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39
40#ifndef QT3DRENDER_RENDER_NODEFUNCTOR_P_H
41#define QT3DRENDER_RENDER_NODEFUNCTOR_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists for the convenience
48// of other Qt classes. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include <Qt3DCore/qnode.h>
55#include <Qt3DRender/private/backendnode_p.h>
56
57QT_BEGIN_NAMESPACE
58
59namespace Qt3DRender {
60
61namespace Render {
62
63class AbstractRenderer;
64
65template<class Backend, class Manager>
66class NodeFunctor : public Qt3DCore::QBackendNodeMapper
67{
68public:
69 explicit NodeFunctor(AbstractRenderer *renderer)
70 : m_manager(renderer->nodeManagers()->manager<Backend, Manager>())
71 , m_renderer(renderer)
72 {
73 }
74
75 Qt3DCore::QBackendNode *create(const Qt3DCore::QNodeCreatedChangeBasePtr &change) const final
76 {
77 Backend *backend = m_manager->getOrCreateResource(change->subjectId());
78 backend->setRenderer(m_renderer);
79 return backend;
80 }
81
82 Qt3DCore::QBackendNode *get(Qt3DCore::QNodeId id) const final
83 {
84 return m_manager->lookupResource(id);
85 }
86
87 void destroy(Qt3DCore::QNodeId id) const final
88 {
89 m_manager->releaseResource(id);
90 }
91
92private:
93 Manager *m_manager;
94 AbstractRenderer *m_renderer;
95};
96
97} // namespace Render
98
99} // namespace Qt3DRender
100
101QT_END_NAMESPACE
102
103#endif // QT3DRENDER_RENDER_NODEFUNCTOR_P_H
104

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