From ec63cfd930413dcc0b61ab4144aced3e297a3aa5 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Wed, 11 Mar 2009 13:08:12 +0000
Subject: [PATCH] From Mathias Froehlich, "small addition to osg::Texture to
 include all possible depth test variants for the shadow depth comparison."

---
 include/osg/Texture | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/include/osg/Texture b/include/osg/Texture
index 986d375d2..4786ad37e 100644
--- a/include/osg/Texture
+++ b/include/osg/Texture
@@ -511,8 +511,14 @@ class OSG_EXPORT Texture : public osg::StateAttribute
         void setShadowComparison(bool flag) { _use_shadow_comparison = flag; }
 
         enum ShadowCompareFunc {
+            NEVER = GL_NEVER,
+            LESS = GL_LESS,
+            EQUAL = GL_EQUAL,
             LEQUAL = GL_LEQUAL,
-            GEQUAL = GL_GEQUAL
+            GREATER = GL_GREATER,
+            NOTEQUAL = GL_NOTEQUAL,
+            GEQUAL = GL_GEQUAL,
+            ALWAYS = GL_ALWAYS
         };
 
         /** Sets shadow texture comparison function. */