diff options
Diffstat (limited to 'indra/newview')
-rw-r--r-- | indra/newview/CMakeLists.txt | 1 | ||||
-rw-r--r-- | indra/newview/lldrawpoolwater.cpp | 8 | ||||
-rw-r--r-- | indra/newview/llenvadapters.cpp | 10 | ||||
-rw-r--r-- | indra/newview/llenvadapters.h | 11 | ||||
-rw-r--r-- | indra/newview/llfloatereditsky.cpp | 43 | ||||
-rw-r--r-- | indra/newview/llfloatereditwater.cpp | 4 | ||||
-rw-r--r-- | indra/newview/lllegacyatmospherics.cpp | 643 | ||||
-rw-r--r-- | indra/newview/lllegacyatmospherics.h | 255 | ||||
-rw-r--r-- | indra/newview/llsettingsvo.cpp | 13 | ||||
-rw-r--r-- | indra/newview/llsky.cpp | 4 | ||||
-rw-r--r-- | indra/newview/llsky.h | 2 | ||||
-rw-r--r-- | indra/newview/lltracker.cpp | 4 | ||||
-rw-r--r-- | indra/newview/llviewerdisplay.cpp | 2 | ||||
-rw-r--r-- | indra/newview/llvoground.cpp | 2 | ||||
-rw-r--r-- | indra/newview/llvosky.cpp | 845 | ||||
-rw-r--r-- | indra/newview/llvosky.h | 250 | ||||
-rw-r--r-- | indra/newview/pipeline.cpp | 4 |
17 files changed, 1023 insertions, 1078 deletions
diff --git a/indra/newview/CMakeLists.txt b/indra/newview/CMakeLists.txt index 1a19e81010..a1fbcf9451 100644 --- a/indra/newview/CMakeLists.txt +++ b/indra/newview/CMakeLists.txt @@ -365,6 +365,7 @@ set(viewer_SOURCE_FILES lljoystickbutton.cpp lllandmarkactions.cpp lllandmarklist.cpp + lllegacyatmospherics.cpp lllistbrowser.cpp lllistcontextmenu.cpp lllistview.cpp diff --git a/indra/newview/lldrawpoolwater.cpp b/indra/newview/lldrawpoolwater.cpp index 567172e647..5c92cf9fce 100644 --- a/indra/newview/lldrawpoolwater.cpp +++ b/indra/newview/lldrawpoolwater.cpp @@ -609,8 +609,8 @@ void LLDrawPoolWater::shade() if (screentex > -1) { - shader->uniform3fv(LLShaderMgr::WATER_FOGCOLOR, 1, pwater->getFogColor().mV); - shader->uniform1f(LLShaderMgr::WATER_FOGDENSITY, pwater->getFogDensity()); + shader->uniform3fv(LLShaderMgr::WATER_FOGCOLOR, 1, pwater->getWaterFogColor().mV); + shader->uniform1f(LLShaderMgr::WATER_FOGDENSITY, pwater->getWaterFogDensity()); gPipeline.mWaterDis.bindTexture(0, screentex); } @@ -620,8 +620,8 @@ void LLDrawPoolWater::shade() if (mVertexShaderLevel == 1) { - LLColor4 fog_color(pwater->getFogColor(), 0.f); - fog_color[3] = pwater->getFogDensity(); + LLColor4 fog_color(pwater->getWaterFogColor(), 0.f); + fog_color[3] = pwater->getWaterFogDensity(); shader->uniform4fv(LLShaderMgr::WATER_FOGCOLOR, 1, fog_color.mV); } diff --git a/indra/newview/llenvadapters.cpp b/indra/newview/llenvadapters.cpp index 57c7a75d52..fdbcf68fa4 100644 --- a/indra/newview/llenvadapters.cpp +++ b/indra/newview/llenvadapters.cpp @@ -33,16 +33,6 @@ LLSkySettingsAdapter::LLSkySettingsAdapter(): mWLGamma(1.0f, LLSettingsSky::SETTING_GAMMA), - -// LEGACY_ATMOSPHERICS - mAmbient(LLColor4(0.5f, 0.75f, 1.0f, 1.19f), LLSettingsSky::SETTING_AMBIENT, "WLAmbient"), - mBlueHorizon(LLColor4(0.25f, 0.25f, 1.0f, 1.0f), LLSettingsSky::SETTING_BLUE_HORIZON, "WLBlueHorizon"), - mBlueDensity(LLColor4(0.25f, 0.25f, 0.25f, 1.0f), LLSettingsSky::SETTING_BLUE_DENSITY, "WLBlueDensity"), - mHazeDensity(1.0f, LLSettingsSky::SETTING_HAZE_DENSITY), - mHazeHorizon(1.0f, LLSettingsSky::SETTING_HAZE_HORIZON), - mDensityMult(1.0f, LLSettingsSky::SETTING_DENSITY_MULTIPLIER, 1000), - mDistanceMult(1.0f, LLSettingsSky::SETTING_DISTANCE_MULTIPLIER), - mMaxAlt(4000.0f, LLSettingsSky::SETTING_MAX_Y), // Lighting mLightnorm(LLColor4(0.f, 0.707f, -0.707f, 1.f), LLSettingsSky::SETTING_LIGHT_NORMAL), diff --git a/indra/newview/llenvadapters.h b/indra/newview/llenvadapters.h index c53423c5ae..bd58db0589 100644 --- a/indra/newview/llenvadapters.h +++ b/indra/newview/llenvadapters.h @@ -418,17 +418,6 @@ public: WLFloatControl mWLGamma; - /// Atmospherics -// LEGACY_ATMOSPHERICS - WLColorControl mAmbient; - WLColorControl mBlueHorizon; - WLFloatControl mHazeDensity; - WLColorControl mBlueDensity; - WLFloatControl mDensityMult; - WLFloatControl mDistanceMult; - WLFloatControl mHazeHorizon; - WLFloatControl mMaxAlt; - /// Lighting WLColorControl mLightnorm; WLColorControl mSunlight; diff --git a/indra/newview/llfloatereditsky.cpp b/indra/newview/llfloatereditsky.cpp index 763f9e4d5a..6bdc5ee823 100644 --- a/indra/newview/llfloatereditsky.cpp +++ b/indra/newview/llfloatereditsky.cpp @@ -151,22 +151,6 @@ void LLFloaterEditSky::initCallbacks(void) // Connect to region info updates. LLRegionInfoModel::instance().setUpdateCallback(boost::bind(&LLFloaterEditSky::onRegionInfoUpdate, this)); - //------------------------------------------------------------------------- -// LEGACY_ATMOSPHERICS - // ambient - getChild<LLUICtrl>("WLAmbient")->setCommitCallback(boost::bind(&LLFloaterEditSky::onColorControlMoved, this, _1, &mSkyAdapter->mAmbient)); - - // blue horizon/density - getChild<LLUICtrl>("WLBlueHorizon")->setCommitCallback(boost::bind(&LLFloaterEditSky::onColorControlMoved, this, _1, &mSkyAdapter->mBlueHorizon)); - getChild<LLUICtrl>("WLBlueDensity")->setCommitCallback(boost::bind(&LLFloaterEditSky::onColorControlMoved, this, _1, &mSkyAdapter->mBlueDensity)); - - // haze density, horizon, mult, and altitude - getChild<LLUICtrl>("WLHazeDensity")->setCommitCallback(boost::bind(&LLFloaterEditSky::onFloatControlMoved, this, _1, &mSkyAdapter->mHazeDensity)); - getChild<LLUICtrl>("WLHazeHorizon")->setCommitCallback(boost::bind(&LLFloaterEditSky::onFloatControlMoved, this, _1, &mSkyAdapter->mHazeHorizon)); - getChild<LLUICtrl>("WLDensityMult")->setCommitCallback(boost::bind(&LLFloaterEditSky::onFloatControlMoved, this, _1, &mSkyAdapter->mDensityMult)); - getChild<LLUICtrl>("WLDistanceMult")->setCommitCallback(boost::bind(&LLFloaterEditSky::onFloatControlMoved, this, _1, &mSkyAdapter->mDistanceMult)); - getChild<LLUICtrl>("WLMaxAltitude")->setCommitCallback(boost::bind(&LLFloaterEditSky::onFloatControlMoved, this, _1, &mSkyAdapter->mMaxAlt)); - // sunlight getChild<LLUICtrl>("WLSunlight")->setCommitCallback(boost::bind(&LLFloaterEditSky::onColorControlMoved, this, _1, &mSkyAdapter->mSunlight)); @@ -220,29 +204,6 @@ void LLFloaterEditSky::syncControls() mSkyPresetNameEditor->setText(name); mSkyPresetCombo->setValue(name); -// LEGACY_ATMOSPHERICS - // ambient - mSkyAdapter->mAmbient.setColor3( psky->getAmbientColor() ); - setColorSwatch("WLAmbient", mSkyAdapter->mAmbient, WL_SUN_AMBIENT_SLIDER_SCALE); - - // blue horizon / density - mSkyAdapter->mBlueHorizon.setColor3( psky->getBlueHorizon() ); - setColorSwatch("WLBlueHorizon", mSkyAdapter->mBlueHorizon, WL_BLUE_HORIZON_DENSITY_SCALE); - mSkyAdapter->mBlueDensity.setColor3( psky->getBlueDensity() ); - setColorSwatch("WLBlueDensity", mSkyAdapter->mBlueDensity, WL_BLUE_HORIZON_DENSITY_SCALE); - - // haze density, horizon, mult, and altitude - mSkyAdapter->mHazeDensity = psky->getHazeDensity(); - childSetValue("WLHazeDensity", (F32) mSkyAdapter->mHazeDensity); - mSkyAdapter->mHazeHorizon = psky->getHazeHorizon(); - childSetValue("WLHazeHorizon", (F32) mSkyAdapter->mHazeHorizon); - mSkyAdapter->mDensityMult = psky->getDensityMultiplier(); - childSetValue("WLDensityMult", ((F32) mSkyAdapter->mDensityMult) * mSkyAdapter->mDensityMult.getMult()); - mSkyAdapter->mMaxAlt = psky->getMaxY(); - mSkyAdapter->mDistanceMult = psky->getDistanceMultiplier(); - childSetValue("WLDistanceMult", (F32) mSkyAdapter->mDistanceMult); - childSetValue("WLMaxAltitude", (F32) mSkyAdapter->mMaxAlt); - // Lighting // sunlight @@ -254,9 +215,7 @@ void LLFloaterEditSky::syncControls() childSetValue("WLGlowR", 2 - mSkyAdapter->mGlow.getRed() / 20.0f); childSetValue("WLGlowB", -mSkyAdapter->mGlow.getBlue() / 5.0f); - - -// LLSettingsSky::azimalt_t azal = psky->getSunRotationAzAl(); +// LLSettingsSky::azimalt_t azal = psky->getSunRotationAzAl(); // // F32 time24 = sun_pos_to_time24(azal.second / F_TWO_PI); // getChild<LLMultiSliderCtrl>("WLSunPos")->setCurSliderValue(time24, TRUE); diff --git a/indra/newview/llfloatereditwater.cpp b/indra/newview/llfloatereditwater.cpp index 4d8ffdef21..6e7b777e70 100644 --- a/indra/newview/llfloatereditwater.cpp +++ b/indra/newview/llfloatereditwater.cpp @@ -184,10 +184,10 @@ void LLFloaterEditWater::syncControls() mWaterPresetCombo->setValue(name); //getChild<LLUICtrl>("WaterGlow")->setValue(col.mV[3]); - getChild<LLColorSwatchCtrl>("WaterFogColor")->set(LLColor4(pwater->getFogColor())); + getChild<LLColorSwatchCtrl>("WaterFogColor")->set(LLColor4(pwater->getWaterFogColor())); // fog and wavelets - mWaterAdapter->mFogDensity = pwater->getFogDensity(); + mWaterAdapter->mFogDensity = pwater->getWaterFogDensity(); getChild<LLUICtrl>("WaterFogDensity")->setValue(mWaterAdapter->mFogDensity.getExp()); mWaterAdapter->mUnderWaterFogMod = pwater->getFogMod(); diff --git a/indra/newview/lllegacyatmospherics.cpp b/indra/newview/lllegacyatmospherics.cpp new file mode 100644 index 0000000000..6bc95c367c --- /dev/null +++ b/indra/newview/lllegacyatmospherics.cpp @@ -0,0 +1,643 @@ +/** + * @file lllegacyatmospherics.cpp + * @brief LLAtmospherics class implementation + * + * $LicenseInfo:firstyear=2001&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2010, 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 "lllegacyatmospherics.h" + +#include "llfeaturemanager.h" +#include "llviewercontrol.h" +#include "llframetimer.h" + +#include "llagent.h" +#include "llagentcamera.h" +#include "lldrawable.h" +#include "llface.h" +#include "llglheaders.h" +#include "llsky.h" +#include "llviewercamera.h" +#include "llviewertexturelist.h" +#include "llviewerobjectlist.h" +#include "llviewerregion.h" +#include "llworld.h" +#include "pipeline.h" +#include "v3colorutil.h" + +#include "llsettingssky.h" +#include "llenvironment.h" +#include "lldrawpoolwater.h" + +class LLFastLn +{ +public: + LLFastLn() + { + mTable[0] = 0; + for( S32 i = 1; i < 257; i++ ) + { + mTable[i] = log((F32)i); + } + } + + F32 ln( F32 x ) + { + const F32 OO_255 = 0.003921568627450980392156862745098f; + const F32 LN_255 = 5.5412635451584261462455391880218f; + + if( x < OO_255 ) + { + return log(x); + } + else + if( x < 1 ) + { + x *= 255.f; + S32 index = llfloor(x); + F32 t = x - index; + F32 low = mTable[index]; + F32 high = mTable[index + 1]; + return low + t * (high - low) - LN_255; + } + else + if( x <= 255 ) + { + S32 index = llfloor(x); + F32 t = x - index; + F32 low = mTable[index]; + F32 high = mTable[index + 1]; + return low + t * (high - low); + } + else + { + return log( x ); + } + } + + F32 pow( F32 x, F32 y ) + { + return (F32)LL_FAST_EXP(y * ln(x)); + } + + +private: + F32 mTable[257]; // index 0 is unused +}; + +static LLFastLn gFastLn; + + +// Functions used a lot. + +inline F32 LLHaze::calcPhase(const F32 cos_theta) const +{ + const F32 g2 = mG * mG; + const F32 den = 1 + g2 - 2 * mG * cos_theta; + return (1 - g2) * gFastLn.pow(den, -1.5); +} + +inline void color_pow(LLColor3 &col, const F32 e) +{ + col.mV[0] = gFastLn.pow(col.mV[0], e); + col.mV[1] = gFastLn.pow(col.mV[1], e); + col.mV[2] = gFastLn.pow(col.mV[2], e); +} + +inline LLColor3 color_norm(const LLColor3 &col) +{ + const F32 m = color_max(col); + if (m > 1.f) + { + return 1.f/m * col; + } + else return col; +} + +inline void color_gamma_correct(LLColor3 &col) +{ + const F32 gamma_inv = 1.f/1.2f; + if (col.mV[0] != 0.f) + { + col.mV[0] = gFastLn.pow(col.mV[0], gamma_inv); + } + if (col.mV[1] != 0.f) + { + col.mV[1] = gFastLn.pow(col.mV[1], gamma_inv); + } + if (col.mV[2] != 0.f) + { + col.mV[2] = gFastLn.pow(col.mV[2], gamma_inv); + } +} + +static LLColor3 calc_air_sca_sea_level() +{ + static LLColor3 WAVE_LEN(675, 520, 445); + static LLColor3 refr_ind = refr_ind_calc(WAVE_LEN); + static LLColor3 n21 = refr_ind * refr_ind - LLColor3(1, 1, 1); + static LLColor3 n4 = n21 * n21; + static LLColor3 wl2 = WAVE_LEN * WAVE_LEN * 1e-6f; + static LLColor3 wl4 = wl2 * wl2; + static LLColor3 mult_const = fsigma * 2.0f/ 3.0f * 1e24f * (F_PI * F_PI) * n4; + static F32 dens_div_N = F32( ATM_SEA_LEVEL_NDENS / Ndens2); + return dens_div_N * mult_const.divide(wl4); +} + +// static constants. +LLColor3 const LLHaze::sAirScaSeaLevel = calc_air_sca_sea_level(); +F32 const LLHaze::sAirScaIntense = color_intens(LLHaze::sAirScaSeaLevel); +F32 const LLHaze::sAirScaAvg = LLHaze::sAirScaIntense / 3.f; + +/*************************************** + Atmospherics +***************************************/ + +LLAtmospherics::LLAtmospherics() +: mCloudDensity(0.2f), + mWind(0.f), + mWorldScale(1.f) +{ + /// WL PARAMS + mInitialized = FALSE; + mUpdateTimer.reset(); + mAmbientScale = gSavedSettings.getF32("SkyAmbientScale"); + mNightColorShift = gSavedSettings.getColor3("SkyNightColorShift"); + mFogColor.mV[VRED] = mFogColor.mV[VGREEN] = mFogColor.mV[VBLUE] = 0.5f; + mFogColor.mV[VALPHA] = 0.0f; + mFogRatio = 1.2f; + mHazeConcentration = 0.f; + mInterpVal = 0.f; +} + + +LLAtmospherics::~LLAtmospherics() +{ +} + +void LLAtmospherics::init() +{ + const F32 haze_int = color_intens(mHaze.calcSigSca(0)); + mHazeConcentration = haze_int / (color_intens(mHaze.calcAirSca(0)) + haze_int); + mInitialized = true; +} + +LLColor4 LLAtmospherics::calcSkyColorInDir(const LLVector3 &dir, bool isShiny) +{ + F32 saturation = 0.3f; + if (dir.mV[VZ] < -0.02f) + { + LLColor4 col = LLColor4(llmax(mFogColor[0],0.2f), llmax(mFogColor[1],0.2f), llmax(mFogColor[2],0.22f),0.f); + if (isShiny) + { + LLColor3 desat_fog = LLColor3(mFogColor); + F32 brightness = desat_fog.brightness(); + // So that shiny somewhat shows up at night. + if (brightness < 0.15f) + { + brightness = 0.15f; + desat_fog = smear(0.15f); + } + LLColor3 greyscale = smear(brightness); + desat_fog = desat_fog * saturation + greyscale * (1.0f - saturation); + if (!gPipeline.canUseWindLightShaders()) + { + col = LLColor4(desat_fog, 0.f); + } + else + { + col = LLColor4(desat_fog * 0.5f, 0.f); + } + } + float x = 1.0f-fabsf(-0.1f-dir.mV[VZ]); + x *= x; + col.mV[0] *= x*x; + col.mV[1] *= powf(x, 2.5f); + col.mV[2] *= x*x*x; + return col; + } + + // undo OGL_TO_CFR_ROTATION and negate vertical direction. + LLVector3 Pn = LLVector3(-dir[1] , -dir[2], -dir[0]); + + AtmosphericsVars vars; + calcSkyColorWLVert(Pn, vars); + + LLColor3 sky_color = calcSkyColorWLFrag(Pn, vars); + if (isShiny) + { + F32 brightness = sky_color.brightness(); + LLColor3 greyscale = smear(brightness); + sky_color = sky_color * saturation + greyscale * (1.0f - saturation); + sky_color *= (0.5f + 0.5f * brightness); + } + return LLColor4(sky_color, 0.0f); +} + +void LLAtmospherics::calcSkyColorWLVert(LLVector3 & Pn, AtmosphericsVars& vars) +{ + LLSettingsSky::ptr_t psky = LLEnvironment::instance().getCurrentSky(); + + LLColor3 blue_density = psky->getBlueDensity(); + F32 max_y = psky->getMaxY(); + LLVector3 lightnorm = psky->getLightNormal(); + + // project the direction ray onto the sky dome. + F32 phi = acos(Pn[1]); + F32 sinA = sin(F_PI - phi); + if (fabsf(sinA) < 0.01f) + { //avoid division by zero + sinA = 0.01f; + } + + F32 Plen = psky->getDomeRadius() * sin(F_PI + phi + asin(psky->getDomeOffset() * sinA)) / sinA; + + Pn *= Plen; + + vars.horizontalProjection[0] = LLVector2(Pn[0], Pn[2]); + vars.horizontalProjection[0] /= - 2.f * Plen; + + // Set altitude + if (Pn[1] > 0.f) + { + Pn *= (max_y / Pn[1]); + } + else + { + Pn *= (-32000.f / Pn[1]); + } + + Plen = Pn.length(); + Pn /= Plen; + + // Initialize temp variables + LLColor3 sunlight = psky->getSunlightColor(); + LLColor3 ambient = psky->getAmbientColor(); + LLColor3 blue_horizon = psky->getBlueHorizon(); + F32 haze_density = psky->getHazeDensity(); + F32 haze_horizon = psky->getHazeHorizon(); + F32 density_multiplier = psky->getDensityMultiplier(); + LLColor3 glow = psky->getGlow(); + F32 cloud_shadow = psky->getCloudShadow(); + + // 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) + temp2.mV[1] = llmax(F_APPROXIMATELY_ZERO, llmax(0.f, Pn[1]) * 1.0f + lightnorm[1] ); + + temp2.mV[1] = 1.f / temp2.mV[1]; + componentMultBy(sunlight, componentExp((light_atten * -1.f) * temp2.mV[1])); + + // Distance + temp2.mV[2] = Plen * density_multiplier; + + // Transparency (-> temp1) + temp1 = componentExp((temp1 * -1.f) * temp2.mV[2]); + + + // Compute haze glow + temp2.mV[0] = Pn * lightnorm; + + temp2.mV[0] = 1.f - temp2.mV[0]; + // temp2.x is 0 at the sun and increases away from sun + temp2.mV[0] = llmax(temp2.mV[0], .001f); + // Set a minimum "angle" (smaller glow.y allows tighter, brighter hotspot) + temp2.mV[0] *= glow.mV[0]; + // Higher glow.x gives dimmer glow (because next step is 1 / "angle") + temp2.mV[0] = pow(temp2.mV[0], glow.mV[2]); + // glow.z should be negative, so we're doing a sort of (1 / "angle") function + + // Add "minimum anti-solar illumination" + temp2.mV[0] += .25f; + + + // Haze color above cloud + vars.hazeColor = (blue_horizon * blue_weight * (sunlight + ambient) + componentMult(haze_horizon * haze_weight, sunlight * temp2.mV[0] + ambient)); + + // Increase ambient when there are more clouds + LLColor3 tmpAmbient = ambient + (LLColor3::white - ambient) * cloud_shadow * 0.5f; + + // Dim sunlight by cloud shadow percentage + sunlight *= (1.f - cloud_shadow); + + // Haze color below cloud + LLColor3 additiveColorBelowCloud = (blue_horizon * blue_weight * (sunlight + tmpAmbient) + componentMult(haze_horizon * haze_weight, sunlight * temp2.mV[0] + tmpAmbient)); + + // Final atmosphere additive + componentMultBy(vars.hazeColor, LLColor3::white - temp1); + + sunlight = psky->getSunlightColor(); + temp2.mV[1] = llmax(0.f, lightnorm[1] * 2.f); + temp2.mV[1] = 1.f / temp2.mV[1]; + componentMultBy(sunlight, componentExp((light_atten * -1.f) * temp2.mV[1])); + + // Attenuate cloud color by atmosphere + temp1 = componentSqrt(temp1); //less atmos opacity (more transparency) below clouds + + // At horizon, blend high altitude sky color towards the darker color below the clouds + vars.hazeColor += componentMult(additiveColorBelowCloud - vars.hazeColor, LLColor3::white - componentSqrt(temp1)); + + if (Pn[1] < 0.f) + { + // Eric's original: + // LLColor3 dark_brown(0.143f, 0.129f, 0.114f); + LLColor3 dark_brown(0.082f, 0.076f, 0.066f); + LLColor3 brown(0.430f, 0.386f, 0.322f); + LLColor3 sky_lighting = sunlight + ambient; + F32 haze_brightness = vars.hazeColor.brightness(); + + if (Pn[1] < -0.05f) + { + vars.hazeColor = colorMix(dark_brown, brown, -Pn[1] * 0.9f) * sky_lighting * haze_brightness; + } + + if (Pn[1] > -0.1f) + { + vars.hazeColor = colorMix(LLColor3::white * haze_brightness, vars.hazeColor, fabs((Pn[1] + 0.05f) * -20.f)); + } + } +} + +LLColor3 LLAtmospherics::calcSkyColorWLFrag(LLVector3 & Pn, AtmosphericsVars& vars) +{ + LLSettingsSky::ptr_t psky = LLEnvironment::instance().getCurrentSky(); + F32 gamma = psky->getGamma(); + + LLColor3 res; + LLColor3 color0 = vars.hazeColor; + + if (!gPipeline.canUseWindLightShaders()) + { + LLColor3 color1 = color0 * 2.0f; + color1 = smear(1.f) - componentSaturate(color1); + componentPow(color1, gamma); + res = smear(1.f) - color1; + } + else + { + res = color0; + } + +# ifndef LL_RELEASE_FOR_DOWNLOAD + + LLColor3 color2 = 2.f * color0; + + LLColor3 color3 = LLColor3(1.f, 1.f, 1.f) - componentSaturate(color2); + componentPow(color3, gamma); + color3 = LLColor3(1.f, 1.f, 1.f) - color3; + + static enum { + OUT_DEFAULT = 0, + OUT_SKY_BLUE = 1, + OUT_RED = 2, + OUT_PN = 3, + OUT_HAZE = 4, + } debugOut = OUT_DEFAULT; + + switch(debugOut) + { + case OUT_DEFAULT: + break; + case OUT_SKY_BLUE: + res = LLColor3(0.4f, 0.4f, 0.9f); + break; + case OUT_RED: + res = LLColor3(1.f, 0.f, 0.f); + break; + case OUT_PN: + res = LLColor3(Pn[0], Pn[1], Pn[2]); + break; + case OUT_HAZE: + res = vars.hazeColor; + break; + } +# endif // LL_RELEASE_FOR_DOWNLOAD + return res; +} + +void LLAtmospherics::updateFog(const F32 distance, LLVector3& tosun) +{ + if (!gPipeline.hasRenderDebugFeatureMask(LLPipeline::RENDER_DEBUG_FEATURE_FOG)) + { + if (!LLGLSLShader::sNoFixedFunction) + { + glFogf(GL_FOG_DENSITY, 0); + glFogfv(GL_FOG_COLOR, (F32 *) &LLColor4::white.mV); + glFogf(GL_FOG_END, 1000000.f); + } + return; + } + + const BOOL hide_clip_plane = TRUE; + LLColor4 target_fog(0.f, 0.2f, 0.5f, 0.f); + + const F32 water_height = gAgent.getRegion() ? gAgent.getRegion()->getWaterHeight() : 0.f; + // LLWorld::getInstance()->getWaterHeight(); + F32 camera_height = gAgentCamera.getCameraPositionAgent().mV[2]; + + F32 near_clip_height = LLViewerCamera::getInstance()->getAtAxis().mV[VZ] * LLViewerCamera::getInstance()->getNear(); + camera_height += near_clip_height; + + F32 fog_distance = 0.f; + LLColor3 res_color[3]; + + LLColor3 sky_fog_color = LLColor3::white; + LLColor3 render_fog_color = LLColor3::white; + + const F32 tosun_z = tosun.mV[VZ]; + tosun.mV[VZ] = 0.f; + tosun.normalize(); + LLVector3 perp_tosun; + perp_tosun.mV[VX] = -tosun.mV[VY]; + perp_tosun.mV[VY] = tosun.mV[VX]; + LLVector3 tosun_45 = tosun + perp_tosun; + tosun_45.normalize(); + + F32 delta = 0.06f; + tosun.mV[VZ] = delta; + perp_tosun.mV[VZ] = delta; + tosun_45.mV[VZ] = delta; + tosun.normalize(); + perp_tosun.normalize(); + tosun_45.normalize(); + + // Sky colors, just slightly above the horizon in the direction of the sun, perpendicular to the sun, and at a 45 degree angle to the sun. + res_color[0] = calcSkyColorInDir(tosun); + res_color[1] = calcSkyColorInDir(perp_tosun); + res_color[2] = calcSkyColorInDir(tosun_45); + + sky_fog_color = color_norm(res_color[0] + res_color[1] + res_color[2]); + + F32 full_off = -0.25f; + F32 full_on = 0.00f; + F32 on = (tosun_z - full_off) / (full_on - full_off); + on = llclamp(on, 0.01f, 1.f); + sky_fog_color *= 0.5f * on; + + + // We need to clamp these to non-zero, in order for the gamma correction to work. 0^y = ??? + S32 i; + for (i = 0; i < 3; i++) + { + sky_fog_color.mV[i] = llmax(0.0001f, sky_fog_color.mV[i]); + } + + color_gamma_correct(sky_fog_color); + + render_fog_color = sky_fog_color; + + F32 fog_density = 0.f; + fog_distance = mFogRatio * distance; + + if (camera_height > water_height) + { + LLColor4 fog(render_fog_color); + if (!LLGLSLShader::sNoFixedFunction) + { + glFogfv(GL_FOG_COLOR, fog.mV); + } + mGLFogCol = fog; + + if (hide_clip_plane) + { + // For now, set the density to extend to the cull distance. + const F32 f_log = 2.14596602628934723963618357029f; // sqrt(fabs(log(0.01f))) + fog_density = f_log/fog_distance; + if (!LLGLSLShader::sNoFixedFunction) + { + glFogi(GL_FOG_MODE, GL_EXP2); + } + } + else + { + const F32 f_log = 4.6051701859880913680359829093687f; // fabs(log(0.01f)) + fog_density = (f_log)/fog_distance; + if (!LLGLSLShader::sNoFixedFunction) + { + glFogi(GL_FOG_MODE, GL_EXP); + } + } + } + else + { + LLSettingsWater::ptr_t pwater = LLEnvironment::instance().getCurrentWater(); + F32 depth = water_height - camera_height; + + // get the water param manager variables + float water_fog_density = pwater->getWaterFogDensity(); + LLColor4 water_fog_color(pwater->getWaterFogColor()); + + // adjust the color based on depth. We're doing linear approximations + float depth_scale = gSavedSettings.getF32("WaterGLFogDepthScale"); + float depth_modifier = 1.0f - llmin(llmax(depth / depth_scale, 0.01f), + gSavedSettings.getF32("WaterGLFogDepthFloor")); + + LLColor4 fogCol = water_fog_color * depth_modifier; + fogCol.setAlpha(1); + + // set the gl fog color + mGLFogCol = fogCol; + + // set the density based on what the shaders use + fog_density = water_fog_density * gSavedSettings.getF32("WaterGLFogDensityScale"); + + if (!LLGLSLShader::sNoFixedFunction) + { + glFogfv(GL_FOG_COLOR, (F32 *) &fogCol.mV); + glFogi(GL_FOG_MODE, GL_EXP2); + } + } + + mFogColor = sky_fog_color; + mFogColor.setAlpha(1); + + LLDrawPoolWater::sWaterFogEnd = fog_distance*2.2f; + + if (!LLGLSLShader::sNoFixedFunction) + { + LLGLSFog gls_fog; + glFogf(GL_FOG_END, fog_distance*2.2f); + glFogf(GL_FOG_DENSITY, fog_density); + glHint(GL_FOG_HINT, GL_NICEST); + } + stop_glerror(); +} + +// Functions used a lot. +F32 color_norm_pow(LLColor3& col, F32 e, BOOL postmultiply) +{ + F32 mv = color_max(col); + if (0 == mv) + { + return 0; + } + + col *= 1.f / mv; + color_pow(col, e); + if (postmultiply) + { + col *= mv; + } + return mv; +} + +// Returns angle (RADIANs) between the horizontal projection of "v" and the x_axis. +// Range of output is 0.0f to 2pi //359.99999...f +// Returns 0.0f when "v" = +/- z_axis. +F32 azimuth(const LLVector3 &v) +{ + F32 azimuth = 0.0f; + if (v.mV[VX] == 0.0f) + { + if (v.mV[VY] > 0.0f) + { + azimuth = F_PI * 0.5f; + } + else if (v.mV[VY] < 0.0f) + { + azimuth = F_PI * 1.5f;// 270.f; + } + } + else + { + azimuth = (F32) atan(v.mV[VY] / v.mV[VX]); + if (v.mV[VX] < 0.0f) + { + azimuth += F_PI; + } + else if (v.mV[VY] < 0.0f) + { + azimuth += F_PI * 2; + } + } + return azimuth; +} diff --git a/indra/newview/lllegacyatmospherics.h b/indra/newview/lllegacyatmospherics.h new file mode 100644 index 0000000000..71469a622a --- /dev/null +++ b/indra/newview/lllegacyatmospherics.h @@ -0,0 +1,255 @@ +/** + * @file lllegacyatmospherics.h + * @brief LLVOSky class header file + * + * $LicenseInfo:firstyear=2001&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2010, 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_LLLEGACYATMOSPHERICS_H +#define LL_LLLEGACYATMOSPHERICS_H + +#include "stdtypes.h" +#include "v3color.h" +#include "v4coloru.h" +#include "llviewertexture.h" +#include "llviewerobject.h" +#include "llframetimer.h" +#include "v3colorutil.h" +#include "llsettingssky.h" + +////////////////////////////////// +// +// Lots of constants +// +// Will clean these up at some point... +// + +const F32 HORIZON_DIST = 1024.0f; +const F32 EARTH_RADIUS = 6.4e6f; // exact radius = 6.37 x 10^6 m +const F32 ATM_EXP_FALLOFF = 0.000126f; +const F32 ATM_SEA_LEVEL_NDENS = 2.55e25f; +const F32 ATM_HEIGHT = 100000.f; + +// constants used in calculation of scattering coeff of clear air +const F32 sigma = 0.035f; +const F32 fsigma = (6.f + 3.f * sigma) / (6.f-7.f*sigma); +const F64 Ndens = 2.55e25; +const F64 Ndens2 = Ndens*Ndens; + +class LLFace; +class LLHaze; + +LL_FORCE_INLINE LLColor3 refr_ind_calc(const LLColor3 &wave_length) +{ + LLColor3 refr_ind; + for (S32 i = 0; i < 3; ++i) + { + const F32 wl2 = wave_length.mV[i] * wave_length.mV[i] * 1e-6f; + refr_ind.mV[i] = 6.43e3f + ( 2.95e6f / ( 146.0f - 1.f/wl2 ) ) + ( 2.55e4f / ( 41.0f - 1.f/wl2 ) ); + refr_ind.mV[i] *= 1.0e-8f; + refr_ind.mV[i] += 1.f; + } + return refr_ind; +} + + +class LLHaze +{ +public: + LLHaze() : mG(0), mFalloff(1), mAbsCoef(0.f) {mSigSca.setToBlack();} + LLHaze(const F32 g, const LLColor3& sca, const F32 fo = 2.f) : + mG(g), mSigSca(0.25f/F_PI * sca), mFalloff(fo), mAbsCoef(0.f) + { + mAbsCoef = color_intens(mSigSca) / sAirScaIntense; + } + + LLHaze(const F32 g, const F32 sca, const F32 fo = 2.f) : mG(g), + mSigSca(0.25f/F_PI * LLColor3(sca, sca, sca)), mFalloff(fo) + { + mAbsCoef = 0.01f * sca / sAirScaAvg; + } + +/* Proportion of light that is scattered into 'path' from 'in' over distance dt. */ +/* assumes that vectors 'path' and 'in' are normalized. Scattering coef / 2pi */ + + LL_FORCE_INLINE LLColor3 calcAirSca(const F32 h) + { + return calcFalloff(h) * sAirScaSeaLevel; + } + + LL_FORCE_INLINE void calcAirSca(const F32 h, LLColor3 &result) + { + result = sAirScaSeaLevel; + result *= calcFalloff(h); + } + + F32 getG() const { return mG; } + + void setG(const F32 g) + { + mG = g; + } + + const LLColor3& getSigSca() const // sea level + { + return mSigSca; + } + + void setSigSca(const LLColor3& s) + { + mSigSca = s; + mAbsCoef = 0.01f * color_intens(mSigSca) / sAirScaIntense; + } + + void setSigSca(const F32 s0, const F32 s1, const F32 s2) + { + mSigSca = sAirScaAvg * LLColor3 (s0, s1, s2); + mAbsCoef = 0.01f * (s0 + s1 + s2) / 3; + } + + F32 getFalloff() const + { + return mFalloff; + } + + void setFalloff(const F32 fo) + { + mFalloff = fo; + } + + F32 getAbsCoef() const + { + return mAbsCoef; + } + + inline static F32 calcFalloff(const F32 h) + { + return (h <= 0) ? 1.0f : (F32)LL_FAST_EXP(-ATM_EXP_FALLOFF * h); + } + + inline LLColor3 calcSigSca(const F32 h) const + { + return calcFalloff(h * mFalloff) * mSigSca; + } + + inline void calcSigSca(const F32 h, LLColor3 &result) const + { + result = mSigSca; + result *= calcFalloff(h * mFalloff); + } + + LLColor3 calcSigExt(const F32 h) const + { + return calcFalloff(h * mFalloff) * (1 + mAbsCoef) * mSigSca; + } + + F32 calcPhase(const F32 cos_theta) const; + +private: + static LLColor3 const sAirScaSeaLevel; + static F32 const sAirScaIntense; + static F32 const sAirScaAvg; + +protected: + F32 mG; + LLColor3 mSigSca; + F32 mFalloff; // 1 - slow, >1 - faster + F32 mAbsCoef; +}; + + +class LLCubeMap; + +// turn on floating point precision +// in vs2003 for this class. Otherwise +// black dots go everywhere from 7:10 - 8:50 +#if LL_MSVC && __MSVC_VER__ < 8 +#pragma optimize("p", on) +#endif + +class AtmosphericsVars +{ +public: + AtmosphericsVars() + : hazeColor(0,0,0) + , cloudColorSun(0,0,0) + , cloudColorAmbient(0,0,0) + , cloudDensity(0.0f) + { + horizontalProjection[0] = LLVector2(0,0); + horizontalProjection[1] = LLVector2(0,0); + } + + LLColor3 hazeColor; + LLColor3 cloudColorSun; + LLColor3 cloudColorAmbient; + F32 cloudDensity; + LLVector2 horizontalProjection[2]; +}; + +class LLAtmospherics +{ +public: + LLAtmospherics(); + ~LLAtmospherics(); + + void init(); + void updateFog(const F32 distance, LLVector3& tosun); + + const LLHaze& getHaze() const { return mHaze; } + LLHaze& getHaze() { return mHaze; } + F32 getHazeConcentration() const { return mHazeConcentration; } + void setHaze(const LLHaze& h) { mHaze = h; } + void setFogRatio(const F32 fog_ratio) { mFogRatio = fog_ratio; } + + F32 getFogRatio() const { return mFogRatio; } + LLColor4 getFogColor() const { return mFogColor; } + LLColor4 getGLFogColor() const { return mGLFogCol; } + + void setCloudDensity(F32 cloud_density) { mCloudDensity = cloud_density; } + void setWind ( const LLVector3& wind ) { mWind = wind.length(); } + + LLColor4 calcSkyColorInDir(const LLVector3& dir, bool isShiny = false); + +protected: + + void calcSkyColorWLVert(LLVector3 & Pn, AtmosphericsVars& vars); + LLColor3 calcSkyColorWLFrag(LLVector3 & Pn, AtmosphericsVars& vars); + + LLHaze mHaze; + F32 mHazeConcentration; + F32 mCloudDensity; + F32 mWind; + BOOL mInitialized; + LLVector3 mLastLightingDirection; + LLColor3 mLastTotalAmbient; + F32 mAmbientScale; + LLColor3 mNightColorShift; + F32 mInterpVal; + LLColor4 mFogColor; + LLColor4 mGLFogCol; + F32 mFogRatio; + F32 mWorldScale; + LLFrameTimer mUpdateTimer; +}; + +#endif diff --git a/indra/newview/llsettingsvo.cpp b/indra/newview/llsettingsvo.cpp index 01d7ab3dcf..8cacd6d0f9 100644 --- a/indra/newview/llsettingsvo.cpp +++ b/indra/newview/llsettingsvo.cpp @@ -430,7 +430,6 @@ LLSettingsSky::ptr_t LLSettingsVOSky::buildClone() void LLSettingsVOSky::convertAtmosphericsToLegacy(LLSD& legacy, LLSD& settings) { -// LEGACY_ATMOSPHERICS // These will need to be inferred from new settings' density profiles legacy[SETTING_AMBIENT] = ensureArray4(settings[SETTING_AMBIENT], 1.0f); legacy[SETTING_BLUE_DENSITY] = ensureArray4(settings[SETTING_BLUE_DENSITY], 1.0); @@ -439,14 +438,6 @@ void LLSettingsVOSky::convertAtmosphericsToLegacy(LLSD& legacy, LLSD& settings) legacy[SETTING_DISTANCE_MULTIPLIER] = LLSDArray(settings[SETTING_DISTANCE_MULTIPLIER].asReal())(0.0f)(0.0f)(1.0f); legacy[SETTING_HAZE_DENSITY] = LLSDArray(settings[SETTING_HAZE_DENSITY])(0.0f)(0.0f)(1.0f); legacy[SETTING_HAZE_HORIZON] = LLSDArray(settings[SETTING_HAZE_HORIZON])(0.0f)(0.0f)(1.0f); - - //legacy[SETTING_AMBIENT] = LLColor4::black.getValue(); - //legacy[SETTING_BLUE_DENSITY] = LLColor4(0.2447, 0.4487, 0.7599, 0.0).getValue(); - //legacy[SETTING_BLUE_HORIZON] = LLColor4(0.4954, 0.4954, 0.6399, 0.0).getValue(); - //legacy[SETTING_HAZE_DENSITY] = LLSDArray(0.6999f)(0.0f)(0.0f)(1.0f); - //legacy[SETTING_HAZE_HORIZON] = LLSDArray(0.1899f)(0.0f)(0.0f)(1.0f); - //legacy[SETTING_DENSITY_MULTIPLIER] = LLSDArray(0.0001f)(0.0f)(0.0f)(1.0f);LLSD::Real(0.0001); - //legacy[SETTING_DISTANCE_MULTIPLIER] = LLSDArray(0.8f)(0.0f)(0.0f)(1.0f); } LLSD LLSettingsVOSky::convertToLegacy(const LLSettingsSky::ptr_t &psky, bool isAdvanced) @@ -515,12 +506,12 @@ LLSettingsSky::parammapping_t LLSettingsVOSky::getParameterMap() const if (param_map.empty()) { -// LEGACY_ATMOSPHERICS - param_map[SETTING_AMBIENT] = LLShaderMgr::AMBIENT; param_map[SETTING_BLUE_DENSITY] = LLShaderMgr::BLUE_DENSITY; param_map[SETTING_BLUE_HORIZON] = LLShaderMgr::BLUE_HORIZON; param_map[SETTING_HAZE_DENSITY] = LLShaderMgr::HAZE_DENSITY; param_map[SETTING_HAZE_HORIZON] = LLShaderMgr::HAZE_HORIZON; + + param_map[SETTING_AMBIENT] = LLShaderMgr::AMBIENT; param_map[SETTING_DENSITY_MULTIPLIER] = LLShaderMgr::DENSITY_MULTIPLIER; param_map[SETTING_DISTANCE_MULTIPLIER] = LLShaderMgr::DISTANCE_MULTIPLIER; diff --git a/indra/newview/llsky.cpp b/indra/newview/llsky.cpp index fb3123fd81..15aebda5ad 100644 --- a/indra/newview/llsky.cpp +++ b/indra/newview/llsky.cpp @@ -377,11 +377,11 @@ void LLSky::setSunPhase(const F32 phase) ////////////////////////////////////////////////////////////////////// -LLColor4 LLSky::getFogColor() const +LLColor4 LLSky::getSkyFogColor() const { if (mVOSkyp) { - return mVOSkyp->getFogColor(); + return mVOSkyp->getSkyFogColor(); } return LLColor4(1.f, 1.f, 1.f, 1.f); diff --git a/indra/newview/llsky.h b/indra/newview/llsky.h index 79549948f6..010cc30d55 100644 --- a/indra/newview/llsky.h +++ b/indra/newview/llsky.h @@ -54,7 +54,7 @@ public: void setSunDirection(const LLVector3 &sun_direction, const LLVector3 &moon_direction); - LLColor4 getFogColor() const; + LLColor4 getSkyFogColor() const; void setCloudDensityAtAgent(F32 cloud_density); void setWind(const LLVector3& wind); diff --git a/indra/newview/lltracker.cpp b/indra/newview/lltracker.cpp index 2ec5c41b88..728d0c9417 100644 --- a/indra/newview/lltracker.cpp +++ b/indra/newview/lltracker.cpp @@ -570,8 +570,8 @@ void LLTracker::renderBeacon(LLVector3d pos_global, color_frac = 1.f - 0.6f*(dist/LLViewerCamera::getInstance()->getFar()); } - LLColor4 fogged_color = color_frac * color + (1 - color_frac)*gSky.getFogColor(); - LLColor4 fogged_color_under = color_frac * color_under + (1 - color_frac) * gSky.getFogColor(); + LLColor4 fogged_color = color_frac * color + (1 - color_frac)*gSky.getSkyFogColor(); + LLColor4 fogged_color_under = color_frac * color_under + (1 - color_frac) * gSky.getSkyFogColor(); F32 FADE_DIST = 3.f; fogged_color.mV[3] = llmax(0.2f, llmin(0.5f,(dist-FADE_DIST)/FADE_DIST)); diff --git a/indra/newview/llviewerdisplay.cpp b/indra/newview/llviewerdisplay.cpp index 46a8d75595..950243949f 100644 --- a/indra/newview/llviewerdisplay.cpp +++ b/indra/newview/llviewerdisplay.cpp @@ -920,7 +920,7 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot) gPipeline.mScreen.bindTarget(); if (LLPipeline::sUnderWaterRender && !gPipeline.canUseWindLightShaders()) { - const LLColor4 &col = LLEnvironment::instance().getCurrentWater()->getFogColor(); + const LLColor4 &col = LLEnvironment::instance().getCurrentWater()->getWaterFogColor(); glClearColor(col.mV[0], col.mV[1], col.mV[2], 0.f); } gPipeline.mScreen.clear(); diff --git a/indra/newview/llvoground.cpp b/indra/newview/llvoground.cpp index 71a7623fb4..52a6395618 100644 --- a/indra/newview/llvoground.cpp +++ b/indra/newview/llvoground.cpp @@ -126,7 +126,7 @@ BOOL LLVOGround::updateGeometry(LLDrawable *drawable) left_dir.normVec(); // Our center top point - LLColor4 ground_color = gSky.getFogColor(); + LLColor4 ground_color = gSky.getSkyFogColor(); ground_color.mV[3] = 1.f; face->setFaceColor(ground_color); diff --git a/indra/newview/llvosky.cpp b/indra/newview/llvosky.cpp index 61500aebfe..55307fe1dc 100644 --- a/indra/newview/llvosky.cpp +++ b/indra/newview/llvosky.cpp @@ -75,127 +75,77 @@ static const LLVector2 TEX11 = LLVector2(1.f, 1.f); LLUUID gSunTextureID = IMG_SUN; LLUUID gMoonTextureID = IMG_MOON; -class LLFastLn +F32 clip_side_to_horizon(const LLVector3& V0, const LLVector3& V1, const F32 cos_max_angle) { -public: - LLFastLn() + const LLVector3 V = V1 - V0; + const F32 k2 = 1.f/(cos_max_angle * cos_max_angle) - 1; + const F32 A = V.mV[0] * V.mV[0] + V.mV[1] * V.mV[1] - k2 * V.mV[2] * V.mV[2]; + const F32 B = V0.mV[0] * V.mV[0] + V0.mV[1] * V.mV[1] - k2 * V0.mV[2] * V.mV[2]; + const F32 C = V0.mV[0] * V0.mV[0] + V0.mV[1] * V0.mV[1] - k2 * V0.mV[2] * V0.mV[2]; + + if (fabs(A) < 1e-7) { - mTable[0] = 0; - for( S32 i = 1; i < 257; i++ ) - { - mTable[i] = log((F32)i); - } + return -0.1f; // v0 is cone origin and v1 is on the surface of the cone. } - F32 ln( F32 x ) + const F32 det = sqrt(B*B - A*C); + const F32 t1 = (-B - det) / A; + const F32 t2 = (-B + det) / A; + const F32 z1 = V0.mV[2] + t1 * V.mV[2]; + const F32 z2 = V0.mV[2] + t2 * V.mV[2]; + if (z1 * cos_max_angle < 0) { - const F32 OO_255 = 0.003921568627450980392156862745098f; - const F32 LN_255 = 5.5412635451584261462455391880218f; - - if( x < OO_255 ) - { - return log(x); - } - else - if( x < 1 ) - { - x *= 255.f; - S32 index = llfloor(x); - F32 t = x - index; - F32 low = mTable[index]; - F32 high = mTable[index + 1]; - return low + t * (high - low) - LN_255; - } - else - if( x <= 255 ) - { - S32 index = llfloor(x); - F32 t = x - index; - F32 low = mTable[index]; - F32 high = mTable[index + 1]; - return low + t * (high - low); - } - else - { - return log( x ); - } + return t2; } - - F32 pow( F32 x, F32 y ) + else if (z2 * cos_max_angle < 0) { - return (F32)LL_FAST_EXP(y * ln(x)); + return t1; } - - -private: - F32 mTable[257]; // index 0 is unused -}; - -static LLFastLn gFastLn; - - -// Functions used a lot. - -inline F32 LLHaze::calcPhase(const F32 cos_theta) const -{ - const F32 g2 = mG * mG; - const F32 den = 1 + g2 - 2 * mG * cos_theta; - return (1 - g2) * gFastLn.pow(den, -1.5); -} - -inline void color_pow(LLColor3 &col, const F32 e) -{ - col.mV[0] = gFastLn.pow(col.mV[0], e); - col.mV[1] = gFastLn.pow(col.mV[1], e); - col.mV[2] = gFastLn.pow(col.mV[2], e); -} - -inline LLColor3 color_norm(const LLColor3 &col) -{ - const F32 m = color_max(col); - if (m > 1.f) + else if ((t1 < 0) || (t1 > 1)) { - return 1.f/m * col; + return t2; + } + else + { + return t1; } - else return col; } -inline void color_gamma_correct(LLColor3 &col) +// Clips quads with top and bottom sides parallel to horizon. +BOOL clip_quad_to_horizon(F32& t_left, F32& t_right, LLVector3 v_clipped[4], + const LLVector3 v_corner[4], const F32 cos_max_angle) { - const F32 gamma_inv = 1.f/1.2f; - if (col.mV[0] != 0.f) + t_left = clip_side_to_horizon(v_corner[1], v_corner[0], cos_max_angle); + t_right = clip_side_to_horizon(v_corner[3], v_corner[2], cos_max_angle); + + if ((t_left >= 1) || (t_right >= 1)) { - col.mV[0] = gFastLn.pow(col.mV[0], gamma_inv); + return FALSE; } - if (col.mV[1] != 0.f) + + //const BOOL left_clip = (t_left > 0); + //const BOOL right_clip = (t_right > 0); + + //if (!left_clip && !right_clip) { - col.mV[1] = gFastLn.pow(col.mV[1], gamma_inv); + for (S32 vtx = 0; vtx < 4; ++vtx) + { + v_clipped[vtx] = v_corner[vtx]; + } } - if (col.mV[2] != 0.f) +/* else { - col.mV[2] = gFastLn.pow(col.mV[2], gamma_inv); - } -} + v_clipped[0] = v_corner[0]; + v_clipped[1] = left_clip ? ((1 - t_left) * v_corner[1] + t_left * v_corner[0]) + : v_corner[1]; + v_clipped[2] = v_corner[2]; + v_clipped[3] = right_clip ? ((1 - t_right) * v_corner[3] + t_right * v_corner[2]) + : v_corner[3]; + }*/ -static LLColor3 calc_air_sca_sea_level() -{ - static LLColor3 WAVE_LEN(675, 520, 445); - static LLColor3 refr_ind = refr_ind_calc(WAVE_LEN); - static LLColor3 n21 = refr_ind * refr_ind - LLColor3(1, 1, 1); - static LLColor3 n4 = n21 * n21; - static LLColor3 wl2 = WAVE_LEN * WAVE_LEN * 1e-6f; - static LLColor3 wl4 = wl2 * wl2; - static LLColor3 mult_const = fsigma * 2.0f/ 3.0f * 1e24f * (F_PI * F_PI) * n4; - static F32 dens_div_N = F32( ATM_SEA_LEVEL_NDENS / Ndens2); - return dens_div_N * color_div ( mult_const, wl4 ); + return TRUE; } -// static constants. -LLColor3 const LLHaze::sAirScaSeaLevel = calc_air_sca_sea_level(); -F32 const LLHaze::sAirScaIntense = color_intens(LLHaze::sAirScaSeaLevel); -F32 const LLHaze::sAirScaAvg = LLHaze::sAirScaIntense / 3.f; - - /*************************************** SkyTex ***************************************/ @@ -356,11 +306,7 @@ LLVOSky::LLVOSky(const LLUUID &id, const LLPCode pcode, LLViewerRegion *regionp) initSunDirection(LLVector3(mSunDefaultPosition.mV[2], mSunDefaultPosition.mV[0], mSunDefaultPosition.mV[1]), LLVector3(0, 0, 0)); } - mAmbientScale = gSavedSettings.getF32("SkyAmbientScale"); - mNightColorShift = gSavedSettings.getColor3("SkyNightColorShift"); - mFogColor.mV[VRED] = mFogColor.mV[VGREEN] = mFogColor.mV[VBLUE] = 0.5f; - mFogColor.mV[VALPHA] = 0.0f; - mFogRatio = 1.2f; + mSun.setIntensity(SUN_INTENSITY); mMoon.setIntensity(0.1f * SUN_INTENSITY); @@ -376,8 +322,7 @@ LLVOSky::LLVOSky(const LLUUID &id, const LLPCode pcode, LLViewerRegion *regionp) mHeavenlyBodyUpdated = FALSE ; mDrawRefl = 0; - mHazeConcentration = 0.f; - mInterpVal = 0.f; + mInterpVal = 0.f; } @@ -391,13 +336,8 @@ LLVOSky::~LLVOSky() void LLVOSky::init() { - const F32 haze_int = color_intens(mHaze.calcSigSca(0)); - mHazeConcentration = haze_int / - (color_intens(LLHaze::calcAirSca(0)) + haze_int); - - calcAtmospherics(); + updateDirections(); -// LEGACY_ATMOSPHERICS // Initialize the cached normalized direction vectors for (S32 side = 0; side < 6; ++side) { @@ -468,7 +408,7 @@ void LLVOSky::restoreGL() mBloomTexturep->setNoDelete() ; mBloomTexturep->setAddressMode(LLTexUnit::TAM_CLAMP); - calcAtmospherics(); + updateDirections(); if (gSavedSettings.getBOOL("RenderWater") && gGLManager.mHasCubeMap && LLCubeMap::sUseCubeMaps) @@ -495,7 +435,6 @@ void LLVOSky::restoreGL() } -// LEGACY_ATMOSPHERICS void LLVOSky::initSkyTextureDirs(const S32 side, const S32 tile) { S32 tile_x = tile % NUM_TILES_X; @@ -541,290 +480,13 @@ void LLVOSky::createSkyTexture(const S32 side, const S32 tile) { for (x = tile_x_pos; x < (tile_x_pos + sTileResX); ++x) { - mSkyTex[side].setPixel(calcSkyColorInDir(mSkyTex[side].getDir(x, y)), x, y); - mShinyTex[side].setPixel(calcSkyColorInDir(mSkyTex[side].getDir(x, y), true), x, y); + mSkyTex[side].setPixel(m_legacyAtmospherics.calcSkyColorInDir(mSkyTex[side].getDir(x, y)), x, y); + mShinyTex[side].setPixel(m_legacyAtmospherics.calcSkyColorInDir(mSkyTex[side].getDir(x, y), true), x, y); } } } -LLColor4 LLVOSky::calcSkyColorInDir(const LLVector3 &dir, bool isShiny) -{ - F32 saturation = 0.3f; - if (dir.mV[VZ] < -0.02f) - { - LLColor4 col = LLColor4(llmax(mFogColor[0],0.2f), llmax(mFogColor[1],0.2f), llmax(mFogColor[2],0.22f),0.f); - if (isShiny) - { - LLColor3 desat_fog = LLColor3(mFogColor); - F32 brightness = desat_fog.brightness(); - // So that shiny somewhat shows up at night. - if (brightness < 0.15f) - { - brightness = 0.15f; - desat_fog = smear(0.15f); - } - LLColor3 greyscale = smear(brightness); - desat_fog = desat_fog * saturation + greyscale * (1.0f - saturation); - if (!gPipeline.canUseWindLightShaders()) - { - col = LLColor4(desat_fog, 0.f); - } - else - { - col = LLColor4(desat_fog * 0.5f, 0.f); - } - } - float x = 1.0f-fabsf(-0.1f-dir.mV[VZ]); - x *= x; - col.mV[0] *= x*x; - col.mV[1] *= powf(x, 2.5f); - col.mV[2] *= x*x*x; - return col; - } - - // undo OGL_TO_CFR_ROTATION and negate vertical direction. - LLVector3 Pn = LLVector3(-dir[1] , -dir[2], -dir[0]); - - LLColor3 vary_HazeColor(0,0,0); - LLColor3 vary_CloudColorSun(0,0,0); - LLColor3 vary_CloudColorAmbient(0,0,0); - F32 vary_CloudDensity(0); - LLVector2 vary_HorizontalProjection[2]; - vary_HorizontalProjection[0] = LLVector2(0,0); - vary_HorizontalProjection[1] = LLVector2(0,0); - - calcSkyColorWLVert(Pn, vary_HazeColor, vary_CloudColorSun, vary_CloudColorAmbient, - vary_CloudDensity, vary_HorizontalProjection); - - LLColor3 sky_color = calcSkyColorWLFrag(Pn, vary_HazeColor, vary_CloudColorSun, vary_CloudColorAmbient, - vary_CloudDensity, vary_HorizontalProjection); - if (isShiny) - { - F32 brightness = sky_color.brightness(); - LLColor3 greyscale = smear(brightness); - sky_color = sky_color * saturation + greyscale * (1.0f - saturation); - sky_color *= (0.5f + 0.5f * brightness); - } - return LLColor4(sky_color, 0.0f); -} - -// turn on floating point precision -// in vs2003 for this function. Otherwise -// sky is aliased looking 7:10 - 8:50 -#if LL_MSVC && __MSVC_VER__ < 8 -#pragma optimize("p", on) -#endif - -void LLVOSky::calcSkyColorWLVert(LLVector3 & Pn, LLColor3 & vary_HazeColor, LLColor3 & vary_CloudColorSun, - LLColor3 & vary_CloudColorAmbient, F32 & vary_CloudDensity, - LLVector2 vary_HorizontalProjection[2]) -{ - LLSettingsSky::ptr_t psky = LLEnvironment::instance().getCurrentSky(); - - LLColor3 blue_density = psky->getBlueDensity(); - F32 max_y = psky->getMaxY(); - LLVector3 lightnorm = psky->getLightNormal(); - - // project the direction ray onto the sky dome. - F32 phi = acos(Pn[1]); - F32 sinA = sin(F_PI - phi); - if (fabsf(sinA) < 0.01f) - { //avoid division by zero - sinA = 0.01f; - } - - F32 Plen = psky->getDomeRadius() * sin(F_PI + phi + asin(psky->getDomeOffset() * sinA)) / sinA; - - Pn *= Plen; - - vary_HorizontalProjection[0] = LLVector2(Pn[0], Pn[2]); - vary_HorizontalProjection[0] /= - 2.f * Plen; - - // Set altitude - if (Pn[1] > 0.f) - { - Pn *= (max_y / Pn[1]); - } - else - { - Pn *= (-32000.f / Pn[1]); - } - - Plen = Pn.length(); - Pn /= Plen; - - // Initialize temp variables - LLColor3 sunlight = psky->getSunlightColor(); - LLColor3 ambient = psky->getAmbientColor(); - LLColor3 blue_horizon = psky->getBlueHorizon(); - F32 haze_density = psky->getHazeDensity(); - F32 haze_horizon = psky->getHazeHorizon(); - F32 density_multiplier = psky->getDensityMultiplier(); - LLColor3 glow = psky->getGlow(); - F32 cloud_shadow = psky->getCloudShadow(); - - // 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) - temp2.mV[1] = llmax(F_APPROXIMATELY_ZERO, llmax(0.f, Pn[1]) * 1.0f + lightnorm[1] ); - - temp2.mV[1] = 1.f / temp2.mV[1]; - componentMultBy(sunlight, componentExp((light_atten * -1.f) * temp2.mV[1])); - - // Distance - temp2.mV[2] = Plen * density_multiplier; - - // Transparency (-> temp1) - temp1 = componentExp((temp1 * -1.f) * temp2.mV[2]); - - - // Compute haze glow - temp2.mV[0] = Pn * lightnorm; - - temp2.mV[0] = 1.f - temp2.mV[0]; - // temp2.x is 0 at the sun and increases away from sun - temp2.mV[0] = llmax(temp2.mV[0], .001f); - // Set a minimum "angle" (smaller glow.y allows tighter, brighter hotspot) - temp2.mV[0] *= glow.mV[0]; - // Higher glow.x gives dimmer glow (because next step is 1 / "angle") - temp2.mV[0] = pow(temp2.mV[0], glow.mV[2]); - // glow.z should be negative, so we're doing a sort of (1 / "angle") function - - // Add "minimum anti-solar illumination" - temp2.mV[0] += .25f; - - - // Haze color above cloud - vary_HazeColor = (blue_horizon * blue_weight * (sunlight + ambient) + componentMult(haze_horizon * haze_weight, sunlight * temp2.mV[0] + ambient)); - - // Increase ambient when there are more clouds - LLColor3 tmpAmbient = ambient + (LLColor3::white - ambient) * cloud_shadow * 0.5f; - - // Dim sunlight by cloud shadow percentage - sunlight *= (1.f - cloud_shadow); - - // Haze color below cloud - LLColor3 additiveColorBelowCloud = (blue_horizon * blue_weight * (sunlight + tmpAmbient) + componentMult(haze_horizon * haze_weight, sunlight * temp2.mV[0] + tmpAmbient)); - - // Final atmosphere additive - componentMultBy(vary_HazeColor, LLColor3::white - temp1); - - sunlight = psky->getSunlightColor(); - temp2.mV[1] = llmax(0.f, lightnorm[1] * 2.f); - temp2.mV[1] = 1.f / temp2.mV[1]; - componentMultBy(sunlight, componentExp((light_atten * -1.f) * temp2.mV[1])); - - // Attenuate cloud color by atmosphere - temp1 = componentSqrt(temp1); //less atmos opacity (more transparency) below clouds - - // At horizon, blend high altitude sky color towards the darker color below the clouds - vary_HazeColor += componentMult(additiveColorBelowCloud - vary_HazeColor, LLColor3::white - componentSqrt(temp1)); - - if (Pn[1] < 0.f) - { - // Eric's original: - // LLColor3 dark_brown(0.143f, 0.129f, 0.114f); - LLColor3 dark_brown(0.082f, 0.076f, 0.066f); - LLColor3 brown(0.430f, 0.386f, 0.322f); - LLColor3 sky_lighting = sunlight + ambient; - F32 haze_brightness = vary_HazeColor.brightness(); - - if (Pn[1] < -0.05f) - { - vary_HazeColor = colorMix(dark_brown, brown, -Pn[1] * 0.9f) * sky_lighting * haze_brightness; - } - - if (Pn[1] > -0.1f) - { - vary_HazeColor = colorMix(LLColor3::white * haze_brightness, vary_HazeColor, fabs((Pn[1] + 0.05f) * -20.f)); - } - } -} - -#if LL_MSVC && __MSVC_VER__ < 8 -#pragma optimize("p", off) -#endif - -LLColor3 LLVOSky::calcSkyColorWLFrag(LLVector3 & Pn, LLColor3 & vary_HazeColor, LLColor3 & vary_CloudColorSun, - LLColor3 & vary_CloudColorAmbient, F32 & vary_CloudDensity, - LLVector2 vary_HorizontalProjection[2]) -{ - LLSettingsSky::ptr_t psky = LLEnvironment::instance().getCurrentSky(); - F32 gamma = psky->getGamma(); - - LLColor3 res; - LLColor3 color0 = vary_HazeColor; - - if (!gPipeline.canUseWindLightShaders()) - { - LLColor3 color1 = color0 * 2.0f; - color1 = smear(1.f) - componentSaturate(color1); - componentPow(color1, gamma); - res = smear(1.f) - color1; - } - else - { - res = color0; - } - -# ifndef LL_RELEASE_FOR_DOWNLOAD - - LLColor3 color2 = 2.f * color0; - - LLColor3 color3 = LLColor3(1.f, 1.f, 1.f) - componentSaturate(color2); - componentPow(color3, gamma); - color3 = LLColor3(1.f, 1.f, 1.f) - color3; - - static enum { - OUT_DEFAULT = 0, - OUT_SKY_BLUE = 1, - OUT_RED = 2, - OUT_PN = 3, - OUT_HAZE = 4, - } debugOut = OUT_DEFAULT; - - switch(debugOut) - { - case OUT_DEFAULT: - break; - case OUT_SKY_BLUE: - res = LLColor3(0.4f, 0.4f, 0.9f); - break; - case OUT_RED: - res = LLColor3(1.f, 0.f, 0.f); - break; - case OUT_PN: - res = LLColor3(Pn[0], Pn[1], Pn[2]); - break; - case OUT_HAZE: - res = vary_HazeColor; - break; - } -# endif // LL_RELEASE_FOR_DOWNLOAD - return res; -} - - -LLColor3 LLVOSky::createDiffuseFromWL(LLColor3 diffuse, LLColor3 ambient, LLColor3 sundiffuse, LLColor3 sunambient) -{ - return componentMult(diffuse, sundiffuse) * 4.0f + - componentMult(ambient, sundiffuse) * 2.0f + sunambient; -} - -LLColor3 LLVOSky::createAmbientFromWL(LLColor3 ambient, LLColor3 sundiffuse, LLColor3 sunambient) -{ - return (componentMult(ambient, sundiffuse) + sunambient) * 0.8f; -} - -void LLVOSky::calcAtmospherics(void) +void LLVOSky::updateDirections(void) { LLSettingsSky::ptr_t psky = LLEnvironment::instance().getCurrentSky(); @@ -846,7 +508,6 @@ void LLVOSky::calcAtmospherics(void) // between sunlight and point lights in windlight to normalize point lights. F32 sun_dynamic_range = llmax(gSavedSettings.getF32("RenderSunDynamicRange"), 0.0001f); LLEnvironment::instance().setSceneLightStrength(2.0f * (1.0f + sun_dynamic_range * dp)); - } void LLVOSky::idleUpdate(LLAgent &agent, const F64 &time) @@ -874,12 +535,11 @@ BOOL LLVOSky::updateSky() return TRUE; } -// LEGACY_ATMOSPHERICS static S32 next_frame = 0; const S32 total_no_tiles = 6 * NUM_TILES; const S32 cycle_frame_no = total_no_tiles + 1; - if (mUpdateTimer.getElapsedTimeF32() > 0.001f) + if (mUpdateTimer.getElapsedTimeF32() > 0.025f) { mUpdateTimer.reset(); const S32 frame = next_frame; @@ -891,7 +551,7 @@ BOOL LLVOSky::updateSky() // sInterpVal = (F32)next_frame / cycle_frame_no; LLSkyTex::setInterpVal( mInterpVal ); LLHeavenBody::setInterpVal( mInterpVal ); - calcAtmospherics(); + updateDirections(); if (mForceUpdate || total_no_tiles == frame) { @@ -933,8 +593,6 @@ BOOL LLVOSky::updateSky() } } - calcAtmospherics(); - for (int side = 0; side < 6; side++) { LLImageRaw* raw1 = mSkyTex[side].getImageRaw(TRUE); @@ -948,45 +606,33 @@ BOOL LLVOSky::updateSky() mShinyTex[side].createGLImage(mShinyTex[side].getWhich(FALSE)); } next_frame = 0; - } - } - } - - /// *TODO really, sky texture and env map should be shared on a single texture - /// I'll let Brad take this at some point - // update the sky texture - for (S32 i = 0; i < 6; ++i) - { - mSkyTex[i].create(1.0f); - mShinyTex[i].create(1.0f); - } - - // update the environment map - if (mCubeMap) - { - std::vector<LLPointer<LLImageRaw> > images; - images.reserve(6); - for (S32 side = 0; side < 6; side++) - { - images.push_back(mShinyTex[side].getImageRaw(TRUE)); + // update the sky texture + for (S32 i = 0; i < 6; ++i) + { + mSkyTex[i].create(1.0f); + mShinyTex[i].create(1.0f); + } + + // update the environment map + if (mCubeMap) + { + std::vector<LLPointer<LLImageRaw> > images; + images.reserve(6); + for (S32 side = 0; side < 6; side++) + { + images.push_back(mShinyTex[side].getImageRaw(TRUE)); + } + mCubeMap->init(images); + gGL.getTexUnit(0)->disable(); + } + } } - mCubeMap->init(images); - gGL.getTexUnit(0)->disable(); } gPipeline.markRebuild(gSky.mVOGroundp->mDrawable, LLDrawable::REBUILD_ALL, TRUE); - // *TODO: decide whether we need to update the stars vertex buffer in LLVOWLSky -Brad. - //gPipeline.markRebuild(gSky.mVOWLSkyp->mDrawable, LLDrawable::REBUILD_ALL, TRUE); - mForceUpdate = FALSE; } - else - { - const S32 side = frame / NUM_TILES; - const S32 tile = frame % NUM_TILES; - createSkyTexture(side, tile); - } } if (mDrawable.notNull() && mDrawable->getFace(0) && !mDrawable->getFace(0)->getVertexBuffer()) @@ -1028,53 +674,6 @@ LLDrawable *LLVOSky::createDrawable(LLPipeline *pipeline) return mDrawable; } -//by bao -//fake vertex buffer updating -//to guarantee at least updating one VBO buffer every frame -//to walk around the bug caused by ATI card --> DEV-3855 -// -void LLVOSky::createDummyVertexBuffer() -{ - if(!mFace[FACE_DUMMY]) - { - LLDrawPoolSky *poolp = (LLDrawPoolSky*) gPipeline.getPool(LLDrawPool::POOL_SKY); - mFace[FACE_DUMMY] = mDrawable->addFace(poolp, NULL); - } - - if(!mFace[FACE_DUMMY]->getVertexBuffer()) - { - LLVertexBuffer* buff = new LLVertexBuffer(LLDrawPoolSky::VERTEX_DATA_MASK, GL_DYNAMIC_DRAW_ARB); - buff->allocateBuffer(1, 1, TRUE); - mFace[FACE_DUMMY]->setVertexBuffer(buff); - } -} - -static LLTrace::BlockTimerStatHandle FTM_RENDER_FAKE_VBO_UPDATE("Fake VBO Update"); - -void LLVOSky::updateDummyVertexBuffer() -{ - if(!LLVertexBuffer::sEnableVBOs) - return ; - - if(mHeavenlyBodyUpdated) - { - mHeavenlyBodyUpdated = FALSE ; - return ; - } - - LL_RECORD_BLOCK_TIME(FTM_RENDER_FAKE_VBO_UPDATE) ; - - if(!mFace[FACE_DUMMY] || !mFace[FACE_DUMMY]->getVertexBuffer()) - createDummyVertexBuffer() ; - - LLStrider<LLVector3> vertices ; - mFace[FACE_DUMMY]->getVertexBuffer()->getVertexStrider(vertices, 0); - *vertices = mCameraPosAgent ; - mFace[FACE_DUMMY]->getVertexBuffer()->flush(); -} -//---------------------------------- -//end of fake vertex buffer updating -//---------------------------------- static LLTrace::BlockTimerStatHandle FTM_GEO_SKY("Sky Geometry"); BOOL LLVOSky::updateGeometry(LLDrawable *drawable) @@ -1344,83 +943,6 @@ BOOL LLVOSky::updateHeavenlyBodyGeometry(LLDrawable *drawable, const S32 f, cons return TRUE; } - - - -// Clips quads with top and bottom sides parallel to horizon. - -BOOL clip_quad_to_horizon(F32& t_left, F32& t_right, LLVector3 v_clipped[4], - const LLVector3 v_corner[4], const F32 cos_max_angle) -{ - t_left = clip_side_to_horizon(v_corner[1], v_corner[0], cos_max_angle); - t_right = clip_side_to_horizon(v_corner[3], v_corner[2], cos_max_angle); - - if ((t_left >= 1) || (t_right >= 1)) - { - return FALSE; - } - - //const BOOL left_clip = (t_left > 0); - //const BOOL right_clip = (t_right > 0); - - //if (!left_clip && !right_clip) - { - for (S32 vtx = 0; vtx < 4; ++vtx) - { - v_clipped[vtx] = v_corner[vtx]; - } - } -/* else - { - v_clipped[0] = v_corner[0]; - v_clipped[1] = left_clip ? ((1 - t_left) * v_corner[1] + t_left * v_corner[0]) - : v_corner[1]; - v_clipped[2] = v_corner[2]; - v_clipped[3] = right_clip ? ((1 - t_right) * v_corner[3] + t_right * v_corner[2]) - : v_corner[3]; - }*/ - - return TRUE; -} - - -F32 clip_side_to_horizon(const LLVector3& V0, const LLVector3& V1, const F32 cos_max_angle) -{ - const LLVector3 V = V1 - V0; - const F32 k2 = 1.f/(cos_max_angle * cos_max_angle) - 1; - const F32 A = V.mV[0] * V.mV[0] + V.mV[1] * V.mV[1] - k2 * V.mV[2] * V.mV[2]; - const F32 B = V0.mV[0] * V.mV[0] + V0.mV[1] * V.mV[1] - k2 * V0.mV[2] * V.mV[2]; - const F32 C = V0.mV[0] * V0.mV[0] + V0.mV[1] * V0.mV[1] - k2 * V0.mV[2] * V0.mV[2]; - - if (fabs(A) < 1e-7) - { - return -0.1f; // v0 is cone origin and v1 is on the surface of the cone. - } - - const F32 det = sqrt(B*B - A*C); - const F32 t1 = (-B - det) / A; - const F32 t2 = (-B + det) / A; - const F32 z1 = V0.mV[2] + t1 * V.mV[2]; - const F32 z2 = V0.mV[2] + t2 * V.mV[2]; - if (z1 * cos_max_angle < 0) - { - return t2; - } - else if (z2 * cos_max_angle < 0) - { - return t1; - } - else if ((t1 < 0) || (t1 > 1)) - { - return t2; - } - else - { - return t1; - } -} - - void LLVOSky::updateSunHaloGeometry(LLDrawable *drawable ) { #if 0 @@ -1732,7 +1254,7 @@ void LLVOSky::updateReflectionGeometry(LLDrawable *drawable, F32 H, const F32 attenuation = min_attenuation + cos_angle_of_view * (max_attenuation - min_attenuation); - LLColor4 hb_refl_col = (1 - attenuation) * hb_col + attenuation * mFogColor; + LLColor4 hb_refl_col = (1 - attenuation) * hb_col + attenuation * getSkyFogColor(); face->setFaceColor(hb_refl_col); LLVector3 v_far[2]; @@ -1850,208 +1372,10 @@ void LLVOSky::updateReflectionGeometry(LLDrawable *drawable, F32 H, } } - - - void LLVOSky::updateFog(const F32 distance) { - -// LEGACY_ATMOSPHERICS - if (!gPipeline.hasRenderDebugFeatureMask(LLPipeline::RENDER_DEBUG_FEATURE_FOG)) - { - if (!LLGLSLShader::sNoFixedFunction) - { - glFogf(GL_FOG_DENSITY, 0); - glFogfv(GL_FOG_COLOR, (F32 *) &LLColor4::white.mV); - glFogf(GL_FOG_END, 1000000.f); - } - return; - } - - const BOOL hide_clip_plane = TRUE; - LLColor4 target_fog(0.f, 0.2f, 0.5f, 0.f); - - const F32 water_height = gAgent.getRegion() ? gAgent.getRegion()->getWaterHeight() : 0.f; - // LLWorld::getInstance()->getWaterHeight(); - F32 camera_height = gAgentCamera.getCameraPositionAgent().mV[2]; - - F32 near_clip_height = LLViewerCamera::getInstance()->getAtAxis().mV[VZ] * LLViewerCamera::getInstance()->getNear(); - camera_height += near_clip_height; - - F32 fog_distance = 0.f; - LLColor3 res_color[3]; - - LLColor3 sky_fog_color = LLColor3::white; - LLColor3 render_fog_color = LLColor3::white; - - LLVector3 tosun = getToSunLast(); - const F32 tosun_z = tosun.mV[VZ]; - tosun.mV[VZ] = 0.f; - tosun.normalize(); - LLVector3 perp_tosun; - perp_tosun.mV[VX] = -tosun.mV[VY]; - perp_tosun.mV[VY] = tosun.mV[VX]; - LLVector3 tosun_45 = tosun + perp_tosun; - tosun_45.normalize(); - - F32 delta = 0.06f; - tosun.mV[VZ] = delta; - perp_tosun.mV[VZ] = delta; - tosun_45.mV[VZ] = delta; - tosun.normalize(); - perp_tosun.normalize(); - tosun_45.normalize(); - - // Sky colors, just slightly above the horizon in the direction of the sun, perpendicular to the sun, and at a 45 degree angle to the sun. - res_color[0] = calcSkyColorInDir(tosun); - res_color[1] = calcSkyColorInDir(perp_tosun); - res_color[2] = calcSkyColorInDir(tosun_45); - - sky_fog_color = color_norm(res_color[0] + res_color[1] + res_color[2]); - - F32 full_off = -0.25f; - F32 full_on = 0.00f; - F32 on = (tosun_z - full_off) / (full_on - full_off); - on = llclamp(on, 0.01f, 1.f); - sky_fog_color *= 0.5f * on; - - - // We need to clamp these to non-zero, in order for the gamma correction to work. 0^y = ??? - S32 i; - for (i = 0; i < 3; i++) - { - sky_fog_color.mV[i] = llmax(0.0001f, sky_fog_color.mV[i]); - } - - color_gamma_correct(sky_fog_color); - - render_fog_color = sky_fog_color; - - F32 fog_density = 0.f; - fog_distance = mFogRatio * distance; - - if (camera_height > water_height) - { - LLColor4 fog(render_fog_color); - if (!LLGLSLShader::sNoFixedFunction) - { - glFogfv(GL_FOG_COLOR, fog.mV); - } - mGLFogCol = fog; - - if (hide_clip_plane) - { - // For now, set the density to extend to the cull distance. - const F32 f_log = 2.14596602628934723963618357029f; // sqrt(fabs(log(0.01f))) - fog_density = f_log/fog_distance; - if (!LLGLSLShader::sNoFixedFunction) - { - glFogi(GL_FOG_MODE, GL_EXP2); - } - } - else - { - const F32 f_log = 4.6051701859880913680359829093687f; // fabs(log(0.01f)) - fog_density = (f_log)/fog_distance; - if (!LLGLSLShader::sNoFixedFunction) - { - glFogi(GL_FOG_MODE, GL_EXP); - } - } - } - else - { - LLSettingsWater::ptr_t pwater = LLEnvironment::instance().getCurrentWater(); - F32 depth = water_height - camera_height; - - // get the water param manager variables - float water_fog_density = pwater->getFogDensity(); - LLColor4 water_fog_color(pwater->getFogColor()); - - // adjust the color based on depth. We're doing linear approximations - float depth_scale = gSavedSettings.getF32("WaterGLFogDepthScale"); - float depth_modifier = 1.0f - llmin(llmax(depth / depth_scale, 0.01f), - gSavedSettings.getF32("WaterGLFogDepthFloor")); - - LLColor4 fogCol = water_fog_color * depth_modifier; - fogCol.setAlpha(1); - - // set the gl fog color - mGLFogCol = fogCol; - - // set the density based on what the shaders use - fog_density = water_fog_density * gSavedSettings.getF32("WaterGLFogDensityScale"); - - if (!LLGLSLShader::sNoFixedFunction) - { - glFogfv(GL_FOG_COLOR, (F32 *) &fogCol.mV); - glFogi(GL_FOG_MODE, GL_EXP2); - } - } - - mFogColor = sky_fog_color; - mFogColor.setAlpha(1); - LLDrawPoolWater::sWaterFogEnd = fog_distance*2.2f; - - if (!LLGLSLShader::sNoFixedFunction) - { - LLGLSFog gls_fog; - glFogf(GL_FOG_END, fog_distance*2.2f); - glFogf(GL_FOG_DENSITY, fog_density); - glHint(GL_FOG_HINT, GL_NICEST); - } - stop_glerror(); -} - - -// Functions used a lot. -F32 color_norm_pow(LLColor3& col, F32 e, BOOL postmultiply) -{ - F32 mv = color_max(col); - if (0 == mv) - { - return 0; - } - - col *= 1.f / mv; - color_pow(col, e); - if (postmultiply) - { - col *= mv; - } - return mv; -} - -// Returns angle (RADIANs) between the horizontal projection of "v" and the x_axis. -// Range of output is 0.0f to 2pi //359.99999...f -// Returns 0.0f when "v" = +/- z_axis. -F32 azimuth(const LLVector3 &v) -{ - F32 azimuth = 0.0f; - if (v.mV[VX] == 0.0f) - { - if (v.mV[VY] > 0.0f) - { - azimuth = F_PI * 0.5f; - } - else if (v.mV[VY] < 0.0f) - { - azimuth = F_PI * 1.5f;// 270.f; - } - } - else - { - azimuth = (F32) atan(v.mV[VY] / v.mV[VX]); - if (v.mV[VX] < 0.0f) - { - azimuth += F_PI; - } - else if (v.mV[VY] < 0.0f) - { - azimuth += F_PI * 2; - } - } - return azimuth; + LLVector3 toSun = getToSunLast(); + m_legacyAtmospherics.updateFog(distance, toSun); } void LLVOSky::initSunDirection(const LLVector3 &sun_dir, const LLVector3 &sun_ang_velocity) @@ -2065,7 +1389,7 @@ void LLVOSky::initSunDirection(const LLVector3 &sun_dir, const LLVector3 &sun_an mMoon.renewDirection(); mLastLightingDirection = mSun.getDirection(); - calcAtmospherics(); + updateDirections(); if ( !mInitialized ) { @@ -2099,7 +1423,8 @@ void LLVOSky::setSunDirection(const LLVector3 &sun_dir, const LLVector3 &moon_di mSun.setDirection(sun_direction); mMoon.setDirection(moon_dir); - calcAtmospherics(); + updateDirections(); + if (dp < 0.995f) { //the sun jumped a great deal, update immediately mForceUpdate = TRUE; } diff --git a/indra/newview/llvosky.h b/indra/newview/llvosky.h index 2c253aed51..e93ff51a66 100644 --- a/indra/newview/llvosky.h +++ b/indra/newview/llvosky.h @@ -35,36 +35,12 @@ #include "llframetimer.h" #include "v3colorutil.h" #include "llsettingssky.h" +#include "lllegacyatmospherics.h" -////////////////////////////////// -// -// Lots of constants -// -// Will clean these up at some point... -// - -const F32 HORIZON_DIST = 1024.0f; const F32 SKY_BOX_MULT = 16.0f; -const F32 HEAVENLY_BODY_DIST = HORIZON_DIST - 10.f; +const F32 HEAVENLY_BODY_DIST = HORIZON_DIST - 10.f; const F32 HEAVENLY_BODY_FACTOR = 0.1f; const F32 HEAVENLY_BODY_SCALE = HEAVENLY_BODY_DIST * HEAVENLY_BODY_FACTOR; -const F32 EARTH_RADIUS = 6.4e6f; // exact radius = 6.37 x 10^6 m -const F32 ATM_EXP_FALLOFF = 0.000126f; -const F32 ATM_SEA_LEVEL_NDENS = 2.55e25f; -// Somewhat arbitrary: -const F32 ATM_HEIGHT = 100000.f; - -const F32 FIRST_STEP = 5000.f; -const F32 INV_FIRST_STEP = 1.f/FIRST_STEP; -const S32 NO_STEPS = 15; -const F32 INV_NO_STEPS = 1.f/NO_STEPS; - - -// constants used in calculation of scattering coeff of clear air -const F32 sigma = 0.035f; -const F32 fsigma = (6.f + 3.f * sigma) / (6.f-7.f*sigma); -const F64 Ndens = 2.55e25; -const F64 Ndens2 = Ndens*Ndens; // HACK: Allow server to change sun and moon IDs. // I can't figure out how to pass the appropriate @@ -72,25 +48,9 @@ const F64 Ndens2 = Ndens*Ndens; extern LLUUID gSunTextureID; extern LLUUID gMoonTextureID; - -LL_FORCE_INLINE LLColor3 color_div(const LLColor3 &col1, const LLColor3 &col2) -{ - return LLColor3( - col1.mV[0] / col2.mV[0], - col1.mV[1] / col2.mV[1], - col1.mV[2] / col2.mV[2] ); -} - -LLColor3 color_norm(const LLColor3 &col); -BOOL clip_quad_to_horizon(F32& t_left, F32& t_right, LLVector3 v_clipped[4], - const LLVector3 v_corner[4], const F32 cos_max_angle); -F32 clip_side_to_horizon(const LLVector3& v0, const LLVector3& v1, const F32 cos_max_angle); - - class LLFace; class LLHaze; - class LLSkyTex { friend class LLVOSky; @@ -258,115 +218,6 @@ public: void setV(const LLVector3& v) { mV = v; } }; - -LL_FORCE_INLINE LLColor3 refr_ind_calc(const LLColor3 &wave_length) -{ - LLColor3 refr_ind; - for (S32 i = 0; i < 3; ++i) - { - const F32 wl2 = wave_length.mV[i] * wave_length.mV[i] * 1e-6f; - refr_ind.mV[i] = 6.43e3f + ( 2.95e6f / ( 146.0f - 1.f/wl2 ) ) + ( 2.55e4f / ( 41.0f - 1.f/wl2 ) ); - refr_ind.mV[i] *= 1.0e-8f; - refr_ind.mV[i] += 1.f; - } - return refr_ind; -} - - -class LLHaze -{ -public: - LLHaze() : mG(0), mFalloff(1), mAbsCoef(0.f) {mSigSca.setToBlack();} - LLHaze(const F32 g, const LLColor3& sca, const F32 fo = 2.f) : - mG(g), mSigSca(0.25f/F_PI * sca), mFalloff(fo), mAbsCoef(0.f) - { - mAbsCoef = color_intens(mSigSca) / sAirScaIntense; - } - - LLHaze(const F32 g, const F32 sca, const F32 fo = 2.f) : mG(g), - mSigSca(0.25f/F_PI * LLColor3(sca, sca, sca)), mFalloff(fo) - { - mAbsCoef = 0.01f * sca / sAirScaAvg; - } - - F32 getG() const { return mG; } - - void setG(const F32 g) - { - mG = g; - } - - const LLColor3& getSigSca() const // sea level - { - return mSigSca; - } - - void setSigSca(const LLColor3& s) - { - mSigSca = s; - mAbsCoef = 0.01f * color_intens(mSigSca) / sAirScaIntense; - } - - void setSigSca(const F32 s0, const F32 s1, const F32 s2) - { - mSigSca = sAirScaAvg * LLColor3 (s0, s1, s2); - mAbsCoef = 0.01f * (s0 + s1 + s2) / 3; - } - - F32 getFalloff() const - { - return mFalloff; - } - - void setFalloff(const F32 fo) - { - mFalloff = fo; - } - - F32 getAbsCoef() const - { - return mAbsCoef; - } - - inline static F32 calcFalloff(const F32 h) - { - return (h <= 0) ? 1.0f : (F32)LL_FAST_EXP(-ATM_EXP_FALLOFF * h); - } - - inline LLColor3 calcSigSca(const F32 h) const - { - return calcFalloff(h * mFalloff) * mSigSca; - } - - inline void calcSigSca(const F32 h, LLColor3 &result) const - { - result = mSigSca; - result *= calcFalloff(h * mFalloff); - } - - LLColor3 calcSigExt(const F32 h) const - { - return calcFalloff(h * mFalloff) * (1 + mAbsCoef) * mSigSca; - } - - F32 calcPhase(const F32 cos_theta) const; - - static inline LLColor3 calcAirSca(const F32 h); - static inline void calcAirSca(const F32 h, LLColor3 &result); - -private: - static LLColor3 const sAirScaSeaLevel; - static F32 const sAirScaIntense; - static F32 const sAirScaAvg; - -protected: - F32 mG; - LLColor3 mSigSca; - F32 mFalloff; // 1 - slow, >1 - faster - F32 mAbsCoef; -}; - - class LLCubeMap; // turn on floating point precision @@ -379,31 +230,7 @@ class LLCubeMap; class LLVOSky : public LLStaticViewerObject { - -public: - void calcAtmospherics(void); - -// LEGACY_ATMOSPHERICS - LLColor3 createDiffuseFromWL(LLColor3 diffuse, LLColor3 ambient, LLColor3 sundiffuse, LLColor3 sunambient); - LLColor3 createAmbientFromWL(LLColor3 ambient, LLColor3 sundiffuse, LLColor3 sunambient); - - void calcSkyColorWLVert(LLVector3 & Pn, LLColor3 & vary_HazeColor, LLColor3 & vary_CloudColorSun, - LLColor3 & vary_CloudColorAmbient, F32 & vary_CloudDensity, - LLVector2 vary_HorizontalProjection[2]); - - LLColor3 calcSkyColorWLFrag(LLVector3 & Pn, LLColor3 & vary_HazeColor, LLColor3 & vary_CloudColorSun, - LLColor3 & vary_CloudColorAmbient, F32 & vary_CloudDensity, - LLVector2 vary_HorizontalProjection[2]); - LLColor4 calcSkyColorInDir(const LLVector3& dir, bool isShiny = false); - - LLColor3 calcRadianceAtPoint(const LLVector3& pos) const - { - F32 radiance = mBrightnessScaleGuess * mSun.getIntensity(); - return LLColor3(radiance, radiance, radiance); - } - void initSkyTextureDirs(const S32 side, const S32 tile); - void createSkyTexture(const S32 side, const S32 tile); - +public: enum { FACE_SIDE0, @@ -416,7 +243,6 @@ public: FACE_MOON, // was 7 FACE_BLOOM, // was 8 FACE_REFLECTION, // was 10 - FACE_DUMMY, //for an ATI bug --bao FACE_COUNT }; @@ -453,8 +279,6 @@ public: LLColor4 getSunAmbientColor() const; LLColor4 getMoonAmbientColor() const; LLColor4 getTotalAmbientColor() const; - LLColor4 getFogColor() const { return mFogColor; } - LLColor4 getGLFogColor() const { return mGLFogCol; } BOOL isSameFace(S32 idx, const LLFace* face) const { return mFace[idx] == face; } @@ -476,16 +300,18 @@ public: void updateReflectionGeometry(LLDrawable *drawable, F32 H, const LLHeavenBody& HB); - const LLHaze& getHaze() const { return mHaze; } - LLHaze& getHaze() { return mHaze; } - F32 getHazeConcentration() const { return mHazeConcentration; } - void setHaze(const LLHaze& h) { mHaze = h; } F32 getWorldScale() const { return mWorldScale; } void setWorldScale(const F32 s) { mWorldScale = s; } void updateFog(const F32 distance); - void setFogRatio(const F32 fog_ratio) { mFogRatio = fog_ratio; } + + void setFogRatio(const F32 fog_ratio) { m_legacyAtmospherics.setFogRatio(fog_ratio); } + F32 getFogRatio() const { return m_legacyAtmospherics.getFogRatio(); } + + LLColor4 getSkyFogColor() const { return m_legacyAtmospherics.getFogColor(); } + LLColor4 getGLFogColor() const { return m_legacyAtmospherics.getGLFogColor(); } + LLColor4U getFadeColor() const; - F32 getFogRatio() const { return mFogRatio; } + void setCloudDensity(F32 cloud_density) { mCloudDensity = cloud_density; } void setWind ( const LLVector3& wind ) { mWind = wind.length(); } @@ -510,6 +336,11 @@ public: protected: ~LLVOSky(); + void updateDirections(void); + + void initSkyTextureDirs(const S32 side, const S32 tile); + void createSkyTexture(const S32 side, const S32 tile); + LLPointer<LLViewerFetchedTexture> mSunTexturep; LLPointer<LLViewerFetchedTexture> mMoonTexturep; LLPointer<LLViewerFetchedTexture> mBloomTexturep; @@ -532,8 +363,6 @@ protected: LLColor3 mBrightestPointNew; F32 mBrightnessScaleGuess; LLColor3 mBrightestPointGuess; - LLHaze mHaze; - F32 mHazeConcentration; BOOL mWeatherChange; F32 mCloudDensity; F32 mWind; @@ -545,53 +374,16 @@ protected: F32 mAmbientScale; LLColor3 mNightColorShift; F32 mInterpVal; - - LLColor4 mFogColor; - LLColor4 mGLFogCol; - - F32 mFogRatio; F32 mWorldScale; - LLPointer<LLCubeMap> mCubeMap; // Cube map for the environment - S32 mDrawRefl; + LLPointer<LLCubeMap> mCubeMap; // Cube map for the environment + S32 mDrawRefl; LLFrameTimer mUpdateTimer; -public: - //by bao - //fake vertex buffer updating - //to guarantee at least updating one VBO buffer every frame - //to work around the bug caused by ATI card --> DEV-3855 - // - void createDummyVertexBuffer() ; - void updateDummyVertexBuffer() ; - - BOOL mHeavenlyBodyUpdated ; -}; - -// turn it off -#if LL_MSVC && __MSVC_VER__ < 8 -#pragma optimize("p", off) -#endif - -// Utility functions -F32 azimuth(const LLVector3 &v); -F32 color_norm_pow(LLColor3& col, F32 e, BOOL postmultiply = FALSE); - - -/* Proportion of light that is scattered into 'path' from 'in' over distance dt. */ -/* assumes that vectors 'path' and 'in' are normalized. Scattering coef / 2pi */ - -inline LLColor3 LLHaze::calcAirSca(const F32 h) -{ - return calcFalloff(h) * sAirScaSeaLevel; -} - -inline void LLHaze::calcAirSca(const F32 h, LLColor3 &result) -{ - result = sAirScaSeaLevel; - result *= calcFalloff(h); -} + BOOL mHeavenlyBodyUpdated ; + LLAtmospherics m_legacyAtmospherics; +}; #endif diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp index 634a23b461..4f34f58b76 100644 --- a/indra/newview/pipeline.cpp +++ b/indra/newview/pipeline.cpp @@ -10043,7 +10043,7 @@ void LLPipeline::generateWaterReflection(LLCamera& camera_in) gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE); - LLColor3 col = LLEnvironment::instance().getCurrentWater()->getFogColor(); + LLColor3 col = LLEnvironment::instance().getCurrentWater()->getWaterFogColor(); glClearColor(col.mV[0], col.mV[1], col.mV[2], 0.f); mWaterDis.bindTarget(); LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_WATER1; @@ -12050,4 +12050,4 @@ void LLPipeline::restoreHiddenObject( const LLUUID& id ) bool LLPipeline::useAdvancedAtmospherics() const { return sUseAdvancedAtmospherics; -} +}
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