Window focus and fps

[Nitneroc]

For performance testing, I have turned off vsync, and discovered this strange behaviour, I wasn't aware of before :

When my app starts, it runs at 600+ fps, which seems nice

when I give focus to another app, it stays at the same value

when I give the focus back to my cocos2d app, the fps drop to 70-90 fps. This is corrected by dragging the window around (the fps rise up to 600+).

Is this a known issue ? Is there a solution ?

I'll provide an example if needed.

I'm running cocos2d 0.5.0 and pyglet 1.1.4 on windows 7.

[claudio canepa]

 I don't remember a similar report.

pyglet clock was totally revamped in the 1.2 version, and it is much smoother than in 1.1.4

Could you give a try with pyglet 1.2alpha ?

   http://code.google.com/p/pyglet/downloads/list

[Nitneroc]

Problem Solved ! That was quick ;)

pyglet1.2alpha solved it. For a brief momen,t when app gets focus back, the FPS make a big drop, but they rise again just as fast.

Le lundi 30 juillet 2012 17:59:05 UTC+2, Claudio Canepa a écrit :

[Peter Enerccio]

Or you can write your own loop, since games usually run at full fps all the time, contrary to pyglet non cpu hogging which I find a waste. Games should hog cpu as much as they can, since you hardly multitask those.

2012/7/30 Nitneroc <corent...@gmail.com>

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