Michel Dänzer michel at
Wed Apr 8 00:42:01 PDT 2009

On Tue, 2009-04-07 at 16:27 -0400, Patrick O'Donnell wrote:
> >There shouldn't be any breakage of compatibility in old old apps. ...
> Perhaps not compatibility, strictly speaking, but we're going to miss
> our old friends backing store and save unders.  Their demise feels
> like a breakage of compatibility, as the X servers we've used have all
> had reasonably aggressive offering of the optimizations (til now).
> (We have been strongly depending on their existence, incorrectly.)
> One of our applications has a very expensive redraw cycle that we now
> have to decide how we are going to manage when backing store is not
> being supplied.

If you can enable compositing (even just xcompmgr -a), that might be the
simplest solution.

Or, someone who cares about backing store could work on improving the
new implementation layered on top of composite...

Earthling Michel Dänzer           |      
Libre software enthusiast         |          Debian, X and DRI developer

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