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void node_bsdf_anisotropic(vec4 color,
float roughness,
float anisotropy,
float rotation,
vec3 N,
vec3 T,
float weight,
const float do_multiscatter,
out Closure result)
{
N = safe_normalize(N);
vec3 V = cameraVec(g_data.P);
float NV = dot(N, V);
vec2 split_sum = brdf_lut(NV, roughness);
ClosureReflection reflection_data;
reflection_data.weight = weight;
reflection_data.color = (do_multiscatter != 0.0) ?
F_brdf_multi_scatter(color.rgb, color.rgb, split_sum) :
F_brdf_single_scatter(color.rgb, color.rgb, split_sum);
reflection_data.N = N;
reflection_data.roughness = roughness;
result = closure_eval(reflection_data);
}
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