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 plugins 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 QXCBGLINTEGRATION_H
41
42#include "qxcbexport.h"
43#include "qxcbwindow.h"
44
45#include <QtCore/QLoggingCategory>
46
47QT_BEGIN_NAMESPACE
48
49class QPlatformOffscreenSurface;
50class QOffscreenSurface;
51class QXcbNativeInterfaceHandler;
52
53Q_XCB_EXPORT Q_DECLARE_LOGGING_CATEGORY(lcQpaGl)
54
55class Q_XCB_EXPORT QXcbGlIntegration
56{
57public:
58 QXcbGlIntegration();
59 virtual ~QXcbGlIntegration();
60 virtual bool initialize(QXcbConnection *connection) = 0;
61
62 virtual bool supportsThreadedOpenGL() const { return false; }
63 virtual bool supportsSwitchableWidgetComposition() const { return true; }
64 virtual bool handleXcbEvent(xcb_generic_event_t *event, uint responseType);
65
66 virtual QXcbWindow *createWindow(QWindow *window) const = 0;
67#ifndef QT_NO_OPENGL
68 virtual QPlatformOpenGLContext *createPlatformOpenGLContext(QOpenGLContext *context) const = 0;
69#endif
70 virtual QPlatformOffscreenSurface *createPlatformOffscreenSurface(QOffscreenSurface *surface) const = 0;
71
72 virtual QXcbNativeInterfaceHandler *nativeInterfaceHandler() const { return nullptr; }
73};
74
75QT_END_NAMESPACE
76
77#endif //QXCBGLINTEGRATION_H
78

source code of qtbase/src/plugins/platforms/xcb/gl_integrations/qxcbglintegration.h