Bug 21635916

Change-Id: Ib6836cbc42fa4ceebf0af66b9891dde1491594c3
Reviewed-on: https://swiftshader-review.googlesource.com/3391Reviewed-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>
Tested-by: Nicolas Capens <capn@google.com>