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compositor: Make PipelineDetails and pending paint metrics per-WebView (#35701)

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This is one of the first big steps toward making the compositor work
per-WebView. It moves the collection of pipelines into the per-WebView
data structure in the compositor as well as the pending paint metrics.

This means that more messages need to carry information about the
WebView they apply to. Note that there are still a few places that we
need to map from `PipelineId` to `WebViewId`, so this also includes a
shared mapping which tracks this. The mapping can be removed once event
handling is fully per-WebView.

Signed-off-by: Martin Robinson <mrobinson@igalia.com>
Co-authored-by: Delan Azabani <dazabani@igalia.com>
This commit is contained in:
Martin Robinson 2025-03-04 03:31:23 +01:00 • committed by GitHub
parent 0d0bcdeb4d
commit f3e6e4f04e
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13 changed files with 537 additions and 373 deletions
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4
components/shared/script/script_msg.rs
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@ -9,7 +9,7 @@ use base::Epoch;
use base::id::{
BroadcastChannelRouterId, BrowsingContextId, HistoryStateId, MessagePortId,
MessagePortRouterId, PipelineId, ServiceWorkerId, ServiceWorkerRegistrationId,
TopLevelBrowsingContextId,
TopLevelBrowsingContextId, WebViewId,
};
use canvas_traits::canvas::{CanvasId, CanvasMsg};
use devtools_traits::{ScriptToDevtoolsControlMsg, WorkerId};
@ -49,7 +49,7 @@ pub struct IFrameSizeMsg {
pub enum LayoutMsg {
/// Requests that the constellation inform the compositor that it needs to record
/// the time when the frame with the given ID (epoch) is painted.
PendingPaintMetric(PipelineId, Epoch),
PendingPaintMetric(WebViewId, PipelineId, Epoch),
}
impl fmt::Debug for LayoutMsg {