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void node_bsdf_hair(vec4 color,
float offset,
float roughness_u,
float roughness_v,
vec3 T,
float weight,
out Closure result)
{
ClosureHair hair_data;
hair_data.weight = weight;
hair_data.color = color.rgb;
hair_data.offset = offset;
hair_data.roughness = vec2(roughness_u, roughness_v);
hair_data.T = T;
result = closure_eval(hair_data);
}
void node_bsdf_hair_principled(vec4 color,
float melanin,
float melanin_redness,
vec4 tint,
vec3 absorption_coefficient,
float roughness,
float radial_roughness,
float coat,
float ior,
float offset,
float random_color,
float random_roughness,
float random,
float weight,
out Closure result)
{
/* Placeholder closure.
* Some computation will have to happen here just like the Principled BSDF. */
ClosureHair hair_data;
hair_data.weight = weight;
hair_data.color = color.rgb;
hair_data.offset = offset;
hair_data.roughness = vec2(0.0);
hair_data.T = g_data.curve_B;
result = closure_eval(hair_data);
}
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