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StereoGamer

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Posted on Monday, October 06, 2003 - 10:50 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Your going to love this! Where are all you hackers out there? You missed this one for some time. Dual head stereo is possible with Nvidia 3D stereo driver! There are issues and limitations so here is how to do it right...

First you need a Dual head Nvidia card, DOH
Then the StereoViewerType needs to be set to 4
You'll see two monitors displayed in the Stereo control panel, one with a L on it and one with a R on it(yes, left and right views respectively)
Enable both displays via the Microsoft control panel page, NOT with Nview
VERY, VERY IMPORTANT NOTE: (Yelling out loud!)
You must have the settings for both monitors exactly the same!
That is horizontal, vertical, and bit depth, 1024x768x32 for example.
AND you must run the application in this same mode!
You get any of these wrong and you'll see garbage on one or both screens or worse, a reboot. The one that happens most is that the bit depth in the game is different 16 vs 32 or vice versa.

This is the solution for all of you trying to get low cost dual head projection systems working with stereo. It's a whole new ball game...

Cheers
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Ray Price

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Posted on Monday, October 06, 2003 - 11:32 pm:   Edit PostDelete PostView Post/Check IPPrint Post

This falls in line with my response from the NVidia developers saying that this would be available in the next release of the stereo driver. I guess they just need to update the control panel applet.

Good catch!
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Ray Price

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Posted on Tuesday, October 07, 2003 - 2:15 am:   Edit PostDelete PostView Post/Check IPPrint Post

BTW, how the hell did you figure all this out!?
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Anonymous

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Posted on Tuesday, October 07, 2003 - 8:00 am:   Edit PostDelete PostView Post/Check IPPrint Post

What will the CyViz and More3d people do now with their products ?
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Ray Price

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Posted on Tuesday, October 07, 2003 - 3:26 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Sell them to people with Radeon cards? :P

The More3d folks could implement green channel swapping between left and right to give them an edge for those who want to project using LCD and retarders I guess.
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Anonymous

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Posted on Tuesday, October 07, 2003 - 6:40 pm:   Edit PostDelete PostView Post/Check IPPrint Post

The grean chanle swapping (called as well Stereo Bright) technology is a nice idea, unfortunately it does not work well for all projectors. The native ploarization int the LCD projectors is usualy not good enought
+ you can not use additional ploarizer to improve it ...
According Radeon: Can anybody report the stage of page flipping support on it ?
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GianCarlo

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Posted on Tuesday, October 07, 2003 - 7:52 pm:   Edit PostDelete PostView Post/Check IPPrint Post

StereoGamer,

Please tell us the Detonator and Stereo drivers you are using! Also, does this work for OpenGl games as well as DirectX ? That would be a huge improvement. Are you noticing any L/R view swapping when the system gets bogged down? If Nvidia starts supporting this mode that would be AWESOME.
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Thanx Alot

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Posted on Wednesday, October 08, 2003 - 10:13 am:   Edit PostDelete PostView Post/Check IPPrint Post

Please tell me what is DOH?
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Alexander Oest

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Posted on Wednesday, October 08, 2003 - 11:34 am:   Edit PostDelete PostView Post/Check IPPrint Post

I got it working with the Nvidia test application and Return to Castle Wolfenstein. It ran smooth and beautiful. Only tried on two separate monitors, so I had no way of seeing real stereo, but the difference in perspective on each monitor was obvious.

This is amazing... with a stable system such as this it'll be realistic to set up a dual passive projection system that's stable and not too expensive - considering the prices of projectors dropping (e.g. the Infocus X1 DLP projector at a little above €1.000) plus the reasonnable priced non-depolarizing screens of Porrman & Awater, I'd almost be inclined to say, that there's no need to wish for a shutterglasses-capable 120 Hz native rate DLP projector (the price of which would probably be well above that of two X1s) any longer. Though I suppose some testing is nessecary to be sure the Detonator dual method is sufficiently versatile and stable.

My most important specs:
Windows XP pro
Albatron (don't know the model, it's a GeForce4 TI4200 with dual output, one of them is DVI-I)
NVidia 45.23 Detonator and stereo drivers.

Thomas Porrman, if you're reading this: Can you supply a kit consisting of a screen of, say 120 by 90 cm, plus polarizers and polarized glasses? What would the price be?


Alex
...who's very eager to get rid of the bulky and complex CRT+shutterglasses projetion system.

P.S.: You have to have a second monitor attached to the computer to be able to activate the dual monitor output. Just in cast you want to experiment with the settings.

P.P.S.,Regarding "DOH": I belive it to be an expression of something not being the way it ought to be - e.g. not having a dual-VGA card when needing one.
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Ray Price

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Posted on Wednesday, October 08, 2003 - 3:15 pm:   Edit PostDelete PostView Post/Check IPPrint Post

I have also done some testing with version 45.23 and my FX 5900 card. It seems to work great (again on two monitors). I believe this is going to be implemented fully in the 5x.xx drivers which are due out soon, so hopefully the crashes under incorrect configs will be fixed in this release.

Now my thoughts are turning to 2 x Infocus LP530's with a rear projection stuart Filmscreen 200 and polarizing filters. Total cost of the system, approx. $5500.

Sounds expensive, but with a much larger FOV than any headset will be able to provide for the same price probably for the next 5 years, plus the fact that the re-sale value on the projectors will still be pretty good when I want to upgrade to another system, I think is makes sense.

C'mon share options... work for me baby!

Ray

PS, I think 'duh' would be more appropriate than 'doh' :)
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Ray Price

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Posted on Wednesday, October 08, 2003 - 3:18 pm:   Edit PostDelete PostView Post/Check IPPrint Post

BTW, when NVidia officially release this, I am going to personally send them a 'thank you' email. I think it is important for them to recognize how important this step is for the sterescopic community.
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Stereogamer

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Posted on Wednesday, October 08, 2003 - 4:39 pm:   Edit PostDelete PostView Post/Check IPPrint Post

45.23, the latest release has it, but some earlier drivers also have it. Works for OGL games as well. There is nothing like running this in a dark room on a very large screen with the entire scene in front of the screen. It's like your inside the game, holodeck here I come!

Cheers
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GianCarlo

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Posted on Thursday, October 09, 2003 - 10:23 pm:   Edit PostDelete PostView Post/Check IPPrint Post

OpenGL works too?! AWESOME!!! I'll try it soon. Finally I can use up-to-date drivers with my dual-monitor mirrored-stereoscope setup. Thanks StereoGamer! Ray, where do you hear about these upcoming driver releases?
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Christoph Bungert (Admin)

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Posted on Saturday, October 11, 2003 - 4:50 pm:   Edit PostDelete PostView Post/Check IPPrint Post

###I'd almost be inclined to say, that there's no need to wish for a shutterglasses-capable 120 Hz native rate DLP projector###

Oh come on, the list of advantages of a single-projector-shutterglasses system is soooo long.

C.
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Ray Price

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Posted on Sunday, October 12, 2003 - 4:21 pm:   Edit PostDelete PostView Post/Check IPPrint Post

I heard directly from the nVidia developers. I sent them an email asking about dual output and got the reply...

'This capability will be available shortly. Check back for more information in 1 week.'

My guess is that this will be in the new 5x.xx drivers.
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Bjoern

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Posted on Monday, October 13, 2003 - 10:39 pm:   Edit PostDelete PostView Post/Check IPPrint Post

@all:

for setting StereoViewerType open regedit and go to HKEY_LOCAL_MACHINE / SOFTWARE / NVIDIA Corporation / Global / Stereo3d/

set variable "StereoViewerType" to the value "4".

I saw the two monitors displayed in the Stereo control panel !

@StereoGamer:

But what do you mean with "Enable both displays via the Microsoft control panel page" ??? And what about Nview ? Have it set to clone, to horizontal mode or just do disabled ?
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Bjoern

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Posted on Monday, October 13, 2003 - 11:20 pm:   Edit PostDelete PostView Post/Check IPPrint Post

@all: Got it to work now, too :-)

I have 2 beamer and a polarisation system. As graphic-card a gforce from asus (ti 4600 with two outputs, one is dvi).

I testet only some minutes with two games: "mafia" and the demo of "x2 the threat". Both it work and I got a stereo-game :) You have to figure out the stereo-parameters of course and I tried only some minutes now and not optimized the parameters.

The more3d-driver (4.04) is on my system more performant than nvidia - particular in the x2-demo on some complex scenes the nvidia was a lot slower than the more3d. But it may be that actualy there is a lot of debug-code in the nvidia - so we have to wait for the final version to compare them realy fair.

But in mafia the more3d driver have some probs with lights on the distance - the nvidia not.

So far it seams actualy both drivers have advantages and disadvantages.
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biosylum

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Posted on Thursday, October 23, 2003 - 1:58 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Umm just for the uninitiated.... DOH! is a wonderful bit of americana which has its origins in the mind of Homer Simpson. I am surprised this hasn't seeped into every american by now.
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RAGEdemon

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Posted on Friday, October 24, 2003 - 8:32 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Not everybody is from the US :-)

Has anybody managed to get this working in any way with shutter glasses?

Any input will be greatly appreciated.
I'm planning to buy 2x Infocus X1's cheap and use with shutter glasses. Any input on if this would work well?

If so, will it be limited to 60Hz... even though in theory there should be no refresh cap.

Damn, a £700 SVGA 3d, and now 2x projectors, all in the name of a realistic gaming experience, and all from a poor student's measley income... i must be mad :-)

StereoGamer, you say you got it to work well?
Also you used a common word in scotland as a greeting: "cheers"... are you residing in the UK by any chance? :)

-- RAGEdemon
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StereoGamer

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Posted on Wednesday, October 29, 2003 - 1:41 am:   Edit PostDelete PostView Post/Check IPPrint Post

Not sure exactly how or why you would use shutter glasses with dual projection. Maybe you can enlighten me and I might be able to give an answer to your question(s). I used it with passive polarized glasses(different filter over each projector) and it works just great that way. Plus 60hz is sufficient.

Cheers (not from the UK, tho)
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RAGEdemon

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Posted on Wednesday, October 29, 2003 - 2:28 pm:   Edit PostDelete PostView Post/Check IPPrint Post

The main reason is i cannot afford polarised filters/lenses. Poor student here with minimum budget, already owning shutter glasses though.
Apart from htis, i have no experience with polarisation, or even know how it compares with shutter glasses. I understand th basic principles, but it reminds me too much of old red/blue anaglygh setups, to which shutter glasses are far superior.

Would appreciate any info
--RAGEdemon
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Anonymous

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Posted on Wednesday, October 29, 2003 - 3:09 pm:   Edit PostDelete PostView Post/Check IPPrint Post

guys start a new topic or something, theres nothing about nvidia's drivers, there not even out yet........
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Alexander Oest

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Posted on Wednesday, October 29, 2003 - 4:53 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Anonymous,

You're wrong. Seperate L/R output can be enabled in the current driver (45.23). Admittedly, the fact that it has to be done by editing the registry is not explicit in the above posts (but implicit in the talk about changing StereoViewerType).

Alex
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Alexander Oest

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Posted on Wednesday, October 29, 2003 - 5:20 pm:   Edit PostDelete PostView Post/Check IPPrint Post

RAGEdemon,

How do you plan to use the two projectors - and to exclude left respectively right image? Would you put a shutter panel in front of each projector? You'd probably loose a lot of light that way.

You could also use a spinning disc with holes in front of the projectors, but I imagine it'd be really expensive (more than polarizers, etc.) ...unless you are able to make it yourself.

My guess is that polarizing is the way to go, if you want a two-projector setup. The price of non-depolarizing screen, polarizers and glasses would probably be negligable, considering that you're willing to buy two projectors.

Btw, I've bought a set of non-depolarizing foil, polarizers and glasses from Porrmann & Awater due for delivery in a couple of weeks. I'll let you know how it works once I've tried it out.

Alex
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RAGEdemon

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Posted on Wednesday, October 29, 2003 - 8:26 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Sorry, perhaps i did not give ebough info.

I was under the impression that the signal being output from the cards, even of on different channels, would still give out a syncing signal to the glasses, through a normal pass-through cable on one or both the outputs that eg the revelators use. The left and right projector would give out their respective images at ie 60Hz but each synched to each eye of the shutter glasses. One could therefore use shutter glasses just as they would on a normal monitor, but obviously on a much larger screen. The first post lists that the configuration of the projectors should be identical, which also suggests this is what would take place.

If it is a part nVidia stereo driver made for shutter glasses, then one would assume this is the functionality of outputing stereo signals. After all, minimal programming is needed to also output a syncing signal simultaniously, and allow for a much wider user base and compatibility.

I also have the i-Glasses SVGA 3D which i use as a dual monitor setup. The card outputs a perfect stereo image to the HMD, but only one image to the monitor, but which is still synched perfectly. The pass-through must be attatched to the primary device for this to work.

Perhaps the signal really in synched and no-body has tested it?

--RAGEdemon
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StereoGamer

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Posted on Wednesday, October 29, 2003 - 10:12 pm:   Edit PostDelete PostView Post/Check IPPrint Post

"One could therefore use shutter glasses just as they would on a normal monitor, but obviously on a much larger screen."

On a normal monitor you are presenting the appropriate left and then right image in time with the switching of the glasses. In dual projection mode you are presenting BOTH images SIMULTANEOUSLY. So the use of shutter glasses will not work unless you make the projectors wear the glasses also. And in that case you don't need the DDC signal.

Cheers.
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RAGEdemon

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Posted on Wednesday, October 29, 2003 - 11:04 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Thats a great shame... could have worked out beautifully. Ta for info SG.

--RAGEdemon
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Anonymous

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Posted on Thursday, October 30, 2003 - 2:32 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Hi Alexander,

sorry, I read this thread very late. The SilverFabric site is up on www.silverfabric.com for further infos about the new silver screen material.

best wishes
-Thomas Porrmann
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Dr Robin Hollands

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Posted on Wednesday, November 05, 2003 - 8:44 am:   Edit PostDelete PostView Post/Check IPPrint Post

To RAGEdemon,

No need to be worried about the price of polarising lenses and filters etc. Check out www.Reel3d.com. The lenses will set you back about $16, and the glasses can be even cheaper (about $3). You'll need to hunt around for a polarisation preserving screen (e.g. front projection silver surface), but you may find one on ebay if you are on a strict budget.

And remember, because you're using passive stereo all your friends can join in using the £5 glasses too!

I'm afraid I'm not a regular frequenter of this forum, so please email me at r.hollands@aims-solutions.co.uk for a quick response to any questions.

Cheers,

Robin
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GianCarlo

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Posted on Tuesday, November 11, 2003 - 6:47 pm:   Edit PostDelete PostView Post/Check IPPrint Post

I've loaded ASUS's 45.23 Detonator and NVidia's 45.23 stereo driver and am trying out the dual-head stereoviewerType set to 4 method. So far, the following games work beautifully with perfect stability:

Unreal Tournament
Unreal Tournament 2003
NOLF2

However, the following games don't work this way:

Dungeon Siege
Half-Life

What happens on these two games when stereo is enabled is that the left monitor shifts to show the left view but the right monitor never activates. It remains blank. Also, OpenGL mode for Half-Life won't work at all anymore, even in mono-mode. My roommate tells me that he can only get his OpenGL games to work with his GeForce if he disables the second monitor. I'll have to see if that fixes the problem, but of course, that rules out dual-head stereo. Sigh.

Does anyone have similar problems? Which OpenGL games has anyone got working using this dual-head method? I'm very curious to know.

My Specs: Win98SE, ASUS 8460 ti4600 with VGA and DVI-I output.
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GianCarlo

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Posted on Sunday, November 16, 2003 - 11:03 am:   Edit PostDelete PostView Post/Check IPPrint Post

I'm having another difficulty with this method. When I switch to stereo mode, my right display is always a lot more washed out. The in-game gamma, contrast, and brightness controls only affect the left view. The gamma control in the stereo panel unfortunately affects both views. I can adjust the left view to make it washed out also :P , but I have no way to adjust the right view to give it more contrast and vibrancy to match the left view. The hardware controls on the right view monitor itself aren't enough to fix the problem and the color management properties don't apply in Direct3D unforunately. I wish they did. Anyone else have this problem? Is there a way to swap views or change which port is the primary? Then maybe I could adjust the monitor with in-game controls...
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GianCarlo

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Posted on Monday, November 17, 2003 - 8:13 am:   Edit PostDelete PostView Post/Check IPPrint Post

I'm sorry, I discovered that the software color management properties for each monitor to hold when stereo is applied in a D3D game. So I was able to fix the washed out color of my right monitor this way! Hooray! Unfortunately, the washed-out effect seems to vary from game to game, it will have to be adjusted on a game-by-game basis. :( Oh, well. I still would like to hear feedback on OpenGL games and for games like Half-Life and Dungeon Siege where the right-view monitor fails to activate in this dual-head stereo mode. By the way, I was only able to get Half-Life to work in OpenGL mode by disabling the second monitor :( . That certainly kills the dual-head stereo effect! Has anyone discovered a solution to this? What OpenGL games has anyone got to work in Dual-Head stereo mode? Is the SoftQuadro method (which I never got to work) the only way?
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Anonymous

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Posted on Monday, December 01, 2003 - 11:56 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Hello everyone,

would someone care to explain to me again and what does it mean by "activate in the control panel page?"

I see the L/R monitor under Stereo properties, but exactly how do i activate this L/R monitor onto my 2 monitor?

By the way, when I activate my 2nd display is it in (Dualview or Clone)?

Sorry, I'm really confused the whole things if someone care to have a details explanation again I'd really appreciate a great deal.


MY SPECS: WINXP SP1, ASUS 5600 FX WITH DUAL-VGA AND DVI-I OUTPUT, EYE3D PREMIUM, drivers/stereo
45.23/45.23

Thanks everyone in advance!
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Alexander Oest

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Posted on Monday, December 08, 2003 - 10:41 am:   Edit PostDelete PostView Post/Check IPPrint Post

There are two ways of activating dual monitors: In the nVidia driver settings and in Windows' display properties accessed via Windows' control panel.

Dual monitors should be activated by the Windows properties, not in nVidia's interface.

IIRC, I just left the nvidia dual settings untouched, so they probably shouldn't be enabled at all. Not too sure about that, though (I'm not sitting by my stereo computer at the time).

Alex
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Anonymous

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Posted on Wednesday, December 10, 2003 - 2:25 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Hi Stereogamer,

I am using the a Quadro980xgl graphics card and am having trouble getting this to work. I have the L and R available by changing the StereoViewer Type to 4 and have had to upgrade to Windows Xp Pro so that I can enable the second display using the Control panel rather than the nView Tab since Windows 2000 does not allow you to enable the display other than through the nView Tab. Anyway I do everything as you say and when I try the "Launch Stereo Test Application" it only appears on one screen! If i have clone mode in use I get images on both screens but they are identical instead of left and right images! ANy thoughts? Is it down to the board I am using? I need this board since I need to be able to use the Quadbuffered stereo API function for running software such as 3D Studio Max in 3D using nView Clone mode as the stereo output. Any help would be appreciated. I had the stereo gaming running as Ray Price had using a GeForce4 board and windows 98, but have been unable to get any other combination working for gaming!
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StereoGamer

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Posted on Wednesday, December 10, 2003 - 5:23 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Quadro should work, unless there is some bug in the driver. All I can think of is to make sure that you have workstation stereo off and that the resolution and bit depth of the two outputs are exactly the same as well as what you select when you run the stereo test app. but I'm sure you thought of these already.

Cheers
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Anonymous

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Posted on Thursday, December 11, 2003 - 9:40 am:   Edit PostDelete PostView Post/Check IPPrint Post

Thanks Stereogamer for the advice on the Quadro 980xgl board, I've tried it with both the workstation stereo on and off and the res and colour depth were all identical in both the displays and in the Stereo Test App! I take it Direct X will have no influence on this? Should I install the latest version? I am in the process of downloading the latest version of Display and Stereo drivers from the nVidia site in case there was a corruption when I initially downloaded but I have tried various different version of the drivers already and wouldn't imagine all were corrupt! Is there any difference between the nVidia Quadro display driver and the GeForce display drivers? ie is version 45.23 of the GeForce identical to version 45.23 Quadro display driver? I've even tried downloading the GeForce version and using it but the same problem exists. I note you mention in one of your postings that the same version Stereo and Display drivers should be used is this critical? Could I use a newer display driver with an older Stereo driver? What is the first version of the display and stereo drivers that allows this capability? Any help is greatly appreciated!
Steven
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Anonymous

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Posted on Friday, December 12, 2003 - 11:31 am:   Edit PostDelete PostView Post/Check IPPrint Post

Stereogamer,

I think I have found the problem with of why my Quadro card does not work! I finally got the Stereo Test App to work. I was having a problem with teh Workstation Stereo and tried uninstalling and reinstalling the Display driver to get it working but Plug and Play kept detecting th Graphics card and reinstalling the nVidia Display drivers even though I was not telling it to do so. I was theerfore unable to simply go into Add/Remove Programs and uninstall the driver. I manually uninstalled the drivers and after a number of attempts was fianlly able to do this. I then installed the 45.23 Display and stereo drivers and the Stereo Test App worked. I am assuming that whenever I was trying to uninstall the version of Display driver I had and then reinstall a specific version of the display drivers that some remnants of the old driver were stopping a full install!!! Anyway it was working. The only problem was that the 45.23 display driver did not have the "nView Display modes" functionality listed at the left ie I was unable to click Clone, Single, DualView etc since I could not see these instead there were listings for Device Selection and Color Correction and in the device selection I was only able to Detect Displays and Adjust their properties. I was teherfore unable to try the Workstation Stereo as I could not select Clone although in OpenGL properties I was able to Enable Quadbuffered Stereo and Select nView Clone mode as the Stereo viewing option. ANyway I am in the process of Installing another version of the Display Driver and seeing if can get both Workstation and Gaming stereo working.
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Anonymous

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Posted on Friday, December 12, 2003 - 11:44 am:   Edit PostDelete PostView Post/Check IPPrint Post

DOH! and DUH!
Just realised why the Device Selection and Color Correction were showing instead of nView Display Modes. Will re-try Version 45.23 drivers now.
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Anonymous

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Posted on Friday, December 12, 2003 - 2:41 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Dah Dah !!

Have both working repeatably and both are stable unfortunately can't run both with same set up of drivers, ie I need to uninstall the Consumer 3D stereo drivers to get the Workstation Stereo working and conversely not have the Workstation stereo set up when I install the Games drivers or else these stereo games drivers don't work. If any of the nVidia guys are reading this then perhaps they can think up a solution to get both working simultaneously without having to change the drivers about, and release a better version of Detonator RIP since it doesn't do what it says on the tin, namely remove all traces of the Detonator drivers after they have been uninstalled. That said it is wonderful that nVidia have incorporated this feature into the new drivers and if Ray Price is reading this then perhaps he will pass my thanks on to the nVidia contact he has since the more people who want this and let nVidia know they want this the better it will undoubtedly become.
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StereoGamer

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Posted on Saturday, December 13, 2003 - 1:28 am:   Edit PostDelete PostView Post/Check IPPrint Post

"Only tried on two separate monitors, so I had no way of seeing real stereo, but the difference in perspective on each monitor was obvious."

Just a side note: If you stand back far enough from these two monitors you can use free viewing and see the stereo effect. I used to not be able to do this, but after some time with stereo, now I can without any strain. Make sure you're not too close though.

Cheers.
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Anonymous

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Posted on Tuesday, January 06, 2004 - 8:26 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Hi evrybody!

I want to know if I can play a game (Homeworld series) on "stereo" with that system:
MSI MoBo (Delta series, nForce2)
AMD XP 2200+
2x256Mb DDR
gForce FX 5200 (MSI), dual view (second,DVI)
ONE monitor
WinME instaled

What drivers I need (from where, what link?)
What I have to do? (some registry messing?)

P.S. I read this forum VERRY rarely, can some one
mail me at "iulianbr@yahoo.com" ? I would grately apreciate this!!! 8o)

P.P.S Escuse my poor english, I learned english alone! 8o)
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Anonymous

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Posted on Friday, January 09, 2004 - 10:26 am:   Edit PostDelete PostView Post/Check IPPrint Post

Hi guys,

Managed to get both the games and Quadbuffered stereo working without having to unistall the software. It was another DOH! moment....it is pretty obvious but it is amazing what we seem to overlook at times. All that needs to be done is to disable the stereo under Stereo Properties of the control panel and then clone the screens to get the Quadbuffered working and conversely disable clone mode then enable the second screen through the control panel window and enable stereo under Stereo Properties to get the games working!

Steven
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yfmain

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Posted on Tuesday, August 10, 2004 - 11:19 am:   Edit PostDelete PostView Post/Check IPPrint Post

i'm a bit late, but i have some update of this topic. Hope all you guys are still here.

I have got a very good system to play stereo games,
2*22inchs monitors,
pny dual head quadro4 XGL 750 video card,
Intel P4 2.8G processor,
512 DDR Memory
Detonator and Stereo driver 5.6.6.4 - These are the latest version i have got them working in my system.

with the method from StereoGamer(with many thanks), i managed to run many directx games runing perfectly(actually, every directx game i tried is working), such as Unreal II, Comanche 4, Microsoft Flight simulator 2004, Pain Killer, and more recently, the Doom 3.

But, like all you guys, i still have problems to deal with the OpenGl games, which never appear at my second monitor, no matter i active the softquadro with twinview stereo or disable the stereo mode. have any of you figured this out?

bye for now, i will update this if i have got any progress.
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GainCarlo

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Posted on Thursday, August 12, 2004 - 8:24 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Sorry, I'd like to know, too. From what I've read, it's only possible with Games and Apps that have support for 3D coded into them, such as some of the old Quake and Descent games, but I could be wrong about all that. Anyone?
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StereoGamer

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Posted on Thursday, August 12, 2004 - 10:17 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Wrong. This is using NVIDIA's stereo driver which they claim works with over 1000 games, none of which have been modified to support stereo. It's an override so it effectively works on all games. Only games it doen't work on are ones that don't do regular 3D correctly or don't use 3D at all. (Minus, of course the driver bugs that are inherent in trying to support something non-standard on that many games.)

- Stereogamer
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GianCarlo

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Posted on Monday, August 16, 2004 - 10:20 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Stereogamer, yes NVIDIA's stereoscopic driver works in thousands of games, D3D and OpenGL, in the page-flipped mode. However, I have yet to hear of anyone getting an OpenGL game to work in the "hidden" Dual-Head mode (if anyone has, please post how you did it!). The second monitor does not activate. This is kinda understandable since I've read that getting multiple monitors to work for stuff in D3D is relatively easy to code whereas it's not as native to OpenGL.

The other method besides the stereoscopic driver to get dual-head OpenGL is to use the professional Quadro feature "twinview stereo" or something like that. I've read that this feature only works with OpenGL apps that were designed for it. Please correct me if I'm wrong because I would like to be. :)
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Peter Wimmer

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Posted on Tuesday, August 17, 2004 - 5:36 pm:   Edit PostDelete PostView Post/Check IPPrint Post

The hidden modes in the NVIDIA stereo driver can be activated by creating the following registry key (copy the lines to a text file with extension .reg and doubleclick it in Explorer)

-------------------------------------
REGEDIT4

[HKEY_LOCAL_MACHINE\SOFTWARE\NVIDIA Corporation\Global\Stereo3D]
"ShowAllViewerTypes"=dword:00000001
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M.H.

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Posted on Tuesday, August 17, 2004 - 6:55 pm:   Edit PostDelete PostView Post/Check IPPrint Post

GianCarlo : Have you been able to activate dual monitor output for wrapped DirectX games ?
It is not so easy - both monitor must be in exact same configuration ...
I belive tha nVidia drivers internaly translate DirectX and OpenGL commands into one common meta-language => OpenGl and DirectX wrappers work identicaly. This architecture should reduce the work duplication ...
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GianCarlo

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Posted on Wednesday, August 18, 2004 - 12:21 am:   Edit PostDelete PostView Post/Check IPPrint Post

DirectX games yes, "Wrapped DirectX" games, no... well, at least I don't think so... can you give me an example of one? I did get D3DQuake to work. Is this an example of a "Wrapped DirectX" game? Is it easily possible to "wrap" an OpenGL game like, say, Return to Castle Wolfenstein?
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GianCarlo

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Posted on Wednesday, August 18, 2004 - 12:30 am:   Edit PostDelete PostView Post/Check IPPrint Post

Oh, I should have re-read this thread earlier, you're saying RTCW and other OpenGL games work great! OK, I need to try it again!
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M.H.

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Posted on Wednesday, August 18, 2004 - 9:26 am:   Edit PostDelete PostView Post/Check IPPrint Post

GianCarlo: "Wrapped DirectX" - this is the correct name for the mode youa re already using.

According OpenGL stereo wrapping and cloned mode - I had just tested that full screen exclusve OpenGl applications are stereoscopicaly wrapped in identical way as full screen DirectX applications. No difference. When the clone mode works for your DirectX things, it should work for full screen exclusive OpenGl things (typicaly OpenGL games) as well ...
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GianCarlo

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Posted on Thursday, August 19, 2004 - 10:57 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Ok, I tried Oni and RTCW last night, two OpenGL games, using the Stereoscopic Driver's dual-head mode (StereoViewerType 4). They both worked!!! Hooray! This opens up so many more games I can now play with my mirrored stereoscope.

By the way, I did find that the hotkey to enable stereo in the game (Default = Cntl+T) doesn't always work the first or even fifth time. I just have to keep punching the keystroke until it works. This is probably what made me think it didn't work the first time I tried an OpenGL game.
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Anonymous

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Posted on Wednesday, December 08, 2004 - 12:16 pm:   Edit PostDelete PostView Post/Check IPPrint Post

The method is good and the cost of these is low,thank you!!
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GianCarlo

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Posted on Thursday, December 09, 2004 - 12:06 am:   Edit PostDelete PostView Post/Check IPPrint Post

Anonymous, I'm not sure if you're referring to the dual-head mirrored stereoscope approach, but if so, great! I hope you're enjoying the low-cost, ghost-free alternative until HMD's and projectors get better and cheaper. The mirrors are a little heavy though. I still need to either build some kind of stand or add some weight in the back to balance it out. Same problem HMD's face.
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StereoGamer

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Posted on Sunday, March 13, 2005 - 3:39 am:   Edit PostDelete PostView Post/Check IPPrint Post

Just to try and get the message out about the new 71.84 drivers and how they now support dual VGA in clone mode, posting this here:

Just spent some time with this setup. Used to be with the old drivers you had to use dual view and set all the heads to the same resolution and bit depth AND run the game in the same mode. A little awkward.

Now you set the system in clone mode with stereo enabled or enabled by hotkey and when the game does a mode change both heads change, plus when stereo is activated, you get the left/right views on the two heads in that same mode. Much simpler and works pretty clean. Granted "clone mode stereo" is an oxymoron, but it does work nicely.

- StereoGamer
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GianCarlo

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Posted on Monday, March 14, 2005 - 9:16 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Hooorayyy!!! :) :) :)

I'll try this ASAP!
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GianCarlo

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Posted on Monday, March 14, 2005 - 9:19 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Wait, has anyone tried this with a 6600 or most especially a 6800 card?
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StereoGamer

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Posted on Tuesday, March 15, 2005 - 2:06 am:   Edit PostDelete PostView Post/Check IPPrint Post

Yes, works like a charm!

- StereoGamer

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