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48
49#include "qopenglfunctions_3_2_compatibility.h"
50#include "qopenglcontext.h"
51
52QT_BEGIN_NAMESPACE
53
54/*!
55 \class QOpenGLFunctions_3_2_Compatibility
56 \inmodule QtOpenGL
57 \since 5.1
58 \wrapper
59 \brief The QOpenGLFunctions_3_2_Compatibility class provides all functions for OpenGL 3.2 compatibility profile.
60
61 This class is a wrapper for functions from OpenGL 3.2 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_2_Compatibility::QOpenGLFunctions_3_2_Compatibility()
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_1_0_Deprecated(nullptr)
82 , d_1_1_Deprecated(nullptr)
83 , d_1_2_Deprecated(nullptr)
84 , d_1_3_Deprecated(nullptr)
85 , d_1_4_Deprecated(nullptr)
86 , m_reserved_2_0_Deprecated(nullptr)
87 , m_reserved_3_0_Deprecated(nullptr)
88{
89}
90
91QOpenGLFunctions_3_2_Compatibility::~QOpenGLFunctions_3_2_Compatibility()
92{
93 if (d_1_0_Core) {
94 d_1_0_Core->refs.deref();
95 Q_ASSERT(d_1_0_Core->refs.loadRelaxed());
96 }
97 if (d_1_1_Core) {
98 d_1_1_Core->refs.deref();
99 Q_ASSERT(d_1_1_Core->refs.loadRelaxed());
100 }
101 if (d_1_2_Core) {
102 d_1_2_Core->refs.deref();
103 Q_ASSERT(d_1_2_Core->refs.loadRelaxed());
104 }
105 if (d_1_3_Core) {
106 d_1_3_Core->refs.deref();
107 Q_ASSERT(d_1_3_Core->refs.loadRelaxed());
108 }
109 if (d_1_4_Core) {
110 d_1_4_Core->refs.deref();
111 Q_ASSERT(d_1_4_Core->refs.loadRelaxed());
112 }
113 if (d_1_5_Core) {
114 d_1_5_Core->refs.deref();
115 Q_ASSERT(d_1_5_Core->refs.loadRelaxed());
116 }
117 if (d_2_0_Core) {
118 d_2_0_Core->refs.deref();
119 Q_ASSERT(d_2_0_Core->refs.loadRelaxed());
120 }
121 if (d_2_1_Core) {
122 d_2_1_Core->refs.deref();
123 Q_ASSERT(d_2_1_Core->refs.loadRelaxed());
124 }
125 if (d_3_0_Core) {
126 d_3_0_Core->refs.deref();
127 Q_ASSERT(d_3_0_Core->refs.loadRelaxed());
128 }
129 if (d_3_1_Core) {
130 d_3_1_Core->refs.deref();
131 Q_ASSERT(d_3_1_Core->refs.loadRelaxed());
132 }
133 if (d_3_2_Core) {
134 d_3_2_Core->refs.deref();
135 Q_ASSERT(d_3_2_Core->refs.loadRelaxed());
136 }
137 if (d_1_0_Deprecated) {
138 d_1_0_Deprecated->refs.deref();
139 Q_ASSERT(d_1_0_Deprecated->refs.loadRelaxed());
140 }
141 if (d_1_1_Deprecated) {
142 d_1_1_Deprecated->refs.deref();
143 Q_ASSERT(d_1_1_Deprecated->refs.loadRelaxed());
144 }
145 if (d_1_2_Deprecated) {
146 d_1_2_Deprecated->refs.deref();
147 Q_ASSERT(d_1_2_Deprecated->refs.loadRelaxed());
148 }
149 if (d_1_3_Deprecated) {
150 d_1_3_Deprecated->refs.deref();
151 Q_ASSERT(d_1_3_Deprecated->refs.loadRelaxed());
152 }
153 if (d_1_4_Deprecated) {
154 d_1_4_Deprecated->refs.deref();
155 Q_ASSERT(d_1_4_Deprecated->refs.loadRelaxed());
156 }
157}
158
159bool QOpenGLFunctions_3_2_Compatibility::initializeOpenGLFunctions()
160{
161 if ( isInitialized() )
162 return true;
163
164 QOpenGLContext* context = QOpenGLContext::currentContext();
165
166 // If owned by a context object make sure it is current.
167 // Also check that current context is capable of resolving all needed functions
168 if (((owningContext() && owningContext() == context) || !owningContext())
169 && QOpenGLFunctions_3_2_Compatibility::isContextCompatible(context))
170 {
171 // Associate with private implementation, creating if necessary
172 // Function pointers in the backends are resolved at creation time
173 QOpenGLVersionFunctionsBackend* d = nullptr;
174 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_0_CoreBackend::versionStatus());
175 d_1_0_Core = static_cast<QOpenGLFunctions_1_0_CoreBackend*>(d);
176 d->refs.ref();
177
178 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_1_CoreBackend::versionStatus());
179 d_1_1_Core = static_cast<QOpenGLFunctions_1_1_CoreBackend*>(d);
180 d->refs.ref();
181
182 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_2_CoreBackend::versionStatus());
183 d_1_2_Core = static_cast<QOpenGLFunctions_1_2_CoreBackend*>(d);
184 d->refs.ref();
185
186 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_3_CoreBackend::versionStatus());
187 d_1_3_Core = static_cast<QOpenGLFunctions_1_3_CoreBackend*>(d);
188 d->refs.ref();
189
190 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_4_CoreBackend::versionStatus());
191 d_1_4_Core = static_cast<QOpenGLFunctions_1_4_CoreBackend*>(d);
192 d->refs.ref();
193
194 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_5_CoreBackend::versionStatus());
195 d_1_5_Core = static_cast<QOpenGLFunctions_1_5_CoreBackend*>(d);
196 d->refs.ref();
197
198 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_2_0_CoreBackend::versionStatus());
199 d_2_0_Core = static_cast<QOpenGLFunctions_2_0_CoreBackend*>(d);
200 d->refs.ref();
201
202 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_2_1_CoreBackend::versionStatus());
203 d_2_1_Core = static_cast<QOpenGLFunctions_2_1_CoreBackend*>(d);
204 d->refs.ref();
205
206 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_3_0_CoreBackend::versionStatus());
207 d_3_0_Core = static_cast<QOpenGLFunctions_3_0_CoreBackend*>(d);
208 d->refs.ref();
209
210 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_3_1_CoreBackend::versionStatus());
211 d_3_1_Core = static_cast<QOpenGLFunctions_3_1_CoreBackend*>(d);
212 d->refs.ref();
213
214 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_3_2_CoreBackend::versionStatus());
215 d_3_2_Core = static_cast<QOpenGLFunctions_3_2_CoreBackend*>(d);
216 d->refs.ref();
217
218 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_0_DeprecatedBackend::versionStatus());
219 d_1_0_Deprecated = static_cast<QOpenGLFunctions_1_0_DeprecatedBackend*>(d);
220 d->refs.ref();
221
222 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_1_DeprecatedBackend::versionStatus());
223 d_1_1_Deprecated = static_cast<QOpenGLFunctions_1_1_DeprecatedBackend*>(d);
224 d->refs.ref();
225
226 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_2_DeprecatedBackend::versionStatus());
227 d_1_2_Deprecated = static_cast<QOpenGLFunctions_1_2_DeprecatedBackend*>(d);
228 d->refs.ref();
229
230 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_3_DeprecatedBackend::versionStatus());
231 d_1_3_Deprecated = static_cast<QOpenGLFunctions_1_3_DeprecatedBackend*>(d);
232 d->refs.ref();
233
234 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_4_DeprecatedBackend::versionStatus());
235 d_1_4_Deprecated = static_cast<QOpenGLFunctions_1_4_DeprecatedBackend*>(d);
236 d->refs.ref();
237
238 QAbstractOpenGLFunctions::initializeOpenGLFunctions();
239 }
240 return isInitialized();
241}
242
243bool QOpenGLFunctions_3_2_Compatibility::isContextCompatible(QOpenGLContext *context)
244{
245 Q_ASSERT(context);
246 QSurfaceFormat f = context->format();
247 const QPair<int, int> v = qMakePair(f.majorVersion(), f.minorVersion());
248 if (v < qMakePair(3, 2))
249 return false;
250
251 if (f.profile() == QSurfaceFormat::CoreProfile)
252 return false;
253
254 return true;
255}
256
257QOpenGLVersionProfile QOpenGLFunctions_3_2_Compatibility::versionProfile()
258{
259 QOpenGLVersionProfile v;
260 v.setVersion(3, 2);
261 v.setProfile(QSurfaceFormat::CompatibilityProfile);
262 return v;
263}
264
265QT_END_NAMESPACE
266