| #include "luminance.glsllib" | |
| #ifndef scatter_reflect | |
| #define scatter_reflect 0 | |
| #define scatter_transmit 1 | |
| #define scatter_reflect_transmit 2 | |
| #endif | |
| // Blinn-Phong | |
| vec4 specularBSDF(in vec3 N, in vec3 L, in vec3 V, in vec3 lightSpecular, in float shininess) | |
| { | |
| vec4 rgba = vec4(0.0, 0.0, 0.0, 1.0); | |
| vec3 H = normalize(V + L); | |
| float cosAlpha = max(0.0, dot(H, N)); | |
| float shine = pow(cosAlpha, shininess); | |
| rgba.rgb = shine * lightSpecular; | |
| return rgba; | |
| } |