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Thread: Mesa Can Do EXT_texture_compression_RGTC

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  1. #1
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    Default Mesa Can Do EXT_texture_compression_RGTC

    Phoronix: Mesa Can Do EXT_texture_compression_RGTC

    In Mesa's quest to catch up to the proprietary Linux drivers (and the graphics drivers available under Windows), they are now a tiny bit closer. David Airlie has announced on the Mesa mailing list that he has implemented support for the EXT_texture_compression_RGTC extension into Mesa...

    http://www.phoronix.com/vr.php?view=OTEzNA

  2. #2
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    Cool

    Needs to be updated on this page: http://cgit.freedesktop.org/mesa/mesa/tree/docs/GL3.txt under GL 3.0.

  3. #3
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    Hey, at least we recently moved up to 2.1 instead of 1.4...

  4. #4
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    I believe S3TC is DXT3, and these are DXT4 and 5.

    Does anyone know what they're used by? Does this help WINE apps?

  5. #5
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    Quote Originally Posted by smitty3268 View Post
    I believe S3TC is DXT3, and these are DXT4 and 5.

    Does anyone know what they're used by? Does this help WINE apps?
    All DXT compressions are "S3TC". RGTC was designed for compressing normal maps, and can replace DXT5.

  6. #6
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    Correction: it can replace DirectX's 3Dc/BC5 (which is better than DXT5).

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