newParms.portalPlane.normal );
@@ -1845,7 +1848,7 @@ R_AddDrawSurf
 =================
 */
 void R_AddDrawSurf( surfaceType_t *surface, shader_t *shader, 
-				   int fogIndex, int dlightMap, int pshadowMap ) {
+				   int fogIndex, int dlightMap, int pshadowMap, int cubemap ) {
 	int			index;
 
 	// instead of checking for overflow, we just mask the index
@@ -1856,6 +1859,7 @@ void R_AddDrawSurf( surfaceType_t *surface, shader_t *shader,
 	tr.refdef.drawSurfs[index].sort = (shader->sortedIndex << QSORT_SHADERNUM_SHIFT) 
 		| tr.shiftedEntityNum | ( fogIndex << QSORT_FOGNUM_SHIFT ) 
 		| ((int)pshadowMap << QSORT_PSHADOW_SHIFT) | (int)dlightMap;
+	tr.refdef.drawSurfs[index].cubemapIndex = cubemap;
 	tr.refdef.drawSurfs[index].surface = surface;
 	tr.refdef.numDrawSurfs++;
 }
@@ -1959,8 +1963,7 @@ static void R_AddEntitySurface (int entityNum)
 	// we don't want the hacked weapon position showing in 
 	// mirrors, because the true body position will already be drawn
 	//
-	if ( (ent->e.renderfx & RF_FIRST_PERSON) && (tr.viewParms.isPortal 
-	      || (tr.viewParms.flags & (VPF_SHADOWMAP | VPF_DEPTHSHADOW))) ) {
+	if ( (ent->e.renderfx & RF_FIRST_PERSON) && (tr.viewParms.flags & VPF_NOVIEWMODEL)) {
 		return;
 	}
 
@@ -1980,7 +1983,7 @@ static void R_AddEntitySurface (int entityNum)
 			return;
 		}
 		shader = R_GetShaderByHandle( ent->e.customShader );
-		R_AddDrawSurf( &entitySurface, shader, R_SpriteFogNum( ent ), 0, 0 );
+		R_AddDrawSurf( &entitySurface, shader, R_SpriteFogNum( ent ), 0, 0, 0 /*cubeMap*/ );
 		break;
 
 	case RT_MODEL:
@@ -1989,7 +1992,7 @@ static void R_AddEntitySurface (int entityNum)
 
 		tr.currentModel = R_GetModelByHandle( ent->e.hModel );
 		if (!tr.currentModel) {
-			R_AddDrawSurf( &entitySurface, tr.defaultShader, 0, 0, 0 );
+			R_AddDrawSurf( &entitySurface, tr.defaultShader, 0, 0, 0, 0 /*cubeMap*/  );
 		} else {
 			switch ( tr.currentModel->type ) {
 			case MOD_MESH:
@@ -2011,7 +2014,7 @@ static void R_AddEntitySurface (int entityNum)
 				if ( (ent->e.renderfx & RF_THIRD_PERSON) && !tr.viewParms.isPortal) {
 					break;
 				}
-				R_AddDrawSurf( &entitySurface, tr.defaultShader, 0, 0, 0 );
+				R_AddDrawSurf( &entitySurface, tr.defaultShader, 0, 0, 0, 0 );
 				break;
 			default:
 				ri.Error( ERR_DROP, "R_AddEntitySurfaces: Bad modeltype" );
@@ -2187,7 +2190,7 @@ void R_RenderDlightCubemaps(const refdef_t *fd)
 		shadowParms.fovX = 90;
 		shadowParms.fovY = 90;
 
-		shadowParms.flags = VPF_SHADOWMAP | VPF_DEPTHSHADOW;
+		shadowParms.flags = VPF_SHADOWMAP | VPF_DEPTHSHADOW | VPF_NOVIEWMODEL;
 		shadowParms.zFar = tr.refdef.dlights[i].radius;
 
 		VectorCopy( tr.refdef.dlights[i].origin, shadowParms.or.origin );
@@ -2491,7 +2494,7 @@ void R_RenderPshadowMaps(const refdef_t *fd)
 		if (glRefConfig.framebufferObject)
 			shadowParms.targetFbo = tr.pshadowFbos[i];
 
-		shadowParms.flags = VPF_SHADOWMAP | VPF_DEPTHSHADOW;
+		shadowParms.flags = VPF_SHADOWMAP | VPF_DEPTHSHADOW | VPF_NOVIEWMODEL;
 		shadowParms.zFar = shadow->lightRadius;
 
 		VectorCopy(shadow->lightOrigin, shadowParms.or.origin);
@@ -2836,7 +2839,7 @@ void R_RenderSunShadowMaps(const refdef_t *fd, int level)
 		if (glRefConfig.framebufferObject)
 			shadowParms.targetFbo = tr.sunShadowFbo[level];
 
-		shadowParms.flags = VPF_DEPTHSHADOW | VPF_DEPTHCLAMP | VPF_ORTHOGRAPHIC;
+		shadowParms.flags = VPF_DEPTHSHADOW | VPF_DEPTHCLAMP | VPF_ORTHOGRAPHIC | VPF_NOVIEWMODEL;
 		shadowParms.zFar = lightviewBounds[1][0];
 
 		VectorCopy(lightOrigin, shadowParms.or.origin);
@@ -2875,3 +2878,130 @@ void R_RenderSunShadowMaps(const refdef_t *fd, int level)
 		Matrix16Multiply(tr.viewParms.projectionMatrix, tr.viewParms.world.modelMatrix, tr.refdef.sunShadowMvp[level]);
 	}
 }
+
+void R_RenderCubemapSide( int cubemapIndex, int cubemapSide, qboolean subscene )
+{
+	refdef_t refdef;
+	viewParms_t	parms;
+	float oldColorScale = tr.refdef.colorScale;
+
+	memset( &refdef, 0, sizeof( refdef ) );
+	refdef.rdflags = 0;
+	VectorCopy(tr.cubemapOrigins[cubemapIndex], refdef.vieworg);
+
+	switch(cubemapSide)
+	{
+		case 0:
+			// -X
+			VectorSet( refdef.viewaxis[0], -1,  0,  0);
+			VectorSet( refdef.viewaxis[1],  0,  0, -1);
+			VectorSet( refdef.viewaxis[2],  0,  1,  0);
+			break;
+		case 1: 
+			// +X
+			VectorSet( refdef.viewaxis[0],  1,  0,  0);
+			VectorSet( refdef.viewaxis[1],  0,  0,  1);
+			VectorSet( refdef.viewaxis[2],  0,  1,  0);
+			break;
+		case 2: 
+			// -Y
+			VectorSet( refdef.viewaxis[0],  0, -1,  0);
+			VectorSet( refdef.viewaxis[1],  1,  0,  0);
+			VectorSet( refdef.viewaxis[2],  0,  0, -1);
+			break;
+		case 3: 
+			// +Y
+			VectorSet( refdef.viewaxis[0],  0,  1,  0);
+			VectorSet( refdef.viewaxis[1],  1,  0,  0);
+			VectorSet( refdef.viewaxis[2],  0,  0,  1);
+			break;
+		case 4:
+			// -Z
+			VectorSet( refdef.viewaxis[0],  0,  0, -1);
+			VectorSet( refdef.viewaxis[1],  1,  0,  0);
+			VectorSet( refdef.viewaxis[2],  0,  1,  0);
+			break;
+		case 5:
+			// +Z
+			VectorSet( refdef.viewaxis[0],  0,  0,  1);
+			VectorSet( refdef.viewaxis[1], -1,  0,  0);
+			VectorSet( refdef.viewaxis[2],  0,  1,  0);
+			break;
+	}
+
+	refdef.fov_x = 90;
+	refdef.fov_y = 90;
+
+	refdef.x = 0;
+	refdef.y = 0;
+	refdef.width = tr.renderCubeFbo->width;
+	refdef.height = tr.renderCubeFbo->height;
+
+	refdef.time = 0;
+
+	if (!subscene)
+	{
+		RE_BeginScene(&refdef);
+
+		// FIXME: sun shadows aren't rendered correctly in cubemaps
+		// fix involves changing r_FBufScale to fit smaller cubemap image size, or rendering cubemap to framebuffer first
+		if(0) //(glRefConfig.framebufferObject && (r_forceSun->integer || tr.sunShadows))
+		{
+			R_RenderSunShadowMaps(&refdef, 0);
+			R_RenderSunShadowMaps(&refdef, 1);
+			R_RenderSunShadowMaps(&refdef, 2);
+		}
+	}
+
+	{
+		vec3_t ambient, directed, lightDir;
+		R_LightForPoint(tr.refdef.vieworg, ambient, directed, lightDir);
+		tr.refdef.colorScale = 766.0f / (directed[0] + directed[1] + directed[2] + 1.0f);
+		if (directed[0] + directed[1] + directed[2] == 0)
+		{
+			ri.Printf(PRINT_ALL, "cubemap %d (%f, %f, %f) is outside the lightgrid!\n", cubemapIndex, tr.refdef.vieworg[0], tr.refdef.vieworg[1], tr.refdef.vieworg[2]);
+		}
+	}
+
+	Com_Memset( &parms, 0, sizeof( parms ) );
+
+	parms.viewportX = 0;
+	parms.viewportY = 0;
+	parms.viewportWidth = tr.renderCubeFbo->width;
+	parms.viewportHeight = tr.renderCubeFbo->height;
+	parms.isPortal = qfalse;
+	parms.isMirror = qtrue;
+	parms.flags =  VPF_NOVIEWMODEL | VPF_NOCUBEMAPS;
+
+	parms.fovX = 90;
+	parms.fovY = 90;
+
+	VectorCopy( refdef.vieworg, parms.or.origin );
+	VectorCopy( refdef.viewaxis[0], parms.or.axis[0] );
+	VectorCopy( refdef.viewaxis[1], parms.or.axis[1] );
+	VectorCopy( refdef.viewaxis[2], parms.or.axis[2] );
+
+	VectorCopy( refdef.vieworg, parms.pvsOrigin );
+
+	// FIXME: sun shadows aren't rendered correctly in cubemaps
+	// fix involves changing r_FBufScale to fit smaller cubemap image size, or rendering cubemap to framebuffer first
+	if (0) //(r_depthPrepass->value && ((r_forceSun->integer) || tr.sunShadows))
+	{
+		parms.flags = VPF_USESUNLIGHT;
+	}
+
+	parms.targetFbo = tr.renderCubeFbo;
+	parms.targetFboLayer = cubemapSide;
+	parms.targetFboCubemapIndex = cubemapIndex;
+
+	R_RenderView(&parms);
+
+	if (subscene)
+	{
+		tr.refdef.colorScale = oldColorScale;
+	}
+	else
+	{
+		RE_EndScene();
+	}
+}
+\ No newline at end of file
diff --git a/src/renderergl2/tr_mesh.c b/src/renderergl2/tr_mesh.c
index d1adba2c..72078b75 100644
--- a/src/renderergl2/tr_mesh.c
+++ b/src/renderergl2/tr_mesh.c
@@ -289,6 +289,7 @@ void R_AddMD3Surfaces( trRefEntity_t *ent ) {
 	int				cull;
 	int				lod;
 	int				fogNum;
+	int             cubemapIndex;
 	qboolean		personalModel;
 
 	// don't add third_person objects if not in a portal
@@ -345,6 +346,8 @@ void R_AddMD3Surfaces( trRefEntity_t *ent ) {
 	//
 	fogNum = R_ComputeFogNum( model, ent );
 
+	cubemapIndex = R_CubemapForPoint(ent->e.origin);
+
 	//
 	// draw all surfaces
 	//
@@ -388,7 +391,7 @@ void R_AddMD3Surfaces( trRefEntity_t *ent ) {
 		{
 			srfVBOMDVMesh_t *vboSurface = &model->vboSurfaces[i];
 
-			R_AddDrawSurf((void *)vboSurface, shader, fogNum, qfalse, qfalse );
+			R_AddDrawSurf((void *)vboSurface, shader, fogNum, qfalse, qfalse, cubemapIndex );
 		}
 
 		surface++;
diff --git a/src/renderergl2/tr_model_iqm.c b/src/renderergl2/tr_model_iqm.c
index a2f6f250..05b17dc7 100644
--- a/src/renderergl2/tr_model_iqm.c
+++ b/src/renderergl2/tr_model_iqm.c
@@ -786,6 +786,7 @@ void R_AddIQMSurfaces( trRefEntity_t *ent ) {
 	qboolean		personalModel;
 	int			cull;
 	int			fogNum;
+	int         cubemapIndex;
 	shader_t		*shader;
 	skin_t			*skin;
 
@@ -838,6 +839,8 @@ void R_AddIQMSurfaces( trRefEntity_t *ent ) {
 	//
 	fogNum = R_ComputeIQMFogNum( data, ent );
 
+	cubemapIndex = R_CubemapForPoint(ent->e.origin);
+
 	for ( i = 0 ; i < data->num_surfaces ; i++ ) {
 		if(ent->e.customShader)
 			shader = R_GetShaderByHandle( ent->e.customShader );
@@ -866,7 +869,7 @@ void R_AddIQMSurfaces( trRefEntity_t *ent ) {
 			&& fogNum == 0
 			&& !(ent->e.renderfx & ( RF_NOSHADOW | RF_DEPTHHACK ) ) 
 			&& shader->sort == SS_OPAQUE ) {
-			R_AddDrawSurf( (void *)surface, tr.shadowShader, 0, 0, 0 );
+			R_AddDrawSurf( (void *)surface, tr.shadowShader, 0, 0, 0, 0 );
 		}
 
 		// projection shadows work fine with personal models
@@ -874,11 +877,11 @@ void R_AddIQMSurfaces( trRefEntity_t *ent ) {
 			&& fogNum == 0
 			&& (ent->e.renderfx & RF_SHADOW_PLANE )
 			&& shader->sort == SS_OPAQUE ) {
-			R_AddDrawSurf( (void *)surface, tr.projectionShadowShader, 0, 0, 0 );
+			R_AddDrawSurf( (void *)surface, tr.projectionShadowShader, 0, 0, 0, 0 );
 		}
 
 		if( !personalModel ) {
-			R_AddDrawSurf( (void *)surface, shader, fogNum, 0, 0 );
+			R_AddDrawSurf( (void *)surface, shader, fogNum, 0, 0, cubemapIndex );
 		}
 
 		surface++;
diff --git a/src/renderergl2/tr_scene.c b/src/renderergl2/tr_scene.c
index 71e816b4..254626cb 100644
--- a/src/renderergl2/tr_scene.c
+++ b/src/renderergl2/tr_scene.c
@@ -100,7 +100,7 @@ void R_AddPolygonSurfaces( void ) {
 
 	for ( i = 0, poly = tr.refdef.polys; i < tr.refdef.numPolys ; i++, poly++ ) {
 		sh = R_GetShaderByHandle( poly->hShader );
-		R_AddDrawSurf( ( void * )poly, sh, poly->fogIndex & fogMask, qfalse, qfalse );
+		R_AddDrawSurf( ( void * )poly, sh, poly->fogIndex & fogMask, qfalse, qfalse, 0 /*cubeMap*/  );
 	}
 }
 
@@ -284,36 +284,9 @@ void RE_AddAdditiveLightToScene( const vec3_t org, float intensity, float r, flo
 	RE_AddDynamicLightToScene( org, intensity, r, g, b, qtrue );
 }
 
-/*
-@@@@@@@@@@@@@@@@@@@@@
-RE_RenderScene
-
-Draw a 3D view into a part of the window, then return
-to 2D drawing.
-
-Rendering a scene may require multiple views to be rendered
-to handle mirrors,
-@@@@@@@@@@@@@@@@@@@@@
-*/
-void RE_RenderScene( const refdef_t *fd ) {
-	viewParms_t		parms;
-	int				startTime;
-
-	if ( !tr.registered ) {
-		return;
-	}
-	GLimp_LogComment( "====== RE_RenderScene =====\n" );
-
-	if ( r_norefresh->integer ) {
-		return;
-	}
-
-	startTime = ri.Milliseconds();
-
-	if (!tr.world && !( fd->rdflags & RDF_NOWORLDMODEL ) ) {
-		ri.Error (ERR_DROP, "R_RenderScene: NULL worldmodel");
-	}
 
+void RE_BeginScene(const refdef_t *fd)
+{
 	Com_Memcpy( tr.refdef.text, fd->text, sizeof( tr.refdef.text ) );
 
 	tr.refdef.x = fd->x;
@@ -467,6 +440,49 @@ void RE_RenderScene( const refdef_t *fd ) {
 	// each scene / view.
 	tr.frameSceneNum++;
 	tr.sceneCount++;
+}
+
+
+void RE_EndScene()
+{
+	// the next scene rendered in this frame will tack on after this one
+	r_firstSceneDrawSurf = tr.refdef.numDrawSurfs;
+	r_firstSceneEntity = r_numentities;
+	r_firstSceneDlight = r_numdlights;
+	r_firstScenePoly = r_numpolys;
+}
+
+/*
+@@@@@@@@@@@@@@@@@@@@@
+RE_RenderScene
+
+Draw a 3D view into a part of the window, then return
+to 2D drawing.
+
+Rendering a scene may require multiple views to be rendered
+to handle mirrors,
+@@@@@@@@@@@@@@@@@@@@@
+*/
+void RE_RenderScene( const refdef_t *fd ) {
+	viewParms_t		parms;
+	int				startTime;
+
+	if ( !tr.registered ) {
+		return;
+	}
+	GLimp_LogComment( "====== RE_RenderScene =====\n" );
+
+	if ( r_norefresh->integer ) {
+		return;
+	}
+
+	startTime = ri.Milliseconds();
+
+	if (!tr.world && !( fd->rdflags & RDF_NOWORLDMODEL ) ) {
+		ri.Error (ERR_DROP, "R_RenderScene: NULL worldmodel");
+	}
+
+	RE_BeginScene(fd);
 
 	// SmileTheory: playing with shadow mapping
 	if (!( fd->rdflags & RDF_NOWORLDMODEL ) && tr.refdef.num_dlights && r_dlightMode->integer >= 2)
@@ -488,6 +504,21 @@ void RE_RenderScene( const refdef_t *fd ) {
 		R_RenderSunShadowMaps(fd, 2);
 	}
 
+	// playing with cube maps
+	// this is where dynamic cubemaps would be rendered
+	if (0) //(glRefConfig.framebufferObject && !( fd->rdflags & RDF_NOWORLDMODEL ))
+	{
+		int i, j;
+
+		for (i = 0; i < tr.numCubemaps; i++)
+		{
+			for (j = 0; j < 6; j++)
+			{
+				R_RenderCubemapSide(i, j, qtrue);
+			}
+		}
+	}
+
 	// setup view parms for the initial view
 	//
 	// set up viewport
@@ -523,11 +554,7 @@ void RE_RenderScene( const refdef_t *fd ) {
 	if(!( fd->rdflags & RDF_NOWORLDMODEL ))
 		R_AddPostProcessCmd();
 
-	// the next scene rendered in this frame will tack on after this one
-	r_firstSceneDrawSurf = tr.refdef.numDrawSurfs;
-	r_firstSceneEntity = r_numentities;
-	r_firstSceneDlight = r_numdlights;
-	r_firstScenePoly = r_numpolys;
+	RE_EndScene();
 
 	tr.frontEndMsec += ri.Milliseconds() - startTime;
 }
diff --git a/src/renderergl2/tr_shade.c b/src/renderergl2/tr_shade.c
index 0810547b..18ecbc9b 100644
--- a/src/renderergl2/tr_shade.c
+++ b/src/renderergl2/tr_shade.c
@@ -187,7 +187,7 @@ because a surface may be forced to perform a RB_End due
 to overflow.
 ==============
 */
-void RB_BeginSurface( shader_t *shader, int fogNum ) {
+void RB_BeginSurface( shader_t *shader, int fogNum, int cubemapIndex ) {
 
 	shader_t *state = (shader->remappedShader) ? shader->remappedShader : shader;
 
@@ -197,6 +197,7 @@ void RB_BeginSurface( shader_t *shader, int fogNum ) {
 	tess.multiDrawPrimitives = 0;
 	tess.shader = state;
 	tess.fogNum = fogNum;
+	tess.cubemapIndex = cubemapIndex;
 	tess.dlightBits = 0;		// will be OR'd in by surface functions
 	tess.pshadowBits = 0;       // will be OR'd in by surface functions
 	tess.xstages = state->stages;
@@ -847,7 +848,7 @@ static void ForwardDlight( void ) {
 		if (r_dlightMode->integer >= 2)
 		{
 			GL_SelectTexture(TB_SHADOWMAP);
-			GL_BindCubemap(tr.shadowCubemaps[l]);
+			GL_Bind(tr.shadowCubemaps[l]);
 			GL_SelectTexture(0);
 		}
 
@@ -1134,6 +1135,11 @@ static void RB_IterateStagesGeneric( shaderCommands_t *input )
 				index |= LIGHTDEF_USE_SHADOWMAP;
 			}
 
+			if (!(tr.viewParms.flags & VPF_NOCUBEMAPS) && (index & LIGHTDEF_LIGHTTYPE_MASK) && input->cubemapIndex)
+			{
+				index |= LIGHTDEF_USE_CUBEMAP;
+			}
+
 			if (r_lightmap->integer && index & LIGHTDEF_USE_LIGHTMAP)
 			{
 				index = LIGHTDEF_USE_LIGHTMAP;
@@ -1178,39 +1184,10 @@ static void RB_IterateStagesGeneric( shaderCommands_t *input )
 		{
 			vec4_t baseColor;
 			vec4_t vertColor;
-			qboolean tint = qtrue;
-			int stage2;
 
 			ComputeShaderColors(pStage, baseColor, vertColor);
 
-			for ( stage2 = stage + 1; stage2 < MAX_SHADER_STAGES; stage2++ )
-			{
-				shaderStage_t *pStage2 = input->xstages[stage2];
-				unsigned int srcBlendBits;
-				//unsigned int dstBlendBits;
-
-				if ( !pStage2 )
-				{
-					break;
-				}
-
-				srcBlendBits = pStage2->stateBits & GLS_SRCBLEND_BITS;
-				//dstBlendBits = pStage2->stateBits & GLS_DSTBLEND_BITS;
-
-				if (srcBlendBits == GLS_SRCBLEND_DST_COLOR)
-				{
-					tint = qfalse;
-					break;
-				}
-			}
-			
-			if (!((tr.sunShadows || r_forceSun->integer) && tess.shader->sort <= SS_OPAQUE 
-				&& !(tess.shader->surfaceFlags & (SURF_NODLIGHT | SURF_SKY) ) && tess.xstages[0]->glslShaderGroup == tr.lightallShader))
-			{
-				tint = qfalse;
-			}
-
-			if (tint)
+			if ((backEnd.refdef.colorScale != 1.0f) && !(backEnd.refdef.rdflags & RDF_NOWORLDMODEL))
 			{
 				// use VectorScale to only scale first three values, not alpha
 				VectorScale(baseColor, backEnd.refdef.colorScale, baseColor);
@@ -1375,6 +1352,12 @@ static void RB_IterateStagesGeneric( shaderCommands_t *input )
 		}
 
 		//
+		// testing cube map
+		//
+		if (!(tr.viewParms.flags & VPF_NOCUBEMAPS) && input->cubemapIndex && r_cubeMapping->integer)
+			GL_BindToTMU( tr.cubemaps[input->cubemapIndex - 1], TB_CUBEMAP);
+
+		//
 		// draw
 		//
 		if (input->multiDrawPrimitives)
diff --git a/src/renderergl2/tr_shader.c b/src/renderergl2/tr_shader.c
index 6bf4fa43..5057b436 100644
--- a/src/renderergl2/tr_shader.c
+++ b/src/renderergl2/tr_shader.c
@@ -911,8 +911,8 @@ static qboolean ParseStage( shaderStage_t *stage, char **text )
 			else if(!Q_stricmp(token, "specularMap"))
 			{
 				stage->type = ST_SPECULARMAP;
-				stage->materialInfo[0] = 0.04f;
-				stage->materialInfo[1] = 256.0f;
+				stage->materialInfo[0] = 1.0f;
+				stage->materialInfo[1] = 1.0f;
 			}
 			else
 			{
@@ -938,12 +938,35 @@ static qboolean ParseStage( shaderStage_t *stage, char **text )
 		//
 		else if (!Q_stricmp(token, "specularexponent"))
 		{
+			float exponent;
+
 			token = COM_ParseExt(text, qfalse);
 			if ( token[0] == 0 )
 			{
 				ri.Printf( PRINT_WARNING, "WARNING: missing parameter for specular exponent in shader '%s'\n", shader.name );
 				continue;
 			}
+
+			exponent = atof( token );
+
+			// Change shininess to gloss
+			// FIXME: assumes max exponent of 8192 and min of 1, must change here if altered in lightall_fp.glsl
+			exponent = CLAMP(exponent, 1.0, 8192.0);
+
+			stage->materialInfo[1] = log(exponent) / log(8192.0);
+		}
+		//
+		// gloss <value>
+		//
+		else if (!Q_stricmp(token, "gloss"))
+		{
+			token = COM_ParseExt(text, qfalse);
+			if ( token[0] == 0 )
+			{
+				ri.Printf( PRINT_WARNING, "WARNING: missing parameter for gloss in shader '%s'\n", shader.name );
+				continue;
+			}
+
 			stage->materialInfo[1] = atof( token );
 		}
 		//
@@ -1927,7 +1950,7 @@ static void ComputeVertexAttribs(void)
 			shader.vertexAttribs |= ATTR_NORMAL;
 
 #ifdef USE_VERT_TANGENT_SPACE
-			if (pStage->glslShaderIndex & LIGHTDEF_USE_NORMALMAP)
+			if ((pStage->glslShaderIndex & LIGHTDEF_LIGHTTYPE_MASK) && !(r_normalMapping->integer == 0 && r_specularMapping->integer == 0))
 			{
 				shader.vertexAttribs |= ATTR_BITANGENT | ATTR_TANGENT;
 			}
@@ -2201,7 +2224,6 @@ static void CollapseStagesToLightall(shaderStage_t *diffuse,
 		{
 			//ri.Printf(PRINT_ALL, ", normalmap %s", normal->bundle[0].image[0]->imgName);
 			diffuse->bundle[TB_NORMALMAP] = normal->bundle[0];
-			defs |= LIGHTDEF_USE_NORMALMAP;
 			if (parallax && r_parallaxMapping->integer)
 				defs |= LIGHTDEF_USE_PARALLAXMAP;
 		}
@@ -2219,13 +2241,22 @@ static void CollapseStagesToLightall(shaderStage_t *diffuse,
 			if (normalImg)
 			{
 				diffuse->bundle[TB_NORMALMAP] = diffuse->bundle[0];
+				diffuse->bundle[TB_NORMALMAP].numImageAnimations = 0;
 				diffuse->bundle[TB_NORMALMAP].image[0] = normalImg;
 
-				defs |= LIGHTDEF_USE_NORMALMAP;
 				if (parallax && r_parallaxMapping->integer)
 					defs |= LIGHTDEF_USE_PARALLAXMAP;
 			}
 		}
+
+		if (!diffuse->bundle[TB_NORMALMAP].image[0])
+		{
+			// use 0x80 image, shader will interpret as (0,0,1)
+			diffuse->bundle[TB_NORMALMAP] = diffuse->bundle[0];
+			diffuse->bundle[TB_NORMALMAP].numImageAnimations = 0;
+			diffuse->bundle[TB_NORMALMAP].image[0] = tr.greyImage;
+			//ri.Printf(PRINT_ALL, ", normalmap %s", diffuse->bundle[TB_NORMALMAP].image[0]->imgName);
+		}
 	}
 
 	if (r_specularMapping->integer)
@@ -2236,7 +2267,18 @@ static void CollapseStagesToLightall(shaderStage_t *diffuse,
 			diffuse->bundle[TB_SPECULARMAP] = specular->bundle[0];
 			diffuse->materialInfo[0] = specular->materialInfo[0];
 			diffuse->materialInfo[1] = specular->materialInfo[1];
-			defs |= LIGHTDEF_USE_SPECULARMAP;
+		}
+		else if (lightmap || useLightVector || useLightVertex)
+		{
+			// use a white image, materialinfo will do the rest
+			diffuse->bundle[TB_SPECULARMAP] = diffuse->bundle[0];
+			diffuse->bundle[TB_SPECULARMAP].numImageAnimations = 0;
+			diffuse->bundle[TB_SPECULARMAP].image[0] = tr.whiteImage;
+			if (!diffuse->materialInfo[0])
+				diffuse->materialInfo[0] = r_baseSpecular->value;
+			if (!diffuse->materialInfo[1])
+				diffuse->materialInfo[1] = r_baseGloss->value;
+			//ri.Printf(PRINT_ALL, ", specularmap %s", diffuse->bundle[TB_SPECULARMAP].image[0]->imgName);
 		}
 	}
 
@@ -2540,6 +2582,22 @@ static qboolean CollapseStagesToGLSL(void)
 		}
 	}
 
+	// convert any remaining lightingdiffuse stages to a lighting pass
+	for (i = 0; i < MAX_SHADER_STAGES; i++)
+	{
+		shaderStage_t *pStage = &stages[i];
+
+		if (!pStage->active)
+			continue;
+
+		if (pStage->rgbGen == CGEN_LIGHTING_DIFFUSE)
+		{
+			pStage->glslShaderGroup = tr.lightallShader;
+			pStage->glslShaderIndex = LIGHTDEF_USE_LIGHT_VECTOR;
+		}
+	}
+
+
 	return numStages;
 }
 
diff --git a/src/renderergl2/tr_sky.c b/src/renderergl2/tr_sky.c
index d8fcf506..7c15f732 100644
--- a/src/renderergl2/tr_sky.c
+++ b/src/renderergl2/tr_sky.c
@@ -450,7 +450,7 @@ static void DrawSkySide( struct image_s *image, const int mins[2], const int max
 		
 		color[0] = 
 		color[1] = 
-		color[2] = tr.identityLight;
+		color[2] = tr.identityLight * backEnd.refdef.colorScale;
 		color[3] = 1.0f;
 		GLSL_SetUniformVec4(sp, UNIFORM_BASECOLOR, color);
 
@@ -827,7 +827,7 @@ void RB_DrawSun( float scale, shader_t *shader ) {
 	// farthest depth range
 	qglDepthRange( 1.0, 1.0 );
 
-	RB_BeginSurface( shader, 0 );
+	RB_BeginSurface( shader, 0, 0 );
 
 	RB_AddQuadStamp(origin, vec1, vec2, colorWhite);
 
diff --git a/src/renderergl2/tr_surface.c b/src/renderergl2/tr_surface.c
index ffdb2964..50711594 100644
--- a/src/renderergl2/tr_surface.c
+++ b/src/renderergl2/tr_surface.c
@@ -64,7 +64,7 @@ void RB_CheckOverflow( int verts, int indexes ) {
 		ri.Error(ERR_DROP, "RB_CheckOverflow: indices > MAX (%d > %d)", indexes, SHADER_MAX_INDEXES );
 	}
 
-	RB_BeginSurface(tess.shader, tess.fogNum );
+	RB_BeginSurface(tess.shader, tess.fogNum, tess.cubemapIndex );
 }
 
 void RB_CheckVBOandIBO(VBO_t *vbo, IBO_t *ibo)
@@ -72,7 +72,7 @@ void RB_CheckVBOandIBO(VBO_t *vbo, IBO_t *ibo)
 	if (!(vbo == glState.currentVBO && ibo == glState.currentIBO) || tess.multiDrawPrimitives >= MAX_MULTIDRAW_PRIMITIVES)
 	{
 		RB_EndSurface();
-		RB_BeginSurface(tess.shader, tess.fogNum);
+		RB_BeginSurface(tess.shader, tess.fogNum, tess.cubemapIndex);
 
 		R_BindVBO(vbo);
 		R_BindIBO(ibo);
@@ -1371,7 +1371,7 @@ static void RB_SurfaceGrid( srfGridMesh_t *srf ) {
 			// if we don't have enough space for at least one strip, flush the buffer
 			if ( vrows < 2 || irows < 1 ) {
 				RB_EndSurface();
-				RB_BeginSurface(tess.shader, tess.fogNum );
+				RB_BeginSurface(tess.shader, tess.fogNum, tess.cubemapIndex );
 			} else {
 				break;
 			}
@@ -1594,7 +1594,7 @@ void RB_SurfaceVBOMDVMesh(srfVBOMDVMesh_t * surface)
 
 	//RB_CheckVBOandIBO(surface->vbo, surface->ibo);
 	RB_EndSurface();
-	RB_BeginSurface(tess.shader, tess.fogNum);
+	RB_BeginSurface(tess.shader, tess.fogNum, tess.cubemapIndex);
 
 	R_BindVBO(surface->vbo);
 	R_BindIBO(surface->ibo);
diff --git a/src/renderergl2/tr_world.c b/src/renderergl2/tr_world.c
index a6bb310b..5d35cded 100644
--- a/src/renderergl2/tr_world.c
+++ b/src/renderergl2/tr_world.c
@@ -338,7 +338,7 @@ static void R_AddWorldSurface( msurface_t *surf, int dlightBits, int pshadowBits
 		pshadowBits = ( pshadowBits != 0 );
 	}
 
-	R_AddDrawSurf( surf->data, surf->shader, surf->fogIndex, dlightBits, pshadowBits );
+	R_AddDrawSurf( surf->data, surf->shader, surf->fogIndex, dlightBits, pshadowBits, surf->cubemapIndex );
 }
 
 /*
author	SmileTheory <SmileTheory@gmail.com>	2013-09-16 00:54:26 -0700
committer	Tim Angus <tim@ngus.net>	2014-06-17 17:43:34 +0100
commit	75fe4796280cc95fe6b96cc9c9df5d74fc478ffa (patch)
tree	d031d5af29fb83215f6d140df94e5d4b48ce7309
parent	57ba5d4419af6c57be928ca57da090622411215f (diff)