[Bug 20918] New: Qt redraw problems with EXA enabled

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=20918

           Summary: Qt redraw problems with EXA enabled
           Product: xorg
           Version: 7.4
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: andree at andree.sk
         QAContact: xorg-team at lists.x.org


Created an attachment (id=24331)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=24331)
X.org config file

When using EXA, I am occasionally getting bad background redraws for some Qt
(4.5) widgets - line edit, list views (see attached screenshots)... No
(graphics) bugs seem to appear for GTK apps. Also, it doesn't matter, whether I
enabled 'desktop effects' in the KDE (4.2).

The bug doesn't appear with XAA enabled. Well, to be precise, the acceleration
is disabled competely when using XAA, right? :

(II) RADEON(0): XAA Render acceleration unsupported on Radeon 9500/9700 and
newer. Please use EXA instead.
(II) RADEON(0): Render acceleration disabled

:-)


I've attached the "bad" EXA configuration (a pretty generic one), screenshots
what happens and log file.

If you need any more asistance, I'll help gladly - I could probably handle
compiling of driver by myself and/or even try to find and fix the issue, if
someone provided me with hints where to look :-)


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