tree 24e593663a9e4b8d71801b6bfeed35f1c4d9d290
parent 1139d1c12ce1a13260ceddb7d425ff2ba2257845
author Li Hao <hao.x.li@intel.com> 1548838868 +0000
committer Commit Bot service account <commit-bot@chromium.org> 1548838868 +0000

Fix non-zero validation in Draw and DrawIndexed

Metal validation layer does not allow indexCount or instanceCount to be 0 in
drawIndexedPrimitives and drawPrimitives, otherwise we should draw nothing
with these operations.

BUG=dawn:76
TEST=dawn_end2end_tests

Change-Id: Ic22be73ac992289d4bc8d7b3d4d30d20c4488776
Reviewed-on: https://dawn-review.googlesource.com/c/3900
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>