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Intel Has Buggy HiZ Support Published

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  • phoronix
    started a topic Intel Has Buggy HiZ Support Published

    Intel Has Buggy HiZ Support Published

    Phoronix: Intel Has Buggy HiZ Support Published

    Chad Versace of Intel has published a set of nineteen patches to the Mesa mailing list that implement HiZ and depth resolve support for the Intel Linux graphics driver. Unfortunately, it's not without some regressions...

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

  • Kayden
    replied
    Originally posted by darkbasic View Post
    And what about h264 VA-API decoding? Do you know if there is someone still working on it?
    As far as I know, yes...though I can't say for sure as I'm not involved with media.

    Leave a comment:


  • darkbasic
    replied
    Originally posted by Kayden View Post
    No, GM45 has no hardware support for HiZ. Ironlake (the successor) was the first to introduce it, but in a way that's not very useful; right now we're only targeting Sandybridge and Ivybridge.
    And what about h264 VA-API decoding? Do you know if there is someone still working on it?

    Leave a comment:


  • TechMage89
    replied
    HiZ is fairly effective at avoiding doing unnecessary work, and often gives a noticeable speedup.

    Which Intel IGPs support this?

    Leave a comment:


  • Kayden
    replied
    Originally posted by darkbasic View Post
    Does it work for GM45?
    No, GM45 has no hardware support for HiZ. Ironlake (the successor) was the first to introduce it, but in a way that's not very useful; right now we're only targeting Sandybridge and Ivybridge.

    Leave a comment:


  • darkbasic
    replied
    HiZ usually gives a nice boost (up to 30% in R300g)

    Leave a comment:


  • brent
    replied
    How does this affect performance?

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  • darkbasic
    replied
    Does it work for GM45?

    Leave a comment:

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