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/****************************************************************************
**
** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
** 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 "qbackendnode.h"
#include "qbackendnode_p.h"
#include "qbackendnodefactory_p.h"
#include "qaspectengine.h"
#include "qnode.h"
QT_BEGIN_NAMESPACE
namespace Qt3DCore {
/*!
\class Qt3DCore::QBackendNodePrivate
\internal
*/
QBackendNodePrivate::QBackendNodePrivate(QBackendNode::Mode mode)
: q_ptr(Q_NULLPTR)
, m_mode(mode)
, m_factory(Q_NULLPTR)
, m_arbiter(Q_NULLPTR)
{
}
// Called by backend thread (renderer or other) while we are locked to sync changes
void QBackendNodePrivate::setArbiter(QLockableObserverInterface *arbiter)
{
Q_ASSERT(m_mode == QBackendNode::ReadWrite);
m_arbiter = arbiter;
}
// Called by backend thread/worker threads. We don't need locking
// as setting/unsetting the arbiter cannot happen at that time
void QBackendNodePrivate::notifyObservers(const QSceneChangePtr &e)
{
Q_ASSERT(m_mode == QBackendNode::ReadWrite);
if (m_arbiter != Q_NULLPTR)
m_arbiter->sceneChangeEvent(e);
}
void QBackendNodePrivate::sceneChangeEvent(const QSceneChangePtr &e)
{
q_func()->sceneChangeEvent(e);
}
QBackendNodePrivate *QBackendNodePrivate::get(QBackendNode *n)
{
return n->d_func();
}
QBackendNode::QBackendNode(QBackendNode::Mode mode)
: d_ptr(new QBackendNodePrivate(mode))
{
d_ptr->q_ptr = this;
}
QBackendNode::~QBackendNode()
{
delete d_ptr;
}
void QBackendNode::setFactory(const QBackendNodeFactory *factory)
{
Q_D(QBackendNode);
d->m_factory = factory;
}
void QBackendNode::setPeer(QNode *peer)
{
Q_D(QBackendNode);
QNodeId peerUuid;
if (peer != Q_NULLPTR)
peerUuid = peer->id();
d->m_peerUuid = peerUuid;
updateFromPeer(peer);
}
QNodeId QBackendNode::peerUuid() const Q_DECL_NOEXCEPT
{
Q_D(const QBackendNode);
return d->m_peerUuid;
}
QBackendNode::Mode QBackendNode::mode() const Q_DECL_NOEXCEPT
{
Q_D(const QBackendNode);
return d->m_mode;
}
QBackendNode *QBackendNode::createBackendNode(QNode *frontend) const
{
Q_D(const QBackendNode);
Q_ASSERT(d->m_factory);
return d->m_factory->createBackendNode(frontend);
}
/*! \internal */
QBackendNode::QBackendNode(QBackendNodePrivate &dd)
: d_ptr(&dd)
{
d_ptr->q_ptr = this;
}
void QBackendNode::notifyObservers(const QSceneChangePtr &e)
{
Q_D(QBackendNode);
d->notifyObservers(e);
}
} // Qt3D
QT_END_NAMESPACE
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