Bug 20891368

Change-Id: I1ca80709b945b4b7f7b82ad7b08d4a6f6d7da9b8
Reviewed-on: https://swiftshader-review.googlesource.com/3254Reviewed-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>
Tested-by: Nicolas Capens <capn@google.com>