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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtWebEngine 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 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 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef DELEGATED_FRAME_NODE_H
#define DELEGATED_FRAME_NODE_H
#include "cc/resources/transferable_resource.h"
#include <QMutex>
#include <QSGNode>
#include <QSharedPointer>
#include <QWaitCondition>
#if (QT_VERSION >= QT_VERSION_CHECK(5, 2, 0))
QT_BEGIN_NAMESPACE
class QQuickWindow;
QT_END_NAMESPACE
namespace cc {
class DelegatedFrameData;
}
class MailboxTexture;
class RenderPassTexture;
class DelegatedFrameNode : public QSGNode {
public:
DelegatedFrameNode(QQuickWindow *window);
~DelegatedFrameNode();
void preprocess();
void commit(cc::DelegatedFrameData *frameData, cc::TransferableResourceArray *resourcesToRelease);
private:
QQuickWindow *m_window;
QList<QSharedPointer<RenderPassTexture> > m_renderPassTextures;
QMap<int, QSharedPointer<MailboxTexture> > m_mailboxTextures;
int m_numPendingSyncPoints;
QWaitCondition m_mailboxesFetchedWaitCond;
QMutex m_mutex;
// Making those callbacks static bypasses base::Bind's ref-counting requirement
// of the this pointer when the callback is a method.
static void fetchTexturesAndUnlockQt(DelegatedFrameNode *frameNode, QList<MailboxTexture *> *mailboxesToFetch);
static void syncPointRetired(DelegatedFrameNode *frameNode, QList<MailboxTexture *> *mailboxesToFetch);
};
#endif // QT_VERSION
#endif // DELEGATED_FRAME_NODE_H
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