Roll third_party/externals/swiftshader 1c29477aa06e..5cf1e9a31c90 (6 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/1c29477aa06e..5cf1e9a31c90

git log 1c29477aa06e..5cf1e9a31c90 --date=short --first-parent --format='%ad %ae %s'
2020-03-30 capn@google.com Fix implicit narrowing cast
2020-03-30 capn@google.com Eliminate the legacy PowerVR SDK
2020-03-30 capn@google.com Integrate PowerVR OpenGL ES samples
2020-03-30 capn@google.com Fix completeness test of OpenGL ES immutable textures
2020-03-30 cwallez@google.com Revert "MetalSurface: set layer.device to a ref of the system default device."
2020-03-30 cwallez@cwallez-macbookpro3.roam.corp.google.com MetalSurface: set layer.device to a ref of the system default device.

Created with:
  gclient setdep -r third_party/externals/swiftshader@5cf1e9a31c90

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 michaelludwig@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/+/master/autoroll/README.md

Cq-Include-Trybots: skia/skia.primary:Test-Debian9-Clang-GCE-GPU-SwiftShader-x86_64-Debug-All-SwiftShader
Bug: None
Tbr: michaelludwig@google.com
Change-Id: I3dc5c3beb4de3846ac8cdb33bf8e37bbc6bb07af
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/280538
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