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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
51
components/canvas_traits/webgl_channel/mpsc.rs
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51
components/canvas_traits/webgl_channel/mpsc.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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use serde::{Deserialize, Serialize};
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use serde::{Deserializer, Serializer};
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use std::sync::mpsc;
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#[macro_use]
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macro_rules! unreachable_serializable {
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($name:ident) => {
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impl<T> Serialize for $name<T> {
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fn serialize<S: Serializer>(&self, _: S) -> Result<S::Ok, S::Error> {
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unreachable!();
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}
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}
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impl<'a, T> Deserialize<'a> for $name<T> {
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fn deserialize<D>(_: D) -> Result<$name<T>, D::Error>
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where D: Deserializer<'a> {
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unreachable!();
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}
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}
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};
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}
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#[derive(Clone)]
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pub struct WebGLSender<T>(mpsc::Sender<T>);
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pub struct WebGLReceiver<T>(mpsc::Receiver<T>);
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impl<T> WebGLSender<T> {
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#[inline]
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pub fn send(&self, data: T) -> Result<(), mpsc::SendError<T>> {
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self.0.send(data)
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}
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}
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impl<T> WebGLReceiver<T> {
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#[inline]
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pub fn recv(&self) -> Result<T, mpsc::RecvError> {
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self.0.recv()
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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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let (sender, receiver) = mpsc::channel();
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Ok((WebGLSender(sender), WebGLReceiver(receiver)))
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}
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unreachable_serializable!(WebGLReceiver);
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unreachable_serializable!(WebGLSender);
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