Jiawei Shao 0bc168ed58 Support multisampled rendering on OpenGL
This patch adds the support of multisampled rendering on OpenGL backends
and the related end2end tests to test all new features implemented in
this patch.

BUG=dawn:56
TEST=dawn_end2end_tests

Change-Id: I91e462178ee39041ef591503c33c70db511775e9
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/5880
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Commit-Queue: Kai Ninomiya <kainino@chromium.org>
2019-03-28 14:18:11 +00:00
..