Access binding pointer objects through operators. Bug 18962347 Change-Id: Ia28555a8b3e8923309e3a760d78fa276bd7b8c8d Reviewed-on: https://swiftshader-review.googlesource.com/1890 Reviewed-by: Nicolas Capens <capn@google.com> Tested-by: Nicolas Capens <capn@google.com>