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Diffstat (limited to 'source/blender/render/intern/include/sunsky.h')
-rw-r--r-- | source/blender/render/intern/include/sunsky.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/source/blender/render/intern/include/sunsky.h b/source/blender/render/intern/include/sunsky.h new file mode 100644 index 00000000000..c608f9fc48c --- /dev/null +++ b/source/blender/render/intern/include/sunsky.h @@ -0,0 +1,81 @@ +/* + * ***** 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. + * + * Contributor(s): zaghaghi + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file blender/render/intern/include/sunsky.h + * \ingroup render + */ + +#ifndef __SUNSKY_H__ +#define __SUNSKY_H__ + +// #define SPECTRUM_MAX_COMPONENTS 100 + +typedef struct SunSky { + short effect_type, skyblendtype, sky_colorspace; + float turbidity; + float theta, phi; + + float toSun[3]; + + /*float sunSpectralRaddata[SPECTRUM_MAX_COMPONENTS];*/ + float sunSolidAngle; + + float zenith_Y, zenith_x, zenith_y; + + float perez_Y[5], perez_x[5], perez_y[5]; + + /* suggested by glome in patch [#8063] */ + float horizon_brightness; + float spread; + float sun_brightness; + float sun_size; + float backscattered_light; + float skyblendfac; + float sky_exposure; + + float atm_HGg; + + float atm_SunIntensity; + float atm_InscatteringMultiplier; + float atm_ExtinctionMultiplier; + float atm_BetaRayMultiplier; + float atm_BetaMieMultiplier; + float atm_DistanceMultiplier; + + float atm_BetaRay[3]; + float atm_BetaDashRay[3]; + float atm_BetaMie[3]; + float atm_BetaDashMie[3]; + float atm_BetaRM[3]; +} SunSky; + +void InitSunSky(struct SunSky *sunsky, float turb, const float toSun[3], float horizon_brightness, + float spread, float sun_brightness, float sun_size, float back_scatter, + float skyblendfac, short skyblendtype, float sky_exposure, float sky_colorspace); + +void GetSkyXYZRadiance(struct SunSky *sunsky, float theta, float phi, float color_out[3]); +void GetSkyXYZRadiancef(struct SunSky *sunsky, const float varg[3], float color_out[3]); +void InitAtmosphere(struct SunSky *sunSky, float sun_intens, float mief, float rayf, float inscattf, float extincf, float disf); +void AtmospherePixleShader(struct SunSky *sunSky, float view[3], float s, float rgb[3]); +void ClipColor(float c[3]); + +#endif /*__SUNSKY_H__*/ |