C Specification

The xrGetFacialExpressionsHTC function is defined as:

// Provided by XR_HTC_facial_tracking
XrResult xrGetFacialExpressionsHTC(
    XrFacialTrackerHTC                          facialTracker,
    XrFacialExpressionsHTC*                     facialExpressions);

Parameters

Parameter Descriptions

Description

xrGetFacialExpressionsHTC retrieves an array of values of blend shapes for a facial expression on a given time.

Valid Usage (Implicit)
Return Codes
On success, this command returns

  • XR_SUCCESS

On failure, this command returns

  • XR_ERROR_FUNCTION_UNSUPPORTED

  • XR_ERROR_VALIDATION_FAILURE

  • XR_ERROR_RUNTIME_FAILURE

  • XR_ERROR_HANDLE_INVALID

  • XR_ERROR_INSTANCE_LOST

  • XR_ERROR_TIME_INVALID

See Also

XR_HTC_facial_tracking, XrFacialExpressionsHTC, XrFacialTrackerHTC

Document Notes

For more information, see the OpenXR Specification

This page is extracted from the OpenXR Specification. Fixes and changes should be made to the Specification, not directly.

Copyright

Copyright 2014-2024, The Khronos Group Inc.

This work is licensed under a Creative Commons Attribution 4.0 International License.