qeglfskmsdevice.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 "qeglfskmsdevice.h"-
43#include "qeglfskmsscreen.h"-
44-
45#include "qeglfsintegration.h"-
46-
47#include <QtCore/QLoggingCategory>-
48#include <QtCore/private/qcore_unix_p.h>-
49#include <QtGui/private/qguiapplication_p.h>-
50-
51#define ARRAY_LENGTH(a) (sizeof (a) / sizeof (a)[0])-
52-
53QT_BEGIN_NAMESPACE-
54-
55Q_DECLARE_LOGGING_CATEGORY(qLcEglfsKmsDebug)-
56-
57enum OutputConfiguration {-
58 OutputConfigOff,-
59 OutputConfigPreferred,-
60 OutputConfigCurrent,-
61 OutputConfigMode,-
62 OutputConfigModeline-
63};-
64-
65int QEglFSKmsDevice::crtcForConnector(drmModeResPtr resources, drmModeConnectorPtr connector)-
66{-
67 for (int i = 0; i < connector->count_encoders; i++) {
i < connector->count_encodersDescription
TRUEnever evaluated
FALSEnever evaluated
0
68 drmModeEncoderPtr encoder = drmModeGetEncoder(m_dri_fd, connector->encoders[i]);-
69 if (!encoder) {
!encoderDescription
TRUEnever evaluated
FALSEnever evaluated
0
70 qWarning("Failed to get encoder");-
71 continue;
never executed: continue;
0
72 }-
73-
74 quint32 possibleCrtcs = encoder->possible_crtcs;-
75 drmModeFreeEncoder(encoder);-
76-
77 for (int j = 0; j < resources->count_crtcs; j++) {
j < resources->count_crtcsDescription
TRUEnever evaluated
FALSEnever evaluated
0
78 bool isPossible = possibleCrtcs & (1 << j);-
79 bool isAvailable = !(m_crtc_allocator & 1 << resources->crtcs[j]);-
80-
81 if (isPossible && isAvailable)
isPossibleDescription
TRUEnever evaluated
FALSEnever evaluated
isAvailableDescription
TRUEnever evaluated
FALSEnever evaluated
0
82 return j;
never executed: return j;
0
83 }
never executed: end of block
0
84 }
never executed: end of block
0
85-
86 return -1;
never executed: return -1;
0
87}-
88-
89static const char * const connector_type_names[] = {-
90 "None",-
91 "VGA",-
92 "DVI",-
93 "DVI",-
94 "DVI",-
95 "Composite",-
96 "TV",-
97 "LVDS",-
98 "CTV",-
99 "DIN",-
100 "DP",-
101 "HDMI",-
102 "HDMI",-
103 "TV",-
104 "eDP",-
105};-
106-
107static QByteArray nameForConnector(const drmModeConnectorPtr connector)-
108{-
109 QByteArray connectorName("UNKNOWN");-
110-
111 if (connector->connector_type < ARRAY_LENGTH(connector_type_names))
connector->con...ype_names)[0])Description
TRUEnever evaluated
FALSEnever evaluated
0
112 connectorName = connector_type_names[connector->connector_type];
never executed: connectorName = connector_type_names[connector->connector_type];
0
113-
114 connectorName += QByteArray::number(connector->connector_type_id);-
115-
116 return connectorName;
never executed: return connectorName;
0
117}-
118-
119static bool parseModeline(const QByteArray &text, drmModeModeInfoPtr mode)-
120{-
121 char hsync[16];-
122 char vsync[16];-
123 float fclock;-
124-
125 mode->type = DRM_MODE_TYPE_USERDEF;-
126 mode->hskew = 0;-
127 mode->vscan = 0;-
128 mode->vrefresh = 0;-
129 mode->flags = 0;-
130-
131 if (sscanf(text.constData(), "%f %hd %hd %hd %hd %hd %hd %hd %hd %15s %15s",
sscanf(text.co..., vsync) != 11Description
TRUEnever evaluated
FALSEnever evaluated
0
132 &fclock,
sscanf(text.co..., vsync) != 11Description
TRUEnever evaluated
FALSEnever evaluated
0
133 &mode->hdisplay,
sscanf(text.co..., vsync) != 11Description
TRUEnever evaluated
FALSEnever evaluated
0
134 &mode->hsync_start,
sscanf(text.co..., vsync) != 11Description
TRUEnever evaluated
FALSEnever evaluated
0
135 &mode->hsync_end,
sscanf(text.co..., vsync) != 11Description
TRUEnever evaluated
FALSEnever evaluated
0
136 &mode->htotal,
sscanf(text.co..., vsync) != 11Description
TRUEnever evaluated
FALSEnever evaluated
0
137 &mode->vdisplay,
sscanf(text.co..., vsync) != 11Description
TRUEnever evaluated
FALSEnever evaluated
0
138 &mode->vsync_start,
sscanf(text.co..., vsync) != 11Description
TRUEnever evaluated
FALSEnever evaluated
0
139 &mode->vsync_end,
sscanf(text.co..., vsync) != 11Description
TRUEnever evaluated
FALSEnever evaluated
0
140 &mode->vtotal, hsync, vsync) != 11)
sscanf(text.co..., vsync) != 11Description
TRUEnever evaluated
FALSEnever evaluated
0
141 return false;
never executed: return false;
0
142-
143 mode->clock = fclock * 1000;-
144-
145 if (strcmp(hsync, "+hsync") == 0)
strcmp(hsync, "+hsync") == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
146 mode->flags |= DRM_MODE_FLAG_PHSYNC;
never executed: mode->flags |= (1<<0);
0
147 else if (strcmp(hsync, "-hsync") == 0)
strcmp(hsync, "-hsync") == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
148 mode->flags |= DRM_MODE_FLAG_NHSYNC;
never executed: mode->flags |= (1<<1);
0
149 else-
150 return false;
never executed: return false;
0
151-
152 if (strcmp(vsync, "+vsync") == 0)
strcmp(vsync, "+vsync") == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
153 mode->flags |= DRM_MODE_FLAG_PVSYNC;
never executed: mode->flags |= (1<<2);
0
154 else if (strcmp(vsync, "-vsync") == 0)
strcmp(vsync, "-vsync") == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
155 mode->flags |= DRM_MODE_FLAG_NVSYNC;
never executed: mode->flags |= (1<<3);
0
156 else-
157 return false;
never executed: return false;
0
158-
159 return true;
never executed: return true;
0
160}-
161-
162QEglFSKmsScreen *QEglFSKmsDevice::screenForConnector(drmModeResPtr resources, drmModeConnectorPtr connector, QPoint pos)-
163{-
164 const QByteArray connectorName = nameForConnector(connector);-
165-
166 const int crtc = crtcForConnector(resources, connector);-
167 if (crtc < 0) {
crtc < 0Description
TRUEnever evaluated
FALSEnever evaluated
0
168 qWarning() << "No usable crtc/encoder pair for connector" << connectorName;-
169 return Q_NULLPTR;
never executed: return nullptr;
0
170 }-
171-
172 OutputConfiguration configuration;-
173 QSize configurationSize;-
174 drmModeModeInfo configurationModeline;-
175-
176 const QByteArray mode = m_integration->outputSettings().value(QString::fromUtf8(connectorName))-
177 .value(QStringLiteral("mode"), QStringLiteral("preferred")).toByteArray().toLower();
never executed: return qstring_literal_temp;
never executed: return qstring_literal_temp;
0
178 if (mode == "off") {
mode == "off"Description
TRUEnever evaluated
FALSEnever evaluated
0
179 configuration = OutputConfigOff;-
180 } else if (mode == "preferred") {
never executed: end of block
mode == "preferred"Description
TRUEnever evaluated
FALSEnever evaluated
0
181 configuration = OutputConfigPreferred;-
182 } else if (mode == "current") {
never executed: end of block
mode == "current"Description
TRUEnever evaluated
FALSEnever evaluated
0
183 configuration = OutputConfigCurrent;-
184 } else if (sscanf(mode.constData(), "%dx%d", &configurationSize.rwidth(), &configurationSize.rheight()) == 2) {
never executed: end of block
sscanf(mode.co...height()) == 2Description
TRUEnever evaluated
FALSEnever evaluated
0
185 configuration = OutputConfigMode;-
186 } else if (parseModeline(mode, &configurationModeline)) {
never executed: end of block
parseModeline(...ationModeline)Description
TRUEnever evaluated
FALSEnever evaluated
0
187 configuration = OutputConfigModeline;-
188 } else {
never executed: end of block
0
189 qWarning("Invalid mode \"%s\" for output %s", mode.constData(), connectorName.constData());-
190 configuration = OutputConfigPreferred;-
191 }
never executed: end of block
0
192-
193 const uint32_t crtc_id = resources->crtcs[crtc];-
194-
195 if (configuration == OutputConfigOff) {
configuration ...utputConfigOffDescription
TRUEnever evaluated
FALSEnever evaluated
0
196 qCDebug(qLcEglfsKmsDebug) << "Turning off output" << connectorName;
never executed: QMessageLogger(__FILE__, 196, __PRETTY_FUNCTION__, qLcEglfsKmsDebug().categoryName()).debug() << "Turning off output" << connectorName;
qt_category_enabledDescription
TRUEnever evaluated
FALSEnever evaluated
0
197 drmModeSetCrtc(m_dri_fd, crtc_id, 0, 0, 0, 0, 0, Q_NULLPTR);-
198 return Q_NULLPTR;
never executed: return nullptr;
0
199 }-
200-
201 // Skip disconnected output-
202 if (configuration == OutputConfigPreferred && connector->connection == DRM_MODE_DISCONNECTED) {
configuration ...onfigPreferredDescription
TRUEnever evaluated
FALSEnever evaluated
connector->con...E_DISCONNECTEDDescription
TRUEnever evaluated
FALSEnever evaluated
0
203 qCDebug(qLcEglfsKmsDebug) << "Skipping disconnected output" << connectorName;
never executed: QMessageLogger(__FILE__, 203, __PRETTY_FUNCTION__, qLcEglfsKmsDebug().categoryName()).debug() << "Skipping disconnected output" << connectorName;
qt_category_enabledDescription
TRUEnever evaluated
FALSEnever evaluated
0
204 return Q_NULLPTR;
never executed: return nullptr;
0
205 }-
206-
207 // Get the current mode on the current crtc-
208 drmModeModeInfo crtc_mode;-
209 memset(&crtc_mode, 0, sizeof crtc_mode);-
210 if (drmModeEncoderPtr encoder = drmModeGetEncoder(m_dri_fd, connector->connector_id)) {
drmModeEncoder...>connector_id)Description
TRUEnever evaluated
FALSEnever evaluated
0
211 drmModeCrtcPtr crtc = drmModeGetCrtc(m_dri_fd, encoder->crtc_id);-
212 drmModeFreeEncoder(encoder);-
213-
214 if (!crtc)
!crtcDescription
TRUEnever evaluated
FALSEnever evaluated
0
215 return Q_NULLPTR;
never executed: return nullptr;
0
216-
217 if (crtc->mode_valid)
crtc->mode_validDescription
TRUEnever evaluated
FALSEnever evaluated
0
218 crtc_mode = crtc->mode;
never executed: crtc_mode = crtc->mode;
0
219-
220 drmModeFreeCrtc(crtc);-
221 }
never executed: end of block
0
222-
223 QList<drmModeModeInfo> modes;-
224 modes.reserve(connector->count_modes);-
225 qCDebug(qLcEglfsKmsDebug) << connectorName << "mode count:" << connector->count_modes;
never executed: QMessageLogger(__FILE__, 225, __PRETTY_FUNCTION__, qLcEglfsKmsDebug().categoryName()).debug() << connectorName << "mode count:" << connector->count_modes;
qt_category_enabledDescription
TRUEnever evaluated
FALSEnever evaluated
0
226 for (int i = 0; i < connector->count_modes; i++) {
i < connector->count_modesDescription
TRUEnever evaluated
FALSEnever evaluated
0
227 const drmModeModeInfo &mode = connector->modes[i];-
228 qCDebug(qLcEglfsKmsDebug) << "mode" << i << mode.hdisplay << "x" << mode.vdisplay
never executed: QMessageLogger(__FILE__, 228, __PRETTY_FUNCTION__, qLcEglfsKmsDebug().categoryName()).debug() << "mode" << i << mode.hdisplay << "x" << mode.vdisplay << '@' << mode.vrefresh << "hz";
qt_category_enabledDescription
TRUEnever evaluated
FALSEnever evaluated
0
229 << '@' << mode.vrefresh << "hz";
never executed: QMessageLogger(__FILE__, 228, __PRETTY_FUNCTION__, qLcEglfsKmsDebug().categoryName()).debug() << "mode" << i << mode.hdisplay << "x" << mode.vdisplay << '@' << mode.vrefresh << "hz";
0
230 modes << connector->modes[i];-
231 }
never executed: end of block
0
232-
233 int preferred = -1;-
234 int current = -1;-
235 int configured = -1;-
236 int best = -1;-
237-
238 for (int i = modes.size() - 1; i >= 0; i--) {
i >= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
239 const drmModeModeInfo &m = modes.at(i);-
240-
241 if (configuration == OutputConfigMode &&
configuration ...tputConfigModeDescription
TRUEnever evaluated
FALSEnever evaluated
0
242 m.hdisplay == configurationSize.width() &&
m.hdisplay == ...onSize.width()Description
TRUEnever evaluated
FALSEnever evaluated
0
243 m.vdisplay == configurationSize.height()) {
m.vdisplay == ...nSize.height()Description
TRUEnever evaluated
FALSEnever evaluated
0
244 configured = i;-
245 }
never executed: end of block
0
246-
247 if (!memcmp(&crtc_mode, &m, sizeof m))
!memcmp(&crtc_... &m, sizeof m)Description
TRUEnever evaluated
FALSEnever evaluated
0
248 current = i;
never executed: current = i;
0
249-
250 if (m.type & DRM_MODE_TYPE_PREFERRED)
m.type & (1<<3)Description
TRUEnever evaluated
FALSEnever evaluated
0
251 preferred = i;
never executed: preferred = i;
0
252-
253 best = i;-
254 }
never executed: end of block
0
255-
256 if (configuration == OutputConfigModeline) {
configuration ...ConfigModelineDescription
TRUEnever evaluated
FALSEnever evaluated
0
257 modes << configurationModeline;-
258 configured = modes.size() - 1;-
259 }
never executed: end of block
0
260-
261 if (current < 0 && crtc_mode.clock != 0) {
current < 0Description
TRUEnever evaluated
FALSEnever evaluated
crtc_mode.clock != 0Description
TRUEnever evaluated
FALSEnever evaluated
0
262 modes << crtc_mode;-
263 current = mode.size() - 1;-
264 }
never executed: end of block
0
265-
266 if (configuration == OutputConfigCurrent)
configuration ...tConfigCurrentDescription
TRUEnever evaluated
FALSEnever evaluated
0
267 configured = current;
never executed: configured = current;
0
268-
269 int selected_mode = -1;-
270-
271 if (configured >= 0)
configured >= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
272 selected_mode = configured;
never executed: selected_mode = configured;
0
273 else if (preferred >= 0)
preferred >= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
274 selected_mode = preferred;
never executed: selected_mode = preferred;
0
275 else if (current >= 0)
current >= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
276 selected_mode = current;
never executed: selected_mode = current;
0
277 else if (best >= 0)
best >= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
278 selected_mode = best;
never executed: selected_mode = best;
0
279-
280 if (selected_mode < 0) {
selected_mode < 0Description
TRUEnever evaluated
FALSEnever evaluated
0
281 qWarning() << "No modes available for output" << connectorName;-
282 return Q_NULLPTR;
never executed: return nullptr;
0
283 } else {-
284 int width = modes[selected_mode].hdisplay;-
285 int height = modes[selected_mode].vdisplay;-
286 int refresh = modes[selected_mode].vrefresh;-
287 qCDebug(qLcEglfsKmsDebug) << "Selected mode" << selected_mode << ":" << width << "x" << height
never executed: QMessageLogger(__FILE__, 287, __PRETTY_FUNCTION__, qLcEglfsKmsDebug().categoryName()).debug() << "Selected mode" << selected_mode << ":" << width << "x" << height << '@' << refresh << "hz for output" << connectorName;
qt_category_enabledDescription
TRUEnever evaluated
FALSEnever evaluated
0
288 << '@' << refresh << "hz for output" << connectorName;
never executed: QMessageLogger(__FILE__, 287, __PRETTY_FUNCTION__, qLcEglfsKmsDebug().categoryName()).debug() << "Selected mode" << selected_mode << ":" << width << "x" << height << '@' << refresh << "hz for output" << connectorName;
0
289 }
never executed: end of block
0
290 static const int width = qEnvironmentVariableIntValue("QT_QPA_EGLFS_PHYSICAL_WIDTH");-
291 static const int height = qEnvironmentVariableIntValue("QT_QPA_EGLFS_PHYSICAL_HEIGHT");-
292 QSizeF size(width, height);-
293 if (size.isEmpty()) {
size.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
294 size.setWidth(connector->mmWidth);-
295 size.setHeight(connector->mmHeight);-
296 }
never executed: end of block
0
297 QEglFSKmsOutput output = {-
298 QString::fromUtf8(connectorName),-
299 connector->connector_id,-
300 crtc_id,-
301 size,-
302 selected_mode,-
303 false,-
304 drmModeGetCrtc(m_dri_fd, crtc_id),-
305 modes,-
306 connector->subpixel,-
307 connectorProperty(connector, QByteArrayLiteral("DPMS"))
never executed: return ba;
0
308 };-
309-
310 m_crtc_allocator |= (1 << output.crtc_id);-
311 m_connector_allocator |= (1 << output.connector_id);-
312-
313 return createScreen(m_integration, this, output, pos);
never executed: return createScreen(m_integration, this, output, pos);
0
314}-
315-
316drmModePropertyPtr QEglFSKmsDevice::connectorProperty(drmModeConnectorPtr connector, const QByteArray &name)-
317{-
318 drmModePropertyPtr prop;-
319-
320 for (int i = 0; i < connector->count_props; i++) {
i < connector->count_propsDescription
TRUEnever evaluated
FALSEnever evaluated
0
321 prop = drmModeGetProperty(m_dri_fd, connector->props[i]);-
322 if (!prop)
!propDescription
TRUEnever evaluated
FALSEnever evaluated
0
323 continue;
never executed: continue;
0
324 if (strcmp(prop->name, name.constData()) == 0)
strcmp(prop->n...stData()) == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
325 return prop;
never executed: return prop;
0
326 drmModeFreeProperty(prop);-
327 }
never executed: end of block
0
328-
329 return Q_NULLPTR;
never executed: return nullptr;
0
330}-
331-
332QEglFSKmsDevice::QEglFSKmsDevice(QEglFSKmsIntegration *integration, const QString &path)-
333 : m_integration(integration)-
334 , m_path(path)-
335 , m_dri_fd(-1)-
336 , m_crtc_allocator(0)-
337 , m_connector_allocator(0)-
338{-
339}
never executed: end of block
0
340-
341QEglFSKmsDevice::~QEglFSKmsDevice()-
342{-
343}-
344-
345void QEglFSKmsDevice::createScreens()-
346{-
347 drmModeResPtr resources = drmModeGetResources(m_dri_fd);-
348 if (!resources) {
!resourcesDescription
TRUEnever evaluated
FALSEnever evaluated
0
349 qWarning("drmModeGetResources failed");-
350 return;
never executed: return;
0
351 }-
352-
353 QEglFSKmsScreen *primaryScreen = Q_NULLPTR;-
354 QList<QPlatformScreen *> siblings;-
355 QPoint pos(0, 0);-
356 QEglFSIntegration *integration = static_cast<QEglFSIntegration *>(QGuiApplicationPrivate::platformIntegration());-
357-
358 for (int i = 0; i < resources->count_connectors; i++) {
i < resources-...unt_connectorsDescription
TRUEnever evaluated
FALSEnever evaluated
0
359 drmModeConnectorPtr connector = drmModeGetConnector(m_dri_fd, resources->connectors[i]);-
360 if (!connector)
!connectorDescription
TRUEnever evaluated
FALSEnever evaluated
0
361 continue;
never executed: continue;
0
362-
363 QEglFSKmsScreen *screen = screenForConnector(resources, connector, pos);-
364 if (screen) {
screenDescription
TRUEnever evaluated
FALSEnever evaluated
0
365 integration->addScreen(screen);-
366 pos.rx() += screen->geometry().width();-
367 siblings << screen;-
368-
369 if (!primaryScreen)
!primaryScreenDescription
TRUEnever evaluated
FALSEnever evaluated
0
370 primaryScreen = screen;
never executed: primaryScreen = screen;
0
371 }
never executed: end of block
0
372-
373 drmModeFreeConnector(connector);-
374 }
never executed: end of block
0
375-
376 drmModeFreeResources(resources);-
377-
378 if (!m_integration->separateScreens()) {
!m_integration...arateScreens()Description
TRUEnever evaluated
FALSEnever evaluated
0
379 Q_FOREACH (QPlatformScreen *screen, siblings)-
380 static_cast<QEglFSKmsScreen *>(screen)->setVirtualSiblings(siblings);
never executed: static_cast<QEglFSKmsScreen *>(screen)->setVirtualSiblings(siblings);
0
381 }
never executed: end of block
0
382}
never executed: end of block
0
383-
384int QEglFSKmsDevice::fd() const-
385{-
386 return m_dri_fd;
never executed: return m_dri_fd;
0
387}-
388-
389QString QEglFSKmsDevice::devicePath() const-
390{-
391 return m_path;
never executed: return m_path;
0
392}-
393-
394QEglFSKmsScreen *QEglFSKmsDevice::createScreen(QEglFSKmsIntegration *integration, QEglFSKmsDevice *device, QEglFSKmsOutput output, QPoint position)-
395{-
396 return new QEglFSKmsScreen(integration, device, output, position);
never executed: return new QEglFSKmsScreen(integration, device, output, position);
0
397}-
398-
399void QEglFSKmsDevice::setFd(int fd)-
400{-
401 m_dri_fd = fd;-
402}
never executed: end of block
0
403-
404QT_END_NAMESPACE-
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