Re: Frame rate check
Re: Frame rate check
- Subject: Re: Frame rate check
- From: "Ken Ferry" <email@hidden>
- Date: Tue, 3 Jun 2008 21:13:18 -0700
You'll be capped at 60 fps unless you turn off beam sync in Quartz
Debug. <http://developer.apple.com/qa/qa2001/qa1236.html#TNTAG9>
And Quartz Debug can report frame rate, as Ken mentioned.
-Ken
On Tue, Jun 3, 2008 at 8:19 PM, Paul Bruneau
<email@hidden> wrote:
> On Jun 3, 2008, at 5:28 PM, Davide Scheriani wrote:
>
>> hi,
>> I wanted to do a small frame rate check to see on my nsview as debug
>> output.
>> How can I do this?
>>
>> tnx
>
> I made an NSDate ivar in the view.
> At the start of drawRect I stored the current time in it.
> At the end of drawRect I subtracted that ivar from the current time at that
> point in the code.
> I took the reciprocal of that result (seconds per frame) to get fps and drew
> the string into my view.
> I found it very useful to see how fast my view was drawing.
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