A clip testing unit within a graphics accelerator for comparing a value of a given homogeneous coordinate of a vertex position of a polygon relative to a plurality of clipping planes. The plurality of clipping planes includes both regular and guard band clipping planes. The clip testing unit...http://www.google.es/patents/US6169554?utm_source=gb-gplus-sharePatente US6169554 - Clip testing unit for a three-dimensional graphics accelerator
Clip testing unit for a three-dimensional graphics accelerator
