Roll src/third_party/swiftshader 1e3222332c96..19a0081c68a9 (4 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/1e3222332c96..19a0081c68a9


git log 1e3222332c96..19a0081c68a9 --date=short --no-merges --format='%ad %ae %s'
2019-05-18 capn@google.com Fix cubemap sampling at (0, 0, 0) division by zero
2019-05-18 capn@google.com Allow four texture coordinates
2019-05-18 capn@google.com Fix OpImageSampleProjDref
2019-05-18 capn@google.com Fix baseMipLevel usage


Created with:
  gclient setdep -r src/third_party/swiftshader@19a0081c68a9

The AutoRoll server is located here: https://autoroll.skia.org/r/swiftshader-chromium-autoroll

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

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

CQ_INCLUDE_TRYBOTS=luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel

BUG=chromium:b/132981873
TBR=swiftshader-team+autoroll@google.com

Change-Id: I5cc78bf1b608c62791e50a9ef76239189808baea
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1618623Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#661144}

DEPS

@@ -149,7 +149,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.
-  'swiftshader_revision': '1e3222332c963efe4dfeedbd014abbeb2e88e919',
+  'swiftshader_revision': '19a0081c68a9d95f5dbe8fb4dd190cf05d572317',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling PDFium
   # and whatever else without interference from each other.