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/****************************************************************************
**
** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QT3DRENDER_RENDER_SHADERDATA_P_H
#define QT3DRENDER_RENDER_SHADERDATA_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.
//
#include <Qt3DCore/qbackendnode.h>
#include <private/shadervariables_p.h>
#include <Qt3DRenderer/qshaderdata.h>
#include <QMutex>
#include <QMatrix4x4>
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
namespace Render {
class GraphicsContext;
class UniformBuffer;
class ShaderDataManager;
class Q_AUTOTEST_EXPORT ShaderData : public Qt3DCore::QBackendNode
{
public:
ShaderData();
~ShaderData();
void updateFromPeer(Qt3DCore::QNode *peer) Q_DECL_OVERRIDE;
inline QHash<QString, QVariant> properties() const { return m_properties; }
inline QHash<QString, QVariant> updatedProperties() const { return m_updatedProperties; }
// Called by cleanup job
inline static QList<Qt3DCore::QNodeId> updatedShaderDataList() { return m_updatedShaderData; }
inline static void clearShaderDataList() { return m_updatedShaderData.clear(); }
void clearUpdate();
// Call by RenderViewJobs
void addToClearUpdateList();
bool needsUpdate(const QMatrix4x4 &viewMatrix);
void updateTransformedProperties(const QMatrix4x4 &nodeWordlTransform);
protected:
void sceneChangeEvent(const Qt3DCore::QSceneChangePtr &e) Q_DECL_OVERRIDE;
private:
// 1 to 1 match with frontend properties, modified only by sceneChangeEvent
QHash<QString, QVariant> m_originalProperties;
// 1 to 1 match with frontend properties apart from Transformed
// properties which contain the matrices product
QHash<QString, QVariant> m_properties;
// only updated properties, Transformed properties have the same
// value as in m_properties
QHash<QString, QVariant> m_updatedProperties;
PropertyReaderInterfacePtr m_propertyReader;
QHash<QString, QVariant> m_nestedShaderDataProperties;
QHash<QString, QShaderData::TransformType> m_transformedProperties;
ShaderDataManager *m_manager;
QMutex *m_mutex;
static QList<Qt3DCore::QNodeId> m_updatedShaderData;
QMatrix4x4 m_worldMatrix;
QMatrix4x4 m_viewMatrix;
void readPeerProperties(QShaderData *peer);
void setManager(ShaderDataManager *manager);
friend class RenderShaderDataFunctor;
};
class RenderShaderDataFunctor : public Qt3DCore::QBackendNodeFunctor
{
public:
explicit RenderShaderDataFunctor(ShaderDataManager *manager);
Qt3DCore::QBackendNode *create(Qt3DCore::QNode *frontend, const Qt3DCore::QBackendNodeFactory *factory) const Q_DECL_FINAL;
Qt3DCore::QBackendNode *get(const Qt3DCore::QNodeId &id) const Q_DECL_FINAL;
void destroy(const Qt3DCore::QNodeId &id) const Q_DECL_FINAL;
private:
ShaderDataManager *m_manager;
};
} // namespace Render
} // namespace Qt3DRender
QT_END_NAMESPACE
Q_DECLARE_METATYPE(Qt3DRender::Render::ShaderData*)
#endif // QT3DRENDER_RENDER_SHADERDATA_P_H
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