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Thread: Radeon Gallium on ubuntu

  1. #81
    Join Date
    May 2008
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    Default Radeon gallium packages for Ubuntu 10.04

    xorg-edgers to the rescue
    http://launchpad.net/~xorg-edgers/archive/radeon
    Currently, these mesa packages install on plain lucid (and not on top of the main xorg-edgers PPA), but since this might change later, please check the PPA page description before upgrading from it or asking questions.

  2. #82
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    May 2008
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    Default

    (great, 1 minute edit window and brain-dead mobile browser)
    Correct URL: https://launchpad.net/~xorg-edgers/+archive/radeon

  3. #83
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    Default

    Could that also work for Karmic?

  4. #84
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    May 2008
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    Today's PPA packages ship the gallium drivers in the normal /usr/lib/dri directory, and the classic drivers in /usr/lib/dri-classic. This makes it easy to compare gallium vs classic.

    For instance, you can run
    Code:
    LIBGL_DRIVERS_PATH=/usr/lib/dri-classic /usr/lib/xscreensaver/antspotlight -fps
    in one window, and just
    Code:
    /usr/lib/xscreensaver/antspotlight -fps
    in another to compare side by side.

    Note that the xserver picks up the driver in /usr/lib/dri for AIGLX when it starts up, so to feed it with classic you will have to rename the directories (better rename back before upgrading/uninstalling packages again). I am not sure which part of the driver the AIGLX is using and for what so I can not tell what difference that makes (explanations are welcome).

    The plan is to provide the gallium drivers also for intel and nouveau, but they can not build on plain lucid, so that will be for the main xorg-edgers PPA (with updated libdrm etc). There the default will likely be the classic drivers in the first place, with a dri-gallium directory for testing.

  5. #85
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    Apr 2010
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    Where can I report bugs?

  6. #86
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    Does anything really use AIGLX anyway anymore with DRI2 and so? (except maybe remote X)

  7. #87
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    May 2008
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    Quote Originally Posted by gowiter View Post
    Where can I report bugs?
    I see bugs are getting filed and commented on at https://bugs.freedesktop.org/ (Product = Mesa, Component = Drivers/DRI/Radeon) with "r300g" in the bug titles. The intel gallium driver uses a separate component Drivers/Gallium/i915g though. For r300 and r300g it is mostly the same developers anyway.

  8. #88
    Join Date
    Nov 2006
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    r300g is showing a nice improvement in 3D performance.

    The 2.6.34 are the Ubuntu mainline builds and 2.6.31 is the Lucid kernel.

    There seems to be a bug in the Lucid 2.6.31 kernel because I'm seeing a huge performance drop after a short time. I've rebooted on each benchmark with no other apps running. Every time the Lucid kernel drops in performance after 1 or 2 runs of the OpenArena benchmark.

    2.6.34rc4 - xorg edgers r300g
    840 frames 15.0 seconds 56.0 fps 8.0/17.8/215.0/9.1 ms
    840 frames 14.4 seconds 58.4 fps 6.0/17.1/82.0/5.4 ms
    840 frames 14.5 seconds 58.0 fps 8.0/17.2/92.0/5.6 ms
    840 frames 14.5 seconds 57.9 fps 6.0/17.3/157.0/7.1 ms
    840 frames 14.2 seconds 59.0 fps 8.0/17.0/77.0/5.2 ms

    2.6.34rc4 - xorg edgers r300c
    840 frames 17.8 seconds 47.2 fps 7.0/21.2/242.0/11.9 ms
    840 frames 17.4 seconds 48.2 fps 6.0/20.7/83.0/8.2 ms
    840 frames 17.4 seconds 48.3 fps 7.0/20.7/88.0/7.9 ms
    840 frames 17.4 seconds 48.2 fps 7.0/20.8/85.0/8.2 ms
    840 frames 17.4 seconds 48.3 fps 6.0/20.7/133.0/9.0 ms

    2.6.34rc3 - xorg edgers r300g
    840 frames 14.7 seconds 57.2 fps 8.0/17.5/180.0/7.6 ms
    840 frames 14.9 seconds 56.3 fps 6.0/17.8/149.0/8.1 ms
    840 frames 14.7 seconds 57.3 fps 7.0/17.5/88.0/5.7 ms
    840 frames 14.7 seconds 57.0 fps 7.0/17.6/157.0/7.3 ms
    840 frames 14.6 seconds 57.7 fps 8.0/17.3/80.0/5.6 ms

    2.6.34rc3 - xorg edgers r300c
    840 frames 17.8 seconds 47.1 fps 6.0/21.2/180.0/9.8 ms
    840 frames 18.1 seconds 46.5 fps 6.0/21.5/95.0/8.3 ms
    840 frames 17.9 seconds 47.1 fps 7.0/21.3/72.0/7.8 ms
    840 frames 17.6 seconds 47.8 fps 6.0/20.9/119.0/8.8 ms
    840 frames 18.0 seconds 46.6 fps 6.0/21.4/67.0/8.0 ms

    2.6.32-21-generic - xorg edgers r300g
    840 frames 14.5 seconds 58.1 fps 8.0/17.2/70.0/5.3 ms
    840 frames 28.1 seconds 29.9 fps 8.0/33.5/135.0/7.9 ms
    840 frames 28.1 seconds 29.9 fps 10.0/33.4/98.0/7.0 ms
    840 frames 29.0 seconds 28.9 fps 24.0/34.6/113.0/4.5 ms
    840 frames 29.9 seconds 28.1 fps 27.0/35.6/117.0/5.3 ms

  9. #89
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    Quote Originally Posted by rob2687 View Post
    r300g is showing a nice improvement in 3D performance. The 2.6.34 are the Ubuntu mainline builds and 2.6.31 is the Lucid kernel.
    Lucid has the 2.6.32 kernel with 2.6.33 kernel graphics driver, doesn't it ?

  10. #90
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    May 2008
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    Quote Originally Posted by bridgman View Post
    Lucid has the 2.6.32 kernel with 2.6.33 kernel graphics driver, doesn't it ?
    Yes, the latest lucid version has 2.6.32.11 + drm from 2.6.33.2.

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