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st/oxr: Explain better what is going on with XrEventDataInteractionProfileChanged [NFC]

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Part-of: <https://gitlab.freedesktop.org/monado/monado/-/merge_requests/2673>
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Jakob Bornecrantz committed 2026-01-31 17:17:12 +00:00
1 parent 6cb95633ba
commit 7ee00a012e
1 file changed
+16 -5
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src/xrt/state_trackers/oxr/oxr_input.c
+16 -5
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@@ -1898,12 +1898,23 @@ oxr_session_update_action_bindings(struct oxr_logger *log, struct oxr_session *s
}
}
/*
* This code will only send events (and update the bindings) if there
* is a profile mapped to the subaction path. Meaning it won't update
* the cache or generate events when a controller goes away, basically
* latching the interaction profile to the last active device.
*/
#define POPULATE_PROFILE(X) \
sess->X = XR_NULL_PATH; \
if (profiles.X != NULL) { \
sess->X = profiles.X->path; \
oxr_event_push_XrEventDataInteractionProfileChanged(log, sess); \
}
do { \
XrPath path = profiles.X != NULL ? profiles.X->path : XR_NULL_PATH; \
if (path == XR_NULL_PATH) { \
break; /* Only update on "active" interaction profiles per sub-action path. */ \
} \
if (sess->X != path) { \
sess->X = path; \
oxr_event_push_XrEventDataInteractionProfileChanged(log, sess); \
} \
} while (false);
OXR_FOR_EACH_VALID_SUBACTION_PATH(POPULATE_PROFILE)
#undef POPULATE_PROFILE