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Fix servoshell can't respond when there's no minibrowser (#30598)
* Fix servoshell can't respond when there's no minibrowser * Remove external_field and update documentation * Update documentation * Fix crash when handling ReadyToPresent if it's headless mode * Fix some wpt tests got timedout
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d8e93fa408
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44d79269f4
3 changed files with 23 additions and 43 deletions
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@ -240,10 +240,6 @@ pub struct IOCompositor<Window: WindowMethods + ?Sized> {
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/// most up to date rendering.
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waiting_on_pending_frame: bool,
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/// Whether to send a ReadyToPresent message to the constellation after rendering a new frame,
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/// allowing external code to draw to the framebuffer and decide when to present the frame.
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external_present: bool,
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/// Waiting for external code to call present.
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waiting_on_present: bool,
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}
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@ -410,7 +406,6 @@ impl<Window: WindowMethods + ?Sized> IOCompositor<Window> {
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exit_after_load,
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convert_mouse_to_touch,
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waiting_on_pending_frame: false,
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external_present: false,
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waiting_on_present: false,
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}
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}
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@ -1858,17 +1853,14 @@ impl<Window: WindowMethods + ?Sized> IOCompositor<Window> {
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_ => None,
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};
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// Perform the page flip. This will likely block for a while.
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if self.external_present {
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self.waiting_on_present = true;
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let msg = ConstellationMsg::ReadyToPresent(
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self.root_content_pipeline.top_level_browsing_context_id,
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);
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if let Err(e) = self.constellation_chan.send(msg) {
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warn!("Sending event to constellation failed ({:?}).", e);
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}
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} else {
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self.present();
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// Nottify embedder that servo is ready to present.
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// Embedder should call `present` to tell compositor to continue rendering.
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self.waiting_on_present = true;
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let msg = ConstellationMsg::ReadyToPresent(
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self.root_content_pipeline.top_level_browsing_context_id,
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);
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if let Err(e) = self.constellation_chan.send(msg) {
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warn!("Sending event to constellation failed ({:?}).", e);
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}
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self.composition_request = CompositionRequest::NoCompositingNecessary;
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@ -1904,13 +1896,6 @@ impl<Window: WindowMethods + ?Sized> IOCompositor<Window> {
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let gl = &self.webrender_gl;
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self.assert_gl_framebuffer_complete();
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if !self.external_present {
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// Make framebuffer fully transparent.
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gl.clear_color(0.0, 0.0, 0.0, 0.0);
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gl.clear(gleam::gl::COLOR_BUFFER_BIT);
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self.assert_gl_framebuffer_complete();
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}
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// Set the viewport background based on prefs.
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let viewport = self.embedder_coordinates.get_flipped_viewport();
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gl.scissor(
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@ -2109,8 +2094,4 @@ impl<Window: WindowMethods + ?Sized> IOCompositor<Window> {
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None => eprintln!("Unable to locate path to save captures"),
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}
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}
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pub fn set_external_present(&mut self, value: bool) {
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self.external_present = value;
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}
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}
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@ -761,10 +761,6 @@ where
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self.compositor.deinit();
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}
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pub fn set_external_present(&mut self, value: bool) {
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self.compositor.set_external_present(value)
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}
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pub fn present(&mut self) {
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self.compositor.present();
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}
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@ -41,8 +41,15 @@ pub struct App {
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/// Action to be taken by the caller of [`App::handle_events`].
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enum PumpResult {
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/// The caller should shut down Servo and its related context.
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Shutdown,
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/// A new frame is ready to present. The caller can paint other things themselves during this
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/// period, but has to call [`Servo::present`] to perform page flip and tell Servo compositor
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/// to continue rendering.
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ReadyToPresent,
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/// The size has changed. The caller can paint other things themselves during this
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/// period, but has to call [`Servo::present`] to perform page flip and tell Servo compositor
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/// to continue rendering.
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Resize,
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}
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@ -117,10 +124,6 @@ impl App {
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// frame, set this to false, so we can avoid an unnecessary recomposite.
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let mut need_recomposite = true;
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// If we have a minibrowser, ask the compositor to notify us when a new frame
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// is ready to present, so that we can paint the minibrowser then present.
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let external_present = app.minibrowser.is_some();
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let t_start = Instant::now();
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let mut t = t_start;
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let ev_waker = events_loop.create_event_loop_waker();
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@ -175,7 +178,6 @@ impl App {
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let servo_data = Servo::new(embedder, window.clone(), user_agent.clone());
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let mut servo = servo_data.servo;
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servo.set_external_present(external_present);
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servo.handle_events(vec![EmbedderEvent::NewBrowser(
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initial_url.to_owned(),
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@ -209,9 +211,7 @@ impl App {
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minibrowser.update(window.winit_window().unwrap(), "RedrawRequested");
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minibrowser.paint(window.winit_window().unwrap());
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}
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if external_present {
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app.servo.as_mut().unwrap().present();
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}
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app.servo.as_mut().unwrap().present();
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// By default, the next RedrawRequested event will need to recomposite.
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need_recomposite = true;
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@ -296,7 +296,12 @@ impl App {
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trace!("PumpResult::ReadyToPresent");
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// Request a winit redraw event, so we can paint the minibrowser and present.
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window.winit_window().unwrap().request_redraw();
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// Otherwise, it's in headless mode and we present directly.
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if let Some(window) = window.winit_window() {
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window.request_redraw();
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} else {
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app.servo.as_mut().unwrap().present();
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}
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// We don’t need the compositor to paint to this frame during the redraw event.
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// TODO(servo#30331) broken on macOS?
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@ -314,9 +319,7 @@ impl App {
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minibrowser.update(window.winit_window().unwrap(), "PumpResult::Resize");
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minibrowser.paint(window.winit_window().unwrap());
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}
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if external_present {
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app.servo.as_mut().unwrap().present();
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}
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app.servo.as_mut().unwrap().present();
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},
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None => {},
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}
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