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W-BUFFER

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hi folks, i already asked this... any idea of how to use w-buffers in openGL? thanks.

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The 3Dfx card supports two types of depth buffering, fixed point (Z-buffering) and floating point (3Dfx calls it "W"-buffering). Out of the two, W-buffering is both faster and less prone to aliasing due to precision problems, so it is preferred over Z.

jerry2
Programming,make a whole new world.

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umm, some nivida cards support this as well. so do some ati cards. though i am not sure to how recent the cards go back that support this feature. as always check your docs and hardware.

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