Roll SwiftShader from f12305c3a0d9 to ff91ac52f4b7 (6 revisions)

https://swiftshader.googlesource.com/SwiftShader.git/+log/f12305c3a0d9..ff91ac52f4b7

2021-11-30 capn@google.com Prevent exit-time destructors in src/WSI, Pipeline, and System
2021-11-30 capn@google.com Update SPIR-V Tools to d0a827a9f
2021-11-30 capn@google.com Update SPIR-V Headers to 20b02de99
2021-11-30 capn@google.com Don't handle vendor-specific SPIR-V instructions
2021-11-30 capn@google.com Don't consider OpType* instructions to be statements
2021-11-30 capn@google.com Eliminate SpirvShaderInstructions.inl

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 tdenniston@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in SwiftShader: https://bugs.chromium.org/p/swiftshader/issues/entry
To file a bug in Skia: https://bugs.chromium.org/p/skia/issues/entry

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/main/autoroll/README.md

Cq-Include-Trybots: skia/skia.primary:Test-Debian10-Clang-GCE-GPU-SwiftShader-x86_64-Debug-All-SwiftShader
Bug: None
Tbr: tdenniston@google.com
Change-Id: I3787b8c52e03461b885ec4ae97fbc99a399f729f
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/478204
Commit-Queue: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
1 file changed