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|
use std::time::Duration;
use smithay::backend::renderer::damage::OutputDamageTracker;
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::reexports::wayland_protocols::wp::presentation_time::server::wp_presentation_feedback;
use smithay::reexports::winit::dpi::LogicalSize;
use smithay::reexports::winit::window::WindowBuilder;
use smithay::utils::Transform;
use crate::backend::Backend;
use crate::input::{BackendAction, CompositorMod};
use crate::niri::OutputRenderElements;
use crate::utils::get_monotonic_time;
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,
output: &Output,
elements: &[OutputRenderElements<GlesRenderer>],
) {
let _span = tracy_client::span!("Winit::render");
self.backend.bind().unwrap();
let age = self.backend.buffer_age().unwrap();
let res = self
.damage_tracker
.render_output(self.backend.renderer(), age, elements, [0.1, 0.1, 0.1, 1.0])
.unwrap();
if let Some(damage) = res.damage {
self.backend.submit(Some(&damage)).unwrap();
let mut presentation_feedbacks = niri.take_presentation_feedbacks(output, &res.states);
let refresh = output.current_mode().unwrap().refresh as u32;
presentation_feedbacks.presented::<_, smithay::utils::Monotonic>(
get_monotonic_time(),
refresh,
0,
wp_presentation_feedback::Kind::empty(),
);
self.backend.window().request_redraw();
}
}
}
impl Winit {
pub fn new(event_loop: LoopHandle<LoopData>) -> Self {
let builder = WindowBuilder::new()
.with_inner_size(LogicalSize::new(1280.0, 800.0))
// .with_resizable(false)
.with_title("niri");
let (backend, winit_event_loop) = winit::init_from_builder(builder).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_micros(16667))
})
.unwrap();
Self {
output,
backend,
winit_event_loop,
damage_tracker,
}
}
pub fn init(&mut self, niri: &mut Niri) {
// For some reason, binding the display here causes damage tracker artifacts.
//
// use smithay::backend::renderer::ImportEgl;
//
// if let Err(err) = self
// .backend
// .renderer()
// .bind_wl_display(&niri.display_handle)
// {
// warn!("error binding renderer wl_display: {err}");
// }
niri.add_output(self.output.clone(), None);
}
fn dispatch(&mut self, niri: &mut Niri) {
let renderer = self.backend.renderer();
let res = self
.winit_event_loop
.dispatch_new_events(|event| match event {
WinitEvent::Resized { size, .. } => {
self.output.change_current_state(
Some(Mode {
size,
refresh: 60_000,
}),
None,
None,
None,
);
niri.output_resized(self.output.clone());
}
WinitEvent::Input(event) => {
match niri.process_input_event(CompositorMod::Alt, event) {
BackendAction::None => (),
BackendAction::ChangeVt(_) => (),
BackendAction::Screenshot => {
let active = niri.monitor_set.active_output().cloned();
if let Some(active) = active {
if let Err(err) = niri.screenshot(renderer, &active) {
warn!("error taking screenshot: {err:?}");
}
}
}
}
}
WinitEvent::Focus(_) => (),
WinitEvent::Refresh => niri.queue_redraw(self.output.clone()),
});
// I want this to stop compiling if more errors are added.
#[allow(clippy::single_match)]
match res {
Err(WinitError::WindowClosed) => {
niri.stop_signal.stop();
niri.remove_output(&self.output);
}
Ok(()) => (),
}
}
}
|
