progress commit: openxr + pipewire + refactor
This commit is contained in:
galister
232
src/backend/openxr/input.rs
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232
src/backend/openxr/input.rs
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use glam::{bool, Affine3A, Quat, Vec3};
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use openxr as xr;
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use crate::{backend::input::Pointer, state::AppState};
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type XrSession = xr::Session<xr::Vulkan>;
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pub(super) struct OpenXrInputSource {
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action_set: xr::ActionSet,
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hands: [OpenXrHand; 2],
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pub(super) stage: xr::Space,
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}
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pub(super) struct OpenXrHand {
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source: OpenXrHandSource,
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space: xr::Space,
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}
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pub(super) struct OpenXrHandSource {
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action_pose: xr::Action<xr::Posef>,
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action_click: xr::Action<bool>,
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action_grab: xr::Action<bool>,
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action_scroll: xr::Action<xr::Vector2f>,
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action_alt_click: xr::Action<bool>,
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action_show_hide: xr::Action<bool>,
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action_click_modifier_right: xr::Action<bool>,
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action_click_modifier_middle: xr::Action<bool>,
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action_haptics: xr::Action<xr::Haptic>,
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}
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impl OpenXrInputSource {
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pub fn new(session: XrSession) -> Self {
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let mut action_set = session
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.instance()
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.create_action_set("wlx-overlay-s", "WlxOverlay-S Actions", 0)
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.expect("Failed to create action set");
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let left_source = OpenXrHandSource::new(&mut action_set, "left");
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let right_source = OpenXrHandSource::new(&mut action_set, "right");
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session.attach_action_sets(&[&action_set]).unwrap();
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let stage = session
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.create_reference_space(xr::ReferenceSpaceType::STAGE, xr::Posef::IDENTITY)
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.unwrap();
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Self {
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action_set,
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hands: [
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OpenXrHand::new(session.clone(), left_source),
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OpenXrHand::new(session, right_source),
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],
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stage,
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}
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}
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pub fn update(&self, session: &XrSession, time: xr::Time, state: &mut AppState) {
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session.sync_actions(&[(&self.action_set).into()]).unwrap();
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for i in 0..2 {
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self.hands[i].update(
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&mut state.input_state.pointers[i],
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&self.stage,
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session,
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time,
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);
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}
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}
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}
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impl OpenXrHand {
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pub(super) fn new(session: XrSession, source: OpenXrHandSource) -> Self {
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let space = source
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.action_pose
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.create_space(session.clone(), xr::Path::NULL, xr::Posef::IDENTITY)
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.unwrap();
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Self { source, space }
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}
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pub(super) fn update(
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&self,
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pointer: &mut Pointer,
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stage: &xr::Space,
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session: &XrSession,
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time: xr::Time,
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) {
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let location = self.space.locate(stage, time).unwrap();
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if location
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.location_flags
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.contains(xr::SpaceLocationFlags::ORIENTATION_VALID)
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{
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let quat = unsafe { std::mem::transmute::<_, Quat>(location.pose.orientation) };
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let pos = unsafe { std::mem::transmute::<_, Vec3>(location.pose.position) };
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pointer.pose = Affine3A::from_rotation_translation(quat, pos);
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}
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pointer.now.click = self
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.source
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.action_click
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.state(session, xr::Path::NULL)
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.unwrap()
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.current_state;
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pointer.now.grab = self
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.source
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.action_grab
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.state(session, xr::Path::NULL)
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.unwrap()
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.current_state;
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pointer.now.scroll = self
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.source
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.action_scroll
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.state(session, xr::Path::NULL)
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.unwrap()
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.current_state
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.y;
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pointer.now.alt_click = self
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.source
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.action_alt_click
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.state(session, xr::Path::NULL)
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.unwrap()
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.current_state;
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pointer.now.show_hide = self
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.source
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.action_show_hide
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.state(session, xr::Path::NULL)
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.unwrap()
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.current_state;
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pointer.now.click_modifier_right = self
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.source
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.action_click_modifier_right
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.state(session, xr::Path::NULL)
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.unwrap()
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.current_state;
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pointer.now.click_modifier_middle = self
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.source
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.action_click_modifier_middle
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.state(session, xr::Path::NULL)
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.unwrap()
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.current_state;
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}
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}
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// supported action types: Haptic, Posef, Vector2f, f32, bool
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impl OpenXrHandSource {
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pub(super) fn new(action_set: &mut xr::ActionSet, side: &str) -> Self {
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let action_pose = action_set
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.create_action::<xr::Posef>(
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&format!("{}_hand", side),
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&format!("{} hand pose", side),
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&[],
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)
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.unwrap();
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let action_click = action_set
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.create_action::<bool>(
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&format!("{}_click", side),
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&format!("{} hand click", side),
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&[],
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)
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.unwrap();
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let action_grab = action_set
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.create_action::<bool>(
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&format!("{}_grab", side),
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&format!("{} hand grab", side),
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&[],
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)
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.unwrap();
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let action_scroll = action_set
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.create_action::<xr::Vector2f>(
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&format!("{}_scroll", side),
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&format!("{} hand scroll", side),
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&[],
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)
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.unwrap();
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let action_alt_click = action_set
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.create_action::<bool>(
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&format!("{}_alt_click", side),
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&format!("{} hand alt click", side),
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&[],
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)
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.unwrap();
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let action_show_hide = action_set
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.create_action::<bool>(
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&format!("{}_show_hide", side),
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&format!("{} hand show/hide", side),
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&[],
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)
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.unwrap();
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let action_click_modifier_right = action_set
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.create_action::<bool>(
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&format!("{}_click_modifier_right", side),
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&format!("{} hand right click modifier", side),
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&[],
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)
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.unwrap();
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let action_click_modifier_middle = action_set
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.create_action::<bool>(
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&format!("{}_click_modifier_middle", side),
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&format!("{} hand middle click modifier", side),
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&[],
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)
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.unwrap();
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let action_haptics = action_set
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.create_action::<xr::Haptic>(
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&format!("{}_haptics", side),
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&format!("{} hand haptics", side),
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&[],
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)
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.unwrap();
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// TODO suggest bindings
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Self {
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action_pose,
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action_click,
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action_grab,
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action_scroll,
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action_alt_click,
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action_show_hide,
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action_click_modifier_right,
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action_click_modifier_middle,
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action_haptics,
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}
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}
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}
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