On Thu, 31 May 2018 11:32:40 +0800 zou lan <[email protected]> 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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