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Thread: Mesa DRI3 Picks Up GLX_EXT_buffer_age Support

  1. #1
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    Default Mesa DRI3 Picks Up GLX_EXT_buffer_age Support

    Phoronix: Mesa DRI3 Picks Up GLX_EXT_buffer_age Support

    The Direct Rendering Infrastructure 3 code for Mesa has picked up support for the GLX_EXT_buffer_age extension...

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

  2. #2
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    Note: GLX_EXT_buffer_age is supported in:

    KWin 4.11.5 or newer
    Compiz 0.9.11 or newer (Ubuntu 14.04 LTS)

  3. #3
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    Quote Originally Posted by d2kx View Post
    Note: GLX_EXT_buffer_age is supported in:

    KWin 4.11.5 or newer
    Compiz 0.9.11 or newer (Ubuntu 14.04 LTS)
    Thanks d2kx, was trying to track down a Kwin commit for buffer_age but couldn't

  4. #4
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    Unfortunatelly for Intel+Gnome it takes more
    https://bugzilla.gnome.org/show_bug.cgi?id=711028#c9

    They surely take their time...

  5. #5
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    Quote Originally Posted by Bucic View Post
    Unfortunatelly for Intel+Gnome it takes more
    https://bugzilla.gnome.org/show_bug.cgi?id=711028#c9

    They surely take their time...
    This has nothing to do with GNOME. GNOME is using the buffer_age extension since 3.8.
    The mesa patches got merged all that's missing to get it working (with any application / desktop i.e not only GNOME) is a ddx driver that enables DRI3.

    As for the article
    There's also been Mesa code for the buffer-age extension since last year for DRI2 but now it's been brought into the DRI3 world.
    This is wrong. GLX_EXT_buffer_age cannot work with DRI2.

    The link this points to is talking about EGL_EXT_buffer_age which works for native EGL (i.e EGL on KMS / wayland) but not for EGL running on top of X11 and there is no support for GLX_EXT_buffer_age.

  6. #6
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    Quote Originally Posted by Bucic View Post
    Unfortunatelly for Intel+Gnome it takes more
    https://bugzilla.gnome.org/show_bug.cgi?id=711028#c9

    They surely take their time...


    According to that, Gnome already supports the extension. They are waiting for Mesa and a DRI3 Intel driver like everybody else. . .

    Adel Gadllah is a Gnome developer, if there was any reason for taking their time it's because they're busy implementing this extension for all.

  7. #7
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    what kind of opengl version concerns this implementation? Lubuntu (lxde) will take any advantage of this feature?

  8. #8
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    Quote Originally Posted by drago01 View Post
    This has nothing to do with GNOME. GNOME is using the buffer_age extension since 3.8.
    The mesa patches got merged all that's missing to get it working (with any application / desktop i.e not only GNOME) is a ddx driver that enables DRI3.

    .
    Then why the clutter patch is needed?
    https://bugzilla.gnome.org/show_bug.cgi?id=711028#c9

  9. #9
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    Quote Originally Posted by Bucic View Post
    Then why the clutter patch is needed?
    https://bugzilla.gnome.org/show_bug.cgi?id=711028#c9
    Easy: check out the bug report.

    https://bugzilla.gnome.org/show_bug.cgi?id=724788

  10. #10
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    Nice!
    Anyone knows what is needed for DRI3 to get used? Support in the various drivers?

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