John is a genius. No doubt about it. But he didn't come up with it, he just recognized it as a useful optimization: http://www.beyond3d.com/content/articles/8/

John is a genius. No doubt about it. But he didn't come up with it, he just recognized it as a useful optimization: http://www.beyond3d.com/content/articles/8/ http://www.beyond3d.com/content/articles/8/