[Bug 2143] New: After resizing redirected window offscreen window content is incorrect

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https://bugs.freedesktop.org/show_bug.cgi?id=2143        
   
           Summary: After resizing redirected window offscreen window
                    content is incorrect
           Product: xorg
           Version: 6.8.1
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: * Other
        AssignedTo: xorg-bugzilla-noise at freedesktop.org
        ReportedBy: kim at woelders.dk


As I understand it, the window id for a redirected window should always refer to
the offscreen window contents. However, after resizing a (mapped) redirected
window, it looks to me like the window id either refers to the onscreen contents
(including any covering windows), or like the old offscreen window pixmap is not
copied to the new resized offscreen pixmap.
The problem can be seen by grabbing a partially covered (or transparent)
redirected window by id immediately before and after resizing it.
This is with nvidia driver version 6111 and RenderAccel enabled.
This issue may be related to bug 1655 and bug 1656.        
   
   
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