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Common Interface

VIVE OpenXR Plugin provides common API interfaces. Some APIs are following the Khronos Official specifications and others are plugin-dependent but more convenient for use.

Hand Tracking

Official APIs

NOTE: All official (Khronos) APIs provided by VIVE OpenXR Plugin provide XrSession by default so you don't have to fill the XrSession.

  • xrCreateHandTrackerEXT: An application can create an XrHandTrackerEXT handle using xrCreateHandTrackerEXT function.
  • xrDestroyHandTrackerEXT: xrDestroyHandTrackerEXT function releases the handTracker and the underlying resources when finished with hand tracking experiences.
  • xrLocateHandJointsEXT: The xrLocateHandJointsEXT function locates an array of hand joints to a base space at given time.
Plugin Dependent API

Facial Tracking

Official APIs

NOTE: All official (Khronos) APIs provided by VIVE OpenXR Plugin provide XrSession by default so you don't have to fill the XrSession.

Plugin Dependent API
  • GetExpressionWeightings: Retrieves an array of values of blend shapes for a facial expression on a given time. By using GetExpressionWeightings function you don't have to use Facial Tracking Official APIs.

Path Enumeration

Official APIs

NOTE: All official (Khronos) APIs provided by VIVE OpenXR Plugin provide XrSession by default so you don't have to fill the XrSession.

  • xrEnumeratePathsForInteractionProfileHTC: xrEnumeratePathsForInteractionProfileHTC get the user paths and input/output source paths associated with an interaction profile of XR device that the runtime has supported.
Plugin Dependent API
  • GetUserPaths: GetUserPaths get the user paths associated with an interaction profile of XR device that the runtime has supported. By using GetUserPaths function you don't have to use Path Enumeration Official APIs.
  • GetInputPathsWithUserPath: GetInputPathsWithUserPath get the input/output source paths associated with an interaction profile of XR device that the runtime has supported. By using GetUserPaths function you don't have to use Path Enumeration Official APIs.
  • PathToString: PathToString retrieves the path name string associated with an XrPath. By using PathToString function you don't have to use xrPathToString.
  • StringToPath: StringToPath retrieves the XrPath value for a well-formed path string. By using StringToPath function you don't have to use xrStringToPath.