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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
****************************************************************************/
#include "qquickprofiler_p.h"
#include <QtQml/private/qqmlabstractprofileradapter_p.h>
#include <QtCore/qcoreapplication.h>
#include <QtCore/qthread.h>
QT_BEGIN_NAMESPACE
// instance will be set, unset in constructor. Allows static methods to be inlined.
QQuickProfiler *QQuickProfiler::s_instance = nullptr;
quint64 QQuickProfiler::featuresEnabled = 0;
void QQuickProfiler::initialize(QObject *parent)
{
Q_ASSERT(s_instance == nullptr);
s_instance = new QQuickProfiler(parent);
}
void animationTimerCallback(qint64 delta)
{
Q_QUICK_PROFILE(QQuickProfiler::ProfileAnimations, animationFrame(delta,
QThread::currentThread() == QCoreApplication::instance()->thread() ?
QQuickProfiler::GuiThread : QQuickProfiler::RenderThread));
}
void QQuickProfiler::registerAnimationCallback()
{
QUnifiedTimer::instance()->registerProfilerCallback(&animationTimerCallback);
}
class CallbackRegistrationHelper : public QObject {
Q_OBJECT
public:
void registerAnimationTimerCallback()
{
QQuickProfiler::registerAnimationCallback();
delete this;
}
};
#include "qquickprofiler.moc"
#include "moc_qquickprofiler_p.cpp"
QQuickProfiler::QQuickProfiler(QObject *parent) : QObject(parent)
{
// This is safe because at this point the m_instance isn't initialized, yet.
m_timer.start();
CallbackRegistrationHelper *helper = new CallbackRegistrationHelper; // will delete itself
helper->moveToThread(QCoreApplication::instance()->thread());
// Queue the signal to have the animation timer registration run in the right thread;
QObject signalSource;
connect(&signalSource, &QObject::destroyed,
helper, &CallbackRegistrationHelper::registerAnimationTimerCallback,
Qt::QueuedConnection);
}
QQuickProfiler::~QQuickProfiler()
{
QMutexLocker lock(&m_dataMutex);
featuresEnabled = 0;
s_instance = nullptr;
}
void QQuickProfiler::startProfilingImpl(quint64 features)
{
QMutexLocker lock(&m_dataMutex);
featuresEnabled = features;
}
void QQuickProfiler::stopProfilingImpl()
{
QMutexLocker lock(&m_dataMutex);
featuresEnabled = 0;
emit dataReady(m_data);
m_data.clear();
}
void QQuickProfiler::reportDataImpl()
{
QMutexLocker lock(&m_dataMutex);
emit dataReady(m_data);
m_data.clear();
}
void QQuickProfiler::setTimer(const QElapsedTimer &t)
{
QMutexLocker lock(&m_dataMutex);
m_timer = t;
}
QT_END_NAMESPACE
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