tree 5cc1448e7b33f1a64e9c24e48a4ade5672ae9b0b
parent cf52d711fbcbc7aa66e40c7524258d80d5efe444
author Jiawei Shao <jiawei.shao@intel.com> 1554797099 +0000
committer Commit Bot service account <commit-bot@chromium.org> 1554797099 +0000

Support multisampled rendering on Metal - Part I

This patch implements MSAA resolve on Metal backends with the store
action MTLStoreActionStoreAndMultisampleResolve. Note that this store
action is not supported on all Metal drivers. In the future we will
emulate it by doing MSAA resolve in another render pass.

The end2end tests ResolveIntoOneMipmapLevelOf2DTexture and
ResolveInto2DArrayTexture are temporarily disabled on Intel and NVidia
Metal drivers due to driver issues.

BUG=dawn:56
TEST=dawn_end2end_tests

Change-Id: I7e87aa344691c7d0a389aca80500c7b89a427ea3
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/5900
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Jiawei Shao <jiawei.shao@intel.com>