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-rw-r--r--indra/llinventory/llsettingssky.cpp149
-rw-r--r--indra/llinventory/llsettingssky.h3
-rw-r--r--indra/newview/lllegacyatmospherics.cpp6
-rw-r--r--indra/newview/lllegacyatmospherics.h1
-rw-r--r--indra/newview/llvosky.cpp71
-rw-r--r--indra/newview/llvosky.h14
6 files changed, 105 insertions, 139 deletions
diff --git a/indra/llinventory/llsettingssky.cpp b/indra/llinventory/llsettingssky.cpp
index 972579b485..22f048bd0d 100644
--- a/indra/llinventory/llsettingssky.cpp
+++ b/indra/llinventory/llsettingssky.cpp
@@ -752,101 +752,88 @@ void LLSettingsSky::calculateHeavnlyBodyPositions()
}
}
-void LLSettingsSky::calculateLightSettings()
+// Sunlight attenuation effect (hue and brightness) due to atmosphere
+// this is used later for sunlight modulation at various altitudes
+LLColor3 LLSettingsSky::getLightAttenuation(F32 distance) const
{
+ LLColor3 blue_density = getBlueDensity();
+ F32 haze_density = getHazeDensity();
+ F32 density_multiplier = getDensityMultiplier();
+ LLColor3 density = (blue_density * 1.0 + smear(haze_density * 0.25f));
+ LLColor3 light_atten = density * density_multiplier * distance;
+ return light_atten;
+}
-// LEGACY_ATMOSPHERICS
- LLColor3 vary_HazeColor;
- LLColor3 vary_SunlightColor;
- LLColor3 vary_AmbientColor;
- {
- // Initialize temp variables
- LLColor3 sunlight = getSunlightColor();
- LLColor3 ambient = getAmbientColor();
- F32 gamma = getGamma();
- LLColor3 blue_density = getBlueDensity();
- LLColor3 blue_horizon = getBlueHorizon();
- F32 haze_density = getHazeDensity();
- F32 haze_horizon = getHazeHorizon();
-
- F32 density_multiplier = getDensityMultiplier();
- F32 max_y = getMaxY();
- F32 cloud_shadow = getCloudShadow();
- LLVector3 lightnorm = getLightDirection();
-
- // Sunlight attenuation effect (hue and brightness) due to atmosphere
- // this is used later for sunlight modulation at various altitudes
- LLColor3 light_atten = (blue_density * 1.0 + smear(haze_density * 0.25f)) * (density_multiplier * max_y);
-
- // Calculate relative weights
- LLColor3 temp2(0.f, 0.f, 0.f);
- LLColor3 temp1 = blue_density + smear(haze_density);
- LLColor3 blue_weight = componentDiv(blue_density, temp1);
- LLColor3 haze_weight = componentDiv(smear(haze_density), temp1);
-
- // Compute sunlight from P & lightnorm (for long rays like sky)
- /// USE only lightnorm.
- // temp2[1] = llmax(0.f, llmax(0.f, Pn[1]) * 1.0f + lightnorm[1] );
-
- // and vary_sunlight will work properly with moon light
- F32 lighty = lightnorm[1];
- if (lighty < NIGHTTIME_ELEVATION_COS)
- {
- lighty = -lighty;
- }
-
- temp2.mV[1] = llmax(0.f, lighty);
- if(temp2.mV[1] > 0.f)
- {
- temp2.mV[1] = 1.f / temp2.mV[1];
- }
- componentMultBy(sunlight, componentExp((light_atten * -1.f) * temp2.mV[1]));
-
- // Distance
- temp2.mV[2] = density_multiplier;
-
- // Transparency (-> temp1)
- temp1 = componentExp((temp1 * -1.f) * temp2.mV[2]);
-
- // vary_AtmosAttenuation = temp1;
-
- //increase ambient when there are more clouds
- LLColor3 tmpAmbient = ambient + (smear(1.f) - ambient) * cloud_shadow * 0.5f;
+LLColor3 LLSettingsSky::getLightTransmittance() const
+{
+ LLColor3 blue_density = getBlueDensity();
+ F32 haze_density = getHazeDensity();
+ F32 density_multiplier = getDensityMultiplier();
+ LLColor3 temp1 = blue_density + smear(haze_density);
+ // Transparency (-> temp1)
+ temp1 = componentExp((temp1 * -1.f) * density_multiplier);
+ return temp1;
+}
- //haze color
- vary_HazeColor =
- (blue_horizon * blue_weight * (sunlight*(1.f - cloud_shadow) + tmpAmbient)
- + componentMult(haze_horizon * haze_weight, sunlight*(1.f - cloud_shadow) * temp2.mV[0] + tmpAmbient)
- );
+LLColor3 LLSettingsSky::gammaCorrect(const LLColor3& in) const
+{
+ F32 gamma = getGamma();
+ LLColor3 v(in);
+ v.clamp();
+ v= smear(1.0f) - v;
+ v = componentPow(v, gamma);
+ v = smear(1.0f) - v;
+ return v;
+}
- //brightness of surface both sunlight and ambient
- vary_SunlightColor = componentMult(sunlight, temp1) * 1.f;
- vary_SunlightColor.clamp();
- vary_SunlightColor = smear(1.0f) - vary_SunlightColor;
- vary_SunlightColor = componentPow(vary_SunlightColor, gamma);
- vary_SunlightColor = smear(1.0f) - vary_SunlightColor;
- vary_AmbientColor = componentMult(tmpAmbient, temp1) * 0.5;
- vary_AmbientColor.clamp();
- vary_AmbientColor = smear(1.0f) - vary_AmbientColor;
- vary_AmbientColor = componentPow(vary_AmbientColor, gamma);
- vary_AmbientColor = smear(1.0f) - vary_AmbientColor;
+void LLSettingsSky::calculateLightSettings()
+{
+// LEGACY_ATMOSPHERICS
+ // Initialize temp variables
+ LLColor3 sunlight = getSunlightColor();
+ LLColor3 ambient = getAmbientColor();
+ F32 cloud_shadow = getCloudShadow();
+ LLVector3 lightnorm = getLightDirection();
+
+ // Sunlight attenuation effect (hue and brightness) due to atmosphere
+ // this is used later for sunlight modulation at various altitudes
+ F32 max_y = getMaxY();
+ LLColor3 light_atten = getLightAttenuation(max_y);
+ LLColor3 light_transmittance = getLightTransmittance();
+
+ // Compute sunlight from P & lightnorm (for long rays like sky)
+ /// USE only lightnorm.
+ // temp2[1] = llmax(0.f, llmax(0.f, Pn[1]) * 1.0f + lightnorm[1] );
- componentMultBy(vary_HazeColor, LLColor3(1.f, 1.f, 1.f) - temp1);
+ // and vary_sunlight will work properly with moon light
+ F32 lighty = lightnorm[1];
+ if (lighty < NIGHTTIME_ELEVATION_COS)
+ {
+ lighty = -lighty;
+ }
+ lighty = llmax(0.f, lighty);
+ if(lighty > 0.f)
+ {
+ lighty = 1.f / lighty;
}
+ componentMultBy(sunlight, componentExp((light_atten * -1.f) * lighty));
+
+ //increase ambient when there are more clouds
+ LLColor3 tmpAmbient = ambient + (smear(1.f) - ambient) * cloud_shadow * 0.5f;
- mSunDiffuse = vary_SunlightColor;
- mSunAmbient = vary_AmbientColor;
- mMoonDiffuse = vary_SunlightColor;
- mMoonAmbient = vary_AmbientColor;
+ //brightness of surface both sunlight and ambient
+ mSunDiffuse = gammaCorrect(componentMult(sunlight, light_transmittance));
+ mSunAmbient = gammaCorrect(componentMult(tmpAmbient, light_transmittance) * 0.5);
- mTotalAmbient = LLColor4(vary_AmbientColor, 1.0f);
+ mMoonDiffuse = gammaCorrect(componentMult(LLColor3::white, light_transmittance));
+ mMoonAmbient = gammaCorrect(componentMult(LLColor3::white, light_transmittance) * 0.5f);
+ mTotalAmbient = mSunAmbient;
mFadeColor = mTotalAmbient + (mSunDiffuse + mMoonDiffuse) * 0.5f;
mFadeColor.setAlpha(0);
}
-
//=========================================================================
namespace
{
diff --git a/indra/llinventory/llsettingssky.h b/indra/llinventory/llsettingssky.h
index d08e2bbd03..ceb941bf7c 100644
--- a/indra/llinventory/llsettingssky.h
+++ b/indra/llinventory/llsettingssky.h
@@ -455,6 +455,9 @@ private:
void calculateHeavnlyBodyPositions();
void calculateLightSettings();
+ LLColor3 getLightAttenuation(F32 distance) const;
+ LLColor3 getLightTransmittance() const;
+ LLColor3 gammaCorrect(const LLColor3& in) const;
LLVector3 mSunDirection;
LLVector3 mMoonDirection;
diff --git a/indra/newview/lllegacyatmospherics.cpp b/indra/newview/lllegacyatmospherics.cpp
index a589ef0a68..622f75a88b 100644
--- a/indra/newview/lllegacyatmospherics.cpp
+++ b/indra/newview/lllegacyatmospherics.cpp
@@ -200,7 +200,6 @@ 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;
}
@@ -445,11 +444,6 @@ LLColor3 LLAtmospherics::calcSkyColorWLFrag(LLVector3 & Pn, AtmosphericsVars& va
return res;
}
-void LLAtmospherics::calc()
-{
-
-}
-
void LLAtmospherics::updateFog(const F32 distance, LLVector3& tosun)
{
if (!gPipeline.hasRenderDebugFeatureMask(LLPipeline::RENDER_DEBUG_FEATURE_FOG))
diff --git a/indra/newview/lllegacyatmospherics.h b/indra/newview/lllegacyatmospherics.h
index 2f0c094c10..71469a622a 100644
--- a/indra/newview/lllegacyatmospherics.h
+++ b/indra/newview/lllegacyatmospherics.h
@@ -213,7 +213,6 @@ public:
~LLAtmospherics();
void init();
- void calc();
void updateFog(const F32 distance, LLVector3& tosun);
const LLHaze& getHaze() const { return mHaze; }
diff --git a/indra/newview/llvosky.cpp b/indra/newview/llvosky.cpp
index 950378c567..d295efaa66 100644
--- a/indra/newview/llvosky.cpp
+++ b/indra/newview/llvosky.cpp
@@ -336,7 +336,7 @@ LLVOSky::~LLVOSky()
void LLVOSky::init()
{
- calcAtmospherics();
+ updateDirections();
// Initialize the cached normalized direction vectors
for (S32 side = 0; side < 6; ++side)
@@ -408,7 +408,7 @@ void LLVOSky::restoreGL()
mBloomTexturep->setNoDelete() ;
mBloomTexturep->setAddressMode(LLTexUnit::TAM_CLAMP);
- calcAtmospherics();
+ updateDirections();
if (gSavedSettings.getBOOL("RenderWater") && gGLManager.mHasCubeMap
&& LLCubeMap::sUseCubeMaps)
@@ -486,7 +486,7 @@ void LLVOSky::createSkyTexture(const S32 side, const S32 tile)
}
}
-void LLVOSky::calcAtmospherics(void)
+void LLVOSky::updateDirections(void)
{
LLSettingsSky::ptr_t psky = LLEnvironment::instance().getCurrentSky();
@@ -508,8 +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));
-
- m_legacyAtmospherics.calc();
}
void LLVOSky::idleUpdate(LLAgent &agent, const F64 &time)
@@ -541,7 +539,7 @@ BOOL LLVOSky::updateSky()
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;
@@ -553,7 +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)
{
@@ -595,8 +593,6 @@ BOOL LLVOSky::updateSky()
}
}
- calcAtmospherics();
-
for (int side = 0; side < 6; side++)
{
LLImageRaw* raw1 = mSkyTex[side].getImageRaw(TRUE);
@@ -610,45 +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())
@@ -1405,7 +1389,7 @@ void LLVOSky::initSunDirection(const LLVector3 &sun_dir, const LLVector3 &sun_an
mMoon.renewDirection();
mLastLightingDirection = mSun.getDirection();
- calcAtmospherics();
+ updateDirections();
if ( !mInitialized )
{
@@ -1439,7 +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 e4d99a5e8b..f8a6827a2b 100644
--- a/indra/newview/llvosky.h
+++ b/indra/newview/llvosky.h
@@ -230,13 +230,7 @@ class LLCubeMap;
class LLVOSky : public LLStaticViewerObject
{
-
-public:
- void calcAtmospherics(void);
-
- void initSkyTextureDirs(const S32 side, const S32 tile);
- void createSkyTexture(const S32 side, const S32 tile);
-
+public:
enum
{
FACE_SIDE0,
@@ -249,7 +243,6 @@ public:
FACE_MOON, // was 7
FACE_BLOOM, // was 8
FACE_REFLECTION, // was 10
- FACE_DUMMY, //for an ATI bug --bao
FACE_COUNT
};
@@ -343,6 +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;
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 14:46:56 +0000