82 lines
2.5 KiB
C++
82 lines
2.5 KiB
C++
/*
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Contributor(s): zaghaghi
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file blender/render/intern/include/sunsky.h
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* \ingroup render
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*/
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#ifndef __SUNSKY_H__
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#define __SUNSKY_H__
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// #define SPECTRUM_MAX_COMPONENTS 100
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typedef struct SunSky {
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short effect_type, skyblendtype, sky_colorspace;
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float turbidity;
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float theta, phi;
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float toSun[3];
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/*float sunSpectralRaddata[SPECTRUM_MAX_COMPONENTS];*/
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float sunSolidAngle;
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float zenith_Y, zenith_x, zenith_y;
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float perez_Y[5], perez_x[5], perez_y[5];
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/* suggested by glome in patch [#8063] */
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float horizon_brightness;
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float spread;
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float sun_brightness;
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float sun_size;
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float backscattered_light;
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float skyblendfac;
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float sky_exposure;
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float atm_HGg;
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float atm_SunIntensity;
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float atm_InscatteringMultiplier;
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float atm_ExtinctionMultiplier;
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float atm_BetaRayMultiplier;
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float atm_BetaMieMultiplier;
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float atm_DistanceMultiplier;
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float atm_BetaRay[3];
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float atm_BetaDashRay[3];
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float atm_BetaMie[3];
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float atm_BetaDashMie[3];
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float atm_BetaRM[3];
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} SunSky;
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void InitSunSky(struct SunSky *sunsky, float turb, const float toSun[3], float horizon_brightness,
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float spread, float sun_brightness, float sun_size, float back_scatter,
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float skyblendfac, short skyblendtype, float sky_exposure, float sky_colorspace);
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void GetSkyXYZRadiance(struct SunSky *sunsky, float theta, float phi, float color_out[3]);
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void GetSkyXYZRadiancef(struct SunSky *sunsky, const float varg[3], float color_out[3]);
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void InitAtmosphere(struct SunSky *sunSky, float sun_intens, float mief, float rayf, float inscattf, float extincf, float disf);
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void AtmospherePixleShader(struct SunSky *sunSky, float view[3], float s, float rgb[3]);
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void ClipColor(float c[3]);
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#endif /*__SUNSKY_H__*/
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