[Bug 1735] New: SAVAGEDRIMoveBuffers not implemented

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https://freedesktop.org/bugzilla/show_bug.cgi?id=1735        
   
           Summary: SAVAGEDRIMoveBuffers not implemented
           Product: xorg
           Version: CVS_head
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Driver/s3savage
        AssignedTo: xorg-bugzilla-noise at freedesktop.org
        ReportedBy: otaylor at redhat.com


[ I'm filing this bug for the somewhat selfish reason of wanting an 
  URL to put into a code comment, I assume this is a known problem. ]

The core of SAVAGEDRIMoveBuffers is #ifdef'ed out currently. This 
means that 

 - If a window is moved while a window is drawing
 - If an application is only partially redrawing the 

The back buffer / depth buffer contents won't be moved along with the
window.

It's not immediately apparent why the code is #ifdef'ed out, presumably
it was causing problems of some sort. Most apps will work fine or
only momentarily misdraw without this.        
   
   
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