Hi Robert -- osgShadow::ShadowMap no longer produces correct results for me in 2.3.x, though 2.2 still works fine. In 2.3.x, I now get the following displayed when I execute an app that uses ShadowMap: Error: glProgramParameteri not supported by OpenGL driver I'm reluctant to upgrade drivers as newer NVIDIA Windows drivers kill performance for occlusion query. Is there an environment variable that will make ShadowMap behave like it used to in 2.2? Thanks. Paul Martz Skew Matrix Software LLC http://www.skew-matrix.com <http://www.skew-matrix.com/> 303 859 9466
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