1 files changed, 378 insertions, 84 deletions

diff --git a/indra/llrender/llshadermgr.cpp b/indra/llrender/llshadermgr.cpp
index 986c1f2774..7d384450e6 100644
--- a/indra/llrender/llshadermgr.cpp
+++ b/indra/llrender/llshadermgr.cpp
@@ -81,29 +81,42 @@ BOOL LLShaderMgr::attachShaderFeatures(LLGLSLShader * shader)
 	// NOTE order of shader object attaching is VERY IMPORTANT!!!
 	if (features->calculatesAtmospherics)
 	{
-		if (!shader->attachObject("windlight/atmosphericsVarsV.glsl"))
+		if (features->hasWaterFog)
+		{
+			if (!shader->attachObject("windlight/atmosphericsVarsWaterV.glsl"))
+			{
+				return FALSE;
+			}
+		}
+		else if (!shader->attachObject("windlight/atmosphericsVarsV.glsl"))
 		{
 			return FALSE;
 		}
 	}
 
-	if (features->calculatesLighting)
+	if (features->calculatesLighting || features->atmosphericHelpers)
 	{
 		if (!shader->attachObject("windlight/atmosphericsHelpersV.glsl"))
 		{
 			return FALSE;
 		}
+	}
 		
+	if (features->calculatesLighting)
+	{
 		if (features->isSpecular)
 		{
 			if (!shader->attachObject("lighting/lightFuncSpecularV.glsl"))
 			{
 				return FALSE;
 			}
-			
-			if (!shader->attachObject("lighting/sumLightsSpecularV.glsl"))
+		
+			if (!features->isAlphaLighting)
 			{
-				return FALSE;
+				if (!shader->attachObject("lighting/sumLightsSpecularV.glsl"))
+				{
+					return FALSE;
+				}
 			}
 			
 			if (!shader->attachObject("lighting/lightSpecularV.glsl"))
@@ -118,9 +131,12 @@ BOOL LLShaderMgr::attachShaderFeatures(LLGLSLShader * shader)
 				return FALSE;
 			}
 			
-			if (!shader->attachObject("lighting/sumLightsV.glsl"))
+			if (!features->isAlphaLighting)
 			{
-				return FALSE;
+				if (!shader->attachObject("lighting/sumLightsV.glsl"))
+				{
+					return FALSE;
+				}
 			}
 			
 			if (!shader->attachObject("lighting/lightV.glsl"))
@@ -161,7 +177,14 @@ BOOL LLShaderMgr::attachShaderFeatures(LLGLSLShader * shader)
 
 	if(features->calculatesAtmospherics)
 	{
-		if (!shader->attachObject("windlight/atmosphericsVarsF.glsl"))
+		if (features->hasWaterFog)
+		{
+			if (!shader->attachObject("windlight/atmosphericsVarsWaterF.glsl"))
+			{
+				return FALSE;
+			}
+		}
+		else if (!shader->attachObject("windlight/atmosphericsVarsF.glsl"))
 		{
 			return FALSE;
 		}
@@ -241,7 +264,7 @@ BOOL LLShaderMgr::attachShaderFeatures(LLGLSLShader * shader)
 						return FALSE;
 					}
 				}
-				shader->mFeatures.mIndexedTextureChannels = gGLManager.mNumTextureImageUnits-1;
+				shader->mFeatures.mIndexedTextureChannels = llmax(LLGLSLShader::sIndexedTextureChannels-1, 1);
 			}
 		}
 		
@@ -280,9 +303,9 @@ BOOL LLShaderMgr::attachShaderFeatures(LLGLSLShader * shader)
 						return FALSE;
 					}
 				}
-				shader->mFeatures.mIndexedTextureChannels = gGLManager.mNumTextureImageUnits-1;
+				shader->mFeatures.mIndexedTextureChannels = llmax(LLGLSLShader::sIndexedTextureChannels-1, 1);
 			}
-		}		
+		}
 	}
 	
 	// NOTE order of shader object attaching is VERY IMPORTANT!!!
@@ -304,7 +327,7 @@ BOOL LLShaderMgr::attachShaderFeatures(LLGLSLShader * shader)
 				{
 					return FALSE;
 				}
-				shader->mFeatures.mIndexedTextureChannels = gGLManager.mNumTextureImageUnits-1;
+				shader->mFeatures.mIndexedTextureChannels = llmax(LLGLSLShader::sIndexedTextureChannels-1, 1);
 			}
 		}
 		else if (features->hasWaterFog)
@@ -336,7 +359,7 @@ BOOL LLShaderMgr::attachShaderFeatures(LLGLSLShader * shader)
 				{
 					return FALSE;
 				}
-				shader->mFeatures.mIndexedTextureChannels = gGLManager.mNumTextureImageUnits-1;
+				shader->mFeatures.mIndexedTextureChannels = llmax(LLGLSLShader::sIndexedTextureChannels-1, 1);
 			}
 		}
 		
@@ -355,7 +378,7 @@ BOOL LLShaderMgr::attachShaderFeatures(LLGLSLShader * shader)
 				{
 					return FALSE;
 				}
-				shader->mFeatures.mIndexedTextureChannels = gGLManager.mNumTextureImageUnits-1;
+				shader->mFeatures.mIndexedTextureChannels = llmax(LLGLSLShader::sIndexedTextureChannels-1, 1);
 			}
 		}
 		
@@ -395,7 +418,7 @@ BOOL LLShaderMgr::attachShaderFeatures(LLGLSLShader * shader)
 						return FALSE;
 					}
 				}
-				shader->mFeatures.mIndexedTextureChannels = gGLManager.mNumTextureImageUnits-1;
+				shader->mFeatures.mIndexedTextureChannels = llmax(LLGLSLShader::sIndexedTextureChannels-1, 1);
 			}
 		}
 	}
@@ -419,7 +442,7 @@ BOOL LLShaderMgr::attachShaderFeatures(LLGLSLShader * shader)
 				{
 					return FALSE;
 				}
-				shader->mFeatures.mIndexedTextureChannels = gGLManager.mNumTextureImageUnits-1;
+				shader->mFeatures.mIndexedTextureChannels = llmax(LLGLSLShader::sIndexedTextureChannels-1, 1);
 			}
 		}
 		
@@ -438,10 +461,26 @@ BOOL LLShaderMgr::attachShaderFeatures(LLGLSLShader * shader)
 				{
 					return FALSE;
 				}
-				shader->mFeatures.mIndexedTextureChannels = gGLManager.mNumTextureImageUnits-1;
+				shader->mFeatures.mIndexedTextureChannels = llmax(LLGLSLShader::sIndexedTextureChannels-1, 1);
 			}
 		}
 	}
+
+	if (features->mIndexedTextureChannels <= 1)
+	{
+		if (!shader->attachObject("objects/nonindexedTextureV.glsl"))
+		{
+			return FALSE;
+		}
+	}
+	else
+	{
+		if (!shader->attachObject("objects/indexedTextureV.glsl"))
+		{
+			return FALSE;
+		}
+	}
+
 	return TRUE;
 }
 
@@ -477,7 +516,7 @@ void LLShaderMgr::dumpObjectLog(GLhandleARB ret, BOOL warns)
 		}
 		else
 		{
-			LL_DEBUGS("ShaderLoading") << log << LL_ENDL;
+			LL_INFOS("ShaderLoading") << log << LL_ENDL;
 		}
 	}
  }
@@ -531,23 +570,85 @@ GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shade
 	}
 
 	//we can't have any lines longer than 1024 characters 
-	//or any shaders longer than 1024 lines... deal - DaveP
+	//or any shaders longer than 4096 lines... deal - DaveP
 	GLcharARB buff[1024];
-	GLcharARB* text[1024];
+	GLcharARB* text[4096];
 	GLuint count = 0;
 
-	if (gGLManager.mGLVersion < 2.1f)
-	{
-		text[count++] = strdup("#version 110\n");
-	}
-	else if (gGLManager.mGLVersion < 3.f)
+	S32 major_version = gGLManager.mGLSLVersionMajor;
+	S32 minor_version = gGLManager.mGLSLVersionMinor;
+	
+	if (major_version == 1 && minor_version < 30)
 	{
-		//set version to 1.20
-		text[count++] = strdup("#version 120\n");
+		if (minor_version < 10)
+		{
+			//should NEVER get here -- if major version is 1 and minor version is less than 10, 
+			// viewer should never attempt to use shaders, continuing will result in undefined behavior
+			llerrs << "Unsupported GLSL Version." << llendl;
+		}
+
+		if (minor_version <= 19)
+		{
+			text[count++] = strdup("#version 110\n");
+			text[count++] = strdup("#define ATTRIBUTE attribute\n");
+			text[count++] = strdup("#define VARYING varying\n");
+			text[count++] = strdup("#define VARYING_FLAT varying\n");
+		}
+		else if (minor_version <= 29)
+		{
+			//set version to 1.20
+			text[count++] = strdup("#version 120\n");
+			text[count++] = strdup("#define FXAA_GLSL_120 1\n");
+			text[count++] = strdup("#define FXAA_FAST_PIXEL_OFFSET 0\n");
+			text[count++] = strdup("#define ATTRIBUTE attribute\n");
+			text[count++] = strdup("#define VARYING varying\n");
+			text[count++] = strdup("#define VARYING_FLAT varying\n");
+		}
 	}
 	else
-	{  //set version to 1.30
-		text[count++] = strdup("#version 130\n");
+	{  
+		if (major_version < 4)
+		{
+			//set version to 1.30
+			text[count++] = strdup("#version 130\n");
+
+			//some implementations of GLSL 1.30 require integer precision be explicitly declared
+			text[count++] = strdup("precision mediump int;\n");
+			text[count++] = strdup("precision highp float;\n");
+		}
+		else
+		{ //set version to 400
+			text[count++] = strdup("#version 400\n");
+		}
+
+		text[count++] = strdup("#define DEFINE_GL_FRAGCOLOR 1\n");
+		text[count++] = strdup("#define FXAA_GLSL_130 1\n");
+
+		text[count++] = strdup("#define ATTRIBUTE in\n");
+
+		if (type == GL_VERTEX_SHADER_ARB)
+		{ //"varying" state is "out" in a vertex program, "in" in a fragment program 
+			// ("varying" is deprecated after version 1.20)
+			text[count++] = strdup("#define VARYING out\n");
+			text[count++] = strdup("#define VARYING_FLAT flat out\n");
+		}
+		else
+		{
+			text[count++] = strdup("#define VARYING in\n");
+			text[count++] = strdup("#define VARYING_FLAT flat in\n");
+		}
+
+		//backwards compatibility with legacy texture lookup syntax
+		text[count++] = strdup("#define texture2D texture\n");
+		text[count++] = strdup("#define textureCube texture\n");
+		text[count++] = strdup("#define texture2DLod textureLod\n");
+		text[count++] = strdup("#define	shadow2D(a,b) vec2(texture(a,b))\n");
+
+		if (major_version > 1 || minor_version >= 40)
+		{ //GLSL 1.40 replaces texture2DRect et al with texture
+			text[count++] = strdup("#define texture2DRect texture\n");
+			text[count++] = strdup("#define shadow2DRect(a,b) vec2(texture(a,b))\n");
+		}
 	}
 
 	//copy preprocessor definitions into buffer
@@ -571,22 +672,24 @@ GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shade
 		.
 		uniform sampler2D texN;
 		
-		varying float vary_texture_index;
+		VARYING_FLAT ivec4 vary_texture_index;
+
+		vec4 ret = vec4(1,0,1,1);
 
 		vec4 diffuseLookup(vec2 texcoord)
 		{
-			switch (int(vary_texture_index+0.25))
+			switch (vary_texture_index.r))
 			{
-				case 0: return texture2D(tex0, texcoord);
-				case 1: return texture2D(tex1, texcoord);
-				case 2: return texture2D(tex2, texcoord);
+				case 0: ret = texture2D(tex0, texcoord); break;
+				case 1: ret = texture2D(tex1, texcoord); break;
+				case 2: ret = texture2D(tex2, texcoord); break;
 				.
 				.
 				.
-				case N: return texture2D(texN, texcoord);
+				case N: return texture2D(texN, texcoord); break;
 			}
 
-			return vec4(0,0,0,0);
+			return ret;
 		}
 		*/
 
@@ -597,7 +700,11 @@ GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shade
 			text[count++] = strdup(decl.c_str());
 		}
 
-		text[count++] = strdup("varying float vary_texture_index;\n");
+		if (texture_index_channels > 1)
+		{
+			text[count++] = strdup("VARYING_FLAT ivec4 vary_texture_index;\n");
+		}
+
 		text[count++] = strdup("vec4 diffuseLookup(vec2 texcoord)\n");
 		text[count++] = strdup("{\n");
 		
@@ -607,49 +714,32 @@ GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shade
 			text[count++] = strdup("return texture2D(tex0, texcoord);\n");
 			text[count++] = strdup("}\n");
 		}
-		else if (gGLManager.mGLVersion >= 3.f)
-		{ 
-			text[count++] = strdup("\tswitch (int(vary_texture_index+0.25))\n");
+		else if (major_version > 1 || minor_version >= 30)
+		{  //switches are supported in GLSL 1.30 and later
+			text[count++] = strdup("\tvec4 ret = vec4(1,0,1,1);\n");
+			text[count++] = strdup("\tswitch (vary_texture_index.r)\n");
 			text[count++] = strdup("\t{\n");
 		
 			//switch body
 			for (S32 i = 0; i < texture_index_channels; ++i)
 			{
-				std::string case_str = llformat("\t\tcase %d: return texture2D(tex%d, texcoord);\n", i, i);
+				std::string case_str = llformat("\t\tcase %d: ret = texture2D(tex%d, texcoord); break;\n", i, i);
 				text[count++] = strdup(case_str.c_str());
 			}
 
 			text[count++] = strdup("\t}\n");
-			text[count++] = strdup("\treturn vec4(0,0,0,0);\n");
+			text[count++] = strdup("\treturn ret;\n");
 			text[count++] = strdup("}\n");
 		}
 		else
-		{
-			//switches aren't supported, make block that looks like:
-			/*
-				int ti = int(vary_texture_index+0.25);
-				if (ti == 0) return texture2D(tex0, texcoord);
-				if (ti == 1) return texture2D(tex1, texcoord);
-				.
-				.
-				.
-				if (ti == N) return texture2D(texN, texcoord);
-			*/
-				
-			text[count++] = strdup("int ti = int(vary_texture_index+0.25);\n");
-			for (S32 i = 0; i < texture_index_channels; ++i)
-			{
-				std::string if_str = llformat("if (ti == %d) return texture2D(tex%d, texcoord);\n", i, i);
-				text[count++] = strdup(if_str.c_str());
-			}
-
-			text[count++] = strdup("\treturn vec4(0,0,0,0);\n");
-			text[count++] = strdup("}\n");
-		}			
+		{ //should never get here.  Indexed texture rendering requires GLSL 1.30 or later 
+			// (for passing integers between vertex and fragment shaders)
+			llerrs << "Indexed texture rendering requires GLSL 1.30 or later." << llendl;
+		}
 	}
 
 	//copy file into memory
-	while( fgets((char *)buff, 1024, file) != NULL && count < LL_ARRAY_SIZE(buff) ) 
+	while( fgets((char *)buff, 1024, file) != NULL && count < LL_ARRAY_SIZE(text) ) 
 	{
 		text[count++] = (GLcharARB *)strdup((char *)buff); 
 	}
@@ -704,14 +794,24 @@ GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shade
 				LL_WARNS("ShaderLoading") << "GLSL Compilation Error: (" << error << ") in " << filename << LL_ENDL;
 				dumpObjectLog(ret);
 
+#if LL_WINDOWS
 				std::stringstream ostr;
 				//dump shader source for debugging
 				for (GLuint i = 0; i < count; i++)
 				{
 					ostr << i << ": " << text[i];
+
+					if (i % 128 == 0)
+					{ //dump every 128 lines
+
+						LL_WARNS("ShaderLoading") << "\n" << ostr.str() << llendl;
+						ostr = std::stringstream();
+					}
+
 				}
 
 				LL_WARNS("ShaderLoading") << "\n" << ostr.str() << llendl;
+#endif // LL_WINDOWS
 
 				ret = 0;
 			}
@@ -760,28 +860,42 @@ BOOL LLShaderMgr::linkProgramObject(GLhandleARB obj, BOOL suppress_errors)
 		LL_WARNS("ShaderLoading") << "GLSL Linker Error:" << LL_ENDL;
 	}
 
-// NOTE: Removing LL_DARWIN block as it doesn't seem to actually give the correct answer, 
-// but want it for reference once I move it.
-#if 0
-	// Force an evaluation of the gl state so the driver can tell if the shader will run in hardware or software
-	// per Apple's suggestion   
-	glBegin(gGL.mMode);
-	glEnd();
+#if LL_DARWIN
 
-	// Query whether the shader can or cannot run in hardware
-	// http://developer.apple.com/qa/qa2007/qa1502.html
-	long vertexGPUProcessing;
-	CGLContextObj ctx = CGLGetCurrentContext();
-	CGLGetParameter (ctx, kCGLCPGPUVertexProcessing, &vertexGPUProcessing);	
-	long fragmentGPUProcessing;
-	CGLGetParameter (ctx, kCGLCPGPUFragmentProcessing, &fragmentGPUProcessing);
-	if (!fragmentGPUProcessing || !vertexGPUProcessing)
+	// For some reason this absolutely kills the frame rate when VBO's are enabled
+	if (0)
 	{
-		LL_WARNS("ShaderLoading") << "GLSL Linker: Running in Software:" << LL_ENDL;
-		success = GL_FALSE;
-		suppress_errors = FALSE;		
+		// Force an evaluation of the gl state so the driver can tell if the shader will run in hardware or software
+		// per Apple's suggestion
+		LLGLSLShader::sNoFixedFunction = false;
+		
+		glUseProgramObjectARB(obj);
+
+		gGL.begin(LLRender::TRIANGLES);
+		gGL.vertex3f(0.0f, 0.0f, 0.0f);
+		gGL.vertex3f(0.0f, 0.0f, 0.0f);
+		gGL.vertex3f(0.0f, 0.0f, 0.0f);
+		gGL.end();
+		gGL.flush();
+		
+		glUseProgramObjectARB(0);
+		
+		LLGLSLShader::sNoFixedFunction = true;
+
+		// Query whether the shader can or cannot run in hardware
+		// http://developer.apple.com/qa/qa2007/qa1502.html
+		GLint vertexGPUProcessing, fragmentGPUProcessing;
+		CGLContextObj ctx = CGLGetCurrentContext();
+		CGLGetParameter(ctx, kCGLCPGPUVertexProcessing, &vertexGPUProcessing);	
+		CGLGetParameter(ctx, kCGLCPGPUFragmentProcessing, &fragmentGPUProcessing);
+		if (!fragmentGPUProcessing || !vertexGPUProcessing)
+		{
+			LL_WARNS("ShaderLoading") << "GLSL Linker: Running in Software:" << LL_ENDL;
+			success = GL_FALSE;
+			suppress_errors = FALSE;		
+		}
 	}
-	
+
 #else
 	std::string log = get_object_log(obj);
 	LLStringUtil::toLower(log);
@@ -819,3 +933,183 @@ BOOL LLShaderMgr::validateProgramObject(GLhandleARB obj)
 	return success;
 }
 
+//virtual
+void LLShaderMgr::initAttribsAndUniforms()
+{
+	//MUST match order of enum in LLVertexBuffer.h
+	mReservedAttribs.push_back("position");
+	mReservedAttribs.push_back("normal");
+	mReservedAttribs.push_back("texcoord0");
+	mReservedAttribs.push_back("texcoord1");
+	mReservedAttribs.push_back("texcoord2");
+	mReservedAttribs.push_back("texcoord3");
+	mReservedAttribs.push_back("diffuse_color");
+	mReservedAttribs.push_back("emissive");
+	mReservedAttribs.push_back("binormal");
+	mReservedAttribs.push_back("weight");
+	mReservedAttribs.push_back("weight4");
+	mReservedAttribs.push_back("clothing");
+	mReservedAttribs.push_back("texture_index");
+	
+	//matrix state
+	mReservedUniforms.push_back("modelview_matrix");
+	mReservedUniforms.push_back("projection_matrix");
+	mReservedUniforms.push_back("inv_proj");
+	mReservedUniforms.push_back("modelview_projection_matrix");
+	mReservedUniforms.push_back("normal_matrix");
+	mReservedUniforms.push_back("texture_matrix0");
+	mReservedUniforms.push_back("texture_matrix1");
+	mReservedUniforms.push_back("texture_matrix2");
+	mReservedUniforms.push_back("texture_matrix3");
+	llassert(mReservedUniforms.size() == LLShaderMgr::TEXTURE_MATRIX3+1);
+
+	mReservedUniforms.push_back("viewport");
+
+	mReservedUniforms.push_back("light_position");
+	mReservedUniforms.push_back("light_direction");
+	mReservedUniforms.push_back("light_attenuation");
+	mReservedUniforms.push_back("light_diffuse");
+	mReservedUniforms.push_back("light_ambient");
+	mReservedUniforms.push_back("light_count");
+	mReservedUniforms.push_back("light");
+	mReservedUniforms.push_back("light_col");
+	mReservedUniforms.push_back("far_z");
+
+	llassert(mReservedUniforms.size() == LLShaderMgr::MULTI_LIGHT_FAR_Z+1);
+
+
+	mReservedUniforms.push_back("proj_mat");
+	mReservedUniforms.push_back("proj_near");
+	mReservedUniforms.push_back("proj_p");
+	mReservedUniforms.push_back("proj_n");
+	mReservedUniforms.push_back("proj_origin");
+	mReservedUniforms.push_back("proj_range");
+	mReservedUniforms.push_back("proj_ambiance");
+	mReservedUniforms.push_back("proj_shadow_idx");
+	mReservedUniforms.push_back("shadow_fade");
+	mReservedUniforms.push_back("proj_focus");
+	mReservedUniforms.push_back("proj_lod");
+	mReservedUniforms.push_back("proj_ambient_lod");
+
+	llassert(mReservedUniforms.size() == LLShaderMgr::PROJECTOR_AMBIENT_LOD+1);
+
+	mReservedUniforms.push_back("color");
+		
+	mReservedUniforms.push_back("diffuseMap");
+	mReservedUniforms.push_back("specularMap");
+	mReservedUniforms.push_back("bumpMap");
+	mReservedUniforms.push_back("environmentMap");
+	mReservedUniforms.push_back("cloude_noise_texture");
+	mReservedUniforms.push_back("fullbright");
+	mReservedUniforms.push_back("lightnorm");
+	mReservedUniforms.push_back("sunlight_color_copy");
+	mReservedUniforms.push_back("ambient");
+	mReservedUniforms.push_back("blue_horizon");
+	mReservedUniforms.push_back("blue_density");
+	mReservedUniforms.push_back("haze_horizon");
+	mReservedUniforms.push_back("haze_density");
+	mReservedUniforms.push_back("cloud_shadow");
+	mReservedUniforms.push_back("density_multiplier");
+	mReservedUniforms.push_back("distance_multiplier");
+	mReservedUniforms.push_back("max_y");
+	mReservedUniforms.push_back("glow");
+	mReservedUniforms.push_back("cloud_color");
+	mReservedUniforms.push_back("cloud_pos_density1");
+	mReservedUniforms.push_back("cloud_pos_density2");
+	mReservedUniforms.push_back("cloud_scale");
+	mReservedUniforms.push_back("gamma");
+	mReservedUniforms.push_back("scene_light_strength");
+
+	llassert(mReservedUniforms.size() == LLShaderMgr::SCENE_LIGHT_STRENGTH+1);
+
+	mReservedUniforms.push_back("center");
+	mReservedUniforms.push_back("size");
+	mReservedUniforms.push_back("falloff");
+
+
+	mReservedUniforms.push_back("minLuminance");
+	mReservedUniforms.push_back("maxExtractAlpha");
+	mReservedUniforms.push_back("lumWeights");
+	mReservedUniforms.push_back("warmthWeights");
+	mReservedUniforms.push_back("warmthAmount");
+	mReservedUniforms.push_back("glowStrength");
+	mReservedUniforms.push_back("glowDelta");
+
+	llassert(mReservedUniforms.size() == LLShaderMgr::GLOW_DELTA+1);
+
+
+	mReservedUniforms.push_back("minimum_alpha");
+
+	mReservedUniforms.push_back("shadow_matrix");
+	mReservedUniforms.push_back("env_mat");
+	mReservedUniforms.push_back("shadow_clip");
+	mReservedUniforms.push_back("sun_wash");
+	mReservedUniforms.push_back("shadow_noise");
+	mReservedUniforms.push_back("blur_size");
+	mReservedUniforms.push_back("ssao_radius");
+	mReservedUniforms.push_back("ssao_max_radius");
+	mReservedUniforms.push_back("ssao_factor");
+	mReservedUniforms.push_back("ssao_factor_inv");
+	mReservedUniforms.push_back("ssao_effect_mat");
+	mReservedUniforms.push_back("screen_res");
+	mReservedUniforms.push_back("near_clip");
+	mReservedUniforms.push_back("shadow_offset");
+	mReservedUniforms.push_back("shadow_bias");
+	mReservedUniforms.push_back("spot_shadow_bias");
+	mReservedUniforms.push_back("spot_shadow_offset");
+	mReservedUniforms.push_back("sun_dir");
+	mReservedUniforms.push_back("shadow_res");
+	mReservedUniforms.push_back("proj_shadow_res");
+	mReservedUniforms.push_back("depth_cutoff");
+	mReservedUniforms.push_back("norm_cutoff");
+	
+	llassert(mReservedUniforms.size() == LLShaderMgr::DEFERRED_NORM_CUTOFF+1);
+
+	mReservedUniforms.push_back("tc_scale");
+	mReservedUniforms.push_back("rcp_screen_res");
+	mReservedUniforms.push_back("rcp_frame_opt");
+	mReservedUniforms.push_back("rcp_frame_opt2");
+	
+	mReservedUniforms.push_back("focal_distance");
+	mReservedUniforms.push_back("blur_constant");
+	mReservedUniforms.push_back("tan_pixel_angle");
+	mReservedUniforms.push_back("magnification");
+	mReservedUniforms.push_back("max_cof");
+	mReservedUniforms.push_back("res_scale");
+	mReservedUniforms.push_back("dof_width");
+	mReservedUniforms.push_back("dof_height");
+
+	mReservedUniforms.push_back("depthMap");
+	mReservedUniforms.push_back("shadowMap0");
+	mReservedUniforms.push_back("shadowMap1");
+	mReservedUniforms.push_back("shadowMap2");
+	mReservedUniforms.push_back("shadowMap3");
+	mReservedUniforms.push_back("shadowMap4");
+	mReservedUniforms.push_back("shadowMap5");
+
+	llassert(mReservedUniforms.size() == LLShaderMgr::DEFERRED_SHADOW5+1);
+
+	mReservedUniforms.push_back("normalMap");
+	mReservedUniforms.push_back("positionMap");
+	mReservedUniforms.push_back("diffuseRect");
+	mReservedUniforms.push_back("specularRect");
+	mReservedUniforms.push_back("noiseMap");
+	mReservedUniforms.push_back("lightFunc");
+	mReservedUniforms.push_back("lightMap");
+	mReservedUniforms.push_back("bloomMap");
+	mReservedUniforms.push_back("projectionMap");
+
+	llassert(mReservedUniforms.size() == END_RESERVED_UNIFORMS);
+
+	std::set<std::string> dupe_check;
+
+	for (U32 i = 0; i < mReservedUniforms.size(); ++i)
+	{
+		if (dupe_check.find(mReservedUniforms[i]) != dupe_check.end())
+		{
+			llerrs << "Duplicate reserved uniform name found: " << mReservedUniforms[i] << llendl;
+		}
+		dupe_check.insert(mReservedUniforms[i]);
+	}
+}
+