1// Copyright (C) 2013 Klaralvdalens Datakonsult AB (KDAB)
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3/***************************************************************************
4** This file was generated by glgen version 0.1
5** Command line was: glgen
6**
7** glgen is Copyright (C) 2013 Klaralvdalens Datakonsult AB (KDAB)
8**
9** This is an auto-generated file.
10** Do not edit! All changes made to it will be lost.
11**
12****************************************************************************/
13
14#include "qopenglfunctions_1_1.h"
15#include "qopenglcontext.h"
16
17QT_BEGIN_NAMESPACE
18
19/*!
20 \class QOpenGLFunctions_1_1
21 \inmodule QtOpenGL
22 \since 5.1
23 \wrapper
24 \brief The QOpenGLFunctions_1_1 class provides all functions for OpenGL 1.1 specification.
25
26 This class is a wrapper for functions from OpenGL 1.1 specification.
27 See reference pages on \l {http://www.opengl.org/sdk/docs/}{opengl.org}
28 for function documentation.
29
30 \sa QAbstractOpenGLFunctions
31*/
32
33QOpenGLFunctions_1_1::QOpenGLFunctions_1_1()
34 : QAbstractOpenGLFunctions()
35 , d_1_0_Core(nullptr)
36 , d_1_1_Core(nullptr)
37 , d_1_0_Deprecated(nullptr)
38 , d_1_1_Deprecated(nullptr)
39{
40}
41
42QOpenGLFunctions_1_1::~QOpenGLFunctions_1_1()
43{
44 if (d_1_0_Core) {
45 d_1_0_Core->refs.deref();
46 Q_ASSERT(d_1_0_Core->refs.loadRelaxed());
47 }
48 if (d_1_1_Core) {
49 d_1_1_Core->refs.deref();
50 Q_ASSERT(d_1_1_Core->refs.loadRelaxed());
51 }
52 if (d_1_0_Deprecated) {
53 d_1_0_Deprecated->refs.deref();
54 Q_ASSERT(d_1_0_Deprecated->refs.loadRelaxed());
55 }
56 if (d_1_1_Deprecated) {
57 d_1_1_Deprecated->refs.deref();
58 Q_ASSERT(d_1_1_Deprecated->refs.loadRelaxed());
59 }
60}
61
62bool QOpenGLFunctions_1_1::initializeOpenGLFunctions()
63{
64 if ( isInitialized() )
65 return true;
66
67 QOpenGLContext* context = QOpenGLContext::currentContext();
68
69 // If owned by a context object make sure it is current.
70 // Also check that current context is capable of resolving all needed functions
71 if (((owningContext() && owningContext() == context) || !owningContext())
72 && QOpenGLFunctions_1_1::isContextCompatible(context))
73 {
74 // Associate with private implementation, creating if necessary
75 // Function pointers in the backends are resolved at creation time
76 QOpenGLVersionFunctionsBackend* d = nullptr;
77 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_0_CoreBackend::versionStatus());
78 d_1_0_Core = static_cast<QOpenGLFunctions_1_0_CoreBackend*>(d);
79 d->refs.ref();
80
81 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_1_CoreBackend::versionStatus());
82 d_1_1_Core = static_cast<QOpenGLFunctions_1_1_CoreBackend*>(d);
83 d->refs.ref();
84
85 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_0_DeprecatedBackend::versionStatus());
86 d_1_0_Deprecated = static_cast<QOpenGLFunctions_1_0_DeprecatedBackend*>(d);
87 d->refs.ref();
88
89 d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, v: QOpenGLFunctions_1_1_DeprecatedBackend::versionStatus());
90 d_1_1_Deprecated = static_cast<QOpenGLFunctions_1_1_DeprecatedBackend*>(d);
91 d->refs.ref();
92
93 QAbstractOpenGLFunctions::initializeOpenGLFunctions();
94 }
95 return isInitialized();
96}
97
98bool QOpenGLFunctions_1_1::isContextCompatible(QOpenGLContext *context)
99{
100 Q_ASSERT(context);
101 QSurfaceFormat f = context->format();
102 const QPair<int, int> v = qMakePair(value1: f.majorVersion(), value2: f.minorVersion());
103 if (v < qMakePair(value1: 1, value2: 1))
104 return false;
105
106 if (f.profile() == QSurfaceFormat::CoreProfile)
107 return false;
108
109 return true;
110}
111
112QOpenGLVersionProfile QOpenGLFunctions_1_1::versionProfile()
113{
114 QOpenGLVersionProfile v;
115 v.setVersion(majorVersion: 1, minorVersion: 1);
116 return v;
117}
118
119QT_END_NAMESPACE
120

source code of qtbase/src/opengl/qopenglfunctions_1_1.cpp