/****************************************************************************
**
** Copyright (C) 2019 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWaylandCompositor 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
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** 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
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****************************************************************************/
#ifndef WAYLANDEGLSTREAMINTEGRATION_H
#define WAYLANDEGLSTREAMINTEGRATION_H

#include <QtWaylandCompositor/private/qwlclientbufferintegration_p.h>
#include <QtCore/QScopedPointer>
#include <QtWaylandCompositor/private/qwlclientbuffer_p.h>

QT_BEGIN_NAMESPACE

class WaylandEglStreamClientBufferIntegrationPrivate;

class WaylandEglStreamClientBufferIntegration : public QtWayland::ClientBufferIntegration
{
    Q_DECLARE_PRIVATE(WaylandEglStreamClientBufferIntegration)
public:
    WaylandEglStreamClientBufferIntegration();
    ~WaylandEglStreamClientBufferIntegration() override;

    bool initializeHardware(struct ::wl_display *display) override;

    QtWayland::ClientBuffer *createBufferFor(wl_resource *buffer) override;

    void attachEglStreamConsumer(struct ::wl_resource *wl_surface, struct ::wl_resource *wl_buffer);

private:
    Q_DISABLE_COPY(WaylandEglStreamClientBufferIntegration)
    QScopedPointer<WaylandEglStreamClientBufferIntegrationPrivate> d_ptr;
};

struct BufferState;

class WaylandEglStreamClientBuffer : public QtWayland::ClientBuffer
{
public:
    ~WaylandEglStreamClientBuffer() override;

    QWaylandBufferRef::BufferFormatEgl bufferFormatEgl() const override;
    QSize size() const override;
    QWaylandSurface::Origin origin() const override;
    QOpenGLTexture *toOpenGlTexture(int plane) override;
    void setCommitted(QRegion &damage) override;

private:
    friend class WaylandEglStreamClientBufferIntegration;
    friend class WaylandEglStreamClientBufferIntegrationPrivate;

    WaylandEglStreamClientBuffer(WaylandEglStreamClientBufferIntegration* integration, wl_resource *bufferResource);

    BufferState *d = nullptr;
    WaylandEglStreamClientBufferIntegration *m_integration = nullptr;
};

QT_END_NAMESPACE

#endif // WAYLANDEGLSTREAMINTEGRATION_H
