An apparatus and methods for rendering 3D-graphics images preferably includes a port for receiving commands from a graphics application, an output for sending a rendered image to a display and a geometry-operations pipeline, coupled to the port and to the output, the geometry-operations pipeline including...http://www.google.com.mx/patents/US6577317?utm_source=gb-gplus-sharePatent US6577317 - Apparatus and method for geometry operations in a 3D-graphics pipeline
