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qquickopenglshadereffectnode_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-
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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-
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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-
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38****************************************************************************/-
39-
40#ifndef QQUICKOPENGLSHADEREFFECTNODE_P_H-
41#define QQUICKOPENGLSHADEREFFECTNODE_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 <private/qtquickglobal_p.h>-
55-
56QT_REQUIRE_CONFIG(quick_shadereffect);-
57-
58#include <QtQuick/qsgnode.h>-
59#include <QtQuick/qsgmaterial.h>-
60#include <QtQuick/qsgtextureprovider.h>-
61#include <QtQuick/qquickitem.h>-
62#include <private/qtquickglobal_p.h>-
63#include <private/qquickshadereffect_p.h>-
64-
65#include <QtCore/qsharedpointer.h>-
66#include <QtCore/qpointer.h>-
67-
68QT_BEGIN_NAMESPACE-
69-
70struct QQuickOpenGLShaderEffectMaterialKey {-
71 enum ShaderType-
72 {-
73 VertexShader,-
74 FragmentShader,-
75 ShaderTypeCount-
76 };-
77-
78 QByteArray sourceCode[ShaderTypeCount];-
79-
80 bool operator == (const QQuickOpenGLShaderEffectMaterialKey &other) const;-
81 bool operator != (const QQuickOpenGLShaderEffectMaterialKey &other) const;-
82};-
83-
84uint qHash(const QQuickOpenGLShaderEffectMaterialKey &key);-
85-
86class QQuickCustomMaterialShader;-
87class QQuickOpenGLShaderEffectNode;-
88class Q_QUICK_PRIVATE_EXPORT QQuickOpenGLShaderEffectMaterial : public QSGMaterial-
89{-
90public:-
91 struct UniformData-
92 {-
93 enum SpecialType { None, Sampler, SamplerExternal, SubRect, Opacity, Matrix };-
94-
95 QByteArray name;-
96 QVariant value;-
97 int propertyIndex = -1;-
98 SpecialType specialType;-
99-
100 bool operator == (const UniformData &other) const;-
101-
102 void setValueFromProperty(QObject *item, const QMetaObject *itemMetaObject)-
103 {-
104 if (propertyIndex == -1) {
propertyIndex == -1Description
TRUEevaluated 46 times by 5 tests
Evaluated by:
  • tst_examples
  • tst_qquickborderimage
  • tst_qquickcustomparticle
  • tst_qquickitemlayer
  • tst_qquickshadereffect
FALSEevaluated 94 times by 3 tests
Evaluated by:
  • tst_examples
  • tst_qquickitemlayer
  • tst_qquickshadereffect
46-94
105 value = item->property(name);-
106 } else {
executed 46 times by 5 tests: end of block
Executed by:
  • tst_examples
  • tst_qquickborderimage
  • tst_qquickcustomparticle
  • tst_qquickitemlayer
  • tst_qquickshadereffect
46
107 value = itemMetaObject->property(propertyIndex).read(item);-
108 }
executed 94 times by 3 tests: end of block
Executed by:
  • tst_examples
  • tst_qquickitemlayer
  • tst_qquickshadereffect
94
109 }-
110 };-
111-
112 explicit QQuickOpenGLShaderEffectMaterial(QQuickOpenGLShaderEffectNode *node = nullptr);-
113 QSGMaterialType *type() const override;-
114 QSGMaterialShader *createShader() const override;-
115 int compare(const QSGMaterial *other) const override;-
116-
117 QVector<QByteArray> attributes;-
118 QVector<UniformData> uniforms[QQuickOpenGLShaderEffectMaterialKey::ShaderTypeCount];-
119 QVector<QSGTextureProvider *> textureProviders;-
120 QQuickShaderEffect::CullMode cullMode;-
121 bool geometryUsesTextureSubRect;-
122-
123 void setProgramSource(const QQuickOpenGLShaderEffectMaterialKey &source);-
124 void updateTextures() const;-
125 void invalidateTextureProvider(QSGTextureProvider *provider);-
126-
127 static void cleanupMaterialCache();-
128-
129protected:-
130 friend class QQuickCustomMaterialShader;-
131-
132 // Each material needs a unique type to ensure that the renderer has a one-
133 // and exactly one GL program for every unique set of shader sources.-
134 // setProgramSource() stores the sources in a cache along with the right-
135 // type. The type is cleaned up in cleanupMaterialCache() which is called-
136 // when the GL context is shut down.-
137 QSGMaterialType *m_type;-
138 QQuickOpenGLShaderEffectMaterialKey m_source;-
139-
140 QQuickOpenGLShaderEffectNode *m_node;-
141 bool m_emittedLogChanged;-
142};-
143-
144-
145class QSGShaderEffectMesh;-
146-
147class Q_QUICK_PRIVATE_EXPORT QQuickOpenGLShaderEffectNode : public QObject, public QSGGeometryNode-
148{-
149 Q_OBJECT-
150public:-
151 QQuickOpenGLShaderEffectNode();-
152 ~QQuickOpenGLShaderEffectNode() override;-
153-
154 void preprocess() override;-
155-
156Q_SIGNALS:-
157 void logAndStatusChanged(const QString &, int status);-
158 void dirtyTexture();-
159-
160private Q_SLOTS:-
161 void markDirtyTexture();-
162 void textureProviderDestroyed(QObject *object);-
163};-
164-
165QT_END_NAMESPACE-
166-
167#endif // QQUICKOPENGLSHADEREFFECTNODE_P_H-
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