Should RRGetCrtcInfo return panning bounds?
Matthias Hopf
mhopf at suse.de
Mon Jan 12 09:44:54 PST 2009
On Jan 09, 09 11:38:48 -0800, Keith Packard wrote:
> On Fri, 2009-01-09 at 10:59 -0800, Andy Ritger wrote:
> > Probably both the physical region currently scanned out by the CRTC,
> > as well as the panning region, are useful things for an RandR client
> > to query. I'm not sure how best to make both pieces of information
> > available.
>
> I'm thinking that if we ever send the physical region scanned by the
> CRTC, we should provide events that update it when panning occurs.
Isn't already a RRCrtcChangeNotify sent? I never verified that myself,
but I think in the context I thought I wanted them to be sent.
> Given that the usage model for panning requires that applications be
> allowed to fill the panning region, I'd say we should report that
> rectangle in the CrtcInfo (and Xinerama too). If the user wants a
> presentation that fills a monitor, they should set the panning region to
> match the monitor anyway.
Hm. Sounds logical. Still, the currently presented CRTC should be
queryable.
CU
Matthias
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