From e534e4d1ed5299408deaad6ac201c3589bc78c28 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Sat, 30 Jul 2005 18:44:18 +0000
Subject: [PATCH] Added setStateSet(0) to destructors to force the problem
 clean up of attached StateSets.

---
 src/osg/Drawable.cpp | 3 +++
 src/osg/Node.cpp     | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/src/osg/Drawable.cpp b/src/osg/Drawable.cpp
index d2ea9a2cf..61fdf1795 100644
--- a/src/osg/Drawable.cpp
+++ b/src/osg/Drawable.cpp
@@ -299,6 +299,9 @@ Drawable::Drawable(const Drawable& drawable,const CopyOp& copyop):
 
 Drawable::~Drawable()
 {
+    // cleanly detatch any associated stateset (include remove parent links)
+    setStateSet(0);
+
     dirtyDisplayList();
 }
 
diff --git a/src/osg/Node.cpp b/src/osg/Node.cpp
index 7043eef6a..6cddd0318 100644
--- a/src/osg/Node.cpp
+++ b/src/osg/Node.cpp
@@ -57,6 +57,8 @@ Node::Node(const Node& node,const CopyOp& copyop):
 
 Node::~Node()
 {
+    // cleanly detatch any associated stateset (include remove parent links)
+    setStateSet(0);   
 }
 
 void Node::addParent(osg::Group* node)