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
|
/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the plugins 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui/QSurface>
#include <QtPlatformSupport/private/qeglconvenience_p.h>
#include <QtPlatformSupport/private/qeglpbuffer_p.h>
#include "qeglfscontext.h"
#include "qeglfswindow.h"
#include "qeglfshooks.h"
#include "qeglfscursor.h"
QT_BEGIN_NAMESPACE
QEglFSContext::QEglFSContext(const QSurfaceFormat &format, QPlatformOpenGLContext *share, EGLDisplay display,
EGLConfig *config, const QVariant &nativeHandle)
: QEGLPlatformContext(format, share, display, config, nativeHandle),
m_tempWindow(0)
{
}
EGLSurface QEglFSContext::eglSurfaceForPlatformSurface(QPlatformSurface *surface)
{
if (surface->surface()->surfaceClass() == QSurface::Window)
return static_cast<QEglFSWindow *>(surface)->surface();
else
return static_cast<QEGLPbuffer *>(surface)->pbuffer();
}
EGLSurface QEglFSContext::createTemporaryOffscreenSurface()
{
if (qt_egl_device_integration()->supportsPBuffers())
return QEGLPlatformContext::createTemporaryOffscreenSurface();
if (!m_tempWindow) {
m_tempWindow = qt_egl_device_integration()->createNativeOffscreenWindow(format());
if (!m_tempWindow) {
qWarning("QEglFSContext: Failed to create temporary native window");
return EGL_NO_SURFACE;
}
}
EGLConfig config = q_configFromGLFormat(eglDisplay(), format());
return eglCreateWindowSurface(eglDisplay(), config, m_tempWindow, 0);
}
void QEglFSContext::destroyTemporaryOffscreenSurface(EGLSurface surface)
{
if (qt_egl_device_integration()->supportsPBuffers()) {
QEGLPlatformContext::destroyTemporaryOffscreenSurface(surface);
} else {
eglDestroySurface(eglDisplay(), surface);
qt_egl_device_integration()->destroyNativeWindow(m_tempWindow);
m_tempWindow = 0;
}
}
void QEglFSContext::swapBuffers(QPlatformSurface *surface)
{
// draw the cursor
if (surface->surface()->surfaceClass() == QSurface::Window) {
QPlatformWindow *window = static_cast<QPlatformWindow *>(surface);
if (QEglFSCursor *cursor = qobject_cast<QEglFSCursor *>(window->screen()->cursor()))
cursor->paintOnScreen();
}
qt_egl_device_integration()->waitForVSync(surface);
QEGLPlatformContext::swapBuffers(surface);
qt_egl_device_integration()->presentBuffer(surface);
}
QT_END_NAMESPACE
|