i965: Use last vertex convention for quad provoking vertex on sandybridge
authorZhenyu Wang <zhenyuw@linux.intel.com>
Tue, 4 Jan 2011 07:25:43 +0000 (15:25 +0800)
committerZhenyu Wang <zhenyuw@linux.intel.com>
Tue, 4 Jan 2011 07:56:26 +0000 (15:56 +0800)
commitbea6539abff17f39c822ac9c1c94f8249c396b18
treeb9c7f13ab6d87dfa0e34deae2b3788a883b40b3d
parent9095947fa7359b2add06d1111337136bcd3d9bbc
i965: Use last vertex convention for quad provoking vertex on sandybridge

Until we know how hw converts quads to polygon in beginning of
3D pipeline, for now unconditionally use last vertex convention.

Fix glean/clipFlat case.
src/mesa/drivers/dri/i965/brw_context.c