summaryrefslogtreecommitdiffstats
path: root/src/gui/opengl/qopenglfunctions_1_1.cpp
blob: b0f7538d48f1184afffe1717458f7a8c6f581fe1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
/****************************************************************************
**
** Copyright (C) 2013 Klaralvdalens Datakonsult AB (KDAB)
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
**
** This file was generated by glgen version 0.1
** Command line was: glgen
**
** glgen is Copyright (C) 2013 Klaralvdalens Datakonsult AB (KDAB)
**
** This is an auto-generated file.
** Do not edit! All changes made to it will be lost.
**
****************************************************************************/

#include "qopenglfunctions_1_1.h"
#include "qopenglcontext.h"

QT_BEGIN_NAMESPACE

/*!
    \class QOpenGLFunctions_1_1
    \inmodule QtGui
    \since 5.1
    \wrapper
    \brief The QOpenGLFunctions_1_1 class provides all functions for OpenGL 1.1 specification.

    This class is a wrapper for functions from OpenGL 1.1 specification.
    See reference pages on \l {http://www.opengl.org/sdk/docs/}{opengl.org}
    for function documentation.

    \sa QAbstractOpenGLFunctions
*/

QOpenGLFunctions_1_1::QOpenGLFunctions_1_1()
 : QAbstractOpenGLFunctions()
 , d_1_0_Core(nullptr)
 , d_1_1_Core(nullptr)
 , d_1_0_Deprecated(nullptr)
 , d_1_1_Deprecated(nullptr)
{
}

QOpenGLFunctions_1_1::~QOpenGLFunctions_1_1()
{
    if (d_1_0_Core) {
        d_1_0_Core->refs.deref();
        Q_ASSERT(d_1_0_Core->refs.loadRelaxed());
    }
    if (d_1_1_Core) {
        d_1_1_Core->refs.deref();
        Q_ASSERT(d_1_1_Core->refs.loadRelaxed());
    }
    if (d_1_0_Deprecated) {
        d_1_0_Deprecated->refs.deref();
        Q_ASSERT(d_1_0_Deprecated->refs.loadRelaxed());
    }
    if (d_1_1_Deprecated) {
        d_1_1_Deprecated->refs.deref();
        Q_ASSERT(d_1_1_Deprecated->refs.loadRelaxed());
    }
}

bool QOpenGLFunctions_1_1::initializeOpenGLFunctions()
{
    if ( isInitialized() )
        return true;

    QOpenGLContext* context = QOpenGLContext::currentContext();

    // If owned by a context object make sure it is current.
    // Also check that current context is capable of resolving all needed functions
    if (((owningContext() && owningContext() == context) || !owningContext())
        && QOpenGLFunctions_1_1::isContextCompatible(context))
    {
        // Associate with private implementation, creating if necessary
        // Function pointers in the backends are resolved at creation time
        QOpenGLVersionFunctionsBackend* d = nullptr;
        d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_0_CoreBackend::versionStatus());
        d_1_0_Core = static_cast<QOpenGLFunctions_1_0_CoreBackend*>(d);
        d->refs.ref();

        d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_1_CoreBackend::versionStatus());
        d_1_1_Core = static_cast<QOpenGLFunctions_1_1_CoreBackend*>(d);
        d->refs.ref();

        d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_0_DeprecatedBackend::versionStatus());
        d_1_0_Deprecated = static_cast<QOpenGLFunctions_1_0_DeprecatedBackend*>(d);
        d->refs.ref();

        d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_1_DeprecatedBackend::versionStatus());
        d_1_1_Deprecated = static_cast<QOpenGLFunctions_1_1_DeprecatedBackend*>(d);
        d->refs.ref();

        QAbstractOpenGLFunctions::initializeOpenGLFunctions();
    }
    return isInitialized();
}

bool QOpenGLFunctions_1_1::isContextCompatible(QOpenGLContext *context)
{
    Q_ASSERT(context);
    QSurfaceFormat f = context->format();
    const QPair<int, int> v = qMakePair(f.majorVersion(), f.minorVersion());
    if (v < qMakePair(1, 1))
        return false;

    if (f.profile() == QSurfaceFormat::CoreProfile)
        return false;

    return true;
}

QOpenGLVersionProfile QOpenGLFunctions_1_1::versionProfile()
{
    QOpenGLVersionProfile v;
    v.setVersion(1, 1);
    return v;
}

QT_END_NAMESPACE