NORSPEC-49 Add shader profiler, add support for ARB_depth_clamp where available

18 files changed, 94 insertions, 137 deletions

diff --git a/indra/newview/app_settings/shaders/class1/deferred/attachmentShadowV.glsl b/indra/newview/app_settings/shaders/class1/deferred/attachmentShadowV.glsl
index 81961d7746..3f90600ace 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/attachmentShadowV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/attachmentShadowV.glsl
@@ -39,7 +39,12 @@ void main()
 	mat = modelview_matrix * mat;
 	vec3 pos = (mat*vec4(position.xyz, 1.0)).xyz;
 	
+
 	vec4 p = projection_matrix * vec4(pos, 1.0);
+#if !DEPTH_CLAMP
 	p.z = max(p.z, -p.w+0.01);
 	gl_Position = p;
+#else
+	gl_Position = p;
+#endif
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarShadowF.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarShadowF.glsl
index 3686f2f647..b809b73973 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/avatarShadowF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/avatarShadowF.glsl
@@ -31,12 +31,16 @@ out vec4 frag_color;
 
 uniform sampler2D diffuseMap;
 
+#if !DEPTH_CLAMP
 VARYING vec4 post_pos;
+#endif
 
 void main() 
 {
 	frag_color = vec4(1,1,1,1);
 
+#if !DEPTH_CLAMP
 	gl_FragDepth = max(post_pos.z/post_pos.w*0.5+0.5, 0.0);
+#endif
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarShadowV.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarShadowV.glsl
index 23feb09d72..bde1ad4e9f 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/avatarShadowV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/avatarShadowV.glsl
@@ -31,7 +31,9 @@ ATTRIBUTE vec3 position;
 ATTRIBUTE vec3 normal;
 ATTRIBUTE vec2 texcoord0;
 
+#if !DEPTH_CLAMP
 VARYING vec4 post_pos;
+#endif
 
 void main()
 {
@@ -51,9 +53,13 @@ void main()
 	norm = normalize(norm);
 	
 	pos = projection_matrix * pos;
+#if !DEPTH_CLAMP
 	post_pos = pos;
 
 	gl_Position = vec4(pos.x, pos.y, pos.w*0.5, pos.w);
+#else
+	gl_Position = pos;
+#endif
 }
 
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseIndexedF.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseIndexedF.glsl
index 40b980bf51..a2c3ec3355 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/diffuseIndexedF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseIndexedF.glsl
@@ -46,7 +46,7 @@ void main()
 
 	frag_data[0] = vec4(col, 0.0);
 	frag_data[1] = vertex_color.aaaa; // spec
-	//frag_data[1] = vec4(vec3(vertex_color.a), vertex_color.a+(1.0-vertex_color.a)*vertex_color.a); // spec - from former class3 - maybe better, but not so well tested
+	frag_data[1] = vec4(vec3(vertex_color.a), vertex_color.a+(1.0-vertex_color.a)*vertex_color.a); // spec - from former class3 - maybe better, but not so well tested
 	vec3 nvn = normalize(vary_normal);
 	frag_data[2] = vec4(encode_normal(nvn.xyz), vertex_color.a, 0.0);
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseV.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseV.glsl
index 76d29b1df7..3c026796c8 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/diffuseV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseV.glsl
@@ -47,6 +47,6 @@ void main()
 	
 	passTextureIndex();
 	vary_normal = normalize(normal_matrix * normal);
-
+	
 	vertex_color = diffuse_color;
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskF.glsl b/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskF.glsl
index bced4a5577..91a96977f0 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskF.glsl
@@ -31,8 +31,12 @@ out vec4 frag_color;
 
 uniform sampler2D diffuseMap;
 
+#if !DEPTH_CLAMP
 VARYING float pos_zd2;
+#endif
+
 VARYING float pos_w;
+
 VARYING float target_pos_x;
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
@@ -56,5 +60,7 @@ void main()
 
 	frag_color = vec4(1,1,1,1);
 	
+#if !DEPTH_CLAMP
 	gl_FragDepth = max(pos_zd2/pos_w+0.5, 0.0);
+#endif
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskV.glsl b/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskV.glsl
index c1f2d90712..11411a605c 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskV.glsl
@@ -31,8 +31,12 @@ ATTRIBUTE vec3 position;
 ATTRIBUTE vec4 diffuse_color;
 ATTRIBUTE vec2 texcoord0;
 
+#if !DEPTH_CLAMP
 VARYING float pos_zd2;
+#endif
+
 VARYING float pos_w;
+
 VARYING float target_pos_x;
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
@@ -45,10 +49,16 @@ void main()
 	vec4 pre_pos = vec4(position.xyz, 1.0);
 	vec4 pos = modelview_projection_matrix * pre_pos;
 	target_pos_x = 0.5 * (shadow_target_width - 1.0) * pos.x;
+
 	pos_w = pos.w;
+
+#if !DEPTH_CLAMP
 	pos_zd2 = pos.z * 0.5;
 	
 	gl_Position = vec4(pos.x, pos.y, pos.w*0.5, pos.w);
+#else
+	gl_Position = pos;
+#endif
 	
 	passTextureIndex();
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/shadowCubeV.glsl b/indra/newview/app_settings/shaders/class1/deferred/shadowCubeV.glsl
index 6195e2f1ec..ef153dfc5b 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/shadowCubeV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/shadowCubeV.glsl
@@ -27,7 +27,9 @@ uniform mat4 modelview_projection_matrix;
 
 ATTRIBUTE vec3 position;
 
+#if !DEPTH_CLAMP
 VARYING vec4 post_pos;
+#endif
 
 uniform vec3 box_center;
 uniform vec3 box_size;
@@ -37,8 +39,12 @@ void main()
 	//transform vertex
 	vec3 p = position*box_size+box_center;
 	vec4 pos = modelview_projection_matrix*vec4(p.xyz, 1.0);
-	
+
+#if !DEPTH_CLAMP
 	post_pos = pos;
-	
+
 	gl_Position = vec4(pos.x, pos.y, pos.w*0.5, pos.w);
+#else
+	gl_Position = pos;
+#endif
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/shadowF.glsl b/indra/newview/app_settings/shaders/class1/deferred/shadowF.glsl
index 7e55fdc12a..3d1b182875 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/shadowF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/shadowF.glsl
@@ -29,11 +29,16 @@ out vec4 frag_color;
 #define frag_color gl_FragColor
 #endif
 
+#if !DEPTH_CLAMP
 VARYING vec4 post_pos;
+#endif
 
 void main() 
 {
 	frag_color = vec4(1,1,1,1);
 	
+#if !DEPTH_CLAMP
 	gl_FragDepth = max(post_pos.z/post_pos.w*0.5+0.5, 0.0);
+#endif
+
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/shadowV.glsl b/indra/newview/app_settings/shaders/class1/deferred/shadowV.glsl
index 8b46e81f90..cc77a4cea0 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/shadowV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/shadowV.glsl
@@ -27,14 +27,20 @@ uniform mat4 modelview_projection_matrix;
 
 ATTRIBUTE vec3 position;
 
+#if !DEPTH_CLAMP
 VARYING vec4 post_pos;
+#endif
 
 void main()
 {
 	//transform vertex
 	vec4 pos = modelview_projection_matrix*vec4(position.xyz, 1.0);
 	
+#if !DEPTH_CLAMP
 	post_pos = pos;
-	
+
 	gl_Position = vec4(pos.x, pos.y, pos.w*0.5, pos.w);
+#else
+	gl_Position = pos;
+#endif
 }
diff --git a/indra/newview/llspatialpartition.cpp b/indra/newview/llspatialpartition.cpp
index f42586c715..f6e282ad87 100644
--- a/indra/newview/llspatialpartition.cpp
+++ b/indra/newview/llspatialpartition.cpp
@@ -89,7 +89,7 @@ class LLOcclusionQueryPool : public LLGLNamePool
 public:
 	LLOcclusionQueryPool()
 	{
-		mCurQuery = 1;
+		mCurQuery = 2; //1 is reserved for LLGLSLShader
 	}
 
 protected:
diff --git a/indra/newview/llviewerdisplay.cpp b/indra/newview/llviewerdisplay.cpp
index abeef7097a..1e5c5097ea 100644
--- a/indra/newview/llviewerdisplay.cpp
+++ b/indra/newview/llviewerdisplay.cpp
@@ -98,6 +98,7 @@ BOOL gDepthDirty = FALSE;
 BOOL gResizeScreenTexture = FALSE;
 BOOL gWindowResized = FALSE;
 BOOL gSnapshot = FALSE;
+BOOL gShaderProfileFrame = FALSE;
 
 U32 gRecentFrameCount = 0; // number of 'recent' frames
 LLFrameTimer gRecentFPSTime;
@@ -340,6 +341,12 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 		return;
 	}
 
+
+	if (gShaderProfileFrame)
+	{
+		LLGLSLShader::initProfile();
+	}
+
 	//LLGLState::verify(FALSE);
 
 	/////////////////////////////////////////////////
@@ -1018,6 +1025,12 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 	LLAppViewer::instance()->pingMainloopTimeout("Display:Done");
 
 	gShiftFrame = false;
+
+	if (gShaderProfileFrame)
+	{
+		gShaderProfileFrame = FALSE;
+		LLGLSLShader::finishProfile();
+	}
 }
 
 void render_hud_attachments()
diff --git a/indra/newview/llviewermenu.cpp b/indra/newview/llviewermenu.cpp
index 84f6248a81..2735e908cd 100644
--- a/indra/newview/llviewermenu.cpp
+++ b/indra/newview/llviewermenu.cpp
@@ -147,6 +147,8 @@ void handle_test_load_url(void*);
 //extern BOOL gDebugAvatarRotation;
 extern BOOL gDebugClicks;
 extern BOOL gDebugWindowProc;
+extern BOOL gShaderProfileFrame;
+
 //extern BOOL gDebugTextEditorTips;
 //extern BOOL gDebugSelectMgr;
 
@@ -7038,6 +7040,15 @@ class LLAdvancedClickRenderShadowOption: public view_listener_t
 	}
 };
 
+class LLAdvancedClickRenderProfile: public view_listener_t
+{
+	bool handleEvent(const LLSD& userdata)
+	{
+		gShaderProfileFrame = TRUE;
+		return true;
+	}
+};
+
 void menu_toggle_attached_lights(void* user_data)
 {
 	LLPipeline::sRenderAttachedLights = gSavedSettings.getBOOL("RenderAttachedLights");
@@ -8473,7 +8484,7 @@ void initialize_menus()
 	view_listener_t::addMenu(new LLAdvancedHandleAttachedLightParticles(), "Advanced.HandleAttachedLightParticles");
 	view_listener_t::addMenu(new LLAdvancedCheckRenderShadowOption(), "Advanced.CheckRenderShadowOption");
 	view_listener_t::addMenu(new LLAdvancedClickRenderShadowOption(), "Advanced.ClickRenderShadowOption");
-	
+	view_listener_t::addMenu(new LLAdvancedClickRenderProfile(), "Advanced.ClickRenderProfile");
 
 	#ifdef TOGGLE_HACKED_GODLIKE_VIEWER
 	view_listener_t::addMenu(new LLAdvancedHandleToggleHackedGodmode(), "Advanced.HandleToggleHackedGodmode");
diff --git a/indra/newview/llviewershadermgr.cpp b/indra/newview/llviewershadermgr.cpp
index ce066d85f1..ff66828e67 100644
--- a/indra/newview/llviewershadermgr.cpp
+++ b/indra/newview/llviewershadermgr.cpp
@@ -1477,6 +1477,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredShadowProgram.mShaderFiles.push_back(make_pair("deferred/shadowV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredShadowProgram.mShaderFiles.push_back(make_pair("deferred/shadowF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredShadowProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredShadowProgram.addPermutation("DEPTH_CLAMP", gGLManager.mHasDepthClamp ? "1" : "0");
 		success = gDeferredShadowProgram.createShader(NULL, NULL);
 	}
 
@@ -1486,6 +1487,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredShadowCubeProgram.mShaderFiles.clear();
 		gDeferredShadowCubeProgram.mShaderFiles.push_back(make_pair("deferred/shadowCubeV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredShadowCubeProgram.mShaderFiles.push_back(make_pair("deferred/shadowF.glsl", GL_FRAGMENT_SHADER_ARB));
+		gDeferredShadowCubeProgram.addPermutation("DEPTH_CLAMP", gGLManager.mHasDepthClamp ? "1" : "0");
 		gDeferredShadowCubeProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
 		success = gDeferredShadowCubeProgram.createShader(NULL, NULL);
 	}
@@ -1497,6 +1499,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredShadowAlphaMaskProgram.mShaderFiles.clear();
 		gDeferredShadowAlphaMaskProgram.mShaderFiles.push_back(make_pair("deferred/shadowAlphaMaskV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredShadowAlphaMaskProgram.mShaderFiles.push_back(make_pair("deferred/shadowAlphaMaskF.glsl", GL_FRAGMENT_SHADER_ARB));
+		gDeferredShadowAlphaMaskProgram.addPermutation("DEPTH_CLAMP", gGLManager.mHasDepthClamp ? "1" : "0");
 		gDeferredShadowAlphaMaskProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
 		success = gDeferredShadowAlphaMaskProgram.createShader(NULL, NULL);
 	}
@@ -1508,6 +1511,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredAvatarShadowProgram.mShaderFiles.clear();
 		gDeferredAvatarShadowProgram.mShaderFiles.push_back(make_pair("deferred/avatarShadowV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredAvatarShadowProgram.mShaderFiles.push_back(make_pair("deferred/avatarShadowF.glsl", GL_FRAGMENT_SHADER_ARB));
+		gDeferredAvatarShadowProgram.addPermutation("DEPTH_CLAMP", gGLManager.mHasDepthClamp ? "1" : "0");
 		gDeferredAvatarShadowProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
 		success = gDeferredAvatarShadowProgram.createShader(NULL, &mAvatarUniforms);
 	}
@@ -1519,6 +1523,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredAttachmentShadowProgram.mShaderFiles.clear();
 		gDeferredAttachmentShadowProgram.mShaderFiles.push_back(make_pair("deferred/attachmentShadowV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredAttachmentShadowProgram.mShaderFiles.push_back(make_pair("deferred/attachmentShadowF.glsl", GL_FRAGMENT_SHADER_ARB));
+		gDeferredAttachmentShadowProgram.addPermutation("DEPTH_CLAMP", gGLManager.mHasDepthClamp ? "1" : "0");
 		gDeferredAttachmentShadowProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
 		success = gDeferredAttachmentShadowProgram.createShader(NULL, NULL);
 	}
diff --git a/indra/newview/llvotree.cpp b/indra/newview/llvotree.cpp
index 6687ce432f..3d9c4c59b3 100644
--- a/indra/newview/llvotree.cpp
+++ b/indra/newview/llvotree.cpp
@@ -1085,132 +1085,6 @@ void LLVOTree::calcNumVerts(U32& vert_count, U32& index_count, S32 trunk_LOD, S3
 	}
 }
 
-U32 LLVOTree::drawBranchPipeline(LLMatrix4& matrix, U16* indicesp, S32 trunk_LOD, S32 stop_level, U16 depth, U16 trunk_depth,  F32 scale, F32 twist, F32 droop,  F32 branches, F32 alpha)
-{
-	U32 ret = 0;
-	//
-	//  Draws a tree by recursing, drawing branches and then a 'leaf' texture.
-	//  If stop_level = -1, simply draws the whole tree as a billboarded texture
-	//
-	
-	static F32 constant_twist;
-	static F32 width = 0;
-
-	//F32 length = ((scale == 1.f)? mTrunkLength:mBranchLength);
-	//F32 aspect = ((scale == 1.f)? mTrunkAspect:mBranchAspect);
-	F32 length = ((trunk_depth || (scale == 1.f))? mTrunkLength:mBranchLength);
-	F32 aspect = ((trunk_depth || (scale == 1.f))? mTrunkAspect:mBranchAspect);
-	
-	constant_twist = 360.f/branches;
-
-	if (!LLPipeline::sReflectionRender && stop_level >= 0)
-	{
-		//
-		//  Draw the tree using recursion
-		//
-		if (depth > stop_level)
-		{
-			{
-				llassert(sLODIndexCount[trunk_LOD] > 0);
-				width = scale * length * aspect;
-				LLMatrix4 scale_mat;
-				scale_mat.mMatrix[0][0] = width;
-				scale_mat.mMatrix[1][1] = width;
-				scale_mat.mMatrix[2][2] = scale*length;
-				scale_mat *= matrix;
-
-				gGL.loadMatrix((F32*) scale_mat.mMatrix);
-				gGL.syncMatrices();
- 				glDrawElements(GL_TRIANGLES, sLODIndexCount[trunk_LOD], GL_UNSIGNED_SHORT, indicesp + sLODIndexOffset[trunk_LOD]);
-				gPipeline.addTrianglesDrawn(LEAF_INDICES);
-				stop_glerror();
-				ret += sLODIndexCount[trunk_LOD];
-			}
-			
-			// Recurse to create more branches
-			for (S32 i=0; i < (S32)branches; i++) 
-			{
-				LLMatrix4 trans_mat;
-				trans_mat.setTranslation(0,0,scale*length);
-				trans_mat *= matrix;
-
-				LLQuaternion rot = 
-					LLQuaternion(20.f*DEG_TO_RAD, LLVector4(0.f, 0.f, 1.f)) *
-					LLQuaternion(droop*DEG_TO_RAD, LLVector4(0.f, 1.f, 0.f)) *
-					LLQuaternion(((constant_twist + ((i%2==0)?twist:-twist))*i)*DEG_TO_RAD, LLVector4(0.f, 0.f, 1.f));
-				
-				LLMatrix4 rot_mat(rot);
-				rot_mat *= trans_mat;
-
-				ret += drawBranchPipeline(rot_mat, indicesp, trunk_LOD, stop_level, depth - 1, 0, scale*mScaleStep, twist, droop, branches, alpha);
-			}
-			//  Recurse to continue trunk
-			if (trunk_depth)
-			{
-				LLMatrix4 trans_mat;
-				trans_mat.setTranslation(0,0,scale*length);
-				trans_mat *= matrix;
-
-				LLMatrix4 rot_mat(70.5f*DEG_TO_RAD, LLVector4(0,0,1));
-				rot_mat *= trans_mat; // rotate a bit around Z when ascending 
-				ret += drawBranchPipeline(rot_mat, indicesp, trunk_LOD, stop_level, depth, trunk_depth-1, scale*mScaleStep, twist, droop, branches, alpha);
-			}
-		}
-		else
-		{
-			//
-			//  Draw leaves as two 90 deg crossed quads with leaf textures
-			//
-			{
-				LLMatrix4 scale_mat;
-				scale_mat.mMatrix[0][0] = 
-					scale_mat.mMatrix[1][1] =
-					scale_mat.mMatrix[2][2] = scale*mLeafScale;
-
-				scale_mat *= matrix;
-
-			
-				gGL.loadMatrix((F32*) scale_mat.mMatrix);
-				gGL.syncMatrices();
-				glDrawElements(GL_TRIANGLES, LEAF_INDICES, GL_UNSIGNED_SHORT, indicesp);
-				gPipeline.addTrianglesDrawn(LEAF_INDICES);							
-				stop_glerror();
-				ret += LEAF_INDICES;
-			}
-		}
-	}
-	else
-	{
-		//
-		//  Draw the tree as a single billboard texture 
-		//
-
-		LLMatrix4 scale_mat;
-		scale_mat.mMatrix[0][0] = 
-			scale_mat.mMatrix[1][1] =
-			scale_mat.mMatrix[2][2] = mBillboardScale*mBillboardRatio;
-
-		scale_mat *= matrix;
-	
-		gGL.matrixMode(LLRender::MM_TEXTURE);
-		gGL.translatef(0.0, -0.5, 0.0);
-		gGL.matrixMode(LLRender::MM_MODELVIEW);
-					
-		gGL.loadMatrix((F32*) scale_mat.mMatrix);
-		gGL.syncMatrices();
-		glDrawElements(GL_TRIANGLES, LEAF_INDICES, GL_UNSIGNED_SHORT, indicesp);
-		gPipeline.addTrianglesDrawn(LEAF_INDICES);
-		stop_glerror();
-		ret += LEAF_INDICES;
-
-		gGL.matrixMode(LLRender::MM_TEXTURE);
-		gGL.loadIdentity();
-		gGL.matrixMode(LLRender::MM_MODELVIEW);
-	}
-
-	return ret;
-}
-
 void LLVOTree::updateRadius()
 {
 	if (mDrawable.isNull())
diff --git a/indra/newview/llvotree.h b/indra/newview/llvotree.h
index 52debc85ab..2a7eb21238 100644
--- a/indra/newview/llvotree.h
+++ b/indra/newview/llvotree.h
@@ -104,10 +104,7 @@ public:
 								 F32 twist, 
 								 F32 droop,  
 								 F32 branches, 
-								 F32 alpha);
-
-	U32 drawBranchPipeline(LLMatrix4& matrix, U16* indicesp, S32 trunk_LOD, S32 stop_level, U16 depth, U16 trunk_depth,  F32 scale, F32 twist, F32 droop,  F32 branches, F32 alpha);
- 
+								 F32 alpha); 
 
 	 /*virtual*/ BOOL lineSegmentIntersect(const LLVector3& start, const LLVector3& end, 
 										  S32 face = -1,                        // which face to check, -1 = ALL_SIDES
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index 89df61919e..c074a0e16e 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -9023,6 +9023,9 @@ void LLPipeline::renderShadow(glh::matrix4f& view, glh::matrix4f& proj, LLCamera
 
 	LLGLEnable cull(GL_CULL_FACE);
 
+	//enable depth clamping if available
+	LLGLEnable depth_clamp(gGLManager.mHasDepthClamp ? GL_DEPTH_CLAMP : 0);
+
 	if (use_shader)
 	{
 		gDeferredShadowCubeProgram.bind();
diff --git a/indra/newview/skins/default/xui/en/menu_viewer.xml b/indra/newview/skins/default/xui/en/menu_viewer.xml
index 5af02a238f..364c1df999 100644
--- a/indra/newview/skins/default/xui/en/menu_viewer.xml
+++ b/indra/newview/skins/default/xui/en/menu_viewer.xml
@@ -2359,6 +2359,12 @@
                 <menu_item_check.on_click
                  function="Advanced.ToggleFrameTest" />
             </menu_item_check>
+          <menu_item_call
+             label="Frame Profile"
+             name="Frame Profile">
+            <menu_item_call.on_click
+             function="Advanced.ClickRenderProfile" />
+          </menu_item_call>
         </menu>
       <menu
         create_jump_keys="true"