[xorg-bugzilla-noise] [Bug 1259] New: convert sunleo to fb

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https://freedesktop.org/bugzilla/show_bug.cgi?id=1259        
   
           Summary: convert sunleo to fb
           Product: xorg
           Version: CVS_head
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: Driver/other
        AssignedTo: xorg-bugzilla-noise at freedesktop.org
        ReportedBy: ajax at nwnk.net
OtherBugsDependingO 1245
             nThis:


attached patch converts sunleo(4) to cfb.  this and bug #1192 are it for
low-hanging cfb fruit in the drivers, all the remaining cfb users (sunffb, mga,
glint, chips) need it for overlay support.

the custom GC handling in cfb doesn't translate to fb, so it's gone.  i suspect
this leaves the driver more or less unaccelerated, but fb should be slightly
faster on its own so it may be a wash.  shadowfb would be easy to add,
converting the GC code to XAA would be harder.  i'd be happy to go as far as
shadowfb and then wait for a better AA to present itself.

untested for lack of hardware, but compiles with a minimum of external symbols,
should at least load.        
   
   
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