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X-11 VSYNC in KDE?


MrMad
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Hi !,

 

I'm confused regarding the X-11.

Seems that somehow X-11 display is not synchronized with the VGA

refresh V-Sync.

Why am I thinking that ?

Cause when I'm dragging a windows in KDE the redraw is done partialy not

in double buffer - it looks like the half of the window is dragged let say "n" pixels

left and the second half (bottom one) is dragged (n+1 - right pixes).

This "vertical" shift is swimming in time while dragging (best to see onbig windows).

 

Why is so ?

Is the double buffering don't exist in X11 ?

Same question regards the cursor - especially the animated one - looks nasty !!!

SW_CURSOR option in config helps - but partially - sometimes when CPU

is busy or some delays happens still litlle flicker ...

 

What is the reason of that behaviour ? Is there any cure for this ?

:help:

 

Regards

MrMad

 

System:

MDK 2005 LE

VGA - GeForce 6800 GT

Driver 7676 (also confirmed on nv driver).

X-Org X11 6.8.2

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