Re: glxgear and glxinfo confusion

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Once upon a time, Joe Zeff <joe@xxxxxxx> said:
> Motion Pictures are shown at 32 fps and nobody complains about 
> flickering,

Nope, 24 fps.  Also, the technology is different; reflected light on a
screen vs. direct view has different effects on the eye.

In general, you can't see more than about 20-24 fps, so that's all that
is really needed to capture motion and replay it.  However, different
display technologies cause other effects, so the display rate has to be
higher to overcome the display-specific effects.

> but there are people who claim that anything less than 70 
> fps on their monitor flickers.

With CRTs, it was definately visable, especially under fluorescent
lights, but that was because a CRT didn't display the whole screen at
once.  It only drew a line at a time, and they didn't stay lit the whole
frame cycle.  On LCDs, that isn't the case.

One reason video cards render at higher-than-refresh rates is to be able
to do motion blur.

-- 
Chris Adams <cmadams@xxxxxxxxxx>
Systems and Network Administrator - HiWAAY Internet Services
I don't speak for anybody but myself - that's enough trouble.
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