[PATCH 00/10] First Glamor core acceleration attempt

[Markus Wick]

Patch 1 seems to fix my issue on nvidia, so:
Tested-by: Markus Wick <markus at selfnet.de>

Patches 2-5 are:
Reviewed-by: Markus Wick <markus at selfnet.de>

Patches 7-9 are really nice, but there should be a glsl130+instancing 
fallback with another vertex format + shaders.

Patch 10 also have to check for gl extensions. We could fall back to r8 
textures, but the mi fallback also sounds fine, so:
Reviewed-by: Markus Wick <markus at selfnet.de>

But I get some broken renderings in xterm on nvidia because of the last 
patch. I guess it's because of the 0.5 offset.