Our Dell laptop with a geforce4 440 go doesn't seem to support ARB_VP or VBO. I installed the latest nVidia drivers but the extensions are just not there.
These extensions should be supported by the the gf4 go, right? Is it likely I'm just having trouble installing the drivers?
I noticed Tom's hardware registry doesn't include hardware for mobile computers...
The card doesn't support ARB_vertex_program in hardware, but I'm surprised that it doesn't provide a software fallback (though I'm no expert on Window drivers).
I can see no reason why it wouldn't support ARB_vertex_buffer_object...
I could be wrong, but IIRC nvidia doesn't support mobile gpu's in their drivers. You need official dell drivers, which are probably way behind the current reference drivers provided by nv.
Ah, that's probably it! Silly that this isn't mentioned anywhere obvious. Ruined a presentation it did.
Thanks
If TNT2 at work shows ARB_vbo, I don't see any reason GF4 shouldn't have one
The Dells are up to 42.xx if I remember correctly. They were languishing at 28.xx for a YEAR which was kind-of painful.
Anyway, if you use ARB_vertex_program on a GeForce4 Go, then you'll effectively turn off the hardware transform, and do it all on the CPU. Except for the 4 Go 4200, which is a "real" GeForce 4.
"If you can't afford to do something right,
you'd better make sure you can afford to do it wrong!"
actually you are right, but the only difference between the nividia reference drivers and the dell drivers is in the .inf file. Dell adds resolution settings for the laptop-displays (ie.1400x1050 on my inspirion...)Originally posted by Nutty:
I could be wrong, but IIRC nvidia doesn't support mobile gpu's in their drivers. You need official dell drivers, which are probably way behind the current reference drivers provided by nv.
so if you want to use the newest detonators with your dell system, all you need to do is to add a few lines to the inf file, and that's all.
fortunately, there are some guys out there, which have nothing else to do than to watch for new detonators and to modifiy the inf files as fast as they can.
so all you need to do is to download the newest drivers from nvidia, and then to get the inf file from here:
http://www.geocities.com/madtoast/
it works! (since 2 years at least. i actually never used the reference drivers)
and this is the forum where most of the modified-inf-sites are announced.(it's also very usefull, when you have trouble with your installation...)
http://forums.us.dell.com/supportfor....id=insp_video
Nvidia's Linux drivers definitely support the geforce go chips - they have their own section in the readme....And the Geforce Go 4200 support includes ARB_VBO and ARB_VP.
No need for the Dell drivers if you run with the penguin...
Happy Coding
;-)
I thought software vertex programs were supposed to be fast?!? It's excruciatingly slow. My equivalent software implementation runs almost a 100 times faster, buffer copies and all included.Originally posted by jwatte:
Anyway, if you use ARB_vertex_program on a GeForce4 Go, then you'll effectively turn off the hardware transform, and do it all on the CPU. Except for the 4 Go 4200, which is a "real" GeForce 4.
I hope that's not the case for all software implemtation or they should really have never supported it. It's almost as bad as ARB_FP emulation!
Madoc,
when you are using software emulated vp's make sure not to store your vertexarrays in videomemory(or AGP) because it is uncached memory and the softwareemulation needs to access it.
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