> - - The flickering is independent of the refresh rate of the screen. 
> 60Hz is as bad as 90Hz.

That pretty much rules out the "unsynchronized pageflipping" theory.

> - - The flickering depends on the screen resolution! At 640x480 it is 
> hard to notice, at 1024x768 it awful.

This sounds like something drawing-related.

> - - The pageflip-demo shows exactly the same behaviour as berlin

Hmm - this is strange. Could you describe in more detail ? It is supposed to 
switch between two screens on keypress. I'm not quite sure how this could
flicker. Do you see both screens correctly, or is one of them blank ?

CU, ANdy

-- 
= Andreas Beck                    |  Email :  <[EMAIL PROTECTED]> =

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