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48
49#include "qopenglfunctions_3_3_core.h"
50#include "qopenglcontext.h"
51
52QT_BEGIN_NAMESPACE
53
54/*!
55 \class QOpenGLFunctions_3_3_Core
56 \inmodule QtGui
57 \since 5.1
58 \wrapper
59 \brief The QOpenGLFunctions_3_3_Core class provides all functions for OpenGL 3.3 core profile.
60
61 This class is a wrapper for functions from OpenGL 3.3 core profile.
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_3_3_Core::QOpenGLFunctions_3_3_Core()
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_4_Core(nullptr)
75 , d_1_5_Core(nullptr)
76 , d_2_0_Core(nullptr)
77 , d_2_1_Core(nullptr)
78 , d_3_0_Core(nullptr)
79 , d_3_1_Core(nullptr)
80 , d_3_2_Core(nullptr)
81 , d_3_3_Core(nullptr)
82{
83}
84
85QOpenGLFunctions_3_3_Core::~QOpenGLFunctions_3_3_Core()
86{
87 if (d_1_0_Core) {
88 d_1_0_Core->refs.deref();
89 Q_ASSERT(d_1_0_Core->refs.loadRelaxed());
90 }
91 if (d_1_1_Core) {
92 d_1_1_Core->refs.deref();
93 Q_ASSERT(d_1_1_Core->refs.loadRelaxed());
94 }
95 if (d_1_2_Core) {
96 d_1_2_Core->refs.deref();
97 Q_ASSERT(d_1_2_Core->refs.loadRelaxed());
98 }
99 if (d_1_3_Core) {
100 d_1_3_Core->refs.deref();
101 Q_ASSERT(d_1_3_Core->refs.loadRelaxed());
102 }
103 if (d_1_4_Core) {
104 d_1_4_Core->refs.deref();
105 Q_ASSERT(d_1_4_Core->refs.loadRelaxed());
106 }
107 if (d_1_5_Core) {
108 d_1_5_Core->refs.deref();
109 Q_ASSERT(d_1_5_Core->refs.loadRelaxed());
110 }
111 if (d_2_0_Core) {
112 d_2_0_Core->refs.deref();
113 Q_ASSERT(d_2_0_Core->refs.loadRelaxed());
114 }
115 if (d_2_1_Core) {
116 d_2_1_Core->refs.deref();
117 Q_ASSERT(d_2_1_Core->refs.loadRelaxed());
118 }
119 if (d_3_0_Core) {
120 d_3_0_Core->refs.deref();
121 Q_ASSERT(d_3_0_Core->refs.loadRelaxed());
122 }
123 if (d_3_1_Core) {
124 d_3_1_Core->refs.deref();
125 Q_ASSERT(d_3_1_Core->refs.loadRelaxed());
126 }
127 if (d_3_2_Core) {
128 d_3_2_Core->refs.deref();
129 Q_ASSERT(d_3_2_Core->refs.loadRelaxed());
130 }
131 if (d_3_3_Core) {
132 d_3_3_Core->refs.deref();
133 Q_ASSERT(d_3_3_Core->refs.loadRelaxed());
134 }
135}
136
137bool QOpenGLFunctions_3_3_Core::initializeOpenGLFunctions()
138{
139 if ( isInitialized() )
140 return true;
141
142 QOpenGLContext* context = QOpenGLContext::currentContext();
143
144 // If owned by a context object make sure it is current.
145 // Also check that current context is capable of resolving all needed functions
146 if (((owningContext() && owningContext() == context) || !owningContext())
147 && QOpenGLFunctions_3_3_Core::isContextCompatible(context))
148 {
149 // Associate with private implementation, creating if necessary
150 // Function pointers in the backends are resolved at creation time
151 QOpenGLVersionFunctionsBackend* d = nullptr;
152 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_0_CoreBackend::versionStatus());
153 d_1_0_Core = static_cast<QOpenGLFunctions_1_0_CoreBackend*>(d);
154 d->refs.ref();
155
156 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_1_CoreBackend::versionStatus());
157 d_1_1_Core = static_cast<QOpenGLFunctions_1_1_CoreBackend*>(d);
158 d->refs.ref();
159
160 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_2_CoreBackend::versionStatus());
161 d_1_2_Core = static_cast<QOpenGLFunctions_1_2_CoreBackend*>(d);
162 d->refs.ref();
163
164 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_3_CoreBackend::versionStatus());
165 d_1_3_Core = static_cast<QOpenGLFunctions_1_3_CoreBackend*>(d);
166 d->refs.ref();
167
168 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_4_CoreBackend::versionStatus());
169 d_1_4_Core = static_cast<QOpenGLFunctions_1_4_CoreBackend*>(d);
170 d->refs.ref();
171
172 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_5_CoreBackend::versionStatus());
173 d_1_5_Core = static_cast<QOpenGLFunctions_1_5_CoreBackend*>(d);
174 d->refs.ref();
175
176 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_2_0_CoreBackend::versionStatus());
177 d_2_0_Core = static_cast<QOpenGLFunctions_2_0_CoreBackend*>(d);
178 d->refs.ref();
179
180 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_2_1_CoreBackend::versionStatus());
181 d_2_1_Core = static_cast<QOpenGLFunctions_2_1_CoreBackend*>(d);
182 d->refs.ref();
183
184 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_3_0_CoreBackend::versionStatus());
185 d_3_0_Core = static_cast<QOpenGLFunctions_3_0_CoreBackend*>(d);
186 d->refs.ref();
187
188 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_3_1_CoreBackend::versionStatus());
189 d_3_1_Core = static_cast<QOpenGLFunctions_3_1_CoreBackend*>(d);
190 d->refs.ref();
191
192 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_3_2_CoreBackend::versionStatus());
193 d_3_2_Core = static_cast<QOpenGLFunctions_3_2_CoreBackend*>(d);
194 d->refs.ref();
195
196 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_3_3_CoreBackend::versionStatus());
197 d_3_3_Core = static_cast<QOpenGLFunctions_3_3_CoreBackend*>(d);
198 d->refs.ref();
199
200 QAbstractOpenGLFunctions::initializeOpenGLFunctions();
201 }
202 return isInitialized();
203}
204
205bool QOpenGLFunctions_3_3_Core::isContextCompatible(QOpenGLContext *context)
206{
207 Q_ASSERT(context);
208 QSurfaceFormat f = context->format();
209 const QPair<int, int> v = qMakePair(x: f.majorVersion(), y: f.minorVersion());
210 if (v < qMakePair(x: 3, y: 3))
211 return false;
212
213 return true;
214}
215
216QOpenGLVersionProfile QOpenGLFunctions_3_3_Core::versionProfile()
217{
218 QOpenGLVersionProfile v;
219 v.setVersion(majorVersion: 3, minorVersion: 3);
220 v.setProfile(QSurfaceFormat::CoreProfile);
221 return v;
222}
223
224QT_END_NAMESPACE
225

source code of qtbase/src/gui/opengl/qopenglfunctions_3_3_core.cpp