Bug 20891368

Change-Id: I3b7066f20f0e669dc1d3abe9222654318ae3b011
Reviewed-on: https://swiftshader-review.googlesource.com/3114Reviewed-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>
Tested-by: Nicolas Capens <capn@google.com>