Bug 20891368

Change-Id: Icc0957db55cf82e42c0ccb2c8881332f71f52f5f
Reviewed-on: https://swiftshader-review.googlesource.com/3993Tested-by: Nicolas Capens <capn@google.com>
Reviewed-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>