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Thread: Flickering at low frame rates

  1. #1
    Junior Member Newbie
    Join Date
    Aug 2002

    Flickering at low frame rates


    I'm slowing down my application to save some CPU time by using multimedia timer. I trigger my Display function every 40ms but then (besides everything is slowing down) the flickering occurs. When I trigger it every 10ms the flickering dissapear, but the CPU is highly overload (90%)
    How can I remove the flickering in the low framerates? I've read about the WGL_EXT_swap_control extension, but I don't know how to use it. Can someone send me an example?


  2. #2
    Senior Member Regular Contributor
    Join Date
    Jul 2001

    Re: Flickering at low frame rates

    To draw once every 4 monitor refreshes :

    wglSwapIntervalEXT (4);

    you call it just once right after OpenGL initialization.

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