[Mesa-dev] [Bug 100266] Glitches in blender

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100266

            Bug ID: 100266
           Summary: Glitches in blender
           Product: Mesa
           Version: 17.0
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Mesa core
          Assignee: mesa-dev at lists.freedesktop.org
          Reporter: dark.shadow4 at web.de
        QA Contact: mesa-dev at lists.freedesktop.org

Created attachment 130299
  --> https://bugs.freedesktop.org/attachment.cgi?id=130299&action=edit
Screenshot to show glitches

Might be related to https://bugs.freedesktop.org/show_bug.cgi?id=79858

Running blender gives random glitches. Especially during startup, but also a
lot of flickering during usage.
Often the window shows an old state when moving the mouse, then suddenly
showing the correct state again. Like, if you zoomed in it sometimes suddenly
shows the out-zoomed view again, then flipping between both seemingly randomly.

"LIBGL_DRI3_DISABLE=1" or "LIBGL_ALWAYS_SOFTWARE" fix the issue.

System:
-Mesa 17.0.1
-Radeon R9 285 on amdgpu
-Linux 4.10.3
-Arch Linux 64Bit

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