From 8961d45ebf1bcb3f537f65d9abd1214305ea2f2a Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Wed, 29 Aug 2012 16:48:27 +0000
Subject: [PATCH] From Wang Rui, "This patch fixes a problem of the
 osg::Program serializers that can't save/load GeometryInputType data
 correctly. The bug is initially found by John Kelso."

---
 src/osgWrappers/serializers/osg/Program.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/osgWrappers/serializers/osg/Program.cpp b/src/osgWrappers/serializers/osg/Program.cpp
index 809be7c43..9548512d4 100644
--- a/src/osgWrappers/serializers/osg/Program.cpp
+++ b/src/osgWrappers/serializers/osg/Program.cpp
@@ -32,7 +32,7 @@ PROGRAM_LIST_FUNC( FragDataBinding, FragDataBindingList, BindFragDataLocation )
 
 #define PROGRAM_PARAMETER_FUNC( PROP, NAME ) \
     static bool check##PROP(const osg::Program& attr) \
-    { return attr.getParameter(NAME)!=GL_NONE; } \
+    { return true; } \
     static bool read##PROP(osgDB::InputStream& is, osg::Program& attr) { \
         int value; is >> is.PROPERTY(#NAME) >> value; \
         attr.setParameter(NAME, value); \