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Thread: Synchronize buffer swap with VSYNC

  1. #1
    Junior Member Newbie
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    Synchronize buffer swap with VSYNC

    Dear fellows,

    can I synchronize buffer swapping with refresh rate/vsync on XFree86 4 in Linux? If so, how do I do?

    Specific HW/SW, RedHat 6.2, XFree86 4.0.0, nVidia OpenGL driver 0.9-3, Absolute Multimedia GeForce 2 (32 MB).

    / plg

  2. #2

    Re: Synchronize buffer swap with VSYNC

    Originally posted by plg:
    can I synchronize buffer swapping with refresh rate/vsync on XFree86 4 in Linux? If so, how do I do?
    Short answer: I don't know.

    Long answer: I believe swap control under Windows is done w/ a wgl extension, so the place to look for such functionality under Linux would be in the GLX extensions.

    I've got a very similar setup to you and just tried to query the GLX extension string - it returned NULL. So either I did it wrong, or no extensions are exported yet by the NVIDIA driver. I was planning on playing around with the latest G400 and V3 DRI drivers this weekend, so maybe that will shed some light on things.

    Cheers,
    Mark

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