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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
****************************************************************************/

#ifndef QWAYLANDEGLWINDOW_H
#define QWAYLANDEGLWINDOW_H

#include <QtWaylandClient/private/qwaylandwindow_p.h>
#include "qwaylandeglinclude.h"
#include "qwaylandeglclientbufferintegration.h"

QT_BEGIN_NAMESPACE

class QOpenGLFramebufferObject;

namespace QtWaylandClient {

class QWaylandGLContext;

class QWaylandEglWindow : public QWaylandWindow
{
    Q_OBJECT
public:
    QWaylandEglWindow(QWindow *window, QWaylandDisplay *display);
    ~QWaylandEglWindow();
    WindowType windowType() const override;
    void ensureSize() override;

    void updateSurface(bool create);
    void setGeometry(const QRect &rect) override;
    QRect contentsRect() const;

    EGLSurface eglSurface() const;
    GLuint contentFBO() const;
    GLuint contentTexture() const;
    bool needToUpdateContentFBO() const { return decoration() && (m_resize || !m_contentFBO); }

    QSurfaceFormat format() const override;

    void bindContentFBO();

    void invalidateSurface() override;

private:
    QWaylandEglClientBufferIntegration *m_clientBufferIntegration = nullptr;
    struct wl_egl_window *m_waylandEglWindow = nullptr;

    const QWaylandWindow *m_parentWindow = nullptr;

    EGLSurface m_eglSurface = EGL_NO_SURFACE;
    EGLConfig m_eglConfig;
    mutable bool m_resize = false;
    mutable QOpenGLFramebufferObject *m_contentFBO = nullptr;

    QSurfaceFormat m_format;
};

}

QT_END_NAMESPACE

#endif // QWAYLANDEGLWINDOW_H