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Seb

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Posted on Tuesday, December 12, 2000 - 8:20 am:   Edit PostDelete PostView Post/Check IPPrint Post

Hi All,

Does the VFX3D currently support OpenGL in any way at all? The IIS website mentions DirectX but not OpenGL.

Specifically I'm interested to know if as a programmer I could create a (test) OpenGL application that output in stereo using the VFX3D as the display.

Ideally I'd like to be able to do this in both Linux and Windows... using GLUT perhaps?

If the software/driver(s) have yet to be developed to make this possible then I'm willing to volunteer. Furthermore, I'm keen to purchase a VFX3D if I or someone else can implement stereo OpenGL output to the VFX3D.
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Alex

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Posted on Tuesday, December 12, 2000 - 9:49 am:   Edit PostDelete PostView Post/Check IPPrint Post

Hi,

I'm really not a specialist... but what I have understood is that DirectX generates a 3D picture (2D + z-buffer value); this value is used to create two 2D pictures (one for each eye).

I don't know if you can do the same with OpenGL.

Alex
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Michal Husak

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Posted on Tuesday, December 12, 2000 - 3:04 pm:   Edit PostDelete PostView Post/Check IPPrint Post

If I catch O.K. the VFX3D function, it require
progressive scan alternat line format in 640x480
resolution for stereoscopic visualisation.
It means that it require interlaced input
(no HW page flipping or above/below format)
and it shows odd and even lines for each eye.
Methods of stereoscopic OpenGl creation of this format (suitable for line-blanking LCD glasses as well) are described on my WWW:
http://mysak.umbr.cas.cz/~husakm/Public/StereoOpenGL/StereoscopicOpenGLTutorial.htm
The described technique is HW independent,
it works even on graphic cards with no OpenGL
HW support ... You must undesrteand a bit
deep to OpenGL to catch how the stencil buffer trick works, but the source codes are self explanatory (as I hope). Let me know, if any trouble ....
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Steve@IIS

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Posted on Tuesday, December 12, 2000 - 3:37 pm:   Edit PostDelete PostView Post/Check IPPrint Post

We have a third party developer working on creating a OpenGL driver as we speak. When complete it will allow the VFX3D to work with any OpenGL application, including Windows NT. We have already tested it with some games etc. and it seems to work well. It will be integrated into the launcher sometime early next year. Secondly a German company called http://www.lightcube.de/, they have created a OpenGL based game engine that will be available soon to developers. It has native support for the VFX3D tracking and Stereo.

Steve
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Anonymous

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Posted on Thursday, December 14, 2000 - 4:30 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Good page Michal, I added it to my link collection. :) Anyway, another good site if you want information and sourcecode on how to do stereoscopic 3D in OpenGL is: http://www.swin.edu.au/astronomy/pbourke/opengl/

Also see my VR link index at: http://www.oxygene.500mhz.net/vr.html

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