| Re: [AD] A few minor things |
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On April 16, 2010, Evert Glebbeek wrote:
> On 16 Apr 2010, at 20:53 , Trent Gamblin wrote:
> > Looking for feedback on all of these things. If people
> > agree they're useful I can come up with an API and see
> > what everyone thinks of it then.
> >
> > This could be a 5.2 set of features, I would have no
> > problem with that.
>
> In that case, sounds good!
Indeed.
For the rotation support, shouldn't be a problem for X, xrandr lets you get
events on display changes, including rotates, so it'd be pretty easy to
manage. Can also query current state[1].
[1] currently the code cheats and doesn't keep any graphics state other than
the detected outputs which only change on display hotplug. Managing rotation
state would probably mean the xrandr code would need to be updated a bit. It
would have to register for several xrandr events and handle them
accordingly, instead of the current "query crtc, change settings, set crtc"
code it currently has. Why you ask? xrandr will reject setting changes if
the state you have is "stale", so you have to keep track of changes, or
always just re query.
> Evert
>
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Thomas Fjellstrom
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