merge

1 files changed, 52 insertions, 18 deletions

diff --git a/indra/newview/llviewershadermgr.cpp b/indra/newview/llviewershadermgr.cpp
index 5de363e03c..10c61c01d5 100644
--- a/indra/newview/llviewershadermgr.cpp
+++ b/indra/newview/llviewershadermgr.cpp
@@ -363,6 +363,12 @@ void LLViewerShaderMgr::setShaders()
 	//NEVER use more than 16 texture channels (work around for prevalent driver bug)
 	LLGLSLShader::sIndexedTextureChannels = llmin(LLGLSLShader::sIndexedTextureChannels, 16);
 
+	if (gGLManager.mGLSLVersionMajor < 1 ||
+		(gGLManager.mGLSLVersionMajor == 1 && gGLManager.mGLSLVersionMinor <= 20))
+	{ //NEVER use indexed texture rendering when GLSL version is 1.20 or earlier
+		LLGLSLShader::sIndexedTextureChannels = 1;
+	}
+
 	reentrance = true;
 
 	if (LLRender::sGLCoreProfile)
@@ -407,6 +413,8 @@ void LLViewerShaderMgr::setShaders()
 
 	// Shaders
 	LL_INFOS("ShaderLoading") << "\n~~~~~~~~~~~~~~~~~~\n Loading Shaders:\n~~~~~~~~~~~~~~~~~~" << LL_ENDL;
+	LL_INFOS("ShaderLoading") << llformat("Using GLSL %d.%d", gGLManager.mGLSLVersionMajor, gGLManager.mGLSLVersionMinor) << llendl;
+
 	for (S32 i = 0; i < SHADER_COUNT; i++)
 	{
 		mVertexShaderLevel[i] = 0;
@@ -416,6 +424,7 @@ void LLViewerShaderMgr::setShaders()
 	LLGLSLShader::sNoFixedFunction = false;
 	LLVertexBuffer::unbind();
 	if (LLFeatureManager::getInstance()->isFeatureAvailable("VertexShaderEnable") 
+		&& (gGLManager.mGLSLVersionMajor > 1 || gGLManager.mGLSLVersionMinor >= 10)
 		&& gSavedSettings.getBOOL("VertexShaderEnable"))
 	{
 		//using shaders, disable fixed function
@@ -730,7 +739,7 @@ BOOL LLViewerShaderMgr::loadBasicShaders()
 
 	vector< pair<string, S32> > shaders;
 	shaders.push_back( make_pair( "windlight/atmosphericsVarsV.glsl",		mVertexShaderLevel[SHADER_WINDLIGHT] ) );
-	shaders.push_back( make_pair( "windlight/atmosphericsVarsWaterV.glsl",		mVertexShaderLevel[SHADER_WINDLIGHT] ) );
+	shaders.push_back( make_pair( "windlight/atmosphericsVarsWaterV.glsl",	mVertexShaderLevel[SHADER_WINDLIGHT] ) );
 	shaders.push_back( make_pair( "windlight/atmosphericsHelpersV.glsl",	mVertexShaderLevel[SHADER_WINDLIGHT] ) );
 	shaders.push_back( make_pair( "lighting/lightFuncV.glsl",				mVertexShaderLevel[SHADER_LIGHTING] ) );
 	shaders.push_back( make_pair( "lighting/sumLightsV.glsl",				sum_lights_class ) );
@@ -741,7 +750,10 @@ BOOL LLViewerShaderMgr::loadBasicShaders()
 	shaders.push_back( make_pair( "windlight/atmosphericsV.glsl",			mVertexShaderLevel[SHADER_WINDLIGHT] ) );
 	shaders.push_back( make_pair( "avatar/avatarSkinV.glsl",				1 ) );
 	shaders.push_back( make_pair( "avatar/objectSkinV.glsl",				1 ) );
-	shaders.push_back( make_pair( "objects/indexedTextureV.glsl",			1 ) );
+	if (gGLManager.mGLSLVersionMajor >= 2 || gGLManager.mGLSLVersionMinor >= 30)
+	{
+		shaders.push_back( make_pair( "objects/indexedTextureV.glsl",			1 ) );
+	}
 	shaders.push_back( make_pair( "objects/nonindexedTextureV.glsl",		1 ) );
 
 	// We no longer have to bind the shaders to global glhandles, they are automatically added to a map now.
@@ -758,11 +770,11 @@ BOOL LLViewerShaderMgr::loadBasicShaders()
 	// (in order of shader function call depth for reference purposes, deepest level first)
 
 	shaders.clear();
-	S32 ch = llmax(LLGLSLShader::sIndexedTextureChannels-1, 1);
+	S32 ch = 1;
 
-	if (gGLManager.mGLVersion < 3.1f)
-	{ //force to 1 texture index channel for old drivers
-		ch = 1;
+	if (gGLManager.mGLSLVersionMajor > 1 || gGLManager.mGLSLVersionMinor >= 30)
+	{ //use indexed texture rendering for GLSL >= 1.30
+		ch = llmax(LLGLSLShader::sIndexedTextureChannels-1, 1);
 	}
 
 	std::vector<S32> index_channels;
@@ -1102,19 +1114,25 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	if (success)
 	{
 		gDeferredSkinnedAlphaProgram.mName = "Deferred Skinned Alpha Shader";
+		gDeferredSkinnedAlphaProgram.mFeatures.atmosphericHelpers = true;
 		gDeferredSkinnedAlphaProgram.mFeatures.hasObjectSkinning = true;
 		gDeferredSkinnedAlphaProgram.mFeatures.calculatesAtmospherics = true;
 		gDeferredSkinnedAlphaProgram.mFeatures.hasGamma = true;
 		gDeferredSkinnedAlphaProgram.mFeatures.hasAtmospherics = true;
-		gDeferredSkinnedAlphaProgram.mFeatures.calculatesLighting = true;
-		gDeferredSkinnedAlphaProgram.mFeatures.hasLighting = true;
+		gDeferredSkinnedAlphaProgram.mFeatures.calculatesLighting = false;
+		gDeferredSkinnedAlphaProgram.mFeatures.hasLighting = false;
 		gDeferredSkinnedAlphaProgram.mFeatures.isAlphaLighting = true;
 		gDeferredSkinnedAlphaProgram.mFeatures.disableTextureIndex = true;
 		gDeferredSkinnedAlphaProgram.mShaderFiles.clear();
 		gDeferredSkinnedAlphaProgram.mShaderFiles.push_back(make_pair("deferred/alphaSkinnedV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredSkinnedAlphaProgram.mShaderFiles.push_back(make_pair("deferred/alphaNonIndexedF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredSkinnedAlphaProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		
 		success = gDeferredSkinnedAlphaProgram.createShader(NULL, NULL);
+		
+		// Hack to include uniforms for lighting without linking in lighting file
+		gDeferredSkinnedAlphaProgram.mFeatures.calculatesLighting = true;
+		gDeferredSkinnedAlphaProgram.mFeatures.hasLighting = true;
 	}
 
 	if (success)
@@ -1200,6 +1218,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	if (success)
 	{
 		std::string fragment;
+		std::string vertex = "deferred/sunLightV.glsl";
 
 		if (gSavedSettings.getBOOL("RenderDeferredSSAO"))
 		{
@@ -1208,11 +1227,15 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		else
 		{
 			fragment = "deferred/sunLightF.glsl";
+			if (mVertexShaderLevel[SHADER_DEFERRED] == 1)
+			{ //no shadows, no SSAO, no frag coord
+				vertex = "deferred/sunLightNoFragCoordV.glsl";
+			}
 		}
 
 		gDeferredSunProgram.mName = "Deferred Sun Shader";
 		gDeferredSunProgram.mShaderFiles.clear();
-		gDeferredSunProgram.mShaderFiles.push_back(make_pair("deferred/sunLightV.glsl", GL_VERTEX_SHADER_ARB));
+		gDeferredSunProgram.mShaderFiles.push_back(make_pair(vertex, GL_VERTEX_SHADER_ARB));
 		gDeferredSunProgram.mShaderFiles.push_back(make_pair(fragment, GL_FRAGMENT_SHADER_ARB));
 		gDeferredSunProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
 		success = gDeferredSunProgram.createShader(NULL, NULL);
@@ -1231,11 +1254,12 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	if (success)
 	{
 		gDeferredAlphaProgram.mName = "Deferred Alpha Shader";
-		gDeferredAlphaProgram.mFeatures.calculatesLighting = true;
+		gDeferredAlphaProgram.mFeatures.atmosphericHelpers = true;
+		gDeferredAlphaProgram.mFeatures.calculatesLighting = false;
 		gDeferredAlphaProgram.mFeatures.calculatesAtmospherics = true;
 		gDeferredAlphaProgram.mFeatures.hasGamma = true;
 		gDeferredAlphaProgram.mFeatures.hasAtmospherics = true;
-		gDeferredAlphaProgram.mFeatures.hasLighting = true;
+		gDeferredAlphaProgram.mFeatures.hasLighting = false;
 		gDeferredAlphaProgram.mFeatures.isAlphaLighting = true;
 		gDeferredAlphaProgram.mFeatures.disableTextureIndex = true; //hack to disable auto-setup of texture channels
 		if (mVertexShaderLevel[SHADER_DEFERRED] < 1)
@@ -1251,7 +1275,12 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredAlphaProgram.mShaderFiles.push_back(make_pair("deferred/alphaV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredAlphaProgram.mShaderFiles.push_back(make_pair("deferred/alphaF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredAlphaProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+
 		success = gDeferredAlphaProgram.createShader(NULL, NULL);
+
+		// Hack
+		gDeferredAlphaProgram.mFeatures.calculatesLighting = true;
+		gDeferredAlphaProgram.mFeatures.hasLighting = true;
 	}
 
 	if (success)
@@ -1394,19 +1423,24 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	if (success)
 	{
 		gDeferredAvatarAlphaProgram.mName = "Avatar Alpha Shader";
+		gDeferredAvatarAlphaProgram.mFeatures.atmosphericHelpers = true;
 		gDeferredAvatarAlphaProgram.mFeatures.hasSkinning = true;
-		gDeferredAvatarAlphaProgram.mFeatures.calculatesLighting = true;
+		gDeferredAvatarAlphaProgram.mFeatures.calculatesLighting = false;
 		gDeferredAvatarAlphaProgram.mFeatures.calculatesAtmospherics = true;
 		gDeferredAvatarAlphaProgram.mFeatures.hasGamma = true;
 		gDeferredAvatarAlphaProgram.mFeatures.hasAtmospherics = true;
-		gDeferredAvatarAlphaProgram.mFeatures.hasLighting = true;
+		gDeferredAvatarAlphaProgram.mFeatures.hasLighting = false;
 		gDeferredAvatarAlphaProgram.mFeatures.isAlphaLighting = true;
 		gDeferredAvatarAlphaProgram.mFeatures.disableTextureIndex = true;
 		gDeferredAvatarAlphaProgram.mShaderFiles.clear();
-		gDeferredAvatarAlphaProgram.mShaderFiles.push_back(make_pair("deferred/avatarAlphaV.glsl", GL_VERTEX_SHADER_ARB));
+		gDeferredAvatarAlphaProgram.mShaderFiles.push_back(make_pair("deferred/avatarAlphaNoColorV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredAvatarAlphaProgram.mShaderFiles.push_back(make_pair("deferred/alphaNonIndexedNoColorF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredAvatarAlphaProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+
 		success = gDeferredAvatarAlphaProgram.createShader(NULL, &mAvatarUniforms);
+
+		gDeferredAvatarAlphaProgram.mFeatures.calculatesLighting = true;
+		gDeferredAvatarAlphaProgram.mFeatures.hasLighting = true;
 	}
 
 	if (success)
@@ -1423,7 +1457,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	{
 		gDeferredPostProgram.mName = "Deferred Post Shader";
 		gDeferredPostProgram.mShaderFiles.clear();
-		gDeferredPostProgram.mShaderFiles.push_back(make_pair("deferred/postDeferredV.glsl", GL_VERTEX_SHADER_ARB));
+		gDeferredPostProgram.mShaderFiles.push_back(make_pair("deferred/postDeferredNoTCV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredPostProgram.mShaderFiles.push_back(make_pair("deferred/postDeferredF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredPostProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
 		success = gDeferredPostProgram.createShader(NULL, NULL);
@@ -1433,7 +1467,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	{
 		gDeferredCoFProgram.mName = "Deferred CoF Shader";
 		gDeferredCoFProgram.mShaderFiles.clear();
-		gDeferredCoFProgram.mShaderFiles.push_back(make_pair("deferred/postDeferredV.glsl", GL_VERTEX_SHADER_ARB));
+		gDeferredCoFProgram.mShaderFiles.push_back(make_pair("deferred/postDeferredNoTCV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredCoFProgram.mShaderFiles.push_back(make_pair("deferred/cofF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredCoFProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
 		success = gDeferredCoFProgram.createShader(NULL, NULL);
@@ -1443,7 +1477,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	{
 		gDeferredDoFCombineProgram.mName = "Deferred DoFCombine Shader";
 		gDeferredDoFCombineProgram.mShaderFiles.clear();
-		gDeferredDoFCombineProgram.mShaderFiles.push_back(make_pair("deferred/postDeferredV.glsl", GL_VERTEX_SHADER_ARB));
+		gDeferredDoFCombineProgram.mShaderFiles.push_back(make_pair("deferred/postDeferredNoTCV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredDoFCombineProgram.mShaderFiles.push_back(make_pair("deferred/dofCombineF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredDoFCombineProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
 		success = gDeferredDoFCombineProgram.createShader(NULL, NULL);
@@ -1453,7 +1487,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	{
 		gDeferredPostNoDoFProgram.mName = "Deferred Post Shader";
 		gDeferredPostNoDoFProgram.mShaderFiles.clear();
-		gDeferredPostNoDoFProgram.mShaderFiles.push_back(make_pair("deferred/postDeferredV.glsl", GL_VERTEX_SHADER_ARB));
+		gDeferredPostNoDoFProgram.mShaderFiles.push_back(make_pair("deferred/postDeferredNoTCV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredPostNoDoFProgram.mShaderFiles.push_back(make_pair("deferred/postDeferredNoDoFF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredPostNoDoFProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
 		success = gDeferredPostNoDoFProgram.createShader(NULL, NULL);