I wrote about this a few years ago (https://fabiensanglard.net/polygon_codec/index.php https://fabiensanglard.net/polygon_codec/index.php). It was a pain to le

I wrote about this a few years ago (https://fabiensanglard.net/polygon_codec/index.php https://fabiensanglard.net/polygon_codec/index.php). It was a pain to lean indeed and the best resources were quite old: - "CLIPPING USING HOMOGENEOUS COORDINATES" by James F. Blinn and Martin E. Newell - A Trip Down the Graphics Pipeline by Jim Blinn (yes the same Blinn that co-authored the paper above).