servo/ports/glutin/embedder.rs
2019-05-22 09:55:41 +02:00

69 lines
2.6 KiB
Rust

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
//! Implements the global methods required by Servo (not window/gl/compositor related).
use crate::app;
use crate::events_loop::EventsLoop;
use gleam::gl;
use glutin;
use glutin::dpi::LogicalSize;
use rust_webvr::GlWindowVRService;
use servo::compositing::windowing::EmbedderMethods;
use servo::embedder_traits::EventLoopWaker;
use servo::servo_config::{opts, pref};
use servo::webvr::VRServiceManager;
use servo::webvr_traits::WebVRMainThreadHeartbeat;
use std::cell::RefCell;
use std::rc::Rc;
pub struct EmbedderCallbacks {
events_loop: Rc<RefCell<EventsLoop>>,
gl: Rc<dyn gl::Gl>,
}
impl EmbedderCallbacks {
pub fn new(events_loop: Rc<RefCell<EventsLoop>>, gl: Rc<gl::Gl>) -> EmbedderCallbacks {
EmbedderCallbacks { events_loop, gl }
}
}
impl EmbedderMethods for EmbedderCallbacks {
fn create_event_loop_waker(&self) -> Box<dyn EventLoopWaker> {
self.events_loop.borrow().create_event_loop_waker()
}
fn register_vr_services(
&self,
services: &mut VRServiceManager,
heartbeats: &mut Vec<Box<WebVRMainThreadHeartbeat>>,
) {
if !opts::get().headless {
if pref!(dom.webvr.test) {
warn!("Creating test VR display");
// This is safe, because register_vr_services is called from the main thread.
let name = String::from("Test VR Display");
let size = opts::get().initial_window_size.to_f64();
let size = LogicalSize::new(size.width, size.height);
let window_builder = glutin::WindowBuilder::new()
.with_title(name.clone())
.with_dimensions(size)
.with_visibility(false)
.with_multitouch();
let context = glutin::ContextBuilder::new()
.with_gl(app::gl_version())
.with_vsync(false) // Assume the browser vsync is the same as the test VR window vsync
.build_windowed(window_builder, &*self.events_loop.borrow().as_winit())
.expect("Failed to create window.");
let gl = self.gl.clone();
let (service, heartbeat) = GlWindowVRService::new(name, context, gl);
services.register(Box::new(service));
heartbeats.push(Box::new(heartbeat));
}
} else {
// FIXME: support headless mode
}
}
}