qglfunctions.cpp

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1-
2-
3struct QGLFunctionsPrivateEx : public QGLFunctionsPrivate, public QOpenGLSharedResource-
4{-
5 QGLFunctionsPrivateEx(QOpenGLContext *context)-
6 : QGLFunctionsPrivate(QGLContext::fromOpenGLContext(context))-
7 , QOpenGLSharedResource(context->shareGroup())-
8 , m_features(-1)-
9 {-
10 funcs = new QOpenGLFunctions(context);-
11 funcs->initializeOpenGLFunctions();-
12 }
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13-
14 ~QGLFunctionsPrivateEx()-
15 {-
16 delete funcs;-
17 }
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18-
19 void invalidateResource() override-
20 {-
21 m_features = -1;-
22 }
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23-
24 void freeResource(QOpenGLContext *) override-
25 {-
26-
27 }-
28-
29 int m_features;-
30};-
31-
32namespace { namespace Q_QGS_qt_gl_functions_resource { typedef QOpenGLMultiGroupSharedResource Type; QBasicAtomicInt guard = { QtGlobalStatic::Uninitialized }; __attribute__((visibility("hidden"))) inline Type *innerFunction() { struct HolderBase { ~HolderBase() noexcept { if (guard.load() == QtGlobalStatic::Initialized
guard.load() =...c::InitializedDescription
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) guard.store(QtGlobalStatic::Destroyed);
executed 2 times by 2 tests: guard.store(QtGlobalStatic::Destroyed);
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 }
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 }; static struct Holder : public HolderBase { Type value; Holder() noexcept(noexcept(Type ())) : value () { guard.store(QtGlobalStatic::Initialized); } } holder; return
executed 3 times by 2 tests: return &holder.value;
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 &holder.value;
executed 3 times by 2 tests: return &holder.value;
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 } } } static QGlobalStatic<QOpenGLMultiGroupSharedResource, Q_QGS_qt_gl_functions_resource::innerFunction, Q_QGS_qt_gl_functions_resource::guard> qt_gl_functions_resource;		0-3
33-
34static QGLFunctionsPrivateEx *qt_gl_functions(const QGLContext *context = 0)-
35{-
36 if (!context
!contextDescription
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37 context = QGLContext::currentContext();
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38 ((!(context)) ? qt_assert("context",__FILE__,181) : qt_noop());-
39 QGLFunctionsPrivateEx *funcs =-
40 reinterpret_cast<QGLFunctionsPrivateEx *>-
41 (qt_gl_functions_resource()->value<QGLFunctionsPrivateEx>(context->contextHandle()));-
42 return
executed 3 times by 2 tests: return funcs;
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 funcs;
executed 3 times by 2 tests: return funcs;
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43}-
44QGLFunctions::QGLFunctions()-
45 : d_ptr(0)-
46{-
47}
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48QGLFunctions::QGLFunctions(const QGLContext *context)-
49 : d_ptr(qt_gl_functions(context))-
50{-
51}
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52-
53-
54-
55-
56-
57-
58-
59static int qt_gl_resolve_features()-
60{-
61 QOpenGLContext *ctx = QOpenGLContext::currentContext();-
62 if (ctx->isOpenGLES()
ctx->isOpenGLES()Description
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) {		0-1
63-
64 int features = QGLFunctions::Multitexture |-
65 QGLFunctions::Shaders |-
66 QGLFunctions::Buffers |-
67 QGLFunctions::Framebuffers |-
68 QGLFunctions::BlendColor |-
69 QGLFunctions::BlendEquation |-
70 QGLFunctions::BlendEquationSeparate |-
71 QGLFunctions::BlendFuncSeparate |-
72 QGLFunctions::BlendSubtract |-
73 QGLFunctions::CompressedTextures |-
74 QGLFunctions::Multisample |-
75 QGLFunctions::StencilSeparate;-
76 QOpenGLExtensionMatcher extensions;-
77 if (extensions.match("GL_OES_texture_npot")
extensions.mat...texture_npot")Description
TRUEnever evaluated
FALSEnever evaluated
)		0
78 features |= QGLFunctions::NPOTTextures;
never executed: features |= QGLFunctions::NPOTTextures;
0
79 if (extensions.match("GL_IMG_texture_npot")
extensions.mat...texture_npot")Description
TRUEnever evaluated
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)		0
80 features |= QGLFunctions::NPOTTextures;
never executed: features |= QGLFunctions::NPOTTextures;
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81 return
never executed: return features;
 features;
never executed: return features;
0
82 } else {-
83-
84 int features = 0;-
85 QGLFormat::OpenGLVersionFlags versions = QGLFormat::openGLVersionFlags();-
86 QOpenGLExtensionMatcher extensions;-
87-
88-
89 if (extensions.match("GL_ARB_multitexture")
extensions.mat...multitexture")Description
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90 features |= QGLFunctions::Multitexture;
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91 if (extensions.match("GL_ARB_shader_objects")
extensions.mat...ader_objects")Description
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92 features |= QGLFunctions::Shaders;
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93 if (extensions.match("GL_EXT_framebuffer_object")
extensions.mat...uffer_object")Description
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 ||		0-1
94 extensions.match("GL_ARB_framebuffer_object")
extensions.mat...uffer_object")Description
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95 features |= QGLFunctions::Framebuffers;
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96 if (extensions.match("GL_EXT_blend_color")
extensions.mat..._blend_color")Description
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97 features |= QGLFunctions::BlendColor;
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98 if (extensions.match("GL_EXT_blend_equation_separate")
extensions.mat...ion_separate")Description
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99 features |= QGLFunctions::BlendEquationSeparate;
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100 if (extensions.match("GL_EXT_blend_func_separate")
extensions.mat...unc_separate")Description
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101 features |= QGLFunctions::BlendFuncSeparate;
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102 if (extensions.match("GL_EXT_blend_subtract")
extensions.mat...end_subtract")Description
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103 features |= QGLFunctions::BlendSubtract;
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104 if (extensions.match("GL_ARB_texture_compression")
extensions.mat..._compression")Description
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105 features |= QGLFunctions::CompressedTextures;
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106 if (extensions.match("GL_ARB_multisample")
extensions.mat..._multisample")Description
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107 features |= QGLFunctions::Multisample;
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108 if (extensions.match("GL_ARB_texture_non_power_of_two")
extensions.mat...power_of_two")Description
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109 features |= QGLFunctions::NPOTTextures;
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110-
111-
112 if (versions & QGLFormat::OpenGL_Version_1_2
versions & QGL...GL_Version_1_2Description
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) {		0-1
113 features |= QGLFunctions::BlendColor |-
114 QGLFunctions::BlendEquation;-
115 }
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116 if (versions & QGLFormat::OpenGL_Version_1_3
versions & QGL...GL_Version_1_3Description
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117 features |= QGLFunctions::Multitexture |-
118 QGLFunctions::CompressedTextures |-
119 QGLFunctions::Multisample;-
120 }
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121 if (versions & QGLFormat::OpenGL_Version_1_4
versions & QGL...GL_Version_1_4Description
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122 features |= QGLFunctions::BlendFuncSeparate;
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123 if (versions & QGLFormat::OpenGL_Version_1_5
versions & QGL...GL_Version_1_5Description
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124 features |= QGLFunctions::Buffers;
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125 if (versions & QGLFormat::OpenGL_Version_2_0
versions & QGL...GL_Version_2_0Description
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126 features |= QGLFunctions::Shaders |-
127 QGLFunctions::StencilSeparate |-
128 QGLFunctions::BlendEquationSeparate |-
129 QGLFunctions::NPOTTextures;-
130 }
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131 return
executed 1 time by 1 test: return features;
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 features;
executed 1 time by 1 test: return features;
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132 }-
133}-
134QGLFunctions::OpenGLFeatures QGLFunctions::openGLFeatures() const-
135{-
136 QGLFunctionsPrivateEx *d = static_cast<QGLFunctionsPrivateEx *>(d_ptr);-
137 if (!d
!dDescription
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138 return
executed 1 time by 1 test: return 0;
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 0;
executed 1 time by 1 test: return 0;
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139 if (d->m_features == -1
d->m_features == -1Description
TRUEnever evaluated
FALSEnever evaluated
)		0
140 d->m_features = qt_gl_resolve_features();
never executed: d->m_features = qt_gl_resolve_features();
0
141 return
never executed: return QGLFunctions::OpenGLFeatures(d->m_features);
 QGLFunctions::OpenGLFeatures(d->m_features);
never executed: return QGLFunctions::OpenGLFeatures(d->m_features);
0
142}-
143bool QGLFunctions::hasOpenGLFeature(QGLFunctions::OpenGLFeature feature) const-
144{-
145 QGLFunctionsPrivateEx *d = static_cast<QGLFunctionsPrivateEx *>(d_ptr);-
146 if (!d
!dDescription
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147 return
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 false;
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148 if (d->m_features == -1
d->m_features == -1Description
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149 d->m_features = qt_gl_resolve_features();
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150 return
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 (d->m_features & int(feature)) != 0;
executed 13 times by 1 test: return (d->m_features & int(feature)) != 0;
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151}-
152void QGLFunctions::initializeGLFunctions(const QGLContext *context)-
153{-
154 d_ptr = qt_gl_functions(context);-
155}
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156QGLFunctionsPrivate::QGLFunctionsPrivate(const QGLContext *)-
157 : funcs(0)-
158{-
159}
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161-
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