composite and smooth moving (double buffering?)

[Michel Dänzer]

On Wed, 2005-10-05 at 20:45 +0200, Anders Storsveen wrote:
> Michel Dänzer wrote:
> 
> >On Wed, 2005-10-05 at 08:48 +0200, Anders Storsveen wrote:
> >  
> >>Another observation here is, what I mean by smooth, but slow is that. If
> >>I move a window that I feel is smooth around, like konq or kcontrol, it
> >>moves with a kind of lag, like if I move my mouse from point a to point
> >>b, when I'm finished moving the mouse, the window comes
> >>"dragging"-after. Like if I use TIME to move the mouse, the window uses
> >>TIME+(SMALLTIME) :) however xterm, and konq, and even konsole is instant.
> >
> >In that case, the tearing is probably just not noticeable due to the
> >slowness (which is probably due to the operation not being fully
> >accelerated).
> >
> My first thought was that it was slow, because it waited for all frames
> to be rendered before sending it to the screen, [...]

There's no mechanism for that yet that I know of, and if there was, it
would be really bad if it caused noticeable lag.


-- 
Earthling Michel Dänzer      |     Debian (powerpc), X and DRI developer
Libre software enthusiast    |   http://svcs.affero.net/rm.php?r=daenzer