Revision control
Copy as Markdown
// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qscene2d.h"
#include "qscene2d_p.h"
#include "scene2d_p.h"
#include "scene2dmanager_p.h"
#include "scene2devent_p.h"
#include "scene2dsharedobject_p.h"
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
namespace Quick {
using namespace Qt3DCore;
/*!
\internal
Constructs object shared by the front-end and back-end to synchronize the rendering.
*/
Scene2DSharedObject::Scene2DSharedObject(Scene2DManager *manager)
: m_renderControl(nullptr)
, m_quickWindow(nullptr)
, m_renderManager(manager)
, m_renderThread(nullptr)
, m_renderObject(nullptr)
, m_disallowed(false)
, m_quitting(false)
, m_requestSync(false)
, m_prepared(false)
, m_initialized(false)
{
}
Scene2DSharedObject::~Scene2DSharedObject()
{
}
void Scene2DSharedObject::cleanup()
{
delete m_renderControl;
m_renderControl = nullptr;
delete m_quickWindow;
m_quickWindow = nullptr;
m_initialized = false;
}
bool Scene2DSharedObject::canRender() const
{
return m_initialized && m_prepared && !m_disallowed;
}
bool Scene2DSharedObject::isInitialized() const
{
return m_initialized;
}
void Scene2DSharedObject::disallowRender()
{
m_disallowed = true;
}
void Scene2DSharedObject::setInitialized()
{
m_initialized = true;
}
bool Scene2DSharedObject::isPrepared() const
{
return m_prepared;
}
void Scene2DSharedObject::setPrepared()
{
m_prepared = true;
}
// not protected, call only from main thread
bool Scene2DSharedObject::isQuitting() const
{
Q_ASSERT(QThread::currentThread() == QCoreApplication::instance()->thread());
return m_quitting;
}
// not protected, call only from main thread
void Scene2DSharedObject::setQuitting()
{
Q_ASSERT(QThread::currentThread() == QCoreApplication::instance()->thread());
m_quitting = true;
}
// not protected, call only from main thread
void Scene2DSharedObject::requestInvalidate()
{
Q_ASSERT(QThread::currentThread() == QCoreApplication::instance()->thread());
QCoreApplication::postEvent(m_renderObject, new Scene2DEvent(Scene2DEvent::Invalidate));
}
// not protected, call only from main thread
void Scene2DSharedObject::requestQuit()
{
Q_ASSERT(QThread::currentThread() == QCoreApplication::instance()->thread());
QCoreApplication::postEvent(m_renderObject, new Scene2DEvent(Scene2DEvent::Quit));
}
bool Scene2DSharedObject::isSyncRequested() const
{
return m_requestSync;
}
void Scene2DSharedObject::requestRender(bool sync)
{
m_requestSync = sync;
QCoreApplication::postEvent(m_renderObject, new Scene2DEvent(Scene2DEvent::Render));
}
void Scene2DSharedObject::wait()
{
m_cond.wait(&m_mutex);
}
void Scene2DSharedObject::wake()
{
m_cond.wakeOne();
}
void Scene2DSharedObject::clearSyncRequest()
{
m_requestSync = false;
}
} // namespace Quick
} // namespace Qt3DRender
QT_END_NAMESPACE