1// Copyright (C) 2019 Klaralvdalens Datakonsult AB (KDAB).
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#ifndef QT3DRENDER_RENDER_ENTITYACCUMULATOR_H
5#define QT3DRENDER_RENDER_ENTITYACCUMULATOR_H
6
7//
8// W A R N I N G
9// -------------
10//
11// This file is not part of the Qt API. It exists for the convenience
12// of other Qt classes. This header file may change from version to
13// version without notice, or even be removed.
14//
15// We mean it.
16//
17
18#include <Qt3DRender/private/entity_p.h>
19#include <Qt3DRender/private/qt3drender_global_p.h>
20#include <QList>
21
22QT_BEGIN_NAMESPACE
23
24namespace Qt3DRender {
25namespace Render {
26
27class NodeManagers;
28
29class Q_3DRENDERSHARED_PRIVATE_EXPORT EntityAccumulator
30{
31public:
32 EntityAccumulator(NodeManagers *manager);
33 EntityAccumulator(std::function<bool(Entity*)> predicate, NodeManagers *manager);
34
35 QList<Entity *> apply(Entity *root) const;
36
37private:
38 NodeManagers *m_manager;
39 std::function<bool(Entity *)> m_predicate;
40};
41
42} // namespace Render
43} // namespace Qt3DRender
44
45QT_END_NAMESPACE
46
47#endif // QT3DRENDER_RENDER_ENTITYACCUMULATOR_H
48

source code of qt3d/src/render/backend/entityaccumulator_p.h