Re: [Dri-devel] texmem-0-0-1 branch and vsync on Radeon 7500

[Alan H. <al...@fa...>]

On Tue, Apr 08, 2003 at 01:02:07AM +0200, Michel D=E4nzer wrote:
> On Mon, 2003-04-07 at 18:45, Ian Romanick wrote:=20
> >=20
> > There are basically four states that the driver can be in WRT vertica=
l=20
> > refresh synchronization.
> >=20
> > 1. Application preference.  The application can select the number of=20
> > vertical refreshes that must occur between buffer swaps (aka the swap=
=20
> > interval).  The default value is 1.  This is the default setting.
> >=20
> > 2. No-vsync.  No swap throttling or refresh synchronization occurs.=20
> > This is the old default, but it is now controlled by setting=20
> > 'LIBGL_NO_VSYNC=3D1'.
> >=20
> > 3. "Throttle refresh."  This is like #1, but the application cannot=20
> > change the swap interval from the default setting of 1.  This is=20
> > selected by 'LIBGL_THROTTLE_REFRESH=3D1'.  IMHO, this setting is of l=
ittle=20
> > use and should be depricated.
>=20
> Why not simply drop it in favour of the new default?  Assuming it stays=
,
> that is, which I vote for, along with adding support for the swap
> extension(s) to glxgears. Don't the nvidia drivers default to this as
> well?
=20
No. I get over 4000 fps with glxgears on a Quadro4 750XGL, by default.

Alan.