C Specification

The xrGetFaceExpressionWeights2FB function is defined as:

// Provided by XR_FB_face_tracking2
XrResult xrGetFaceExpressionWeights2FB(
    XrFaceTracker2FB                            faceTracker,
    const XrFaceExpressionInfo2FB*              expressionInfo,
    XrFaceExpressionWeights2FB*                 expressionWeights);

Parameters

Parameter Descriptions

Description

The xrGetFaceExpressionWeights2FB function return blend shapes of facial expression at a given time.

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

  • XR_SUCCESS

  • XR_SESSION_LOSS_PENDING

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_SESSION_LOST

  • XR_ERROR_TIME_INVALID

See Also

XR_FB_face_tracking2, XrFaceExpressionInfo2FB, XrFaceExpressionWeights2FB, XrFaceTracker2FB

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.