Re: Quesa on the Mac not synchronizing with monitor's vertical retrace

[Lane R. <la...@if...>]

on Thu, Jul 28, 2005 James W. Walker may have said:

>
>On Jul 28, 2005, at 10:11 PM, Mikey wrote:
>
>>     // Tell OpenGL to sync with the vertical retrace of the monitor.
>>     {
>>         const GLint syncEveryFrame = 1;
>>         aglSetInteger( glContext, AGL_SWAP_INTERVAL,  
>> &syncEveryFrame );
>>     }
>>
>> I didn't see any reference to this sort of thing in the archives so  
>> I'm not sure if it was omitted on purpose or if it was an  
>> oversight.  If it was an oversight, I'd like see about getting it  
>> added to the actual CVS codebase.
>
>I looked this up in Apple docs, and while they say what the switch  
>does, there is no discussion of pros and cons.  There must be some  
>cons, or Apple would have made it the default behavior, no?

Pro: limitS tearing due to drawing faster than the screen can refresh

Con: frame rate (typically 25fps max, sometimes more)

Lane Roathe
President          Ideas From the Deep        <http://www.ifd.com>
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