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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 plugins 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 QOPENWFDSCREEN_H
#define QOPENWFDSCREEN_H
#include <qpa/qplatformscreen.h>
#include "qopenwfdoutputbuffer.h"
#include <WF/wfd.h>
#include <QtCore/QVarLengthArray>
#include <QtCore/QLinkedList>
#define BUFFER_NUM 4
class QOpenWFDPort;
class QOpenWFDScreen : public QPlatformScreen
{
public:
QOpenWFDScreen(QOpenWFDPort *port);
~QOpenWFDScreen();
QRect geometry() const;
int depth() const;
QImage::Format format() const;
QSizeF physicalSize() const;
QOpenWFDPort *port() const;
void swapBuffers();
void bindFramebuffer();
void pipelineBindSourceComplete();
private:
void setStagedBackBuffer(int bufferIndex);
void commitStagedOutputBuffer();
int nextAvailableRenderBuffer() const;
QOpenWFDPort *mPort;
GLuint mFbo;
QVarLengthArray<QOpenWFDOutputBuffer *, BUFFER_NUM> mOutputBuffers;
int mCurrentRenderBufferIndex;
int mStagedBackBufferIndex;
int mCommitedBackBufferIndex;
int mBackBufferIndex;
};
#endif
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