> Is all this just because some of the new video HW are crappy, ie that
> they produce snow/flicker/whatever (like in the old CGA days) or is
> this a genuine problem, as I said above I've never seen any problems
> on my ATI cards, and my laptop doesn't have this either (neomagic)..
>
Yes, this is a problem if you try to do a blit in the middle of a vertical
retrace you will get a small artifact for instance as you move your window
you will see have a line or more half drawn and when you stop moving
the window the blit completes. What determines the lacking
retrace is the delta time of the mouse movement.
--
Amancio Hasty
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