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Use non-IPC webrender API over explicit IPC channels.

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This commit is contained in:
Josh Matthews 2019-11-25 17:18:04 -05:00
parent a922c497fa
commit 564c16d754
77 changed files with 494 additions and 360 deletions
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87
components/canvas/canvas_paint_thread.rs
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@ -3,9 +3,12 @@
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use crate::canvas_data::*;
use crate::ConstellationCanvasMsg;
use canvas_traits::canvas::*;
use crossbeam_channel::{select, unbounded, Sender};
use euclid::default::Size2D;
use ipc_channel::ipc::{self, IpcSender};
use ipc_channel::router::ROUTER;
use std::borrow::ToOwned;
use std::collections::HashMap;
use std::thread;
@ -30,53 +33,69 @@ impl<'a> CanvasPaintThread<'a> {
/// Creates a new `CanvasPaintThread` and returns an `IpcSender` to
/// communicate with it.
pub fn start() -> IpcSender<CanvasMsg> {
let (sender, receiver) = ipc::channel::<CanvasMsg>().unwrap();
pub fn start() -> (Sender<ConstellationCanvasMsg>, IpcSender<CanvasMsg>) {
let (ipc_sender, ipc_receiver) = ipc::channel::<CanvasMsg>().unwrap();
let msg_receiver = ROUTER.route_ipc_receiver_to_new_crossbeam_receiver(ipc_receiver);
let (create_sender, create_receiver) = unbounded();
thread::Builder::new()
.name("CanvasThread".to_owned())
.spawn(move || {
let mut canvas_paint_thread = CanvasPaintThread::new();
loop {
match receiver.recv() {
Ok(msg) => match msg {
CanvasMsg::Canvas2d(message, canvas_id) => {
canvas_paint_thread.process_canvas_2d_message(message, canvas_id);
},
CanvasMsg::Close(canvas_id) => {
canvas_paint_thread.canvases.remove(&canvas_id);
},
CanvasMsg::Create(creator, size, webrenderer_api_sender, antialias) => {
let canvas_id = canvas_paint_thread.create_canvas(
select! {
recv(msg_receiver) -> msg => {
match msg {
Ok(CanvasMsg::Canvas2d(message, canvas_id)) => {
canvas_paint_thread.process_canvas_2d_message(message, canvas_id);
},
Ok(CanvasMsg::Close(canvas_id)) => {
canvas_paint_thread.canvases.remove(&canvas_id);
},
Ok(CanvasMsg::Recreate(size, canvas_id)) => {
canvas_paint_thread.canvas(canvas_id).recreate(size);
},
Ok(CanvasMsg::FromScript(message, canvas_id)) => match message {
FromScriptMsg::SendPixels(chan) => {
canvas_paint_thread.canvas(canvas_id).send_pixels(chan);
},
},
Ok(CanvasMsg::FromLayout(message, canvas_id)) => match message {
FromLayoutMsg::SendData(chan) => {
canvas_paint_thread.canvas(canvas_id).send_data(chan);
},
},
Err(e) => {
warn!("Error on CanvasPaintThread receive ({})", e);
},
}
}
recv(create_receiver) -> msg => {
match msg {
Ok(ConstellationCanvasMsg::Create {
id_sender: creator,
size,
webrenderer_api_sender,
antialias,
);
creator.send(canvas_id).unwrap();
},
CanvasMsg::Recreate(size, canvas_id) => {
canvas_paint_thread.canvas(canvas_id).recreate(size);
},
CanvasMsg::FromScript(message, canvas_id) => match message {
FromScriptMsg::SendPixels(chan) => {
canvas_paint_thread.canvas(canvas_id).send_pixels(chan);
webrender_sender: webrenderer_api_sender,
antialias
}) => {
let canvas_id = canvas_paint_thread.create_canvas(
size,
webrenderer_api_sender,
antialias,
);
creator.send(canvas_id).unwrap();
},
},
CanvasMsg::FromLayout(message, canvas_id) => match message {
FromLayoutMsg::SendData(chan) => {
canvas_paint_thread.canvas(canvas_id).send_data(chan);
Ok(ConstellationCanvasMsg::Exit) => break,
Err(e) => {
warn!("Error on CanvasPaintThread receive ({})", e);
},
},
CanvasMsg::Exit => break,
},
Err(e) => {
warn!("Error on CanvasPaintThread receive ({})", e);
},
}
}
}
}
})
.expect("Thread spawning failed");
sender
(create_sender, ipc_sender)
}
pub fn create_canvas(