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Simplify channel usage in canvas paint threads.

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This commit is contained in:
Ms2ger 2016-03-29 15:35:46 +02:00
parent c4e112a3be
commit d21cf30c2c
2 changed files with 7 additions and 15 deletions
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10
components/canvas/canvas_paint_thread.rs
View file

@ -14,12 +14,10 @@ use euclid::size::Size2D;
use gfx_traits::color;
use ipc_channel::ipc::IpcSharedMemory;
use ipc_channel::ipc::{self, IpcSender};
use ipc_channel::router::ROUTER;
use num::ToPrimitive;
use premultiplytable::PREMULTIPLY_TABLE;
use std::borrow::ToOwned;
use std::mem;
use std::sync::mpsc::channel;
use util::opts;
use util::thread::spawn_named;
use util::vec::byte_swap;
@ -127,13 +125,11 @@ impl<'a> CanvasPaintThread<'a> {
-> IpcSender<CanvasMsg> {
// TODO(pcwalton): Ask the pipeline to create this for us instead of spawning it directly.
// This will be needed for multiprocess Servo.
let (out_of_process_chan, out_of_process_port) = ipc::channel::<CanvasMsg>().unwrap();
let (in_process_chan, in_process_port) = channel();
ROUTER.route_ipc_receiver_to_mpsc_sender(out_of_process_port, in_process_chan);
let (sender, receiver) = ipc::channel::<CanvasMsg>().unwrap();
spawn_named("CanvasThread".to_owned(), move || {
let mut painter = CanvasPaintThread::new(size, webrender_api_sender);
loop {
let msg = in_process_port.recv();
let msg = receiver.recv();
match msg.unwrap() {
CanvasMsg::Canvas2d(message) => {
match message {
@ -209,7 +205,7 @@ impl<'a> CanvasPaintThread<'a> {
}
});
out_of_process_chan
sender
}
fn save_context_state(&mut self) {

12
components/canvas/webgl_paint_thread.rs
View file

@ -6,7 +6,6 @@ use canvas_traits::{CanvasCommonMsg, CanvasMsg, CanvasPixelData, CanvasData, Can
use euclid::size::Size2D;
use gleam::gl;
use ipc_channel::ipc::{self, IpcSender, IpcSharedMemory};
use ipc_channel::router::ROUTER;
use offscreen_gl_context::{ColorAttachmentType, GLContext, GLContextAttributes, NativeGLContext};
use std::borrow::ToOwned;
use std::sync::mpsc::channel;
@ -61,7 +60,7 @@ impl WebGLPaintThread {
attrs: GLContextAttributes,
webrender_api_sender: Option<webrender_traits::RenderApiSender>)
-> Result<IpcSender<CanvasMsg>, String> {
let (in_process_chan, in_process_port) = channel();
let (sender, receiver) = ipc::channel::<CanvasMsg>().unwrap();
let (result_chan, result_port) = channel();
spawn_named("WebGLThread".to_owned(), move || {
let mut painter = match WebGLPaintThread::new(size, attrs, webrender_api_sender) {
@ -76,7 +75,7 @@ impl WebGLPaintThread {
};
painter.init();
loop {
match in_process_port.recv().unwrap() {
match receiver.recv().unwrap() {
CanvasMsg::WebGL(message) => painter.handle_webgl_message(message),
CanvasMsg::Common(message) => {
match message {
@ -96,11 +95,8 @@ impl WebGLPaintThread {
}
});
result_port.recv().unwrap().map(|_| {
let (out_of_process_chan, out_of_process_port) = ipc::channel::<CanvasMsg>().unwrap();
ROUTER.route_ipc_receiver_to_mpsc_sender(out_of_process_port, in_process_chan);
out_of_process_chan
})
try!(result_port.recv().unwrap());
Ok(sender)
}
fn send_data(&mut self, chan: IpcSender<CanvasData>) {