Phoronix: Mac Graphics Drivers Are Still Troubled

While the Mesa / Gallium3D graphics drivers on Linux leave a lot to be desired, in terms of features, supporting the latest OpenGL specifications, and performance compared to the multi-platform proprietary Linux and Windows drivers from NVIDIA and AMD, the Mac drivers aren't too much better...

http://www.phoronix.com/vr.php?view=OTI0OA