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Old 08-18-03, 03:13 AM   #1
filiga
FX 5700
 
Join Date: May 2003
Posts: 8
Question Cg over GLX?

Hi.

I need to run OpenGL apps across a network (one machine runs the app and sends the graphics to a rendering workstation). The latest NVidia drivers have got the GLX working fairly ok so basic OpenGL apps seem to work fine.

I tried to use Cg over GLX without success. In practice Cg relies on some NVidia OpenGL extensions that are either not supported or dysfunctional in 4363 drivers. None of the demos that I tried in the Cg demo package would work. Both the client and the server machine had NVidia GF4 cards and 4363 drivers. Most vertex shader demos work fine locally.

I have been unable to run the tests with newer drivers.

Has anyone else tried this? What results do you get?
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Old 08-18-03, 09:50 AM   #2
Thunderbird
 
Join Date: Jul 2002
Location: Netherlands, Europe
Posts: 2,105
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If I'm right Cg likes to use lots of features that are present in GeforceFX hardware. To get these extensions on older hardware using emulation use:
export __GL_NV30_EMULATE=1

I think the Cg demos work then but not at a great speed ofcourse.
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