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48
49#include "qopenglfunctions_1_5.h"
50#include "qopenglcontext.h"
51
52QT_BEGIN_NAMESPACE
53
54/*!
55 \class QOpenGLFunctions_1_5
56 \inmodule QtGui
57 \since 5.1
58 \wrapper
59 \brief The QOpenGLFunctions_1_5 class provides all functions for OpenGL 1.5 specification.
60
61 This class is a wrapper for functions from OpenGL 1.5 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_1_5::QOpenGLFunctions_1_5()
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_1_0_Deprecated(nullptr)
77 , d_1_1_Deprecated(nullptr)
78 , d_1_2_Deprecated(nullptr)
79 , d_1_3_Deprecated(nullptr)
80 , d_1_4_Deprecated(nullptr)
81{
82}
83
84QOpenGLFunctions_1_5::~QOpenGLFunctions_1_5()
85{
86 if (d_1_0_Core) {
87 d_1_0_Core->refs.deref();
88 Q_ASSERT(d_1_0_Core->refs.loadRelaxed());
89 }
90 if (d_1_1_Core) {
91 d_1_1_Core->refs.deref();
92 Q_ASSERT(d_1_1_Core->refs.loadRelaxed());
93 }
94 if (d_1_2_Core) {
95 d_1_2_Core->refs.deref();
96 Q_ASSERT(d_1_2_Core->refs.loadRelaxed());
97 }
98 if (d_1_3_Core) {
99 d_1_3_Core->refs.deref();
100 Q_ASSERT(d_1_3_Core->refs.loadRelaxed());
101 }
102 if (d_1_4_Core) {
103 d_1_4_Core->refs.deref();
104 Q_ASSERT(d_1_4_Core->refs.loadRelaxed());
105 }
106 if (d_1_5_Core) {
107 d_1_5_Core->refs.deref();
108 Q_ASSERT(d_1_5_Core->refs.loadRelaxed());
109 }
110 if (d_1_0_Deprecated) {
111 d_1_0_Deprecated->refs.deref();
112 Q_ASSERT(d_1_0_Deprecated->refs.loadRelaxed());
113 }
114 if (d_1_1_Deprecated) {
115 d_1_1_Deprecated->refs.deref();
116 Q_ASSERT(d_1_1_Deprecated->refs.loadRelaxed());
117 }
118 if (d_1_2_Deprecated) {
119 d_1_2_Deprecated->refs.deref();
120 Q_ASSERT(d_1_2_Deprecated->refs.loadRelaxed());
121 }
122 if (d_1_3_Deprecated) {
123 d_1_3_Deprecated->refs.deref();
124 Q_ASSERT(d_1_3_Deprecated->refs.loadRelaxed());
125 }
126 if (d_1_4_Deprecated) {
127 d_1_4_Deprecated->refs.deref();
128 Q_ASSERT(d_1_4_Deprecated->refs.loadRelaxed());
129 }
130}
131
132bool QOpenGLFunctions_1_5::initializeOpenGLFunctions()
133{
134 if ( isInitialized() )
135 return true;
136
137 QOpenGLContext* context = QOpenGLContext::currentContext();
138
139 // If owned by a context object make sure it is current.
140 // Also check that current context is capable of resolving all needed functions
141 if (((owningContext() && owningContext() == context) || !owningContext())
142 && QOpenGLFunctions_1_5::isContextCompatible(context))
143 {
144 // Associate with private implementation, creating if necessary
145 // Function pointers in the backends are resolved at creation time
146 QOpenGLVersionFunctionsBackend* d = nullptr;
147 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_0_CoreBackend::versionStatus());
148 d_1_0_Core = static_cast<QOpenGLFunctions_1_0_CoreBackend*>(d);
149 d->refs.ref();
150
151 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_1_CoreBackend::versionStatus());
152 d_1_1_Core = static_cast<QOpenGLFunctions_1_1_CoreBackend*>(d);
153 d->refs.ref();
154
155 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_2_CoreBackend::versionStatus());
156 d_1_2_Core = static_cast<QOpenGLFunctions_1_2_CoreBackend*>(d);
157 d->refs.ref();
158
159 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_3_CoreBackend::versionStatus());
160 d_1_3_Core = static_cast<QOpenGLFunctions_1_3_CoreBackend*>(d);
161 d->refs.ref();
162
163 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_4_CoreBackend::versionStatus());
164 d_1_4_Core = static_cast<QOpenGLFunctions_1_4_CoreBackend*>(d);
165 d->refs.ref();
166
167 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_5_CoreBackend::versionStatus());
168 d_1_5_Core = static_cast<QOpenGLFunctions_1_5_CoreBackend*>(d);
169 d->refs.ref();
170
171 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_0_DeprecatedBackend::versionStatus());
172 d_1_0_Deprecated = static_cast<QOpenGLFunctions_1_0_DeprecatedBackend*>(d);
173 d->refs.ref();
174
175 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_1_DeprecatedBackend::versionStatus());
176 d_1_1_Deprecated = static_cast<QOpenGLFunctions_1_1_DeprecatedBackend*>(d);
177 d->refs.ref();
178
179 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_2_DeprecatedBackend::versionStatus());
180 d_1_2_Deprecated = static_cast<QOpenGLFunctions_1_2_DeprecatedBackend*>(d);
181 d->refs.ref();
182
183 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_3_DeprecatedBackend::versionStatus());
184 d_1_3_Deprecated = static_cast<QOpenGLFunctions_1_3_DeprecatedBackend*>(d);
185 d->refs.ref();
186
187 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_4_DeprecatedBackend::versionStatus());
188 d_1_4_Deprecated = static_cast<QOpenGLFunctions_1_4_DeprecatedBackend*>(d);
189 d->refs.ref();
190
191 QAbstractOpenGLFunctions::initializeOpenGLFunctions();
192 }
193 return isInitialized();
194}
195
196bool QOpenGLFunctions_1_5::isContextCompatible(QOpenGLContext *context)
197{
198 Q_ASSERT(context);
199 QSurfaceFormat f = context->format();
200 const QPair<int, int> v = qMakePair(x: f.majorVersion(), y: f.minorVersion());
201 if (v < qMakePair(x: 1, y: 5))
202 return false;
203
204 if (f.profile() == QSurfaceFormat::CoreProfile)
205 return false;
206
207 return true;
208}
209
210QOpenGLVersionProfile QOpenGLFunctions_1_5::versionProfile()
211{
212 QOpenGLVersionProfile v;
213 v.setVersion(majorVersion: 1, minorVersion: 5);
214 return v;
215}
216
217QT_END_NAMESPACE
218

source code of qtbase/src/gui/opengl/qopenglfunctions_1_5.cpp