[Xorg] Damage/Composite + direct rendering clients

[Soeren Sandmann]

Andy Ritger <aritger at nvidia.com> writes:

> > What if another client has already grabbed the server for whatever
> > reason? Is screen updating then turned off?
> 
> If a client has grabbed the server, then requests from all other
> clients (including the XGrabServer request) are not processed until
> that client has ungrabbed the server.  The composite manager would
> block until the other client had ungrabbed.

But if the compositing manager is blocked, nothing appears on the
screen, right? This means screen updating is effectively turned off
when an application is grabbing the server.

Søren