[Dri-devel] More mga changes...

[<sy...@sc...>]

I commited some more stuff to the mga driver.
- fixed blending and logic ops
- some texturing stuff

Cvs log mails are still bouncing so I've attached them...

--=20
Ville Syrj=E4l=E4
sy...@sc...
http://www.sci.fi/~syrjala/