"I actually think Direct3D is a rather better API today. [For example], Direct3D handles multi-threading better, [while] newer versions manage state better," Ca

"I actually think Direct3D is a rather better API today. [For example], Direct3D handles multi-threading better, [while] newer versions manage state better," Carmack told Custom PC. http://www.google.com/search?q=carmack+prefers+direct3d http://www.google.com/search?q=carmack+prefers+direct3d :)