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// Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#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 <Qt3DCore/private/vector_helper_p.h>
#include <QtCore/QCoreApplication>
#include <QtCore/QDateTime>
#include <QtCore/QRegularExpression>
QT_BEGIN_NAMESPACE
namespace {
void dumpJobs(const std::vector<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(dependency.toStrongRef().data()) << QLatin1String(" -> ") << formatJob(job.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)
{
std::vector<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 QList<QAbstractAspect *> &aspects = m_aspectManager->aspects();
for (QAbstractAspect *aspect : aspects) {
std::vector<QAspectJobPtr> aspectJobs = QAbstractAspectPrivate::get(aspect)->jobsToExecute(time);
Qt3DCore::moveAtEnd(jobQueue, std::move(aspectJobs));
}
if (jobQueue.empty())
return 0;
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
const int totalJobs = m_aspectManager->jobManager()->waitForAllJobs();
{
QTaskLogger logger(m_aspectManager->serviceLocator()->systemInformation(), 4097, 0, QTaskLogger::AspectJob);
for (auto &job : std::as_const(jobQueue))
job->postFrame(m_aspectManager->engine());
for (QAbstractAspect *aspect : aspects)
aspect->jobsDone();
}
return totalJobs;
}
} // namespace Qt3DCore
QT_END_NAMESPACE
#include "moc_qscheduler_p.cpp"