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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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "qeglfscontext.h"
#include "qeglfswindow.h"
#include "qeglfshooks.h"

#include <QtPlatformSupport/private/qeglconvenience_p.h>
#include <QtPlatformSupport/private/qeglpbuffer_p.h>
#include <QtPlatformSupport/private/qeglplatformcursor_p.h>
#include <QtGui/QSurface>
#include <QtDebug>

QT_BEGIN_NAMESPACE

QEglFSContext::QEglFSContext(const QSurfaceFormat &format, QPlatformOpenGLContext *share, EGLDisplay display,
                             EGLConfig *config, const QVariant &nativeHandle)
    : QEGLPlatformContext(format, share, display, config, nativeHandle)
{
}

EGLSurface QEglFSContext::eglSurfaceForPlatformSurface(QPlatformSurface *surface)
{
    if (surface->surface()->surfaceClass() == QSurface::Window)
        return static_cast<QEglFSWindow *>(surface)->surface();
    else
        return static_cast<QEGLPbuffer *>(surface)->pbuffer();
}

void QEglFSContext::swapBuffers(QPlatformSurface *surface)
{
    // draw the cursor
    if (surface->surface()->surfaceClass() == QSurface::Window) {
        QPlatformWindow *window = static_cast<QPlatformWindow *>(surface);
        if (QEGLPlatformCursor *cursor = qobject_cast<QEGLPlatformCursor *>(window->screen()->cursor()))
            cursor->paintOnScreen();
    }

    QEglFSHooks::hooks()->waitForVSync();
    QEGLPlatformContext::swapBuffers(surface);
    QEglFSHooks::hooks()->presentBuffer();
}

QT_END_NAMESPACE