On Wed, Apr 08, 2009 at 09:28:47PM +0100, Alan Cox wrote: > > Dropping support for automatic backing store while at the same pushing > > for a design, composite, that is all backing store all the time means > > one of three things : lazyness, incompetence, or a big honking design > > issue in the server. So, which one is it? > > Backing store has long been off by default in Xfree/Xorg. Fundamentally > its a dumb design issue in the concept of backing store - it means the > server has to consume huge amounts of memory keeping copies of stuff and > if someone massively resizes a window with backing store (remembering it > can be mostly offscreen) your X server explodes.
Hence the pleasure that is composite. > Backing store was mostly a mistake at the time of introduction (as > opposed to save unders which are a least reasonably resource bounded). I actually meant save unders, which is what has been dropped. OG. _______________________________________________ xorg mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/xorg
