| 1 | // Copyright (C) 2016 Paul Lemire |
|---|---|
| 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_FRUSTUMCULLINGJOB_P_H |
| 5 | #define QT3DRENDER_RENDER_FRUSTUMCULLINGJOB_P_H |
| 6 | |
| 7 | #include <Qt3DCore/qaspectjob.h> |
| 8 | #include <Qt3DCore/private/matrix4x4_p.h> |
| 9 | #include <Qt3DCore/private/vector3d_p.h> |
| 10 | #include <Qt3DCore/private/vector4d_p.h> |
| 11 | #include <Qt3DCore/private/aligned_malloc_p.h> |
| 12 | #include <Qt3DRender/private/qt3drender_global_p.h> |
| 13 | |
| 14 | // |
| 15 | // W A R N I N G |
| 16 | // ------------- |
| 17 | // |
| 18 | // This file is not part of the Qt API. It exists for the convenience |
| 19 | // of other Qt classes. This header file may change from version to |
| 20 | // version without notice, or even be removed. |
| 21 | // |
| 22 | // We mean it. |
| 23 | // |
| 24 | |
| 25 | QT_BEGIN_NAMESPACE |
| 26 | |
| 27 | namespace Qt3DRender { |
| 28 | |
| 29 | namespace Render { |
| 30 | |
| 31 | class Entity; |
| 32 | class EntityManager; |
| 33 | class NodeManagers; |
| 34 | struct Plane; |
| 35 | |
| 36 | class Q_3DRENDERSHARED_PRIVATE_EXPORT FrustumCullingJob : public Qt3DCore::QAspectJob |
| 37 | { |
| 38 | public: |
| 39 | FrustumCullingJob(); |
| 40 | ~FrustumCullingJob(); |
| 41 | |
| 42 | QT3D_ALIGNED_MALLOC_AND_FREE() |
| 43 | |
| 44 | inline void setRoot(Entity *root) noexcept { m_root = root; } |
| 45 | inline void setManagers(NodeManagers *manager) noexcept { m_manager = manager; } |
| 46 | inline void setActive(bool active) noexcept { m_active = active; } |
| 47 | inline bool isActive() const noexcept { return m_active; } |
| 48 | inline void setViewProjection(const Matrix4x4 &viewProjection) noexcept { m_viewProjection = viewProjection; } |
| 49 | inline Matrix4x4 viewProjection() const noexcept { return m_viewProjection; } |
| 50 | bool isRequired() override; |
| 51 | |
| 52 | const std::vector<Entity *> &visibleEntities() const noexcept { return m_visibleEntities; } |
| 53 | |
| 54 | void run() final; |
| 55 | |
| 56 | private: |
| 57 | struct Q_AUTOTEST_EXPORT Plane |
| 58 | { |
| 59 | explicit Plane(const Vector4D &planeEquation) |
| 60 | : planeEquation(planeEquation) |
| 61 | , normal(Vector3D(planeEquation).normalized()) |
| 62 | , d(planeEquation.w() / Vector3D(planeEquation).length()) |
| 63 | {} |
| 64 | |
| 65 | const Vector4D planeEquation; |
| 66 | const Vector3D normal; |
| 67 | const float d; |
| 68 | }; |
| 69 | |
| 70 | void cullScene(Entity *e, const Plane *planes); |
| 71 | Matrix4x4 m_viewProjection; |
| 72 | Entity *m_root; |
| 73 | NodeManagers *m_manager; |
| 74 | std::vector<Entity *> m_visibleEntities; |
| 75 | bool m_active; |
| 76 | }; |
| 77 | |
| 78 | typedef QSharedPointer<FrustumCullingJob> FrustumCullingJobPtr; |
| 79 | |
| 80 | } // Render |
| 81 | |
| 82 | } // Qt3DRender |
| 83 | |
| 84 | QT_END_NAMESPACE |
| 85 | |
| 86 | #endif // QT3DRENDER_RENDER_FRUSTUMCULLINGJOB_P_H |
| 87 |