[PATCH] Extend wl_surface protocol
james.dutton at gmail.com
Sun Nov 3 01:03:11 PDT 2013
On Nov 2, 2013 11:40 PM, "Axel Davy" <axel.davy at ens.fr> wrote:
> Here is another proposition to extend the protocol
> to allow video players to control better the time at
> which frames hit the screen.
> Contrary to the original proposition:
> I do not separate the new request in another interface.
> The first request: presentation_time is only an indication to the
> and the hit request is a similar feedback to the frame request, but the
> notification is when the frame hit the screen. That's why I don't think it
> should be difficult for some compositors to implement it, and don't feel
> need to separate it in another interface.
> The requests were designed to help implement the Present extension for
> XWayland. However the Present extension use Microseconds times, instead
> of Milliseconds.
> Any feedback is appreciated.
> I'm not English native, so if you feel some sentence are incorrect,
> please help me to correct them.
Just one question. Which clock is being used. Ideally a monotony one, or
even better, a configurable one. We would normally not want these
timestamps affected by the user changing the system time.
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