MAINT-2968 Fix for crash on AMD hardware running current drivers.

1 files changed, 5 insertions, 17 deletions

diff --git a/indra/llrender/llvertexbuffer.cpp b/indra/llrender/llvertexbuffer.cpp
index f168b3af14..e6f20cd40e 100755
--- a/indra/llrender/llvertexbuffer.cpp
+++ b/indra/llrender/llvertexbuffer.cpp
@@ -91,7 +91,6 @@ LLVBOPool LLVertexBuffer::sDynamicIBOPool(GL_DYNAMIC_DRAW_ARB, GL_ELEMENT_ARRAY_
 
 U32 LLVBOPool::sBytesPooled = 0;
 U32 LLVBOPool::sIndexBytesPooled = 0;
-U32 LLVBOPool::sCurGLName = 1;
 
 std::list<U32> LLVertexBuffer::sAvailableVAOName;
 U32 LLVertexBuffer::sCurVAOName = 1;
@@ -125,16 +124,8 @@ U32 LLVBOPool::genBuffer()
 {
 	U32 ret = 0;
 
-	if (mGLNamePool.empty())
-	{
-		ret = sCurGLName++;
-	}
-	else
-	{
-		ret = mGLNamePool.front();
-		mGLNamePool.pop_front();
-	}
-
+	glGenBuffersARB(1, &ret);
+	
 	return ret;
 }
 
@@ -146,12 +137,9 @@ void LLVBOPool::deleteBuffer(U32 name)
 
 		glBindBufferARB(mType, name);
 		glBufferDataARB(mType, 0, NULL, mUsage);
-
-		llassert(std::find(mGLNamePool.begin(), mGLNamePool.end(), name) == mGLNamePool.end());
-
-		mGLNamePool.push_back(name);
-
 		glBindBufferARB(mType, 0);
+
+		glDeleteBuffersARB(1, &name);
 	}
 }
 
@@ -1333,7 +1321,7 @@ void LLVertexBuffer::allocateBuffer(S32 nverts, S32 nindices, bool create)
 		//actually allocate space for the vertex buffer if using VBO mapping
 		flush();
 
-		if (gGLManager.mHasVertexArrayObject && useVBOs() && (LLRender::sGLCoreProfile || sUseVAO))
+		if (gGLManager.mHasVertexArrayObject && useVBOs() && sUseVAO)
 		{
 #if GL_ARB_vertex_array_object
 			mGLArray = getVAOName();