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Improve WebGL architecture.
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parent
e9cbbc58cc
commit
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54 changed files with 3154 additions and 1426 deletions
87
components/canvas_traits/webgl_channel/mod.rs
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87
components/canvas_traits/webgl_channel/mod.rs
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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//! Enum wrappers to be able to select different channel implementations at runtime.
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mod ipc;
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mod mpsc;
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use ::webgl::WebGLMsg;
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use serde::{Deserialize, Serialize};
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use servo_config::opts;
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lazy_static! {
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static ref IS_MULTIPROCESS: bool = {
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opts::multiprocess()
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};
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}
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#[derive(Clone, Deserialize, Serialize)]
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pub enum WebGLSender<T: Serialize> {
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Ipc(ipc::WebGLSender<T>),
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Mpsc(mpsc::WebGLSender<T>),
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}
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impl<T: Serialize> WebGLSender<T> {
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#[inline]
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pub fn send(&self, msg: T) -> WebGLSendResult {
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match *self {
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WebGLSender::Ipc(ref sender) => {
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sender.send(msg).map_err(|_| ())
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},
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WebGLSender::Mpsc(ref sender) => {
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sender.send(msg).map_err(|_| ())
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}
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}
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}
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}
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pub type WebGLSendResult = Result<(), ()>;
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pub enum WebGLReceiver<T> where T: for<'de> Deserialize<'de> + Serialize {
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Ipc(ipc::WebGLReceiver<T>),
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Mpsc(mpsc::WebGLReceiver<T>),
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}
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impl<T> WebGLReceiver<T> where T: for<'de> Deserialize<'de> + Serialize {
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pub fn recv(&self) -> Result<T, ()> {
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match *self {
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WebGLReceiver::Ipc(ref receiver) => {
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receiver.recv().map_err(|_| ())
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},
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WebGLReceiver::Mpsc(ref receiver) => {
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receiver.recv().map_err(|_| ())
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}
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}
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}
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}
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pub fn webgl_channel<T>() -> Result<(WebGLSender<T>, WebGLReceiver<T>), ()>
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where T: for<'de> Deserialize<'de> + Serialize {
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if *IS_MULTIPROCESS {
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ipc::webgl_channel().map(|(tx, rx)| (WebGLSender::Ipc(tx), WebGLReceiver::Ipc(rx)))
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.map_err(|_| ())
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} else {
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mpsc::webgl_channel().map(|(tx, rx)| (WebGLSender::Mpsc(tx), WebGLReceiver::Mpsc(rx)))
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}
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}
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#[derive(Clone, Deserialize, Serialize)]
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pub struct WebGLChan(pub WebGLSender<WebGLMsg>);
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impl WebGLChan {
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#[inline]
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pub fn send(&self, msg: WebGLMsg) -> WebGLSendResult {
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self.0.send(msg)
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}
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}
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#[derive(Clone, Deserialize, Serialize)]
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pub struct WebGLPipeline(pub WebGLChan);
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impl WebGLPipeline {
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pub fn channel(&self) -> WebGLChan {
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self.0.clone()
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}
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}
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