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Use winit also when targeting wasm

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This allows unifying the code paths more.
This commit is contained in:
Simon Hausmann 2020-05-11 10:55:45 +02:00
parent 9be4c88b13
commit 5b313af9aa
2 changed files with 26 additions and 24 deletions
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2
examples/graphicstest/Cargo.toml
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@ -12,11 +12,13 @@ sixtyfps_gl_backend = { package = "gl", path = "../../sixtyfps_runtime/rendering
kurbo = "0.5.11"
image = { version = "0.23.4", default-features = false, features = [ "png" ] }
cgmath = "0.17.0"
instant = "0.1"
[target.'cfg(target_arch = "wasm32")'.dependencies]
web_sys = { version = "0.3", package = "web-sys", features=["console"] }
wasm-bindgen = { version = "0.2" }
glow = { version = "0.4.0", default-features = false }
winit = { version = "0.22.1", features = ["web-sys"] }
[target.'cfg(not(target_arch = "wasm32"))'.dependencies]
glutin = { version = "0.24" }

46
examples/graphicstest/src/main.rs
View file

@ -1,14 +1,12 @@
use cgmath::{Matrix4, SquareMatrix, Vector3};
#[cfg(target_arch = "wasm32")]
use glow::HasRenderLoop;
#[cfg(not(target_arch = "wasm32"))]
use glutin;
use instant;
use kurbo::{BezPath, Rect};
use sixtyfps_corelib::graphics::{Color, FillStyle, GraphicsBackend, RenderTree};
use sixtyfps_gl_backend::{GLRenderer, OpaqueRenderingPrimitive};
#[cfg(target_arch = "wasm32")]
use wasm_bindgen::prelude::*;
#[cfg(not(target_arch = "wasm32"))]
use winit::{event, event_loop, window::WindowBuilder};
fn create_rect(
@ -32,10 +30,11 @@ pub fn wasm_main() {
}
fn main() {
#[cfg(not(target_arch = "wasm32"))]
let (event_loop, windowed_context, gl_context) = {
let event_loop = event_loop::EventLoop::new();
let wb = WindowBuilder::new();
#[cfg(not(target_arch = "wasm32"))]
let (windowed_context, gl_context) = {
let windowed_context =
glutin::ContextBuilder::new().with_vsync(true).build_windowed(wb, &event_loop).unwrap();
let windowed_context = unsafe { windowed_context.make_current().unwrap() };
@ -44,12 +43,11 @@ fn main() {
windowed_context.get_proc_address(s) as *const _
});
(event_loop, windowed_context, gl_context)
(windowed_context, gl_context)
};
#[cfg(target_arch = "wasm32")]
let (event_loop, windowed_context, gl_context) = {
use wasm_bindgen::JsCast;
let (window, gl_context) = {
let canvas = web_sys::window()
.unwrap()
.document()
@ -58,17 +56,21 @@ fn main() {
.unwrap()
.dyn_into::<web_sys::HtmlCanvasElement>()
.unwrap();
let webgl1_context = canvas
use winit::platform::web::WindowBuilderExtWebSys;
use winit::platform::web::WindowExtWebSys;
let window = wb.with_canvas(Some(canvas)).build(&event_loop).unwrap();
use wasm_bindgen::JsCast;
let webgl1_context = window
.canvas()
.get_context("webgl")
.unwrap()
.unwrap()
.dyn_into::<web_sys::WebGlRenderingContext>()
.unwrap();
(
glow::RenderLoop::from_request_animation_frame(),
(canvas.width(), canvas.height()),
glow::Context::from_webgl1_context(webgl1_context),
)
(window, glow::Context::from_webgl1_context(webgl1_context))
};
let mut renderer = GLRenderer::new(gl_context);
@ -124,10 +126,8 @@ fn main() {
render_tree.node_at_mut(root).append_child(image_node);
#[cfg(not(target_arch = "wasm32"))]
event_loop.run(move |event, _, control_flow| {
let next_frame_time =
std::time::Instant::now() + std::time::Duration::from_nanos(16_666_667);
let next_frame_time = instant::Instant::now() + std::time::Duration::from_nanos(16_666_667);
*control_flow = event_loop::ControlFlow::WaitUntil(next_frame_time);
match event {
@ -146,14 +146,14 @@ fn main() {
_ => return,
}
let size = windowed_context.window().inner_size();
#[cfg(not(target_arch = "wasm32"))]
let window = windowed_context.window();
let size = window.inner_size();
// TODO #4: ensure GO context is current -- see if this can be done within the runtime
render_tree.render(&mut renderer, size.width, size.height, root);
#[cfg(not(target_arch = "wasm32"))]
windowed_context.swap_buffers().unwrap();
});
#[cfg(target_arch = "wasm32")]
event_loop.run(move |_running: &mut bool| {
render_tree.render(&mut renderer, windowed_context.0, windowed_context.1, root);
});
}