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-rw-r--r--indra/llrender/llatmosphere.cpp348
-rw-r--r--indra/llrender/llatmosphere.h50
-rw-r--r--indra/llrender/llglslshader.cpp16
-rw-r--r--indra/llrender/llglslshader.h3
-rw-r--r--indra/llrender/llrender.cpp129
-rw-r--r--indra/llrender/llrender.h25
-rw-r--r--indra/llrender/llshadermgr.cpp45
-rw-r--r--indra/llrender/llshadermgr.h3
-rw-r--r--indra/llrender/llvertexbuffer.cpp2
9 files changed, 455 insertions, 166 deletions
diff --git a/indra/llrender/llatmosphere.cpp b/indra/llrender/llatmosphere.cpp
index 6ce5292839..644e102a15 100644
--- a/indra/llrender/llatmosphere.cpp
+++ b/indra/llrender/llatmosphere.cpp
@@ -36,6 +36,102 @@
LLAtmosphere* gAtmosphere = nullptr;
+// Values from "Reference Solar Spectral Irradiance: ASTM G-173", ETR column
+// (see http://rredc.nrel.gov/solar/spectra/am1.5/ASTMG173/ASTMG173.html),
+// summed and averaged in each bin (e.g. the value for 360nm is the average
+// of the ASTM G-173 values for all wavelengths between 360 and 370nm).
+// Values in W.m^-2.
+const int kLambdaMin = 360;
+const int kLambdaMax = 830;
+const double kSolarIrradiance[48] = {
+ 1.11776, 1.14259, 1.01249, 1.14716, 1.72765, 1.73054, 1.6887, 1.61253,
+ 1.91198, 2.03474, 2.02042, 2.02212, 1.93377, 1.95809, 1.91686, 1.8298,
+ 1.8685, 1.8931, 1.85149, 1.8504, 1.8341, 1.8345, 1.8147, 1.78158, 1.7533,
+ 1.6965, 1.68194, 1.64654, 1.6048, 1.52143, 1.55622, 1.5113, 1.474, 1.4482,
+ 1.41018, 1.36775, 1.34188, 1.31429, 1.28303, 1.26758, 1.2367, 1.2082,
+ 1.18737, 1.14683, 1.12362, 1.1058, 1.07124, 1.04992
+};
+
+// Values from http://www.iup.uni-bremen.de/gruppen/molspec/databases/
+// referencespectra/o3spectra2011/index.html for 233K, summed and averaged in
+// each bin (e.g. the value for 360nm is the average of the original values
+// for all wavelengths between 360 and 370nm). Values in m^2.
+const double kOzoneCrossSection[48] = {
+ 1.18e-27, 2.182e-28, 2.818e-28, 6.636e-28, 1.527e-27, 2.763e-27, 5.52e-27,
+ 8.451e-27, 1.582e-26, 2.316e-26, 3.669e-26, 4.924e-26, 7.752e-26, 9.016e-26,
+ 1.48e-25, 1.602e-25, 2.139e-25, 2.755e-25, 3.091e-25, 3.5e-25, 4.266e-25,
+ 4.672e-25, 4.398e-25, 4.701e-25, 5.019e-25, 4.305e-25, 3.74e-25, 3.215e-25,
+ 2.662e-25, 2.238e-25, 1.852e-25, 1.473e-25, 1.209e-25, 9.423e-26, 7.455e-26,
+ 6.566e-26, 5.105e-26, 4.15e-26, 4.228e-26, 3.237e-26, 2.451e-26, 2.801e-26,
+ 2.534e-26, 1.624e-26, 1.465e-26, 2.078e-26, 1.383e-26, 7.105e-27
+};
+
+// From https://en.wikipedia.org/wiki/Dobson_unit, in molecules.m^-2.
+const double kDobsonUnit = 2.687e20;
+// Maximum number density of ozone molecules, in m^-3 (computed so at to get
+// 300 Dobson units of ozone - for this we divide 300 DU by the integral of
+// the ozone density profile defined below, which is equal to 15km).
+const double kMaxOzoneNumberDensity = 300.0 * kDobsonUnit / 15000.0;
+const double kRayleigh = 1.24062e-6;
+const double kRayleighScaleHeight = 8000.0;
+const double kMieScaleHeight = 1200.0;
+const double kMieAngstromAlpha = 0.0;
+const double kMieAngstromBeta = 5.328e-3;
+const double kMieSingleScatteringAlbedo = 0.9;
+const double max_sun_zenith_angle = F_PI * 2.0 / 3.0;
+
+AtmosphericModelSettings::AtmosphericModelSettings()
+ : m_skyBottomRadius(6360.0f)
+ , m_skyTopRadius(6420.0f)
+ , m_sunArcRadians(0.00045f)
+ , m_mieAnisotropy(0.8f)
+{
+ atmosphere::DensityProfileLayer rayleigh_density(0.0, 1.0, -1.0 / kRayleighScaleHeight, 0.0, 0.0);
+ atmosphere::DensityProfileLayer mie_density(0.0, 1.0, -1.0 / kMieScaleHeight, 0.0, 0.0);
+
+ m_rayleighProfile.push_back(rayleigh_density);
+ m_mieProfile.push_back(mie_density);
+
+ // Density profile increasing linearly from 0 to 1 between 10 and 25km, and
+ // decreasing linearly from 1 to 0 between 25 and 40km. This is an approximate
+ // profile from http://www.kln.ac.lk/science/Chemistry/Teaching_Resources/
+ // Documents/Introduction%20to%20atmospheric%20chemistry.pdf (page 10).
+ m_absorptionProfile.push_back(atmosphere::DensityProfileLayer(25000.0, 0.0, 0.0, 1.0 / 15000.0, -2.0 / 3.0));
+ m_absorptionProfile.push_back(atmosphere::DensityProfileLayer(0.0, 0.0, 0.0, -1.0 / 15000.0, 8.0 / 3.0));
+}
+
+AtmosphericModelSettings::AtmosphericModelSettings(
+ DensityProfile& rayleighProfile,
+ DensityProfile& mieProfile,
+ DensityProfile& absorptionProfile)
+: m_skyBottomRadius(6360.0f)
+, m_skyTopRadius(6420.0f)
+, m_rayleighProfile(rayleighProfile)
+, m_mieProfile(mieProfile)
+, m_absorptionProfile(absorptionProfile)
+, m_sunArcRadians(0.00045f)
+, m_mieAnisotropy(0.8f)
+{
+}
+
+AtmosphericModelSettings::AtmosphericModelSettings(
+ F32 skyBottomRadius,
+ F32 skyTopRadius,
+ DensityProfile& rayleighProfile,
+ DensityProfile& mieProfile,
+ DensityProfile& absorptionProfile,
+ F32 sunArcRadians,
+ F32 mieAniso)
+: m_skyBottomRadius(skyBottomRadius)
+, m_skyTopRadius(skyTopRadius)
+, m_rayleighProfile(rayleighProfile)
+, m_mieProfile(mieProfile)
+, m_absorptionProfile(absorptionProfile)
+, m_sunArcRadians(sunArcRadians)
+, m_mieAnisotropy(mieAniso)
+{
+}
+
void LLAtmosphere::initClass()
{
if (!gAtmosphere)
@@ -55,164 +151,152 @@ void LLAtmosphere::cleanupClass()
LLAtmosphere::LLAtmosphere()
{
- // Init libatmosphere model
- m_config.num_scattering_orders = 4;
+ for (int l = kLambdaMin; l <= kLambdaMax; l += 10)
+ {
+ double lambda = static_cast<double>(l) * 1e-3; // micro-meters
+ double mie = kMieAngstromBeta / kMieScaleHeight * pow(lambda, -kMieAngstromAlpha);
+ m_wavelengths.push_back(l);
+ m_solar_irradiance.push_back(kSolarIrradiance[(l - kLambdaMin) / 10]);
+ m_rayleigh_scattering.push_back(kRayleigh * pow(lambda, -4));
+ m_mie_scattering.push_back(mie * kMieSingleScatteringAlbedo);
+ m_mie_extinction.push_back(mie);
+ m_absorption_extinction.push_back(kMaxOzoneNumberDensity * kOzoneCrossSection[(l - kLambdaMin) / 10]);
+ m_ground_albedo.push_back(0.6f);
+ }
- // Values from "Reference Solar Spectral Irradiance: ASTM G-173", ETR column
- // (see http://rredc.nrel.gov/solar/spectra/am1.5/ASTMG173/ASTMG173.html),
- // summed and averaged in each bin (e.g. the value for 360nm is the average
- // of the ASTM G-173 values for all wavelengths between 360 and 370nm).
- // Values in W.m^-2.
- const int kLambdaMin = 360;
- const int kLambdaMax = 830;
- const double kSolarIrradiance[48] = {
- 1.11776, 1.14259, 1.01249, 1.14716, 1.72765, 1.73054, 1.6887, 1.61253,
- 1.91198, 2.03474, 2.02042, 2.02212, 1.93377, 1.95809, 1.91686, 1.8298,
- 1.8685, 1.8931, 1.85149, 1.8504, 1.8341, 1.8345, 1.8147, 1.78158, 1.7533,
- 1.6965, 1.68194, 1.64654, 1.6048, 1.52143, 1.55622, 1.5113, 1.474, 1.4482,
- 1.41018, 1.36775, 1.34188, 1.31429, 1.28303, 1.26758, 1.2367, 1.2082,
- 1.18737, 1.14683, 1.12362, 1.1058, 1.07124, 1.04992
- };
-
- // Values from http://www.iup.uni-bremen.de/gruppen/molspec/databases/
- // referencespectra/o3spectra2011/index.html for 233K, summed and averaged in
- // each bin (e.g. the value for 360nm is the average of the original values
- // for all wavelengths between 360 and 370nm). Values in m^2.
- const double kOzoneCrossSection[48] = {
- 1.18e-27, 2.182e-28, 2.818e-28, 6.636e-28, 1.527e-27, 2.763e-27, 5.52e-27,
- 8.451e-27, 1.582e-26, 2.316e-26, 3.669e-26, 4.924e-26, 7.752e-26, 9.016e-26,
- 1.48e-25, 1.602e-25, 2.139e-25, 2.755e-25, 3.091e-25, 3.5e-25, 4.266e-25,
- 4.672e-25, 4.398e-25, 4.701e-25, 5.019e-25, 4.305e-25, 3.74e-25, 3.215e-25,
- 2.662e-25, 2.238e-25, 1.852e-25, 1.473e-25, 1.209e-25, 9.423e-26, 7.455e-26,
- 6.566e-26, 5.105e-26, 4.15e-26, 4.228e-26, 3.237e-26, 2.451e-26, 2.801e-26,
- 2.534e-26, 1.624e-26, 1.465e-26, 2.078e-26, 1.383e-26, 7.105e-27
- };
-
- // From https://en.wikipedia.org/wiki/Dobson_unit, in molecules.m^-2.
- const double kDobsonUnit = 2.687e20;
-
- // Maximum number density of ozone molecules, in m^-3 (computed so at to get
- // 300 Dobson units of ozone - for this we divide 300 DU by the integral of
- // the ozone density profile defined below, which is equal to 15km).
- const double kMaxOzoneNumberDensity = 300.0 * kDobsonUnit / 15000.0;
-
- const double kSunAngularRadius = 0.00935 / 2.0;
- const double kBottomRadius = 6360000.0;
- const double kTopRadius = 6420000.0;
- const double kRayleigh = 1.24062e-6;
- const double kRayleighScaleHeight = 8000.0;
- const double kMieScaleHeight = 1200.0;
- const double kMieAngstromAlpha = 0.0;
- const double kMieAngstromBeta = 5.328e-3;
- const double kMieSingleScatteringAlbedo = 0.9;
- const double kMiePhaseFunctionG = 0.8;
- const double max_sun_zenith_angle = F_PI * 2.0 / 3.0;
+ AtmosphericModelSettings defaults;
+ configureAtmosphericModel(defaults);
+}
- atmosphere::DensityProfileLayer rayleigh_density(0.0, 1.0, -1.0 / kRayleighScaleHeight, 0.0, 0.0);
- atmosphere::DensityProfileLayer mie_density(0.0, 1.0, -1.0 / kMieScaleHeight, 0.0, 0.0);
+LLAtmosphere::~LLAtmosphere()
+{
+ // Cease referencing textures from atmosphere::model from our LLGLTextures wrappers for same.
+ if (m_transmittance)
+ {
+ m_transmittance->setTexName(0);
+ }
- // Density profile increasing linearly from 0 to 1 between 10 and 25km, and
- // decreasing linearly from 1 to 0 between 25 and 40km. This is an approximate
- // profile from http://www.kln.ac.lk/science/Chemistry/Teaching_Resources/
- // Documents/Introduction%20to%20atmospheric%20chemistry.pdf (page 10).
- std::vector<atmosphere::DensityProfileLayer> ozone_density;
- ozone_density.push_back(atmosphere::DensityProfileLayer(25000.0, 0.0, 0.0, 1.0 / 15000.0, -2.0 / 3.0));
- ozone_density.push_back(atmosphere::DensityProfileLayer(0.0, 0.0, 0.0, -1.0 / 15000.0, 8.0 / 3.0));
-
- std::vector<double> wavelengths;
- std::vector<double> solar_irradiance;
- std::vector<double> rayleigh_scattering;
- std::vector<double> mie_scattering;
- std::vector<double> mie_extinction;
- std::vector<double> absorption_extinction;
- std::vector<double> ground_albedo;
+ if (m_scattering)
+ {
+ m_scattering->setTexName(0);
+ }
- for (int l = kLambdaMin; l <= kLambdaMax; l += 10)
+ if (m_mie_scatter_texture)
{
- double lambda = static_cast<double>(l) * 1e-3; // micro-meters
- double mie = kMieAngstromBeta / kMieScaleHeight * pow(lambda, -kMieAngstromAlpha);
- wavelengths.push_back(l);
- solar_irradiance.push_back(kSolarIrradiance[(l - kLambdaMin) / 10]);
- rayleigh_scattering.push_back(kRayleigh * pow(lambda, -4));
- mie_scattering.push_back(mie * kMieSingleScatteringAlbedo);
- mie_extinction.push_back(mie);
- absorption_extinction.push_back(kMaxOzoneNumberDensity * kOzoneCrossSection[(l - kLambdaMin) / 10]);
- ground_albedo.push_back(0.1f);
+ m_mie_scatter_texture->setTexName(0);
+ }
+
+ delete m_model;
+ m_model = nullptr;
+}
+
+bool LLAtmosphere::configureAtmosphericModel(AtmosphericModelSettings& settings)
+{
+// Advanced Atmospherics TODO
+// Make this store a hash of the precomputed data
+// and avoid redundant calcs for identical settings
+
+ if (m_model)
+ {
+ delete m_model;
}
+ m_model = nullptr;
+
+ getTransmittance()->setTexName(0);
+ getScattering()->setTexName(0);
+ getMieScattering()->setTexName(0);
+ getIlluminance()->setTexName(0);
+
+ // Init libatmosphere model
+ m_config.num_scattering_orders = 4;
m_model = new atmosphere::Model(
- wavelengths,
- solar_irradiance,
- kSunAngularRadius,
- kBottomRadius,
- kTopRadius,
- {rayleigh_density},
- rayleigh_scattering,
- {mie_density},
- mie_scattering,
- mie_extinction,
- kMiePhaseFunctionG,
- ozone_density,
- absorption_extinction,
- ground_albedo,
+ m_wavelengths,
+ m_solar_irradiance,
+ settings.m_sunArcRadians,
+ settings.m_skyBottomRadius * 1000.0f,
+ settings.m_skyTopRadius * 1000.0f,
+ settings.m_rayleighProfile,
+ m_rayleigh_scattering,
+ settings.m_mieProfile,
+ m_mie_scattering,
+ m_mie_extinction,
+ settings.m_mieAnisotropy,
+ settings.m_absorptionProfile,
+ m_absorption_extinction,
+ m_ground_albedo,
max_sun_zenith_angle,
1000.0,
15,
false,
true);
- m_model->Init(m_config, m_textures);
-
- m_transmittance = new LLGLTexture;
- m_scattering = new LLGLTexture;
- m_mie_scattering = new LLGLTexture;
-
- m_transmittance->generateGLTexture();
- m_transmittance->setAddressMode(LLTexUnit::eTextureAddressMode::TAM_CLAMP);
- m_transmittance->setFilteringOption(LLTexUnit::eTextureFilterOptions::TFO_BILINEAR);
- m_transmittance->setExplicitFormat(GL_RGB16F_ARB, GL_RGB, GL_FLOAT);
- m_transmittance->setTexName(m_textures.transmittance_texture);
- m_transmittance->setTarget(GL_TEXTURE_2D, LLTexUnit::TT_TEXTURE);
-
- m_scattering->generateGLTexture();
- m_scattering->setAddressMode(LLTexUnit::eTextureAddressMode::TAM_CLAMP);
- m_scattering->setFilteringOption(LLTexUnit::eTextureFilterOptions::TFO_BILINEAR);
- m_scattering->setExplicitFormat(GL_RGB16F_ARB, GL_RGB, GL_FLOAT);
- m_scattering->setTexName(m_textures.transmittance_texture);
- m_scattering->setTarget(GL_TEXTURE_3D, LLTexUnit::TT_TEXTURE_3D);
-
- m_mie_scattering->generateGLTexture();
- m_mie_scattering->setAddressMode(LLTexUnit::eTextureAddressMode::TAM_CLAMP);
- m_mie_scattering->setFilteringOption(LLTexUnit::eTextureFilterOptions::TFO_BILINEAR);
- m_mie_scattering->setExplicitFormat(GL_RGB16F_ARB, GL_RGB, GL_FLOAT);
- m_mie_scattering->setTexName(m_textures.transmittance_texture);
- m_mie_scattering->setTarget(GL_TEXTURE_3D, LLTexUnit::TT_TEXTURE_3D);
-};
-
-LLAtmosphere::~LLAtmosphere()
-{
- // Cease referencing textures from atmosphere::model from our LLGLTextures wrappers for same.
- m_transmittance->setTexName(0);
- m_scattering->setTexName(0);
- m_mie_scattering->setTexName(0);
+ if (m_model)
+ {
+ m_model->Init(m_config, m_textures);
+ getTransmittance()->setTexName(m_textures.transmittance_texture);
+ getScattering()->setTexName(m_textures.scattering_texture);
+ getMieScattering()->setTexName(m_textures.single_mie_scattering_texture);
+ getIlluminance()->setTexName(m_textures.illuminance_texture);
+ }
- delete m_model;
- m_model = nullptr;
+ return m_model != nullptr;
}
-LLGLTexture* LLAtmosphere::getTransmittance() const
+LLGLTexture* LLAtmosphere::getTransmittance()
{
+ if (!m_transmittance)
+ {
+ m_transmittance = new LLGLTexture;
+ m_transmittance->generateGLTexture();
+ m_transmittance->setAddressMode(LLTexUnit::eTextureAddressMode::TAM_CLAMP);
+ m_transmittance->setFilteringOption(LLTexUnit::eTextureFilterOptions::TFO_BILINEAR);
+ m_transmittance->setExplicitFormat(GL_RGB16F_ARB, GL_RGB, GL_FLOAT);
+ m_transmittance->setTarget(GL_TEXTURE_2D, LLTexUnit::TT_TEXTURE);
+ }
return m_transmittance;
}
-LLGLTexture* LLAtmosphere::getScattering() const
+LLGLTexture* LLAtmosphere::getScattering()
{
+ if (!m_scattering)
+ {
+ m_scattering = new LLGLTexture;
+ m_scattering->generateGLTexture();
+ m_scattering->setAddressMode(LLTexUnit::eTextureAddressMode::TAM_CLAMP);
+ m_scattering->setFilteringOption(LLTexUnit::eTextureFilterOptions::TFO_BILINEAR);
+ m_scattering->setExplicitFormat(GL_RGB16F_ARB, GL_RGB, GL_FLOAT);
+ m_scattering->setTarget(GL_TEXTURE_3D, LLTexUnit::TT_TEXTURE_3D);
+ }
return m_scattering;
}
-LLGLTexture* LLAtmosphere::getMieScattering() const
+LLGLTexture* LLAtmosphere::getMieScattering()
+{
+ if (!m_mie_scatter_texture)
+ {
+ m_mie_scatter_texture = new LLGLTexture;
+ m_mie_scatter_texture->generateGLTexture();
+ m_mie_scatter_texture->setAddressMode(LLTexUnit::eTextureAddressMode::TAM_CLAMP);
+ m_mie_scatter_texture->setFilteringOption(LLTexUnit::eTextureFilterOptions::TFO_BILINEAR);
+ m_mie_scatter_texture->setExplicitFormat(GL_RGB16F_ARB, GL_RGB, GL_FLOAT);
+ m_mie_scatter_texture->setTarget(GL_TEXTURE_3D, LLTexUnit::TT_TEXTURE_3D);
+ }
+ return m_mie_scatter_texture;
+}
+
+LLGLTexture* LLAtmosphere::getIlluminance()
{
- return m_mie_scattering;
+ if (!m_illuminance)
+ {
+ m_illuminance = new LLGLTexture;
+ m_illuminance->generateGLTexture();
+ m_illuminance->setAddressMode(LLTexUnit::eTextureAddressMode::TAM_CLAMP);
+ m_illuminance->setFilteringOption(LLTexUnit::eTextureFilterOptions::TFO_BILINEAR);
+ m_illuminance->setExplicitFormat(GL_RGB16F_ARB, GL_RGB, GL_FLOAT);
+ m_illuminance->setTarget(GL_TEXTURE_2D, LLTexUnit::TT_TEXTURE);
+ }
+ return m_illuminance;
}
GLhandleARB LLAtmosphere::getAtmosphericShaderForLink() const
diff --git a/indra/llrender/llatmosphere.h b/indra/llrender/llatmosphere.h
index 6a9d1a4438..0d62a069ac 100644
--- a/indra/llrender/llatmosphere.h
+++ b/indra/llrender/llatmosphere.h
@@ -31,6 +31,36 @@
#include "llgltexture.h"
#include "libatmosphere/model.h"
+typedef std::vector<atmosphere::DensityProfileLayer> DensityProfile;
+
+class AtmosphericModelSettings
+{
+public:
+ AtmosphericModelSettings();
+
+ AtmosphericModelSettings(
+ DensityProfile& rayleighProfile,
+ DensityProfile& mieProfile,
+ DensityProfile& absorptionProfile);
+
+ AtmosphericModelSettings(
+ F32 skyBottomRadius,
+ F32 skyTopRadius,
+ DensityProfile& rayleighProfile,
+ DensityProfile& mieProfile,
+ DensityProfile& absorptionProfile,
+ F32 sunArcRadians,
+ F32 mieAniso);
+
+ F32 m_skyBottomRadius;
+ F32 m_skyTopRadius;
+ DensityProfile m_rayleighProfile;
+ DensityProfile m_mieProfile;
+ DensityProfile m_absorptionProfile;
+ F32 m_sunArcRadians;
+ F32 m_mieAnisotropy;
+};
+
class LLAtmosphere
{
public:
@@ -46,12 +76,15 @@ public:
return *this;
}
- LLGLTexture* getTransmittance() const;
- LLGLTexture* getScattering() const;
- LLGLTexture* getMieScattering() const;
+ LLGLTexture* getTransmittance();
+ LLGLTexture* getScattering();
+ LLGLTexture* getMieScattering();
+ LLGLTexture* getIlluminance();
GLhandleARB getAtmosphericShaderForLink() const;
+ bool configureAtmosphericModel(AtmosphericModelSettings& settings);
+
protected:
LLAtmosphere(const LLAtmosphere& rhs)
{
@@ -64,7 +97,16 @@ protected:
LLPointer<LLGLTexture> m_transmittance;
LLPointer<LLGLTexture> m_scattering;
- LLPointer<LLGLTexture> m_mie_scattering;
+ LLPointer<LLGLTexture> m_mie_scatter_texture;
+ LLPointer<LLGLTexture> m_illuminance;
+
+ std::vector<double> m_wavelengths;
+ std::vector<double> m_solar_irradiance;
+ std::vector<double> m_rayleigh_scattering;
+ std::vector<double> m_mie_scattering;
+ std::vector<double> m_mie_extinction;
+ std::vector<double> m_absorption_extinction;
+ std::vector<double> m_ground_albedo;
};
extern LLAtmosphere* gAtmosphere;
diff --git a/indra/llrender/llglslshader.cpp b/indra/llrender/llglslshader.cpp
index 37a62da17c..b027a24017 100644
--- a/indra/llrender/llglslshader.cpp
+++ b/indra/llrender/llglslshader.cpp
@@ -84,6 +84,9 @@ LLShaderFeatures::LLShaderFeatures()
, hasObjectSkinning(false)
, hasAtmospherics(false)
, hasGamma(false)
+ , hasSrgb(false)
+ , encodesNormal(false)
+ , decodesNormal(false)
, mIndexedTextureChannels(0)
, disableTextureIndex(false)
, hasAlphaMask(false)
@@ -542,11 +545,7 @@ BOOL LLGLSLShader::mapAttributes(const std::vector<LLStaticHashedString> * attri
mAttribute.clear();
U32 numAttributes = (attributes == NULL) ? 0 : attributes->size();
-#if LL_RELEASE_WITH_DEBUG_INFO
- mAttribute.resize(LLShaderMgr::instance()->mReservedAttribs.size() + numAttributes, { -1, NULL });
-#else
mAttribute.resize(LLShaderMgr::instance()->mReservedAttribs.size() + numAttributes, -1);
-#endif
if (res)
{ //read back channel locations
@@ -560,11 +559,7 @@ BOOL LLGLSLShader::mapAttributes(const std::vector<LLStaticHashedString> * attri
S32 index = glGetAttribLocationARB(mProgramObject, (const GLcharARB *)name);
if (index != -1)
{
-#if LL_RELEASE_WITH_DEBUG_INFO
- mAttribute[i] = { index, name };
-#else
mAttribute[i] = index;
-#endif
mAttributeMask |= 1 << i;
LL_DEBUGS("ShaderLoading") << "Attribute " << name << " assigned to channel " << index << LL_ENDL;
}
@@ -664,7 +659,7 @@ void LLGLSLShader::mapUniform(GLint index, const vector<LLStaticHashedString> *
mUniformMap[hashedName] = location;
LL_DEBUGS("ShaderLoading") << "Uniform " << name << " is at location " << location << LL_ENDL;
-
+
//find the index of this uniform
for (S32 i = 0; i < (S32) LLShaderMgr::instance()->mReservedUniforms.size(); i++)
{
@@ -688,7 +683,7 @@ void LLGLSLShader::mapUniform(GLint index, const vector<LLStaticHashedString> *
std::pair<uniforms_index_t::iterator, bool> result;
S32 index = i + LLShaderMgr::instance()->mReservedUniforms.size();
- if ((*uniforms)[i].String() == name)
+ if ((*uniforms)[i] == hashedName)
{
result = mUniform.insert(uniforms_index_t::value_type(index, location));
if (result.second)
@@ -1231,7 +1226,6 @@ void LLGLSLShader::uniformMatrix4fv(U32 index, U32 count, GLboolean transpose, c
if (mProgramObject)
{
GLint location = getLocationForIndex(index);
-
if (location >= 0)
{
glUniformMatrix4fvARB(location, count, transpose, v);
diff --git a/indra/llrender/llglslshader.h b/indra/llrender/llglslshader.h
index 456fba024a..59edd7b36f 100644
--- a/indra/llrender/llglslshader.h
+++ b/indra/llrender/llglslshader.h
@@ -48,6 +48,9 @@ public:
bool hasObjectSkinning;
bool hasAtmospherics;
bool hasGamma;
+ bool hasSrgb;
+ bool encodesNormal;
+ bool decodesNormal;
S32 mIndexedTextureChannels;
bool disableTextureIndex;
bool hasAlphaMask;
diff --git a/indra/llrender/llrender.cpp b/indra/llrender/llrender.cpp
index a8f622d3ff..9067a17baf 100644
--- a/indra/llrender/llrender.cpp
+++ b/indra/llrender/llrender.cpp
@@ -1191,6 +1191,7 @@ void LLRender::syncMatrices()
LLGLSLShader* shader = LLGLSLShader::sCurBoundShaderPtr;
static glh::matrix4f cached_mvp;
+ static glh::matrix4f cached_inv_mdv;
static U32 cached_mvp_mdv_hash = 0xFFFFFFFF;
static U32 cached_mvp_proj_hash = 0xFFFFFFFF;
@@ -1204,12 +1205,18 @@ void LLRender::syncMatrices()
bool mvp_done = false;
U32 i = MM_MODELVIEW;
- if (mMatHash[i] != shader->mMatHash[i])
+ if (mMatHash[MM_MODELVIEW] != shader->mMatHash[MM_MODELVIEW])
{ //update modelview, normal, and MVP
- glh::matrix4f& mat = mMatrix[i][mMatIdx[i]];
+ glh::matrix4f& mat = mMatrix[MM_MODELVIEW][mMatIdx[MM_MODELVIEW]];
- shader->uniformMatrix4fv(name[i], 1, GL_FALSE, mat.m);
- shader->mMatHash[i] = mMatHash[i];
+ // if MDV has changed, update the cached inverse as well
+ if (cached_mvp_mdv_hash != mMatHash[MM_MODELVIEW])
+ {
+ cached_inv_mdv = mat.inverse();
+ }
+
+ shader->uniformMatrix4fv(name[MM_MODELVIEW], 1, GL_FALSE, mat.m);
+ shader->mMatHash[MM_MODELVIEW] = mMatHash[MM_MODELVIEW];
//update normal matrix
S32 loc = shader->getUniformLocation(LLShaderMgr::NORMAL_MATRIX);
@@ -1217,7 +1224,7 @@ void LLRender::syncMatrices()
{
if (cached_normal_hash != mMatHash[i])
{
- cached_normal = mat.inverse().transpose();
+ cached_normal = cached_inv_mdv.transpose();
cached_normal_hash = mMatHash[i];
}
@@ -1233,6 +1240,17 @@ void LLRender::syncMatrices()
shader->uniformMatrix3fv(LLShaderMgr::NORMAL_MATRIX, 1, GL_FALSE, norm_mat);
}
+ if (shader->getUniformLocation(LLShaderMgr::INVERSE_MODELVIEW_MATRIX))
+ {
+ glh::matrix4f ogl_to_cfr = copy_matrix((F32*)OGL_TO_CFR_ROTATION);
+ glh::matrix4f modelview = ogl_to_cfr.inverse() * get_current_modelview();
+
+ glh::matrix4f inv_modelview = modelview.inverse();
+ shader->uniformMatrix4fv(LLShaderMgr::INVERSE_MODELVIEW_MATRIX, 1, FALSE, inv_modelview.m);
+ }
+
+ shader->uniformMatrix4fv(LLShaderMgr::INVERSE_MODELVIEW_MATRIX, 1, GL_FALSE, cached_inv_mdv.m);
+
//update MVP matrix
mvp_done = true;
loc = shader->getUniformLocation(LLShaderMgr::MODELVIEW_PROJECTION_MATRIX);
@@ -1249,17 +1267,22 @@ void LLRender::syncMatrices()
}
shader->uniformMatrix4fv(LLShaderMgr::MODELVIEW_PROJECTION_MATRIX, 1, GL_FALSE, cached_mvp.m);
- }
+ }
}
-
i = MM_PROJECTION;
- if (mMatHash[i] != shader->mMatHash[i])
+ if (mMatHash[MM_PROJECTION] != shader->mMatHash[MM_PROJECTION])
{ //update projection matrix, normal, and MVP
- glh::matrix4f& mat = mMatrix[i][mMatIdx[i]];
+ glh::matrix4f& mat = mMatrix[MM_PROJECTION][mMatIdx[MM_PROJECTION]];
- shader->uniformMatrix4fv(name[i], 1, GL_FALSE, mat.m);
- shader->mMatHash[i] = mMatHash[i];
+ if (shader->getUniformLocation(LLShaderMgr::INVERSE_PROJECTION_MATRIX))
+ {
+ glh::matrix4f inv_proj = mat.inverse();
+ shader->uniformMatrix4fv(LLShaderMgr::INVERSE_PROJECTION_MATRIX, 1, FALSE, inv_proj.m);
+ }
+
+ shader->uniformMatrix4fv(name[MM_PROJECTION], 1, GL_FALSE, mat.m);
+ shader->mMatHash[MM_PROJECTION] = mMatHash[MM_PROJECTION];
if (!mvp_done)
{
@@ -1267,7 +1290,7 @@ void LLRender::syncMatrices()
S32 loc = shader->getUniformLocation(LLShaderMgr::MODELVIEW_PROJECTION_MATRIX);
if (loc > -1)
{
- if (cached_mvp_mdv_hash != mMatHash[i] || cached_mvp_proj_hash != mMatHash[MM_PROJECTION])
+ if (cached_mvp_mdv_hash != mMatHash[MM_PROJECTION] || cached_mvp_proj_hash != mMatHash[MM_PROJECTION])
{
U32 mdv = MM_MODELVIEW;
cached_mvp = mat;
@@ -2332,3 +2355,85 @@ void LLRender::debugTexUnits(void)
LL_INFOS("TextureUnit") << "Active TexUnit Enabled : " << active_enabled << LL_ENDL;
}
+
+
+glh::matrix4f copy_matrix(F32* src)
+{
+ glh::matrix4f ret;
+ ret.set_value(src);
+ return ret;
+}
+
+glh::matrix4f get_current_modelview()
+{
+ return copy_matrix(gGLModelView);
+}
+
+glh::matrix4f get_current_projection()
+{
+ return copy_matrix(gGLProjection);
+}
+
+glh::matrix4f get_last_modelview()
+{
+ return copy_matrix(gGLLastModelView);
+}
+
+glh::matrix4f get_last_projection()
+{
+ return copy_matrix(gGLLastProjection);
+}
+
+void copy_matrix(const glh::matrix4f& src, F32* dst)
+{
+ for (U32 i = 0; i < 16; i++)
+ {
+ dst[i] = src.m[i];
+ }
+}
+
+void set_current_modelview(const glh::matrix4f& mat)
+{
+ copy_matrix(mat, gGLModelView);
+}
+
+void set_current_projection(glh::matrix4f& mat)
+{
+ copy_matrix(mat, gGLProjection);
+}
+
+glh::matrix4f gl_ortho(GLfloat left, GLfloat right, GLfloat bottom, GLfloat top, GLfloat znear, GLfloat zfar)
+{
+ glh::matrix4f ret(
+ 2.f/(right-left), 0.f, 0.f, -(right+left)/(right-left),
+ 0.f, 2.f/(top-bottom), 0.f, -(top+bottom)/(top-bottom),
+ 0.f, 0.f, -2.f/(zfar-znear), -(zfar+znear)/(zfar-znear),
+ 0.f, 0.f, 0.f, 1.f);
+
+ return ret;
+}
+
+glh::matrix4f gl_perspective(GLfloat fovy, GLfloat aspect, GLfloat zNear, GLfloat zFar)
+{
+ GLfloat f = 1.f/tanf(DEG_TO_RAD*fovy/2.f);
+
+ return glh::matrix4f(f/aspect, 0, 0, 0,
+ 0, f, 0, 0,
+ 0, 0, (zFar+zNear)/(zNear-zFar), (2.f*zFar*zNear)/(zNear-zFar),
+ 0, 0, -1.f, 0);
+}
+
+glh::matrix4f gl_lookat(LLVector3 eye, LLVector3 center, LLVector3 up)
+{
+ LLVector3 f = center-eye;
+ f.normVec();
+ up.normVec();
+ LLVector3 s = f % up;
+ LLVector3 u = s % f;
+
+ return glh::matrix4f(s[0], s[1], s[2], 0,
+ u[0], u[1], u[2], 0,
+ -f[0], -f[1], -f[2], 0,
+ 0, 0, 0, 1);
+
+} \ No newline at end of file
diff --git a/indra/llrender/llrender.h b/indra/llrender/llrender.h
index 6f22f1d8cb..ceebc7000b 100644
--- a/indra/llrender/llrender.h
+++ b/indra/llrender/llrender.h
@@ -496,4 +496,29 @@ extern S32 gGLViewport[4];
extern LLRender gGL;
+// This rotation matrix moves the default OpenGL reference frame
+// (-Z at, Y up) to Cory's favorite reference frame (X at, Z up)
+const F32 OGL_TO_CFR_ROTATION[16] = { 0.f, 0.f, -1.f, 0.f, // -Z becomes X
+ -1.f, 0.f, 0.f, 0.f, // -X becomes Y
+ 0.f, 1.f, 0.f, 0.f, // Y becomes Z
+ 0.f, 0.f, 0.f, 1.f };
+
+const F32 XYZ_TO_OGL_ROTATION[16] = { 1.f, 0.f, 0.f, 0.f, // X stays X
+ 0.f, 0.f, -1.f, 0.f, // Z becomes -Y
+ 0.f, 1.f, 0.f, 0.f, // Y becomes Z
+ 0.f, 0.f, 0.f, 1.f };
+
+glh::matrix4f copy_matrix(F32* src);
+glh::matrix4f get_current_modelview();
+glh::matrix4f get_current_projection();
+glh::matrix4f get_last_modelview();
+glh::matrix4f get_last_projection();
+
+void copy_matrix(const glh::matrix4f& src, F32* dst);
+void set_current_modelview(const glh::matrix4f& mat);
+void set_current_projection(glh::matrix4f& mat);
+
+glh::matrix4f gl_ortho(GLfloat left, GLfloat right, GLfloat bottom, GLfloat top, GLfloat znear, GLfloat zfar);
+glh::matrix4f gl_perspective(GLfloat fovy, GLfloat aspect, GLfloat zNear, GLfloat zFar);
+glh::matrix4f gl_lookat(LLVector3 eye, LLVector3 center, LLVector3 up);
#endif
diff --git a/indra/llrender/llshadermgr.cpp b/indra/llrender/llshadermgr.cpp
index 287f22783f..aa54a5f040 100644
--- a/indra/llrender/llshadermgr.cpp
+++ b/indra/llrender/llshadermgr.cpp
@@ -35,6 +35,8 @@
#include "OpenGL/OpenGL.h"
#endif
+#pragma optimize("", off)
+
#ifdef LL_RELEASE_FOR_DOWNLOAD
#define UNIFORM_ERRS LL_WARNS_ONCE("Shader")
#else
@@ -98,7 +100,7 @@ BOOL LLShaderMgr::attachShaderFeatures(LLGLSLShader * shader)
}
}
- if (features->calculatesLighting || features->atmosphericHelpers)
+ if (features->calculatesLighting || features->calculatesAtmospherics)
{
if (!shader->attachObject("windlight/atmosphericsHelpersV.glsl"))
{
@@ -194,6 +196,14 @@ BOOL LLShaderMgr::attachShaderFeatures(LLGLSLShader * shader)
}
}
+ if (features->calculatesLighting || features->calculatesAtmospherics)
+ {
+ if (!shader->attachObject("windlight/atmosphericsHelpersF.glsl"))
+ {
+ return FALSE;
+ }
+ }
+
// NOTE order of shader object attaching is VERY IMPORTANT!!!
if (features->hasGamma)
{
@@ -202,7 +212,31 @@ BOOL LLShaderMgr::attachShaderFeatures(LLGLSLShader * shader)
return FALSE;
}
}
-
+
+ if (features->hasSrgb)
+ {
+ if (!shader->attachObject("environment/srgbF.glsl"))
+ {
+ return FALSE;
+ }
+ }
+
+ if (features->encodesNormal)
+ {
+ if (!shader->attachObject("environment/encodeNormF.glsl"))
+ {
+ return FALSE;
+ }
+ }
+
+ if (features->decodesNormal)
+ {
+ if (!shader->attachObject("environment/decodeNormF.glsl"))
+ {
+ return FALSE;
+ }
+ }
+
if (features->hasAtmospherics)
{
if (!shader->attachObject("windlight/atmosphericsF.glsl"))
@@ -520,8 +554,8 @@ void LLShaderMgr::dumpObjectLog(GLhandleARB ret, BOOL warns, const std::string&
if (log.length() > 0)
{
- LL_INFOS() << "Shader loading from " << fname << ":\n" << LL_ENDL;
- LL_INFOS() << log << LL_ENDL;
+ LL_INFOS("ShaderErrors") << "Shader loading from " << fname << ":\n" << LL_ENDL;
+ LL_INFOS("ShaderErrors") << log << LL_ENDL;
}
}
@@ -1069,6 +1103,7 @@ void LLShaderMgr::initAttribsAndUniforms()
mReservedUniforms.push_back("projection_matrix");
mReservedUniforms.push_back("inv_proj");
mReservedUniforms.push_back("modelview_projection_matrix");
+ mReservedUniforms.push_back("inv_modelview");
mReservedUniforms.push_back("normal_matrix");
mReservedUniforms.push_back("texture_matrix0");
mReservedUniforms.push_back("texture_matrix1");
@@ -1274,8 +1309,8 @@ void LLShaderMgr::initAttribsAndUniforms()
mReservedUniforms.push_back("transmittance_texture");
mReservedUniforms.push_back("scattering_texture");
- mReservedUniforms.push_back("irradiance_texture");
mReservedUniforms.push_back("single_mie_scattering_texture");
+ mReservedUniforms.push_back("irradiance_texture");
llassert(mReservedUniforms.size() == END_RESERVED_UNIFORMS);
diff --git a/indra/llrender/llshadermgr.h b/indra/llrender/llshadermgr.h
index ac3f7d58d5..fa2a9f03be 100644
--- a/indra/llrender/llshadermgr.h
+++ b/indra/llrender/llshadermgr.h
@@ -47,6 +47,7 @@ public:
PROJECTION_MATRIX,
INVERSE_PROJECTION_MATRIX,
MODELVIEW_PROJECTION_MATRIX,
+ INVERSE_MODELVIEW_MATRIX,
NORMAL_MATRIX,
TEXTURE_MATRIX0,
TEXTURE_MATRIX1,
@@ -229,8 +230,8 @@ public:
// precomputed textures from libatmosphere
TRANSMITTANCE_TEX,
SCATTER_TEX,
- ILLUMINANCE_TEX,
SINGLE_MIE_SCATTER_TEX,
+ ILLUMINANCE_TEX,
END_RESERVED_UNIFORMS
} eGLSLReservedUniforms;
diff --git a/indra/llrender/llvertexbuffer.cpp b/indra/llrender/llvertexbuffer.cpp
index e3e605d040..a33f84518f 100644
--- a/indra/llrender/llvertexbuffer.cpp
+++ b/indra/llrender/llvertexbuffer.cpp
@@ -198,7 +198,7 @@ volatile U8* LLVBOPool::allocate(U32& name, U32 size, bool for_seed)
}
else
{ //always use a true hint of static draw when allocating non-client-backed buffers
- glBufferDataARB(mType, size, 0, GL_STATIC_DRAW_ARB);
+ glBufferDataARB(mType, size, 0, GL_STATIC_DRAW_ARB);
}
glBindBufferARB(mType, 0);