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-rw-r--r--indra/llinventory/llsettingssky.cpp57
-rw-r--r--indra/llmath/v3color.h17
-rw-r--r--indra/newview/CMakeLists.txt1
-rw-r--r--indra/newview/llenvadapters.cpp10
-rw-r--r--indra/newview/llenvadapters.h11
-rw-r--r--indra/newview/llfloatereditsky.cpp43
-rw-r--r--indra/newview/lllegacyatmospherics.cpp649
-rw-r--r--indra/newview/lllegacyatmospherics.h256
-rw-r--r--indra/newview/llsettingsvo.cpp13
-rw-r--r--indra/newview/llvosky.cpp778
-rw-r--r--indra/newview/llvosky.h236
11 files changed, 1012 insertions, 1059 deletions
diff --git a/indra/llinventory/llsettingssky.cpp b/indra/llinventory/llsettingssky.cpp
index cac363b510..3366f1a20a 100644
--- a/indra/llinventory/llsettingssky.cpp
+++ b/indra/llinventory/llsettingssky.cpp
@@ -383,29 +383,27 @@ LLSettingsSky::validation_list_t LLSettingsSky::validationList()
// copy constructor for LLSDArray. Directly binding the LLSDArray as
// a parameter without first wrapping it in a pure LLSD object will result
// in deeply nested arrays like this [[[[[[[[[[v1,v2,v3]]]]]]]]]]
-
-// LEGACY_ATMOSPHERICS
- validation.push_back(Validator(SETTING_AMBIENT, true, LLSD::TypeArray,
- boost::bind(&Validator::verifyVectorMinMax, _1,
- LLSD(LLSDArray(0.0f)(0.0f)(0.0f)("*")),
- LLSD(LLSDArray(3.0f)(3.0f)(3.0f)("*")))));
- validation.push_back(Validator(SETTING_BLUE_DENSITY, true, LLSD::TypeArray,
+ validation.push_back(Validator(SETTING_BLUE_DENSITY, false, LLSD::TypeArray,
boost::bind(&Validator::verifyVectorMinMax, _1,
LLSD(LLSDArray(0.0f)(0.0f)(0.0f)("*")),
LLSD(LLSDArray(2.0f)(2.0f)(2.0f)("*")))));
- validation.push_back(Validator(SETTING_BLUE_HORIZON, true, LLSD::TypeArray,
+ validation.push_back(Validator(SETTING_BLUE_HORIZON, false, LLSD::TypeArray,
boost::bind(&Validator::verifyVectorMinMax, _1,
LLSD(LLSDArray(0.0f)(0.0f)(0.0f)("*")),
LLSD(LLSDArray(2.0f)(2.0f)(2.0f)("*")))));
- validation.push_back(Validator(SETTING_DENSITY_MULTIPLIER, true, LLSD::TypeReal,
- boost::bind(&Validator::verifyFloatRange, _1, LLSD(LLSDArray(0.0f)(0.0009f)))));
- validation.push_back(Validator(SETTING_DISTANCE_MULTIPLIER, true, LLSD::TypeReal,
- boost::bind(&Validator::verifyFloatRange, _1, LLSD(LLSDArray(0.0f)(100.0f)))));
- validation.push_back(Validator(SETTING_HAZE_DENSITY, true, LLSD::TypeReal,
+ validation.push_back(Validator(SETTING_HAZE_DENSITY, false, LLSD::TypeReal,
boost::bind(&Validator::verifyFloatRange, _1, LLSD(LLSDArray(0.0f)(4.0f)))));
- validation.push_back(Validator(SETTING_HAZE_HORIZON, true, LLSD::TypeReal,
+ validation.push_back(Validator(SETTING_HAZE_HORIZON, false, LLSD::TypeReal,
boost::bind(&Validator::verifyFloatRange, _1, LLSD(LLSDArray(0.0f)(1.0f)))));
+ validation.push_back(Validator(SETTING_AMBIENT, false, LLSD::TypeArray,
+ boost::bind(&Validator::verifyVectorMinMax, _1,
+ LLSD(LLSDArray(0.0f)(0.0f)(0.0f)("*")),
+ LLSD(LLSDArray(3.0f)(3.0f)(3.0f)("*")))));
+ validation.push_back(Validator(SETTING_DENSITY_MULTIPLIER, false, LLSD::TypeReal,
+ boost::bind(&Validator::verifyFloatRange, _1, LLSD(LLSDArray(0.0f)(0.0009f)))));
+ validation.push_back(Validator(SETTING_DISTANCE_MULTIPLIER, false, LLSD::TypeReal,
+ boost::bind(&Validator::verifyFloatRange, _1, LLSD(LLSDArray(0.0f)(100.0f)))));
validation.push_back(Validator(SETTING_BLOOM_TEXTUREID, true, LLSD::TypeUUID));
validation.push_back(Validator(SETTING_CLOUD_COLOR, true, LLSD::TypeArray,
boost::bind(&Validator::verifyVectorMinMax, _1,
@@ -614,21 +612,6 @@ LLSD LLSettingsSky::translateLegacySettings(LLSD legacy)
newsettings[SETTING_HAZE_HORIZON] = LLSD::Real(legacy[SETTING_HAZE_HORIZON][0].asReal());
}
- if (!legacy.has(SETTING_RAYLEIGH_CONFIG))
- {
- newsettings[SETTING_RAYLEIGH_CONFIG].append(rayleighConfigDefault());
- }
-
- if (!legacy.has(SETTING_ABSORPTION_CONFIG))
- {
- newsettings[SETTING_ABSORPTION_CONFIG].append(absorptionConfigDefault());
- }
-
- if (!legacy.has(SETTING_MIE_CONFIG))
- {
- newsettings[SETTING_MIE_CONFIG].append(mieConfigDefault());
- }
-
if (legacy.has(SETTING_CLOUD_COLOR))
{
newsettings[SETTING_CLOUD_COLOR] = LLColor3(legacy[SETTING_CLOUD_COLOR]).getValue();
@@ -696,37 +679,21 @@ LLSD LLSettingsSky::translateLegacySettings(LLSD legacy)
{
newsettings[SETTING_PLANET_RADIUS] = LLSD::Real(legacy[SETTING_PLANET_RADIUS].asReal());
}
- else
- {
- newsettings[SETTING_PLANET_RADIUS] = 6360.0f;
- }
if (legacy.has(SETTING_SKY_BOTTOM_RADIUS))
{
newsettings[SETTING_SKY_BOTTOM_RADIUS] = LLSD::Real(legacy[SETTING_SKY_BOTTOM_RADIUS].asReal());
}
- else
- {
- newsettings[SETTING_SKY_BOTTOM_RADIUS] = 6360.0f;
- }
if (legacy.has(SETTING_SKY_TOP_RADIUS))
{
newsettings[SETTING_SKY_TOP_RADIUS] = LLSD::Real(legacy[SETTING_SKY_TOP_RADIUS].asReal());
}
- else
- {
- newsettings[SETTING_SKY_TOP_RADIUS] = 6420.0f;
- }
if (legacy.has(SETTING_SUN_ARC_RADIANS))
{
newsettings[SETTING_SUN_ARC_RADIANS] = LLSD::Real(legacy[SETTING_SUN_ARC_RADIANS].asReal());
}
- else
- {
- newsettings[SETTING_SUN_ARC_RADIANS] = 0.00935f / 2.0f;
- }
if (legacy.has(SETTING_LEGACY_EAST_ANGLE) && legacy.has(SETTING_LEGACY_SUN_ANGLE))
{ // convert the east and sun angles into a quaternion.
diff --git a/indra/llmath/v3color.h b/indra/llmath/v3color.h
index daf3a6857b..41dbdb8cd5 100644
--- a/indra/llmath/v3color.h
+++ b/indra/llmath/v3color.h
@@ -100,6 +100,23 @@ public:
const LLColor3& operator=(const LLColor4 &a);
+ LL_FORCE_INLINE LLColor3 divide(const LLColor3 &col2)
+ {
+ return LLColor3(
+ mV[0] / col2.mV[0],
+ mV[1] / col2.mV[1],
+ mV[2] / col2.mV[2] );
+ }
+
+ LL_FORCE_INLINE LLColor3 color_norm()
+ {
+ F32 l = length();
+ return LLColor3(
+ mV[0] / l,
+ mV[1] / l,
+ mV[2] / l );
+ }
+
friend std::ostream& operator<<(std::ostream& s, const LLColor3 &a); // Print a
friend LLColor3 operator+(const LLColor3 &a, const LLColor3 &b); // Return vector a + b
friend LLColor3 operator-(const LLColor3 &a, const LLColor3 &b); // Return vector a minus b
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/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/lllegacyatmospherics.cpp b/indra/newview/lllegacyatmospherics.cpp
new file mode 100644
index 0000000000..a589ef0a68
--- /dev/null
+++ b/indra/newview/lllegacyatmospherics.cpp
@@ -0,0 +1,649 @@
+/**
+ * @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);
+ calc();
+ 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::calc()
+{
+
+}
+
+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->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;
+}
diff --git a/indra/newview/lllegacyatmospherics.h b/indra/newview/lllegacyatmospherics.h
new file mode 100644
index 0000000000..2f0c094c10
--- /dev/null
+++ b/indra/newview/lllegacyatmospherics.h
@@ -0,0 +1,256 @@
+/**
+ * @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 calc();
+ 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/llvosky.cpp b/indra/newview/llvosky.cpp
index 61500aebfe..950378c567 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();
-// 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();
+ calcAtmospherics();
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;
@@ -541,287 +480,10 @@ 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);
- }
- }
-}
-
-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;
+ 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);
}
-
- 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)
@@ -847,6 +509,7 @@ void LLVOSky::calcAtmospherics(void)
F32 sun_dynamic_range = llmax(gSavedSettings.getF32("RenderSunDynamicRange"), 0.0001f);
LLEnvironment::instance().setSceneLightStrength(2.0f * (1.0f + sun_dynamic_range * dp));
+ m_legacyAtmospherics.calc();
}
void LLVOSky::idleUpdate(LLAgent &agent, const F64 &time)
@@ -874,7 +537,6 @@ 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;
@@ -1028,53 +690,6 @@ 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 +959,6 @@ 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 +1270,7 @@ 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 * getFogColor();
face->setFaceColor(hb_refl_col);
LLVector3 v_far[2];
@@ -1850,208 +1388,10 @@ 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)
diff --git a/indra/newview/llvosky.h b/indra/newview/llvosky.h
index 2c253aed51..e4d99a5e8b 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
@@ -383,24 +234,6 @@ 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);
@@ -453,8 +286,6 @@ 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 +307,18 @@ 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 getFogColor() 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(); }
@@ -532,8 +365,6 @@ protected:
LLColor3 mBrightestPointNew;
F32 mBrightnessScaleGuess;
LLColor3 mBrightestPointGuess;
- LLHaze mHaze;
- F32 mHazeConcentration;
BOOL mWeatherChange;
F32 mCloudDensity;
F32 mWind;
@@ -545,53 +376,16 @@ 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
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-11 12:23:45 +0000