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Thread: Texture loading performance (IRIX, Onyx2)

  1. #1
    Junior Member Newbie
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    Texture loading performance (IRIX, Onyx2)

    Could anyone give me feedback on download times for textures on an Onyx2, iR system?

    I have a 3D-texture (128x128x128) which
    I update for every frame (128x128x90 in size) with glTexSubImage3DEXT(). Modulating rendering parameters gives an estimate of a download time of 50 ms. The texture is only
    2 or 1 byte in cell-size, giving a total size of 2.8 or 1.4 MB. The data is loaded in a separate thread, so loading time from disk to memory is not the issue.

    /plg

  2. #2
    Advanced Member Frequent Contributor
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    Re: Texture loading performance (IRIX, Onyx2)

    texture transfer rates are described in the Onyx2 tech ref from sgi. I'm guessing the url is somewhere along the lines of http://www.sgi.com/onyx

    cheers,
    John

  3. #3
    Advanced Member Frequent Contributor
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    Re: Texture loading performance (IRIX, Onyx2)

    Actually, that URL's wrong. ;-) What you REALLY want is
    http://www.sgi.com/onyx2/tech_specs.html

    and get the tech report.

    check out the IR3. silicon. nice. ;-)

    cheers
    John

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