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48
49#include "qopenglfunctions_4_0_core.h"
50#include "qopenglcontext.h"
51
52QT_BEGIN_NAMESPACE
53
54/*!
55 \class QOpenGLFunctions_4_0_Core
56 \inmodule QtOpenGL
57 \since 5.1
58 \wrapper
59 \brief The QOpenGLFunctions_4_0_Core class provides all functions for OpenGL 4.0 core profile.
60
61 This class is a wrapper for functions from OpenGL 4.0 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_4_0_Core::QOpenGLFunctions_4_0_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 , d_4_0_Core(nullptr)
83{
84}
85
86QOpenGLFunctions_4_0_Core::~QOpenGLFunctions_4_0_Core()
87{
88 if (d_1_0_Core) {
89 d_1_0_Core->refs.deref();
90 Q_ASSERT(d_1_0_Core->refs.loadRelaxed());
91 }
92 if (d_1_1_Core) {
93 d_1_1_Core->refs.deref();
94 Q_ASSERT(d_1_1_Core->refs.loadRelaxed());
95 }
96 if (d_1_2_Core) {
97 d_1_2_Core->refs.deref();
98 Q_ASSERT(d_1_2_Core->refs.loadRelaxed());
99 }
100 if (d_1_3_Core) {
101 d_1_3_Core->refs.deref();
102 Q_ASSERT(d_1_3_Core->refs.loadRelaxed());
103 }
104 if (d_1_4_Core) {
105 d_1_4_Core->refs.deref();
106 Q_ASSERT(d_1_4_Core->refs.loadRelaxed());
107 }
108 if (d_1_5_Core) {
109 d_1_5_Core->refs.deref();
110 Q_ASSERT(d_1_5_Core->refs.loadRelaxed());
111 }
112 if (d_2_0_Core) {
113 d_2_0_Core->refs.deref();
114 Q_ASSERT(d_2_0_Core->refs.loadRelaxed());
115 }
116 if (d_2_1_Core) {
117 d_2_1_Core->refs.deref();
118 Q_ASSERT(d_2_1_Core->refs.loadRelaxed());
119 }
120 if (d_3_0_Core) {
121 d_3_0_Core->refs.deref();
122 Q_ASSERT(d_3_0_Core->refs.loadRelaxed());
123 }
124 if (d_3_1_Core) {
125 d_3_1_Core->refs.deref();
126 Q_ASSERT(d_3_1_Core->refs.loadRelaxed());
127 }
128 if (d_3_2_Core) {
129 d_3_2_Core->refs.deref();
130 Q_ASSERT(d_3_2_Core->refs.loadRelaxed());
131 }
132 if (d_3_3_Core) {
133 d_3_3_Core->refs.deref();
134 Q_ASSERT(d_3_3_Core->refs.loadRelaxed());
135 }
136 if (d_4_0_Core) {
137 d_4_0_Core->refs.deref();
138 Q_ASSERT(d_4_0_Core->refs.loadRelaxed());
139 }
140}
141
142bool QOpenGLFunctions_4_0_Core::initializeOpenGLFunctions()
143{
144 if ( isInitialized() )
145 return true;
146
147 QOpenGLContext* context = QOpenGLContext::currentContext();
148
149 // If owned by a context object make sure it is current.
150 // Also check that current context is capable of resolving all needed functions
151 if (((owningContext() && owningContext() == context) || !owningContext())
152 && QOpenGLFunctions_4_0_Core::isContextCompatible(context))
153 {
154 // Associate with private implementation, creating if necessary
155 // Function pointers in the backends are resolved at creation time
156 QOpenGLVersionFunctionsBackend* d = nullptr;
157 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_0_CoreBackend::versionStatus());
158 d_1_0_Core = static_cast<QOpenGLFunctions_1_0_CoreBackend*>(d);
159 d->refs.ref();
160
161 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_1_CoreBackend::versionStatus());
162 d_1_1_Core = static_cast<QOpenGLFunctions_1_1_CoreBackend*>(d);
163 d->refs.ref();
164
165 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_2_CoreBackend::versionStatus());
166 d_1_2_Core = static_cast<QOpenGLFunctions_1_2_CoreBackend*>(d);
167 d->refs.ref();
168
169 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_3_CoreBackend::versionStatus());
170 d_1_3_Core = static_cast<QOpenGLFunctions_1_3_CoreBackend*>(d);
171 d->refs.ref();
172
173 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_4_CoreBackend::versionStatus());
174 d_1_4_Core = static_cast<QOpenGLFunctions_1_4_CoreBackend*>(d);
175 d->refs.ref();
176
177 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_5_CoreBackend::versionStatus());
178 d_1_5_Core = static_cast<QOpenGLFunctions_1_5_CoreBackend*>(d);
179 d->refs.ref();
180
181 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_2_0_CoreBackend::versionStatus());
182 d_2_0_Core = static_cast<QOpenGLFunctions_2_0_CoreBackend*>(d);
183 d->refs.ref();
184
185 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_2_1_CoreBackend::versionStatus());
186 d_2_1_Core = static_cast<QOpenGLFunctions_2_1_CoreBackend*>(d);
187 d->refs.ref();
188
189 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_3_0_CoreBackend::versionStatus());
190 d_3_0_Core = static_cast<QOpenGLFunctions_3_0_CoreBackend*>(d);
191 d->refs.ref();
192
193 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_3_1_CoreBackend::versionStatus());
194 d_3_1_Core = static_cast<QOpenGLFunctions_3_1_CoreBackend*>(d);
195 d->refs.ref();
196
197 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_3_2_CoreBackend::versionStatus());
198 d_3_2_Core = static_cast<QOpenGLFunctions_3_2_CoreBackend*>(d);
199 d->refs.ref();
200
201 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_3_3_CoreBackend::versionStatus());
202 d_3_3_Core = static_cast<QOpenGLFunctions_3_3_CoreBackend*>(d);
203 d->refs.ref();
204
205 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_4_0_CoreBackend::versionStatus());
206 d_4_0_Core = static_cast<QOpenGLFunctions_4_0_CoreBackend*>(d);
207 d->refs.ref();
208
209 QAbstractOpenGLFunctions::initializeOpenGLFunctions();
210 }
211 return isInitialized();
212}
213
214bool QOpenGLFunctions_4_0_Core::isContextCompatible(QOpenGLContext *context)
215{
216 Q_ASSERT(context);
217 QSurfaceFormat f = context->format();
218 const QPair<int, int> v = qMakePair(f.majorVersion(), f.minorVersion());
219 if (v < qMakePair(4, 0))
220 return false;
221
222 return true;
223}
224
225QOpenGLVersionProfile QOpenGLFunctions_4_0_Core::versionProfile()
226{
227 QOpenGLVersionProfile v;
228 v.setVersion(4, 0);
229 v.setProfile(QSurfaceFormat::CoreProfile);
230 return v;
231}
232
233QT_END_NAMESPACE
234