qwaylandbufferref.h

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// Copyright (C) 2017 Jolla Ltd, author: <giulio.camuffo@jollamobile.com>

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

// Qt-Security score:significant reason:default

#ifndef QWAYLANDBUFFERREF_H

#define QWAYLANDBUFFERREF_H

#include <QtWaylandCompositor/qtwaylandcompositorglobal.h>

#include <QtGui/QImage>

#if QT_CONFIG(opengl)

#include <QtGui/qopengl.h>

#endif

#include <QtWaylandCompositor/QWaylandSurface>

struct wl_resource;

QT_BEGIN_NAMESPACE

class QOpenGLTexture;

class QWaylandSurfaceTextureProvider;

namespace QtWayland

    class ClientBuffer;

class Q_WAYLANDCOMPOSITOR_EXPORT QWaylandBufferRef

public:

    QWaylandBufferRef();

    QWaylandBufferRef(const QWaylandBufferRef &ref);

    ~QWaylandBufferRef();

    QWaylandBufferRef &operator=(const QWaylandBufferRef &ref);

    bool isNull() const;

    bool hasBuffer() const;

    bool hasContent() const;

    bool hasProtectedContent() const;

    bool isDestroyed() const;

#if QT_WAYLANDCOMPOSITOR_REMOVED_SINCE(6, 3)

    bool operator==(const QWaylandBufferRef &ref);

    bool operator!=(const QWaylandBufferRef &ref);

#endif

    struct wl_resource *wl_buffer() const;

    QSize size() const;

    QWaylandSurface::Origin origin() const;

    enum BufferType {

        BufferType_Null,

        BufferType_SharedMemory,

        BufferType_Egl

};

    enum BufferFormatEgl {

        BufferFormatEgl_Null,

        BufferFormatEgl_RGB,

        BufferFormatEgl_RGBA,

        BufferFormatEgl_EXTERNAL_OES,

        BufferFormatEgl_Y_U_V,

        BufferFormatEgl_Y_UV,

        BufferFormatEgl_Y_XUXV

};

    BufferType bufferType() const;

    BufferFormatEgl bufferFormatEgl() const;

    bool isSharedMemory() const;

    QImage image() const;

#if QT_CONFIG(opengl)

    QOpenGLTexture *toOpenGLTexture(int plane = 0) const;

#endif

    quintptr lockNativeBuffer();

    void unlockNativeBuffer(quintptr handle);

private:

    explicit QWaylandBufferRef(QtWayland::ClientBuffer *buffer);

    QtWayland::ClientBuffer *buffer() const;

    class QWaylandBufferRefPrivate *const d;

    friend class QWaylandBufferRefPrivate;

    friend class QWaylandSurfacePrivate;

    friend class QWaylandSurfaceTextureProvider;

    friend Q_WAYLANDCOMPOSITOR_EXPORT

    bool operator==(const QWaylandBufferRef &lhs, const QWaylandBufferRef &rhs) noexcept;

    friend inline

    bool operator!=(const QWaylandBufferRef &lhs, const QWaylandBufferRef &rhs) noexcept

    { return !(lhs == rhs); }

};

QT_END_NAMESPACE

#endif