DirectDraw over Direct3D

Jesse Allen the3dfxdude at
Thu Dec 15 13:36:10 CST 2005

On 12/15/05, Molle Bestefich <molle.bestefich at> wrote:
> Jesse Allen wrote:
> > > The current state of open source video drivers for Linux is as far as
> > > I know that they only do basic 2D.  For 3D you have to use
> > > closed-source drivers, which is simply not an option for a lot of
> > > people, be that because of stability, compatability or other issues.
> > >
> > > Which means that your patch only helps the select few that are using
> > > closed-source video drivers, is that correct?
> > >
> > > For everybody else, your patch will mean a tremendous slowdown
> > > instead, is that correct?
> >
> > I have 3D acceleration in open source using DRI.  This patch will help us too.
> I wonder who "us" is :-).  What hardware do you have?
> I've got ATI and the fglrx driver works like fixing a wristclock with
> a large brick works.  Not good.  So I'm on the open source wagon.  I
> imagine that lots of other people are using OS drivers too.  Does
> anyone have a good overview of how many of the more popular OS video
> drivers actually implement enough 3D for the patch to be a Good Thing?

I have Radeon 9200, using the r200 driver from 
The r200 is good enough to play most all games.  r300 works I hear,
but not on my IGP X300.  I do think OS drivers are the way to go so I
hope to help the r300 project out in the the future.

I have no idea on fglrx, never used and don't plan to.

> The patch is fine and all, but if I'm right and there's a lot of
> people using OS drivers that doesn't support the features needed (thus
> making performance worse), this patch should be optional and not
> replace the current working stuff..
> .02 €/£/$/¥

I dunno, it is a legitimate complaint, but it is optional.  I think
the patch requires a registry setting to activate the Opengl depth
conversion stuff.

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