86df05eb26
The copySubBuffer functionality always attempted a server side blit from back to fake front if a fake front was present, and we weren't displaying on a remote GPU. Now that we always have local blit capability on modern drivers, first attempt a local blit, and only if that fails, try the server blit. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> Reviewed-by: Axel Davy <axel.davy@normalesup.org>