From Julien Valentin, "To sum up changes, I had:

-some extensions in GLExtensions
  - GL_TEXTURE_BUFFER as target in osg::StateSet
  - a VBO based transform feed back example
"


git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14651 16af8721-9629-0410-8352-f15c8da7e697

src/osg/StateSet.cpp

@@ -50,6 +50,7 @@ class TextureGLModeSet
             _textureModeSet.insert(GL_TEXTURE_1D);
             _textureModeSet.insert(GL_TEXTURE_2D);
             _textureModeSet.insert(GL_TEXTURE_3D);
+            _textureModeSet.insert(GL_TEXTURE_BUFFER_ARB);
 
             _textureModeSet.insert(GL_TEXTURE_CUBE_MAP);
             _textureModeSet.insert(GL_TEXTURE_RECTANGLE_NV);