Re: Leak when "drawing too fast"
Re: Leak when "drawing too fast"
- Subject: Re: Leak when "drawing too fast"
- From: Kyle Sluder <email@hidden>
- Date: Fri, 26 Jul 2013 08:11:21 -0700
On Fri, Jul 26, 2013, at 03:41 AM, Uli Kusterer wrote:
> On Jul 25, 2013, at 20:26, Andreas Mayer <email@hidden> wrote:
> > Am 25.07.2013 um 19:36 schrieb Uli Kusterer <email@hidden>:
> >
> >> Have you considered using a display link callback instead of a timer?
> >
> > Yes. Moving to the display link callback was when I noticed the issue in the first place.
>
> Usually, when drawing from the display link callback is out of sync, it
> simply means you’re taking too long to draw. Optimize your drawing code.
>
> > Calling -setNeedsDisplay: in the display link callback is too fast. It gives smooth animation but leads to timers piling up in the system.
Or do your drawing offscreen and use the display link to blit it to the
screen.
--Kyle Sluder
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