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Re: Core Animation OpenGL Layer performance jitters
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Re: Core Animation OpenGL Layer performance jitters



On 27/11/2009, at 9:24 PM, jonas echterhoff wrote:

> I also noticed that this problem seems to be related to our usage of real-time shadows (for which we use FBOs to render the shadow maps). If I disable those, the problem goes away (at least for the content I tested - there may be other ways to trigger it).
Are your FBOs rendering to textures? My suspicion still centres around the use of textures. The more textures used, the more things slow down (that's just a theory of course). _______________________________________________
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References: 
 >Re: Core Animation OpenGL Layer performance jitters (From: David Duncan <email@hidden>)
 >Re: Core Animation OpenGL Layer performance jitters (From: Christopher Hunt <email@hidden>)
 >Re: Core Animation OpenGL Layer performance jitters (From: Christopher Hunt <email@hidden>)
 >Re: Core Animation OpenGL Layer performance jitters (From: David Duncan <email@hidden>)
 >Re: Core Animation OpenGL Layer performance jitters (From: Christopher Hunt <email@hidden>)
 >Re: Core Animation OpenGL Layer performance jitters (From: Christopher Hunt <email@hidden>)
 >Re: Core Animation OpenGL Layer performance jitters (From: jonas echterhoff <email@hidden>)



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