SH-2244 Better VAO support -- still slower than non-VAO implementation for some reason

28 files changed, 70 insertions, 59 deletions

diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index a8a7b165a3..32d4097ff3 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -7681,7 +7681,7 @@
       <key>Type</key>
       <string>Boolean</string>
       <key>Value</key>
-      <integer>1</integer>
+      <integer>0</integer>
     </map>
   <key>RenderDebugNormalScale</key>
   <map>
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
index 9920caf7f6..74ee082bed 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
@@ -28,7 +28,8 @@ uniform mat4 texture_matrix0;
 uniform mat4 modelview_matrix;
 uniform mat4 modelview_projection_matrix;
 
-ATTRIBUTE vec4 position;
+ATTRIBUTE vec3 position;
+ATTRIBUTE float texture_index;
 ATTRIBUTE vec3 normal;
 ATTRIBUTE vec4 diffuse_color;
 ATTRIBUTE vec2 texcoord0;
@@ -97,7 +98,7 @@ void main()
 {
 	//transform vertex
 	vec4 vert = vec4(position.xyz, 1.0);
-	vary_texture_index = position.w;
+	vary_texture_index = texture_index;
 	vec4 pos = (modelview_matrix * vert);
 	gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
 	
diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseV.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseV.glsl
index 36000b86d6..908f3abcd0 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/diffuseV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseV.glsl
@@ -27,7 +27,8 @@ uniform mat3 normal_matrix;
 uniform mat4 texture_matrix0;
 uniform mat4 modelview_projection_matrix;
 
-ATTRIBUTE vec4 position;
+ATTRIBUTE vec3 position;
+ATTRIBUTE float texture_index;
 ATTRIBUTE vec4 diffuse_color;
 ATTRIBUTE vec3 normal;
 ATTRIBUTE vec2 texcoord0;
@@ -43,7 +44,7 @@ void main()
 	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0); 
 	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
 	
-	vary_texture_index = position.w;
+	vary_texture_index = texture_index;
 	vary_normal = normalize(normal_matrix * normal);
 
 	vertex_color = diffuse_color;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/emissiveV.glsl b/indra/newview/app_settings/shaders/class1/deferred/emissiveV.glsl
index b3558be678..50e92c191b 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/emissiveV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/emissiveV.glsl
@@ -27,7 +27,8 @@ uniform mat4 texture_matrix0;
 uniform mat4 modelview_matrix;
 uniform mat4 modelview_projection_matrix;
 
-ATTRIBUTE vec4 position;
+ATTRIBUTE vec3 position;
+ATTRIBUTE float texture_index;
 ATTRIBUTE float emissive;
 ATTRIBUTE vec2 texcoord0;
 
@@ -48,7 +49,7 @@ void main()
 	//transform vertex
 	vec4 vert = vec4(position.xyz, 1.0);
 	vec4 pos = (modelview_matrix * vert);
-	vary_texture_index = position.w;
+	vary_texture_index = texture_index;
 
 	gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
 	
diff --git a/indra/newview/app_settings/shaders/class1/deferred/fullbrightV.glsl b/indra/newview/app_settings/shaders/class1/deferred/fullbrightV.glsl
index ef9f62da84..ab638991f7 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/fullbrightV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/fullbrightV.glsl
@@ -28,7 +28,8 @@ uniform mat4 modelview_matrix;
 uniform mat4 modelview_projection_matrix;
 
 
-ATTRIBUTE vec4 position;
+ATTRIBUTE vec3 position;
+ATTRIBUTE float texture_index;
 ATTRIBUTE vec4 diffuse_color;
 ATTRIBUTE vec2 texcoord0;
 
@@ -49,7 +50,7 @@ void main()
 	//transform vertex
 	vec4 vert = vec4(position.xyz, 1.0);
 	vec4 pos = (modelview_matrix * vert);
-	vary_texture_index = position.w;
+	vary_texture_index = texture_index;
 
 	gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
 	
diff --git a/indra/newview/app_settings/shaders/class1/objects/emissiveV.glsl b/indra/newview/app_settings/shaders/class1/objects/emissiveV.glsl
index 0e05beac67..77b0806bfc 100644
--- a/indra/newview/app_settings/shaders/class1/objects/emissiveV.glsl
+++ b/indra/newview/app_settings/shaders/class1/objects/emissiveV.glsl
@@ -27,7 +27,8 @@ uniform mat4 texture_matrix0;
 uniform mat4 modelview_matrix;
 uniform mat4 modelview_projection_matrix;
 
-ATTRIBUTE vec4 position;
+ATTRIBUTE vec3 position;
+ATTRIBUTE float texture_index;
 ATTRIBUTE float emissive;
 ATTRIBUTE vec2 texcoord0;
 
@@ -42,7 +43,7 @@ VARYING float fog_depth;
 void main()
 {
 	//transform vertex
-	vary_texture_index = position.w;
+	vary_texture_index = texture_index;
 	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0);
 	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
 	
diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
index 268e4127a2..6a3777c7c8 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
@@ -28,7 +28,8 @@ uniform mat4 texture_matrix0;
 uniform mat4 modelview_matrix;
 uniform mat4 modelview_projection_matrix;
 
-ATTRIBUTE vec4 position;
+ATTRIBUTE vec3 position;
+ATTRIBUTE float texture_index;
 ATTRIBUTE vec3 normal;
 ATTRIBUTE vec4 diffuse_color;
 ATTRIBUTE vec2 texcoord0;
@@ -96,7 +97,7 @@ void main()
 {
 	//transform vertex
 	vec4 vert = vec4(position.xyz, 1.0);
-	vary_texture_index = position.w;
+	vary_texture_index = texture_index;
 	vec4 pos = (modelview_matrix * vert);
 	gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
 	
diff --git a/indra/newview/app_settings/shaders/class2/objects/fullbrightShinyV.glsl b/indra/newview/app_settings/shaders/class2/objects/fullbrightShinyV.glsl
index ef97e4f781..580ef2694f 100644
--- a/indra/newview/app_settings/shaders/class2/objects/fullbrightShinyV.glsl
+++ b/indra/newview/app_settings/shaders/class2/objects/fullbrightShinyV.glsl
@@ -36,7 +36,8 @@ uniform vec4 origin;
 
 VARYING float vary_texture_index;
 
-ATTRIBUTE vec4 position;
+ATTRIBUTE vec3 position;
+ATTRIBUTE float texture_index;
 ATTRIBUTE vec3 normal;
 ATTRIBUTE vec4 diffuse_color;
 ATTRIBUTE vec2 texcoord0;
@@ -50,7 +51,7 @@ void main()
 {
 	//transform vertex
 	vec4 vert = vec4(position.xyz,1.0);
-	vary_texture_index = position.w;
+	vary_texture_index = texture_index;
 	vec4 pos = (modelview_matrix * vert);
 	gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
 	
diff --git a/indra/newview/app_settings/shaders/class2/objects/fullbrightV.glsl b/indra/newview/app_settings/shaders/class2/objects/fullbrightV.glsl
index 2fd22cee9d..09dbd0b6cd 100644
--- a/indra/newview/app_settings/shaders/class2/objects/fullbrightV.glsl
+++ b/indra/newview/app_settings/shaders/class2/objects/fullbrightV.glsl
@@ -27,7 +27,8 @@ uniform mat4 texture_matrix0;
 uniform mat4 modelview_matrix;
 uniform mat4 modelview_projection_matrix;
  
-ATTRIBUTE vec4 position;
+ATTRIBUTE vec3 position;
+ATTRIBUTE float texture_index;
 ATTRIBUTE vec2 texcoord0;
 ATTRIBUTE vec3 normal;
 ATTRIBUTE vec4 diffuse_color;
@@ -44,7 +45,7 @@ void main()
 {
 	//transform vertex
 	vec4 vert = vec4(position.xyz,1.0);
-	vary_texture_index = position.w;
+	vary_texture_index = texture_index;
 	vec4 pos = (modelview_matrix * vert);
 	gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
 	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
diff --git a/indra/newview/app_settings/shaders/class2/objects/shinyV.glsl b/indra/newview/app_settings/shaders/class2/objects/shinyV.glsl
index 472ff219e5..86c592ea57 100644
--- a/indra/newview/app_settings/shaders/class2/objects/shinyV.glsl
+++ b/indra/newview/app_settings/shaders/class2/objects/shinyV.glsl
@@ -29,7 +29,8 @@ uniform mat4 texture_matrix1;
 uniform mat4 modelview_matrix;
 uniform mat4 modelview_projection_matrix;
 
-ATTRIBUTE vec4 position;
+ATTRIBUTE vec3 position;
+ATTRIBUTE float texture_index;
 ATTRIBUTE vec2 texcoord0;
 ATTRIBUTE vec3 normal;
 ATTRIBUTE vec4 diffuse_color;
@@ -51,7 +52,7 @@ void main()
 {
 	//transform vertex
 	vec4 vert = vec4(position.xyz,1.0);
-	vary_texture_index = position.w;
+	vary_texture_index = texture_index;
 	vec4 pos = (modelview_matrix * vert);
 	gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
 		
diff --git a/indra/newview/app_settings/shaders/class2/objects/simpleV.glsl b/indra/newview/app_settings/shaders/class2/objects/simpleV.glsl
index 144336417e..8e8f0664b0 100644
--- a/indra/newview/app_settings/shaders/class2/objects/simpleV.glsl
+++ b/indra/newview/app_settings/shaders/class2/objects/simpleV.glsl
@@ -28,7 +28,8 @@ uniform mat4 texture_matrix0;
 uniform mat4 modelview_matrix;
 uniform mat4 modelview_projection_matrix;
 
-ATTRIBUTE vec4 position;
+ATTRIBUTE vec3 position;
+ATTRIBUTE float texture_index;
 ATTRIBUTE vec2 texcoord0;
 ATTRIBUTE vec3 normal;
 ATTRIBUTE vec4 diffuse_color;
@@ -45,7 +46,7 @@ void main()
 {
 	//transform vertex
 	vec4 vert = vec4(position.xyz,1.0);
-	vary_texture_index = position.w;
+	vary_texture_index = texture_index;
 	vec4 pos = (modelview_matrix * vert);
 	gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
 	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0, 0, 1)).xy;
diff --git a/indra/newview/llface.cpp b/indra/newview/llface.cpp
index 7ae11bff94..d36379b0e7 100644
--- a/indra/newview/llface.cpp
+++ b/indra/newview/llface.cpp
@@ -1216,7 +1216,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 
 		if (map_range)
 		{
-			mVertexBuffer->setBuffer(0);
+			mVertexBuffer->flush();
 		}
 	}
 	
@@ -1441,7 +1441,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 
 			if (map_range)
 			{
-				mVertexBuffer->setBuffer(0);
+				mVertexBuffer->flush();
 			}
 		}
 		else
@@ -1588,7 +1588,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 
 			if (map_range)
 			{
-				mVertexBuffer->setBuffer(0);
+				mVertexBuffer->flush();
 			}
 
 			if (do_bump)
@@ -1625,7 +1625,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 
 				if (map_range)
 				{
-					mVertexBuffer->setBuffer(0);
+					mVertexBuffer->flush();
 				}
 			}
 		}
@@ -1675,7 +1675,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 		
 		if (map_range)
 		{
-			mVertexBuffer->setBuffer(0);
+			mVertexBuffer->flush();
 		}
 	}
 		
@@ -1695,7 +1695,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 
 		if (map_range)
 		{
-			mVertexBuffer->setBuffer(0);
+			mVertexBuffer->flush();
 		}
 	}
 		
@@ -1715,7 +1715,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 
 		if (map_range)
 		{
-			mVertexBuffer->setBuffer(0);
+			mVertexBuffer->flush();
 		}
 	}
 	
@@ -1727,7 +1727,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 		LLVector4a::memcpyNonAliased16((F32*) weights, (F32*) vf.mWeights, num_vertices*4*sizeof(F32));
 		if (map_range)
 		{
-			mVertexBuffer->setBuffer(0);
+			mVertexBuffer->flush();
 		}
 	}
 
@@ -1757,7 +1757,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 
 		if (map_range)
 		{
-			mVertexBuffer->setBuffer(0);
+			mVertexBuffer->flush();
 		}
 	}
 
@@ -1796,7 +1796,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 
 		if (map_range)
 		{
-			mVertexBuffer->setBuffer(0);
+			mVertexBuffer->flush();
 		}
 	}
 	if (rebuild_tcoord)
diff --git a/indra/newview/llspatialpartition.cpp b/indra/newview/llspatialpartition.cpp
index db5e4a2fb5..cc92ab4539 100644
--- a/indra/newview/llspatialpartition.cpp
+++ b/indra/newview/llspatialpartition.cpp
@@ -320,7 +320,7 @@ void LLSpatialGroup::buildOcclusion()
 	}
 	
 	{
-		mOcclusionVerts->setBuffer(0);
+		mOcclusionVerts->flush();
 	}
 
 	clearState(LLSpatialGroup::OCCLUSION_DIRTY);
diff --git a/indra/newview/llsprite.cpp b/indra/newview/llsprite.cpp
index 4bde2dfcab..c3eb70f850 100644
--- a/indra/newview/llsprite.cpp
+++ b/indra/newview/llsprite.cpp
@@ -243,7 +243,7 @@ void LLSprite::updateFace(LLFace &face)
 		*indicesp++ = 3 + index_offset;
 	}
 
-	face.getVertexBuffer()->setBuffer(0);
+	face.getVertexBuffer()->flush();
 	face.mCenterAgent = mPosition;
 }
 
diff --git a/indra/newview/llviewerjointmesh.cpp b/indra/newview/llviewerjointmesh.cpp
index 59835028a1..331eb8b8f4 100644
--- a/indra/newview/llviewerjointmesh.cpp
+++ b/indra/newview/llviewerjointmesh.cpp
@@ -817,7 +817,7 @@ void LLViewerJointMesh::updateGeometryOriginal(LLFace *mFace, LLPolyMesh *mMesh)
 		}
 	}
 
-	buffer->setBuffer(0);
+	buffer->flush();
 }
 
 const U32 UPDATE_GEOMETRY_CALL_MASK			= 0x1FFF; // 8K samples before overflow
diff --git a/indra/newview/llviewerjointmesh_sse.cpp b/indra/newview/llviewerjointmesh_sse.cpp
index 400b49d046..00ed47e091 100644
--- a/indra/newview/llviewerjointmesh_sse.cpp
+++ b/indra/newview/llviewerjointmesh_sse.cpp
@@ -101,7 +101,7 @@ void LLViewerJointMesh::updateGeometrySSE(LLFace *face, LLPolyMesh *mesh)
 		((LLV4Matrix3)blend_mat).multiply(normals[index], o_normals[index]);
 	}
 
-	buffer->setBuffer(0);
+	buffer->flush();
 }
 
 #else
diff --git a/indra/newview/llviewerjointmesh_vec.cpp b/indra/newview/llviewerjointmesh_vec.cpp
index 6600d01d17..a8713b6f05 100644
--- a/indra/newview/llviewerjointmesh_vec.cpp
+++ b/indra/newview/llviewerjointmesh_vec.cpp
@@ -92,6 +92,6 @@ void LLViewerJointMesh::updateGeometryVectorized(LLFace *face, LLPolyMesh *mesh)
 		((LLV4Matrix3)blend_mat).multiply(normals[index], o_normals[index]);
 	}
 
-	buffer->setBuffer(0);
+	buffer->flush();
 #endif
 }
diff --git a/indra/newview/llviewershadermgr.cpp b/indra/newview/llviewershadermgr.cpp
index d1d3334fed..b0d97ee5f6 100644
--- a/indra/newview/llviewershadermgr.cpp
+++ b/indra/newview/llviewershadermgr.cpp
@@ -317,6 +317,7 @@ void LLViewerShaderMgr::initAttribsAndUniforms(void)
 		mReservedAttribs.push_back("weight");
 		mReservedAttribs.push_back("weight4");
 		mReservedAttribs.push_back("clothing");
+		mReservedAttribs.push_back("texture_index");
 
 		mAvatarUniforms.push_back("matrixPalette");
 		mAvatarUniforms.push_back("gWindDir");
diff --git a/indra/newview/llvoavatar.cpp b/indra/newview/llvoavatar.cpp
index 7c6a815def..2a670275a3 100644
--- a/indra/newview/llvoavatar.cpp
+++ b/indra/newview/llvoavatar.cpp
@@ -2142,7 +2142,7 @@ void LLVOAvatar::updateMeshData()
 			}
 
 			stop_glerror();
-			buff->setBuffer(0);
+			buff->flush();
 
 			if(!f_num)
 			{
@@ -4132,7 +4132,7 @@ U32 LLVOAvatar::renderSkinned(EAvatarRenderPass pass)
 			LLVertexBuffer* vb = mDrawable->getFace(0)->getVertexBuffer();
 			if (vb)
 			{
-				vb->setBuffer(0);
+				vb->flush();
 			}
 		}
 	}
diff --git a/indra/newview/llvoground.cpp b/indra/newview/llvoground.cpp
index ce256fdedf..0060f81ab5 100644
--- a/indra/newview/llvoground.cpp
+++ b/indra/newview/llvoground.cpp
@@ -162,7 +162,7 @@ BOOL LLVOGround::updateGeometry(LLDrawable *drawable)
 	*(texCoordsp++) = LLVector2(0.f, 1.f);
 	*(texCoordsp++) = LLVector2(0.5f, 0.5f);
 	
-	face->getVertexBuffer()->setBuffer(0);
+	face->getVertexBuffer()->flush();
 	LLPipeline::sCompiles++;
 	return TRUE;
 }
diff --git a/indra/newview/llvopartgroup.cpp b/indra/newview/llvopartgroup.cpp
index a4b0910c92..d7edc94c2f 100644
--- a/indra/newview/llvopartgroup.cpp
+++ b/indra/newview/llvopartgroup.cpp
@@ -513,7 +513,7 @@ void LLParticlePartition::getGeometry(LLSpatialGroup* group)
 		}
 	}
 
-	buffer->setBuffer(0);
+	buffer->flush();
 	mFaceList.clear();
 }
 
diff --git a/indra/newview/llvosky.cpp b/indra/newview/llvosky.cpp
index 29ca16ede6..d90c3be6c7 100644
--- a/indra/newview/llvosky.cpp
+++ b/indra/newview/llvosky.cpp
@@ -1267,7 +1267,7 @@ void LLVOSky::updateDummyVertexBuffer()
 	LLStrider<LLVector3> vertices ;
 	mFace[FACE_DUMMY]->getVertexBuffer()->getVertexStrider(vertices,  0);
 	*vertices = mCameraPosAgent ;
-	mFace[FACE_DUMMY]->getVertexBuffer()->setBuffer(0) ;
+	mFace[FACE_DUMMY]->getVertexBuffer()->flush();
 }
 //----------------------------------
 //end of fake vertex buffer updating
@@ -1351,7 +1351,7 @@ BOOL LLVOSky::updateGeometry(LLDrawable *drawable)
 			*indicesp++ = index_offset + 3;
 			*indicesp++ = index_offset + 2;
 
-			buff->setBuffer(0);
+			buff->flush();
 		}
 	}
 
@@ -1516,7 +1516,7 @@ BOOL LLVOSky::updateHeavenlyBodyGeometry(LLDrawable *drawable, const S32 f, cons
 	*indicesp++ = index_offset + 2;
 	*indicesp++ = index_offset + 3;
 
-	facep->getVertexBuffer()->setBuffer(0);
+	facep->getVertexBuffer()->flush();
 
 	if (is_sun)
 	{
@@ -2030,7 +2030,7 @@ void LLVOSky::updateReflectionGeometry(LLDrawable *drawable, F32 H,
 		}
 	}
 
-	face->getVertexBuffer()->setBuffer(0);
+	face->getVertexBuffer()->flush();
 }
 
 
diff --git a/indra/newview/llvosurfacepatch.cpp b/indra/newview/llvosurfacepatch.cpp
index 7e00350926..bc82b0df13 100644
--- a/indra/newview/llvosurfacepatch.cpp
+++ b/indra/newview/llvosurfacepatch.cpp
@@ -57,7 +57,7 @@ public:
 	};
 
 	// virtual
-	void setupVertexBuffer(U32 data_mask) const
+	void setupVertexBuffer(U32 data_mask)
 	{	
 		if (LLGLSLShader::sNoFixedFunction)
 		{ //just use default if shaders are in play
@@ -1122,7 +1122,7 @@ void LLTerrainPartition::getGeometry(LLSpatialGroup* group)
 		index_offset += facep->getGeomCount();
 	}
 
-	buffer->setBuffer(0);
+	buffer->flush();
 	mFaceList.clear();
 }
 
diff --git a/indra/newview/llvotree.cpp b/indra/newview/llvotree.cpp
index 4cef0f5b5b..6486fd24ea 100644
--- a/indra/newview/llvotree.cpp
+++ b/indra/newview/llvotree.cpp
@@ -858,7 +858,7 @@ BOOL LLVOTree::updateGeometry(LLDrawable *drawable)
 			slices /= 2; 
 		}
 
-		mReferenceBuffer->setBuffer(0);
+		mReferenceBuffer->flush();
 		llassert(vertex_count == max_vertices);
 		llassert(index_count == max_indices);
 	}
@@ -940,8 +940,8 @@ void LLVOTree::updateMesh()
 
 	genBranchPipeline(vertices, normals, tex_coords, indices, idx_offset, scale_mat, mTrunkLOD, stop_depth, mDepth, mTrunkDepth, 1.0, mTwist, droop, mBranches, alpha);
 	
-	mReferenceBuffer->setBuffer(0);
-	buff->setBuffer(0);
+	mReferenceBuffer->flush();
+	buff->flush();
 }
 
 void LLVOTree::appendMesh(LLStrider<LLVector3>& vertices, 
diff --git a/indra/newview/llvovolume.cpp b/indra/newview/llvovolume.cpp
index 3b31100305..c56a62a41b 100755
--- a/indra/newview/llvovolume.cpp
+++ b/indra/newview/llvovolume.cpp
@@ -4422,7 +4422,7 @@ void LLVolumeGeometryManager::rebuildMesh(LLSpatialGroup* group)
 		
 		for (std::set<LLVertexBuffer*>::iterator iter = mapped_buffers.begin(); iter != mapped_buffers.end(); ++iter)
 		{
-			(*iter)->setBuffer(0);
+			(*iter)->flush();
 		}
 
 		// don't forget alpha
@@ -4430,7 +4430,7 @@ void LLVolumeGeometryManager::rebuildMesh(LLSpatialGroup* group)
 		   !group->mVertexBuffer.isNull() && 
 		   group->mVertexBuffer->isLocked())
 		{
-			group->mVertexBuffer->setBuffer(0);
+			group->mVertexBuffer->flush();
 		}
 
 		//if not all buffers are unmapped
@@ -4446,7 +4446,7 @@ void LLVolumeGeometryManager::rebuildMesh(LLSpatialGroup* group)
 					LLVertexBuffer* buff = face->getVertexBuffer();
 					if (face && buff && buff->isLocked())
 					{
-						buff->setBuffer(0) ;
+						buff->flush();
 					}
 				}
 			} 
@@ -4852,7 +4852,7 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 			++face_iter;
 		}
 
-		buffer->setBuffer(0);
+		buffer->flush();
 	}
 
 	group->mBufferMap[mask].clear();
diff --git a/indra/newview/llvowater.cpp b/indra/newview/llvowater.cpp
index e70ac0a2e7..75198c465b 100644
--- a/indra/newview/llvowater.cpp
+++ b/indra/newview/llvowater.cpp
@@ -231,7 +231,7 @@ BOOL LLVOWater::updateGeometry(LLDrawable *drawable)
 		}
 	}
 	
-	buff->setBuffer(0);
+	buff->flush();
 
 	mDrawable->movePartition();
 	LLPipeline::sCompiles++;
diff --git a/indra/newview/llvowlsky.cpp b/indra/newview/llvowlsky.cpp
index 824cb8a15f..c26aefb28f 100644
--- a/indra/newview/llvowlsky.cpp
+++ b/indra/newview/llvowlsky.cpp
@@ -326,7 +326,7 @@ BOOL LLVOWLSky::updateGeometry(LLDrawable * drawable)
 
 		buildFanBuffer(vertices, texCoords, indices);
 
-		mFanVerts->setBuffer(0);
+		mFanVerts->flush();
 	}
 
 	{
@@ -388,7 +388,7 @@ BOOL LLVOWLSky::updateGeometry(LLDrawable * drawable)
 			buildStripsBuffer(begin_stack, end_stack,  vertices, texCoords, indices);
 
 			// and unlock the buffer
-			segment->setBuffer(0);
+			segment->flush();
 		}
 	}
 #else
@@ -468,7 +468,7 @@ BOOL LLVOWLSky::updateGeometry(LLDrawable * drawable)
 		}
 	}
 
-	mStripsVerts->setBuffer(0);
+	mStripsVerts->flush();
 #endif
 
 	updateStarColors();
@@ -826,6 +826,6 @@ BOOL LLVOWLSky::updateStarGeometry(LLDrawable *drawable)
 		*(colorsp++)    = LLColor4U(mStarColors[vtx]);
 	}
 
-	mStarsVerts->setBuffer(0);
+	mStarsVerts->flush();
 	return TRUE;
 }
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index 0fbe030832..28391bf423 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -6553,7 +6553,7 @@ void LLPipeline::renderBloom(BOOL for_snapshot, F32 zoom_factor, int subfield)
 		v[1] = LLVector3(-1,3,0);
 		v[2] = LLVector3(3,-1,0);
 				
-		buff->setBuffer(0);
+		buff->flush();
 
 		LLGLDisable blend(GL_BLEND);