luboslenco
19 lines
445 B
GLSL
19 lines
445 B
GLSL
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#ifndef _BRDF_GLSL_
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#define _BRDF_GLSL_
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vec3 surfaceAlbedo(const vec3 baseColor, const float metalness) {
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return mix(baseColor, vec3(0.0), metalness);
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}
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vec3 surfaceF0(const vec3 baseColor, const float metalness) {
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return mix(vec3(0.04), baseColor, metalness);
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}
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float getMipFromRoughness(const float roughness, const float numMipmaps) {
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// First mipmap level = roughness 0, last = roughness = 1
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return roughness * numMipmaps;
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}
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#endif
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