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qquickcustomparticle_p.h

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1/****************************************************************************-
2**-
3** Copyright (C) 2016 The Qt Company Ltd.-
4** Contact: https://www.qt.io/licensing/-
5**-
6** This file is part of the QtQml module of the Qt Toolkit.-
7**-
8** $QT_BEGIN_LICENSE:LGPL$-
9** Commercial License Usage-
10** Licensees holding valid commercial Qt licenses may use this file in-
11** accordance with the commercial license agreement provided with the-
12** Software or, alternatively, in accordance with the terms contained in-
13** a written agreement between you and The Qt Company. For licensing terms-
14** and conditions see https://www.qt.io/terms-conditions. For further-
15** information use the contact form at https://www.qt.io/contact-us.-
16**-
17** GNU Lesser General Public License Usage-
18** Alternatively, this file may be used under the terms of the GNU Lesser-
19** General Public License version 3 as published by the Free Software-
20** Foundation and appearing in the file LICENSE.LGPL3 included in the-
21** packaging of this file. Please review the following information to-
22** ensure the GNU Lesser General Public License version 3 requirements-
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.-
24**-
25** GNU General Public License Usage-
26** Alternatively, this file may be used under the terms of the GNU-
27** General Public License version 2.0 or (at your option) the GNU General-
28** Public license version 3 or any later version approved by the KDE Free-
29** Qt Foundation. The licenses are as published by the Free Software-
30** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3-
31** included in the packaging of this file. Please review the following-
32** information to ensure the GNU General Public License requirements will-
33** be met: https://www.gnu.org/licenses/gpl-2.0.html and-
34** https://www.gnu.org/licenses/gpl-3.0.html.-
35**-
36** $QT_END_LICENSE$-
37**-
38****************************************************************************/-
39-
40#ifndef CUSTOM_PARTICLE_H-
41#define CUSTOM_PARTICLE_H-
42-
43//-
44// W A R N I N G-
45// --------------
46//-
47// This file is not part of the Qt API. It exists purely as an-
48// implementation detail. This header file may change from version to-
49// version without notice, or even be removed.-
50//-
51// We mean it.-
52//-
53#include "qquickparticlepainter_p.h"-
54#include <private/qquickopenglshadereffectnode_p.h>-
55#include <private/qquickopenglshadereffect_p.h>-
56-
57QT_BEGIN_NAMESPACE-
58-
59class QSGNode;-
60struct PlainVertices;-
61-
62class QQuickShaderEffectMaterialObject;-
63-
64//Genealogy: Hybrid of UltraParticle and ShaderEffect-
65class QQuickCustomParticle : public QQuickParticlePainter-
66{-
67 Q_OBJECT-
68 Q_PROPERTY(QByteArray fragmentShader READ fragmentShader WRITE setFragmentShader NOTIFY fragmentShaderChanged)-
69 Q_PROPERTY(QByteArray vertexShader READ vertexShader WRITE setVertexShader NOTIFY vertexShaderChanged)-
70-
71public:-
72 explicit QQuickCustomParticle(QQuickItem* parent=0);-
73 ~QQuickCustomParticle();-
74-
75 QByteArray fragmentShader() const { return m_common.source.sourceCode[Key::FragmentShader]; }
never executed: return m_common.source.sourceCode[Key::FragmentShader];
0
76 void setFragmentShader(const QByteArray &code);-
77-
78 QByteArray vertexShader() const { return m_common.source.sourceCode[Key::VertexShader]; }
never executed: return m_common.source.sourceCode[Key::VertexShader];
0
79 void setVertexShader(const QByteArray &code);-
80-
81Q_SIGNALS:-
82 void fragmentShaderChanged();-
83 void vertexShaderChanged();-
84-
85protected:-
86 void initialize(int gIdx, int pIdx) override;-
87 void commit(int gIdx, int pIdx) override;-
88-
89 QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *) override;-
90 QQuickOpenGLShaderEffectNode *prepareNextFrame(QQuickOpenGLShaderEffectNode *rootNode);-
91 void reset() override;-
92 void resize(int oldCount, int newCount);-
93 void componentComplete() override;-
94 QQuickOpenGLShaderEffectNode *buildCustomNodes();-
95-
96 void sceneGraphInvalidated() override;-
97 void itemChange(ItemChange change, const ItemChangeData &value) override;-
98-
99private Q_SLOTS:-
100 void sourceDestroyed(QObject *object);-
101-
102private:-
103 void propertyChanged(int mappedId);-
104-
105 typedef QQuickOpenGLShaderEffectMaterialKey Key;-
106 typedef QQuickOpenGLShaderEffectMaterial::UniformData UniformData;-
107-
108 void buildData(QQuickOpenGLShaderEffectNode *rootNode);-
109 void updateVertexShader();-
110-
111 QQuickOpenGLShaderEffectCommon m_common;-
112 const QMetaObject *m_myMetaObject;-
113-
114 QHash<int, QQuickOpenGLShaderEffectNode*> m_nodes;-
115 qreal m_lastTime;-
116-
117 uint m_dirtyUniforms : 1;-
118 uint m_dirtyUniformValues : 1;-
119 uint m_dirtyTextureProviders : 1;-
120 uint m_dirtyProgram : 1;-
121};-
122-
123QT_END_NAMESPACE-
124-
125#endif //HEADER_GUARD-
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