diff options
Diffstat (limited to 'indra/llrender/llatmosphere.h')
| -rw-r--r-- | indra/llrender/llatmosphere.h | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/indra/llrender/llatmosphere.h b/indra/llrender/llatmosphere.h deleted file mode 100644 index 4b8c7d0819..0000000000 --- a/indra/llrender/llatmosphere.h +++ /dev/null @@ -1,173 +0,0 @@ -/** - * @file llatmosphere.h - * @brief LLAtmosphere class - * - * $LicenseInfo:firstyear=2018&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2018, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -#ifndef LL_ATMOSPHERE_H -#define LL_ATMOSPHERE_H - -#include "llglheaders.h" -#include "llgltexture.h" - -// An atmosphere layer of width 'width' (in m), and whose density is defined as -// 'exp_term' * exp('exp_scale' * h) + 'linear_term' * h + 'constant_term', -// clamped to [0,1], and where h is the altitude (in m). 'exp_term' and -// 'constant_term' are unitless, while 'exp_scale' and 'linear_term' are in -// m^-1. -class DensityLayer { - public: - DensityLayer() - : width(0.0f) - , exp_term(0.0f) - , exp_scale(0.0f) - , linear_term(0.0f) - , constant_term(0.0f) - { - } - - DensityLayer(float width, float exp_term, float exp_scale, float linear_term, float constant_term) - : width(width) - , exp_term(exp_term) - , exp_scale(exp_scale) - , linear_term(linear_term) - , constant_term(constant_term) - { - } - - bool operator==(const DensityLayer& rhs) const - { - if (width != rhs.width) - { - return false; - } - - if (exp_term != rhs.exp_term) - { - return false; - } - - if (exp_scale != rhs.exp_scale) - { - return false; - } - - if (linear_term != rhs.linear_term) - { - return false; - } - - if (constant_term != rhs.constant_term) - { - return false; - } - - return true; - } - - float width = 1024.0f; - float exp_term = 1.0f; - float exp_scale = 1.0f; - float linear_term = 1.0f; - float constant_term = 0.0f; -}; - -typedef std::vector<DensityLayer> DensityProfile; - -class AtmosphericModelSettings -{ -public: - AtmosphericModelSettings(); - - AtmosphericModelSettings( - DensityProfile& rayleighProfile, - DensityProfile& mieProfile, - DensityProfile& absorptionProfile); - - AtmosphericModelSettings( - F32 skyBottomRadius, - F32 skyTopRadius, - DensityProfile& rayleighProfile, - DensityProfile& mieProfile, - DensityProfile& absorptionProfile, - F32 sunArcRadians, - F32 mieAniso); - - bool operator==(const AtmosphericModelSettings& rhs) const; - - F32 m_skyBottomRadius; - F32 m_skyTopRadius; - DensityProfile m_rayleighProfile; - DensityProfile m_mieProfile; - DensityProfile m_absorptionProfile; - F32 m_sunArcRadians; - F32 m_mieAnisotropy; -}; - -class LLAtmosphere -{ -public: - LLAtmosphere(); - ~LLAtmosphere(); - - static void initClass(); - static void cleanupClass(); - - const LLAtmosphere& operator=(const LLAtmosphere& rhs) - { - LL_ERRS() << "Illegal operation!" << LL_ENDL; - return *this; - } - - LLGLTexture* getTransmittance(); - LLGLTexture* getScattering(); - LLGLTexture* getMieScattering(); - LLGLTexture* getIlluminance(); - - bool configureAtmosphericModel(AtmosphericModelSettings& settings); - -protected: - LLAtmosphere(const LLAtmosphere& rhs) - { - *this = rhs; - } - - LLPointer<LLGLTexture> m_transmittance; - LLPointer<LLGLTexture> m_scattering; - LLPointer<LLGLTexture> m_mie_scatter_texture; - LLPointer<LLGLTexture> m_illuminance; - - std::vector<double> m_wavelengths; - std::vector<double> m_solar_irradiance; - std::vector<double> m_rayleigh_scattering; - std::vector<double> m_mie_scattering; - std::vector<double> m_mie_extinction; - std::vector<double> m_absorption_extinction; - std::vector<double> m_ground_albedo; - - AtmosphericModelSettings m_settings; -}; - -extern LLAtmosphere* gAtmosphere; - -#endif // LL_ATMOSPHERE_H |