zink: try copy_region hook for blits where we can't do a regular blit or resolve

in cases where the formats match, we can likely just pass this through for now

fixes a ton of spec@!opengl 1.1@depthstencil-default_fb-blit piglit tests

Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5888>
1 file changed