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48
49#include "qopenglfunctions_3_0.h"
50#include "qopenglcontext.h"
51
52QT_BEGIN_NAMESPACE
53
54/*!
55 \class QOpenGLFunctions_3_0
56 \inmodule QtGui
57 \since 5.1
58 \wrapper
59 \brief The QOpenGLFunctions_3_0 class provides all functions for OpenGL 3.0 specification.
60
61 This class is a wrapper for functions from OpenGL 3.0 specification.
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_0::QOpenGLFunctions_3_0()
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_1_0_Deprecated(nullptr)
80 , d_1_1_Deprecated(nullptr)
81 , d_1_2_Deprecated(nullptr)
82 , d_1_3_Deprecated(nullptr)
83 , d_1_4_Deprecated(nullptr)
84 , m_reserved_2_0_Deprecated(nullptr)
85 , m_reserved_3_0_Deprecated(nullptr)
86{
87}
88
89QOpenGLFunctions_3_0::~QOpenGLFunctions_3_0()
90{
91 if (d_1_0_Core) {
92 d_1_0_Core->refs.deref();
93 Q_ASSERT(d_1_0_Core->refs.loadRelaxed());
94 }
95 if (d_1_1_Core) {
96 d_1_1_Core->refs.deref();
97 Q_ASSERT(d_1_1_Core->refs.loadRelaxed());
98 }
99 if (d_1_2_Core) {
100 d_1_2_Core->refs.deref();
101 Q_ASSERT(d_1_2_Core->refs.loadRelaxed());
102 }
103 if (d_1_3_Core) {
104 d_1_3_Core->refs.deref();
105 Q_ASSERT(d_1_3_Core->refs.loadRelaxed());
106 }
107 if (d_1_4_Core) {
108 d_1_4_Core->refs.deref();
109 Q_ASSERT(d_1_4_Core->refs.loadRelaxed());
110 }
111 if (d_1_5_Core) {
112 d_1_5_Core->refs.deref();
113 Q_ASSERT(d_1_5_Core->refs.loadRelaxed());
114 }
115 if (d_2_0_Core) {
116 d_2_0_Core->refs.deref();
117 Q_ASSERT(d_2_0_Core->refs.loadRelaxed());
118 }
119 if (d_2_1_Core) {
120 d_2_1_Core->refs.deref();
121 Q_ASSERT(d_2_1_Core->refs.loadRelaxed());
122 }
123 if (d_3_0_Core) {
124 d_3_0_Core->refs.deref();
125 Q_ASSERT(d_3_0_Core->refs.loadRelaxed());
126 }
127 if (d_1_0_Deprecated) {
128 d_1_0_Deprecated->refs.deref();
129 Q_ASSERT(d_1_0_Deprecated->refs.loadRelaxed());
130 }
131 if (d_1_1_Deprecated) {
132 d_1_1_Deprecated->refs.deref();
133 Q_ASSERT(d_1_1_Deprecated->refs.loadRelaxed());
134 }
135 if (d_1_2_Deprecated) {
136 d_1_2_Deprecated->refs.deref();
137 Q_ASSERT(d_1_2_Deprecated->refs.loadRelaxed());
138 }
139 if (d_1_3_Deprecated) {
140 d_1_3_Deprecated->refs.deref();
141 Q_ASSERT(d_1_3_Deprecated->refs.loadRelaxed());
142 }
143 if (d_1_4_Deprecated) {
144 d_1_4_Deprecated->refs.deref();
145 Q_ASSERT(d_1_4_Deprecated->refs.loadRelaxed());
146 }
147}
148
149bool QOpenGLFunctions_3_0::initializeOpenGLFunctions()
150{
151 if ( isInitialized() )
152 return true;
153
154 QOpenGLContext* context = QOpenGLContext::currentContext();
155
156 // If owned by a context object make sure it is current.
157 // Also check that current context is capable of resolving all needed functions
158 if (((owningContext() && owningContext() == context) || !owningContext())
159 && QOpenGLFunctions_3_0::isContextCompatible(context))
160 {
161 // Associate with private implementation, creating if necessary
162 // Function pointers in the backends are resolved at creation time
163 QOpenGLVersionFunctionsBackend* d = nullptr;
164 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_0_CoreBackend::versionStatus());
165 d_1_0_Core = static_cast<QOpenGLFunctions_1_0_CoreBackend*>(d);
166 d->refs.ref();
167
168 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_1_CoreBackend::versionStatus());
169 d_1_1_Core = static_cast<QOpenGLFunctions_1_1_CoreBackend*>(d);
170 d->refs.ref();
171
172 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_2_CoreBackend::versionStatus());
173 d_1_2_Core = static_cast<QOpenGLFunctions_1_2_CoreBackend*>(d);
174 d->refs.ref();
175
176 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_3_CoreBackend::versionStatus());
177 d_1_3_Core = static_cast<QOpenGLFunctions_1_3_CoreBackend*>(d);
178 d->refs.ref();
179
180 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_4_CoreBackend::versionStatus());
181 d_1_4_Core = static_cast<QOpenGLFunctions_1_4_CoreBackend*>(d);
182 d->refs.ref();
183
184 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_5_CoreBackend::versionStatus());
185 d_1_5_Core = static_cast<QOpenGLFunctions_1_5_CoreBackend*>(d);
186 d->refs.ref();
187
188 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_2_0_CoreBackend::versionStatus());
189 d_2_0_Core = static_cast<QOpenGLFunctions_2_0_CoreBackend*>(d);
190 d->refs.ref();
191
192 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_2_1_CoreBackend::versionStatus());
193 d_2_1_Core = static_cast<QOpenGLFunctions_2_1_CoreBackend*>(d);
194 d->refs.ref();
195
196 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_3_0_CoreBackend::versionStatus());
197 d_3_0_Core = static_cast<QOpenGLFunctions_3_0_CoreBackend*>(d);
198 d->refs.ref();
199
200 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_0_DeprecatedBackend::versionStatus());
201 d_1_0_Deprecated = static_cast<QOpenGLFunctions_1_0_DeprecatedBackend*>(d);
202 d->refs.ref();
203
204 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_1_DeprecatedBackend::versionStatus());
205 d_1_1_Deprecated = static_cast<QOpenGLFunctions_1_1_DeprecatedBackend*>(d);
206 d->refs.ref();
207
208 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_2_DeprecatedBackend::versionStatus());
209 d_1_2_Deprecated = static_cast<QOpenGLFunctions_1_2_DeprecatedBackend*>(d);
210 d->refs.ref();
211
212 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_3_DeprecatedBackend::versionStatus());
213 d_1_3_Deprecated = static_cast<QOpenGLFunctions_1_3_DeprecatedBackend*>(d);
214 d->refs.ref();
215
216 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_4_DeprecatedBackend::versionStatus());
217 d_1_4_Deprecated = static_cast<QOpenGLFunctions_1_4_DeprecatedBackend*>(d);
218 d->refs.ref();
219
220 QAbstractOpenGLFunctions::initializeOpenGLFunctions();
221 }
222 return isInitialized();
223}
224
225bool QOpenGLFunctions_3_0::isContextCompatible(QOpenGLContext *context)
226{
227 Q_ASSERT(context);
228 QSurfaceFormat f = context->format();
229 const QPair<int, int> v = qMakePair(x: f.majorVersion(), y: f.minorVersion());
230 if (v < qMakePair(x: 3, y: 0))
231 return false;
232
233 if (f.profile() == QSurfaceFormat::CoreProfile)
234 return false;
235
236 return true;
237}
238
239QOpenGLVersionProfile QOpenGLFunctions_3_0::versionProfile()
240{
241 QOpenGLVersionProfile v;
242 v.setVersion(majorVersion: 3, minorVersion: 0);
243 return v;
244}
245
246QT_END_NAMESPACE
247

source code of qtbase/src/gui/opengl/qopenglfunctions_3_0.cpp