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libservo: Don't bounce ready-to-present frame notifications to the Constellation (#35369)

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Instead of telling the Constellation to tell the embedder that new
frames are ready, have the compositor tell the embedder directly. This
should reduce frame latency. Now, after processing compositor
updates, run any pending `WebView::new_frame_ready` delegate methods.

This change also removes the `refresh` call from the Java interface as
that was the only other place that the compositor was rendering the
WebRender scene outside of event looping spinning. This `refresh` call
was completely unused.

Signed-off-by: Martin Robinson <mrobinson@igalia.com>
This commit is contained in:
Martin Robinson 2025-02-12 09:25:58 +01:00 • committed by GitHub
parent 8c46749740
commit 71bfd2d13f
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11 changed files with 26 additions and 63 deletions
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3
components/shared/embedder/lib.rs
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@ -250,8 +250,6 @@ pub enum EmbedderMsg {
OnDevtoolsStarted(Result<u16, ()>, String),
/// Ask the user to allow a devtools client to connect.
RequestDevtoolsConnection(IpcSender<AllowOrDeny>),
/// Notify the embedder that it needs to present a new frame.
ReadyToPresent(Vec<WebViewId>),
/// The given event was delivered to a pipeline in the given browser.
EventDelivered(WebViewId, CompositorEventVariant),
/// Request to play a haptic effect on a connected gamepad.
@ -314,7 +312,6 @@ impl Debug for EmbedderMsg {
EmbedderMsg::OnDevtoolsStarted(..) => write!(f, "OnDevtoolsStarted"),
EmbedderMsg::RequestDevtoolsConnection(..) => write!(f, "RequestDevtoolsConnection"),
EmbedderMsg::ShowContextMenu(..) => write!(f, "ShowContextMenu"),
EmbedderMsg::ReadyToPresent(..) => write!(f, "ReadyToPresent"),
EmbedderMsg::EventDelivered(..) => write!(f, "HitTestedEvent"),
EmbedderMsg::PlayGamepadHapticEffect(..) => write!(f, "PlayGamepadHapticEffect"),
EmbedderMsg::StopGamepadHapticEffect(..) => write!(f, "StopGamepadHapticEffect"),