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48
49#include "qopenglfunctions_1_4.h"
50#include "qopenglcontext.h"
51
52QT_BEGIN_NAMESPACE
53
54/*!
55 \class QOpenGLFunctions_1_4
56 \inmodule QtGui
57 \since 5.1
58 \wrapper
59 \brief The QOpenGLFunctions_1_4 class provides all functions for OpenGL 1.4 specification.
60
61 This class is a wrapper for functions from OpenGL 1.4 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_4::QOpenGLFunctions_1_4()
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_0_Deprecated(0)
76 , d_1_1_Deprecated(0)
77 , d_1_2_Deprecated(0)
78 , d_1_3_Deprecated(0)
79 , d_1_4_Deprecated(0)
80{
81}
82
83QOpenGLFunctions_1_4::~QOpenGLFunctions_1_4()
84{
85 if (d_1_0_Core) {
86 d_1_0_Core->refs.deref();
87 Q_ASSERT(d_1_0_Core->refs.loadRelaxed());
88 }
89 if (d_1_1_Core) {
90 d_1_1_Core->refs.deref();
91 Q_ASSERT(d_1_1_Core->refs.loadRelaxed());
92 }
93 if (d_1_2_Core) {
94 d_1_2_Core->refs.deref();
95 Q_ASSERT(d_1_2_Core->refs.loadRelaxed());
96 }
97 if (d_1_3_Core) {
98 d_1_3_Core->refs.deref();
99 Q_ASSERT(d_1_3_Core->refs.loadRelaxed());
100 }
101 if (d_1_4_Core) {
102 d_1_4_Core->refs.deref();
103 Q_ASSERT(d_1_4_Core->refs.loadRelaxed());
104 }
105 if (d_1_0_Deprecated) {
106 d_1_0_Deprecated->refs.deref();
107 Q_ASSERT(d_1_0_Deprecated->refs.loadRelaxed());
108 }
109 if (d_1_1_Deprecated) {
110 d_1_1_Deprecated->refs.deref();
111 Q_ASSERT(d_1_1_Deprecated->refs.loadRelaxed());
112 }
113 if (d_1_2_Deprecated) {
114 d_1_2_Deprecated->refs.deref();
115 Q_ASSERT(d_1_2_Deprecated->refs.loadRelaxed());
116 }
117 if (d_1_3_Deprecated) {
118 d_1_3_Deprecated->refs.deref();
119 Q_ASSERT(d_1_3_Deprecated->refs.loadRelaxed());
120 }
121 if (d_1_4_Deprecated) {
122 d_1_4_Deprecated->refs.deref();
123 Q_ASSERT(d_1_4_Deprecated->refs.loadRelaxed());
124 }
125}
126
127bool QOpenGLFunctions_1_4::initializeOpenGLFunctions()
128{
129 if ( isInitialized() )
130 return true;
131
132 QOpenGLContext* context = QOpenGLContext::currentContext();
133
134 // If owned by a context object make sure it is current.
135 // Also check that current context is capable of resolving all needed functions
136 if (((owningContext() && owningContext() == context) || !owningContext())
137 && QOpenGLFunctions_1_4::isContextCompatible(context))
138 {
139 // Associate with private implementation, creating if necessary
140 // Function pointers in the backends are resolved at creation time
141 QOpenGLVersionFunctionsBackend* d = 0;
142 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_0_CoreBackend::versionStatus());
143 d_1_0_Core = static_cast<QOpenGLFunctions_1_0_CoreBackend*>(d);
144 d->refs.ref();
145
146 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_1_CoreBackend::versionStatus());
147 d_1_1_Core = static_cast<QOpenGLFunctions_1_1_CoreBackend*>(d);
148 d->refs.ref();
149
150 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_2_CoreBackend::versionStatus());
151 d_1_2_Core = static_cast<QOpenGLFunctions_1_2_CoreBackend*>(d);
152 d->refs.ref();
153
154 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_3_CoreBackend::versionStatus());
155 d_1_3_Core = static_cast<QOpenGLFunctions_1_3_CoreBackend*>(d);
156 d->refs.ref();
157
158 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_4_CoreBackend::versionStatus());
159 d_1_4_Core = static_cast<QOpenGLFunctions_1_4_CoreBackend*>(d);
160 d->refs.ref();
161
162 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_0_DeprecatedBackend::versionStatus());
163 d_1_0_Deprecated = static_cast<QOpenGLFunctions_1_0_DeprecatedBackend*>(d);
164 d->refs.ref();
165
166 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_1_DeprecatedBackend::versionStatus());
167 d_1_1_Deprecated = static_cast<QOpenGLFunctions_1_1_DeprecatedBackend*>(d);
168 d->refs.ref();
169
170 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_2_DeprecatedBackend::versionStatus());
171 d_1_2_Deprecated = static_cast<QOpenGLFunctions_1_2_DeprecatedBackend*>(d);
172 d->refs.ref();
173
174 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_3_DeprecatedBackend::versionStatus());
175 d_1_3_Deprecated = static_cast<QOpenGLFunctions_1_3_DeprecatedBackend*>(d);
176 d->refs.ref();
177
178 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_4_DeprecatedBackend::versionStatus());
179 d_1_4_Deprecated = static_cast<QOpenGLFunctions_1_4_DeprecatedBackend*>(d);
180 d->refs.ref();
181
182 QAbstractOpenGLFunctions::initializeOpenGLFunctions();
183 }
184 return isInitialized();
185}
186
187bool QOpenGLFunctions_1_4::isContextCompatible(QOpenGLContext *context)
188{
189 Q_ASSERT(context);
190 QSurfaceFormat f = context->format();
191 const QPair<int, int> v = qMakePair(f.majorVersion(), f.minorVersion());
192 if (v < qMakePair(1, 4))
193 return false;
194
195 if (f.profile() == QSurfaceFormat::CoreProfile)
196 return false;
197
198 return true;
199}
200
201QOpenGLVersionProfile QOpenGLFunctions_1_4::versionProfile()
202{
203 QOpenGLVersionProfile v;
204 v.setVersion(1, 4);
205 return v;
206}
207
208QT_END_NAMESPACE
209