Roll SwiftShader from 44be0942f9a8 to b042f4e70879 (15 revisions)

https://swiftshader.googlesource.com/SwiftShader.git/+log/44be0942f9a8..b042f4e70879

2020-09-29 caramelli.devel@gmail.com EGL_KHR_platform_x11: wrong implementation in CreatePlatformWindowSurface()
2020-09-29 caramelli.devel@gmail.com Add DirectFB support for Vulkan WSI
2020-09-29 srisser@google.com Add VK_KHR_imageless_framebuffer
2020-09-29 bclayton@google.com SpirvShaderDebugger: Mark II
2020-09-29 bclayton@google.com Vulkan/Debug: Support Locations as hashmap keys
2020-09-29 bclayton@google.com System/Types: Add support for vec3
2020-09-29 bclayton@google.com Pipeline: Remove hack to disable spirv-opt when debugging
2020-09-29 bclayton@google.com Vulkan/Debug: Add Context::Lock::findFile()
2020-09-29 bclayton@google.com src/Pipeline: Misc fixes
2020-09-29 bclayton@google.com Vulkan/Debug: Various fixes / improvements to Thread
2020-09-29 bclayton@google.com Vulkan/Debug: Don't accumulate function breakpoints
2020-09-29 bclayton@google.com Vulkan/Debug: Overhaul Values / Variables
2020-09-29 bclayton@google.com Vulkan/Debug: Assert on locking context twice on same thread
2020-09-29 bclayton@google.com Vulkan/Debug: Add File::getBreakpoints()
2020-09-29 bclayton@google.com Vulkan/Debug: Split EventListener

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 brianosman@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: brianosman@google.com
Change-Id: I3cf217681f99d8d0c8ed020897d97ccfca323dce
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/320859
Reviewed-by: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>

Author: skia-autoroll

DEPS

@@ -39,7 +39,7 @@ deps = {
   "third_party/externals/spirv-cross"     : "https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Cross@bdbef7b1f3982fe99a62d076043036abe6dd6d80",
   "third_party/externals/spirv-headers"   : "https://skia.googlesource.com/external/github.com/KhronosGroup/SPIRV-Headers.git@c0df742ec0b8178ad58c68cff3437ad4b6a06e26",
   "third_party/externals/spirv-tools"     : "https://skia.googlesource.com/external/github.com/KhronosGroup/SPIRV-Tools.git@e95fbfb1f509ad7a7fdfb72ac35fe412d72fc4a4",
-  "third_party/externals/swiftshader"     : "https://swiftshader.googlesource.com/SwiftShader@44be0942f9a8b965f877f294f1c2d8fb15f88ec6",
+  "third_party/externals/swiftshader"     : "https://swiftshader.googlesource.com/SwiftShader@b042f4e7087940a3c33074fba2b0fd875e1d64bd",
   #"third_party/externals/v8"              : "https://chromium.googlesource.com/v8/v8.git@5f1ae66d5634e43563b2d25ea652dfb94c31a3b4",
   "third_party/externals/wuffs"           : "https://skia.googlesource.com/external/github.com/google/wuffs.git@00cc8a50aa0c86b6bcb37e9ece8fb100047cc17b",
   "third_party/externals/zlib"            : "https://chromium.googlesource.com/chromium/src/third_party/zlib@eaf99a4e2009b0e5759e6070ad1760ac1dd75461",