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-rw-r--r--modules/openxr/extensions/openxr_hand_tracking_extension.cpp57
-rw-r--r--modules/openxr/extensions/openxr_hand_tracking_extension.h12
2 files changed, 58 insertions, 11 deletions
diff --git a/modules/openxr/extensions/openxr_hand_tracking_extension.cpp b/modules/openxr/extensions/openxr_hand_tracking_extension.cpp
index 0d667b56c6..04fc4bf890 100644
--- a/modules/openxr/extensions/openxr_hand_tracking_extension.cpp
+++ b/modules/openxr/extensions/openxr_hand_tracking_extension.cpp
@@ -60,6 +60,7 @@ HashMap<String, bool *> OpenXRHandTrackingExtension::get_requested_extensions()
request_extensions[XR_EXT_HAND_TRACKING_EXTENSION_NAME] = &hand_tracking_ext;
request_extensions[XR_EXT_HAND_JOINTS_MOTION_RANGE_EXTENSION_NAME] = &hand_motion_range_ext;
+ request_extensions[XR_EXT_HAND_TRACKING_DATA_SOURCE_EXTENSION_NAME] = &hand_tracking_source_ext;
return request_extensions;
}
@@ -137,20 +138,32 @@ void OpenXRHandTrackingExtension::on_process() {
for (int i = 0; i < OPENXR_MAX_TRACKED_HANDS; i++) {
if (hand_trackers[i].hand_tracker == XR_NULL_HANDLE) {
- XrHandTrackerCreateInfoEXT createInfo = {
+ void *next_pointer = nullptr;
+
+ // Originally not all XR runtimes supported hand tracking data sourced both from controllers and normal hand tracking.
+ // With this extension we can indicate we accept input from both sources so hand tracking data is consistently provided
+ // on runtimes that support this.
+ XrHandTrackingDataSourceEXT data_sources[2] = { XR_HAND_TRACKING_DATA_SOURCE_UNOBSTRUCTED_EXT, XR_HAND_TRACKING_DATA_SOURCE_CONTROLLER_EXT };
+ XrHandTrackingDataSourceInfoEXT data_source_info = { XR_TYPE_HAND_TRACKING_DATA_SOURCE_INFO_EXT, next_pointer, 2, data_sources };
+ if (hand_tracking_source_ext) {
+ // If supported include this info
+ next_pointer = &data_source_info;
+ }
+
+ XrHandTrackerCreateInfoEXT create_info = {
XR_TYPE_HAND_TRACKER_CREATE_INFO_EXT, // type
- nullptr, // next
+ next_pointer, // next
i == 0 ? XR_HAND_LEFT_EXT : XR_HAND_RIGHT_EXT, // hand
XR_HAND_JOINT_SET_DEFAULT_EXT, // handJointSet
};
- result = xrCreateHandTrackerEXT(OpenXRAPI::get_singleton()->get_session(), &createInfo, &hand_trackers[i].hand_tracker);
+ result = xrCreateHandTrackerEXT(OpenXRAPI::get_singleton()->get_session(), &create_info, &hand_trackers[i].hand_tracker);
if (XR_FAILED(result)) {
// not successful? then we do nothing.
print_line("OpenXR: Failed to obtain hand tracking information [", OpenXRAPI::get_singleton()->get_error_string(result), "]");
hand_trackers[i].is_initialized = false;
} else {
- void *next_pointer = nullptr;
+ next_pointer = nullptr;
hand_trackers[i].velocities.type = XR_TYPE_HAND_JOINT_VELOCITIES_EXT;
hand_trackers[i].velocities.next = next_pointer;
@@ -158,6 +171,14 @@ void OpenXRHandTrackingExtension::on_process() {
hand_trackers[i].velocities.jointVelocities = hand_trackers[i].joint_velocities;
next_pointer = &hand_trackers[i].velocities;
+ if (hand_tracking_source_ext) {
+ hand_trackers[i].data_source.type = XR_TYPE_HAND_TRACKING_DATA_SOURCE_STATE_EXT;
+ hand_trackers[i].data_source.next = next_pointer;
+ hand_trackers[i].data_source.isActive = false;
+ hand_trackers[i].data_source.dataSource = XrHandTrackingDataSourceEXT(0);
+ next_pointer = &hand_trackers[i].data_source;
+ }
+
hand_trackers[i].locations.type = XR_TYPE_HAND_JOINT_LOCATIONS_EXT;
hand_trackers[i].locations.next = next_pointer;
hand_trackers[i].locations.isActive = false;
@@ -171,14 +192,9 @@ void OpenXRHandTrackingExtension::on_process() {
if (hand_trackers[i].is_initialized) {
void *next_pointer = nullptr;
- XrHandJointsMotionRangeInfoEXT motionRangeInfo;
-
+ XrHandJointsMotionRangeInfoEXT motion_range_info = { XR_TYPE_HAND_JOINTS_MOTION_RANGE_INFO_EXT, next_pointer, hand_trackers[i].motion_range };
if (hand_motion_range_ext) {
- motionRangeInfo.type = XR_TYPE_HAND_JOINTS_MOTION_RANGE_INFO_EXT;
- motionRangeInfo.next = next_pointer;
- motionRangeInfo.handJointsMotionRange = hand_trackers[i].motion_range;
-
- next_pointer = &motionRangeInfo;
+ next_pointer = &motion_range_info;
}
XrHandJointsLocateInfoEXT locateInfo = {
@@ -240,6 +256,25 @@ XrHandJointsMotionRangeEXT OpenXRHandTrackingExtension::get_motion_range(HandTra
return hand_trackers[p_hand].motion_range;
}
+OpenXRHandTrackingExtension::HandTrackedSource OpenXRHandTrackingExtension::get_hand_tracking_source(HandTrackedHands p_hand) const {
+ ERR_FAIL_UNSIGNED_INDEX_V(p_hand, OPENXR_MAX_TRACKED_HANDS, OPENXR_SOURCE_UNKNOWN);
+
+ if (hand_tracking_source_ext && hand_trackers[p_hand].data_source.isActive) {
+ switch (hand_trackers[p_hand].data_source.dataSource) {
+ case XR_HAND_TRACKING_DATA_SOURCE_UNOBSTRUCTED_EXT:
+ return OPENXR_SOURCE_UNOBSTRUCTED;
+
+ case XR_HAND_TRACKING_DATA_SOURCE_CONTROLLER_EXT:
+ return OPENXR_SOURCE_CONTROLLER;
+
+ default:
+ return OPENXR_SOURCE_UNKNOWN;
+ }
+ }
+
+ return OPENXR_SOURCE_UNKNOWN;
+}
+
void OpenXRHandTrackingExtension::set_motion_range(HandTrackedHands p_hand, XrHandJointsMotionRangeEXT p_motion_range) {
ERR_FAIL_UNSIGNED_INDEX(p_hand, OPENXR_MAX_TRACKED_HANDS);
hand_trackers[p_hand].motion_range = p_motion_range;
diff --git a/modules/openxr/extensions/openxr_hand_tracking_extension.h b/modules/openxr/extensions/openxr_hand_tracking_extension.h
index f9b26fd604..967538b377 100644
--- a/modules/openxr/extensions/openxr_hand_tracking_extension.h
+++ b/modules/openxr/extensions/openxr_hand_tracking_extension.h
@@ -43,9 +43,17 @@ public:
OPENXR_MAX_TRACKED_HANDS
};
+ enum HandTrackedSource {
+ OPENXR_SOURCE_UNKNOWN,
+ OPENXR_SOURCE_UNOBSTRUCTED,
+ OPENXR_SOURCE_CONTROLLER,
+ OPENXR_SOURCE_MAX
+ };
+
struct HandTracker {
bool is_initialized = false;
XrHandJointsMotionRangeEXT motion_range = XR_HAND_JOINTS_MOTION_RANGE_UNOBSTRUCTED_EXT;
+ HandTrackedSource source = OPENXR_SOURCE_UNKNOWN;
XrHandTrackerEXT hand_tracker = XR_NULL_HANDLE;
XrHandJointLocationEXT joint_locations[XR_HAND_JOINT_COUNT_EXT];
@@ -53,6 +61,7 @@ public:
XrHandJointVelocitiesEXT velocities;
XrHandJointLocationsEXT locations;
+ XrHandTrackingDataSourceStateEXT data_source;
};
static OpenXRHandTrackingExtension *get_singleton();
@@ -77,6 +86,8 @@ public:
XrHandJointsMotionRangeEXT get_motion_range(HandTrackedHands p_hand) const;
void set_motion_range(HandTrackedHands p_hand, XrHandJointsMotionRangeEXT p_motion_range);
+ HandTrackedSource get_hand_tracking_source(HandTrackedHands p_hand) const;
+
XrSpaceLocationFlags get_hand_joint_location_flags(HandTrackedHands p_hand, XrHandJointEXT p_joint) const;
Quaternion get_hand_joint_rotation(HandTrackedHands p_hand, XrHandJointEXT p_joint) const;
Vector3 get_hand_joint_position(HandTrackedHands p_hand, XrHandJointEXT p_joint) const;
@@ -96,6 +107,7 @@ private:
// related extensions
bool hand_tracking_ext = false;
bool hand_motion_range_ext = false;
+ bool hand_tracking_source_ext = false;
// functions
void cleanup_hand_tracking();