From 021484440c0918950609ada5e520b1abbab9ccd9 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Wed, 6 Oct 2010 19:09:48 +0000
Subject: [PATCH] Added #define GL_PROXY_TEXTURE_3D

---
 src/osg/glu/libutil/mipmap.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/osg/glu/libutil/mipmap.cpp b/src/osg/glu/libutil/mipmap.cpp
index f2c027872..2b9ff9399 100644
--- a/src/osg/glu/libutil/mipmap.cpp
+++ b/src/osg/glu/libutil/mipmap.cpp
@@ -35,6 +35,10 @@
 // simply define GLAPIENTRY as nothing so that we can keep function signatures the same as declaration.
 #define GLAPIENTRY
 
+#ifndef GL_PROXY_TEXTURE_3D
+    #define GL_PROXY_TEXTURE_3D 0x8070
+#endif
+
 // #include "gluos.h"
 // #include <GL/glu.h>