1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
/*
*
* ***** 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) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): Matt Ebb.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/render/intern/include/volumetric.h
* \ingroup render
*/
struct Isect;
struct ShadeInput;
struct ShadeResult;
float vol_get_density(struct ShadeInput *shi, const float co[3]);
void vol_get_scattering(ShadeInput *shi, float scatter_col[3], const float co[3], const float view[3]);
void shade_volume_outside(ShadeInput *shi, ShadeResult *shr);
void shade_volume_inside(ShadeInput *shi, ShadeResult *shr);
void shade_volume_shadow(struct ShadeInput *shi, struct ShadeResult *shr, struct Isect *last_is);
#define STEPSIZE_VIEW 0
#define STEPSIZE_SHADE 1
#define VOL_IS_BACKFACE 1
#define VOL_IS_SAMEMATERIAL 2
#define VOL_BOUNDS_DEPTH 0
#define VOL_BOUNDS_SS 1
#define VOL_SHADE_OUTSIDE 0
#define VOL_SHADE_INSIDE 1
|