Merge webxr repository (#35228)

Signed-off-by: Martin Robinson <mrobinson@igalia.com>
This commit is contained in:
Martin Robinson 2025-01-30 20:07:35 +01:00 committed by GitHub
parent 64b40ea700
commit 534e78db53
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30 changed files with 7303 additions and 2 deletions

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use euclid::{Size2D, UnknownUnit};
use openxr::{ExtensionSet, FrameStream, FrameWaiter, Graphics, Instance, Session, SystemId};
use surfman::Context as SurfmanContext;
use surfman::Device as SurfmanDevice;
use surfman::Error as SurfmanError;
use surfman::SurfaceTexture;
use webxr_api::Error;
pub enum GraphicsProvider {}
pub trait GraphicsProviderMethods<G: Graphics> {
fn enable_graphics_extensions(exts: &mut ExtensionSet);
fn pick_format(formats: &[u32]) -> u32;
fn create_session(
device: &SurfmanDevice,
instance: &Instance,
system: SystemId,
) -> Result<(Session<G>, FrameWaiter, FrameStream<G>), Error>;
fn surface_texture_from_swapchain_texture(
image: <G as Graphics>::SwapchainImage,
device: &mut SurfmanDevice,
context: &mut SurfmanContext,
size: &Size2D<i32, UnknownUnit>,
) -> Result<SurfaceTexture, SurfmanError>;
}

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use std::{mem, ptr};
use euclid::{Size2D, UnknownUnit};
use log::warn;
use openxr::d3d::{Requirements, SessionCreateInfoD3D11, D3D11};
use openxr::{
ExtensionSet, FormFactor, FrameStream, FrameWaiter, Graphics, Instance, Session, SystemId,
};
use surfman::Adapter as SurfmanAdapter;
use surfman::Context as SurfmanContext;
use surfman::Device as SurfmanDevice;
use surfman::Error as SurfmanError;
use surfman::SurfaceTexture;
use webxr_api::Error;
use winapi::shared::winerror::{DXGI_ERROR_NOT_FOUND, S_OK};
use winapi::shared::{dxgi, dxgiformat};
use winapi::um::d3d11::ID3D11Texture2D;
use winapi::Interface;
use wio::com::ComPtr;
use crate::openxr::graphics::{GraphicsProvider, GraphicsProviderMethods};
use crate::openxr::{create_instance, AppInfo};
pub type Backend = D3D11;
impl GraphicsProviderMethods<D3D11> for GraphicsProvider {
fn enable_graphics_extensions(exts: &mut ExtensionSet) {
exts.khr_d3d11_enable = true;
}
fn pick_format(formats: &[u32]) -> u32 {
// TODO: extract the format from surfman's device and pick a matching
// valid format based on that. For now, assume that eglChooseConfig will
// gravitate to B8G8R8A8.
warn!("Available formats: {:?}", formats);
for format in formats {
match *format {
dxgiformat::DXGI_FORMAT_B8G8R8A8_UNORM_SRGB => return *format,
dxgiformat::DXGI_FORMAT_B8G8R8A8_UNORM => return *format,
//dxgiformat::DXGI_FORMAT_R8G8B8A8_UNORM => return *format,
f => {
warn!("Backend requested unsupported format {:?}", f);
}
}
}
panic!("No formats supported amongst {:?}", formats);
}
fn create_session(
device: &SurfmanDevice,
instance: &Instance,
system: SystemId,
) -> Result<(Session<D3D11>, FrameWaiter, FrameStream<D3D11>), Error> {
// Get the current surfman device and extract its D3D device. This will ensure
// that the OpenXR runtime's texture will be shareable with surfman's surfaces.
let native_device = device.native_device();
let d3d_device = native_device.d3d11_device;
// FIXME: we should be using these graphics requirements to drive the actual
// d3d device creation, rather than assuming the device that surfman
// already created is appropriate. OpenXR returns a validation error
// unless we call this method, so we call it and ignore the results
// in the short term.
let _requirements = D3D11::requirements(&instance, system)
.map_err(|e| Error::BackendSpecific(format!("D3D11::requirements {:?}", e)))?;
unsafe {
instance
.create_session::<D3D11>(
system,
&SessionCreateInfoD3D11 {
device: d3d_device as *mut _,
},
)
.map_err(|e| Error::BackendSpecific(format!("Instance::create_session {:?}", e)))
}
}
fn surface_texture_from_swapchain_texture(
image: <D3D11 as Graphics>::SwapchainImage,
device: &mut SurfmanDevice,
context: &mut SurfmanContext,
size: &Size2D<i32, UnknownUnit>,
) -> Result<SurfaceTexture, SurfmanError> {
unsafe {
let image = ComPtr::from_raw(image as *mut ID3D11Texture2D);
image.AddRef();
device.create_surface_texture_from_texture(context, size, image)
}
}
}
fn get_matching_adapter(
requirements: &Requirements,
) -> Result<ComPtr<dxgi::IDXGIAdapter1>, String> {
unsafe {
let mut factory_ptr: *mut dxgi::IDXGIFactory1 = ptr::null_mut();
let result = dxgi::CreateDXGIFactory1(
&dxgi::IDXGIFactory1::uuidof(),
&mut factory_ptr as *mut _ as *mut _,
);
assert_eq!(result, S_OK);
let factory = ComPtr::from_raw(factory_ptr);
let index = 0;
loop {
let mut adapter_ptr = ptr::null_mut();
let result = factory.EnumAdapters1(index, &mut adapter_ptr);
if result == DXGI_ERROR_NOT_FOUND {
return Err("No matching adapter".to_owned());
}
assert_eq!(result, S_OK);
let adapter = ComPtr::from_raw(adapter_ptr);
let mut adapter_desc = mem::zeroed();
let result = adapter.GetDesc1(&mut adapter_desc);
assert_eq!(result, S_OK);
let adapter_luid = &adapter_desc.AdapterLuid;
if adapter_luid.LowPart == requirements.adapter_luid.LowPart
&& adapter_luid.HighPart == requirements.adapter_luid.HighPart
{
return Ok(adapter);
}
}
}
}
#[allow(unused)]
pub fn create_surfman_adapter() -> Option<SurfmanAdapter> {
let instance = create_instance(false, false, false, &AppInfo::default()).ok()?;
let system = instance
.instance
.system(FormFactor::HEAD_MOUNTED_DISPLAY)
.ok()?;
let requirements = D3D11::requirements(&instance.instance, system).ok()?;
let adapter = get_matching_adapter(&requirements).ok()?;
Some(SurfmanAdapter::from_dxgi_adapter(adapter.up()))
}

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use std::ffi::c_void;
use std::mem::MaybeUninit;
use euclid::RigidTransform3D;
use log::debug;
use openxr::sys::{
HandJointLocationsEXT, HandJointsLocateInfoEXT, HandTrackingAimStateFB,
FB_HAND_TRACKING_AIM_EXTENSION_NAME,
};
use openxr::{
self, Action, ActionSet, Binding, FrameState, Graphics, Hand as HandEnum, HandJoint,
HandJointLocation, HandTracker, HandTrackingAimFlagsFB, Instance, Path, Posef, Session, Space,
SpaceLocationFlags, HAND_JOINT_COUNT,
};
use webxr_api::Finger;
use webxr_api::Hand;
use webxr_api::Handedness;
use webxr_api::Input;
use webxr_api::InputFrame;
use webxr_api::InputId;
use webxr_api::InputSource;
use webxr_api::JointFrame;
use webxr_api::Native;
use webxr_api::SelectEvent;
use webxr_api::TargetRayMode;
use webxr_api::Viewer;
use super::interaction_profiles::InteractionProfile;
use super::IDENTITY_POSE;
use crate::ext_string;
use crate::openxr::interaction_profiles::INTERACTION_PROFILES;
/// Number of frames to wait with the menu gesture before
/// opening the menu.
const MENU_GESTURE_SUSTAIN_THRESHOLD: u8 = 60;
/// Helper macro for binding action paths in an interaction profile entry
macro_rules! bind_inputs {
($actions:expr, $paths:expr, $hand:expr, $instance:expr, $ret:expr) => {
$actions.iter().enumerate().for_each(|(i, action)| {
let action_path = $paths[i];
if action_path != "" {
let path = $instance
.string_to_path(&format!("/user/hand/{}/input/{}", $hand, action_path))
.expect(&format!(
"Failed to create path for /user/hand/{}/input/{}",
$hand, action_path
));
let binding = Binding::new(action, path);
$ret.push(binding);
}
});
};
}
#[derive(Copy, Clone, Debug, PartialEq, Eq)]
enum ClickState {
Clicking,
Done,
}
/// All the information on a single input frame
pub struct Frame {
pub frame: InputFrame,
pub select: Option<SelectEvent>,
pub squeeze: Option<SelectEvent>,
pub menu_selected: bool,
}
impl ClickState {
fn update_from_action<G: Graphics>(
&mut self,
action: &Action<bool>,
session: &Session<G>,
menu_selected: bool,
) -> (/* is_active */ bool, Option<SelectEvent>) {
let click = action.state(session, Path::NULL).unwrap();
let select_event =
self.update_from_value(click.current_state, click.is_active, menu_selected);
(click.is_active, select_event)
}
fn update_from_value(
&mut self,
current_state: bool,
is_active: bool,
menu_selected: bool,
) -> Option<SelectEvent> {
if is_active {
match (current_state, *self) {
(_, ClickState::Clicking) if menu_selected => {
*self = ClickState::Done;
// Cancel the select, we're showing a menu
Some(SelectEvent::End)
}
(true, ClickState::Done) => {
*self = ClickState::Clicking;
Some(SelectEvent::Start)
}
(false, ClickState::Clicking) => {
*self = ClickState::Done;
Some(SelectEvent::Select)
}
_ => None,
}
} else if *self == ClickState::Clicking {
*self = ClickState::Done;
// Cancel the select, we lost tracking
Some(SelectEvent::End)
} else {
None
}
}
}
pub struct OpenXRInput {
id: InputId,
action_aim_pose: Action<Posef>,
action_aim_space: Space,
action_grip_pose: Action<Posef>,
action_grip_space: Space,
action_click: Action<bool>,
action_squeeze: Action<bool>,
handedness: Handedness,
click_state: ClickState,
squeeze_state: ClickState,
menu_gesture_sustain: u8,
#[allow(unused)]
hand_tracker: Option<HandTracker>,
action_buttons_common: Vec<Action<f32>>,
action_buttons_left: Vec<Action<f32>>,
action_buttons_right: Vec<Action<f32>>,
action_axes_common: Vec<Action<f32>>,
use_alternate_input_source: bool,
}
fn hand_str(h: Handedness) -> &'static str {
match h {
Handedness::Right => "right",
Handedness::Left => "left",
_ => panic!("We don't support unknown handedness in openxr"),
}
}
impl OpenXRInput {
pub fn new<G: Graphics>(
id: InputId,
handedness: Handedness,
action_set: &ActionSet,
session: &Session<G>,
needs_hands: bool,
supported_interaction_profiles: Vec<&'static str>,
) -> Self {
let hand = hand_str(handedness);
let action_aim_pose: Action<Posef> = action_set
.create_action(
&format!("{}_hand_aim", hand),
&format!("{} hand aim", hand),
&[],
)
.unwrap();
let action_aim_space = action_aim_pose
.create_space(session.clone(), Path::NULL, IDENTITY_POSE)
.unwrap();
let action_grip_pose: Action<Posef> = action_set
.create_action(
&format!("{}_hand_grip", hand),
&format!("{} hand grip", hand),
&[],
)
.unwrap();
let action_grip_space = action_grip_pose
.create_space(session.clone(), Path::NULL, IDENTITY_POSE)
.unwrap();
let action_click: Action<bool> = action_set
.create_action(
&format!("{}_hand_click", hand),
&format!("{} hand click", hand),
&[],
)
.unwrap();
let action_squeeze: Action<bool> = action_set
.create_action(
&format!("{}_hand_squeeze", hand),
&format!("{} hand squeeze", hand),
&[],
)
.unwrap();
let hand_tracker = if needs_hands {
let hand = match handedness {
Handedness::Left => HandEnum::LEFT,
Handedness::Right => HandEnum::RIGHT,
_ => panic!("We don't support unknown handedness in openxr"),
};
session.create_hand_tracker(hand).ok()
} else {
None
};
let action_buttons_common: Vec<Action<f32>> = {
let button1: Action<f32> = action_set
.create_action(
&format!("{}_trigger", hand),
&format!("{}_trigger", hand),
&[],
)
.unwrap();
let button2: Action<f32> = action_set
.create_action(&format!("{}_grip", hand), &format!("{}_grip", hand), &[])
.unwrap();
let button3: Action<f32> = action_set
.create_action(
&format!("{}_touchpad_click", hand),
&format!("{}_touchpad_click", hand),
&[],
)
.unwrap();
let button4: Action<f32> = action_set
.create_action(
&format!("{}_thumbstick_click", hand),
&format!("{}_thumbstick_click", hand),
&[],
)
.unwrap();
vec![button1, button2, button3, button4]
};
let action_buttons_left = {
let button1: Action<f32> = action_set
.create_action(&format!("{}_x", hand), &format!("{}_x", hand), &[])
.unwrap();
let button2: Action<f32> = action_set
.create_action(&format!("{}_y", hand), &format!("{}_y", hand), &[])
.unwrap();
vec![button1, button2]
};
let action_buttons_right = {
let button1: Action<f32> = action_set
.create_action(&format!("{}_a", hand), &format!("{}_a", hand), &[])
.unwrap();
let button2: Action<f32> = action_set
.create_action(&format!("{}_b", hand), &format!("{}_b", hand), &[])
.unwrap();
vec![button1, button2]
};
let action_axes_common: Vec<Action<f32>> = {
let axis1: Action<f32> = action_set
.create_action(
&format!("{}_touchpad_x", hand),
&format!("{}_touchpad_x", hand),
&[],
)
.unwrap();
let axis2: Action<f32> = action_set
.create_action(
&format!("{}_touchpad_y", hand),
&format!("{}_touchpad_y", hand),
&[],
)
.unwrap();
let axis3: Action<f32> = action_set
.create_action(
&format!("{}_thumbstick_x", hand),
&format!("{}_thumbstick_x", hand),
&[],
)
.unwrap();
let axis4: Action<f32> = action_set
.create_action(
&format!("{}_thumbstick_y", hand),
&format!("{}_thumbstick_y", hand),
&[],
)
.unwrap();
vec![axis1, axis2, axis3, axis4]
};
let use_alternate_input_source = supported_interaction_profiles
.contains(&ext_string!(FB_HAND_TRACKING_AIM_EXTENSION_NAME));
Self {
id,
action_aim_pose,
action_aim_space,
action_grip_pose,
action_grip_space,
action_click,
action_squeeze,
handedness,
click_state: ClickState::Done,
squeeze_state: ClickState::Done,
menu_gesture_sustain: 0,
hand_tracker,
action_buttons_common,
action_axes_common,
action_buttons_left,
action_buttons_right,
use_alternate_input_source,
}
}
pub fn setup_inputs<G: Graphics>(
instance: &Instance,
session: &Session<G>,
needs_hands: bool,
supported_interaction_profiles: Vec<&'static str>,
) -> (ActionSet, Self, Self) {
let action_set = instance.create_action_set("hands", "Hands", 0).unwrap();
let right_hand = OpenXRInput::new(
InputId(0),
Handedness::Right,
&action_set,
&session,
needs_hands,
supported_interaction_profiles.clone(),
);
let left_hand = OpenXRInput::new(
InputId(1),
Handedness::Left,
&action_set,
&session,
needs_hands,
supported_interaction_profiles.clone(),
);
for profile in INTERACTION_PROFILES {
if let Some(extension_name) = profile.required_extension {
if !supported_interaction_profiles.contains(&ext_string!(extension_name)) {
continue;
}
}
if profile.path.is_empty() {
continue;
}
let select = profile.standard_buttons[0];
let squeeze = Option::from(profile.standard_buttons[1]).filter(|&s| !s.is_empty());
let mut bindings = right_hand.get_bindings(instance, select, squeeze, &profile);
bindings.extend(
left_hand
.get_bindings(instance, select, squeeze, &profile)
.into_iter(),
);
let path_controller = instance
.string_to_path(profile.path)
.expect(format!("Invalid interaction profile path: {}", profile.path).as_str());
if let Err(_) =
instance.suggest_interaction_profile_bindings(path_controller, &bindings)
{
debug!(
"Interaction profile path not available for this runtime: {:?}",
profile.path
);
}
}
session.attach_action_sets(&[&action_set]).unwrap();
(action_set, right_hand, left_hand)
}
fn get_bindings(
&self,
instance: &Instance,
select_name: &str,
squeeze_name: Option<&str>,
interaction_profile: &InteractionProfile,
) -> Vec<Binding> {
let hand = hand_str(self.handedness);
let path_aim_pose = instance
.string_to_path(&format!("/user/hand/{}/input/aim/pose", hand))
.expect(&format!(
"Failed to create path for /user/hand/{}/input/aim/pose",
hand
));
let binding_aim_pose = Binding::new(&self.action_aim_pose, path_aim_pose);
let path_grip_pose = instance
.string_to_path(&format!("/user/hand/{}/input/grip/pose", hand))
.expect(&format!(
"Failed to create path for /user/hand/{}/input/grip/pose",
hand
));
let binding_grip_pose = Binding::new(&self.action_grip_pose, path_grip_pose);
let path_click = instance
.string_to_path(&format!("/user/hand/{}/input/{}", hand, select_name))
.expect(&format!(
"Failed to create path for /user/hand/{}/input/{}",
hand, select_name
));
let binding_click = Binding::new(&self.action_click, path_click);
let mut ret = vec![binding_aim_pose, binding_grip_pose, binding_click];
if let Some(squeeze_name) = squeeze_name {
let path_squeeze = instance
.string_to_path(&format!("/user/hand/{}/input/{}", hand, squeeze_name))
.expect(&format!(
"Failed to create path for /user/hand/{}/input/{}",
hand, squeeze_name
));
let binding_squeeze = Binding::new(&self.action_squeeze, path_squeeze);
ret.push(binding_squeeze);
}
bind_inputs!(
self.action_buttons_common,
interaction_profile.standard_buttons,
hand,
instance,
ret
);
if !interaction_profile.left_buttons.is_empty() && hand == "left" {
bind_inputs!(
self.action_buttons_left,
interaction_profile.left_buttons,
hand,
instance,
ret
);
} else if !interaction_profile.right_buttons.is_empty() && hand == "right" {
bind_inputs!(
self.action_buttons_right,
interaction_profile.right_buttons,
hand,
instance,
ret
);
}
bind_inputs!(
self.action_axes_common,
interaction_profile.standard_axes,
hand,
instance,
ret
);
ret
}
pub fn frame<G: Graphics>(
&mut self,
session: &Session<G>,
frame_state: &FrameState,
base_space: &Space,
viewer: &RigidTransform3D<f32, Viewer, Native>,
) -> Frame {
use euclid::Vector3D;
let mut target_ray_origin = pose_for(&self.action_aim_space, frame_state, base_space);
let grip_origin = pose_for(&self.action_grip_space, frame_state, base_space);
let mut menu_selected = false;
// Check if the palm is facing up. This is our "menu" gesture.
if let Some(grip_origin) = grip_origin {
// The X axis of the grip is perpendicular to the palm, however its
// direction is the opposite for each hand
//
// We obtain a unit vector pointing out of the palm
let x_dir = if let Handedness::Left = self.handedness {
1.0
} else {
-1.0
};
// Rotate it by the grip to obtain the desired vector
let grip_x = grip_origin
.rotation
.transform_vector3d(Vector3D::new(x_dir, 0.0, 0.0));
let gaze = viewer
.rotation
.transform_vector3d(Vector3D::new(0., 0., 1.));
// If the angle is close enough to 0, its cosine will be
// close to 1
// check if the user's gaze is parallel to the palm
if gaze.dot(grip_x) > 0.95 {
let input_relative = (viewer.translation - grip_origin.translation).normalize();
// if so, check if the user is actually looking at the palm
if gaze.dot(input_relative) > 0.95 {
self.menu_gesture_sustain += 1;
if self.menu_gesture_sustain > MENU_GESTURE_SUSTAIN_THRESHOLD {
menu_selected = true;
self.menu_gesture_sustain = 0;
}
} else {
self.menu_gesture_sustain = 0
}
} else {
self.menu_gesture_sustain = 0;
}
} else {
self.menu_gesture_sustain = 0;
}
let hand = hand_str(self.handedness);
let click = self.action_click.state(session, Path::NULL).unwrap();
let squeeze = self.action_squeeze.state(session, Path::NULL).unwrap();
let (button_values, buttons_changed) = {
let mut changed = false;
let mut values = Vec::<f32>::new();
let mut sync_buttons = |actions: &Vec<Action<f32>>| {
let buttons = actions
.iter()
.map(|action| {
let state = action.state(session, Path::NULL).unwrap();
changed = changed || state.changed_since_last_sync;
state.current_state
})
.collect::<Vec<f32>>();
values.extend_from_slice(&buttons);
};
sync_buttons(&self.action_buttons_common);
if hand == "left" {
sync_buttons(&self.action_buttons_left);
} else if hand == "right" {
sync_buttons(&self.action_buttons_right);
}
(values, changed)
};
let (axis_values, axes_changed) = {
let mut changed = false;
let values = self
.action_axes_common
.iter()
.enumerate()
.map(|(i, action)| {
let state = action.state(session, Path::NULL).unwrap();
changed = changed || state.changed_since_last_sync;
// Invert input from y axes
state.current_state * if i % 2 == 1 { -1.0 } else { 1.0 }
})
.collect::<Vec<f32>>();
(values, changed)
};
let input_changed = buttons_changed || axes_changed;
let (click_is_active, mut click_event) = if !self.use_alternate_input_source {
self.click_state
.update_from_action(&self.action_click, session, menu_selected)
} else {
(true, None)
};
let (squeeze_is_active, squeeze_event) =
self.squeeze_state
.update_from_action(&self.action_squeeze, session, menu_selected);
let mut aim_state: Option<HandTrackingAimStateFB> = None;
let hand = self.hand_tracker.as_ref().and_then(|tracker| {
locate_hand(
base_space,
tracker,
frame_state,
self.use_alternate_input_source,
session,
&mut aim_state,
)
});
let mut pressed = click_is_active && click.current_state;
let squeezed = squeeze_is_active && squeeze.current_state;
if let Some(state) = aim_state {
target_ray_origin.replace(super::transform(&state.aim_pose));
let index_pinching = state
.status
.intersects(HandTrackingAimFlagsFB::INDEX_PINCHING);
click_event = self
.click_state
.update_from_value(index_pinching, true, menu_selected);
pressed = index_pinching;
}
let input_frame = InputFrame {
target_ray_origin,
id: self.id,
pressed,
squeezed,
grip_origin,
hand,
button_values,
axis_values,
input_changed,
};
Frame {
frame: input_frame,
select: click_event,
squeeze: squeeze_event,
menu_selected,
}
}
pub fn input_source(&self) -> InputSource {
let hand_support = if self.hand_tracker.is_some() {
// openxr runtimes must always support all or none joints
Some(Hand::<()>::default().map(|_, _| Some(())))
} else {
None
};
InputSource {
handedness: self.handedness,
id: self.id,
target_ray_mode: TargetRayMode::TrackedPointer,
supports_grip: true,
profiles: vec![],
hand_support,
}
}
}
fn pose_for(
action_space: &Space,
frame_state: &FrameState,
base_space: &Space,
) -> Option<RigidTransform3D<f32, Input, Native>> {
let location = action_space
.locate(base_space, frame_state.predicted_display_time)
.unwrap();
let pose_valid = location
.location_flags
.intersects(SpaceLocationFlags::POSITION_VALID | SpaceLocationFlags::ORIENTATION_VALID);
if pose_valid {
Some(super::transform(&location.pose))
} else {
None
}
}
fn locate_hand<G: Graphics>(
base_space: &Space,
tracker: &HandTracker,
frame_state: &FrameState,
use_alternate_input_source: bool,
session: &Session<G>,
aim_state: &mut Option<HandTrackingAimStateFB>,
) -> Option<Box<Hand<JointFrame>>> {
let mut state = HandTrackingAimStateFB::out(std::ptr::null_mut());
let locations = {
if !use_alternate_input_source {
base_space.locate_hand_joints(tracker, frame_state.predicted_display_time)
} else {
let locate_info = HandJointsLocateInfoEXT {
ty: HandJointsLocateInfoEXT::TYPE,
next: std::ptr::null(),
base_space: base_space.as_raw(),
time: frame_state.predicted_display_time,
};
let mut locations = MaybeUninit::<[HandJointLocation; HAND_JOINT_COUNT]>::uninit();
let mut location_info = HandJointLocationsEXT {
ty: HandJointLocationsEXT::TYPE,
next: &mut state as *mut _ as *mut c_void,
is_active: false.into(),
joint_count: HAND_JOINT_COUNT as u32,
joint_locations: locations.as_mut_ptr() as _,
};
// Check if hand tracking is supported by the session instance
let raw_hand_tracker = session.instance().exts().ext_hand_tracking.as_ref()?;
unsafe {
Ok(
match (raw_hand_tracker.locate_hand_joints)(
tracker.as_raw(),
&locate_info,
&mut location_info,
) {
openxr::sys::Result::SUCCESS if location_info.is_active.into() => {
aim_state.replace(state.assume_init());
Some(locations.assume_init())
}
_ => None,
},
)
}
}
};
let locations = if let Ok(Some(ref locations)) = locations {
Hand {
wrist: Some(&locations[HandJoint::WRIST]),
thumb_metacarpal: Some(&locations[HandJoint::THUMB_METACARPAL]),
thumb_phalanx_proximal: Some(&locations[HandJoint::THUMB_PROXIMAL]),
thumb_phalanx_distal: Some(&locations[HandJoint::THUMB_DISTAL]),
thumb_phalanx_tip: Some(&locations[HandJoint::THUMB_TIP]),
index: Finger {
metacarpal: Some(&locations[HandJoint::INDEX_METACARPAL]),
phalanx_proximal: Some(&locations[HandJoint::INDEX_PROXIMAL]),
phalanx_intermediate: Some(&locations[HandJoint::INDEX_INTERMEDIATE]),
phalanx_distal: Some(&locations[HandJoint::INDEX_DISTAL]),
phalanx_tip: Some(&locations[HandJoint::INDEX_TIP]),
},
middle: Finger {
metacarpal: Some(&locations[HandJoint::MIDDLE_METACARPAL]),
phalanx_proximal: Some(&locations[HandJoint::MIDDLE_PROXIMAL]),
phalanx_intermediate: Some(&locations[HandJoint::MIDDLE_INTERMEDIATE]),
phalanx_distal: Some(&locations[HandJoint::MIDDLE_DISTAL]),
phalanx_tip: Some(&locations[HandJoint::MIDDLE_TIP]),
},
ring: Finger {
metacarpal: Some(&locations[HandJoint::RING_METACARPAL]),
phalanx_proximal: Some(&locations[HandJoint::RING_PROXIMAL]),
phalanx_intermediate: Some(&locations[HandJoint::RING_INTERMEDIATE]),
phalanx_distal: Some(&locations[HandJoint::RING_DISTAL]),
phalanx_tip: Some(&locations[HandJoint::RING_TIP]),
},
little: Finger {
metacarpal: Some(&locations[HandJoint::LITTLE_METACARPAL]),
phalanx_proximal: Some(&locations[HandJoint::LITTLE_PROXIMAL]),
phalanx_intermediate: Some(&locations[HandJoint::LITTLE_INTERMEDIATE]),
phalanx_distal: Some(&locations[HandJoint::LITTLE_DISTAL]),
phalanx_tip: Some(&locations[HandJoint::LITTLE_TIP]),
},
}
} else {
return None;
};
Some(Box::new(locations.map(|loc, _| {
loc.and_then(|location| {
let pose_valid = location.location_flags.intersects(
SpaceLocationFlags::POSITION_VALID | SpaceLocationFlags::ORIENTATION_VALID,
);
if pose_valid {
Some(JointFrame {
pose: super::transform(&location.pose),
radius: location.radius,
})
} else {
None
}
})
})))
}

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@ -0,0 +1,444 @@
use openxr::{
sys::{
BD_CONTROLLER_INTERACTION_EXTENSION_NAME, EXT_HAND_INTERACTION_EXTENSION_NAME,
EXT_HP_MIXED_REALITY_CONTROLLER_EXTENSION_NAME,
EXT_SAMSUNG_ODYSSEY_CONTROLLER_EXTENSION_NAME, FB_HAND_TRACKING_AIM_EXTENSION_NAME,
FB_TOUCH_CONTROLLER_PRO_EXTENSION_NAME,
HTC_VIVE_COSMOS_CONTROLLER_INTERACTION_EXTENSION_NAME,
HTC_VIVE_FOCUS3_CONTROLLER_INTERACTION_EXTENSION_NAME,
META_TOUCH_CONTROLLER_PLUS_EXTENSION_NAME, ML_ML2_CONTROLLER_INTERACTION_EXTENSION_NAME,
},
ExtensionSet,
};
#[macro_export]
macro_rules! ext_string {
($ext_name:expr) => {
std::str::from_utf8($ext_name).unwrap()
};
}
#[derive(Clone, Copy, Debug, PartialEq)]
pub enum InteractionProfileType {
KhrSimpleController,
BytedancePicoNeo3Controller,
BytedancePico4Controller,
BytedancePicoG3Controller,
GoogleDaydreamController,
HpMixedRealityController,
HtcViveController,
HtcViveCosmosController,
HtcViveFocus3Controller,
MagicLeap2Controller,
MicrosoftMixedRealityMotionController,
OculusGoController,
OculusTouchController,
FacebookTouchControllerPro,
MetaTouchPlusController,
MetaTouchControllerRiftCv1,
MetaTouchControllerQuest1RiftS,
MetaTouchControllerQuest2,
SamsungOdysseyController,
ValveIndexController,
ExtHandInteraction,
FbHandTrackingAim,
}
#[derive(Clone, Copy, Debug)]
pub struct InteractionProfile<'a> {
pub profile_type: InteractionProfileType,
/// The interaction profile path
pub path: &'static str,
/// The OpenXR extension, if any, required to use this profile
pub required_extension: Option<&'a [u8]>,
/// Trigger, Grip, Touchpad, Thumbstick
pub standard_buttons: &'a [&'a str],
/// Touchpad X, Touchpad Y, Thumbstick X, Thumbstick Y
pub standard_axes: &'a [&'a str],
/// Any additional buttons on the left controller
pub left_buttons: &'a [&'a str],
/// Any additional buttons on the right controller
pub right_buttons: &'a [&'a str],
/// The corresponding WebXR Input Profile names
pub profiles: &'a [&'a str],
}
pub static KHR_SIMPLE_CONTROLLER_PROFILE: InteractionProfile = InteractionProfile {
profile_type: InteractionProfileType::KhrSimpleController,
path: "/interaction_profiles/khr/simple_controller",
required_extension: None,
standard_buttons: &["select/click", "", "", ""],
standard_axes: &["", "", "", ""],
left_buttons: &[],
right_buttons: &[],
profiles: &["generic-trigger"],
};
pub static BYTEDANCE_PICO_NEO3_CONTROLLER_PROFILE: InteractionProfile = InteractionProfile {
profile_type: InteractionProfileType::BytedancePicoNeo3Controller,
path: "/interaction_profiles/bytedance/pico_neo3_controller",
required_extension: Some(BD_CONTROLLER_INTERACTION_EXTENSION_NAME),
standard_buttons: &["trigger/value", "squeeze/value", "", "thumbstick/click"],
standard_axes: &["", "", "thumbstick/x", "thumbstick/y"],
left_buttons: &["x/click", "y/click"],
right_buttons: &["a/click", "b/click"],
profiles: &["pico-neo3", "generic-trigger-squeeze-thumbstick"],
};
pub static BYTEDANCE_PICO_4_CONTROLLER_PROFILE: InteractionProfile = InteractionProfile {
profile_type: InteractionProfileType::BytedancePico4Controller,
path: "/interaction_profiles/bytedance/pico4_controller",
required_extension: Some(BD_CONTROLLER_INTERACTION_EXTENSION_NAME),
standard_buttons: &["trigger/value", "squeeze/value", "", "thumbstick/click"],
standard_axes: &["", "", "thumbstick/x", "thumbstick/y"],
left_buttons: &["x/click", "y/click"],
right_buttons: &["a/click", "b/click"],
profiles: &["pico-4", "generic-trigger-squeeze-thumbstick"],
};
pub static BYTEDANCE_PICO_G3_CONTROLLER_PROFILE: InteractionProfile = InteractionProfile {
profile_type: InteractionProfileType::BytedancePicoG3Controller,
path: "/interaction_profiles/bytedance/pico_g3_controller",
required_extension: Some(BD_CONTROLLER_INTERACTION_EXTENSION_NAME),
standard_buttons: &["trigger/value", "", "", "thumbstick/click"],
// Note: X/Y components not listed in the OpenXR spec currently due to vendor error.
// See <https://github.com/KhronosGroup/OpenXR-Docs/issues/158>
// It also uses the thumbstick path despite clearly being a touchpad, so
// move those values into the touchpad axes slots
standard_axes: &["thumbstick/x", "thumbstick/y", "", ""],
left_buttons: &[],
right_buttons: &[],
// Note: There is no corresponding WebXR Input profile for the Pico G3,
// but the controller seems identical to the G2, so use that instead.
profiles: &["pico-g2", "generic-trigger-touchpad"],
};
pub static GOOGLE_DAYDREAM_CONTROLLER_PROFILE: InteractionProfile = InteractionProfile {
profile_type: InteractionProfileType::GoogleDaydreamController,
path: "/interaction_profiles/google/daydream_controller",
required_extension: None,
standard_buttons: &["select/click", "", "trackpad/click", ""],
standard_axes: &["trackpad/x", "trackpad/y", "", ""],
left_buttons: &[],
right_buttons: &[],
profiles: &["google-daydream", "generic-touchpad"],
};
pub static HP_MIXED_REALITY_MOTION_CONTROLLER_PROFILE: InteractionProfile = InteractionProfile {
profile_type: InteractionProfileType::HpMixedRealityController,
path: "/interaction_profiles/hp/mixed_reality_controller",
required_extension: Some(EXT_HP_MIXED_REALITY_CONTROLLER_EXTENSION_NAME),
standard_buttons: &["trigger/value", "squeeze/value", "", "thumbstick/click"],
standard_axes: &["", "", "thumbstick/x", "thumbstick/y"],
left_buttons: &["x/click", "y/click"],
right_buttons: &["a/click", "b/click"],
profiles: &[
"hp-mixed-reality",
"oculus-touch",
"generic-trigger-squeeze-thumbstick",
],
};
pub static HTC_VIVE_CONTROLLER_PROFILE: InteractionProfile = InteractionProfile {
profile_type: InteractionProfileType::HtcViveController,
path: "/interaction_profiles/htc/vive_controller",
required_extension: None,
standard_buttons: &["trigger/value", "squeeze/click", "trackpad/click", ""],
standard_axes: &["trackpad/x", "trackpad/y", "", ""],
left_buttons: &[],
right_buttons: &[],
profiles: &["htc-vive", "generic-trigger-squeeze-touchpad"],
};
pub static HTC_VIVE_COSMOS_CONTROLLER_PROFILE: InteractionProfile = InteractionProfile {
profile_type: InteractionProfileType::HtcViveCosmosController,
path: "/interaction_profiles/htc/vive_cosmos_controller",
required_extension: Some(HTC_VIVE_COSMOS_CONTROLLER_INTERACTION_EXTENSION_NAME),
standard_buttons: &["trigger/value", "squeeze/click", "", "thumbstick/click"],
standard_axes: &["", "", "thumbstick/x", "thumbstick/y"],
left_buttons: &["x/click", "y/click"],
right_buttons: &["a/click", "b/click"],
profiles: &["htc-vive-cosmos", "generic-trigger-squeeze-thumbstick"],
};
pub static HTC_VIVE_FOCUS3_CONTROLLER_PROFILE: InteractionProfile = InteractionProfile {
profile_type: InteractionProfileType::HtcViveFocus3Controller,
path: "/interaction_profiles/htc/vive_focus3_controller",
required_extension: Some(HTC_VIVE_FOCUS3_CONTROLLER_INTERACTION_EXTENSION_NAME),
standard_buttons: &["trigger/value", "squeeze/value", "", "thumbstick/click"],
standard_axes: &["", "", "thumbstick/x", "thumbstick/y"],
left_buttons: &["x/click", "y/click"],
right_buttons: &["a/click", "b/click"],
profiles: &["htc-vive-focus-3", "generic-trigger-squeeze-thumbstick"],
};
pub static MAGIC_LEAP_2_CONTROLLER_PROFILE: InteractionProfile = InteractionProfile {
profile_type: InteractionProfileType::MagicLeap2Controller,
path: "/interaction_profiles/ml/ml2_controller",
required_extension: Some(ML_ML2_CONTROLLER_INTERACTION_EXTENSION_NAME),
standard_buttons: &["trigger/value", "", "trackpad/click", ""],
standard_axes: &["trackpad/x", "trackpad/y", "", ""],
left_buttons: &[],
right_buttons: &[],
// Note: There is no corresponding WebXR Input profile for the Magic Leap 2,
// but the controller seems mostly identical to the 1, so use that instead.
profiles: &["magicleap-one", "generic-trigger-squeeze-touchpad"],
};
pub static MICROSOFT_MIXED_REALITY_MOTION_CONTROLLER_PROFILE: InteractionProfile =
InteractionProfile {
profile_type: InteractionProfileType::MicrosoftMixedRealityMotionController,
path: "/interaction_profiles/microsoft/motion_controller",
required_extension: None,
standard_buttons: &[
"trigger/value",
"squeeze/click",
"trackpad/click",
"thumbstick/click",
],
standard_axes: &["trackpad/x", "trackpad/y", "thumbstick/x", "thumbstick/y"],
left_buttons: &[],
right_buttons: &[],
profiles: &[
"microsoft-mixed-reality",
"generic-trigger-squeeze-touchpad-thumbstick",
],
};
pub static OCULUS_GO_CONTROLLER_PROFILE: InteractionProfile = InteractionProfile {
profile_type: InteractionProfileType::OculusGoController,
path: "/interaction_profiles/oculus/go_controller",
required_extension: None,
standard_buttons: &["trigger/click", "", "trackpad/click", ""],
standard_axes: &["trackpad/x", "trackpad/y", "", ""],
left_buttons: &[],
right_buttons: &[],
profiles: &["oculus-go", "generic-trigger-touchpad"],
};
pub static OCULUS_TOUCH_CONTROLLER_PROFILE: InteractionProfile = InteractionProfile {
profile_type: InteractionProfileType::OculusTouchController,
path: "/interaction_profiles/oculus/touch_controller",
required_extension: None,
standard_buttons: &["trigger/value", "squeeze/value", "", "thumbstick/click"],
standard_axes: &["", "", "thumbstick/x", "thumbstick/y"],
left_buttons: &["x/click", "y/click"],
right_buttons: &["a/click", "b/click"],
profiles: &[
"oculus-touch-v3",
"oculus-touch-v2",
"oculus-touch",
"generic-trigger-squeeze-thumbstick",
],
};
pub static FACEBOOK_TOUCH_CONTROLLER_PRO_PROFILE: InteractionProfile = InteractionProfile {
profile_type: InteractionProfileType::FacebookTouchControllerPro,
path: "/interaction_profiles/facebook/touch_controller_pro",
required_extension: Some(FB_TOUCH_CONTROLLER_PRO_EXTENSION_NAME),
standard_buttons: &["trigger/value", "squeeze/value", "", "thumbstick/click"],
standard_axes: &["", "", "thumbstick/x", "thumbstick/y"],
left_buttons: &["x/click", "y/click"],
right_buttons: &["a/click", "b/click"],
profiles: &[
"meta-quest-touch-pro",
"oculus-touch-v2",
"oculus-touch",
"generic-trigger-squeeze-thumbstick",
],
};
pub static META_TOUCH_CONTROLLER_PLUS_PROFILE: InteractionProfile = InteractionProfile {
profile_type: InteractionProfileType::MetaTouchPlusController,
path: "/interaction_profiles/meta/touch_controller_plus",
required_extension: Some(META_TOUCH_CONTROLLER_PLUS_EXTENSION_NAME),
standard_buttons: &["trigger/value", "squeeze/value", "", "thumbstick/click"],
standard_axes: &["", "", "thumbstick/x", "thumbstick/y"],
left_buttons: &["x/click", "y/click"],
right_buttons: &["a/click", "b/click"],
profiles: &[
"meta-quest-touch-plus",
"oculus-touch-v3",
"oculus-touch",
"generic-trigger-squeeze-thumbstick",
],
};
pub static META_TOUCH_CONTROLLER_RIFT_CV1_PROFILE: InteractionProfile = InteractionProfile {
profile_type: InteractionProfileType::MetaTouchControllerRiftCv1,
path: "/interaction_profiles/meta/touch_controller_rift_cv1",
required_extension: None,
standard_buttons: &["trigger/value", "squeeze/value", "", "thumbstick/click"],
standard_axes: &["", "", "thumbstick/x", "thumbstick/y"],
left_buttons: &["x/click", "y/click"],
right_buttons: &["a/click", "b/click"],
profiles: &["oculus-touch", "generic-trigger-squeeze-thumbstick"],
};
pub static META_TOUCH_CONTROLLER_QUEST_1_RIFT_S_PROFILE: InteractionProfile = InteractionProfile {
profile_type: InteractionProfileType::MetaTouchControllerQuest1RiftS,
path: "/interaction_profiles/meta/touch_controller_quest_1_rift_s",
required_extension: None,
standard_buttons: &["trigger/value", "squeeze/value", "", "thumbstick/click"],
standard_axes: &["", "", "thumbstick/x", "thumbstick/y"],
left_buttons: &["x/click", "y/click"],
right_buttons: &["a/click", "b/click"],
profiles: &[
"oculus-touch-v2",
"oculus-touch",
"generic-trigger-squeeze-thumbstick",
],
};
pub static META_TOUCH_CONTROLLER_QUEST_2_PROFILE: InteractionProfile = InteractionProfile {
profile_type: InteractionProfileType::MetaTouchControllerQuest2,
path: "/interaction_profiles/meta/touch_controller_quest_2",
required_extension: None,
standard_buttons: &["trigger/value", "squeeze/value", "", "thumbstick/click"],
standard_axes: &["", "", "thumbstick/x", "thumbstick/y"],
left_buttons: &["x/click", "y/click"],
right_buttons: &["a/click", "b/click"],
profiles: &[
"oculus-touch-v3",
"oculus-touch-v2",
"oculus-touch",
"generic-trigger-squeeze-thumbstick",
],
};
pub static SAMSUNG_ODYSSEY_CONTROLLER_PROFILE: InteractionProfile = InteractionProfile {
profile_type: InteractionProfileType::SamsungOdysseyController,
path: "/interaction_profiles/samsung/odyssey_controller",
required_extension: Some(EXT_SAMSUNG_ODYSSEY_CONTROLLER_EXTENSION_NAME),
standard_buttons: &[
"trigger/value",
"squeeze/click",
"trackpad/click",
"thumbstick/click",
],
standard_axes: &["trackpad/x", "trackpad/y", "thumbstick/x", "thumbstick/y"],
left_buttons: &[],
right_buttons: &[],
profiles: &[
"samsung-odyssey",
"microsoft-mixed-reality",
"generic-trigger-squeeze-touchpad-thumbstick",
],
};
pub static VALVE_INDEX_CONTROLLER_PROFILE: InteractionProfile = InteractionProfile {
profile_type: InteractionProfileType::ValveIndexController,
path: "/interaction_profiles/valve/index_controller",
required_extension: None,
standard_buttons: &["trigger/value", "squeeze/value", "", "thumbstick/click"],
standard_axes: &["trackpad/x", "trackpad/y", "thumbstick/x", "thumbstick/y"],
left_buttons: &["a/click", "b/click"],
right_buttons: &["a/click", "b/click"],
profiles: &["valve-index", "generic-trigger-squeeze-touchpad-thumbstick"],
};
pub static EXT_HAND_INTERACTION_PROFILE: InteractionProfile = InteractionProfile {
profile_type: InteractionProfileType::ExtHandInteraction,
path: "/interaction_profiles/ext/hand_interaction_ext",
required_extension: Some(EXT_HAND_INTERACTION_EXTENSION_NAME),
standard_buttons: &["pinch_ext/value", "", "", ""],
standard_axes: &["", "", "", ""],
left_buttons: &[],
right_buttons: &[],
profiles: &["generic-hand-select", "generic-hand"],
};
pub static FB_HAND_TRACKING_AIM_PROFILE: InteractionProfile = InteractionProfile {
profile_type: InteractionProfileType::FbHandTrackingAim,
path: "",
required_extension: Some(FB_HAND_TRACKING_AIM_EXTENSION_NAME),
standard_buttons: &["", "", "", ""],
standard_axes: &["", "", "", ""],
left_buttons: &[],
right_buttons: &[],
profiles: &["generic-hand-select", "generic-hand"],
};
pub static INTERACTION_PROFILES: [InteractionProfile; 22] = [
KHR_SIMPLE_CONTROLLER_PROFILE,
BYTEDANCE_PICO_NEO3_CONTROLLER_PROFILE,
BYTEDANCE_PICO_4_CONTROLLER_PROFILE,
BYTEDANCE_PICO_G3_CONTROLLER_PROFILE,
GOOGLE_DAYDREAM_CONTROLLER_PROFILE,
HP_MIXED_REALITY_MOTION_CONTROLLER_PROFILE,
HTC_VIVE_CONTROLLER_PROFILE,
HTC_VIVE_COSMOS_CONTROLLER_PROFILE,
HTC_VIVE_FOCUS3_CONTROLLER_PROFILE,
MAGIC_LEAP_2_CONTROLLER_PROFILE,
MICROSOFT_MIXED_REALITY_MOTION_CONTROLLER_PROFILE,
OCULUS_GO_CONTROLLER_PROFILE,
OCULUS_TOUCH_CONTROLLER_PROFILE,
FACEBOOK_TOUCH_CONTROLLER_PRO_PROFILE,
META_TOUCH_CONTROLLER_PLUS_PROFILE,
META_TOUCH_CONTROLLER_RIFT_CV1_PROFILE,
META_TOUCH_CONTROLLER_QUEST_1_RIFT_S_PROFILE,
META_TOUCH_CONTROLLER_QUEST_2_PROFILE,
SAMSUNG_ODYSSEY_CONTROLLER_PROFILE,
VALVE_INDEX_CONTROLLER_PROFILE,
EXT_HAND_INTERACTION_PROFILE,
FB_HAND_TRACKING_AIM_PROFILE,
];
pub fn get_profiles_from_path(path: String) -> &'static [&'static str] {
INTERACTION_PROFILES
.iter()
.find(|profile| profile.path == path)
.map_or(&[], |profile| profile.profiles)
}
pub fn get_supported_interaction_profiles(
supported_extensions: &ExtensionSet,
enabled_extensions: &mut ExtensionSet,
) -> Vec<&'static str> {
let mut extensions = Vec::new();
if supported_extensions.bd_controller_interaction {
extensions.push(ext_string!(BD_CONTROLLER_INTERACTION_EXTENSION_NAME));
enabled_extensions.bd_controller_interaction = true;
}
if supported_extensions.ext_hp_mixed_reality_controller {
extensions.push(ext_string!(EXT_HP_MIXED_REALITY_CONTROLLER_EXTENSION_NAME));
enabled_extensions.ext_hp_mixed_reality_controller = true;
}
if supported_extensions.ext_samsung_odyssey_controller {
extensions.push(ext_string!(EXT_SAMSUNG_ODYSSEY_CONTROLLER_EXTENSION_NAME));
enabled_extensions.ext_samsung_odyssey_controller = true;
}
if supported_extensions.ml_ml2_controller_interaction {
extensions.push(ext_string!(ML_ML2_CONTROLLER_INTERACTION_EXTENSION_NAME));
enabled_extensions.ml_ml2_controller_interaction = true;
}
if supported_extensions.htc_vive_cosmos_controller_interaction {
extensions.push(ext_string!(
HTC_VIVE_COSMOS_CONTROLLER_INTERACTION_EXTENSION_NAME
));
enabled_extensions.htc_vive_cosmos_controller_interaction = true;
}
if supported_extensions.htc_vive_focus3_controller_interaction {
extensions.push(ext_string!(
HTC_VIVE_FOCUS3_CONTROLLER_INTERACTION_EXTENSION_NAME
));
enabled_extensions.htc_vive_focus3_controller_interaction = true;
}
if supported_extensions.fb_touch_controller_pro {
extensions.push(ext_string!(FB_TOUCH_CONTROLLER_PRO_EXTENSION_NAME));
enabled_extensions.fb_touch_controller_pro = true;
}
if supported_extensions.meta_touch_controller_plus {
extensions.push(ext_string!(META_TOUCH_CONTROLLER_PLUS_EXTENSION_NAME));
enabled_extensions.meta_touch_controller_plus = true;
}
if supported_extensions.ext_hand_interaction {
extensions.push(ext_string!(EXT_HAND_INTERACTION_EXTENSION_NAME));
enabled_extensions.ext_hand_interaction = true;
}
if supported_extensions.fb_hand_tracking_aim {
extensions.push(ext_string!(FB_HAND_TRACKING_AIM_EXTENSION_NAME));
enabled_extensions.fb_hand_tracking_aim = true;
}
extensions
}

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