Roll SwiftShader from 6aad52e1aef6 to 8ed4e39caa5b (9 revisions)

https://swiftshader.googlesource.com/SwiftShader.git/+log/6aad52e1aef6..8ed4e39caa5b

2021-08-30 srisser@google.com Turn BC6 constructors into constexpr
2021-08-26 capn@google.com Implement VK_EXT_load_store_op_none
2021-08-26 capn@google.com Refactor determining the aspects to clear
2021-08-26 capn@google.com Refactor command execution
2021-08-25 capn@google.com Update Vulkan headers to version 1.2.189
2021-08-25 capn@google.com Eliminate custom Vulkan constants
2021-08-25 srisser@google.com Don't use global variables for CPUID
2021-08-25 srisser@google.com Remove global constructor from BC6
2021-08-23 capn@google.com Fix Subzero Optimizer run time variability

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 fmalita@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: fmalita@google.com
Change-Id: I36907737395e5c559bd836e4e889527ef98d7fb4
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/443761
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