Avii/bevy_oxr
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change xr status

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This commit is contained in:
awtterpip
2024-03-15 23:28:05 -05:00
parent 9a556289de
commit 747aff2fd4
5 changed files with 118 additions and 160 deletions
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116
crates/bevy_openxr/src/init.rs
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@@ -1,7 +1,7 @@
use bevy::app::{App, First, Plugin, PostUpdate};
use bevy::app::{App, First, Plugin, PostUpdate, PreUpdate};
use bevy::ecs::change_detection::DetectChangesMut;
use bevy::ecs::component::Component;
use bevy::ecs::entity::Entity;
use bevy::ecs::event::EventWriter;
use bevy::ecs::query::{With, Without};
use bevy::ecs::schedule::common_conditions::{not, on_event};
use bevy::ecs::schedule::IntoSystemConfigs;
@@ -21,7 +21,8 @@ use bevy::render::{ExtractSchedule, MainWorld, RenderApp, RenderPlugin};
use bevy::transform::components::GlobalTransform;
use bevy::transform::{TransformBundle, TransformSystem};
use bevy_xr::session::{
BeginXrSession, CreateXrSession, XrInstanceCreated, XrInstanceDestroyed, XrSessionState,
handle_session, session_available, session_running, status_equals, BeginXrSession,
CreateXrSession, XrStatus,
};
use crate::error::XrError;
@@ -47,28 +48,12 @@ pub struct XrInitPlugin {
pub synchronous_pipeline_compilation: bool,
}
pub fn instance_created(status: Option<Res<XrStatus>>) -> bool {
status.is_some_and(|status| status.instance_created)
}
pub fn session_created(status: Option<Res<XrStatus>>) -> bool {
status.is_some_and(|status| status.session_created)
}
pub fn session_ready(status: Option<Res<XrStatus>>) -> bool {
status.is_some_and(|status| status.session_ready)
}
pub fn session_running(status: Option<Res<XrStatus>>) -> bool {
status.is_some_and(|status| status.session_running)
}
impl Plugin for XrInitPlugin {
fn build(&self, app: &mut App) {
if let Err(e) = init_xr(&self, app) {
error!("Failed to initialize openxr instance: {e}.");
app.add_plugins(RenderPlugin::default())
.insert_resource(XrStatus::UNINITIALIZED);
.insert_resource(XrStatus::Unavailable);
}
}
}
@@ -113,7 +98,12 @@ fn init_xr(config: &XrInitPlugin, app: &mut App) -> Result<()> {
let exts = config.exts.clone() & available_exts;
let instance = entry.create_instance(config.app_info.clone(), exts, backend)?;
let instance = entry.create_instance(
config.app_info.clone(),
exts,
&["XR_APILAYER_LUNARG_api_dump"],
backend,
)?;
let instance_props = instance.properties()?;
info!(
@@ -136,7 +126,6 @@ fn init_xr(config: &XrInitPlugin, app: &mut App) -> Result<()> {
let (WgpuGraphics(device, queue, adapter_info, adapter, wgpu_instance), create_info) =
instance.init_graphics(system_id)?;
app.world.send_event(XrInstanceCreated);
app.add_plugins((
RenderPlugin {
render_creation: RenderCreation::manual(
@@ -154,10 +143,7 @@ fn init_xr(config: &XrInitPlugin, app: &mut App) -> Result<()> {
))
.insert_resource(instance.clone())
.insert_resource(SystemId(system_id))
.insert_resource(XrStatus {
instance_created: true,
..Default::default()
})
.insert_resource(XrStatus::Available)
.insert_non_send_resource(XrSessionInitConfig {
blend_modes: config.blend_modes.clone(),
formats: config.formats.clone(),
@@ -166,13 +152,16 @@ fn init_xr(config: &XrInitPlugin, app: &mut App) -> Result<()> {
})
.add_systems(
First,
poll_events.run_if(session_available).before(handle_session),
)
.add_systems(
PreUpdate,
(
poll_events.run_if(instance_created),
create_xr_session
.run_if(not(session_created))
.run_if(on_event::<CreateXrSession>()),
.run_if(on_event::<CreateXrSession>())
.run_if(status_equals(XrStatus::Available)),
begin_xr_session
.run_if(session_ready)
.run_if(status_equals(XrStatus::Ready))
.run_if(on_event::<BeginXrSession>()),
adopt_open_xr_trackers,
)
@@ -401,7 +390,6 @@ fn create_xr_session_inner(
format,
};
world.resource_mut::<XrStatus>().session_created = true;
world.insert_resource(session.clone());
world.insert_resource(frame_waiter);
world.insert_resource(images.clone());
@@ -420,16 +408,11 @@ fn create_xr_session_inner(
Ok(())
}
pub fn begin_xr_session(
session: Res<XrSession>,
mut session_state: EventWriter<XrSessionState>,
mut status: ResMut<XrStatus>,
) {
pub fn begin_xr_session(session: Res<XrSession>, mut status: ResMut<XrStatus>) {
session
.begin(openxr::ViewConfigurationType::PRIMARY_STEREO)
.expect("Failed to begin session");
status.session_running = true;
session_state.send(XrSessionState::Running);
*status = XrStatus::Running;
}
/// This is used solely to transport resources from the main world to the render world.
@@ -466,13 +449,7 @@ pub fn transfer_xr_resources(mut commands: Commands, mut world: ResMut<MainWorld
}
/// Poll any OpenXR events and handle them accordingly
pub fn poll_events(
instance: Res<XrInstance>,
session: Option<Res<XrSession>>,
mut session_state: EventWriter<XrSessionState>,
mut instance_destroyed: EventWriter<XrInstanceDestroyed>,
mut status: ResMut<XrStatus>,
) {
pub fn poll_events(instance: Res<XrInstance>, mut status: ResMut<XrStatus>) {
let mut buffer = Default::default();
while let Some(event) = instance
.poll_event(&mut buffer)
@@ -481,41 +458,28 @@ pub fn poll_events(
use openxr::Event::*;
match event {
SessionStateChanged(e) => {
if let Some(ref session) = session {
info!("entered XR state {:?}", e.state());
use openxr::SessionState;
info!("entered XR state {:?}", e.state());
use openxr::SessionState;
match e.state() {
SessionState::IDLE => {
status.session_ready = false;
session_state.send(XrSessionState::Idle);
}
SessionState::READY => {
status.session_ready = true;
session_state.send(XrSessionState::Ready);
}
SessionState::STOPPING => {
status.session_running = false;
status.session_ready = false;
session.end().expect("Failed to end session");
session_state.send(XrSessionState::Stopping);
}
// TODO: figure out how to destroy the session
SessionState::EXITING | SessionState::LOSS_PENDING => {
status.session_running = false;
status.session_created = false;
status.session_ready = false;
session.end().expect("Failed to end session");
session_state.send(XrSessionState::Destroyed);
}
_ => {}
match e.state() {
SessionState::IDLE => {
*status = XrStatus::Idle;
}
SessionState::READY => {
*status = XrStatus::Ready;
}
SessionState::SYNCHRONIZED | SessionState::VISIBLE | SessionState::FOCUSED => {
status.set_if_neq(XrStatus::Running);
}
SessionState::STOPPING => *status = XrStatus::Stopping,
// TODO: figure out how to destroy the session
SessionState::EXITING | SessionState::LOSS_PENDING => {
*status = XrStatus::Exiting;
}
_ => {}
}
}
InstanceLossPending(_) => {
*status = XrStatus::UNINITIALIZED;
instance_destroyed.send_default();
}
InstanceLossPending(_) => {}
_ => {}
}
}