qt-everywhere-src-5.14.1/qtquick3d/src/runtimerender/graphobjects/qssgrendergraphobject_p.h

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#ifndef QSSG_RENDER_GRAPH_OBJECT_H
#define QSSG_RENDER_GRAPH_OBJECT_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 <QtQuick3DRuntimeRender/private/qtquick3druntimerenderglobal_p.h>
#include <QtCore/QString>

#define QSSG_DEBUG_ID 0

QT_BEGIN_NAMESPACE

// Types should be setup on construction.  Change the type
// at your own risk as the type is used for RTTI purposes.
struct Q_QUICK3DRUNTIMERENDER_EXPORT QSSGRenderGraphObject
{
    enum class Type : quint8
    {
        Unknown = 0,
        Presentation,
        Scene,
        Node,
        Layer,
        Light,
        Camera,
        Model,
        DefaultMaterial,
        PrincipledMaterial,
        Image,
        CustomMaterial,
        RenderPlugin,
        Lightmaps,
        Geometry,
        LastKnownGraphObjectType,
    };

    QAtomicInt ref;
    // Id's help debugging the object and are optionally set
#if QSSG_DEBUG_ID
    QByteArray id;
#endif
    // Type is used for RTTI purposes down the road.
    Type type;

    QSSGRenderGraphObject(QSSGRenderGraphObject::Type inType) : type(inType) {}
    virtual ~QSSGRenderGraphObject();

    // If you change any detail of the scene graph, or even *breath* on a
    // scene graph object, you need to bump this binary version so at least
    // we know if we can load a file or not.
    static quint32 getSceneGraphBinaryVersion() { return 1; }

    inline bool isMaterialType() const Q_DECL_NOTHROW
    {
        return (type == Type::CustomMaterial || type == Type::DefaultMaterial || type == Type::PrincipledMaterial);
    }

    inline bool isLightmapType() const Q_DECL_NOTHROW
    {
        return (type == Type::Lightmaps || type == Type::DefaultMaterial || type == Type::PrincipledMaterial);
    }

    inline bool isNodeType() const Q_DECL_NOTHROW
    {
        return (type == Type::Node ||
                type == Type::Layer ||
                type == Type::Light ||
                type == Type::Camera ||
                type == Type::Model);
    }

    inline bool isRenderableType() const Q_DECL_NOTHROW
    {
        return type == Type::Model;
    }
};

QT_END_NAMESPACE

#endif