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wayland: Generate valid output uuids

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Currently, kwin generates invalid output uuids.
This commit is contained in:
Vlad Zahorodnii 2021-04-06 23:08:02 +03:00
parent d419729331
commit 24d865ea38
13 changed files with 31 additions and 34 deletions
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4
src/abstract_output.cpp
View file

@ -83,9 +83,9 @@ AbstractOutput::~AbstractOutput()
{
}
QString AbstractOutput::uuid() const
QUuid AbstractOutput::uuid() const
{
return QString();
return QUuid();
}
bool AbstractOutput::isEnabled() const

3
src/abstract_output.h
View file

@ -15,6 +15,7 @@
#include <QObject>
#include <QRect>
#include <QSize>
#include <QUuid>
#include <QVector>
namespace KWaylandServer
@ -102,7 +103,7 @@ public:
*
* Default implementation returns an empty byte array.
*/
virtual QString uuid() const;
virtual QUuid uuid() const;
/**
* Returns @c true if the output is enabled; otherwise returns @c false.

16
src/abstract_wayland_output.cpp
View file

@ -45,7 +45,7 @@ QString AbstractWaylandOutput::name() const
return m_name;
}
QString AbstractWaylandOutput::uuid() const
QUuid AbstractWaylandOutput::uuid() const
{
return m_uuid;
}
@ -211,9 +211,19 @@ void AbstractWaylandOutput::setCurrentModeInternal(const QSize &size, int refres
}
}
static QUuid generateOutputId(const QString &eisaId, const QString &model,
const QString &serialNumber, const QString &name)
{
static const QUuid urlNs = QUuid("6ba7b811-9dad-11d1-80b4-00c04fd430c8"); // NameSpace_URL
static const QUuid kwinNs = QUuid::createUuidV5(urlNs, QStringLiteral("https://kwin.kde.org/o/"));
const QString payload = QStringList{name, eisaId, model, serialNumber}.join(':');
return QUuid::createUuidV5(kwinNs, payload);
}
void AbstractWaylandOutput::initialize(const QString &model, const QString &manufacturer,
const QString &eisaId, const QString &serialNumber,
const QString &uuid, const QSize &physicalSize,
const QSize &physicalSize,
const QVector<Mode> &modes, const QByteArray &edid)
{
m_serialNumber = serialNumber;
@ -221,9 +231,9 @@ void AbstractWaylandOutput::initialize(const QString &model, const QString &manu
m_manufacturer = manufacturer.isEmpty() ? i18n("unknown") : manufacturer;
m_model = model;
m_physicalSize = physicalSize;
m_uuid = uuid;
m_edid = edid;
m_modes = modes;
m_uuid = generateOutputId(m_eisaId, m_model, m_serialNumber, m_name);
for (const Mode &mode : modes) {
if (mode.flags & ModeFlag::Current) {

6
src/abstract_wayland_output.h
View file

@ -80,7 +80,7 @@ public:
explicit AbstractWaylandOutput(QObject *parent = nullptr);
QString name() const override;
QString uuid() const override;
QUuid uuid() const override;
QSize modeSize() const;
@ -148,7 +148,7 @@ Q_SIGNALS:
protected:
void initialize(const QString &model, const QString &manufacturer,
const QString &eisaId, const QString &serialNumber,
const QString &uuid, const QSize &physicalSize,
const QSize &physicalSize,
const QVector<Mode> &modes, const QByteArray &edid);
QPoint globalPos() const;
@ -187,7 +187,7 @@ private:
QString m_manufacturer;
QString m_model;
QString m_serialNumber;
QString m_uuid;
QUuid m_uuid;
QSize m_modeSize;
QSize m_physicalSize;
QPoint m_position;

2
src/platform.cpp
View file

@ -169,7 +169,7 @@ AbstractOutput *Platform::findOutput(int screenId)
return enabledOutputs().value(screenId);
}
AbstractOutput *Platform::findOutput(const QString &uuid)
AbstractOutput *Platform::findOutput(const QUuid &uuid)
{
const auto outs = outputs();
auto it = std::find_if(outs.constBegin(), outs.constEnd(),

2
src/platform.h
View file

@ -429,7 +429,7 @@ public:
return Outputs();
}
AbstractOutput *findOutput(int screenId);
AbstractOutput *findOutput(const QString &uuid);
AbstractOutput *findOutput(const QUuid &uuid);
/**
* A string of information to include in kwin debug output

8
src/plugins/platforms/drm/drm_backend.cpp
View file

@ -372,7 +372,7 @@ void DrmBackend::readOutputsConfiguration()
QPoint pos(0, 0);
for (auto it = m_outputs.begin(); it != m_outputs.end(); ++it) {
qCDebug(KWIN_DRM) << "Reading output configuration for [" << uuid << "] ["<< (*it)->uuid() << "]";
const auto outputConfig = configGroup.group((*it)->uuid());
const auto outputConfig = configGroup.group((*it)->uuid().toString(QUuid::WithoutBraces));
(*it)->setGlobalPos(outputConfig.readEntry<QPoint>("Position", pos));
if (outputConfig.hasKey("Scale"))
(*it)->setScale(outputConfig.readEntry("Scale", 1.0));
@ -404,7 +404,7 @@ void DrmBackend::writeOutputsConfiguration()
// default position goes from left to right
for (auto it = m_outputs.cbegin(); it != m_outputs.cend(); ++it) {
qCDebug(KWIN_DRM) << "Writing output configuration for [" << uuid << "] ["<< (*it)->uuid() << "]";
auto outputConfig = configGroup.group((*it)->uuid());
auto outputConfig = configGroup.group((*it)->uuid().toString(QUuid::WithoutBraces));
outputConfig.writeEntry("Scale", (*it)->scale());
outputConfig.writeEntry("Transform", transformToString((*it)->transform()));
QString mode;
@ -422,11 +422,11 @@ QString DrmBackend::generateOutputConfigurationUuid() const
auto it = m_outputs.constBegin();
if (m_outputs.size() == 1) {
// special case: one output
return (*it)->uuid();
return (*it)->uuid().toString(QUuid::WithoutBraces);
}
QCryptographicHash hash(QCryptographicHash::Md5);
for (const DrmOutput *output: qAsConst(m_outputs)) {
hash.addData(output->uuid().toLocal8Bit());
hash.addData(output->uuid().toByteArray());
}
return QString::fromLocal8Bit(hash.result().toHex().left(10));
}

15
src/plugins/platforms/drm/drm_output.cpp
View file

@ -207,7 +207,6 @@ static AbstractWaylandOutput::SubPixel drmSubPixelToKWinSubPixel(drmModeSubPixel
bool DrmOutput::init(drmModeConnector *connector)
{
initUuid();
if (m_gpu->atomicModeSetting() && !m_primaryPlane) {
return false;
}
@ -226,16 +225,6 @@ bool DrmOutput::init(drmModeConnector *connector)
return true;
}
void DrmOutput::initUuid()
{
QCryptographicHash hash(QCryptographicHash::Md5);
hash.addData(QByteArray::number(m_conn->id()));
hash.addData(m_conn->edid()->eisaId());
hash.addData(m_conn->edid()->monitorName());
hash.addData(m_conn->edid()->serialNumber());
m_uuid = hash.result().toHex().left(10);
}
void DrmOutput::initOutputDevice(drmModeConnector *connector)
{
// read in mode information
@ -263,7 +252,7 @@ void DrmOutput::initOutputDevice(drmModeConnector *connector)
setName(m_conn->connectorName());
initialize(m_conn->modelName(), m_conn->edid()->manufacturerString(),
m_conn->edid()->eisaId(), m_conn->edid()->serialNumber(),
m_uuid, m_conn->physicalSize(), modes, m_conn->edid()->raw());
m_conn->physicalSize(), modes, m_conn->edid()->raw());
}
bool DrmOutput::isCurrentMode(const drmModeModeInfo *mode) const
@ -517,7 +506,7 @@ void DrmOutput::updateMode(uint32_t width, uint32_t height, uint32_t refreshRate
}
}
qCWarning(KWIN_DRM, "Could not find a fitting mode with size=%dx%d and refresh rate %d for output %s",
width, height, refreshRate, uuid().constData());
width, height, refreshRate, qPrintable(name()));
}
void DrmOutput::updateMode(int modeIndex)

2
src/plugins/platforms/drm/drm_output.h
View file

@ -107,7 +107,6 @@ private:
void initOutputDevice(drmModeConnector *connector);
bool isCurrentMode(const drmModeModeInfo *mode) const;
void initUuid();
void atomicEnable();
void atomicDisable();
@ -137,7 +136,6 @@ private:
bool m_lastGbm = false;
drmModeModeInfo m_mode;
DpmsMode m_dpmsModePending = DpmsMode::On;
QByteArray m_uuid;
RenderLoop *m_renderLoop;
uint32_t m_blobId = 0;

2
src/plugins/platforms/fbdev/fb_backend.cpp
View file

@ -70,7 +70,7 @@ void FramebufferOutput::init(const QSize &pixelSize, const QSize &physicalSize)
mode.size = pixelSize;
mode.flags = ModeFlag::Current;
mode.refreshRate = refreshRate;
initialize("model_TODO", "manufacturer_TODO", "eisa_TODO", "serial_TODO", "UUID_TODO", physicalSize, { mode }, {});
initialize("model_TODO", "manufacturer_TODO", "eisa_TODO", "serial_TODO", physicalSize, { mode }, {});
}
void FramebufferOutput::vblank(std::chrono::nanoseconds timestamp)

1
src/plugins/platforms/virtual/virtual_output.cpp
View file

@ -57,7 +57,6 @@ void VirtualOutput::init(const QPoint &logicalPosition, const QSize &pixelSize)
QByteArray("manufacturer_").append(QByteArray::number(m_identifier)),
QByteArray("eisa_").append(QByteArray::number(m_identifier)),
QByteArray("serial_").append(QByteArray::number(m_identifier)),
QByteArray("UUID_").append(QByteArray::number(m_identifier)),
pixelSize, { mode }, QByteArray("EDID_").append(QByteArray::number(m_identifier)));
setGeometry(QRect(logicalPosition, pixelSize));
}

2
src/plugins/platforms/wayland/wayland_output.cpp
View file

@ -62,7 +62,7 @@ void WaylandOutput::init(const QPoint &logicalPosition, const QSize &pixelSize)
mode.size = pixelSize;
mode.flags = ModeFlag::Current;
mode.refreshRate = refreshRate;
initialize("model_TODO", "manufacturer_TODO", "eisa_TODO", "serial_TODO", "UUID_TODO", pixelSize, { mode }, {});
initialize("model_TODO", "manufacturer_TODO", "eisa_TODO", "serial_TODO", pixelSize, { mode }, {});
setGeometry(logicalPosition, pixelSize);
setScale(backend()->initialOutputScale());
}

2
src/plugins/platforms/x11/windowed/x11windowed_output.cpp
View file

@ -70,7 +70,7 @@ void X11WindowedOutput::init(const QPoint &logicalPosition, const QSize &pixelSi
// Physicial size must be adjusted, such that QPA calculates correct sizes of
// internal elements.
const QSize physicalSize = pixelSize / 96.0 * 25.4 / m_backend->initialOutputScale();
initialize("model_TODO", "manufacturer_TODO", "eisa_TODO", "serial_TODO", "UUID_TODO", physicalSize, { mode }, {});
initialize("model_TODO", "manufacturer_TODO", "eisa_TODO", "serial_TODO", physicalSize, { mode }, {});
setGeometry(logicalPosition, pixelSize);
setScale(m_backend->initialOutputScale());