wayland: how should dispatch the default wayland display queue?

[Eugen Friedrich]

O thanks for the hint about mailing list,
and for clarification on the dispatching logic(I'm not original English
speaker and assume "havok" is like behavior? )



2014-07-27 21:33 GMT+02:00 Giulio Camuffo <giuliocamuffo at gmail.com>:

> FIY, You dropped the mailing list in your reply.
>
> 2014-07-27 22:15 GMT+03:00 Eugen Friedrich <friedrix at gmail.com>:
> > The problem is the app never calls  wl_display_distpath(_pending)
> > it just creates native handles and then uses EGL for rendering and the
> > events on the main wayland display queue are never dispatched
> >
> > I think if EGL triggers the event(ba calling wl_diplay_sync) it should be
> > also responsible for dispatching
>
> EGL should not dispatch the main queue, that would break havok in the
> apps. What you should do is dispatch the main queue in your app's main
> loop.
>
> >
> >
> >
> > 2014-07-27 20:42 GMT+02:00 Giulio Camuffo <giuliocamuffo at gmail.com>:
> >
> >> 2014-07-27 21:14 GMT+03:00 Eugen Friedrich <friedrix at gmail.com>:
> >> > Hi all,
> >> >
> >> > after debugging a memory consumption issue in simple wayland
> application
> >> > i
> >> > found a issue in our wayland graphics backend. Then i took a look into
> >> > the
> >> > mesa implementation and found the quite similar implementation there.
> >> >
> >> > Our graphics stack creates it's own wayland queue and uses this queue
> >> > for
> >> > all wayland objects and only this queue will be dispatched. Our
> graphics
> >> > stack calls also wl_display_sync api and the issue is that the wayland
> >> > library will send a delete event which will go to the default queue of
> >> > wayland display but this is never dispatched from the driver and the
> >> > memory
> >> > consumption increases.
> >> >
> >> > So should the graphics stack dispatch also the default queue or should
> >> > application call somewhere wl_display_dispatch_pending?
> >>
> >> I don't see why the memory consumption should increase. The app should
> >> call wl_display_distpath(_pending) in its main loop, but I'm afraid i
> >> don't quite understand your problem.
> >>
> >> --
> >> Giulio
> >>
> >>
> >> >
> >> > _______________________________________________
> >> > wayland-devel mailing list
> >> > wayland-devel at lists.freedesktop.org
> >> > http://lists.freedesktop.org/mailman/listinfo/wayland-devel
> >> >
> >
> >
>
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