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4 textures

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I was using until now for 4 stage textures by aplying apropriate blend functions and drawing the scene up 4 times. Now I am moving the drawing routine to use register combiners and I was wondering if I can find a sample how to blend accordingly the up to 4 texture stages. 1 Normal texture REPLACE 2 Lightmap texture BLEND (may be missing) 3 Detail Map texture/Or Refrelction texture BLEND ? (may be missing) 4 Bump Map texture (may be missing) Thank you.

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are u talking about the register combiners nvidia only extension? if so then u can have inputs from 4 textures check the spec (its been years since i used it) IIRC see the parts in spec with the letters A -> F (now u wanna substitie your texture unit for each letter)
though personally i recommend glsl or cg instead (if your card does it)

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