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which needs 3D Card :D3D IM, D3D RM or D3D?

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Pretty much all three, really, I''m afraid. They''re all the same thing. D3D is sort of an umbrella term for the 3D stuff in DirectX. D3DIM is like a 3D card interface, and D3DRM is a higher level way of managing objects, which is built ON TOP of D3DIM. You really need a 3D card to get the proper level of performance, though there are software versions of the drivers that allow you to run everything without special 3D hardware.

Hope this helps.

-- SH

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You can use the RGB emulation device, but that is so slow. You should write your own software rendering stuff on top of DDraw if you want software performance. D3DRM is built on top of D3DIM, which is basically a direct interface with the 3d card''s functions. And if a 3d card does not have a function, D3D will not emulate, it will just return an error.

#pragma twice

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