自由空间,实现思想的自由之地

Long time ago, there's no GPU for computer system. Game will use CPU to draw all graphics. Later, GPU come out, it has all functions with hardware chips, all need to be configured to make it work as e

1. TheoryPhysically-based rendering is a theory to shade based on physical lighting theory instead of artist painting. That means it's more accurate. Artist need to suit for new pipeline and discr