mirrors/monado
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/monado/monado.git synced 2024-12-29 11:06:18 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

u/space_overseer: Notify the device about reference space usage

Browse source
This commit is contained in:
Jakob Bornecrantz 2023-12-21 20:41:04 +00:00
parent b7e7aa5d4c
commit b30f41bd2d
1 changed files with 67 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

71
src/xrt/auxiliary/util/u_space_overseer.c
View file

@ -94,6 +94,13 @@ struct u_space_overseer
//! Event sink to broadcast events to all sessions.
struct xrt_session_event_sink *broadcast;
/*!
* The notify device, usually the head device. Used to notify when
* reference spaces are used and not used. Must not change during
* runtime.
*/
struct xrt_device *notify;
/*!
* Can we do a recenter of the local and local_floor spaces, protected
* by the lock.
@ -135,6 +142,20 @@ type_to_small_string(enum xrt_reference_space_type type)
}
}
static struct u_space *
get_semantic_space(struct u_space_overseer *uso, enum xrt_reference_space_type type)
{
switch (type) {
case XRT_SPACE_REFERENCE_TYPE_VIEW: return u_space(uso->base.semantic.view);
case XRT_SPACE_REFERENCE_TYPE_LOCAL: return u_space(uso->base.semantic.local);
case XRT_SPACE_REFERENCE_TYPE_LOCAL_FLOOR: return u_space(uso->base.semantic.local_floor);
case XRT_SPACE_REFERENCE_TYPE_STAGE: return u_space(uso->base.semantic.stage);
case XRT_SPACE_REFERENCE_TYPE_UNBOUNDED: return u_space(uso->base.semantic.unbounded);
}
return NULL;
}
/*!
* A lot of code here uses u_space directly and need to change reference count
* so this helper is here to make that easier.
@ -218,6 +239,39 @@ get_offset_or_ident_read_locked(const struct u_space *us, struct xrt_pose *offse
}
/*
*
* Reference space to device notification code.
*
*/
static void
notify_ref_space_usage_device(struct u_space_overseer *uso, enum xrt_reference_space_type type, bool used)
{
struct xrt_device *xdev = NULL;
enum xrt_input_name name = 0;
struct u_space *uspace = get_semantic_space(uso, type);
if (uspace == NULL) {
// This is weird, should always be a space.
return;
}
if (uspace->type == U_SPACE_TYPE_POSE) {
xdev = uspace->pose.xdev;
name = uspace->pose.xname;
} else {
xdev = uso->notify;
}
if (xdev == NULL || !xdev->ref_space_usage_supported) {
return;
}
xrt_device_ref_space_usage(xdev, type, name, used);
}
/*
*
* Graph traversing functions.
@ -513,11 +567,14 @@ ref_space_inc(struct xrt_space_overseer *xso, enum xrt_reference_space_type type
U_LOG_D("Ref-space %s in use", type_to_small_string(type));
/*
* This space intentionally left blank for future expansion,
* use it for adding new functionality on used/unused switches.
* We have a reference space that was not in use but is now in used.
*/
// Notify any device that might want to know about it.
notify_ref_space_usage_device(uso, type, true);
return XRT_SUCCESS;
}
@ -536,11 +593,14 @@ ref_space_dec(struct xrt_space_overseer *xso, enum xrt_reference_space_type type
U_LOG_D("Ref-space %s no longer in use", type_to_small_string(type));
/*
* This space intentionally left blank for future expansion,
* use it for adding new functionality on used/unused switches.
* We have a reference space that was in use but is no longer used.
*/
// Notify any device that might want to know about it.
notify_ref_space_usage_device(uso, type, false);
return XRT_SUCCESS;
}
@ -772,6 +832,9 @@ u_space_overseer_legacy_setup(struct u_space_overseer *uso,
// Setup view space if we have a head.
if (head != NULL) {
u_space_overseer_create_pose_space(uso, head, XRT_INPUT_GENERIC_HEAD_POSE, &uso->base.semantic.view);
// Set the head to the notify device, for reference space usage.
uso->notify = head;
}
}