expre-gen/blender/3.4/scripts/addons/cycles/shader/node_light_falloff.oso
2025-10-17 09:47:23 +08:00

53 lines
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OpenShadingLanguage 1.00
# Compiled by oslc 1.12.6.2
# 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_light_falloff.oso
shader node_light_falloff
param float Strength 0 %read{1,1} %write{2147483647,-1}
param float Smooth 0 %read{3,6} %write{2147483647,-1}
oparam float Quadratic 0 %read{2147483647,-1} %write{9,9}
oparam float Linear 0 %read{2147483647,-1} %write{10,10}
oparam float Constant 0 %read{2147483647,-1} %write{12,12}
local float ray_length %read{5,12} %write{0,2}
local float strength %read{8,11} %write{1,8}
local float ___382_squared %read{6,7} %write{5,5}
const float $const1 0 %read{0,3} %write{2147483647,-1}
temp int $tmp1 %read{2147483647,-1} %write{2,2}
const string $const2 "path:ray_length" %read{2,2} %write{2147483647,-1}
temp int $tmp2 %read{4,4} %write{3,3}
temp float $tmp3 %read{7,7} %write{6,6}
temp float $tmp4 %read{8,8} %write{7,7}
temp float $tmp5 %read{12,12} %write{11,11}
code ___main___
# /home/blender/git/blender-v340/blender.git/intern/cycles/kernel/osl/shaders/node_light_falloff.osl:12
# float ray_length = 0.0;
assign ray_length $const1 %filename{"/home/blender/git/blender-v340/blender.git/intern/cycles/kernel/osl/shaders/node_light_falloff.osl"} %line{12} %argrw{"wr"}
# /home/blender/git/blender-v340/blender.git/intern/cycles/kernel/osl/shaders/node_light_falloff.osl:13
# float strength = Strength;
assign strength Strength %line{13} %argrw{"wr"}
# /home/blender/git/blender-v340/blender.git/intern/cycles/kernel/osl/shaders/node_light_falloff.osl:14
# getattribute("path:ray_length", ray_length);
getattribute $tmp1 $const2 ray_length %line{14} %argrw{"wrw"}
# /home/blender/git/blender-v340/blender.git/intern/cycles/kernel/osl/shaders/node_light_falloff.osl:16
# if (Smooth > 0.0) {
gt $tmp2 Smooth $const1 %line{16} %argrw{"wrr"}
if $tmp2 9 9 %argrw{"r"}
# /home/blender/git/blender-v340/blender.git/intern/cycles/kernel/osl/shaders/node_light_falloff.osl:17
# float squared = ray_length * ray_length;
mul ___382_squared ray_length ray_length %line{17} %argrw{"wrr"}
# /home/blender/git/blender-v340/blender.git/intern/cycles/kernel/osl/shaders/node_light_falloff.osl:18
# strength *= squared / (Smooth + squared);
add $tmp3 Smooth ___382_squared %line{18} %argrw{"wrr"}
div $tmp4 ___382_squared $tmp3 %argrw{"wrr"}
mul strength strength $tmp4 %argrw{"wrr"}
# /home/blender/git/blender-v340/blender.git/intern/cycles/kernel/osl/shaders/node_light_falloff.osl:22
# Quadratic = strength;
assign Quadratic strength %line{22} %argrw{"wr"}
# /home/blender/git/blender-v340/blender.git/intern/cycles/kernel/osl/shaders/node_light_falloff.osl:25
# Linear = (strength * ray_length);
mul Linear strength ray_length %line{25} %argrw{"wrr"}
# /home/blender/git/blender-v340/blender.git/intern/cycles/kernel/osl/shaders/node_light_falloff.osl:28
# Constant = (strength * ray_length * ray_length);
mul $tmp5 strength ray_length %line{28} %argrw{"wrr"}
mul Constant $tmp5 ray_length %argrw{"wrr"}
end