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39
40#ifndef QT3DRENDER_RENDER_FRUSTUMCULLINGJOB_P_H
41#define QT3DRENDER_RENDER_FRUSTUMCULLINGJOB_P_H
42
43#include <Qt3DCore/qaspectjob.h>
44#include <Qt3DCore/private/matrix4x4_p.h>
45#include <Qt3DCore/private/vector3d_p.h>
46#include <Qt3DCore/private/vector4d_p.h>
47#include <Qt3DRender/private/aligned_malloc_p.h>
48#include <Qt3DRender/private/qt3drender_global_p.h>
49
50//
51// W A R N I N G
52// -------------
53//
54// This file is not part of the Qt API. It exists for the convenience
55// of other Qt classes. This header file may change from version to
56// version without notice, or even be removed.
57//
58// We mean it.
59//
60
61QT_BEGIN_NAMESPACE
62
63namespace Qt3DRender {
64
65namespace Render {
66
67class Entity;
68class EntityManager;
69class NodeManagers;
70struct Plane;
71
72class Q_3DRENDERSHARED_PRIVATE_EXPORT FrustumCullingJob : public Qt3DCore::QAspectJob
73{
74public:
75 FrustumCullingJob();
76 ~FrustumCullingJob();
77
78 QT3D_ALIGNED_MALLOC_AND_FREE()
79
80 inline void setRoot(Entity *root) Q_DECL_NOTHROW { m_root = root; }
81 inline void setManagers(NodeManagers *manager) Q_DECL_NOTHROW { m_manager = manager; }
82 inline void setActive(bool active) Q_DECL_NOTHROW { m_active = active; }
83 inline bool isActive() const Q_DECL_NOTHROW { return m_active; }
84 inline void setViewProjection(const Matrix4x4 &viewProjection) Q_DECL_NOTHROW { m_viewProjection = viewProjection; }
85 inline Matrix4x4 viewProjection() const Q_DECL_NOTHROW { return m_viewProjection; }
86
87 QVector<Entity *> visibleEntities() const Q_DECL_NOTHROW { return m_visibleEntities; }
88
89 void run() final;
90
91private:
92 struct Q_AUTOTEST_EXPORT Plane
93 {
94 explicit Plane(const Vector4D &planeEquation)
95 : planeEquation(planeEquation)
96 , normal(Vector3D(planeEquation).normalized())
97 , d(planeEquation.w() / Vector3D(planeEquation).length())
98 {}
99
100 const Vector4D planeEquation;
101 const Vector3D normal;
102 const float d;
103 };
104
105 void cullScene(Entity *e, const Plane *planes);
106 Matrix4x4 m_viewProjection;
107 Entity *m_root;
108 NodeManagers *m_manager;
109 QVector<Entity *> m_visibleEntities;
110 bool m_active;
111};
112
113typedef QSharedPointer<FrustumCullingJob> FrustumCullingJobPtr;
114
115} // Render
116
117} // Qt3DRender
118
119QT_END_NAMESPACE
120
121#endif // QT3DRENDER_RENDER_FRUSTUMCULLINGJOB_P_H
122

source code of qt3d/src/render/jobs/frustumcullingjob_p.h