tree 1c2afafff8ac5394c31a30a9a801eb0692768e80
parent 649774b686bd91700d391a52ecce7e4c1afca656
author Jim Van Verth <jvanverth@google.com> 1562874053 -0400
committer Skia Commit-Bot <skia-commit-bot@chromium.org> 1562878644 +0000

Enable MSAA for Metal.

Adds a separate resolve texture to GrMtlRenderTarget, which can be used
to do a resolve for the main multisample color texture. The resolve is
handled by setting a special Store action for the RenderCommandEncoder.

Bug: skia:8243
Change-Id: I1ffd756c01a9b363116ffefee2c4c50ba9a3e637
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/225536
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Jim Van Verth <jvanverth@google.com>