composite and smooth moving (double buffering?)

[Anders Storsveen]

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, and the others was fast
because they send "what they had" all the time.