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Thread: Color depth woes...

  1. #1
    Member Contributor
    Join Date
    Jul 2002
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    Southampton, PA, USA
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    Color depth woes...

    Hi,

    I have the binaries (but as of yet no source) for a particular OpenGL application and I need to know what color depth the application is trying to use...it does NOT have a true full screen capability that I know of, so I can't use the monitor to tell me what mode it is in. The program runs much faster and looks better when I am in 32-bit mode on my TNT2 than in 16-bit, but some of the eventual users of this program will be using cards that only support 24-bit color (no 8-bit alpha channel).

    So, is there an easy way to snoop out what sort of pixel format descriptor the application is using, or otherwise is there a way to force 24-bit color (with no alpha channel) on my TNT2, which usually only gives the option of 8/16/32 bpp?

    Thanks!

  2. #2
    Senior Member Regular Contributor
    Join Date
    Jun 2002
    Posts
    365

    Re: Color depth woes...

    Originally posted by Jared@ETC:

    So, is there an easy way to snoop out what sort of pixel format descriptor the application is using,
    Use a debugger that can set breakpoints on system functions like wgl* that take PFDs as input. Don't forget about the pixel format ARB extension.


    [This message has been edited by roffe (edited 07-09-2003).]

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