[Bug 28035] New: Box-like glitches when using bicubic filter in Xv (UMS)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=28035

           Summary: Box-like glitches when using bicubic filter in Xv
                    (UMS)
           Product: xorg
           Version: git
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: felipe.contreras at gmail.com
         QAContact: xorg-team at lists.x.org


Created an attachment (id=35515)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=35515)
Photo showing the problem.

I see this with UMS on a R520, usually after watching some videos in YouTube.

Switching to console and back makes the glitches go away, so I tried to move
the upload code to RADEONPutImageTextured() and make it execute once... that
fixed the problem.

So my next guess was that something was overriding the bicubic memory, so I
doubled it, and then the squares became more frequent.

Attached is a photo showing the problem.

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