glsl-specular-cook-torrance
Cook-Torrance specular/fresnel lighting term
Cook-Torrance specular/fresnel lighting term
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Create an iterator which computes the Fresnel integral S(x) for each iterated value.
Create an iterator which computes the Fresnel integral C(x) for each iterated value.
Compute the Fresnel integrals S(x) and C(x).
Compute the Fresnel integral C(x).
Compute the Fresnel integral S(x).