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48
49#include "qopenglfunctions_4_1_compatibility.h"
50#include "qopenglcontext.h"
51
52QT_BEGIN_NAMESPACE
53
54/*!
55 \class QOpenGLFunctions_4_1_Compatibility
56 \inmodule QtGui
57 \since 5.1
58 \wrapper
59 \brief The QOpenGLFunctions_4_1_Compatibility class provides all functions for OpenGL 4.1 compatibility profile.
60
61 This class is a wrapper for functions from OpenGL 4.1 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_4_1_Compatibility::QOpenGLFunctions_4_1_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_4_0_Core(0)
83 , d_4_1_Core(0)
84 , d_1_0_Deprecated(0)
85 , d_1_1_Deprecated(0)
86 , d_1_2_Deprecated(0)
87 , d_1_3_Deprecated(0)
88 , d_1_4_Deprecated(0)
89 , m_reserved_2_0_Deprecated(nullptr)
90 , d_3_3_Deprecated(0)
91{
92}
93
94QOpenGLFunctions_4_1_Compatibility::~QOpenGLFunctions_4_1_Compatibility()
95{
96 if (d_1_0_Core) {
97 d_1_0_Core->refs.deref();
98 Q_ASSERT(d_1_0_Core->refs.loadRelaxed());
99 }
100 if (d_1_1_Core) {
101 d_1_1_Core->refs.deref();
102 Q_ASSERT(d_1_1_Core->refs.loadRelaxed());
103 }
104 if (d_1_2_Core) {
105 d_1_2_Core->refs.deref();
106 Q_ASSERT(d_1_2_Core->refs.loadRelaxed());
107 }
108 if (d_1_3_Core) {
109 d_1_3_Core->refs.deref();
110 Q_ASSERT(d_1_3_Core->refs.loadRelaxed());
111 }
112 if (d_1_4_Core) {
113 d_1_4_Core->refs.deref();
114 Q_ASSERT(d_1_4_Core->refs.loadRelaxed());
115 }
116 if (d_1_5_Core) {
117 d_1_5_Core->refs.deref();
118 Q_ASSERT(d_1_5_Core->refs.loadRelaxed());
119 }
120 if (d_2_0_Core) {
121 d_2_0_Core->refs.deref();
122 Q_ASSERT(d_2_0_Core->refs.loadRelaxed());
123 }
124 if (d_2_1_Core) {
125 d_2_1_Core->refs.deref();
126 Q_ASSERT(d_2_1_Core->refs.loadRelaxed());
127 }
128 if (d_3_0_Core) {
129 d_3_0_Core->refs.deref();
130 Q_ASSERT(d_3_0_Core->refs.loadRelaxed());
131 }
132 if (d_3_1_Core) {
133 d_3_1_Core->refs.deref();
134 Q_ASSERT(d_3_1_Core->refs.loadRelaxed());
135 }
136 if (d_3_2_Core) {
137 d_3_2_Core->refs.deref();
138 Q_ASSERT(d_3_2_Core->refs.loadRelaxed());
139 }
140 if (d_3_3_Core) {
141 d_3_3_Core->refs.deref();
142 Q_ASSERT(d_3_3_Core->refs.loadRelaxed());
143 }
144 if (d_4_0_Core) {
145 d_4_0_Core->refs.deref();
146 Q_ASSERT(d_4_0_Core->refs.loadRelaxed());
147 }
148 if (d_4_1_Core) {
149 d_4_1_Core->refs.deref();
150 Q_ASSERT(d_4_1_Core->refs.loadRelaxed());
151 }
152 if (d_1_0_Deprecated) {
153 d_1_0_Deprecated->refs.deref();
154 Q_ASSERT(d_1_0_Deprecated->refs.loadRelaxed());
155 }
156 if (d_1_1_Deprecated) {
157 d_1_1_Deprecated->refs.deref();
158 Q_ASSERT(d_1_1_Deprecated->refs.loadRelaxed());
159 }
160 if (d_1_2_Deprecated) {
161 d_1_2_Deprecated->refs.deref();
162 Q_ASSERT(d_1_2_Deprecated->refs.loadRelaxed());
163 }
164 if (d_1_3_Deprecated) {
165 d_1_3_Deprecated->refs.deref();
166 Q_ASSERT(d_1_3_Deprecated->refs.loadRelaxed());
167 }
168 if (d_1_4_Deprecated) {
169 d_1_4_Deprecated->refs.deref();
170 Q_ASSERT(d_1_4_Deprecated->refs.loadRelaxed());
171 }
172 if (d_3_3_Deprecated) {
173 d_3_3_Deprecated->refs.deref();
174 Q_ASSERT(d_3_3_Deprecated->refs.loadRelaxed());
175 }
176}
177
178bool QOpenGLFunctions_4_1_Compatibility::initializeOpenGLFunctions()
179{
180 if ( isInitialized() )
181 return true;
182
183 QOpenGLContext* context = QOpenGLContext::currentContext();
184
185 // If owned by a context object make sure it is current.
186 // Also check that current context is capable of resolving all needed functions
187 if (((owningContext() && owningContext() == context) || !owningContext())
188 && QOpenGLFunctions_4_1_Compatibility::isContextCompatible(context))
189 {
190 // Associate with private implementation, creating if necessary
191 // Function pointers in the backends are resolved at creation time
192 QOpenGLVersionFunctionsBackend* d = 0;
193 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_0_CoreBackend::versionStatus());
194 d_1_0_Core = static_cast<QOpenGLFunctions_1_0_CoreBackend*>(d);
195 d->refs.ref();
196
197 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_1_CoreBackend::versionStatus());
198 d_1_1_Core = static_cast<QOpenGLFunctions_1_1_CoreBackend*>(d);
199 d->refs.ref();
200
201 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_2_CoreBackend::versionStatus());
202 d_1_2_Core = static_cast<QOpenGLFunctions_1_2_CoreBackend*>(d);
203 d->refs.ref();
204
205 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_3_CoreBackend::versionStatus());
206 d_1_3_Core = static_cast<QOpenGLFunctions_1_3_CoreBackend*>(d);
207 d->refs.ref();
208
209 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_4_CoreBackend::versionStatus());
210 d_1_4_Core = static_cast<QOpenGLFunctions_1_4_CoreBackend*>(d);
211 d->refs.ref();
212
213 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_5_CoreBackend::versionStatus());
214 d_1_5_Core = static_cast<QOpenGLFunctions_1_5_CoreBackend*>(d);
215 d->refs.ref();
216
217 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_2_0_CoreBackend::versionStatus());
218 d_2_0_Core = static_cast<QOpenGLFunctions_2_0_CoreBackend*>(d);
219 d->refs.ref();
220
221 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_2_1_CoreBackend::versionStatus());
222 d_2_1_Core = static_cast<QOpenGLFunctions_2_1_CoreBackend*>(d);
223 d->refs.ref();
224
225 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_3_0_CoreBackend::versionStatus());
226 d_3_0_Core = static_cast<QOpenGLFunctions_3_0_CoreBackend*>(d);
227 d->refs.ref();
228
229 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_3_1_CoreBackend::versionStatus());
230 d_3_1_Core = static_cast<QOpenGLFunctions_3_1_CoreBackend*>(d);
231 d->refs.ref();
232
233 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_3_2_CoreBackend::versionStatus());
234 d_3_2_Core = static_cast<QOpenGLFunctions_3_2_CoreBackend*>(d);
235 d->refs.ref();
236
237 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_3_3_CoreBackend::versionStatus());
238 d_3_3_Core = static_cast<QOpenGLFunctions_3_3_CoreBackend*>(d);
239 d->refs.ref();
240
241 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_4_0_CoreBackend::versionStatus());
242 d_4_0_Core = static_cast<QOpenGLFunctions_4_0_CoreBackend*>(d);
243 d->refs.ref();
244
245 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_4_1_CoreBackend::versionStatus());
246 d_4_1_Core = static_cast<QOpenGLFunctions_4_1_CoreBackend*>(d);
247 d->refs.ref();
248
249 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_0_DeprecatedBackend::versionStatus());
250 d_1_0_Deprecated = static_cast<QOpenGLFunctions_1_0_DeprecatedBackend*>(d);
251 d->refs.ref();
252
253 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_1_DeprecatedBackend::versionStatus());
254 d_1_1_Deprecated = static_cast<QOpenGLFunctions_1_1_DeprecatedBackend*>(d);
255 d->refs.ref();
256
257 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_2_DeprecatedBackend::versionStatus());
258 d_1_2_Deprecated = static_cast<QOpenGLFunctions_1_2_DeprecatedBackend*>(d);
259 d->refs.ref();
260
261 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_3_DeprecatedBackend::versionStatus());
262 d_1_3_Deprecated = static_cast<QOpenGLFunctions_1_3_DeprecatedBackend*>(d);
263 d->refs.ref();
264
265 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_4_DeprecatedBackend::versionStatus());
266 d_1_4_Deprecated = static_cast<QOpenGLFunctions_1_4_DeprecatedBackend*>(d);
267 d->refs.ref();
268
269 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_3_3_DeprecatedBackend::versionStatus());
270 d_3_3_Deprecated = static_cast<QOpenGLFunctions_3_3_DeprecatedBackend*>(d);
271 d->refs.ref();
272
273 QAbstractOpenGLFunctions::initializeOpenGLFunctions();
274 }
275 return isInitialized();
276}
277
278bool QOpenGLFunctions_4_1_Compatibility::isContextCompatible(QOpenGLContext *context)
279{
280 Q_ASSERT(context);
281 QSurfaceFormat f = context->format();
282 const QPair<int, int> v = qMakePair(f.majorVersion(), f.minorVersion());
283 if (v < qMakePair(4, 1))
284 return false;
285
286 if (f.profile() == QSurfaceFormat::CoreProfile)
287 return false;
288
289 return true;
290}
291
292QOpenGLVersionProfile QOpenGLFunctions_4_1_Compatibility::versionProfile()
293{
294 QOpenGLVersionProfile v;
295 v.setVersion(4, 1);
296 v.setProfile(QSurfaceFormat::CompatibilityProfile);
297 return v;
298}
299
300QT_END_NAMESPACE
301