[Bug 58840] New: rendering error with MSAA on HD6850

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=58840

          Priority: medium
            Bug ID: 58840
          Assignee: dri-devel at lists.freedesktop.org
           Summary: rendering error with MSAA on HD6850
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: aaalmosss at gmail.com
          Hardware: Other
            Status: NEW
           Version: git
         Component: Drivers/Gallium/r600
           Product: Mesa

There are weird rendering errors when OpenGL applications use MSAA framebuffer.
The output is mostly noise. KDE 4.8 with OpenGL compositing is totally unusable
this way.

It is also interesting, that MS visuals are only advertised in glxinfo, if I
have the msaa-capable r600_dri.so installed on the system. If I only enable it
via LIBGL_DRIVERS_PATH and LD_LIBRARY_PATH, they are not advertised, but still
selectable. At least with __GL_FSAA_MODE=4 the applications are broken in the
same way.

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