A method, apparatus, and system are described for rasterizing a triangle. Pixel parameter values are interpolated by adding or subtracting a vertical delta and/or by adding or subtracting a horizontal delta within a 44 tile of 16 pixels....http://www.google.fr/patents/US6765576?utm_source=gb-gplus-shareBrevet US6765576 - Tile-based digital differential analyzer rasterization
Tile-based digital differential analyzer rasterization
