[Nouveau] [Bug 97568] New: read pixels of MSAAx8 surface stretched horizontally/vertically

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97568

            Bug ID: 97568
           Summary: read pixels of MSAAx8 surface stretched
                    horizontally/vertically
           Product: Mesa
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: timothy.o.rowley at intel.com
        QA Contact: nouveau at lists.freedesktop.org

vtk ctest has many failures which appear to be caused by its selection of a
MSAA visual and a missing resolve on the read pixels - the image it gets is
stretched 4x horizontally and 2x vertically.

https://open.cdash.org/viewTest.php?onlyfailed&buildid=4530390

Tested with ubuntu-16.04 nouveau driver and a GeForce GTX 750 Ti (GM107).

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