GTK and Xserver double-buffering

[Leen Toelen]

Hi all,

I am trying to understand the differences between an X server with and 
without Damage/Composite. As I understand it Composite double-buffers 
all pixmaps off-screen to avoid flickering when moving/resizing windows. 
In GTK 2.0 and further the GTK library itself also performs 
double-buffering of a window. This was needed with an X server without 
D/C, this was indeed flickering when moving/resizing, but maybe not in 
one with these extensions. Is this stilll needed in a server with 
Damage/Composite? This looks like a lot of memory is being wasted.

Best regards,
Leen Toelen


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