CGTalk - how much faster is LIT than LG2+EX2 in fragment shader

View Full Version : how much faster is LIT than LG2+EX2 in fragment shader

nickwang

10-29-2004, 03:52 PM

i did a test on lighting calculation.
after i replace LG2+EX2 with LIT, the speed doesn't improve at all. (NVidia FX) Anybody happens to know why or I am doing something wrong? Thanks.

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