[PATCH 10/14] dix: Add PostDispatchCallback

[Keith Packard]

Adam Jackson <ajax at redhat.com> writes:

> This is required to Xineramify the Damage extension, since we need to
> collect regions across screens.  You can't quite use FlushCallback for
> this since WriteEventsToClient can itself trigger FlushCallback and you
> recurse.
>
> There are probably other cases where this would be useful though, for
> example some of our abuse of BlockHandler may want to move to this
> callback.

I'm not a fan, but your damage case doesn't readily admit to other
solutions.

Reviewed-by: Keith Packard <keithp at keithp.com>

-- 
keith.packard at intel.com
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