From a3ce9f680ae5553de6760a859582bfed7a08242f Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Thu, 23 Aug 2007 14:35:04 +0000
Subject: [PATCH] From Stephan Huber, fix for crash on exit

---
 src/osgViewer/Renderer.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/osgViewer/Renderer.cpp b/src/osgViewer/Renderer.cpp
index dd68a5921..327c3fc1a 100644
--- a/src/osgViewer/Renderer.cpp
+++ b/src/osgViewer/Renderer.cpp
@@ -306,7 +306,7 @@ void Renderer::draw()
 
     DEBUG_MESSAGE<<"draw() got SceneView "<<sceneView<<std::endl;
 
-    osg::GraphicsContext* compileContext = osg::GraphicsContext::getCompileContext(sceneView->getState()->getContextID());
+    osg::GraphicsContext* compileContext = sceneView ? osg::GraphicsContext::getCompileContext(sceneView->getState()->getContextID()) : 0;
     osg::GraphicsThread* compileThread = compileContext ? compileContext->getGraphicsThread() : 0;
 
     if (sceneView || _done)