Patch 2922071, extended. Avoid crashes for unsupported compositors and hide them in the interface.
Patch 2922071, extended. Avoid crashes for unsupported compositors and hide them in the interface.

paroj/ogre,paroj/ogre,RealityFactory/ogre,RealityFactory/ogre,OGRECave/ogre,RealityFactory/ogre,paroj/ogre,OGRECave/ogre,OGRECave/ogre,RealityFactory/ogre,paroj/ogre,OGRECave/ogre,OGRECave/ogre,paroj/ogre,RealityFactory/ogre