A method and apparatus for shading polygons in a graphics rendering system is provided. The method includes the step of providing, for each polygon to be shaded, a polygon coordinate system defined by three normalized vectors which represent the X, Y and Z axes. A light source defining a three dimensional...http://www.google.fr/patents/US6624812?utm_source=gb-gplus-shareBrevet US6624812 - Method and apparatus for providing shading in a graphic display system
Method and apparatus for providing shading in a graphic display system
