Roll SwiftShader from ea6f21a052c9 to 97f9923235cf (4 revisions)

https://swiftshader.googlesource.com/SwiftShader.git/+log/ea6f21a052c9..97f9923235cf

2020-07-20 mark@chromium.org Fix macOS arm64 GN build by building llvm RWMutex.cpp
2020-07-20 ddorwin@google.com Update tests/presubmit.sh with modern syntax for Fuchsia bugs
2020-07-20 amaiorano@google.com Update to latest PowerVR to keep cmake source clean
2020-07-20 capn@google.com Support _PACK32 storage image formats and fix asserts

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/swiftshader-skia-autoroll
Please CC robertphillips@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/master/autoroll/README.md

Cq-Include-Trybots: skia/skia.primary:Test-Debian10-Clang-GCE-GPU-SwiftShader-x86_64-Debug-All-SwiftShader
Bug: None
Tbr: robertphillips@google.com
Change-Id: Ia3475191e4c067b7e618f623e2aa489991875042
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/304463
Reviewed-by: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
1 file changed