diff --git a/plugins/platforms/drm/drm_backend.cpp b/plugins/platforms/drm/drm_backend.cpp index b9b665bbd..cc79aca1d 100644 --- a/plugins/platforms/drm/drm_backend.cpp +++ b/plugins/platforms/drm/drm_backend.cpp @@ -1,726 +1,727 @@ /******************************************************************** KWin - the KDE window manager This file is part of the KDE project. Copyright (C) 2015 Martin Gräßlin This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . *********************************************************************/ #include "drm_backend.h" #include "drm_output.h" #include "drm_object_connector.h" #include "drm_object_crtc.h" #include "drm_object_plane.h" #include "composite.h" #include "cursor.h" #include "logging.h" #include "logind.h" #include "main.h" #include "scene_qpainter_drm_backend.h" #include "screens_drm.h" #include "udev.h" #include "wayland_server.h" #if HAVE_GBM #include "egl_gbm_backend.h" #include #endif // KWayland #include #include // KF5 #include #include #include // Qt #include #include #include // system #include // drm #include #include #include #ifndef DRM_CAP_CURSOR_WIDTH #define DRM_CAP_CURSOR_WIDTH 0x8 #endif #ifndef DRM_CAP_CURSOR_HEIGHT #define DRM_CAP_CURSOR_HEIGHT 0x9 #endif #define KWIN_DRM_EVENT_CONTEXT_VERSION 2 namespace KWin { DrmBackend::DrmBackend(QObject *parent) : Platform(parent) , m_udev(new Udev) , m_udevMonitor(m_udev->monitor()) , m_dpmsFilter() { handleOutputs(); m_cursor[0] = nullptr; m_cursor[1] = nullptr; } DrmBackend::~DrmBackend() { #if HAVE_GBM if (m_gbmDevice) { gbm_device_destroy(m_gbmDevice); } #endif if (m_fd >= 0) { // wait for pageflips while (m_pageFlipsPending != 0) { QCoreApplication::processEvents(QEventLoop::WaitForMoreEvents); } - qDeleteAll(m_planes); qDeleteAll(m_outputs); + qDeleteAll(m_planes); + qDeleteAll(m_crtcs); + qDeleteAll(m_connectors); delete m_cursor[0]; delete m_cursor[1]; close(m_fd); } } void DrmBackend::init() { LogindIntegration *logind = LogindIntegration::self(); auto takeControl = [logind, this]() { if (logind->hasSessionControl()) { openDrm(); } else { logind->takeControl(); connect(logind, &LogindIntegration::hasSessionControlChanged, this, &DrmBackend::openDrm); } }; if (logind->isConnected()) { takeControl(); } else { connect(logind, &LogindIntegration::connectedChanged, this, takeControl); } } void DrmBackend::outputWentOff() { if (!m_dpmsFilter.isNull()) { // already another output is off return; } m_dpmsFilter.reset(new DpmsInputEventFilter(this)); input()->prependInputEventFilter(m_dpmsFilter.data()); } void DrmBackend::turnOutputsOn() { m_dpmsFilter.reset(); for (auto it = m_outputs.constBegin(), end = m_outputs.constEnd(); it != end; it++) { (*it)->setDpms(DrmOutput::DpmsMode::On); } } void DrmBackend::checkOutputsAreOn() { if (m_dpmsFilter.isNull()) { // already disabled, all outputs are on return; } for (auto it = m_outputs.constBegin(), end = m_outputs.constEnd(); it != end; it++) { if (!(*it)->isDpmsEnabled()) { // dpms still disabled, need to keep the filter return; } } // all outputs are on, disable the filter m_dpmsFilter.reset(); } void DrmBackend::activate(bool active) { if (active) { reactivate(); } else { deactivate(); } } void DrmBackend::reactivate() { if (m_active) { return; } m_active = true; if (!usesSoftwareCursor()) { DrmBuffer *c = m_cursor[(m_cursorIndex + 1) % 2]; const QPoint cp = Cursor::pos() - softwareCursorHotspot(); for (auto it = m_outputs.constBegin(); it != m_outputs.constEnd(); ++it) { DrmOutput *o = *it; o->pageFlipped(); - o->blank(); + o->m_crtc->blank(); o->showCursor(c); o->moveCursor(cp); } } // restart compositor m_pageFlipsPending = 0; if (Compositor *compositor = Compositor::self()) { compositor->bufferSwapComplete(); compositor->addRepaintFull(); } } void DrmBackend::deactivate() { if (!m_active) { return; } // block compositor if (m_pageFlipsPending == 0 && Compositor::self()) { Compositor::self()->aboutToSwapBuffers(); } // hide cursor and disable for (auto it = m_outputs.constBegin(); it != m_outputs.constEnd(); ++it) { DrmOutput *o = *it; o->hideCursor(); - o->restoreSaved(); } m_active = false; } void DrmBackend::pageFlipHandler(int fd, unsigned int frame, unsigned int sec, unsigned int usec, void *data) { Q_UNUSED(fd) Q_UNUSED(frame) Q_UNUSED(sec) Q_UNUSED(usec) auto output = reinterpret_cast(data); output->pageFlipped(); output->m_backend->m_pageFlipsPending--; if (output->m_backend->m_pageFlipsPending == 0) { // TODO: improve, this currently means we wait for all page flips or all outputs. // It would be better to driver the repaint per output if (Compositor::self()) { Compositor::self()->bufferSwapComplete(); } } } void DrmBackend::openDrm() { connect(LogindIntegration::self(), &LogindIntegration::sessionActiveChanged, this, &DrmBackend::activate); UdevDevice::Ptr device = m_udev->primaryGpu(); if (!device) { qCWarning(KWIN_DRM) << "Did not find a GPU"; return; } int fd = LogindIntegration::self()->takeDevice(device->devNode()); if (fd < 0) { qCWarning(KWIN_DRM) << "failed to open drm device at" << device->devNode(); return; } m_fd = fd; m_active = true; QSocketNotifier *notifier = new QSocketNotifier(m_fd, QSocketNotifier::Read, this); connect(notifier, &QSocketNotifier::activated, this, [this] { if (!LogindIntegration::self()->isActiveSession()) { return; } drmEventContext e; memset(&e, 0, sizeof e); e.version = KWIN_DRM_EVENT_CONTEXT_VERSION; e.page_flip_handler = pageFlipHandler; drmHandleEvent(m_fd, &e); } ); m_drmId = device->sysNum(); // trying to activate Atomic Mode Setting (this means also Universal Planes) if (qEnvironmentVariableIsSet("KWIN_DRM_AMS")) { if (drmSetClientCap(m_fd, DRM_CLIENT_CAP_ATOMIC, 1) == 0) { qCDebug(KWIN_DRM) << "Using Atomic Mode Setting."; m_atomicModeSetting = true; ScopedDrmPointer planeResources(drmModeGetPlaneResources(m_fd)); if (!planeResources) { qCWarning(KWIN_DRM) << "Failed to get plane resources. Falling back to legacy mode"; m_atomicModeSetting = false; } if (m_atomicModeSetting) { qCDebug(KWIN_DRM) << "Number of planes:" << planeResources->count_planes; // create the plane objects for (unsigned int i = 0; i < planeResources->count_planes; ++i) { drmModePlane *kplane = drmModeGetPlane(m_fd, planeResources->planes[i]); DrmPlane *p = new DrmPlane(kplane->plane_id, m_fd); if (p->init()) { p->setPossibleCrtcs(kplane->possible_crtcs); p->setFormats(kplane->formats, kplane->count_formats); m_planes << p; } else { delete p; } } if (m_planes.isEmpty()) { qCWarning(KWIN_DRM) << "Failed to create any plane. Falling back to legacy mode"; m_atomicModeSetting = false; } } } else { qCWarning(KWIN_DRM) << "drmSetClientCap for Atomic Mode Setting failed. Using legacy mode."; } } + ScopedDrmPointer<_drmModeRes, &drmModeFreeResources> resources(drmModeGetResources(m_fd)); + drmModeRes *res = resources.data(); + if (!resources) { + qCWarning(KWIN_DRM) << "drmModeGetResources failed"; + return; + } + + for (int i = 0; i < res->count_connectors; ++i) { + m_connectors << new DrmConnector(res->connectors[i], m_fd); + } + for (int i = 0; i < res->count_crtcs; ++i) { + m_crtcs << new DrmCrtc(res->crtcs[i], m_fd, i); + } + + if (m_atomicModeSetting) { + auto tryInit = [] (DrmObject *o) -> bool { + if (o->init()) { + return false; + } else { + delete o; + return true; + } + }; + m_connectors.erase(std::remove_if(m_connectors.begin(), m_connectors.end(), tryInit), m_connectors.end()); + m_crtcs.erase(std::remove_if(m_crtcs.begin(), m_crtcs.end(), tryInit), m_crtcs.end()); + } + queryResources(); + if (m_outputs.isEmpty()) { qCWarning(KWIN_DRM) << "No outputs, cannot render, will terminate now"; emit initFailed(); return; } // setup udevMonitor if (m_udevMonitor) { m_udevMonitor->filterSubsystemDevType("drm"); const int fd = m_udevMonitor->fd(); if (fd != -1) { QSocketNotifier *notifier = new QSocketNotifier(fd, QSocketNotifier::Read, this); connect(notifier, &QSocketNotifier::activated, this, [this] { auto device = m_udevMonitor->getDevice(); if (!device) { return; } if (device->sysNum() != m_drmId) { return; } if (device->hasProperty("HOTPLUG", "1")) { qCDebug(KWIN_DRM) << "Received hot plug event for monitored drm device"; queryResources(); m_cursorIndex = (m_cursorIndex + 1) % 2; updateCursor(); } } ); m_udevMonitor->enable(); } } setReady(true); initCursor(); } void DrmBackend::queryResources() { if (m_fd < 0) { return; } + ScopedDrmPointer<_drmModeRes, &drmModeFreeResources> resources(drmModeGetResources(m_fd)); if (!resources) { qCWarning(KWIN_DRM) << "drmModeGetResources failed"; return; } QVector connectedOutputs; - for (int i = 0; i < resources->count_connectors; ++i) { - const auto id = resources->connectors[i]; - ScopedDrmPointer<_drmModeConnector, &drmModeFreeConnector> connector(drmModeGetConnector(m_fd, id)); - if (!connector) { - continue; - } - if (connector->connection != DRM_MODE_CONNECTED) { - continue; - } - if (connector->count_modes == 0) { - continue; - } - if (DrmOutput *o = findOutput(connector->connector_id)) { - connectedOutputs << o; - continue; - } - bool crtcFound = false; - const quint32 crtcId = findCrtc(resources.data(), connector.data(), &crtcFound); - if (!crtcFound) { - continue; - } - ScopedDrmPointer<_drmModeCrtc, &drmModeFreeCrtc> crtc(drmModeGetCrtc(m_fd, crtcId)); - if (!crtc) { - continue; - } - DrmOutput *drmOutput = new DrmOutput(this); - connect(drmOutput, &DrmOutput::dpmsChanged, this, &DrmBackend::outputDpmsChanged); - drmOutput->m_crtcId = crtcId; - drmOutput->m_connector = connector->connector_id; - - if (m_atomicModeSetting) { - drmOutput->m_crtc = new DrmCrtc(crtcId, m_fd); - if (drmOutput->m_crtc->init()) { - drmOutput->m_crtc->setOutput(drmOutput); - } else { - qCWarning(KWIN_DRM) << "Crtc object failed, skipping output on connector" << connector->connector_id; - delete drmOutput->m_crtc; - delete drmOutput; - continue; - } + QVector pendingConnectors; - drmOutput->m_conn = new DrmConnector(connector->connector_id, m_fd); - if (drmOutput->m_conn->init()) { - drmOutput->m_conn->setOutput(drmOutput); - } else { - qCWarning(KWIN_DRM) << "Connector object failed, skipping output on connector" << connector->connector_id; - delete drmOutput->m_conn; - delete drmOutput; - continue; - } + // split up connected connectors in already or not yet assigned ones + for (DrmConnector *con : qAsConst(m_connectors)) { + if (!con->isConnected()) { + continue; } - if (crtc->mode_valid) { - drmOutput->m_mode = crtc->mode; + if (DrmOutput *o = findOutput(con->id())) { + connectedOutputs << o; } else { - drmOutput->m_mode = connector->modes[0]; + pendingConnectors << con; } - qCDebug(KWIN_DRM) << "For new output use mode " << drmOutput->m_mode.name; - - if (!drmOutput->init(connector.data())) { - qCWarning(KWIN_DRM) << "Failed to create output for connector " << connector->connector_id; - delete drmOutput; - continue; - } - qCDebug(KWIN_DRM) << "Found new output with uuid" << drmOutput->uuid(); - connectedOutputs << drmOutput; } - std::sort(connectedOutputs.begin(), connectedOutputs.end(), [] (DrmOutput *a, DrmOutput *b) { return a->m_connector < b->m_connector; }); + // check for outputs which got removed auto it = m_outputs.begin(); while (it != m_outputs.end()) { if (connectedOutputs.contains(*it)) { it++; continue; } DrmOutput *removed = *it; it = m_outputs.erase(it); emit outputRemoved(removed); delete removed; } - for (auto it = connectedOutputs.constBegin(); it != connectedOutputs.constEnd(); ++it) { - if (!m_outputs.contains(*it)) { - emit outputAdded(*it); + + // now check new connections + for (DrmConnector *con : qAsConst(pendingConnectors)) { + ScopedDrmPointer<_drmModeConnector, &drmModeFreeConnector> connector(drmModeGetConnector(m_fd, con->id())); + if (!connector) { + continue; + } + if (connector->count_modes == 0) { + continue; + } + bool outputDone = false; + + QVector encoders = con->encoders(); + for (auto encId : qAsConst(encoders)) { + ScopedDrmPointer<_drmModeEncoder, &drmModeFreeEncoder> encoder(drmModeGetEncoder(m_fd, encId)); + if (!encoder) { + continue; + } + for (DrmCrtc *crtc : qAsConst(m_crtcs)) { + if (!(encoder->possible_crtcs & (1 << crtc->resIndex()))) { + continue; + } + + // check if crtc isn't used yet -- currently we don't allow multiple outputs on one crtc (cloned mode) + auto it = std::find_if(connectedOutputs.constBegin(), connectedOutputs.constEnd(), + [crtc] (DrmOutput *o) { + return o->m_crtc == crtc; + } + ); + if (it != connectedOutputs.constEnd()) { + continue; + } + + // we found a suitable encoder+crtc + // TODO: we could avoid these lib drm calls if we store all struct data in DrmCrtc and DrmConnector in the beginning + ScopedDrmPointer<_drmModeCrtc, &drmModeFreeCrtc> modeCrtc(drmModeGetCrtc(m_fd, crtc->id())); + if (!modeCrtc) { + continue; + } + + DrmOutput *output = new DrmOutput(this); + con->setOutput(output); + output->m_conn = con; + crtc->setOutput(output); + output->m_crtc = crtc; + connect(output, &DrmOutput::dpmsChanged, this, &DrmBackend::outputDpmsChanged); + + if (modeCrtc->mode_valid) { + output->m_mode = modeCrtc->mode; + } else { + output->m_mode = connector->modes[0]; + } + qCDebug(KWIN_DRM) << "For new output use mode " << output->m_mode.name; + + if (!output->init(connector.data())) { + qCWarning(KWIN_DRM) << "Failed to create output for connector " << con->id(); + con->setOutput(nullptr); + crtc->setOutput(nullptr); + delete output; + continue; + } + qCDebug(KWIN_DRM) << "Found new output with uuid" << output->uuid(); + + connectedOutputs << output; + emit outputAdded(output); + outputDone = true; + break; + } + if (outputDone) { + break; + } } } + std::sort(connectedOutputs.begin(), connectedOutputs.end(), [] (DrmOutput *a, DrmOutput *b) { return a->m_conn->id() < b->m_conn->id(); }); m_outputs = connectedOutputs; readOutputsConfiguration(); if (!m_outputs.isEmpty()) { emit screensQueried(); } } void DrmBackend::readOutputsConfiguration() { if (m_outputs.isEmpty()) { return; } const QByteArray uuid = generateOutputConfigurationUuid(); const auto outputGroup = kwinApp()->config()->group("DrmOutputs"); const auto configGroup = outputGroup.group(uuid); qCDebug(KWIN_DRM) << "Reading output configuration for" << uuid; // default position goes from left to right QPoint pos(0, 0); for (auto it = m_outputs.begin(); it != m_outputs.end(); ++it) { const auto outputConfig = configGroup.group((*it)->uuid()); (*it)->setGlobalPos(outputConfig.readEntry("Position", pos)); // TODO: add mode (*it)->setScale(outputConfig.readEntry("Scale", 1.0)); pos.setX(pos.x() + (*it)->geometry().width()); } } QByteArray DrmBackend::generateOutputConfigurationUuid() const { auto it = m_outputs.constBegin(); if (m_outputs.size() == 1) { // special case: one output return (*it)->uuid(); } QCryptographicHash hash(QCryptographicHash::Md5); for (; it != m_outputs.constEnd(); ++it) { hash.addData((*it)->uuid()); } return hash.result().toHex().left(10); } void DrmBackend::configurationChangeRequested(KWayland::Server::OutputConfigurationInterface *config) { const auto changes = config->changes(); for (auto it = changes.begin(); it != changes.end(); it++) { KWayland::Server::OutputChangeSet *changeset = it.value(); auto drmoutput = findOutput(it.key()->uuid()); if (drmoutput == nullptr) { qCWarning(KWIN_DRM) << "Could NOT find DrmOutput matching " << it.key()->uuid(); return; } drmoutput->setChanges(changeset); } emit screens()->changed(); } DrmOutput *DrmBackend::findOutput(quint32 connector) { auto it = std::find_if(m_outputs.constBegin(), m_outputs.constEnd(), [connector] (DrmOutput *o) { - return o->m_connector == connector; + return o->m_conn->id() == connector; }); if (it != m_outputs.constEnd()) { return *it; } return nullptr; } DrmOutput *DrmBackend::findOutput(const QByteArray &uuid) { auto it = std::find_if(m_outputs.constBegin(), m_outputs.constEnd(), [uuid] (DrmOutput *o) { return o->m_uuid == uuid; }); if (it != m_outputs.constEnd()) { return *it; } return nullptr; } -quint32 DrmBackend::findCrtc(drmModeRes *res, drmModeConnector *connector, bool *ok) -{ - if (ok) { - *ok = false; - } - ScopedDrmPointer<_drmModeEncoder, &drmModeFreeEncoder> encoder(drmModeGetEncoder(m_fd, connector->encoder_id)); - if (encoder) { - if (!crtcIsUsed(encoder->crtc_id)) { - if (ok) { - *ok = true; - } - return encoder->crtc_id; - } - } - // let's iterate over all encoders to find a suitable crtc - for (int i = 0; i < connector->count_encoders; ++i) { - ScopedDrmPointer<_drmModeEncoder, &drmModeFreeEncoder> encoder(drmModeGetEncoder(m_fd, connector->encoders[i])); - if (!encoder) { - continue; - } - for (int j = 0; j < res->count_crtcs; ++j) { - if (!(encoder->possible_crtcs & (1 << j))) { - continue; - } - if (!crtcIsUsed(res->crtcs[j])) { - if (ok) { - *ok = true; - } - return res->crtcs[j]; - } - } - } - return 0; -} - -bool DrmBackend::crtcIsUsed(quint32 crtc) -{ - auto it = std::find_if(m_outputs.constBegin(), m_outputs.constEnd(), - [crtc] (DrmOutput *o) { - return o->m_crtcId == crtc; - } - ); - return it != m_outputs.constEnd(); -} - void DrmBackend::present(DrmBuffer *buffer, DrmOutput *output) { if (output->present(buffer)) { m_pageFlipsPending++; if (m_pageFlipsPending == 1 && Compositor::self()) { Compositor::self()->aboutToSwapBuffers(); } } } void DrmBackend::initCursor() { m_cursorEnabled = waylandServer()->seat()->hasPointer(); connect(waylandServer()->seat(), &KWayland::Server::SeatInterface::hasPointerChanged, this, [this] { m_cursorEnabled = waylandServer()->seat()->hasPointer(); if (usesSoftwareCursor()) { return; } for (auto it = m_outputs.constBegin(); it != m_outputs.constEnd(); ++it) { if (m_cursorEnabled) { (*it)->showCursor(m_cursor[m_cursorIndex]); } else { (*it)->hideCursor(); } } } ); uint64_t capability = 0; QSize cursorSize; if (drmGetCap(m_fd, DRM_CAP_CURSOR_WIDTH, &capability) == 0) { cursorSize.setWidth(capability); } else { cursorSize.setWidth(64); } if (drmGetCap(m_fd, DRM_CAP_CURSOR_HEIGHT, &capability) == 0) { cursorSize.setHeight(capability); } else { cursorSize.setHeight(64); } auto createCursor = [this, cursorSize] (int index) { m_cursor[index] = createBuffer(cursorSize); if (!m_cursor[index]->map(QImage::Format_ARGB32_Premultiplied)) { return false; } m_cursor[index]->image()->fill(Qt::transparent); return true; }; if (!createCursor(0) || !createCursor(1)) { setSoftWareCursor(true); return; } // now we have screens and can set cursors, so start tracking connect(this, &DrmBackend::cursorChanged, this, &DrmBackend::updateCursor); connect(Cursor::self(), &Cursor::posChanged, this, &DrmBackend::moveCursor); } void DrmBackend::setCursor() { DrmBuffer *c = m_cursor[m_cursorIndex]; m_cursorIndex = (m_cursorIndex + 1) % 2; if (m_cursorEnabled) { for (auto it = m_outputs.constBegin(); it != m_outputs.constEnd(); ++it) { (*it)->showCursor(c); } } markCursorAsRendered(); } void DrmBackend::updateCursor() { if (usesSoftwareCursor()) { return; } if (isCursorHidden()) { return; } const QImage &cursorImage = softwareCursor(); if (cursorImage.isNull()) { doHideCursor(); return; } QImage *c = m_cursor[m_cursorIndex]->image(); c->fill(Qt::transparent); QPainter p; p.begin(c); p.drawImage(QPoint(0, 0), cursorImage); p.end(); setCursor(); moveCursor(); } void DrmBackend::doShowCursor() { updateCursor(); } void DrmBackend::doHideCursor() { if (!m_cursorEnabled) { return; } for (auto it = m_outputs.constBegin(); it != m_outputs.constEnd(); ++it) { (*it)->hideCursor(); } } void DrmBackend::moveCursor() { const QPoint p = Cursor::pos() - softwareCursorHotspot(); if (!m_cursorEnabled || isCursorHidden()) { return; } for (auto it = m_outputs.constBegin(); it != m_outputs.constEnd(); ++it) { (*it)->moveCursor(p); } } Screens *DrmBackend::createScreens(QObject *parent) { return new DrmScreens(this, parent); } QPainterBackend *DrmBackend::createQPainterBackend() { return new DrmQPainterBackend(this); } OpenGLBackend *DrmBackend::createOpenGLBackend() { #if HAVE_GBM return new EglGbmBackend(this); #else return Platform::createOpenGLBackend(); #endif } DrmBuffer *DrmBackend::createBuffer(const QSize &size) { DrmBuffer *b = new DrmBuffer(this, size); m_buffers << b; return b; } DrmBuffer *DrmBackend::createBuffer(gbm_surface *surface) { #if HAVE_GBM DrmBuffer *b = new DrmBuffer(this, surface); b->m_deleteAfterPageFlip = true; m_buffers << b; return b; #else return nullptr; #endif } void DrmBackend::bufferDestroyed(DrmBuffer *b) { m_buffers.removeAll(b); } void DrmBackend::outputDpmsChanged() { if (m_outputs.isEmpty()) { return; } bool enabled = false; for (auto it = m_outputs.constBegin(); it != m_outputs.constEnd(); ++it) { enabled = enabled || (*it)->isDpmsEnabled(); } setOutputsEnabled(enabled); } } diff --git a/plugins/platforms/drm/drm_backend.h b/plugins/platforms/drm/drm_backend.h index a3843696e..fa056f5c8 100644 --- a/plugins/platforms/drm/drm_backend.h +++ b/plugins/platforms/drm/drm_backend.h @@ -1,161 +1,166 @@ /******************************************************************** KWin - the KDE window manager This file is part of the KDE project. Copyright (C) 2015 Martin Gräßlin This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . *********************************************************************/ #ifndef KWIN_DRM_BACKEND_H #define KWIN_DRM_BACKEND_H #include "platform.h" #include "input.h" #include "drm_buffer.h" #include "drm_inputeventfilter.h" #include "drm_pointer.h" #include #include #include #include #include struct gbm_bo; struct gbm_device; struct gbm_surface; namespace KWayland { namespace Server { class OutputInterface; class OutputDeviceInterface; class OutputChangeSet; class OutputManagementInterface; } } namespace KWin { class Udev; class UdevMonitor; class DrmOutput; class DrmPlane; +class DrmCrtc; +class DrmConnector; class KWIN_EXPORT DrmBackend : public Platform { Q_OBJECT Q_INTERFACES(KWin::Platform) Q_PLUGIN_METADATA(IID "org.kde.kwin.Platform" FILE "drm.json") public: explicit DrmBackend(QObject *parent = nullptr); virtual ~DrmBackend(); void configurationChangeRequested(KWayland::Server::OutputConfigurationInterface *config) override; Screens *createScreens(QObject *parent = nullptr) override; QPainterBackend *createQPainterBackend() override; OpenGLBackend* createOpenGLBackend() override; void init() override; DrmBuffer *createBuffer(const QSize &size); DrmBuffer *createBuffer(gbm_surface *surface); void present(DrmBuffer *buffer, DrmOutput *output); int fd() const { return m_fd; } QVector outputs() const { return m_outputs; } QVector buffers() const { return m_buffers; } QVector planes() const { return m_planes; } void bufferDestroyed(DrmBuffer *b); void outputWentOff(); void checkOutputsAreOn(); // returns use of AMS, default is not/legacy bool atomicModeSetting() const { return m_atomicModeSetting; } void setGbmDevice(gbm_device *device) { m_gbmDevice = device; } gbm_device *gbmDevice() const { return m_gbmDevice; } public Q_SLOTS: void turnOutputsOn(); Q_SIGNALS: void outputRemoved(KWin::DrmOutput *output); void outputAdded(KWin::DrmOutput *output); protected: void doHideCursor() override; void doShowCursor() override; private: static void pageFlipHandler(int fd, unsigned int frame, unsigned int sec, unsigned int usec, void *data); void openDrm(); void activate(bool active); void reactivate(); void deactivate(); void queryResources(); void setCursor(); void updateCursor(); void moveCursor(); void initCursor(); - quint32 findCrtc(drmModeRes *res, drmModeConnector *connector, bool *ok = nullptr); - bool crtcIsUsed(quint32 crtc); void outputDpmsChanged(); void readOutputsConfiguration(); QByteArray generateOutputConfigurationUuid() const; DrmOutput *findOutput(quint32 connector); DrmOutput *findOutput(const QByteArray &uuid); QScopedPointer m_udev; QScopedPointer m_udevMonitor; int m_fd = -1; int m_drmId = 0; + // all crtcs + QVector m_crtcs; + // all connectors + QVector m_connectors; + // currently active output pipelines (planes + crtc + encoder + connector) QVector m_outputs; DrmBuffer *m_cursor[2]; bool m_atomicModeSetting = false; bool m_cursorEnabled = false; int m_cursorIndex = 0; int m_pageFlipsPending = 0; bool m_active = false; QVector m_buffers; // all available planes: primarys, cursors and overlays QVector m_planes; QScopedPointer m_dpmsFilter; KWayland::Server::OutputManagementInterface *m_outputManagement = nullptr; gbm_device *m_gbmDevice = nullptr; }; } #endif diff --git a/plugins/platforms/drm/drm_buffer.cpp b/plugins/platforms/drm/drm_buffer.cpp index 0f1c7a41e..d29059967 100644 --- a/plugins/platforms/drm/drm_buffer.cpp +++ b/plugins/platforms/drm/drm_buffer.cpp @@ -1,142 +1,142 @@ /******************************************************************** KWin - the KDE window manager This file is part of the KDE project. Copyright (C) 2015 Martin Gräßlin This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . *********************************************************************/ #include "drm_buffer.h" #include "drm_backend.h" #include "logging.h" // system #include #include // drm #include #if HAVE_GBM #include #endif namespace KWin { DrmBuffer::DrmBuffer(DrmBackend *backend, const QSize &size) : m_backend(backend) , m_size(size) { drm_mode_create_dumb createArgs; memset(&createArgs, 0, sizeof createArgs); createArgs.bpp = 32; createArgs.width = size.width(); createArgs.height = size.height(); if (drmIoctl(m_backend->fd(), DRM_IOCTL_MODE_CREATE_DUMB, &createArgs) != 0) { qCWarning(KWIN_DRM) << "DRM_IOCTL_MODE_CREATE_DUMB failed"; return; } m_handle = createArgs.handle; m_bufferSize = createArgs.size; m_stride = createArgs.pitch; if (drmModeAddFB(m_backend->fd(), size.width(), size.height(), 24, 32, m_stride, createArgs.handle, &m_bufferId) != 0) { qCWarning(KWIN_DRM) << "drmModeAddFB failed with errno" << errno; } } #if HAVE_GBM static void gbmCallback(gbm_bo *bo, void *data) { DrmBackend *backend = reinterpret_cast(data); const auto &buffers = backend->buffers(); for (auto buffer: buffers) { if (buffer->gbm() == bo) { delete buffer; return; } } } #endif DrmBuffer::DrmBuffer(DrmBackend *backend, gbm_surface *surface) : m_backend(backend) , m_surface(surface) { #if HAVE_GBM m_bo = gbm_surface_lock_front_buffer(surface); if (!m_bo) { qCWarning(KWIN_DRM) << "Locking front buffer failed"; return; } m_size = QSize(gbm_bo_get_width(m_bo), gbm_bo_get_height(m_bo)); m_stride = gbm_bo_get_stride(m_bo); if (drmModeAddFB(m_backend->fd(), m_size.width(), m_size.height(), 24, 32, m_stride, gbm_bo_get_handle(m_bo).u32, &m_bufferId) != 0) { qCWarning(KWIN_DRM) << "drmModeAddFB failed"; } gbm_bo_set_user_data(m_bo, m_backend, gbmCallback); #endif } DrmBuffer::~DrmBuffer() { + if (m_bufferId) { + drmModeRmFB(m_backend->fd(), m_bufferId); + } m_backend->bufferDestroyed(this); delete m_image; if (m_memory) { munmap(m_memory, m_bufferSize); } - if (m_bufferId) { - drmModeRmFB(m_backend->fd(), m_bufferId); - } if (m_handle) { drm_mode_destroy_dumb destroyArgs; destroyArgs.handle = m_handle; drmIoctl(m_backend->fd(), DRM_IOCTL_MODE_DESTROY_DUMB, &destroyArgs); } releaseGbm(); } bool DrmBuffer::map(QImage::Format format) { if (!m_handle || !m_bufferId) { return false; } drm_mode_map_dumb mapArgs; memset(&mapArgs, 0, sizeof mapArgs); mapArgs.handle = m_handle; if (drmIoctl(m_backend->fd(), DRM_IOCTL_MODE_MAP_DUMB, &mapArgs) != 0) { return false; } void *address = mmap(nullptr, m_bufferSize, PROT_WRITE, MAP_SHARED, m_backend->fd(), mapArgs.offset); if (address == MAP_FAILED) { return false; } m_memory = address; m_image = new QImage((uchar*)m_memory, m_size.width(), m_size.height(), m_stride, format); return !m_image->isNull(); } void DrmBuffer::releaseGbm() { #if HAVE_GBM if (m_bo) { gbm_surface_release_buffer(m_surface, m_bo); m_bo = nullptr; } #endif } } diff --git a/plugins/platforms/drm/drm_buffer.h b/plugins/platforms/drm/drm_buffer.h index 00b513b27..0c7083d7d 100644 --- a/plugins/platforms/drm/drm_buffer.h +++ b/plugins/platforms/drm/drm_buffer.h @@ -1,87 +1,86 @@ /******************************************************************** KWin - the KDE window manager This file is part of the KDE project. Copyright (C) 2015 Martin Gräßlin This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . *********************************************************************/ #ifndef KWIN_DRM_BUFFER_H #define KWIN_DRM_BUFFER_H #include #include struct gbm_bo; struct gbm_surface; namespace KWin { class DrmBackend; class DrmBuffer { public: ~DrmBuffer(); bool map(QImage::Format format = QImage::Format_RGB32); QImage *image() const { return m_image; } quint32 handle() const { return m_handle; } const QSize &size() const { return m_size; } quint32 bufferId() const { return m_bufferId; } quint32 stride() const { return m_stride; } gbm_bo *gbm() const { return m_bo; } bool isGbm() const { return m_bo != nullptr; } bool deleteAfterPageFlip() const { return m_deleteAfterPageFlip; } - void releaseGbm(); private: friend class DrmBackend; DrmBuffer(DrmBackend *backend, const QSize &size); DrmBuffer(DrmBackend *backend, gbm_surface *surface); DrmBackend *m_backend; gbm_surface *m_surface = nullptr; gbm_bo *m_bo = nullptr; QSize m_size; quint32 m_handle = 0; quint32 m_bufferId = 0; quint32 m_stride = 0; quint64 m_bufferSize = 0; void *m_memory = nullptr; QImage *m_image = nullptr; bool m_deleteAfterPageFlip = false; }; } #endif diff --git a/plugins/platforms/drm/drm_object_connector.cpp b/plugins/platforms/drm/drm_object_connector.cpp index 67a695797..4f5552e57 100644 --- a/plugins/platforms/drm/drm_object_connector.cpp +++ b/plugins/platforms/drm/drm_object_connector.cpp @@ -1,64 +1,80 @@ /******************************************************************** KWin - the KDE window manager This file is part of the KDE project. Copyright (C) 2016 Roman Gilg This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . *********************************************************************/ #include "drm_object_connector.h" +#include "drm_pointer.h" #include "logging.h" namespace KWin { DrmConnector::DrmConnector(uint32_t connector_id, int fd) : DrmObject(connector_id, fd) { - + ScopedDrmPointer<_drmModeConnector, &drmModeFreeConnector> con(drmModeGetConnector(fd, connector_id)); + if (!con) { + return; + } + for (int i = 0; i < con->count_encoders; ++i) { + m_encoders << con->encoders[i]; + } } DrmConnector::~DrmConnector() = default; bool DrmConnector::init() { qCDebug(KWIN_DRM) << "Creating connector" << m_id; if (!initProps()) { return false; } return true; } bool DrmConnector::initProps() { m_propsNames = { QByteArrayLiteral("CRTC_ID"), }; drmModeObjectProperties *properties = drmModeObjectGetProperties(m_fd, m_id, DRM_MODE_OBJECT_CONNECTOR); if (!properties) { qCWarning(KWIN_DRM) << "Failed to get properties for connector " << m_id ; return false; } int propCount = int(PropertyIndex::Count); for (int j = 0; j < propCount; ++j) { initProp(j, properties); } drmModeFreeObjectProperties(properties); return true; } +bool DrmConnector::isConnected() +{ + ScopedDrmPointer<_drmModeConnector, &drmModeFreeConnector> con(drmModeGetConnector(m_fd, m_id)); + if (!con) { + return false; + } + return con->connection == DRM_MODE_CONNECTED; +} + } diff --git a/plugins/platforms/drm/drm_object_connector.h b/plugins/platforms/drm/drm_object_connector.h index dcaf200c0..6257febb8 100644 --- a/plugins/platforms/drm/drm_object_connector.h +++ b/plugins/platforms/drm/drm_object_connector.h @@ -1,48 +1,57 @@ /******************************************************************** KWin - the KDE window manager This file is part of the KDE project. Copyright (C) 2016 Roman Gilg This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . *********************************************************************/ #ifndef KWIN_DRM_OBJECT_CONNECTOR_H #define KWIN_DRM_OBJECT_CONNECTOR_H #include "drm_object.h" namespace KWin { class DrmConnector : public DrmObject { public: DrmConnector(uint32_t connector_id, int fd); virtual ~DrmConnector(); bool init(); enum class PropertyIndex { CrtcId = 0, Count }; + + QVector encoders() { + return m_encoders; + } bool initProps(); + bool isConnected(); + + +private: + QVector m_encoders; }; } #endif diff --git a/plugins/platforms/drm/drm_object_crtc.cpp b/plugins/platforms/drm/drm_object_crtc.cpp index 1d5f03c8f..ec83a3ca1 100644 --- a/plugins/platforms/drm/drm_object_crtc.cpp +++ b/plugins/platforms/drm/drm_object_crtc.cpp @@ -1,64 +1,107 @@ /******************************************************************** KWin - the KDE window manager This file is part of the KDE project. Copyright (C) 2016 Roman Gilg This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . *********************************************************************/ #include "drm_object_crtc.h" +#include "drm_backend.h" +#include "drm_output.h" +#include "drm_buffer.h" #include "logging.h" namespace KWin { -DrmCrtc::DrmCrtc(uint32_t crtc_id, int fd) - : DrmObject(crtc_id, fd) +DrmCrtc::DrmCrtc(uint32_t crtc_id, int fd, int resIndex) + : DrmObject(crtc_id, fd), + m_resIndex(resIndex) { } -DrmCrtc::~DrmCrtc() = default; +DrmCrtc::~DrmCrtc() +{ +} bool DrmCrtc::init() { - qCDebug(KWIN_DRM) << "Creating CRTC" << m_id; + qCDebug(KWIN_DRM) << "Atomic init for CRTC:" << resIndex() << "id:" << m_id; if (!initProps()) { return false; } return true; } bool DrmCrtc::initProps() { m_propsNames = { QByteArrayLiteral("MODE_ID"), QByteArrayLiteral("ACTIVE"), }; drmModeObjectProperties *properties = drmModeObjectGetProperties(m_fd, m_id, DRM_MODE_OBJECT_CRTC); if (!properties) { qCWarning(KWIN_DRM) << "Failed to get properties for crtc " << m_id ; return false; } int propCount = int(PropertyIndex::Count); for (int j = 0; j < propCount; ++j) { initProp(j, properties); } drmModeFreeObjectProperties(properties); return true; } +void DrmCrtc::flipBuffer() +{ + if (m_currentBuffer && m_currentBuffer->deleteAfterPageFlip() && m_currentBuffer != m_nextBuffer) { + delete m_currentBuffer; + } + m_currentBuffer = m_nextBuffer; + m_nextBuffer = nullptr; + + delete m_blackBuffer; + m_blackBuffer = nullptr; +} + +bool DrmCrtc::blank() +{ + if (!m_blackBuffer) { + DrmBuffer *blackBuffer = m_output->m_backend->createBuffer(m_output->pixelSize()); + if (!blackBuffer->map()) { + delete blackBuffer; + return false; + } + blackBuffer->image()->fill(Qt::black); + m_blackBuffer = blackBuffer; + } + + // TODO: Do this atomically + if (m_output->setModeLegacy(m_blackBuffer)) { + if (m_currentBuffer && m_currentBuffer->deleteAfterPageFlip()) { + delete m_currentBuffer; + delete m_nextBuffer; + } + m_currentBuffer = nullptr; + m_nextBuffer = nullptr; + return true; + } + return false; +} + } diff --git a/plugins/platforms/drm/drm_object_crtc.h b/plugins/platforms/drm/drm_object_crtc.h index cc9b5c94e..1179c9b6a 100644 --- a/plugins/platforms/drm/drm_object_crtc.h +++ b/plugins/platforms/drm/drm_object_crtc.h @@ -1,51 +1,77 @@ /******************************************************************** KWin - the KDE window manager This file is part of the KDE project. Copyright (C) 2016 Roman Gilg This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . *********************************************************************/ #ifndef KWIN_DRM_OBJECT_CRTC_H #define KWIN_DRM_OBJECT_CRTC_H #include "drm_object.h" namespace KWin { +class DrmBackend; class DrmBuffer; class DrmCrtc : public DrmObject { public: - DrmCrtc(uint32_t crtc_id, int fd); + DrmCrtc(uint32_t crtc_id, int fd, int resIndex); virtual ~DrmCrtc(); bool init(); enum class PropertyIndex { ModeId = 0, Active, Count }; bool initProps(); + + int resIndex() const { + return m_resIndex; + } + + DrmBuffer *current() { + return m_currentBuffer; + } + DrmBuffer *next() { + return m_nextBuffer; + } + void setNext(DrmBuffer *buffer) { + m_nextBuffer = buffer; + } + + void flipBuffer(); + bool blank(); + +private: + DrmBackend *m_backend; + int m_resIndex; + + DrmBuffer *m_currentBuffer = nullptr; + DrmBuffer *m_nextBuffer = nullptr; + DrmBuffer *m_blackBuffer = nullptr; }; } #endif diff --git a/plugins/platforms/drm/drm_output.cpp b/plugins/platforms/drm/drm_output.cpp index c983f2e87..034fa8a62 100644 --- a/plugins/platforms/drm/drm_output.cpp +++ b/plugins/platforms/drm/drm_output.cpp @@ -1,944 +1,906 @@ /******************************************************************** KWin - the KDE window manager This file is part of the KDE project. Copyright (C) 2015 Martin Gräßlin This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . *********************************************************************/ #include "drm_output.h" #include "drm_backend.h" #include "drm_object_plane.h" #include "drm_object_crtc.h" #include "drm_object_connector.h" #include #include "composite.h" #include "logind.h" #include "logging.h" #include "main.h" #include "screens_drm.h" #include "wayland_server.h" // KWayland #include #include #include #include #include #include // KF5 #include #include #include // Qt #include // drm #include #include #include namespace KWin { DrmOutput::DrmOutput(DrmBackend *backend) : QObject() , m_backend(backend) { } DrmOutput::~DrmOutput() { hideCursor(); - cleanupBlackBuffer(); - delete m_crtc; - delete m_conn; + m_crtc->blank(); delete m_waylandOutput.data(); delete m_waylandOutputDevice.data(); } -void DrmOutput::cleanup() +void DrmOutput::releaseGbm() { - if (m_currentBuffer) { - m_currentBuffer->releaseGbm(); - } - if (m_nextBuffer) { - m_nextBuffer->releaseGbm(); + if (DrmBuffer *b = m_crtc->current()) { + b->releaseGbm(); } if (m_primaryPlane) { if (m_primaryPlane->current()) { m_primaryPlane->current()->releaseGbm(); } - if (m_primaryPlane->next()) { - m_primaryPlane->next()->releaseGbm(); - } } } void DrmOutput::hideCursor() { - drmModeSetCursor(m_backend->fd(), m_crtcId, 0, 0, 0); -} - -void DrmOutput::restoreSaved() -{ - if (!m_savedCrtc.isNull()) { - drmModeSetCrtc(m_backend->fd(), m_savedCrtc->crtc_id, m_savedCrtc->buffer_id, - m_savedCrtc->x, m_savedCrtc->y, &m_connector, 1, &m_savedCrtc->mode); - } + drmModeSetCursor(m_backend->fd(), m_crtc->id(), 0, 0, 0); } void DrmOutput::showCursor(DrmBuffer *c) { const QSize &s = c->size(); - drmModeSetCursor(m_backend->fd(), m_crtcId, c->handle(), s.width(), s.height()); + drmModeSetCursor(m_backend->fd(), m_crtc->id(), c->handle(), s.width(), s.height()); } void DrmOutput::moveCursor(const QPoint &globalPos) { const QPoint p = (globalPos - m_globalPos) * m_scale; - drmModeMoveCursor(m_backend->fd(), m_crtcId, p.x(), p.y()); + drmModeMoveCursor(m_backend->fd(), m_crtc->id(), p.x(), p.y()); } QSize DrmOutput::pixelSize() const { return QSize(m_mode.hdisplay, m_mode.vdisplay); } QRect DrmOutput::geometry() const { return QRect(m_globalPos, pixelSize() / scale()); } qreal DrmOutput::scale() const { return m_scale; } static KWayland::Server::OutputInterface::DpmsMode toWaylandDpmsMode(DrmOutput::DpmsMode mode) { using namespace KWayland::Server; switch (mode) { case DrmOutput::DpmsMode::On: return OutputInterface::DpmsMode::On; case DrmOutput::DpmsMode::Standby: return OutputInterface::DpmsMode::Standby; case DrmOutput::DpmsMode::Suspend: return OutputInterface::DpmsMode::Suspend; case DrmOutput::DpmsMode::Off: return OutputInterface::DpmsMode::Off; default: Q_UNREACHABLE(); } } static DrmOutput::DpmsMode fromWaylandDpmsMode(KWayland::Server::OutputInterface::DpmsMode wlMode) { using namespace KWayland::Server; switch (wlMode) { case OutputInterface::DpmsMode::On: return DrmOutput::DpmsMode::On; case OutputInterface::DpmsMode::Standby: return DrmOutput::DpmsMode::Standby; case OutputInterface::DpmsMode::Suspend: return DrmOutput::DpmsMode::Suspend; case OutputInterface::DpmsMode::Off: return DrmOutput::DpmsMode::Off; default: Q_UNREACHABLE(); } } static QHash s_connectorNames = { {DRM_MODE_CONNECTOR_Unknown, QByteArrayLiteral("Unknown")}, {DRM_MODE_CONNECTOR_VGA, QByteArrayLiteral("VGA")}, {DRM_MODE_CONNECTOR_DVII, QByteArrayLiteral("DVI-I")}, {DRM_MODE_CONNECTOR_DVID, QByteArrayLiteral("DVI-D")}, {DRM_MODE_CONNECTOR_DVIA, QByteArrayLiteral("DVI-A")}, {DRM_MODE_CONNECTOR_Composite, QByteArrayLiteral("Composite")}, {DRM_MODE_CONNECTOR_SVIDEO, QByteArrayLiteral("SVIDEO")}, {DRM_MODE_CONNECTOR_LVDS, QByteArrayLiteral("LVDS")}, {DRM_MODE_CONNECTOR_Component, QByteArrayLiteral("Component")}, {DRM_MODE_CONNECTOR_9PinDIN, QByteArrayLiteral("DIN")}, {DRM_MODE_CONNECTOR_DisplayPort, QByteArrayLiteral("DP")}, {DRM_MODE_CONNECTOR_HDMIA, QByteArrayLiteral("HDMI-A")}, {DRM_MODE_CONNECTOR_HDMIB, QByteArrayLiteral("HDMI-B")}, {DRM_MODE_CONNECTOR_TV, QByteArrayLiteral("TV")}, {DRM_MODE_CONNECTOR_eDP, QByteArrayLiteral("eDP")}, {DRM_MODE_CONNECTOR_VIRTUAL, QByteArrayLiteral("Virtual")}, {DRM_MODE_CONNECTOR_DSI, QByteArrayLiteral("DSI")} }; bool DrmOutput::init(drmModeConnector *connector) { initEdid(connector); initDpms(connector); initUuid(); if (m_backend->atomicModeSetting()) { if (!initPrimaryPlane()) { return false; } } - m_savedCrtc.reset(drmModeGetCrtc(m_backend->fd(), m_crtcId)); - if (!blank()) { + if (!m_crtc->blank()) { return false; } setDpms(DpmsMode::On); if (!m_waylandOutput.isNull()) { delete m_waylandOutput.data(); m_waylandOutput.clear(); } m_waylandOutput = waylandServer()->display()->createOutput(); if (!m_waylandOutputDevice.isNull()) { delete m_waylandOutputDevice.data(); m_waylandOutputDevice.clear(); } m_waylandOutputDevice = waylandServer()->display()->createOutputDevice(); m_waylandOutputDevice->setUuid(m_uuid); if (!m_edid.eisaId.isEmpty()) { m_waylandOutput->setManufacturer(QString::fromLatin1(m_edid.eisaId)); } else { m_waylandOutput->setManufacturer(i18n("unknown")); } m_waylandOutputDevice->setManufacturer(m_waylandOutput->manufacturer()); QString connectorName = s_connectorNames.value(connector->connector_type, QByteArrayLiteral("Unknown")); QString modelName; if (!m_edid.monitorName.isEmpty()) { QString model = QString::fromLatin1(m_edid.monitorName); if (!m_edid.serialNumber.isEmpty()) { model.append('/'); model.append(QString::fromLatin1(m_edid.serialNumber)); } modelName = model; } else if (!m_edid.serialNumber.isEmpty()) { modelName = QString::fromLatin1(m_edid.serialNumber); } else { modelName = i18n("unknown"); } m_waylandOutput->setModel(connectorName + QStringLiteral("-") + QString::number(connector->connector_type_id) + QStringLiteral("-") + modelName); m_waylandOutputDevice->setModel(m_waylandOutput->model()); QSize physicalSize = !m_edid.physicalSize.isEmpty() ? m_edid.physicalSize : QSize(connector->mmWidth, connector->mmHeight); // the size might be completely borked. E.g. Samsung SyncMaster 2494HS reports 160x90 while in truth it's 520x292 // as this information is used to calculate DPI info, it's going to result in everything being huge const QByteArray unknown = QByteArrayLiteral("unkown"); KConfigGroup group = kwinApp()->config()->group("EdidOverwrite").group(m_edid.eisaId.isEmpty() ? unknown : m_edid.eisaId) .group(m_edid.monitorName.isEmpty() ? unknown : m_edid.monitorName) .group(m_edid.serialNumber.isEmpty() ? unknown : m_edid.serialNumber); if (group.hasKey("PhysicalSize")) { const QSize overwriteSize = group.readEntry("PhysicalSize", physicalSize); qCWarning(KWIN_DRM) << "Overwriting monitor physical size for" << m_edid.eisaId << "/" << m_edid.monitorName << "/" << m_edid.serialNumber << " from " << physicalSize << "to " << overwriteSize; physicalSize = overwriteSize; } m_waylandOutput->setPhysicalSize(physicalSize); m_waylandOutputDevice->setPhysicalSize(physicalSize); // read in mode information for (int i = 0; i < connector->count_modes; ++i) { // TODO: in AMS here we could read and store for later every mode's blob_id // would simplify isCurrentMode(..) and presentAtomically(..) in case of mode set auto *m = &connector->modes[i]; KWayland::Server::OutputInterface::ModeFlags flags; KWayland::Server::OutputDeviceInterface::ModeFlags deviceflags; if (isCurrentMode(m)) { flags |= KWayland::Server::OutputInterface::ModeFlag::Current; deviceflags |= KWayland::Server::OutputDeviceInterface::ModeFlag::Current; } if (m->type & DRM_MODE_TYPE_PREFERRED) { flags |= KWayland::Server::OutputInterface::ModeFlag::Preferred; deviceflags |= KWayland::Server::OutputDeviceInterface::ModeFlag::Preferred; } // Calculate higher precision (mHz) refresh rate // logic based on Weston, see compositor-drm.c quint64 refreshRate = (m->clock * 1000000LL / m->htotal + m->vtotal / 2) / m->vtotal; if (m->flags & DRM_MODE_FLAG_INTERLACE) { refreshRate *= 2; } if (m->flags & DRM_MODE_FLAG_DBLSCAN) { refreshRate /= 2; } if (m->vscan > 1) { refreshRate /= m->vscan; } m_waylandOutput->addMode(QSize(m->hdisplay, m->vdisplay), flags, refreshRate); KWayland::Server::OutputDeviceInterface::Mode mode; mode.id = i; mode.size = QSize(m->hdisplay, m->vdisplay); mode.flags = deviceflags; mode.refreshRate = refreshRate; qCDebug(KWIN_DRM) << "Adding mode: " << i << mode.size; m_waylandOutputDevice->addMode(mode); } // set dpms if (!m_dpms.isNull()) { m_waylandOutput->setDpmsSupported(true); m_waylandOutput->setDpmsMode(toWaylandDpmsMode(m_dpmsMode)); connect(m_waylandOutput.data(), &KWayland::Server::OutputInterface::dpmsModeRequested, this, [this] (KWayland::Server::OutputInterface::DpmsMode mode) { setDpms(fromWaylandDpmsMode(mode)); }, Qt::QueuedConnection ); } m_waylandOutput->create(); qCDebug(KWIN_DRM) << "Created OutputDevice"; m_waylandOutputDevice->create(); return true; } void DrmOutput::initUuid() { QCryptographicHash hash(QCryptographicHash::Md5); - hash.addData(QByteArray::number(m_connector)); + hash.addData(QByteArray::number(m_conn->id())); hash.addData(m_edid.eisaId); hash.addData(m_edid.monitorName); hash.addData(m_edid.serialNumber); m_uuid = hash.result().toHex().left(10); } bool DrmOutput::isCurrentMode(const drmModeModeInfo *mode) const { return mode->clock == m_mode.clock && mode->hdisplay == m_mode.hdisplay && mode->hsync_start == m_mode.hsync_start && mode->hsync_end == m_mode.hsync_end && mode->htotal == m_mode.htotal && mode->hskew == m_mode.hskew && mode->vdisplay == m_mode.vdisplay && mode->vsync_start == m_mode.vsync_start && mode->vsync_end == m_mode.vsync_end && mode->vtotal == m_mode.vtotal && mode->vscan == m_mode.vscan && mode->vrefresh == m_mode.vrefresh && mode->flags == m_mode.flags && mode->type == m_mode.type && qstrcmp(mode->name, m_mode.name) == 0; } static bool verifyEdidHeader(drmModePropertyBlobPtr edid) { const uint8_t *data = reinterpret_cast(edid->data); if (data[0] != 0x00) { return false; } for (int i = 1; i < 7; ++i) { if (data[i] != 0xFF) { return false; } } if (data[7] != 0x00) { return false; } return true; } static QByteArray extractEisaId(drmModePropertyBlobPtr edid) { /* * From EDID standard section 3.4: * The ID Manufacturer Name field, shown in Table 3.5, contains a 2-byte representation of the monitor's * manufacturer. This is the same as the EISA ID. It is based on compressed ASCII, “0001=A” ... “11010=Z”. * * The table: * | Byte | Bit | * | | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | * ---------------------------------------- * | 1 | 0)| (4| 3 | 2 | 1 | 0)| (4| 3 | * | | * | Character 1 | Char 2| * ---------------------------------------- * | 2 | 2 | 1 | 0)| (4| 3 | 2 | 1 | 0)| * | | Character2| Character 3 | * ---------------------------------------- **/ const uint8_t *data = reinterpret_cast(edid->data); static const uint offset = 0x8; char id[4]; if (data[offset] >> 7) { // bit at position 7 is not a 0 return QByteArray(); } // shift two bits to right, and with 7 right most bits id[0] = 'A' + ((data[offset] >> 2) & 0x1f) -1; // for first byte: take last two bits and shift them 3 to left (000xx000) // for second byte: shift 5 bits to right and take 3 right most bits (00000xxx) // or both together id[1] = 'A' + (((data[offset] & 0x3) << 3) | ((data[offset + 1] >> 5) & 0x7)) - 1; // take five right most bits id[2] = 'A' + (data[offset + 1] & 0x1f) - 1; id[3] = '\0'; return QByteArray(id); } static void extractMonitorDescriptorDescription(drmModePropertyBlobPtr blob, DrmOutput::Edid &edid) { // see section 3.10.3 const uint8_t *data = reinterpret_cast(blob->data); static const uint offset = 0x36; static const uint blockLength = 18; for (int i = 0; i < 5; ++i) { const uint co = offset + i * blockLength; // Flag = 0000h when block used as descriptor if (data[co] != 0) { continue; } if (data[co + 1] != 0) { continue; } // Reserved = 00h when block used as descriptor if (data[co + 2] != 0) { continue; } /* * FFh: Monitor Serial Number - Stored as ASCII, code page # 437, ≤ 13 bytes. * FEh: ASCII String - Stored as ASCII, code page # 437, ≤ 13 bytes. * FDh: Monitor range limits, binary coded * FCh: Monitor name, stored as ASCII, code page # 437 * FBh: Descriptor contains additional color point data * FAh: Descriptor contains additional Standard Timing Identifications * F9h - 11h: Currently undefined * 10h: Dummy descriptor, used to indicate that the descriptor space is unused * 0Fh - 00h: Descriptor defined by manufacturer. */ if (data[co + 3] == 0xfc && edid.monitorName.isEmpty()) { edid.monitorName = QByteArray((const char *)(&data[co + 5]), 12).trimmed(); } if (data[co + 3] == 0xfe) { const QByteArray id = QByteArray((const char *)(&data[co + 5]), 12).trimmed(); if (!id.isEmpty()) { edid.eisaId = id; } } if (data[co + 3] == 0xff) { edid.serialNumber = QByteArray((const char *)(&data[co + 5]), 12).trimmed(); } } } static QByteArray extractSerialNumber(drmModePropertyBlobPtr edid) { // see section 3.4 const uint8_t *data = reinterpret_cast(edid->data); static const uint offset = 0x0C; /* * The ID serial number is a 32-bit serial number used to differentiate between individual instances of the same model * of monitor. Its use is optional. When used, the bit order for this field follows that shown in Table 3.6. The EDID * structure Version 1 Revision 1 and later offer a way to represent the serial number of the monitor as an ASCII string * in a separate descriptor block. */ uint32_t serialNumber = 0; serialNumber = (uint32_t) data[offset + 0]; serialNumber |= (uint32_t) data[offset + 1] << 8; serialNumber |= (uint32_t) data[offset + 2] << 16; serialNumber |= (uint32_t) data[offset + 3] << 24; if (serialNumber == 0) { return QByteArray(); } return QByteArray::number(serialNumber); } static QSize extractPhysicalSize(drmModePropertyBlobPtr edid) { const uint8_t *data = reinterpret_cast(edid->data); return QSize(data[0x15], data[0x16]) * 10; } void DrmOutput::initEdid(drmModeConnector *connector) { ScopedDrmPointer<_drmModePropertyBlob, &drmModeFreePropertyBlob> edid; for (int i = 0; i < connector->count_props; ++i) { ScopedDrmPointer<_drmModeProperty, &drmModeFreeProperty> property(drmModeGetProperty(m_backend->fd(), connector->props[i])); if (!property) { continue; } if ((property->flags & DRM_MODE_PROP_BLOB) && qstrcmp(property->name, "EDID") == 0) { edid.reset(drmModeGetPropertyBlob(m_backend->fd(), connector->prop_values[i])); } } if (!edid) { return; } // for documentation see: http://read.pudn.com/downloads110/ebook/456020/E-EDID%20Standard.pdf if (edid->length < 128) { return; } if (!verifyEdidHeader(edid.data())) { return; } m_edid.eisaId = extractEisaId(edid.data()); m_edid.serialNumber = extractSerialNumber(edid.data()); // parse monitor descriptor description extractMonitorDescriptorDescription(edid.data(), m_edid); m_edid.physicalSize = extractPhysicalSize(edid.data()); } bool DrmOutput::initPrimaryPlane() { for (int i = 0; i < m_backend->planes().size(); ++i) { DrmPlane* p = m_backend->planes()[i]; if (!p) { continue; } if (p->type() != DrmPlane::TypeIndex::Primary) { continue; } if (p->output()) { // Plane already has an output continue; } if (m_primaryPlane) { // Output already has a primary plane continue; } - if (!p->isCrtcSupported(m_crtcId)) { + if (!p->isCrtcSupported(m_crtc->id())) { continue; } p->setOutput(this); m_primaryPlane = p; - qCDebug(KWIN_DRM) << "Initialized primary plane" << p->id() << "on CRTC" << m_crtcId; + qCDebug(KWIN_DRM) << "Initialized primary plane" << p->id() << "on CRTC" << m_crtc->id(); return true; } qCCritical(KWIN_DRM) << "Failed to initialize primary plane."; return false; } bool DrmOutput::initCursorPlane() // TODO: Add call in init (but needs layer support in general first) { for (int i = 0; i < m_backend->planes().size(); ++i) { DrmPlane* p = m_backend->planes()[i]; if (!p) { continue; } if (p->type() != DrmPlane::TypeIndex::Cursor) { continue; } if (p->output()) { // Plane already has an output continue; } if (m_cursorPlane) { // Output already has a cursor plane continue; } - if (!p->isCrtcSupported(m_crtcId)) { + if (!p->isCrtcSupported(m_crtc->id())) { continue; } p->setOutput(this); m_cursorPlane = p; - qCDebug(KWIN_DRM) << "Initialized cursor plane" << p->id() << "on CRTC" << m_crtcId; + qCDebug(KWIN_DRM) << "Initialized cursor plane" << p->id() << "on CRTC" << m_crtc->id(); return true; } return false; } void DrmOutput::initDpms(drmModeConnector *connector) { for (int i = 0; i < connector->count_props; ++i) { ScopedDrmPointer<_drmModeProperty, &drmModeFreeProperty> property(drmModeGetProperty(m_backend->fd(), connector->props[i])); if (!property) { continue; } if (qstrcmp(property->name, "DPMS") == 0) { m_dpms.swap(property); break; } } } void DrmOutput::setDpms(DrmOutput::DpmsMode mode) { if (m_dpms.isNull()) { return; } if (mode == m_dpmsMode) { qCDebug(KWIN_DRM) << "New DPMS mode equals old mode. DPMS unchanged."; return; } if (m_backend->atomicModeSetting()) { drmModeAtomicReq *req = drmModeAtomicAlloc(); if (atomicReqModesetPopulate(req, mode == DpmsMode::On) == DrmObject::AtomicReturn::Error) { - qCWarning(KWIN_DRM) << "Failed to populate atomic request for output" << m_crtcId; + qCWarning(KWIN_DRM) << "Failed to populate atomic request for output" << m_crtc->id(); return; } if (drmModeAtomicCommit(m_backend->fd(), req, DRM_MODE_ATOMIC_ALLOW_MODESET, this)) { - qCWarning(KWIN_DRM) << "Failed to commit atomic request for output" << m_crtcId; + qCWarning(KWIN_DRM) << "Failed to commit atomic request for output" << m_crtc->id(); } else { - qCDebug(KWIN_DRM) << "DPMS set for output" << m_crtcId; + qCDebug(KWIN_DRM) << "DPMS set for output" << m_crtc->id(); } drmModeAtomicFree(req); } else { - if (drmModeConnectorSetProperty(m_backend->fd(), m_connector, m_dpms->prop_id, uint64_t(mode)) < 0) { + if (drmModeConnectorSetProperty(m_backend->fd(), m_conn->id(), m_dpms->prop_id, uint64_t(mode)) < 0) { qCWarning(KWIN_DRM) << "Setting DPMS failed"; return; } } m_dpmsMode = mode; if (m_waylandOutput) { m_waylandOutput->setDpmsMode(toWaylandDpmsMode(m_dpmsMode)); } emit dpmsChanged(); if (m_dpmsMode != DpmsMode::On) { m_backend->outputWentOff(); } else { m_backend->checkOutputsAreOn(); - blank(); + m_crtc->blank(); if (Compositor *compositor = Compositor::self()) { compositor->addRepaintFull(); } } } QString DrmOutput::name() const { if (!m_waylandOutput) { return i18n("unknown"); } return QStringLiteral("%1 %2").arg(m_waylandOutput->manufacturer()).arg(m_waylandOutput->model()); } int DrmOutput::currentRefreshRate() const { if (!m_waylandOutput) { return 60000; } return m_waylandOutput->refreshRate(); } void DrmOutput::setGlobalPos(const QPoint &pos) { m_globalPos = pos; if (m_waylandOutput) { m_waylandOutput->setGlobalPosition(pos); } if (m_waylandOutputDevice) { m_waylandOutputDevice->setGlobalPosition(pos); } } void DrmOutput::setScale(qreal scale) { m_scale = scale; if (m_waylandOutput) { m_waylandOutput->setScale(scale); } if (m_waylandOutputDevice) { m_waylandOutputDevice->setScale(scale); } } void DrmOutput::setChanges(KWayland::Server::OutputChangeSet *changes) { m_changeset = changes; qCDebug(KWIN_DRM) << "set changes in DrmOutput"; commitChanges(); } bool DrmOutput::commitChanges() { Q_ASSERT(!m_waylandOutputDevice.isNull()); Q_ASSERT(!m_waylandOutput.isNull()); if (m_changeset.isNull()) { qCDebug(KWIN_DRM) << "no changes"; // No changes to an output is an entirely valid thing return true; } if (m_changeset->enabledChanged()) { qCDebug(KWIN_DRM) << "Setting enabled:"; m_waylandOutputDevice->setEnabled(m_changeset->enabled()); } if (m_changeset->modeChanged()) { qCDebug(KWIN_DRM) << "Setting new mode:" << m_changeset->mode(); m_waylandOutputDevice->setCurrentMode(m_changeset->mode()); // FIXME: implement for wl_output } if (m_changeset->transformChanged()) { qCDebug(KWIN_DRM) << "Server setting transform: " << (int)(m_changeset->transform()); m_waylandOutputDevice->setTransform(m_changeset->transform()); // FIXME: implement for wl_output } if (m_changeset->positionChanged()) { qCDebug(KWIN_DRM) << "Server setting position: " << m_changeset->position(); m_waylandOutput->setGlobalPosition(m_changeset->position()); m_waylandOutputDevice->setGlobalPosition(m_changeset->position()); setGlobalPos(m_changeset->position()); // may just work already! } if (m_changeset->scaleChanged()) { qCDebug(KWIN_DRM) << "Setting scale:" << m_changeset->scale(); setScale(m_changeset->scale()); } return true; } void DrmOutput::pageFlipped() { + if (!m_crtc) { + return; + } if (m_backend->atomicModeSetting()){ foreach (DrmPlane *p, m_planesFlipList) { pageFlippedBufferRemover(p->current(), p->next()); p->setCurrent(p->next()); p->setNext(nullptr); } m_planesFlipList.clear(); } else { - if (!m_nextBuffer) { + if (!m_crtc->next()) { // on manual vt switch - if (m_currentBuffer) { - m_currentBuffer->releaseGbm(); + if (DrmBuffer *b = m_crtc->current()) { + b->releaseGbm(); } return; } - pageFlippedBufferRemover(m_currentBuffer, m_nextBuffer); - m_currentBuffer = m_nextBuffer; - m_nextBuffer = nullptr; + m_crtc->flipBuffer(); } - cleanupBlackBuffer(); } void DrmOutput::pageFlippedBufferRemover(DrmBuffer *oldbuffer, DrmBuffer *newbuffer) { if (oldbuffer && oldbuffer->deleteAfterPageFlip() && oldbuffer != newbuffer) { delete oldbuffer; } } -void DrmOutput::cleanupBlackBuffer() -{ - if (m_blackBuffer) { - delete m_blackBuffer; - m_blackBuffer = nullptr; - } -} - -bool DrmOutput::blank() -{ - if (!m_blackBuffer) { - m_blackBuffer = m_backend->createBuffer(pixelSize()); - if (!m_blackBuffer->map()) { - cleanupBlackBuffer(); - return false; - } - m_blackBuffer->image()->fill(Qt::black); - } - // TODO: Do this atomically - return setModeLegacy(m_blackBuffer); -} - bool DrmOutput::present(DrmBuffer *buffer) { if (!buffer || buffer->bufferId() == 0) { return false; } if (m_backend->atomicModeSetting()) { return presentAtomically(buffer); } else { return presentLegacy(buffer); } } bool DrmOutput::presentAtomically(DrmBuffer *buffer) { if (!LogindIntegration::self()->isActiveSession()) { qCWarning(KWIN_DRM) << "Logind session not active."; return false; } if (m_dpmsMode != DpmsMode::On) { qCWarning(KWIN_DRM) << "No present() while screen off."; return false; } if (m_primaryPlane->next()) { qCWarning(KWIN_DRM) << "Page not yet flipped."; return false; } DrmObject::AtomicReturn ret; uint32_t flags = DRM_MODE_ATOMIC_NONBLOCK | DRM_MODE_PAGE_FLIP_EVENT; // TODO: throwing an exception would be really handy here! (would mean change of compile options) drmModeAtomicReq *req = drmModeAtomicAlloc(); if (!req) { qCWarning(KWIN_DRM) << "DRM: couldn't allocate atomic request"; delete buffer; return false; } // Do we need to set a new mode first? bool doModeset = !m_primaryPlane->current(); if (doModeset) { qCDebug(KWIN_DRM) << "Atomic Modeset requested"; if (drmModeCreatePropertyBlob(m_backend->fd(), &m_mode, sizeof(m_mode), &m_blobId)) { qCWarning(KWIN_DRM) << "Failed to create property blob"; delete buffer; return false; } ret = atomicReqModesetPopulate(req, true); if (ret == DrmObject::AtomicReturn::Error){ drmModeAtomicFree(req); delete buffer; return false; } if (ret == DrmObject::AtomicReturn::Success) { flags |= DRM_MODE_ATOMIC_ALLOW_MODESET; } } m_primaryPlane->setNext(buffer); // TODO: Later not only use the primary plane for the buffer! // i.e.: Assign planes bool anyDamage = false; foreach (DrmPlane* p, m_backend->planes()){ if (p->output() != this) { continue; } ret = p->atomicReqPlanePopulate(req); if (ret == DrmObject::AtomicReturn::Error) { drmModeAtomicFree(req); m_primaryPlane->setNext(nullptr); m_planesFlipList.clear(); delete buffer; return false; } if (ret == DrmObject::AtomicReturn::Success) { anyDamage = true; m_planesFlipList << p; } } // no damage but force flip for atleast the primary plane anyway if (!anyDamage) { m_primaryPlane->setPropsValid(0); if (m_primaryPlane->atomicReqPlanePopulate(req) == DrmObject::AtomicReturn::Error) { drmModeAtomicFree(req); m_primaryPlane->setNext(nullptr); m_planesFlipList.clear(); delete buffer; return false; } m_planesFlipList << m_primaryPlane; } if (drmModeAtomicCommit(m_backend->fd(), req, flags, this)) { qCWarning(KWIN_DRM) << "Atomic request failed to commit:" << strerror(errno); drmModeAtomicFree(req); m_primaryPlane->setNext(nullptr); m_planesFlipList.clear(); delete buffer; return false; } if (doModeset) { m_crtc->setPropsValid(m_crtc->propsValid() | m_crtc->propsPending()); m_conn->setPropsValid(m_conn->propsValid() | m_conn->propsPending()); } foreach (DrmPlane* p, m_planesFlipList) { p->setPropsValid(p->propsValid() | p->propsPending()); } drmModeAtomicFree(req); return true; } bool DrmOutput::presentLegacy(DrmBuffer *buffer) { - if (m_nextBuffer) { + if (m_crtc->next()) { return false; } if (!LogindIntegration::self()->isActiveSession()) { - m_nextBuffer = buffer; + m_crtc->setNext(buffer); return false; } if (m_dpmsMode != DpmsMode::On) { return false; } // Do we need to set a new mode first? if (m_lastStride != buffer->stride() || m_lastGbm != buffer->isGbm()){ if (!setModeLegacy(buffer)) return false; } int errno_save = 0; - const bool ok = drmModePageFlip(m_backend->fd(), m_crtcId, buffer->bufferId(), DRM_MODE_PAGE_FLIP_EVENT, this) == 0; + const bool ok = drmModePageFlip(m_backend->fd(), m_crtc->id(), buffer->bufferId(), DRM_MODE_PAGE_FLIP_EVENT, this) == 0; if (ok) { - m_nextBuffer = buffer; + m_crtc->setNext(buffer); } else { errno_save = errno; qCWarning(KWIN_DRM) << "Page flip failed:" << strerror(errno); delete buffer; } return ok; } bool DrmOutput::setModeLegacy(DrmBuffer *buffer) { - if (drmModeSetCrtc(m_backend->fd(), m_crtcId, buffer->bufferId(), 0, 0, &m_connector, 1, &m_mode) == 0) { + uint32_t connId = m_conn->id(); + if (drmModeSetCrtc(m_backend->fd(), m_crtc->id(), buffer->bufferId(), 0, 0, &connId, 1, &m_mode) == 0) { m_lastStride = buffer->stride(); m_lastGbm = buffer->isGbm(); return true; } else { qCWarning(KWIN_DRM) << "Mode setting failed"; return false; } } DrmObject::AtomicReturn DrmOutput::atomicReqModesetPopulate(drmModeAtomicReq *req, bool enable) { if (enable) { m_primaryPlane->setPropValue(int(DrmPlane::PropertyIndex::SrcW), m_mode.hdisplay << 16); m_primaryPlane->setPropValue(int(DrmPlane::PropertyIndex::SrcH), m_mode.vdisplay << 16); m_primaryPlane->setPropValue(int(DrmPlane::PropertyIndex::CrtcW), m_mode.hdisplay); m_primaryPlane->setPropValue(int(DrmPlane::PropertyIndex::CrtcH), m_mode.vdisplay); } else { m_primaryPlane->setPropValue(int(DrmPlane::PropertyIndex::SrcW), 0); m_primaryPlane->setPropValue(int(DrmPlane::PropertyIndex::SrcH), 0); m_primaryPlane->setPropValue(int(DrmPlane::PropertyIndex::CrtcW), 0); m_primaryPlane->setPropValue(int(DrmPlane::PropertyIndex::CrtcH), 0); } bool ret = true; m_crtc->setPropsPending(0); m_conn->setPropsPending(0); ret &= m_conn->atomicAddProperty(req, int(DrmConnector::PropertyIndex::CrtcId), enable ? m_crtc->id() : 0); ret &= m_crtc->atomicAddProperty(req, int(DrmCrtc::PropertyIndex::ModeId), enable ? m_blobId : 0); ret &= m_crtc->atomicAddProperty(req, int(DrmCrtc::PropertyIndex::Active), enable); if (!ret) { qCWarning(KWIN_DRM) << "Failed to populate atomic modeset"; return DrmObject::AtomicReturn::Error; } if (!m_crtc->propsPending() && !m_conn->propsPending()) { return DrmObject::AtomicReturn::NoChange; } return DrmObject::AtomicReturn::Success; } } diff --git a/plugins/platforms/drm/drm_output.h b/plugins/platforms/drm/drm_output.h index 064ca214b..bcf193b27 100644 --- a/plugins/platforms/drm/drm_output.h +++ b/plugins/platforms/drm/drm_output.h @@ -1,166 +1,154 @@ /******************************************************************** KWin - the KDE window manager This file is part of the KDE project. Copyright (C) 2015 Martin Gräßlin This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . *********************************************************************/ #ifndef KWIN_DRM_OUTPUT_H #define KWIN_DRM_OUTPUT_H #include "drm_pointer.h" #include "drm_object.h" #include #include #include #include #include #include namespace KWayland { namespace Server { class OutputInterface; class OutputDeviceInterface; class OutputChangeSet; class OutputManagementInterface; } } namespace KWin { class DrmBackend; class DrmBuffer; class DrmPlane; class DrmConnector; class DrmCrtc; class DrmOutput : public QObject { Q_OBJECT public: struct Edid { QByteArray eisaId; QByteArray monitorName; QByteArray serialNumber; QSize physicalSize; }; virtual ~DrmOutput(); - void cleanup(); + void releaseGbm(); void showCursor(DrmBuffer *buffer); void hideCursor(); void moveCursor(const QPoint &globalPos); bool init(drmModeConnector *connector); bool present(DrmBuffer *buffer); void pageFlipped(); - void restoreSaved(); - bool blank(); /** * This sets the changes and tests them against the DRM output */ void setChanges(KWayland::Server::OutputChangeSet *changeset); bool commitChanges(); QSize pixelSize() const; qreal scale() const; /* * The geometry of this output in global compositor co-ordinates (i.e scaled) */ QRect geometry() const; QString name() const; int currentRefreshRate() const; // These values are defined by the kernel enum class DpmsMode { On = DRM_MODE_DPMS_ON, Standby = DRM_MODE_DPMS_STANDBY, Suspend = DRM_MODE_DPMS_SUSPEND, Off = DRM_MODE_DPMS_OFF }; void setDpms(DpmsMode mode); bool isDpmsEnabled() const { return m_dpmsMode == DpmsMode::On; } QByteArray uuid() const { return m_uuid; } Q_SIGNALS: void dpmsChanged(); private: friend class DrmBackend; + friend class DrmCrtc; // TODO: For use of setModeLegacy. Remove later when we allow multiple connectors per crtc + // and save the connector ids in the DrmCrtc instance. DrmOutput(DrmBackend *backend); - void cleanupBlackBuffer(); bool presentAtomically(DrmBuffer *buffer); bool presentLegacy(DrmBuffer *buffer); bool setModeLegacy(DrmBuffer *buffer); void initEdid(drmModeConnector *connector); void initDpms(drmModeConnector *connector); bool isCurrentMode(const drmModeModeInfo *mode) const; void initUuid(); void setGlobalPos(const QPoint &pos); void setScale(qreal scale); void pageFlippedBufferRemover(DrmBuffer *oldbuffer, DrmBuffer *newbuffer); bool initPrimaryPlane(); bool initCursorPlane(); DrmObject::AtomicReturn atomicReqModesetPopulate(drmModeAtomicReq *req, bool enable); DrmBackend *m_backend; + DrmConnector *m_conn = nullptr; + DrmCrtc *m_crtc = nullptr; QPoint m_globalPos; qreal m_scale = 1; - quint32 m_crtcId = 0; - quint32 m_connector = 0; quint32 m_lastStride = 0; bool m_lastGbm = false; drmModeModeInfo m_mode; - DrmBuffer *m_currentBuffer = nullptr; - DrmBuffer *m_nextBuffer = nullptr; - DrmBuffer *m_blackBuffer = nullptr; - struct CrtcCleanup { - static void inline cleanup(_drmModeCrtc *ptr) { - drmModeFreeCrtc(ptr); // TODO: Atomically? See compositor-drm.c l.3670 - } - }; Edid m_edid; - QScopedPointer<_drmModeCrtc, CrtcCleanup> m_savedCrtc; QPointer m_waylandOutput; QPointer m_waylandOutputDevice; QPointer m_changeset; KWin::ScopedDrmPointer<_drmModeProperty, &drmModeFreeProperty> m_dpms; DpmsMode m_dpmsMode = DpmsMode::On; QByteArray m_uuid; - DrmConnector *m_conn = nullptr; - DrmCrtc *m_crtc = nullptr; uint32_t m_blobId = 0; DrmPlane* m_primaryPlane = nullptr; DrmPlane* m_cursorPlane = nullptr; QVector m_planesFlipList; }; } Q_DECLARE_METATYPE(KWin::DrmOutput*) #endif diff --git a/plugins/platforms/drm/egl_gbm_backend.cpp b/plugins/platforms/drm/egl_gbm_backend.cpp index 3653ead7a..a1d722857 100644 --- a/plugins/platforms/drm/egl_gbm_backend.cpp +++ b/plugins/platforms/drm/egl_gbm_backend.cpp @@ -1,354 +1,354 @@ /******************************************************************** KWin - the KDE window manager This file is part of the KDE project. Copyright (C) 2015 Martin Gräßlin This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . *********************************************************************/ #include "egl_gbm_backend.h" // kwin #include "composite.h" #include "drm_backend.h" #include "drm_output.h" #include "logging.h" #include "options.h" #include "screens.h" // kwin libs #include // Qt #include // system #include namespace KWin { EglGbmBackend::EglGbmBackend(DrmBackend *b) : QObject(NULL) , AbstractEglBackend() , m_backend(b) { // Egl is always direct rendering setIsDirectRendering(true); setSyncsToVBlank(true); connect(m_backend, &DrmBackend::outputAdded, this, &EglGbmBackend::createOutput); connect(m_backend, &DrmBackend::outputRemoved, this, [this] (DrmOutput *output) { auto it = std::find_if(m_outputs.begin(), m_outputs.end(), [output] (const Output &o) { return o.output == output; } ); if (it == m_outputs.end()) { return; } cleanupOutput(*it); m_outputs.erase(it); } ); } EglGbmBackend::~EglGbmBackend() { cleanup(); } void EglGbmBackend::cleanupSurfaces() { for (auto it = m_outputs.constBegin(); it != m_outputs.constEnd(); ++it) { cleanupOutput(*it); } } void EglGbmBackend::cleanupOutput(const Output &o) { - o.output->cleanup(); + o.output->releaseGbm(); if (o.eglSurface != EGL_NO_SURFACE) { eglDestroySurface(eglDisplay(), o.eglSurface); } if (o.gbmSurface) { gbm_surface_destroy(o.gbmSurface); } } bool EglGbmBackend::initializeEgl() { initClientExtensions(); EGLDisplay display = m_backend->sceneEglDisplay(); // Use eglGetPlatformDisplayEXT() to get the display pointer // if the implementation supports it. if (display == EGL_NO_DISPLAY) { if (!hasClientExtension(QByteArrayLiteral("EGL_EXT_platform_base")) || !hasClientExtension(QByteArrayLiteral("EGL_MESA_platform_gbm"))) { setFailed("EGL_EXT_platform_base and/or EGL_MESA_platform_gbm missing"); return false; } auto device = gbm_create_device(m_backend->fd()); if (!device) { setFailed("Could not create gbm device"); return false; } m_backend->setGbmDevice(device); display = eglGetPlatformDisplayEXT(EGL_PLATFORM_GBM_MESA, device, nullptr); } if (display == EGL_NO_DISPLAY) return false; setEglDisplay(display); return initEglAPI(); } void EglGbmBackend::init() { if (!initializeEgl()) { setFailed("Could not initialize egl"); return; } if (!initRenderingContext()) { setFailed("Could not initialize rendering context"); return; } initKWinGL(); initBufferAge(); initWayland(); } bool EglGbmBackend::initRenderingContext() { initBufferConfigs(); if (!createContext()) { return false; } const auto outputs = m_backend->outputs(); for (DrmOutput *drmOutput: outputs) { createOutput(drmOutput); } if (m_outputs.isEmpty()) { qCCritical(KWIN_DRM) << "Create Window Surfaces failed"; return false; } // set our first surface as the one for the abstract backend, just to make it happy setSurface(m_outputs.first().eglSurface); return makeContextCurrent(m_outputs.first()); } void EglGbmBackend::createOutput(DrmOutput *drmOutput) { Output o; o.output = drmOutput; auto size = drmOutput->pixelSize(); o.gbmSurface = gbm_surface_create(m_backend->gbmDevice(), size.width(), size.height(), GBM_FORMAT_XRGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING); if (!o.gbmSurface) { qCCritical(KWIN_DRM) << "Create gbm surface failed"; return; } o.eglSurface = eglCreatePlatformWindowSurfaceEXT(eglDisplay(), config(), (void *)o.gbmSurface, nullptr); if (o.eglSurface == EGL_NO_SURFACE) { qCCritical(KWIN_DRM) << "Create Window Surface failed"; gbm_surface_destroy(o.gbmSurface); return; } m_outputs << o; } bool EglGbmBackend::makeContextCurrent(const Output &output) { const EGLSurface surface = output.eglSurface; if (surface == EGL_NO_SURFACE) { return false; } if (eglMakeCurrent(eglDisplay(), surface, surface, context()) == EGL_FALSE) { qCCritical(KWIN_DRM) << "Make Context Current failed"; return false; } EGLint error = eglGetError(); if (error != EGL_SUCCESS) { qCWarning(KWIN_DRM) << "Error occurred while creating context " << error; return false; } // TODO: ensure the viewport is set correctly each time const QSize &overall = screens()->size(); const QRect &v = output.output->geometry(); // TODO: are the values correct? qreal scale = output.output->scale(); glViewport(-v.x() * scale, (v.height() - overall.height() - v.y()) * scale, overall.width() * scale, overall.height() * scale); return true; } bool EglGbmBackend::initBufferConfigs() { const EGLint config_attribs[] = { EGL_SURFACE_TYPE, EGL_WINDOW_BIT, EGL_RED_SIZE, 1, EGL_GREEN_SIZE, 1, EGL_BLUE_SIZE, 1, EGL_ALPHA_SIZE, 0, EGL_RENDERABLE_TYPE, isOpenGLES() ? EGL_OPENGL_ES2_BIT : EGL_OPENGL_BIT, EGL_CONFIG_CAVEAT, EGL_NONE, EGL_NONE, }; EGLint count; EGLConfig configs[1024]; if (eglChooseConfig(eglDisplay(), config_attribs, configs, 1, &count) == EGL_FALSE) { qCCritical(KWIN_DRM) << "choose config failed"; return false; } if (count != 1) { qCCritical(KWIN_DRM) << "choose config did not return a config" << count; return false; } setConfig(configs[0]); return true; } void EglGbmBackend::present() { for (auto &o: m_outputs) { makeContextCurrent(o); presentOnOutput(o); } } void EglGbmBackend::presentOnOutput(EglGbmBackend::Output &o) { eglSwapBuffers(eglDisplay(), o.eglSurface); o.buffer = m_backend->createBuffer(o.gbmSurface); m_backend->present(o.buffer, o.output); if (supportsBufferAge()) { eglQuerySurface(eglDisplay(), o.eglSurface, EGL_BUFFER_AGE_EXT, &o.bufferAge); } } void EglGbmBackend::screenGeometryChanged(const QSize &size) { Q_UNUSED(size) // TODO, create new buffer? } SceneOpenGL::TexturePrivate *EglGbmBackend::createBackendTexture(SceneOpenGL::Texture *texture) { return new EglGbmTexture(texture, this); } QRegion EglGbmBackend::prepareRenderingFrame() { startRenderTimer(); return QRegion(); } QRegion EglGbmBackend::prepareRenderingForScreen(int screenId) { const Output &o = m_outputs.at(screenId); makeContextCurrent(o); if (supportsBufferAge()) { QRegion region; // Note: An age of zero means the buffer contents are undefined if (o.bufferAge > 0 && o.bufferAge <= o.damageHistory.count()) { for (int i = 0; i < o.bufferAge - 1; i++) region |= o.damageHistory[i]; } else { region = o.output->geometry(); } return region; } return QRegion(); } void EglGbmBackend::endRenderingFrame(const QRegion &renderedRegion, const QRegion &damagedRegion) { Q_UNUSED(renderedRegion) Q_UNUSED(damagedRegion) } void EglGbmBackend::endRenderingFrameForScreen(int screenId, const QRegion &renderedRegion, const QRegion &damagedRegion) { Output &o = m_outputs[screenId]; if (damagedRegion.intersected(o.output->geometry()).isEmpty() && screenId == 0) { // If the damaged region of a window is fully occluded, the only // rendering done, if any, will have been to repair a reused back // buffer, making it identical to the front buffer. // // In this case we won't post the back buffer. Instead we'll just // set the buffer age to 1, so the repaired regions won't be // rendered again in the next frame. if (!renderedRegion.intersected(o.output->geometry()).isEmpty()) glFlush(); for (auto &o: m_outputs) { o.bufferAge = 1; } return; } presentOnOutput(o); // Save the damaged region to history // Note: damage history is only collected for the first screen. For any other screen full repaints // are triggered. This is due to a limitation in Scene::paintGenericScreen which resets the Toplevel's // repaint. So multiple calls to Scene::paintScreen as it's done in multi-output rendering only // have correct damage information for the first screen. If we try to track damage nevertheless, // it creates artifacts. So for the time being we work around the problem by only supporting buffer // age on the first output. To properly support buffer age on all outputs the rendering needs to // be refactored in general. if (supportsBufferAge() && screenId == 0) { if (o.damageHistory.count() > 10) { o.damageHistory.removeLast(); } o.damageHistory.prepend(damagedRegion.intersected(o.output->geometry())); } } bool EglGbmBackend::usesOverlayWindow() const { return false; } bool EglGbmBackend::perScreenRendering() const { return true; } /************************************************ * EglTexture ************************************************/ EglGbmTexture::EglGbmTexture(KWin::SceneOpenGL::Texture *texture, EglGbmBackend *backend) : AbstractEglTexture(texture, backend) { } EglGbmTexture::~EglGbmTexture() = default; } // namespace