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Thread: texture combine modes etc.

  1. #1
    Senior Member Frequent Contributor
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    texture combine modes etc.

    Hello,

    is there any tutorial explainig all those texture combining modes (GL_TEXTURE_COMBINE_EXT)? I find them quite complicated and cannot find any documentation that is really a) complete and b) understandable.. any links?

    Thanks
    Jan

  2. #2
    Senior Member Regular Contributor
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    Re: texture combine modes etc.

    I don't know of any tutorial dealing only with the texture combine functions, but they are really not that hard to understand. I think you know what the extension is good for and all info needed you can find in the SGI extension registry (take a look at all GL_ARB_texture_env extensions). If you understand how blending works you will very fast understand how to use texture combine.

  3. #3
    Senior Member Frequent Contributor
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    Re: texture combine modes etc.

    I have already looked there, I know how blending works and I know what the extension is good for, but I still do not completely understand it, it seems like this is easy for everyone except for me . I will look again and then post more questions, I hope this is ok.

    Thanks
    Jan

  4. #4
    Senior Member Regular Contributor
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    Re: texture combine modes etc.

    The latest OpenGL v1.4 specs are here: http://www.opengl.org/developers/doc...ion/specs.html

    There's a table somewhere around page 155-156 that lists the arguments for COMBINE_RGB.

    But, I wouldn't expect anybody to immediately understand it if they never used these arguments before.

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