Capture/Replay: test and handle renderbuffer gen-on-bind Bug: angleproject:6425 Change-Id: I591bf0fdfe2e7f83d7e02f63c8265234f7b85df6 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3295618 Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Cody Northrop <cnorthrop@google.com> Commit-Queue: Gert Wollny <gert.wollny@collabora.com>