radv: Make color meta operations layout aware.

radv: Make color meta operations layout aware.

For fast clear eliminate and decompressions, we always use the most compressed
format.

For clears, the code already creates a renderpass on demand with the exact same
layout as specified.

Otherwise we start distinguishing between GENERAL and TRANSFER_DST_OPTIMAL.

Reviewed-by: Dave Airlie <airlied@redhat.com>
Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>