text: /****************************************************************************
  **
  ** Copyright (C) 2016 Paul Lemire
  ** Contact: https://www.qt.io/licensing/
  **
  ** This file is part of the Qt3D module of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:LGPL$
  ** Commercial License Usage
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  ** accordance with the commercial license agreement provided with the
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  ** GNU Lesser General Public License Usage
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  ** packaging of this file. Please review the following information to
  ** ensure the GNU Lesser General Public License version 3 requirements
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  ****************************************************************************/
  
  #ifndef QT3DRENDER_RENDER_FRUSTUMCULLINGJOB_P_H
  #define QT3DRENDER_RENDER_FRUSTUMCULLINGJOB_P_H
  
  #include <Qt3DCore/qaspectjob.h>
  #include <Qt3DCore/private/matrix4x4_p.h>
  #include <Qt3DRender/private/aligned_malloc_p.h>
  
  //
  //  W A R N I N G
  //  -------------
  //
  // This file is not part of the Qt API.  It exists for the convenience
  // of other Qt classes.  This header file may change from version to
  // version without notice, or even be removed.
  //
  // We mean it.
  //
  
  QT_BEGIN_NAMESPACE
  
  namespace Qt3DRender {
  
  namespace Render {
  
  class Entity;
  class EntityManager;
  class NodeManagers;
  struct Plane;
  
  class FrustumCullingJob : public Qt3DCore::QAspectJob
  {
  public:
      FrustumCullingJob();
  
      QT3D_ALIGNED_MALLOC_AND_FREE()
  
      inline void setRoot(Entity *root) Q_DECL_NOTHROW { m_root = root; }
      inline void setManagers(NodeManagers *manager) Q_DECL_NOTHROW { m_manager = manager; }
      inline void setActive(bool active) Q_DECL_NOTHROW { m_active = active; }
      inline bool isActive() const Q_DECL_NOTHROW { return m_active; }
      inline void setViewProjection(const Matrix4x4 &viewProjection) Q_DECL_NOTHROW { m_viewProjection = viewProjection; }
      inline Matrix4x4 viewProjection() const Q_DECL_NOTHROW { return m_viewProjection; }
  
      QVector<Entity *> visibleEntities() const Q_DECL_NOTHROW { return m_visibleEntities; }
  
      void run() final;
  
  private:
      void cullScene(Entity *e, const Plane *planes);
      Matrix4x4 m_viewProjection;
      Entity *m_root;
      NodeManagers *m_manager;
      QVector<Entity *> m_visibleEntities;
      bool m_active;
  };
  
  typedef QSharedPointer<FrustumCullingJob> FrustumCullingJobPtr;
  
  } // Render
  
  } // Qt3DRender
  
  QT_END_NAMESPACE
  
  #endif // QT3DRENDER_RENDER_FRUSTUMCULLINGJOB_P_H
  