very slow performance of glxgears (68 fps)

[Matthias Hopf]

On Feb 18, 09 12:58:49 -0500, Jim Gettys wrote:
> On Wed, 2009-02-18 at 10:49 -0700, McDonald, Michael-p7438c wrote:
> > Dumb question: Do LCD/Plasma/OLED/... Actually have vertical retrace?
> > Does the vblank interval approach 0?
> 
> LCD: yes
> Plasma: yes
> OLED: ?		(still mostly vaporware, and I'm sure compatibility means it
> would have this characteristic at the moment, even if the technology
> doesn't).

You will always have the vertical retrace of the signal lane (read:
TMDS, LVDS, or VGA). Unless you have a massively parallel RAM readout
and connection to the display ;-)

CU

Matthias

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