lygia/lighting/ior/reflectance2f0)Compute F0 for perceptual reflectance parameter. From Sébastien Lagarde's paper "Moving Frostbite to PBR".
Use:
<float> reflectance2f0(<float> reflectance)
#ifndef FNC_REFLECTANCE2F0
#define FNC_REFLECTANCE2F0
float reflectance2f0(const float reflectance) { return 0.16 * reflectance * reflectance; }
#endif
Use:
<float> reflectance2f0(<float> reflectance)
#ifndef FNC_REFLECTANCE2F0
#define FNC_REFLECTANCE2F0
float reflectance2f0(const float reflectance) { return 0.16 * reflectance * reflectance; }
#endif
MIT License (MIT) Copyright (c) 2024 Shadi EL Hajj
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