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Instead of exposing many different kinds of messages to the compositor that are routed through the constellation, expose a single message type which can be sent across IPC channels. In addition, this IPC channel and the route to the crossbeam channel with the compositor is created along with the `CompositorProxy`, simplifying what needs to be passed around during pipeline initialization. Previously, some image updates (from video) were sent over IPC with a special serialization routine and some were sent via crossbeam channels (canvas). Now all updates go over the IPC channel `IpcSharedMemory` is used to avoid serialization penalties. This should improve performance and reduce copies for video, but add a memory copy overhead for canvas. This will improve in the future when canvas renders directly into a texture. All-in-all this is a simplification which opens the path toward having a standard compositor API and reduces the number of duplicate messages and proxying that had to happen in libservo. Signed-off-by: Martin Robinson <mrobinson@igalia.com>
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@ -24,7 +24,6 @@ use serde::{Deserialize, Serialize};
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use servo_url::{ImmutableOrigin, ServoUrl};
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use style_traits::CSSPixel;
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use webgpu::{wgc, WebGPU, WebGPUResponse};
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use webrender_api::units::{DeviceIntPoint, DeviceIntSize};
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use crate::{
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AnimationState, AuxiliaryBrowsingContextLoadInfo, BroadcastMsg, DocumentState,
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@ -245,12 +244,6 @@ pub enum ScriptMsg {
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ForwardDOMMessage(DOMMessage, ServoUrl),
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/// <https://w3c.github.io/ServiceWorker/#schedule-job-algorithm>
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ScheduleJob(Job),
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/// Get Window Informations size and position
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GetClientWindow(IpcSender<(DeviceIntSize, DeviceIntPoint)>),
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/// Get the screen size (pixel)
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GetScreenSize(IpcSender<DeviceIntSize>),
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/// Get the available screen size (pixel)
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GetScreenAvailSize(IpcSender<DeviceIntSize>),
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/// Notifies the constellation about media session events
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/// (i.e. when there is metadata for the active media session, playback state changes...).
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MediaSessionEvent(PipelineId, MediaSessionEvent),
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@ -318,9 +311,6 @@ impl fmt::Debug for ScriptMsg {
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PipelineExited => "PipelineExited",
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ForwardDOMMessage(..) => "ForwardDOMMessage",
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ScheduleJob(..) => "ScheduleJob",
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GetClientWindow(..) => "GetClientWindow",
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GetScreenSize(..) => "GetScreenSize",
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GetScreenAvailSize(..) => "GetScreenAvailSize",
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MediaSessionEvent(..) => "MediaSessionEvent",
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RequestAdapter(..) => "RequestAdapter",
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GetWebGPUChan(..) => "GetWebGPUChan",
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