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48
49#include "qopenglfunctions_1_3.h"
50#include "qopenglcontext.h"
51
52QT_BEGIN_NAMESPACE
53
54/*!
55 \class QOpenGLFunctions_1_3
56 \inmodule QtGui
57 \since 5.1
58 \wrapper
59 \brief The QOpenGLFunctions_1_3 class provides all functions for OpenGL 1.3 specification.
60
61 This class is a wrapper for functions from OpenGL 1.3 specification.
62 See reference pages on \l {http://www.opengl.org/sdk/docs/}{opengl.org}
63 for function documentation.
64
65 \sa QAbstractOpenGLFunctions
66*/
67
68QOpenGLFunctions_1_3::QOpenGLFunctions_1_3()
69 : QAbstractOpenGLFunctions()
70 , d_1_0_Core(nullptr)
71 , d_1_1_Core(nullptr)
72 , d_1_2_Core(nullptr)
73 , d_1_3_Core(nullptr)
74 , d_1_0_Deprecated(nullptr)
75 , d_1_1_Deprecated(nullptr)
76 , d_1_2_Deprecated(nullptr)
77 , d_1_3_Deprecated(nullptr)
78{
79}
80
81QOpenGLFunctions_1_3::~QOpenGLFunctions_1_3()
82{
83 if (d_1_0_Core) {
84 d_1_0_Core->refs.deref();
85 Q_ASSERT(d_1_0_Core->refs.loadRelaxed());
86 }
87 if (d_1_1_Core) {
88 d_1_1_Core->refs.deref();
89 Q_ASSERT(d_1_1_Core->refs.loadRelaxed());
90 }
91 if (d_1_2_Core) {
92 d_1_2_Core->refs.deref();
93 Q_ASSERT(d_1_2_Core->refs.loadRelaxed());
94 }
95 if (d_1_3_Core) {
96 d_1_3_Core->refs.deref();
97 Q_ASSERT(d_1_3_Core->refs.loadRelaxed());
98 }
99 if (d_1_0_Deprecated) {
100 d_1_0_Deprecated->refs.deref();
101 Q_ASSERT(d_1_0_Deprecated->refs.loadRelaxed());
102 }
103 if (d_1_1_Deprecated) {
104 d_1_1_Deprecated->refs.deref();
105 Q_ASSERT(d_1_1_Deprecated->refs.loadRelaxed());
106 }
107 if (d_1_2_Deprecated) {
108 d_1_2_Deprecated->refs.deref();
109 Q_ASSERT(d_1_2_Deprecated->refs.loadRelaxed());
110 }
111 if (d_1_3_Deprecated) {
112 d_1_3_Deprecated->refs.deref();
113 Q_ASSERT(d_1_3_Deprecated->refs.loadRelaxed());
114 }
115}
116
117bool QOpenGLFunctions_1_3::initializeOpenGLFunctions()
118{
119 if ( isInitialized() )
120 return true;
121
122 QOpenGLContext* context = QOpenGLContext::currentContext();
123
124 // If owned by a context object make sure it is current.
125 // Also check that current context is capable of resolving all needed functions
126 if (((owningContext() && owningContext() == context) || !owningContext())
127 && QOpenGLFunctions_1_3::isContextCompatible(context))
128 {
129 // Associate with private implementation, creating if necessary
130 // Function pointers in the backends are resolved at creation time
131 QOpenGLVersionFunctionsBackend* d = nullptr;
132 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_0_CoreBackend::versionStatus());
133 d_1_0_Core = static_cast<QOpenGLFunctions_1_0_CoreBackend*>(d);
134 d->refs.ref();
135
136 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_1_CoreBackend::versionStatus());
137 d_1_1_Core = static_cast<QOpenGLFunctions_1_1_CoreBackend*>(d);
138 d->refs.ref();
139
140 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_2_CoreBackend::versionStatus());
141 d_1_2_Core = static_cast<QOpenGLFunctions_1_2_CoreBackend*>(d);
142 d->refs.ref();
143
144 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_3_CoreBackend::versionStatus());
145 d_1_3_Core = static_cast<QOpenGLFunctions_1_3_CoreBackend*>(d);
146 d->refs.ref();
147
148 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_0_DeprecatedBackend::versionStatus());
149 d_1_0_Deprecated = static_cast<QOpenGLFunctions_1_0_DeprecatedBackend*>(d);
150 d->refs.ref();
151
152 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_1_DeprecatedBackend::versionStatus());
153 d_1_1_Deprecated = static_cast<QOpenGLFunctions_1_1_DeprecatedBackend*>(d);
154 d->refs.ref();
155
156 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_2_DeprecatedBackend::versionStatus());
157 d_1_2_Deprecated = static_cast<QOpenGLFunctions_1_2_DeprecatedBackend*>(d);
158 d->refs.ref();
159
160 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_3_DeprecatedBackend::versionStatus());
161 d_1_3_Deprecated = static_cast<QOpenGLFunctions_1_3_DeprecatedBackend*>(d);
162 d->refs.ref();
163
164 QAbstractOpenGLFunctions::initializeOpenGLFunctions();
165 }
166 return isInitialized();
167}
168
169bool QOpenGLFunctions_1_3::isContextCompatible(QOpenGLContext *context)
170{
171 Q_ASSERT(context);
172 QSurfaceFormat f = context->format();
173 const QPair<int, int> v = qMakePair(x: f.majorVersion(), y: f.minorVersion());
174 if (v < qMakePair(x: 1, y: 3))
175 return false;
176
177 if (f.profile() == QSurfaceFormat::CoreProfile)
178 return false;
179
180 return true;
181}
182
183QOpenGLVersionProfile QOpenGLFunctions_1_3::versionProfile()
184{
185 QOpenGLVersionProfile v;
186 v.setVersion(majorVersion: 1, minorVersion: 3);
187 return v;
188}
189
190QT_END_NAMESPACE
191

source code of qtbase/src/gui/opengl/qopenglfunctions_1_3.cpp