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Marek Lands Radeon Gallium3D HyperZ Improvements

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  • Marek Lands Radeon Gallium3D HyperZ Improvements

    Phoronix: Marek Lands Radeon Gallium3D HyperZ Improvements

    Well known open-source Radeon driver developer Marek Olk has landed a number of commits today inside mainline Mesa Git for improving the state of HyperZ for AMD hardware, a feature that remains disabled by default for the open-source Radeon Linux driver due to stability and artifact issues...

    http://www.phoronix.com/vr.php?view=MTc3ODM

  • #2
    AMD haters gonna hate

    Great news Marek!

    This open source driver is fantastic, all the haters are wrong. I have no illusions that the OSS driver isn't missing pieces, but in terms of long term support the OSS is head and shoulders way above Catalyst.

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    • #3
      This is good news. Those graphics cards are still away from their real potential, but slowly getting closer.

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      • #4
        I don't know how this driver can be better more , now performance in Xonotic is the same as in Windows

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        • #5
          Originally posted by dungeon View Post
          I don't know how this driver can be better more , now performance in Xonotic is the same as in Windows
          Any numbers and other tests appreciated. Maybe Unigine, or Portal numbers? Thanks.

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          • #6
            Originally posted by Drago View Post
            Any numbers and other tests appreciated. Maybe Unigine, or Portal numbers? Thanks.
            Unigine Valley is at 80% when compared with Windows Catalyst, but remember this is on low powered Kabini 10.5 vs 12.9fps tiny numbers for both , so don't know what will happen on powerfull cards... btw. 81.4% to be exact

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            • #7
              Originally posted by dungeon View Post
              Unigine Valley is at 80% when compared with Windows Catalyst, but remember this is on low powered Kabini 10.5 vs 12.9fps tiny numbers for both , so don't know what will happen on powerfull cards... btw. 81.4% to be exact
              Is it DirectX on windows?

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              • #8
                Remaining HyperZ bugs are here.

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                • #9
                  Originally posted by Drago View Post
                  Is it DirectX on windows?
                  No, of course i testing only OpenGL performance on both.

                  Originally posted by oibaf View Post
                  Remaining HyperZ bugs are here.
                  Yep r600 have some artifacts still, but radeonsi seems not .

                  https://bugs.freedesktop.org/show_bug.cgi?id=74863
                  Last edited by dungeon; 09-02-2014, 08:31 AM.

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                  • #10
                    Originally posted by dungeon View Post
                    No, of course i testing only OpenGL performance on both.
                    Okay Catalyst OpenGL implementation is not perfect (like Nvidia's). What is the difference between Windows OpenGL vs. Windows DirectX. What I am wanthing to know how far Mesa is from the teoretical peak performance for the card. Thanks for doing this.

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                    • #11
                      Originally posted by Drago View Post
                      Okay Catalyst OpenGL implementation is not perfect (like Nvidia's). What is the difference between Windows OpenGL vs. Windows DirectX.
                      I don't testing APIs because one app/game can support both APIs, but perform complitely differently and rendering slightly differently... so i can't ever be sure in those numbers to be valid which one API/driver is better on not .

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                      • #12
                        Originally posted by dungeon View Post
                        I don't testing APIs because one app/game can support both APIs, but perform complitely differently and rendering slightly differently... so i can't ever be sure in those numbers to be valid which one API/driver is better on not .
                        Fair enough
                        I hope Michael will do some extensive testing, with not just comparing before and after, but comparing to Catalyst as well.

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                        • #13
                          Originally posted by dungeon View Post
                          Yep r600 have some artifacts still, but radeonsi seems not .

                          https://bugs.freedesktop.org/show_bug.cgi?id=74863
                          Looks like Marek has fixed that r600g issue as well: [PATCH] r600g: fix alpha-test with HyperZ enabled, fixing L4D2 tree corruption

                          Hopefully that's it and everything else is now working. I think they'll try re-enabling hyperz soon.

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                          • #14
                            I didn't knew about hyperz option until now, i've been getting a very huge fps drop when enable AA filters in games, mostly counter strike source,
                            and these problems disappear using hyperz.

                            Now im playing with x4 AA and 60 stable fps, without hyperz i had to disabled AA because game turns unplayable, very nice work Mr. Marek

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                            • #15
                              AMD Lands Radeon Gallium3D HyperZ Improvements

                              @Michael, Marek has been a full-time employee of AMD for a little over a year now. He's an awesome developer and we appreciate the work he did on Radeon prior to joining AMD (and his current work, of course) but it's important to acknowledge that this work is backed by AMD.

                              Thanks,
                              Tim

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