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Diffstat (limited to 'src/quick/particles/qquickcustomparticle_p.h')
-rw-r--r-- | src/quick/particles/qquickcustomparticle_p.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/src/quick/particles/qquickcustomparticle_p.h b/src/quick/particles/qquickcustomparticle_p.h new file mode 100644 index 0000000000..583e61fa39 --- /dev/null +++ b/src/quick/particles/qquickcustomparticle_p.h @@ -0,0 +1,119 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation ([email protected]) +** +** This file is part of the QtDeclarative 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 <private/qquickshadereffectnode_p.h> +#include <QSignalMapper> + +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_source.fragmentCode; } + void setFragmentShader(const QByteArray &code); + + QByteArray vertexShader() const { return m_source.vertexCode; } + void setVertexShader(const QByteArray &code); +public Q_SLOTS: + void updateData(); + void changeSource(int); +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 *); + void prepareNextFrame(); + void setSource(const QVariant &var, int index); + void disconnectPropertySignals(); + void connectPropertySignals(); + void reset(); + void resize(int oldCount, int newCount); + void updateProperties(); + void lookThroughShaderCode(const QByteArray &code); + virtual void componentComplete(); + QQuickShaderEffectNode *buildCustomNodes(); + void performPendingResize(); + +private: + void buildData(); + + bool m_dirtyData; + QQuickShaderEffectProgram m_source; + struct SourceData + { + QSignalMapper *mapper; + QPointer<QQuickItem> item; + QByteArray name; + }; + QVector<SourceData> m_sources; + QQuickShaderEffectMaterialObject *m_material; + QQuickShaderEffectNode* m_rootNode; + QHash<int, QQuickShaderEffectNode*> m_nodes; + qreal m_lastTime; + +}; + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif //HEADER_GUARD |