Re: Tricking program into seeing actual gfx driver not WINE's

[Seth Shelnutt]

Why only when an Nvidia board is detected? Should it not be possible to
detect and display a driver version and card regardless of motherboard? Also
is this support built into WINE or do you have a set of patches to enable
it?

On Sat, Jul 5, 2008 at 3:38 AM, Roderick Colenbrander 
wrote:
> The only thing we aren't setting are proper strings for the rest we show an
> nvidia driver version number and card when an nvidia board is detected.
> Though we don't show the actual card in various cases as we make an
> estimation based on glxinfo output and some other things. This is because we
> can't get pci ids from X, relying on e.g. /proc/bus/pci/devices is not the
> way to go.
>
> Roderick
> > Datum: Sat, 5 Jul 2008 00:17:09 -0400
> > Von: "Seth Shelnutt" 
> > An: [e-mail]
> > Betreff: Re: Tricking program into seeing actual gfx driver not WINE's
> > What options do I need to change in order to compile WINE with support
>
> for
> > the more GPU specific information?
> >
> > Also when changing the following lines of code in order to change the
> > output
> > of IWineD3DImpl_GetAdapterIdentifier to for now identify it as a 8800 GT
> > with 173 drivers, would the second lines of code be correct? I just want
> > to
> > make sure "driver" actually means "driver" Which would be "nvidia 173.14"
> > and description simply the card correct?
> >     Adapters[0].driver = "Display";
> >     Adapters[0].description = "Direct3D HAL";
> >
> >
> >
> >     Adapters[0].driver = "Nvidia 173.14";
> >     Adapters[0].description = "Nvidia 8800 GT";
> >
> >
> > Also if this is the case would it not be easy to simply grab the driver
> > version from the xserver, or atleast the xserver would give you the card
> > and
> > brand, Nvidia 8800GT but I am not sure how to get specific driver
> > information. I'm looking for a command but glxinfo is only opengl info,
> > and
> > I've yet to find anything else.
> >
> > On Fri, Jul 4, 2008 at 8:45 AM, Stefan Dösinger 
> > wrote:
> > > Actually we have quite a bit of code to tell the app more about the
>
> GPU
> > > and not just provide a generic wine one. This is needed because some
> >
> > games
> > > insist on a proper GPU PCI ID. We don't report and GPU-specific
>
> renderer
> > > strings yet, but that should be rather easy to add, if you look at the
> >
> > PCI
> > > ID reporting code. Currently you have to recompile for that, but you
>
> are
> > > welcome to send a patch that solves this problem in a generic way and
> >
> > send
> > > it to wine-patches.
> > >
> > > The more troublesome problem is that Wine does not have any CUDA
>
> support
> > at
> > > this point. The Windows CUDA DLL will not make you happy, because it
> >
> > talks
> > > to the Windows hardware drivers. Thus we need an implementation of this
> > > cudart.dll which calls the Linux cuda cudart.so instead. (And then hope
> >
> > it
> > > works out)
> > >
> > > *From:* [e-mail] [mailto:
> > > [e-mail]] *On Behalf Of *Seth Shelnutt
> > > *Sent:* Thursday, July 03, 2008 10:24 PM
> > > *To:* [e-mail]
> > > *Subject:* Tricking program into seeing actual gfx driver not WINE's
> > >
> > > Hello All,
> > >
> > > We have run into an interesting problem while trying to get the latest
> > > version of Stanford's Folding at Home GPU client to work in Linux via
> >
> > WINE.
> > > The programs says it does not detect a compatible GPU. Even when the
> >
> > user
> > > has installed the correct Nvidia drivers (with CUDA support)  and has a
> > > compatible GPU. The problem I believe lies in  the fact that the
>
> program
> > is
> > > not told that there is a Nvidia 8800 installed, instead by the nature
>
> of
> > > WINE it see that  "WINE" is the graphics card, as WINE first translate
> >
> > the
> > > direct3d calls into opengl calls that are then passed on to the GPU. So
> >
> > the
> > > question is, is it possible to trick programs into believing they are
> > > running on the right hardware? (As in fact they are).
> > >
> > > I remember a while ago the steam system spec survey was used to see how
> > > many people run steam via WINE. This was done by noting the graphics
> >
> > driver
> > > installed and how the wine one appeared when running WINE. Well this is
> >
> > fine
> > > but what we need is a way to make the program to see that it is
>
> actually
> > > running on Nvidia hardware. Because if the client would just start then
> >
> > the
> > > direct3d calls can be translated into opengl calls and the Nvidia linux
> > > drivers can then handle them and run it all fine and dandy.
> > >
> > > Here is the post, with error message about wrong graphics card
>
> detected,
> > > http://www.ocforums.com/showpost.php?p=5698997&postcount=19 .
> > >
> > > Thanks,
> > >
> > > Seth Shelnutt
>
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