void flush_wayland_fd(void *data)
{
struct pollfd fd = {0};
input_ctx_wayland_data_t *wl = (input_ctx_wayland_data_t*)data;
wl_display_dispatch_pending(wl->dpy);
wl_display_flush(wl->dpy);
fd.fd = wl->fd;
fd.events = POLLIN | POLLOUT | POLLERR | POLLHUP;
if (poll(&fd, 1, 0) > 0)
{
if (fd.revents & (POLLERR | POLLHUP))
{
close(wl->fd);
frontend_driver_set_signal_handler_state(1);
}
if (fd.revents & POLLIN)
wl_display_dispatch(wl->dpy);
if (fd.revents & POLLOUT)
wl_display_flush(wl->dpy);
}
}
static gpointer
gst_wl_display_thread_run (gpointer data)
{
GstWlDisplay *self = data;
GstPollFD pollfd = GST_POLL_FD_INIT;
pollfd.fd = wl_display_get_fd (self->display);
gst_poll_add_fd (self->wl_fd_poll, &pollfd);
gst_poll_fd_ctl_read (self->wl_fd_poll, &pollfd, TRUE);
/* main loop */
while (1) {
while (wl_display_prepare_read_queue (self->display, self->queue) != 0)
wl_display_dispatch_queue_pending (self->display, self->queue);
wl_display_flush (self->display);
if (gst_poll_wait (self->wl_fd_poll, GST_CLOCK_TIME_NONE) < 0) {
gboolean normal = (errno == EBUSY);
wl_display_cancel_read (self->display);
if (normal)
break;
else
goto error;
} else {
wl_display_read_events (self->display);
wl_display_dispatch_queue_pending (self->display, self->queue);
}
}
return NULL;
error:
GST_ERROR ("Error communicating with the wayland server");
return NULL;
}
static void
leak_closure(void)
{
struct wl_callback *cb;
struct pollfd pfd;
struct client *c = client_connect();
cb = wl_display_sync(c->wl_display);
assert(cb);
assert(wl_display_flush(c->wl_display) > 0);
/* we don't need it, it is referenced */
wl_callback_destroy(cb);
pfd.fd = wl_display_get_fd(c->wl_display);
pfd.events = POLLIN;
test_set_timeout(2);
assert(poll(&pfd, 1, -1) == 1);
/* read events, but do not dispatch them */
assert(wl_display_prepare_read(c->wl_display) == 0);
assert(wl_display_read_events(c->wl_display) == 0);
/*
* now we have wl_callback.done and wl_display.delete_id queued;
* if we now release the queue (in wl_display_disconnect())
* we should not leak memory
*/
client_disconnect(c);
}
void
gst_wl_window_render (GstWlWindow * window, GstWlBuffer * buffer,
const GstVideoInfo * info)
{
if (G_UNLIKELY (info)) {
window->video_width =
gst_util_uint64_scale_int_round (info->width, info->par_n, info->par_d);
window->video_height = info->height;
wl_subsurface_set_sync (window->video_subsurface);
gst_wl_window_resize_video_surface (window, FALSE);
gst_wl_window_set_opaque (window, info);
}
if (G_LIKELY (buffer))
gst_wl_buffer_attach (buffer, window->video_surface_wrapper);
else
wl_surface_attach (window->video_surface_wrapper, NULL, 0, 0);
wl_surface_damage (window->video_surface_wrapper, 0, 0,
window->video_rectangle.w, window->video_rectangle.h);
wl_surface_commit (window->video_surface_wrapper);
if (G_UNLIKELY (info)) {
/* commit also the parent (area_surface) in order to change
* the position of the video_subsurface */
wl_surface_damage (window->area_surface_wrapper, 0, 0,
window->render_rectangle.w, window->render_rectangle.h);
wl_surface_commit (window->area_surface_wrapper);
wl_subsurface_set_desync (window->video_subsurface);
}
wl_display_flush (window->display->display);
}
/** Background thread for Wayland shell events handling */
static void *Thread(void *data)
{
vout_window_t *wnd = data;
struct wl_display *display = wnd->display.wl;
struct pollfd ufd[1];
int canc = vlc_savecancel();
vlc_cleanup_push(cleanup_wl_display_read, display);
ufd[0].fd = wl_display_get_fd(display);
ufd[0].events = POLLIN;
for (;;)
{
while (wl_display_prepare_read(display) != 0)
wl_display_dispatch_pending(display);
wl_display_flush(display);
vlc_restorecancel(canc);
while (poll(ufd, 1, -1) < 0);
canc = vlc_savecancel();
wl_display_read_events(display);
wl_display_dispatch_pending(display);
}
vlc_assert_unreachable();
vlc_cleanup_pop();
//vlc_restorecancel(canc);
//return NULL;
}
static gboolean
gdk_event_source_prepare(GSource *base, gint *timeout)
{
GdkWaylandEventSource *source = (GdkWaylandEventSource *) base;
GdkWaylandDisplay *display = (GdkWaylandDisplay *) source->display;
*timeout = -1;
if (source->display->event_pause_count > 0)
return _gdk_event_queue_find_first (source->display) != NULL;
/* We have to add/remove the GPollFD if we want to update our
* poll event mask dynamically. Instead, let's just flush all
* write on idle instead, which is what this amounts to. */
if (_gdk_event_queue_find_first (source->display) != NULL)
return TRUE;
if (wl_display_flush (display->wl_display) < 0)
g_error ("Error flushing display: %s", g_strerror (errno));
if (wl_display_dispatch_pending (display->wl_display) < 0)
g_error ("Error dispatching display: %s", g_strerror (errno));
return FALSE;
}
static void
send_state(int fd, struct display* display)
{
char buf[64];
int len;
int visible = display->surface->output != NULL;
wl_fixed_t x = wl_fixed_from_int(-1);
wl_fixed_t y = wl_fixed_from_int(-1);
if (display->input->pointer_focus != NULL) {
assert(display->input->pointer_focus == display->surface);
x = wl_fixed_from_double(display->input->x);
y = wl_fixed_from_double(display->input->y);
}
if (visible) {
/* FIXME: this fails on multi-display setup */
/* assert(display->surface->output == display->output); */
}
wl_display_flush(display->display);
len = snprintf(buf, sizeof buf, "%d %d %d\n", x, y, visible);
assert(write(fd, buf, len) == len);
wl_display_roundtrip(display->display);
}
static void
gst_gl_window_wayland_egl_close (GstGLWindow * window)
{
GstGLWindowWaylandEGL *window_egl;
window_egl = GST_GL_WINDOW_WAYLAND_EGL (window);
destroy_surface (window_egl);
if (window_egl->display.cursor_surface)
wl_surface_destroy (window_egl->display.cursor_surface);
if (window_egl->display.cursor_theme)
wl_cursor_theme_destroy (window_egl->display.cursor_theme);
if (window_egl->display.shell)
wl_shell_destroy (window_egl->display.shell);
if (window_egl->display.compositor)
wl_compositor_destroy (window_egl->display.compositor);
if (window_egl->display.display) {
wl_display_flush (window_egl->display.display);
wl_display_disconnect (window_egl->display.display);
}
}
NativeStateWayland::~NativeStateWayland()
{
if (window_) {
if (window_->shell_surface)
wl_shell_surface_destroy(window_->shell_surface);
if (window_->opaque_reqion)
wl_region_destroy(window_->opaque_reqion);
if (window_->surface)
wl_surface_destroy(window_->surface);
if (window_->native)
wl_egl_window_destroy(window_->native);
delete window_;
}
if (display_) {
if (display_->shell)
wl_shell_destroy(display_->shell);
for (OutputsVector::iterator it = display_->outputs.begin();
it != display_->outputs.end(); ++it) {
wl_output_destroy((*it)->output);
delete *it;
}
if (display_->compositor)
wl_compositor_destroy(display_->compositor);
if (display_->registry)
wl_registry_destroy(display_->registry);
if (display_->display) {
wl_display_flush(display_->display);
wl_display_disconnect(display_->display);
}
delete display_;
}
}
/* must be called with the render lock */
static void
render_last_buffer (GstWaylandSink * sink)
{
GstWlMeta *meta;
struct wl_surface *surface;
struct wl_callback *callback;
meta = gst_buffer_get_wl_meta (sink->last_buffer);
surface = gst_wl_window_get_wl_surface (sink->window);
g_atomic_int_set (&sink->redraw_pending, TRUE);
callback = wl_surface_frame (surface);
wl_callback_add_listener (callback, &frame_callback_listener, sink);
/* Here we essentially add a reference to the buffer. This represents
* the fact that the compositor is using the buffer and it should
* not return back to the pool and be reused until the compositor
* releases it. The release is handled internally in the pool */
gst_wayland_compositor_acquire_buffer (meta->pool, sink->last_buffer);
wl_surface_attach (surface, meta->wbuffer, 0, 0);
wl_surface_damage (surface, 0, 0, sink->window->surface_width,
sink->window->surface_height);
wl_surface_commit (surface);
wl_display_flush (sink->display->display);
}
void wl_dispatch_events() {
wl_display_flush(registry->display);
if (wl_display_dispatch(registry->display) == -1) {
sway_log(L_ERROR, "failed to run wl_display_dispatch");
exit(1);
}
}
static void gfx_ctx_wl_destroy_resources(gfx_ctx_wayland_data_t *wl)
{
if (!wl)
return;
switch (wl_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
case GFX_CTX_OPENVG_API:
#ifdef HAVE_EGL
egl_destroy(&wl->egl);
if (wl->win)
wl_egl_window_destroy(wl->win);
#endif
break;
case GFX_CTX_VULKAN_API:
#ifdef HAVE_VULKAN
vulkan_context_destroy(&wl->vk, wl->surface);
if (wl->fd >= 0)
close(wl->fd);
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
if (wl->shell)
wl_shell_destroy(wl->shell);
if (wl->compositor)
wl_compositor_destroy(wl->compositor);
if (wl->registry)
wl_registry_destroy(wl->registry);
if (wl->shell_surf)
wl_shell_surface_destroy(wl->shell_surf);
if (wl->surface)
wl_surface_destroy(wl->surface);
if (wl->dpy)
{
wl_display_flush(wl->dpy);
wl_display_disconnect(wl->dpy);
}
#ifdef HAVE_EGL
wl->win = NULL;
#endif
wl->shell = NULL;
wl->compositor = NULL;
wl->registry = NULL;
wl->dpy = NULL;
wl->shell_surf = NULL;
wl->surface = NULL;
wl->width = 0;
wl->height = 0;
}
void XdevLWindowWayland::show() {
if(m_fullScreen) {
wl_shell_surface_set_fullscreen(m_shellSurface, WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT, 0, nullptr);
} else {
wl_shell_surface_set_toplevel(m_shellSurface);
}
wl_display_flush(display);
}
bool WL_destroy() {
wl_registry_destroy(_WL_display.registry);
NWMan_events_destroy();
wl_display_flush(_WL_display.display);
wl_display_disconnect(_WL_display.display);
return true;
}
void sigalarm_handler(int sig) {
signal(SIGALRM, SIG_IGN);
// Hide typing indicator
render_data.auth_state = AUTH_STATE_IDLE;
render(&render_data);
wl_display_flush(registry->display);
signal(SIGALRM, sigalarm_handler);
}
static void
gdk_wayland_display_flush (GdkDisplay *display)
{
g_return_if_fail (GDK_IS_DISPLAY (display));
if (!display->closed)
wl_display_flush (GDK_WAYLAND_DISPLAY (display)->wl_display);
}
void WaylandNativeWindow::finishSwap()
{
int ret = 0;
lock();
WaylandNativeWindowBuffer *wnb = queue.front();
if (!wnb) {
wnb = m_lastBuffer;
} else {
queue.pop_front();
}
assert(wnb);
m_lastBuffer = wnb;
wnb->busy = 1;
ret = readQueue(false);
if (this->frame_callback) {
do {
ret = readQueue(true);
} while (this->frame_callback && ret != -1);
}
if (ret < 0) {
HYBRIS_TRACE_END("wayland-platform", "queueBuffer_wait_for_frame_callback", "-%p", wnb);
return;
}
if (wnb->wlbuffer == NULL)
{
wnb->wlbuffer_from_native_handle(m_android_wlegl, m_display, wl_queue);
TRACE("%p add listener with %p inside", wnb, wnb->wlbuffer);
wl_buffer_add_listener(wnb->wlbuffer, &wl_buffer_listener, this);
wl_proxy_set_queue((struct wl_proxy *) wnb->wlbuffer, this->wl_queue);
}
if (m_swap_interval > 0) {
this->frame_callback = wl_surface_frame(m_window->surface);
wl_callback_add_listener(this->frame_callback, &frame_listener, this);
wl_proxy_set_queue((struct wl_proxy *) this->frame_callback, this->wl_queue);
}
wl_surface_attach(m_window->surface, wnb->wlbuffer, 0, 0);
wl_surface_damage(m_window->surface, 0, 0, wnb->width, wnb->height);
wl_surface_commit(m_window->surface);
// Some compositors, namely Weston, queue buffer release events instead
// of sending them immediately. If a frame event is used, this should
// not be a problem. Without a frame event, we need to send a sync
// request to ensure that they get flushed.
wl_callback_destroy(wl_display_sync(m_display));
wl_display_flush(m_display);
fronted.push_back(wnb);
m_window->attached_width = wnb->width;
m_window->attached_height = wnb->height;
m_damage_rects = NULL;
m_damage_n_rects = 0;
unlock();
}
static void
gst_wl_display_finalize (GObject * gobject)
{
GstWlDisplay *self = GST_WL_DISPLAY (gobject);
gst_poll_set_flushing (self->wl_fd_poll, TRUE);
if (self->thread)
g_thread_join (self->thread);
/* to avoid buffers being unregistered from another thread
* at the same time, take their ownership */
g_mutex_lock (&self->buffers_mutex);
self->shutting_down = TRUE;
g_hash_table_foreach (self->buffers, (GHFunc) g_object_ref, NULL);
g_mutex_unlock (&self->buffers_mutex);
g_hash_table_foreach (self->buffers,
(GHFunc) gst_wl_buffer_force_release_and_unref, NULL);
g_hash_table_remove_all (self->buffers);
g_array_unref (self->shm_formats);
g_array_unref (self->dmabuf_formats);
gst_poll_free (self->wl_fd_poll);
g_hash_table_unref (self->buffers);
g_mutex_clear (&self->buffers_mutex);
if (self->viewporter)
wp_viewporter_destroy (self->viewporter);
if (self->shm)
wl_shm_destroy (self->shm);
if (self->dmabuf)
zwp_linux_dmabuf_v1_destroy (self->dmabuf);
if (self->shell)
wl_shell_destroy (self->shell);
if (self->compositor)
wl_compositor_destroy (self->compositor);
if (self->subcompositor)
wl_subcompositor_destroy (self->subcompositor);
if (self->registry)
wl_registry_destroy (self->registry);
if (self->queue)
wl_event_queue_destroy (self->queue);
if (self->own_display) {
wl_display_flush (self->display);
wl_display_disconnect (self->display);
}
G_OBJECT_CLASS (gst_wl_display_parent_class)->finalize (gobject);
}
static int
wayland_compositor_handle_event(int fd, uint32_t mask, void *data)
{
struct wayland_compositor *c = data;
int count = 0;
if (mask & WL_EVENT_READABLE)
count = wl_display_dispatch(c->parent.wl_display);
if (mask & WL_EVENT_WRITABLE)
wl_display_flush(c->parent.wl_display);
if (mask == 0) {
count = wl_display_dispatch_pending(c->parent.wl_display);
wl_display_flush(c->parent.wl_display);
}
return count;
}
void QWaylandDisplay::flushRequests()
{
int ret = wl_display_dispatch_queue_pending(mDisplay, mEventQueue);
if (ret < 0) {
qWarning("The wayland connection broke (error %d). Did the wayland compositor die?", errno);
exit(1);
}
wl_display_flush(mDisplay);
}
xdl_int XdevLWindowEventServerWayland::update() {
while(wl_display_prepare_read(display) < 0) {
wl_display_dispatch_pending(display);
}
wl_display_flush(display);
wl_display_read_events(display);
return ERR_OK;
}
void XdevLWindowWayland::setFullscreen(xdl_bool state) {
m_fullScreen = state;
if(state) {
wl_shell_surface_set_fullscreen(m_shellSurface, WL_SHELL_SURFACE_FULLSCREEN_METHOD_SCALE, 0, nullptr);
} else {
wl_shell_surface_set_toplevel(m_shellSurface);
}
wl_display_flush(display);
}
static void Prepare(vout_display_t *vd, picture_t *pic, subpicture_t *subpic,
vlc_tick_t date)
{
VLC_UNUSED(date);
vout_display_sys_t *sys = vd->sys;
struct wl_display *display = sys->embed->display.wl;
struct wl_surface *surface = sys->embed->handle.wl;
struct picture_buffer_t *picbuf = pic->p_sys;
if (picbuf->fd == -1)
return;
struct buffer_data *d = malloc(sizeof (*d));
if (unlikely(d == NULL))
return;
d->picture = pic;
d->counter = &sys->active_buffers;
off_t offset = picbuf->offset;
const size_t stride = pic->p->i_pitch;
const size_t size = pic->p->i_lines * stride;
struct wl_shm_pool *pool;
struct wl_buffer *buf;
pool = wl_shm_create_pool(sys->shm, picbuf->fd, offset + size);
if (pool == NULL)
{
free(d);
return;
}
if (sys->viewport == NULL) /* Poor man's crop */
offset += 4 * vd->fmt.i_x_offset
+ pic->p->i_pitch * vd->fmt.i_y_offset;
buf = wl_shm_pool_create_buffer(pool, offset, vd->fmt.i_visible_width,
vd->fmt.i_visible_height, stride,
WL_SHM_FORMAT_XRGB8888);
wl_shm_pool_destroy(pool);
if (buf == NULL)
{
free(d);
return;
}
picture_Hold(pic);
wl_buffer_add_listener(buf, &buffer_cbs, d);
wl_surface_attach(surface, buf, 0, 0);
wl_surface_damage(surface, 0, 0, sys->display_width, sys->display_height);
wl_display_flush(display);
sys->active_buffers++;
(void) subpic;
}
void bar_run(struct bar *bar) {
int pfds = bar->outputs->length + 2;
struct pollfd *pfd = malloc(pfds * sizeof(struct pollfd));
bool dirty = true;
pfd[0].fd = bar->ipc_event_socketfd;
pfd[0].events = POLLIN;
pfd[1].fd = bar->status_read_fd;
pfd[1].events = POLLIN;
int i;
for (i = 0; i < bar->outputs->length; ++i) {
struct output *output = bar->outputs->items[i];
pfd[i+2].fd = wl_display_get_fd(output->registry->display);
pfd[i+2].events = POLLIN;
}
while (1) {
if (dirty) {
int i;
for (i = 0; i < bar->outputs->length; ++i) {
struct output *output = bar->outputs->items[i];
if (window_prerender(output->window) && output->window->cairo) {
render(output, bar->config, bar->status);
window_render(output->window);
wl_display_flush(output->registry->display);
}
}
}
dirty = false;
poll(pfd, pfds, -1);
if (pfd[0].revents & POLLIN) {
sway_log(L_DEBUG, "Got IPC event.");
dirty = handle_ipc_event(bar);
}
if (bar->config->status_command && pfd[1].revents & POLLIN) {
sway_log(L_DEBUG, "Got update from status command.");
dirty = handle_status_line(bar);
}
// dispatch wl_display events
for (i = 0; i < bar->outputs->length; ++i) {
struct output *output = bar->outputs->items[i];
if (pfd[i+2].revents & POLLIN) {
if (wl_display_dispatch(output->registry->display) == -1) {
sway_log(L_ERROR, "failed to dispatch wl: %d", errno);
}
} else {
wl_display_dispatch_pending(output->registry->display);
}
}
}
}
int WaylandNativeWindow::postBuffer(ANativeWindowBuffer* buffer)
{
TRACE("");
WaylandNativeWindowBuffer *wnb = NULL;
lock();
std::list<WaylandNativeWindowBuffer *>::iterator it = post_registered.begin();
for (; it != post_registered.end(); it++)
{
if ((*it)->other == buffer)
{
wnb = (*it);
break;
}
}
unlock();
if (!wnb)
{
wnb = new WaylandNativeWindowBuffer(buffer);
wnb->common.incRef(&wnb->common);
buffer->common.incRef(&buffer->common);
}
int ret = 0;
lock();
wnb->busy = 1;
ret = readQueue(false);
unlock();
if (ret < 0) {
return ret;
}
lock();
if (wnb->wlbuffer == NULL)
{
wnb->wlbuffer_from_native_handle(m_android_wlegl, m_display, wl_queue);
TRACE("%p add listener with %p inside", wnb, wnb->wlbuffer);
wl_buffer_add_listener(wnb->wlbuffer, &wl_buffer_listener, this);
wl_proxy_set_queue((struct wl_proxy *) wnb->wlbuffer, this->wl_queue);
post_registered.push_back(wnb);
}
TRACE("%p DAMAGE AREA: %dx%d", wnb, wnb->width, wnb->height);
wl_surface_attach(m_window->surface, wnb->wlbuffer, 0, 0);
wl_surface_damage(m_window->surface, 0, 0, wnb->width, wnb->height);
wl_surface_commit(m_window->surface);
wl_display_flush(m_display);
posted.push_back(wnb);
unlock();
return NO_ERROR;
}
static int Control(vout_window_t *wnd, int cmd, va_list ap)
{
vout_window_sys_t *sys = wnd->sys;
struct wl_display *display = wnd->display.wl;
switch (cmd)
{
case VOUT_WINDOW_SET_STATE:
return VLC_EGENERIC;
case VOUT_WINDOW_SET_SIZE:
{
unsigned width = va_arg (ap, unsigned);
unsigned height = va_arg (ap, unsigned);
vlc_mutex_lock(&sys->lock);
sys->top_width = width;
sys->top_height = height;
if (!sys->fullscreen)
vout_window_ReportSize(wnd, width, height);
vlc_mutex_unlock(&sys->lock);
break;
}
case VOUT_WINDOW_SET_FULLSCREEN:
{
bool fs = va_arg(ap, int);
if (fs && sys->output != NULL)
{
wl_shell_surface_set_fullscreen(sys->shell_surface, 1, 0,
sys->output);
vlc_mutex_lock(&sys->lock);
sys->fullscreen = true;
vout_window_ReportSize(wnd, sys->fs_width, sys->fs_height);
vlc_mutex_unlock(&sys->lock);
}
else
{
wl_shell_surface_set_toplevel(sys->shell_surface);
vlc_mutex_lock(&sys->lock);
sys->fullscreen = false;
vout_window_ReportSize(wnd, sys->top_width, sys->top_height);
vlc_mutex_unlock(&sys->lock);
}
break;
}
default:
msg_Err(wnd, "request %d not implemented", cmd);
return VLC_EGENERIC;
}
wl_display_flush(display);
return VLC_SUCCESS;
}
const char*
nsRetrievalContextWayland::GetClipboardData(const char* aMimeType,
int32_t aWhichClipboard,
uint32_t* aContentLength)
{
NS_ASSERTION(mDataOffer, "Requested data without valid data offer!");
if (!mDataOffer) {
// TODO
// Something went wrong. We're requested to provide clipboard data
// but we haven't got any from wayland. Looks like rhbz#1455915.
return nullptr;
}
int pipe_fd[2];
if (pipe(pipe_fd) == -1)
return nullptr;
wl_data_offer_receive(mDataOffer, aMimeType, pipe_fd[1]);
close(pipe_fd[1]);
wl_display_flush(mDisplay);
struct pollfd fds;
fds.fd = pipe_fd[0];
fds.events = POLLIN;
// Choose some reasonable timeout here
int ret = poll(&fds, 1, kClipboardTimeout / 1000);
if (!ret || ret == -1) {
close(pipe_fd[0]);
return nullptr;
}
GIOChannel *channel = g_io_channel_unix_new(pipe_fd[0]);
GError* error = nullptr;
gchar *clipboardData = nullptr;
gsize dataLength = 0;
g_io_channel_set_encoding(channel, nullptr, &error);
if (!error) {
g_io_channel_read_to_end(channel, &clipboardData, &dataLength, &error);
}
if (error) {
NS_WARNING(
nsPrintfCString("Unexpected error when reading clipboard data: %s",
error->message).get());
g_error_free(error);
}
g_io_channel_unref(channel);
close(pipe_fd[0]);
*aContentLength = dataLength;
return reinterpret_cast<const char*>(clipboardData);
}
static gboolean
gst_vaapi_window_wayland_sync (GstVaapiWindow * window)
{
GstVaapiWindowWaylandPrivate *const priv =
GST_VAAPI_WINDOW_WAYLAND_GET_PRIVATE (window);
struct wl_display *const wl_display =
GST_VAAPI_OBJECT_NATIVE_DISPLAY (window);
if (priv->sync_failed)
return FALSE;
if (priv->pollfd.fd < 0) {
priv->pollfd.fd = wl_display_get_fd (wl_display);
gst_poll_add_fd (priv->poll, &priv->pollfd);
gst_poll_fd_ctl_read (priv->poll, &priv->pollfd, TRUE);
}
while (g_atomic_int_get (&priv->num_frames_pending) > 0) {
while (wl_display_prepare_read_queue (wl_display, priv->event_queue) < 0) {
if (wl_display_dispatch_queue_pending (wl_display, priv->event_queue) < 0)
goto error;
}
if (wl_display_flush (wl_display) < 0)
goto error;
again:
if (gst_poll_wait (priv->poll, GST_CLOCK_TIME_NONE) < 0) {
int saved_errno = errno;
if (saved_errno == EAGAIN || saved_errno == EINTR)
goto again;
if (saved_errno == EBUSY) { /* closing */
wl_display_cancel_read (wl_display);
return FALSE;
}
goto error;
}
if (wl_display_read_events (wl_display) < 0)
goto error;
if (wl_display_dispatch_queue_pending (wl_display, priv->event_queue) < 0)
goto error;
}
return TRUE;
/* ERRORS */
error:
{
priv->sync_failed = TRUE;
GST_ERROR ("Error on dispatching events: %s", g_strerror (errno));
return FALSE;
}
}
static void
kick_display(struct wit_client *c)
{
assert(c);
wl_display_flush(c->display);
wl_display_dispatch_pending(c->display);
int stat = kill(getppid(), SIGUSR1);
assertf(stat == 0,
"Failed sending SIGUSR1 signal to display");
}
int
main(int argc, char **argv)
{
struct sigaction sigint;
struct display display = { 0 };
struct window window = { 0 };
window.display = &display;
window.geometry.width = 250;
window.geometry.height = 250;
display.display = wl_display_connect(NULL);
assert(display.display);
wl_display_add_global_listener(display.display,
display_handle_global, &display);
wl_display_get_fd(display.display, event_mask_update, &display);
wl_display_iterate(display.display, WL_DISPLAY_READABLE);
init_egl(&display);
create_surface(&window);
init_gl(&window);
sigint.sa_handler = signal_int;
sigemptyset(&sigint.sa_mask);
sigint.sa_flags = SA_RESETHAND;
sigaction(SIGINT, &sigint, NULL);
redraw(&window, NULL, 0);
while (running)
wl_display_iterate(display.display, display.mask);
fprintf(stderr, "simple-egl exiting\n");
destroy_surface(&window);
fini_egl(&display);
if (display.shell)
wl_shell_destroy(display.shell);
if (display.compositor)
wl_compositor_destroy(display.compositor);
wl_display_flush(display.display);
wl_display_disconnect(display.display);
return 0;
}
