Files
wayvr/src/overlays/mirror.rs
2024-04-24 10:19:26 +09:00

145 lines
4.5 KiB
Rust

use std::{
sync::Arc,
task::{Context, Poll},
};
use futures::{Future, FutureExt};
use glam::vec3a;
use wlx_capture::pipewire::{pipewire_select_screen, PipewireCapture, PipewireSelectScreenResult};
use crate::{
backend::{
common::{OverlaySelector, TaskType},
overlay::{
ui_transform, OverlayBackend, OverlayRenderer, OverlayState, SplitOverlayBackend,
},
},
state::{AppSession, AppState},
};
use super::screen::ScreenRenderer;
type PinnedSelectorFuture = core::pin::Pin<
Box<dyn Future<Output = Result<PipewireSelectScreenResult, wlx_capture::pipewire::AshpdError>>>,
>;
pub struct MirrorRenderer {
name: Arc<str>,
renderer: Option<ScreenRenderer>,
selector: Option<PinnedSelectorFuture>,
last_extent: [u32; 3],
}
impl MirrorRenderer {
pub fn new(name: Arc<str>) -> Self {
let selector = Box::pin(pipewire_select_screen(None, false, false, false));
Self {
name,
renderer: None,
selector: Some(selector),
last_extent: [0; 3],
}
}
}
impl OverlayRenderer for MirrorRenderer {
fn init(&mut self, _app: &mut AppState) -> anyhow::Result<()> {
Ok(())
}
fn render(&mut self, app: &mut AppState) -> anyhow::Result<()> {
if let Some(mut selector) = self.selector.take() {
let maybe_pw_result = match selector
.poll_unpin(&mut Context::from_waker(futures::task::noop_waker_ref()))
{
Poll::Ready(result) => result,
Poll::Pending => {
self.selector = Some(selector);
return Ok(());
}
};
if let Ok(pw_result) = maybe_pw_result {
log::info!(
"{}: PipeWire node selected: {}",
self.name.clone(),
pw_result.node_id
);
let capture = PipewireCapture::new(self.name.clone(), pw_result.node_id, 60);
self.renderer = Some(ScreenRenderer::new_raw(
self.name.clone(),
Box::new(capture),
));
app.tasks.enqueue(TaskType::Overlay(
OverlaySelector::Name(self.name.clone()),
Box::new(|app, o| {
o.grabbable = true;
o.interactable = true;
o.reset(app, false);
}),
));
} else {
log::warn!("Failed to create pipewire mirror");
self.renderer = None;
// drop self
app.tasks
.enqueue(TaskType::DropOverlay(OverlaySelector::Name(
self.name.clone(),
)));
}
}
if let Some(renderer) = self.renderer.as_mut() {
renderer.render(app)?;
if let Some(view) = renderer.view() {
let extent = view.image().extent();
if self.last_extent != extent {
self.last_extent = extent;
// resized
app.tasks.enqueue(TaskType::Overlay(
OverlaySelector::Name(self.name.clone()),
Box::new(move |_app, o| {
o.interaction_transform = ui_transform(&[extent[0], extent[1]]);
}),
));
}
}
}
Ok(())
}
fn pause(&mut self, app: &mut AppState) -> anyhow::Result<()> {
if let Some(renderer) = self.renderer.as_mut() {
renderer.pause(app)?;
}
Ok(())
}
fn resume(&mut self, app: &mut AppState) -> anyhow::Result<()> {
if let Some(renderer) = self.renderer.as_mut() {
renderer.resume(app)?;
}
Ok(())
}
fn view(&mut self) -> Option<std::sync::Arc<vulkano::image::view::ImageView>> {
self.renderer.as_mut().and_then(|r| r.view())
}
}
pub fn new_mirror(
name: Arc<str>,
show_hide: bool,
session: &AppSession,
) -> Option<(OverlayState, Box<dyn OverlayBackend>)> {
let state = OverlayState {
name: name.clone(),
show_hide,
want_visible: true,
spawn_scale: 0.5 * session.config.desktop_view_scale,
spawn_point: vec3a(0., 0.5, 0.5),
..Default::default()
};
let backend = Box::new(SplitOverlayBackend {
renderer: Box::new(MirrorRenderer::new(name)),
..Default::default()
});
Some((state, backend))
}