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

34 lines
1006 B
Plaintext
Raw Normal View History

/*
* Copyright 2013, Blender Foundation.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "stdosl.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;
}