intel: Use the GLSL-based meta clear when available.
authorEric Anholt <eric@anholt.net>
Sun, 17 Jul 2011 21:55:10 +0000 (14:55 -0700)
committerEric Anholt <eric@anholt.net>
Wed, 20 Jul 2011 18:03:26 +0000 (11:03 -0700)
commit540e66b3bebb5ae82422e386aa178147ea14a39e
tree47882a0789c2f1ec8b358548f77be28f786112b7
parenteee570290aebc8a339acd063033e3daefcef2bc6
intel: Use the GLSL-based meta clear when available.

Improves firefox-talos-gfx performance under GL when 3D clears are
enabled:
[  0]       gl-before     firefox-talos-gfx   20.193   20.251   0.27%    3/3
[  0]       gl-after      firefox-talos-gfx   18.013   18.040   0.19%    3/3
src/mesa/drivers/dri/intel/intel_clear.c