[Mesa-dev] [PATCH V3 00/11] ARB_texture_gather for i965 Gen7

[Chris Forbes]

This series adds support for ARB_texture_gather.

Patches 1-2 add the core mesa and GLSL compiler scaffolding for the extension;
Patches 3-5 add basic support to the i965 driver;
Patches 6-10 work around a hardware bug which causes incorrect sampling of 
R32G32_FLOAT surfaces;
Patch 11 turns everything on.

Tested on Ivybridge GT2; No regressions;
Passes all 1057 new ARB_texture_gather test cases.