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|
use std::time::Duration;
use smithay::backend::renderer::damage::OutputDamageTracker;
use smithay::backend::renderer::element::surface::WaylandSurfaceRenderElement;
use smithay::backend::renderer::gles::GlesRenderer;
use smithay::backend::winit::{self, WinitError, WinitEvent, WinitEventLoop, WinitGraphicsBackend};
use smithay::output::{Mode, Output, PhysicalProperties, Subpixel};
use smithay::reexports::calloop::timer::{TimeoutAction, Timer};
use smithay::reexports::calloop::LoopHandle;
use smithay::utils::{Rectangle, Transform};
use crate::backend::Backend;
use crate::niri::OutputRenderElements;
use crate::{LoopData, Niri};
pub struct Winit {
output: Output,
backend: WinitGraphicsBackend<GlesRenderer>,
winit_event_loop: WinitEventLoop,
damage_tracker: OutputDamageTracker,
}
impl Backend for Winit {
fn seat_name(&self) -> String {
"winit".to_owned()
}
fn renderer(&mut self) -> &mut GlesRenderer {
self.backend.renderer()
}
fn render(
&mut self,
_niri: &mut Niri,
elements: &[OutputRenderElements<
GlesRenderer,
WaylandSurfaceRenderElement<GlesRenderer>,
>],
) {
let size = self.backend.window_size().physical_size;
let damage = Rectangle::from_loc_and_size((0, 0), size);
self.backend.bind().unwrap();
self.damage_tracker
.render_output(self.backend.renderer(), 0, elements, [0.1, 0.1, 0.1, 1.0])
.unwrap();
self.backend.submit(Some(&[damage])).unwrap();
}
}
impl Winit {
pub fn new(event_loop: LoopHandle<LoopData>) -> Self {
let (backend, winit_event_loop) = winit::init().unwrap();
let mode = Mode {
size: backend.window_size().physical_size,
refresh: 60_000,
};
let output = Output::new(
"winit".to_string(),
PhysicalProperties {
size: (0, 0).into(),
subpixel: Subpixel::Unknown,
make: "Smithay".into(),
model: "Winit".into(),
},
);
output.change_current_state(
Some(mode),
Some(Transform::Flipped180),
None,
Some((0, 0).into()),
);
output.set_preferred(mode);
let damage_tracker = OutputDamageTracker::from_output(&output);
let timer = Timer::immediate();
event_loop
.insert_source(timer, move |_, _, data| {
let winit = data.winit.as_mut().unwrap();
winit.dispatch(&mut data.niri);
TimeoutAction::ToDuration(Duration::from_millis(16))
})
.unwrap();
Self {
output,
backend,
winit_event_loop,
damage_tracker,
}
}
pub fn init(&mut self, niri: &mut Niri) {
let _global = self.output.create_global::<Niri>(&niri.display_handle);
niri.space.map_output(&self.output, (0, 0));
niri.output = Some(self.output.clone());
}
fn dispatch(&mut self, niri: &mut Niri) {
let res = self
.winit_event_loop
.dispatch_new_events(|event| match event {
WinitEvent::Resized { size, .. } => {
niri.output.as_ref().unwrap().change_current_state(
Some(Mode {
size,
refresh: 60_000,
}),
None,
None,
None,
);
}
WinitEvent::Input(event) => niri.process_input_event(&mut |_| (), event),
WinitEvent::Focus(_) => (),
WinitEvent::Refresh => niri.queue_redraw(),
});
// I want this to stop compiling if more errors are added.
#[allow(clippy::single_match)]
match res {
Err(WinitError::WindowClosed) => {
niri.stop_signal.stop();
}
Ok(()) => (),
}
}
}
|
