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qquickopenglinfo.cpp

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1/****************************************************************************-
2**-
3** Copyright (C) 2016 BlackBerry Ltd.-
4** Copyright (C) 2016 The Qt Company Ltd.-
5** Contact: https://www.qt.io/licensing/-
6**-
7** This file is part of the QtQuick module of the Qt Toolkit.-
8**-
9** $QT_BEGIN_LICENSE:LGPL$-
10** Commercial License Usage-
11** Licensees holding valid commercial Qt licenses may use this file in-
12** accordance with the commercial license agreement provided with the-
13** Software or, alternatively, in accordance with the terms contained in-
14** a written agreement between you and The Qt Company. For licensing terms-
15** and conditions see https://www.qt.io/terms-conditions. For further-
16** information use the contact form at https://www.qt.io/contact-us.-
17**-
18** GNU Lesser General Public License Usage-
19** Alternatively, this file may be used under the terms of the GNU Lesser-
20** General Public License version 3 as published by the Free Software-
21** Foundation and appearing in the file LICENSE.LGPL3 included in the-
22** packaging of this file. Please review the following information to-
23** ensure the GNU Lesser General Public License version 3 requirements-
24** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.-
25**-
26** GNU General Public License Usage-
27** Alternatively, this file may be used under the terms of the GNU-
28** General Public License version 2.0 or (at your option) the GNU General-
29** Public license version 3 or any later version approved by the KDE Free-
30** Qt Foundation. The licenses are as published by the Free Software-
31** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3-
32** included in the packaging of this file. Please review the following-
33** information to ensure the GNU General Public License requirements will-
34** be met: https://www.gnu.org/licenses/gpl-2.0.html and-
35** https://www.gnu.org/licenses/gpl-3.0.html.-
36**-
37** $QT_END_LICENSE$-
38**-
39****************************************************************************/-
40-
41#include "qquickopenglinfo_p.h"-
42#include "qopenglcontext.h"-
43#include "qquickwindow.h"-
44#include "qquickitem.h"-
45-
46QT_BEGIN_NAMESPACE-
47-
48/*!-
49 \qmltype OpenGLInfo-
50 \instantiates QQuickOpenGLInfo-
51 \inqmlmodule QtQuick-
52 \ingroup qtquick-effects-
53 \since 5.4-
54 \brief Provides information about the used OpenGL version.-
55-
56 The OpenGLInfo attached type provides information about the OpenGL-
57 version being used to render the surface of the attachee item.-
58-
59 If the attachee item is not currently associated with any graphical-
60 surface, the properties are set to the values of the default surface-
61 format. When it becomes associated with a surface, all properties-
62 will update.-
63-
64 \deprecated-
65-
66 \warning This type is deprecated. Use GraphicsInfo instead.-
67-
68 \sa ShaderEffect-
69 */-
70QQuickOpenGLInfo::QQuickOpenGLInfo(QQuickItem *item)-
71 : QObject(item)-
72 , m_window(nullptr)-
73 , m_majorVersion(2)-
74 , m_minorVersion(0)-
75 , m_profile(NoProfile)-
76 , m_renderableType(Unspecified)-
77{-
78 connect(item, SIGNAL(windowChanged(QQuickWindow*)), this, SLOT(setWindow(QQuickWindow*)));-
79 setWindow(item->window());-
80}
executed 2 times by 1 test: end of block
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81-
82/*!-
83 \qmlproperty int QtQuick::OpenGLInfo::majorVersion-
84-
85 This property holds the major OpenGL version.-
86-
87 The default version is \c 2.0.-
88-
89 \sa minorVersion, profile-
90 */-
91int QQuickOpenGLInfo::majorVersion() const-
92{-
93 return m_majorVersion;
executed 2 times by 1 test: return m_majorVersion;
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94}-
95-
96/*!-
97 \qmlproperty int QtQuick::OpenGLInfo::minorVersion-
98-
99 This property holds the minor OpenGL version.-
100-
101 The default version is \c 2.0.-
102-
103 \sa majorVersion, profile-
104 */-
105int QQuickOpenGLInfo::minorVersion() const-
106{-
107 return m_minorVersion;
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108}-
109-
110/*!-
111 \qmlproperty enumeration QtQuick::OpenGLInfo::profile-
112-
113 This property holds the configured OpenGL context profile.-
114-
115 The possible values are:-
116 \list-
117 \li OpenGLInfo.NoProfile (default) - OpenGL version is lower than 3.2.-
118 \li OpenGLInfo.CoreProfile - Functionality deprecated in OpenGL version 3.0 is not available.-
119 \li OpenGLInfo.CompatibilityProfile - Functionality from earlier OpenGL versions is available.-
120 \endlist-
121-
122 Reusable QML components will typically use this property in bindings in order to-
123 choose between core and non core profile compatible shader sources.-
124-
125 \sa majorVersion, minorVersion-
126 */-
127QQuickOpenGLInfo::ContextProfile QQuickOpenGLInfo::profile() const-
128{-
129 return m_profile;
executed 2 times by 1 test: return m_profile;
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130}-
131-
132/*!-
133 \qmlproperty enumeration QtQuick::OpenGLInfo::renderableType-
134-
135 This property holds the renderable type.-
136-
137 The possible values are:-
138 \list-
139 \li OpenGLInfo.Unspecified (default) - Unspecified rendering method-
140 \li OpenGLInfo.OpenGL - Desktop OpenGL rendering-
141 \li OpenGLInfo.OpenGLES - OpenGL ES rendering-
142 \endlist-
143 */-
144QQuickOpenGLInfo::RenderableType QQuickOpenGLInfo::renderableType() const-
145{-
146 return m_renderableType;
executed 2 times by 1 test: return m_renderableType;
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147}-
148-
149QQuickOpenGLInfo *QQuickOpenGLInfo::qmlAttachedProperties(QObject *object)-
150{-
151 if (QQuickItem *item = qobject_cast<QQuickItem *>(object))
QQuickItem *it...tem *>(object)Description
TRUEevaluated 2 times by 1 test
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FALSEnever evaluated
0-2
152 return new QQuickOpenGLInfo(item);
executed 2 times by 1 test: return new QQuickOpenGLInfo(item);
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153 return nullptr;
never executed: return nullptr;
0
154}-
155-
156void QQuickOpenGLInfo::updateFormat()-
157{-
158 QOpenGLContext *context = nullptr;-
159 if (m_window)
m_windowDescription
TRUEevaluated 2 times by 1 test
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FALSEevaluated 4 times by 1 test
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160 context = m_window->openglContext();
executed 2 times by 1 test: context = m_window->openglContext();
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161 QSurfaceFormat format = context ? context->format() : QSurfaceFormat::defaultFormat();
contextDescription
TRUEnever evaluated
FALSEevaluated 6 times by 1 test
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162-
163 if (m_majorVersion != format.majorVersion()) {
m_majorVersion...majorVersion()Description
TRUEnever evaluated
FALSEevaluated 6 times by 1 test
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164 m_majorVersion = format.majorVersion();-
165 emit majorVersionChanged();-
166 }
never executed: end of block
0
167-
168 if (m_minorVersion != format.minorVersion()) {
m_minorVersion...minorVersion()Description
TRUEnever evaluated
FALSEevaluated 6 times by 1 test
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169 m_minorVersion = format.minorVersion();-
170 emit minorVersionChanged();-
171 }
never executed: end of block
0
172-
173 ContextProfile profile = static_cast<ContextProfile>(format.profile());-
174 if (m_profile != profile) {
m_profile != profileDescription
TRUEnever evaluated
FALSEevaluated 6 times by 1 test
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175 m_profile = profile;-
176 emit profileChanged();-
177 }
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0
178-
179 RenderableType renderableType = static_cast<RenderableType>(format.renderableType());-
180 if (m_renderableType != renderableType) {
m_renderableTy...renderableTypeDescription
TRUEnever evaluated
FALSEevaluated 6 times by 1 test
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181 m_renderableType = renderableType;-
182 emit renderableTypeChanged();-
183 }
never executed: end of block
0
184}
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185-
186void QQuickOpenGLInfo::setWindow(QQuickWindow *window)-
187{-
188 if (m_window != window) {
m_window != windowDescription
TRUEevaluated 4 times by 1 test
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FALSEevaluated 2 times by 1 test
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189 if (m_window) {
m_windowDescription
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FALSEevaluated 2 times by 1 test
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190 disconnect(m_window, SIGNAL(sceneGraphInitialized()), this, SLOT(updateFormat()));-
191 disconnect(m_window, SIGNAL(sceneGraphInvalidated()), this, SLOT(updateFormat()));-
192 }
executed 2 times by 1 test: end of block
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193 if (window) {
windowDescription
TRUEevaluated 2 times by 1 test
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FALSEevaluated 2 times by 1 test
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194 connect(window, SIGNAL(sceneGraphInitialized()), this, SLOT(updateFormat()));-
195 connect(window, SIGNAL(sceneGraphInvalidated()), this, SLOT(updateFormat()));-
196 }
executed 2 times by 1 test: end of block
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197 m_window = window;-
198 }
executed 4 times by 1 test: end of block
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199 updateFormat();-
200}
executed 6 times by 1 test: end of block
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201-
202QT_END_NAMESPACE-
203-
204#include "moc_qquickopenglinfo_p.cpp"-
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