From dc4f65a2ec1fdd65a77223baaadec38ba38c3bb6 Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Wed, 30 Nov 2022 14:22:10 -0600
Subject: SL-18745 Fix for LLVertexBuffer assertion on shutdown.

---
 indra/newview/llreflectionmapmanager.cpp | 23 +++++++++++++++++++++++
 indra/newview/llreflectionmapmanager.h   |  3 +++
 indra/newview/pipeline.cpp               |  2 ++
 3 files changed, 28 insertions(+)

(limited to 'indra/newview')

diff --git a/indra/newview/llreflectionmapmanager.cpp b/indra/newview/llreflectionmapmanager.cpp
index 8282aa2507..e8ad813ed2 100644
--- a/indra/newview/llreflectionmapmanager.cpp
+++ b/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;
+}
diff --git a/indra/newview/llreflectionmapmanager.h b/indra/newview/llreflectionmapmanager.h
index e0a2c00db3..4e2ff7c751 100644
--- a/indra/newview/llreflectionmapmanager.h
+++ b/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();
 
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index 0f348e4bc4..2d4db48ac5 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -659,6 +659,8 @@ void LLPipeline::cleanup()
 	mDeferredVB = NULL;
 
 	mCubeVB = NULL;
+
+    mReflectionMapManager.cleanup();
 }
 
 //============================================================================
-- 
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