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 log::debug;
7use paint_api::{CrossProcessPaintApi, PainterSurfmanDetailsMap, WebRenderExternalImageIdManager};
8use surfman::Device;
9use surfman::chains::SwapChains;
10#[cfg(feature = "webxr")]
11use webxr::SurfmanGL as WebXRSurfman;
12#[cfg(feature = "webxr")]
13use webxr_api::LayerGrandManager as WebXRLayerGrandManager;
14
15use crate::webgl_thread::{WebGLContextBusyMap, WebGLThread, WebGLThreadInit};
16
17pub struct WebGLComm {
18    pub webgl_threads: WebGLThreads,
19    pub swap_chains: SwapChains<WebGLContextId, Device>,
20    pub busy_webgl_context_map: WebGLContextBusyMap,
21    #[cfg(feature = "webxr")]
22    pub webxr_layer_grand_manager: WebXRLayerGrandManager<WebXRSurfman>,
23}
24
25impl WebGLComm {
26    /// Creates a new `WebGLComm` object.
27    pub fn new(
28        paint_api: CrossProcessPaintApi,
29        external_image_id_manager: WebRenderExternalImageIdManager,
30        painter_surfman_details_map: PainterSurfmanDetailsMap,
31    ) -> WebGLComm {
32        debug!("WebGLThreads::new()");
33        let (sender, receiver) = webgl_channel::<WebGLMsg>().unwrap();
34        let swap_chains = SwapChains::new();
35        let busy_webgl_context_map = WebGLContextBusyMap::default();
36
37        #[cfg(feature = "webxr")]
38        let webxr_init = crate::webxr::WebXRBridgeInit::new(sender.clone());
39        #[cfg(feature = "webxr")]
40        let webxr_layer_grand_manager = webxr_init.layer_grand_manager();
41
42        // This implementation creates a single `WebGLThread` for all the pipelines.
43        let init = WebGLThreadInit {
44            paint_api,
45            external_image_id_manager,
46            sender: sender.clone(),
47            receiver,
48            webrender_swap_chains: swap_chains.clone(),
49            painter_surfman_details_map,
50            busy_webgl_context_map: busy_webgl_context_map.clone(),
51            #[cfg(feature = "webxr")]
52            webxr_init,
53        };
54
55        WebGLThread::run_on_own_thread(init);
56
57        WebGLComm {
58            webgl_threads: WebGLThreads(sender),
59            swap_chains,
60            busy_webgl_context_map,
61            #[cfg(feature = "webxr")]
62            webxr_layer_grand_manager,
63        }
64    }
65}
webgl/webgl_mode/inprocess.rs

webgl/webgl_mode/
inprocess.rs
