Re: pb synchro on Performer LInux

From: Tom Flynn (flynnt++at++cthulhu.engr.sgi.com)
Date: 06/05/2000 10:13:22

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On Mon, 5 Jun 2000, VSM wrote:

> I work with performer under LINUX with GEFORCE 256 DDRAM
>
> On perfly, I have a warning :
> " No hardware support for VSYNC, frame sync may vary, Assuming 60 Hz"
>
> On perfly, on fly model, when we rotate fast on z axis, It seems to have a desynchronisation between parts of the screen.
> The verticale lines look like broken.

Well, if you're on an SGI 230 system, you can set an environment variable
to enable swap to vertical retrace. Then run your app.

setenv GL_SYNC_TO_VBLANK 1
or
export GL_SYNC_TO_VBLANK=1

hope that helps,
tom

 --
"Mongooses are famous for their snake-fighting ability, and are
 almost always victorious because of their speed, agility, and timing
 and also because of their thick coat."

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