C Specification

The XrEventDataBaseHeader is defined as:

typedef struct XrEventDataBaseHeader {
    XrStructureType             type;
    const void* XR_MAY_ALIAS    next;
} XrEventDataBaseHeader;

Members

Parameter Descriptions

  • type is the XrStructureType of this structure. This base structure itself has no associated XrStructureType value.

  • next is NULL or a pointer to an extension-specific structure.

Description

The XrEventDataBaseHeader is a generic structure used to identify the common event data elements.

Upon receipt, the XrEventDataBaseHeader pointer should be type-cast to a pointer of the appropriate event data based on the type parameter.

Valid Usage (Implicit)

  • type must be one of the following XrStructureType values: XR_TYPE_EVENT_DATA_EVENTS_LOST, XR_TYPE_EVENT_DATA_INSTANCE_LOSS_PENDING, XR_TYPE_EVENT_DATA_SESSION_STATE_CHANGED, XR_TYPE_EVENT_DATA_REFERENCE_SPACE_CHANGE_PENDING, XR_TYPE_EVENT_DATA_INTERACTION_PROFILE_CHANGED, XR_TYPE_EVENT_DATA_VISIBILITY_MASK_CHANGED_KHR, XR_TYPE_EVENT_DATA_PERF_SETTINGS_EXT

  • next must be NULL

See Also

XrStructureType, xrPollEvent

Document Notes

For more information, see the OpenXR Specification at URL

https://www.khronos.org/registry/openxr/specs/1.0-extensions/html/xrspec.html#XrEventDataBaseHeader

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

Copyright

Copyright (c) 2014-2019 Khronos Group. This work is licensed under a Creative Commons Attribution 4.0 International License.