Bug 20891368

Change-Id: I9e45baa999eef62452c8ee467b1be69998f74187
Reviewed-on: https://swiftshader-review.googlesource.com/3091Reviewed-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>
Tested-by: Nicolas Capens <capn@google.com>