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Yet more atmosphere removal

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This commit is contained in:
Brad Davis 2016-01-20 10:14:09 -08:00
parent 3e7f29a0aa
commit f9f9ddd8bd
18 changed files with 7 additions and 749 deletions
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4
interface/src/Application.cpp
View file

@ -3651,8 +3651,7 @@ namespace render {
"Application::payloadRender<BackgroundRenderData>() ... stars...");
// should be the first rendering pass - w/o depth buffer / lighting
// compute starfield alpha based on distance from atmosphere
float alpha = 1.0f;
static const float alpha = 1.0f;
background->_stars.render(args, alpha);
}
}
@ -3736,7 +3735,6 @@ void Application::displaySide(RenderArgs* renderArgs, Camera& theCamera, bool se
DependencyManager::get<DeferredLightingEffect>()->setAmbientLightMode(getRenderAmbientLight());
auto skyStage = DependencyManager::get<SceneScriptingInterface>()->getSkyStage();
DependencyManager::get<DeferredLightingEffect>()->setGlobalLight(skyStage->getSunLight()->getDirection(), skyStage->getSunLight()->getColor(), skyStage->getSunLight()->getIntensity(), skyStage->getSunLight()->getAmbientIntensity());
DependencyManager::get<DeferredLightingEffect>()->setGlobalAtmosphere(skyStage->getAtmosphere());
auto skybox = model::SkyboxPointer();
if (skyStage->getBackgroundMode() == model::SunSkyStage::SKY_BOX) {

10
libraries/entities-renderer/src/EntityTreeRenderer.cpp
View file

@ -277,7 +277,7 @@ void EntityTreeRenderer::applyZonePropertiesToScene(std::shared_ptr<ZoneEntityIt
_hasPreviousZone = false;
}
skyStage->setBackgroundMode(model::SunSkyStage::SKY_DOME); // let the application atmosphere through
skyStage->setBackgroundMode(model::SunSkyStage::SKY_DOME); // let the application background through
return; // Early exit
}
@ -307,12 +307,6 @@ void EntityTreeRenderer::applyZonePropertiesToScene(std::shared_ptr<ZoneEntityIt
sceneTime->setDay(zone->getStageProperties().calculateDay());
switch (zone->getBackgroundMode()) {
case BACKGROUND_MODE_ATMOSPHERE: {
skyStage->setBackgroundMode(model::SunSkyStage::SKY_DOME);
_pendingSkyboxTexture = false;
_skyboxTexture.clear();
break;
}
case BACKGROUND_MODE_SKYBOX: {
auto skybox = std::dynamic_pointer_cast<ProceduralSkybox>(skyStage->getSkybox());
skybox->setColor(zone->getSkyboxProperties().getColorVec3());
@ -347,7 +341,7 @@ void EntityTreeRenderer::applyZonePropertiesToScene(std::shared_ptr<ZoneEntityIt
break;
}
case BACKGROUND_MODE_INHERIT:
skyStage->setBackgroundMode(model::SunSkyStage::SKY_DOME); // let the application atmosphere through
skyStage->setBackgroundMode(model::SunSkyStage::SKY_DOME); // let the application background through
_pendingSkyboxTexture = false;
_skyboxTexture.clear();
break;

3
libraries/entities/src/EntityItemProperties.cpp
View file

@ -184,7 +184,7 @@ void EntityItemProperties::setShapeTypeFromString(const QString& shapeName) {
}
}
const char* backgroundModeNames[] = {"inherit", "atmosphere", "skybox" };
const char* backgroundModeNames[] = {"inherit", "skybox" };
QHash<QString, BackgroundMode> stringToBackgroundModeLookup;
@ -194,7 +194,6 @@ void addBackgroundMode(BackgroundMode type) {
void buildStringToBackgroundModeLookup() {
addBackgroundMode(BACKGROUND_MODE_INHERIT);
addBackgroundMode(BACKGROUND_MODE_ATMOSPHERE);
addBackgroundMode(BACKGROUND_MODE_SKYBOX);
}

7
libraries/entities/src/EntityPropertyFlags.h
View file

@ -197,13 +197,6 @@ enum EntityPropertyList {
PROP_STAGE_DAY = PROP_LINEAR_ATTENUATION_UNUSED,
PROP_STAGE_HOUR = PROP_QUADRATIC_ATTENUATION_UNUSED,
PROP_STAGE_AUTOMATIC_HOURDAY = PROP_ANIMATION_FRAME_INDEX,
PROP_ATMOSPHERE_CENTER = PROP_MAX_PARTICLES,
PROP_ATMOSPHERE_INNER_RADIUS = PROP_LIFESPAN,
PROP_ATMOSPHERE_OUTER_RADIUS = PROP_EMIT_RATE,
PROP_ATMOSPHERE_MIE_SCATTERING = PROP_EMIT_SPEED,
PROP_ATMOSPHERE_RAYLEIGH_SCATTERING = PROP_EMIT_STRENGTH,
PROP_ATMOSPHERE_SCATTERING_WAVELENGTHS = PROP_EMIT_ACCELERATION,
PROP_ATMOSPHERE_HAS_STARS = PROP_PARTICLE_RADIUS,
PROP_BACKGROUND_MODE = PROP_MODEL_URL,
PROP_SKYBOX_COLOR = PROP_ANIMATION_URL,
PROP_SKYBOX_URL = PROP_ANIMATION_FPS,

245
libraries/model/src/model/Atmosphere.slh
View file

@ -1,245 +0,0 @@
<!
// Atmospheric.slh
//
// Created by Sam Gateau on 3/9/15.
// Copyright 2015 High Fidelity, Inc.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
!>
<@if not MODEL_ATMOSPHERE_SLH@>
<@def MODEL_ATMOSPHERE_SLH@>
<!
// Code is a modified version of:
// http://http.developer.nvidia.com/GPUGems/gpugems_app01.html
// Atmospheric scattering fragment shader
//
// Author: Sean O'Neil
//
// Copyright (c) 2004 Sean O'Neil
//
// For licensing information, see http://http.developer.nvidia.com/GPUGems/gpugems_app01.html:
//
// NVIDIA Statement on the Software
//
// The source code provided is freely distributable, so long as the NVIDIA header remains unaltered and user modifications are
// detailed.
//
// No Warranty
//
// THE SOFTWARE AND ANY OTHER MATERIALS PROVIDED BY NVIDIA ON THE ENCLOSED CD-ROM ARE PROVIDED "AS IS." NVIDIA DISCLAIMS ALL
// WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF TITLE, MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
//
// Limitation of Liability
//
// NVIDIA SHALL NOT BE LIABLE TO ANY USER, DEVELOPER, DEVELOPER'S CUSTOMERS, OR ANY OTHER PERSON OR ENTITY CLAIMING THROUGH OR
// UNDER DEVELOPER FOR ANY LOSS OF PROFITS, INCOME, SAVINGS, OR ANY OTHER CONSEQUENTIAL, INCIDENTAL, SPECIAL, PUNITIVE, DIRECT
// OR INDIRECT DAMAGES (WHETHER IN AN ACTION IN CONTRACT, TORT OR BASED ON A WARRANTY), EVEN IF NVIDIA HAS BEEN ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS SHALL APPLY NOTWITHSTANDING ANY FAILURE OF THE ESSENTIAL PURPOSE OF ANY
// LIMITED REMEDY. IN NO EVENT SHALL NVIDIA'S AGGREGATE LIABILITY TO DEVELOPER OR ANY OTHER PERSON OR ENTITY CLAIMING THROUGH
// OR UNDER DEVELOPER EXCEED THE AMOUNT OF MONEY ACTUALLY PAID BY DEVELOPER TO NVIDIA FOR THE SOFTWARE OR ANY OTHER MATERIALS.
//
!>
struct Atmosphere {
vec4 _invWaveLength;
vec4 _radiuses;
vec4 _scales;
vec4 _scatterings;
vec4 _control;
};
const int numSamples = 2;
vec3 getAtmosphereInvWaveLength(Atmosphere a) { return a._invWaveLength.xyz; } // 1 / pow(wavelength, 4) for the red, green, and blue channels
float getAtmosphereInnerRadius(Atmosphere a) { return a._radiuses.x; } // The inner (planetary) radius
float getAtmosphereOuterRadius(Atmosphere a) { return a._radiuses.y; } // The outer (atmosphere) radius
float getAtmosphereScale(Atmosphere a) { return a._scales.x; } // 1 / (outerRadius - innerRadius)
float getAtmosphereScaleDepth(Atmosphere a) { return a._scales.y; } // The scale depth (i.e. the altitude at which the atmosphere's average density is found)
float getAtmosphereScaleOverScaleDepth(Atmosphere a) { return a._scales.z; } // scale / scaleDepth
vec4 getAtmosphereScattering(Atmosphere a) { return a._scatterings; } // The full Mie and Rayleigh scattering coefficients
float getAtmosphereKrESun(Atmosphere a) { return a._scatterings.x; } // Kr * ESun
float getAtmosphereKmESun(Atmosphere a) { return a._scatterings.y; } // Km * ESun
float getAtmosphereKr4PI(Atmosphere a) { return a._scatterings.z; } // Kr * 4 * PI
float getAtmosphereKm4PI(Atmosphere a) { return a._scatterings.w; } // Km * 4 * PI
float getAtmosphereNumSamples(Atmosphere a) { return a._control.x; } // numSamples
vec2 getAtmosphereGAndG2(Atmosphere a) { return a._control.yz; } // g and g2
float atmosphereScale(float scaleDepth, float fCos)
{
float x = 1.0 - fCos;
return scaleDepth * exp(-0.00287 + x*(0.459 + x*(3.83 + x*(-6.80 + x*5.25))));
}
vec4 evalAtmosphereContribution(Atmosphere atmospheric, vec3 position, vec3 cameraPos, vec3 lightPos) {
float fInnerRadius = getAtmosphereInnerRadius(atmospheric);
float fSamples = getAtmosphereNumSamples(atmospheric);
vec3 v3InvWavelength = getAtmosphereInvWaveLength(atmospheric);
vec4 scatteringCoefs = getAtmosphereScattering(atmospheric);
float fKrESun = scatteringCoefs.x;
float fKmESun = scatteringCoefs.y;
float fKr4PI = scatteringCoefs.z;
float fKm4PI = scatteringCoefs.w;
vec2 gAndg2 = getAtmosphereGAndG2(atmospheric);
float g = gAndg2.x;
float g2 = gAndg2.y;
float fScale = getAtmosphereScale(atmospheric);
float fScaleDepth = getAtmosphereScaleDepth(atmospheric);
float fScaleOverScaleDepth = getAtmosphereScaleOverScaleDepth(atmospheric);
// Get the ray from the camera to the vertex, and its length (which is the far point of the ray passing through the atmosphere)
vec3 v3Pos = position;
vec3 v3Ray = v3Pos - cameraPos;
float fFar = length(v3Ray);
v3Ray /= fFar;
// Calculate the ray's starting position, then calculate its scattering offset
vec3 v3Start = cameraPos;
float fHeight = length(v3Start);
float fDepthStart = exp(fScaleOverScaleDepth * (fInnerRadius - fHeight));
float fStartAngle = dot(v3Ray, v3Start) / fHeight;
float fStartOffset = fDepthStart * atmosphereScale(fScaleDepth, fStartAngle);
// Initialize the scattering loop variables
//gl_FrontColor = vec4(0.0, 0.0, 0.0, 0.0);
float fSampleLength = fFar / fSamples;
float fScaledLength = fSampleLength * fScale;
vec3 v3SampleRay = v3Ray * fSampleLength;
vec3 v3SamplePoint = v3Start + v3SampleRay * 0.5;
// Now loop through the sample rays
vec3 v3FrontColor = vec3(0.0, 0.0, 0.0);
// int nSamples = numSamples;
int nSamples = int(fSamples);
for(int i=0; i<nSamples; i++)
{
float fHeight = length(v3SamplePoint);
float fDepth = exp(fScaleOverScaleDepth * (fInnerRadius - fHeight));
float fLightAngle = dot(lightPos, v3SamplePoint) / fHeight;
float fCameraAngle = dot((v3Ray), v3SamplePoint) / fHeight * 0.99;
float fScatter = (fStartOffset + fDepth * (atmosphereScale(fScaleDepth, fLightAngle) - atmosphereScale(fScaleDepth, fCameraAngle)));
vec3 v3Attenuate = exp(-fScatter * (v3InvWavelength * fKr4PI + fKm4PI));
v3FrontColor += v3Attenuate * (fDepth * fScaledLength);
v3SamplePoint += v3SampleRay;
}
// Finally, scale the Mie and Rayleigh colors and set up the varying variables for the pixel shader
vec3 secondaryFrontColor = v3FrontColor * fKmESun;
vec3 frontColor = v3FrontColor * (v3InvWavelength * fKrESun);
vec3 v3Direction = cameraPos - v3Pos;
float fCos = dot(lightPos, v3Direction) / length(v3Direction);
float fMiePhase = 1.5 * ((1.0 - g2) / (2.0 + g2)) * (1.0 + fCos*fCos) / pow(1.0 + g2 - 2.0*g*fCos, 1.5);
vec4 finalColor;
finalColor.rgb = frontColor.rgb + fMiePhase * secondaryFrontColor.rgb;
finalColor.a = finalColor.b;
finalColor.rgb = pow(finalColor.rgb, vec3(1.0/2.2));
return finalColor;
}
<@if GLPROFILE == PC_GL@>
uniform atmosphereBuffer {
Atmosphere _atmosphere;
};
Atmosphere getAtmosphere() {
return _atmosphere;
}
<@else@>
uniform vec4 atmosphereBuffer[9];
Atmosphere getAtmosphere() {
Atmosphere atmosphere;
atmosphere._invWaveLength = atmosphereBuffer[0];
atmosphere._radiuses = atmosphereBuffer[1];
atmosphere._scales = atmosphereBuffer[2];
atmosphere._scatterings = atmosphereBuffer[3];
atmosphere._control = atmosphereBuffer[4];
return atmosphere;
}
<@endif@>
<!
/*
// uniform vec3 v3CameraPos; // The camera's current position
const int nSamples = 2;
const float fSamples = 2.0;
uniform vec3 v3LightPos;
uniform float g;
uniform float g2;
varying vec3 position;
float scale(float fCos)
{
float x = 1.0 - fCos;
return fScaleDepth * exp(-0.00287 + x*(0.459 + x*(3.83 + x*(-6.80 + x*5.25))));
}
void main (void)
{
// Get the ray from the camera to the vertex, and its length (which is the far point of the ray passing through the atmosphere)
vec3 v3Pos = position;
vec3 v3Ray = v3Pos - v3CameraPos;
float fFar = length(v3Ray);
v3Ray /= fFar;
// Calculate the ray's starting position, then calculate its scattering offset
vec3 v3Start = v3CameraPos;
float fHeight = length(v3Start);
float fDepth = exp(fScaleOverScaleDepth * (fInnerRadius - fHeight));
float fStartAngle = dot(v3Ray, v3Start) / fHeight;
float fStartOffset = fDepth * scale(fStartAngle);
// Initialize the scattering loop variables
//gl_FrontColor = vec4(0.0, 0.0, 0.0, 0.0);
float fSampleLength = fFar / fSamples;
float fScaledLength = fSampleLength * fScale;
vec3 v3SampleRay = v3Ray * fSampleLength;
vec3 v3SamplePoint = v3Start + v3SampleRay * 0.5;
// Now loop through the sample rays
vec3 v3FrontColor = vec3(0.0, 0.0, 0.0);
for(int i=0; i<nSamples; i++)
{
float fHeight = length(v3SamplePoint);
float fDepth = exp(fScaleOverScaleDepth * (fInnerRadius - fHeight));
float fLightAngle = dot(v3LightPos, v3SamplePoint) / fHeight;
float fCameraAngle = dot((v3Ray), v3SamplePoint) / fHeight * 0.99;
float fScatter = (fStartOffset + fDepth * (scale(fLightAngle) - scale(fCameraAngle)));
vec3 v3Attenuate = exp(-fScatter * (v3InvWavelength * fKr4PI + fKm4PI));
v3FrontColor += v3Attenuate * (fDepth * fScaledLength);
v3SamplePoint += v3SampleRay;
}
// Finally, scale the Mie and Rayleigh colors and set up the varying variables for the pixel shader
vec3 secondaryFrontColor = v3FrontColor * fKmESun;
vec3 frontColor = v3FrontColor * (v3InvWavelength * fKrESun);
vec3 v3Direction = v3CameraPos - v3Pos;
float fCos = dot(v3LightPos, v3Direction) / length(v3Direction);
float fMiePhase = 1.5 * ((1.0 - g2) / (2.0 + g2)) * (1.0 + fCos*fCos) / pow(1.0 + g2 - 2.0*g*fCos, 1.5);
outFragColor.rgb = frontColor.rgb + fMiePhase * secondaryFrontColor.rgb;
outFragColor.a = outFragColor.b;
outFragColor.rgb = pow(outFragColor.rgb, vec3(1.0/2.2));
}
*/
!>
<@endif@>

50
libraries/model/src/model/Stage.cpp
View file

@ -133,56 +133,6 @@ void EarthSunModel::setSunLongitude(float lon) {
invalidate();
}
Atmosphere::Atmosphere() {
// only if created from nothing shall we create the Buffer to store the properties
Data data;
_dataBuffer = gpu::BufferView(std::make_shared<gpu::Buffer>(sizeof(Data), (const gpu::Byte*) &data));
setScatteringWavelength(_scatteringWavelength);
setRayleighScattering(_rayleighScattering);
setInnerOuterRadiuses(getInnerRadius(), getOuterRadius());
}
void Atmosphere::setScatteringWavelength(Vec3 wavelength) {
_scatteringWavelength = wavelength;
Data& data = editData();
data._invWaveLength = Vec4(1.0f / powf(wavelength.x, 4.0f), 1.0f / powf(wavelength.y, 4.0f), 1.0f / powf(wavelength.z, 4.0f), 0.0f);
}
void Atmosphere::setRayleighScattering(float scattering) {
_rayleighScattering = scattering;
updateScattering();
}
void Atmosphere::setMieScattering(float scattering) {
_mieScattering = scattering;
updateScattering();
}
void Atmosphere::setSunBrightness(float brightness) {
_sunBrightness = brightness;
updateScattering();
}
void Atmosphere::updateScattering() {
Data& data = editData();
data._scatterings.x = getRayleighScattering() * getSunBrightness();
data._scatterings.y = getMieScattering() * getSunBrightness();
data._scatterings.z = getRayleighScattering() * 4.0f * glm::pi<float>();
data._scatterings.w = getMieScattering() * 4.0f * glm::pi<float>();
}
void Atmosphere::setInnerOuterRadiuses(float inner, float outer) {
Data& data = editData();
data._radiuses.x = inner;
data._radiuses.y = outer;
data._scales.x = 1.0f / (outer - inner);
data._scales.z = data._scales.x / data._scales.y;
}
const int NUM_DAYS_PER_YEAR = 365;
const float NUM_HOURS_PER_DAY = 24.0f;
const float NUM_HOURS_PER_HALF_DAY = NUM_HOURS_PER_DAY * 0.5f;

56
libraries/model/src/model/Stage.h
View file

@ -107,60 +107,6 @@ protected:
static Mat4d evalWorldToGeoLocationMat(double longitude, double latitude, double altitude, double scale);
};
class Atmosphere {
public:
Atmosphere();
Atmosphere(const Atmosphere& atmosphere);
Atmosphere& operator= (const Atmosphere& atmosphere);
virtual ~Atmosphere() {};
void setScatteringWavelength(Vec3 wavelength);
const Vec3& getScatteringWavelength() const { return _scatteringWavelength; }
void setRayleighScattering(float scattering);
float getRayleighScattering() const { return _rayleighScattering; }
void setMieScattering(float scattering);
float getMieScattering() const { return _mieScattering; }
void setSunBrightness(float brightness);
float getSunBrightness() const { return _sunBrightness; }
void setInnerOuterRadiuses(float inner, float outer);
float getInnerRadius() const { return getData()._radiuses.x; }
float getOuterRadius() const { return getData()._radiuses.y; }
// Data to access the attribute values of the atmosphere
class Data {
public:
Vec4 _invWaveLength = Vec4(0.0f);
Vec4 _radiuses = Vec4(6000.0f, 6025.0f, 0.0f, 0.0f);
Vec4 _scales = Vec4(0.0f, 0.25f, 0.0f, 0.0f);
Vec4 _scatterings = Vec4(0.0f);
Vec4 _control = Vec4(2.0f, -0.990f, -0.990f*-0.990f, 0.f);
Data() {}
};
const UniformBufferView& getDataBuffer() const { return _dataBuffer; }
protected:
UniformBufferView _dataBuffer;
Vec3 _scatteringWavelength = Vec3(0.650f, 0.570f, 0.475f);
float _rayleighScattering = 0.0025f;
float _mieScattering = 0.0010f;
float _sunBrightness = 20.0f;
const Data& getData() const { return _dataBuffer.get<Data>(); }
Data& editData() { return _dataBuffer.edit<Data>(); }
void updateScattering();
};
typedef std::shared_ptr< Atmosphere > AtmospherePointer;
// Sun sky stage generates the rendering primitives to display a scene realistically
// at the specified location and time around earth
class SunSkyStage {
@ -209,7 +155,6 @@ public:
const Vec3& getSunDirection() const { return getSunLight()->getDirection(); }
LightPointer getSunLight() const { valid(); return _sunLight; }
AtmospherePointer getAtmosphere() const { valid(); return _atmosphere; }
enum BackgroundMode {
NO_BACKGROUND = 0,
@ -229,7 +174,6 @@ protected:
BackgroundMode _backgroundMode = SKY_BOX;
LightPointer _sunLight;
AtmospherePointer _atmosphere;
mutable SkyboxPointer _skybox;
float _dayTime = 12.0f;

2
libraries/networking/src/udt/PacketHeaders.cpp
View file

@ -41,7 +41,7 @@ PacketVersion versionForPacketType(PacketType packetType) {
case PacketType::EntityAdd:
case PacketType::EntityEdit:
case PacketType::EntityData:
return VERSION_ENTITITES_HAVE_COLLISION_MASK;
return VERSION_ATMOSPHERE_REMOVED;
case PacketType::AvatarData:
case PacketType::BulkAvatarData:
return static_cast<PacketVersion>(AvatarMixerPacketVersion::SoftAttachmentSupport);

1
libraries/networking/src/udt/PacketHeaders.h
View file

@ -165,6 +165,7 @@ const PacketVersion VERSION_ENTITIES_REMOVED_START_AUTOMATICALLY_FROM_ANIMATION_
const PacketVersion VERSION_MODEL_ENTITIES_JOINTS_ON_WIRE = 53;
const PacketVersion VERSION_ENTITITES_HAVE_QUERY_BOX = 54;
const PacketVersion VERSION_ENTITITES_HAVE_COLLISION_MASK = 55;
const PacketVersion VERSION_ATMOSPHERE_REMOVED = 56;
enum class AvatarMixerPacketVersion : PacketVersion {
TranslationSupport = 17,

9
libraries/render-utils/src/DeferredLightingEffect.cpp
View file

@ -42,7 +42,6 @@ struct LightLocations {
int radius;
int ambientSphere;
int lightBufferUnit;
int atmosphereBufferUnit;
int texcoordMat;
int coneParam;
int deferredTransformBuffer;
@ -329,10 +328,7 @@ void DeferredLightingEffect::render(RenderArgs* args) {
if (locations->lightBufferUnit >= 0) {
batch.setUniformBuffer(locations->lightBufferUnit, globalLight->getSchemaBuffer());
}
if (_atmosphere && (locations->atmosphereBufferUnit >= 0)) {
batch.setUniformBuffer(locations->atmosphereBufferUnit, _atmosphere->getDataBuffer());
}
}
{
@ -497,10 +493,8 @@ static void loadLightProgram(const char* vertSource, const char* fragSource, boo
slotBindings.insert(gpu::Shader::Binding(std::string("skyboxMap"), 5));
static const int LIGHT_GPU_SLOT = 3;
static const int ATMOSPHERE_GPU_SLOT = 4;
static const int DEFERRED_TRANSFORM_BUFFER_SLOT = 2;
slotBindings.insert(gpu::Shader::Binding(std::string("lightBuffer"), LIGHT_GPU_SLOT));
slotBindings.insert(gpu::Shader::Binding(std::string("atmosphereBufferUnit"), ATMOSPHERE_GPU_SLOT));
slotBindings.insert(gpu::Shader::Binding(std::string("deferredTransformBuffer"), DEFERRED_TRANSFORM_BUFFER_SLOT));
gpu::Shader::makeProgram(*program, slotBindings);
@ -512,7 +506,6 @@ static void loadLightProgram(const char* vertSource, const char* fragSource, boo
locations->coneParam = program->getUniforms().findLocation("coneParam");
locations->lightBufferUnit = program->getBuffers().findLocation("lightBuffer");
locations->atmosphereBufferUnit = program->getBuffers().findLocation("atmosphereBufferUnit");
locations->deferredTransformBuffer = program->getBuffers().findLocation("deferredTransformBuffer");
locations->shadowTransformBuffer = program->getBuffers().findLocation("shadowTransformBuffer");

2
libraries/render-utils/src/DeferredLightingEffect.h
View file

@ -49,7 +49,6 @@ public:
// update global lighting
void setAmbientLightMode(int preset);
void setGlobalLight(const glm::vec3& direction, const glm::vec3& diffuse, float intensity, float ambientIntensity);
void setGlobalAtmosphere(const model::AtmospherePointer& atmosphere) { _atmosphere = atmosphere; }
void setGlobalSkybox(const model::SkyboxPointer& skybox);
const LightStage& getLightStage() { return _lightStage; }
@ -84,7 +83,6 @@ private:
std::vector<int> _spotLights;
int _ambientLightMode = 0;
model::AtmospherePointer _atmosphere;
model::SkyboxPointer _skybox;
// Class describing the uniform buffer with all the parameters common to the deferred shaders

113
libraries/render-utils/src/SkyFromAtmosphere.slf
View file

@ -1,113 +0,0 @@
<@include gpu/Config.slh@>
<$VERSION_HEADER$>
//
// For licensing information, see http://http.developer.nvidia.com/GPUGems/gpugems_app01.html:
//
// NVIDIA Statement on the Software
//
// The source code provided is freely distributable, so long as the NVIDIA header remains unaltered and user modifications are
// detailed.
//
// No Warranty
//
// THE SOFTWARE AND ANY OTHER MATERIALS PROVIDED BY NVIDIA ON THE ENCLOSED CD-ROM ARE PROVIDED "AS IS." NVIDIA DISCLAIMS ALL
// WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF TITLE, MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
//
// Limitation of Liability
//
// NVIDIA SHALL NOT BE LIABLE TO ANY USER, DEVELOPER, DEVELOPER'S CUSTOMERS, OR ANY OTHER PERSON OR ENTITY CLAIMING THROUGH OR
// UNDER DEVELOPER FOR ANY LOSS OF PROFITS, INCOME, SAVINGS, OR ANY OTHER CONSEQUENTIAL, INCIDENTAL, SPECIAL, PUNITIVE, DIRECT
// OR INDIRECT DAMAGES (WHETHER IN AN ACTION IN CONTRACT, TORT OR BASED ON A WARRANTY), EVEN IF NVIDIA HAS BEEN ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS SHALL APPLY NOTWITHSTANDING ANY FAILURE OF THE ESSENTIAL PURPOSE OF ANY
// LIMITED REMEDY. IN NO EVENT SHALL NVIDIA'S AGGREGATE LIABILITY TO DEVELOPER OR ANY OTHER PERSON OR ENTITY CLAIMING THROUGH
// OR UNDER DEVELOPER EXCEED THE AMOUNT OF MONEY ACTUALLY PAID BY DEVELOPER TO NVIDIA FOR THE SOFTWARE OR ANY OTHER MATERIALS.
//
//
// Atmospheric scattering fragment shader
//
// Author: Sean O'Neil
//
// Copyright (c) 2004 Sean O'Neil
//
uniform vec3 v3CameraPos; // The camera's current position
uniform vec3 v3InvWavelength; // 1 / pow(wavelength, 4) for the red, green, and blue channels
uniform float fInnerRadius; // The inner (planetary) radius
uniform float fKrESun; // Kr * ESun
uniform float fKmESun; // Km * ESun
uniform float fKr4PI; // Kr * 4 * PI
uniform float fKm4PI; // Km * 4 * PI
uniform float fScale; // 1 / (fOuterRadius - fInnerRadius)
uniform float fScaleDepth; // The scale depth (i.e. the altitude at which the atmosphere's average density is found)
uniform float fScaleOverScaleDepth; // fScale / fScaleDepth
const int nSamples = 2;
const float fSamples = 2.0;
uniform vec3 v3LightPos;
uniform float g;
uniform float g2;
in vec3 position;
out vec4 outFragColor;
float scale(float fCos)
{
float x = 1.0 - fCos;
return fScaleDepth * exp(-0.00287 + x*(0.459 + x*(3.83 + x*(-6.80 + x*5.25))));
}
void main (void)
{
// Get the ray from the camera to the vertex, and its length (which is the far point of the ray passing through the atmosphere)
vec3 v3Pos = position;
vec3 v3Ray = v3Pos - v3CameraPos;
float fFar = length(v3Ray);
v3Ray /= fFar;
// Calculate the ray's starting position, then calculate its scattering offset
vec3 v3Start = v3CameraPos;
float fHeight = length(v3Start);
float fDepth = exp(fScaleOverScaleDepth * (fInnerRadius - fHeight));
float fStartAngle = dot(v3Ray, v3Start) / fHeight;
float fStartOffset = fDepth * scale(fStartAngle);
// Initialize the scattering loop variables
//gl_FrontColor = vec4(0.0, 0.0, 0.0, 0.0);
float fSampleLength = fFar / fSamples;
float fScaledLength = fSampleLength * fScale;
vec3 v3SampleRay = v3Ray * fSampleLength;
vec3 v3SamplePoint = v3Start + v3SampleRay * 0.5;
// Now loop through the sample rays
vec3 v3FrontColor = vec3(0.0, 0.0, 0.0);
for(int i=0; i<nSamples; i++)
{
float fHeight = length(v3SamplePoint);
float fDepth = exp(fScaleOverScaleDepth * (fInnerRadius - fHeight));
float fLightAngle = dot(v3LightPos, v3SamplePoint) / fHeight;
float fCameraAngle = dot((v3Ray), v3SamplePoint) / fHeight * 0.99;
float fScatter = (fStartOffset + fDepth * (scale(fLightAngle) - scale(fCameraAngle)));
vec3 v3Attenuate = exp(-fScatter * (v3InvWavelength * fKr4PI + fKm4PI));
v3FrontColor += v3Attenuate * (fDepth * fScaledLength);
v3SamplePoint += v3SampleRay;
}
// Finally, scale the Mie and Rayleigh colors and set up the in variables for the pixel shader
vec3 secondaryFrontColor = v3FrontColor * fKmESun;
vec3 frontColor = v3FrontColor * (v3InvWavelength * fKrESun);
vec3 v3Direction = v3CameraPos - v3Pos;
float fCos = dot(v3LightPos, v3Direction) / length(v3Direction);
float fMiePhase = 1.5 * ((1.0 - g2) / (2.0 + g2)) * (1.0 + fCos*fCos) / pow(1.0 + g2 - 2.0*g*fCos, 1.5);
vec3 finalColor = frontColor.rgb + fMiePhase * secondaryFrontColor.rgb;
outFragColor.a = finalColor.b;
// outFragColor.rgb = pow(finalColor.rgb, vec3(1.0/2.2));
outFragColor.rgb = finalColor.rgb;
}

69
libraries/render-utils/src/SkyFromAtmosphere.slv
View file

@ -1,69 +0,0 @@
<@include gpu/Config.slh@>
<$VERSION_HEADER$>
//
// For licensing information, see http://http.developer.nvidia.com/GPUGems/gpugems_app01.html:
//
// NVIDIA Statement on the Software
//
// The source code provided is freely distributable, so long as the NVIDIA header remains unaltered and user modifications are
// detailed.
//
// No Warranty
//
// THE SOFTWARE AND ANY OTHER MATERIALS PROVIDED BY NVIDIA ON THE ENCLOSED CD-ROM ARE PROVIDED "AS IS." NVIDIA DISCLAIMS ALL
// WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF TITLE, MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
//
// Limitation of Liability
//
// NVIDIA SHALL NOT BE LIABLE TO ANY USER, DEVELOPER, DEVELOPER'S CUSTOMERS, OR ANY OTHER PERSON OR ENTITY CLAIMING THROUGH OR
// UNDER DEVELOPER FOR ANY LOSS OF PROFITS, INCOME, SAVINGS, OR ANY OTHER CONSEQUENTIAL, INCIDENTAL, SPECIAL, PUNITIVE, DIRECT
// OR INDIRECT DAMAGES (WHETHER IN AN ACTION IN CONTRACT, TORT OR BASED ON A WARRANTY), EVEN IF NVIDIA HAS BEEN ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS SHALL APPLY NOTWITHSTANDING ANY FAILURE OF THE ESSENTIAL PURPOSE OF ANY
// LIMITED REMEDY. IN NO EVENT SHALL NVIDIA'S AGGREGATE LIABILITY TO DEVELOPER OR ANY OTHER PERSON OR ENTITY CLAIMING THROUGH
// OR UNDER DEVELOPER EXCEED THE AMOUNT OF MONEY ACTUALLY PAID BY DEVELOPER TO NVIDIA FOR THE SOFTWARE OR ANY OTHER MATERIALS.
//
//
// Atmospheric scattering vertex shader
//
// Author: Sean O'Neil
//
// Copyright (c) 2004 Sean O'Neil
//
<@include gpu/Inputs.slh@>
<@include gpu/Transform.slh@>
<$declareStandardTransform()$>
uniform vec3 v3CameraPos; // The camera's current position
uniform vec3 v3LightPos; // The direction vector to the light source
uniform vec3 v3InvWavelength; // 1 / pow(wavelength, 4) for the red, green, and blue channels
uniform float fOuterRadius; // The outer (atmosphere) radius
uniform float fInnerRadius; // The inner (planetary) radius
uniform float fKrESun; // Kr * ESun
uniform float fKmESun; // Km * ESun
uniform float fKr4PI; // Kr * 4 * PI
uniform float fKm4PI; // Km * 4 * PI
uniform float fScale; // 1 / (fOuterRadius - fInnerRadius)
uniform float fScaleDepth; // The scale depth (i.e. the altitude at which the atmosphere's average density is found)
uniform float fScaleOverScaleDepth; // fScale / fScaleDepth
const int nSamples = 2;
const float fSamples = 2.0;
out vec3 position;
void main(void)
{
// Get the ray from the camera to the vertex, and its length (which is the far point of the ray passing through the atmosphere)
position = inPosition.xyz * fOuterRadius;
// standard transform
TransformCamera cam = getTransformCamera();
TransformObject obj = getTransformObject();
vec4 v4pos = vec4(position, 1.0);
<$transformModelToClipPos(cam, obj, v4pos, gl_Position)$>
}

119
libraries/render-utils/src/SkyFromSpace.slf
View file

@ -1,119 +0,0 @@
<@include gpu/Config.slh@>
<$VERSION_HEADER$>
//
// For licensing information, see http://http.developer.nvidia.com/GPUGems/gpugems_app01.html:
//
// NVIDIA Statement on the Software
//
// The source code provided is freely distributable, so long as the NVIDIA header remains unaltered and user modifications are
// detailed.
//
// No Warranty
//
// THE SOFTWARE AND ANY OTHER MATERIALS PROVIDED BY NVIDIA ON THE ENCLOSED CD-ROM ARE PROVIDED "AS IS." NVIDIA DISCLAIMS ALL
// WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF TITLE, MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
//
// Limitation of Liability
//
// NVIDIA SHALL NOT BE LIABLE TO ANY USER, DEVELOPER, DEVELOPER'S CUSTOMERS, OR ANY OTHER PERSON OR ENTITY CLAIMING THROUGH OR
// UNDER DEVELOPER FOR ANY LOSS OF PROFITS, INCOME, SAVINGS, OR ANY OTHER CONSEQUENTIAL, INCIDENTAL, SPECIAL, PUNITIVE, DIRECT
// OR INDIRECT DAMAGES (WHETHER IN AN ACTION IN CONTRACT, TORT OR BASED ON A WARRANTY), EVEN IF NVIDIA HAS BEEN ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS SHALL APPLY NOTWITHSTANDING ANY FAILURE OF THE ESSENTIAL PURPOSE OF ANY
// LIMITED REMEDY. IN NO EVENT SHALL NVIDIA'S AGGREGATE LIABILITY TO DEVELOPER OR ANY OTHER PERSON OR ENTITY CLAIMING THROUGH
// OR UNDER DEVELOPER EXCEED THE AMOUNT OF MONEY ACTUALLY PAID BY DEVELOPER TO NVIDIA FOR THE SOFTWARE OR ANY OTHER MATERIALS.
//
//
// Atmospheric scattering fragment shader
//
// Author: Sean O'Neil
//
// Copyright (c) 2004 Sean O'Neil
//
uniform vec3 v3CameraPos; // The camera's current position
uniform vec3 v3LightPos; // The direction vector to the light source
uniform vec3 v3InvWavelength; // 1 / pow(wavelength, 4) for the red, green, and blue channels
uniform float fCameraHeight2; // fCameraHeight^2
uniform float fOuterRadius; // The outer (atmosphere) radius
uniform float fOuterRadius2; // fOuterRadius^2
uniform float fInnerRadius; // The inner (planetary) radius
uniform float fKrESun; // Kr * ESun
uniform float fKmESun; // Km * ESun
uniform float fKr4PI; // Kr * 4 * PI
uniform float fKm4PI; // Km * 4 * PI
uniform float fScale; // 1 / (fOuterRadius - fInnerRadius)
uniform float fScaleDepth; // The scale depth (i.e. the altitude at which the atmosphere's average density is found)
uniform float fScaleOverScaleDepth; // fScale / fScaleDepth
uniform float g;
uniform float g2;
const int nSamples = 2;
const float fSamples = 2.0;
in vec3 position;
out vec4 outFragColor;
float scale(float fCos)
{
float x = 1.0 - fCos;
return fScaleDepth * exp(-0.00287 + x*(0.459 + x*(3.83 + x*(-6.80 + x*5.25))));
}
void main (void)
{
// Get the ray from the camera to the vertex and its length (which is the far point of the ray passing through the atmosphere)
vec3 v3Pos = position;
vec3 v3Ray = v3Pos - v3CameraPos;
float fFar = length(v3Ray);
v3Ray /= fFar;
// Calculate the closest intersection of the ray with the outer atmosphere (which is the near point of the ray passing through the atmosphere)
float B = 2.0 * dot(v3CameraPos, v3Ray);
float C = fCameraHeight2 - fOuterRadius2;
float fDet = max(0.0, B*B - 4.0 * C);
float fNear = 0.5 * (-B - sqrt(fDet));
// Calculate the ray's starting position, then calculate its scattering offset
vec3 v3Start = v3CameraPos + v3Ray * fNear;
fFar -= fNear;
float fStartAngle = dot(v3Ray, v3Start) / fOuterRadius;
float fStartDepth = exp(-1.0 / fScaleDepth);
float fStartOffset = fStartDepth * scale(fStartAngle);
// Initialize the scattering loop variables
//gl_FrontColor = vec4(0.0, 0.0, 0.0, 0.0);
float fSampleLength = fFar / fSamples;
float fScaledLength = fSampleLength * fScale;
vec3 v3SampleRay = v3Ray * fSampleLength;
vec3 v3SamplePoint = v3Start + v3SampleRay * 0.5;
// Now loop through the sample rays
vec3 v3FrontColor = vec3(0.0, 0.0, 0.0);
for(int i=0; i<nSamples; i++)
{
float fHeight = length(v3SamplePoint);
float fDepth = exp(fScaleOverScaleDepth * (fInnerRadius - fHeight));
float fLightAngle = dot(v3LightPos, v3SamplePoint) / fHeight;
float fCameraAngle = dot((v3Ray), v3SamplePoint) / fHeight * 0.99;
float fScatter = (fStartOffset + fDepth * (scale(fLightAngle) - scale(fCameraAngle)));
vec3 v3Attenuate = exp(-fScatter * (v3InvWavelength * fKr4PI + fKm4PI));
v3FrontColor += v3Attenuate * (fDepth * fScaledLength);
v3SamplePoint += v3SampleRay;
}
vec3 v3Direction = v3CameraPos - v3Pos;
float fCos = dot(v3LightPos, v3Direction) / length(v3Direction);
float fMiePhase = 1.5 * ((1.0 - g2) / (2.0 + g2)) * (1.0 + fCos*fCos) / pow(1.0 + g2 - 2.0*g*fCos, 1.5);
vec3 color = v3FrontColor * (v3InvWavelength * fKrESun);
vec3 secondaryColor = v3FrontColor * fKmESun;
vec3 finalColor = color + fMiePhase * secondaryColor;
outFragColor.a = finalColor.b;
// outFragColor.rgb = pow(finalColor.rgb, vec3(1.0/2.2));
outFragColor.rgb = finalColor.rgb;
}

53
libraries/render-utils/src/SkyFromSpace.slv
View file

@ -1,53 +0,0 @@
<@include gpu/Config.slh@>
<$VERSION_HEADER$>
// Generated on <$_SCRIBE_DATE$>
//
// For licensing information, see http://http.developer.nvidia.com/GPUGems/gpugems_app01.html:
//
// NVIDIA Statement on the Software
//
// The source code provided is freely distributable, so long as the NVIDIA header remains unaltered and user modifications are
// detailed.
//
// No Warranty
//
// THE SOFTWARE AND ANY OTHER MATERIALS PROVIDED BY NVIDIA ON THE ENCLOSED CD-ROM ARE PROVIDED "AS IS." NVIDIA DISCLAIMS ALL
// WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF TITLE, MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
//
// Limitation of Liability
//
// NVIDIA SHALL NOT BE LIABLE TO ANY USER, DEVELOPER, DEVELOPER'S CUSTOMERS, OR ANY OTHER PERSON OR ENTITY CLAIMING THROUGH OR
// UNDER DEVELOPER FOR ANY LOSS OF PROFITS, INCOME, SAVINGS, OR ANY OTHER CONSEQUENTIAL, INCIDENTAL, SPECIAL, PUNITIVE, DIRECT
// OR INDIRECT DAMAGES (WHETHER IN AN ACTION IN CONTRACT, TORT OR BASED ON A WARRANTY), EVEN IF NVIDIA HAS BEEN ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS SHALL APPLY NOTWITHSTANDING ANY FAILURE OF THE ESSENTIAL PURPOSE OF ANY
// LIMITED REMEDY. IN NO EVENT SHALL NVIDIA'S AGGREGATE LIABILITY TO DEVELOPER OR ANY OTHER PERSON OR ENTITY CLAIMING THROUGH
// OR UNDER DEVELOPER EXCEED THE AMOUNT OF MONEY ACTUALLY PAID BY DEVELOPER TO NVIDIA FOR THE SOFTWARE OR ANY OTHER MATERIALS.
//
//
// Atmospheric scattering vertex shader
//
// Author: Sean O'Neil
//
// Copyright (c) 2004 Sean O'Neil
//
<@include gpu/Inputs.slh@>
<@include gpu/Transform.slh@>
<$declareStandardTransform()$>
uniform float fOuterRadius; // The outer (atmosphere) radius
out vec3 position;
void main(void) {
position = inPosition.xyz * fOuterRadius;
// standard transform
TransformCamera cam = getTransformCamera();
TransformObject obj = getTransformObject();
vec4 v4pos = vec4(position, 1.0);
<$transformModelToClipPos(cam, obj, v4pos, gl_Position)$>
}

4
libraries/script-engine/src/SceneScriptingInterface.cpp
View file

@ -104,8 +104,6 @@ bool SceneScripting::Stage::isSunModelEnabled() const {
void SceneScripting::Stage::setBackgroundMode(const QString& mode) {
if (mode == QString("inherit")) {
_skyStage->setBackgroundMode(model::SunSkyStage::NO_BACKGROUND);
} else if (mode == QString("atmosphere")) {
_skyStage->setBackgroundMode(model::SunSkyStage::SKY_DOME);
} else if (mode == QString("skybox")) {
_skyStage->setBackgroundMode(model::SunSkyStage::SKY_BOX);
}
@ -115,8 +113,6 @@ QString SceneScripting::Stage::getBackgroundMode() const {
switch (_skyStage->getBackgroundMode()) {
case model::SunSkyStage::NO_BACKGROUND:
return QString("inherit");
case model::SunSkyStage::SKY_DOME:
return QString("atmosphere");
case model::SunSkyStage::SKY_BOX:
return QString("skybox");
default:

1
libraries/shared/src/BackgroundMode.h
View file

@ -13,7 +13,6 @@
enum BackgroundMode {
BACKGROUND_MODE_INHERIT,
BACKGROUND_MODE_ATMOSPHERE,
BACKGROUND_MODE_SKYBOX,
};

8
tests/shaders/src/main.cpp
View file

@ -84,11 +84,6 @@
#include "overlay3D_vert.h"
#include "overlay3D_frag.h"
#include "SkyFromSpace_vert.h"
#include "SkyFromSpace_frag.h"
#include "SkyFromAtmosphere_vert.h"
#include "SkyFromAtmosphere_frag.h"
#include "Skybox_vert.h"
#include "Skybox_frag.h"
@ -220,9 +215,6 @@ void QTestWindow::draw() {
testShaderBuild(overlay3D_vert, overlay3D_frag);
testShaderBuild(SkyFromSpace_vert, SkyFromSpace_frag);
testShaderBuild(SkyFromAtmosphere_vert, SkyFromAtmosphere_frag);
testShaderBuild(Skybox_vert, Skybox_frag);
testShaderBuild(paintStroke_vert,paintStroke_frag);