[Intel-gfx] 945GM(E) screen rotation and slow GL.

[Clemens Eisserer]

> I've done tests in Second Life where the framerate in Linux is about
> 2x worse than in Windows.
Yes, the intel drivers perform pretty poor on Linux compared to their
Windows/OSX counterparts:
http://www.phoronix.com/scan.php?page=article&item=ubuntu_macosx&num=2

For games its usually 2-5x slower, so not really useful for anything
but compiz :-/

- Clemens