src/compositor/wayland_wrapper/wlcompositor.cpp

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  40
  41 #include "wlcompositor.h"
  42
  43 #include "waylandinput.h"
  44 #include "wldisplay.h"
  45 #include "wlsurface.h"
  46 #include "waylandcompositor.h"
  47 #include "wldatadevicemanager.h"
  48 #include "wldatadevice.h"
  49 #include "wlextendedoutput.h"
  50 #include "wlextendedsurface.h"
  51 #include "wlsubsurface.h"
  52 #include "wlshellsurface.h"
  53 #include "wltouch.h"
  54 #include "wlqtkey.h"
  55 #include "wlinputdevice.h"
  56 #include "wlregion.h"
  57
  58 #include <QWindow>
  59 #include <QSocketNotifier>
  60 #include <QScreen>
  61 #include <qpa/qplatformscreen.h>
  62 #include <QGuiApplication>
  63 #include <qpa/qplatformscreenpageflipper.h>
  64 #include <QDebug>
  65
  66 #include <stdio.h>
  67 #include <stdlib.h>
  68 #include <string.h>
  69 #include <stddef.h>
  70 #include <errno.h>
  71 #include <fcntl.h>
  72 #include <unistd.h>
  73
  74 #include <sys/mman.h>
  75 #include <sys/select.h>
  76 #include <sys/time.h>
  77
  78 #include <wayland-server.h>
  79
  80 #include "hardware_integration/graphicshardwareintegration.h"
  81 #include "waylandwindowmanagerintegration.h"
  82
  83 namespace Wayland {
  84
  85 static Compositor *compositor;
  86
  87 void compositor_create_surface(struct wl_client *client,
  88                                struct wl_resource *resource, uint32_t id)
  89 {
  90      static_cast<Compositor *>(resource->data)->createSurface(client,id);
  91 }
  92
  93 void compositor_create_region(struct wl_client *client,
  94                               struct wl_resource *compositor, uint32_t id)
  95 {
  96     Q_UNUSED(compositor);
  97     new Region(client, id);
  98 }
  99
 100 const static struct wl_compositor_interface compositor_interface = {
 101     compositor_create_surface,
 102     compositor_create_region
 103 };
 104
 105 void Compositor::bind_func(struct wl_client *client, void *data,
 106                       uint32_t version, uint32_t id)
 107 {
 108     Q_UNUSED(version);
 109     wl_client_add_object(client,&wl_compositor_interface, &compositor_interface, id,data);
 110 }
 111
 112
 113 Compositor *Compositor::instance()
 114 {
 115     return compositor;
 116 }
 117
 118 Compositor::Compositor(WaylandCompositor *qt_compositor)
 119     : m_display(new Display)
 120     , m_default_input_device(0)
 121     , m_pageFlipper(0)
 122     , m_current_frame(0)
 123     , m_last_queued_buf(-1)
 124     , m_qt_compositor(qt_compositor)
 125     , m_orientation(Qt::PrimaryOrientation)
 126     , m_directRenderSurface(0)
 127     , m_directRenderContext(0)
 128     , m_directRenderActive(false)
 129 #if defined (QT_COMPOSITOR_WAYLAND_GL)
 130     , m_graphics_hw_integration(0)
 131 #endif
 132     , m_outputExtension(0)
 133     , m_surfaceExtension(0)
 134     , m_subSurfaceExtension(0)
 135     , m_touchExtension(0)
 136     , m_retainNotify(0)
 137 {
 138     compositor = this;
 139
 140 #if defined (QT_COMPOSITOR_WAYLAND_GL)
 141     QWindow *window = qt_compositor->window();
 142     if (window && window->surfaceType() != QWindow::RasterSurface)
 143         m_graphics_hw_integration = GraphicsHardwareIntegration::createGraphicsHardwareIntegration(qt_compositor);
 144 #endif
 145     m_windowManagerIntegration = new WindowManagerServerIntegration(qt_compositor, this);
 146
 147     wl_display_add_global(m_display->handle(),&wl_compositor_interface,this,Compositor::bind_func);
 148
 149     m_data_device_manager =  new DataDeviceManager(this);
 150
 151     wl_display_add_global(m_display->handle(),&wl_output_interface, &m_output_global,OutputGlobal::output_bind_func);
 152
 153     m_shell = new Shell();
 154     wl_display_add_global(m_display->handle(), &wl_shell_interface, m_shell, Shell::bind_func);
 155
 156     wl_display_init_shm(m_display->handle());
 157
 158     m_outputExtension = new OutputExtensionGlobal(this);
 159     m_surfaceExtension = new SurfaceExtensionGlobal(this);
 160     m_qtkeyExtension = new QtKeyExtensionGlobal(this);
 161     m_touchExtension = new TouchExtensionGlobal(this);
 162
 163     if (wl_display_add_socket(m_display->handle(), qt_compositor->socketName())) {
 164         fprintf(stderr, "Fatal: Failed to open server socket\n");
 165         exit(EXIT_FAILURE);
 166     }
 167
 168     m_loop = wl_display_get_event_loop(m_display->handle());
 169
 170     int fd = wl_event_loop_get_fd(m_loop);
 171
 172     QSocketNotifier *sockNot = new QSocketNotifier(fd, QSocketNotifier::Read, this);
 173     connect(sockNot, SIGNAL(activated(int)), this, SLOT(processWaylandEvents()));
 174
 175     qRegisterMetaType<SurfaceBuffer*>("SurfaceBuffer*");
 176     //initialize distancefieldglyphcache here
 177 }
 178
 179 Compositor::~Compositor()
 180 {
 181     delete m_shell;
 182     delete m_outputExtension;
 183     delete m_surfaceExtension;
 184     delete m_subSurfaceExtension;
 185     delete m_touchExtension;
 186     delete m_qtkeyExtension;
 187
 188     delete m_default_wayland_input_device;
 189     delete m_data_device_manager;
 190
 191 #ifdef QT_COMPOSITOR_WAYLAND_GL
 192     delete m_graphics_hw_integration;
 193 #endif
 194
 195     delete m_display;
 196 }
 197
 198 void Compositor::frameFinished(Surface *surface)
 199 {
 200     if (surface && m_dirty_surfaces.contains(surface)) {
 201         m_dirty_surfaces.remove(surface);
 202         surface->sendFrameCallback();
 203     } else if (!surface) {
 204         QSet<Surface *> dirty = m_dirty_surfaces;
 205         m_dirty_surfaces.clear();
 206         foreach (Surface *surface, dirty)
 207             surface->sendFrameCallback();
 208     }
 209 }
 210
 211 void Compositor::createSurface(struct wl_client *client, uint32_t id)
 212 {
 213     Surface *surface = new Surface(client,id, this);
 214
 215     m_surfaces << surface;
 216
 217     m_qt_compositor->surfaceCreated(surface->waylandSurface());
 218 }
 219
 220 struct wl_client *Compositor::getClientFromWinId(uint winId) const
 221 {
 222     Surface *surface = getSurfaceFromWinId(winId);
 223     if (surface)
 224         return surface->base()->resource.client;
 225
 226     return 0;
 227 }
 228
 229 Surface *Compositor::getSurfaceFromWinId(uint winId) const
 230 {
 231     foreach (Surface *surface, m_surfaces) {
 232         if (surface->id() == winId)
 233             return surface;
 234     }
 235
 236     return 0;
 237 }
 238
 239 QImage Compositor::image(uint winId) const
 240 {
 241     foreach (Surface *surface, m_surfaces) {
 242         if (surface->id() == winId) {
 243             return surface->image();
 244         }
 245     }
 246
 247     return QImage();
 248 }
 249
 250 uint Compositor::currentTimeMsecs()
 251 {
 252     //### we throw away the time information
 253     struct timeval tv;
 254     int ret = gettimeofday(&tv, 0);
 255     if (ret == 0)
 256         return tv.tv_sec*1000 + tv.tv_usec/1000;
 257     return 0;
 258 }
 259
 260 void Compositor::releaseBuffer(SurfaceBuffer *screenBuffer)
 261 {
 262     screenBuffer->scheduledRelease();
 263 }
 264
 265 void Compositor::processWaylandEvents()
 266 {
 267     int ret = wl_event_loop_dispatch(m_loop, 0);
 268     if (ret)
 269         fprintf(stderr, "wl_event_loop_dispatch error: %d\n", ret);
 270 }
 271
 272 void Compositor::surfaceDestroyed(Surface *surface)
 273 {
 274     if (defaultInputDevice()->mouseFocus() == surface)
 275         defaultInputDevice()->setMouseFocus(0, QPoint(), QPoint());
 276     m_surfaces.removeOne(surface);
 277     m_dirty_surfaces.remove(surface);
 278     if (m_directRenderSurface == surface)
 279         setDirectRenderSurface(0, 0);
 280     waylandCompositor()->surfaceAboutToBeDestroyed(surface->waylandSurface());
 281 }
 282
 283 void Compositor::markSurfaceAsDirty(Wayland::Surface *surface)
 284 {
 285     m_dirty_surfaces.insert(surface);
 286 }
 287
 288 void Compositor::destroyClient(WaylandClient *c)
 289 {
 290     wl_client *client = static_cast<wl_client *>(c);
 291     if (client) {
 292         m_windowManagerIntegration->removeClient(client);
 293         wl_client_destroy(client);
 294     }
 295 }
 296
 297 QWindow *Compositor::window() const
 298 {
 299     return m_qt_compositor->window();
 300 }
 301
 302 GraphicsHardwareIntegration * Compositor::graphicsHWIntegration() const
 303 {
 304 #ifdef QT_COMPOSITOR_WAYLAND_GL
 305     return m_graphics_hw_integration;
 306 #else
 307     return 0;
 308 #endif
 309 }
 310
 311 void Compositor::initializeHardwareIntegration()
 312 {
 313 #ifdef QT_COMPOSITOR_WAYLAND_GL
 314     if (m_graphics_hw_integration)
 315         m_graphics_hw_integration->initializeHardware(m_display);
 316 #endif
 317 }
 318
 319 void Compositor::initializeDefaultInputDevice()
 320 {
 321     m_default_wayland_input_device = new WaylandInputDevice(m_qt_compositor);
 322     m_default_input_device = m_default_wayland_input_device->handle();
 323 }
 324
 325 void Compositor::initializeWindowManagerProtocol()
 326 {
 327     m_windowManagerIntegration->initialize(m_display);
 328 }
 329
 330 void Compositor::enableSubSurfaceExtension()
 331 {
 332     if (!m_subSurfaceExtension) {
 333         m_subSurfaceExtension = new SubSurfaceExtensionGlobal(this);
 334     }
 335 }
 336
 337 bool Compositor::setDirectRenderSurface(Surface *surface, QOpenGLContext *context)
 338 {
 339 #ifdef QT_COMPOSITOR_WAYLAND_GL
 340     if (!m_pageFlipper) {
 341         m_pageFlipper = QGuiApplication::primaryScreen()->handle()->pageFlipper();
 342     }
 343
 344     if (!surface)
 345         setDirectRenderingActive(false);
 346
 347     if (m_graphics_hw_integration && m_graphics_hw_integration->setDirectRenderSurface(surface ? surface->waylandSurface() : 0)) {
 348         m_directRenderSurface = surface;
 349         m_directRenderContext = context;
 350         return true;
 351     }
 352 #else
 353     Q_UNUSED(surface);
 354 #endif
 355     return false;
 356 }
 357
 358 void Compositor::setDirectRenderingActive(bool active)
 359 {
 360     if (m_directRenderActive == active)
 361         return;
 362     m_directRenderActive = active;
 363
 364     if (m_pageFlipper)
 365         QMetaObject::invokeMethod(m_pageFlipper, "setDirectRenderingActive", Q_ARG(bool, active));
 366 }
 367
 368 QList<struct wl_client *> Compositor::clients() const
 369 {
 370     QList<struct wl_client *> list;
 371     foreach (Surface *surface, m_surfaces) {
 372         struct wl_client *client = surface->base()->resource.client;
 373         if (!list.contains(client))
 374             list.append(client);
 375     }
 376     return list;
 377 }
 378
 379 void Compositor::setScreenOrientation(Qt::ScreenOrientation orientation)
 380 {
 381     m_orientation = orientation;
 382
 383     QList<struct wl_client*> clientList = clients();
 384     for (int i = 0; i < clientList.length(); ++i) {
 385         struct wl_client *client = clientList.at(i);
 386         Output *output = m_output_global.outputForClient(client);
 387         Q_ASSERT(output);
 388         if (output->extendedOutput()){
 389             output->extendedOutput()->sendOutputOrientation(orientation);
 390         }
 391     }
 392 }
 393
 394 Qt::ScreenOrientation Compositor::screenOrientation() const
 395 {
 396     return m_orientation;
 397 }
 398
 399 void Compositor::setOutputGeometry(const QRect &geometry)
 400 {
 401     m_output_global.setGeometry(geometry);
 402 }
 403
 404 QRect Compositor::outputGeometry() const
 405 {
 406     return m_output_global.geometry();
 407 }
 408
 409 void Compositor::setOutputRefreshRate(int rate)
 410 {
 411     m_output_global.setRefreshRate(rate);
 412 }
 413
 414 int Compositor::outputRefreshRate() const
 415 {
 416     return m_output_global.refreshRate();
 417 }
 418
 419 void Compositor::setClientFullScreenHint(bool value)
 420 {
 421     m_windowManagerIntegration->setShowIsFullScreen(value);
 422 }
 423
 424 InputDevice* Compositor::defaultInputDevice()
 425 {
 426     return m_default_input_device;
 427 }
 428
 429 QList<Wayland::Surface *> Compositor::surfacesForClient(wl_client *client)
 430 {
 431     QList<Wayland::Surface *> ret;
 432
 433     for (int i=0; i < m_surfaces.count(); ++i) {
 434         if (m_surfaces.at(i)->base()->resource.client == client) {
 435             ret.append(m_surfaces.at(i));
 436         }
 437     }
 438     return ret;
 439 }
 440
 441 void Compositor::configureTouchExtension(int flags)
 442 {
 443     if (m_touchExtension)
 444         m_touchExtension->setFlags(flags);
 445 }
 446
 447 void Compositor::setRetainedSelectionWatcher(RetainedSelectionFunc func, void *param)
 448 {
 449     m_retainNotify = func;
 450     m_retainNotifyParam = param;
 451 }
 452
 453 bool Compositor::wantsRetainedSelection() const
 454 {
 455     return m_retainNotify != 0;
 456 }
 457
 458 void Compositor::feedRetainedSelectionData(QMimeData *data)
 459 {
 460     if (m_retainNotify) {
 461         m_retainNotify(data, m_retainNotifyParam);
 462     }
 463 }
 464
 465 void Compositor::scheduleReleaseBuffer(SurfaceBuffer *screenBuffer)
 466 {
 467     QMetaObject::invokeMethod(this,"releaseBuffer",Q_ARG(SurfaceBuffer*,screenBuffer));
 468 }
 469
 470 void Compositor::overrideSelection(QMimeData *data)
 471 {
 472     m_data_device_manager->overrideSelection(*data);
 473 }
 474
 475 bool Compositor::isDragging() const
 476 {
 477     return false;
 478 }
 479
 480 void Compositor::sendDragMoveEvent(const QPoint &global, const QPoint &local,
 481                                             Surface *surface)
 482 {
 483     Q_UNUSED(global);
 484     Q_UNUSED(local);
 485     Q_UNUSED(surface);
 486 //    Drag::instance()->dragMove(global, local, surface);
 487 }
 488
 489 void Compositor::sendDragEndEvent()
 490 {
 491 //    Drag::instance()->dragEnd();
 492 }
 493
 494 } // namespace Wayland