4 files changed, 30 insertions, 3 deletions
diff --git a/indra/llrender/llgl.cpp b/indra/llrender/llgl.cpp
index 42beddc5c7..570a0cbed1 100644
--- a/indra/llrender/llgl.cpp
+++ b/indra/llrender/llgl.cpp
@@ -60,6 +60,8 @@ BOOL gClothRipple = FALSE;
 BOOL gNoRender = FALSE;
 LLMatrix4 gGLObliqueProjectionInverse;
 
+#define LL_GL_NAME_POOLING 0
+
 LLGLNamePool::pool_list_t LLGLNamePool::sInstances;
 
 #if (LL_WINDOWS || LL_LINUX) && !LL_MESA_HEADLESS
@@ -1627,6 +1629,7 @@ void LLGLNamePool::cleanup()
 
 GLuint LLGLNamePool::allocate()
 {
+#if LL_GL_NAME_POOLING
 	for (name_list_t::iterator iter = mNameList.begin(); iter != mNameList.end(); ++iter)
 	{
 		if (!iter->used)
@@ -1642,18 +1645,33 @@ GLuint LLGLNamePool::allocate()
 	mNameList.push_back(entry);
 
 	return entry.name;
+#else
+	return allocateName();
+#endif
 }
 
 void LLGLNamePool::release(GLuint name)
 {
+#if LL_GL_NAME_POOLING
 	for (name_list_t::iterator iter = mNameList.begin(); iter != mNameList.end(); ++iter)
 	{
 		if (iter->name == name)
 		{
-			iter->used = FALSE;
-			return;
+			if (iter->used)
+			{
+				iter->used = FALSE;
+				return;
+			}
+			else
+			{
+				llerrs << "Attempted to release a pooled name that is not in use!" << llendl;
+			}
 		}
 	}
+	llerrs << "Attempted to release a non pooled name!" << llendl;
+#else
+	releaseName(name);
+#endif
 }
 
 //static
diff --git a/indra/llrender/llrender.cpp b/indra/llrender/llrender.cpp
index 4a87424bb8..9b116d6410 100644
--- a/indra/llrender/llrender.cpp
+++ b/indra/llrender/llrender.cpp
@@ -439,10 +439,16 @@ LLRender::LLRender()
 
 LLRender::~LLRender()
 {
+	shutdown();
+}
+
+void LLRender::shutdown()
+{
 	for (U32 i = 0; i < mTexUnits.size(); i++)
 	{
 		delete mTexUnits[i];
 	}
+	mTexUnits.clear();
 }
 
 void LLRender::translatef(const GLfloat& x, const GLfloat& y, const GLfloat& z)
diff --git a/indra/llrender/llrender.h b/indra/llrender/llrender.h
index 7896f6c922..5133f2804e 100644
--- a/indra/llrender/llrender.h
+++ b/indra/llrender/llrender.h
@@ -176,7 +176,8 @@ public:
 
 	LLRender();
 	~LLRender();
-
+	void shutdown();
+	
 	void translatef(const GLfloat& x, const GLfloat& y, const GLfloat& z);
 	void scalef(const GLfloat& x, const GLfloat& y, const GLfloat& z);
 	void pushMatrix();
diff --git a/indra/llrender/llvertexbuffer.cpp b/indra/llrender/llvertexbuffer.cpp
index 3f2eb61641..2414d2adff 100644
--- a/indra/llrender/llvertexbuffer.cpp
+++ b/indra/llrender/llvertexbuffer.cpp
@@ -195,6 +195,7 @@ void LLVertexBuffer::drawRange(U32 mode, U32 start, U32 end, U32 count, U32 indi
 
 	glDrawRangeElements(sGLMode[mode], start, end, count, GL_UNSIGNED_SHORT, 
 		((U16*) getIndicesPointer()) + indices_offset);
+	stop_glerror();
 }
 
 void LLVertexBuffer::draw(U32 mode, U32 count, U32 indices_offset) const
@@ -246,6 +247,7 @@ void LLVertexBuffer::drawArrays(U32 mode, U32 first, U32 count) const
 	}
 
 	glDrawArrays(sGLMode[mode], first, count);
+	stop_glerror();
 }
 
 //static