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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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.
*
* The Original Code is Copyright (C) 2007 Blender Foundation.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/render/intern/include/sss.h
* \ingroup render
*/
#ifndef __SSS_H__
#define __SSS_H__
/* Generic multiple scattering API */
struct ScatterSettings;
typedef struct ScatterSettings ScatterSettings;
struct ScatterTree;
typedef struct ScatterTree ScatterTree;
ScatterSettings *scatter_settings_new(float refl, float radius, float ior,
float reflfac, float frontweight, float backweight);
void scatter_settings_free(ScatterSettings *ss);
ScatterTree *scatter_tree_new(ScatterSettings *ss[3], float scale, float error,
float (*co)[3], float (*color)[3], float *area, int totpoint);
void scatter_tree_build(ScatterTree *tree);
void scatter_tree_sample(ScatterTree *tree, const float co[3], float color[3]);
void scatter_tree_free(ScatterTree *tree);
/* Internal renderer API */
struct Render;
struct Material;
void make_sss_tree(struct Render *re);
void sss_add_points(Render *re, float (*co)[3], float (*color)[3], float *area, int totpoint);
void free_sss(struct Render *re);
int sample_sss(struct Render *re, struct Material *mat, const float co[3], float color[3]);
int sss_pass_done(struct Render *re, struct Material *mat);
#endif /*__SSS_H__*/
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