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View Poll Results: Directx/OpenGL Version card

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  • OpenGL 3.x/Directx 10

    2 66.67%
  • OpenGL 4.x/Directx 11

    3 100.00%
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Thread: Using OpenGL 3.3 or 4.x

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  1. #1
    Junior Member Newbie
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    Mar 2012
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    Using OpenGL 3.3 or 4.x

    I'm still modelling but I am wondering whether I should use OpenGL 3.3 or OpenGL 4.x. I am looking at writing a program that's compatible with a lot of computers (c++) but if most people have OpenGL 4.x compliant graphics cards then I don't think there is much use in using OpenGL 3.3

    Ubuntu 64-bit, AMD Radeon HD 7700.

  2. #2
    Member Regular Contributor
    Join Date
    Jan 2012
    Location
    Germany
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    You can estimate the availability of GL4 hardware from the Steam hardware survey (http://store.steampowered.com/hwsurvey/).
    Note that MacOS X only supports GL 3.2 even on newer hardware.
    Whether you should use GL 3 or 4 depends on the requirements of your app (do you need tessellation and compute shaders?).
    If compatibility is a priority, target 3.2 or even 3.1 (HD3000 on win & linux afaik), this will get you 95% of all users (according to the survey noted above).

  3. #3
    Junior Member Newbie
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    Mar 2012
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    United States, Texas
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    Thank you for the article. When I get to using OpenGL I will try to target it against 3.x

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