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39
40#include "scene2dplugin.h"
41
42#include <Qt3DRender/qrenderaspect.h>
43#include <Qt3DQuickScene2D/qscene2d.h>
44
45QT_BEGIN_NAMESPACE
46
47namespace Qt3DRender {
48namespace Render {
49
50template <typename Backend>
51class Scene2DBackendNodeMapper : public Qt3DCore::QBackendNodeMapper
52{
53public:
54 explicit Scene2DBackendNodeMapper(Render::AbstractRenderer *renderer,
55 Render::Scene2DNodeManager *manager)
56 : m_manager(manager)
57 , m_renderer(renderer)
58 {
59 }
60
61 Qt3DCore::QBackendNode *create(const Qt3DCore::QNodeCreatedChangeBasePtr &change) const final
62 {
63 Backend *backend = m_manager->getOrCreateResource(id: change->subjectId());
64 backend->setRenderer(m_renderer);
65 return backend;
66 }
67
68 Qt3DCore::QBackendNode *get(Qt3DCore::QNodeId id) const final
69 {
70 return m_manager->lookupResource(id);
71 }
72
73 void destroy(Qt3DCore::QNodeId id) const final
74 {
75 m_manager->releaseResource(id);
76 }
77
78private:
79 Render::Scene2DNodeManager *m_manager;
80 Render::AbstractRenderer *m_renderer;
81};
82
83Scene2DPlugin::Scene2DPlugin()
84 : m_scene2dNodeManager(new Render::Scene2DNodeManager())
85{
86
87}
88
89Scene2DPlugin::~Scene2DPlugin()
90{
91 delete m_scene2dNodeManager;
92}
93
94bool Scene2DPlugin::registerBackendTypes(QRenderAspect *aspect,
95 AbstractRenderer *renderer)
96{
97 registerBackendType(aspect, obj: Qt3DRender::Quick::QScene2D::staticMetaObject,
98 functor: QSharedPointer<Scene2DBackendNodeMapper<Render::Quick::Scene2D> >
99 ::create(arguments&: renderer, arguments&: m_scene2dNodeManager), supportsSyncing: true);
100 return true;
101}
102bool Scene2DPlugin::unregisterBackendTypes(QRenderAspect *aspect)
103{
104 unregisterBackendType(aspect, obj: Qt3DRender::Quick::QScene2D::staticMetaObject);
105 return true;
106}
107
108} // namespace Render
109} // namespace Qt3DRender
110
111QT_END_NAMESPACE
112

source code of qt3d/src/plugins/renderplugins/scene2d/scene2dplugin.cpp