lygia/v1.1.6/lighting/common/schlick)Dependencies:
#ifndef FNC_SCHLICK
#define FNC_SCHLICK
// Schlick 1994, "An Inexpensive BRDF Model for Physically-Based Rendering"
vec3 schlick(const in vec3 f0, const in float f90, const in float VoH) {
float f = pow5(1.0 - VoH);
return f + f0 * (f90 - f);
}
vec3 schlick(const in vec3 f0, const in vec3 f90, const in float VoH) {
return f0 + (f90 - f0) * pow5(1.0 - VoH);
}
float schlick(const in float f0, const in float f90, const in float VoH) {
return f0 + (f90 - f0) * pow5(1.0 - VoH);
}
#endif
Dependencies:
#ifndef FNC_SCHLICK
#define FNC_SCHLICK
// Schlick 1994, "An Inexpensive BRDF Model for Physically-Based Rendering"
float3 schlick(const float3 f0, float f90, float VoH) {
float f = pow5(1.0 - VoH);
return f + f0 * (f90 - f);
}
float3 schlick(float3 f0, float3 f90, float VoH) {
return f0 + (f90 - f0) * pow5(1.0 - VoH);
}
float schlick(float f0, float f90, float VoH) {
return f0 + (f90 - f0) * pow5(1.0 - VoH);
}
#endif
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