104 lines
5.6 KiB
Plaintext
104 lines
5.6 KiB
Plaintext
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OpenShadingLanguage 1.00
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# Compiled by oslc 1.12.6.2
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# options: -q -O2 -I/home/blender/git/blender-v340/blender.git/intern/cycles/kernel/osl/shaders -I/home/blender/git/blender-v340/lib/linux_centos7_x86_64/osl/share/OSL/shaders -o /home/blender/git/blender-v340/build_release/intern/cycles/kernel/osl/shaders/node_fresnel.oso
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shader node_fresnel
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param float IOR 1.45000005 %read{1,1} %write{2147483647,-1}
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param normal Normal 0 0 0 %read{6,6} %write{0,0} %initexpr
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oparam float Fac 0 %read{2147483647,-1} %write{32,32}
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global vector I %read{6,6} %write{2147483647,-1}
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global normal N %read{0,0} %write{2147483647,-1}
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local float ___344_c %read{11,23} %write{8,8}
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local float ___344_g %read{13,22} %write{12,15}
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local float ___344_result %read{32,32} %write{30,31}
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local float ___345_A %read{26,27} %write{18,18}
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local float ___345_B %read{28,28} %write{25,25}
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local float f %read{4,5} %write{1,1}
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local float eta %read{9,9} %write{4,5}
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local float cosi %read{8,8} %write{6,6}
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const float $const1 1e-05 %read{1,1} %write{2147483647,-1}
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temp int $tmp1 %read{3,3} %write{2,2}
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const float $const2 1 %read{4,31} %write{2147483647,-1}
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const string $const3 "fresnel_dielectric_cos" %read{7,7} %write{2147483647,-1}
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temp float $tmp2 %read{10,10} %write{9,9}
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temp float $tmp3 %read{12,12} %write{10,10}
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temp float $tmp4 %read{12,12} %write{11,11}
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const int $const5 0 %read{13,13} %write{2147483647,-1}
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temp int $tmp5 %read{14,14} %write{13,13}
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temp float $tmp6 %read{18,18} %write{16,16}
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temp float $tmp7 %read{18,18} %write{17,17}
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temp float $tmp8 %read{20,20} %write{19,19}
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temp float $tmp9 %read{21,21} %write{20,20}
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temp float $tmp10 %read{25,25} %write{21,21}
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temp float $tmp11 %read{23,23} %write{22,22}
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temp float $tmp12 %read{24,24} %write{23,23}
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temp float $tmp13 %read{25,25} %write{24,24}
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const float $const6 0.5 %read{26,26} %write{2147483647,-1}
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temp float $tmp14 %read{27,27} %write{26,26}
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temp float $tmp15 %read{30,30} %write{27,27}
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temp float $tmp16 %read{29,29} %write{28,28}
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temp float $tmp17 %read{30,30} %write{29,29}
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code Normal
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# /home/blender/git/blender-v340/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.osl:7
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# shader node_fresnel(float IOR = 1.45, normal Normal = N, output float Fac = 0.0)
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assign Normal N %filename{"/home/blender/git/blender-v340/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.osl"} %line{7} %argrw{"wr"}
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code ___main___
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# /home/blender/git/blender-v340/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.osl:9
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# float f = max(IOR, 1e-5);
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max f IOR $const1 %filename{"/home/blender/git/blender-v340/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.osl"} %line{9} %argrw{"wrr"}
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# /home/blender/git/blender-v340/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.osl:10
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# float eta = backfacing() ? 1.0 / f : f;
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backfacing $tmp1 %line{10} %argrw{"w"}
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if $tmp1 5 6 %argrw{"r"}
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div eta $const2 f %argrw{"wrr"}
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assign eta f %argrw{"wr"}
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# /home/blender/git/blender-v340/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.osl:11
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# float cosi = dot(I, Normal);
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dot cosi I Normal %line{11} %argrw{"wrr"}
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# /home/blender/git/blender-v340/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.osl:12
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# Fac = fresnel_dielectric_cos(cosi, eta);
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functioncall $const3 33 %line{12} %argrw{"r"}
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# /home/blender/git/blender-v340/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.h:13
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# float c = fabs(cosi);
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fabs ___344_c cosi %filename{"/home/blender/git/blender-v340/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.h"} %line{13} %argrw{"wr"}
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# /home/blender/git/blender-v340/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.h:14
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# float g = eta * eta - 1 + c * c;
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mul $tmp2 eta eta %line{14} %argrw{"wrr"}
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sub $tmp3 $tmp2 $const2 %argrw{"wrr"}
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mul $tmp4 ___344_c ___344_c %argrw{"wrr"}
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add ___344_g $tmp3 $tmp4 %argrw{"wrr"}
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# /home/blender/git/blender-v340/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.h:17
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# if (g > 0) {
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gt $tmp5 ___344_g $const5 %line{17} %argrw{"wrr"}
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if $tmp5 31 32 %argrw{"r"}
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# /home/blender/git/blender-v340/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.h:18
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# g = sqrt(g);
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sqrt ___344_g ___344_g %line{18} %argrw{"wr"}
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# /home/blender/git/blender-v340/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.h:19
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# float A = (g - c) / (g + c);
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sub $tmp6 ___344_g ___344_c %line{19} %argrw{"wrr"}
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add $tmp7 ___344_g ___344_c %argrw{"wrr"}
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div ___345_A $tmp6 $tmp7 %argrw{"wrr"}
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# /home/blender/git/blender-v340/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.h:20
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# float B = (c * (g + c) - 1) / (c * (g - c) + 1);
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add $tmp8 ___344_g ___344_c %line{20} %argrw{"wrr"}
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mul $tmp9 ___344_c $tmp8 %argrw{"wrr"}
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sub $tmp10 $tmp9 $const2 %argrw{"wrr"}
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sub $tmp11 ___344_g ___344_c %argrw{"wrr"}
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mul $tmp12 ___344_c $tmp11 %argrw{"wrr"}
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add $tmp13 $tmp12 $const2 %argrw{"wrr"}
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div ___345_B $tmp10 $tmp13 %argrw{"wrr"}
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# /home/blender/git/blender-v340/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.h:21
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# result = 0.5 * A * A * (1 + B * B);
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mul $tmp14 $const6 ___345_A %line{21} %argrw{"wrr"}
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mul $tmp15 $tmp14 ___345_A %argrw{"wrr"}
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mul $tmp16 ___345_B ___345_B %argrw{"wrr"}
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add $tmp17 $const2 $tmp16 %argrw{"wrr"}
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mul ___344_result $tmp15 $tmp17 %argrw{"wrr"}
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# /home/blender/git/blender-v340/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.h:24
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# result = 1.0; /* TIR (no refracted component) */
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assign ___344_result $const2 %line{24} %argrw{"wr"}
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# /home/blender/git/blender-v340/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.h:26
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# return result;
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assign Fac ___344_result %line{26} %argrw{"wr"}
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end
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