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Re: [pygame] pygame.display.flip() and framerate

To: pygame-users@xxxxxxxx
Subject: Re: [pygame] pygame.display.flip() and framerate
From: René Dudfield <renesd@xxxxxxxxx>
Date: Sun, 8 Feb 2009 14:48:29 +1100
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hi,

I think you are running into v-synch.  Where it limits it to the
screens refresh rate.

Which is a pretty good thing, because then it can stop tearing with opengl.

cheers,


On Sun, Feb 8, 2009 at 2:24 PM, Ian Mallett <geometrian@xxxxxxxxx> wrote:
> Hello,
>
> One can use the SDL pygame normally uses, or OpenGL.
>
> I've noticed that each runs faster when nothing is drawn the the screen (no
> pygame.display.flip())--I can get very nice (100s or 1000s of frames/second
> this way).  When pygame.display.flip() is added, the framerate drops.
> What's curious is that the SDL renderer can still achieve framerates around
> 200 or 300, but the OpenGL render seems limited to 60.  Any particular
> reason for this?  60 frames/second is a decent framerate, but such a
> limitation seems bizarre, even if it's not troublesome.
>
> Ian
>

Follow-Ups:
- Re: [pygame] pygame.display.flip() and framerate
  - From: Greg Ewing

References:
- [pygame] pygame.display.flip() and framerate
  - From: Ian Mallett

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