Shrek Shao b0a5ed49b1 Pipeline overridable constants: Metal backend
Also gate Dawn metal behind MacOS 10.12+

Bug: dawn:1136, dawn:1181
Change-Id: Id7bfaa2953b1acf08f37e6a08ddeadd9cde44657
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/67421
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Shrek Shao <shrekshao@google.com>
2021-11-04 18:43:10 +00:00
..
2021-11-02 09:30:52 +00:00