Bug 20891368

Change-Id: I492a3420facefed5a0ff7e469da54fd67bd68092
Reviewed-on: https://swiftshader-review.googlesource.com/3115Reviewed-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>
Tested-by: Nicolas Capens <capn@google.com>