Files
wayvr/src/backend/openvr/mod.rs
2024-02-21 19:52:42 +01:00

274 lines
8.6 KiB
Rust

use std::{
collections::VecDeque,
sync::{
atomic::{AtomicBool, Ordering},
Arc,
},
time::{Duration, Instant},
};
use anyhow::{anyhow, Result};
use ovr_overlay::{
sys::{ETrackedDeviceProperty, EVRApplicationType, EVREventType},
TrackedDeviceIndex,
};
use vulkano::{
device::{physical::PhysicalDevice, DeviceExtensions},
instance::InstanceExtensions,
Handle, VulkanObject,
};
use crate::{
backend::{
input::interact,
notifications::NotificationManager,
openvr::{
input::{set_action_manifest, OpenVrInputSource},
lines::LinePool,
manifest::{install_manifest, uninstall_manifest},
overlay::OpenVrOverlayData,
},
overlay::OverlayData,
},
graphics::WlxGraphics,
overlays::watch::{watch_fade, WATCH_NAME},
state::AppState,
};
use super::common::{BackendError, OverlayContainer, TaskType};
pub mod helpers;
pub mod input;
pub mod lines;
pub mod manifest;
pub mod overlay;
pub mod playspace;
pub fn openvr_uninstall() {
let app_type = EVRApplicationType::VRApplication_Overlay;
let Ok(context) = ovr_overlay::Context::init(app_type) else {
log::error!("Uninstall failed: could not reach OpenVR");
return;
};
let mut app_mgr = context.applications_mngr();
let _ = uninstall_manifest(&mut app_mgr);
}
pub fn openvr_run(running: Arc<AtomicBool>) -> Result<(), BackendError> {
let app_type = EVRApplicationType::VRApplication_Overlay;
let Ok(context) = ovr_overlay::Context::init(app_type) else {
log::warn!("Will not use OpenVR: Context init failed");
return Err(BackendError::NotSupported);
};
log::info!("Using OpenVR runtime");
let mut overlay_mngr = context.overlay_mngr();
//let mut settings_mngr = context.settings_mngr();
let mut app_mgr = context.applications_mngr();
let mut input_mngr = context.input_mngr();
let mut system_mngr = context.system_mngr();
let mut chaperone_mgr = context.chaperone_setup_mngr();
let mut compositor_mngr = context.compositor_mngr();
let device_extensions_fn = |device: &PhysicalDevice| {
let names = compositor_mngr.get_vulkan_device_extensions_required(device.handle().as_raw());
let ext = DeviceExtensions::from_iter(names.iter().map(|s| s.as_str()));
ext
};
let mut compositor_mngr = context.compositor_mngr();
let instance_extensions = {
let names = compositor_mngr.get_vulkan_instance_extensions_required();
InstanceExtensions::from_iter(names.iter().map(|s| s.as_str()))
};
let mut state = {
let graphics = WlxGraphics::new_openvr(instance_extensions, device_extensions_fn)?;
AppState::from_graphics(graphics)?
};
let _ = install_manifest(&mut app_mgr);
let mut overlays = OverlayContainer::<OpenVrOverlayData>::new(&mut state)?;
let mut notifications = NotificationManager::new();
notifications.run_dbus();
notifications.run_udp();
let mut space_mover = playspace::PlayspaceMover::new();
#[cfg(feature = "osc")]
let mut osc_sender =
crate::backend::osc::OscSender::new(state.session.config.osc_out_port).ok();
state.hid_provider.set_desktop_extent(overlays.extent);
set_action_manifest(&mut input_mngr)?;
let mut input_source = OpenVrInputSource::new(&mut input_mngr)?;
let Ok(refresh_rate) = system_mngr.get_tracked_device_property::<f32>(
TrackedDeviceIndex::HMD,
ETrackedDeviceProperty::Prop_DisplayFrequency_Float,
) else {
return Err(BackendError::Fatal(anyhow!(
"Failed to get HMD refresh rate"
)));
};
log::info!("HMD running @ {} Hz", refresh_rate);
let watch_id = overlays.get_by_name(WATCH_NAME).unwrap().state.id; // want panic
let frame_time = (1000.0 / refresh_rate).floor() * 0.001;
let mut next_device_update = Instant::now();
let mut due_tasks = VecDeque::with_capacity(4);
let mut lines = LinePool::new(state.graphics.clone())?;
let pointer_lines = [lines.allocate(), lines.allocate()];
'main_loop: loop {
if !running.load(Ordering::Relaxed) {
log::warn!("Received shutdown signal.");
break 'main_loop;
}
while let Some(event) = system_mngr.poll_next_event() {
match event.event_type {
EVREventType::VREvent_Quit => {
log::warn!("Received quit event, shutting down.");
break 'main_loop;
}
EVREventType::VREvent_TrackedDeviceActivated
| EVREventType::VREvent_TrackedDeviceDeactivated
| EVREventType::VREvent_TrackedDeviceUpdated => {
next_device_update = Instant::now();
}
_ => {}
}
}
if next_device_update <= Instant::now() {
input_source.update_devices(&mut system_mngr, &mut state);
next_device_update = Instant::now() + Duration::from_secs(30);
}
notifications.submit_pending(&mut state);
state.tasks.retrieve_due(&mut due_tasks);
while let Some(task) = due_tasks.pop_front() {
match task {
TaskType::Global(f) => f(&mut state),
TaskType::Overlay(sel, f) => {
if let Some(o) = overlays.mut_by_selector(&sel) {
f(&mut state, &mut o.state);
}
}
TaskType::CreateOverlay(sel, f) => {
let None = overlays.mut_by_selector(&sel) else {
continue;
};
let Some((state, backend)) = f(&mut state) else {
continue;
};
log::info!("Creating overlay: {}", state.name);
overlays.add(OverlayData {
state,
backend,
..Default::default()
});
}
TaskType::DropOverlay(sel) => {
if let Some(o) = overlays.mut_by_selector(&sel) {
log::info!("Dropping overlay: {}", o.state.name);
o.destroy(&mut overlay_mngr);
overlays.drop_by_selector(&sel);
}
}
}
}
state.input_state.pre_update();
input_source.update(&mut input_mngr, &mut system_mngr, &mut state);
state.input_state.post_update();
if state
.input_state
.pointers
.iter()
.any(|p| p.now.show_hide && !p.before.show_hide)
{
overlays.show_hide(&mut state);
}
overlays
.iter_mut()
.for_each(|o| o.state.auto_movement(&mut state));
watch_fade(&mut state, overlays.mut_by_id(watch_id).unwrap()); // want panic
space_mover.update(&mut chaperone_mgr, &mut overlays, &state);
let lengths_haptics = interact(&mut overlays, &mut state);
for (idx, (len, haptics)) in lengths_haptics.iter().enumerate() {
lines.draw_from(
pointer_lines[idx],
state.input_state.pointers[idx].pose,
*len,
state.input_state.pointers[idx].interaction.mode as usize + 1,
&state.input_state.hmd,
);
if let Some(haptics) = haptics {
input_source.haptics(&mut input_mngr, idx, haptics)
}
}
lines.update(&mut overlay_mngr, &mut state)?;
for o in overlays.iter_mut() {
o.after_input(&mut overlay_mngr, &mut state)?;
}
#[cfg(feature = "osc")]
if let Some(ref mut sender) = osc_sender {
let _ = sender.send_params(&overlays);
};
log::trace!("Rendering frame");
for o in overlays.iter_mut() {
if o.state.want_visible {
o.render(&mut state)?;
}
}
log::trace!("Rendering overlays");
overlays
.iter_mut()
.for_each(|o| o.after_render(&mut overlay_mngr, &state.graphics));
// chaperone
// close font handles?
state.hid_provider.on_new_frame();
let mut seconds_since_vsync = 0f32;
std::thread::sleep(Duration::from_secs_f32(
if system_mngr.get_time_since_last_vsync(&mut seconds_since_vsync, &mut 0u64) {
(frame_time - seconds_since_vsync).max(0.0)
} else {
frame_time
},
));
}
log::warn!("OpenVR shutdown");
// context.shutdown() called by Drop
Ok(())
}