version 2.3.0

This commit is contained in:
Sean Lu(呂祥榮)
2024-05-15 14:09:18 +08:00
parent 45b4e46f74
commit 7f2a459592
289 changed files with 116381 additions and 5440 deletions

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// Copyright HTC Corporation All Rights Reserved.
#if UNITY_EDITOR
#define FAKE_DATA
#endif
using System;
using System.Runtime.InteropServices;
using UnityEngine;
using UnityEngine.XR.OpenXR;
using UnityEngine.XR.OpenXR.Features;
using VIVE.OpenXR.Feature;
#if UNITY_EDITOR
using UnityEditor;
using UnityEditor.XR.OpenXR.Features;
#endif
namespace VIVE.OpenXR.PlaneDetection
{
#if UNITY_EDITOR
[OpenXRFeature(UiName = "VIVE XR PlaneDetection",
Desc = "VIVE's implementaion of the XR_EXT_plane_detection.",
Company = "HTC",
DocumentationLink = "..\\Documentation",
OpenxrExtensionStrings = kOpenxrExtensionString,
Version = "1.0.0",
BuildTargetGroups = new[] { BuildTargetGroup.Android },
FeatureId = featureId
)]
#endif
public class VivePlaneDetection : OpenXRFeature
{
public const string kOpenxrExtensionString = "XR_EXT_plane_detection";
/// <summary>
/// The feature id string. This is used to give the feature a well known id for reference.
/// </summary>
public const string featureId = "vive.wave.openxr.feature.planedetection";
private bool m_XrInstanceCreated = false;
private XrInstance m_XrInstance = 0;
private bool m_XrSessionCreated = false;
private XrSession session = 0;
private XrSystemId m_XrSystemId = 0;
#region struct, enum, const of this extensions
/// <summary>
/// See <see href="https://registry.khronos.org/OpenXR/specs/1.0/html/xrspec.html#XrPlaneDetectorOrientationEXT">XrPlaneDetectorOrientationEXT</see>
/// </summary>
public enum XrPlaneDetectorOrientationEXT
{
HORIZONTAL_UPWARD_EXT = 0,
HORIZONTAL_DOWNWARD_EXT = 1,
VERTICAL_EXT = 2,
ARBITRARY_EXT = 3,
MAX_ENUM_EXT = 0x7FFFFFFF
}
/// <summary>
/// See <see href="https://registry.khronos.org/OpenXR/specs/1.0/html/xrspec.html#XrPlaneDetectorSemanticTypeEXT">XrPlaneDetectorSemanticTypeEXT</see>
/// </summary>
public enum XrPlaneDetectorSemanticTypeEXT
{
UNDEFINED_EXT = 0,
CEILING_EXT = 1,
FLOOR_EXT = 2,
WALL_EXT = 3,
PLATFORM_EXT = 4,
MAX_ENUM_EXT = 0x7FFFFFFF
}
/// <summary>
/// See <see href="https://registry.khronos.org/OpenXR/specs/1.0/html/xrspec.html#XrPlaneDetectionStateEXT">XrPlaneDetectionStateEXT</see>
/// </summary>
public enum XrPlaneDetectionStateEXT
{
NONE_EXT = 0,
PENDING_EXT = 1, // Try get plane detection state again
DONE_EXT = 2, // Ready to get result
ERROR_EXT = 3, // Can try begin again
FATAL_EXT = 4, // Should destroy the plane detector
MAX_ENUM_EXT = 0x7FFFFFFF
}
//XrFlags64 XrPlaneDetectionCapabilityFlagsEXT;
// Flag bits for XrPlaneDetectionCapabilityFlagsEXT
public static XrFlags64 CAPABILITY_PLANE_DETECTION_BIT_EXT = 0x00000001;
public static XrFlags64 CAPABILITY_PLANE_HOLES_BIT_EXT = 0x00000002;
public static XrFlags64 CAPABILITY_SEMANTIC_CEILING_BIT_EXT = 0x00000004;
public static XrFlags64 CAPABILITY_SEMANTIC_FLOOR_BIT_EXT = 0x00000008;
public static XrFlags64 CAPABILITY_SEMANTIC_WALL_BIT_EXT = 0x00000010;
public static XrFlags64 CAPABILITY_SEMANTIC_PLATFORM_BIT_EXT = 0x00000020;
public static XrFlags64 CAPABILITY_ORIENTATION_BIT_EXT = 0x00000040;
//XrFlags64 XrPlaneDetectorFlagsEXT;
// Flag bits for XrPlaneDetectorFlagsEXT
public static XrFlags64 XR_PLANE_DETECTOR_ENABLE_CONTOUR_BIT_EXT = 0x00000001;
/// <summary>
/// See <see href="https://registry.khronos.org/OpenXR/specs/1.0/html/xrspec.html#XrSystemPlaneDetectionPropertiesEXT">XrSystemPlaneDetectionPropertiesEXT</see>
/// </summary>
public struct XrSystemPlaneDetectionPropertiesEXT
{
public XrStructureType type;
public IntPtr next;
public XrFlags64 supportedFeatures; // XrPlaneDetectionCapabilityFlagsEXT
}
/// <summary>
/// See <see href="https://registry.khronos.org/OpenXR/specs/1.0/html/xrspec.html#XrPlaneDetectorCreateInfoEXT">XrPlaneDetectorCreateInfoEXT</see>
/// </summary>
public struct XrPlaneDetectorCreateInfoEXT
{
public XrStructureType type;
public IntPtr next;
public XrFlags64 flags; // XrPlaneDetectorFlagsEXT
}
/// <summary>
/// See <see href="https://registry.khronos.org/OpenXR/specs/1.0/html/xrspec.html#XrExtent3DfEXT">XrExtent3DfEXT</see>
/// </summary>
public struct XrExtent3DfEXT
{
public float width;
public float height;
public float depth;
public XrExtent3DfEXT(float width, float height, float depth)
{
this.width = width;
this.height = height;
this.depth = depth;
}
public XrExtent3DfEXT One => new XrExtent3DfEXT(1, 1, 1);
}
/// <summary>
/// See <see href="https://registry.khronos.org/OpenXR/specs/1.0/html/xrspec.html#XrPlaneDetectorBeginInfoEXT">XrPlaneDetectorBeginInfoEXT</see>
/// </summary>
public struct XrPlaneDetectorBeginInfoEXT
{
public XrStructureType type;
public IntPtr next;
public XrSpace baseSpace;
public XrTime time;
public uint orientationCount;
public IntPtr orientations; // XrPlaneDetectorOrientationEXT[]
public uint semanticTypeCount;
public IntPtr semanticTypes; // XrPlaneDetectorSemanticTypeEXT[]
public uint maxPlanes;
public float minArea;
public XrPosef boundingBoxPose;
public XrExtent3DfEXT boundingBoxExtent;
}
/// <summary>
/// See <see href="https://registry.khronos.org/OpenXR/specs/1.0/html/xrspec.html#XrPlaneDetectorGetInfoEXT">XrPlaneDetectorGetInfoEXT</see>
/// </summary>
public struct XrPlaneDetectorGetInfoEXT
{
public XrStructureType type;
public IntPtr next;
public XrSpace baseSpace;
public XrTime time;
}
/// <summary>
/// See <see href="https://registry.khronos.org/OpenXR/specs/1.0/html/xrspec.html#XrPlaneDetectorLocationEXT">XrPlaneDetectorLocationEXT</see>
/// </summary>
public struct XrPlaneDetectorLocationEXT
{
public XrStructureType type;
public IntPtr next;
public ulong planeId;
public XrSpaceLocationFlags locationFlags;
public XrPosef pose;
public XrExtent2Df extents;
public XrPlaneDetectorOrientationEXT orientation;
public XrPlaneDetectorSemanticTypeEXT semanticType;
public uint polygonBufferCount;
}
/// <summary>
/// See <see href="https://registry.khronos.org/OpenXR/specs/1.0/html/xrspec.html#XrPlaneDetectorLocationsEXT">XrPlaneDetectorLocationsEXT</see>
/// </summary>
public struct XrPlaneDetectorLocationsEXT
{
public XrStructureType type;
public IntPtr next;
public uint planeLocationCapacityInput;
public uint planeLocationCountOutput;
public IntPtr planeLocations; // XrPlaneDetectorLocationEXT[]
}
/// <summary>
/// See <see href="https://registry.khronos.org/OpenXR/specs/1.0/html/xrspec.html#XrPlaneDetectorPolygonBufferEXT">XrPlaneDetectorPolygonBufferEXT</see>
/// </summary>
public struct XrPlaneDetectorPolygonBufferEXT
{
public XrStructureType type;
public IntPtr next;
public uint vertexCapacityInput;
public uint vertexCountOutput;
public IntPtr vertices; // XrVector2f[]
}
#endregion
#region delegates and delegate instances
delegate XrResult DelegateXrCreatePlaneDetectorEXT(XrSession session, ref XrPlaneDetectorCreateInfoEXT createInfo, ref IntPtr/*XrPlaneDetectorEXT*/
planeDetector);
delegate XrResult DelegateXrDestroyPlaneDetectorEXT(IntPtr/*XrPlaneDetectorEXT*/ planeDetector);
delegate XrResult DelegateXrBeginPlaneDetectionEXT(IntPtr/*XrPlaneDetectorEXT*/ planeDetector, ref XrPlaneDetectorBeginInfoEXT beginInfo);
delegate XrResult DelegateXrGetPlaneDetectionStateEXT(IntPtr/*XrPlaneDetectorEXT*/planeDetector, ref XrPlaneDetectionStateEXT state);
delegate XrResult DelegateXrGetPlaneDetectionsEXT(IntPtr/*XrPlaneDetectorEXT*/planeDetector, ref XrPlaneDetectorGetInfoEXT info, ref XrPlaneDetectorLocationsEXT locations);
delegate XrResult DelegateXrGetPlanePolygonBufferEXT(IntPtr/*XrPlaneDetectorEXT*/planeDetector, ulong planeId, uint polygonBufferIndex, ref XrPlaneDetectorPolygonBufferEXT polygonBuffer);
DelegateXrCreatePlaneDetectorEXT XrCreatePlaneDetectorEXT;
DelegateXrDestroyPlaneDetectorEXT XrDestroyPlaneDetectorEXT;
DelegateXrBeginPlaneDetectionEXT XrBeginPlaneDetectionEXT;
DelegateXrGetPlaneDetectionStateEXT XrGetPlaneDetectionStateEXT;
DelegateXrGetPlaneDetectionsEXT XrGetPlaneDetectionsEXT;
DelegateXrGetPlanePolygonBufferEXT XrGetPlanePolygonBufferEXT;
#endregion delegates and delegate instances
#region override functions
protected override IntPtr HookGetInstanceProcAddr(IntPtr func)
{
return ViveInterceptors.Instance.HookGetInstanceProcAddr(func);
}
/// <inheritdoc />
protected override bool OnInstanceCreate(ulong xrInstance)
{
//Debug.Log("VIVEPD OnInstanceCreate() ");
if (!OpenXRRuntime.IsExtensionEnabled(kOpenxrExtensionString))
{
Debug.LogWarning("OnInstanceCreate() " + kOpenxrExtensionString + " is NOT enabled.");
return false;
}
m_XrInstanceCreated = true;
m_XrInstance = xrInstance;
//Debug.Log("OnInstanceCreate() " + m_XrInstance);
CommonWrapper.Instance.OnInstanceCreate(xrInstance, xrGetInstanceProcAddr);
SpaceWrapper.Instance.OnInstanceCreate(xrInstance, CommonWrapper.Instance.GetInstanceProcAddr);
return GetXrFunctionDelegates(m_XrInstance);
}
protected override void OnInstanceDestroy(ulong xrInstance)
{
CommonWrapper.Instance.OnInstanceDestroy();
SpaceWrapper.Instance.OnInstanceDestroy();
}
/// <inheritdoc />
protected override void OnSessionCreate(ulong xrSession)
{
Debug.Log("VIVEPD OnSessionCreate() ");
// here's one way you can grab the session
Debug.Log($"EXT: Got xrSession: {xrSession}");
session = xrSession;
m_XrSessionCreated = true;
}
/// <inheritdoc />
protected override void OnSessionBegin(ulong xrSession)
{
Debug.Log("VIVEPD OnSessionBegin() ");
Debug.Log($"EXT: xrBeginSession: {xrSession}");
}
/// <inheritdoc />
protected override void OnSessionEnd(ulong xrSession)
{
Debug.Log("VIVEPD OnSessionEnd() ");
Debug.Log($"EXT: about to xrEndSession: {xrSession}");
}
// XXX Every millisecond the AppSpace switched from one space to another space. I don't know what is going on.
//private ulong appSpace;
//protected override void OnAppSpaceChange(ulong space)
//{
// Debug.Log($"VIVEPD OnAppSpaceChange({appSpace} -> {space})");
// appSpace = space;
//}
protected override void OnSystemChange(ulong xrSystem)
{
m_XrSystemId = xrSystem;
Debug.Log("OnSystemChange() " + m_XrSystemId);
}
#endregion override functions
private bool GetXrFunctionDelegates(XrInstance xrInstance)
{
Debug.Log("VIVEPD GetXrFunctionDelegates() ");
bool ret = true;
IntPtr funcPtr = IntPtr.Zero;
OpenXRHelper.xrGetInstanceProcAddrDelegate GetAddr = CommonWrapper.Instance.GetInstanceProcAddr; // shorter name
ret &= OpenXRHelper.GetXrFunctionDelegate(GetAddr, xrInstance, "xrCreatePlaneDetectorEXT", out XrCreatePlaneDetectorEXT);
ret &= OpenXRHelper.GetXrFunctionDelegate(GetAddr, xrInstance, "xrDestroyPlaneDetectorEXT", out XrDestroyPlaneDetectorEXT);
ret &= OpenXRHelper.GetXrFunctionDelegate(GetAddr, xrInstance, "xrBeginPlaneDetectionEXT", out XrBeginPlaneDetectionEXT);
ret &= OpenXRHelper.GetXrFunctionDelegate(GetAddr, xrInstance, "xrGetPlaneDetectionStateEXT", out XrGetPlaneDetectionStateEXT);
ret &= OpenXRHelper.GetXrFunctionDelegate(GetAddr, xrInstance, "xrGetPlaneDetectionsEXT", out XrGetPlaneDetectionsEXT);
ret &= OpenXRHelper.GetXrFunctionDelegate(GetAddr, xrInstance, "xrGetPlanePolygonBufferEXT", out XrGetPlanePolygonBufferEXT);
return ret;
}
#region functions of extension
/// <summary>
/// Helper function to get this feature' properties.
/// See <see href="https://registry.khronos.org/OpenXR/specs/1.0/html/xrspec.html#xrGetSystemProperties">xrGetSystemProperties</see>
/// </summary>
public XrResult GetProperties(out XrSystemPlaneDetectionPropertiesEXT properties)
{
properties = new XrSystemPlaneDetectionPropertiesEXT();
properties.type = XrStructureType.XR_TYPE_SYSTEM_PLANE_DETECTION_PROPERTIES_EXT;
#if FAKE_DATA
if (Application.isEditor)
{
properties.supportedFeatures = CAPABILITY_PLANE_DETECTION_BIT_EXT;
return XrResult.XR_SUCCESS;
}
#endif
if (!m_XrSessionCreated)
{
Debug.LogError("GetProperties() XR_ERROR_SESSION_LOST.");
return XrResult.XR_ERROR_SESSION_LOST;
}
if (!m_XrInstanceCreated)
{
Debug.LogError("GetProperties() XR_ERROR_INSTANCE_LOST.");
return XrResult.XR_ERROR_INSTANCE_LOST;
}
return CommonWrapper.Instance.GetProperties(m_XrInstance, m_XrSystemId, ref properties);
}
/// <summary>
/// Create a PlaneDetector with <paramref name="createInfo"/>. XrSession is implied. The output handle need be destroyed.
/// See <see href="https://registry.khronos.org/OpenXR/specs/1.0/html/xrspec.html#xrCreatePlaneDetectorEXT">xrCreatePlaneDetectorEXT</see>
/// </summary>
/// <param name="createInfo">Fill flags for detection engine.</param>
/// <param name="planeDetector">The output detector's handle.</param>
/// <seealso cref="DestroyPlaneDetector"/>
public XrResult CreatePlaneDetector(XrPlaneDetectorCreateInfoEXT createInfo, out IntPtr/*XrPlaneDetectorEXT*/ planeDetector)
{
planeDetector = IntPtr.Zero;
#if FAKE_DATA
if (Application.isEditor)
return XrResult.XR_SUCCESS;
#endif
return XrCreatePlaneDetectorEXT(session, ref createInfo, ref planeDetector);
}
/// <summary>
/// Destroy the PlaneDetector handle.
/// See <see href="https://registry.khronos.org/OpenXR/specs/1.0/html/xrspec.html#xrDestroyPlaneDetectorEXT">xrDestroyPlaneDetectorEXT</see>
/// </summary>
/// <param name="planeDetector">The detector's handle to be destroyed.</param>
/// <seealso cref="CreatePlaneDetector"/>
public XrResult DestroyPlaneDetector(IntPtr/*XrPlaneDetectorEXT*/ planeDetector)
{
#if FAKE_DATA
if (Application.isEditor)
return XrResult.XR_SUCCESS;
#endif
return XrDestroyPlaneDetectorEXT(planeDetector);
}
/// <summary>
/// Let Detector start to work.
/// See <see href="https://registry.khronos.org/OpenXR/specs/1.0/html/xrspec.html#xrBeginPlaneDetectionEXT">xrBeginPlaneDetectionEXT</see>
/// </summary>
/// <param name="planeDetector">The detector's handle to be begined.</param>
/// <param name="beginInfo">Fill flags for detection engine. You can use the result of MakeGetAllXrPlaneDetectorBeginInfoEXT.</param>
/// <seealso cref="MakeGetAllXrPlaneDetectorBeginInfoEXT"/>
public XrResult BeginPlaneDetection(IntPtr/*XrPlaneDetectorEXT*/ planeDetector, XrPlaneDetectorBeginInfoEXT beginInfo)
{
#if FAKE_DATA
if (Application.isEditor)
return XrResult.XR_SUCCESS;
#endif
return XrBeginPlaneDetectionEXT(planeDetector, ref beginInfo);
}
/// <summary>
/// Check PlaneDetector's state. If the state is DONE_EXT, you can get the result by GetPlaneDetections.
/// See <see href="https://registry.khronos.org/OpenXR/specs/1.0/html/xrspec.html#xrGetPlaneDetectionStateEXT">xrGetPlaneDetectionStateEXT</see>
/// </summary>
/// <param name="planeDetector">The detector's state to be check.</param>
/// <param name="state">Fill flags for detection engine. You can use the result of MakeGetAllXrPlaneDetectorBeginInfoEXT.</param>
public XrResult GetPlaneDetectionState(IntPtr/*XrPlaneDetectorEXT*/ planeDetector, ref XrPlaneDetectionStateEXT state)
{
#if FAKE_DATA
if (Application.isEditor)
{
state = XrPlaneDetectionStateEXT.DONE_EXT;
return XrResult.XR_SUCCESS;
}
#endif
return XrGetPlaneDetectionStateEXT(planeDetector, ref state);
}
/// <summary>
/// Get the result of PlaneDetector.
/// See <see href="https://registry.khronos.org/OpenXR/specs/1.0/html/xrspec.html#xrGetPlaneDetectionsEXT">xrGetPlaneDetectionsEXT</see>
/// </summary>
/// <param name="planeDetector">The detector's state to be check.</param>
/// <param name="info">Use info to specify the data's space.</param>
/// <param name="locations">The output data.</param>
public XrResult GetPlaneDetections(IntPtr/*XrPlaneDetectorEXT*/ planeDetector, ref XrPlaneDetectorGetInfoEXT info, ref XrPlaneDetectorLocationsEXT locations)
{
#if FAKE_DATA
if (Application.isEditor)
{
locations.planeLocationCountOutput = 1;
if (locations.planeLocationCapacityInput == 0)
return XrResult.XR_SUCCESS;
if (locations.planeLocationCapacityInput < 1 || locations.planeLocations == IntPtr.Zero)
return XrResult.XR_ERROR_SIZE_INSUFFICIENT;
locations.planeLocationCountOutput = 1;
XrPlaneDetectorLocationEXT location = new XrPlaneDetectorLocationEXT();
location.planeId = 1;
location.extents = new XrExtent2Df(1, 1);
location.locationFlags = XrSpaceLocationFlags.XR_SPACE_LOCATION_ORIENTATION_VALID_BIT | XrSpaceLocationFlags.XR_SPACE_LOCATION_POSITION_VALID_BIT;
location.semanticType = XrPlaneDetectorSemanticTypeEXT.FLOOR_EXT;
location.polygonBufferCount = 1;
location.pose = new XrPosef(XrQuaternionf.Identity, new XrVector3f(0, 1, -1)); // This plane will face the Z axis
location.orientation = XrPlaneDetectorOrientationEXT.VERTICAL_EXT;
Marshal.StructureToPtr(location, locations.planeLocations, false);
return XrResult.XR_SUCCESS;
}
#endif
return XrGetPlaneDetectionsEXT(planeDetector, ref info, ref locations);
}
/// <summary>
/// Get the vertex buffer of a plane.
/// See <see href="https://registry.khronos.org/OpenXR/specs/1.0/html/xrspec.html#xrGetPlanePolygonBufferEXT">GetPlanePolygonBuffer</see>
/// </summary>
/// <param name="planeDetector">The detector's state to be check.</param>
/// <param name="planeId">The target plane's planeId. Get it from <see cref="XrPlaneDetectorLocationEXT" />.</param>
/// <param name="polygonBufferIndex">The buffer index in the plane. Get it from <see cref="XrPlaneDetectorLocationEXT" />. Currently VIVE will only return 1 buffer for each plane.</param>
/// <param name="polygonBuffer">The output data.</param>
public XrResult GetPlanePolygonBuffer(IntPtr/*XrPlaneDetectorEXT*/ planeDetector, ulong planeId, uint polygonBufferIndex, ref XrPlaneDetectorPolygonBufferEXT polygonBuffer)
{
#if FAKE_DATA
if (Application.isEditor)
{
if (planeId != 1) return XrResult.XR_ERROR_NAME_INVALID;
if (polygonBufferIndex != 0) return XrResult.XR_ERROR_INDEX_OUT_OF_RANGE;
polygonBuffer.vertexCountOutput = 4;
if (polygonBuffer.vertexCapacityInput == 0)
return XrResult.XR_SUCCESS;
if (polygonBuffer.vertexCapacityInput != 4 || polygonBuffer.vertices == IntPtr.Zero)
return XrResult.XR_ERROR_SIZE_INSUFFICIENT;
XrVector2f[] vertices = new XrVector2f[4];
// Make a plane's contour
vertices[0] = new XrVector2f(-0.5f, -0.5f);
vertices[1] = new XrVector2f( 0.5f, -0.5f);
vertices[2] = new XrVector2f( 0.5f, 0.5f);
vertices[3] = new XrVector2f(-0.5f, 0.5f);
MemoryTools.CopyToRawMemory(polygonBuffer.vertices, vertices);
return XrResult.XR_SUCCESS;
}
#endif
return XrGetPlanePolygonBufferEXT(planeDetector, planeId, polygonBufferIndex, ref polygonBuffer);
}
#endregion
#region tools for user
/// <summary>
/// A helper function to generate XrPlaneDetectorBeginInfoEXT. VIVE didn't implement all possible features of this extension.
/// Hardcode some parameters here.
/// </summary>
/// <seealso cref="BeginPlaneDetection"/>
public XrPlaneDetectorBeginInfoEXT MakeGetAllXrPlaneDetectorBeginInfoEXT()
{
XrPlaneDetectorBeginInfoEXT beginInfo = new XrPlaneDetectorBeginInfoEXT
{
type = XrStructureType.XR_TYPE_PLANE_DETECTOR_BEGIN_INFO_EXT,
baseSpace = new XrSpace(GetCurrentAppSpace()), // Cannot depend on GetCurrentAppSpace...
//baseSpace = GetTrackingSpace(),
time = ViveInterceptors.Instance.GetPredictTime(),
orientationCount = 0, // Any orientation
orientations = IntPtr.Zero, // XrPlaneDetectorOrientationEXT[]
semanticTypeCount = 0, // Any semantic type
semanticTypes = IntPtr.Zero, // XrPlaneDetectorSemanticTypeEXT[]
maxPlanes = 10000, // Hopefully enough
minArea = 0.1f, // 10cm^2
boundingBoxPose = XrPosef.Identity,
boundingBoxExtent = new XrExtent3DfEXT(1000, 1000, 1000),
};
return beginInfo;
}
/// <summary>
/// The time here is only used for info of GetPlaneDetections. Not the real predictTime of XrWaitFrame.
/// </summary>
/// <returns></returns>
public XrTime GetPredictTime()
{
return ViveInterceptors.Instance.GetPredictTime();
}
/// <summary>
/// According to XRInputSubsystem's tracking origin mode, return the corresponding XrSpace.
/// </summary>
/// <returns></returns>
public XrSpace GetTrackingSpace()
{
return GetCurrentAppSpace();
}
#endregion
}
}