| /**************************************************************************** |
| ** |
| ** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB). |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt3D module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** 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 https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://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.LGPL3 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-3.0.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 (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
| ** https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include "qscheduler_p.h" |
| |
| #include <Qt3DCore/qabstractaspect.h> |
| |
| #include <Qt3DCore/private/qabstractaspect_p.h> |
| #include <Qt3DCore/private/qaspectmanager_p.h> |
| #include <Qt3DCore/private/qaspectjob_p.h> |
| #include <Qt3DCore/private/qabstractaspectjobmanager_p.h> |
| |
| #include <QtCore/QCoreApplication> |
| #include <QtCore/QDateTime> |
| #include <QtCore/QRegularExpression> |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace { |
| |
| // Creates a graphviz dot file. To view online: https://dreampuf.github.io/GraphvizOnline/ |
| void dumpJobs(QVector<Qt3DCore::QAspectJobPtr> jobs) { |
| const QString fileName = QStringLiteral("qt3djobs_") + QCoreApplication::applicationName() + |
| QDateTime::currentDateTime().toString(QStringLiteral("_yyMMdd-hhmmss")) + QStringLiteral(".dot"); |
| |
| QFile f(fileName); |
| if (!f.open(QFile::WriteOnly)) |
| return; |
| |
| auto formatJob = [](Qt3DCore::QAspectJob *job) -> QString { |
| auto jobId = Qt3DCore::QAspectJobPrivate::get(job)->m_jobId; |
| auto type = Qt3DCore::QAspectJobPrivate::get(job)->m_jobName.replace(QRegularExpression(QLatin1String("(^.*::)")), QLatin1String("")); |
| return QString(QLatin1String("\"%1_%2\"")).arg(type).arg(jobId.typeAndInstance[1]); |
| }; |
| |
| QTextStream stream(&f); |
| stream << "digraph qt3d_jobs {" << Qt::endl; |
| |
| for (const auto &job: jobs) { |
| if (!Qt3DCore::QAspectJobPrivate::get(job.data())->isRequired()) |
| stream << QLatin1String("\t") << formatJob(job.data()) << QLatin1String(" [style=dotted]") << Qt::endl; |
| } |
| |
| for (const auto &job: jobs) { |
| auto dependencies = job->dependencies(); |
| for (const auto &dependency: dependencies) |
| stream << QLatin1String("\t") << formatJob(job.data()) << QLatin1String(" -> ") << formatJob(dependency.toStrongRef().data()) << Qt::endl; |
| } |
| |
| stream << "}" << Qt::endl; |
| } |
| |
| } |
| |
| namespace Qt3DCore { |
| |
| QScheduler::QScheduler(QObject *parent) |
| : QObject(parent) |
| , m_aspectManager(nullptr) |
| { |
| } |
| |
| QScheduler::~QScheduler() |
| { |
| } |
| |
| void QScheduler::setAspectManager(QAspectManager *aspectManager) |
| { |
| m_aspectManager = aspectManager; |
| } |
| |
| QAspectManager *QScheduler::aspectManager() const |
| { |
| return m_aspectManager; |
| } |
| |
| int QScheduler::scheduleAndWaitForFrameAspectJobs(qint64 time, bool dumpJobs) |
| { |
| QVector<QAspectJobPtr> jobQueue; |
| |
| // TODO: Allow clocks with custom scale factors and independent control |
| // over running / paused / stopped status |
| // TODO: Advance all clocks registered with the engine |
| |
| // TODO: Set up dependencies between jobs as needed |
| // For now just queue them up as they are |
| const QVector<QAbstractAspect *> &aspects = m_aspectManager->aspects(); |
| for (QAbstractAspect *aspect : aspects) { |
| const QVector<QAspectJobPtr> aspectJobs = QAbstractAspectPrivate::get(aspect)->jobsToExecute(time); |
| jobQueue << aspectJobs; |
| } |
| |
| if (dumpJobs) |
| ::dumpJobs(jobQueue); |
| |
| m_aspectManager->jobManager()->enqueueJobs(jobQueue); |
| |
| // Do any other work here that the aspect thread can usefully be doing |
| // whilst the threadpool works its way through the jobs |
| |
| int totalJobs = m_aspectManager->jobManager()->waitForAllJobs(); |
| |
| { |
| QTaskLogger logger(m_aspectManager->serviceLocator()->systemInformation(), 4097, 0, QTaskLogger::AspectJob); |
| |
| for (auto &job : qAsConst(jobQueue)) |
| QAspectJobPrivate::get(job.data())->postFrame(m_aspectManager); |
| |
| for (QAbstractAspect *aspect : aspects) |
| QAbstractAspectPrivate::get(aspect)->jobsDone(); |
| } |
| |
| return totalJobs; |
| } |
| |
| } // namespace Qt3DCore |
| |
| QT_END_NAMESPACE |