A method for sharing an application is disclosed. The method includes determining a position and a size of a non-OpenGL region of a shared application window by monitoring function calls made by the application, determining a position and a size of an OpenGL region of a shared application window by monitoring...http://www.google.co.uk/patents/US20020174181?utm_source=gb-gplus-sharePatent US20020174181 - Sharing OpenGL applications using application based screen sampling
