Absolute File Name: | /home/qt/qt5_coco/qt5/qtbase/src/plugins/platforms/eglfs/qeglfsoffscreenwindow.cpp |
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1 | /**************************************************************************** | - | ||||||
2 | ** | - | ||||||
3 | ** Copyright (C) 2015 The Qt Company Ltd. | - | ||||||
4 | ** Contact: http://www.qt.io/licensing/ | - | ||||||
5 | ** | - | ||||||
6 | ** This file is part of the plugins of the Qt Toolkit. | - | ||||||
7 | ** | - | ||||||
8 | ** $QT_BEGIN_LICENSE:LGPL21$ | - | ||||||
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 http://www.qt.io/terms-conditions. For further | - | ||||||
15 | ** information use the contact form at http://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 2.1 or version 3 as published by the Free | - | ||||||
20 | ** Software Foundation and appearing in the file LICENSE.LGPLv21 and | - | ||||||
21 | ** LICENSE.LGPLv3 included in the packaging of this file. Please review the | - | ||||||
22 | ** following information to ensure the GNU Lesser General Public License | - | ||||||
23 | ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and | - | ||||||
24 | ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. | - | ||||||
25 | ** | - | ||||||
26 | ** As a special exception, The Qt Company gives you certain additional | - | ||||||
27 | ** rights. These rights are described in The Qt Company LGPL Exception | - | ||||||
28 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | - | ||||||
29 | ** | - | ||||||
30 | ** $QT_END_LICENSE$ | - | ||||||
31 | ** | - | ||||||
32 | ****************************************************************************/ | - | ||||||
33 | - | |||||||
34 | #include "qeglfsoffscreenwindow.h" | - | ||||||
35 | #include "qeglfshooks.h" | - | ||||||
36 | #include <QtGui/QOffscreenSurface> | - | ||||||
37 | #include <QtPlatformSupport/private/qeglconvenience_p.h> | - | ||||||
38 | - | |||||||
39 | QT_BEGIN_NAMESPACE | - | ||||||
40 | - | |||||||
41 | /* | - | ||||||
42 | In some cases pbuffers are not available. Triggering QtGui's built-in | - | ||||||
43 | fallback for a hidden QWindow is not suitable for eglfs since this would be | - | ||||||
44 | treated as an attempt to create multiple top-level, native windows. | - | ||||||
45 | - | |||||||
46 | Therefore this class is provided as an alternative to QEGLPbuffer. | - | ||||||
47 | - | |||||||
48 | This class requires the hooks to implement createNativeOffscreenWindow(). | - | ||||||
49 | */ | - | ||||||
50 | - | |||||||
51 | QEglFSOffscreenWindow::QEglFSOffscreenWindow(EGLDisplay display, const QSurfaceFormat &format, QOffscreenSurface *offscreenSurface) | - | ||||||
52 | : QPlatformOffscreenSurface(offscreenSurface) | - | ||||||
53 | , m_format(format) | - | ||||||
54 | , m_display(display) | - | ||||||
55 | , m_surface(EGL_NO_SURFACE) | - | ||||||
56 | , m_window(0) | - | ||||||
57 | { | - | ||||||
58 | m_window = qt_egl_device_integration()->createNativeOffscreenWindow(format); | - | ||||||
59 | if (!m_window) {
| 0 | ||||||
60 | qWarning("QEglFSOffscreenWindow: Failed to create native window"); | - | ||||||
61 | return; never executed: return; | 0 | ||||||
62 | } | - | ||||||
63 | EGLConfig config = q_configFromGLFormat(m_display, m_format); | - | ||||||
64 | m_surface = eglCreateWindowSurface(m_display, config, m_window, 0); | - | ||||||
65 | if (m_surface != EGL_NO_SURFACE)
| 0 | ||||||
66 | m_format = q_glFormatFromConfig(m_display, config); never executed: m_format = q_glFormatFromConfig(m_display, config); | 0 | ||||||
67 | } never executed: end of block | 0 | ||||||
68 | - | |||||||
69 | QEglFSOffscreenWindow::~QEglFSOffscreenWindow() | - | ||||||
70 | { | - | ||||||
71 | if (m_surface != EGL_NO_SURFACE)
| 0 | ||||||
72 | eglDestroySurface(m_display, m_surface); never executed: eglDestroySurface(m_display, m_surface); | 0 | ||||||
73 | if (m_window)
| 0 | ||||||
74 | qt_egl_device_integration()->destroyNativeWindow(m_window); never executed: qt_egl_device_integration()->destroyNativeWindow(m_window); | 0 | ||||||
75 | } never executed: end of block | 0 | ||||||
76 | - | |||||||
77 | QT_END_NAMESPACE | - | ||||||
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