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- ps.1.1
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- def c2, 0.0f,0.0f,0.0f,1.0f
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- tex t0 // basis map channels 1-4
- tex t1 // horizon map channels 1-4
- tex t2 // basis map channels 5-8
- tex t3 // horizon map channels 5-8
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- dp3_sat r0.rgb, t0_bx2,t1_bx2 // combine channels 1-3
- + mul_sat r0.a, t0_bx2, t1_bx2 // combine channel 4
- dp3_sat r1.rgb, t2_bx2,t3_bx2 // combine channels 5-7
- + mul_sat r1.a, t2_bx2, t3_bx2 // combine channel 8
- add r1, r0, r1 // sum color channels
- add r0.rgb, r1, r1.a // sum in alpha channels
- sub_x4 r0.rgb, r0, v0_bx2 // compare with light direction
- // mov_x4 r0,r0
- // mov r0,v0
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