AMD/ATI GPU docs part 3 now available

[Dieter]

ATI has released part 3 of the GPU docs.

3D for R300,400,500
(3D for R600 coming soon.)

"The 3D programming documentation today is 300 pages and is
 made up of a programming guide and register specifications.
 Among the areas covered in this 3D guide are the command
 processor, vertex shaders, fragment shaders, Hyper-Z, and the
 various 3D registers."

Docs are available here:

	http://ati.amd.com/developer/open_gpu_documentation.html
	http://www.x.org/docs/AMD/

Some commentary here:

	http://www.phoronix.com/scan.php?page=article&item=amd_tcore_release&num=1