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/****************************************************************************
**
** Copyright (C) 2012 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 QWAYLANDGLCONTEXT_H
#define QWAYLANDGLCONTEXT_H

#include <QtWaylandClient/private/qwaylanddisplay_p.h>

#include <qpa/qplatformopenglcontext.h>

#include "qwaylandeglinclude.h"

QT_BEGIN_NAMESPACE

class QOpenGLShaderProgram;
class QOpenGLTextureCache;

namespace QtWaylandClient {

class QWaylandWindow;
class QWaylandGLWindowSurface;
class DecorationsBlitter;

class QWaylandGLContext : public QPlatformOpenGLContext
{
public:
    QWaylandGLContext(EGLDisplay eglDisplay, QWaylandDisplay *display, const QSurfaceFormat &format, QPlatformOpenGLContext *share);
    ~QWaylandGLContext();

    void swapBuffers(QPlatformSurface *surface);

    bool makeCurrent(QPlatformSurface *surface);
    void doneCurrent();

    GLuint defaultFramebufferObject(QPlatformSurface *surface) const;

    bool isSharing() const;
    bool isValid() const;

    void (*getProcAddress(const QByteArray &procName)) ();

    QSurfaceFormat format() const { return m_format; }

    EGLConfig eglConfig() const;
    EGLContext eglContext() const { return m_context; }

private:
    void updateGLFormat();

    EGLDisplay m_eglDisplay;
    QWaylandDisplay *m_display;
    EGLContext m_context;
    EGLContext m_shareEGLContext;
    EGLConfig m_config;
    QSurfaceFormat m_format;
    DecorationsBlitter *m_blitter;
    bool mUseNativeDefaultFbo;

    friend class DecorationsBlitter;
};

}

QT_END_NAMESPACE

#endif // QWAYLANDGLCONTEXT_H