1/****************************************************************************
2**
3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the QtGui module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/contact-us.
16**
17** GNU Lesser General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU Lesser
19** General Public License version 3 as published by the Free Software
20** Foundation and appearing in the file LICENSE.LGPL3 included in the
21** packaging of this file. Please review the following information to
22** ensure the GNU Lesser General Public License version 3 requirements
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
24**
25** GNU General Public License Usage
26** Alternatively, this file may be used under the terms of the GNU
27** General Public License version 2.0 or (at your option) the GNU General
28** Public license version 3 or any later version approved by the KDE Free
29** Qt Foundation. The licenses are as published by the Free Software
30** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
31** included in the packaging of this file. Please review the following
32** information to ensure the GNU General Public License requirements will
33** be met: https://www.gnu.org/licenses/gpl-2.0.html and
34** https://www.gnu.org/licenses/gpl-3.0.html.
35**
36** $QT_END_LICENSE$
37**
38****************************************************************************/
39
40#ifndef QPLATFORMOPENGLCONTEXT_H
41#define QPLATFORMOPENGLCONTEXT_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is part of the QPA API and is not meant to be used
48// in applications. Usage of this API may make your code
49// source and binary incompatible with future versions of Qt.
50//
51
52#include <QtGui/qtguiglobal.h>
53#include <QtCore/qnamespace.h>
54
55#ifndef QT_NO_OPENGL
56
57#include <QtGui/qsurfaceformat.h>
58#include <QtGui/qwindow.h>
59#include <QtGui/qopengl.h>
60
61QT_BEGIN_NAMESPACE
62
63
64class QPlatformOpenGLContextPrivate;
65
66class Q_GUI_EXPORT QPlatformOpenGLContext
67{
68 Q_DECLARE_PRIVATE(QPlatformOpenGLContext)
69public:
70 QPlatformOpenGLContext();
71 virtual ~QPlatformOpenGLContext();
72
73 virtual void initialize();
74
75 virtual QSurfaceFormat format() const = 0;
76
77 virtual void swapBuffers(QPlatformSurface *surface) = 0;
78
79 virtual GLuint defaultFramebufferObject(QPlatformSurface *surface) const;
80
81 virtual bool makeCurrent(QPlatformSurface *surface) = 0;
82 virtual void doneCurrent() = 0;
83
84 virtual bool isSharing() const { return false; }
85 virtual bool isValid() const { return true; }
86
87 virtual QFunctionPointer getProcAddress(const char *procName) = 0;
88
89 QOpenGLContext *context() const;
90
91 static bool parseOpenGLVersion(const QByteArray &versionString, int &major, int &minor);
92
93private:
94 friend class QOpenGLContext;
95
96 QScopedPointer<QPlatformOpenGLContextPrivate> d_ptr;
97
98 void setContext(QOpenGLContext *context);
99
100 Q_DISABLE_COPY(QPlatformOpenGLContext)
101};
102
103QT_END_NAMESPACE
104
105#endif // QT_NO_OPENGL
106
107#endif // QPLATFORMOPENGLCONTEXT_H
108

source code of qtbase/src/gui/kernel/qplatformopenglcontext.h