Simple quetion about FPS and glxgears

Kaname · 06-07-2006, 09:13 PM

Hi.

When I run X with "vesa" generic driver, I get about 500FPS in glxgears (not so bad) but when watching a movie, it drops many frames (not good).

Now, when running X with "fglrx" ATI driver, I get about 90FPS in glxgears, but movies display smoothly.

Any idea why is happening this?

Thank you.

macemoneta · 06-08-2006, 12:04 AM

I'm guessing that your ATI driver is syncing to to the vertical refresh, which is at 90Hz on your display. FPS is a meaningless measurement.

Kaname · 06-09-2006, 12:46 AM

Than you for your answer.

So, what is the best way to test if your Graphic Device is working as it should?

macemoneta · 06-09-2006, 09:00 AM

If you can play a 3D game with acceptable response, like Alien Arena 2006, ppracer, GL-117, Neverball, Torcs, Prboom/FreeDoom, etc. - then your video is running accelerated 3D.