intern/cycles/kernel/osl/shaders/node_blackbody.osl


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/* SPDX-License-Identifier: Apache-2.0
 * Copyright 2011-2022 Blender Foundation */

#include "stdcycles.h"

shader node_blackbody(float Temperature = 1200.0, output color Color = 0.0)
{
  color rgb = blackbody(Temperature);

  /* Scale by luminance */
  float l = luminance(rgb);
  if (l != 0.0)
    rgb /= l;
  Color = rgb;
}