diff --git a/plugins/platforms/drm/drm_output.cpp b/plugins/platforms/drm/drm_output.cpp index b042ccb78..371029562 100644 --- a/plugins/platforms/drm/drm_output.cpp +++ b/plugins/platforms/drm/drm_output.cpp @@ -1,1214 +1,1214 @@ /******************************************************************** 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 "orientation_sensor.h" #include "screens_drm.h" #include "wayland_server.h" // KWayland #include // KF5 #include #include #include // Qt #include #include #include // drm #include #include #include namespace KWin { DrmOutput::DrmOutput(DrmBackend *backend) : AbstractOutput(backend) , m_backend(backend) { } DrmOutput::~DrmOutput() { Q_ASSERT(!m_pageFlipPending); if (!m_deleted) { teardown(); } } void DrmOutput::teardown() { 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); } m_crtc->setOutput(nullptr); m_conn->setOutput(nullptr); delete m_cursor[0]; delete m_cursor[1]; 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; } int orientationToRotation(Qt::ScreenOrientation orientation) { switch (orientation) { case Qt::PrimaryOrientation: case Qt::LandscapeOrientation: return 0; case Qt::InvertedPortraitOrientation: return 90; case Qt::InvertedLandscapeOrientation: return 180; case Qt::PortraitOrientation: return 270; } Q_UNREACHABLE(); return 0; } -QMatrix4x4 &&DrmOutput::matrixDisplay(const QSize &s) const +QMatrix4x4 DrmOutput::matrixDisplay(const QSize &s) const { QMatrix4x4 matrix; const int angle = orientationToRotation(orientation()); 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 std::move(matrix); + return matrix; } void DrmOutput::updateCursor() { QImage cursorImage = m_backend->softwareCursor(); 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(const QPoint &globalPos) { const QMatrix4x4 hotspotMatrix = matrixDisplay(m_backend->softwareCursor().size()); QPoint p = globalPos-AbstractOutput::globalPos(); switch (orientation()) { case Qt::PrimaryOrientation: case Qt::LandscapeOrientation: break; case Qt::PortraitOrientation: p = QPoint(p.y(), pixelSize().height() - p.x()); break; case Qt::InvertedPortraitOrientation: p = QPoint(pixelSize().width() - p.y(), p.x()); break; case Qt::InvertedLandscapeOrientation: p = QPoint(pixelSize().width() - p.x(), pixelSize().height() - p.y()); break; } p *= scale(); p -= hotspotMatrix.map(m_backend->softwareCursorHotspot()); drmModeMoveCursor(m_backend->fd(), m_crtc->id(), p.x(), p.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; } } else if (!m_crtc->blank()) { return false; } setInternal(connector->connector_type == DRM_MODE_CONNECTOR_LVDS || connector->connector_type == DRM_MODE_CONNECTOR_eDP); setDpmsSupported(true); if (isInternal()) { connect(kwinApp(), &Application::screensCreated, this, [this] { connect(screens()->orientationSensor(), &OrientationSensor::orientationChanged, this, &DrmOutput::automaticRotation); } ); } 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; } setRawPhysicalSize(physicalSize); initOutputDevice(connector); setEnabled(true); 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.eisaId.isEmpty()) { manufacturer = QString::fromLatin1(m_edid.eisaId); } QString connectorName = s_connectorNames.value(connector->connector_type, QByteArrayLiteral("Unknown")); 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("-") + QString::number(connector->connector_type_id) + 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]; KWayland::Server::OutputDeviceInterface::ModeFlags deviceflags; if (isCurrentMode(m)) { deviceflags |= KWayland::Server::OutputDeviceInterface::ModeFlag::Current; } if (m->type & DRM_MODE_TYPE_PREFERRED) { deviceflags |= KWayland::Server::OutputDeviceInterface::ModeFlag::Preferred; } KWayland::Server::OutputDeviceInterface::Mode mode; mode.id = i; mode.size = QSize(m->hdisplay, m->vdisplay); mode.flags = deviceflags; mode.refreshRate = refreshRateForMode(m); modes << mode; } AbstractOutput::initWaylandOutputDevice(model, manufacturer, m_uuid, 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; } 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) { 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; } // 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_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; } } } 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 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(); } } void DrmOutput::updateDpms(KWayland::Server::OutputInterface::DpmsMode mode) { if (m_dpms.isNull()) { 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_pageFlipPending) { m_pageFlipPending = false; Compositor::self()->bufferSwapComplete(); } dpmsOnHandler(); } else { m_dpmsAtomicOffPending = true; if (!m_pageFlipPending) { dpmsAtomicOff(); } } } else { if (drmModeConnectorSetProperty(m_backend->fd(), m_conn->id(), m_dpms->prop_id, uint64_t(drmMode)) < 0) { m_dpmsModePending = m_dpmsMode; qCWarning(KWIN_DRM) << "Setting DPMS failed"; return; } if (drmMode == DpmsMode::On) { dpmsOnHandler(); } else { dpmsOffHandler(); } m_dpmsMode = m_dpmsModePending; } } void DrmOutput::dpmsOnHandler() { qCDebug(KWIN_DRM) << "DPMS mode set for output" << m_crtc->id() << "to On."; auto wlOutput = waylandOutput(); if (wlOutput) { wlOutput->setDpmsMode(toWaylandDpmsMode(m_dpmsModePending)); } emit dpmsChanged(); m_backend->checkOutputsAreOn(); if (!m_backend->atomicModeSetting()) { m_crtc->blank(); } if (Compositor *compositor = Compositor::self()) { compositor->addRepaintFull(); } } void DrmOutput::dpmsOffHandler() { qCDebug(KWIN_DRM) << "DPMS mode set for output" << m_crtc->id() << "to Off."; auto wlOutput = waylandOutput(); if (wlOutput) { wlOutput->setDpmsMode(toWaylandDpmsMode(m_dpmsModePending)); } emit dpmsChanged(); m_backend->outputWentOff(); } void DrmOutput::transform(KWayland::Server::OutputDeviceInterface::Transform transform) { waylandOutputDevice()->setTransform(transform); using KWayland::Server::OutputDeviceInterface; using KWayland::Server::OutputInterface; auto wlOutput = waylandOutput(); switch (transform) { case OutputDeviceInterface::Transform::Normal: if (m_primaryPlane) { m_primaryPlane->setTransformation(DrmPlane::Transformation::Rotate0); } if (wlOutput) { wlOutput->setTransform(OutputInterface::Transform::Normal); } setOrientation(Qt::PrimaryOrientation); break; case OutputDeviceInterface::Transform::Rotated90: if (m_primaryPlane) { m_primaryPlane->setTransformation(DrmPlane::Transformation::Rotate90); } if (wlOutput) { wlOutput->setTransform(OutputInterface::Transform::Rotated90); } setOrientation(Qt::PortraitOrientation); break; case OutputDeviceInterface::Transform::Rotated180: if (m_primaryPlane) { m_primaryPlane->setTransformation(DrmPlane::Transformation::Rotate180); } if (wlOutput) { wlOutput->setTransform(OutputInterface::Transform::Rotated180); } setOrientation(Qt::InvertedLandscapeOrientation); break; case OutputDeviceInterface::Transform::Rotated270: if (m_primaryPlane) { m_primaryPlane->setTransformation(DrmPlane::Transformation::Rotate270); } if (wlOutput) { wlOutput->setTransform(OutputInterface::Transform::Rotated270); } setOrientation(Qt::InvertedPortraitOrientation); break; case OutputDeviceInterface::Transform::Flipped: // TODO: what is this exactly? if (wlOutput) { wlOutput->setTransform(OutputInterface::Transform::Flipped); } break; case OutputDeviceInterface::Transform::Flipped90: // TODO: what is this exactly? if (wlOutput) { wlOutput->setTransform(OutputInterface::Transform::Flipped90); } break; case OutputDeviceInterface::Transform::Flipped180: // TODO: what is this exactly? if (wlOutput) { wlOutput->setTransform(OutputInterface::Transform::Flipped180); } break; case OutputDeviceInterface::Transform::Flipped270: // TODO: what is this exactly? if (wlOutput) { wlOutput->setTransform(OutputInterface::Transform::Flipped270); } break; } m_modesetRequested = true; // the cursor might need to get rotated updateCursor(); showCursor(); // TODO: are these calls not enough in updateMode already? setWaylandMode(); } 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(); } QSize DrmOutput::pixelSize() const { return orientateSize(QSize(m_mode.hdisplay, m_mode.vdisplay)); } void DrmOutput::setWaylandMode() { AbstractOutput::setWaylandMode(QSize(m_mode.hdisplay, m_mode.vdisplay), refreshRateForMode(&m_mode)); } void DrmOutput::pageFlipped() { 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(); } } bool DrmOutput::present(DrmBuffer *buffer) { if (m_backend->atomicModeSetting()) { return presentAtomically(buffer); } else { return presentLegacy(buffer); } } bool DrmOutput::dpmsAtomicOff() { m_dpmsAtomicOffPending = 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(); dpmsOffHandler(); 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; setOrientation(m_lastWorkingState.orientation); 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.orientation = orientation(); 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; } if (m_dpmsMode != DpmsMode::On) { 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) { dpmsOffHandler(); } } // 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) { m_primaryPlane->setValue(int(DrmPlane::PropertyIndex::SrcX), 0); m_primaryPlane->setValue(int(DrmPlane::PropertyIndex::SrcY), 0); m_primaryPlane->setValue(int(DrmPlane::PropertyIndex::SrcW), m_mode.hdisplay << 16); m_primaryPlane->setValue(int(DrmPlane::PropertyIndex::SrcH), m_mode.vdisplay << 16); m_primaryPlane->setValue(int(DrmPlane::PropertyIndex::CrtcW), m_mode.hdisplay); m_primaryPlane->setValue(int(DrmPlane::PropertyIndex::CrtcH), m_mode.vdisplay); 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); } void DrmOutput::automaticRotation() { if (!m_primaryPlane) { return; } const auto supportedTransformations = m_primaryPlane->supportedTransformations(); const auto requestedTransformation = screens()->orientationSensor()->orientation(); using KWayland::Server::OutputDeviceInterface; OutputDeviceInterface::Transform newTransformation = OutputDeviceInterface::Transform::Normal; switch (requestedTransformation) { case OrientationSensor::Orientation::TopUp: newTransformation = OutputDeviceInterface::Transform::Normal; break; case OrientationSensor::Orientation::TopDown: if (!supportedTransformations.testFlag(DrmPlane::Transformation::Rotate180)) { return; } newTransformation = OutputDeviceInterface::Transform::Rotated180; break; case OrientationSensor::Orientation::LeftUp: if (!supportedTransformations.testFlag(DrmPlane::Transformation::Rotate90)) { return; } newTransformation = OutputDeviceInterface::Transform::Rotated90; break; case OrientationSensor::Orientation::RightUp: if (!supportedTransformations.testFlag(DrmPlane::Transformation::Rotate270)) { return; } newTransformation = OutputDeviceInterface::Transform::Rotated270; break; case OrientationSensor::Orientation::FaceUp: case OrientationSensor::Orientation::FaceDown: case OrientationSensor::Orientation::Undefined: // unsupported return; } transform(newTransformation); emit screens()->changed(); } int DrmOutput::getGammaRampSize() const { return m_crtc->getGammaRampSize(); } bool DrmOutput::setGammaRamp(const ColorCorrect::GammaRamp &gamma) { return m_crtc->setGammaRamp(gamma); } } diff --git a/plugins/platforms/drm/drm_output.h b/plugins/platforms/drm/drm_output.h index aeeb93759..bc77d8991 100644 --- a/plugins/platforms/drm/drm_output.h +++ b/plugins/platforms/drm/drm_output.h @@ -1,177 +1,177 @@ /******************************************************************** 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 "abstract_output.h" #include "drm_pointer.h" #include "drm_object.h" #include "drm_object_plane.h" #include #include #include #include #include namespace KWin { class DrmBackend; class DrmBuffer; class DrmDumbBuffer; class DrmPlane; class DrmConnector; class DrmCrtc; class KWIN_EXPORT DrmOutput : public AbstractOutput { Q_OBJECT public: struct Edid { QByteArray eisaId; QByteArray monitorName; QByteArray serialNumber; QSize physicalSize; }; ///deletes the output, calling this whilst a page flip is pending will result in an error ~DrmOutput() override; ///queues deleting the output after a page flip has completed. void teardown(); void releaseGbm(); bool showCursor(DrmDumbBuffer *buffer); bool showCursor(); bool hideCursor(); void updateCursor(); void moveCursor(const QPoint &globalPos); bool init(drmModeConnector *connector); bool present(DrmBuffer *buffer); void pageFlipped(); QSize pixelSize() const override; // 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 }; bool isDpmsEnabled() const { // We care for current as well as pending mode in order to allow first present in AMS. return m_dpmsModePending == DpmsMode::On; } QByteArray uuid() const { return m_uuid; } const DrmCrtc *crtc() const { return m_crtc; } const DrmPlane *primaryPlane() const { return m_primaryPlane; } bool initCursor(const QSize &cursorSize); bool supportsTransformations() const; 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); bool presentAtomically(DrmBuffer *buffer); enum class AtomicCommitMode { Test, Real }; bool doAtomicCommit(AtomicCommitMode mode); bool presentLegacy(DrmBuffer *buffer); bool setModeLegacy(DrmBuffer *buffer); void initEdid(drmModeConnector *connector); void initDpms(drmModeConnector *connector); void initOutputDevice(drmModeConnector *connector); bool isCurrentMode(const drmModeModeInfo *mode) const; void initUuid(); bool initPrimaryPlane(); bool initCursorPlane(); void dpmsOnHandler(); void dpmsOffHandler(); bool dpmsAtomicOff(); bool atomicReqModesetPopulate(drmModeAtomicReq *req, bool enable); void updateDpms(KWayland::Server::OutputInterface::DpmsMode mode) override; void updateMode(int modeIndex) override; void setWaylandMode(); void transform(KWayland::Server::OutputDeviceInterface::Transform transform) override; void automaticRotation(); int getGammaRampSize() const override; bool setGammaRamp(const ColorCorrect::GammaRamp &gamma) override; - QMatrix4x4 &&matrixDisplay(const QSize &s) const; + QMatrix4x4 matrixDisplay(const QSize &s) const; DrmBackend *m_backend; DrmConnector *m_conn = nullptr; DrmCrtc *m_crtc = nullptr; bool m_lastGbm = false; drmModeModeInfo m_mode; Edid m_edid; DrmScopedPointer m_dpms; DpmsMode m_dpmsMode = DpmsMode::On; DpmsMode m_dpmsModePending = DpmsMode::On; QByteArray m_uuid; uint32_t m_blobId = 0; DrmPlane* m_primaryPlane = nullptr; DrmPlane* m_cursorPlane = nullptr; QVector m_nextPlanesFlipList; bool m_pageFlipPending = false; bool m_dpmsAtomicOffPending = false; bool m_modesetRequested = true; struct { Qt::ScreenOrientation orientation; drmModeModeInfo mode; DrmPlane::Transformations planeTransformations; QPoint globalPos; bool valid = false; } m_lastWorkingState; DrmDumbBuffer *m_cursor[2] = {nullptr, nullptr}; int m_cursorIndex = 0; bool m_hasNewCursor = false; bool m_deleted = false; }; } Q_DECLARE_METATYPE(KWin::DrmOutput*) #endif