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Thread: Render to FBO

  1. #1
    Junior Member Newbie
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    Apr 2010
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    Render to FBO

    Platform: WinXP, wxWidgets, C++, mingw, nVidia with 8192x8192 textures

    I want to render triangles in a large buffer and get results for my work from the examination of this buffer.

    Window's client area is awesome but very tiny. I need a buffer at least 4096x4096 and 16384 x 16384 is really good.

    I think about render to FBO but because I never before use this extension I am here to ask.

    any suggestions?

    -----------
    Your time is very expensive and I thank you because you are giving to me for free.

  2. #2
    Junior Member Newbie
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    Re: Render to FBO

    I recommend you to try FBO Tutorial

  3. #3
    Senior Member OpenGL Pro BionicBytes's Avatar
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    Re: Render to FBO

    I suggest you check you device capabilities with getintegerv (GL_MAXVIEWPORTS) - I suspect that you'll find the max size for FBO is 8192 on GL 3.2 hardware such as Radeon 48xx and Geforce 8/9/200 series.

    Check the FBO extension spec to see examples of how to setup and use.

  4. #4
    Junior Member Newbie
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    Re: Render to FBO

    Quote Originally Posted by DWilson
    I recommend you to try FBO Tutorial
    Excellent tutorial.
    What I need.
    Thanks.

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