OpenShadingLanguage 1.00 # Compiled by oslc 1.14.7.0 # options: -q -O2 -I/home/blender/git/blender-v510/blender.git/intern/cycles/kernel/osl/shaders -I/home/blender/git/blender-v510/blender.git/lib/linux_x64/osl/share/OSL/shaders -o /home/blender/git/blender-v510/build_release/intern/cycles/kernel/osl/shaders/node_fresnel.oso shader node_fresnel param float IOR 1.45000005 %read{1,1} %write{2147483647,-1} param normal Normal 0 0 0 %read{6,6} %write{0,0} %initexpr oparam float Fac 0 %read{2147483647,-1} %write{32,32} global vector I %read{6,6} %write{2147483647,-1} global normal N %read{0,0} %write{2147483647,-1} local float ___345_c %read{11,23} %write{8,8} local float ___345_g %read{13,22} %write{12,15} local float ___345_result %read{32,32} %write{30,31} local float ___346_A %read{26,27} %write{18,18} local float ___346_B %read{28,28} %write{25,25} local float f %read{4,5} %write{1,1} local float eta %read{9,9} %write{4,5} local float cosi %read{8,8} %write{6,6} const float $const1 9.99999975e-06 %read{1,1} %write{2147483647,-1} temp int $tmp1 %read{3,3} %write{2,2} const float $const2 1 %read{4,31} %write{2147483647,-1} const string $const3 "fresnel_dielectric_cos" %read{7,7} %write{2147483647,-1} temp float $tmp2 %read{10,10} %write{9,9} temp float $tmp3 %read{12,12} %write{10,10} temp float $tmp4 %read{12,12} %write{11,11} const int $const5 0 %read{13,13} %write{2147483647,-1} temp int $tmp5 %read{14,14} %write{13,13} temp float $tmp6 %read{18,18} %write{16,16} temp float $tmp7 %read{18,18} %write{17,17} temp float $tmp8 %read{20,20} %write{19,19} temp float $tmp9 %read{21,21} %write{20,20} temp float $tmp10 %read{25,25} %write{21,21} temp float $tmp11 %read{23,23} %write{22,22} temp float $tmp12 %read{24,24} %write{23,23} temp float $tmp13 %read{25,25} %write{24,24} const float $const6 0.5 %read{26,26} %write{2147483647,-1} temp float $tmp14 %read{27,27} %write{26,26} temp float $tmp15 %read{30,30} %write{27,27} temp float $tmp16 %read{29,29} %write{28,28} temp float $tmp17 %read{30,30} %write{29,29} code Normal # /home/blender/git/blender-v510/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.osl:8 # shader node_fresnel(float IOR = 1.45, normal Normal = N, output float Fac = 0.0) assign Normal N %filename{"/home/blender/git/blender-v510/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.osl"} %line{8} %argrw{"wr"} code ___main___ # /home/blender/git/blender-v510/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.osl:10 # float f = max(IOR, 1e-5); max f IOR $const1 %filename{"/home/blender/git/blender-v510/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.osl"} %line{10} %argrw{"wrr"} # /home/blender/git/blender-v510/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.osl:11 # float eta = backfacing() ? 1.0 / f : f; backfacing $tmp1 %line{11} %argrw{"w"} if $tmp1 5 6 %argrw{"r"} div eta $const2 f %argrw{"wrr"} assign eta f %argrw{"wr"} # /home/blender/git/blender-v510/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.osl:12 # float cosi = dot(I, Normal); dot cosi I Normal %line{12} %argrw{"wrr"} # /home/blender/git/blender-v510/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.osl:13 # Fac = fresnel_dielectric_cos(cosi, eta); functioncall $const3 33 %line{13} %argrw{"r"} # /home/blender/git/blender-v510/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.h:12 # float c = fabs(cosi); fabs ___345_c cosi %filename{"/home/blender/git/blender-v510/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.h"} %line{12} %argrw{"wr"} # /home/blender/git/blender-v510/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.h:13 # float g = eta * eta - 1 + c * c; mul $tmp2 eta eta %line{13} %argrw{"wrr"} sub $tmp3 $tmp2 $const2 %argrw{"wrr"} mul $tmp4 ___345_c ___345_c %argrw{"wrr"} add ___345_g $tmp3 $tmp4 %argrw{"wrr"} # /home/blender/git/blender-v510/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.h:16 # if (g > 0) { gt $tmp5 ___345_g $const5 %line{16} %argrw{"wrr"} if $tmp5 31 32 %argrw{"r"} # /home/blender/git/blender-v510/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.h:17 # g = sqrt(g); sqrt ___345_g ___345_g %line{17} %argrw{"wr"} # /home/blender/git/blender-v510/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.h:18 # float A = (g - c) / (g + c); sub $tmp6 ___345_g ___345_c %line{18} %argrw{"wrr"} add $tmp7 ___345_g ___345_c %argrw{"wrr"} div ___346_A $tmp6 $tmp7 %argrw{"wrr"} # /home/blender/git/blender-v510/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.h:19 # float B = (c * (g + c) - 1) / (c * (g - c) + 1); add $tmp8 ___345_g ___345_c %line{19} %argrw{"wrr"} mul $tmp9 ___345_c $tmp8 %argrw{"wrr"} sub $tmp10 $tmp9 $const2 %argrw{"wrr"} sub $tmp11 ___345_g ___345_c %argrw{"wrr"} mul $tmp12 ___345_c $tmp11 %argrw{"wrr"} add $tmp13 $tmp12 $const2 %argrw{"wrr"} div ___346_B $tmp10 $tmp13 %argrw{"wrr"} # /home/blender/git/blender-v510/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.h:20 # result = 0.5 * A * A * (1 + B * B); mul $tmp14 $const6 ___346_A %line{20} %argrw{"wrr"} mul $tmp15 $tmp14 ___346_A %argrw{"wrr"} mul $tmp16 ___346_B ___346_B %argrw{"wrr"} add $tmp17 $const2 $tmp16 %argrw{"wrr"} mul ___345_result $tmp15 $tmp17 %argrw{"wrr"} # /home/blender/git/blender-v510/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.h:23 # result = 1.0; /* TIR (no refracted component) */ assign ___345_result $const2 %line{23} %argrw{"wr"} # /home/blender/git/blender-v510/blender.git/intern/cycles/kernel/osl/shaders/node_fresnel.h:26 # return result; assign Fac ___345_result %line{26} %argrw{"wr"} end