C Specification

The xrGetMarkerSizeVARJO function is defined as:

// Provided by XR_VARJO_marker_tracking
XrResult xrGetMarkerSizeVARJO(
    XrSession                                   session,
    uint64_t                                    markerId,
    XrExtent2Df*                                size);

Parameters

Parameter Descriptions

  • session is an XrSession handle previously created with xrCreateSession.

  • markerId is the unique identifier of the marker for which size is requested.

  • size is pointer to the size to populate by the runtime with the physical size of plane marker in meters.

Description

The xrGetMarkerSizeVARJO function retrieves the height and width of an active marker. The runtime must return XR_ERROR_MARKER_NOT_TRACKED_VARJO if marker tracking functionality is disabled or the marker with given markerId is inactive. The runtime must return XR_ERROR_MARKER_ID_INVALID_VARJO if the supplied markerId is invalid.

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_RUNTIME_FAILURE

  • XR_ERROR_HANDLE_INVALID

  • XR_ERROR_INSTANCE_LOST

  • XR_ERROR_SESSION_LOST

  • XR_ERROR_MARKER_NOT_TRACKED_VARJO

  • XR_ERROR_MARKER_ID_INVALID_VARJO

  • XR_ERROR_FEATURE_UNSUPPORTED

See Also

XR_VARJO_marker_tracking, XrExtent2Df, XrSession

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 2014-2025 The Khronos Group Inc.

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