diff --git a/plugins/platforms/drm/drm_backend.h b/plugins/platforms/drm/drm_backend.h index 545865187..93333279a 100644 --- a/plugins/platforms/drm/drm_backend.h +++ b/plugins/platforms/drm/drm_backend.h @@ -1,203 +1,207 @@ /******************************************************************** 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" #if HAVE_GBM #include "drm_buffer_gbm.h" #endif #include "drm_inputeventfilter.h" #include "drm_pointer.h" #include #include #include #include #include #include #include struct gbm_bo; struct gbm_device; struct gbm_surface; namespace KWin { class Udev; class UdevMonitor; class DrmOutput; class DrmPlane; class DrmCrtc; class DrmConnector; class GbmSurface; class Cursor; 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); ~DrmBackend() override; Screens *createScreens(QObject *parent = nullptr) override; QPainterBackend *createQPainterBackend() override; OpenGLBackend* createOpenGLBackend() override; void init() override; void prepareShutdown() override; DrmDumbBuffer *createBuffer(const QSize &size); #if HAVE_GBM DrmSurfaceBuffer *createBuffer(const std::shared_ptr &surface); #endif bool present(DrmBuffer *buffer, DrmOutput *output); int fd() const { return m_fd; } Outputs outputs() const override; Outputs enabledOutputs() const override; QVector drmOutputs() const { return m_outputs; } QVector drmEnabledOutputs() const { return m_enabledOutputs; } void enableOutput(DrmOutput *output, bool enable); QVector planes() const { return m_planes; } QVector overlayPlanes() const { return m_overlayPlanes; } void createDpmsFilter(); void checkOutputsAreOn(); // QPainter reuses buffers bool deleteBufferAfterPageFlip() const { return m_deleteBufferAfterPageFlip; } // 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; } QByteArray devNode() const { return m_devNode; } #if HAVE_EGL_STREAMS bool useEglStreams() const { return m_useEglStreams; } #endif QVector supportedCompositors() const override; QString supportInformation() const override; + bool isCursorEnabled() const { + return m_cursorEnabled; + }; + public Q_SLOTS: void turnOutputsOn(); Q_SIGNALS: /** * Emitted whenever an output is removed/disabled */ void outputRemoved(KWin::DrmOutput *output); /** * Emitted whenever an output is added/enabled */ 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(); bool updateOutputs(); void setCursor(); void updateCursor(); void moveCursor(Cursor *cursor, const QPoint &pos); void initCursor(); void readOutputsConfiguration(); void writeOutputsConfiguration(); QByteArray generateOutputConfigurationUuid() const; DrmOutput *findOutput(quint32 connector); void updateOutputsEnabled(); QScopedPointer m_udev; QScopedPointer m_udevMonitor; int m_fd = -1; int m_drmId = 0; // all crtcs QVector m_crtcs; // all connectors QVector m_connectors; // active output pipelines (planes + crtc + encoder + connector) QVector m_outputs; // active and enabled pipelines (above + wl_output) QVector m_enabledOutputs; bool m_deleteBufferAfterPageFlip; bool m_atomicModeSetting = false; bool m_cursorEnabled = false; QSize m_cursorSize; int m_pageFlipsPending = 0; bool m_active = false; QByteArray m_devNode; #if HAVE_EGL_STREAMS bool m_useEglStreams = false; #endif // all available planes: primarys, cursors and overlays QVector m_planes; QVector m_overlayPlanes; QScopedPointer m_dpmsFilter; gbm_device *m_gbmDevice = nullptr; }; } #endif diff --git a/plugins/platforms/drm/drm_output.cpp b/plugins/platforms/drm/drm_output.cpp index 0d3ee9778..da6fe4028 100644 --- a/plugins/platforms/drm/drm_output.cpp +++ b/plugins/platforms/drm/drm_output.cpp @@ -1,1103 +1,1106 @@ /******************************************************************** 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 "composite.h" #include "cursor.h" #include "logind.h" #include "logging.h" #include "main.h" #include "screens_drm.h" #include "wayland_server.h" // KWayland #include // KF5 #include #include #include // Qt #include #include #include // c++ #include // drm #include #include #include namespace KWin { DrmOutput::DrmOutput(DrmBackend *backend) : AbstractWaylandOutput(backend) , m_backend(backend) { } DrmOutput::~DrmOutput() { Q_ASSERT(!m_pageFlipPending); teardown(); } void DrmOutput::teardown() { if (m_deleted) { return; } m_deleted = true; hideCursor(); m_crtc->blank(); if (m_primaryPlane) { // TODO: when having multiple planes, also clean up these m_primaryPlane->setOutput(nullptr); if (m_backend->deleteBufferAfterPageFlip()) { delete m_primaryPlane->current(); } m_primaryPlane->setCurrent(nullptr); } if (m_cursorPlane) { m_cursorPlane->setOutput(nullptr); } m_crtc->setOutput(nullptr); m_conn->setOutput(nullptr); delete m_cursor[0]; m_cursor[0] = nullptr; delete m_cursor[1]; m_cursor[1] = nullptr; if (!m_pageFlipPending) { deleteLater(); } //else will be deleted in the page flip handler //this is needed so that the pageflipcallback handle isn't deleted } void DrmOutput::releaseGbm() { if (DrmBuffer *b = m_crtc->current()) { b->releaseGbm(); } if (m_primaryPlane && m_primaryPlane->current()) { m_primaryPlane->current()->releaseGbm(); } } bool DrmOutput::hideCursor() { return drmModeSetCursor(m_backend->fd(), m_crtc->id(), 0, 0, 0) == 0; } bool DrmOutput::showCursor(DrmDumbBuffer *c) { const QSize &s = c->size(); return drmModeSetCursor(m_backend->fd(), m_crtc->id(), c->handle(), s.width(), s.height()) == 0; } bool DrmOutput::showCursor() { const bool ret = showCursor(m_cursor[m_cursorIndex]); if (!ret) { return ret; } if (m_hasNewCursor) { m_cursorIndex = (m_cursorIndex + 1) % 2; m_hasNewCursor = false; } return ret; } // TODO: Do we need to handle the flipped cases differently? int transformToRotation(DrmOutput::Transform transform) { switch (transform) { case DrmOutput::Transform::Normal: case DrmOutput::Transform::Flipped: return 0; case DrmOutput::Transform::Rotated90: case DrmOutput::Transform::Flipped90: return 90; case DrmOutput::Transform::Rotated180: case DrmOutput::Transform::Flipped180: return 180; case DrmOutput::Transform::Rotated270: case DrmOutput::Transform::Flipped270: return 270; } Q_UNREACHABLE(); return 0; } QMatrix4x4 DrmOutput::matrixDisplay(const QSize &s) const { QMatrix4x4 matrix; const int angle = transformToRotation(transform()); if (angle) { const QSize center = s / 2; matrix.translate(center.width(), center.height()); matrix.rotate(-angle, 0, 0, 1); matrix.translate(-center.width(), -center.height()); } matrix.scale(scale()); return matrix; } void DrmOutput::updateCursor() { QImage cursorImage = Cursors::self()->currentCursor()->image(); if (cursorImage.isNull()) { return; } m_hasNewCursor = true; QImage *c = m_cursor[m_cursorIndex]->image(); c->fill(Qt::transparent); QPainter p; p.begin(c); p.setWorldTransform(matrixDisplay(QSize(cursorImage.width(), cursorImage.height())).toTransform()); p.drawImage(QPoint(0, 0), cursorImage); p.end(); } void DrmOutput::moveCursor(Cursor* cursor, const QPoint &globalPos) { const QMatrix4x4 hotspotMatrix = matrixDisplay(cursor->image().size()); const QPoint localPos = globalPos - AbstractWaylandOutput::globalPos(); QPoint pos = localPos; // TODO: Do we need to handle the flipped cases differently? switch (transform()) { case Transform::Normal: case Transform::Flipped: break; case Transform::Rotated90: case Transform::Flipped90: pos = QPoint(localPos.y(), pixelSize().width() / scale() - localPos.x()); break; case Transform::Rotated270: case Transform::Flipped270: pos = QPoint(pixelSize().height() / scale() - localPos.y(), localPos.x()); break; case Transform::Rotated180: case Transform::Flipped180: pos = QPoint(pixelSize().width() / scale() - localPos.x(), pixelSize().height() / scale() - localPos.y()); break; default: Q_UNREACHABLE(); } pos *= scale(); pos -= hotspotMatrix.map(cursor->hotspot()); drmModeMoveCursor(m_backend->fd(), m_crtc->id(), pos.x(), pos.y()); } 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")}, #ifdef DRM_MODE_CONNECTOR_DPI {DRM_MODE_CONNECTOR_DPI, QByteArrayLiteral("DPI")}, #endif }; namespace { quint64 refreshRateForMode(_drmModeModeInfo *m) { // 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; } return refreshRate; } } bool DrmOutput::init(drmModeConnector *connector) { initEdid(connector); initDpms(connector); initUuid(); if (m_backend->atomicModeSetting()) { if (!initPrimaryPlane()) { return false; } } setInternal(connector->connector_type == DRM_MODE_CONNECTOR_LVDS || connector->connector_type == DRM_MODE_CONNECTOR_eDP || connector->connector_type == DRM_MODE_CONNECTOR_DSI); setDpmsSupported(true); initOutputDevice(connector); if (!m_backend->atomicModeSetting() && !m_crtc->blank()) { // We use legacy mode and the initial output blank failed. return false; } updateDpms(KWaylandServer::OutputInterface::DpmsMode::On); return true; } void DrmOutput::initUuid() { QCryptographicHash hash(QCryptographicHash::Md5); 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); } void DrmOutput::initOutputDevice(drmModeConnector *connector) { QString manufacturer; if (!m_edid.vendor().isEmpty()) { manufacturer = QString::fromLatin1(m_edid.vendor()); } else if (!m_edid.eisaId().isEmpty()) { manufacturer = QString::fromLatin1(m_edid.eisaId()); } QString connectorName = s_connectorNames.value(connector->connector_type, QByteArrayLiteral("Unknown")) + QStringLiteral("-") + QString::number(connector->connector_type_id); QString modelName; if (!m_edid.monitorName().isEmpty()) { QString m = QString::fromLatin1(m_edid.monitorName()); if (!m_edid.serialNumber().isEmpty()) { m.append('/'); m.append(QString::fromLatin1(m_edid.serialNumber())); } modelName = m; } else if (!m_edid.serialNumber().isEmpty()) { modelName = QString::fromLatin1(m_edid.serialNumber()); } else { modelName = i18n("unknown"); } const QString model = connectorName + QStringLiteral("-") + modelName; // read in mode information QVector modes; 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]; KWaylandServer::OutputDeviceInterface::ModeFlags deviceflags; if (isCurrentMode(m)) { deviceflags |= KWaylandServer::OutputDeviceInterface::ModeFlag::Current; } if (m->type & DRM_MODE_TYPE_PREFERRED) { deviceflags |= KWaylandServer::OutputDeviceInterface::ModeFlag::Preferred; } KWaylandServer::OutputDeviceInterface::Mode mode; mode.id = i; mode.size = QSize(m->hdisplay, m->vdisplay); mode.flags = deviceflags; mode.refreshRate = refreshRateForMode(m); modes << mode; } 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("unknown"); 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; } setName(connectorName); initInterfaces(model, manufacturer, m_uuid, physicalSize, modes); } 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; } void DrmOutput::initEdid(drmModeConnector *connector) { DrmScopedPointer edid; for (int i = 0; i < connector->count_props; ++i) { DrmScopedPointer 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; } m_edid = Edid(edid->data, edid->length); if (!m_edid.isValid()) { qCWarning(KWIN_DRM, "Couldn't parse EDID for connector with id %d", m_conn->id()); } } 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_crtc->resIndex())) { continue; } p->setOutput(this); m_primaryPlane = p; 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_crtc->resIndex())) { continue; } p->setOutput(this); m_cursorPlane = p; qCDebug(KWIN_DRM) << "Initialized cursor plane" << p->id() << "on CRTC" << m_crtc->id(); return true; } return false; } bool DrmOutput::initCursor(const QSize &cursorSize) { auto createCursor = [this, cursorSize] (int index) { m_cursor[index] = m_backend->createBuffer(cursorSize); if (!m_cursor[index]->map(QImage::Format_ARGB32_Premultiplied)) { return false; } return true; }; if (!createCursor(0) || !createCursor(1)) { return false; } return true; } void DrmOutput::initDpms(drmModeConnector *connector) { for (int i = 0; i < connector->count_props; ++i) { DrmScopedPointer property(drmModeGetProperty(m_backend->fd(), connector->props[i])); if (!property) { continue; } if (qstrcmp(property->name, "DPMS") == 0) { m_dpms.swap(property); break; } } } void DrmOutput::updateEnablement(bool enable) { if (enable) { m_dpmsModePending = DpmsMode::On; if (m_backend->atomicModeSetting()) { atomicEnable(); } else { if (dpmsLegacyApply()) { m_backend->enableOutput(this, true); } } } else { m_dpmsModePending = DpmsMode::Off; if (m_backend->atomicModeSetting()) { atomicDisable(); } else { if (dpmsLegacyApply()) { m_backend->enableOutput(this, false); } } } } void DrmOutput::atomicEnable() { m_modesetRequested = true; if (m_atomicOffPending) { Q_ASSERT(m_pageFlipPending); m_atomicOffPending = false; } m_backend->enableOutput(this, true); if (Compositor *compositor = Compositor::self()) { compositor->addRepaintFull(); } } void DrmOutput::atomicDisable() { m_modesetRequested = true; m_backend->enableOutput(this, false); m_atomicOffPending = true; if (!m_pageFlipPending) { dpmsAtomicOff(); } } static DrmOutput::DpmsMode fromWaylandDpmsMode(KWaylandServer::OutputInterface::DpmsMode wlMode) { using namespace KWaylandServer; 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 KWaylandServer::OutputInterface::DpmsMode toWaylandDpmsMode(DrmOutput::DpmsMode mode) { using namespace KWaylandServer; 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(); } } void DrmOutput::updateDpms(KWaylandServer::OutputInterface::DpmsMode mode) { if (m_dpms.isNull() || !isEnabled()) { return; } const auto drmMode = fromWaylandDpmsMode(mode); if (drmMode == m_dpmsModePending) { qCDebug(KWIN_DRM) << "New DPMS mode equals old mode. DPMS unchanged."; return; } m_dpmsModePending = drmMode; if (m_backend->atomicModeSetting()) { m_modesetRequested = true; if (drmMode == DpmsMode::On) { if (m_atomicOffPending) { Q_ASSERT(m_pageFlipPending); m_atomicOffPending = false; } dpmsFinishOn(); } else { m_atomicOffPending = true; if (!m_pageFlipPending) { dpmsAtomicOff(); } } } else { dpmsLegacyApply(); } } void DrmOutput::dpmsFinishOn() { qCDebug(KWIN_DRM) << "DPMS mode set for output" << m_crtc->id() << "to On."; auto wlOutput = waylandOutput(); if (wlOutput) { wlOutput->setDpmsMode(toWaylandDpmsMode(DpmsMode::On)); } m_backend->checkOutputsAreOn(); if (!m_backend->atomicModeSetting()) { m_crtc->blank(); } if (Compositor *compositor = Compositor::self()) { compositor->addRepaintFull(); } } void DrmOutput::dpmsFinishOff() { qCDebug(KWIN_DRM) << "DPMS mode set for output" << m_crtc->id() << "to Off."; if (isEnabled()) { waylandOutput()->setDpmsMode(toWaylandDpmsMode(m_dpmsModePending)); m_backend->createDpmsFilter(); } } bool DrmOutput::dpmsLegacyApply() { if (drmModeConnectorSetProperty(m_backend->fd(), m_conn->id(), m_dpms->prop_id, uint64_t(m_dpmsModePending)) < 0) { m_dpmsModePending = m_dpmsMode; qCWarning(KWIN_DRM) << "Setting DPMS failed"; return false; } if (m_dpmsModePending == DpmsMode::On) { dpmsFinishOn(); } else { dpmsFinishOff(); } m_dpmsMode = m_dpmsModePending; return true; } DrmPlane::Transformations outputToPlaneTransform(DrmOutput::Transform transform) { using OutTrans = DrmOutput::Transform; using PlaneTrans = DrmPlane::Transformation; // TODO: Do we want to support reflections (flips)? switch (transform) { case OutTrans::Normal: case OutTrans::Flipped: return PlaneTrans::Rotate0; case OutTrans::Rotated90: case OutTrans::Flipped90: return PlaneTrans::Rotate90; case OutTrans::Rotated180: case OutTrans::Flipped180: return PlaneTrans::Rotate180; case OutTrans::Rotated270: case OutTrans::Flipped270: return PlaneTrans::Rotate270; default: Q_UNREACHABLE(); } } bool DrmOutput::hardwareTransforms() const { if (!m_primaryPlane) { return false; } return m_primaryPlane->transformation() == outputToPlaneTransform(transform()); } int DrmOutput::rotation() const { return transformToRotation(transform()); } void DrmOutput::updateTransform(Transform transform) { const auto planeTransform = outputToPlaneTransform(transform); if (m_primaryPlane) { // At the moment we have to exclude hardware transforms for vertical buffers. // For that we need to support other buffers and graceful fallback from atomic tests. // Reason is that standard linear buffers are not suitable. const bool isPortrait = transform == Transform::Rotated90 || transform == Transform::Flipped90 || transform == Transform::Rotated270 || transform == Transform::Flipped270; if (!qEnvironmentVariableIsSet("KWIN_DRM_SW_ROTATIONS_ONLY") && (m_primaryPlane->supportedTransformations() & planeTransform) && !isPortrait) { m_primaryPlane->setTransformation(planeTransform); } else { m_primaryPlane->setTransformation(DrmPlane::Transformation::Rotate0); } } m_modesetRequested = true; - // the cursor might need to get rotated - updateCursor(); - showCursor(); + // show cursor only if is enabled, i.e if pointer device is presentP + if (m_backend->isCursorEnabled()) { + // the cursor might need to get rotated + updateCursor(); + showCursor(); + } } void DrmOutput::updateMode(int modeIndex) { // get all modes on the connector DrmScopedPointer connector(drmModeGetConnector(m_backend->fd(), m_conn->id())); if (connector->count_modes <= modeIndex) { // TODO: error? return; } if (isCurrentMode(&connector->modes[modeIndex])) { // nothing to do return; } m_mode = connector->modes[modeIndex]; m_modesetRequested = true; setWaylandMode(); } void DrmOutput::setWaylandMode() { AbstractWaylandOutput::setWaylandMode(QSize(m_mode.hdisplay, m_mode.vdisplay), refreshRateForMode(&m_mode)); } void DrmOutput::pageFlipped() { // In legacy mode we might get a page flip through a blank. Q_ASSERT(m_pageFlipPending || !m_backend->atomicModeSetting()); m_pageFlipPending = false; if (m_deleted) { deleteLater(); return; } if (!m_crtc) { return; } // Egl based surface buffers get destroyed, QPainter based dumb buffers not // TODO: split up DrmOutput in two for dumb and egl/gbm surface buffer compatible subclasses completely? if (m_backend->deleteBufferAfterPageFlip()) { if (m_backend->atomicModeSetting()) { if (!m_primaryPlane->next()) { // on manual vt switch // TODO: when we later use overlay planes it might happen, that we have a page flip with only // damage on one of these, and therefore the primary plane has no next buffer // -> Then we don't want to return here! if (m_primaryPlane->current()) { m_primaryPlane->current()->releaseGbm(); } return; } for (DrmPlane *p : m_nextPlanesFlipList) { p->flipBufferWithDelete(); } m_nextPlanesFlipList.clear(); } else { if (!m_crtc->next()) { // on manual vt switch if (DrmBuffer *b = m_crtc->current()) { b->releaseGbm(); } } m_crtc->flipBuffer(); } } else { if (m_backend->atomicModeSetting()){ for (DrmPlane *p : m_nextPlanesFlipList) { p->flipBuffer(); } m_nextPlanesFlipList.clear(); } else { m_crtc->flipBuffer(); } m_crtc->flipBuffer(); } if (m_atomicOffPending) { dpmsAtomicOff(); } } bool DrmOutput::present(DrmBuffer *buffer) { if (m_dpmsModePending != DpmsMode::On) { return false; } if (m_backend->atomicModeSetting()) { return presentAtomically(buffer); } else { return presentLegacy(buffer); } } bool DrmOutput::dpmsAtomicOff() { m_atomicOffPending = false; // TODO: With multiple planes: deactivate all of them here delete m_primaryPlane->next(); m_primaryPlane->setNext(nullptr); m_nextPlanesFlipList << m_primaryPlane; if (!doAtomicCommit(AtomicCommitMode::Test)) { qCDebug(KWIN_DRM) << "Atomic test commit to Dpms Off failed. Aborting."; return false; } if (!doAtomicCommit(AtomicCommitMode::Real)) { qCDebug(KWIN_DRM) << "Atomic commit to Dpms Off failed. This should have never happened! Aborting."; return false; } m_nextPlanesFlipList.clear(); dpmsFinishOff(); return true; } bool DrmOutput::presentAtomically(DrmBuffer *buffer) { if (!LogindIntegration::self()->isActiveSession()) { qCWarning(KWIN_DRM) << "Logind session not active."; return false; } if (m_pageFlipPending) { qCWarning(KWIN_DRM) << "Page not yet flipped."; return false; } #if HAVE_EGL_STREAMS if (m_backend->useEglStreams() && !m_modesetRequested) { // EglStreamBackend queues normal page flips through EGL, // modesets are still performed through DRM-KMS m_pageFlipPending = true; return true; } #endif m_primaryPlane->setNext(buffer); m_nextPlanesFlipList << m_primaryPlane; if (!doAtomicCommit(AtomicCommitMode::Test)) { //TODO: When we use planes for layered rendering, fallback to renderer instead. Also for direct scanout? //TODO: Probably should undo setNext and reset the flip list qCDebug(KWIN_DRM) << "Atomic test commit failed. Aborting present."; // go back to previous state if (m_lastWorkingState.valid) { m_mode = m_lastWorkingState.mode; setTransform(m_lastWorkingState.transform); setGlobalPos(m_lastWorkingState.globalPos); if (m_primaryPlane) { m_primaryPlane->setTransformation(m_lastWorkingState.planeTransformations); } m_modesetRequested = true; // the cursor might need to get rotated updateCursor(); showCursor(); // TODO: forward to OutputInterface and OutputDeviceInterface setWaylandMode(); emit screens()->changed(); } return false; } const bool wasModeset = m_modesetRequested; if (!doAtomicCommit(AtomicCommitMode::Real)) { qCDebug(KWIN_DRM) << "Atomic commit failed. This should have never happened! Aborting present."; //TODO: Probably should undo setNext and reset the flip list return false; } if (wasModeset) { // store current mode set as new good state m_lastWorkingState.mode = m_mode; m_lastWorkingState.transform = transform(); m_lastWorkingState.globalPos = globalPos(); if (m_primaryPlane) { m_lastWorkingState.planeTransformations = m_primaryPlane->transformation(); } m_lastWorkingState.valid = true; } m_pageFlipPending = true; return true; } bool DrmOutput::presentLegacy(DrmBuffer *buffer) { if (m_crtc->next()) { return false; } if (!LogindIntegration::self()->isActiveSession()) { m_crtc->setNext(buffer); return false; } // Do we need to set a new mode first? if (!m_crtc->current() || m_crtc->current()->needsModeChange(buffer)) { if (!setModeLegacy(buffer)) { return false; } } const bool ok = drmModePageFlip(m_backend->fd(), m_crtc->id(), buffer->bufferId(), DRM_MODE_PAGE_FLIP_EVENT, this) == 0; if (ok) { m_crtc->setNext(buffer); } else { qCWarning(KWIN_DRM) << "Page flip failed:" << strerror(errno); } return ok; } bool DrmOutput::setModeLegacy(DrmBuffer *buffer) { uint32_t connId = m_conn->id(); if (drmModeSetCrtc(m_backend->fd(), m_crtc->id(), buffer->bufferId(), 0, 0, &connId, 1, &m_mode) == 0) { return true; } else { qCWarning(KWIN_DRM) << "Mode setting failed"; return false; } } bool DrmOutput::doAtomicCommit(AtomicCommitMode mode) { drmModeAtomicReq *req = drmModeAtomicAlloc(); auto errorHandler = [this, mode, req] () { if (mode == AtomicCommitMode::Test) { // TODO: when we later test overlay planes, make sure we change only the right stuff back } if (req) { drmModeAtomicFree(req); } if (m_dpmsMode != m_dpmsModePending) { qCWarning(KWIN_DRM) << "Setting DPMS failed"; m_dpmsModePending = m_dpmsMode; if (m_dpmsMode != DpmsMode::On) { dpmsFinishOff(); } } // TODO: see above, rework later for overlay planes! for (DrmPlane *p : m_nextPlanesFlipList) { p->setNext(nullptr); } m_nextPlanesFlipList.clear(); }; if (!req) { qCWarning(KWIN_DRM) << "DRM: couldn't allocate atomic request"; errorHandler(); return false; } uint32_t flags = 0; // Do we need to set a new mode? if (m_modesetRequested) { if (m_dpmsModePending == DpmsMode::On) { if (drmModeCreatePropertyBlob(m_backend->fd(), &m_mode, sizeof(m_mode), &m_blobId) != 0) { qCWarning(KWIN_DRM) << "Failed to create property blob"; errorHandler(); return false; } } if (!atomicReqModesetPopulate(req, m_dpmsModePending == DpmsMode::On)){ qCWarning(KWIN_DRM) << "Failed to populate Atomic Modeset"; errorHandler(); return false; } flags |= DRM_MODE_ATOMIC_ALLOW_MODESET; } if (mode == AtomicCommitMode::Real) { if (m_dpmsModePending == DpmsMode::On) { if (!(flags & DRM_MODE_ATOMIC_ALLOW_MODESET)) { // TODO: Evaluating this condition should only be necessary, as long as we expect older kernels than 4.10. flags |= DRM_MODE_ATOMIC_NONBLOCK; } #if HAVE_EGL_STREAMS if (!m_backend->useEglStreams()) // EglStreamBackend uses the NV_output_drm_flip_event EGL extension // to register the flip event through eglStreamConsumerAcquireAttribNV #endif flags |= DRM_MODE_PAGE_FLIP_EVENT; } } else { flags |= DRM_MODE_ATOMIC_TEST_ONLY; } bool ret = true; // TODO: Make sure when we use more than one plane at a time, that we go through this list in the right order. for (int i = m_nextPlanesFlipList.size() - 1; 0 <= i; i-- ) { DrmPlane *p = m_nextPlanesFlipList[i]; ret &= p->atomicPopulate(req); } if (!ret) { qCWarning(KWIN_DRM) << "Failed to populate atomic planes. Abort atomic commit!"; errorHandler(); return false; } if (drmModeAtomicCommit(m_backend->fd(), req, flags, this)) { qCWarning(KWIN_DRM) << "Atomic request failed to commit:" << strerror(errno); errorHandler(); return false; } if (mode == AtomicCommitMode::Real && (flags & DRM_MODE_ATOMIC_ALLOW_MODESET)) { qCDebug(KWIN_DRM) << "Atomic Modeset successful."; m_modesetRequested = false; m_dpmsMode = m_dpmsModePending; } drmModeAtomicFree(req); return true; } bool DrmOutput::atomicReqModesetPopulate(drmModeAtomicReq *req, bool enable) { if (enable) { const QSize mSize = modeSize(); const QSize sourceSize = hardwareTransforms() ? pixelSize() : mSize; m_primaryPlane->setValue(int(DrmPlane::PropertyIndex::SrcX), 0); m_primaryPlane->setValue(int(DrmPlane::PropertyIndex::SrcY), 0); m_primaryPlane->setValue(int(DrmPlane::PropertyIndex::SrcW), sourceSize.width() << 16); m_primaryPlane->setValue(int(DrmPlane::PropertyIndex::SrcH), sourceSize.height() << 16); m_primaryPlane->setValue(int(DrmPlane::PropertyIndex::CrtcW), mSize.width()); m_primaryPlane->setValue(int(DrmPlane::PropertyIndex::CrtcH), mSize.height()); m_primaryPlane->setValue(int(DrmPlane::PropertyIndex::CrtcId), m_crtc->id()); } else { if (m_backend->deleteBufferAfterPageFlip()) { delete m_primaryPlane->current(); delete m_primaryPlane->next(); } m_primaryPlane->setCurrent(nullptr); m_primaryPlane->setNext(nullptr); m_primaryPlane->setValue(int(DrmPlane::PropertyIndex::SrcX), 0); m_primaryPlane->setValue(int(DrmPlane::PropertyIndex::SrcY), 0); m_primaryPlane->setValue(int(DrmPlane::PropertyIndex::SrcW), 0); m_primaryPlane->setValue(int(DrmPlane::PropertyIndex::SrcH), 0); m_primaryPlane->setValue(int(DrmPlane::PropertyIndex::CrtcW), 0); m_primaryPlane->setValue(int(DrmPlane::PropertyIndex::CrtcH), 0); m_primaryPlane->setValue(int(DrmPlane::PropertyIndex::CrtcId), 0); } m_conn->setValue(int(DrmConnector::PropertyIndex::CrtcId), enable ? m_crtc->id() : 0); m_crtc->setValue(int(DrmCrtc::PropertyIndex::ModeId), enable ? m_blobId : 0); m_crtc->setValue(int(DrmCrtc::PropertyIndex::Active), enable); bool ret = true; ret &= m_conn->atomicPopulate(req); ret &= m_crtc->atomicPopulate(req); return ret; } bool DrmOutput::supportsTransformations() const { if (!m_primaryPlane) { return false; } const auto transformations = m_primaryPlane->supportedTransformations(); return transformations.testFlag(DrmPlane::Transformation::Rotate90) || transformations.testFlag(DrmPlane::Transformation::Rotate180) || transformations.testFlag(DrmPlane::Transformation::Rotate270); } int DrmOutput::gammaRampSize() const { return m_crtc->gammaRampSize(); } bool DrmOutput::setGammaRamp(const GammaRamp &gamma) { return m_crtc->setGammaRamp(gamma); } } QDebug& operator<<(QDebug& s, const KWin::DrmOutput* output) { if (!output) return s.nospace() << "DrmOutput()"; return s.nospace() << "DrmOutput(" << output->name() << ", crtc:" << output->crtc() << ", connector:" << output->connector() << ", geometry:" << output->geometry() << ')'; }