/**************************************************************************** ** ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/ ** ** This file is part of the QtQml module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** GNU Lesser General Public License Usage ** This file may be used under the terms of the GNU Lesser General Public ** License version 2.1 as published by the Free Software Foundation and ** appearing in the file LICENSE.LGPL included in the packaging of this ** file. Please review the following information to ensure the GNU Lesser ** General Public License version 2.1 requirements will be met: ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Nokia gives you certain additional ** rights. These rights are described in the Nokia Qt LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU General ** Public License version 3.0 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 3.0 requirements will be met: ** http://www.gnu.org/copyleft/gpl.html. ** ** Other Usage ** Alternatively, this file may be used in accordance with the terms and ** conditions contained in a signed written agreement between you and Nokia. ** ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef CUSTOM_PARTICLE_H #define CUSTOM_PARTICLE_H #include "qquickparticlepainter_p.h" #include #include #include QT_BEGIN_HEADER QT_BEGIN_NAMESPACE class QSGNode; struct PlainVertices; class QQuickShaderEffectMaterialObject; //Genealogy: Hybrid of UltraParticle and ShaderEffect class QQuickCustomParticle : public QQuickParticlePainter { Q_OBJECT Q_PROPERTY(QByteArray fragmentShader READ fragmentShader WRITE setFragmentShader NOTIFY fragmentShaderChanged) Q_PROPERTY(QByteArray vertexShader READ vertexShader WRITE setVertexShader NOTIFY vertexShaderChanged) public: explicit QQuickCustomParticle(QQuickItem* parent=0); ~QQuickCustomParticle(); QByteArray fragmentShader() const { return m_common.source.sourceCode[Key::FragmentShader]; } void setFragmentShader(const QByteArray &code); QByteArray vertexShader() const { return m_common.source.sourceCode[Key::VertexShader]; } void setVertexShader(const QByteArray &code); Q_SIGNALS: void fragmentShaderChanged(); void vertexShaderChanged(); protected: virtual void initialize(int gIdx, int pIdx); virtual void commit(int gIdx, int pIdx); QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *); QQuickShaderEffectNode *prepareNextFrame(QQuickShaderEffectNode *rootNode); void reset(); void resize(int oldCount, int newCount); virtual void componentComplete(); QQuickShaderEffectNode *buildCustomNodes(); void sceneGraphInvalidated(); void itemChange(ItemChange change, const ItemChangeData &value); private Q_SLOTS: void sourceDestroyed(QObject *object); void propertyChanged(int mappedId); private: typedef QQuickShaderEffectMaterialKey Key; typedef QQuickShaderEffectMaterial::UniformData UniformData; void buildData(QQuickShaderEffectNode *rootNode); void updateVertexShader(); QQuickShaderEffectCommon m_common; QHash m_nodes; qreal m_lastTime; uint m_dirtyUniforms : 1; uint m_dirtyUniformValues : 1; uint m_dirtyTextureProviders : 1; uint m_dirtyProgram : 1; }; QT_END_NAMESPACE QT_END_HEADER #endif //HEADER_GUARD