qt-everywhere-src-5.15.1/qtquick3d/src/quick3d/qquick3ditem2d_p.h

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#ifndef QSSGITEM2D_H
#define QSSGITEM2D_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include <QtQuick3D/private/qquick3dnode_p.h>
#include <QtQuick3D/private/qquick3dscenemanager_p.h>
#include <QtQuick/private/qquickitemchangelistener_p.h>
#include <QtQuick/QSGNode>
#include <QtCore/QPointer>

QT_BEGIN_NAMESPACE

class QSGLayer;
class QQuick3DItem2D : public QQuick3DNode, public QQuickItemChangeListener
{
    Q_OBJECT
public:
    explicit QQuick3DItem2D(QQuickItem* item, QQuick3DNode *parent = nullptr);
    ~QQuick3DItem2D() override;

private Q_SLOTS:
    void sourceItemDestroyed(QObject *item);

private:
    void createLayerTexture();
    QSSGRenderGraphObject *updateSpatialNode(QSSGRenderGraphObject *node) override;
    void markAllDirty() override;

    QQuickItem *m_sourceItem = nullptr;
    QSGLayer *m_layer = nullptr;
    QPointer<QQuick3DSceneManager> m_sceneManagerForLayer;
    bool m_initialized = false;
};

QT_END_NAMESPACE

#endif // QSSGITEM2D_H