/****************************************************************************
**
** Copyright (C) 1992-2005 Trolltech AS. All rights reserved.
**
** This file is part of the QtOpenGL module of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 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 GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at sales@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#ifndef QGLPIXELBUFFER_P_H
#define QGLPIXELBUFFER_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of the QLibrary class.  This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//
#include "QtOpenGL/qglpbuffer.h"
#include <private/qgl_p.h>

#ifdef Q_WS_X11
#include <GL/glx.h>
#elif defined(Q_WS_WIN)
DECLARE_HANDLE(HPBUFFERARB);
#elif defined(Q_WS_MACX)
#include <AGL/agl.h>
#endif

class QGLPixelBufferPrivate {
    Q_DECLARE_PUBLIC(QGLPixelBuffer)
public:
    QGLPixelBufferPrivate() : invalid(true), qctx(0), pbuf(0), ctx(0)
    {
        QGLExtensions::init();
#ifdef Q_WS_WIN
        dc = 0;
#elif defined(Q_WS_MACX)
        share_ctx = 0;
#endif
    }

    bool invalid;
    QSize size;
    QGLContext *qctx;
    QGLPixelBuffer *q_ptr;
    QGLFormat format;

#ifdef Q_WS_X11
    GLXPbuffer pbuf;
    GLXContext ctx;
#elif defined(Q_WS_WIN)
    QGLWidget dmy;
    HDC dc;
    HPBUFFERARB pbuf;
    HGLRC ctx;
#elif defined(Q_WS_MACX)
#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_3)
    AGLPbuffer pbuf;
#else
    void *pbuf;
#endif
    AGLContext ctx;
    AGLContext share_ctx;
#endif
};

#endif // QGLPIXELBUFFER_P_H
