XrTrackableMarkerDatabaseANDROID(3)

C Specification

The XrTrackableMarkerDatabaseANDROID structure defines a dictionary and corresponding marker ids to be tracked.

// Provided by XR_ANDROID_trackables_marker
typedef struct XrTrackableMarkerDatabaseANDROID {
    XrTrackableMarkerDictionaryANDROID              dictionary;
    uint32_t                                        entryCount;
    const XrTrackableMarkerDatabaseEntryANDROID*    entries;
} XrTrackableMarkerDatabaseANDROID;

Members

Member Descriptions

dictionary is the XrTrackableMarkerDictionaryANDROID that all entries belong to.
entryCount is a uint32_t describing the count of elements in the entries array. The application can set entryCount 0 to track all markers in the dictionary.
entries is a pointer to an array of XrTrackableMarkerDatabaseEntryANDROID, each of which contains the configuration of a marker to track.

Description

Valid Usage (Implicit)

The XR_ANDROID_trackables_marker extension must be enabled prior to using XrTrackableMarkerDatabaseANDROID
dictionary must be a valid XrTrackableMarkerDictionaryANDROID value
If entryCount is not 0, entries must be a pointer to an array of entryCount XrTrackableMarkerDatabaseEntryANDROID structures

See Also

XR_ANDROID_trackables_marker, XrTrackableMarkerConfigurationANDROID, XrTrackableMarkerDatabaseEntryANDROID, XrTrackableMarkerDictionaryANDROID

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.