webgl/webgl_mode/
inprocess.rs

1/* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
4
5use canvas_traits::webgl::{WebGLContextId, WebGLMsg, WebGLThreads, webgl_channel};
6use compositing_traits::{
7    CrossProcessCompositorApi, PainterSurfmanDetailsMap, WebRenderExternalImageIdManager,
8};
9use log::debug;
10use surfman::Device;
11use surfman::chains::SwapChains;
12#[cfg(feature = "webxr")]
13use webxr::SurfmanGL as WebXRSurfman;
14#[cfg(feature = "webxr")]
15use webxr_api::LayerGrandManager as WebXRLayerGrandManager;
16
17use crate::webgl_thread::{WebGLContextBusyMap, WebGLThread, WebGLThreadInit};
18
19pub struct WebGLComm {
20    pub webgl_threads: WebGLThreads,
21    pub swap_chains: SwapChains<WebGLContextId, Device>,
22    pub busy_webgl_context_map: WebGLContextBusyMap,
23    #[cfg(feature = "webxr")]
24    pub webxr_layer_grand_manager: WebXRLayerGrandManager<WebXRSurfman>,
25}
26
27impl WebGLComm {
28    /// Creates a new `WebGLComm` object.
29    pub fn new(
30        compositor_api: CrossProcessCompositorApi,
31        external_image_id_manager: WebRenderExternalImageIdManager,
32        painter_surfman_details_map: PainterSurfmanDetailsMap,
33    ) -> WebGLComm {
34        debug!("WebGLThreads::new()");
35        let (sender, receiver) = webgl_channel::<WebGLMsg>().unwrap();
36        let swap_chains = SwapChains::new();
37        let busy_webgl_context_map = WebGLContextBusyMap::default();
38
39        #[cfg(feature = "webxr")]
40        let webxr_init = crate::webxr::WebXRBridgeInit::new(sender.clone());
41        #[cfg(feature = "webxr")]
42        let webxr_layer_grand_manager = webxr_init.layer_grand_manager();
43
44        // This implementation creates a single `WebGLThread` for all the pipelines.
45        let init = WebGLThreadInit {
46            compositor_api,
47            external_image_id_manager,
48            sender: sender.clone(),
49            receiver,
50            webrender_swap_chains: swap_chains.clone(),
51            painter_surfman_details_map,
52            busy_webgl_context_map: busy_webgl_context_map.clone(),
53            #[cfg(feature = "webxr")]
54            webxr_init,
55        };
56
57        WebGLThread::run_on_own_thread(init);
58
59        WebGLComm {
60            webgl_threads: WebGLThreads(sender),
61            swap_chains,
62            busy_webgl_context_map,
63            #[cfg(feature = "webxr")]
64            webxr_layer_grand_manager,
65        }
66    }
67}
webgl/webgl_mode/inprocess.rs

webgl/webgl_mode/
inprocess.rs
