4 files changed, 39 insertions, 28 deletions

diff --git a/indra/llrender/llrender.cpp b/indra/llrender/llrender.cpp
index 34c5b77944..91d3c96fbe 100644
--- a/indra/llrender/llrender.cpp
+++ b/indra/llrender/llrender.cpp
@@ -472,6 +472,28 @@ void LLTexUnit::unbind(eTextureType type)
 	}
 }
 
+void LLTexUnit::unbindFast(eTextureType type)
+{
+    activate();
+
+    // Disabled caching of binding state.
+    if (mCurrTexType == type)
+    {
+        mCurrTexture = 0;
+
+        // Always make sure our texture color space is reset to linear.  SRGB sampling should be opt-in in the vast majority of cases.  Also prevents color space "popping".
+        mTexColorSpace = TCS_LINEAR;
+        if (type == LLTexUnit::TT_TEXTURE)
+        {
+            glBindTexture(sGLTextureType[type], sWhiteTexture);
+        }
+        else
+        {
+            glBindTexture(sGLTextureType[type], 0);
+        }
+    }
+}
+
 void LLTexUnit::setTextureAddressMode(eTextureAddressMode mode)
 {
 	if (mIndex < 0 || mCurrTexture == 0) return;
diff --git a/indra/llrender/llrender.h b/indra/llrender/llrender.h
index 658cdda504..6e2647a16b 100644
--- a/indra/llrender/llrender.h
+++ b/indra/llrender/llrender.h
@@ -188,6 +188,9 @@ public:
 	// (only if there's a texture of the given type currently bound)
 	void unbind(eTextureType type);
 
+    // Fast but unsafe version of unbind
+    void unbindFast(eTextureType type);
+
 	// Sets the addressing mode used to sample the texture
 	// Warning: this stays set for the bound texture forever, 
 	// make sure you want to permanently change the address mode  for the bound texture.
diff --git a/indra/newview/lldrawpool.cpp b/indra/newview/lldrawpool.cpp
index 01dd307187..75d569ffbb 100644
--- a/indra/newview/lldrawpool.cpp
+++ b/indra/newview/lldrawpool.cpp
@@ -496,17 +496,15 @@ void LLRenderPass::pushBatch(LLDrawInfo& params, U32 mask, BOOL texture, BOOL ba
 		}
 	}
 	
+    if (params.mGroup)
     {
-        if (params.mGroup)
-        {
-            params.mGroup->rebuildMesh();
-        }
+        params.mGroup->rebuildMesh();
+    }
 
-        LLGLEnableFunc stencil_test(GL_STENCIL_TEST, params.mSelected, &LLGLCommonFunc::selected_stencil_test);
+    LLGLEnableFunc stencil_test(GL_STENCIL_TEST, params.mSelected, &LLGLCommonFunc::selected_stencil_test);
 
-        params.mVertexBuffer->setBufferFast(mask);
-        params.mVertexBuffer->drawRangeFast(params.mDrawMode, params.mStart, params.mEnd, params.mCount, params.mOffset);
-    }
+    params.mVertexBuffer->setBufferFast(mask);
+    params.mVertexBuffer->drawRangeFast(params.mDrawMode, params.mStart, params.mEnd, params.mCount, params.mOffset);
 
 	if (tex_setup)
 	{
diff --git a/indra/newview/lldrawpoolbump.cpp b/indra/newview/lldrawpoolbump.cpp
index 14069fa6c2..7e2dfbfda1 100644
--- a/indra/newview/lldrawpoolbump.cpp
+++ b/indra/newview/lldrawpoolbump.cpp
@@ -677,6 +677,7 @@ BOOL LLDrawPoolBump::bindBumpMap(LLFace* face, S32 channel)
 //static
 BOOL LLDrawPoolBump::bindBumpMap(U8 bump_code, LLViewerTexture* texture, F32 vsize, S32 channel)
 {
+    LL_PROFILE_ZONE_SCOPED;
 	//Note: texture atlas does not support bump texture now.
 	LLViewerFetchedTexture* tex = LLViewerTextureManager::staticCastToFetchedTexture(texture) ;
 	if(!tex)
@@ -1497,6 +1498,7 @@ void LLDrawPoolBump::renderBump(U32 type, U32 mask)
 
 void LLDrawPoolBump::pushBatch(LLDrawInfo& params, U32 mask, BOOL texture, BOOL batch_textures)
 {
+    LL_PROFILE_ZONE_SCOPED;
 	applyModelMatrix(params);
 
 	bool tex_setup = false;
@@ -1507,7 +1509,7 @@ void LLDrawPoolBump::pushBatch(LLDrawInfo& params, U32 mask, BOOL texture, BOOL
 		{
 			if (params.mTextureList[i].notNull())
 			{
-				gGL.getTexUnit(i)->bind(params.mTextureList[i], TRUE);
+				gGL.getTexUnit(i)->bindFast(params.mTextureList[i]);
 			}
 		}
 	}
@@ -1522,13 +1524,6 @@ void LLDrawPoolBump::pushBatch(LLDrawInfo& params, U32 mask, BOOL texture, BOOL
 			}
 			else
 			{
-				if (!LLGLSLShader::sNoFixedFunction)
-				{
-					gGL.getTexUnit(1)->activate();
-					gGL.matrixMode(LLRender::MM_TEXTURE);
-					gGL.loadMatrix((GLfloat*) params.mTextureMatrix->mMatrix);
-				}
-
 				gGL.getTexUnit(0)->activate();
 				gGL.matrixMode(LLRender::MM_TEXTURE);
 				gGL.loadMatrix((GLfloat*) params.mTextureMatrix->mMatrix);
@@ -1545,8 +1540,7 @@ void LLDrawPoolBump::pushBatch(LLDrawInfo& params, U32 mask, BOOL texture, BOOL
 		{
 			if (params.mTexture.notNull())
 			{
-				gGL.getTexUnit(diffuse_channel)->bind(params.mTexture);
-				params.mTexture->addTextureStats(params.mVSize);		
+				gGL.getTexUnit(diffuse_channel)->bindFast(params.mTexture);
 			}
 			else
 			{
@@ -1559,10 +1553,10 @@ void LLDrawPoolBump::pushBatch(LLDrawInfo& params, U32 mask, BOOL texture, BOOL
 	{
 		params.mGroup->rebuildMesh();
 	}
-	params.mVertexBuffer->setBuffer(mask);
-	params.mVertexBuffer->drawRange(params.mDrawMode, params.mStart, params.mEnd, params.mCount, params.mOffset);
-	gPipeline.addTrianglesDrawn(params.mCount, params.mDrawMode);
-	if (tex_setup)
+	params.mVertexBuffer->setBufferFast(mask);
+	params.mVertexBuffer->drawRangeFast(params.mDrawMode, params.mStart, params.mEnd, params.mCount, params.mOffset);
+
+    if (tex_setup)
 	{
 		if (mShiny)
 		{
@@ -1570,12 +1564,6 @@ void LLDrawPoolBump::pushBatch(LLDrawInfo& params, U32 mask, BOOL texture, BOOL
 		}
 		else
 		{
-			if (!LLGLSLShader::sNoFixedFunction)
-			{
-				gGL.getTexUnit(1)->activate();
-				gGL.matrixMode(LLRender::MM_TEXTURE);
-				gGL.loadIdentity();
-			}
 			gGL.getTexUnit(0)->activate();
 			gGL.matrixMode(LLRender::MM_TEXTURE);
 		}