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Diffstat (limited to 'indra/newview/llsettingssky.cpp')
| -rw-r--r-- | indra/newview/llsettingssky.cpp | 513 |
1 files changed, 513 insertions, 0 deletions
diff --git a/indra/newview/llsettingssky.cpp b/indra/newview/llsettingssky.cpp new file mode 100644 index 0000000000..364c211344 --- /dev/null +++ b/indra/newview/llsettingssky.cpp @@ -0,0 +1,513 @@ +/** +* @file llsettingssky.cpp +* @author optional +* @brief A base class for asset based settings groups. +* +* $LicenseInfo:2011&license=viewerlgpl$ +* Second Life Viewer Source Code +* Copyright (C) 2017, 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 +* $/LicenseInfo$ +*/ + +#include "llviewerprecompiledheaders.h" +#include "llviewercontrol.h" +#include "llsettingssky.h" +#include <algorithm> +#include <boost/make_shared.hpp> +#include "lltrace.h" +#include "llfasttimer.h" +#include "v3colorutil.h" + +#include "llglslshader.h" +#include "llviewershadermgr.h" + +#include "llsky.h" + +//========================================================================= +namespace +{ + const LLVector3 DUE_EAST(-1.0f, 0.0f, 0.0); + + LLTrace::BlockTimerStatHandle FTM_BLEND_ENVIRONMENT("Blending Environment Params"); + LLTrace::BlockTimerStatHandle FTM_UPDATE_ENVIRONMENT("Update Environment Params"); + +} + +//========================================================================= +const std::string LLSettingsSky::SETTING_AMBIENT("ambient"); +const std::string LLSettingsSky::SETTING_BLOOM_TEXTUREID("bloom_id"); +const std::string LLSettingsSky::SETTING_BLUE_DENSITY("blue_density"); +const std::string LLSettingsSky::SETTING_BLUE_HORIZON("blue_horizon"); +const std::string LLSettingsSky::SETTING_CLOUD_COLOR("cloud_color"); +const std::string LLSettingsSky::SETTING_CLOUD_POS_DENSITY1("cloud_pos_density1"); +const std::string LLSettingsSky::SETTING_CLOUD_POS_DENSITY2("cloud_pos_density2"); +const std::string LLSettingsSky::SETTING_CLOUD_SCALE("cloud_scale"); +const std::string LLSettingsSky::SETTING_CLOUD_SCROLL_RATE("cloud_scroll_rate"); +const std::string LLSettingsSky::SETTING_CLOUD_SHADOW("cloud_shadow"); +const std::string LLSettingsSky::SETTING_CLOUD_TEXTUREID("cloud_id"); +const std::string LLSettingsSky::SETTING_DENSITY_MULTIPLIER("density_multiplier"); +const std::string LLSettingsSky::SETTING_DISTANCE_MULTIPLIER("distance_multiplier"); +const std::string LLSettingsSky::SETTING_DOME_OFFSET("dome_offset"); +const std::string LLSettingsSky::SETTING_DOME_RADIUS("dome_radius"); +const std::string LLSettingsSky::SETTING_GAMMA("gamma"); +const std::string LLSettingsSky::SETTING_GLOW("glow"); +const std::string LLSettingsSky::SETTING_HAZE_DENSITY("haze_density"); +const std::string LLSettingsSky::SETTING_HAZE_HORIZON("haze_horizon"); +const std::string LLSettingsSky::SETTING_LIGHT_NORMAL("lightnorm"); +const std::string LLSettingsSky::SETTING_MAX_Y("max_y"); +const std::string LLSettingsSky::SETTING_MOON_ROTATION("moon_rotation"); +const std::string LLSettingsSky::SETTING_MOON_TEXTUREID("moon_id"); +const std::string LLSettingsSky::SETTING_NAME("name"); +const std::string LLSettingsSky::SETTING_STAR_BRIGHTNESS("star_brightness"); +const std::string LLSettingsSky::SETTING_SUNLIGHT_COLOR("sunlight_color"); +const std::string LLSettingsSky::SETTING_SUN_ROTATION("sun_rotation"); +const std::string LLSettingsSky::SETTING_SUN_TEXUTUREID("sun_id"); + +const std::string LLSettingsSky::SETTING_LEGACY_EAST_ANGLE("east_angle"); +const std::string LLSettingsSky::SETTING_LEGACY_ENABLE_CLOUD_SCROLL("enable_cloud_scroll"); +const std::string LLSettingsSky::SETTING_LEGACY_SUN_ANGLE("sun_angle"); + + +//========================================================================= +LLSettingsSky::LLSettingsSky(const LLSD &data) : + LLSettingsBase(data) +{ +} + +LLSettingsSky::LLSettingsSky(): + LLSettingsBase() +{ +} + +LLSettingsSky::stringset_t LLSettingsSky::getSlerpKeys() const +{ + static stringset_t slepSet; + + if (slepSet.empty()) + { + slepSet.insert(SETTING_SUN_ROTATION); + slepSet.insert(SETTING_MOON_ROTATION); + } + + return slepSet; +} + + +LLSettingsSky::ptr_t LLSettingsSky::buildFromLegacyPreset(const std::string &name, const LLSD &oldsettings) +{ + LLSD newsettings(LLSD::emptyMap()); + + newsettings[SETTING_NAME] = name; + + if (oldsettings.has(SETTING_AMBIENT)) + { + newsettings[SETTING_AMBIENT] = LLColor3(oldsettings[SETTING_AMBIENT]).getValue(); + } + + if (oldsettings.has(SETTING_BLUE_DENSITY)) + { + newsettings[SETTING_BLUE_DENSITY] = LLColor3(oldsettings[SETTING_BLUE_DENSITY]).getValue(); + } + + if (oldsettings.has(SETTING_BLUE_HORIZON)) + { + newsettings[SETTING_BLUE_HORIZON] = LLColor3(oldsettings[SETTING_BLUE_HORIZON]).getValue(); + } + + if (oldsettings.has(SETTING_CLOUD_COLOR)) + { + newsettings[SETTING_CLOUD_COLOR] = LLColor4(oldsettings[SETTING_CLOUD_COLOR]).getValue(); + } + if (oldsettings.has(SETTING_SUNLIGHT_COLOR)) + { + newsettings[SETTING_SUNLIGHT_COLOR] = LLColor4(oldsettings[SETTING_SUNLIGHT_COLOR]).getValue(); + } + if (oldsettings.has(SETTING_CLOUD_SHADOW)) + { + newsettings[SETTING_CLOUD_SHADOW] = LLSD::Real(oldsettings[SETTING_CLOUD_SHADOW][0].asReal()); + } + + if (oldsettings.has(SETTING_CLOUD_POS_DENSITY1)) + { + newsettings[SETTING_CLOUD_POS_DENSITY1] = LLColor4(oldsettings[SETTING_CLOUD_POS_DENSITY1]).getValue(); + } + if (oldsettings.has(SETTING_CLOUD_POS_DENSITY2)) + { + newsettings[SETTING_CLOUD_POS_DENSITY2] = LLColor4(oldsettings[SETTING_CLOUD_POS_DENSITY2]).getValue(); + } + if (oldsettings.has(SETTING_LIGHT_NORMAL)) + { + newsettings[SETTING_LIGHT_NORMAL] = LLVector4(oldsettings[SETTING_LIGHT_NORMAL]).getValue(); + } + + if (oldsettings.has(SETTING_CLOUD_SCALE)) + { + newsettings[SETTING_CLOUD_SCALE] = LLSD::Real(oldsettings[SETTING_CLOUD_SCALE][0].asReal()); + } + + if (oldsettings.has(SETTING_DENSITY_MULTIPLIER)) + { + newsettings[SETTING_DENSITY_MULTIPLIER] = LLSD::Real(oldsettings[SETTING_DENSITY_MULTIPLIER][0].asReal()); + } + if (oldsettings.has(SETTING_DISTANCE_MULTIPLIER)) + { + newsettings[SETTING_DISTANCE_MULTIPLIER] = LLSD::Real(oldsettings[SETTING_DISTANCE_MULTIPLIER][0].asReal()); + } + if (oldsettings.has(SETTING_HAZE_DENSITY)) + { + newsettings[SETTING_HAZE_DENSITY] = LLSD::Real(oldsettings[SETTING_HAZE_DENSITY][0].asReal()); + } + if (oldsettings.has(SETTING_HAZE_HORIZON)) + { + newsettings[SETTING_HAZE_HORIZON] = LLSD::Real(oldsettings[SETTING_HAZE_HORIZON][0].asReal()); + } + if (oldsettings.has(SETTING_MAX_Y)) + { + newsettings[SETTING_MAX_Y] = LLSD::Real(oldsettings[SETTING_MAX_Y][0].asReal()); + } + if (oldsettings.has(SETTING_STAR_BRIGHTNESS)) + { + newsettings[SETTING_STAR_BRIGHTNESS] = LLSD::Real(oldsettings[SETTING_STAR_BRIGHTNESS].asReal()); + } + + if (oldsettings.has(SETTING_GLOW)) + { + newsettings[SETTING_GLOW] = LLColor3(oldsettings[SETTING_GLOW]).getValue(); + } + + if (oldsettings.has(SETTING_GAMMA)) + { + newsettings[SETTING_GAMMA] = LLSD::Real(oldsettings[SETTING_GAMMA][0].asReal()); + } + + if (oldsettings.has(SETTING_CLOUD_SCROLL_RATE)) + { + LLVector2 cloud_scroll(oldsettings[SETTING_CLOUD_SCROLL_RATE]); + + if (oldsettings.has(SETTING_LEGACY_ENABLE_CLOUD_SCROLL)) + { + LLSD enabled = oldsettings[SETTING_LEGACY_ENABLE_CLOUD_SCROLL]; + if (!enabled[0].asBoolean()) + cloud_scroll.mV[0] = 0.0f; + if (!enabled[1].asBoolean()) + cloud_scroll.mV[1] = 0.0f; + } + + newsettings[SETTING_CLOUD_SCROLL_RATE] = cloud_scroll.getValue(); + } + + + if (oldsettings.has(SETTING_LEGACY_EAST_ANGLE) && oldsettings.has(SETTING_LEGACY_SUN_ANGLE)) + { // convert the east and sun angles into a quaternion. + F32 east = oldsettings[SETTING_LEGACY_EAST_ANGLE].asReal(); + F32 azimuth = oldsettings[SETTING_LEGACY_SUN_ANGLE].asReal(); + + LLQuaternion sunquat; + sunquat.setEulerAngles(azimuth, 0.0, east); +// // set the sun direction from SunAngle and EastAngle +// F32 sinTheta = sin(east); +// F32 cosTheta = cos(east); +// +// F32 sinPhi = sin(azimuth); +// F32 cosPhi = cos(azimuth); +// +// LLVector4 sunDir; +// sunDir.mV[0] = -sinTheta * cosPhi; +// sunDir.mV[1] = sinPhi; +// sunDir.mV[2] = cosTheta * cosPhi; +// sunDir.mV[3] = 0; +// +// LLQuaternion sunquat = LLQuaternion(0.1, sunDir); // small rotation around axis + LLQuaternion moonquat = ~sunquat; + + newsettings[SETTING_SUN_ROTATION] = sunquat.getValue(); + newsettings[SETTING_MOON_ROTATION] = moonquat.getValue(); + } + + LLSettingsSky::ptr_t skyp = boost::make_shared<LLSettingsSky>(newsettings); + skyp->update(); + + return skyp; +} + +LLSettingsSky::ptr_t LLSettingsSky::buildDefaultSky() +{ + LLSD settings = LLSettingsSky::defaults(); + + LLSettingsSky::ptr_t skyp = boost::make_shared<LLSettingsSky>(settings); + skyp->update(); + + return skyp; +} + + +// Settings status + +LLSettingsSky::ptr_t LLSettingsSky::blend(const LLSettingsSky::ptr_t &other, F32 mix) const +{ + LL_RECORD_BLOCK_TIME(FTM_BLEND_ENVIRONMENT); + LL_INFOS("WINDLIGHT", "SKY", "EEP") << "Blending new sky settings object." << LL_ENDL; + + LLSettingsSky::ptr_t skyp = boost::make_shared<LLSettingsSky>(mSettings); + // the settings in the initial constructor are references tho this' settings block. + // They will be replaced in the following lerp + skyp->lerpSettings(*other, mix); + + return skyp; +} + + +LLSD LLSettingsSky::defaults() +{ + LLSD dfltsetting; + + + LLQuaternion sunquat; + sunquat.setEulerAngles(1.39626, 0.0, 0.0); // 80deg Azumith/0deg East + LLQuaternion moonquat = ~sunquat; + + // Magic constants copied form dfltsetting.xml + dfltsetting[SETTING_AMBIENT] = LLColor3::white.getValue(); + dfltsetting[SETTING_BLUE_DENSITY] = LLColor3(0.2447, 0.4487, 0.7599).getValue(); + dfltsetting[SETTING_BLUE_HORIZON] = LLColor3(0.4954, 0.4954, 0.6399).getValue(); + dfltsetting[SETTING_CLOUD_COLOR] = LLColor3(0.4099, 0.4099, 0.4099).getValue(); + dfltsetting[SETTING_CLOUD_POS_DENSITY1] = LLColor3(1.0000, 0.5260, 1.0000).getValue(); + dfltsetting[SETTING_CLOUD_POS_DENSITY2] = LLColor3(1.0000, 0.5260, 1.0000).getValue(); + dfltsetting[SETTING_CLOUD_SCALE] = LLSD::Real(0.4199); + dfltsetting[SETTING_CLOUD_SCROLL_RATE] = LLSDArray(10.1999)(10.0109); + dfltsetting[SETTING_CLOUD_SHADOW] = LLColor3(0.2699, 0.0000, 0.0000).getValue(); + dfltsetting[SETTING_DENSITY_MULTIPLIER] = LLSD::Real(0.0001); + dfltsetting[SETTING_DISTANCE_MULTIPLIER] = LLSD::Real(0.8000); + dfltsetting[SETTING_DOME_OFFSET] = LLSD::Real(1.0); + dfltsetting[SETTING_DOME_RADIUS] = LLSD::Real(0.0); + dfltsetting[SETTING_GAMMA] = LLSD::Real(1.0000); + dfltsetting[SETTING_GLOW] = LLColor3(5.000, 0.0010, -0.4799).getValue(); // *RIDER: This is really weird for a color... TODO: check if right. + dfltsetting[SETTING_HAZE_DENSITY] = LLSD::Real(0.6999); + dfltsetting[SETTING_HAZE_HORIZON] = LLSD::Real(0.1899); + dfltsetting[SETTING_LIGHT_NORMAL] = LLVector4(0.0000, 0.9126, -0.4086, 0.0000).getValue(); + dfltsetting[SETTING_MAX_Y] = LLSD::Real(1605); + dfltsetting[SETTING_MOON_ROTATION] = moonquat.getValue(); + dfltsetting[SETTING_NAME] = std::string("_default_"); + dfltsetting[SETTING_STAR_BRIGHTNESS] = LLSD::Real(0.0000); + dfltsetting[SETTING_SUNLIGHT_COLOR] = LLColor3(0.7342, 0.7815, 0.8999).getValue(); + dfltsetting[SETTING_SUN_ROTATION] = sunquat.getValue(); + + dfltsetting[SETTING_BLOOM_TEXTUREID] = LLUUID::null; + dfltsetting[SETTING_CLOUD_TEXTUREID] = LLUUID::null; + dfltsetting[SETTING_MOON_TEXTUREID] = IMG_SUN; // gMoonTextureID; // These two are returned by the login... wow! + dfltsetting[SETTING_SUN_TEXUTUREID] = IMG_MOON; // gSunTextureID; + + return dfltsetting; +} + +void LLSettingsSky::updateSettings() +{ + LL_RECORD_BLOCK_TIME(FTM_UPDATE_ENVIRONMENT); + LL_INFOS("WINDLIGHT", "SKY", "EEP") << "WL Parameters are dirty. Reticulating Splines..." << LL_ENDL; + + // base class clears dirty flag so as to not trigger recursive update + LLSettingsBase::updateSettings(); + + calculateHeavnlyBodyPositions(); + calculateLightSettings(); +} + +void LLSettingsSky::calculateHeavnlyBodyPositions() +{ + mSunDirection = DUE_EAST * getSunRotation(); + mSunDirection.normalize(); + mMoonDirection = DUE_EAST * getMoonRotation(); + mMoonDirection.normalize(); + + + // is the normal from the sun or the moon + if (mSunDirection.mV[1] >= 0.0) + { + mLightDirection = mSunDirection; + } + else if (mSunDirection.mV[1] < 0.0 && mSunDirection.mV[1] > LLSky::NIGHTTIME_ELEVATION_COS) + { + // clamp v1 to 0 so sun never points up and causes weirdness on some machines + LLVector3 vec(mSunDirection); + vec.mV[1] = 0.0; + vec.normVec(); + mLightDirection = vec; + } + else + { + mLightDirection = mMoonDirection; + } + + // calculate the clamp lightnorm for sky (to prevent ugly banding in sky + // when haze goes below the horizon + mLightDirectionClamped = mSunDirection; + + if (mLightDirectionClamped.mV[1] < -0.1f) + { + mLightDirectionClamped.mV[1] = -0.1f; + } +} + +void LLSettingsSky::calculateLightSettings() +{ + LLColor3 vary_HazeColor; + LLColor3 vary_SunlightColor; + LLColor3 vary_AmbientColor; + { + // Initialize temp variables + LLColor3 sunlight = getSunlightColor(); + + // Fetch these once... + F32 haze_density = getHazeDensity(); + F32 haze_horizon = getHazeHorizon(); + F32 density_multiplier = getDensityMultiplier(); + F32 max_y = getMaxY(); + F32 gamma = getGama(); + F32 cloud_shadow = getCloudShadow(); + LLColor3 blue_density = getBlueDensity(); + LLColor3 blue_horizon = getBlueHorizon(); + LLColor3 ambient = getAmbientColor(); + + + // Sunlight attenuation effect (hue and brightness) due to atmosphere + // this is used later for sunlight modulation at various altitudes + LLColor3 light_atten = + (blue_density * 1.0 + smear(haze_density * 0.25f)) * (density_multiplier * max_y); + + // Calculate relative weights + LLColor3 temp2(0.f, 0.f, 0.f); + LLColor3 temp1 = blue_density + smear(haze_density); + LLColor3 blue_weight = componentDiv(blue_density, temp1); + LLColor3 haze_weight = componentDiv(smear(haze_density), temp1); + + // Compute sunlight from P & lightnorm (for long rays like sky) + /// USE only lightnorm. + // temp2[1] = llmax(0.f, llmax(0.f, Pn[1]) * 1.0f + lightnorm[1] ); + + // and vary_sunlight will work properly with moon light + F32 lighty = mLightDirection[1]; + if (lighty < LLSky::NIGHTTIME_ELEVATION_COS) + { + lighty = -lighty; + } + + temp2.mV[1] = llmax(0.f, lighty); + if (temp2.mV[1] > 0.f) + { + temp2.mV[1] = 1.f / temp2.mV[1]; + } + componentMultBy(sunlight, componentExp((light_atten * -1.f) * temp2.mV[1])); + + // Distance + temp2.mV[2] = density_multiplier; + + // Transparency (-> temp1) + temp1 = componentExp((temp1 * -1.f) * temp2.mV[2]); + + // vary_AtmosAttenuation = temp1; + + //increase ambient when there are more clouds + LLColor3 tmpAmbient = ambient + (smear(1.f) - ambient) * cloud_shadow * 0.5f; + + //haze color + vary_HazeColor = + (blue_horizon * blue_weight * (sunlight*(1.f - cloud_shadow) + tmpAmbient) + + componentMult(haze_horizon * haze_weight, sunlight*(1.f - cloud_shadow) * temp2.mV[0] + tmpAmbient) + ); + + //brightness of surface both sunlight and ambient + vary_SunlightColor = componentMult(sunlight, temp1) * 1.f; + vary_SunlightColor.clamp(); + vary_SunlightColor = smear(1.0f) - vary_SunlightColor; + vary_SunlightColor = componentPow(vary_SunlightColor, gamma); + vary_SunlightColor = smear(1.0f) - vary_SunlightColor; + vary_AmbientColor = componentMult(tmpAmbient, temp1) * 0.5; + vary_AmbientColor.clamp(); + vary_AmbientColor = smear(1.0f) - vary_AmbientColor; + vary_AmbientColor = componentPow(vary_AmbientColor, gamma); + vary_AmbientColor = smear(1.0f) - vary_AmbientColor; + + componentMultBy(vary_HazeColor, LLColor3(1.f, 1.f, 1.f) - temp1); + + } + + float dp = getSunDirection() * LLVector3(0, 0, 1.f); // a dot b + if (dp < 0) + { + dp = 0; + } + + // Since WL scales everything by 2, there should always be at least a 2:1 brightness ratio + // between sunlight and point lights in windlight to normalize point lights. + F32 sun_dynamic_range = std::max(gSavedSettings.getF32("RenderSunDynamicRange"), 0.0001f); + + mSceneLightStrength = 2.0f * (1.0f + sun_dynamic_range * dp); + + mSunDiffuse = vary_SunlightColor; + mSunAmbient = vary_AmbientColor; + mMoonDiffuse = vary_SunlightColor; + mMoonAmbient = vary_AmbientColor; + + mTotalAmbient = vary_AmbientColor; + mTotalAmbient.setAlpha(1); + + mFadeColor = mTotalAmbient + (mSunDiffuse + mMoonDiffuse) * 0.5f; + mFadeColor.setAlpha(0); + +} + + +LLSettingsSky::stringset_t LLSettingsSky::getSkipApplyKeys() const +{ + + static stringset_t skip_apply_set; + + if (skip_apply_set.empty()) + { + skip_apply_set.insert(SETTING_GAMMA); + skip_apply_set.insert(SETTING_MOON_ROTATION); + skip_apply_set.insert(SETTING_SUN_ROTATION); + skip_apply_set.insert(SETTING_NAME); + skip_apply_set.insert(SETTING_STAR_BRIGHTNESS); + skip_apply_set.insert(SETTING_CLOUD_SCROLL_RATE); + skip_apply_set.insert(SETTING_LIGHT_NORMAL); + skip_apply_set.insert(SETTING_CLOUD_POS_DENSITY1); + } + + return skip_apply_set; +} + +void LLSettingsSky::applySpecial(void *ptarget) +{ + LLGLSLShader *shader = (LLGLSLShader *)ptarget; + + if (shader->mShaderGroup == LLGLSLShader::SG_SKY) + { + shader->uniform4fv(LLViewerShaderMgr::LIGHTNORM, 1, mLightDirectionClamped.mV); + } + + shader->uniform1f(LLShaderMgr::SCENE_LIGHT_STRENGTH, mSceneLightStrength); + + shader->uniform4f(LLShaderMgr::GAMMA, getGama(), 0.0, 0.0, 1.0); +} + +//------------------------------------------------------------------------- +// const std::string LLSettingsSky::SETTING_DENSITY_MULTIPLIER("density_multiplier"); +// const std::string LLSettingsSky::SETTING_LIGHT_NORMAL("lightnorm"); +// const std::string LLSettingsSky::SETTING_NAME("name"); |