diff --git a/plugins/platforms/hwcomposer/hwcomposer_backend.cpp b/plugins/platforms/hwcomposer/hwcomposer_backend.cpp index 9305d3961..1fe41bdf1 100644 --- a/plugins/platforms/hwcomposer/hwcomposer_backend.cpp +++ b/plugins/platforms/hwcomposer/hwcomposer_backend.cpp @@ -1,453 +1,419 @@ /******************************************************************** 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 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . *********************************************************************/ #include "egl_hwcomposer_backend.h" #include "hwcomposer_backend.h" #include "logging.h" #include "screens_hwcomposer.h" #include "composite.h" #include "input.h" #include "main.h" #include "wayland_server.h" // KWayland #include #include #include // Qt #include // hybris/android #include #include -#include // linux #include // based on test_hwcomposer.c from libhybris project (Apache 2 licensed) namespace KWin { BacklightInputEventFilter::BacklightInputEventFilter(HwcomposerBackend *backend) : InputEventFilter() , m_backend(backend) { } BacklightInputEventFilter::~BacklightInputEventFilter() = default; bool BacklightInputEventFilter::pointerEvent(QMouseEvent *event, quint32 nativeButton) { Q_UNUSED(event) Q_UNUSED(nativeButton) if (!m_backend->isBacklightOff()) { return false; } toggleBacklight(); return true; } bool BacklightInputEventFilter::wheelEvent(QWheelEvent *event) { Q_UNUSED(event) if (!m_backend->isBacklightOff()) { return false; } toggleBacklight(); return true; } bool BacklightInputEventFilter::keyEvent(QKeyEvent *event) { if (event->key() == Qt::Key_PowerOff && event->type() == QEvent::KeyRelease) { toggleBacklight(); return true; } return m_backend->isBacklightOff(); } bool BacklightInputEventFilter::touchDown(quint32 id, const QPointF &pos, quint32 time) { Q_UNUSED(pos) Q_UNUSED(time) if (!m_backend->isBacklightOff()) { return false; } if (m_touchPoints.isEmpty()) { if (!m_doubleTapTimer.isValid()) { // this is the first tap m_doubleTapTimer.start(); } else { if (m_doubleTapTimer.elapsed() < qApp->doubleClickInterval()) { m_secondTap = true; } else { // took too long. Let's consider it a new click m_doubleTapTimer.restart(); } } } else { // not a double tap m_doubleTapTimer.invalidate(); m_secondTap = false; } m_touchPoints << id; return true; } bool BacklightInputEventFilter::touchUp(quint32 id, quint32 time) { Q_UNUSED(time) m_touchPoints.removeAll(id); if (!m_backend->isBacklightOff()) { return false; } if (m_touchPoints.isEmpty() && m_doubleTapTimer.isValid() && m_secondTap) { if (m_doubleTapTimer.elapsed() < qApp->doubleClickInterval()) { toggleBacklight(); } m_doubleTapTimer.invalidate(); m_secondTap = false; } return true; } bool BacklightInputEventFilter::touchMotion(quint32 id, const QPointF &pos, quint32 time) { Q_UNUSED(id) Q_UNUSED(pos) Q_UNUSED(time) return m_backend->isBacklightOff(); } void BacklightInputEventFilter::toggleBacklight() { // queued to not modify the list of event filters while filtering QMetaObject::invokeMethod(m_backend, "toggleBlankOutput", Qt::QueuedConnection); } HwcomposerBackend::HwcomposerBackend(QObject *parent) : Platform(parent) { handleOutputs(); } HwcomposerBackend::~HwcomposerBackend() { if (!m_outputBlank) { toggleBlankOutput(); } if (m_device) { hwc_close_1(m_device); } } static KWayland::Server::OutputInterface *createOutput(hwc_composer_device_1_t *device) { uint32_t configs[5]; size_t numConfigs = 5; if (device->getDisplayConfigs(device, 0, configs, &numConfigs) != 0) { qCWarning(KWIN_HWCOMPOSER) << "Failed to get hwcomposer display configurations"; return nullptr; } int32_t attr_values[5]; uint32_t attributes[] = { HWC_DISPLAY_WIDTH, HWC_DISPLAY_HEIGHT, HWC_DISPLAY_DPI_X, HWC_DISPLAY_DPI_Y, HWC_DISPLAY_VSYNC_PERIOD , HWC_DISPLAY_NO_ATTRIBUTE }; device->getDisplayAttributes(device, 0, configs[0], attributes, attr_values); QSize pixel(attr_values[0], attr_values[1]); if (pixel.isEmpty()) { return nullptr; } using namespace KWayland::Server; OutputInterface *o = waylandServer()->display()->createOutput(waylandServer()->display()); o->addMode(pixel, OutputInterface::ModeFlag::Current | OutputInterface::ModeFlag::Preferred, (attr_values[4] == 0) ? 60000 : 10E11/attr_values[4]); if (attr_values[2] != 0 && attr_values[3] != 0) { static const qreal factor = 25.4; o->setPhysicalSize(QSizeF(qreal(pixel.width() * 1000) / qreal(attr_values[2]) * factor, qreal(pixel.height() * 1000) / qreal(attr_values[3]) * factor).toSize()); } else { // couldn't read physical size, assume 96 dpi o->setPhysicalSize(pixel / 3.8); } o->create(); return o; } void HwcomposerBackend::init() { hw_module_t *hwcModule = nullptr; if (hw_get_module(HWC_HARDWARE_MODULE_ID, (const hw_module_t **)&hwcModule) != 0) { qCWarning(KWIN_HWCOMPOSER) << "Failed to get hwcomposer module"; emit initFailed(); return; } hwc_composer_device_1_t *hwcDevice = nullptr; if (hwc_open_1(hwcModule, &hwcDevice) != 0) { qCWarning(KWIN_HWCOMPOSER) << "Failed to open hwcomposer device"; emit initFailed(); return; } // unblank, setPowerMode? m_device = hwcDevice; // register callbacks hwc_procs_t *procs = new hwc_procs_t; procs->invalidate = [] (const struct hwc_procs* procs) { Q_UNUSED(procs) }; procs->vsync = [] (const struct hwc_procs* procs, int disp, int64_t timestamp) { Q_UNUSED(procs) if (disp != 0) { return; } dynamic_cast(kwinApp()->platform())->wakeVSync(); }; procs->hotplug = [] (const struct hwc_procs* procs, int disp, int connected) { Q_UNUSED(procs) Q_UNUSED(disp) Q_UNUSED(connected) }; m_device->registerProcs(m_device, procs); - initLights(); toggleBlankOutput(); m_filter.reset(new BacklightInputEventFilter(this)); input()->prepandInputEventFilter(m_filter.data()); // get display configuration auto output = createOutput(hwcDevice); if (!output) { emit initFailed(); return; } m_displaySize = output->pixelSize(); m_refreshRate = output->refreshRate(); if (m_refreshRate != 0) { m_vsyncInterval = 1000000/m_refreshRate; } - if (m_lights) { - using namespace KWayland::Server; - output->setDpmsSupported(true); - auto updateDpms = [this, output] { - output->setDpmsMode(m_outputBlank ? OutputInterface::DpmsMode::Off : OutputInterface::DpmsMode::On); - }; - updateDpms(); - connect(this, &HwcomposerBackend::outputBlankChanged, this, updateDpms); - connect(output, &OutputInterface::dpmsModeRequested, this, - [this] (KWayland::Server::OutputInterface::DpmsMode mode) { - if (mode == OutputInterface::DpmsMode::On) { - if (m_outputBlank) { - toggleBlankOutput(); - } - } else { - if (!m_outputBlank) { - toggleBlankOutput(); - } + + using namespace KWayland::Server; + output->setDpmsSupported(true); + auto updateDpms = [this, output] { + output->setDpmsMode(m_outputBlank ? OutputInterface::DpmsMode::Off : OutputInterface::DpmsMode::On); + }; + updateDpms(); + connect(this, &HwcomposerBackend::outputBlankChanged, this, updateDpms); + connect(output, &OutputInterface::dpmsModeRequested, this, + [this] (KWayland::Server::OutputInterface::DpmsMode mode) { + if (mode == OutputInterface::DpmsMode::On) { + if (m_outputBlank) { + toggleBlankOutput(); + } + } else { + if (!m_outputBlank) { + toggleBlankOutput(); } } - ); - } + } + ); qCDebug(KWIN_HWCOMPOSER) << "Display size:" << m_displaySize; qCDebug(KWIN_HWCOMPOSER) << "Refresh rate:" << m_refreshRate; emit screensQueried(); setReady(true); } -void HwcomposerBackend::initLights() -{ - hw_module_t *lightsModule = nullptr; - if (hw_get_module(LIGHTS_HARDWARE_MODULE_ID, (const hw_module_t **)&lightsModule) != 0) { - qCWarning(KWIN_HWCOMPOSER) << "Failed to get lights module"; - return; - } - light_device_t *lightsDevice = nullptr; - if (lightsModule->methods->open(lightsModule, LIGHT_ID_BACKLIGHT, (hw_device_t **)&lightsDevice) != 0) { - qCWarning(KWIN_HWCOMPOSER) << "Failed to create lights device"; - return; - } - m_lights = lightsDevice; -} - void HwcomposerBackend::toggleBlankOutput() { if (!m_device) { return; } m_outputBlank = !m_outputBlank; - toggleScreenBrightness(); m_device->blank(m_device, 0, m_outputBlank ? 1 : 0); // only disable Vsycn, enable happens after next frame rendered if (m_outputBlank) { enableVSync(false); } // enable/disable compositor repainting when blanked setOutputsEnabled(!m_outputBlank); if (Compositor *compositor = Compositor::self()) { if (!m_outputBlank) { compositor->addRepaintFull(); } } emit outputBlankChanged(); } -void HwcomposerBackend::toggleScreenBrightness() -{ - if (!m_lights) { - return; - } - const int brightness = m_outputBlank ? 0 : 0xFF; - struct light_state_t state; - state.flashMode = LIGHT_FLASH_NONE; - state.brightnessMode = BRIGHTNESS_MODE_USER; - - state.color = (int)((0xffU << 24) | (brightness << 16) | - (brightness << 8) | brightness); - m_lights->set_light(m_lights, &state); -} - void HwcomposerBackend::enableVSync(bool enable) { if (m_hasVsync == enable) { return; } const int result = m_device->eventControl(m_device, 0, HWC_EVENT_VSYNC, enable ? 1: 0); m_hasVsync = enable && (result == 0); } HwcomposerWindow *HwcomposerBackend::createSurface() { return new HwcomposerWindow(this); } Screens *HwcomposerBackend::createScreens(QObject *parent) { return new HwcomposerScreens(this, parent); } OpenGLBackend *HwcomposerBackend::createOpenGLBackend() { return new EglHwcomposerBackend(this); } void HwcomposerBackend::waitVSync() { if (!m_hasVsync) { return; } m_vsyncMutex.lock(); m_vsyncWaitCondition.wait(&m_vsyncMutex, m_vsyncInterval); m_vsyncMutex.unlock(); } void HwcomposerBackend::wakeVSync() { m_vsyncMutex.lock(); m_vsyncWaitCondition.wakeAll(); m_vsyncMutex.unlock(); } static void initLayer(hwc_layer_1_t *layer, const hwc_rect_t &rect) { memset(layer, 0, sizeof(hwc_layer_1_t)); layer->compositionType = HWC_FRAMEBUFFER; layer->hints = 0; layer->flags = 0; layer->handle = 0; layer->transform = 0; layer->blending = HWC_BLENDING_NONE; layer->sourceCrop = rect; layer->displayFrame = rect; layer->visibleRegionScreen.numRects = 1; layer->visibleRegionScreen.rects = &layer->displayFrame; layer->acquireFenceFd = -1; layer->releaseFenceFd = -1; layer->planeAlpha = 0xFF; } HwcomposerWindow::HwcomposerWindow(HwcomposerBackend *backend) : HWComposerNativeWindow(backend->size().width(), backend->size().height(), HAL_PIXEL_FORMAT_RGBA_8888) , m_backend(backend) { setBufferCount(3); size_t size = sizeof(hwc_display_contents_1_t) + 2 * sizeof(hwc_layer_1_t); hwc_display_contents_1_t *list = (hwc_display_contents_1_t*)malloc(size); m_list = (hwc_display_contents_1_t**)malloc(HWC_NUM_DISPLAY_TYPES * sizeof(hwc_display_contents_1_t *)); for (int i = 0; i < HWC_NUM_DISPLAY_TYPES; ++i) { m_list[i] = nullptr; } // Assign buffer only to the first item, otherwise you get tearing // if passed the same to multiple places // see https://github.com/mer-hybris/qt5-qpa-hwcomposer-plugin/commit/f1d802151e8a4f5d10d60eb8de8e07552b93a34a m_list[0] = list; const hwc_rect_t rect = { 0, 0, m_backend->size().width(), m_backend->size().height() }; initLayer(&list->hwLayers[0], rect); initLayer(&list->hwLayers[1], rect); list->retireFenceFd = -1; list->flags = HWC_GEOMETRY_CHANGED; list->numHwLayers = 2; } HwcomposerWindow::~HwcomposerWindow() { // TODO: cleanup } void HwcomposerWindow::present(HWComposerNativeWindowBuffer *buffer) { m_backend->waitVSync(); hwc_composer_device_1_t *device = m_backend->device(); auto fblayer = &m_list[0]->hwLayers[1]; fblayer->handle = buffer->handle; fblayer->acquireFenceFd = getFenceBufferFd(buffer); fblayer->releaseFenceFd = -1; int err = device->prepare(device, 1, m_list); assert(err == 0); err = device->set(device, 1, m_list); assert(err == 0); m_backend->enableVSync(true); setFenceBufferFd(buffer, fblayer->releaseFenceFd); if (m_list[0]->retireFenceFd != -1) { close(m_list[0]->retireFenceFd); m_list[0]->retireFenceFd = -1; } m_list[0]->flags = 0; } } diff --git a/plugins/platforms/hwcomposer/hwcomposer_backend.h b/plugins/platforms/hwcomposer/hwcomposer_backend.h index e7125adf7..7b20dd0b1 100644 --- a/plugins/platforms/hwcomposer/hwcomposer_backend.h +++ b/plugins/platforms/hwcomposer/hwcomposer_backend.h @@ -1,142 +1,138 @@ /******************************************************************** 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 3 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_HWCOMPOSER_BACKEND_H #define KWIN_HWCOMPOSER_BACKEND_H #include "platform.h" #include "input.h" #include #include #include // libhybris #include // needed as hwcomposer_window.h includes EGL which on non-arm includes Xlib #include typedef struct hwc_display_contents_1 hwc_display_contents_1_t; typedef struct hwc_layer_1 hwc_layer_1_t; typedef struct hwc_composer_device_1 hwc_composer_device_1_t; -struct light_device_t; class HWComposerNativeWindowBuffer; namespace KWin { class HwcomposerWindow; class BacklightInputEventFilter; class HwcomposerBackend : public Platform { Q_OBJECT Q_INTERFACES(KWin::Platform) Q_PLUGIN_METADATA(IID "org.kde.kwin.Platform" FILE "hwcomposer.json") public: explicit HwcomposerBackend(QObject *parent = nullptr); virtual ~HwcomposerBackend(); void init() override; Screens *createScreens(QObject *parent = nullptr) override; OpenGLBackend *createOpenGLBackend() override; QSize screenSize() const override { return m_displaySize; } HwcomposerWindow *createSurface(); QSize size() const { return m_displaySize; } hwc_composer_device_1_t *device() const { return m_device; } int refreshRate() const { return m_refreshRate; } void enableVSync(bool enable); void waitVSync(); void wakeVSync(); bool isBacklightOff() const { return m_outputBlank; } Q_SIGNALS: void outputBlankChanged(); private Q_SLOTS: void toggleBlankOutput(); private: - void initLights(); - void toggleScreenBrightness(); QSize m_displaySize; hwc_composer_device_1_t *m_device = nullptr; - light_device_t *m_lights = nullptr; bool m_outputBlank = true; int m_refreshRate = 60000; int m_vsyncInterval = 16; bool m_hasVsync = false; QMutex m_vsyncMutex; QWaitCondition m_vsyncWaitCondition; QScopedPointer m_filter; }; class HwcomposerWindow : public HWComposerNativeWindow { public: virtual ~HwcomposerWindow(); void present(HWComposerNativeWindowBuffer *buffer); private: friend HwcomposerBackend; HwcomposerWindow(HwcomposerBackend *backend); HwcomposerBackend *m_backend; hwc_display_contents_1_t **m_list; }; class BacklightInputEventFilter : public InputEventFilter { public: BacklightInputEventFilter(HwcomposerBackend *backend); virtual ~BacklightInputEventFilter(); bool pointerEvent(QMouseEvent *event, quint32 nativeButton) override; bool wheelEvent(QWheelEvent *event) override; bool keyEvent(QKeyEvent *event) override; bool touchDown(quint32 id, const QPointF &pos, quint32 time) override; bool touchMotion(quint32 id, const QPointF &pos, quint32 time) override; bool touchUp(quint32 id, quint32 time) override; private: void toggleBacklight(); HwcomposerBackend *m_backend; QElapsedTimer m_doubleTapTimer; QVector m_touchPoints; bool m_secondTap = false; }; } #endif