Q: Xserver / Composite behavior

[Amir Bukhari]

> Keith Packard wrote:
> > On Sun, 2006-01-08 at 01:46 +0100, Amir Bukhari wrote:
> > 
> >>What happend when application move it's top level window 
> out side root 
> >>window. Example: screen is 1200x1024 and a window is moved 
> to 1600,512 
> >>which out side screen. Does Xserver will not alow it or it 
> will only 
> >>not be visable?
> >>does Xcomposite will stil render to off-screen pixmap?
> > 
> > The entire contents of the redirected window are always available, 
> > independent of position or stacking.
> 
> Isn't that a bit inefficient? If you had a 1000x1000 window 
> scrolled outside the root, it'd be wasting 4MB in a useless 
> pixmap. No wonder X is so slow;) 

It will not be wasted, because the pixmap still be used in our 3D enviroment
(LG).

-Amir