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qquickgenericshadereffect_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 QtQuick 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 QQUICKGENERICSHADEREFFECT_P_H-
41#define QQUICKGENERICSHADEREFFECT_P_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-
54#include <QtQuick/qquickitem.h>-
55#include <private/qtquickglobal_p.h>-
56#include <private/qsgadaptationlayer_p.h>-
57#include "qquickshadereffect_p.h"-
58#include "qquickshadereffectmesh_p.h"-
59-
60QT_BEGIN_NAMESPACE-
61-
62class QSignalMapper;-
63-
64class Q_QUICK_PRIVATE_EXPORT QQuickGenericShaderEffect : public QObject-
65{-
66 Q_OBJECT-
67-
68public:-
69 QQuickGenericShaderEffect(QQuickShaderEffect *item, QObject *parent = nullptr);-
70 ~QQuickGenericShaderEffect();-
71-
72 QByteArray fragmentShader() const { return m_fragShader; }
never executed: return m_fragShader;
0
73 void setFragmentShader(const QByteArray &src);-
74-
75 QByteArray vertexShader() const { return m_vertShader; }
never executed: return m_vertShader;
0
76 void setVertexShader(const QByteArray &src);-
77-
78 bool blending() const { return m_blending; }
never executed: return m_blending;
0
79 void setBlending(bool enable);-
80-
81 QVariant mesh() const;-
82 void setMesh(const QVariant &mesh);-
83-
84 QQuickShaderEffect::CullMode cullMode() const { return m_cullMode; }
never executed: return m_cullMode;
0
85 void setCullMode(QQuickShaderEffect::CullMode face);-
86-
87 QString log() const;-
88 QQuickShaderEffect::Status status() const;-
89-
90 bool supportsAtlasTextures() const { return m_supportsAtlasTextures; }
never executed: return m_supportsAtlasTextures;
0
91 void setSupportsAtlasTextures(bool supports);-
92-
93 QString parseLog();-
94-
95 void handleEvent(QEvent *);-
96 void handleGeometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry);-
97 QSGNode *handleUpdatePaintNode(QSGNode *, QQuickItem::UpdatePaintNodeData *);-
98 void handleComponentComplete();-
99 void handleItemChange(QQuickItem::ItemChange change, const QQuickItem::ItemChangeData &value);-
100 void maybeUpdateShaders();-
101-
102private slots:-
103 void propertyChanged(int mappedId);-
104 void sourceDestroyed(QObject *object);-
105 void markGeometryDirtyAndUpdate();-
106 void markGeometryDirtyAndUpdateIfSupportsAtlas();-
107 void shaderCodePrepared(bool ok, QSGGuiThreadShaderEffectManager::ShaderInfo::Type typeHint,-
108 const QByteArray &src, QSGGuiThreadShaderEffectManager::ShaderInfo *result);-
109-
110private:-
111 QSGGuiThreadShaderEffectManager *shaderEffectManager() const;-
112-
113 enum Shader {-
114 Vertex,-
115 Fragment,-
116-
117 NShader-
118 };-
119 bool updateShader(Shader shaderType, const QByteArray &src);-
120 void updateShaderVars(Shader shaderType);-
121 void disconnectSignals(Shader shaderType);-
122 bool sourceIsUnique(QQuickItem *source, Shader typeToSkip, int indexToSkip) const;-
123-
124 QQuickShaderEffect *m_item;-
125 QSize m_meshResolution;-
126 QQuickShaderEffectMesh *m_mesh;-
127 QQuickGridMesh m_defaultMesh;-
128 QQuickShaderEffect::CullMode m_cullMode;-
129 bool m_blending;-
130 bool m_supportsAtlasTextures;-
131 mutable QSGGuiThreadShaderEffectManager *m_mgr;-
132 QByteArray m_fragShader;-
133 bool m_fragNeedsUpdate;-
134 QByteArray m_vertShader;-
135 bool m_vertNeedsUpdate;-
136-
137 QSGShaderEffectNode::ShaderData m_shaders[NShader];-
138 QSGShaderEffectNode::DirtyShaderFlags m_dirty;-
139 QSet<int> m_dirtyConstants[NShader];-
140 QSet<int> m_dirtyTextures[NShader];-
141 QSGGuiThreadShaderEffectManager::ShaderInfo *m_inProgress[NShader];-
142-
143 struct SignalMapper {-
144 SignalMapper() : mapper(nullptr), active(false) { }
never executed: end of block
0
145 QSignalMapper *mapper;-
146 bool active;-
147 };-
148 QVector<SignalMapper> m_signalMappers[NShader];-
149};-
150-
151QT_END_NAMESPACE-
152-
153#endif // QQUICKGENERICSHADEREFFECT_P_H-
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