Refactor GL objects into named and unnamed ones. Bug 20045861 Change-Id: Ib6a6625d3eb876a1444ae4dab17c6e25246fbc43 Reviewed-on: https://swiftshader-review.googlesource.com/2794 Tested-by: Nicolas Capens <capn@google.com> Reviewed-by: Alexis Hétu <sugoi@google.com> Reviewed-by: Nicolas Capens <capn@google.com>