vertex shaders??

Question

I have this game which was given to me 'Penumbra,Black Plague' but when I'd tried to open it , it states that my vedio card (Nvidia7900gs)is not compatible it does not support 'Vertex Shaders', what is this and how and were do I install the upgrade.

Garred · Answer

'Now we come to today and the GeForce 7900 GS. The GS is based on the same G71 GPU as the 7900 GT, but like the 7800 GT before it, it's had the tubes snipped to one of its vertex shader units and one of its pixel shader 'quads.' That leaves the GS with seven vertex shader units and 20 pixel shader processors.'     The only thing you can make sure is that you have the latest drivers for your video card.

Paloviejo2L · Answer

Thank you very much, that was the problem it working fine now, Thanks again.

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