merge

46 files changed, 868 insertions, 199 deletions

diff --git a/indra/newview/app_settings/logcontrol.xml b/indra/newview/app_settings/logcontrol.xml
index 9f4e89691f..ae72dee900 100644
--- a/indra/newview/app_settings/logcontrol.xml
+++ b/indra/newview/app_settings/logcontrol.xml
@@ -44,7 +44,6 @@
 						<array>
 							<!-- sample entry for debugging a specific item	-->
 <!--						<string>Voice</string>							-->
-              <string>Capabilities</string>
 						</array>
 				</map>
 			</array>
diff --git a/indra/newview/app_settings/shaders/class1/interface/customalphaF.glsl b/indra/newview/app_settings/shaders/class1/interface/customalphaF.glsl
new file mode 100644
index 0000000000..3827c72f4c
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/interface/customalphaF.glsl
@@ -0,0 +1,17 @@
+/** 
+ * @file customalphaF.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * $/LicenseInfo$
+ */
+ 
+uniform sampler2D diffuseMap;
+
+uniform float custom_alpha;
+
+void main() 
+{
+	vec4 color = gl_Color*texture2D(diffuseMap, gl_TexCoord[0].xy);
+	color.a *= custom_alpha;
+	gl_FragColor = color;
+}
diff --git a/indra/newview/app_settings/shaders/class1/interface/customalphaV.glsl b/indra/newview/app_settings/shaders/class1/interface/customalphaV.glsl
new file mode 100644
index 0000000000..04bfff22c1
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/interface/customalphaV.glsl
@@ -0,0 +1,16 @@
+/** 
+ * @file customalphaV.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * $/LicenseInfo$
+ */
+ 
+
+
+void main()
+{
+	gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
+	gl_TexCoord[0] = gl_MultiTexCoord0;
+	gl_FrontColor = gl_Color;
+}
+
diff --git a/indra/newview/app_settings/shaders/class1/interface/glowcombineF.glsl b/indra/newview/app_settings/shaders/class1/interface/glowcombineF.glsl
new file mode 100644
index 0000000000..a60fb1eaa7
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/interface/glowcombineF.glsl
@@ -0,0 +1,17 @@
+/** 
+ * @file glowcombineF.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * $/LicenseInfo$
+ */
+ 
+#extension GL_ARB_texture_rectangle : enable
+
+uniform sampler2D glowMap;
+uniform sampler2DRect screenMap;
+
+void main() 
+{
+	gl_FragColor = texture2D(glowMap, gl_TexCoord[0].xy) +
+					texture2DRect(screenMap, gl_TexCoord[1].xy);
+}
diff --git a/indra/newview/app_settings/shaders/class1/interface/glowcombineV.glsl b/indra/newview/app_settings/shaders/class1/interface/glowcombineV.glsl
new file mode 100644
index 0000000000..ce183ec154
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/interface/glowcombineV.glsl
@@ -0,0 +1,15 @@
+/** 
+ * @file glowcombineV.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * $/LicenseInfo$
+ */
+ 
+
+void main()
+{
+	gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
+	gl_TexCoord[0] = gl_MultiTexCoord0;
+	gl_TexCoord[1] = gl_MultiTexCoord1;
+}
+
diff --git a/indra/newview/app_settings/shaders/class1/interface/occlusionF.glsl b/indra/newview/app_settings/shaders/class1/interface/occlusionF.glsl
new file mode 100644
index 0000000000..b140712f18
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/interface/occlusionF.glsl
@@ -0,0 +1,11 @@
+/** 
+ * @file occlusionF.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * $/LicenseInfo$
+ */
+ 
+void main() 
+{
+	gl_FragColor = vec4(1,1,1,1);
+}
diff --git a/indra/newview/app_settings/shaders/class1/interface/occlusionV.glsl b/indra/newview/app_settings/shaders/class1/interface/occlusionV.glsl
new file mode 100644
index 0000000000..5a5d0ec506
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/interface/occlusionV.glsl
@@ -0,0 +1,12 @@
+/** 
+ * @file uiV.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * $/LicenseInfo$
+ */
+
+void main()
+{
+	gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
+}
+
diff --git a/indra/newview/app_settings/shaders/class1/interface/solidcolorF.glsl b/indra/newview/app_settings/shaders/class1/interface/solidcolorF.glsl
new file mode 100644
index 0000000000..ae943cc438
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/interface/solidcolorF.glsl
@@ -0,0 +1,15 @@
+/** 
+ * @file twotextureaddF.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * $/LicenseInfo$
+ */
+ 
+uniform sampler2D tex0;
+
+void main() 
+{
+	float alpha = texture2D(tex0, gl_TexCoord[0].xy).a;
+
+	gl_FragColor = vec4(gl_Color.rgb, alpha);
+}
diff --git a/indra/newview/app_settings/shaders/class1/interface/solidcolorV.glsl b/indra/newview/app_settings/shaders/class1/interface/solidcolorV.glsl
new file mode 100644
index 0000000000..5a854b4e02
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/interface/solidcolorV.glsl
@@ -0,0 +1,15 @@
+/** 
+ * @file solidcolorV.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * $/LicenseInfo$
+ */
+ 
+
+
+void main()
+{
+	gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
+	gl_TexCoord[0] = gl_MultiTexCoord0;
+}
+
diff --git a/indra/newview/app_settings/shaders/class1/interface/twotextureaddF.glsl b/indra/newview/app_settings/shaders/class1/interface/twotextureaddF.glsl
new file mode 100644
index 0000000000..d81b56fdb9
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/interface/twotextureaddF.glsl
@@ -0,0 +1,14 @@
+/** 
+ * @file twotextureaddF.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * $/LicenseInfo$
+ */
+ 
+uniform sampler2D tex0;
+uniform sampler2D tex1;
+
+void main() 
+{
+	gl_FragColor = texture2D(tex0, gl_TexCoord[0].xy)+texture2D(tex1, gl_TexCoord[1].xy);
+}
diff --git a/indra/newview/app_settings/shaders/class1/interface/twotextureaddV.glsl b/indra/newview/app_settings/shaders/class1/interface/twotextureaddV.glsl
new file mode 100644
index 0000000000..f685b112b4
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/interface/twotextureaddV.glsl
@@ -0,0 +1,16 @@
+/** 
+ * @file twotextureaddV.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * $/LicenseInfo$
+ */
+ 
+
+
+void main()
+{
+	gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
+	gl_TexCoord[0] = gl_MultiTexCoord0;
+	gl_TexCoord[1] = gl_MultiTexCoord1;
+}
+
diff --git a/indra/newview/app_settings/shaders/class1/interface/uiF.glsl b/indra/newview/app_settings/shaders/class1/interface/uiF.glsl
new file mode 100644
index 0000000000..9dec7a56ba
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/interface/uiF.glsl
@@ -0,0 +1,13 @@
+/** 
+ * @file uiF.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * $/LicenseInfo$
+ */
+ 
+uniform sampler2D diffuseMap;
+
+void main() 
+{
+	gl_FragColor = gl_Color*texture2D(diffuseMap, gl_TexCoord[0].xy);
+}
diff --git a/indra/newview/app_settings/shaders/class1/interface/uiV.glsl b/indra/newview/app_settings/shaders/class1/interface/uiV.glsl
new file mode 100644
index 0000000000..9ca6cae5c5
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/interface/uiV.glsl
@@ -0,0 +1,16 @@
+/** 
+ * @file uiV.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * $/LicenseInfo$
+ */
+ 
+
+
+void main()
+{
+	gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
+	gl_TexCoord[0] = gl_MultiTexCoord0;
+	gl_FrontColor = gl_Color;
+}
+
diff --git a/indra/newview/app_settings/shaders/class1/objects/bumpF.glsl b/indra/newview/app_settings/shaders/class1/objects/bumpF.glsl
new file mode 100644
index 0000000000..587ab93a80
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/objects/bumpF.glsl
@@ -0,0 +1,17 @@
+/** 
+ * @file bumpF.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * $/LicenseInfo$
+ */
+ 
+uniform sampler2D texture0;
+uniform sampler2D texture1;
+
+void main() 
+{
+	float tex0 = texture2D(texture0, gl_TexCoord[0].xy).a;
+	float tex1 = texture2D(texture1, gl_TexCoord[1].xy).a;
+
+	gl_FragColor = vec4(tex0+(1.0-tex1)-0.5);
+}
diff --git a/indra/newview/app_settings/shaders/class1/objects/bumpV.glsl b/indra/newview/app_settings/shaders/class1/objects/bumpV.glsl
new file mode 100644
index 0000000000..056d1a9582
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/objects/bumpV.glsl
@@ -0,0 +1,16 @@
+/** 
+ * @file bumpV.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * $/LicenseInfo$
+ */
+ 
+
+void main()
+{
+	//transform vertex
+	gl_Position = gl_ModelViewProjectionMatrix*gl_Vertex;
+	gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;
+	gl_TexCoord[1] = gl_TextureMatrix[1] * gl_MultiTexCoord1;
+	gl_FrontColor = gl_Color;
+}
diff --git a/indra/newview/featuretable.txt b/indra/newview/featuretable.txt
index 22c79a4cbd..67c8b977cf 100644
--- a/indra/newview/featuretable.txt
+++ b/indra/newview/featuretable.txt
@@ -1,4 +1,4 @@
-version 30
+version 32
 
 // NOTE: This is mostly identical to featuretable_mac.txt with a few differences
 // Should be combined into one table
@@ -244,10 +244,10 @@ RenderDeferredSSAO			0	0
 RenderShadowDetail			0	0
 
 //
-// No GL_ARB_map_buffer_range
+// GL_ARB_map_buffer_range exists
 //
-list NoMapBufferRange
-RenderVBOMappingDisable		1	0
+list MapBufferRange
+RenderVBOMappingDisable		1	1
 
 
 //
diff --git a/indra/newview/featuretable_linux.txt b/indra/newview/featuretable_linux.txt
index 649f5ebd18..6e962f3c56 100644
--- a/indra/newview/featuretable_linux.txt
+++ b/indra/newview/featuretable_linux.txt
@@ -1,4 +1,4 @@
-version 25
+version 27
 
 // NOTE: This is mostly identical to featuretable_mac.txt with a few differences
 // Should be combined into one table
@@ -242,10 +242,10 @@ RenderDeferredSSAO			0	0
 RenderShadowDetail			0	0
 
 //
-// No GL_ARB_map_buffer_range
+// GL_ARB_map_buffer_range exists
 //
-list NoMapBufferRange
-RenderVBOMappingDisable		1	0
+list MapBufferRange
+RenderVBOMappingDisable		1	1
 
 
 
diff --git a/indra/newview/featuretable_mac.txt b/indra/newview/featuretable_mac.txt
index ee08e78af5..fa67ee547c 100644
--- a/indra/newview/featuretable_mac.txt
+++ b/indra/newview/featuretable_mac.txt
@@ -1,4 +1,4 @@
-version 26
+version 29
 
 // NOTE: This is mostly identical to featuretable_mac.txt with a few differences
 // Should be combined into one table
@@ -47,8 +47,8 @@ RenderTerrainLODFactor			1	2.0
 RenderTransparentWater			1	1
 RenderTreeLODFactor				1	1.0
 RenderUseImpostors				1	1
-RenderVBOEnable					1	1
-RenderVBOMappingDisable		1	1
+RenderVBOEnable					1	0
+RenderVBOMappingDisable		1	0
 RenderVolumeLODFactor			1	2.0
 UseStartScreen				1	1
 UseOcclusion					1	1
@@ -63,7 +63,7 @@ RenderDeferred				1	1
 RenderDeferredSSAO			1	1
 RenderShadowDetail			1	2
 WatchdogDisabled				1	1
-RenderUseStreamVBO			1	1
+RenderUseStreamVBO			1	0
 RenderFSAASamples			1	16
 
 //
@@ -244,13 +244,6 @@ RenderDeferredSSAO			0	0
 RenderShadowDetail			0	0
 
 //
-// No GL_ARB_map_buffer_range
-//
-list NoMapBufferRange
-RenderVBOMappingDisable		1	0
-
-
-//
 // "Default" setups for safe, low, medium, high
 //
 list safe
diff --git a/indra/newview/featuretable_xp.txt b/indra/newview/featuretable_xp.txt
index ba74f9a6c2..a0245f5369 100644
--- a/indra/newview/featuretable_xp.txt
+++ b/indra/newview/featuretable_xp.txt
@@ -1,4 +1,4 @@
-version 30
+version 31
 
 // NOTE: This is mostly identical to featuretable_mac.txt with a few differences
 // Should be combined into one table
@@ -244,10 +244,10 @@ RenderDeferredSSAO			0	0
 RenderShadowDetail			0	0
 
 //
-// No GL_ARB_map_buffer_range
+// GL_ARB_map_buffer_range exists
 //
-list NoMapBufferRange
-RenderVBOMappingDisable		1	0
+list MapBufferRange
+RenderVBOMappingDisable		1	1
 
 
 //
diff --git a/indra/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp
index 862fc49c0e..b65933f8a1 100644
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -4003,6 +4003,8 @@ public:
 
 static LLFastTimer::DeclareTimer FTM_AUDIO_UPDATE("Update Audio");
 static LLFastTimer::DeclareTimer FTM_CLEANUP("Cleanup");
+static LLFastTimer::DeclareTimer FTM_CLEANUP_DRAWABLES("Drawables");
+static LLFastTimer::DeclareTimer FTM_CLEANUP_OBJECTS("Objects");
 static LLFastTimer::DeclareTimer FTM_IDLE_CB("Idle Callbacks");
 static LLFastTimer::DeclareTimer FTM_LOD_UPDATE("Update LOD");
 static LLFastTimer::DeclareTimer FTM_OBJECTLIST_UPDATE("Update Objectlist");
@@ -4279,8 +4281,14 @@ void LLAppViewer::idle()
 
 	{
 		LLFastTimer t(FTM_CLEANUP);
-		gObjectList.cleanDeadObjects();
-		LLDrawable::cleanupDeadDrawables();
+		{
+			LLFastTimer t(FTM_CLEANUP_OBJECTS);
+			gObjectList.cleanDeadObjects();
+		}
+		{
+			LLFastTimer t(FTM_CLEANUP_DRAWABLES);
+			LLDrawable::cleanupDeadDrawables();
+		}
 	}
 	
 	//
diff --git a/indra/newview/lldrawpool.cpp b/indra/newview/lldrawpool.cpp
index fa7d6e2a40..286284f828 100644
--- a/indra/newview/lldrawpool.cpp
+++ b/indra/newview/lldrawpool.cpp
@@ -190,15 +190,16 @@ void LLDrawPool::renderPostDeferred(S32 pass)
 //virtual
 void LLDrawPool::endRenderPass( S32 pass )
 {
-	for (U32 i = 0; i < gGLManager.mNumTextureImageUnits; i++)
+	/*for (U32 i = 0; i < gGLManager.mNumTextureImageUnits; i++)
 	{ //dummy cleanup of any currently bound textures
 		if (gGL.getTexUnit(i)->getCurrType() != LLTexUnit::TT_NONE)
 		{
 			gGL.getTexUnit(i)->unbind(gGL.getTexUnit(i)->getCurrType());
 			gGL.getTexUnit(i)->disable();
 		}
-	}
+	}*/
 
+	//make sure channel 0 is active channel
 	gGL.getTexUnit(0)->activate();
 }
 
diff --git a/indra/newview/lldrawpoolalpha.cpp b/indra/newview/lldrawpoolalpha.cpp
index ad7e3ad593..ddcf42e523 100644
--- a/indra/newview/lldrawpoolalpha.cpp
+++ b/indra/newview/lldrawpoolalpha.cpp
@@ -138,6 +138,7 @@ void LLDrawPoolAlpha::beginPostDeferredPass(S32 pass)
 		gPipeline.mDeferredDepth.bindTarget();
 		simple_shader = NULL;
 		fullbright_shader = NULL;
+		gObjectFullbrightProgram.bind();
 	}
 
 	deferred_render = TRUE;
@@ -156,6 +157,7 @@ void LLDrawPoolAlpha::endPostDeferredPass(S32 pass)
 	{
 		gPipeline.mDeferredDepth.flush();
 		gPipeline.mScreen.bindTarget();
+		gObjectFullbrightProgram.unbind();
 	}
 
 	deferred_render = FALSE;
@@ -238,7 +240,7 @@ void LLDrawPoolAlpha::render(S32 pass)
 				fullbright_shader->bind();
 			}
 			pushBatches(LLRenderPass::PASS_FULLBRIGHT_ALPHA_MASK, getVertexDataMask() | LLVertexBuffer::MAP_TEXTURE_INDEX, TRUE, TRUE);
-			LLGLSLShader::bindNoShader();
+			//LLGLSLShader::bindNoShader();
 		}
 		else
 		{
diff --git a/indra/newview/lldrawpoolbump.cpp b/indra/newview/lldrawpoolbump.cpp
index 813b3820ee..d801f6df18 100644
--- a/indra/newview/lldrawpoolbump.cpp
+++ b/indra/newview/lldrawpoolbump.cpp
@@ -464,11 +464,15 @@ void LLDrawPoolBump::unbindCubeMap(LLGLSLShader* shader, S32 shader_level, S32&
 			}
 		}
 	}
-	gGL.getTexUnit(diffuse_channel)->disable();
-	gGL.getTexUnit(cube_channel)->disable();
 
-	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-	gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT);
+	if (!LLGLSLShader::sNoFixedFunction)
+	{
+		gGL.getTexUnit(diffuse_channel)->disable();
+		gGL.getTexUnit(cube_channel)->disable();
+
+		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+		gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT);
+	}
 }
 
 void LLDrawPoolBump::endShiny(bool invisible)
@@ -583,19 +587,19 @@ void LLDrawPoolBump::endFullbrightShiny()
 		cube_map->disable();
 		cube_map->restoreMatrix();
 
-		if (diffuse_channel != 0)
+		/*if (diffuse_channel != 0)
 		{
 			shader->disableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
 		}
 		gGL.getTexUnit(0)->activate();
-		gGL.getTexUnit(0)->enable(LLTexUnit::TT_TEXTURE);
+		gGL.getTexUnit(0)->enable(LLTexUnit::TT_TEXTURE);*/
 
 		shader->unbind();
-		gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT);
+		//gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT);
 	}
 	
-	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-	gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT);
+	//gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+	//gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT);
 
 	diffuse_channel = -1;
 	cube_channel = 0;
@@ -706,36 +710,44 @@ void LLDrawPoolBump::beginBump(U32 pass)
 	// Optional second pass: emboss bump map
 	stop_glerror();
 
-	// TEXTURE UNIT 0
-	// Output.rgb = texture at texture coord 0
-	gGL.getTexUnit(0)->activate();
+	if (LLGLSLShader::sNoFixedFunction)
+	{
+		gObjectBumpProgram.bind();
+	}
+	else
+	{
+		// TEXTURE UNIT 0
+		// Output.rgb = texture at texture coord 0
+		gGL.getTexUnit(0)->activate();
 
-	gGL.getTexUnit(0)->setTextureColorBlend(LLTexUnit::TBO_REPLACE, LLTexUnit::TBS_TEX_ALPHA);
-	gGL.getTexUnit(0)->setTextureAlphaBlend(LLTexUnit::TBO_REPLACE, LLTexUnit::TBS_TEX_ALPHA);
+		gGL.getTexUnit(0)->setTextureColorBlend(LLTexUnit::TBO_REPLACE, LLTexUnit::TBS_TEX_ALPHA);
+		gGL.getTexUnit(0)->setTextureAlphaBlend(LLTexUnit::TBO_REPLACE, LLTexUnit::TBS_TEX_ALPHA);
 
-	// TEXTURE UNIT 1
-	gGL.getTexUnit(1)->activate();
+		// TEXTURE UNIT 1
+		gGL.getTexUnit(1)->activate();
  
-	gGL.getTexUnit(1)->enable(LLTexUnit::TT_TEXTURE);
+		gGL.getTexUnit(1)->enable(LLTexUnit::TT_TEXTURE);
+
+		gGL.getTexUnit(1)->setTextureColorBlend(LLTexUnit::TBO_ADD_SIGNED, LLTexUnit::TBS_PREV_COLOR, LLTexUnit::TBS_ONE_MINUS_TEX_ALPHA);
+		gGL.getTexUnit(1)->setTextureAlphaBlend(LLTexUnit::TBO_REPLACE, LLTexUnit::TBS_TEX_ALPHA);
 
-	gGL.getTexUnit(1)->setTextureColorBlend(LLTexUnit::TBO_ADD_SIGNED, LLTexUnit::TBS_PREV_COLOR, LLTexUnit::TBS_ONE_MINUS_TEX_ALPHA);
-	gGL.getTexUnit(1)->setTextureAlphaBlend(LLTexUnit::TBO_REPLACE, LLTexUnit::TBS_TEX_ALPHA);
+		// src	= tex0 + (1 - tex1) - 0.5
+		//		= (bump0/2 + 0.5) + (1 - (bump1/2 + 0.5)) - 0.5
+		//		= (1 + bump0 - bump1) / 2
 
-	// src	= tex0 + (1 - tex1) - 0.5
-	//		= (bump0/2 + 0.5) + (1 - (bump1/2 + 0.5)) - 0.5
-	//		= (1 + bump0 - bump1) / 2
 
+		// Blend: src * dst + dst * src
+		//		= 2 * src * dst
+		//		= 2 * ((1 + bump0 - bump1) / 2) * dst   [0 - 2 * dst]
+		//		= (1 + bump0 - bump1) * dst.rgb
+		//		= dst.rgb + dst.rgb * (bump0 - bump1)
+
+		gGL.getTexUnit(0)->activate();
+		gGL.getTexUnit(1)->unbind(LLTexUnit::TT_TEXTURE);
+	}
 
-	// Blend: src * dst + dst * src
-	//		= 2 * src * dst
-	//		= 2 * ((1 + bump0 - bump1) / 2) * dst   [0 - 2 * dst]
-	//		= (1 + bump0 - bump1) * dst.rgb
-	//		= dst.rgb + dst.rgb * (bump0 - bump1)
 	gGL.setSceneBlendType(LLRender::BT_MULT_X2);
-	gGL.getTexUnit(0)->activate();
 	stop_glerror();
-
-	gGL.getTexUnit(1)->unbind(LLTexUnit::TT_TEXTURE);
 }
 
 //static
@@ -765,14 +777,21 @@ void LLDrawPoolBump::endBump(U32 pass)
 		return;
 	}
 
-	// Disable texture unit 1
-	gGL.getTexUnit(1)->activate();
-	gGL.getTexUnit(1)->disable();
-	gGL.getTexUnit(1)->setTextureBlendType(LLTexUnit::TB_MULT);
+	if (LLGLSLShader::sNoFixedFunction)
+	{
+		gObjectBumpProgram.unbind();
+	}
+	else
+	{
+		// Disable texture blending on unit 1
+		gGL.getTexUnit(1)->activate();
+		//gGL.getTexUnit(1)->disable();
+		gGL.getTexUnit(1)->setTextureBlendType(LLTexUnit::TB_MULT);
 
-	// Disable texture unit 0
-	gGL.getTexUnit(0)->activate();
-	gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT);
+		// Disable texture blending on unit 0
+		gGL.getTexUnit(0)->activate();
+		gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT);
+	}
 	
 	gGL.setSceneBlendType(LLRender::BT_ALPHA);
 }
@@ -1407,6 +1426,11 @@ void LLDrawPoolInvisible::render(S32 pass)
 { //render invisiprims
 	LLFastTimer t(FTM_RENDER_INVISIBLE);
   
+	if (gPipeline.canUseVertexShaders())
+	{
+		gOcclusionProgram.bind();
+	}
+
 	U32 invisi_mask = LLVertexBuffer::MAP_VERTEX;
 	glStencilMask(0);
 	gGL.setColorMask(false, false);
@@ -1414,6 +1438,11 @@ void LLDrawPoolInvisible::render(S32 pass)
 	gGL.setColorMask(true, false);
 	glStencilMask(0xFFFFFFFF);
 
+	if (gPipeline.canUseVertexShaders())
+	{
+		gOcclusionProgram.unbind();
+	}
+
 	if (gPipeline.hasRenderBatches(LLRenderPass::PASS_INVISI_SHINY))
 	{
 		beginShiny(true);
diff --git a/indra/newview/lldrawpoolsimple.cpp b/indra/newview/lldrawpoolsimple.cpp
index 5dbb27cabb..224f149c6b 100644
--- a/indra/newview/lldrawpoolsimple.cpp
+++ b/indra/newview/lldrawpoolsimple.cpp
@@ -49,6 +49,8 @@ void LLDrawPoolGlow::beginPostDeferredPass(S32 pass)
 	gDeferredFullbrightProgram.bind();
 }
 
+static LLFastTimer::DeclareTimer FTM_RENDER_GLOW_PUSH("Glow Push");
+
 void LLDrawPoolGlow::renderPostDeferred(S32 pass)
 {
 	LLFastTimer t(FTM_RENDER_GLOW);
@@ -62,7 +64,11 @@ void LLDrawPoolGlow::renderPostDeferred(S32 pass)
 	
 	LLGLDepthTest depth(GL_TRUE, GL_FALSE);
 	gGL.setColorMask(false, true);
-	pushBatches(LLRenderPass::PASS_GLOW, getVertexDataMask() | LLVertexBuffer::MAP_TEXTURE_INDEX, TRUE, TRUE);
+
+	{
+		LLFastTimer t(FTM_RENDER_GLOW_PUSH);
+		pushBatches(LLRenderPass::PASS_GLOW, getVertexDataMask() | LLVertexBuffer::MAP_TEXTURE_INDEX, TRUE, TRUE);
+	}
 	
 	gGL.setColorMask(true, false);
 	gGL.setSceneBlendType(LLRender::BT_ALPHA);	
@@ -374,10 +380,14 @@ void LLDrawPoolFullbright::endRenderPass(S32 pass)
 	LLFastTimer t(FTM_RENDER_FULLBRIGHT);
 	LLRenderPass::endRenderPass(pass);
 
+	stop_glerror();
+
 	if (mVertexShaderLevel > 0)
 	{
 		fullbright_shader->unbind();
 	}
+
+	stop_glerror();
 }
 
 void LLDrawPoolFullbright::render(S32 pass)
@@ -385,6 +395,8 @@ void LLDrawPoolFullbright::render(S32 pass)
 	LLFastTimer t(FTM_RENDER_FULLBRIGHT);
 	gGL.setSceneBlendType(LLRender::BT_ALPHA);
 
+	stop_glerror();
+
 	if (mVertexShaderLevel > 0)
 	{
 		fullbright_shader->bind();
@@ -398,6 +410,8 @@ void LLDrawPoolFullbright::render(S32 pass)
 		U32 fullbright_mask = LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_TEXCOORD0 | LLVertexBuffer::MAP_COLOR;
 		renderTexture(LLRenderPass::PASS_FULLBRIGHT, fullbright_mask);
 	}
+
+	stop_glerror();
 }
 
 S32 LLDrawPoolFullbright::getNumPasses()
diff --git a/indra/newview/lldrawpoolsky.cpp b/indra/newview/lldrawpoolsky.cpp
index 030d6e1110..efffb2df9e 100644
--- a/indra/newview/lldrawpoolsky.cpp
+++ b/indra/newview/lldrawpoolsky.cpp
@@ -82,6 +82,10 @@ void LLDrawPoolSky::render(S32 pass)
 		mShader = &gObjectFullbrightWaterProgram;
 		mShader->bind();
 	}
+	else if (LLGLSLShader::sNoFixedFunction)
+	{ //just use the UI shader (generic single texture no lighting)
+		gUIProgram.bind();
+	}
 	else
 	{
 		// don't use shaders!
@@ -139,6 +143,7 @@ void LLDrawPoolSky::renderSkyCubeFace(U8 side)
 
 	if (LLSkyTex::doInterpolate())
 	{
+		
 		LLGLEnable blend(GL_BLEND);
 		mSkyTex[side].bindTexture(FALSE);
 		glColor4f(1, 1, 1, LLSkyTex::getInterpVal()); // lighting is disabled
diff --git a/indra/newview/lldrawpooltree.cpp b/indra/newview/lldrawpooltree.cpp
index 81c796b146..429e06b227 100644
--- a/indra/newview/lldrawpooltree.cpp
+++ b/indra/newview/lldrawpooltree.cpp
@@ -73,7 +73,7 @@ void LLDrawPoolTree::beginRenderPass(S32 pass)
 		shader = &gObjectSimpleNonIndexedProgram;
 	}
 
-	if (gPipeline.canUseWindLightShadersOnObjects())
+	if (gPipeline.canUseVertexShaders())
 	{
 		shader->bind();
 	}
diff --git a/indra/newview/lldrawpoolwlsky.cpp b/indra/newview/lldrawpoolwlsky.cpp
index bf79c2100c..f9fd501072 100644
--- a/indra/newview/lldrawpoolwlsky.cpp
+++ b/indra/newview/lldrawpoolwlsky.cpp
@@ -189,16 +189,31 @@ void LLDrawPoolWLSky::renderStars(void) const
 	glRotatef(gFrameTimeSeconds*0.01f, 0.f, 0.f, 1.f);
 	// gl_FragColor.rgb = gl_Color.rgb;
 	// gl_FragColor.a = gl_Color.a * star_alpha.a;
-	gGL.getTexUnit(0)->setTextureColorBlend(LLTexUnit::TBO_MULT, LLTexUnit::TBS_TEX_COLOR, LLTexUnit::TBS_VERT_COLOR);
-	gGL.getTexUnit(0)->setTextureAlphaBlend(LLTexUnit::TBO_MULT_X2, LLTexUnit::TBS_CONST_ALPHA, LLTexUnit::TBS_TEX_ALPHA);
-	glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, star_alpha.mV);
+	if (LLGLSLShader::sNoFixedFunction)
+	{
+		gCustomAlphaProgram.bind();
+		gCustomAlphaProgram.uniform1f("custom_alpha", star_alpha.mV[3]);
+	}
+	else
+	{
+		gGL.getTexUnit(0)->setTextureColorBlend(LLTexUnit::TBO_MULT, LLTexUnit::TBS_TEX_COLOR, LLTexUnit::TBS_VERT_COLOR);
+		gGL.getTexUnit(0)->setTextureAlphaBlend(LLTexUnit::TBO_MULT_X2, LLTexUnit::TBS_CONST_ALPHA, LLTexUnit::TBS_TEX_ALPHA);
+		glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, star_alpha.mV);
+	}
 
 	gSky.mVOWLSkyp->drawStars();
 
 	gGL.popMatrix();
-	
-	// and disable the combiner states
-	gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT);
+
+	if (LLGLSLShader::sNoFixedFunction)
+	{
+		gCustomAlphaProgram.unbind();
+	}
+	else
+	{
+		// and disable the combiner states
+		gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT);
+	}
 }
 
 void LLDrawPoolWLSky::renderSkyClouds(F32 camHeightLocal) const
@@ -242,6 +257,10 @@ void LLDrawPoolWLSky::renderHeavenlyBodies()
 
 	if (gSky.mVOSkyp->getMoon().getDraw() && face->getGeomCount())
 	{
+		if (gPipeline.canUseVertexShaders())
+		{
+			gUIProgram.bind();
+		}
 		// *NOTE: even though we already bound this texture above for the
 		// stars register combiners, we bind again here for defensive reasons,
 		// since LLImageGL::bind detects that it's a noop, and optimizes it out.
@@ -257,6 +276,11 @@ void LLDrawPoolWLSky::renderHeavenlyBodies()
 		
 		LLFacePool::LLOverrideFaceColor color_override(this, color);
 		face->renderIndexed();
+
+		if (gPipeline.canUseVertexShaders())
+		{
+			gUIProgram.unbind();
+		}
 	}
 }
 
diff --git a/indra/newview/llface.cpp b/indra/newview/llface.cpp
index b6566fcbd0..432e61f6d8 100644
--- a/indra/newview/llface.cpp
+++ b/indra/newview/llface.cpp
@@ -1051,6 +1051,13 @@ bool LLFace::canRenderAsMask()
 
 
 static LLFastTimer::DeclareTimer FTM_FACE_GET_GEOM("Face Geom");
+static LLFastTimer::DeclareTimer FTM_FACE_GEOM_POSITION("Position");
+static LLFastTimer::DeclareTimer FTM_FACE_GEOM_NORMAL("Normal");
+static LLFastTimer::DeclareTimer FTM_FACE_GEOM_TEXTURE("Texture");
+static LLFastTimer::DeclareTimer FTM_FACE_GEOM_COLOR("Color");
+static LLFastTimer::DeclareTimer FTM_FACE_GEOM_WEIGHTS("Weights");
+static LLFastTimer::DeclareTimer FTM_FACE_GEOM_BINORMAL("Binormal");
+static LLFastTimer::DeclareTimer FTM_FACE_GEOM_INDEX("Index");
 
 BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 							   const S32 &f,
@@ -1064,6 +1071,8 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 	S32 num_vertices = (S32)vf.mNumVertices;
 	S32 num_indices = (S32) vf.mNumIndices;
 	
+	bool map_range = gGLManager.mHasMapBufferRange || gGLManager.mHasFlushBufferRange;
+
 	if (mVertexBuffer.notNull())
 	{
 		if (num_indices + (S32) mIndicesIndex > mVertexBuffer->getNumIndices())
@@ -1182,7 +1191,8 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 	// INDICES
 	if (full_rebuild)
 	{
-		mVertexBuffer->getIndexStrider(indicesp, mIndicesIndex, mIndicesCount, true);
+		LLFastTimer t(FTM_FACE_GEOM_INDEX);
+		mVertexBuffer->getIndexStrider(indicesp, mIndicesIndex, mIndicesCount, map_range);
 
 		__m128i* dst = (__m128i*) indicesp.get();
 		__m128i* src = (__m128i*) vf.mIndices;
@@ -1201,7 +1211,10 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 			indicesp[i] = vf.mIndices[i]+index_offset;
 		}
 
-		mVertexBuffer->setBuffer(0);
+		if (map_range)
+		{
+			mVertexBuffer->setBuffer(0);
+		}
 	}
 	
 	LLMatrix4a mat_normal;
@@ -1215,6 +1228,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 
 	if (rebuild_tcoord)
 	{
+		LLFastTimer t(FTM_FACE_GEOM_TEXTURE);
 		bool do_xform;
 			
 		if (tep)
@@ -1422,11 +1436,14 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 				}
 			}
 
-			mVertexBuffer->setBuffer(0);
+			if (map_range)
+			{
+				mVertexBuffer->setBuffer(0);
+			}
 		}
 		else
 		{ //either bump mapped or in atlas, just do the whole expensive loop
-			mVertexBuffer->getTexCoord0Strider(tex_coords, mGeomIndex, mGeomCount, true);
+			mVertexBuffer->getTexCoord0Strider(tex_coords, mGeomIndex, mGeomCount, map_range);
 
 			std::vector<LLVector2> bump_tc;
 		
@@ -1566,12 +1583,14 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 				}
 			}
 
-			mVertexBuffer->setBuffer(0);
-
+			if (map_range)
+			{
+				mVertexBuffer->setBuffer(0);
+			}
 
 			if (do_bump)
 			{
-				mVertexBuffer->getTexCoord1Strider(tex_coords2, mGeomIndex, mGeomCount, true);
+				mVertexBuffer->getTexCoord1Strider(tex_coords2, mGeomIndex, mGeomCount, map_range);
 		
 				for (S32 i = 0; i < num_vertices; i++)
 				{
@@ -1601,14 +1620,20 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 					*tex_coords2++ = tc;
 				}
 
-				mVertexBuffer->setBuffer(0);
+				if (map_range)
+				{
+					mVertexBuffer->setBuffer(0);
+				}
 			}
 		}
 	}
 
 	if (rebuild_pos)
 	{
-		mVertexBuffer->getVertexStrider(vert, mGeomIndex, mGeomCount, true);
+		LLFastTimer t(FTM_FACE_GEOM_POSITION);
+		llassert(num_vertices > 0);
+		
+		mVertexBuffer->getVertexStrider(vert, mGeomIndex, mGeomCount, map_range);
 		vertices = (LLVector4a*) vert.get();
 	
 		LLMatrix4a mat_vert;
@@ -1636,13 +1661,25 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 			index_dst += 4;
 		}
 		while (index_dst < index_end);
-
-		mVertexBuffer->setBuffer(0);
+		
+		S32 aligned_pad_vertices = mGeomCount - num_vertices;
+		LLVector4a* last_vec = end - 1;
+		while (aligned_pad_vertices > 0)
+		{
+			--aligned_pad_vertices;
+			*dst++ = *last_vec;
+		}
+		
+		if (map_range)
+		{
+			mVertexBuffer->setBuffer(0);
+		}
 	}
 		
 	if (rebuild_normal)
 	{
-		mVertexBuffer->getNormalStrider(norm, mGeomIndex, mGeomCount, true);
+		LLFastTimer t(FTM_FACE_GEOM_NORMAL);
+		mVertexBuffer->getNormalStrider(norm, mGeomIndex, mGeomCount, map_range);
 		normals = (LLVector4a*) norm.get();
 	
 		for (S32 i = 0; i < num_vertices; i++)
@@ -1653,12 +1690,16 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 			normals[i] = normal;
 		}
 
-		mVertexBuffer->setBuffer(0);
+		if (map_range)
+		{
+			mVertexBuffer->setBuffer(0);
+		}
 	}
 		
 	if (rebuild_binormal)
 	{
-		mVertexBuffer->getBinormalStrider(binorm, mGeomIndex, mGeomCount, true);
+		LLFastTimer t(FTM_FACE_GEOM_BINORMAL);
+		mVertexBuffer->getBinormalStrider(binorm, mGeomIndex, mGeomCount, map_range);
 		binormals = (LLVector4a*) binorm.get();
 		
 		for (S32 i = 0; i < num_vertices; i++)
@@ -1669,20 +1710,28 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 			binormals[i] = binormal;
 		}
 
-		mVertexBuffer->setBuffer(0);
+		if (map_range)
+		{
+			mVertexBuffer->setBuffer(0);
+		}
 	}
 	
 	if (rebuild_weights && vf.mWeights)
 	{
-		mVertexBuffer->getWeight4Strider(wght, mGeomIndex, mGeomCount, true);
+		LLFastTimer t(FTM_FACE_GEOM_WEIGHTS);
+		mVertexBuffer->getWeight4Strider(wght, mGeomIndex, mGeomCount, map_range);
 		weights = (LLVector4a*) wght.get();
 		LLVector4a::memcpyNonAliased16((F32*) weights, (F32*) vf.mWeights, num_vertices*4*sizeof(F32));
-		mVertexBuffer->setBuffer(0);
+		if (map_range)
+		{
+			mVertexBuffer->setBuffer(0);
+		}
 	}
 
 	if (rebuild_color)
 	{
-		mVertexBuffer->getColorStrider(colors, mGeomIndex, mGeomCount, true);
+		LLFastTimer t(FTM_FACE_GEOM_COLOR);
+		mVertexBuffer->getColorStrider(colors, mGeomIndex, mGeomCount, map_range);
 
 		LLVector4a src;
 
@@ -1703,7 +1752,10 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 			dst[i] = src;
 		}
 
-		mVertexBuffer->setBuffer(0);
+		if (map_range)
+		{
+			mVertexBuffer->setBuffer(0);
+		}
 	}
 
 	if (rebuild_tcoord)
diff --git a/indra/newview/llfeaturemanager.cpp b/indra/newview/llfeaturemanager.cpp
index 83844048d1..0ea0e41dfa 100644
--- a/indra/newview/llfeaturemanager.cpp
+++ b/indra/newview/llfeaturemanager.cpp
@@ -769,6 +769,10 @@ void LLFeatureManager::applyBaseMasks()
 	{
 		maskFeatures("TexUnit8orLess");
 	}
+	if (gGLManager.mHasMapBufferRange)
+	{
+		maskFeatures("MapBufferRange");
+	}
 
 	// now mask by gpu string
 	// Replaces ' ' with '_' in mGPUString to deal with inability for parser to handle spaces
diff --git a/indra/newview/llhudnametag.cpp b/indra/newview/llhudnametag.cpp
index 82e1f2dfb5..482294c8a6 100644
--- a/indra/newview/llhudnametag.cpp
+++ b/indra/newview/llhudnametag.cpp
@@ -477,7 +477,7 @@ void LLHUDNameTag::renderText(BOOL for_select)
 		
 	// Render label
 	{
-		gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT);
+		//gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT);
 
 		for(std::vector<LLHUDTextSegment>::iterator segment_iter = mLabelSegments.begin();
 			segment_iter != mLabelSegments.end(); ++segment_iter )
diff --git a/indra/newview/llspatialpartition.cpp b/indra/newview/llspatialpartition.cpp
index f99afa923b..e23b431457 100644
--- a/indra/newview/llspatialpartition.cpp
+++ b/indra/newview/llspatialpartition.cpp
@@ -47,6 +47,7 @@
 #include "llvoavatar.h"
 #include "llvolumemgr.h"
 #include "lltextureatlas.h"
+#include "llglslshader.h"
 
 static LLFastTimer::DeclareTimer FTM_FRUSTUM_CULL("Frustum Culling");
 static LLFastTimer::DeclareTimer FTM_CULL_REBOUND("Cull Rebound");
@@ -3176,6 +3177,8 @@ void renderPhysicsShape(LLDrawable* drawable, LLVOVolume* volume)
 				glColor4fv(line_color.mV);
 				LLVertexBuffer::unbind();
 
+				llassert(!LLGLSLShader::sNoFixedFunction || LLGLSLShader::sCurBoundShader != 0);
+
 				glVertexPointer(3, GL_FLOAT, 16, phys_volume->mHullPoints);
 				glDrawElements(GL_TRIANGLES, phys_volume->mNumHullIndices, GL_UNSIGNED_SHORT, phys_volume->mHullIndices);
 				
@@ -3257,7 +3260,7 @@ void renderPhysicsShape(LLDrawable* drawable, LLVOVolume* volume)
 		if (phys_volume->mHullPoints && phys_volume->mHullIndices)
 		{
 			glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
-			
+			llassert(!LLGLSLShader::sNoFixedFunction || LLGLSLShader::sCurBoundShader != 0);
 			LLVertexBuffer::unbind();
 			glVertexPointer(3, GL_FLOAT, 16, phys_volume->mHullPoints);
 			glColor4fv(line_color.mV);
diff --git a/indra/newview/lltexlayer.cpp b/indra/newview/lltexlayer.cpp
index bd41aa64f0..e8abee2fb7 100644
--- a/indra/newview/lltexlayer.cpp
+++ b/indra/newview/lltexlayer.cpp
@@ -45,6 +45,7 @@
 #include "llagentwearables.h"
 #include "llwearable.h"
 #include "llviewercontrol.h"
+#include "llviewershadermgr.h"
 #include "llviewervisualparam.h"
 
 //#include "../tools/imdebug/imdebug.h"
@@ -294,11 +295,17 @@ BOOL LLTexLayerSetBuffer::render()
 	
 	BOOL success = TRUE;
 
+	//hack to use fixed function when updating tex layer sets
+	bool no_ff = LLGLSLShader::sNoFixedFunction;
+	LLGLSLShader::sNoFixedFunction = false;
+	
 	// Composite the color data
 	LLGLSUIDefault gls_ui;
 	success &= mTexLayerSet->render( mOrigin.mX, mOrigin.mY, mFullWidth, mFullHeight );
 	gGL.flush();
 
+	LLGLSLShader::sNoFixedFunction = no_ff;
+	
 	if(upload_now)
 	{
 		if (!success)
diff --git a/indra/newview/llviewerdisplay.cpp b/indra/newview/llviewerdisplay.cpp
index 911fc8e1ed..39053fe9e4 100644
--- a/indra/newview/llviewerdisplay.cpp
+++ b/indra/newview/llviewerdisplay.cpp
@@ -616,6 +616,7 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 				&& LLFeatureManager::getInstance()->isFeatureAvailable("UseOcclusion") 
 				&& gSavedSettings.getBOOL("UseOcclusion") 
 				&& gGLManager.mHasOcclusionQuery) ? 2 : 0;
+		LLTexUnit::sWhiteTexture = LLViewerFetchedTexture::sWhiteImagep->getTexName();
 
 		/*if (LLPipeline::sUseOcclusion && LLPipeline::sRenderDeferred)
 		{ //force occlusion on for all render types if doing deferred render (tighter shadow frustum)
@@ -709,6 +710,9 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 			glClear(GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
 		}
 
+		LLGLState::checkStates();
+		LLGLState::checkClientArrays();
+
 		//if (!for_snapshot)
 		{
 			LLMemType mt_gw(LLMemType::MTYPE_DISPLAY_GEN_REFLECTION);
@@ -717,6 +721,9 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 			gPipeline.generateHighlight(*LLViewerCamera::getInstance());
 		}
 
+		LLGLState::checkStates();
+		LLGLState::checkClientArrays();
+
 		//////////////////////////////////////
 		//
 		// Update images, using the image stats generated during object update/culling
@@ -743,6 +750,10 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 			LLImageGL::deleteDeadTextures();
 			stop_glerror();
 		}
+
+		LLGLState::checkStates();
+		LLGLState::checkClientArrays();
+
 		///////////////////////////////////
 		//
 		// StateSort
@@ -770,6 +781,9 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 			}
 		}
 
+		LLGLState::checkStates();
+		LLGLState::checkClientArrays();
+
 		LLPipeline::sUseOcclusion = occlusion;
 
 		{
@@ -828,6 +842,9 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 		LLPipeline::sUnderWaterRender = LLViewerCamera::getInstance()->cameraUnderWater() ? TRUE : FALSE;
 		LLPipeline::refreshRenderDeferred();
 		
+		LLGLState::checkStates();
+		LLGLState::checkClientArrays();
+
 		stop_glerror();
 
 		if (to_texture)
@@ -878,6 +895,14 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 			stop_glerror();
 		}
 
+		for (U32 i = 0; i < gGLManager.mNumTextureImageUnits; i++)
+		{ //dummy cleanup of any currently bound textures
+			if (gGL.getTexUnit(i)->getCurrType() != LLTexUnit::TT_NONE)
+			{
+				gGL.getTexUnit(i)->unbind(gGL.getTexUnit(i)->getCurrType());
+				gGL.getTexUnit(i)->disable();
+			}
+		}
 		LLAppViewer::instance()->pingMainloopTimeout("Display:RenderFlush");		
 		
 		if (to_texture)
@@ -1339,7 +1364,7 @@ void render_ui_2d()
 	}
 
 	stop_glerror();
-	gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT);
+	//gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT);
 
 	// render outline for HUD
 	if (isAgentAvatarValid() && gAgentCamera.mHUDCurZoom < 0.98f)
diff --git a/indra/newview/llviewerobjectlist.cpp b/indra/newview/llviewerobjectlist.cpp
index 9f882ee732..48ccc7d035 100644
--- a/indra/newview/llviewerobjectlist.cpp
+++ b/indra/newview/llviewerobjectlist.cpp
@@ -1339,18 +1339,29 @@ void LLViewerObjectList::cleanDeadObjects(BOOL use_timer)
 
 	S32 num_removed = 0;
 	LLViewerObject *objectp;
-	for (vobj_list_t::iterator iter = mObjects.begin(); iter != mObjects.end(); )
+	
+	vobj_list_t::reverse_iterator target = mObjects.rbegin();
+
+	vobj_list_t::iterator iter = mObjects.begin();
+	for ( ; iter != mObjects.end(); )
 	{
-		// Scan for all of the dead objects and remove any "global" references to them.
+		// Scan for all of the dead objects and put them all on the end of the list with no ref count ops
 		objectp = *iter;
+		if (objectp == NULL)
+		{ //we caught up to the dead tail
+			break;
+		}
+
 		if (objectp->isDead())
 		{
-			iter = mObjects.erase(iter);
+			LLPointer<LLViewerObject>::swap(*iter, *target);
+			*target = NULL;
+			++target;
 			num_removed++;
 
-			if (num_removed == mNumDeadObjects)
+			if (num_removed == mNumDeadObjects || iter->isNull())
 			{
-				// We've cleaned up all of the dead objects.
+				// We've cleaned up all of the dead objects or caught up to the dead tail
 				break;
 			}
 		}
@@ -1360,6 +1371,11 @@ void LLViewerObjectList::cleanDeadObjects(BOOL use_timer)
 		}
 	}
 
+	llassert(num_removed == mNumDeadObjects);
+
+	//erase as a block
+	mObjects.erase(mObjects.begin()+(mObjects.size()-mNumDeadObjects), mObjects.end());
+
 	// We've cleaned the global object list, now let's do some paranoia testing on objects
 	// before blowing away the dead list.
 	mDeadObjects.clear();
diff --git a/indra/newview/llviewershadermgr.cpp b/indra/newview/llviewershadermgr.cpp
index e473901609..62d83b516f 100644
--- a/indra/newview/llviewershadermgr.cpp
+++ b/indra/newview/llviewershadermgr.cpp
@@ -61,6 +61,12 @@ BOOL				LLViewerShaderMgr::sInitialized = FALSE;
 
 LLVector4			gShinyOrigin;
 
+//utility shaders
+LLGLSLShader	gOcclusionProgram;
+LLGLSLShader	gCustomAlphaProgram;
+LLGLSLShader	gGlowCombineProgram;
+LLGLSLShader	gTwoTextureAddProgram;
+
 //object shaders
 LLGLSLShader		gObjectSimpleProgram;
 LLGLSLShader		gObjectSimpleWaterProgram;
@@ -70,6 +76,7 @@ LLGLSLShader		gObjectFullbrightShinyProgram;
 LLGLSLShader		gObjectFullbrightShinyWaterProgram;
 LLGLSLShader		gObjectShinyProgram;
 LLGLSLShader		gObjectShinyWaterProgram;
+LLGLSLShader		gObjectBumpProgram;
 
 LLGLSLShader		gObjectSimpleNonIndexedProgram;
 LLGLSLShader		gObjectSimpleNonIndexedWaterProgram;
@@ -166,14 +173,24 @@ LLViewerShaderMgr::LLViewerShaderMgr() :
 	mShaderList.push_back(&gWLCloudProgram);
 	mShaderList.push_back(&gAvatarProgram);
 	mShaderList.push_back(&gObjectShinyProgram);
+	mShaderList.push_back(&gObjectShinyNonIndexedProgram);
 	mShaderList.push_back(&gWaterProgram);
 	mShaderList.push_back(&gAvatarEyeballProgram); 
 	mShaderList.push_back(&gObjectSimpleProgram);
+	mShaderList.push_back(&gObjectBumpProgram);
+	mShaderList.push_back(&gUIProgram);
+	mShaderList.push_back(&gCustomAlphaProgram);
+	mShaderList.push_back(&gGlowCombineProgram);
+	mShaderList.push_back(&gTwoTextureAddProgram);
+	mShaderList.push_back(&gSolidColorProgram);
+	mShaderList.push_back(&gOcclusionProgram);
 	mShaderList.push_back(&gObjectFullbrightProgram);
 	mShaderList.push_back(&gObjectFullbrightShinyProgram);
 	mShaderList.push_back(&gObjectFullbrightShinyWaterProgram);
 	mShaderList.push_back(&gObjectSimpleNonIndexedProgram);
+	mShaderList.push_back(&gObjectSimpleNonIndexedWaterProgram);
 	mShaderList.push_back(&gObjectFullbrightNonIndexedProgram);
+	mShaderList.push_back(&gObjectFullbrightNonIndexedWaterProgram);
 	mShaderList.push_back(&gObjectFullbrightShinyNonIndexedProgram);
 	mShaderList.push_back(&gObjectFullbrightShinyNonIndexedWaterProgram);
 	mShaderList.push_back(&gSkinnedObjectSimpleProgram);
@@ -190,6 +207,7 @@ LLViewerShaderMgr::LLViewerShaderMgr() :
 	mShaderList.push_back(&gObjectFullbrightWaterProgram);
 	mShaderList.push_back(&gAvatarWaterProgram);
 	mShaderList.push_back(&gObjectShinyWaterProgram);
+	mShaderList.push_back(&gObjectShinyNonIndexedWaterProgram);
 	mShaderList.push_back(&gUnderWaterProgram);
 	mShaderList.push_back(&gDeferredSunProgram);
 	mShaderList.push_back(&gDeferredBlurLightProgram);
@@ -410,9 +428,13 @@ void LLViewerShaderMgr::setShaders()
 	}
 	mMaxAvatarShaderLevel = 0;
 
+	LLGLSLShader::sNoFixedFunction = false;
 	if (LLFeatureManager::getInstance()->isFeatureAvailable("VertexShaderEnable") 
 		&& gSavedSettings.getBOOL("VertexShaderEnable"))
 	{
+		//using shaders, disable fixed function
+		LLGLSLShader::sNoFixedFunction = true;
+
 		S32 light_class = 2;
 		S32 env_class = 2;
 		S32 obj_class = 2;
@@ -554,6 +576,7 @@ void LLViewerShaderMgr::setShaders()
 		}
 		else
 		{
+			LLGLSLShader::sNoFixedFunction = false;
 			gPipeline.mVertexShadersEnabled = FALSE;
 			gPipeline.mVertexShadersLoaded = 0;
 			mVertexShaderLevel[SHADER_LIGHTING] = 0;
@@ -568,6 +591,7 @@ void LLViewerShaderMgr::setShaders()
 	}
 	else
 	{
+		LLGLSLShader::sNoFixedFunction = false;
 		gPipeline.mVertexShadersEnabled = FALSE;
 		gPipeline.mVertexShadersLoaded = 0;
 		mVertexShaderLevel[SHADER_LIGHTING] = 0;
@@ -591,7 +615,15 @@ void LLViewerShaderMgr::setShaders()
 
 void LLViewerShaderMgr::unloadShaders()
 {
+	gOcclusionProgram.unload();
+	gUIProgram.unload();
+	gCustomAlphaProgram.unload();
+	gGlowCombineProgram.unload();
+	gTwoTextureAddProgram.unload();
+	gSolidColorProgram.unload();
+
 	gObjectSimpleProgram.unload();
+	gObjectBumpProgram.unload();
 	gObjectSimpleWaterProgram.unload();
 	gObjectFullbrightProgram.unload();
 	gObjectFullbrightWaterProgram.unload();
@@ -1581,6 +1613,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectFullbrightShinyWaterProgram.unload();
 		gObjectShinyWaterProgram.unload();
 		gObjectSimpleProgram.unload();
+		gObjectBumpProgram.unload();
 		gObjectSimpleWaterProgram.unload();
 		gObjectFullbrightProgram.unload();
 		gObjectFullbrightWaterProgram.unload();
@@ -1753,6 +1786,22 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 	
 	if (success)
 	{
+		gObjectBumpProgram.mName = "Bump Shader";
+		/*gObjectBumpProgram.mFeatures.calculatesLighting = true;
+		gObjectBumpProgram.mFeatures.calculatesAtmospherics = true;
+		gObjectBumpProgram.mFeatures.hasGamma = true;
+		gObjectBumpProgram.mFeatures.hasAtmospherics = true;
+		gObjectBumpProgram.mFeatures.hasLighting = true;
+		gObjectBumpProgram.mFeatures.mIndexedTextureChannels = 0;*/
+		gObjectBumpProgram.mShaderFiles.clear();
+		gObjectBumpProgram.mShaderFiles.push_back(make_pair("objects/bumpV.glsl", GL_VERTEX_SHADER_ARB));
+		gObjectBumpProgram.mShaderFiles.push_back(make_pair("objects/bumpF.glsl", GL_FRAGMENT_SHADER_ARB));
+		gObjectBumpProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		success = gObjectBumpProgram.createShader(NULL, NULL);
+	}
+	
+	if (success)
+	{
 		gObjectSimpleWaterProgram.mName = "Simple Water Shader";
 		gObjectSimpleWaterProgram.mFeatures.calculatesLighting = true;
 		gObjectSimpleWaterProgram.mFeatures.calculatesAtmospherics = true;
@@ -2135,6 +2184,85 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 		success = gHighlightProgram.createShader(NULL, NULL);
 	}
 
+	if (success)
+	{
+		gUIProgram.mName = "UI Shader";
+		gUIProgram.mShaderFiles.clear();
+		gUIProgram.mShaderFiles.push_back(make_pair("interface/uiV.glsl", GL_VERTEX_SHADER_ARB));
+		gUIProgram.mShaderFiles.push_back(make_pair("interface/uiF.glsl", GL_FRAGMENT_SHADER_ARB));
+		gUIProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];
+		success = gUIProgram.createShader(NULL, NULL);
+	}
+
+	if (success)
+	{
+		gCustomAlphaProgram.mName = "Custom Alpha Shader";
+		gCustomAlphaProgram.mShaderFiles.clear();
+		gCustomAlphaProgram.mShaderFiles.push_back(make_pair("interface/customalphaV.glsl", GL_VERTEX_SHADER_ARB));
+		gCustomAlphaProgram.mShaderFiles.push_back(make_pair("interface/customalphaF.glsl", GL_FRAGMENT_SHADER_ARB));
+		gCustomAlphaProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];
+		success = gCustomAlphaProgram.createShader(NULL, NULL);
+	}
+
+	if (success)
+	{
+		gGlowCombineProgram.mName = "Glow Combine Shader";
+		gGlowCombineProgram.mShaderFiles.clear();
+		gGlowCombineProgram.mShaderFiles.push_back(make_pair("interface/glowcombineV.glsl", GL_VERTEX_SHADER_ARB));
+		gGlowCombineProgram.mShaderFiles.push_back(make_pair("interface/glowcombineF.glsl", GL_FRAGMENT_SHADER_ARB));
+		gGlowCombineProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];
+		success = gGlowCombineProgram.createShader(NULL, NULL);
+		if (success)
+		{
+			gGlowCombineProgram.bind();
+			gGlowCombineProgram.uniform1i("glowMap", 0);
+			gGlowCombineProgram.uniform1i("screenMap", 1);
+			gGlowCombineProgram.unbind();
+		}
+	}
+
+	if (success)
+	{
+		gTwoTextureAddProgram.mName = "Two Texture Add Shader";
+		gTwoTextureAddProgram.mShaderFiles.clear();
+		gTwoTextureAddProgram.mShaderFiles.push_back(make_pair("interface/twotextureaddV.glsl", GL_VERTEX_SHADER_ARB));
+		gTwoTextureAddProgram.mShaderFiles.push_back(make_pair("interface/twotextureaddF.glsl", GL_FRAGMENT_SHADER_ARB));
+		gTwoTextureAddProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];
+		success = gTwoTextureAddProgram.createShader(NULL, NULL);
+		if (success)
+		{
+			gTwoTextureAddProgram.bind();
+			gTwoTextureAddProgram.uniform1i("tex0", 0);
+			gTwoTextureAddProgram.uniform1i("tex1", 1);
+		}
+	}
+
+	if (success)
+	{
+		gSolidColorProgram.mName = "Solid Color Shader";
+		gSolidColorProgram.mShaderFiles.clear();
+		gSolidColorProgram.mShaderFiles.push_back(make_pair("interface/solidcolorV.glsl", GL_VERTEX_SHADER_ARB));
+		gSolidColorProgram.mShaderFiles.push_back(make_pair("interface/solidcolorF.glsl", GL_FRAGMENT_SHADER_ARB));
+		gSolidColorProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];
+		success = gSolidColorProgram.createShader(NULL, NULL);
+		if (success)
+		{
+			gSolidColorProgram.bind();
+			gSolidColorProgram.uniform1i("tex0", 0);
+			gSolidColorProgram.unbind();
+		}
+	}
+
+	if (success)
+	{
+		gOcclusionProgram.mName = "Occlusion Shader";
+		gOcclusionProgram.mShaderFiles.clear();
+		gOcclusionProgram.mShaderFiles.push_back(make_pair("interface/occlusionV.glsl", GL_VERTEX_SHADER_ARB));
+		gOcclusionProgram.mShaderFiles.push_back(make_pair("interface/occlusionF.glsl", GL_FRAGMENT_SHADER_ARB));
+		gOcclusionProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];
+		success = gOcclusionProgram.createShader(NULL, NULL);
+	}
+
 	if( !success )
 	{
 		mVertexShaderLevel[SHADER_INTERFACE] = 0;
diff --git a/indra/newview/llviewershadermgr.h b/indra/newview/llviewershadermgr.h
index efef9ec5b2..93a0ecc4f0 100644
--- a/indra/newview/llviewershadermgr.h
+++ b/indra/newview/llviewershadermgr.h
@@ -287,6 +287,14 @@ inline bool operator != (LLViewerShaderMgr::shader_iter const & a, LLViewerShade
 
 extern LLVector4			gShinyOrigin;
 
+//utility shaders
+extern LLGLSLShader			gOcclusionProgram;
+extern LLGLSLShader			gCustomAlphaProgram;
+extern LLGLSLShader			gGlowCombineProgram;
+
+//output tex0[tc0] + tex1[tc1]
+extern LLGLSLShader			gTwoTextureAddProgram;
+								
 //object shaders
 extern LLGLSLShader			gObjectSimpleProgram;
 extern LLGLSLShader			gObjectSimpleWaterProgram;
@@ -296,6 +304,7 @@ extern LLGLSLShader			gObjectFullbrightProgram;
 extern LLGLSLShader			gObjectFullbrightWaterProgram;
 extern LLGLSLShader			gObjectFullbrightNonIndexedProgram;
 extern LLGLSLShader			gObjectFullbrightNonIndexedWaterProgram;
+extern LLGLSLShader			gObjectBumpProgram;
 
 extern LLGLSLShader			gObjectSimpleLODProgram;
 extern LLGLSLShader			gObjectFullbrightLODProgram;
diff --git a/indra/newview/llviewertexture.cpp b/indra/newview/llviewertexture.cpp
index 4da0f80a00..5fcc57bc91 100644
--- a/indra/newview/llviewertexture.cpp
+++ b/indra/newview/llviewertexture.cpp
@@ -599,7 +599,7 @@ bool LLViewerTexture::bindDefaultImage(S32 stage)
 	}
 	if (!res && LLViewerTexture::sNullImagep.notNull() && (this != LLViewerTexture::sNullImagep))
 	{
-		res = gGL.getTexUnit(stage)->bind(LLViewerTexture::sNullImagep) ;
+		res = gGL.getTexUnit(stage)->bind(LLViewerTexture::sNullImagep);
 	}
 	if (!res)
 	{
diff --git a/indra/newview/llviewertexturelist.cpp b/indra/newview/llviewertexturelist.cpp
index d24174adea..30ef8b8a29 100644
--- a/indra/newview/llviewertexturelist.cpp
+++ b/indra/newview/llviewertexturelist.cpp
@@ -115,7 +115,7 @@ void LLViewerTextureList::doPreloadImages()
 	
 	// Set the "white" image
 	LLViewerFetchedTexture::sWhiteImagep = LLViewerTextureManager::getFetchedTextureFromFile("white.tga", MIPMAP_NO, LLViewerFetchedTexture::BOOST_UI);
-	
+	LLTexUnit::sWhiteTexture = LLViewerFetchedTexture::sWhiteImagep->getTexName();
 	LLUIImageList* image_list = LLUIImageList::getInstance();
 
 	image_list->initFromFile();
diff --git a/indra/newview/llviewerwindow.cpp b/indra/newview/llviewerwindow.cpp
index c31e1c3ba9..988c4ed1a2 100644
--- a/indra/newview/llviewerwindow.cpp
+++ b/indra/newview/llviewerwindow.cpp
@@ -2302,6 +2302,11 @@ void LLViewerWindow::draw()
 	// Draw all nested UI views.
 	// No translation needed, this view is glued to 0,0
 
+	if (LLGLSLShader::sNoFixedFunction)
+	{
+		gUIProgram.bind();
+	}
+
 	gGL.pushMatrix();
 	LLUI::pushMatrix();
 	{
@@ -2376,6 +2381,11 @@ void LLViewerWindow::draw()
 	LLUI::popMatrix();
 	gGL.popMatrix();
 
+	if (LLGLSLShader::sNoFixedFunction)
+	{
+		gUIProgram.unbind();
+	}
+
 //#if LL_DEBUG
 	LLView::sIsDrawing = FALSE;
 //#endif
diff --git a/indra/newview/llvoicevivox.cpp b/indra/newview/llvoicevivox.cpp
index cd2bbad620..0db0010688 100644
--- a/indra/newview/llvoicevivox.cpp
+++ b/indra/newview/llvoicevivox.cpp
@@ -7049,6 +7049,8 @@ LLVivoxProtocolParser::~LLVivoxProtocolParser()
 		XML_ParserFree(parser);
 }
 
+static LLFastTimer::DeclareTimer FTM_VIVOX_PROCESS("Vivox Process");
+
 // virtual
 LLIOPipe::EStatus LLVivoxProtocolParser::process_impl(
 													  const LLChannelDescriptors& channels,
@@ -7057,6 +7059,7 @@ LLIOPipe::EStatus LLVivoxProtocolParser::process_impl(
 													  LLSD& context,
 													  LLPumpIO* pump)
 {
+	LLFastTimer t(FTM_VIVOX_PROCESS);
 	LLBufferStream istr(channels, buffer.get());
 	std::ostringstream ostr;
 	while (istr.good())
diff --git a/indra/newview/llvotree.cpp b/indra/newview/llvotree.cpp
index 3c7fe708e6..890861df71 100644
--- a/indra/newview/llvotree.cpp
+++ b/indra/newview/llvotree.cpp
@@ -51,6 +51,7 @@
 #include "llspatialpartition.h"
 #include "llnotificationsutil.h"
 #include "raytrace.h"
+#include "llglslshader.h"
 
 extern LLPipeline gPipeline;
 
diff --git a/indra/newview/llvovolume.cpp b/indra/newview/llvovolume.cpp
index e6da8eb89d..4c137d3394 100644
--- a/indra/newview/llvovolume.cpp
+++ b/indra/newview/llvovolume.cpp
@@ -3743,6 +3743,11 @@ bool can_batch_texture(LLFace* facep)
 		return false;
 	}
 
+	if (facep->getTexture() && facep->getTexture()->getPrimaryFormat() == GL_ALPHA)
+	{ //can't batch invisiprims
+		return false;
+	}
+
 	if (facep->isState(LLFace::TEXTURE_ANIM) && facep->getVirtualSize() > MIN_TEX_ANIM_SIZE)
 	{ //texture animation breaks batches
 		return false;
@@ -4361,6 +4366,8 @@ void LLVolumeGeometryManager::rebuildMesh(LLSpatialGroup* group)
 
 		group->mBuilt = 1.f;
 		
+		std::set<LLVertexBuffer*> mapped_buffers;
+
 		for (LLSpatialGroup::element_iter drawable_iter = group->getData().begin(); drawable_iter != group->getData().end(); ++drawable_iter)
 		{
 			LLFastTimer t(FTM_VOLUME_GEOM_PARTIAL);
@@ -4375,35 +4382,31 @@ void LLVolumeGeometryManager::rebuildMesh(LLSpatialGroup* group)
 				for (S32 i = 0; i < drawablep->getNumFaces(); ++i)
 				{
 					LLFace* face = drawablep->getFace(i);
-					if (face && face->getVertexBuffer())
+					if (face)
 					{
-						face->getGeometryVolume(*volume, face->getTEOffset(), 
-							vobj->getRelativeXform(), vobj->getRelativeXformInvTrans(), face->getGeomIndex());
+						LLVertexBuffer* buff = face->getVertexBuffer();
+						if (buff)
+						{
+							face->getGeometryVolume(*volume, face->getTEOffset(), 
+								vobj->getRelativeXform(), vobj->getRelativeXformInvTrans(), face->getGeomIndex());
+
+							if (buff->isLocked())
+							{
+								mapped_buffers.insert(buff);
+							}
+						}
 					}
 				}
-
+				
 				drawablep->clearState(LLDrawable::REBUILD_ALL);
 			}
 		}
 		
-		//unmap all the buffers
-		for (LLSpatialGroup::buffer_map_t::iterator i = group->mBufferMap.begin(); i != group->mBufferMap.end(); ++i)
+		for (std::set<LLVertexBuffer*>::iterator iter = mapped_buffers.begin(); iter != mapped_buffers.end(); ++iter)
 		{
-			LLSpatialGroup::buffer_texture_map_t& map = i->second;
-			for (LLSpatialGroup::buffer_texture_map_t::iterator j = map.begin(); j != map.end(); ++j)
-			{
-				LLSpatialGroup::buffer_list_t& list = j->second;
-				for (LLSpatialGroup::buffer_list_t::iterator k = list.begin(); k != list.end(); ++k)
-				{
-					LLVertexBuffer* buffer = *k;
-					if (buffer->isLocked())
-					{
-						buffer->setBuffer(0);
-					}
-				}
-			}
+			(*iter)->setBuffer(0);
 		}
-		
+
 		// don't forget alpha
 		if(group != NULL && 
 		   !group->mVertexBuffer.isNull() && 
@@ -4713,6 +4716,7 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 			}
 
 			const LLTextureEntry* te = facep->getTextureEntry();
+			tex = facep->getTexture();
 
 			BOOL is_alpha = (facep->getPoolType() == LLDrawPool::POOL_ALPHA) ? TRUE : FALSE;
 		
diff --git a/indra/newview/llvowater.cpp b/indra/newview/llvowater.cpp
index 69ebad61ac..e70ac0a2e7 100644
--- a/indra/newview/llvowater.cpp
+++ b/indra/newview/llvowater.cpp
@@ -282,6 +282,11 @@ void LLVOWater::updateSpatialExtents(LLVector4a &newMin, LLVector4a& newMax)
 
 U32 LLVOWater::getPartitionType() const
 { 
+	if (mIsEdgePatch)
+	{
+		return LLViewerRegion::PARTITION_VOIDWATER;
+	}
+
 	return LLViewerRegion::PARTITION_WATER; 
 }
 
@@ -300,6 +305,7 @@ LLWaterPartition::LLWaterPartition()
 
 LLVoidWaterPartition::LLVoidWaterPartition()
 {
+	mOcclusionEnabled = FALSE;
 	mDrawableType = LLPipeline::RENDER_TYPE_VOIDWATER;
 	mPartitionType = LLViewerRegion::PARTITION_VOIDWATER;
 }
diff --git a/indra/newview/llxmlrpctransaction.cpp b/indra/newview/llxmlrpctransaction.cpp
index 257884d921..bd1d2ed7a7 100644
--- a/indra/newview/llxmlrpctransaction.cpp
+++ b/indra/newview/llxmlrpctransaction.cpp
@@ -394,16 +394,18 @@ bool LLXMLRPCTransaction::Impl::process()
 		}
 	}
 	
-	const F32 MAX_PROCESSING_TIME = 0.05f;
-	LLTimer timer;
+	//const F32 MAX_PROCESSING_TIME = 0.05f;
+	//LLTimer timer;
 
-	while (mCurlRequest->perform() > 0)
+	mCurlRequest->perform();
+
+	/*while (mCurlRequest->perform() > 0)
 	{
 		if (timer.getElapsedTimeF32() >= MAX_PROCESSING_TIME)
 		{
 			return false;
 		}
-	}
+	}*/
 
 	while(1)
 	{
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index e74bf2a620..dfcc7396ba 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -336,10 +336,10 @@ static const U32 gl_cube_face[] =
 void validate_framebuffer_object();
 
 
-void addDeferredAttachments(LLRenderTarget& target)
+bool addDeferredAttachments(LLRenderTarget& target)
 {
-	target.addColorAttachment(GL_RGBA); //specular
-	target.addColorAttachment(GL_RGBA); //normal+z	
+	return target.addColorAttachment(GL_RGBA) && //specular
+			target.addColorAttachment(GL_RGBA); //normal+z	
 }
 
 LLPipeline::LLPipeline() :
@@ -586,18 +586,61 @@ void LLPipeline::allocatePhysicsBuffer()
 
 void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
 {
-	// remember these dimensions
-	mScreenWidth = resX;
-	mScreenHeight = resY;
-	
-	//cap samples at 4 for render targets to avoid out of memory errors
 	U32 samples = gGLManager.getNumFBOFSAASamples(gSavedSettings.getU32("RenderFSAASamples"));
 
 	if (gGLManager.mIsATI)
-	{ //disable multisampling of render targets where ATI is involved
+	{ //ATI doesn't like the way we use multisample texture
 		samples = 0;
 	}
 
+	//try to allocate screen buffers at requested resolution and samples
+	// - on failure, shrink number of samples and try again
+	// - if not multisampled, shrink resolution and try again (favor X resolution over Y)
+	// Make sure to call "releaseScreenBuffers" after each failure to cleanup the partially loaded state
+
+	if (!allocateScreenBuffer(resX, resY, samples))
+	{
+		releaseScreenBuffers();
+		//reduce number of samples 
+		while (samples > 0)
+		{
+			samples /= 2;
+			if (allocateScreenBuffer(resX, resY, samples))
+			{ //success
+				return;
+			}
+			releaseScreenBuffers();
+		}
+
+		//reduce resolution
+		while (resY > 0 && resX > 0)
+		{
+			resY /= 2;
+			if (allocateScreenBuffer(resX, resY, samples))
+			{
+				return;
+			}
+			releaseScreenBuffers();
+
+			resX /= 2;
+			if (allocateScreenBuffer(resX, resY, samples))
+			{
+				return;
+			}
+			releaseScreenBuffers();
+		}
+
+		llwarns << "Unable to allocate screen buffer at any resolution!" << llendl;
+	}
+}
+
+
+bool LLPipeline::allocateScreenBuffer(U32 resX, U32 resY, U32 samples)
+{
+	// remember these dimensions
+	mScreenWidth = resX;
+	mScreenHeight = resY;
+	
 	U32 res_mod = gSavedSettings.getU32("RenderResolutionDivisor");
 
 	if (res_mod > 1 && res_mod < resX && res_mod < resY)
@@ -608,7 +651,10 @@ void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
 
 	if (gSavedSettings.getBOOL("RenderUIBuffer"))
 	{
-		mUIScreen.allocate(resX,resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE);
+		if (!mUIScreen.allocate(resX,resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE))
+		{
+			return false;
+		}
 	}	
 
 	if (LLPipeline::sRenderDeferred)
@@ -618,22 +664,22 @@ void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
 		bool gi = LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_DEFERRED);
 
 		//allocate deferred rendering color buffers
-		mDeferredScreen.allocate(resX, resY, GL_RGBA, TRUE, TRUE, LLTexUnit::TT_RECT_TEXTURE, FALSE, samples);
-		mDeferredDepth.allocate(resX, resY, 0, TRUE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE, samples);
-		addDeferredAttachments(mDeferredScreen);
+		if (!mDeferredScreen.allocate(resX, resY, GL_RGBA, TRUE, TRUE, LLTexUnit::TT_RECT_TEXTURE, FALSE, samples)) return false;
+		if (!mDeferredDepth.allocate(resX, resY, 0, TRUE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE, samples)) return false;
+		if (!addDeferredAttachments(mDeferredScreen)) return false;
 	
-		mScreen.allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE, samples);		
+		if (!mScreen.allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE, samples)) return false;
 		
 #if LL_DARWIN
 		// As of OS X 10.6.7, Apple doesn't support multiple color formats in a single FBO
-		mEdgeMap.allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE);
+		if (!mEdgeMap.allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE)) return false;
 #else
-		mEdgeMap.allocate(resX, resY, GL_ALPHA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE);
+		if (!mEdgeMap.allocate(resX, resY, GL_ALPHA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE)) return false;
 #endif
 
 		if (shadow_detail > 0 || ssao)
 		{ //only need mDeferredLight[0] for shadows OR ssao
-			mDeferredLight[0].allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE);
+			if (!mDeferredLight[0].allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE)) return false;
 		}
 		else
 		{
@@ -642,7 +688,7 @@ void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
 
 		if (ssao)
 		{ //only need mDeferredLight[1] for ssao
-			mDeferredLight[1].allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, false);
+			if (!mDeferredLight[1].allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, false)) return false;
 		}
 		else
 		{
@@ -651,14 +697,14 @@ void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
 
 		if (gi)
 		{ //only need mDeferredLight[2] and mGIMapPost for gi
-			mDeferredLight[2].allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, false);
+			if (!mDeferredLight[2].allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, false)) return false;
 			for (U32 i = 0; i < 2; i++)
 			{
 #if LL_DARWIN
 				// As of OS X 10.6.7, Apple doesn't support multiple color formats in a single FBO
-				mGIMapPost[i].allocate(resX,resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE);
+				if (!mGIMapPost[i].allocate(resX,resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE)) return false;
 #else
-				mGIMapPost[i].allocate(resX,resY, GL_RGB, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE);
+				if (!mGIMapPost[i].allocate(resX,resY, GL_RGB, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE)) return false;
 #endif
 			}
 		}
@@ -685,7 +731,7 @@ void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
 		{ //allocate 4 sun shadow maps
 			for (U32 i = 0; i < 4; i++)
 			{
-				mShadow[i].allocate(U32(resX*scale),U32(resY*scale), shadow_fmt, TRUE, FALSE, LLTexUnit::TT_RECT_TEXTURE);
+				if (!mShadow[i].allocate(U32(resX*scale),U32(resY*scale), shadow_fmt, TRUE, FALSE, LLTexUnit::TT_RECT_TEXTURE)) return false;
 			}
 		}
 		else
@@ -703,7 +749,7 @@ void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
 		{ //allocate two spot shadow maps
 			for (U32 i = 4; i < 6; i++)
 			{
-				mShadow[i].allocate(width, height, shadow_fmt, TRUE, FALSE);
+				if (!mShadow[i].allocate(width, height, shadow_fmt, TRUE, FALSE)) return false;
 			}
 		}
 		else
@@ -716,7 +762,7 @@ void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
 
 		width = nhpo2(resX)/2;
 		height = nhpo2(resY)/2;
-		mLuminanceMap.allocate(width,height, GL_RGBA, FALSE, FALSE);
+		if (!mLuminanceMap.allocate(width,height, GL_RGBA, FALSE, FALSE)) return false;
 	}
 	else
 	{
@@ -738,7 +784,7 @@ void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
 		mEdgeMap.release();
 		mLuminanceMap.release();
 		
-		mScreen.allocate(resX, resY, GL_RGBA, TRUE, TRUE, LLTexUnit::TT_RECT_TEXTURE, FALSE);		
+		if (!mScreen.allocate(resX, resY, GL_RGBA, TRUE, TRUE, LLTexUnit::TT_RECT_TEXTURE, FALSE)) return false;		
 	}
 	
 	if (LLPipeline::sRenderDeferred)
@@ -750,6 +796,7 @@ void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
 
 	stop_glerror();
 
+	return true;
 }
 
 //static
@@ -800,9 +847,23 @@ void LLPipeline::releaseGLBuffers()
 
 	mWaterRef.release();
 	mWaterDis.release();
+	
+	for (U32 i = 0; i < 3; i++)
+	{
+		mGlow[i].release();
+	}
+
+	releaseScreenBuffers();
+
+	gBumpImageList.destroyGL();
+	LLVOAvatar::resetImpostors();
+}
+
+void LLPipeline::releaseScreenBuffers()
+{
+	mUIScreen.release();
 	mScreen.release();
 	mPhysicsDisplay.release();
-	mUIScreen.release();
 	mDeferredScreen.release();
 	mDeferredDepth.release();
 	for (U32 i = 0; i < 3; i++)
@@ -821,16 +882,9 @@ void LLPipeline::releaseGLBuffers()
 	{
 		mShadow[i].release();
 	}
-
-	for (U32 i = 0; i < 3; i++)
-	{
-		mGlow[i].release();
-	}
-
-	gBumpImageList.destroyGL();
-	LLVOAvatar::resetImpostors();
 }
 
+
 void LLPipeline::createGLBuffers()
 {
 	LLMemType mt_cb(LLMemType::MTYPE_PIPELINE_CREATE_BUFFERS);
@@ -1983,6 +2037,14 @@ void LLPipeline::updateCull(LLCamera& camera, LLCullResult& result, S32 water_cl
 
 	LLGLDepthTest depth(GL_TRUE, GL_FALSE);
 
+	bool bound_shader = false;
+	if (gPipeline.canUseVertexShaders() && LLGLSLShader::sCurBoundShader == 0)
+	{ //if no shader is currently bound, use the occlusion shader instead of fixed function if we can
+		// (shadow render uses a special shader that clamps to clip planes)
+		bound_shader = true;
+		gOcclusionProgram.bind();
+	}
+	
 	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin(); 
 			iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
 	{
@@ -2010,6 +2072,11 @@ void LLPipeline::updateCull(LLCamera& camera, LLCullResult& result, S32 water_cl
 		}
 	}
 
+	if (bound_shader)
+	{
+		gOcclusionProgram.unbind();
+	}
+
 	camera.disableUserClipPlane();
 
 	if (hasRenderType(LLPipeline::RENDER_TYPE_SKY) && 
@@ -2133,7 +2200,21 @@ void LLPipeline::doOcclusion(LLCamera& camera)
 		LLGLDepthTest depth(GL_TRUE, GL_FALSE);
 
 		LLGLDisable cull(GL_CULL_FACE);
+
 		
+		bool bind_shader = LLGLSLShader::sNoFixedFunction && LLGLSLShader::sCurBoundShader == 0;
+		if (bind_shader)
+		{
+			if (LLPipeline::sShadowRender)
+			{
+				gDeferredShadowProgram.bind();
+			}
+			else
+			{
+				gOcclusionProgram.bind();
+			}
+		}
+
 		for (LLCullResult::sg_list_t::iterator iter = sCull->beginOcclusionGroups(); iter != sCull->endOcclusionGroups(); ++iter)
 		{
 			LLSpatialGroup* group = *iter;
@@ -2141,6 +2222,18 @@ void LLPipeline::doOcclusion(LLCamera& camera)
 			group->clearOcclusionState(LLSpatialGroup::ACTIVE_OCCLUSION);
 		}
 	
+		if (bind_shader)
+		{
+			if (LLPipeline::sShadowRender)
+			{
+				gDeferredShadowProgram.unbind();
+			}
+			else
+			{
+				gOcclusionProgram.unbind();
+			}
+		}
+
 		gGL.setColorMask(true, false);
 	}
 }
@@ -3249,6 +3342,11 @@ void render_hud_elements()
 	gGL.color4f(1,1,1,1);
 	if (!LLPipeline::sReflectionRender && gPipeline.hasRenderDebugFeatureMask(LLPipeline::RENDER_DEBUG_FEATURE_UI))
 	{
+		if (LLGLSLShader::sNoFixedFunction)
+		{
+			gUIProgram.bind();
+		}
+
 		LLGLEnable multisample(gSavedSettings.getU32("RenderFSAASamples") > 0 ? GL_MULTISAMPLE_ARB : 0);
 		gViewerWindow->renderSelections(FALSE, FALSE, FALSE); // For HUD version in render_ui_3d()
 	
@@ -3262,6 +3360,10 @@ void render_hud_elements()
 	
 		// Render name tags.
 		LLHUDObject::renderAll();
+		if (LLGLSLShader::sNoFixedFunction)
+		{
+			gUIProgram.unbind();
+		}
 	}
 	else if (gForceRenderLandFence)
 	{
@@ -3599,8 +3701,8 @@ void LLPipeline::renderGeom(LLCamera& camera, BOOL forceVBOUpdate)
 						check_stack_depth(stack_depth);
 						std::string msg = llformat("pass %d", i);
 						LLGLState::checkStates(msg);
-						LLGLState::checkTextureChannels(msg);
-						LLGLState::checkClientArrays(msg);
+						//LLGLState::checkTextureChannels(msg);
+						//LLGLState::checkClientArrays(msg);
 					}
 				}
 			}
@@ -3638,16 +3740,6 @@ void LLPipeline::renderGeom(LLCamera& camera, BOOL forceVBOUpdate)
 
 	LLVertexBuffer::unbind();
 	LLGLState::checkStates();
-	LLGLState::checkTextureChannels();
-	LLGLState::checkClientArrays();
-
-	
-
-	stop_glerror();
-		
-	LLGLState::checkStates();
-	LLGLState::checkTextureChannels();
-	LLGLState::checkClientArrays();
 
 	LLAppViewer::instance()->pingMainloopTimeout("Pipeline:RenderHighlights");
 
@@ -3701,8 +3793,8 @@ void LLPipeline::renderGeom(LLCamera& camera, BOOL forceVBOUpdate)
 	LLVertexBuffer::unbind();
 
 	LLGLState::checkStates();
-	LLGLState::checkTextureChannels();
-	LLGLState::checkClientArrays();
+//	LLGLState::checkTextureChannels();
+//	LLGLState::checkClientArrays();
 }
 
 void LLPipeline::renderGeomDeferred(LLCamera& camera)
@@ -3785,8 +3877,6 @@ void LLPipeline::renderGeomDeferred(LLCamera& camera)
 						llerrs << "GL matrix stack corrupted!" << llendl;
 					}
 					LLGLState::checkStates();
-					LLGLState::checkTextureChannels();
-					LLGLState::checkClientArrays();
 				}
 			}
 		}
@@ -3879,8 +3969,6 @@ void LLPipeline::renderGeomPostDeferred(LLCamera& camera)
 						llerrs << "GL matrix stack corrupted!" << llendl;
 					}
 					LLGLState::checkStates();
-					LLGLState::checkTextureChannels();
-					LLGLState::checkClientArrays();
 				}
 			}
 		}
@@ -3955,8 +4043,6 @@ void LLPipeline::renderGeomShadow(LLCamera& camera)
 				LLVertexBuffer::unbind();
 
 				LLGLState::checkStates();
-				LLGLState::checkTextureChannels();
-				LLGLState::checkClientArrays();
 			}
 		}
 		else
@@ -6449,30 +6535,39 @@ void LLPipeline::renderBloom(BOOL for_snapshot, F32 zoom_factor, int subfield)
 
 		LLGLDisable blend(GL_BLEND);
 
-		//tex unit 0
-		gGL.getTexUnit(0)->setTextureColorBlend(LLTexUnit::TBO_REPLACE, LLTexUnit::TBS_TEX_COLOR);
-	
-		gGL.getTexUnit(0)->bind(&mGlow[1]);
-		gGL.getTexUnit(1)->activate();
-		gGL.getTexUnit(1)->enable(LLTexUnit::TT_RECT_TEXTURE);
-
-
-		//tex unit 1
-		gGL.getTexUnit(1)->setTextureColorBlend(LLTexUnit::TBO_ADD, LLTexUnit::TBS_TEX_COLOR, LLTexUnit::TBS_PREV_COLOR);
+		if (LLGLSLShader::sNoFixedFunction)
+		{
+			gGlowCombineProgram.bind();
+		}
+		else
+		{
+			//tex unit 0
+			gGL.getTexUnit(0)->setTextureColorBlend(LLTexUnit::TBO_REPLACE, LLTexUnit::TBS_TEX_COLOR);
+			//tex unit 1
+			gGL.getTexUnit(1)->setTextureColorBlend(LLTexUnit::TBO_ADD, LLTexUnit::TBS_TEX_COLOR, LLTexUnit::TBS_PREV_COLOR);
+		}
 		
+		gGL.getTexUnit(0)->bind(&mGlow[1]);
 		gGL.getTexUnit(1)->bind(&mScreen);
-		gGL.getTexUnit(1)->activate();
 		
 		LLGLEnable multisample(gSavedSettings.getU32("RenderFSAASamples") > 0 ? GL_MULTISAMPLE_ARB : 0);
 		
 		buff->setBuffer(mask);
 		buff->drawArrays(LLRender::TRIANGLE_STRIP, 0, 3);
 		
-		gGL.getTexUnit(1)->disable();
-		gGL.getTexUnit(1)->setTextureBlendType(LLTexUnit::TB_MULT);
+		if (LLGLSLShader::sNoFixedFunction)
+		{
+			gGlowCombineProgram.unbind();
+		}
+		else
+		{
+			gGL.getTexUnit(1)->disable();
+			gGL.getTexUnit(1)->setTextureBlendType(LLTexUnit::TB_MULT);
 
-		gGL.getTexUnit(0)->activate();
-		gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT);
+			gGL.getTexUnit(0)->activate();
+			gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT);
+		}
+		
 	}
 
 	if (LLRenderTarget::sUseFBO)
@@ -6485,6 +6580,11 @@ void LLPipeline::renderBloom(BOOL for_snapshot, F32 zoom_factor, int subfield)
 
 	if (hasRenderDebugMask(LLPipeline::RENDER_DEBUG_PHYSICS_SHAPES))
 	{
+		if (LLGLSLShader::sNoFixedFunction)
+		{
+			gUIProgram.bind();
+		}
+
 		gGL.setColorMask(true, false);
 
 		LLVector2 tc1(0,0);
@@ -6508,6 +6608,12 @@ void LLPipeline::renderBloom(BOOL for_snapshot, F32 zoom_factor, int subfield)
 		
 		gGL.end();
 		gGL.flush();
+
+		if (LLGLSLShader::sNoFixedFunction)
+		{
+			gUIProgram.unbind();
+		}
+
 	}
 
 	glMatrixMode(GL_PROJECTION);
@@ -7923,7 +8029,7 @@ void LLPipeline::generateWaterReflection(LLCamera& camera_in)
 
 			static LLCullResult ref_result;
 
-			if (LLDrawPoolWater::sNeedsDistortionUpdate)
+			if (LLDrawPoolWater::sNeedsReflectionUpdate)
 			{
 				//initial sky pass (no user clip plane)
 				{ //mask out everything but the sky
@@ -8063,8 +8169,6 @@ void LLPipeline::generateWaterReflection(LLCamera& camera_in)
 		LLViewerCamera::getInstance()->setUserClipPlane(npnorm);
 		
 		LLGLState::checkStates();
-		LLGLState::checkTextureChannels();
-		LLGLState::checkClientArrays();
 
 		if (!skip_avatar_update)
 		{
@@ -8197,6 +8301,10 @@ void LLPipeline::renderShadow(glh::matrix4f& view, glh::matrix4f& proj, LLCamera
 	LLVertexBuffer::unbind();
 
 	{
+		if (!use_shader)
+		{ //occlusion program is general purpose depth-only no-textures
+			gOcclusionProgram.bind();
+		}
 		LLFastTimer ftm(FTM_SHADOW_SIMPLE);
 		LLGLDisable test(GL_ALPHA_TEST);
 		gGL.getTexUnit(0)->disable();
@@ -8205,6 +8313,10 @@ void LLPipeline::renderShadow(glh::matrix4f& view, glh::matrix4f& proj, LLCamera
 			renderObjects(types[i], LLVertexBuffer::MAP_VERTEX, FALSE);
 		}
 		gGL.getTexUnit(0)->enable(LLTexUnit::TT_TEXTURE);
+		if (!use_shader)
+		{
+			gOcclusionProgram.unbind();
+		}
 	}
 	
 	if (use_shader)
diff --git a/indra/newview/pipeline.h b/indra/newview/pipeline.h
index e9da25e544..28e6526acd 100644
--- a/indra/newview/pipeline.h
+++ b/indra/newview/pipeline.h
@@ -113,9 +113,11 @@ public:
 	void resetVertexBuffers();
 	void resizeScreenTexture();
 	void releaseGLBuffers();
+	void releaseScreenBuffers();
 	void createGLBuffers();
 
 	void allocateScreenBuffer(U32 resX, U32 resY);
+	bool allocateScreenBuffer(U32 resX, U32 resY, U32 samples);
 	void allocatePhysicsBuffer();
 	
 	void resetVertexBuffers(LLDrawable* drawable);