Hello Ander, Thanks for the pointers. I shall have a look as you suggested.
On Wed, Sep 12, 2012 at 12:53 AM, Ander Conselvan de Oliveira < conselv...@gmail.com> wrote: > On 09/11/2012 05:48 PM, Abhijit Potnis wrote: > >> > Repaint is supposed to be as-needed only, not periodical, but >> clearly >> > some trigger is missing. Maybe a new surface is not assigned an >> output >> > until redraw, and redraw does not happen until there is damage, and >> > damage is not applied, if the window is not mapped? Or something >> like >> > that, chicken-and-egg problem with assigning an output. A wild >> guess... >> > >> >> >> Ya, I too feel so. I see that the final weston_output_finish_frame() >> call after >> a client is killed arrives with output->repaint_needed set to 0, and >> hence >> weston_output_repaint is not called. >> > > If there is nothing else updating the screen you would see this happen > when the first frame without the killed surface is shown on the screen. So > this is expect, although it seems you're getting this one frame too early. > > > How does the window unmap-ing >> process occur ? Is this expected ? >> > > Unmapping a surface involves damaging the area below the surface so it > gets repainted on the next frame, removing the surface from the surface > list, resetting keyboard and pointer focus if appropriate and scheduling a > repaint. All this is done in weston_surface_unmap(). > > It seems the problem you are seeing is caused by a failure to schedule a > repaint. Looking at weston_surface_schedule_**repaint(), the only > possible explanation for the failure would be the surface having a bad > output_mask. So I would advise you to first verify if the output_mask is > valid (i.e., the bits for the outputs the surface is in are set, should be > 1 if you have just one output) and if that is invalid, try to figure out > why you end up with a bad value. You probably want to look at > weston_surface_assign_output() for that. > > Cheers, > Ander > -- Regards, Abhijit Potnis
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