xrt_defines.h

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// Copyright 2019-2024, Collabora, Ltd.
// Copyright 2024-2026, NVIDIA CORPORATION.
// SPDX-License-Identifier: BSL-1.0
/*!
 * @file
 * @brief  Common defines and enums for XRT.
 * @author Jakob Bornecrantz <jakob@collabora.com>
 * @author Moshi Turner <moshiturner@protonmail.com>
 * @author Nis Madsen <nima_zero_one@protonmail.com>
 * @author Korcan Hussein <korcan.hussein@collabora.com>
 * @ingroup xrt_iface
 */
 
#pragma once
 
#include "xrt/xrt_compiler.h"
#include "xrt/xrt_results.h"
 
#include <assert.h>
#include <stdio.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
/*!
 * Internal define for VK_UUID_SIZE and XR_UUID_SIZE_EXT.
 *
 * @ingroup xrt_iface
 */
#define XRT_UUID_SIZE 16
 
/*!
 * To transport UUIDs between different APIs.
 *
 * @ingroup xrt_iface
 */
struct xrt_uuid
{
        uint8_t data[XRT_UUID_SIZE];
};
 
/*!
 * Typedef for @ref xrt_uuid.
 *
 * @ingroup xrt_iface
 */
typedef struct xrt_uuid xrt_uuid_t;
 
/*!
 * Internal define for VK_LUID_SIZE.
 *
 * @ingroup xrt_iface
 */
#define XRT_LUID_SIZE 8
 
/*!
 * To transport LUIDs between different APIs.
 *
 * @ingroup xrt_iface
 */
struct xrt_luid
{
        uint8_t data[XRT_LUID_SIZE];
};
 
/*!
 * Typedef for @ref xrt_luid.
 *
 * @ingroup xrt_iface
 */
typedef struct xrt_luid xrt_luid_t;
 
/*!
 * A limited unique id, it is only unique for the process it is in, so must not be
 * used or synchronized across process boundaries. A value of zero is invalid
 * and means it has not be properly initialised.
 *
 * @ingroup xrt_iface
 */
struct xrt_limited_unique_id
{
        uint64_t data;
};
 
/*!
 * Typedef for @ref xrt_limited_unique_id.
 *
 * @ingroup xrt_iface
 */
typedef struct xrt_limited_unique_id xrt_limited_unique_id_t;
 
/*!
 * A base class for reference counted objects.
 *
 * @ingroup xrt_iface
 */
struct xrt_reference
{
        xrt_atomic_s32_t count;
};
 
/*!
 * Blend mode that the device supports, exact mirror of XrEnvironmentBlendMode.
 *
 * This is not a bitmask because we want to be able to express a preference order
 * that may vary by device, etc.
 *
 * @ingroup xrt_iface
 */
enum xrt_blend_mode
{
        XRT_BLEND_MODE_OPAQUE = 1,
        XRT_BLEND_MODE_ADDITIVE = 2,
        XRT_BLEND_MODE_ALPHA_BLEND = 3,
        XRT_BLEND_MODE_MAX_ENUM,
};
 
#define XRT_MAX_DEVICE_BLEND_MODES 3
 
/*!
 * Special flags for creating passthrough.
 */
enum xrt_passthrough_create_flags
{
        //! Start the passthrough on creation
        XRT_PASSTHROUGH_IS_RUNNING_AT_CREATION = (1 << 0),
        //! Our compositor just ignores this bit.
        XRT_PASSTHROUGH_LAYER_DEPTH = (1 << 1),
};
 
/*!
 * Specify additional state change behavior.
 */
enum xrt_passthrough_state
{
        //! Passthrough system requires reinitialization.
        XRT_PASSTHROUGH_STATE_CHANGED_REINIT_REQUIRED_BIT = (1 << 0),
        //! Non-recoverable error has occurred.
        XRT_PASSTHROUGH_STATE_CHANGED_NON_RECOVERABLE_ERROR_BIT = (1 << 1),
        //! A recoverable error has occurred.
        XRT_PASSTHROUGH_STATE_CHANGED_RECOVERABLE_ERROR_BIT = (1 << 2),
        //! The runtime has recovered from a previous error and is functioning normally.
        XRT_PASSTHROUGH_STATE_CHANGED_RESTORED_ERROR_BIT = (1 << 3),
};
 
/*!
 * Specify the kind of passthrough behavior the layer provides.
 */
enum xrt_passthrough_purpose_flags
{
        //! Fullscreen layer
        XRT_PASSTHROUGH_LAYER_PURPOSE_RECONSTRUCTION = (1 << 0),
        //! Projected layer.
        XRT_PASSTHROUGH_LAYER_PURPOSE_PROJECTED = (1 << 1),
        //! Provided by XR_FB_passthrough_keyboard_hands
        XRT_PASSTHROUGH_LAYER_PURPOSE_TRACKED_KEYBOARD_HANDS = 1000203001,
        //! Provided by XR_FB_passthrough_keyboard_hands
        XRT_PASSTHROUGH_LAYER_PURPOSE_TRACKED_KEYBOARD_MASKED_HANDS = 1000203002,
};
 
/*!
 * Which distortion model does the device expose,
 * used both as a bitfield and value.
 */
enum xrt_distortion_model
{
        // clang-format off
        XRT_DISTORTION_MODEL_NONE      = 1u << 0u,
        XRT_DISTORTION_MODEL_COMPUTE   = 1u << 1u,
        XRT_DISTORTION_MODEL_MESHUV    = 1u << 2u,
        // clang-format on
};
 
/*!
 * Screen scanout direction
 */
enum xrt_scanout_direction
{
        // clang-format off
        XRT_SCANOUT_DIRECTION_NONE = 0,
        XRT_SCANOUT_DIRECTION_TOP_TO_BOTTOM,
        XRT_SCANOUT_DIRECTION_BOTTOM_TO_TOP,
        XRT_SCANOUT_DIRECTION_LEFT_TO_RIGHT,
        XRT_SCANOUT_DIRECTION_RIGHT_TO_LEFT,
        // clang-format on
};
 
/*!
 * Common formats, use `u_format_*` functions to reason about them.
 */
enum xrt_format
{
        XRT_FORMAT_R8G8B8X8,
        XRT_FORMAT_R8G8B8A8,
        XRT_FORMAT_R8G8B8,
        XRT_FORMAT_R8G8,
        XRT_FORMAT_R8,
 
        XRT_FORMAT_BAYER_GR8,
 
        XRT_FORMAT_L8, // Luminence, R = L, G = L, B = L.
 
        XRT_FORMAT_BITMAP_8X1, // One bit format tiled in 8x1 blocks.
        XRT_FORMAT_BITMAP_8X8, // One bit format tiled in 8X8 blocks.
 
        XRT_FORMAT_YUV888,
        XRT_FORMAT_YUYV422,
        XRT_FORMAT_UYVY422,
 
        XRT_FORMAT_MJPEG,
 
        XRT_FORMAT_BC4,
};
 
/*!
 * What type of stereo format a frame has.
 *
 * @ingroup xrt_iface
 */
enum xrt_stereo_format
{
        XRT_STEREO_FORMAT_NONE,
        XRT_STEREO_FORMAT_SBS,         //!< Side by side.
        XRT_STEREO_FORMAT_INTERLEAVED, //!< Interleaved pixels.
        XRT_STEREO_FORMAT_OAU,         //!< Over & Under.
};
 
/*!
 * A quaternion with single floats.
 *
 * @ingroup xrt_iface math
 */
struct xrt_quat
{
        float x;
        float y;
        float z;
        float w;
};
 
/*!
 * Identity value for @ref xrt_quat
 *
 * @ingroup xrt_iface math
 * @relates xrt_quat
 */
// clang-format off
#define XRT_QUAT_IDENTITY {0.f, 0.f, 0.f, 1.f}
// clang-format on
 
/*!
 * A 1 element vector with single floats.
 *
 * @ingroup xrt_iface math
 */
struct xrt_vec1
{
        float x;
};
 
/*!
 * A 2 element vector with single floats.
 *
 * @ingroup xrt_iface math
 */
struct xrt_vec2
{
        float x;
        float y;
};
 
/*!
 * Represents a uv triplet for distortion, basically just three xrt_vec2.
 *
 * @ingroup xrt_iface_math
 */
struct xrt_uv_triplet
{
        struct xrt_vec2 r, g, b;
};
 
/*!
 * A 3 element vector with single floats.
 *
 * @ingroup xrt_iface math
 */
struct xrt_vec3
{
        float x;
        float y;
        float z;
};
 
/*!
 * A 3 element vector with single doubles.
 *
 * @ingroup xrt_iface math
 */
struct xrt_vec3_f64
{
        double x;
        double y;
        double z;
};
 
/*!
 * All-zero value for @ref xrt_vec3
 *
 * @ingroup xrt_iface math
 * @relates xrt_vec3
 */
// clang-format off
#define XRT_VEC3_ZERO {0.f, 0.f, 0.f}
// clang-format on
/*!
 * Value for @ref xrt_vec3 with 1 in the @p x coordinate.
 *
 * @ingroup xrt_iface math
 * @relates xrt_vec3
 */
// clang-format off
#define XRT_VEC3_UNIT_X {1.f, 0.f, 0.f}
// clang-format on
/*!
 * Value for @ref xrt_vec3 with 1 in the @p y coordinate.
 *
 * @ingroup xrt_iface math
 * @relates xrt_vec3
 */
// clang-format off
#define XRT_VEC3_UNIT_Y {0.f, 1.f, 0.f}
// clang-format on
/*!
 * Value for @ref xrt_vec3 with 1 in the @p z coordinate.
 *
 * @ingroup xrt_iface math
 * @relates xrt_vec3
 */
// clang-format off
#define XRT_VEC3_UNIT_Z {0.f, 0.f, 1.f}
// clang-format on
 
/*!
 * A 3 element vector with 32 bit integers.
 *
 * @ingroup xrt_iface math
 */
struct xrt_vec3_i32
{
        int32_t x;
        int32_t y;
        int32_t z;
};
 
/*!
 * A 2 element vector with 32 bit integers.
 *
 * @ingroup xrt_iface math
 */
struct xrt_vec2_i32
{
        int32_t x;
        int32_t y;
};
 
/*!
 * A 3 element colour with 8 bits per channel.
 *
 * @ingroup xrt_iface math
 */
struct xrt_colour_rgb_u8
{
        uint8_t r;
        uint8_t g;
        uint8_t b;
};
 
/*!
 * A 4 element colour with 8 bits per channel.
 *
 * @ingroup xrt_iface math
 */
struct xrt_colour_rgba_u8
{
        uint8_t r;
        uint8_t g;
        uint8_t b;
        uint8_t a;
};
 
/*!
 * A 3 element colour with floating point channels.
 *
 * @ingroup xrt_iface math
 */
struct xrt_colour_rgb_f32
{
        float r;
        float g;
        float b;
};
 
/*!
 * A 4 element colour with floating point channels.
 *
 * @ingroup xrt_iface math
 */
struct xrt_colour_rgba_f32
{
        float r;
        float g;
        float b;
        float a;
};
 
/*!
 * Image size.
 *
 * @ingroup xrt_iface math
 */
struct xrt_size
{
        int w;
        int h;
};
 
/*!
 * Image offset.
 *
 * @ingroup xrt_iface math
 */
struct xrt_offset
{
        int w, h;
};
 
/*!
 * Image rectangle.
 *
 * @ingroup xrt_iface math
 */
struct xrt_rect
{
        struct xrt_offset offset;
        struct xrt_size extent;
};
 
/*!
 * Image rectangle
 *
 * @todo Unify xrt_rect and xrt_rect_f32 field names
 *
 * @ingroup xrt_iface math
 */
struct xrt_rect_f32
{
        float x, y, w, h;
};
 
/*!
 * Normalized image rectangle, coordinates and size in 0 .. 1 range.
 *
 * @ingroup xrt_iface math
 */
struct xrt_normalized_rect
{
        float x, y, w, h;
};
 
/*!
 * A pose composed of a position and orientation.
 *
 * @see xrt_qaut
 * @see xrt_vec3
 * @ingroup xrt_iface math
 */
struct xrt_pose
{
        struct xrt_quat orientation;
        struct xrt_vec3 position;
};
/*!
 * Identity value for @ref xrt_pose
 *
 * @ingroup xrt_iface math
 * @relates xrt_pose
 */
// clang-format off
#define XRT_POSE_IDENTITY {XRT_QUAT_IDENTITY, XRT_VEC3_ZERO}
// clang-format on
 
/*!
 * Describes a projection matrix fov.
 *
 * @ingroup xrt_iface math
 */
struct xrt_fov
{
        float angle_left;
        float angle_right;
        float angle_up;
        float angle_down;
};
 
/*!
 * The number of values in @ref xrt_matrix_2x2
 *
 * @ingroup xrt_iface math
 */
#define XRT_MATRIX_2X2_ELEMENTS 4
 
/*!
 * The number of 2d vectors in @ref xrt_matrix_2x2
 *
 * @ingroup xrt_iface math
 */
#define XRT_MATRIX_2X2_VECS 2
 
/*!
 * A tightly packed 2x2 matrix of floats.
 *
 * @ingroup xrt_iface math
 */
struct xrt_matrix_2x2
{
        union {
                float v[XRT_MATRIX_2X2_ELEMENTS];
                struct xrt_vec2 vecs[XRT_MATRIX_2X2_VECS];
        };
};
 
/*!
 * The number of values in @ref xrt_matrix_3x3
 *
 * @ingroup xrt_iface math
 */
#define XRT_MATRIX_3X3_ELEMENTS 9
 
/*!
 * A tightly packed 3x3 matrix of floats.
 *
 * @ingroup xrt_iface math
 */
struct xrt_matrix_3x3
{
        float v[XRT_MATRIX_3X3_ELEMENTS];
};
 
/*!
 * A tightly packed 3x3 matrix of doubles.
 *
 * @ingroup xrt_iface math
 */
struct xrt_matrix_3x3_f64
{
        double v[XRT_MATRIX_3X3_ELEMENTS];
};
 
/*!
 * The number of values in a 4x4 matrix like @ref xrt_matrix_4x4 and @ref xrt_matrix_4x4_f64
 *
 * @ingroup xrt_iface math
 */
#define XRT_MATRIX_4X4_ELEMENTS 16
 
/*!
 * A tightly packed 4x4 matrix of floats.
 *
 * @ingroup xrt_iface math
 */
struct xrt_matrix_4x4
{
        float v[XRT_MATRIX_4X4_ELEMENTS];
};
 
/*!
 * A tightly packed 4x4 matrix of double.
 *
 * @ingroup xrt_iface math
 */
struct xrt_matrix_4x4_f64
{
        double v[XRT_MATRIX_4X4_ELEMENTS];
};
 
/*!
 * A range of API versions supported.
 *
 * @ingroup xrt_iface math
 */
struct xrt_api_requirements
{
        uint32_t min_major;
        uint32_t min_minor;
        uint32_t min_patch;
 
        uint32_t max_major;
        uint32_t max_minor;
        uint32_t max_patch;
};
 
/*!
 * Type of a OpenXR mapped reference space, maps to the semantic spaces on the
 * @ref xrt_space_overseer struct. This is used to refer to indirectly for
 * instance when letting the overseer know that an application is using a
 * particular reference space.
 *
 * @ingroup xrt_iface
 */
enum xrt_reference_space_type
{
        XRT_SPACE_REFERENCE_TYPE_VIEW,
        XRT_SPACE_REFERENCE_TYPE_LOCAL,
        XRT_SPACE_REFERENCE_TYPE_LOCAL_FLOOR,
        XRT_SPACE_REFERENCE_TYPE_STAGE,
        XRT_SPACE_REFERENCE_TYPE_UNBOUNDED,
};
 
/*!
 * The number of enumerations in @ref xrt_reference_space_type.
 *
 * @ingroup xrt_iface
 */
#define XRT_SPACE_REFERENCE_TYPE_COUNT (XRT_SPACE_REFERENCE_TYPE_UNBOUNDED + 1)
 
/*!
 * An invalid @ref xrt_reference_space_type, since it's invalid it's not listed
 * in the enum.
 *
 * @ingroup xrt_iface
 */
#define XRT_SPACE_REFERENCE_TYPE_INVALID ((enum xrt_reference_space_type)(-1))
 
/*!
 * Flags of which components of a @ref xrt_space_relation is valid.
 *
 * @see xrt_space_relation
 * @ingroup xrt_iface math
 */
enum xrt_space_relation_flags
{
        // clang-format off
        XRT_SPACE_RELATION_ORIENTATION_VALID_BIT =          (1u << 0u),
        XRT_SPACE_RELATION_POSITION_VALID_BIT =             (1u << 1u),
        XRT_SPACE_RELATION_LINEAR_VELOCITY_VALID_BIT =      (1u << 2u),
        XRT_SPACE_RELATION_ANGULAR_VELOCITY_VALID_BIT =     (1u << 3u),
        XRT_SPACE_RELATION_ORIENTATION_TRACKED_BIT =        (1u << 4u),
        XRT_SPACE_RELATION_POSITION_TRACKED_BIT =           (1u << 5u),
        // clang-format on
        XRT_SPACE_RELATION_BITMASK_ALL = (uint32_t)XRT_SPACE_RELATION_ORIENTATION_VALID_BIT |      //
                                         (uint32_t)XRT_SPACE_RELATION_POSITION_VALID_BIT |         //
                                         (uint32_t)XRT_SPACE_RELATION_LINEAR_VELOCITY_VALID_BIT |  //
                                         (uint32_t)XRT_SPACE_RELATION_ANGULAR_VELOCITY_VALID_BIT | //
                                         (uint32_t)XRT_SPACE_RELATION_ORIENTATION_TRACKED_BIT |    //
                                         (uint32_t)XRT_SPACE_RELATION_POSITION_TRACKED_BIT,
        XRT_SPACE_RELATION_BITMASK_NONE = 0,
};
 
/*!
 * A relation with two spaces, includes velocity and acceleration.
 *
 * @see xrt_quat
 * @see xrt_vec3
 * @see xrt_pose
 * @see xrt_space_relation_flags
 * @ingroup xrt_iface math
 */
struct xrt_space_relation
{
        enum xrt_space_relation_flags relation_flags;
        struct xrt_pose pose;
        struct xrt_vec3 linear_velocity;
        struct xrt_vec3 angular_velocity;
};
 
/*!
 * A zero/identity value for @ref xrt_space_relation
 *
 * @note Despite this initializing all members (to zero or identity), this sets the xrt_space_relation::relation_flags
 * to XRT_SPACE_RELATION_BITMASK_NONE - so this is safe to assign before an error return, etc.
 *
 * @ingroup xrt_iface math
 * @relates xrt_space_relation
 */
// clang-format off
#define XRT_SPACE_RELATION_ZERO {XRT_SPACE_RELATION_BITMASK_NONE, XRT_POSE_IDENTITY, XRT_VEC3_ZERO, XRT_VEC3_ZERO}
// clang-format on
 
/*!
 * The maximum number of steps that can be in a relation chain.
 *
 * @see xrt_relation_chain::steps
 * @relates xrt_relation_chain
 * @ingroup xrt_iface math
 */
#define XRT_RELATION_CHAIN_CAPACITY 8
 
/*!
 * A chain of space relations and their associated validity flags.
 * Functions for manipulating this are available in `math/m_space.h`.
 *
 * @see xrt_space_relation
 * @ingroup xrt_iface math
 */
struct xrt_relation_chain
{
        struct xrt_space_relation steps[XRT_RELATION_CHAIN_CAPACITY];
        uint32_t step_count;
};
 
 
/*
 *
 * Input related enums and structs.
 *
 */
 
/*!
 * A enum that is used to name devices so that the
 * state trackers can reason about the devices easier.
 */
enum xrt_device_name
{
        XRT_DEVICE_INVALID,
 
        XRT_DEVICE_GENERIC_HMD,
 
        // Vive stuff.
        XRT_DEVICE_VIVE_PRO,
        XRT_DEVICE_VIVE_WAND,
        XRT_DEVICE_VIVE_TRACKER, // Generic, only used for bindings.
        XRT_DEVICE_VIVE_TRACKER_GEN1,
        XRT_DEVICE_VIVE_TRACKER_GEN2,
        XRT_DEVICE_VIVE_TRACKER_GEN3,
        XRT_DEVICE_VIVE_TRACKER_TUNDRA,
 
        // "Controllers" somewhat sorted as listed in spec.
        XRT_DEVICE_SIMPLE_CONTROLLER,
        XRT_DEVICE_DAYDREAM,
        XRT_DEVICE_WMR_CONTROLLER,
        XRT_DEVICE_XBOX_CONTROLLER,
        XRT_DEVICE_GO_CONTROLLER,
        XRT_DEVICE_TOUCH_CONTROLLER,
        XRT_DEVICE_INDEX_CONTROLLER,
 
        XRT_DEVICE_HP_REVERB_G2_CONTROLLER,
        XRT_DEVICE_SAMSUNG_ODYSSEY_CONTROLLER,
        XRT_DEVICE_ML2_CONTROLLER,
        XRT_DEVICE_OPPO_MR_CONTROLLER,
 
        XRT_DEVICE_HAND_INTERACTION,
 
        XRT_DEVICE_EYE_GAZE_INTERACTION,
 
        XRT_DEVICE_PSMV,
        XRT_DEVICE_PSSENSE,
        XRT_DEVICE_HYDRA,
        XRT_DEVICE_RIFT_REMOTE,
        XRT_DEVICE_BLUBUR_S1,
        XRT_DEVICE_PSVR2,
        XRT_DEVICE_FLIPVR,
 
        // Other misc stuff.
        XRT_DEVICE_HAND_TRACKER,
        XRT_DEVICE_REALSENSE,
        XRT_DEVICE_DEPTHAI,
 
        //! XR_EXT_hand_interaction
        XRT_DEVICE_EXT_HAND_INTERACTION,
 
        //! XR_ANDROID_face_tracking
        XRT_DEVICE_ANDROID_FACE_TRACKING,
 
        //! XR_HTC_facial_tracking
        XRT_DEVICE_HTC_FACE_TRACKING,
 
        //! XR_FB_body_tracking
        XRT_DEVICE_FB_BODY_TRACKING,
 
        //! XR_FB_face_tracking2
        XRT_DEVICE_FB_FACE_TRACKING2,
 
        // added in OpenXR 1.1
        XRT_DEVICE_PICO_NEO3_CONTROLLER,
        XRT_DEVICE_PICO4_CONTROLLER,
        XRT_DEVICE_PICO_G3_CONTROLLER,
 
        XRT_DEVICE_VIVE_COSMOS_CONTROLLER,
        XRT_DEVICE_VIVE_FOCUS3_CONTROLLER,
 
        XRT_DEVICE_TOUCH_PRO_CONTROLLER,
        XRT_DEVICE_TOUCH_PLUS_CONTROLLER,
        XRT_DEVICE_TOUCH_CONTROLLER_RIFT_CV1,
        XRT_DEVICE_TOUCH_CONTROLLER_QUEST_1_RIFT_S,
        XRT_DEVICE_TOUCH_CONTROLLER_QUEST_2,
 
        // Hand based controller emulation.
        XRT_DEVICE_HAND_CTRL_EMU,
};
 
/*!
 * How an xrt_device can be used.
 *
 * @ingroup xrt_iface
 */
enum xrt_device_type
{
        XRT_DEVICE_TYPE_UNKNOWN = 0,
        XRT_DEVICE_TYPE_HMD,
        XRT_DEVICE_TYPE_RIGHT_HAND_CONTROLLER,
        XRT_DEVICE_TYPE_LEFT_HAND_CONTROLLER,
        XRT_DEVICE_TYPE_ANY_HAND_CONTROLLER,
        XRT_DEVICE_TYPE_GAMEPAD,
        XRT_DEVICE_TYPE_GENERIC_TRACKER,
        XRT_DEVICE_TYPE_HAND_TRACKER,
        XRT_DEVICE_TYPE_EYE_TRACKER,
        XRT_DEVICE_TYPE_FACE_TRACKER,
        XRT_DEVICE_TYPE_BODY_TRACKER,
};
 
/*!
 * Base type of this inputs.
 *
 * @ingroup xrt_iface
 */
enum xrt_input_type
{
        // clang-format off
        //! Float input in [0, 1]
        XRT_INPUT_TYPE_VEC1_ZERO_TO_ONE      = 0x00,
        //! Float input in [-1, 1]
        XRT_INPUT_TYPE_VEC1_MINUS_ONE_TO_ONE = 0x01,
        //! Vec2 input, components in [-1, 1]
        XRT_INPUT_TYPE_VEC2_MINUS_ONE_TO_ONE = 0x02,
        //! Vec3 input, components in [-1, 1]
        XRT_INPUT_TYPE_VEC3_MINUS_ONE_TO_ONE = 0x03,
        //! Boolean (digital, binary) input
        XRT_INPUT_TYPE_BOOLEAN               = 0x04,
        //! A tracked pose
        XRT_INPUT_TYPE_POSE                  = 0x05,
        //! A tracked hand
        XRT_INPUT_TYPE_HAND_TRACKING         = 0x06,
        //! A tracked face
        XRT_INPUT_TYPE_FACE_TRACKING         = 0x07,
        //! A tracked body
        XRT_INPUT_TYPE_BODY_TRACKING         = 0x08,
        // clang-format on
};
 
/*!
 * The number of bits reserved for the input type in @ref xrt_input_name
 *
 * @see xrt_input_name
 * @ingroup xrt_iface
 */
#define XRT_INPUT_TYPE_BITWIDTH 8u
 
/*!
 * The mask associated with @ref XRT_INPUT_TYPE_BITWIDTH
 *
 * @see xrt_input_name
 * @ingroup xrt_iface
 */
 
#define XRT_INPUT_TYPE_BITMASK 0xffu
 
/*!
 * @brief Create an enum value for xrt_input_name that packs an ID and input
 * type.
 *
 * @param id an integer
 * @param type The suffix of an xrt_input_type value name: `XRT_INPUT_TYPE_` is
 * prepended automatically.
 *
 * @see xrt_input_name
 * @ingroup xrt_iface
 */
#define XRT_INPUT_NAME(id, type) ((UINT32_C(id) << XRT_INPUT_TYPE_BITWIDTH) | (uint32_t)XRT_INPUT_TYPE_##type)
 
/*!
 * @brief Extract the xrt_input_type from an xrt_input_name.
 *
 * @param name An xrt_input_name value
 *
 * @relates xrt_input_name
 * @returns @ref xrt_input_type
 * @ingroup xrt_iface
 */
#define XRT_GET_INPUT_TYPE(name) ((enum xrt_input_type)(name & XRT_INPUT_TYPE_BITMASK))
 
/*!
 * @brief Extract the xrt_input_name id from an xrt_input_name.
 *
 * @param name An xrt_input_name value
 *
 * @relates xrt_input_name
 * @returns @ref xrt_input_type
 * @ingroup xrt_iface
 */
#define XRT_GET_INPUT_ID(name) ((uint32_t)(name >> XRT_INPUT_TYPE_BITWIDTH))
 
/*!
 * Every internal input source known to monado with a baked in type.
 * Values are maintained in XRT_INPUT_LIST.
 *
 * @see xrt_input_type
 * @ingroup xrt_iface
 */
enum xrt_input_name
{
        // clang-format off
        //! Standard pose used for rendering
        XRT_INPUT_GENERIC_HEAD_POSE                                 = XRT_INPUT_NAME(0x0000, POSE),
        XRT_INPUT_GENERIC_HEAD_DETECT                               = XRT_INPUT_NAME(0x0001, BOOLEAN),
        XRT_INPUT_HT_UNOBSTRUCTED_LEFT                              = XRT_INPUT_NAME(0x0002, HAND_TRACKING),
        XRT_INPUT_HT_UNOBSTRUCTED_RIGHT                             = XRT_INPUT_NAME(0x0003, HAND_TRACKING),
        XRT_INPUT_HT_CONFORMING_LEFT                                = XRT_INPUT_NAME(0x0004, HAND_TRACKING),
        XRT_INPUT_HT_CONFORMING_RIGHT                               = XRT_INPUT_NAME(0x0005, HAND_TRACKING),
        XRT_INPUT_GENERIC_TRACKER_POSE                              = XRT_INPUT_NAME(0x0006, POSE),
        //! XR_EXT_palm_pose
        XRT_INPUT_GENERIC_PALM_POSE                                 = XRT_INPUT_NAME(0x0007, POSE),
 
        //! XR_EXT_eye_gaze_interaction
        XRT_INPUT_GENERIC_EYE_GAZE_POSE                             = XRT_INPUT_NAME(0x0008, POSE),
        // Standard non-view reference spaces
        XRT_INPUT_GENERIC_LOCAL_SPACE_POSE                          = XRT_INPUT_NAME(0x0009, POSE),
        XRT_INPUT_GENERIC_LOCAL_FLOOR_SPACE_POSE                    = XRT_INPUT_NAME(0x000A, POSE),
        XRT_INPUT_GENERIC_STAGE_SPACE_POSE                          = XRT_INPUT_NAME(0x000B, POSE),
        XRT_INPUT_GENERIC_UNBOUNDED_SPACE_POSE                      = XRT_INPUT_NAME(0x000C, POSE),
 
        XRT_INPUT_SIMPLE_SELECT_CLICK                               = XRT_INPUT_NAME(0x0010, BOOLEAN),
        XRT_INPUT_SIMPLE_MENU_CLICK                                 = XRT_INPUT_NAME(0x0011, BOOLEAN),
        XRT_INPUT_SIMPLE_GRIP_POSE                                  = XRT_INPUT_NAME(0x0012, POSE),
        XRT_INPUT_SIMPLE_AIM_POSE                                   = XRT_INPUT_NAME(0x0013, POSE),
 
        XRT_INPUT_PSMV_PS_CLICK                                     = XRT_INPUT_NAME(0x0020, BOOLEAN),
        XRT_INPUT_PSMV_MOVE_CLICK                                   = XRT_INPUT_NAME(0x0021, BOOLEAN),
        XRT_INPUT_PSMV_START_CLICK                                  = XRT_INPUT_NAME(0x0022, BOOLEAN),
        XRT_INPUT_PSMV_SELECT_CLICK                                 = XRT_INPUT_NAME(0x0023, BOOLEAN),
        XRT_INPUT_PSMV_SQUARE_CLICK                                 = XRT_INPUT_NAME(0x0024, BOOLEAN),
        XRT_INPUT_PSMV_CROSS_CLICK                                  = XRT_INPUT_NAME(0x0025, BOOLEAN),
        XRT_INPUT_PSMV_CIRCLE_CLICK                                 = XRT_INPUT_NAME(0x0026, BOOLEAN),
        XRT_INPUT_PSMV_TRIANGLE_CLICK                               = XRT_INPUT_NAME(0x0027, BOOLEAN),
        XRT_INPUT_PSMV_TRIGGER_VALUE                                = XRT_INPUT_NAME(0x0028, VEC1_ZERO_TO_ONE),
        XRT_INPUT_PSMV_GRIP_POSE                                    = XRT_INPUT_NAME(0x0029, POSE),
        XRT_INPUT_PSMV_AIM_POSE                                     = XRT_INPUT_NAME(0x002A, POSE),
        XRT_INPUT_PSMV_BODY_CENTER_POSE                             = XRT_INPUT_NAME(0x002B, POSE),
        XRT_INPUT_PSMV_BALL_CENTER_POSE                             = XRT_INPUT_NAME(0x002C, POSE),
 
        XRT_INPUT_HYDRA_1_CLICK                                     = XRT_INPUT_NAME(0x0030, BOOLEAN),
        XRT_INPUT_HYDRA_2_CLICK                                     = XRT_INPUT_NAME(0x0031, BOOLEAN),
        XRT_INPUT_HYDRA_3_CLICK                                     = XRT_INPUT_NAME(0x0032, BOOLEAN),
        XRT_INPUT_HYDRA_4_CLICK                                     = XRT_INPUT_NAME(0x0033, BOOLEAN),
        XRT_INPUT_HYDRA_MIDDLE_CLICK                                = XRT_INPUT_NAME(0x0034, BOOLEAN),
        XRT_INPUT_HYDRA_BUMPER_CLICK                                = XRT_INPUT_NAME(0x0035, BOOLEAN),
        XRT_INPUT_HYDRA_JOYSTICK_CLICK                              = XRT_INPUT_NAME(0x0036, BOOLEAN),
        XRT_INPUT_HYDRA_JOYSTICK_VALUE                              = XRT_INPUT_NAME(0x0037, VEC2_MINUS_ONE_TO_ONE),
        XRT_INPUT_HYDRA_TRIGGER_VALUE                               = XRT_INPUT_NAME(0x0038, VEC1_ZERO_TO_ONE),
        XRT_INPUT_HYDRA_AIM_POSE                                    = XRT_INPUT_NAME(0x0039, POSE),
        XRT_INPUT_HYDRA_GRIP_POSE                                   = XRT_INPUT_NAME(0x0040, POSE),
 
        XRT_INPUT_DAYDREAM_TOUCHPAD_CLICK                           = XRT_INPUT_NAME(0x0040, BOOLEAN),
        XRT_INPUT_DAYDREAM_BAR_CLICK                                = XRT_INPUT_NAME(0x0041, BOOLEAN),
        XRT_INPUT_DAYDREAM_CIRCLE_CLICK                             = XRT_INPUT_NAME(0x0042, BOOLEAN),
        XRT_INPUT_DAYDREAM_VOLUP_CLICK                              = XRT_INPUT_NAME(0x0043, BOOLEAN),
        XRT_INPUT_DAYDREAM_VOLDN_CLICK                              = XRT_INPUT_NAME(0x0044, BOOLEAN),
        XRT_INPUT_DAYDREAM_TOUCHPAD                                 = XRT_INPUT_NAME(0x0045, VEC2_MINUS_ONE_TO_ONE),
        XRT_INPUT_DAYDREAM_POSE                                     = XRT_INPUT_NAME(0x0046, POSE),
        XRT_INPUT_DAYDREAM_TOUCHPAD_TOUCH                           = XRT_INPUT_NAME(0x0047, BOOLEAN),
 
        XRT_INPUT_INDEX_SYSTEM_CLICK                                = XRT_INPUT_NAME(0x0050, BOOLEAN),
        XRT_INPUT_INDEX_SYSTEM_TOUCH                                = XRT_INPUT_NAME(0x0051, BOOLEAN),
        XRT_INPUT_INDEX_A_CLICK                                     = XRT_INPUT_NAME(0x0052, BOOLEAN),
        XRT_INPUT_INDEX_A_TOUCH                                     = XRT_INPUT_NAME(0x0053, BOOLEAN),
        XRT_INPUT_INDEX_B_CLICK                                     = XRT_INPUT_NAME(0x0054, BOOLEAN),
        XRT_INPUT_INDEX_B_TOUCH                                     = XRT_INPUT_NAME(0x0055, BOOLEAN),
        XRT_INPUT_INDEX_SQUEEZE_VALUE                               = XRT_INPUT_NAME(0x0056, VEC1_ZERO_TO_ONE),
        XRT_INPUT_INDEX_SQUEEZE_FORCE                               = XRT_INPUT_NAME(0x0057, VEC1_ZERO_TO_ONE),
        XRT_INPUT_INDEX_TRIGGER_CLICK                               = XRT_INPUT_NAME(0x0058, BOOLEAN),
        XRT_INPUT_INDEX_TRIGGER_VALUE                               = XRT_INPUT_NAME(0x0059, VEC1_ZERO_TO_ONE),
        XRT_INPUT_INDEX_TRIGGER_TOUCH                               = XRT_INPUT_NAME(0x005A, BOOLEAN),
        XRT_INPUT_INDEX_THUMBSTICK                                  = XRT_INPUT_NAME(0x005B, VEC2_MINUS_ONE_TO_ONE),
        XRT_INPUT_INDEX_THUMBSTICK_CLICK                            = XRT_INPUT_NAME(0x005D, BOOLEAN),
        XRT_INPUT_INDEX_THUMBSTICK_TOUCH                            = XRT_INPUT_NAME(0x005E, BOOLEAN),
        XRT_INPUT_INDEX_TRACKPAD                                    = XRT_INPUT_NAME(0x005F, VEC2_MINUS_ONE_TO_ONE),
        XRT_INPUT_INDEX_TRACKPAD_FORCE                              = XRT_INPUT_NAME(0x0061, VEC1_ZERO_TO_ONE),
        XRT_INPUT_INDEX_TRACKPAD_TOUCH                              = XRT_INPUT_NAME(0x0062, BOOLEAN),
        XRT_INPUT_INDEX_GRIP_POSE                                   = XRT_INPUT_NAME(0x0063, POSE),
        XRT_INPUT_INDEX_AIM_POSE                                    = XRT_INPUT_NAME(0x0064, POSE),
 
        XRT_INPUT_VIVE_SYSTEM_CLICK                                 = XRT_INPUT_NAME(0x0070, BOOLEAN),
        XRT_INPUT_VIVE_SQUEEZE_CLICK                                = XRT_INPUT_NAME(0x0071, BOOLEAN),
        XRT_INPUT_VIVE_MENU_CLICK                                   = XRT_INPUT_NAME(0x0072, BOOLEAN),
        XRT_INPUT_VIVE_TRIGGER_CLICK                                = XRT_INPUT_NAME(0x0073, BOOLEAN),
        XRT_INPUT_VIVE_TRIGGER_VALUE                                = XRT_INPUT_NAME(0x0074, VEC1_ZERO_TO_ONE),
        XRT_INPUT_VIVE_TRACKPAD                                     = XRT_INPUT_NAME(0x0075, VEC2_MINUS_ONE_TO_ONE),
        XRT_INPUT_VIVE_TRACKPAD_CLICK                               = XRT_INPUT_NAME(0x0076, BOOLEAN),
        XRT_INPUT_VIVE_TRACKPAD_TOUCH                               = XRT_INPUT_NAME(0x0077, BOOLEAN),
        XRT_INPUT_VIVE_GRIP_POSE                                    = XRT_INPUT_NAME(0x0078, POSE),
        XRT_INPUT_VIVE_AIM_POSE                                     = XRT_INPUT_NAME(0x0079, POSE),
 
        XRT_INPUT_VIVEPRO_SYSTEM_CLICK                              = XRT_INPUT_NAME(0x0080, BOOLEAN),
        XRT_INPUT_VIVEPRO_VOLUP_CLICK                               = XRT_INPUT_NAME(0x0081, BOOLEAN),
        XRT_INPUT_VIVEPRO_VOLDN_CLICK                               = XRT_INPUT_NAME(0x0082, BOOLEAN),
        XRT_INPUT_VIVEPRO_MUTE_MIC_CLICK                            = XRT_INPUT_NAME(0x0083, BOOLEAN),
 
        XRT_INPUT_WMR_MENU_CLICK                                    = XRT_INPUT_NAME(0x0090, BOOLEAN),
        XRT_INPUT_WMR_SQUEEZE_CLICK                                 = XRT_INPUT_NAME(0x0091, BOOLEAN),
        XRT_INPUT_WMR_TRIGGER_VALUE                                 = XRT_INPUT_NAME(0x0092, VEC1_ZERO_TO_ONE),
        XRT_INPUT_WMR_THUMBSTICK_CLICK                              = XRT_INPUT_NAME(0x0093, BOOLEAN),
        XRT_INPUT_WMR_THUMBSTICK                                    = XRT_INPUT_NAME(0x0094, VEC2_MINUS_ONE_TO_ONE),
        XRT_INPUT_WMR_TRACKPAD_CLICK                                = XRT_INPUT_NAME(0x0095, BOOLEAN),
        XRT_INPUT_WMR_TRACKPAD_TOUCH                                = XRT_INPUT_NAME(0x0096, BOOLEAN),
        XRT_INPUT_WMR_TRACKPAD                                      = XRT_INPUT_NAME(0x0097, VEC2_MINUS_ONE_TO_ONE),
        XRT_INPUT_WMR_GRIP_POSE                                     = XRT_INPUT_NAME(0x0098, POSE),
        XRT_INPUT_WMR_AIM_POSE                                      = XRT_INPUT_NAME(0x0099, POSE),
        XRT_INPUT_WMR_HOME_CLICK                                    = XRT_INPUT_NAME(0x009A, BOOLEAN),
 
        XRT_INPUT_XBOX_MENU_CLICK                                   = XRT_INPUT_NAME(0x00A0, BOOLEAN),
        XRT_INPUT_XBOX_VIEW_CLICK                                   = XRT_INPUT_NAME(0x00A1, BOOLEAN),
        XRT_INPUT_XBOX_A_CLICK                                      = XRT_INPUT_NAME(0x00A2, BOOLEAN),
        XRT_INPUT_XBOX_B_CLICK                                      = XRT_INPUT_NAME(0x00A3, BOOLEAN),
        XRT_INPUT_XBOX_X_CLICK                                      = XRT_INPUT_NAME(0x00A4, BOOLEAN),
        XRT_INPUT_XBOX_Y_CLICK                                      = XRT_INPUT_NAME(0x00A5, BOOLEAN),
        XRT_INPUT_XBOX_DPAD_DOWN_CLICK                              = XRT_INPUT_NAME(0x00A6, BOOLEAN),
        XRT_INPUT_XBOX_DPAD_RIGHT_CLICK                             = XRT_INPUT_NAME(0x00A7, BOOLEAN),
        XRT_INPUT_XBOX_DPAD_UP_CLICK                                = XRT_INPUT_NAME(0x00A8, BOOLEAN),
        XRT_INPUT_XBOX_DPAD_LEFT_CLICK                              = XRT_INPUT_NAME(0x00A9, BOOLEAN),
        XRT_INPUT_XBOX_SHOULDER_LEFT_CLICK                          = XRT_INPUT_NAME(0x00AA, BOOLEAN),
        XRT_INPUT_XBOX_SHOULDER_RIGHT_CLICK                         = XRT_INPUT_NAME(0x00AB, BOOLEAN),
        XRT_INPUT_XBOX_THUMBSTICK_LEFT_CLICK                        = XRT_INPUT_NAME(0x00AC, BOOLEAN),
        XRT_INPUT_XBOX_THUMBSTICK_LEFT                              = XRT_INPUT_NAME(0x00AD, VEC2_MINUS_ONE_TO_ONE),
        XRT_INPUT_XBOX_THUMBSTICK_RIGHT_CLICK                       = XRT_INPUT_NAME(0x00AE, BOOLEAN),
        XRT_INPUT_XBOX_THUMBSTICK_RIGHT                             = XRT_INPUT_NAME(0x00AF, VEC2_MINUS_ONE_TO_ONE),
        XRT_INPUT_XBOX_LEFT_TRIGGER_VALUE                           = XRT_INPUT_NAME(0x00B0, VEC1_ZERO_TO_ONE),
        XRT_INPUT_XBOX_RIGHT_TRIGGER_VALUE                          = XRT_INPUT_NAME(0x00B1, VEC1_ZERO_TO_ONE),
 
        XRT_INPUT_GO_SYSTEM_CLICK                                   = XRT_INPUT_NAME(0x00B0, BOOLEAN),
        XRT_INPUT_GO_TRIGGER_CLICK                                  = XRT_INPUT_NAME(0x00B1, BOOLEAN),
        XRT_INPUT_GO_BACK_CLICK                                     = XRT_INPUT_NAME(0x00B2, BOOLEAN),
        XRT_INPUT_GO_TRACKPAD_CLICK                                 = XRT_INPUT_NAME(0x00B3, BOOLEAN),
        XRT_INPUT_GO_TRACKPAD_TOUCH                                 = XRT_INPUT_NAME(0x00B4, BOOLEAN),
        XRT_INPUT_GO_TRACKPAD                                       = XRT_INPUT_NAME(0x00B5, VEC2_MINUS_ONE_TO_ONE),
        XRT_INPUT_GO_GRIP_POSE                                      = XRT_INPUT_NAME(0x00B6, POSE),
        XRT_INPUT_GO_AIM_POSE                                       = XRT_INPUT_NAME(0x00B7, POSE),
 
        XRT_INPUT_TOUCH_X_CLICK                                     = XRT_INPUT_NAME(0x00C0, BOOLEAN),
        XRT_INPUT_TOUCH_X_TOUCH                                     = XRT_INPUT_NAME(0x00C1, BOOLEAN),
        XRT_INPUT_TOUCH_Y_CLICK                                     = XRT_INPUT_NAME(0x00C2, BOOLEAN),
        XRT_INPUT_TOUCH_Y_TOUCH                                     = XRT_INPUT_NAME(0x00C3, BOOLEAN),
        XRT_INPUT_TOUCH_MENU_CLICK                                  = XRT_INPUT_NAME(0x00C4, BOOLEAN),
        XRT_INPUT_TOUCH_A_CLICK                                     = XRT_INPUT_NAME(0x00C5, BOOLEAN),
        XRT_INPUT_TOUCH_A_TOUCH                                     = XRT_INPUT_NAME(0x00C6, BOOLEAN),
        XRT_INPUT_TOUCH_B_CLICK                                     = XRT_INPUT_NAME(0x00C7, BOOLEAN),
        XRT_INPUT_TOUCH_B_TOUCH                                     = XRT_INPUT_NAME(0x00C8, BOOLEAN),
        XRT_INPUT_TOUCH_SYSTEM_CLICK                                = XRT_INPUT_NAME(0x00C9, BOOLEAN),
        XRT_INPUT_TOUCH_SQUEEZE_VALUE                               = XRT_INPUT_NAME(0x00CA, VEC1_ZERO_TO_ONE),
        XRT_INPUT_TOUCH_TRIGGER_TOUCH                               = XRT_INPUT_NAME(0x00CB, BOOLEAN),
        XRT_INPUT_TOUCH_TRIGGER_VALUE                               = XRT_INPUT_NAME(0x00CC, VEC1_ZERO_TO_ONE),
        XRT_INPUT_TOUCH_THUMBSTICK_CLICK                            = XRT_INPUT_NAME(0x00CD, BOOLEAN),
        XRT_INPUT_TOUCH_THUMBSTICK_TOUCH                            = XRT_INPUT_NAME(0x00CE, BOOLEAN),
        XRT_INPUT_TOUCH_THUMBSTICK                                  = XRT_INPUT_NAME(0x00CF, VEC2_MINUS_ONE_TO_ONE),
        XRT_INPUT_TOUCH_THUMBREST_TOUCH                             = XRT_INPUT_NAME(0x00D0, BOOLEAN),
        XRT_INPUT_TOUCH_GRIP_POSE                                   = XRT_INPUT_NAME(0x00D1, POSE),
        XRT_INPUT_TOUCH_AIM_POSE                                    = XRT_INPUT_NAME(0x00D2, POSE),
        XRT_INPUT_TOUCH_TRIGGER_PROXIMITY                           = XRT_INPUT_NAME(0x00D3, BOOLEAN),
        XRT_INPUT_TOUCH_THUMB_PROXIMITY                             = XRT_INPUT_NAME(0x00D4, BOOLEAN),
 
        XRT_INPUT_HAND_SELECT_VALUE                                 = XRT_INPUT_NAME(0x00E0, VEC1_ZERO_TO_ONE),
        XRT_INPUT_HAND_SQUEEZE_VALUE                                = XRT_INPUT_NAME(0x00E1, VEC1_ZERO_TO_ONE),
        XRT_INPUT_HAND_GRIP_POSE                                    = XRT_INPUT_NAME(0x00E2, POSE),
        XRT_INPUT_HAND_AIM_POSE                                     = XRT_INPUT_NAME(0x00E3, POSE),
 
        XRT_INPUT_G2_CONTROLLER_X_CLICK                             = XRT_INPUT_NAME(0x00F0, BOOLEAN),
        XRT_INPUT_G2_CONTROLLER_Y_CLICK                             = XRT_INPUT_NAME(0x00F1, BOOLEAN),
        XRT_INPUT_G2_CONTROLLER_A_CLICK                             = XRT_INPUT_NAME(0x00F2, BOOLEAN),
        XRT_INPUT_G2_CONTROLLER_B_CLICK                             = XRT_INPUT_NAME(0x00F3, BOOLEAN),
        XRT_INPUT_G2_CONTROLLER_MENU_CLICK                          = XRT_INPUT_NAME(0x00F4, BOOLEAN),
        XRT_INPUT_G2_CONTROLLER_SQUEEZE_VALUE                       = XRT_INPUT_NAME(0x00F5, VEC1_ZERO_TO_ONE),
        XRT_INPUT_G2_CONTROLLER_TRIGGER_VALUE                       = XRT_INPUT_NAME(0x00F6, VEC1_ZERO_TO_ONE),
        XRT_INPUT_G2_CONTROLLER_THUMBSTICK_CLICK                    = XRT_INPUT_NAME(0x00F7, BOOLEAN),
        XRT_INPUT_G2_CONTROLLER_THUMBSTICK                          = XRT_INPUT_NAME(0x00F8, VEC2_MINUS_ONE_TO_ONE),
        XRT_INPUT_G2_CONTROLLER_GRIP_POSE                           = XRT_INPUT_NAME(0x00F9, POSE),
        XRT_INPUT_G2_CONTROLLER_AIM_POSE                            = XRT_INPUT_NAME(0x00FA, POSE),
        XRT_INPUT_G2_CONTROLLER_HOME_CLICK                          = XRT_INPUT_NAME(0x00FB, BOOLEAN),
        XRT_INPUT_G2_CONTROLLER_SQUEEZE_CLICK                       = XRT_INPUT_NAME(0x00FC, BOOLEAN),
 
        XRT_INPUT_ODYSSEY_CONTROLLER_MENU_CLICK                     = XRT_INPUT_NAME(0x0100, BOOLEAN),
        XRT_INPUT_ODYSSEY_CONTROLLER_SQUEEZE_CLICK                  = XRT_INPUT_NAME(0x0101, BOOLEAN),
        XRT_INPUT_ODYSSEY_CONTROLLER_TRIGGER_VALUE                  = XRT_INPUT_NAME(0x0102, VEC1_ZERO_TO_ONE),
        XRT_INPUT_ODYSSEY_CONTROLLER_THUMBSTICK_CLICK               = XRT_INPUT_NAME(0x0103, BOOLEAN),
        XRT_INPUT_ODYSSEY_CONTROLLER_THUMBSTICK                     = XRT_INPUT_NAME(0x0104, VEC2_MINUS_ONE_TO_ONE),
        XRT_INPUT_ODYSSEY_CONTROLLER_TRACKPAD_CLICK                 = XRT_INPUT_NAME(0x0105, BOOLEAN),
        XRT_INPUT_ODYSSEY_CONTROLLER_TRACKPAD_TOUCH                 = XRT_INPUT_NAME(0x0106, BOOLEAN),
        XRT_INPUT_ODYSSEY_CONTROLLER_TRACKPAD                       = XRT_INPUT_NAME(0x0107, VEC2_MINUS_ONE_TO_ONE),
        XRT_INPUT_ODYSSEY_CONTROLLER_GRIP_POSE                      = XRT_INPUT_NAME(0x0108, POSE),
        XRT_INPUT_ODYSSEY_CONTROLLER_AIM_POSE                       = XRT_INPUT_NAME(0x0109, POSE),
        XRT_INPUT_ODYSSEY_CONTROLLER_HOME_CLICK                     = XRT_INPUT_NAME(0x010A, BOOLEAN),
 
        XRT_INPUT_ML2_CONTROLLER_MENU_CLICK                         = XRT_INPUT_NAME(0x0200, BOOLEAN),
        XRT_INPUT_ML2_CONTROLLER_SELECT_CLICK                       = XRT_INPUT_NAME(0x0201, BOOLEAN),
        XRT_INPUT_ML2_CONTROLLER_TRIGGER_CLICK                      = XRT_INPUT_NAME(0x0202, BOOLEAN),
        XRT_INPUT_ML2_CONTROLLER_TRIGGER_VALUE                      = XRT_INPUT_NAME(0x0203, VEC1_ZERO_TO_ONE),
        XRT_INPUT_ML2_CONTROLLER_TRACKPAD_CLICK                     = XRT_INPUT_NAME(0x0204, BOOLEAN),
        XRT_INPUT_ML2_CONTROLLER_TRACKPAD_TOUCH                     = XRT_INPUT_NAME(0x0205, BOOLEAN),
        XRT_INPUT_ML2_CONTROLLER_TRACKPAD_FORCE                     = XRT_INPUT_NAME(0x0206, VEC1_ZERO_TO_ONE),
        XRT_INPUT_ML2_CONTROLLER_TRACKPAD                           = XRT_INPUT_NAME(0x0207, VEC2_MINUS_ONE_TO_ONE),
        XRT_INPUT_ML2_CONTROLLER_GRIP_POSE                          = XRT_INPUT_NAME(0x0208, POSE),
        XRT_INPUT_ML2_CONTROLLER_AIM_POSE                           = XRT_INPUT_NAME(0x0209, POSE),
        XRT_INPUT_ML2_CONTROLLER_SHOULDER_CLICK                     = XRT_INPUT_NAME(0x020A, BOOLEAN),
 
        XRT_INPUT_VIVE_TRACKER_SYSTEM_CLICK                         = XRT_INPUT_NAME(0x0210, BOOLEAN),
        XRT_INPUT_VIVE_TRACKER_MENU_CLICK                           = XRT_INPUT_NAME(0x0211, BOOLEAN),
        XRT_INPUT_VIVE_TRACKER_TRIGGER_CLICK                        = XRT_INPUT_NAME(0x0212, BOOLEAN),
        XRT_INPUT_VIVE_TRACKER_SQUEEZE_CLICK                        = XRT_INPUT_NAME(0x0213, BOOLEAN),
        XRT_INPUT_VIVE_TRACKER_TRIGGER_VALUE                        = XRT_INPUT_NAME(0x0214, VEC1_ZERO_TO_ONE),
        XRT_INPUT_VIVE_TRACKER_TRACKPAD                             = XRT_INPUT_NAME(0x0215, VEC2_MINUS_ONE_TO_ONE),
        XRT_INPUT_VIVE_TRACKER_TRACKPAD_CLICK                       = XRT_INPUT_NAME(0x0216, BOOLEAN),
        XRT_INPUT_VIVE_TRACKER_TRACKPAD_TOUCH                       = XRT_INPUT_NAME(0x0217, BOOLEAN),
        XRT_INPUT_VIVE_TRACKER_GRIP_POSE                            = XRT_INPUT_NAME(0x0218, POSE),
 
        XRT_INPUT_PSSENSE_PS_CLICK                                  = XRT_INPUT_NAME(0x0300, BOOLEAN),
        XRT_INPUT_PSSENSE_SHARE_CLICK                               = XRT_INPUT_NAME(0x0301, BOOLEAN),
        XRT_INPUT_PSSENSE_OPTIONS_CLICK                             = XRT_INPUT_NAME(0x0302, BOOLEAN),
        XRT_INPUT_PSSENSE_SQUARE_CLICK                              = XRT_INPUT_NAME(0x0303, BOOLEAN),
        XRT_INPUT_PSSENSE_SQUARE_TOUCH                              = XRT_INPUT_NAME(0x0304, BOOLEAN),
        XRT_INPUT_PSSENSE_TRIANGLE_CLICK                            = XRT_INPUT_NAME(0x0305, BOOLEAN),
        XRT_INPUT_PSSENSE_TRIANGLE_TOUCH                            = XRT_INPUT_NAME(0x0306, BOOLEAN),
        XRT_INPUT_PSSENSE_CROSS_CLICK                               = XRT_INPUT_NAME(0x0307, BOOLEAN),
        XRT_INPUT_PSSENSE_CROSS_TOUCH                               = XRT_INPUT_NAME(0x0308, BOOLEAN),
        XRT_INPUT_PSSENSE_CIRCLE_CLICK                              = XRT_INPUT_NAME(0x0309, BOOLEAN),
        XRT_INPUT_PSSENSE_CIRCLE_TOUCH                              = XRT_INPUT_NAME(0x030a, BOOLEAN),
        XRT_INPUT_PSSENSE_SQUEEZE_CLICK                             = XRT_INPUT_NAME(0x030b, BOOLEAN),
        XRT_INPUT_PSSENSE_SQUEEZE_TOUCH                             = XRT_INPUT_NAME(0x030c, BOOLEAN),
        XRT_INPUT_PSSENSE_SQUEEZE_PROXIMITY                         = XRT_INPUT_NAME(0x030d, BOOLEAN),
        XRT_INPUT_PSSENSE_SQUEEZE_PROXIMITY_FLOAT                   = XRT_INPUT_NAME(0x030e, VEC1_ZERO_TO_ONE),
        XRT_INPUT_PSSENSE_TRIGGER_CLICK                             = XRT_INPUT_NAME(0x030f, BOOLEAN),
        XRT_INPUT_PSSENSE_TRIGGER_TOUCH                             = XRT_INPUT_NAME(0x0310, BOOLEAN),
        XRT_INPUT_PSSENSE_TRIGGER_VALUE                             = XRT_INPUT_NAME(0x0311, VEC1_ZERO_TO_ONE),
        XRT_INPUT_PSSENSE_TRIGGER_PROXIMITY                         = XRT_INPUT_NAME(0x0312, BOOLEAN),
        XRT_INPUT_PSSENSE_TRIGGER_PROXIMITY_FLOAT                   = XRT_INPUT_NAME(0x0313, VEC1_ZERO_TO_ONE),
        XRT_INPUT_PSSENSE_THUMBSTICK                                = XRT_INPUT_NAME(0x0314, VEC2_MINUS_ONE_TO_ONE),
        XRT_INPUT_PSSENSE_THUMBSTICK_CLICK                          = XRT_INPUT_NAME(0x0315, BOOLEAN),
        XRT_INPUT_PSSENSE_THUMBSTICK_TOUCH                          = XRT_INPUT_NAME(0x0316, BOOLEAN),
        XRT_INPUT_PSSENSE_GRIP_POSE                                 = XRT_INPUT_NAME(0x0317, POSE),
        XRT_INPUT_PSSENSE_AIM_POSE                                  = XRT_INPUT_NAME(0x0318, POSE),
 
        // XR_EXT_hand_interaction
        XRT_INPUT_HAND_PINCH_POSE                                   = XRT_INPUT_NAME(0x0401, POSE),
        XRT_INPUT_HAND_POKE_POSE                                    = XRT_INPUT_NAME(0x0402, POSE),
        XRT_INPUT_HAND_PINCH_VALUE                                  = XRT_INPUT_NAME(0x0403, VEC1_ZERO_TO_ONE),
        XRT_INPUT_HAND_AIM_ACTIVATE_VALUE                           = XRT_INPUT_NAME(0x0404, VEC1_ZERO_TO_ONE),
        XRT_INPUT_HAND_GRASP_VALUE                                  = XRT_INPUT_NAME(0x0405, VEC1_ZERO_TO_ONE),
        XRT_INPUT_HAND_PINCH_READY                                  = XRT_INPUT_NAME(0x0406, BOOLEAN),
        XRT_INPUT_HAND_AIM_ACTIVATE_READY                           = XRT_INPUT_NAME(0x0407, BOOLEAN),
        XRT_INPUT_HAND_GRASP_READY                                  = XRT_INPUT_NAME(0x0408, BOOLEAN),
 
        XRT_INPUT_OPPO_MR_X_CLICK                                   = XRT_INPUT_NAME(0x0500, BOOLEAN),
        XRT_INPUT_OPPO_MR_X_TOUCH                                   = XRT_INPUT_NAME(0x0501, BOOLEAN),
        XRT_INPUT_OPPO_MR_Y_CLICK                                   = XRT_INPUT_NAME(0x0502, BOOLEAN),
        XRT_INPUT_OPPO_MR_Y_TOUCH                                   = XRT_INPUT_NAME(0x0503, BOOLEAN),
        XRT_INPUT_OPPO_MR_MENU_CLICK                                = XRT_INPUT_NAME(0x0504, BOOLEAN),
        XRT_INPUT_OPPO_MR_HEART_RATE_VALUE                          = XRT_INPUT_NAME(0x0505, VEC1_ZERO_TO_ONE),
        XRT_INPUT_OPPO_MR_A_CLICK                                   = XRT_INPUT_NAME(0x0506, BOOLEAN),
        XRT_INPUT_OPPO_MR_A_TOUCH                                   = XRT_INPUT_NAME(0x0507, BOOLEAN),
        XRT_INPUT_OPPO_MR_B_CLICK                                   = XRT_INPUT_NAME(0x0508, BOOLEAN),
        XRT_INPUT_OPPO_MR_B_TOUCH                                   = XRT_INPUT_NAME(0x0509, BOOLEAN),
        XRT_INPUT_OPPO_MR_HOME_CLICK                                = XRT_INPUT_NAME(0x050A, BOOLEAN),
        XRT_INPUT_OPPO_MR_SQUEEZE_VALUE                             = XRT_INPUT_NAME(0x050B, VEC1_ZERO_TO_ONE),
        XRT_INPUT_OPPO_MR_TRIGGER_TOUCH                             = XRT_INPUT_NAME(0x050C, BOOLEAN),
        XRT_INPUT_OPPO_MR_TRIGGER_VALUE                             = XRT_INPUT_NAME(0x050D, VEC1_ZERO_TO_ONE),
        XRT_INPUT_OPPO_MR_GRIP_POSE                                 = XRT_INPUT_NAME(0x050E, POSE),
        XRT_INPUT_OPPO_MR_AIM_POSE                                  = XRT_INPUT_NAME(0x050F, POSE),
        XRT_INPUT_OPPO_MR_THUMBSTICK_CLICK                          = XRT_INPUT_NAME(0x0510, BOOLEAN),
        XRT_INPUT_OPPO_MR_THUMBSTICK_TOUCH                          = XRT_INPUT_NAME(0x0511, BOOLEAN),
        XRT_INPUT_OPPO_MR_THUMBSTICK                                = XRT_INPUT_NAME(0x0512, VEC2_MINUS_ONE_TO_ONE),
 
        XRT_INPUT_GENERIC_FACE_TRACKING                             = XRT_INPUT_NAME(0x0600, FACE_TRACKING),
 
        XRT_INPUT_HTC_EYE_FACE_TRACKING                             = XRT_INPUT_NAME(0x0601, FACE_TRACKING),
        XRT_INPUT_HTC_LIP_FACE_TRACKING                             = XRT_INPUT_NAME(0x0602, FACE_TRACKING),
        XRT_INPUT_FB_FACE_TRACKING2_AUDIO                           = XRT_INPUT_NAME(0x0603, FACE_TRACKING),
        XRT_INPUT_FB_FACE_TRACKING2_VISUAL                          = XRT_INPUT_NAME(0x0604, FACE_TRACKING),
        XRT_INPUT_ANDROID_FACE_TRACKING                             = XRT_INPUT_NAME(0x0605, FACE_TRACKING),
 
        XRT_INPUT_GENERIC_BODY_TRACKING                             = XRT_INPUT_NAME(0x0700, BODY_TRACKING),
        XRT_INPUT_FB_BODY_TRACKING                                  = XRT_INPUT_NAME(0x0701, BODY_TRACKING),
        XRT_INPUT_META_FULL_BODY_TRACKING                           = XRT_INPUT_NAME(0x0702, BODY_TRACKING),
 
        XRT_INPUT_PICO_NEO3_X_CLICK                                 = XRT_INPUT_NAME(0x0800, BOOLEAN),
        XRT_INPUT_PICO_NEO3_X_TOUCH                                 = XRT_INPUT_NAME(0x0801, BOOLEAN),
        XRT_INPUT_PICO_NEO3_Y_CLICK                                 = XRT_INPUT_NAME(0x0802, BOOLEAN),
        XRT_INPUT_PICO_NEO3_Y_TOUCH                                 = XRT_INPUT_NAME(0x0803, BOOLEAN),
        XRT_INPUT_PICO_NEO3_MENU_CLICK                              = XRT_INPUT_NAME(0x0804, BOOLEAN),
        XRT_INPUT_PICO_NEO3_SYSTEM_CLICK                            = XRT_INPUT_NAME(0x0805, BOOLEAN),
        XRT_INPUT_PICO_NEO3_TRIGGER_CLICK                           = XRT_INPUT_NAME(0x0806, BOOLEAN),
        XRT_INPUT_PICO_NEO3_TRIGGER_VALUE                           = XRT_INPUT_NAME(0x0807, VEC1_ZERO_TO_ONE),
        XRT_INPUT_PICO_NEO3_TRIGGER_TOUCH                           = XRT_INPUT_NAME(0x0808, BOOLEAN),
        XRT_INPUT_PICO_NEO3_THUMBSTICK_CLICK                        = XRT_INPUT_NAME(0x0809, BOOLEAN),
        XRT_INPUT_PICO_NEO3_THUMBSTICK_TOUCH                        = XRT_INPUT_NAME(0x080A, BOOLEAN),
        XRT_INPUT_PICO_NEO3_THUMBSTICK                              = XRT_INPUT_NAME(0x080B, VEC2_MINUS_ONE_TO_ONE),
        XRT_INPUT_PICO_NEO3_SQUEEZE_CLICK                           = XRT_INPUT_NAME(0x080C, BOOLEAN),
        XRT_INPUT_PICO_NEO3_SQUEEZE_VALUE                           = XRT_INPUT_NAME(0x080D, VEC1_ZERO_TO_ONE),
        XRT_INPUT_PICO_NEO3_GRIP_POSE                               = XRT_INPUT_NAME(0x080E, POSE),
        XRT_INPUT_PICO_NEO3_AIM_POSE                                = XRT_INPUT_NAME(0x080F, POSE),
        XRT_INPUT_PICO_NEO3_A_CLICK                                 = XRT_INPUT_NAME(0x0810, BOOLEAN),
        XRT_INPUT_PICO_NEO3_A_TOUCH                                 = XRT_INPUT_NAME(0x0811, BOOLEAN),
        XRT_INPUT_PICO_NEO3_B_CLICK                                 = XRT_INPUT_NAME(0x0812, BOOLEAN),
        XRT_INPUT_PICO_NEO3_B_TOUCH                                 = XRT_INPUT_NAME(0x0813, BOOLEAN),
 
        XRT_INPUT_PICO4_X_CLICK                                     = XRT_INPUT_NAME(0x0900, BOOLEAN),
        XRT_INPUT_PICO4_X_TOUCH                                     = XRT_INPUT_NAME(0x0901, BOOLEAN),
        XRT_INPUT_PICO4_Y_CLICK                                     = XRT_INPUT_NAME(0x0902, BOOLEAN),
        XRT_INPUT_PICO4_Y_TOUCH                                     = XRT_INPUT_NAME(0x0903, BOOLEAN),
        XRT_INPUT_PICO4_SYSTEM_CLICK                                = XRT_INPUT_NAME(0x0905, BOOLEAN),
        XRT_INPUT_PICO4_TRIGGER_CLICK                               = XRT_INPUT_NAME(0x0906, BOOLEAN),
        XRT_INPUT_PICO4_TRIGGER_VALUE                               = XRT_INPUT_NAME(0x0907, VEC1_ZERO_TO_ONE),
        XRT_INPUT_PICO4_TRIGGER_TOUCH                               = XRT_INPUT_NAME(0x0908, BOOLEAN),
        XRT_INPUT_PICO4_THUMBSTICK_CLICK                            = XRT_INPUT_NAME(0x0909, BOOLEAN),
        XRT_INPUT_PICO4_THUMBSTICK_TOUCH                            = XRT_INPUT_NAME(0x090A, BOOLEAN),
        XRT_INPUT_PICO4_THUMBSTICK                                  = XRT_INPUT_NAME(0x090B, VEC2_MINUS_ONE_TO_ONE),
        XRT_INPUT_PICO4_SQUEEZE_CLICK                               = XRT_INPUT_NAME(0x090C, BOOLEAN),
        XRT_INPUT_PICO4_SQUEEZE_VALUE                               = XRT_INPUT_NAME(0x090D, VEC1_ZERO_TO_ONE),
        XRT_INPUT_PICO4_GRIP_POSE                                   = XRT_INPUT_NAME(0x090E, POSE),
        XRT_INPUT_PICO4_AIM_POSE                                    = XRT_INPUT_NAME(0x090F, POSE),
        XRT_INPUT_PICO4_A_CLICK                                     = XRT_INPUT_NAME(0x0910, BOOLEAN),
        XRT_INPUT_PICO4_A_TOUCH                                     = XRT_INPUT_NAME(0x0911, BOOLEAN),
        XRT_INPUT_PICO4_B_CLICK                                     = XRT_INPUT_NAME(0x0912, BOOLEAN),
        XRT_INPUT_PICO4_B_TOUCH                                     = XRT_INPUT_NAME(0x0913, BOOLEAN),
        XRT_INPUT_PICO4_MENU_CLICK                                  = XRT_INPUT_NAME(0x0914, BOOLEAN),
 
        XRT_INPUT_PICO_G3_MENU_CLICK                                = XRT_INPUT_NAME(0x0A01, BOOLEAN),
        XRT_INPUT_PICO_G3_TRIGGER_CLICK                             = XRT_INPUT_NAME(0x0A02, BOOLEAN),
        XRT_INPUT_PICO_G3_TRIGGER_VALUE                             = XRT_INPUT_NAME(0x0A03, VEC1_ZERO_TO_ONE),
        XRT_INPUT_PICO_G3_THUMBSTICK_CLICK                          = XRT_INPUT_NAME(0x0A04, BOOLEAN),
        XRT_INPUT_PICO_G3_THUMBSTICK_TOUCH                          = XRT_INPUT_NAME(0x0A05, BOOLEAN),
        XRT_INPUT_PICO_G3_THUMBSTICK                                = XRT_INPUT_NAME(0x0A06, VEC2_MINUS_ONE_TO_ONE),
        XRT_INPUT_PICO_G3_GRIP_POSE                                 = XRT_INPUT_NAME(0x0A07, POSE),
        XRT_INPUT_PICO_G3_AIM_POSE                                  = XRT_INPUT_NAME(0x0A08, POSE),
 
        XRT_INPUT_VIVE_COSMOS_X_CLICK                               = XRT_INPUT_NAME(0x0B00, BOOLEAN),
        XRT_INPUT_VIVE_COSMOS_Y_CLICK                               = XRT_INPUT_NAME(0x0B01, BOOLEAN),
        XRT_INPUT_VIVE_COSMOS_MENU_CLICK                            = XRT_INPUT_NAME(0x0B02, BOOLEAN),
        XRT_INPUT_VIVE_COSMOS_A_CLICK                               = XRT_INPUT_NAME(0x0B03, BOOLEAN),
        XRT_INPUT_VIVE_COSMOS_B_CLICK                               = XRT_INPUT_NAME(0x0B04, BOOLEAN),
        XRT_INPUT_VIVE_COSMOS_SYSTEM_CLICK                          = XRT_INPUT_NAME(0x0B05, BOOLEAN),
        XRT_INPUT_VIVE_COSMOS_SHOULDER_CLICK                        = XRT_INPUT_NAME(0x0B06, BOOLEAN),
        XRT_INPUT_VIVE_COSMOS_SQUEEZE_CLICK                         = XRT_INPUT_NAME(0x0B07, BOOLEAN),
        XRT_INPUT_VIVE_COSMOS_TRIGGER_CLICK                         = XRT_INPUT_NAME(0x0B08, BOOLEAN),
        XRT_INPUT_VIVE_COSMOS_TRIGGER_VALUE                         = XRT_INPUT_NAME(0x0B09, VEC1_ZERO_TO_ONE),
        XRT_INPUT_VIVE_COSMOS_THUMBSTICK_CLICK                      = XRT_INPUT_NAME(0x0B0A, BOOLEAN),
        XRT_INPUT_VIVE_COSMOS_THUMBSTICK_TOUCH                      = XRT_INPUT_NAME(0x0B0B, BOOLEAN),
        XRT_INPUT_VIVE_COSMOS_THUMBSTICK                            = XRT_INPUT_NAME(0x0B0C, VEC2_MINUS_ONE_TO_ONE),
        XRT_INPUT_VIVE_COSMOS_GRIP_POSE                             = XRT_INPUT_NAME(0x0B0D, POSE),
        XRT_INPUT_VIVE_COSMOS_AIM_POSE                              = XRT_INPUT_NAME(0x0B0E, POSE),
 
        XRT_INPUT_VIVE_FOCUS3_X_CLICK                               = XRT_INPUT_NAME(0x0C00, BOOLEAN),
        XRT_INPUT_VIVE_FOCUS3_Y_CLICK                               = XRT_INPUT_NAME(0x0C01, BOOLEAN),
        XRT_INPUT_VIVE_FOCUS3_MENU_CLICK                            = XRT_INPUT_NAME(0x0C02, BOOLEAN),
        XRT_INPUT_VIVE_FOCUS3_A_CLICK                               = XRT_INPUT_NAME(0x0C03, BOOLEAN),
        XRT_INPUT_VIVE_FOCUS3_B_CLICK                               = XRT_INPUT_NAME(0x0C04, BOOLEAN),
        XRT_INPUT_VIVE_FOCUS3_SYSTEM_CLICK                          = XRT_INPUT_NAME(0x0C05, BOOLEAN),
        XRT_INPUT_VIVE_FOCUS3_SQUEEZE_CLICK                         = XRT_INPUT_NAME(0x0C06, BOOLEAN),
        XRT_INPUT_VIVE_FOCUS3_SQUEEZE_TOUCH                         = XRT_INPUT_NAME(0x0C07, BOOLEAN),
        XRT_INPUT_VIVE_FOCUS3_SQUEEZE_VALUE                         = XRT_INPUT_NAME(0x0C08, VEC1_ZERO_TO_ONE),
        XRT_INPUT_VIVE_FOCUS3_TRIGGER_CLICK                         = XRT_INPUT_NAME(0x0C09, BOOLEAN),
        XRT_INPUT_VIVE_FOCUS3_TRIGGER_TOUCH                         = XRT_INPUT_NAME(0x0C0A, BOOLEAN),
        XRT_INPUT_VIVE_FOCUS3_TRIGGER_VALUE                         = XRT_INPUT_NAME(0x0C0B, VEC1_ZERO_TO_ONE),
        XRT_INPUT_VIVE_FOCUS3_THUMBSTICK_CLICK                      = XRT_INPUT_NAME(0x0C0C, BOOLEAN),
        XRT_INPUT_VIVE_FOCUS3_THUMBSTICK_TOUCH                      = XRT_INPUT_NAME(0x0C0D, BOOLEAN),
        XRT_INPUT_VIVE_FOCUS3_THUMBSTICK                            = XRT_INPUT_NAME(0x0C0E, VEC2_MINUS_ONE_TO_ONE),
        XRT_INPUT_VIVE_FOCUS3_THUMBREST_TOUCH                       = XRT_INPUT_NAME(0x0C0F, BOOLEAN),
        XRT_INPUT_VIVE_FOCUS3_GRIP_POSE                             = XRT_INPUT_NAME(0x0C10, POSE),
        XRT_INPUT_VIVE_FOCUS3_AIM_POSE                              = XRT_INPUT_NAME(0x0C11, POSE),
 
        XRT_INPUT_TOUCH_PRO_X_CLICK                                 = XRT_INPUT_NAME(0x0D00, BOOLEAN),
        XRT_INPUT_TOUCH_PRO_X_TOUCH                                 = XRT_INPUT_NAME(0x0D01, BOOLEAN),
        XRT_INPUT_TOUCH_PRO_Y_CLICK                                 = XRT_INPUT_NAME(0x0D02, BOOLEAN),
        XRT_INPUT_TOUCH_PRO_Y_TOUCH                                 = XRT_INPUT_NAME(0x0D03, BOOLEAN),
        XRT_INPUT_TOUCH_PRO_MENU_CLICK                              = XRT_INPUT_NAME(0x0D04, BOOLEAN),
        XRT_INPUT_TOUCH_PRO_A_CLICK                                 = XRT_INPUT_NAME(0x0D05, BOOLEAN),
        XRT_INPUT_TOUCH_PRO_A_TOUCH                                 = XRT_INPUT_NAME(0x0D06, BOOLEAN),
        XRT_INPUT_TOUCH_PRO_B_CLICK                                 = XRT_INPUT_NAME(0x0D07, BOOLEAN),
        XRT_INPUT_TOUCH_PRO_B_TOUCH                                 = XRT_INPUT_NAME(0x0D08, BOOLEAN),
        XRT_INPUT_TOUCH_PRO_SYSTEM_CLICK                            = XRT_INPUT_NAME(0x0D09, BOOLEAN),
        XRT_INPUT_TOUCH_PRO_SQUEEZE_VALUE                           = XRT_INPUT_NAME(0x0D0A, VEC1_ZERO_TO_ONE),
        XRT_INPUT_TOUCH_PRO_TRIGGER_TOUCH                           = XRT_INPUT_NAME(0x0D0B, BOOLEAN),
        XRT_INPUT_TOUCH_PRO_TRIGGER_VALUE                           = XRT_INPUT_NAME(0x0D0C, VEC1_ZERO_TO_ONE),
        XRT_INPUT_TOUCH_PRO_THUMBSTICK_CLICK                        = XRT_INPUT_NAME(0x0D0D, BOOLEAN),
        XRT_INPUT_TOUCH_PRO_THUMBSTICK_TOUCH                        = XRT_INPUT_NAME(0x0D0E, BOOLEAN),
        XRT_INPUT_TOUCH_PRO_THUMBSTICK                              = XRT_INPUT_NAME(0x0D0F, VEC2_MINUS_ONE_TO_ONE),
        XRT_INPUT_TOUCH_PRO_THUMBREST_TOUCH                         = XRT_INPUT_NAME(0x0D10, BOOLEAN),
        XRT_INPUT_TOUCH_PRO_THUMBREST_FORCE                         = XRT_INPUT_NAME(0x0D11, VEC1_ZERO_TO_ONE),
        XRT_INPUT_TOUCH_PRO_GRIP_POSE                               = XRT_INPUT_NAME(0x0D12, POSE),
        XRT_INPUT_TOUCH_PRO_AIM_POSE                                = XRT_INPUT_NAME(0x0D13, POSE),
        XRT_INPUT_TOUCH_PRO_TRIGGER_PROXIMITY                       = XRT_INPUT_NAME(0x0D14, BOOLEAN),
        XRT_INPUT_TOUCH_PRO_THUMB_PROXIMITY                         = XRT_INPUT_NAME(0x0D15, BOOLEAN),
        XRT_INPUT_TOUCH_PRO_TRIGGER_CURL                            = XRT_INPUT_NAME(0x0D16, VEC1_ZERO_TO_ONE),
        XRT_INPUT_TOUCH_PRO_TRIGGER_SLIDE                           = XRT_INPUT_NAME(0x0D17, VEC1_ZERO_TO_ONE),
        XRT_INPUT_TOUCH_PRO_STYLUS_FORCE                            = XRT_INPUT_NAME(0x0D18, VEC1_ZERO_TO_ONE),
 
        XRT_INPUT_TOUCH_PLUS_X_CLICK                                = XRT_INPUT_NAME(0x0E00, BOOLEAN),
        XRT_INPUT_TOUCH_PLUS_X_TOUCH                                = XRT_INPUT_NAME(0x0E01, BOOLEAN),
        XRT_INPUT_TOUCH_PLUS_Y_CLICK                                = XRT_INPUT_NAME(0x0E02, BOOLEAN),
        XRT_INPUT_TOUCH_PLUS_Y_TOUCH                                = XRT_INPUT_NAME(0x0E03, BOOLEAN),
        XRT_INPUT_TOUCH_PLUS_MENU_CLICK                             = XRT_INPUT_NAME(0x0E04, BOOLEAN),
        XRT_INPUT_TOUCH_PLUS_A_CLICK                                = XRT_INPUT_NAME(0x0E05, BOOLEAN),
        XRT_INPUT_TOUCH_PLUS_A_TOUCH                                = XRT_INPUT_NAME(0x0E06, BOOLEAN),
        XRT_INPUT_TOUCH_PLUS_B_CLICK                                = XRT_INPUT_NAME(0x0E07, BOOLEAN),
        XRT_INPUT_TOUCH_PLUS_B_TOUCH                                = XRT_INPUT_NAME(0x0E08, BOOLEAN),
        XRT_INPUT_TOUCH_PLUS_SYSTEM_CLICK                           = XRT_INPUT_NAME(0x0E09, BOOLEAN),
        XRT_INPUT_TOUCH_PLUS_SQUEEZE_VALUE                          = XRT_INPUT_NAME(0x0E0A, VEC1_ZERO_TO_ONE),
        XRT_INPUT_TOUCH_PLUS_TRIGGER_TOUCH                          = XRT_INPUT_NAME(0x0E0B, BOOLEAN),
        XRT_INPUT_TOUCH_PLUS_TRIGGER_PROXIMITY                      = XRT_INPUT_NAME(0x0E0C, BOOLEAN),
        XRT_INPUT_TOUCH_PLUS_TRIGGER_VALUE                          = XRT_INPUT_NAME(0x0E0D, VEC1_ZERO_TO_ONE),
        XRT_INPUT_TOUCH_PLUS_TRIGGER_FORCE                          = XRT_INPUT_NAME(0x0E0E, VEC1_ZERO_TO_ONE),
        XRT_INPUT_TOUCH_PLUS_THUMBSTICK_CLICK                       = XRT_INPUT_NAME(0x0E0F, BOOLEAN),
        XRT_INPUT_TOUCH_PLUS_THUMBSTICK_TOUCH                       = XRT_INPUT_NAME(0x0E10, BOOLEAN),
        XRT_INPUT_TOUCH_PLUS_THUMBSTICK                             = XRT_INPUT_NAME(0x0E11, VEC2_MINUS_ONE_TO_ONE),
        XRT_INPUT_TOUCH_PLUS_THUMBREST_TOUCH                        = XRT_INPUT_NAME(0x0E12, BOOLEAN),
        XRT_INPUT_TOUCH_PLUS_GRIP_POSE                              = XRT_INPUT_NAME(0x0E13, POSE),
        XRT_INPUT_TOUCH_PLUS_AIM_POSE                               = XRT_INPUT_NAME(0x0E14, POSE),
        XRT_INPUT_TOUCH_PLUS_THUMB_PROXIMITY                        = XRT_INPUT_NAME(0x0E15, BOOLEAN),
        XRT_INPUT_TOUCH_PLUS_TRIGGER_CURL                           = XRT_INPUT_NAME(0x0E16, VEC1_ZERO_TO_ONE),
        XRT_INPUT_TOUCH_PLUS_TRIGGER_SLIDE                          = XRT_INPUT_NAME(0x0E17, VEC1_ZERO_TO_ONE),
 
        XRT_INPUT_RIFT_REMOTE_SELECT_CLICK                          = XRT_INPUT_NAME(0x0F00, BOOLEAN),
        XRT_INPUT_RIFT_REMOTE_BACK_CLICK                            = XRT_INPUT_NAME(0x0F01, BOOLEAN),
        XRT_INPUT_RIFT_REMOTE_VOLUME_UP_CLICK                       = XRT_INPUT_NAME(0x0F02, BOOLEAN),
        XRT_INPUT_RIFT_REMOTE_VOLUME_DOWN_CLICK                     = XRT_INPUT_NAME(0x0F03, BOOLEAN),
        XRT_INPUT_RIFT_REMOTE_OCULUS_CLICK                          = XRT_INPUT_NAME(0x0F04, BOOLEAN),
        XRT_INPUT_RIFT_REMOTE_DPAD_DOWN_CLICK                       = XRT_INPUT_NAME(0x0F05, BOOLEAN),
        XRT_INPUT_RIFT_REMOTE_DPAD_RIGHT_CLICK                      = XRT_INPUT_NAME(0x0F06, BOOLEAN),
        XRT_INPUT_RIFT_REMOTE_DPAD_UP_CLICK                         = XRT_INPUT_NAME(0x0F07, BOOLEAN),
        XRT_INPUT_RIFT_REMOTE_DPAD_LEFT_CLICK                       = XRT_INPUT_NAME(0x0F08, BOOLEAN),
 
        XRT_INPUT_BLUBUR_S1_MENU_CLICK                              = XRT_INPUT_NAME(0x1000, BOOLEAN),
 
        XRT_INPUT_PSVR2_SYSTEM_CLICK                                = XRT_INPUT_NAME(0x1100, BOOLEAN),
 
        XRT_INPUT_HAND_CTRL_EMU_PINCH_BOOL                          = XRT_INPUT_NAME(0x1200, BOOLEAN),
        XRT_INPUT_HAND_CTRL_EMU_PINCH_VALUE                         = XRT_INPUT_NAME(0x1201, VEC1_ZERO_TO_ONE),
        XRT_INPUT_HAND_CTRL_EMU_GRIP_POSE                           = XRT_INPUT_NAME(0x1202, POSE),
        XRT_INPUT_HAND_CTRL_EMU_AIM_POSE                            = XRT_INPUT_NAME(0x1203, POSE),
 
        XRT_INPUT_FLIPVR_A_CLICK                                    = XRT_INPUT_NAME(0x1300, BOOLEAN),
        XRT_INPUT_FLIPVR_A_TOUCH                                    = XRT_INPUT_NAME(0x1301, BOOLEAN),
        XRT_INPUT_FLIPVR_B_CLICK                                    = XRT_INPUT_NAME(0X1302, BOOLEAN),
        XRT_INPUT_FLIPVR_B_TOUCH                                    = XRT_INPUT_NAME(0X1303, BOOLEAN),
        XRT_INPUT_FLIPVR_X_CLICK                                    = XRT_INPUT_NAME(0X1304, BOOLEAN),
        XRT_INPUT_FLIPVR_X_TOUCH                                    = XRT_INPUT_NAME(0X1305, BOOLEAN),
        XRT_INPUT_FLIPVR_Y_CLICK                                    = XRT_INPUT_NAME(0X1306, BOOLEAN),
        XRT_INPUT_FLIPVR_Y_TOUCH                                    = XRT_INPUT_NAME(0X1307, BOOLEAN),
        XRT_INPUT_FLIPVR_SYSTEM_CLICK                               = XRT_INPUT_NAME(0X1308, BOOLEAN),
        XRT_INPUT_FLIPVR_THUMBSTICK_CLICK                           = XRT_INPUT_NAME(0X1309, BOOLEAN),
        XRT_INPUT_FLIPVR_THUMBSTICK_TOUCH                           = XRT_INPUT_NAME(0X130A, BOOLEAN),
        XRT_INPUT_FLIPVR_THUMBSTICK                                 = XRT_INPUT_NAME(0X130B, VEC2_MINUS_ONE_TO_ONE),
        XRT_INPUT_FLIPVR_TRIGGER_CLICK                              = XRT_INPUT_NAME(0X130C, BOOLEAN),
        XRT_INPUT_FLIPVR_TRIGGER_TOUCH                              = XRT_INPUT_NAME(0X130D, BOOLEAN),
        XRT_INPUT_FLIPVR_TRIGGER_VALUE                              = XRT_INPUT_NAME(0X130E, VEC1_ZERO_TO_ONE),
        XRT_INPUT_FLIPVR_SQUEEZE_CLICK                              = XRT_INPUT_NAME(0X130F, BOOLEAN),
        XRT_INPUT_FLIPVR_SQUEEZE_VALUE                              = XRT_INPUT_NAME(0X1310, VEC1_ZERO_TO_ONE),
        XRT_INPUT_FLIPVR_GRIP_POSE                                  = XRT_INPUT_NAME(0X1311, POSE),
        XRT_INPUT_FLIPVR_AIM_POSE                                   = XRT_INPUT_NAME(0X1312, POSE),
        // clang-format on
};
 
/*!
 * Number of joints in a hand. Corresponds to XR_HAND_JOINT_COUNT_EXT.
 *
 * @see xrt_hand_joint
 * @ingroup xrt_iface
 */
#define XRT_HAND_JOINT_COUNT 26
 
/*!
 * Number of joints in a hand. Corresponds to XrHandJointEXT.
 *
 * @ingroup xrt_iface
 */
enum xrt_hand_joint
{
        XRT_HAND_JOINT_PALM = 0,
        XRT_HAND_JOINT_WRIST = 1,
        XRT_HAND_JOINT_THUMB_METACARPAL = 2,
        XRT_HAND_JOINT_THUMB_PROXIMAL = 3,
        XRT_HAND_JOINT_THUMB_DISTAL = 4,
        XRT_HAND_JOINT_THUMB_TIP = 5,
        XRT_HAND_JOINT_INDEX_METACARPAL = 6,
        XRT_HAND_JOINT_INDEX_PROXIMAL = 7,
        XRT_HAND_JOINT_INDEX_INTERMEDIATE = 8,
        XRT_HAND_JOINT_INDEX_DISTAL = 9,
        XRT_HAND_JOINT_INDEX_TIP = 10,
        XRT_HAND_JOINT_MIDDLE_METACARPAL = 11,
        XRT_HAND_JOINT_MIDDLE_PROXIMAL = 12,
        XRT_HAND_JOINT_MIDDLE_INTERMEDIATE = 13,
        XRT_HAND_JOINT_MIDDLE_DISTAL = 14,
        XRT_HAND_JOINT_MIDDLE_TIP = 15,
        XRT_HAND_JOINT_RING_METACARPAL = 16,
        XRT_HAND_JOINT_RING_PROXIMAL = 17,
        XRT_HAND_JOINT_RING_INTERMEDIATE = 18,
        XRT_HAND_JOINT_RING_DISTAL = 19,
        XRT_HAND_JOINT_RING_TIP = 20,
        XRT_HAND_JOINT_LITTLE_METACARPAL = 21,
        XRT_HAND_JOINT_LITTLE_PROXIMAL = 22,
        XRT_HAND_JOINT_LITTLE_INTERMEDIATE = 23,
        XRT_HAND_JOINT_LITTLE_DISTAL = 24,
        XRT_HAND_JOINT_LITTLE_TIP = 25,
        XRT_HAND_JOINT_MAX_ENUM = 0x7FFFFFFF
};
 
/*!
 * Enumeration for left and right hand.
 *
 * @ingroup xrt_iface
 */
enum xrt_hand
{
        XRT_HAND_LEFT = 0,
        XRT_HAND_RIGHT = 1,
};
 
/*!
 * Location of a single hand joint. Corresponds to XrHandJointLocationEXT.
 *
 * @ingroup xrt_iface
 */
struct xrt_hand_joint_value
{
        struct xrt_space_relation relation;
        float radius;
};
 
/*!
 * Number of fingers on a hand.
 *
 * @ingroup xrt_iface
 */
#define XRT_FINGER_COUNT 5
 
/*!
 * Names for fingers on a hand.
 *
 * @ingroup xrt_iface
 */
enum xrt_finger
{
        XRT_FINGER_LITTLE = 0,
        XRT_FINGER_RING,
        XRT_FINGER_MIDDLE,
        XRT_FINGER_INDEX,
        XRT_FINGER_THUMB
};
 
/*!
 * Joint set type used for hand tracking. Corresponds to XrHandJointSetEXT.
 *
 * @ingroup xrt_iface
 */
struct xrt_hand_joint_set
{
        union {
                struct xrt_hand_joint_value hand_joint_set_default[XRT_HAND_JOINT_COUNT];
        } values;
 
        // in driver global space, without tracking_origin offset
        struct xrt_space_relation hand_pose;
        bool is_active;
};
 
/*!
 * A union of all input types.
 *
 * @see xrt_input_type
 * @ingroup xrt_iface math
 */
union xrt_input_value {
        struct xrt_vec1 vec1;
        struct xrt_vec2 vec2;
        bool boolean;
};
 
/*!
 * The number of bits reserved for the input type in @ref xrt_output_name
 * @see xrt_output_type
 * @ingroup xrt_iface
 */
#define XRT_OUTPUT_TYPE_BITWIDTH 8u
 
/*!
 * The mask associated with @ref XRT_OUTPUT_TYPE_BITWIDTH
 * @see xrt_output_type
 * @ingroup xrt_iface
 */
#define XRT_OUTPUT_TYPE_BITMASK 0xffu
 
/*!
 * @brief Create an enum value for xrt_output_name that packs an ID and output
 * type.
 *
 * @param id an integer
 * @param type The suffix of an xrt_output_type value name: `XRT_OUTPUT_TYPE_` is
 * prepended automatically.
 *
 * @see xrt_output_name
 * @ingroup xrt_iface
 */
#define XRT_OUTPUT_NAME(id, type) ((UINT32_C(id) << XRT_OUTPUT_TYPE_BITWIDTH) | (uint32_t)XRT_OUTPUT_TYPE_##type)
 
/*!
 * @brief Extract the xrt_output_type from an xrt_output_name.
 *
 * @param name An xrt_output_name value
 *
 * @relates xrt_output_name
 * @returns @ref xrt_output_type
 * @ingroup xrt_iface
 */
#define XRT_GET_OUTPUT_TYPE(name) ((enum xrt_output_type)(name & XRT_OUTPUT_TYPE_BITMASK))
 
/*!
 * @brief Extract the xrt_output_name id from an xrt_output_name.
 *
 * @param name An xrt_output_name value
 *
 * @relates xrt_output_name
 * @returns The extracted id.
 * @ingroup xrt_iface
 */
#define XRT_GET_OUTPUT_ID(name) ((uint32_t)(name >> XRT_OUTPUT_TYPE_BITWIDTH))
 
/*!
 * Base type of this output.
 *
 * @ingroup xrt_iface
 */
enum xrt_output_type
{
        // clang-format off
        XRT_OUTPUT_TYPE_VIBRATION             = 0x00,
        XRT_OUTPUT_TYPE_FORCE_FEEDBACK        = 0x01,
        // clang-format on
};
 
/*!
 * Name of a output with a baked in type.
 *
 * @see xrt_output_type
 * @ingroup xrt_iface
 */
enum xrt_output_name
{
        // clang-format off
        XRT_OUTPUT_NAME_SIMPLE_VIBRATION                            = XRT_OUTPUT_NAME(0x0010, VIBRATION),
        XRT_OUTPUT_NAME_PSMV_RUMBLE_VIBRATION                       = XRT_OUTPUT_NAME(0x0020, VIBRATION),
        XRT_OUTPUT_NAME_INDEX_HAPTIC                                = XRT_OUTPUT_NAME(0x0030, VIBRATION),
        XRT_OUTPUT_NAME_VIVE_HAPTIC                                 = XRT_OUTPUT_NAME(0x0040, VIBRATION),
        XRT_OUTPUT_NAME_WMR_HAPTIC                                  = XRT_OUTPUT_NAME(0x0050, VIBRATION),
 
        XRT_OUTPUT_NAME_XBOX_HAPTIC_LEFT                            = XRT_OUTPUT_NAME(0x0060, VIBRATION),
        XRT_OUTPUT_NAME_XBOX_HAPTIC_RIGHT                           = XRT_OUTPUT_NAME(0x0061, VIBRATION),
        XRT_OUTPUT_NAME_XBOX_HAPTIC_LEFT_TRIGGER                    = XRT_OUTPUT_NAME(0x0062, VIBRATION),
        XRT_OUTPUT_NAME_XBOX_HAPTIC_RIGHT_TRIGGER                   = XRT_OUTPUT_NAME(0x0063, VIBRATION),
 
        XRT_OUTPUT_NAME_TOUCH_HAPTIC                                = XRT_OUTPUT_NAME(0x0070, VIBRATION),
 
        XRT_OUTPUT_NAME_FORCE_FEEDBACK_LEFT                         = XRT_OUTPUT_NAME(0x0080, FORCE_FEEDBACK),
        XRT_OUTPUT_NAME_FORCE_FEEDBACK_RIGHT                        = XRT_OUTPUT_NAME(0x0081, FORCE_FEEDBACK),
 
        XRT_OUTPUT_NAME_G2_CONTROLLER_HAPTIC                        = XRT_OUTPUT_NAME(0x0090, VIBRATION),
        XRT_OUTPUT_NAME_ODYSSEY_CONTROLLER_HAPTIC                   = XRT_OUTPUT_NAME(0x00A0, VIBRATION),
        XRT_OUTPUT_NAME_ML2_CONTROLLER_VIBRATION                    = XRT_OUTPUT_NAME(0x00B0, VIBRATION),
 
        XRT_OUTPUT_NAME_PSSENSE_VIBRATION                           = XRT_OUTPUT_NAME(0x00C0, VIBRATION),
        XRT_OUTPUT_NAME_PSSENSE_TRIGGER_FEEDBACK                    = XRT_OUTPUT_NAME(0x00C1, FORCE_FEEDBACK),
 
        XRT_OUTPUT_NAME_VIVE_TRACKER_HAPTIC                         = XRT_OUTPUT_NAME(0x00D0, VIBRATION),
 
        XRT_OUTPUT_NAME_OPPO_MR_HAPTIC                              = XRT_OUTPUT_NAME(0x00E0, VIBRATION),
 
        XRT_OUTPUT_NAME_PICO_NEO3_HAPTIC                            = XRT_OUTPUT_NAME(0x00F0, VIBRATION),
        XRT_OUTPUT_NAME_PICO4_HAPTIC                                = XRT_OUTPUT_NAME(0x0100, VIBRATION),
 
        XRT_OUTPUT_NAME_VIVE_COSMOS_HAPTIC                          = XRT_OUTPUT_NAME(0x0200, VIBRATION),
        XRT_OUTPUT_NAME_VIVE_FOCUS3_HAPTIC                          = XRT_OUTPUT_NAME(0x0300, VIBRATION),
 
        XRT_OUTPUT_NAME_TOUCH_PRO_HAPTIC                            = XRT_OUTPUT_NAME(0x0400, VIBRATION),
        XRT_OUTPUT_NAME_TOUCH_PRO_HAPTIC_TRIGGER                    = XRT_OUTPUT_NAME(0x0500, VIBRATION),
        XRT_OUTPUT_NAME_TOUCH_PRO_HAPTIC_THUMB                      = XRT_OUTPUT_NAME(0x0600, VIBRATION),
        XRT_OUTPUT_NAME_TOUCH_PLUS_HAPTIC                           = XRT_OUTPUT_NAME(0x0700, VIBRATION),
 
        XRT_OUTPUT_NAME_PSVR2_HAPTIC                                = XRT_OUTPUT_NAME(0x0800, VIBRATION),
 
        XRT_OUTPUT_NAME_FLIPVR_HAPTIC                               = XRT_OUTPUT_NAME(0x0900, VIBRATION),
        // clang-format on
};
 
enum xrt_face_expression2_fb
{
        XRT_FACE_EXPRESSION2_BROW_LOWERER_L_FB = 0,
        XRT_FACE_EXPRESSION2_BROW_LOWERER_R_FB = 1,
        XRT_FACE_EXPRESSION2_CHEEK_PUFF_L_FB = 2,
        XRT_FACE_EXPRESSION2_CHEEK_PUFF_R_FB = 3,
        XRT_FACE_EXPRESSION2_CHEEK_RAISER_L_FB = 4,
        XRT_FACE_EXPRESSION2_CHEEK_RAISER_R_FB = 5,
        XRT_FACE_EXPRESSION2_CHEEK_SUCK_L_FB = 6,
        XRT_FACE_EXPRESSION2_CHEEK_SUCK_R_FB = 7,
        XRT_FACE_EXPRESSION2_CHIN_RAISER_B_FB = 8,
        XRT_FACE_EXPRESSION2_CHIN_RAISER_T_FB = 9,
        XRT_FACE_EXPRESSION2_DIMPLER_L_FB = 10,
        XRT_FACE_EXPRESSION2_DIMPLER_R_FB = 11,
        XRT_FACE_EXPRESSION2_EYES_CLOSED_L_FB = 12,
        XRT_FACE_EXPRESSION2_EYES_CLOSED_R_FB = 13,
        XRT_FACE_EXPRESSION2_EYES_LOOK_DOWN_L_FB = 14,
        XRT_FACE_EXPRESSION2_EYES_LOOK_DOWN_R_FB = 15,
        XRT_FACE_EXPRESSION2_EYES_LOOK_LEFT_L_FB = 16,
        XRT_FACE_EXPRESSION2_EYES_LOOK_LEFT_R_FB = 17,
        XRT_FACE_EXPRESSION2_EYES_LOOK_RIGHT_L_FB = 18,
        XRT_FACE_EXPRESSION2_EYES_LOOK_RIGHT_R_FB = 19,
        XRT_FACE_EXPRESSION2_EYES_LOOK_UP_L_FB = 20,
        XRT_FACE_EXPRESSION2_EYES_LOOK_UP_R_FB = 21,
        XRT_FACE_EXPRESSION2_INNER_BROW_RAISER_L_FB = 22,
        XRT_FACE_EXPRESSION2_INNER_BROW_RAISER_R_FB = 23,
        XRT_FACE_EXPRESSION2_JAW_DROP_FB = 24,
        XRT_FACE_EXPRESSION2_JAW_SIDEWAYS_LEFT_FB = 25,
        XRT_FACE_EXPRESSION2_JAW_SIDEWAYS_RIGHT_FB = 26,
        XRT_FACE_EXPRESSION2_JAW_THRUST_FB = 27,
        XRT_FACE_EXPRESSION2_LID_TIGHTENER_L_FB = 28,
        XRT_FACE_EXPRESSION2_LID_TIGHTENER_R_FB = 29,
        XRT_FACE_EXPRESSION2_LIP_CORNER_DEPRESSOR_L_FB = 30,
        XRT_FACE_EXPRESSION2_LIP_CORNER_DEPRESSOR_R_FB = 31,
        XRT_FACE_EXPRESSION2_LIP_CORNER_PULLER_L_FB = 32,
        XRT_FACE_EXPRESSION2_LIP_CORNER_PULLER_R_FB = 33,
        XRT_FACE_EXPRESSION2_LIP_FUNNELER_LB_FB = 34,
        XRT_FACE_EXPRESSION2_LIP_FUNNELER_LT_FB = 35,
        XRT_FACE_EXPRESSION2_LIP_FUNNELER_RB_FB = 36,
        XRT_FACE_EXPRESSION2_LIP_FUNNELER_RT_FB = 37,
        XRT_FACE_EXPRESSION2_LIP_PRESSOR_L_FB = 38,
        XRT_FACE_EXPRESSION2_LIP_PRESSOR_R_FB = 39,
        XRT_FACE_EXPRESSION2_LIP_PUCKER_L_FB = 40,
        XRT_FACE_EXPRESSION2_LIP_PUCKER_R_FB = 41,
        XRT_FACE_EXPRESSION2_LIP_STRETCHER_L_FB = 42,
        XRT_FACE_EXPRESSION2_LIP_STRETCHER_R_FB = 43,
        XRT_FACE_EXPRESSION2_LIP_SUCK_LB_FB = 44,
        XRT_FACE_EXPRESSION2_LIP_SUCK_LT_FB = 45,
        XRT_FACE_EXPRESSION2_LIP_SUCK_RB_FB = 46,
        XRT_FACE_EXPRESSION2_LIP_SUCK_RT_FB = 47,
        XRT_FACE_EXPRESSION2_LIP_TIGHTENER_L_FB = 48,
        XRT_FACE_EXPRESSION2_LIP_TIGHTENER_R_FB = 49,
        XRT_FACE_EXPRESSION2_LIPS_TOWARD_FB = 50,
        XRT_FACE_EXPRESSION2_LOWER_LIP_DEPRESSOR_L_FB = 51,
        XRT_FACE_EXPRESSION2_LOWER_LIP_DEPRESSOR_R_FB = 52,
        XRT_FACE_EXPRESSION2_MOUTH_LEFT_FB = 53,
        XRT_FACE_EXPRESSION2_MOUTH_RIGHT_FB = 54,
        XRT_FACE_EXPRESSION2_NOSE_WRINKLER_L_FB = 55,
        XRT_FACE_EXPRESSION2_NOSE_WRINKLER_R_FB = 56,
        XRT_FACE_EXPRESSION2_OUTER_BROW_RAISER_L_FB = 57,
        XRT_FACE_EXPRESSION2_OUTER_BROW_RAISER_R_FB = 58,
        XRT_FACE_EXPRESSION2_UPPER_LID_RAISER_L_FB = 59,
        XRT_FACE_EXPRESSION2_UPPER_LID_RAISER_R_FB = 60,
        XRT_FACE_EXPRESSION2_UPPER_LIP_RAISER_L_FB = 61,
        XRT_FACE_EXPRESSION2_UPPER_LIP_RAISER_R_FB = 62,
        XRT_FACE_EXPRESSION2_TONGUE_TIP_INTERDENTAL_FB = 63,
        XRT_FACE_EXPRESSION2_TONGUE_TIP_ALVEOLAR_FB = 64,
        XRT_FACE_EXPRESSION2_TONGUE_FRONT_DORSAL_PALATE_FB = 65,
        XRT_FACE_EXPRESSION2_TONGUE_MID_DORSAL_PALATE_FB = 66,
        XRT_FACE_EXPRESSION2_TONGUE_BACK_DORSAL_VELAR_FB = 67,
        XRT_FACE_EXPRESSION2_TONGUE_OUT_FB = 68,
        XRT_FACE_EXPRESSION2_TONGUE_RETREAT_FB = 69,
        XRT_FACE_EXPRESSION2_COUNT_FB = 70,
        XRT_FACE_EXPRESSION_2FB_MAX_ENUM_FB = 0x7FFFFFFF
};
 
enum xrt_face_confidence2_fb
{
        XRT_FACE_CONFIDENCE2_LOWER_FACE_FB = 0,
        XRT_FACE_CONFIDENCE2_UPPER_FACE_FB = 1,
        XRT_FACE_CONFIDENCE2_COUNT_FB = 2,
        XRT_FACE_CONFIDENCE_2FB_MAX_ENUM_FB = 0x7FFFFFFF
};
 
enum xrt_face_expression_set2_fb
{
        XRT_FACE_EXPRESSION_SET2_DEFAULT_FB = 0,
        XRT_FACE_EXPRESSION_SET_2FB_MAX_ENUM_FB = 0x7FFFFFFF
};
 
enum xrt_face_tracking_data_source2_fb
{
        XRT_FACE_TRACKING_DATA_SOURCE2_VISUAL_FB = 0,
        XRT_FACE_TRACKING_DATA_SOURCE2_AUDIO_FB = 1,
        XRT_FACE_TRACKING_DATA_SOURCE_2FB_MAX_ENUM_FB = 0x7FFFFFFF
};
 
enum xrt_eye_expression_htc
{
        XRT_EYE_EXPRESSION_LEFT_BLINK_HTC = 0,
        XRT_EYE_EXPRESSION_LEFT_WIDE_HTC = 1,
        XRT_EYE_EXPRESSION_RIGHT_BLINK_HTC = 2,
        XRT_EYE_EXPRESSION_RIGHT_WIDE_HTC = 3,
        XRT_EYE_EXPRESSION_LEFT_SQUEEZE_HTC = 4,
        XRT_EYE_EXPRESSION_RIGHT_SQUEEZE_HTC = 5,
        XRT_EYE_EXPRESSION_LEFT_DOWN_HTC = 6,
        XRT_EYE_EXPRESSION_RIGHT_DOWN_HTC = 7,
        XRT_EYE_EXPRESSION_LEFT_OUT_HTC = 8,
        XRT_EYE_EXPRESSION_RIGHT_IN_HTC = 9,
        XRT_EYE_EXPRESSION_LEFT_IN_HTC = 10,
        XRT_EYE_EXPRESSION_RIGHT_OUT_HTC = 11,
        XRT_EYE_EXPRESSION_LEFT_UP_HTC = 12,
        XRT_EYE_EXPRESSION_RIGHT_UP_HTC = 13
};
 
enum xrt_lip_expression_htc
{
        XRT_LIP_EXPRESSION_JAW_RIGHT_HTC = 0,
        XRT_LIP_EXPRESSION_JAW_LEFT_HTC = 1,
        XRT_LIP_EXPRESSION_JAW_FORWARD_HTC = 2,
        XRT_LIP_EXPRESSION_JAW_OPEN_HTC = 3,
        XRT_LIP_EXPRESSION_MOUTH_APE_SHAPE_HTC = 4,
        XRT_LIP_EXPRESSION_MOUTH_UPPER_RIGHT_HTC = 5,
        XRT_LIP_EXPRESSION_MOUTH_UPPER_LEFT_HTC = 6,
        XRT_LIP_EXPRESSION_MOUTH_LOWER_RIGHT_HTC = 7,
        XRT_LIP_EXPRESSION_MOUTH_LOWER_LEFT_HTC = 8,
        XRT_LIP_EXPRESSION_MOUTH_UPPER_OVERTURN_HTC = 9,
        XRT_LIP_EXPRESSION_MOUTH_LOWER_OVERTURN_HTC = 10,
        XRT_LIP_EXPRESSION_MOUTH_POUT_HTC = 11,
        XRT_LIP_EXPRESSION_MOUTH_SMILE_RIGHT_HTC = 12,
        XRT_LIP_EXPRESSION_MOUTH_SMILE_LEFT_HTC = 13,
        XRT_LIP_EXPRESSION_MOUTH_SAD_RIGHT_HTC = 14,
        XRT_LIP_EXPRESSION_MOUTH_SAD_LEFT_HTC = 15,
        XRT_LIP_EXPRESSION_CHEEK_PUFF_RIGHT_HTC = 16,
        XRT_LIP_EXPRESSION_CHEEK_PUFF_LEFT_HTC = 17,
        XRT_LIP_EXPRESSION_CHEEK_SUCK_HTC = 18,
        XRT_LIP_EXPRESSION_MOUTH_UPPER_UPRIGHT_HTC = 19,
        XRT_LIP_EXPRESSION_MOUTH_UPPER_UPLEFT_HTC = 20,
        XRT_LIP_EXPRESSION_MOUTH_LOWER_DOWNRIGHT_HTC = 21,
        XRT_LIP_EXPRESSION_MOUTH_LOWER_DOWNLEFT_HTC = 22,
        XRT_LIP_EXPRESSION_MOUTH_UPPER_INSIDE_HTC = 23,
        XRT_LIP_EXPRESSION_MOUTH_LOWER_INSIDE_HTC = 24,
        XRT_LIP_EXPRESSION_MOUTH_LOWER_OVERLAY_HTC = 25,
        XRT_LIP_EXPRESSION_TONGUE_LONGSTEP1_HTC = 26,
        XRT_LIP_EXPRESSION_TONGUE_LEFT_HTC = 27,
        XRT_LIP_EXPRESSION_TONGUE_RIGHT_HTC = 28,
        XRT_LIP_EXPRESSION_TONGUE_UP_HTC = 29,
        XRT_LIP_EXPRESSION_TONGUE_DOWN_HTC = 30,
        XRT_LIP_EXPRESSION_TONGUE_ROLL_HTC = 31,
        XRT_LIP_EXPRESSION_TONGUE_LONGSTEP2_HTC = 32,
        XRT_LIP_EXPRESSION_TONGUE_UPRIGHT_MORPH_HTC = 33,
        XRT_LIP_EXPRESSION_TONGUE_UPLEFT_MORPH_HTC = 34,
        XRT_LIP_EXPRESSION_TONGUE_DOWNRIGHT_MORPH_HTC = 35,
        XRT_LIP_EXPRESSION_TONGUE_DOWNLEFT_MORPH_HTC = 36
};
 
enum xrt_facial_tracking_type_htc
{
        XRT_FACIAL_TRACKING_TYPE_EYE_DEFAULT_HTC = 1,
        XRT_FACIAL_TRACKING_TYPE_LIP_DEFAULT_HTC = 2
};
 
#define XRT_FACIAL_EXPRESSION_EYE_COUNT_HTC 14
#define XRT_FACIAL_EXPRESSION_LIP_COUNT_HTC 37
 
enum xrt_face_confidence_regions_android
{
        XRT_FACE_CONFIDENCE_REGIONS_LOWER_ANDROID = 0,
        XRT_FACE_CONFIDENCE_REGIONS_LEFT_UPPER_ANDROID = 1,
        XRT_FACE_CONFIDENCE_REGIONS_RIGHT_UPPER_ANDROID = 2,
};
 
enum xrt_face_parameter_indices_android
{
        XRT_FACE_PARAMETER_INDICES_BROW_LOWERER_L_ANDROID = 0,
        XRT_FACE_PARAMETER_INDICES_BROW_LOWERER_R_ANDROID = 1,
        XRT_FACE_PARAMETER_INDICES_CHEEK_PUFF_L_ANDROID = 2,
        XRT_FACE_PARAMETER_INDICES_CHEEK_PUFF_R_ANDROID = 3,
        XRT_FACE_PARAMETER_INDICES_CHEEK_RAISER_L_ANDROID = 4,
        XRT_FACE_PARAMETER_INDICES_CHEEK_RAISER_R_ANDROID = 5,
        XRT_FACE_PARAMETER_INDICES_CHEEK_SUCK_L_ANDROID = 6,
        XRT_FACE_PARAMETER_INDICES_CHEEK_SUCK_R_ANDROID = 7,
        XRT_FACE_PARAMETER_INDICES_CHIN_RAISER_B_ANDROID = 8,
        XRT_FACE_PARAMETER_INDICES_CHIN_RAISER_T_ANDROID = 9,
        XRT_FACE_PARAMETER_INDICES_DIMPLER_L_ANDROID = 10,
        XRT_FACE_PARAMETER_INDICES_DIMPLER_R_ANDROID = 11,
        XRT_FACE_PARAMETER_INDICES_EYES_CLOSED_L_ANDROID = 12,
        XRT_FACE_PARAMETER_INDICES_EYES_CLOSED_R_ANDROID = 13,
        XRT_FACE_PARAMETER_INDICES_EYES_LOOK_DOWN_L_ANDROID = 14,
        XRT_FACE_PARAMETER_INDICES_EYES_LOOK_DOWN_R_ANDROID = 15,
        XRT_FACE_PARAMETER_INDICES_EYES_LOOK_LEFT_L_ANDROID = 16,
        XRT_FACE_PARAMETER_INDICES_EYES_LOOK_LEFT_R_ANDROID = 17,
        XRT_FACE_PARAMETER_INDICES_EYES_LOOK_RIGHT_L_ANDROID = 18,
        XRT_FACE_PARAMETER_INDICES_EYES_LOOK_RIGHT_R_ANDROID = 19,
        XRT_FACE_PARAMETER_INDICES_EYES_LOOK_UP_L_ANDROID = 20,
        XRT_FACE_PARAMETER_INDICES_EYES_LOOK_UP_R_ANDROID = 21,
        XRT_FACE_PARAMETER_INDICES_INNER_BROW_RAISER_L_ANDROID = 22,
        XRT_FACE_PARAMETER_INDICES_INNER_BROW_RAISER_R_ANDROID = 23,
        XRT_FACE_PARAMETER_INDICES_JAW_DROP_ANDROID = 24,
        XRT_FACE_PARAMETER_INDICES_JAW_SIDEWAYS_LEFT_ANDROID = 25,
        XRT_FACE_PARAMETER_INDICES_JAW_SIDEWAYS_RIGHT_ANDROID = 26,
        XRT_FACE_PARAMETER_INDICES_JAW_THRUST_ANDROID = 27,
        XRT_FACE_PARAMETER_INDICES_LID_TIGHTENER_L_ANDROID = 28,
        XRT_FACE_PARAMETER_INDICES_LID_TIGHTENER_R_ANDROID = 29,
        XRT_FACE_PARAMETER_INDICES_LIP_CORNER_DEPRESSOR_L_ANDROID = 30,
        XRT_FACE_PARAMETER_INDICES_LIP_CORNER_DEPRESSOR_R_ANDROID = 31,
        XRT_FACE_PARAMETER_INDICES_LIP_CORNER_PULLER_L_ANDROID = 32,
        XRT_FACE_PARAMETER_INDICES_LIP_CORNER_PULLER_R_ANDROID = 33,
        XRT_FACE_PARAMETER_INDICES_LIP_FUNNELER_LB_ANDROID = 34,
        XRT_FACE_PARAMETER_INDICES_LIP_FUNNELER_LT_ANDROID = 35,
        XRT_FACE_PARAMETER_INDICES_LIP_FUNNELER_RB_ANDROID = 36,
        XRT_FACE_PARAMETER_INDICES_LIP_FUNNELER_RT_ANDROID = 37,
        XRT_FACE_PARAMETER_INDICES_LIP_PRESSOR_L_ANDROID = 38,
        XRT_FACE_PARAMETER_INDICES_LIP_PRESSOR_R_ANDROID = 39,
        XRT_FACE_PARAMETER_INDICES_LIP_PUCKER_L_ANDROID = 40,
        XRT_FACE_PARAMETER_INDICES_LIP_PUCKER_R_ANDROID = 41,
        XRT_FACE_PARAMETER_INDICES_LIP_STRETCHER_L_ANDROID = 42,
        XRT_FACE_PARAMETER_INDICES_LIP_STRETCHER_R_ANDROID = 43,
        XRT_FACE_PARAMETER_INDICES_LIP_SUCK_LB_ANDROID = 44,
        XRT_FACE_PARAMETER_INDICES_LIP_SUCK_LT_ANDROID = 45,
        XRT_FACE_PARAMETER_INDICES_LIP_SUCK_RB_ANDROID = 46,
        XRT_FACE_PARAMETER_INDICES_LIP_SUCK_RT_ANDROID = 47,
        XRT_FACE_PARAMETER_INDICES_LIP_TIGHTENER_L_ANDROID = 48,
        XRT_FACE_PARAMETER_INDICES_LIP_TIGHTENER_R_ANDROID = 49,
        XRT_FACE_PARAMETER_INDICES_LIPS_TOWARD_ANDROID = 50,
        XRT_FACE_PARAMETER_INDICES_LOWER_LIP_DEPRESSOR_L_ANDROID = 51,
        XRT_FACE_PARAMETER_INDICES_LOWER_LIP_DEPRESSOR_R_ANDROID = 52,
        XRT_FACE_PARAMETER_INDICES_MOUTH_LEFT_ANDROID = 53,
        XRT_FACE_PARAMETER_INDICES_MOUTH_RIGHT_ANDROID = 54,
        XRT_FACE_PARAMETER_INDICES_NOSE_WRINKLER_L_ANDROID = 55,
        XRT_FACE_PARAMETER_INDICES_NOSE_WRINKLER_R_ANDROID = 56,
        XRT_FACE_PARAMETER_INDICES_OUTER_BROW_RAISER_L_ANDROID = 57,
        XRT_FACE_PARAMETER_INDICES_OUTER_BROW_RAISER_R_ANDROID = 58,
        XRT_FACE_PARAMETER_INDICES_UPPER_LID_RAISER_L_ANDROID = 59,
        XRT_FACE_PARAMETER_INDICES_UPPER_LID_RAISER_R_ANDROID = 60,
        XRT_FACE_PARAMETER_INDICES_UPPER_LIP_RAISER_L_ANDROID = 61,
        XRT_FACE_PARAMETER_INDICES_UPPER_LIP_RAISER_R_ANDROID = 62,
        XRT_FACE_PARAMETER_INDICES_TONGUE_OUT_ANDROID = 63,
        XRT_FACE_PARAMETER_INDICES_TONGUE_LEFT_ANDROID = 64,
        XRT_FACE_PARAMETER_INDICES_TONGUE_RIGHT_ANDROID = 65,
        XRT_FACE_PARAMETER_INDICES_TONGUE_UP_ANDROID = 66,
        XRT_FACE_PARAMETER_INDICES_TONGUE_DOWN_ANDROID = 67,
};
 
enum xrt_face_tracking_state_android
{
        XRT_FACE_TRACKING_STATE_PAUSED_ANDROID = 0,
        XRT_FACE_TRACKING_STATE_STOPPED_ANDROID = 1,
        XRT_FACE_TRACKING_STATE_TRACKING_ANDROID = 2,
};
 
#define XRT_FACE_PARAMETER_COUNT_ANDROID 68
 
#define XRT_FACE_REGION_CONFIDENCE_COUNT_ANDROID 3
 
struct xrt_facial_base_expression_set_htc
{
        int64_t sample_time_ns;
        XRT_ALIGNAS(8) bool is_active;
};
 
struct xrt_facial_eye_expression_set_htc
{
        struct xrt_facial_base_expression_set_htc base;
        /// ordered by @ref xrt_eye_expression_htc
        float expression_weights[XRT_FACIAL_EXPRESSION_EYE_COUNT_HTC];
};
 
struct xrt_facial_lip_expression_set_htc
{
        struct xrt_facial_base_expression_set_htc base;
        /// ordered by @ref xrt_lip_expression_htc
        float expression_weights[XRT_FACIAL_EXPRESSION_LIP_COUNT_HTC];
};
 
struct xrt_facial_expression_set2_fb
{
        float weights[XRT_FACE_EXPRESSION2_COUNT_FB];
        float confidences[XRT_FACE_CONFIDENCE2_COUNT_FB];
 
        enum xrt_face_tracking_data_source2_fb data_source;
        int64_t sample_time_ns;
 
        XRT_ALIGNAS(8) bool is_valid;
        bool is_eye_following_blendshapes_valid;
};
 
struct xrt_facial_expression_set_android
{
        // ordered by xrt_face_parameter_indices_android
        float parameters[XRT_FACE_PARAMETER_COUNT_ANDROID];
        float region_confidences[XRT_FACE_REGION_CONFIDENCE_COUNT_ANDROID];
 
        enum xrt_face_tracking_state_android state;
        int64_t sample_time_ns;
 
        XRT_ALIGNAS(8) bool is_valid;
};
 
struct xrt_facial_expression_set
{
        union {
                struct xrt_facial_base_expression_set_htc base_expression_set_htc;
                struct xrt_facial_eye_expression_set_htc eye_expression_set_htc;
                struct xrt_facial_lip_expression_set_htc lip_expression_set_htc;
                struct xrt_facial_expression_set2_fb face_expression_set2_fb;
                struct xrt_facial_expression_set_android face_expression_set_android;
        };
};
 
/// @addtogroup XR_FB_body_tracking
enum xrt_body_joint_fb
{
        XRT_BODY_JOINT_ROOT_FB = 0,
        XRT_BODY_JOINT_HIPS_FB = 1,
        XRT_BODY_JOINT_SPINE_LOWER_FB = 2,
        XRT_BODY_JOINT_SPINE_MIDDLE_FB = 3,
        XRT_BODY_JOINT_SPINE_UPPER_FB = 4,
        XRT_BODY_JOINT_CHEST_FB = 5,
        XRT_BODY_JOINT_NECK_FB = 6,
        XRT_BODY_JOINT_HEAD_FB = 7,
        XRT_BODY_JOINT_LEFT_SHOULDER_FB = 8,
        XRT_BODY_JOINT_LEFT_SCAPULA_FB = 9,
        XRT_BODY_JOINT_LEFT_ARM_UPPER_FB = 10,
        XRT_BODY_JOINT_LEFT_ARM_LOWER_FB = 11,
        XRT_BODY_JOINT_LEFT_HAND_WRIST_TWIST_FB = 12,
        XRT_BODY_JOINT_RIGHT_SHOULDER_FB = 13,
        XRT_BODY_JOINT_RIGHT_SCAPULA_FB = 14,
        XRT_BODY_JOINT_RIGHT_ARM_UPPER_FB = 15,
        XRT_BODY_JOINT_RIGHT_ARM_LOWER_FB = 16,
        XRT_BODY_JOINT_RIGHT_HAND_WRIST_TWIST_FB = 17,
        XRT_BODY_JOINT_LEFT_HAND_PALM_FB = 18,
        XRT_BODY_JOINT_LEFT_HAND_WRIST_FB = 19,
        XRT_BODY_JOINT_LEFT_HAND_THUMB_METACARPAL_FB = 20,
        XRT_BODY_JOINT_LEFT_HAND_THUMB_PROXIMAL_FB = 21,
        XRT_BODY_JOINT_LEFT_HAND_THUMB_DISTAL_FB = 22,
        XRT_BODY_JOINT_LEFT_HAND_THUMB_TIP_FB = 23,
        XRT_BODY_JOINT_LEFT_HAND_INDEX_METACARPAL_FB = 24,
        XRT_BODY_JOINT_LEFT_HAND_INDEX_PROXIMAL_FB = 25,
        XRT_BODY_JOINT_LEFT_HAND_INDEX_INTERMEDIATE_FB = 26,
        XRT_BODY_JOINT_LEFT_HAND_INDEX_DISTAL_FB = 27,
        XRT_BODY_JOINT_LEFT_HAND_INDEX_TIP_FB = 28,
        XRT_BODY_JOINT_LEFT_HAND_MIDDLE_METACARPAL_FB = 29,
        XRT_BODY_JOINT_LEFT_HAND_MIDDLE_PROXIMAL_FB = 30,
        XRT_BODY_JOINT_LEFT_HAND_MIDDLE_INTERMEDIATE_FB = 31,
        XRT_BODY_JOINT_LEFT_HAND_MIDDLE_DISTAL_FB = 32,
        XRT_BODY_JOINT_LEFT_HAND_MIDDLE_TIP_FB = 33,
        XRT_BODY_JOINT_LEFT_HAND_RING_METACARPAL_FB = 34,
        XRT_BODY_JOINT_LEFT_HAND_RING_PROXIMAL_FB = 35,
        XRT_BODY_JOINT_LEFT_HAND_RING_INTERMEDIATE_FB = 36,
        XRT_BODY_JOINT_LEFT_HAND_RING_DISTAL_FB = 37,
        XRT_BODY_JOINT_LEFT_HAND_RING_TIP_FB = 38,
        XRT_BODY_JOINT_LEFT_HAND_LITTLE_METACARPAL_FB = 39,
        XRT_BODY_JOINT_LEFT_HAND_LITTLE_PROXIMAL_FB = 40,
        XRT_BODY_JOINT_LEFT_HAND_LITTLE_INTERMEDIATE_FB = 41,
        XRT_BODY_JOINT_LEFT_HAND_LITTLE_DISTAL_FB = 42,
        XRT_BODY_JOINT_LEFT_HAND_LITTLE_TIP_FB = 43,
        XRT_BODY_JOINT_RIGHT_HAND_PALM_FB = 44,
        XRT_BODY_JOINT_RIGHT_HAND_WRIST_FB = 45,
        XRT_BODY_JOINT_RIGHT_HAND_THUMB_METACARPAL_FB = 46,
        XRT_BODY_JOINT_RIGHT_HAND_THUMB_PROXIMAL_FB = 47,
        XRT_BODY_JOINT_RIGHT_HAND_THUMB_DISTAL_FB = 48,
        XRT_BODY_JOINT_RIGHT_HAND_THUMB_TIP_FB = 49,
        XRT_BODY_JOINT_RIGHT_HAND_INDEX_METACARPAL_FB = 50,
        XRT_BODY_JOINT_RIGHT_HAND_INDEX_PROXIMAL_FB = 51,
        XRT_BODY_JOINT_RIGHT_HAND_INDEX_INTERMEDIATE_FB = 52,
        XRT_BODY_JOINT_RIGHT_HAND_INDEX_DISTAL_FB = 53,
        XRT_BODY_JOINT_RIGHT_HAND_INDEX_TIP_FB = 54,
        XRT_BODY_JOINT_RIGHT_HAND_MIDDLE_METACARPAL_FB = 55,
        XRT_BODY_JOINT_RIGHT_HAND_MIDDLE_PROXIMAL_FB = 56,
        XRT_BODY_JOINT_RIGHT_HAND_MIDDLE_INTERMEDIATE_FB = 57,
        XRT_BODY_JOINT_RIGHT_HAND_MIDDLE_DISTAL_FB = 58,
        XRT_BODY_JOINT_RIGHT_HAND_MIDDLE_TIP_FB = 59,
        XRT_BODY_JOINT_RIGHT_HAND_RING_METACARPAL_FB = 60,
        XRT_BODY_JOINT_RIGHT_HAND_RING_PROXIMAL_FB = 61,
        XRT_BODY_JOINT_RIGHT_HAND_RING_INTERMEDIATE_FB = 62,
        XRT_BODY_JOINT_RIGHT_HAND_RING_DISTAL_FB = 63,
        XRT_BODY_JOINT_RIGHT_HAND_RING_TIP_FB = 64,
        XRT_BODY_JOINT_RIGHT_HAND_LITTLE_METACARPAL_FB = 65,
        XRT_BODY_JOINT_RIGHT_HAND_LITTLE_PROXIMAL_FB = 66,
        XRT_BODY_JOINT_RIGHT_HAND_LITTLE_INTERMEDIATE_FB = 67,
        XRT_BODY_JOINT_RIGHT_HAND_LITTLE_DISTAL_FB = 68,
        XRT_BODY_JOINT_RIGHT_HAND_LITTLE_TIP_FB = 69,
        XRT_BODY_JOINT_COUNT_FB = 70,
        XRT_BODY_JOINT_NONE_FB = -1,
};
 
/// @addtogroup XR_META_body_tracking_full_body
enum xrt_full_body_joint_meta
{
        XRT_FULL_BODY_JOINT_ROOT_META = 0,
        XRT_FULL_BODY_JOINT_HIPS_META = 1,
        XRT_FULL_BODY_JOINT_SPINE_LOWER_META = 2,
        XRT_FULL_BODY_JOINT_SPINE_MIDDLE_META = 3,
        XRT_FULL_BODY_JOINT_SPINE_UPPER_META = 4,
        XRT_FULL_BODY_JOINT_CHEST_META = 5,
        XRT_FULL_BODY_JOINT_NECK_META = 6,
        XRT_FULL_BODY_JOINT_HEAD_META = 7,
        XRT_FULL_BODY_JOINT_LEFT_SHOULDER_META = 8,
        XRT_FULL_BODY_JOINT_LEFT_SCAPULA_META = 9,
        XRT_FULL_BODY_JOINT_LEFT_ARM_UPPER_META = 10,
        XRT_FULL_BODY_JOINT_LEFT_ARM_LOWER_META = 11,
        XRT_FULL_BODY_JOINT_LEFT_HAND_WRIST_TWIST_META = 12,
        XRT_FULL_BODY_JOINT_RIGHT_SHOULDER_META = 13,
        XRT_FULL_BODY_JOINT_RIGHT_SCAPULA_META = 14,
        XRT_FULL_BODY_JOINT_RIGHT_ARM_UPPER_META = 15,
        XRT_FULL_BODY_JOINT_RIGHT_ARM_LOWER_META = 16,
        XRT_FULL_BODY_JOINT_RIGHT_HAND_WRIST_TWIST_META = 17,
        XRT_FULL_BODY_JOINT_LEFT_HAND_PALM_META = 18,
        XRT_FULL_BODY_JOINT_LEFT_HAND_WRIST_META = 19,
        XRT_FULL_BODY_JOINT_LEFT_HAND_THUMB_METACARPAL_META = 20,
        XRT_FULL_BODY_JOINT_LEFT_HAND_THUMB_PROXIMAL_META = 21,
        XRT_FULL_BODY_JOINT_LEFT_HAND_THUMB_DISTAL_META = 22,
        XRT_FULL_BODY_JOINT_LEFT_HAND_THUMB_TIP_META = 23,
        XRT_FULL_BODY_JOINT_LEFT_HAND_INDEX_METACARPAL_META = 24,
        XRT_FULL_BODY_JOINT_LEFT_HAND_INDEX_PROXIMAL_META = 25,
        XRT_FULL_BODY_JOINT_LEFT_HAND_INDEX_INTERMEDIATE_META = 26,
        XRT_FULL_BODY_JOINT_LEFT_HAND_INDEX_DISTAL_META = 27,
        XRT_FULL_BODY_JOINT_LEFT_HAND_INDEX_TIP_META = 28,
        XRT_FULL_BODY_JOINT_LEFT_HAND_MIDDLE_METACARPAL_META = 29,
        XRT_FULL_BODY_JOINT_LEFT_HAND_MIDDLE_PROXIMAL_META = 30,
        XRT_FULL_BODY_JOINT_LEFT_HAND_MIDDLE_INTERMEDIATE_META = 31,
        XRT_FULL_BODY_JOINT_LEFT_HAND_MIDDLE_DISTAL_META = 32,
        XRT_FULL_BODY_JOINT_LEFT_HAND_MIDDLE_TIP_META = 33,
        XRT_FULL_BODY_JOINT_LEFT_HAND_RING_METACARPAL_META = 34,
        XRT_FULL_BODY_JOINT_LEFT_HAND_RING_PROXIMAL_META = 35,
        XRT_FULL_BODY_JOINT_LEFT_HAND_RING_INTERMEDIATE_META = 36,
        XRT_FULL_BODY_JOINT_LEFT_HAND_RING_DISTAL_META = 37,
        XRT_FULL_BODY_JOINT_LEFT_HAND_RING_TIP_META = 38,
        XRT_FULL_BODY_JOINT_LEFT_HAND_LITTLE_METACARPAL_META = 39,
        XRT_FULL_BODY_JOINT_LEFT_HAND_LITTLE_PROXIMAL_META = 40,
        XRT_FULL_BODY_JOINT_LEFT_HAND_LITTLE_INTERMEDIATE_META = 41,
        XRT_FULL_BODY_JOINT_LEFT_HAND_LITTLE_DISTAL_META = 42,
        XRT_FULL_BODY_JOINT_LEFT_HAND_LITTLE_TIP_META = 43,
        XRT_FULL_BODY_JOINT_RIGHT_HAND_PALM_META = 44,
        XRT_FULL_BODY_JOINT_RIGHT_HAND_WRIST_META = 45,
        XRT_FULL_BODY_JOINT_RIGHT_HAND_THUMB_METACARPAL_META = 46,
        XRT_FULL_BODY_JOINT_RIGHT_HAND_THUMB_PROXIMAL_META = 47,
        XRT_FULL_BODY_JOINT_RIGHT_HAND_THUMB_DISTAL_META = 48,
        XRT_FULL_BODY_JOINT_RIGHT_HAND_THUMB_TIP_META = 49,
        XRT_FULL_BODY_JOINT_RIGHT_HAND_INDEX_METACARPAL_META = 50,
        XRT_FULL_BODY_JOINT_RIGHT_HAND_INDEX_PROXIMAL_META = 51,
        XRT_FULL_BODY_JOINT_RIGHT_HAND_INDEX_INTERMEDIATE_META = 52,
        XRT_FULL_BODY_JOINT_RIGHT_HAND_INDEX_DISTAL_META = 53,
        XRT_FULL_BODY_JOINT_RIGHT_HAND_INDEX_TIP_META = 54,
        XRT_FULL_BODY_JOINT_RIGHT_HAND_MIDDLE_METACARPAL_META = 55,
        XRT_FULL_BODY_JOINT_RIGHT_HAND_MIDDLE_PROXIMAL_META = 56,
        XRT_FULL_BODY_JOINT_RIGHT_HAND_MIDDLE_INTERMEDIATE_META = 57,
        XRT_FULL_BODY_JOINT_RIGHT_HAND_MIDDLE_DISTAL_META = 58,
        XRT_FULL_BODY_JOINT_RIGHT_HAND_MIDDLE_TIP_META = 59,
        XRT_FULL_BODY_JOINT_RIGHT_HAND_RING_METACARPAL_META = 60,
        XRT_FULL_BODY_JOINT_RIGHT_HAND_RING_PROXIMAL_META = 61,
        XRT_FULL_BODY_JOINT_RIGHT_HAND_RING_INTERMEDIATE_META = 62,
        XRT_FULL_BODY_JOINT_RIGHT_HAND_RING_DISTAL_META = 63,
        XRT_FULL_BODY_JOINT_RIGHT_HAND_RING_TIP_META = 64,
        XRT_FULL_BODY_JOINT_RIGHT_HAND_LITTLE_METACARPAL_META = 65,
        XRT_FULL_BODY_JOINT_RIGHT_HAND_LITTLE_PROXIMAL_META = 66,
        XRT_FULL_BODY_JOINT_RIGHT_HAND_LITTLE_INTERMEDIATE_META = 67,
        XRT_FULL_BODY_JOINT_RIGHT_HAND_LITTLE_DISTAL_META = 68,
        XRT_FULL_BODY_JOINT_RIGHT_HAND_LITTLE_TIP_META = 69,
        XRT_FULL_BODY_JOINT_LEFT_UPPER_LEG_META = 70,
        XRT_FULL_BODY_JOINT_LEFT_LOWER_LEG_META = 71,
        XRT_FULL_BODY_JOINT_LEFT_FOOT_ANKLE_TWIST_META = 72,
        XRT_FULL_BODY_JOINT_LEFT_FOOT_ANKLE_META = 73,
        XRT_FULL_BODY_JOINT_LEFT_FOOT_SUBTALAR_META = 74,
        XRT_FULL_BODY_JOINT_LEFT_FOOT_TRANSVERSE_META = 75,
        XRT_FULL_BODY_JOINT_LEFT_FOOT_BALL_META = 76,
        XRT_FULL_BODY_JOINT_RIGHT_UPPER_LEG_META = 77,
        XRT_FULL_BODY_JOINT_RIGHT_LOWER_LEG_META = 78,
        XRT_FULL_BODY_JOINT_RIGHT_FOOT_ANKLE_TWIST_META = 79,
        XRT_FULL_BODY_JOINT_RIGHT_FOOT_ANKLE_META = 80,
        XRT_FULL_BODY_JOINT_RIGHT_FOOT_SUBTALAR_META = 81,
        XRT_FULL_BODY_JOINT_RIGHT_FOOT_TRANSVERSE_META = 82,
        XRT_FULL_BODY_JOINT_RIGHT_FOOT_BALL_META = 83,
        XRT_FULL_BODY_JOINT_COUNT_META = 84,
        XRT_FULL_BODY_JOINT_NONE_META = 85,
};
 
/// @addtogroup XR_META_body_tracking_full_body
enum xrt_body_joint_set_type_fb
{
        XRT_BODY_JOINT_SET_UNKNOWN = 0,
        // XR_FB_body_tracking
        XRT_BODY_JOINT_SET_DEFAULT_FB,
        // XR_META_body_tracking_full_body
        XRT_BODY_JOINT_SET_FULL_BODY_META,
};
 
/// @addtogroup XR_META_body_tracking_calibration
enum xrt_body_tracking_calibration_state_meta
{
        // Valid calibration, pose is safe to use
        XRT_BODY_TRACKING_CALIBRATION_STATE_VALID_META = 1,
        // Calibration is still running, pose may be incorrect
        XRT_BODY_TRACKING_CALIBRATION_STATE_CALIBRATING_META = 2,
        // Calibration is invalid, pose is not safe to use
        XRT_BODY_TRACKING_CALIBRATION_STATE_INVALID_META = 3,
};
 
/// @addtogroup XR_FB_body_tracking
struct xrt_body_skeleton_joint_fb
{
        struct xrt_pose pose;
        int32_t joint;
        int32_t parent_joint;
};
 
/// @addtogroup XR_FB_body_tracking
struct xrt_body_skeleton_fb
{
        /// ordered by @ref xrt_body_joint_fb
        struct xrt_body_skeleton_joint_fb joints[XRT_BODY_JOINT_COUNT_FB];
};
 
/// @addtogroup  XR_META_body_tracking_full_body
struct xrt_full_body_skeleton_meta
{
        /// ordered by @ref xrt_full_body_joint_meta
        struct xrt_body_skeleton_joint_fb joints[XRT_FULL_BODY_JOINT_COUNT_META];
};
 
// structure is a container to represent the body skeleton in T-pose including the joint hierarchy,
// can have info such as skeleton scale and proportions
struct xrt_body_skeleton
{
        union {
                struct xrt_body_skeleton_fb body_skeleton_fb;
                struct xrt_full_body_skeleton_meta full_body_skeleton_meta;
        };
};
 
struct xrt_body_joint_location_fb
{
        struct xrt_space_relation relation;
};
 
struct xrt_base_body_joint_set_meta
{
        int64_t sample_time_ns;
        float confidence;
        uint32_t skeleton_changed_count;
        XRT_ALIGNAS(8) bool is_active;
 
        struct
        {
                // Requires XR_META_body_tracking_calibration, @ref xrt_device_supported::body_tracking_calibration
                enum xrt_body_tracking_calibration_state_meta calibration_status;
        } exts;
};
 
// XR_FB_body_tracking
struct xrt_body_joint_set_fb
{
        struct xrt_base_body_joint_set_meta base;
        // ordered by xrt_body_joint_fb
        struct xrt_body_joint_location_fb joint_locations[XRT_BODY_JOINT_COUNT_FB];
};
 
// XR_META_body_tracking_full_body
struct xrt_full_body_joint_set_meta
{
        struct xrt_base_body_joint_set_meta base;
        // ordered by xrt_full_body_joint_meta
        struct xrt_body_joint_location_fb joint_locations[XRT_FULL_BODY_JOINT_COUNT_META];
};
 
struct xrt_body_joint_set
{
        union {
                struct xrt_base_body_joint_set_meta base_body_joint_set_meta;
                struct xrt_body_joint_set_fb body_joint_set_fb;
                struct xrt_full_body_joint_set_meta full_body_joint_set_meta;
        };
        // in driver global space, without tracking_origin offset
        struct xrt_space_relation body_pose;
};
 
/*!
 * Value used to indicate a haptic pulse of the minimal supported duration.
 *
 * @ingroup xrt_iface
 */
#define XRT_MIN_HAPTIC_DURATION -1
 
/*!
 * Value used to indicate a haptic pulse of some runtime defined optimal
 * frequency.
 *
 * @ingroup xrt_iface
 */
 
#define XRT_FREQUENCY_UNSPECIFIED 0
 
/*!
 * Value used as a timeout to indicate the timeout should never occur.
 *
 * @ingroup xrt_iface
 */
#define XRT_INFINITE_DURATION (0x7fffffffffffffffLL)
 
enum xrt_force_feedback_location
{
        XRT_FORCE_FEEDBACK_LOCATION_LEFT_THUMB,
        XRT_FORCE_FEEDBACK_LOCATION_LEFT_INDEX,
        XRT_FORCE_FEEDBACK_LOCATION_LEFT_MIDDLE,
        XRT_FORCE_FEEDBACK_LOCATION_LEFT_RING,
        XRT_FORCE_FEEDBACK_LOCATION_LEFT_PINKY,
};
 
struct xrt_output_force_feedback
{
        float value;
        enum xrt_force_feedback_location location;
};
 
enum xrt_output_value_type
{
        XRT_OUTPUT_VALUE_TYPE_VIBRATION,
        XRT_OUTPUT_VALUE_TYPE_PCM_VIBRATION,
        XRT_OUTPUT_VALUE_TYPE_FORCE_FEEDBACK,
};
 
struct xrt_output_value_vibration
{
        XRT_ALIGNAS(8) float frequency;
        float amplitude;
        int64_t duration_ns;
};
 
struct xrt_output_value_pcm_vibration
{
        uint32_t buffer_size;
        XRT_ALIGNAS(8) const float *buffer;
        XRT_ALIGNAS(8) float sample_rate;
        bool append;
        uint32_t *samples_consumed;
};
 
struct xrt_output_value_force_feedback
{
        struct xrt_output_force_feedback force_feedback[5];
        uint64_t force_feedback_location_count;
};
 
/*!
 * A union of all output types.
 *
 * @see xrt_output_type
 * @ingroup xrt_iface math
 */
struct xrt_output_value
{
        enum xrt_output_value_type type;
 
        union {
                struct xrt_output_value_vibration vibration;
                struct xrt_output_value_pcm_vibration pcm_vibration;
                struct xrt_output_value_force_feedback force_feedback;
        };
};
 
/*
 *
 * Misc enums.
 *
 */
 
/*!
 * What form factor is this device, mostly maps onto OpenXR's @p XrFormFactor.
 *
 * @ingroup xrt_iface
 */
enum xrt_form_factor
{
        XRT_FORM_FACTOR_HMD,      //!< Head mounted display.
        XRT_FORM_FACTOR_HANDHELD, //!< Handheld display.
};
 
/*!
 * View type to be rendered to by the compositor.
 */
enum xrt_view_type
{
        XRT_VIEW_TYPE_MONO = 1,
        XRT_VIEW_TYPE_STEREO = 2,
};
 
/*!
 * Domain type.
 * Use for performance level setting
 * Which hardware should be boost/decrease
 */
enum xrt_perf_domain
{
        XRT_PERF_DOMAIN_CPU = 1,
        XRT_PERF_DOMAIN_GPU = 2,
};
 
enum xrt_perf_sub_domain
{
        XRT_PERF_SUB_DOMAIN_COMPOSITING = 1,
        XRT_PERF_SUB_DOMAIN_RENDERING = 2,
        XRT_PERF_SUB_DOMAIN_THERMAL = 3
};
 
/*!
 * Performance level.
 */
enum xrt_perf_set_level
{
        XRT_PERF_SET_LEVEL_POWER_SAVINGS = 0,
        XRT_PERF_SET_LEVEL_SUSTAINED_LOW = 25,
        XRT_PERF_SET_LEVEL_SUSTAINED_HIGH = 50,
        XRT_PERF_SET_LEVEL_BOOST = 75,
};
 
/*!
 * Performance level.
 */
enum xrt_perf_notify_level
{
        XRT_PERF_NOTIFY_LEVEL_NORMAL = 0,
        XRT_PERF_NOTIFY_LEVEL_WARNING = 25,
        XRT_PERF_NOTIFY_LEVEL_IMPAIRED = 75,
};
 
/*!
 * Visibility mask, mirror of XrVisibilityMaskKHR
 *
 * @ingroup xrt_iface
 */
enum xrt_visibility_mask_type
{
        XRT_VISIBILITY_MASK_TYPE_HIDDEN_TRIANGLE_MESH = 1,
        XRT_VISIBILITY_MASK_TYPE_VISIBLE_TRIANGLE_MESH = 2,
        XRT_VISIBILITY_MASK_TYPE_LINE_LOOP = 3,
};
 
 
/*
 *
 * Inline functions
 *
 */
 
// @note We're not using U_LOG_RAW because we can't include u_logging.h inside xrt_defines.h without causing problems.
#if 0
#define XRT_REFERENCE_DEBUG_PRINT(ACTION, PTR, COUNT)                                                                  \
        do {                                                                                                           \
                int32_t __count = (COUNT);                                                                             \
                printf(#ACTION " %p to %u", (void *)(PTR), __count);                                                   \
                if (__count < 0) {                                                                                     \
                        XRT_DEBUGBREAK();                                                                              \
                }                                                                                                      \
        } while (false)
#else
#define XRT_REFERENCE_DEBUG_PRINT(ACTION, PTR, COUNT)
#endif
 
/*!
 * Increment the reference, probably want @ref xrt_reference_inc_and_was_zero.
 *
 * @memberof xrt_reference
 * @ingroup xrt_iface
 */
static inline void
xrt_reference_inc(struct xrt_reference *xref)
{
        XRT_MAYBE_UNUSED int32_t count = xrt_atomic_s32_inc_return(&xref->count);
 
        XRT_REFERENCE_DEBUG_PRINT(Incremented, xref, count);
}
 
/*!
 * Decrement the reference, probably want @ref xrt_reference_dec_and_is_zero.
 *
 * @memberof xrt_reference
 * @ingroup xrt_iface
 */
static inline void
xrt_reference_dec(struct xrt_reference *xref)
{
        XRT_MAYBE_UNUSED int32_t count = xrt_atomic_s32_dec_return(&xref->count);
 
        XRT_REFERENCE_DEBUG_PRINT(Decremented, xref, count);
}
 
/*!
 * Increment the reference and return true if the value @p was zero.
 *
 * @memberof xrt_reference
 * @ingroup xrt_iface
 */
XRT_CHECK_RESULT static inline bool
xrt_reference_inc_and_was_zero(struct xrt_reference *xref)
{
        int32_t count = xrt_atomic_s32_inc_return(&xref->count);
 
        XRT_REFERENCE_DEBUG_PRINT(Incremented, xref, count);
 
        return count == 1;
}
 
/*!
 * Decrement the reference and return true if the value is now zero.
 *
 * @memberof xrt_reference
 * @ingroup xrt_iface
 */
XRT_CHECK_RESULT static inline bool
xrt_reference_dec_and_is_zero(struct xrt_reference *xref)
{
        int32_t count = xrt_atomic_s32_dec_return(&xref->count);
 
        XRT_REFERENCE_DEBUG_PRINT(Decremented, xref, count);
 
        return count == 0;
}
 
#ifdef __cplusplus
}
#endif