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

/*
 * Copyright 2011, 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_subsurface_scattering(
	color Color = 0.8,
	float Scale = 1.0,
	vector Radius = vector(0.1, 0.1, 0.1),
	float TextureBlur = 0.0, // XXX use
	string Falloff = "Cubic",
	normal Normal = N,
	output closure color BSSRDF = 0)
{
	if(Falloff == "Cubic")
		BSSRDF = Color * bssrdf_cubic(N, Scale * Radius);
	else if(Falloff == "Gaussian")
		BSSRDF = Color * bssrdf_gaussian(N, Scale * Radius);
}