summaryrefslogtreecommitdiffstats
path: root/src/gui/opengl/qopengl_p.h
blob: e04ae0512085f46b2d97019f64a2b503c5e4dccd (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
/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://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 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QOPENGL_P_H
#define QOPENGL_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include <qopengl.h>
#include <private/qopenglcontext_p.h>
#include <QtCore/qset.h>
#include <QtCore/qstring.h>
#include <private/qversionnumber_p.h>

QT_BEGIN_NAMESPACE

class QJsonDocument;

class Q_GUI_EXPORT QOpenGLExtensionMatcher
{
public:
    QOpenGLExtensionMatcher();

    bool match(const QByteArray &extension) const
    {
        return m_extensions.contains(extension);
    }

    QSet<QByteArray> extensions() const { return m_extensions; }

private:
    QSet<QByteArray> m_extensions;
};

class Q_GUI_EXPORT QOpenGLConfig
{
public:
    struct Gpu {
        Gpu() : vendorId(0), deviceId(0) {}
        bool isValid() const { return deviceId; }
        bool equals(const Gpu &other) const {
            return vendorId == other.vendorId && deviceId == other.deviceId && driverVersion == other.driverVersion;
        }

        uint vendorId;
        uint deviceId;
        QVersionNumber driverVersion;
    };

    static QSet<QString> gpuFeatures(const Gpu &gpu,
                                     const QString &osName, const QVersionNumber &kernelVersion,
                                     const QJsonDocument &doc);
    static QSet<QString> gpuFeatures(const Gpu &gpu,
                                     const QString &osName, const QVersionNumber &kernelVersion,
                                     const QString &fileName);
    static QSet<QString> gpuFeatures(const Gpu &gpu, const QJsonDocument &doc);
    static QSet<QString> gpuFeatures(const Gpu &gpu, const QString &fileName);
};

inline bool operator==(const QOpenGLConfig::Gpu &a, const QOpenGLConfig::Gpu &b)
{
    return a.equals(b);
}

inline bool operator!=(const QOpenGLConfig::Gpu &a, const QOpenGLConfig::Gpu &b)
{
    return !a.equals(b);
}

inline uint qHash(const QOpenGLConfig::Gpu &gpu)
{
    return qHash(gpu.vendorId) + qHash(gpu.deviceId) + qHash(gpu.driverVersion);
}

QT_END_NAMESPACE

#endif // QOPENGL_H