From 543b2ee56e516abdceb338e7d8a00380525bc015 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Mon, 13 Dec 2010 17:09:31 +0000
Subject: [PATCH] Added resizeGLObjectBuffers(uint) and relaseGLObjects(State*)
 to BufferData.

---
 include/osg/BufferObject | 10 +++++++++-
 src/osg/BufferObject.cpp | 20 +++++++++++++++++++-
 2 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/include/osg/BufferObject b/include/osg/BufferObject
index 2632e3cbf..9b9205cb8 100644
--- a/include/osg/BufferObject
+++ b/include/osg/BufferObject
@@ -631,7 +631,15 @@ class OSG_EXPORT BufferData : public Object
         /** Get modified count value.*/
         inline unsigned int getModifiedCount() const { return _modifiedCount; }
 
-    protected:
+        /** Resize any per context GLObject buffers to specified size. */
+        virtual void resizeGLObjectBuffers(unsigned int maxSize);
+
+        /** If State is non-zero, this function releases OpenGL objects for
+          * the specified graphics context. Otherwise, releases OpenGL objects
+          * for all graphics contexts. */
+        void releaseGLObjects(State* state=0) const;
+
+protected:
 
         virtual ~BufferData();
 
diff --git a/src/osg/BufferObject.cpp b/src/osg/BufferObject.cpp
index bba71b187..f67e1d84a 100644
--- a/src/osg/BufferObject.cpp
+++ b/src/osg/BufferObject.cpp
@@ -1195,7 +1195,7 @@ void BufferObject::resizeGLObjectBuffers(unsigned int maxSize)
 
 void BufferObject::releaseGLObjects(State* state) const
 {
-    // OSG_NOTICE<<"BufferObject::releaseGLObjects("<<state<<")"<<std::endl;
+    OSG_INFO<<"BufferObject::releaseGLObjects("<<state<<")"<<std::endl;
     if (state)
     {
         unsigned int contextID = state->getContextID();
@@ -1334,6 +1334,24 @@ void BufferData::setBufferObject(BufferObject* bufferObject)
     _bufferIndex = _bufferObject.valid() ? _bufferObject->addBufferData(this) : 0;
 }
 
+void BufferData::resizeGLObjectBuffers(unsigned int maxSize)
+{
+    if (_bufferObject.valid())
+    {
+        _bufferObject->resizeGLObjectBuffers(maxSize);
+    }
+}
+
+void BufferData::releaseGLObjects(State* state) const
+{
+    OSG_INFO<<"BufferData::releaseGLObjects("<<state<<")"<<std::endl;
+    if (_bufferObject.valid())
+    {
+        _bufferObject->releaseGLObjects(state);
+    }
+}
+
+
 //////////////////////////////////////////////////////////////////////////////////
 //
 //  VertexBufferObject