Re: Coalesced updates and refresh rate
Re: Coalesced updates and refresh rate
- Subject: Re: Coalesced updates and refresh rate
- From: Sean McBride <email@hidden>
- Date: Wed, 15 Jun 2011 11:40:21 -0400
- Organization: Rogue Research Inc.
On Wed, 15 Jun 2011 22:47:44 +1000, Graham Cox said:
>On 15/06/2011, at 10:30 PM, Wolfgang Kundrus wrote:
>
>> We have to update a lot of small onscreen objects and performance is
>way better, when we travers them outside the Cocoa view tree. If we
>would use invalidating, we would have to go thru our complete view tree
>and check for overlaps with the update rect.
>>
>
>Does each object have its own view?
If so, you might also get better performance (on >= 10.6) using 'concurrent view drawing', see the AppKit release notes:
<http://developer.apple.com/library/mac/#releasenotes/Cocoa/AppKit.html>
--
____________________________________________________________
Sean McBride, B. Eng email@hidden
Rogue Research www.rogue-research.com
Mac Software Developer Montréal, Québec, Canada
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