On Mon, 10 Jan 2005 17:34:50 +0100, Paolo wrote in message <[EMAIL PROTECTED]>:
> > -----Messaggio originale----- > > Da: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] Per conto di > > Arnt Karlsen > > Inviato: lunedà 10 gennaio 2005 15.17 > > A: FlightGear user discussions > > Oggetto: Re: R: [Flightgear-users] 3D Glasses? > > > > > > On Mon, 10 Jan 2005 10:59:22 +0100, Paolo wrote in message > > <[EMAIL PROTECTED]>: > > > > > > -----Messaggio originale----- > > > > Da: [EMAIL PROTECTED] > > > > [mailto:[EMAIL PROTECTED] Per conto di > > > > [EMAIL PROTECTED] > > > > Inviato: venerdà 7 gennaio 2005 20.07 > > > > A: [email protected] > > > > Oggetto: [Flightgear-users] 3D Glasses? > > > > > > > > > > > > Hi, > > > > > > > > I'm looking to make the flight experience a bit more > > > > realistic visually. Has anybody messed around with goggles > > > > that connect to the PC? I see some sort of goggles on the web > > > > but I have no idea as to whether they are any good with > > > > GlightGear. > > > > > > > > http://www.x3dshop.com/techsupport/productsupport/system/default.html > > > > > > I'm quite sure it works for Direct3D only (infact you need the > > > NVIDIA Stereo Driver, which is Direct3D-only), yet Flightgear is > > > OpenGL-based. Many Direc3D-based games can be experienced in > > > stereo though. Whilst an ordirary feature of nVidia Quadro line, > > > in the past there was a trick (SoftQuadro) for allowing to set up > > > a stereo mode for GeForce gfx cards too, but it's no longer so > > > easy to accomplish. The good things with 3D googles is that, > > > generally, they are independent of how the gfx card sets up the > > > stereo mode, so there's no barrier, in principle, to work with > > > OpenGL graphics. In practice we face two problems that make the > > > task more than difficult: > > > > > > 1. For strategic reasons game-oriented graphics cards don't allow > > > to set up a stereo rendering context in OpenGL (otherwise there > > > no longer were a market for e.g. the nVidia Quadro or the ATI > > > FireGL lines of products); > > > > > > 2. the mechanism for doing stereo for a non stereo-aware > > > application, such as Flightgear, just relies on some driver-level > > > trick, which, likely, is easier for well-behaving Direct3D than > > > for OpenGL'es. The problem is not only in creating the stereo > > > OpenGL context, yet much more in generating the two separate > > > views corresponding to the left and right eyes. This is normally > > > done expicitly in stereo-aware OpenGL applications, but in > > > Direct3D this can be (and this is how the NVIDIA Stereo Driver > > > works) done transparently to the application. > > > > ..are you saying we can do stereo with "texturing" tricks or > > some such? > > No, anyway, but I hope to understand what you mean. .. ;-) '"texturing" tricks or sumesuch' are being used by these guys: On Thu, 16 Dec 2004 10:53:05 +0100, Arnt wrote in message <[EMAIL PROTECTED]>: > Hi > > ..another way to run code: http://gpgpu.org/ , for a wee quick intro, > chk out: > http://www.ece.ucdavis.edu/~jowens/talks/owens-hpec04-gpgpu.pdf > > ..note how they waaaaaaaaaaaaaaaaaaail for killer apps. ;-) > > .."formation flight": http://wwwx.cs.unc.edu/~tgamblin/gpgp/ ;-) ..this is well worth a look. > ...more gory details: http://gamma.cs.unc.edu/GPGP/ > http://www.daimi.au.dk/~mosegard/GPGPU_E04 > > ..and, ahem, an app: http://flightgear.org/ ;-) > > ..so, if I cheat, by stuffing in 5 pci nVidea "math" cards beside my > new 1xAGP 9250, my trusty 5 yr old AMD K6-2 450MHz can run > in circles around anything on the market for another 5 years? ;-) > ..since then, I found these (some links span 2 lines and have spaces in their directory or link file names) to spoonfeed you: http://www.eet.com/showArticle.jhtml?articleID=55300904 http://gpgpu.org/cgi-bin/blosxom.cgi/ Audio and Signal Processing/index.html http://gpgpu.org/cgi-bin/blosxom.cgi/ Advanced Rendering/index.html http://gpgpu.org/cgi-bin/blosxom.cgi/ Scientific Computing/index.html http://gpgpu.org/cgi-bin/blosxom.cgi/ High-Level Languages/index.html http://gpgpu.org/cgi-bin/blosxom.cgi/Miscellaneous/ Developer Resources/index.html http://gpgpu.org/cgi-bin/blosxom.cgi/Miscellaneous/index.html http://openvidia.sourceforge.net/ http://www.strangebunny.com/techdemo_stokes.php ..note that the latter is useless to us as it requires DirectX 9. ..I would guess that if these tricks can pulled off on these cards, stereo video can be done too, regardless of how Microsoft or anyone else might feel about it: http://gamma.cs.unc.edu/GPGP/ On Mon, 10 Jan 2005 17:34:50 +0100, Paolo wrote in message <[EMAIL PROTECTED]>: > I just say that there's no support to automatically (i.e. > transparently to the application) make an OpenGL application to > display in stereo - you need to both enable it (as far as it's > supported by the hw/driver) and explicitly generate the two different > views (draw twice, each with the proper camera offset). > > This is different in Direct3D: software such as the NVIDIA Stereo > Driver does the dirty work for your app, with 90% probability that it > works. The remaining 10% apps don't use Direc3D properly, so the > driver looses its bet. ..chances still are Direct3D is a dead end street: http://gpgpu.org/cgi-bin/blosxom.cgi/index.html?find=Direct3D&plugin=find&path=Miscellaneous%2FDeveloper+Resources -- ..med vennlig hilsen = with Kind Regards from Arnt... ;-) ...with a number of polar bear hunters in his ancestry... Scenarios always come in sets of three: best case, worst case, and just in case. _______________________________________________ Flightgear-users mailing list [email protected] http://mail.flightgear.org/mailman/listinfo/flightgear-users 2f585eeea02e2c79d7b1d8c4963bae2d
