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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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, Nokia gives you certain additional
** rights. These rights are described in the Nokia 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QWINDOWSEGLCONTEXT_H
#define QWINDOWSEGLCONTEXT_H

#include <QtPlatformSupport/private/qeglplatformcontext_p.h>
#include <QSharedPointer>

QT_BEGIN_NAMESPACE

class QWindowsEGLStaticContext
{
    Q_DISABLE_COPY(QWindowsEGLStaticContext)
public:
    static QWindowsEGLStaticContext *create();
    ~QWindowsEGLStaticContext();

    EGLDisplay display() const { return m_display; }

private:
    QWindowsEGLStaticContext(EGLDisplay display, int version);

    const EGLDisplay m_display;
    const int m_version; //! majorVersion<<8 + minorVersion
};

class QWindowsEGLContext : public QEGLPlatformContext
{
public:
    typedef QSharedPointer<QWindowsEGLStaticContext> QWindowsEGLStaticContextPtr;

    QWindowsEGLContext(const QWindowsEGLStaticContextPtr& staticContext,
                       const QSurfaceFormat &format,
                       QPlatformOpenGLContext *share);

    ~QWindowsEGLContext();

    static bool hasThreadedOpenGLCapability();

    bool makeCurrent(QPlatformSurface *surface);

protected:
    EGLSurface eglSurfaceForPlatformSurface(QPlatformSurface *surface);

private:
    const QWindowsEGLStaticContextPtr m_staticContext;
};

QT_END_NAMESPACE

#endif // QWINDOWSEGLCONTEXT_H