Binning polygons in a three-dimensional graphics system includes constructing a first bounding box around a first-level polygon, the first bounding box including tiles that contain the first-level polygon, subdividing the first-level polygon into second-level polygons if the first bounding box exceeds...http://www.google.fr/patents/US6975318?utm_source=gb-gplus-shareBrevet US6975318 - Polygon binning process for tile-based rendering
