820 lines
24 KiB
C++
820 lines
24 KiB
C++
/*
|
|
KWin - the KDE window manager
|
|
This file is part of the KDE project.
|
|
|
|
SPDX-FileCopyrightText: 2015 Martin Gräßlin <mgraesslin@kde.org>
|
|
|
|
SPDX-License-Identifier: GPL-2.0-or-later
|
|
*/
|
|
#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 <gbm.h>
|
|
#include "gbm_dmabuf.h"
|
|
#endif
|
|
#if HAVE_EGL_STREAMS
|
|
#include "egl_stream_backend.h"
|
|
#endif
|
|
// KWayland
|
|
#include <KWaylandServer/seat_interface.h>
|
|
// KF5
|
|
#include <KConfigGroup>
|
|
#include <KCoreAddons>
|
|
#include <KLocalizedString>
|
|
#include <KSharedConfig>
|
|
// Qt
|
|
#include <QCryptographicHash>
|
|
#include <QSocketNotifier>
|
|
#include <QPainter>
|
|
// system
|
|
#include <algorithm>
|
|
#include <unistd.h>
|
|
// drm
|
|
#include <xf86drm.h>
|
|
#include <xf86drmMode.h>
|
|
#include <libdrm/drm_mode.h>
|
|
|
|
#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()
|
|
{
|
|
#if HAVE_EGL_STREAMS
|
|
if (qEnvironmentVariableIsSet("KWIN_DRM_USE_EGL_STREAMS")) {
|
|
m_useEglStreams = true;
|
|
}
|
|
#endif
|
|
setSupportsGammaControl(true);
|
|
supportsOutputChanges();
|
|
}
|
|
|
|
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_crtcs);
|
|
qDeleteAll(m_connectors);
|
|
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::prepareShutdown()
|
|
{
|
|
writeOutputsConfiguration();
|
|
for (DrmOutput *output : m_outputs) {
|
|
output->teardown();
|
|
}
|
|
Platform::prepareShutdown();
|
|
}
|
|
|
|
Outputs DrmBackend::outputs() const
|
|
{
|
|
return m_outputs;
|
|
}
|
|
|
|
Outputs DrmBackend::enabledOutputs() const
|
|
{
|
|
return m_enabledOutputs;
|
|
}
|
|
|
|
void DrmBackend::createDpmsFilter()
|
|
{
|
|
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_enabledOutputs.constBegin(), end = m_enabledOutputs.constEnd(); it != end; it++) {
|
|
(*it)->updateDpms(KWaylandServer::OutputInterface::DpmsMode::On);
|
|
}
|
|
}
|
|
|
|
void DrmBackend::checkOutputsAreOn()
|
|
{
|
|
if (m_dpmsFilter.isNull()) {
|
|
// already disabled, all outputs are on
|
|
return;
|
|
}
|
|
for (auto it = m_enabledOutputs.constBegin(), end = m_enabledOutputs.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) {
|
|
qCDebug(KWIN_DRM) << "Activating session.";
|
|
reactivate();
|
|
} else {
|
|
qCDebug(KWIN_DRM) << "Deactivating session.";
|
|
deactivate();
|
|
}
|
|
}
|
|
|
|
void DrmBackend::reactivate()
|
|
{
|
|
if (m_active) {
|
|
return;
|
|
}
|
|
m_active = true;
|
|
if (!usesSoftwareCursor()) {
|
|
Cursor* cursor = Cursors::self()->mouse();
|
|
const QPoint cp = cursor->pos() - cursor->hotspot();
|
|
for (auto it = m_outputs.constBegin(); it != m_outputs.constEnd(); ++it) {
|
|
DrmOutput *o = *it;
|
|
// only relevant in atomic mode
|
|
o->m_modesetRequested = true;
|
|
o->m_crtc->blank();
|
|
o->showCursor();
|
|
o->moveCursor(cursor, 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();
|
|
}
|
|
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<DrmOutput*>(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;
|
|
}
|
|
m_devNode = qEnvironmentVariableIsSet("KWIN_DRM_DEVICE_NODE") ? qgetenv("KWIN_DRM_DEVICE_NODE") : QByteArray(device->devNode());
|
|
int fd = LogindIntegration::self()->takeDevice(m_devNode.constData());
|
|
if (fd < 0) {
|
|
qCWarning(KWIN_DRM) << "failed to open drm device at" << m_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_NO_AMS")) {
|
|
if (drmSetClientCap(m_fd, DRM_CLIENT_CAP_ATOMIC, 1) == 0) {
|
|
qCDebug(KWIN_DRM) << "Using Atomic Mode Setting.";
|
|
m_atomicModeSetting = true;
|
|
|
|
DrmScopedPointer<drmModePlaneRes> 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) {
|
|
DrmScopedPointer<drmModePlane> kplane(drmModeGetPlane(m_fd, planeResources->planes[i]));
|
|
DrmPlane *p = new DrmPlane(kplane->plane_id, m_fd);
|
|
if (p->atomicInit()) {
|
|
m_planes << p;
|
|
if (p->type() == DrmPlane::TypeIndex::Overlay) {
|
|
m_overlayPlanes << 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.";
|
|
}
|
|
}
|
|
|
|
initCursor();
|
|
if (!updateOutputs())
|
|
return;
|
|
|
|
if (m_outputs.isEmpty()) {
|
|
qCDebug(KWIN_DRM) << "No connected outputs found on startup.";
|
|
}
|
|
|
|
// 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";
|
|
updateOutputs();
|
|
updateCursor();
|
|
}
|
|
}
|
|
);
|
|
m_udevMonitor->enable();
|
|
}
|
|
}
|
|
setReady(true);
|
|
}
|
|
|
|
bool DrmBackend::updateOutputs()
|
|
{
|
|
if (m_fd < 0) {
|
|
return false;
|
|
}
|
|
|
|
DrmScopedPointer<drmModeRes> resources(drmModeGetResources(m_fd));
|
|
if (!resources) {
|
|
qCWarning(KWIN_DRM) << "drmModeGetResources failed";
|
|
return false;
|
|
}
|
|
|
|
auto oldConnectors = m_connectors;
|
|
for (int i = 0; i < resources->count_connectors; ++i) {
|
|
const uint32_t currentConnector = resources->connectors[i];
|
|
auto it = std::find_if(m_connectors.constBegin(), m_connectors.constEnd(), [currentConnector] (DrmConnector *c) { return c->id() == currentConnector; });
|
|
if (it == m_connectors.constEnd()) {
|
|
auto c = new DrmConnector(currentConnector, m_fd);
|
|
if (m_atomicModeSetting && !c->atomicInit()) {
|
|
delete c;
|
|
continue;
|
|
}
|
|
m_connectors << c;
|
|
} else {
|
|
oldConnectors.removeOne(*it);
|
|
}
|
|
}
|
|
|
|
auto oldCrtcs = m_crtcs;
|
|
for (int i = 0; i < resources->count_crtcs; ++i) {
|
|
const uint32_t currentCrtc = resources->crtcs[i];
|
|
auto it = std::find_if(m_crtcs.constBegin(), m_crtcs.constEnd(), [currentCrtc] (DrmCrtc *c) { return c->id() == currentCrtc; });
|
|
if (it == m_crtcs.constEnd()) {
|
|
auto c = new DrmCrtc(currentCrtc, this, i);
|
|
if (m_atomicModeSetting && !c->atomicInit()) {
|
|
delete c;
|
|
continue;
|
|
}
|
|
m_crtcs << c;
|
|
} else {
|
|
oldCrtcs.removeOne(*it);
|
|
}
|
|
}
|
|
|
|
for (auto c : qAsConst(oldConnectors)) {
|
|
m_connectors.removeOne(c);
|
|
}
|
|
for (auto c : qAsConst(oldCrtcs)) {
|
|
m_crtcs.removeOne(c);
|
|
}
|
|
|
|
QVector<DrmOutput*> connectedOutputs;
|
|
QVector<DrmConnector*> pendingConnectors;
|
|
|
|
// split up connected connectors in already or not yet assigned ones
|
|
for (DrmConnector *con : qAsConst(m_connectors)) {
|
|
if (!con->isConnected()) {
|
|
continue;
|
|
}
|
|
|
|
if (DrmOutput *o = findOutput(con->id())) {
|
|
connectedOutputs << o;
|
|
} else {
|
|
pendingConnectors << con;
|
|
}
|
|
}
|
|
|
|
// check for outputs which got removed
|
|
QVector<DrmOutput*> removedOutputs;
|
|
auto it = m_outputs.begin();
|
|
while (it != m_outputs.end()) {
|
|
if (connectedOutputs.contains(*it)) {
|
|
it++;
|
|
continue;
|
|
}
|
|
DrmOutput *removed = *it;
|
|
it = m_outputs.erase(it);
|
|
m_enabledOutputs.removeOne(removed);
|
|
emit outputRemoved(removed);
|
|
removedOutputs.append(removed);
|
|
}
|
|
|
|
// now check new connections
|
|
for (DrmConnector *con : qAsConst(pendingConnectors)) {
|
|
DrmScopedPointer<drmModeConnector> connector(drmModeGetConnector(m_fd, con->id()));
|
|
if (!connector) {
|
|
continue;
|
|
}
|
|
if (connector->count_modes == 0) {
|
|
continue;
|
|
}
|
|
bool outputDone = false;
|
|
|
|
QVector<uint32_t> encoders = con->encoders();
|
|
for (auto encId : qAsConst(encoders)) {
|
|
DrmScopedPointer<drmModeEncoder> 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
|
|
DrmScopedPointer<drmModeCrtc> 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;
|
|
|
|
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();
|
|
delete output;
|
|
continue;
|
|
}
|
|
if (!output->initCursor(m_cursorSize)) {
|
|
setSoftWareCursor(true);
|
|
}
|
|
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;
|
|
m_enabledOutputs = connectedOutputs;
|
|
readOutputsConfiguration();
|
|
updateOutputsEnabled();
|
|
if (!m_outputs.isEmpty()) {
|
|
emit screensQueried();
|
|
}
|
|
|
|
for(DrmOutput* removedOutput : removedOutputs) {
|
|
removedOutput->teardown();
|
|
removedOutput->m_crtc = nullptr;
|
|
removedOutput->m_conn = nullptr;
|
|
}
|
|
qDeleteAll(oldConnectors);
|
|
qDeleteAll(oldCrtcs);
|
|
return true;
|
|
}
|
|
|
|
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);
|
|
// default position goes from left to right
|
|
QPoint pos(0, 0);
|
|
for (auto it = m_outputs.begin(); it != m_outputs.end(); ++it) {
|
|
qCDebug(KWIN_DRM) << "Reading output configuration for [" << uuid << "] ["<< (*it)->uuid() << "]";
|
|
const auto outputConfig = configGroup.group((*it)->uuid());
|
|
(*it)->setGlobalPos(outputConfig.readEntry<QPoint>("Position", pos));
|
|
// TODO: add mode
|
|
if (outputConfig.hasKey("Scale"))
|
|
(*it)->setScale(outputConfig.readEntry("Scale", 1.0));
|
|
pos.setX(pos.x() + (*it)->geometry().width());
|
|
}
|
|
}
|
|
|
|
void DrmBackend::writeOutputsConfiguration()
|
|
{
|
|
if (m_outputs.isEmpty()) {
|
|
return;
|
|
}
|
|
const QByteArray uuid = generateOutputConfigurationUuid();
|
|
auto configGroup = KSharedConfig::openConfig()->group("DrmOutputs").group(uuid);
|
|
// default position goes from left to right
|
|
for (auto it = m_outputs.cbegin(); it != m_outputs.cend(); ++it) {
|
|
qCDebug(KWIN_DRM) << "Writing output configuration for [" << uuid << "] ["<< (*it)->uuid() << "]";
|
|
auto outputConfig = configGroup.group((*it)->uuid());
|
|
outputConfig.writeEntry("Scale", (*it)->scale());
|
|
}
|
|
}
|
|
|
|
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::enableOutput(DrmOutput *output, bool enable)
|
|
{
|
|
if (enable) {
|
|
Q_ASSERT(!m_enabledOutputs.contains(output));
|
|
m_enabledOutputs << output;
|
|
emit outputAdded(output);
|
|
} else {
|
|
Q_ASSERT(m_enabledOutputs.contains(output));
|
|
m_enabledOutputs.removeOne(output);
|
|
Q_ASSERT(!m_enabledOutputs.contains(output));
|
|
emit outputRemoved(output);
|
|
}
|
|
updateOutputsEnabled();
|
|
checkOutputsAreOn();
|
|
emit screensQueried();
|
|
}
|
|
|
|
DrmOutput *DrmBackend::findOutput(quint32 connector)
|
|
{
|
|
auto it = std::find_if(m_outputs.constBegin(), m_outputs.constEnd(), [connector] (DrmOutput *o) {
|
|
return o->m_conn->id() == connector;
|
|
});
|
|
if (it != m_outputs.constEnd()) {
|
|
return *it;
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
bool DrmBackend::present(DrmBuffer *buffer, DrmOutput *output)
|
|
{
|
|
if (!buffer || buffer->bufferId() == 0) {
|
|
if (m_deleteBufferAfterPageFlip) {
|
|
delete buffer;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
if (output->present(buffer)) {
|
|
m_pageFlipsPending++;
|
|
if (m_pageFlipsPending == 1 && Compositor::self()) {
|
|
Compositor::self()->aboutToSwapBuffers();
|
|
}
|
|
return true;
|
|
} else if (m_deleteBufferAfterPageFlip) {
|
|
delete buffer;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void DrmBackend::initCursor()
|
|
{
|
|
|
|
#if HAVE_EGL_STREAMS
|
|
// Hardware cursors aren't currently supported with EGLStream backend,
|
|
// possibly an NVIDIA driver bug
|
|
if (m_useEglStreams) {
|
|
setSoftWareCursor(true);
|
|
}
|
|
#endif
|
|
|
|
m_cursorEnabled = waylandServer()->seat()->hasPointer();
|
|
connect(waylandServer()->seat(), &KWaylandServer::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) {
|
|
if (!(*it)->showCursor()) {
|
|
setSoftWareCursor(true);
|
|
}
|
|
} 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);
|
|
}
|
|
m_cursorSize = cursorSize;
|
|
// now we have screens and can set cursors, so start tracking
|
|
connect(Cursors::self(), &Cursors::currentCursorChanged, this, &DrmBackend::updateCursor);
|
|
connect(Cursors::self(), &Cursors::positionChanged, this, &DrmBackend::moveCursor);
|
|
}
|
|
|
|
void DrmBackend::setCursor()
|
|
{
|
|
if (m_cursorEnabled) {
|
|
for (auto it = m_outputs.constBegin(); it != m_outputs.constEnd(); ++it) {
|
|
if (!(*it)->showCursor()) {
|
|
setSoftWareCursor(true);
|
|
}
|
|
}
|
|
}
|
|
|
|
Cursors::self()->currentCursor()->markAsRendered();
|
|
}
|
|
|
|
void DrmBackend::updateCursor()
|
|
{
|
|
if (usesSoftwareCursor()) {
|
|
return;
|
|
}
|
|
if (isCursorHidden()) {
|
|
return;
|
|
}
|
|
|
|
auto cursor = Cursors::self()->currentCursor();
|
|
const QImage &cursorImage = cursor->image();
|
|
if (cursorImage.isNull()) {
|
|
doHideCursor();
|
|
return;
|
|
}
|
|
for (auto it = m_outputs.constBegin(); it != m_outputs.constEnd(); ++it) {
|
|
(*it)->updateCursor();
|
|
}
|
|
|
|
setCursor();
|
|
|
|
moveCursor(cursor, cursor->pos());
|
|
}
|
|
|
|
void DrmBackend::doShowCursor()
|
|
{
|
|
updateCursor();
|
|
}
|
|
|
|
void DrmBackend::doHideCursor()
|
|
{
|
|
if (!m_cursorEnabled || usesSoftwareCursor()) {
|
|
return;
|
|
}
|
|
for (auto it = m_outputs.constBegin(); it != m_outputs.constEnd(); ++it) {
|
|
(*it)->hideCursor();
|
|
}
|
|
}
|
|
|
|
void DrmBackend::moveCursor(Cursor *cursor, const QPoint &pos)
|
|
{
|
|
if (!m_cursorEnabled || isCursorHidden() || usesSoftwareCursor()) {
|
|
return;
|
|
}
|
|
for (auto it = m_outputs.constBegin(); it != m_outputs.constEnd(); ++it) {
|
|
(*it)->moveCursor(cursor, pos);
|
|
}
|
|
}
|
|
|
|
Screens *DrmBackend::createScreens(QObject *parent)
|
|
{
|
|
return new DrmScreens(this, parent);
|
|
}
|
|
|
|
QPainterBackend *DrmBackend::createQPainterBackend()
|
|
{
|
|
m_deleteBufferAfterPageFlip = false;
|
|
return new DrmQPainterBackend(this);
|
|
}
|
|
|
|
OpenGLBackend *DrmBackend::createOpenGLBackend()
|
|
{
|
|
#if HAVE_EGL_STREAMS
|
|
if (m_useEglStreams) {
|
|
m_deleteBufferAfterPageFlip = false;
|
|
return new EglStreamBackend(this);
|
|
}
|
|
#endif
|
|
|
|
#if HAVE_GBM
|
|
m_deleteBufferAfterPageFlip = true;
|
|
return new EglGbmBackend(this);
|
|
#else
|
|
return Platform::createOpenGLBackend();
|
|
#endif
|
|
}
|
|
|
|
DrmDumbBuffer *DrmBackend::createBuffer(const QSize &size)
|
|
{
|
|
DrmDumbBuffer *b = new DrmDumbBuffer(m_fd, size);
|
|
return b;
|
|
}
|
|
|
|
#if HAVE_GBM
|
|
DrmSurfaceBuffer *DrmBackend::createBuffer(const std::shared_ptr<GbmSurface> &surface)
|
|
{
|
|
DrmSurfaceBuffer *b = new DrmSurfaceBuffer(m_fd, surface);
|
|
return b;
|
|
}
|
|
#endif
|
|
|
|
void DrmBackend::updateOutputsEnabled()
|
|
{
|
|
bool enabled = false;
|
|
for (auto it = m_enabledOutputs.constBegin(); it != m_enabledOutputs.constEnd(); ++it) {
|
|
enabled = enabled || (*it)->isDpmsEnabled();
|
|
}
|
|
setOutputsEnabled(enabled);
|
|
}
|
|
|
|
QVector<CompositingType> DrmBackend::supportedCompositors() const
|
|
{
|
|
if (selectedCompositor() != NoCompositing) {
|
|
return {selectedCompositor()};
|
|
}
|
|
#if HAVE_GBM
|
|
return QVector<CompositingType>{OpenGLCompositing, QPainterCompositing};
|
|
#elif HAVE_EGL_STREAMS
|
|
return m_useEglStreams ?
|
|
QVector<CompositingType>{OpenGLCompositing, QPainterCompositing} :
|
|
QVector<CompositingType>{QPainterCompositing};
|
|
#else
|
|
return QVector<CompositingType>{QPainterCompositing};
|
|
#endif
|
|
}
|
|
|
|
QString DrmBackend::supportInformation() const
|
|
{
|
|
QString supportInfo;
|
|
QDebug s(&supportInfo);
|
|
s.nospace();
|
|
s << "Name: " << "DRM" << Qt::endl;
|
|
s << "Active: " << m_active << Qt::endl;
|
|
s << "Atomic Mode Setting: " << m_atomicModeSetting << Qt::endl;
|
|
#if HAVE_EGL_STREAMS
|
|
s << "Using EGL Streams: " << m_useEglStreams << Qt::endl;
|
|
#endif
|
|
return supportInfo;
|
|
}
|
|
|
|
DmaBufTexture *DrmBackend::createDmaBufTexture(const QSize &size)
|
|
{
|
|
#if HAVE_GBM
|
|
return GbmDmaBuf::createBuffer(size, m_gbmDevice);
|
|
#else
|
|
return nullptr;
|
|
#endif
|
|
}
|
|
|
|
}
|