SL-18745 Fix for LLVertexBuffer assertion on shutdown.

indra/newview/llreflectionmapmanager.cpp

@@ -918,3 +918,26 @@ void LLReflectionMapManager::initReflectionMaps()
         mVertexBuffer = buff;
     }
 }
+
+void LLReflectionMapManager::cleanup() 
+{ 
+    mVertexBuffer = nullptr;
+    mRenderTarget.release();
+
+    mMipChain.clear();
+
+    mTexture = nullptr;
+    mIrradianceMaps = nullptr;
+
+    mProbes.clear();
+    mKillList.clear();
+    mCreateList.clear();
+
+    mReflectionMaps.clear();
+    mUpdatingFace = 0;
+    
+    mDefaultProbe = nullptr;
+
+    glDeleteBuffers(1, &mUBO);
+    mUBO = 0;
+}

indra/newview/llreflectionmapmanager.h

@@ -58,6 +58,9 @@ public:
     // allocate an environment map of the given resolution 
     LLReflectionMapManager();
 
+    // release any GL state 
+    void cleanup();
+
     // maintain reflection probes
     void update();
 

indra/newview/pipeline.cpp

@@ -659,6 +659,8 @@ void LLPipeline::cleanup()
 	mDeferredVB = NULL;
 
 	mCubeVB = NULL;
+
+    mReflectionMapManager.cleanup();
 }
 
 //============================================================================