15 lines
355 B
Plaintext
15 lines
355 B
Plaintext
xps.1.1
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tex t0 ; normal map + gloss map
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texm3x2pad t1, t0_bx2 ; u = t0 dot (t1) light vector
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texm3x2tex t2, t0_bx2 ; v = t0 dot (t2) half vector
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; fetch texture 4 at u, v
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; t2.a = (N dot H)^16
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tex t3 ; ranged point light vector
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mul_x4 r1, t0.a, t2.a ; (N dot H)^16 * gloss value
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; Factor in falloff
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mul r0.rgb, r1, t3.a |