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/****************************************************************************
**
** Copyright (C) 2016 Paul Lemire
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
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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 <Qt3DCore/private/vector3d_p.h>
#include <Qt3DCore/private/vector4d_p.h>
#include <Qt3DRender/private/aligned_malloc_p.h>
#include <Qt3DRender/private/qt3drender_global_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 Q_3DRENDERSHARED_PRIVATE_EXPORT FrustumCullingJob : public Qt3DCore::QAspectJob
{
public:
FrustumCullingJob();
~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:
struct Q_AUTOTEST_EXPORT Plane
{
explicit Plane(const Vector4D &planeEquation)
: planeEquation(planeEquation)
, normal(Vector3D(planeEquation).normalized())
, d(planeEquation.w() / Vector3D(planeEquation).length())
{}
const Vector4D planeEquation;
const Vector3D normal;
const float d;
};
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
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