tree 0b780208b358dd310abd3d304066b65319508357
parent d589916ebc418acad24c576fd12d21d798d82508
author Brian Osman <brianosman@google.com> 1580829017 -0500
committer Skia Commit-Bot <skia-commit-bot@chromium.org> 1580830620 +0000

Ignore warnings when compiling MSL

If there are errors, newLibraryWithSource returns nil and fills
out error. If there are warnings, it returns the compiled library,
and fills out error.

With changes to invokeChild, some lighting shaders were compiling
with warnings (unused variables).

Bug: skia:9830
Change-Id: I93f9f88998c64c8b4dbd64b81b6b7ab08921b9d2
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/268622
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>