qtquick3dassetutilsglobal_p.h

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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
// Qt-Security score:significant reason:default
 
 
#ifndef QTQUICK3DASSETUTILSGLOBAL_P_H
#define QTQUICK3DASSETUTILSGLOBAL_P_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 <QtCore/qglobal.h>
#include <QtCore/qstring.h>
#include <QtCore/qhash.h>
#include <QtQuick3DAssetUtils/qtquick3dassetutilsexports.h>
#include <QtQuick3DRuntimeRender/private/qssgrendergraphobject_p.h>
 
QT_BEGIN_NAMESPACE
 
void Q_QUICK3DASSETUTILS_EXPORT qml_register_types_QtQuick3D_AssetUtils();
 
class QQuick3DObject;
 
// Key used by QSSRtObjectMap for runtime object lookup.
//
// Only 'name' participates in operator== and qHash, so QMultiHash buckets
// are partitioned by name. The 'path' field is intentionally excluded from
// hash/equality to enable a two-phase lookup: first retrieve all entries
// with a matching name via equal_range(), then filter by 'path' manually.
// Do NOT add 'path' to operator== or qHash — that would break the path-based
// lookup in QQuick3DRuntimeLoader::query().
class QSSGRuntimeObjectNameKey
{
public:
    QString name;
    QString path;
 
    friend bool operator==(const QSSGRuntimeObjectNameKey &lhs, const QSSGRuntimeObjectNameKey &rhs) noexcept
    {
        return lhs.name == rhs.name;
    }
 
    friend size_t qHash(const QSSGRuntimeObjectNameKey &key, size_t seed = 0) noexcept
    {
        return qHash(key.name, seed);
    }
 
};
 
using QSSGRuntimeObjectTypeKey = QSSGRenderGraphObject::BaseType;
 
using QSSGRuntimeObjectNameMap = QMultiHash<QSSGRuntimeObjectNameKey, QPointer<QQuick3DObject>>;
using QSSGRuntimeObjectTypeMap = QMultiHash<QSSGRuntimeObjectTypeKey, QPointer<QQuick3DObject>>;
 
QT_END_NAMESPACE
 
#endif // QTQUICK3DASSETUTILSGLOBAL_P_H