mirror of
https://github.com/OpenSpace/OpenSpace.git
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591 lines
23 KiB
C++
591 lines
23 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2016 *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
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* software and associated documentation files (the "Software"), to deal in the Software *
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* without restriction, including without limitation the rights to use, copy, modify, *
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* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
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* permit persons to whom the Software is furnished to do so, subject to the following *
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* conditions: *
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* *
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* The above copyright notice and this permission notice shall be included in all copies *
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* or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
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* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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****************************************************************************************/
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// open space includes
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#include <modules/newhorizons/rendering/renderablemodelprojection.h>
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#include <ghoul/io/texture/texturereader.h>
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#include <ghoul/opengl/textureunit.h>
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#include <ghoul/filesystem/filesystem.h>
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#include <openspace/util/time.h>
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#include <openspace/util/spicemanager.h>
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#include <openspace/scene/scenegraphnode.h>
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#include <openspace/engine/openspaceengine.h>
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#include <openspace/rendering/renderengine.h>
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#include "imgui.h"
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#define _USE_MATH_DEFINES
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#include <math.h>
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#include <thread>
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namespace {
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const std::string _loggerCat = "RenderableModelProjection";
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const std::string keySource = "Rotation.Source";
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const std::string keyDestination = "Rotation.Destination";
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const std::string keyBody = "Body";
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const std::string keyGeometry = "Geometry";
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const std::string keyTextureColor = "Textures.Color";
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const std::string keyTextureProject = "Textures.Project";
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const std::string keyTextureDefault = "Textures.Default";
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const std::string keySequenceDir = "Projection.Sequence";
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const std::string keySequenceType = "Projection.SequenceType";
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const std::string keyProjObserver = "Projection.Observer";
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const std::string keyProjTarget = "Projection.Target";
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const std::string keyProjAberration = "Projection.Aberration";
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const std::string keyInstrument = "Instrument.Name";
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const std::string keyInstrumentFovy = "Instrument.Fovy";
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const std::string keyInstrumentAspect = "Instrument.Aspect";
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const std::string keyInstrumentNear = "Instrument.Near";
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const std::string keyInstrumentFar = "Instrument.Far";
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const std::string keyTranslation = "DataInputTranslation";
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const std::string sequenceTypeImage = "image-sequence";
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}
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namespace openspace {
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RenderableModelProjection::RenderableModelProjection(const ghoul::Dictionary& dictionary)
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: Renderable(dictionary)
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, _colorTexturePath("colorTexture", "Color Texture")
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, _projectionTexturePath("projectionTexture", "RGB Texture")
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, _rotationX("rotationX", "RotationX", 0, 0, 360)
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, _rotationY("rotationY", "RotationY", 0, 0, 360)
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, _rotationZ("rotationZ", "RotationZ", 0, 0, 360)
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, _programObject(nullptr)
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, _fboProgramObject(nullptr)
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, _texture(nullptr)
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, _geometry(nullptr)
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//, _textureOriginal(nullptr)
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, _textureProj(nullptr)
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, _textureWhiteSquare(nullptr)
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, _alpha(1.f)
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, _performShading("performShading", "Perform Shading", true)
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, _performProjection("performProjection", "Perform Projections", true)
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, _clearAllProjections("clearAllProjections", "Clear Projections", false)
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, _frameCount(0)
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, _programIsDirty(false)
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, _clearingImage(absPath("${OPENSPACE_DATA}/scene/common/textures/clear.png"))
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{
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std::string name;
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bool success = dictionary.getValue(SceneGraphNode::KeyName, name);
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ghoul_assert(success, "Name was not passed to RenderableModelProjection");
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ghoul::Dictionary geometryDictionary;
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success = dictionary.getValue(keyGeometry, geometryDictionary);
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if (success) {
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geometryDictionary.setValue(SceneGraphNode::KeyName, name);
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_geometry = modelgeometry::ModelGeometry::createFromDictionary(geometryDictionary);
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}
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std::string texturePath = "";
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success = dictionary.getValue(keyTextureColor, texturePath);
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if (success)
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_colorTexturePath = absPath(texturePath);
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success = dictionary.getValue(keyTextureProject, texturePath);
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if (success)
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_projectionTexturePath = absPath(texturePath);
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success = dictionary.getValue(keyTextureDefault, texturePath);
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if (success)
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_defaultProjImage = absPath(texturePath);
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addPropertySubOwner(_geometry);
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addProperty(_colorTexturePath);
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addProperty(_projectionTexturePath);
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_colorTexturePath.onChange(std::bind(&RenderableModelProjection::loadTexture, this));
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_projectionTexturePath.onChange(std::bind(&RenderableModelProjection::loadProjectionTexture, this));
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dictionary.getValue(keySource, _source);
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dictionary.getValue(keyDestination, _destination);
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dictionary.getValue(keyBody, _target);
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if (_target != "")
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setBody(_target);
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bool completeSuccess = true;
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completeSuccess &= dictionary.getValue(keyInstrument, _instrumentID);
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completeSuccess &= dictionary.getValue(keyProjObserver, _projectorID);
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completeSuccess &= dictionary.getValue(keyProjTarget, _projecteeID);
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completeSuccess &= dictionary.getValue(keyInstrumentFovy, _fovy);
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completeSuccess &= dictionary.getValue(keyInstrumentAspect, _aspectRatio);
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completeSuccess &= dictionary.getValue(keyInstrumentNear, _nearPlane);
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completeSuccess &= dictionary.getValue(keyInstrumentFar, _farPlane);
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ghoul_assert(completeSuccess, "All neccessary attributes not found in modfile");
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std::string a = "NONE";
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bool s = dictionary.getValue(keyProjAberration, a);
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_aberration = SpiceManager::AberrationCorrection(a);
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completeSuccess &= s;
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ghoul_assert(completeSuccess, "All neccessary attributes not found in modfile");
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openspace::SpiceManager::ref().addFrame(_target, _source);
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setBoundingSphere(pss(1.f, 9.f));
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addProperty(_performShading);
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addProperty(_performProjection);
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addProperty(_clearAllProjections);
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addProperty(_rotationX);
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addProperty(_rotationY);
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addProperty(_rotationZ);
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SequenceParser* parser;
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bool foundSequence = dictionary.getValue(keySequenceDir, _sequenceSource);
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if (foundSequence) {
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_sequenceSource = absPath(_sequenceSource);
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foundSequence = dictionary.getValue(keySequenceType, _sequenceType);
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ghoul_assert(foundSequence, "Did not find sequence");
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//Important: client must define translation-list in mod file IFF playbook
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if (dictionary.hasKey(keyTranslation)) {
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ghoul::Dictionary translationDictionary;
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//get translation dictionary
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dictionary.getValue(keyTranslation, translationDictionary);
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if (_sequenceType == sequenceTypeImage) {
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parser = new LabelParser(name, _sequenceSource, translationDictionary);
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openspace::ImageSequencer::ref().runSequenceParser(parser);
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}
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}
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else {
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LWARNING("No translation provided, please make sure all spice calls match playbook!");
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}
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}
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}
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bool RenderableModelProjection::isReady() const {
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bool ready = true;
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ready &= (_programObject != nullptr);
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ready &= (_texture != nullptr);
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return ready;
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}
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bool RenderableModelProjection::initialize() {
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bool completeSuccess = true;
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if (_programObject == nullptr) {
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RenderEngine& renderEngine = OsEng.renderEngine();
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_programObject = renderEngine.buildRenderProgram("ModelShader",
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"${MODULE_NEWHORIZONS}/shaders/modelShader_vs.glsl",
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"${MODULE_NEWHORIZONS}/shaders/modelShader_fs.glsl");
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if (!_programObject)
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return false;
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}
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_programObject->setProgramObjectCallback([&](ghoul::opengl::ProgramObject*) { this->_programIsDirty = true; } );
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if (_fboProgramObject == nullptr) {
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_fboProgramObject = ghoul::opengl::ProgramObject::Build("ProjectionPass",
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"${MODULE_NEWHORIZONS}/shaders/projectionPass_vs.glsl",
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"${MODULE_NEWHORIZONS}/shaders/projectionPass_fs.glsl");
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_fboProgramObject->setIgnoreUniformLocationError(ghoul::opengl::ProgramObject::IgnoreError::Yes);
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if (!_fboProgramObject)
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return false;
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}
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_fboProgramObject->setProgramObjectCallback([&](ghoul::opengl::ProgramObject*) { this->_programIsDirty = true; } );
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loadTexture();
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loadProjectionTexture();
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completeSuccess &= (_texture != nullptr);
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//completeSuccess &= (_textureOriginal != nullptr);
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completeSuccess &= (_textureProj != nullptr);
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completeSuccess &= (_textureWhiteSquare != nullptr);
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completeSuccess &= _geometry->initialize(this);
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completeSuccess &= !_source.empty();
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completeSuccess &= !_destination.empty();
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bool gotverts = _geometry->getVertices(&_geometryVertecies) && _geometry->getIndices(&_geometryIndeces);
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if (!gotverts)
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LWARNING("Lack of vertex data from geometry for image projection");
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completeSuccess &= auxiliaryRendertarget();
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return completeSuccess;
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}
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bool RenderableModelProjection::auxiliaryRendertarget() {
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bool completeSuccess = true;
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// set FBO to texture to project to
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GLint defaultFBO;
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glGetIntegerv(GL_FRAMEBUFFER_BINDING, &defaultFBO);
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glGenFramebuffers(1, &_fboID);
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glBindFramebuffer(GL_FRAMEBUFFER, _fboID);
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glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, *_texture, 0);
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// check FBO status
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GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
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if (status != GL_FRAMEBUFFER_COMPLETE)
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completeSuccess &= false;
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// switch back to window-system-provided framebuffer
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glBindFramebuffer(GL_FRAMEBUFFER, defaultFBO);
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int vertexSize = sizeof(modelgeometry::ModelGeometry::Vertex);
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glGenVertexArrays(1, &_vaoID);
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glGenBuffers(1, &_vbo);
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glGenBuffers(1, &_ibo);
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glBindVertexArray(_vaoID);
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glBindBuffer(GL_ARRAY_BUFFER, _vbo);
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glBufferData(GL_ARRAY_BUFFER, _geometryVertecies.size() * vertexSize, &_geometryVertecies[0], GL_STATIC_DRAW);
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glEnableVertexAttribArray(0);
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glEnableVertexAttribArray(1);
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glEnableVertexAttribArray(2);
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glVertexAttribPointer(0, 4, GL_FLOAT, GL_FALSE, vertexSize,
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reinterpret_cast<const GLvoid*>(offsetof(modelgeometry::ModelGeometry::Vertex, location)));
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glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, vertexSize,
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reinterpret_cast<const GLvoid*>(offsetof(modelgeometry::ModelGeometry::Vertex, tex)));
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glVertexAttribPointer(2, 3, GL_FLOAT, GL_FALSE, vertexSize,
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reinterpret_cast<const GLvoid*>(offsetof(modelgeometry::ModelGeometry::Vertex, normal)));
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glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, _ibo);
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glBufferData(GL_ELEMENT_ARRAY_BUFFER, _geometryIndeces.size() * sizeof(int), &_geometryIndeces[0], GL_STATIC_DRAW);
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glBindVertexArray(0);
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return completeSuccess;
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}
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bool RenderableModelProjection::deinitialize() {
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if (_geometry) {
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_geometry->deinitialize();
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delete _geometry;
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}
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_geometry = nullptr;
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_texture = nullptr;
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_textureProj = nullptr;
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//_textureOriginal = nullptr;
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_textureWhiteSquare = nullptr;
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glDeleteBuffers(1, &_vbo);
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RenderEngine& renderEngine = OsEng.renderEngine();
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if (_programObject) {
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renderEngine.removeRenderProgram(_programObject);
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_programObject = nullptr;
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}
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return true;
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}
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void RenderableModelProjection::clearAllProjections() {
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_texture = nullptr;
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if (_colorTexturePath.value() != "") {
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_texture = std::move(ghoul::io::TextureReader::ref().loadTexture(absPath(_colorTexturePath)));
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if (_texture) {
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LDEBUG("Loaded texture from '" << absPath(_colorTexturePath) << "'");
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_texture->uploadTexture();
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_texture->setFilter(ghoul::opengl::Texture::FilterMode::Linear);
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}
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}
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GLint defaultFBO;
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glGetIntegerv(GL_FRAMEBUFFER_BINDING, &defaultFBO);
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glBindFramebuffer(GL_FRAMEBUFFER, _fboID);
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glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, *_texture, 0);
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// check FBO status
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GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
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// switch back to window-system-provided framebuffer
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glBindFramebuffer(GL_FRAMEBUFFER, defaultFBO);
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//float tmp = _fadeProjection;
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//_fadeProjection = 1.f;
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//_projectionTexturePath = _clearingImage;
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//imageProjectGPU();
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//_fadeProjection = tmp;
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_clearAllProjections = false;
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}
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void RenderableModelProjection::render(const RenderData& data) {
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if (!_programObject)
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return;
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if (!_textureProj)
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return;
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if (_clearAllProjections)
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clearAllProjections();
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_programObject->activate();
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_frameCount++;
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_camScaling = data.camera.scaling();
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_up = data.camera.lookUpVector();
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if (_capture && _performProjection)
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project();
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attitudeParameters(_time);
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_imageTimes.clear();
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double time = openspace::Time::ref().currentTime();
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bool targetPositionCoverage = openspace::SpiceManager::ref().hasSpkCoverage(_target, time);
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if (!targetPositionCoverage) {
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int frame = _frameCount % 180;
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float fadingFactor = static_cast<float>(sin((frame * M_PI) / 180));
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_alpha = 0.5f + fadingFactor * 0.5f;
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}
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else
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_alpha = 1.0f;
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_programObject->setUniform("ProjectorMatrix", _projectorMatrix);
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_programObject->setUniform("boresight", _boresight);
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_programObject->setUniform("_performShading", _performShading);
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_programObject->setUniform("sun_pos", _sunPosition.vec3());
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_viewProjection = data.camera.viewProjectionMatrix();
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_programObject->setUniform("ViewProjection", _viewProjection);
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_programObject->setUniform("ModelTransform", _transform);
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setPscUniforms(*_programObject, data.camera, data.position);
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_geometry->setUniforms(*_programObject);
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textureBind();
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_geometry->render();
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// disable shader
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_programObject->deactivate();
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}
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void RenderableModelProjection::update(const UpdateData& data) {
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if (_programIsDirty) {
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_programObject->rebuildFromFile();
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_fboProgramObject->rebuildFromFile();
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_programIsDirty = false;
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}
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_time = data.time;
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if (openspace::ImageSequencer::ref().isReady() && _performProjection) {
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openspace::ImageSequencer::ref().updateSequencer(_time);
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_capture = openspace::ImageSequencer::ref().getImagePaths(_imageTimes, _projecteeID, _instrumentID);
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}
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// set spice-orientation in accordance to timestamp
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if (!_source.empty()) {
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_stateMatrix = SpiceManager::ref().positionTransformMatrix(_source, _destination, _time);
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}
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double lt;
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glm::dvec3 p =
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openspace::SpiceManager::ref().targetPosition("SUN", _target, "GALACTIC", {}, _time, lt);
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_sunPosition = PowerScaledCoordinate::CreatePowerScaledCoordinate(p.x, p.y, p.z);
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}
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void RenderableModelProjection::imageProjectGPU() {
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glDisable(GL_DEPTH_TEST);
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// keep handle to the current bound FBO
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GLint defaultFBO;
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glGetIntegerv(GL_FRAMEBUFFER_BINDING, &defaultFBO);
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GLint m_viewport[4];
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glGetIntegerv(GL_VIEWPORT, m_viewport);
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glBindFramebuffer(GL_FRAMEBUFFER, _fboID);
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// set blend eq
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glEnable(GL_BLEND);
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glBlendEquationSeparate(GL_FUNC_ADD, GL_FUNC_ADD);
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glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ZERO, GL_ZERO);
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glViewport(0, 0, static_cast<GLsizei>(_texture->width()), static_cast<GLsizei>(_texture->height()));
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_fboProgramObject->activate();
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ghoul::opengl::TextureUnit unitFboProject;
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unitFboProject.activate();
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_textureProj->bind();
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_fboProgramObject->setUniform("projectTexture", unitFboProject);
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ghoul::opengl::TextureUnit unitFboCurrent;
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unitFboCurrent.activate();
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_texture->bind();
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_fboProgramObject->setUniform("currentTexture", unitFboCurrent);
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_fboProgramObject->setUniform("ProjectorMatrix", _projectorMatrix);
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_fboProgramObject->setUniform("ModelTransform", _transform);
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_fboProgramObject->setUniform("_scaling", _camScaling);
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_fboProgramObject->setUniform("boresight", _boresight);
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_geometry->setUniforms(*_fboProgramObject);
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glBindVertexArray(_vaoID);
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glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, _ibo);
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glDrawElements(GL_TRIANGLES, static_cast<GLsizei>(_geometryIndeces.size()), GL_UNSIGNED_INT, 0);
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glBindVertexArray(0);
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_fboProgramObject->deactivate();
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//glDisable(GL_BLEND);
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//bind back to default
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glBindFramebuffer(GL_FRAMEBUFFER, defaultFBO);
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glViewport(m_viewport[0], m_viewport[1],
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m_viewport[2], m_viewport[3]);
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glEnable(GL_DEPTH_TEST);
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}
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void RenderableModelProjection::attitudeParameters(double time) {
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try {
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_stateMatrix = SpiceManager::ref().positionTransformMatrix(_source, _destination, time);
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_instrumentMatrix = SpiceManager::ref().positionTransformMatrix(_instrumentID, _destination, time);
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}
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catch (const SpiceManager::SpiceException& e) {
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return;
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}
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_transform = glm::mat4(1);
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glm::mat4 rotPropX = glm::rotate(_transform, glm::radians(static_cast<float>(_rotationX)), glm::vec3(1, 0, 0));
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glm::mat4 rotPropY = glm::rotate(_transform, glm::radians(static_cast<float>(_rotationY)), glm::vec3(0, 1, 0));
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glm::mat4 rotPropZ = glm::rotate(_transform, glm::radians(static_cast<float>(_rotationZ)), glm::vec3(0, 0, 1));
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for (int i = 0; i < 3; i++) {
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for (int j = 0; j < 3; j++) {
|
|
_transform[i][j] = static_cast<float>(_stateMatrix[i][j]);
|
|
}
|
|
}
|
|
_transform = _transform * rotPropX * rotPropY * rotPropZ;
|
|
|
|
glm::dvec3 boresight;
|
|
try {
|
|
SpiceManager::FieldOfViewResult res = SpiceManager::ref().fieldOfView(_instrumentID);
|
|
boresight = std::move(res.boresightVector);
|
|
} catch (const SpiceManager::SpiceException& e) {
|
|
return;
|
|
}
|
|
|
|
double lightTime;
|
|
glm::dvec3 p =
|
|
SpiceManager::ref().targetPosition(_projectorID, _projecteeID, _destination, _aberration, time, lightTime);
|
|
psc position = PowerScaledCoordinate::CreatePowerScaledCoordinate(p.x, p.y, p.z);
|
|
|
|
position[3] += (3 + _camScaling[1]);
|
|
glm::vec3 cpos = position.vec3();
|
|
|
|
_projectorMatrix = computeProjectorMatrix(cpos, boresight, _up);
|
|
}
|
|
|
|
glm::mat4 RenderableModelProjection::computeProjectorMatrix(const glm::vec3 loc, glm::dvec3 aim, const glm::vec3 up) {
|
|
//rotate boresight into correct alignment
|
|
_boresight = _instrumentMatrix*aim;
|
|
glm::vec3 uptmp(_instrumentMatrix*glm::dvec3(up));
|
|
|
|
// create view matrix
|
|
glm::vec3 e3 = glm::normalize(_boresight);
|
|
glm::vec3 e1 = glm::normalize(glm::cross(uptmp, e3));
|
|
glm::vec3 e2 = glm::normalize(glm::cross(e3, e1));
|
|
glm::mat4 projViewMatrix = glm::mat4(e1.x, e2.x, e3.x, 0.f,
|
|
e1.y, e2.y, e3.y, 0.f,
|
|
e1.z, e2.z, e3.z, 0.f,
|
|
-glm::dot(e1, loc), -glm::dot(e2, loc), -glm::dot(e3, loc), 1.f);
|
|
|
|
// create perspective projection matrix
|
|
glm::mat4 projProjectionMatrix = glm::perspective(glm::radians(_fovy), _aspectRatio, _nearPlane, _farPlane);
|
|
// bias matrix
|
|
glm::mat4 projNormalizationMatrix = glm::mat4(0.5f, 0, 0, 0,
|
|
0, 0.5f, 0, 0,
|
|
0, 0, 0.5f, 0,
|
|
0.5f, 0.5f, 0.5f, 1);
|
|
return projNormalizationMatrix*projProjectionMatrix*projViewMatrix;
|
|
}
|
|
|
|
|
|
void RenderableModelProjection::textureBind() {
|
|
ghoul::opengl::TextureUnit unit[2];
|
|
unit[0].activate();
|
|
_texture->bind();
|
|
_programObject->setUniform("currentTexture", unit[0]);
|
|
unit[1].activate();
|
|
_textureWhiteSquare->bind();
|
|
_programObject->setUniform("projectedTexture", unit[1]);
|
|
}
|
|
|
|
void RenderableModelProjection::project() {
|
|
for (auto img : _imageTimes) {
|
|
//std::thread t1(&RenderableModelProjection::attitudeParameters, this, img.startTime);
|
|
//t1.join();
|
|
attitudeParameters(img.startTime);
|
|
_projectionTexturePath = img.path;
|
|
imageProjectGPU(); //fbopass
|
|
}
|
|
_capture = false;
|
|
}
|
|
|
|
void RenderableModelProjection::loadTexture() {
|
|
_texture = nullptr;
|
|
if (_colorTexturePath.value() != "") {
|
|
_texture = std::move(ghoul::io::TextureReader::ref().loadTexture(absPath(_colorTexturePath)));
|
|
if (_texture) {
|
|
LDEBUG("Loaded texture from '" << absPath(_colorTexturePath) << "'");
|
|
_texture->uploadTexture();
|
|
_texture->setFilter(ghoul::opengl::Texture::FilterMode::Linear);
|
|
}
|
|
}
|
|
//_textureOriginal = nullptr;
|
|
//if (_colorTexturePath.value() != "") {
|
|
// _textureOriginal = std::move(ghoul::io::TextureReader::ref().loadTexture(absPath(_colorTexturePath)));
|
|
// if (_textureOriginal) {
|
|
// LDEBUG("Loaded texture from '" << absPath(_colorTexturePath) << "'");
|
|
// _textureOriginal->uploadTexture();
|
|
// _textureOriginal->setFilter(ghoul::opengl::Texture::FilterMode::Linear);
|
|
// }
|
|
//}
|
|
_textureWhiteSquare = nullptr;
|
|
if (_defaultProjImage != "") {
|
|
_textureWhiteSquare = std::move(ghoul::io::TextureReader::ref().loadTexture(absPath(_defaultProjImage)));
|
|
if (_textureWhiteSquare) {
|
|
_textureWhiteSquare->uploadTexture();
|
|
_textureWhiteSquare->setFilter(ghoul::opengl::Texture::FilterMode::Linear);
|
|
}
|
|
}
|
|
}
|
|
|
|
void RenderableModelProjection::loadProjectionTexture() {
|
|
_textureProj = nullptr;
|
|
if (_projectionTexturePath.value() != "") {
|
|
_textureProj = std::move(ghoul::io::TextureReader::ref().loadTexture(absPath(_projectionTexturePath)));
|
|
if (_textureProj) {
|
|
_textureProj->uploadTexture();
|
|
_textureProj->setFilter(ghoul::opengl::Texture::FilterMode::AnisotropicMipMap);
|
|
_textureProj->setWrapping(ghoul::opengl::Texture::WrappingMode::ClampToBorder);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
} // namespace openspace
|