From 66397b3962d1ae75e602d6bac849752add2a1201 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Thu, 5 Aug 2004 12:47:55 +0000
Subject: [PATCH] Changed the popProjectionMatrix so that it didn't allow
 modification on the near and far values when clamping the projection matrix.

---
 src/osgUtil/CullVisitor.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/osgUtil/CullVisitor.cpp b/src/osgUtil/CullVisitor.cpp
index 68463878e..55196d1b0 100644
--- a/src/osgUtil/CullVisitor.cpp
+++ b/src/osgUtil/CullVisitor.cpp
@@ -211,7 +211,10 @@ void CullVisitor::popProjectionMatrix()
         // so it doesn't cull them out.
         osg::Matrix& projection = *_projectionStack.back();
         
-        clampProjectionMatrix(projection, _computed_znear, _computed_zfar);
+        double tmp_znear = _computed_znear;
+        double tmp_zfar = _computed_zfar;
+        
+        clampProjectionMatrix(projection, tmp_znear, tmp_zfar);
     }
     else
     {