diff options
author | Matthew Vogt <matthew.vogt@nokia.com> | 2012-04-11 16:54:33 +1000 |
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committer | Qt by Nokia <qt-info@nokia.com> | 2012-04-16 01:25:54 +0200 |
commit | f189b8934dc405cbd45258abc5aba2713428b1cc (patch) | |
tree | dd3d4f61c7337343705faf7a603585c287b8ae50 /src/particles/qquickcustomparticle_p.h | |
parent | e00c40a89a1172add896e86e805a7cd42a4ea0c5 (diff) |
Extract Particles code to an independent library
QtQuick clients that do not use particles features should not have
to load these classes.
Task-number: QTBUG-25178
Change-Id: Ib15f7655dc4d821595e06f9160d2770375279027
Reviewed-by: Glenn Watson <glenn.watson@nokia.com>
Diffstat (limited to 'src/particles/qquickcustomparticle_p.h')
-rw-r--r-- | src/particles/qquickcustomparticle_p.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/src/particles/qquickcustomparticle_p.h b/src/particles/qquickcustomparticle_p.h new file mode 100644 index 0000000000..f689091268 --- /dev/null +++ b/src/particles/qquickcustomparticle_p.h @@ -0,0 +1,119 @@ +/**************************************************************************** +** +** 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 <private/qquickshadereffectnode_p.h> +#include <private/qquickshadereffect_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_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<int, QQuickShaderEffectNode*> 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 |