: As long as you stick to 1.1 it will run fine in software. Or you can go the Mesa route to run it in software:)
: However software mode of D3D sucks. Hardware rendering is the best. I have worked with software mode of OpenGL too and I didn't find that impresive either.
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Naturally. Software rendering of a hardware mode is nothing but a slow-down. I mean if plain software without blending, fog, or dynamic lighting is slower than Glide, GL, or D3D, running in software and trying to do the advanced stuff that those modes support can't be any better. And even with blending, the modes seem pixelated if run in software.

-Sephiroth