/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt WebGL module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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** $QT_END_LICENSE$
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****************************************************************************/

#ifndef QWEBGLCONTEXT_H
#define QWEBGLCONTEXT_H

#include <QtGui/qpa/qplatformopenglcontext.h>

QT_BEGIN_NAMESPACE

class QWebGLFunctionCall;
class QWebGLContextPrivate;

class QWebGLContext : public QPlatformOpenGLContext
{
public:
    QWebGLContext(const QSurfaceFormat &format);
    ~QWebGLContext() override;

    QSurfaceFormat format() const override;

    void swapBuffers(QPlatformSurface *surface) override;

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

    bool isValid() const override;

    QFunctionPointer getProcAddress(const char *procName) override;

    int id() const;
    QPlatformSurface *currentSurface() const;

    static QWebGLFunctionCall *createEvent(const QString &functionName, bool wait = false);
    static QVariant queryValue(int id);

    static QStringList supportedFunctions();
    static quint8 functionIndex(const QString &functionName);

private:
    Q_DISABLE_COPY(QWebGLContext)
    Q_DECLARE_PRIVATE(QWebGLContext)
    QScopedPointer<QWebGLContextPrivate> d_ptr;
};

QT_END_NAMESPACE

#endif // QWEBGLCONTEXT_H