qeglfskmsintegration.cpp

Absolute File Name:/home/qt/qt5_coco/qt5/qtbase/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_support/qeglfskmsintegration.cpp
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1/****************************************************************************-
2**-
3** Copyright (C) 2015 Pier Luigi Fiorini <pierluigi.fiorini@gmail.com>-
4** Copyright (C) 2016 The Qt Company Ltd.-
5** Copyright (C) 2016 Pelagicore AG-
6** Contact: https://www.qt.io/licensing/-
7**-
8** This file is part of the plugins of the Qt Toolkit.-
9**-
10** $QT_BEGIN_LICENSE:LGPL$-
11** Commercial License Usage-
12** Licensees holding valid commercial Qt licenses may use this file in-
13** accordance with the commercial license agreement provided with the-
14** Software or, alternatively, in accordance with the terms contained in-
15** a written agreement between you and The Qt Company. For licensing terms-
16** and conditions see https://www.qt.io/terms-conditions. For further-
17** information use the contact form at https://www.qt.io/contact-us.-
18**-
19** GNU Lesser General Public License Usage-
20** Alternatively, this file may be used under the terms of the GNU Lesser-
21** General Public License version 3 as published by the Free Software-
22** Foundation and appearing in the file LICENSE.LGPL3 included in the-
23** packaging of this file. Please review the following information to-
24** ensure the GNU Lesser General Public License version 3 requirements-
25** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.-
26**-
27** GNU General Public License Usage-
28** Alternatively, this file may be used under the terms of the GNU-
29** General Public License version 2.0 or (at your option) the GNU General-
30** Public license version 3 or any later version approved by the KDE Free-
31** Qt Foundation. The licenses are as published by the Free Software-
32** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3-
33** included in the packaging of this file. Please review the following-
34** information to ensure the GNU General Public License requirements will-
35** be met: https://www.gnu.org/licenses/gpl-2.0.html and-
36** https://www.gnu.org/licenses/gpl-3.0.html.-
37**-
38** $QT_END_LICENSE$-
39**-
40****************************************************************************/-
41-
42#include "qeglfskmsintegration.h"-
43#include "qeglfskmsdevice.h"-
44#include "qeglfskmsscreen.h"-
45#include "qeglfswindow.h"-
46#include "qeglfscursor.h"-
47-
48#include <QtPlatformSupport/private/qeglconvenience_p.h>-
49#include <QtCore/QJsonDocument>-
50#include <QtCore/QJsonObject>-
51#include <QtCore/QJsonArray>-
52#include <QtGui/qpa/qplatformwindow.h>-
53#include <QtGui/qpa/qplatformcursor.h>-
54#include <QtGui/QScreen>-
55-
56#include <xf86drm.h>-
57#include <xf86drmMode.h>-
58-
59QT_BEGIN_NAMESPACE-
60-
61Q_LOGGING_CATEGORY(qLcEglfsKmsDebug, "qt.qpa.eglfs.kms")
never executed: return category;
0
62-
63QEglFSKmsIntegration::QEglFSKmsIntegration()-
64 : m_device(Q_NULLPTR)-
65 , m_hwCursor(false)-
66 , m_pbuffers(false)-
67 , m_separateScreens(false)-
68{}
never executed: end of block
0
69-
70void QEglFSKmsIntegration::platformInit()-
71{-
72 loadConfig();-
73-
74 if (!m_devicePath.isEmpty()) {
!m_devicePath.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
75 qCDebug(qLcEglfsKmsDebug) << "Using DRM device" << m_devicePath << "specified in config file";
never executed: QMessageLogger(__FILE__, 75, __PRETTY_FUNCTION__, qLcEglfsKmsDebug().categoryName()).debug() << "Using DRM device" << m_devicePath << "specified in config file";
qt_category_enabledDescription
TRUEnever evaluated
FALSEnever evaluated
0
76 }
never executed: end of block
0
77-
78 m_device = createDevice(m_devicePath);-
79 if (Q_UNLIKELY(!m_device->open()))
__builtin_expe...pen()), false)Description
TRUEnever evaluated
FALSEnever evaluated
0
80 qFatal("Could not open device %s - aborting!", qPrintable(m_devicePath));
never executed: QMessageLogger(__FILE__, 80, __PRETTY_FUNCTION__).fatal("Could not open device %s - aborting!", QString(m_devicePath).toLocal8Bit().constData());
0
81}
never executed: end of block
0
82-
83void QEglFSKmsIntegration::platformDestroy()-
84{-
85 m_device->close();-
86 delete m_device;-
87 m_device = Q_NULLPTR;-
88}
never executed: end of block
0
89-
90EGLNativeDisplayType QEglFSKmsIntegration::platformDisplay() const-
91{-
92 Q_ASSERT(m_device);-
93 return m_device->nativeDisplay();
never executed: return m_device->nativeDisplay();
0
94}-
95-
96bool QEglFSKmsIntegration::usesDefaultScreen()-
97{-
98 return false;
never executed: return false;
0
99}-
100-
101void QEglFSKmsIntegration::screenInit()-
102{-
103 m_device->createScreens();-
104}
never executed: end of block
0
105-
106QSurfaceFormat QEglFSKmsIntegration::surfaceFormatFor(const QSurfaceFormat &inputFormat) const-
107{-
108 QSurfaceFormat format(inputFormat);-
109 format.setRenderableType(QSurfaceFormat::OpenGLES);-
110 format.setSwapBehavior(QSurfaceFormat::DoubleBuffer);-
111 format.setRedBufferSize(8);-
112 format.setGreenBufferSize(8);-
113 format.setBlueBufferSize(8);-
114 return format;
never executed: return format;
0
115}-
116-
117bool QEglFSKmsIntegration::hasCapability(QPlatformIntegration::Capability cap) const-
118{-
119 switch (cap) {-
120 case QPlatformIntegration::ThreadedPixmaps:
never executed: case QPlatformIntegration::ThreadedPixmaps:
0
121 case QPlatformIntegration::OpenGL:
never executed: case QPlatformIntegration::OpenGL:
0
122 case QPlatformIntegration::ThreadedOpenGL:
never executed: case QPlatformIntegration::ThreadedOpenGL:
0
123 return true;
never executed: return true;
0
124 default:
never executed: default:
0
125 return false;
never executed: return false;
0
126 }-
127}-
128-
129void QEglFSKmsIntegration::waitForVSync(QPlatformSurface *surface) const-
130{-
131 QWindow *window = static_cast<QWindow *>(surface->surface());-
132 QEglFSKmsScreen *screen = static_cast<QEglFSKmsScreen *>(window->screen()->handle());-
133-
134 screen->waitForFlip();-
135}
never executed: end of block
0
136-
137bool QEglFSKmsIntegration::supportsPBuffers() const-
138{-
139 return m_pbuffers;
never executed: return m_pbuffers;
0
140}-
141-
142bool QEglFSKmsIntegration::hwCursor() const-
143{-
144 return m_hwCursor;
never executed: return m_hwCursor;
0
145}-
146-
147bool QEglFSKmsIntegration::separateScreens() const-
148{-
149 return m_separateScreens;
never executed: return m_separateScreens;
0
150}-
151-
152QMap<QString, QVariantMap> QEglFSKmsIntegration::outputSettings() const-
153{-
154 return m_outputSettings;
never executed: return m_outputSettings;
0
155}-
156-
157QEglFSKmsDevice *QEglFSKmsIntegration::device() const-
158{-
159 return m_device;
never executed: return m_device;
0
160}-
161-
162void QEglFSKmsIntegration::loadConfig()-
163{-
164 static QByteArray json = qgetenv("QT_QPA_EGLFS_KMS_CONFIG");-
165 if (json.isEmpty())
json.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
166 return;
never executed: return;
0
167-
168 qCDebug(qLcEglfsKmsDebug) << "Loading KMS setup from" << json;
never executed: QMessageLogger(__FILE__, 168, __PRETTY_FUNCTION__, qLcEglfsKmsDebug().categoryName()).debug() << "Loading KMS setup from" << json;
qt_category_enabledDescription
TRUEnever evaluated
FALSEnever evaluated
0
169-
170 QFile file(QString::fromUtf8(json));-
171 if (!file.open(QFile::ReadOnly)) {
!file.open(QFile::ReadOnly)Description
TRUEnever evaluated
FALSEnever evaluated
0
172 qCDebug(qLcEglfsKmsDebug) << "Could not open config file"
never executed: QMessageLogger(__FILE__, 172, __PRETTY_FUNCTION__, qLcEglfsKmsDebug().categoryName()).debug() << "Could not open config file" << json << "for reading";
qt_category_enabledDescription
TRUEnever evaluated
FALSEnever evaluated
0
173 << json << "for reading";
never executed: QMessageLogger(__FILE__, 172, __PRETTY_FUNCTION__, qLcEglfsKmsDebug().categoryName()).debug() << "Could not open config file" << json << "for reading";
0
174 return;
never executed: return;
0
175 }-
176-
177 const QJsonDocument doc = QJsonDocument::fromJson(file.readAll());-
178 if (!doc.isObject()) {
!doc.isObject()Description
TRUEnever evaluated
FALSEnever evaluated
0
179 qCDebug(qLcEglfsKmsDebug) << "Invalid config file" << json
never executed: QMessageLogger(__FILE__, 179, __PRETTY_FUNCTION__, qLcEglfsKmsDebug().categoryName()).debug() << "Invalid config file" << json << "- no top-level JSON object";
qt_category_enabledDescription
TRUEnever evaluated
FALSEnever evaluated
0
180 << "- no top-level JSON object";
never executed: QMessageLogger(__FILE__, 179, __PRETTY_FUNCTION__, qLcEglfsKmsDebug().categoryName()).debug() << "Invalid config file" << json << "- no top-level JSON object";
0
181 return;
never executed: return;
0
182 }-
183-
184 const QJsonObject object = doc.object();-
185-
186 m_hwCursor = object.value(QLatin1String("hwcursor")).toBool(m_hwCursor);-
187 m_pbuffers = object.value(QLatin1String("pbuffers")).toBool(m_pbuffers);-
188 m_devicePath = object.value(QLatin1String("device")).toString();-
189 m_separateScreens = object.value(QLatin1String("separateScreens")).toBool(m_separateScreens);-
190-
191 const QJsonArray outputs = object.value(QLatin1String("outputs")).toArray();-
192 for (int i = 0; i < outputs.size(); i++) {
i < outputs.size()Description
TRUEnever evaluated
FALSEnever evaluated
0
193 const QVariantMap outputSettings = outputs.at(i).toObject().toVariantMap();-
194-
195 if (outputSettings.contains(QStringLiteral("name"))) {
never executed: return qstring_literal_temp;
outputSettings...al_temp; }()))Description
TRUEnever evaluated
FALSEnever evaluated
0
196 const QString name = outputSettings.value(QStringLiteral("name")).toString();
never executed: return qstring_literal_temp;
0
197-
198 if (m_outputSettings.contains(name)) {
m_outputSettin...contains(name)Description
TRUEnever evaluated
FALSEnever evaluated
0
199 qCDebug(qLcEglfsKmsDebug) << "Output" << name << "configured multiple times!";
never executed: QMessageLogger(__FILE__, 199, __PRETTY_FUNCTION__, qLcEglfsKmsDebug().categoryName()).debug() << "Output" << name << "configured multiple times!";
qt_category_enabledDescription
TRUEnever evaluated
FALSEnever evaluated
0
200 }
never executed: end of block
0
201-
202 m_outputSettings.insert(name, outputSettings);-
203 }
never executed: end of block
0
204 }
never executed: end of block
0
205-
206 qCDebug(qLcEglfsKmsDebug) << "Configuration:\n"
never executed: QMessageLogger(__FILE__, 206, __PRETTY_FUNCTION__, qLcEglfsKmsDebug().categoryName()).debug() << "Configuration:\n" << "\thwcursor:" << m_hwCursor << "\n" << "\tpbuffers:" << m_pbuffers << "\n" << "\tseparateScreens:" << m_separateScreens << "\n" << "\toutputs:" << m_outputSettings;
qt_category_enabledDescription
TRUEnever evaluated
FALSEnever evaluated
0
207 << "\thwcursor:" << m_hwCursor << "\n"
never executed: QMessageLogger(__FILE__, 206, __PRETTY_FUNCTION__, qLcEglfsKmsDebug().categoryName()).debug() << "Configuration:\n" << "\thwcursor:" << m_hwCursor << "\n" << "\tpbuffers:" << m_pbuffers << "\n" << "\tseparateScreens:" << m_separateScreens << "\n" << "\toutputs:" << m_outputSettings;
0
208 << "\tpbuffers:" << m_pbuffers << "\n"
never executed: QMessageLogger(__FILE__, 206, __PRETTY_FUNCTION__, qLcEglfsKmsDebug().categoryName()).debug() << "Configuration:\n" << "\thwcursor:" << m_hwCursor << "\n" << "\tpbuffers:" << m_pbuffers << "\n" << "\tseparateScreens:" << m_separateScreens << "\n" << "\toutputs:" << m_outputSettings;
0
209 << "\tseparateScreens:" << m_separateScreens << "\n"
never executed: QMessageLogger(__FILE__, 206, __PRETTY_FUNCTION__, qLcEglfsKmsDebug().categoryName()).debug() << "Configuration:\n" << "\thwcursor:" << m_hwCursor << "\n" << "\tpbuffers:" << m_pbuffers << "\n" << "\tseparateScreens:" << m_separateScreens << "\n" << "\toutputs:" << m_outputSettings;
0
210 << "\toutputs:" << m_outputSettings;
never executed: QMessageLogger(__FILE__, 206, __PRETTY_FUNCTION__, qLcEglfsKmsDebug().categoryName()).debug() << "Configuration:\n" << "\thwcursor:" << m_hwCursor << "\n" << "\tpbuffers:" << m_pbuffers << "\n" << "\tseparateScreens:" << m_separateScreens << "\n" << "\toutputs:" << m_outputSettings;
0
211}
never executed: end of block
0
212-
213QT_END_NAMESPACE-
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