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Thread: Flickering at low frame rates

  1. #1
    Junior Member Newbie
    Join Date
    Aug 2002
    Location
    Poland
    Posts
    10

    Flickering at low frame rates

    Hi

    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?

    Regards,

  2. #2
    Senior Member Regular Contributor
    Join Date
    Jul 2001
    Posts
    352

    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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