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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** 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 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.
**
** 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.LGPL3 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-3.0.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 (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.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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