unique id for wayland objects

[Pekka Paalanen]

On Thu, 31 May 2018 11:32:40 +0800
zou lan <nancy.lan.zou at gmail.com> wrote:

> >>The intended behaviour is that Weston repaints at most once for each
> >>display refresh cycle, the deadline being 7 ms (if using the default
> >>value of repaint-window) before the next vblank. In other words, there
> >>should be a significant delay (say, 50-90% of a refresh period) between
> >>receiving the pageflip event and repaint.  
> I can't understand this. I use weston 1.9 now, the repaint_msc is 7ms.
> our code always execute output_repaint_timer_handler() as soon as possible
> because msec always lower than 1ms. Why there is delay?

Hi Nancy,

the intention of the deliberate delay is explained in depth here:
http://ppaalanen.blogspot.com/2015/02/weston-repaint-scheduling.html


Thanks,
pq
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