From 40caedc7cd5e9eeac275c5728a069ce539d44ef2 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Mon, 22 Feb 2016 09:19:51 +0000
Subject: [PATCH] From Anish Thomas, "Underflow bug in BufferObject pool usage"

---
 src/osg/BufferObject.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/osg/BufferObject.cpp b/src/osg/BufferObject.cpp
index f23386970..828cf7b9d 100644
--- a/src/osg/BufferObject.cpp
+++ b/src/osg/BufferObject.cpp
@@ -188,11 +188,13 @@ void GLBufferObject::compileBuffer()
     {
         OSG_INFO<<"newTotalSize="<<newTotalSize<<", _profile._size="<<_profile._size<<std::endl;
 
+        unsigned int sizeDifference = newTotalSize - _profile._size;
         _profile._size = newTotalSize;
 
         if (_set)
         {
             _set->moveToSet(this, _set->getParent()->getGLBufferObjectSet(_profile));
+            _set->getParent()->getCurrGLBufferObjectPoolSize() += sizeDifference;
         }
 
     }