One embodiment of the present invention sets forth a method for implementing occlusion testing prior to processing a primitive command. The method includes the steps of determining that an occlusion test should be performed on an enclosed primitive, saving the primitive command on a deferred list, and...http://www.google.de/patents/US7425956?utm_source=gb-gplus-sharePatent US7425956 - System and method for occlusion testing with deferred rendering
