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48
49#include "qopenglfunctions_3_3_compatibility.h"
50#include "qopenglcontext.h"
51
52QT_BEGIN_NAMESPACE
53
54/*!
55 \class QOpenGLFunctions_3_3_Compatibility
56 \inmodule QtGui
57 \since 5.1
58 \wrapper
59 \brief The QOpenGLFunctions_3_3_Compatibility class provides all functions for OpenGL 3.3 compatibility profile.
60
61 This class is a wrapper for functions from OpenGL 3.3 compatibility 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_Compatibility::QOpenGLFunctions_3_3_Compatibility()
69 : QAbstractOpenGLFunctions()
70 , d_1_0_Core(0)
71 , d_1_1_Core(0)
72 , d_1_2_Core(0)
73 , d_1_3_Core(0)
74 , d_1_4_Core(0)
75 , d_1_5_Core(0)
76 , d_2_0_Core(0)
77 , d_2_1_Core(0)
78 , d_3_0_Core(0)
79 , d_3_1_Core(0)
80 , d_3_2_Core(0)
81 , d_3_3_Core(0)
82 , d_1_0_Deprecated(0)
83 , d_1_1_Deprecated(0)
84 , d_1_2_Deprecated(0)
85 , d_1_3_Deprecated(0)
86 , d_1_4_Deprecated(0)
87 , m_reserved_2_0_Deprecated(nullptr)
88 , d_3_3_Deprecated(0)
89{
90}
91
92QOpenGLFunctions_3_3_Compatibility::~QOpenGLFunctions_3_3_Compatibility()
93{
94 if (d_1_0_Core) {
95 d_1_0_Core->refs.deref();
96 Q_ASSERT(d_1_0_Core->refs.loadRelaxed());
97 }
98 if (d_1_1_Core) {
99 d_1_1_Core->refs.deref();
100 Q_ASSERT(d_1_1_Core->refs.loadRelaxed());
101 }
102 if (d_1_2_Core) {
103 d_1_2_Core->refs.deref();
104 Q_ASSERT(d_1_2_Core->refs.loadRelaxed());
105 }
106 if (d_1_3_Core) {
107 d_1_3_Core->refs.deref();
108 Q_ASSERT(d_1_3_Core->refs.loadRelaxed());
109 }
110 if (d_1_4_Core) {
111 d_1_4_Core->refs.deref();
112 Q_ASSERT(d_1_4_Core->refs.loadRelaxed());
113 }
114 if (d_1_5_Core) {
115 d_1_5_Core->refs.deref();
116 Q_ASSERT(d_1_5_Core->refs.loadRelaxed());
117 }
118 if (d_2_0_Core) {
119 d_2_0_Core->refs.deref();
120 Q_ASSERT(d_2_0_Core->refs.loadRelaxed());
121 }
122 if (d_2_1_Core) {
123 d_2_1_Core->refs.deref();
124 Q_ASSERT(d_2_1_Core->refs.loadRelaxed());
125 }
126 if (d_3_0_Core) {
127 d_3_0_Core->refs.deref();
128 Q_ASSERT(d_3_0_Core->refs.loadRelaxed());
129 }
130 if (d_3_1_Core) {
131 d_3_1_Core->refs.deref();
132 Q_ASSERT(d_3_1_Core->refs.loadRelaxed());
133 }
134 if (d_3_2_Core) {
135 d_3_2_Core->refs.deref();
136 Q_ASSERT(d_3_2_Core->refs.loadRelaxed());
137 }
138 if (d_3_3_Core) {
139 d_3_3_Core->refs.deref();
140 Q_ASSERT(d_3_3_Core->refs.loadRelaxed());
141 }
142 if (d_1_0_Deprecated) {
143 d_1_0_Deprecated->refs.deref();
144 Q_ASSERT(d_1_0_Deprecated->refs.loadRelaxed());
145 }
146 if (d_1_1_Deprecated) {
147 d_1_1_Deprecated->refs.deref();
148 Q_ASSERT(d_1_1_Deprecated->refs.loadRelaxed());
149 }
150 if (d_1_2_Deprecated) {
151 d_1_2_Deprecated->refs.deref();
152 Q_ASSERT(d_1_2_Deprecated->refs.loadRelaxed());
153 }
154 if (d_1_3_Deprecated) {
155 d_1_3_Deprecated->refs.deref();
156 Q_ASSERT(d_1_3_Deprecated->refs.loadRelaxed());
157 }
158 if (d_1_4_Deprecated) {
159 d_1_4_Deprecated->refs.deref();
160 Q_ASSERT(d_1_4_Deprecated->refs.loadRelaxed());
161 }
162 if (d_3_3_Deprecated) {
163 d_3_3_Deprecated->refs.deref();
164 Q_ASSERT(d_3_3_Deprecated->refs.loadRelaxed());
165 }
166}
167
168bool QOpenGLFunctions_3_3_Compatibility::initializeOpenGLFunctions()
169{
170 if ( isInitialized() )
171 return true;
172
173 QOpenGLContext* context = QOpenGLContext::currentContext();
174
175 // If owned by a context object make sure it is current.
176 // Also check that current context is capable of resolving all needed functions
177 if (((owningContext() && owningContext() == context) || !owningContext())
178 && QOpenGLFunctions_3_3_Compatibility::isContextCompatible(context))
179 {
180 // Associate with private implementation, creating if necessary
181 // Function pointers in the backends are resolved at creation time
182 QOpenGLVersionFunctionsBackend* d = 0;
183 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_0_CoreBackend::versionStatus());
184 d_1_0_Core = static_cast<QOpenGLFunctions_1_0_CoreBackend*>(d);
185 d->refs.ref();
186
187 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_1_CoreBackend::versionStatus());
188 d_1_1_Core = static_cast<QOpenGLFunctions_1_1_CoreBackend*>(d);
189 d->refs.ref();
190
191 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_2_CoreBackend::versionStatus());
192 d_1_2_Core = static_cast<QOpenGLFunctions_1_2_CoreBackend*>(d);
193 d->refs.ref();
194
195 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_3_CoreBackend::versionStatus());
196 d_1_3_Core = static_cast<QOpenGLFunctions_1_3_CoreBackend*>(d);
197 d->refs.ref();
198
199 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_4_CoreBackend::versionStatus());
200 d_1_4_Core = static_cast<QOpenGLFunctions_1_4_CoreBackend*>(d);
201 d->refs.ref();
202
203 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_5_CoreBackend::versionStatus());
204 d_1_5_Core = static_cast<QOpenGLFunctions_1_5_CoreBackend*>(d);
205 d->refs.ref();
206
207 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_2_0_CoreBackend::versionStatus());
208 d_2_0_Core = static_cast<QOpenGLFunctions_2_0_CoreBackend*>(d);
209 d->refs.ref();
210
211 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_2_1_CoreBackend::versionStatus());
212 d_2_1_Core = static_cast<QOpenGLFunctions_2_1_CoreBackend*>(d);
213 d->refs.ref();
214
215 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_3_0_CoreBackend::versionStatus());
216 d_3_0_Core = static_cast<QOpenGLFunctions_3_0_CoreBackend*>(d);
217 d->refs.ref();
218
219 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_3_1_CoreBackend::versionStatus());
220 d_3_1_Core = static_cast<QOpenGLFunctions_3_1_CoreBackend*>(d);
221 d->refs.ref();
222
223 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_3_2_CoreBackend::versionStatus());
224 d_3_2_Core = static_cast<QOpenGLFunctions_3_2_CoreBackend*>(d);
225 d->refs.ref();
226
227 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_3_3_CoreBackend::versionStatus());
228 d_3_3_Core = static_cast<QOpenGLFunctions_3_3_CoreBackend*>(d);
229 d->refs.ref();
230
231 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_0_DeprecatedBackend::versionStatus());
232 d_1_0_Deprecated = static_cast<QOpenGLFunctions_1_0_DeprecatedBackend*>(d);
233 d->refs.ref();
234
235 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_1_DeprecatedBackend::versionStatus());
236 d_1_1_Deprecated = static_cast<QOpenGLFunctions_1_1_DeprecatedBackend*>(d);
237 d->refs.ref();
238
239 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_2_DeprecatedBackend::versionStatus());
240 d_1_2_Deprecated = static_cast<QOpenGLFunctions_1_2_DeprecatedBackend*>(d);
241 d->refs.ref();
242
243 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_3_DeprecatedBackend::versionStatus());
244 d_1_3_Deprecated = static_cast<QOpenGLFunctions_1_3_DeprecatedBackend*>(d);
245 d->refs.ref();
246
247 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_4_DeprecatedBackend::versionStatus());
248 d_1_4_Deprecated = static_cast<QOpenGLFunctions_1_4_DeprecatedBackend*>(d);
249 d->refs.ref();
250
251 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_3_3_DeprecatedBackend::versionStatus());
252 d_3_3_Deprecated = static_cast<QOpenGLFunctions_3_3_DeprecatedBackend*>(d);
253 d->refs.ref();
254
255 QAbstractOpenGLFunctions::initializeOpenGLFunctions();
256 }
257 return isInitialized();
258}
259
260bool QOpenGLFunctions_3_3_Compatibility::isContextCompatible(QOpenGLContext *context)
261{
262 Q_ASSERT(context);
263 QSurfaceFormat f = context->format();
264 const QPair<int, int> v = qMakePair(f.majorVersion(), f.minorVersion());
265 if (v < qMakePair(3, 3))
266 return false;
267
268 if (f.profile() == QSurfaceFormat::CoreProfile)
269 return false;
270
271 return true;
272}
273
274QOpenGLVersionProfile QOpenGLFunctions_3_3_Compatibility::versionProfile()
275{
276 QOpenGLVersionProfile v;
277 v.setVersion(3, 3);
278 v.setProfile(QSurfaceFormat::CompatibilityProfile);
279 return v;
280}
281
282QT_END_NAMESPACE
283