Ok..., that is most certainly true... I don't think that OGL specified the
registers or addresses though......, so it could still be a tough hack.
Drew Northup, N1XIM
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf
> Of Bryan Meredith
> Sent: Monday, November 06, 2000 8:56 AM
> To: [EMAIL PROTECTED]
> Subject: Re: plex86 video proposal
>
>
> Drew Northup wrote:
>
> > I think that you are confusing the API layer with the hardware
> > layer........... Go find yourself a good graphic model of the
> OHCI network
> > model--this model best explains the interaction between
> hardware & software
> > in a system (network, really) like the IBM PC-AT/ATX & IA-32
> architecture.
> > OGL may be how you communicate with the driver...., but the
> driver still has
> > to do the dirty work on the hardware/memory map level.
>
> Unless the driver itself converts GDI (assuming Windows)
> primitives to openGL
> primitives and just passes the lot through to the host. Mesa with
> a new target
> and a couple of wrapper hacks springs to mind. Application openGL
> calls to the
> driver can be passed straight through. As openGL is a client -
> server system
> anyway, there should not be too many architectural problems with writing a
> driver to do this.
>
> OK, without host accelerated openGL, this could be quite slow but
> the interface
> between the host and virtual system reduces to a couple of
> buffers and you have
> the advantages of display lists begin stored on the host, not the
> client (for a
> little speed gain). With a little hackery, frame buffer addresses
> could still be
> passed through in order to speed up direct access for full screen mode.
>
> Just a thought...
>
> Bryan Meredith
>
>
> >
> >
> > > -----Original Message-----
> > > From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf
> > > Of Max-Wilhelm
> Bruker
> > > Sent: Monday, November 06, 2000 6:16 AM
> > > To: [EMAIL PROTECTED]
> > > Subject: Re: plex86 video proposal
> > >
> > >
> > > Why is writing 3d acceleration drivers card specific? One could
> > > implement a Voodoo card emulation, for example, and put the
> OGL commands
> > > through the host's OGL driver. D3D commands could be converted to OGL,
> > > or, if supported by the host, sent to the host's D3D implementation.
> > >
> > > --
> > >
> > > Max-Wilhelm Bruker <[EMAIL PROTECTED]>
> > > ICQ: 14592934
> > > Brukie on IRCnet
> > >
> > >
>
