Subsurface scattering:

Documentation on the settings, known limitations and implementation
info can be found here:
http://www.blender.org/development/current-projects/changes-since-243/subsurface-scattering/

1 files changed, 65 insertions, 0 deletions

diff --git a/source/blender/render/intern/include/sss.h b/source/blender/render/intern/include/sss.h
new file mode 100644
index 00000000000..660fb544227
--- /dev/null
+++ b/source/blender/render/intern/include/sss.h
@@ -0,0 +1,65 @@
+/**
+ * $Id$
+ *
+ * ***** 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, 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 *****
+ */
+
+#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, float *co, float *color);
+void scatter_tree_free(ScatterTree *tree);
+
+/* Internal renderer API */
+
+struct Render;
+struct Material;
+struct VlakRen;
+
+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, float *co, float *col);
+int has_sss_tree(struct Render *re, struct Material *mat);
+
+#endif /*SSS_H*/
+