[Bug 75709] New: Consider re-enabling glamor on at least R500

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75709

          Priority: medium
            Bug ID: 75709
          Assignee: xorg-driver-ati at lists.x.org
           Summary: Consider re-enabling glamor on at least R500
        QA Contact: xorg-team at lists.x.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: fabio.ped at libero.it
          Hardware: All
            Status: NEW
           Version: git
         Component: Driver/Radeon
           Product: xorg

This commit disabled glamor on pre-R600:
http://cgit.freedesktop.org/xorg/driver/xf86-video-ati/commit/?id=fa83d3d1636c315bc43dd622d407eb058e3ef976

I reverted it and tried glamor on my RV530. It's working fine, only having some
corruption with Xv on some video (same as bug #72821 or bug #74811 reported for
other chipsets), also gtkperf is slower on Lines and Circles (I'll try again
when the 36 patches posted on glamor ML get merged), while other gtkperf tests
are the same.

Also according to glamor source it just needs OpenGL 1.3:
http://cgit.freedesktop.org/xorg/driver/glamor/tree/src/glamor.c#n311

So it's working at least fine as >= R600 here, then please consider re-enabling
it for R500 at least (the default should still be EXA anyway), it can be useful
for testing or when EXA has problems.

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