1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQuick module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QQUICKGENERICSHADEREFFECT_P_H
#define QQUICKGENERICSHADEREFFECT_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtQuick/qquickitem.h>
#include <private/qtquickglobal_p.h>
#include <private/qsgadaptationlayer_p.h>
#include "qquickshadereffect_p.h"
#include "qquickshadereffectmesh_p.h"
QT_BEGIN_NAMESPACE
class QSignalMapper;
class Q_QUICK_PRIVATE_EXPORT QQuickGenericShaderEffect : public QObject
{
Q_OBJECT
public:
QQuickGenericShaderEffect(QQuickShaderEffect *item, QObject *parent = 0);
~QQuickGenericShaderEffect();
QByteArray fragmentShader() const { return m_fragShader; }
void setFragmentShader(const QByteArray &src);
QByteArray vertexShader() const { return m_vertShader; }
void setVertexShader(const QByteArray &src);
bool blending() const { return m_blending; }
void setBlending(bool enable);
QVariant mesh() const;
void setMesh(const QVariant &mesh);
QQuickShaderEffect::CullMode cullMode() const { return m_cullMode; }
void setCullMode(QQuickShaderEffect::CullMode face);
QString log() const;
QQuickShaderEffect::Status status() const;
bool supportsAtlasTextures() const { return m_supportsAtlasTextures; }
void setSupportsAtlasTextures(bool supports);
QString parseLog();
void handleEvent(QEvent *);
void handleGeometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry);
QSGNode *handleUpdatePaintNode(QSGNode *, QQuickItem::UpdatePaintNodeData *);
void handleComponentComplete();
void handleItemChange(QQuickItem::ItemChange change, const QQuickItem::ItemChangeData &value);
void maybeUpdateShaders();
private slots:
void propertyChanged(int mappedId);
void sourceDestroyed(QObject *object);
void markGeometryDirtyAndUpdate();
void markGeometryDirtyAndUpdateIfSupportsAtlas();
void shaderCodePrepared(bool ok, QSGGuiThreadShaderEffectManager::ShaderInfo::Type typeHint,
const QByteArray &src, QSGGuiThreadShaderEffectManager::ShaderInfo *result);
private:
QSGGuiThreadShaderEffectManager *shaderEffectManager() const;
enum Shader {
Vertex,
Fragment,
NShader
};
bool updateShader(Shader shaderType, const QByteArray &src);
void updateShaderVars(Shader shaderType);
void disconnectSignals(Shader shaderType);
bool sourceIsUnique(QQuickItem *source, Shader typeToSkip, int indexToSkip) const;
QQuickShaderEffect *m_item;
QSize m_meshResolution;
QQuickShaderEffectMesh *m_mesh;
QQuickGridMesh m_defaultMesh;
QQuickShaderEffect::CullMode m_cullMode;
bool m_blending;
bool m_supportsAtlasTextures;
mutable QSGGuiThreadShaderEffectManager *m_mgr;
QByteArray m_fragShader;
bool m_fragNeedsUpdate;
QByteArray m_vertShader;
bool m_vertNeedsUpdate;
QSGShaderEffectNode::ShaderData m_shaders[NShader];
QSGShaderEffectNode::DirtyShaderFlags m_dirty;
QSet<int> m_dirtyConstants[NShader];
QSet<int> m_dirtyTextures[NShader];
QSGGuiThreadShaderEffectManager::ShaderInfo *m_inProgress[NShader];
struct SignalMapper {
SignalMapper() : mapper(nullptr), active(false) { }
QSignalMapper *mapper;
bool active;
};
QVector<SignalMapper> m_signalMappers[NShader];
};
QT_END_NAMESPACE
#endif // QQUICKGENERICSHADEREFFECT_P_H
|
