blob: cb7844aff05487f808d3e7c2bb64271a07abe872 (
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
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qeglfsemulatorintegration.h"
#include "qeglfsemulatorscreen.h"
#include "private/qeglfsintegration_p.h"
#include <private/qguiapplication_p.h>
#include <QtEglSupport/private/qeglconvenience_p.h>
#include <QtEglSupport/private/qeglplatformcontext_p.h>
#include <qpa/qwindowsysteminterface.h>
#include <QtCore/QJsonDocument>
#include <QtCore/QJsonArray>
#include <QtCore/QJsonParseError>
QT_BEGIN_NAMESPACE
QEglFSEmulatorIntegration::QEglFSEmulatorIntegration()
{
// The Qt Emulator provides the ability to render to multiple displays
// In addition to the usual EGL and OpenGLESv2 API's, there are also a
// few additional API's that enable the client (this plugin) to query
// the available screens and their properties, as well as the ability
// to select which screen is the active render target (as this is
// usually handled in a platform specific way and not by EGL itself).
getDisplays = reinterpret_cast<PFNQGSGETDISPLAYSPROC>(eglGetProcAddress("qgsGetDisplays"));
setDisplay = reinterpret_cast<PFNQGSSETDISPLAYPROC>(eglGetProcAddress("qgsSetDisplay"));
}
void QEglFSEmulatorIntegration::platformInit()
{
}
void QEglFSEmulatorIntegration::platformDestroy()
{
}
bool QEglFSEmulatorIntegration::usesDefaultScreen()
{
// This makes it possible to remotely query and then register our own set of screens
return false;
}
void QEglFSEmulatorIntegration::screenInit()
{
// Use qgsGetDisplays() call to retrieve the available screens from the Emulator
if (getDisplays) {
QByteArray displaysInfo = getDisplays();
QJsonParseError error;
QJsonDocument displaysDocument = QJsonDocument::fromJson(displaysInfo, &error);
if (error.error == QJsonParseError::NoError) {
// Document should be an array of screen objects
if (displaysDocument.isArray()){
QJsonArray screenArray = displaysDocument.array();
for (auto screenValue : screenArray) {
if (screenValue.isObject())
QWindowSystemInterface::handleScreenAdded(new QEglFSEmulatorScreen(screenValue.toObject()));
}
}
} else {
qWarning() << "eglfs_emu: Failed to parse display info JSON with error: " << error.errorString()
<< " at offset " << error.offset << " : " << displaysInfo;
}
} else {
qFatal("EGL library doesn't support Emulator extensions");
}
}
bool QEglFSEmulatorIntegration::hasCapability(QPlatformIntegration::Capability cap) const
{
switch (cap) {
case QPlatformIntegration::ThreadedPixmaps:
case QPlatformIntegration::OpenGL:
case QPlatformIntegration::ThreadedOpenGL:
return true;
default:
return false;
}
}
EGLNativeWindowType QEglFSEmulatorIntegration::createNativeWindow(QPlatformWindow *platformWindow,
const QSize &size,
const QSurfaceFormat &format)
{
Q_UNUSED(size);
Q_UNUSED(format);
QEglFSEmulatorScreen *screen = static_cast<QEglFSEmulatorScreen *>(platformWindow->screen());
if (screen && setDisplay) {
// Let the emulator know which screen the window surface is attached to
setDisplay(screen->id());
}
static QBasicAtomicInt uniqueWindowId = Q_BASIC_ATOMIC_INITIALIZER(0);
return EGLNativeWindowType(qintptr(1 + uniqueWindowId.fetchAndAddRelaxed(1)));
}
QT_END_NAMESPACE
|
