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Thread: Accelerated rotation

  1. #1
    Join Date
    Sep 2007
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    122

    Default Accelerated rotation

    Is the new Intel driver (2.5.0) going to accelerate display rotation (like the radeon drivers)? I was really disappointed (again) to find out it didn't at least in the 2.4.x drivers.

  2. #2
    Join Date
    Sep 2007
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    122

    Default

    Any progress here? With 2.7.0, rotation or scaling still seem to completely disable any sort of acceleration (2D and 3D), so you're essentially back to just a framebuffer. This is so slow it's simply unusuable.
    Last edited by greg; 04-19-2009 at 07:07 PM.

  3. #3
    Join Date
    Oct 2008
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    Default

    I only made a very quick test, but it seems to work okay for me.

    Maybe you should file a bug report?
    http://intellinuxgraphics.org/how_to_report_bug.html

  4. #4
    Join Date
    Sep 2007
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    Default

    What exactly did you test and what's your platform? X and driver versions, IGP hardware used, etc.?

  5. #5
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    I'm using Debian unstable, 32-bit, with a G45.

    Linux 2.6.29, xf86-video-intel 2.7, Xserver 1.6.0, Mesa 7.4. I'm using UXA but not KMS.

    I mostly just played around by moving windows around, scrolling, zooming in and out in gplanarity (cairo based game) and briefly tried OpenArena.

  6. #6
    Join Date
    Sep 2007
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    Default

    Thanks. I'm experiencing this on my netbook (GMA950) as well as another notebook (GMA965). I don't see any reason for why these older IGPs should be incapable of accelerating rotation, and according to other reports, it should work. I'll likely file a bug.
    Maybe this bug is related: https://bugs.freedesktop.org/show_bug.cgi?id=20412
    Last edited by greg; 04-19-2009 at 08:09 PM.

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