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/****************************************************************************
**
** Copyright (C) 2014 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.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QOFFSCREENINTEGRATION_X11_H
#define QOFFSCREENINTEGRATION_X11_H

#include "qoffscreenintegration.h"

#include <qglobal.h>
#include <qscopedpointer.h>

#include <qpa/qplatformopenglcontext.h>

QT_BEGIN_NAMESPACE

class QOffscreenX11Connection;
class QOffscreenX11Info;

class QOffscreenX11Integration : public QOffscreenIntegration
{
public:
    bool hasCapability(QPlatformIntegration::Capability cap) const;

    QPlatformOpenGLContext *createPlatformOpenGLContext(QOpenGLContext *context) const;

private:
    mutable QScopedPointer<QOffscreenX11Connection> m_connection;
};

class QOffscreenX11Connection {
public:
    QOffscreenX11Connection();
    ~QOffscreenX11Connection();

    QOffscreenX11Info *x11Info();

    void *display() const { return m_display; }
    int screenNumber() const { return m_screenNumber; }

private:
    void *m_display;
    int m_screenNumber;

    QScopedPointer<QOffscreenX11Info> m_x11Info;
};

class QOffscreenX11GLXContextData;

class QOffscreenX11GLXContext : public QPlatformOpenGLContext
{
public:
    QOffscreenX11GLXContext(QOffscreenX11Info *x11, QOpenGLContext *context);
    ~QOffscreenX11GLXContext();

    bool makeCurrent(QPlatformSurface *surface);
    void doneCurrent();
    void swapBuffers(QPlatformSurface *surface);
    void (*getProcAddress(const QByteArray &procName)) ();

    QSurfaceFormat format() const;
    bool isSharing() const;
    bool isValid() const;

private:
    QScopedPointer<QOffscreenX11GLXContextData> d;
};

QT_END_NAMESPACE

#endif