diff options
| -rw-r--r-- | src/core/resources/qframeallocator.cpp | 39 | ||||
| -rw-r--r-- | src/core/resources/qframeallocator_p_p.h | 3 | ||||
| -rw-r--r-- | src/plugins/sceneparsers/gltf/gltfparser.cpp | 1560 | ||||
| -rw-r--r-- | src/render/frontend/qrenderaspect.cpp | 2 | ||||
| -rw-r--r-- | sync.profile | 13 | ||||
| -rw-r--r-- | tools/qgltf/qgltf.pro | 1 |
6 files changed, 1586 insertions, 32 deletions
diff --git a/src/core/resources/qframeallocator.cpp b/src/core/resources/qframeallocator.cpp index ff15dadf6..61a82a2b4 100644 --- a/src/core/resources/qframeallocator.cpp +++ b/src/core/resources/qframeallocator.cpp @@ -147,25 +147,30 @@ void QFixedFrameAllocator::init(uint blockSize, uchar pageSize) void *QFixedFrameAllocator::allocate() { - Q_ASSERT(m_blockSize && m_nbrBlock); - if (m_lastAllocatedChunck == nullptr || - m_lastAllocatedChunck->m_blocksAvailable == 0) { - int i = 0; - for (; i < m_chunks.size(); i++) { - if (m_chunks[i].m_blocksAvailable > 0) { - m_lastAllocatedChunck = m_chunks.begin() + i; - break; - } - } - if (i == m_chunks.size()) { - m_chunks.resize(m_chunks.size() + 1); - QFrameChunk &newChunk = m_chunks.last(); - newChunk.init(m_blockSize, m_nbrBlock); - m_lastAllocatedChunck = &newChunk; - m_lastFreedChunck = m_lastAllocatedChunck; + Q_ASSERT(m_blockSize); + return scan().allocate(m_blockSize); +} + +QFrameChunk &QFixedFrameAllocator::scan() +{ + Q_ASSERT(m_blockSize); + Q_ASSERT(m_nbrBlock); + + if (m_lastAllocatedChunck && m_lastAllocatedChunck->m_blocksAvailable) + return *m_lastAllocatedChunck; + + for (int i = 0; i < m_chunks.size(); i++) { + if (m_chunks[i].m_blocksAvailable > 0) { + m_lastAllocatedChunck = m_chunks.begin() + i; + return *m_lastAllocatedChunck; } } - return m_lastAllocatedChunck->allocate(m_blockSize); + m_chunks.resize(m_chunks.size() + 1); + QFrameChunk &newChunk = m_chunks.last(); + newChunk.init(m_blockSize, m_nbrBlock); + m_lastAllocatedChunck = &newChunk; + m_lastFreedChunck = &newChunk; + return newChunk; } void QFixedFrameAllocator::deallocate(void *ptr) diff --git a/src/core/resources/qframeallocator_p_p.h b/src/core/resources/qframeallocator_p_p.h index b49def87a..bf4e0a2b1 100644 --- a/src/core/resources/qframeallocator_p_p.h +++ b/src/core/resources/qframeallocator_p_p.h @@ -96,6 +96,9 @@ public: inline uint blockSize() const { return m_blockSize; } private: + QFrameChunk &scan(); + +private: uint m_blockSize; uchar m_nbrBlock; QVector<QFrameChunk> m_chunks; diff --git a/src/plugins/sceneparsers/gltf/gltfparser.cpp b/src/plugins/sceneparsers/gltf/gltfparser.cpp new file mode 100644 index 000000000..e42ebb510 --- /dev/null +++ b/src/plugins/sceneparsers/gltf/gltfparser.cpp @@ -0,0 +1,1560 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB). +** Copyright (C) 2015 The Qt Company Ltd and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the Qt3D module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "gltfparser.h" + +#include <QtCore/QDir> +#include <QtCore/QFileInfo> +#include <QtCore/QJsonArray> +#include <QtCore/QJsonObject> + +#include <QtGui/QVector2D> + +#include <Qt3DCore/QCameraLens> +#include <Qt3DCore/QEntity> +#include <Qt3DCore/QTransform> + +#include <Qt3DRender/private/qurlhelper_p.h> + +#include <Qt3DRender/QAlphaCoverage> +#include <Qt3DRender/QBlendEquation> +#include <Qt3DRender/QBlendStateSeparate> +#include <Qt3DRender/QColorMask> +#include <Qt3DRender/QCullFace> +#include <Qt3DRender/QDepthMask> +#include <Qt3DRender/QDepthTest> +#include <Qt3DRender/QEffect> +#include <Qt3DRender/QFrontFace> +#include <Qt3DRender/QGeometry> +#include <Qt3DRender/QGeometryRenderer> +#include <Qt3DRender/QMaterial> +#include <Qt3DRender/QGraphicsApiFilter> +#include <Qt3DRender/QParameter> +#include <Qt3DRender/QParameterMapping> +#include <Qt3DRender/QPolygonOffset> +#include <Qt3DRender/QRenderState> +#include <Qt3DRender/QScissorTest> +#include <Qt3DRender/QShaderProgram> +#include <Qt3DRender/QTechnique> +#include <Qt3DRender/QTexture> + +#include <Qt3DRender/QPhongMaterial> +#include <Qt3DRender/QDiffuseMapMaterial> +#include <Qt3DRender/QDiffuseSpecularMapMaterial> +#include <Qt3DRender/QNormalDiffuseMapMaterial> +#include <Qt3DRender/QNormalDiffuseSpecularMapMaterial> + +QT_BEGIN_NAMESPACE + +using namespace Qt3DCore; + +namespace Qt3DRender { + +Q_LOGGING_CATEGORY(GLTFParserLog, "Qt3D.GLTFParser") + +namespace { + +const QString KEY_CAMERA = QStringLiteral("camera"); +const QString KEY_CAMERAS = QStringLiteral("cameras"); +const QString KEY_SCENES = QStringLiteral("scenes"); +const QString KEY_NODES = QStringLiteral("nodes"); +const QString KEY_MESHES = QStringLiteral("meshes"); +const QString KEY_CHILDREN = QStringLiteral("children"); +const QString KEY_MATRIX = QStringLiteral("matrix"); +const QString KEY_ROTATION = QStringLiteral("rotation"); +const QString KEY_SCALE = QStringLiteral("scale"); +const QString KEY_TRANSLATION = QStringLiteral("translation"); +const QString KEY_TYPE = QStringLiteral("type"); +const QString KEY_PERSPECTIVE =QStringLiteral("perspective"); +const QString KEY_NAME = QStringLiteral("name"); +const QString KEY_COUNT = QStringLiteral("count"); +const QString KEY_YFOV = QStringLiteral("yfov"); +const QString KEY_ZNEAR = QStringLiteral("znear"); +const QString KEY_ZFAR = QStringLiteral("zfar"); +const QString KEY_MATERIALS = QStringLiteral("materials"); +const QString KEY_EXTENSIONS = QStringLiteral("extensions"); +const QString KEY_COMMON_MAT = QStringLiteral("KHR_materials_common"); +const QString KEY_TECHNIQUE = QStringLiteral("technique"); +const QString KEY_VALUES = QStringLiteral("values"); +const QString KEY_BUFFERS = QStringLiteral("buffers"); +const QString KEY_SHADERS = QStringLiteral("shaders"); +const QString KEY_PROGRAMS = QStringLiteral("programs"); +const QString KEY_PROGRAM = QStringLiteral("program"); +const QString KEY_TECHNIQUES = QStringLiteral("techniques"); +const QString KEY_ACCESSORS = QStringLiteral("accessors"); +const QString KEY_IMAGES = QStringLiteral("images"); +const QString KEY_TEXTURES = QStringLiteral("textures"); +const QString KEY_SCENE = QStringLiteral("scene"); +const QString KEY_BUFFER = QStringLiteral("buffer"); +const QString KEY_TARGET = QStringLiteral("target"); +const QString KEY_BYTE_OFFSET = QStringLiteral("byteOffset"); +const QString KEY_BYTE_LENGTH = QStringLiteral("byteLength"); +const QString KEY_BYTE_STRIDE = QStringLiteral("byteStride"); +const QString KEY_PRIMITIVES = QStringLiteral("primitives"); +const QString KEY_MODE = QStringLiteral("mode"); +const QString KEY_MATERIAL = QStringLiteral("material"); +const QString KEY_ATTRIBUTES = QStringLiteral("attributes"); +const QString KEY_INDICES = QStringLiteral("indices"); +const QString KEY_URI = QStringLiteral("uri"); +const QString KEY_FORMAT = QStringLiteral("format"); +const QString KEY_PASSES = QStringLiteral("passes"); +const QString KEY_SOURCE = QStringLiteral("source"); +const QString KEY_SAMPLER = QStringLiteral("sampler"); +const QString KEY_SAMPLERS = QStringLiteral("samplers"); +const QString KEY_SEMANTIC = QStringLiteral("semantic"); +const QString KEY_STATES = QStringLiteral("states"); +const QString KEY_UNIFORMS = QStringLiteral("uniforms"); +const QString KEY_PARAMETERS = QStringLiteral("parameters"); +const QString KEY_WRAP_S = QStringLiteral("wrapS"); +const QString KEY_MIN_FILTER = QStringLiteral("minFilter"); +const QString KEY_MAG_FILTER = QStringLiteral("magFilter"); + +const QString KEY_INSTANCE_TECHNIQUE = QStringLiteral("instanceTechnique"); +const QString KEY_INSTANCE_PROGRAM = QStringLiteral("instanceProgram"); +const QString KEY_BUFFER_VIEWS = QStringLiteral("bufferViews"); +const QString KEY_BUFFER_VIEW = QStringLiteral("bufferView"); +const QString KEY_VERTEX_SHADER = QStringLiteral("vertexShader"); +const QString KEY_FRAGMENT_SHADER = QStringLiteral("fragmentShader"); +const QString KEY_INTERNAL_FORMAT = QStringLiteral("internalFormat"); +const QString KEY_COMPONENT_TYPE = QStringLiteral("componentType"); +const QString KEY_ASPECT_RATIO = QStringLiteral("aspect_ratio"); +const QString KEY_VALUE = QStringLiteral("value"); +const QString KEY_ENABLE = QStringLiteral("enable"); +const QString KEY_FUNCTIONS = QStringLiteral("functions"); +const QString KEY_TECHNIQUE_CORE = QStringLiteral("techniqueCore"); +const QString KEY_TECHNIQUE_GL2 = QStringLiteral("techniqueGL2"); + +} // of anonymous namespace + +GLTFParser::GLTFParser() : QAbstractSceneParser(), + m_parseDone(false) +{ +} + +GLTFParser::~GLTFParser() +{ + +} + +void GLTFParser::setBasePath(const QString& path) +{ + m_basePath = path; +} + +bool GLTFParser::setJSON(const QJsonDocument &json ) +{ + if ( !json.isObject() ) { + return false; + } + + m_json = json; + m_parseDone = false; + + cleanup(); + + return true; +} + +/*! + * Sets the \a path used by the parser to load the scene file. + * If the file is valid, parsing is automatically triggered. + */ +void GLTFParser::setSource(const QUrl &source) +{ + const QString path = QUrlHelper::urlToLocalFileOrQrc(source); + QFile f(path); + if (Q_UNLIKELY(!f.open(QIODevice::ReadOnly))) { + qCWarning(GLTFParserLog) << "cannot open " << path << ": " << f.errorString(); + return; + } + + QByteArray jsonData = f.readAll(); + QJsonDocument sceneDocument = QJsonDocument::fromBinaryData(jsonData); + if (sceneDocument.isNull()) + sceneDocument = QJsonDocument::fromJson(jsonData); + + if (!setJSON(sceneDocument)) { + qCWarning(GLTFParserLog) << "not a JSON document"; + return; + } + + setBasePath(QFileInfo(path).dir().absolutePath()); +} + +/*! + * Returns true if the extension of \a path is supported by the + * GLTF parser. + */ +bool GLTFParser::isExtensionSupported(const QUrl &source) const +{ + const QString path = QUrlHelper::urlToLocalFileOrQrc(source); + return GLTFParser::isGLTFPath(path); +} + +Qt3DCore::QEntity* GLTFParser::node(const QString &id) +{ + QJsonObject nodes = m_json.object().value(KEY_NODES).toObject(); + if (!nodes.contains(id)) { + qCWarning(GLTFParserLog) << "unknown node" << id << "in GLTF file" << m_basePath; + return NULL; + } + + QJsonObject jsonObj = nodes.value(id).toObject(); + QEntity* result = Q_NULLPTR; + + // Qt3D has a limitation that a QEntity can only have 1 mesh and 1 material component + // So if the node has only 1 mesh, we only create 1 QEntity + // Otherwise if there are n meshes, there is 1 QEntity, with n children for each mesh/material combo + if (jsonObj.contains(KEY_MESHES)) { + QVector<QEntity *> entities; + + Q_FOREACH (QJsonValue mesh, jsonObj.value(KEY_MESHES).toArray()) { + if (!m_meshDict.contains(mesh.toString())) { + qCWarning(GLTFParserLog) << "node" << id << "references unknown mesh" << mesh.toString(); + continue; + } + + Q_FOREACH (QGeometryRenderer *geometryRenderer, m_meshDict.values(mesh.toString())) { + QEntity *entity = new QEntity; + entity->addComponent(geometryRenderer); + QMaterial *mat = material(m_meshMaterialDict[geometryRenderer]); + if (mat) + entity->addComponent(mat); + entities.append(entity); + } + + } + + if (entities.count() == 1) { + result = entities.first(); + } else { + result = new QEntity; + Q_FOREACH (QEntity *entity, entities) { + entity->setParent(result); + } + } + } + + //If the entity contains no meshes, results will still be null here + if (result == Q_NULLPTR) + result = new QEntity; + + if ( jsonObj.contains(KEY_CHILDREN) ) { + Q_FOREACH (QJsonValue c, jsonObj.value(KEY_CHILDREN).toArray()) { + QEntity* child = node(c.toString()); + if (!child) + continue; + child->setParent(result); + } + } + + renameFromJson(jsonObj, result); + + + // Node Transforms + Qt3DCore::QTransform *trans = Q_NULLPTR; + if ( jsonObj.contains(KEY_MATRIX) ) { + QMatrix4x4 m(Qt::Uninitialized); + + QJsonArray matrixValues = jsonObj.value(KEY_MATRIX).toArray(); + for (int i=0; i<16; ++i) { + double v = matrixValues.at( i ).toDouble(); + m(i % 4, i >> 2) = v; + } + + // ADD MATRIX TRANSFORM COMPONENT TO ENTITY + if (trans == Q_NULLPTR) + trans = new Qt3DCore::QTransform; + trans->setMatrix(m); + } + + // Rotation quaternion + if (jsonObj.contains(KEY_ROTATION)) { + if (trans == Q_NULLPTR) + trans = new Qt3DCore::QTransform; + + QJsonArray quaternionValues = jsonObj.value(KEY_ROTATION).toArray(); + QQuaternion quaternion(quaternionValues[0].toDouble(), + quaternionValues[1].toDouble(), + quaternionValues[2].toDouble(), + quaternionValues[3].toDouble()); + trans->setRotation(quaternion); + } + + // Translation + if (jsonObj.contains(KEY_TRANSLATION)) { + if (trans == Q_NULLPTR) + trans = new Qt3DCore::QTransform; + + QJsonArray translationValues = jsonObj.value(KEY_TRANSLATION).toArray(); + trans->setTranslation(QVector3D(translationValues[0].toDouble(), + translationValues[1].toDouble(), + translationValues[2].toDouble())); + } + + // Scale + if (jsonObj.contains(KEY_SCALE)) { + if (trans == Q_NULLPTR) + trans = new Qt3DCore::QTransform; + + QJsonArray scaleValues = jsonObj.value(KEY_SCALE).toArray(); + trans->setScale3D(QVector3D(scaleValues[0].toDouble(), + scaleValues[1].toDouble(), + scaleValues[2].toDouble())); + } + + // Add the Transform component + if (trans != Q_NULLPTR) + result->addComponent(trans); + + if ( jsonObj.contains(KEY_CAMERA) ) { + QCameraLens* cam = camera( jsonObj.value(KEY_CAMERA).toString() ); + if (!cam) { + qCWarning(GLTFParserLog) << "failed to build camera:" << jsonObj.value(KEY_CAMERA) + << "on node" << id; + } else { + result->addComponent(cam); + } + } // of have camera attribute + + return result; +} + +Qt3DCore::QEntity* GLTFParser::scene(const QString &id) +{ + parse(); + + QJsonObject scenes = m_json.object().value(KEY_SCENES).toObject(); + if (!scenes.contains(id)) { + if (!id.isNull()) + qCWarning(GLTFParserLog) << "GLTF: no such scene" << id << "in file" << m_basePath; + return defaultScene(); + } + + QJsonObject sceneObj = scenes.value(id).toObject(); + QEntity* sceneEntity = new QEntity; + Q_FOREACH (QJsonValue nnv, sceneObj.value(KEY_NODES).toArray()) { + QString nodeName = nnv.toString(); + QEntity* child = node(nodeName); + if (!child) + continue; + child->setParent(sceneEntity); + } + + return sceneEntity; +} + +GLTFParser::BufferData::BufferData() + : length(0) + , data(Q_NULLPTR) +{ +} + +GLTFParser::BufferData::BufferData(QJsonObject json) +{ + path = json.value(KEY_URI).toString(); + length = json.value(KEY_BYTE_LENGTH).toInt(); + data = Q_NULLPTR; +} + +GLTFParser::ParameterData::ParameterData() : + type(0) +{ + +} + +GLTFParser::ParameterData::ParameterData(QJsonObject json) +{ + type = json.value(KEY_TYPE).toInt(); + semantic = json.value(KEY_SEMANTIC).toString(); +} + +GLTFParser::AccessorData::AccessorData() + : type(QAttribute::Float) + , dataSize(0) + , count(0) + , offset(0) + , stride(0) +{ + +} + +GLTFParser::AccessorData::AccessorData(const QJsonObject &json) +{ + bufferViewName = json.value(KEY_BUFFER_VIEW).toString(); + offset = 0; + stride = 0; + int componentType = json.value(KEY_COMPONENT_TYPE).toInt(); + type = accessorTypeFromJSON(componentType); + count = json.value(KEY_COUNT).toInt(); + dataSize = accessorDataSizeFromJson(json.value(KEY_TYPE).toString()); + + if ( json.contains(KEY_BYTE_OFFSET)) + offset = json.value(KEY_BYTE_OFFSET).toInt(); + if ( json.contains(KEY_BYTE_STRIDE)) + stride = json.value(KEY_BYTE_STRIDE).toInt(); +} + +bool GLTFParser::isGLTFPath(const QString& path) +{ + QFileInfo finfo(path); + if (!finfo.exists()) + return false; + + // might need to detect other things in the future, but would + // prefer to avoid doing a full parse. + QString suffix = finfo.suffix().toLower(); + return (suffix == QStringLiteral("json") || suffix == QStringLiteral("gltf") || suffix == QStringLiteral("qgltf")); +} + +void GLTFParser::renameFromJson(const QJsonObject &json, QObject * const object) +{ + if ( json.contains(KEY_NAME) ) + object->setObjectName( json.value(KEY_NAME).toString() ); +} + +QString GLTFParser::standardUniformNamefromSemantic(const QString &semantic) +{ + //Standard Uniforms + //if (semantic == QStringLiteral("LOCAL")); + if (semantic == QStringLiteral("MODEL")) + return QStringLiteral("modelMatrix"); + if (semantic == QStringLiteral("VIEW")) + return QStringLiteral("viewMatrix"); + if (semantic == QStringLiteral("PROJECTION")) + return QStringLiteral("projectionMatrix"); + if (semantic == QStringLiteral("MODELVIEW")) + return QStringLiteral("modelView"); + if (semantic == QStringLiteral("MODELVIEWPROJECTION")) + return QStringLiteral("modelViewProjection"); + if (semantic == QStringLiteral("MODELINVERSE")) + return QStringLiteral("inverseModelMatrix"); + if (semantic == QStringLiteral("VIEWINVERSE")) + return QStringLiteral("inverViewMatrix"); + if (semantic == QStringLiteral("PROJECTIONINVERSE")) + return QStringLiteral("inverseProjectionMatrix"); + if (semantic == QStringLiteral("MODELVIEWPROJECTIONINVERSE")) + return QStringLiteral("inverseModelViewProjection"); + if (semantic == QStringLiteral("MODELINVERSETRANSPOSE")) + return QStringLiteral("modelNormalMatrix"); + if (semantic == QStringLiteral("MODELVIEWINVERSETRANSPOSE")) + return QStringLiteral("modelViewNormal"); + if (semantic == QStringLiteral("VIEWPORT")) + return QStringLiteral("viewportMatrix"); + + return QString(); +} + +QString GLTFParser::standardAttributeNameFromSemantic(const QString &semantic) +{ + //Standard Attributes + if (semantic.startsWith(QStringLiteral("POSITION"))) + return QAttribute::defaultPositionAttributeName(); + if (semantic.startsWith(QStringLiteral("NORMAL"))) + return QAttribute::defaultNormalAttributeName(); + if (semantic.startsWith(QStringLiteral("TEXCOORD"))) + return QAttribute::defaultTextureCoordinateAttributeName(); + if (semantic.startsWith(QStringLiteral("COLOR"))) + return QAttribute::defaultColorAttributeName(); + if (semantic.startsWith(QStringLiteral("TANGENT"))) + return QAttribute::defaultTangentAttributeName(); + +// if (semantic.startsWith(QStringLiteral("JOINT"))); +// if (semantic.startsWith(QStringLiteral("JOINTMATRIX"))); +// if (semantic.startsWith(QStringLiteral("WEIGHT"))); + + return QString(); +} + +QParameter *GLTFParser::parameterFromTechnique(QTechnique *technique, const QString ¶meterName) +{ + Q_FOREACH (QParameter *parameter, technique->parameters()) { + if (parameter->name() == parameterName) { + return parameter; + } + } + + return Q_NULLPTR; +} + +Qt3DCore::QEntity* GLTFParser::defaultScene() +{ + if (m_defaultScene.isEmpty()) { + qCWarning(GLTFParserLog) << Q_FUNC_INFO << "no default scene"; + return NULL; + } + + return scene(m_defaultScene); +} + +QMaterial *GLTFParser::materialWithCustomShader(const QString &id, const QJsonObject &jsonObj) +{ + //Default ES2 Technique + QString techniqueName = jsonObj.value(KEY_TECHNIQUE).toString(); + if (!m_techniques.contains(techniqueName)) { + qCWarning(GLTFParserLog) << "unknown technique" << techniqueName + << "for material" << id << "in GLTF file" << m_basePath; + return NULL; + } + QTechnique *technique = m_techniques.value(techniqueName); + technique->graphicsApiFilter()->setApi(QGraphicsApiFilter::OpenGLES); + technique->graphicsApiFilter()->setMajorVersion(2); + technique->graphicsApiFilter()->setMinorVersion(0); + technique->graphicsApiFilter()->setProfile(QGraphicsApiFilter::NoProfile); + + + //Optional Core technique + QTechnique *coreTechnique = Q_NULLPTR; + QTechnique *gl2Technique = Q_NULLPTR; + QString coreTechniqueName = jsonObj.value(KEY_TECHNIQUE_CORE).toString(); + if (!coreTechniqueName.isNull()) { + if (!m_techniques.contains(coreTechniqueName)) { + qCWarning(GLTFParserLog) << "unknown technique" << coreTechniqueName + << "for material" << id << "in GLTF file" << m_basePath; + } else { + coreTechnique = m_techniques.value(coreTechniqueName); + coreTechnique->graphicsApiFilter()->setApi(QGraphicsApiFilter::OpenGL); + coreTechnique->graphicsApiFilter()->setMajorVersion(3); + coreTechnique->graphicsApiFilter()->setMinorVersion(1); + coreTechnique->graphicsApiFilter()->setProfile(QGraphicsApiFilter::CoreProfile); + } + } + //Optional GL2 technique + QString gl2TechniqueName = jsonObj.value(KEY_TECHNIQUE_GL2).toString(); + if (!gl2TechniqueName.isNull()) { + if (!m_techniques.contains(gl2TechniqueName)) { + qCWarning(GLTFParserLog) << "unknown technique" << gl2TechniqueName + << "for material" << id << "in GLTF file" << m_basePath; + } else { + gl2Technique = m_techniques.value(gl2TechniqueName); + gl2Technique->graphicsApiFilter()->setApi(QGraphicsApiFilter::OpenGL); + gl2Technique->graphicsApiFilter()->setMajorVersion(2); + gl2Technique->graphicsApiFilter()->setMinorVersion(0); + gl2Technique->graphicsApiFilter()->setProfile(QGraphicsApiFilter::NoProfile); + } + } + + + // glTF doesn't deal in effects, but we need a trivial one to wrap + // up our techniques + // However we need to create a unique effect for each material instead + // of caching because QMaterial does not keep up with effects + // its not the parent of. + QEffect* effect = new QEffect; + effect->setObjectName(techniqueName); + effect->addTechnique(technique); + if (coreTechnique != Q_NULLPTR) + effect->addTechnique(coreTechnique); + if (gl2Technique != Q_NULLPTR) + effect->addTechnique(gl2Technique); + + QMaterial* mat = new QMaterial; + mat->setEffect(effect); + + renameFromJson(jsonObj, mat); + + QJsonObject values = jsonObj.value(KEY_VALUES).toObject(); + Q_FOREACH (QString vName, values.keys()) { + QParameter *param = parameterFromTechnique(technique, vName); + + if (param == Q_NULLPTR && coreTechnique != Q_NULLPTR) { + param = parameterFromTechnique(coreTechnique, vName); + } + + if (param == Q_NULLPTR && gl2Technique != Q_NULLPTR) { + param = parameterFromTechnique(gl2Technique, vName); + } + + if (param == Q_NULLPTR) { + qCWarning(GLTFParserLog) << "unknown parameter:" << vName << "in technique" << techniqueName + << "processing material" << id; + continue; + } + + ParameterData paramData = m_parameterDataDict.value(param); + QVariant var = parameterValueFromJSON(paramData.type, values.value(vName)); + + mat->addParameter(new QParameter(param->name(), var)); + } // of material technique-instance values iteration + + return mat; +} + +static inline QVariant vec4ToRgb(const QVariant &vec4Var) +{ + const QVector4D v = vec4Var.value<QVector4D>(); + return QVariant(QColor::fromRgbF(v.x(), v.y(), v.z())); +} + +QMaterial *GLTFParser::commonMaterial(const QJsonObject &jsonObj) +{ + QVariantHash params; + bool hasDiffuseMap = false; + bool hasSpecularMap = false; + bool hasNormalMap = false; + + QJsonObject values = jsonObj.value(KEY_VALUES).toObject(); + Q_FOREACH (const QString &vName, values.keys()) { + const QJsonValue val = values.value(vName); + QVariant var; + QString propertyName = vName; + if (vName == QStringLiteral("ambient") && val.isArray()) { + var = vec4ToRgb(parameterValueFromJSON(GL_FLOAT_VEC4, val)); + } else if (vName == QStringLiteral("diffuse")) { + if (val.isString()) { + var = parameterValueFromJSON(GL_SAMPLER_2D, val); + hasDiffuseMap = true; + } else if (val.isArray()) { + var = vec4ToRgb(parameterValueFromJSON(GL_FLOAT_VEC4, val)); + } + } else if (vName == QStringLiteral("specular")) { + if (val.isString()) { + var = parameterValueFromJSON(GL_SAMPLER_2D, val); + hasSpecularMap = true; + } else if (val.isArray()) { + var = vec4ToRgb(parameterValueFromJSON(GL_FLOAT_VEC4, val)); + } + } else if (vName == QStringLiteral("shininess") && val.isDouble()) { + var = parameterValueFromJSON(GL_FLOAT, val); + } else if (vName == QStringLiteral("normalmap") && val.isString()) { + var = parameterValueFromJSON(GL_SAMPLER_2D, val); + propertyName = QStringLiteral("normal"); + hasNormalMap = true; + } else if (vName == QStringLiteral("transparency")) { + qCWarning(GLTFParserLog) << "Semi-transparent common materials are not currently supported, ignoring alpha"; + } + if (var.isValid()) + params[propertyName] = var; + } + + QMaterial *mat = Q_NULLPTR; + if (hasNormalMap) { + if (hasSpecularMap) { + mat = new QNormalDiffuseSpecularMapMaterial; + } else { + if (hasDiffuseMap) + mat = new QNormalDiffuseMapMaterial; + else + qCWarning(GLTFParserLog) << "Common material with normal and specular maps needs a diffuse map as well"; + } + } else { + if (hasSpecularMap) { + if (hasDiffuseMap) + mat = new QDiffuseSpecularMapMaterial; + else + qCWarning(GLTFParserLog) << "Common material with specular map needs a diffuse map as well"; + } else if (hasDiffuseMap) { + mat = new QDiffuseMapMaterial; + } else { + mat = new QPhongMaterial; + } + } + + if (mat) { + for (QVariantHash::const_iterator it = params.constBegin(), itEnd = params.constEnd(); it != itEnd; ++it) + mat->setProperty(it.key().toUtf8(), it.value()); + } else { + qCWarning(GLTFParserLog) << "Could not find a suitable built-in material for KHR_materials_common"; + } + + return mat; +} + +QMaterial* GLTFParser::material(const QString &id) +{ + if (m_materialCache.contains(id)) + return m_materialCache.value(id); + + QJsonObject mats = m_json.object().value(KEY_MATERIALS).toObject(); + if (!mats.contains(id)) { + qCWarning(GLTFParserLog) << "unknown material" << id << "in GLTF file" << m_basePath; + return NULL; + } + + QJsonObject jsonObj = mats.value(id).toObject(); + + QMaterial *mat = Q_NULLPTR; + + // Prefer common materials over custom shaders. + if (jsonObj.contains(KEY_EXTENSIONS)) { + QJsonObject extensions = jsonObj.value(KEY_EXTENSIONS).toObject(); + if (extensions.contains(KEY_COMMON_MAT)) + mat = commonMaterial(extensions.value(KEY_COMMON_MAT).toObject()); + } + + if (!mat) + mat = materialWithCustomShader(id, jsonObj); + + m_materialCache[id] = mat; + return mat; +} + +QCameraLens* GLTFParser::camera(const QString &id) const +{ + QJsonObject cams = m_json.object().value(KEY_CAMERAS).toObject(); + if (!cams.contains(id)) { + qCWarning(GLTFParserLog) << "unknown camera" << id << "in GLTF file" << m_basePath; + return Q_NULLPTR; + } + + QJsonObject jsonObj = cams.value(id).toObject(); + QString camTy = jsonObj.value(KEY_TYPE).toString(); + + if (camTy == QStringLiteral("perspective")) { + if (!jsonObj.contains(KEY_PERSPECTIVE)) { + qCWarning(GLTFParserLog) << "camera:" << id << "missing 'perspective' object"; + return Q_NULLPTR; + } + + QJsonObject pObj = jsonObj.value(KEY_PERSPECTIVE).toObject(); + double aspectRatio = pObj.value(KEY_ASPECT_RATIO).toDouble(); + double yfov = pObj.value(KEY_YFOV).toDouble(); + double frustumNear = pObj.value(KEY_ZNEAR).toDouble(); + double frustumFar = pObj.value(KEY_ZFAR).toDouble(); + + QCameraLens* result = new QCameraLens; + result->setPerspectiveProjection(yfov, aspectRatio, frustumNear, frustumFar); + return result; + } else if (camTy == QStringLiteral("orthographic")) { + qCWarning(GLTFParserLog) << Q_FUNC_INFO << "implement me"; + + return Q_NULLPTR; + } else { + qCWarning(GLTFParserLog) << "camera:" << id << "has unsupported type:" << camTy; + return Q_NULLPTR; + } +} + + +void GLTFParser::parse() +{ + if (m_parseDone) + return; + + QJsonObject buffers = m_json.object().value(KEY_BUFFERS).toObject(); + Q_FOREACH (QString nm, buffers.keys()) { + processJSONBuffer( nm, buffers.value(nm).toObject() ); + } + + QJsonObject views = m_json.object().value(KEY_BUFFER_VIEWS).toObject(); + loadBufferData(); + Q_FOREACH (QString nm, views.keys()) { + processJSONBufferView( nm, views.value(nm).toObject() ); + } + unloadBufferData(); + + QJsonObject shaders = m_json.object().value(KEY_SHADERS).toObject(); + Q_FOREACH (QString nm, shaders.keys()) { + processJSONShader( nm, shaders.value(nm).toObject() ); + } + + QJsonObject programs = m_json.object().value(KEY_PROGRAMS).toObject(); + Q_FOREACH (QString nm, programs.keys()) { + processJSONProgram( nm, programs.value(nm).toObject() ); + } + + QJsonObject techniques = m_json.object().value(KEY_TECHNIQUES).toObject(); + Q_FOREACH (QString nm, techniques.keys()) { + processJSONTechnique( nm, techniques.value(nm).toObject() ); + } + + QJsonObject attrs = m_json.object().value(KEY_ACCESSORS).toObject(); + Q_FOREACH (QString nm, attrs.keys()) { + processJSONAccessor( nm, attrs.value(nm).toObject() ); + } + + QJsonObject meshes = m_json.object().value(KEY_MESHES).toObject(); + Q_FOREACH (QString nm, meshes.keys()) { + processJSONMesh( nm, meshes.value(nm).toObject() ); + } + + QJsonObject images = m_json.object().value(KEY_IMAGES).toObject(); + Q_FOREACH (QString nm, images.keys()) { + processJSONImage( nm, images.value(nm).toObject() ); + } + + QJsonObject textures = m_json.object().value(KEY_TEXTURES).toObject(); + Q_FOREACH (QString nm, textures.keys()) { + processJSONTexture(nm, textures.value(nm).toObject() ); + } + + m_defaultScene = m_json.object().value(KEY_SCENE).toString(); + m_parseDone = true; +} + +void GLTFParser::cleanup() +{ + m_meshDict.clear(); + m_meshMaterialDict.clear(); + m_accessorDict.clear(); + //Check for Materials with no parent + Q_FOREACH (QMaterial *material, m_materialCache.values()) { + if (material->parent() == Q_NULLPTR) + delete material; + } + m_materialCache.clear(); + m_bufferDatas.clear(); + m_buffers.clear(); + m_shaderPaths.clear(); + //Check for ShaderPrograms with no parent + Q_FOREACH (QShaderProgram *program, m_programs.values()) { + if (program->parent() == Q_NULLPTR) + delete program; + } + m_programs.clear(); + //Check for Techniques with no parent + Q_FOREACH (QTechnique *technique, m_techniques.values()) { + if (technique->parent() == Q_NULLPTR) + delete technique; + } + m_techniques.clear(); + //Check for Textures with no parent + Q_FOREACH (QAbstractTextureProvider *texture, m_textures.values()) { + if (texture->parent() == Q_NULLPTR) + delete texture; + } + m_textures.clear(); + m_imagePaths.clear(); + m_defaultScene.clear(); + m_parameterDataDict.clear(); +} + +void GLTFParser::processJSONBuffer(const QString &id, const QJsonObject& json) +{ + // simply cache buffers for lookup by buffer-views + m_bufferDatas[id] = BufferData(json); +} + +void GLTFParser::processJSONBufferView(const QString &id, const QJsonObject& json) +{ + QString bufName = json.value(KEY_BUFFER).toString(); + if (!m_bufferDatas.contains(bufName)) { + qCWarning(GLTFParserLog) << "unknown buffer:" << bufName << "processing view:" << id; + return; + } + + int target = json.value(KEY_TARGET).toInt(); + QBuffer::BufferType ty(QBuffer::VertexBuffer); + + switch (target) { + case GL_ARRAY_BUFFER: ty = QBuffer::VertexBuffer; break; + case GL_ELEMENT_ARRAY_BUFFER: ty = QBuffer::IndexBuffer; break; + default: + qCWarning(GLTFParserLog) << Q_FUNC_INFO << "buffer" << id << "unsupported target:" << target; + return; + } + + quint64 offset = 0; + if (json.contains(KEY_BYTE_OFFSET)) { + offset = json.value(KEY_BYTE_OFFSET).toInt(); + qCDebug(GLTFParserLog) << "bv:" << id << "has offset:" << offset; + } + + quint64 len = json.value(KEY_BYTE_LENGTH).toInt(); + + QByteArray bytes(m_bufferDatas[bufName].data->mid(offset, len)); + if (bytes.count() != (int) len) { + qCWarning(GLTFParserLog) << "failed to read sufficient bytes from:" << m_bufferDatas[bufName].path + << "for view" << id; + } + + QBuffer *b(new QBuffer(ty)); + b->setData(bytes); + m_buffers[id] = b; +} + +void GLTFParser::processJSONShader(const QString &id, const QJsonObject &jsonObject) +{ + // shaders are trivial for the moment, defer the real work + // to the program section + QString path = jsonObject.value(KEY_URI).toString(); + + QFileInfo info(m_basePath, path); + if (!info.exists()) { + qCWarning(GLTFParserLog) << "can't find shader" << id << "from path" << path; + return; + } + + m_shaderPaths[id] = info.absoluteFilePath(); +} + +void GLTFParser::processJSONProgram(const QString &id, const QJsonObject &jsonObject) +{ + QShaderProgram* prog = new QShaderProgram; + prog->setObjectName(id); + + QString fragName = jsonObject.value(KEY_FRAGMENT_SHADER).toString(), + vertName = jsonObject.value(KEY_VERTEX_SHADER).toString(); + if (!m_shaderPaths.contains(fragName) || !m_shaderPaths.contains(vertName)) { + qCWarning(GLTFParserLog) << Q_FUNC_INFO << "program:" << id << "missing shader:" + << fragName << vertName; + return; + } + + prog->setFragmentShaderCode(QShaderProgram::loadSource(QUrl::fromLocalFile(m_shaderPaths[fragName]))); + prog->setVertexShaderCode(QShaderProgram::loadSource(QUrl::fromLocalFile(m_shaderPaths[vertName]))); + m_programs[id] = prog; +} + +void GLTFParser::processJSONTechnique(const QString &id, const QJsonObject &jsonObject ) +{ + QTechnique *t = new QTechnique; + t->setObjectName(id); + + // Parameters + QHash<QString, QParameter*> paramDict; + QJsonObject params = jsonObject.value(KEY_PARAMETERS).toObject(); + Q_FOREACH (QString pname, params.keys()) { + QJsonObject po = params.value(pname).toObject(); + + //QString semantic = po.value(KEY_SEMANTIC).toString(); + QParameter *p = new QParameter(t); + p->setName(pname); + m_parameterDataDict.insert(p, ParameterData(po)); + + //If the parameter has default value, set it + QJsonValue value = po.value(KEY_VALUE); + if (!value.isUndefined()) { + int dataType = po.value(KEY_TYPE).toInt(); + p->setValue(parameterValueFromJSON(dataType, value)); + } + + t->addParameter(p); + + paramDict[pname] = p; + } // of parameters iteration + + // Program + QString programName = jsonObject.value(KEY_PROGRAM).toString(); + if (!m_programs.contains(programName)) { + qCWarning(GLTFParserLog) << Q_FUNC_INFO << "technique" << id + << ": missing program" << programName; + } + + QRenderPass* pass = new QRenderPass; + pass->setShaderProgram(m_programs[programName]); + + // Attributes + QJsonObject attrs = jsonObject.value(KEY_ATTRIBUTES).toObject(); + Q_FOREACH ( QString shaderAttributeName, attrs.keys() ) { + QString pname = attrs.value(shaderAttributeName).toString(); + QParameter *parameter = paramDict.value(pname, Q_NULLPTR); + QString attributeName = pname; + if (parameter == Q_NULLPTR) { + qCWarning(GLTFParserLog) << Q_FUNC_INFO << "attribute " << pname + << "defined in instanceProgram but not as parameter"; + continue; + } + //Check if the parameter has a standard attribute semantic + QString standardAttributeName = standardAttributeNameFromSemantic(m_parameterDataDict[parameter].semantic); + if (!standardAttributeName.isNull()) { + attributeName = standardAttributeName; + t->removeParameter(parameter); + m_parameterDataDict.remove(parameter); + delete parameter; + } + + pass->addBinding(new QParameterMapping(attributeName, shaderAttributeName, QParameterMapping::Attribute)); + } // of program-instance attributes + + // Uniforms + QJsonObject uniforms = jsonObject.value(KEY_UNIFORMS).toObject(); + Q_FOREACH (QString shaderUniformName, uniforms.keys()) { + QString pname = uniforms.value(shaderUniformName).toString(); + QParameter *parameter = paramDict.value(pname, Q_NULLPTR); + if (parameter == Q_NULLPTR) { + qCWarning(GLTFParserLog) << Q_FUNC_INFO << "uniform " << pname + << "defined in instanceProgram but not as parameter"; + continue; + } + //Check if the parameter has a standard uniform semantic + QString standardUniformName = standardUniformNamefromSemantic(m_parameterDataDict[parameter].semantic); + if (standardUniformName.isNull()) { + pass->addBinding(new QParameterMapping(pname, shaderUniformName, QParameterMapping::Uniform)); + } else { + pass->addBinding(new QParameterMapping(standardUniformName, shaderUniformName, QParameterMapping::StandardUniform)); + t->removeParameter(parameter); + m_parameterDataDict.remove(parameter); + delete parameter; + } + } // of program-instance uniforms + + + // States + QJsonObject states = jsonObject.value(KEY_STATES).toObject(); + + //Process states to enable + QJsonArray enableStatesArray = states.value(KEY_ENABLE).toArray(); + QVector<int> enableStates; + Q_FOREACH (QJsonValue enableValue, enableStatesArray) { + enableStates.append(enableValue.toInt()); + } + + //Process the list of state functions + QJsonObject functions = states.value(KEY_FUNCTIONS).toObject(); + Q_FOREACH (QString functionName, functions.keys()) { + int enableStateType = 0; + QRenderState *renderState = buildState(functionName, functions.value(functionName), enableStateType); + if (renderState != Q_NULLPTR) { + //Remove the need to set a default state values for enableStateType + enableStates.removeOne(enableStateType); + pass->addRenderState(renderState); + } + } + + //Create render states with default values for any remaining enable states + Q_FOREACH (int enableState, enableStates) { + QRenderState *renderState = buildStateEnable(enableState); + if (renderState != Q_NULLPTR) + pass->addRenderState(renderState); + } + + + t->addPass(pass); + + m_techniques[id] = t; +} + +void GLTFParser::processJSONAccessor( const QString &id, const QJsonObject& json ) +{ + m_accessorDict[id] = AccessorData(json); +} + +void GLTFParser::processJSONMesh(const QString &id, const QJsonObject &json) +{ + QJsonArray primitivesArray = json.value(KEY_PRIMITIVES).toArray(); + Q_FOREACH (QJsonValue primitiveValue, primitivesArray) { + QJsonObject primitiveObject = primitiveValue.toObject(); + int type = primitiveObject.value(KEY_MODE).toInt(); + QString material = primitiveObject.value(KEY_MATERIAL).toString(); + + if ( material.isEmpty()) { + qCWarning(GLTFParserLog) << "malformed primitive on " << id << ", missing material value" + << material; + continue; + } + + QGeometryRenderer *geometryRenderer = new QGeometryRenderer; + QGeometry *meshGeometry = new QGeometry(geometryRenderer); + + //Set Primitive Type + geometryRenderer->setPrimitiveType(static_cast<QGeometryRenderer::PrimitiveType>(type)); + + //Save Material for mesh + m_meshMaterialDict[geometryRenderer] = material; + + QJsonObject attrs = primitiveObject.value(KEY_ATTRIBUTES).toObject(); + Q_FOREACH (QString attrName, attrs.keys()) { + QString k = attrs.value(attrName).toString(); + if (!m_accessorDict.contains(k)) { + qCWarning(GLTFParserLog) << "unknown attribute accessor:" << k << "on mesh" << id; + continue; + } + + QString attributeName = standardAttributeNameFromSemantic(attrName); + if (attributeName.isEmpty()) + attributeName = attrName; + + //Get buffer handle for accessor + QBuffer *buffer = m_buffers.value(m_accessorDict[k].bufferViewName, Q_NULLPTR); + if (buffer == Q_NULLPTR) { + qCWarning(GLTFParserLog) << "unknown buffer-view:" << m_accessorDict[k].bufferViewName << "processing accessor:" << id; + continue; + } + + QAttribute *attribute = new QAttribute(buffer, + attributeName, + m_accessorDict[k].type, + m_accessorDict[k].dataSize, + m_accessorDict[k].count, + m_accessorDict[k].offset, + m_accessorDict[k].stride); + attribute->setAttributeType(QAttribute::VertexAttribute); + meshGeometry->addAttribute(attribute); + } + + if ( primitiveObject.contains(KEY_INDICES)) { + QString k = primitiveObject.value(KEY_INDICES).toString(); + if (!m_accessorDict.contains(k)) { + qCWarning(GLTFParserLog) << "unknown index accessor:" << k << "on mesh" << id; + } else { + //Get buffer handle for accessor + QBuffer *buffer = m_buffers.value(m_accessorDict[k].bufferViewName, Q_NULLPTR); + if (buffer == Q_NULLPTR) { + qCWarning(GLTFParserLog) << "unknown buffer-view:" << m_accessorDict[k].bufferViewName << "processing accessor:" << id; + continue; + } + + QAttribute *attribute = new QAttribute(buffer, + m_accessorDict[k].type, + m_accessorDict[k].dataSize, + m_accessorDict[k].count, + m_accessorDict[k].offset, + m_accessorDict[k].stride); + attribute->setAttributeType(QAttribute::IndexAttribute); + meshGeometry->addAttribute(attribute); + } + } // of has indices + + geometryRenderer->setGeometry(meshGeometry); + + m_meshDict.insert( id, geometryRenderer); + } // of primitives iteration +} + +void GLTFParser::processJSONImage(const QString &id, const QJsonObject &jsonObject) +{ + QString path = jsonObject.value(KEY_URI).toString(); + QFileInfo info(m_basePath, path); + if (!info.exists()) { + qCWarning(GLTFParserLog) << "can't find image" << id << "from path" << path; + return; + } + + m_imagePaths[id] = info.absoluteFilePath(); +} + +void GLTFParser::processJSONTexture(const QString &id, const QJsonObject &jsonObject) +{ + int target = jsonObject.value(KEY_TARGET).toInt(GL_TEXTURE_2D); + //TODO: support other targets that GL_TEXTURE_2D (though the spec doesn't support anything else) + if (target != GL_TEXTURE_2D) { + qCWarning(GLTFParserLog) << "unsupported texture target: " << target; + return; + } + + QTexture2D* tex = new QTexture2D; + + // TODO: Choose suitable internal format - may vary on OpenGL context type + //int pixelFormat = jsonObj.value(KEY_FORMAT).toInt(GL_RGBA); + int internalFormat = jsonObject.value(KEY_INTERNAL_FORMAT).toInt(GL_RGBA); + + tex->setFormat(static_cast<QAbstractTextureProvider::TextureFormat>(internalFormat)); + + QString samplerId = jsonObject.value(KEY_SAMPLER).toString(); + QString source = jsonObject.value(KEY_SOURCE).toString(); + if (!m_imagePaths.contains(source)) { + qCWarning(GLTFParserLog) << "texture" << id << "references missing image" << source; + return; + } + + QTextureImage *texImage = new QTextureImage(tex); + texImage->setSource(QUrl::fromLocalFile(m_imagePaths[source])); + tex->addTextureImage(texImage); + + QJsonObject samplersDict(m_json.object().value(KEY_SAMPLERS).toObject()); + if (!samplersDict.contains(samplerId)) { + qCWarning(GLTFParserLog) << "texture" << id << "references unknown sampler" << samplerId; + return; + } + + QJsonObject sampler = samplersDict.value(samplerId).toObject(); + + tex->setWrapMode(QTextureWrapMode(static_cast<QTextureWrapMode::WrapMode>(sampler.value(KEY_WRAP_S).toInt()))); + tex->setMinificationFilter(static_cast<QAbstractTextureProvider::Filter>(sampler.value(KEY_MIN_FILTER).toInt())); + if (tex->minificationFilter() == QAbstractTextureProvider::NearestMipMapLinear || + tex->minificationFilter() == QAbstractTextureProvider::LinearMipMapNearest || + tex->minificationFilter() == QAbstractTextureProvider::NearestMipMapNearest || + tex->minificationFilter() == QAbstractTextureProvider::LinearMipMapLinear) { + + tex->setGenerateMipMaps(true); + } + tex->setMagnificationFilter(static_cast<QAbstractTextureProvider::Filter>(sampler.value(KEY_MAG_FILTER).toInt())); + + m_textures[id] = tex; +} + +void GLTFParser::loadBufferData() +{ + Q_FOREACH (QString bufferName, m_bufferDatas.keys()) { + if (m_bufferDatas[bufferName].data == Q_NULLPTR) { + QFile* bufferFile = resolveLocalData(m_bufferDatas[bufferName].path); + QByteArray *data = new QByteArray(bufferFile->readAll()); + m_bufferDatas[bufferName].data = data; + delete bufferFile; + } + } +} + +void GLTFParser::unloadBufferData() +{ + Q_FOREACH (QString bufferName, m_bufferDatas.keys()) { + QByteArray *data = m_bufferDatas[bufferName].data; + delete data; + } +} + +QFile *GLTFParser::resolveLocalData(QString path) const +{ + QDir d(m_basePath); + Q_ASSERT(d.exists()); + + QString absPath = d.absoluteFilePath(path); + QFile* f = new QFile(absPath); + f->open(QIODevice::ReadOnly); + return f; +} + +QVariant GLTFParser::parameterValueFromJSON(int type, const QJsonValue &value) const +{ + if (value.isBool()) { + if (type == GL_BOOL) + return QVariant(static_cast<GLboolean>(value.toBool())); + } else if (value.isString()) { + if (type == GL_SAMPLER_2D) { + //Textures are special because we need to do a lookup to return the + //QAbstractTextureProvider + QString textureId = value.toString(); + if (!m_textures.contains(textureId)) { + qCWarning(GLTFParserLog) << "unknown texture" << textureId; + return QVariant(); + } else { + return QVariant::fromValue(m_textures.value(textureId)); + } + } + } else if (value.isDouble()) { + switch (type) { + case GL_BYTE: + return QVariant(static_cast<GLbyte>(value.toInt())); + case GL_UNSIGNED_BYTE: + return QVariant(static_cast<GLubyte>(value.toInt())); + case GL_SHORT: + return QVariant(static_cast<GLshort>(value.toInt())); + case GL_UNSIGNED_SHORT: + return QVariant(static_cast<GLushort>(value.toInt())); + case GL_INT: + return QVariant(static_cast<GLint>(value.toInt())); + case GL_UNSIGNED_INT: + return QVariant(static_cast<GLuint>(value.toInt())); + case GL_FLOAT: + return QVariant(static_cast<GLfloat>(value.toDouble())); + } + } else if (value.isArray()) { + + QJsonArray valueArray = value.toArray(); + + QVector2D vector2D; + QVector3D vector3D; + QVector4D vector4D; + QVector<float> dataMat2(4, 0.0f); + QVector<float> dataMat3(9, 0.0f); + + switch (type) { + case GL_BYTE: + return QVariant(static_cast<GLbyte>(valueArray.first().toInt())); + case GL_UNSIGNED_BYTE: + return QVariant(static_cast<GLubyte>(valueArray.first().toInt())); + case GL_SHORT: + return QVariant(static_cast<GLshort>(valueArray.first().toInt())); + case GL_UNSIGNED_SHORT: + return QVariant(static_cast<GLushort>(valueArray.first().toInt())); + case GL_INT: + return QVariant(static_cast<GLint>(valueArray.first().toInt())); + case GL_UNSIGNED_INT: + return QVariant(static_cast<GLuint>(valueArray.first().toInt())); + case GL_FLOAT: + return QVariant(static_cast<GLfloat>(valueArray.first().toDouble())); + case GL_FLOAT_VEC2: + vector2D.setX(static_cast<GLfloat>(valueArray.at(0).toDouble())); + vector2D.setY(static_cast<GLfloat>(valueArray.at(1).toDouble())); + return QVariant(vector2D); + case GL_FLOAT_VEC3: + vector3D.setX(static_cast<GLfloat>(valueArray.at(0).toDouble())); + vector3D.setY(static_cast<GLfloat>(valueArray.at(1).toDouble())); + vector3D.setZ(static_cast<GLfloat>(valueArray.at(2).toDouble())); + return QVariant(vector3D); + case GL_FLOAT_VEC4: + vector4D.setX(static_cast<GLfloat>(valueArray.at(0).toDouble())); + vector4D.setY(static_cast<GLfloat>(valueArray.at(1).toDouble())); + vector4D.setZ(static_cast<GLfloat>(valueArray.at(2).toDouble())); + vector4D.setW(static_cast<GLfloat>(valueArray.at(3).toDouble())); + return QVariant(vector4D); + case GL_INT_VEC2: + vector2D.setX(static_cast<GLint>(valueArray.at(0).toInt())); + vector2D.setY(static_cast<GLint>(valueArray.at(1).toInt())); + return QVariant(vector2D); + case GL_INT_VEC3: + vector3D.setX(static_cast<GLint>(valueArray.at(0).toInt())); + vector3D.setY(static_cast<GLint>(valueArray.at(1).toInt())); + vector3D.setZ(static_cast<GLint>(valueArray.at(2).toInt())); + return QVariant(vector3D); + case GL_INT_VEC4: + vector4D.setX(static_cast<GLint>(valueArray.at(0).toInt())); + vector4D.setY(static_cast<GLint>(valueArray.at(1).toInt())); + vector4D.setZ(static_cast<GLint>(valueArray.at(2).toInt())); + vector4D.setW(static_cast<GLint>(valueArray.at(3).toInt())); + return QVariant(vector4D); + case GL_BOOL: + return QVariant(static_cast<GLboolean>(valueArray.first().toBool())); + case GL_BOOL_VEC2: + vector2D.setX(static_cast<GLboolean>(valueArray.at(0).toBool())); + vector2D.setY(static_cast<GLboolean>(valueArray.at(1).toBool())); + return QVariant(vector2D); + case GL_BOOL_VEC3: + vector3D.setX(static_cast<GLboolean>(valueArray.at(0).toBool())); + vector3D.setY(static_cast<GLboolean>(valueArray.at(1).toBool())); + vector3D.setZ(static_cast<GLboolean>(valueArray.at(2).toBool())); + return QVariant(vector3D); + case GL_BOOL_VEC4: + vector4D.setX(static_cast<GLboolean>(valueArray.at(0).toBool())); + vector4D.setY(static_cast<GLboolean>(valueArray.at(1).toBool())); + vector4D.setZ(static_cast<GLboolean>(valueArray.at(2).toBool())); + vector4D.setW(static_cast<GLboolean>(valueArray.at(3).toBool())); + return QVariant(vector4D); + case GL_FLOAT_MAT2: + //Matrix2x2 is in Row Major ordering (so we need to convert) + dataMat2[0] = static_cast<GLfloat>(valueArray.at(0).toDouble()); + dataMat2[1] = static_cast<GLfloat>(valueArray.at(2).toDouble()); + dataMat2[2] = static_cast<GLfloat>(valueArray.at(1).toDouble()); + dataMat2[3] = static_cast<GLfloat>(valueArray.at(3).toDouble()); + return QVariant::fromValue(QMatrix2x2(dataMat2.constData())); + case GL_FLOAT_MAT3: + //Matrix3x3 is in Row Major ordering (so we need to convert) + dataMat3[0] = static_cast<GLfloat>(valueArray.at(0).toDouble()); + dataMat3[1] = static_cast<GLfloat>(valueArray.at(3).toDouble()); + dataMat3[2] = static_cast<GLfloat>(valueArray.at(6).toDouble()); + dataMat3[3] = static_cast<GLfloat>(valueArray.at(1).toDouble()); + dataMat3[4] = static_cast<GLfloat>(valueArray.at(4).toDouble()); + dataMat3[5] = static_cast<GLfloat>(valueArray.at(7).toDouble()); + dataMat3[6] = static_cast<GLfloat>(valueArray.at(2).toDouble()); + dataMat3[7] = static_cast<GLfloat>(valueArray.at(5).toDouble()); + dataMat3[8] = static_cast<GLfloat>(valueArray.at(8).toDouble()); + return QVariant::fromValue(QMatrix3x3(dataMat3.constData())); + case GL_FLOAT_MAT4: + //Matrix4x4 is Column Major ordering + return QVariant(QMatrix4x4(static_cast<GLfloat>(valueArray.at(0).toDouble()), + static_cast<GLfloat>(valueArray.at(1).toDouble()), + static_cast<GLfloat>(valueArray.at(2).toDouble()), + static_cast<GLfloat>(valueArray.at(3).toDouble()), + static_cast<GLfloat>(valueArray.at(4).toDouble()), + static_cast<GLfloat>(valueArray.at(5).toDouble()), + static_cast<GLfloat>(valueArray.at(6).toDouble()), + static_cast<GLfloat>(valueArray.at(7).toDouble()), + static_cast<GLfloat>(valueArray.at(8).toDouble()), + static_cast<GLfloat>(valueArray.at(9).toDouble()), + static_cast<GLfloat>(valueArray.at(10).toDouble()), + static_cast<GLfloat>(valueArray.at(11).toDouble()), + static_cast<GLfloat>(valueArray.at(12).toDouble()), + static_cast<GLfloat>(valueArray.at(13).toDouble()), + static_cast<GLfloat>(valueArray.at(14).toDouble()), + static_cast<GLfloat>(valueArray.at(15).toDouble()))); + case GL_SAMPLER_2D: + return QVariant(valueArray.at(0).toString()); + } + } + return QVariant(); +} + +QAttribute::DataType GLTFParser::accessorTypeFromJSON(int componentType) +{ + if (componentType == GL_BYTE) { + return QAttribute::Byte; + } else if (componentType == GL_UNSIGNED_BYTE) { + return QAttribute::UnsignedByte; + } else if (componentType == GL_SHORT) { + return QAttribute::Short; + } else if (componentType == GL_UNSIGNED_SHORT) { + return QAttribute::UnsignedShort; + } else if (componentType == GL_UNSIGNED_INT) { + return QAttribute::UnsignedInt; + } else if (componentType == GL_FLOAT) { + return QAttribute::Float; + } + + //There shouldn't be an invalid case here + qCWarning(GLTFParserLog) << "unsupported accessor type" << componentType; + return QAttribute::Float; +} + +uint GLTFParser::accessorDataSizeFromJson(const QString &type) +{ + QString typeName = type.toUpper(); + if (typeName == "SCALAR") + return 1; + if (typeName == "VEC2") + return 2; + if (typeName == "VEC3") + return 3; + if (typeName == "VEC4") + return 4; + if (typeName == "MAT2") + return 4; + if (typeName == "MAT3") + return 9; + if (typeName == "MAT4") + return 16; + + return 0; +} + +QRenderState *GLTFParser::buildStateEnable(int state) +{ + int type = 0; + //By calling buildState with QJsonValue(), a Render State with + //default values is created. + + if (state == GL_BLEND) { + //It doesn't make sense to handle this state alone + return Q_NULLPTR; + } + + if (state == GL_CULL_FACE) { + return buildState(QStringLiteral("cullFace"), QJsonValue(), type); + } + + if (state == GL_DEPTH_TEST) { + return buildState(QStringLiteral("depthFunc"), QJsonValue(), type); + } + + if (state == GL_POLYGON_OFFSET_FILL) { + return buildState(QStringLiteral("polygonOffset"), QJsonValue(), type); + } + + if (state == GL_SAMPLE_ALPHA_TO_COVERAGE) { + return new QAlphaCoverage(); + } + + if (state == GL_SCISSOR_TEST) { + return buildState(QStringLiteral("scissor"), QJsonValue(), type); + } + + qCWarning(GLTFParserLog) << Q_FUNC_INFO << "unsupported render state:" << state; + + return Q_NULLPTR; +} + +QRenderState* GLTFParser::buildState(const QString& functionName, const QJsonValue &value, int &type) +{ + type = -1; + QJsonArray values = value.toArray(); + + if (functionName == QStringLiteral("blendColor")) { + type = GL_BLEND; + //TODO: support render state blendColor + qCWarning(GLTFParserLog) << Q_FUNC_INFO << "unsupported render state:" << functionName; + return Q_NULLPTR; + } + + if (functionName == QStringLiteral("blendEquationSeparate")) { + type = GL_BLEND; + //TODO: support settings blendEquation alpha + QBlendEquation *blendEquation = new QBlendEquation; + blendEquation->setMode((QBlendEquation::BlendMode)values.at(0).toInt(GL_FUNC_ADD)); + return blendEquation; + } + + if (functionName == QStringLiteral("blendFuncSeparate")) { + type = GL_BLEND; + QBlendStateSeparate *blendState = new QBlendStateSeparate; + blendState->setSrcRGB((QBlendState::Blending)values.at(0).toInt(GL_ONE)); + blendState->setSrcAlpha((QBlendState::Blending)values.at(1).toInt(GL_ONE)); + blendState->setDstRGB((QBlendState::Blending)values.at(2).toInt(GL_ZERO)); + blendState->setDstAlpha((QBlendState::Blending)values.at(3).toInt(GL_ZERO)); + return blendState; + } + + if (functionName == QStringLiteral("colorMask")) { + QColorMask *colorMask = new QColorMask; + colorMask->setRed(values.at(0).toBool(true)); + colorMask->setGreen(values.at(1).toBool(true)); + colorMask->setBlue(values.at(2).toBool(true)); + colorMask->setAlpha(values.at(3).toBool(true)); + return colorMask; + } + + if (functionName == QStringLiteral("cullFace")) { + type = GL_CULL_FACE; + QCullFace *cullFace = new QCullFace; + cullFace->setMode((QCullFace::CullingMode)values.at(0).toInt(GL_BACK)); + return cullFace; + } + + if (functionName == QStringLiteral("depthFunc")) { + type = GL_DEPTH_TEST; + QDepthTest *depthTest = new QDepthTest; + depthTest->setFunc((QDepthTest::DepthFunc)values.at(0).toInt(GL_LESS)); + return depthTest; + } + + if (functionName == QStringLiteral("depthMask")) { + QDepthMask *depthMask = new QDepthMask; + depthMask->setMask(values.at(0).toBool(true)); + } + + if (functionName == QStringLiteral("depthRange")) { + //TODO: support render state depthRange + qCWarning(GLTFParserLog) << Q_FUNC_INFO << "unsupported render state:" << functionName; + return Q_NULLPTR; + } + + if (functionName == QStringLiteral("frontFace")) { + QFrontFace *frontFace = new QFrontFace; + frontFace->setDirection((QFrontFace::FaceDir)values.at(0).toInt(GL_CCW)); + return frontFace; + } + + if (functionName == QStringLiteral("lineWidth")) { + //TODO: support render state lineWidth + qCWarning(GLTFParserLog) << Q_FUNC_INFO << "unsupported render state:" << functionName; + return Q_NULLPTR; + } + + if (functionName == QStringLiteral("polygonOffset")) { + type = GL_POLYGON_OFFSET_FILL; + QPolygonOffset *polygonOffset = new QPolygonOffset; + polygonOffset->setFactor((float)values.at(0).toDouble(0.0f)); + polygonOffset->setUnits((float)values.at(1).toDouble(0.0f)); + return polygonOffset; + } + + if (functionName == QStringLiteral("scissor")) { + type = GL_SCISSOR_TEST; + QScissorTest *scissorTest = new QScissorTest; + scissorTest->setLeft(values.at(0).toDouble(0.0f)); + scissorTest->setBottom(values.at(1).toDouble(0.0f)); + scissorTest->setWidth(values.at(2).toDouble(0.0f)); + scissorTest->setHeight(values.at(3).toDouble(0.0f)); + return scissorTest; + } + + qCWarning(GLTFParserLog) << Q_FUNC_INFO << "unsupported render state:" << functionName; + return Q_NULLPTR; +} + +} // namespace Qt3DRender + +QT_END_NAMESPACE diff --git a/src/render/frontend/qrenderaspect.cpp b/src/render/frontend/qrenderaspect.cpp index 320bfa677..00dd9c327 100644 --- a/src/render/frontend/qrenderaspect.cpp +++ b/src/render/frontend/qrenderaspect.cpp @@ -358,7 +358,7 @@ QVector<Qt3DCore::QAspectJobPtr> QRenderAspect::jobsToExecute(qint64 time) // QChangeArbiter::syncChanges() that happens just before the render aspect is // asked for jobs to execute (this function). If that is the case, the RenderSettings will // be null and we should not generate any jobs. - if (d->m_renderer != nullptr && d->m_renderer->isRunning() && d->m_renderer->settings()) { + if (d->m_renderer->isRunning() && d->m_renderer->settings()) { // don't spawn any jobs, if the renderer decides to skip this frame if (!d->m_renderer->shouldRender()) { d->m_renderer->skipNextFrame(); diff --git a/sync.profile b/sync.profile index 3c23a8b8d..ec14bbc37 100644 --- a/sync.profile +++ b/sync.profile @@ -14,16 +14,3 @@ # Force generation of camel case headers for classes inside Qt3D* namespaces $publicclassregexp = "Qt3D.*::.+"; - -# Module dependencies. -# Every module that is required to build this module should have one entry. -# Each of the module version specifiers can take one of the following values: -# - A specific Git revision. -# - any git symbolic ref resolvable from the module's repository (e.g. "refs/heads/master" to track master branch) -# -%dependencies = ( - "qtbase" => "", - "qtxmlpatterns" => "", - "qtdeclarative" => "", - "qtimageformats" => "", -); diff --git a/tools/qgltf/qgltf.pro b/tools/qgltf/qgltf.pro index a19f2e91c..df6dfa202 100644 --- a/tools/qgltf/qgltf.pro +++ b/tools/qgltf/qgltf.pro @@ -1,5 +1,4 @@ option(host_build) -!cross_compile:load(qt_build_paths) # Qt3D is free of Q_FOREACH - make sure it stays that way: DEFINES *= QT_NO_FOREACH |