tree 4a415684226b993f623f88e10cb177e3bc660223
parent 1cdb01d716cb8112c67f8538f7d71d0765153eb2
author Ilia Mirkin <imirkin@alum.mit.edu> 1428385325 -0400
committer Ilia Mirkin <imirkin@alum.mit.edu> 1429396042 -0400

indices: fix provoking vertex for quads/quadstrips

This allows drivers to provide consistent flat shading for quads.
Otherwise a driver that only supported tris would have to force last
provoking vertex when drawing quads (and would have to say that quads
don't follow the provoking vertex convention).

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Rob Clark <robclark@freedesktop.org>