47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
/**
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*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): Matt Ebb.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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float vol_get_density(struct ShadeInput *shi, float *co);
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void vol_get_scattering(ShadeInput *shi, float *scatter_col, float *co_);
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void shade_volume_outside(ShadeInput *shi, ShadeResult *shr);
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void shade_volume_inside(ShadeInput *shi, ShadeResult *shr);
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void shade_volume_shadow(struct ShadeInput *shi, struct ShadeResult *shr, struct Isect *last_is);
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#define STEPSIZE_VIEW 0
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#define STEPSIZE_SHADE 1
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#define VOL_IS_BACKFACE 1
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#define VOL_IS_SAMEMATERIAL 2
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#define VOL_BOUNDS_DEPTH 0
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#define VOL_BOUNDS_SS 1
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#define VOL_SHADE_OUTSIDE 0
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#define VOL_SHADE_INSIDE 1
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