Removed member variables from OpenXRExtensionWrapper

Made extension container in OpenXRAPI static
Moved controller meta data into extensions where applicable

modules/openxr/SCsub

@@ -95,10 +95,13 @@ if env["opengl3"]:
 
 env_openxr.add_source_files(module_obj, "extensions/openxr_palm_pose_extension.cpp")
 env_openxr.add_source_files(module_obj, "extensions/openxr_composition_layer_depth_extension.cpp")
+env_openxr.add_source_files(module_obj, "extensions/openxr_htc_controller_extension.cpp")
 env_openxr.add_source_files(module_obj, "extensions/openxr_htc_vive_tracker_extension.cpp")
+env_openxr.add_source_files(module_obj, "extensions/openxr_huawei_controller_extension.cpp")
 env_openxr.add_source_files(module_obj, "extensions/openxr_hand_tracking_extension.cpp")
 env_openxr.add_source_files(module_obj, "extensions/openxr_fb_passthrough_extension_wrapper.cpp")
 env_openxr.add_source_files(module_obj, "extensions/openxr_fb_display_refresh_rate_extension.cpp")
+env_openxr.add_source_files(module_obj, "extensions/openxr_wmr_controller_extension.cpp")
 
 env.modules_sources += module_obj
 

modules/openxr/action_map/openxr_interaction_profile_meta_data.cpp

@@ -29,8 +29,7 @@
 /*************************************************************************/
 
 #include "openxr_interaction_profile_meta_data.h"
-
-#include <openxr/openxr.h>
+#include "../openxr_api.h"
 
 OpenXRInteractionProfileMetaData *OpenXRInteractionProfileMetaData::singleton = nullptr;
 
@@ -38,6 +37,7 @@ OpenXRInteractionProfileMetaData::OpenXRInteractionProfileMetaData() {
 	singleton = this;
 
 	_register_core_metadata();
+	OpenXRAPI::register_extension_metadata();
 }
 
 OpenXRInteractionProfileMetaData::~OpenXRInteractionProfileMetaData() {
@@ -394,320 +394,4 @@ void OpenXRInteractionProfileMetaData::_register_core_metadata() {
 
 	register_io_path("/interaction_profiles/valve/index_controller", "Haptic output", "/user/hand/left", "/user/hand/left/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
 	register_io_path("/interaction_profiles/valve/index_controller", "Haptic output", "/user/hand/right", "/user/hand/right/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
-
-	// HP MR controller (newer G2 controllers)
-	// TODO move this into an extension once this is supported.
-	register_interaction_profile("HPMR controller", "/interaction_profiles/hp/mixed_reality_controller", XR_EXT_HP_MIXED_REALITY_CONTROLLER_EXTENSION_NAME);
-	register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Grip pose", "/user/hand/left", "/user/hand/left/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Grip pose", "/user/hand/right", "/user/hand/right/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Aim pose", "/user/hand/left", "/user/hand/left/input/aim/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Aim pose", "/user/hand/right", "/user/hand/right/input/aim/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Palm pose", "/user/hand/left", "/user/hand/left/input/palm_ext/pose", XR_EXT_PALM_POSE_EXTENSION_NAME, OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Palm pose", "/user/hand/right", "/user/hand/right/input/palm_ext/pose", XR_EXT_PALM_POSE_EXTENSION_NAME, OpenXRAction::OPENXR_ACTION_POSE);
-
-	register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Menu click", "/user/hand/left", "/user/hand/left/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Menu click", "/user/hand/right", "/user/hand/right/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-
-	register_io_path("/interaction_profiles/hp/mixed_reality_controller", "X click", "/user/hand/left", "/user/hand/left/input/x/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Y click", "/user/hand/left", "/user/hand/left/input/y/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/hp/mixed_reality_controller", "A click", "/user/hand/right", "/user/hand/right/input/a/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/hp/mixed_reality_controller", "B click", "/user/hand/right", "/user/hand/right/input/b/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-
-	register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Trigger", "/user/hand/left", "/user/hand/left/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
-	register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Trigger click", "/user/hand/left", "/user/hand/left/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Trigger", "/user/hand/right", "/user/hand/right/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
-	register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Trigger click", "/user/hand/right", "/user/hand/right/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-
-	register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Squeeze", "/user/hand/left", "/user/hand/left/input/squeeze/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
-	register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Squeeze", "/user/hand/right", "/user/hand/right/input/squeeze/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
-
-	register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Thumbstick", "/user/hand/left", "/user/hand/left/input/thumbstick", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
-	register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Thumbstick click", "/user/hand/left", "/user/hand/left/input/thumbstick/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Thumbstick", "/user/hand/right", "/user/hand/right/input/thumbstick", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
-	register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Thumbstick click", "/user/hand/right", "/user/hand/right/input/thumbstick/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-
-	register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Haptic output", "/user/hand/left", "/user/hand/left/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
-	register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Haptic output", "/user/hand/right", "/user/hand/right/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
-
-	// Samsung Odyssey controller
-	// TODO move this into an extension once this is supported.
-	register_interaction_profile("Samsung Odyssey controller", "/interaction_profiles/samsung/odyssey_controller", XR_EXT_SAMSUNG_ODYSSEY_CONTROLLER_EXTENSION_NAME);
-	register_io_path("/interaction_profiles/samsung/odyssey_controller", "Grip pose", "/user/hand/left", "/user/hand/left/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/samsung/odyssey_controller", "Grip pose", "/user/hand/right", "/user/hand/right/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/samsung/odyssey_controller", "Aim pose", "/user/hand/left", "/user/hand/left/input/aim/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/samsung/odyssey_controller", "Aim pose", "/user/hand/right", "/user/hand/right/input/aim/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/samsung/odyssey_controller", "Palm pose", "/user/hand/left", "/user/hand/left/input/palm_ext/pose", XR_EXT_PALM_POSE_EXTENSION_NAME, OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/samsung/odyssey_controller", "Palm pose", "/user/hand/right", "/user/hand/right/input/palm_ext/pose", XR_EXT_PALM_POSE_EXTENSION_NAME, OpenXRAction::OPENXR_ACTION_POSE);
-
-	register_io_path("/interaction_profiles/samsung/odyssey_controller", "Menu click", "/user/hand/left", "/user/hand/left/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/samsung/odyssey_controller", "Menu click", "/user/hand/right", "/user/hand/right/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-
-	register_io_path("/interaction_profiles/samsung/odyssey_controller", "Trigger", "/user/hand/left", "/user/hand/left/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
-	register_io_path("/interaction_profiles/samsung/odyssey_controller", "Trigger click", "/user/hand/left", "/user/hand/left/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/samsung/odyssey_controller", "Trigger", "/user/hand/right", "/user/hand/right/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
-	register_io_path("/interaction_profiles/samsung/odyssey_controller", "Trigger click", "/user/hand/right", "/user/hand/right/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-
-	register_io_path("/interaction_profiles/samsung/odyssey_controller", "Squeeze click", "/user/hand/left", "/user/hand/left/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/samsung/odyssey_controller", "Squeeze click", "/user/hand/right", "/user/hand/right/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-
-	register_io_path("/interaction_profiles/samsung/odyssey_controller", "Thumbstick", "/user/hand/left", "/user/hand/left/input/thumbstick", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
-	register_io_path("/interaction_profiles/samsung/odyssey_controller", "Thumbstick click", "/user/hand/left", "/user/hand/left/input/thumbstick/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/samsung/odyssey_controller", "Thumbstick", "/user/hand/right", "/user/hand/right/input/thumbstick", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
-	register_io_path("/interaction_profiles/samsung/odyssey_controller", "Thumbstick click", "/user/hand/right", "/user/hand/right/input/thumbstick/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-
-	register_io_path("/interaction_profiles/samsung/odyssey_controller", "Trackpad", "/user/hand/left", "/user/hand/left/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
-	register_io_path("/interaction_profiles/samsung/odyssey_controller", "Trackpad click", "/user/hand/left", "/user/hand/left/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/samsung/odyssey_controller", "Trackpad touch", "/user/hand/left", "/user/hand/left/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/samsung/odyssey_controller", "Trackpad", "/user/hand/right", "/user/hand/right/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
-	register_io_path("/interaction_profiles/samsung/odyssey_controller", "Trackpad click", "/user/hand/right", "/user/hand/right/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/samsung/odyssey_controller", "Trackpad touch", "/user/hand/right", "/user/hand/right/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
-
-	register_io_path("/interaction_profiles/samsung/odyssey_controller", "Haptic output", "/user/hand/left", "/user/hand/left/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
-	register_io_path("/interaction_profiles/samsung/odyssey_controller", "Haptic output", "/user/hand/right", "/user/hand/right/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
-
-	// HTC Vive Cosmos controller
-	// TODO move this into an extension once this is supported.
-	register_interaction_profile("Vive Cosmos controller", "/interaction_profiles/htc/vive_cosmos_controller", XR_HTC_VIVE_COSMOS_CONTROLLER_INTERACTION_EXTENSION_NAME);
-	register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Grip pose", "/user/hand/left", "/user/hand/left/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Grip pose", "/user/hand/right", "/user/hand/right/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Aim pose", "/user/hand/left", "/user/hand/left/input/aim/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Aim pose", "/user/hand/right", "/user/hand/right/input/aim/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Palm pose", "/user/hand/left", "/user/hand/left/input/palm_ext/pose", XR_EXT_PALM_POSE_EXTENSION_NAME, OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Palm pose", "/user/hand/right", "/user/hand/right/input/palm_ext/pose", XR_EXT_PALM_POSE_EXTENSION_NAME, OpenXRAction::OPENXR_ACTION_POSE);
-
-	register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Menu click", "/user/hand/left", "/user/hand/left/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "System click", "/user/hand/right", "/user/hand/right/input/system/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-
-	register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "X click", "/user/hand/left", "/user/hand/left/input/x/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Y click", "/user/hand/left", "/user/hand/left/input/y/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "A click", "/user/hand/right", "/user/hand/right/input/a/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "B click", "/user/hand/right", "/user/hand/right/input/b/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-
-	register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Shoulder click", "/user/hand/left", "/user/hand/left/input/shoulder/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Shoulder click", "/user/hand/right", "/user/hand/right/input/shoulder/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-
-	register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Trigger", "/user/hand/left", "/user/hand/left/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
-	register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Trigger click", "/user/hand/left", "/user/hand/left/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Trigger", "/user/hand/right", "/user/hand/right/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
-	register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Trigger click", "/user/hand/right", "/user/hand/right/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-
-	register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Squeeze click", "/user/hand/left", "/user/hand/left/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Squeeze click", "/user/hand/right", "/user/hand/right/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-
-	register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Thumbstick", "/user/hand/left", "/user/hand/left/input/thumbstick", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
-	register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Thumbstick click", "/user/hand/left", "/user/hand/left/input/thumbstick/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Thumbstick touch", "/user/hand/left", "/user/hand/left/input/thumbstick/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Thumbstick", "/user/hand/right", "/user/hand/right/input/thumbstick", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
-	register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Thumbstick click", "/user/hand/right", "/user/hand/right/input/thumbstick/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Thumbstick touch", "/user/hand/right", "/user/hand/right/input/thumbstick/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
-
-	register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Haptic output", "/user/hand/left", "/user/hand/left/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
-	register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Haptic output", "/user/hand/right", "/user/hand/right/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
-
-	// HTC Vive Focus 3 controller
-	// TODO move this into an extension once this is supported.
-	register_interaction_profile("Vive Focus 3 controller", "/interaction_profiles/htc/vive_focus3_controller", XR_HTC_VIVE_FOCUS3_CONTROLLER_INTERACTION_EXTENSION_NAME);
-	register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Grip pose", "/user/hand/left", "/user/hand/left/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Grip pose", "/user/hand/right", "/user/hand/right/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Aim pose", "/user/hand/left", "/user/hand/left/input/aim/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Aim pose", "/user/hand/right", "/user/hand/right/input/aim/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Palm pose", "/user/hand/left", "/user/hand/left/input/palm_ext/pose", XR_EXT_PALM_POSE_EXTENSION_NAME, OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Palm pose", "/user/hand/right", "/user/hand/right/input/palm_ext/pose", XR_EXT_PALM_POSE_EXTENSION_NAME, OpenXRAction::OPENXR_ACTION_POSE);
-
-	register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Menu click", "/user/hand/left", "/user/hand/left/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_focus3_controller", "System click", "/user/hand/right", "/user/hand/right/input/system/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-
-	register_io_path("/interaction_profiles/htc/vive_focus3_controller", "X click", "/user/hand/left", "/user/hand/left/input/x/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Y click", "/user/hand/left", "/user/hand/left/input/y/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_focus3_controller", "A click", "/user/hand/right", "/user/hand/right/input/a/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_focus3_controller", "B click", "/user/hand/right", "/user/hand/right/input/b/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-
-	register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Trigger", "/user/hand/left", "/user/hand/left/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
-	register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Trigger click", "/user/hand/left", "/user/hand/left/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Trigger touch", "/user/hand/left", "/user/hand/left/input/trigger/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Trigger", "/user/hand/right", "/user/hand/right/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
-	register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Trigger click", "/user/hand/right", "/user/hand/right/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Trigger touch", "/user/hand/right", "/user/hand/right/input/trigger/touch	", "", OpenXRAction::OPENXR_ACTION_BOOL);
-
-	register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Squeeze click", "/user/hand/left", "/user/hand/left/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Squeeze touch", "/user/hand/left", "/user/hand/left/input/squeeze/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Squeeze click", "/user/hand/right", "/user/hand/right/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Squeeze touch", "/user/hand/right", "/user/hand/right/input/squeeze/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
-
-	register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Thumbstick", "/user/hand/left", "/user/hand/left/input/thumbstick", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
-	register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Thumbstick click", "/user/hand/left", "/user/hand/left/input/thumbstick/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Thumbstick touch", "/user/hand/left", "/user/hand/left/input/thumbstick/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Thumbstick", "/user/hand/right", "/user/hand/right/input/thumbstick", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
-	register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Thumbstick click", "/user/hand/right", "/user/hand/right/input/thumbstick/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Thumbstick touch", "/user/hand/right", "/user/hand/right/input/thumbstick/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
-
-	register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Thumbrest touch", "/user/hand/right", "/user/hand/right/input/thumbrest/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
-
-	register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Haptic output", "/user/hand/left", "/user/hand/left/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
-	register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Haptic output", "/user/hand/right", "/user/hand/right/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
-
-	// Huawei controller
-	// TODO move this into an extension once this is supported.
-	register_interaction_profile("Huawei controller", "/interaction_profiles/huawei/controller", XR_HUAWEI_CONTROLLER_INTERACTION_EXTENSION_NAME);
-	register_io_path("/interaction_profiles/huawei/controller", "Grip pose", "/user/hand/left", "/user/hand/left/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/huawei/controller", "Grip pose", "/user/hand/right", "/user/hand/right/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/huawei/controller", "Aim pose", "/user/hand/left", "/user/hand/left/input/aim/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/huawei/controller", "Aim pose", "/user/hand/right", "/user/hand/right/input/aim/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/huawei/controller", "Palm pose", "/user/hand/left", "/user/hand/left/input/palm_ext/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/huawei/controller", "Palm pose", "/user/hand/right", "/user/hand/right/input/palm_ext/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-
-	register_io_path("/interaction_profiles/huawei/controller", "Home click", "/user/hand/left", "/user/hand/left/input/home/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/huawei/controller", "Home click", "/user/hand/right", "/user/hand/right/input/home/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/huawei/controller", "Back click", "/user/hand/left", "/user/hand/left/input/back/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/huawei/controller", "Back click", "/user/hand/right", "/user/hand/right/input/back/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-
-	register_io_path("/interaction_profiles/huawei/controller", "Volume up click", "/user/hand/left", "/user/hand/left/input/volume_up/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/huawei/controller", "Volume up click", "/user/hand/right", "/user/hand/right/input/volume_up/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/huawei/controller", "Volume down click", "/user/hand/left", "/user/hand/left/input/volume_down/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/huawei/controller", "Volume down click", "/user/hand/right", "/user/hand/right/input/volume_down/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-
-	register_io_path("/interaction_profiles/huawei/controller", "Trigger", "/user/hand/left", "/user/hand/left/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
-	register_io_path("/interaction_profiles/huawei/controller", "Trigger click", "/user/hand/left", "/user/hand/left/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/huawei/controller", "Trigger", "/user/hand/right", "/user/hand/right/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
-	register_io_path("/interaction_profiles/huawei/controller", "Trigger click", "/user/hand/right", "/user/hand/right/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-
-	register_io_path("/interaction_profiles/huawei/controller", "Trackpad", "/user/hand/left", "/user/hand/left/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
-	register_io_path("/interaction_profiles/huawei/controller", "Trackpad click", "/user/hand/left", "/user/hand/left/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/huawei/controller", "Trackpad touch", "/user/hand/left", "/user/hand/left/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/huawei/controller", "Trackpad", "/user/hand/right", "/user/hand/right/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
-	register_io_path("/interaction_profiles/huawei/controller", "Trackpad click", "/user/hand/right", "/user/hand/right/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/huawei/controller", "Trackpad touch", "/user/hand/right", "/user/hand/right/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
-
-	register_io_path("/interaction_profiles/huawei/controller", "Haptic output", "/user/hand/left", "/user/hand/left/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
-	register_io_path("/interaction_profiles/huawei/controller", "Haptic output", "/user/hand/right", "/user/hand/right/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
-
-	// HTC Vive tracker
-	// Interestingly enough trackers don't have buttons or inputs, yet these are defined in the spec.
-	// I think this can be supported through attachments on the trackers.
-	// TODO move this into an extension once this is supported.
-	register_interaction_profile("HTC Vive tracker", "/interaction_profiles/htc/vive_tracker_htcx", XR_HTCX_VIVE_TRACKER_INTERACTION_EXTENSION_NAME);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Menu click", "/user/vive_tracker_htcx/role/left_foot", "/user/vive_tracker_htcx/role/left_foot/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Menu click", "/user/vive_tracker_htcx/role/right_foot", "/user/vive_tracker_htcx/role/right_foot/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Menu click", "/user/vive_tracker_htcx/role/left_shoulder", "/user/vive_tracker_htcx/role/left_shoulder/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Menu click", "/user/vive_tracker_htcx/role/right_shoulder", "/user/vive_tracker_htcx/role/right_shoulder/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Menu click", "/user/vive_tracker_htcx/role/left_elbow", "/user/vive_tracker_htcx/role/left_elbow/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Menu click", "/user/vive_tracker_htcx/role/right_elbow", "/user/vive_tracker_htcx/role/right_elbow/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Menu click", "/user/vive_tracker_htcx/role/left_knee", "/user/vive_tracker_htcx/role/left_knee/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Menu click", "/user/vive_tracker_htcx/role/right_knee", "/user/vive_tracker_htcx/role/right_knee/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Menu click", "/user/vive_tracker_htcx/role/waist", "/user/vive_tracker_htcx/role/waist/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Menu click", "/user/vive_tracker_htcx/role/chest", "/user/vive_tracker_htcx/role/chest/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Menu click", "/user/vive_tracker_htcx/role/camera", "/user/vive_tracker_htcx/role/camera/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Menu click", "/user/vive_tracker_htcx/role/keyboard", "/user/vive_tracker_htcx/role/keyboard/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-
-	// register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger", "/user/vive_tracker_htcx/role/handheld_object", "/user/vive_tracker_htcx/role/handheld_object/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger", "/user/vive_tracker_htcx/role/left_foot", "/user/vive_tracker_htcx/role/left_foot/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger", "/user/vive_tracker_htcx/role/right_foot", "/user/vive_tracker_htcx/role/right_foot/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger", "/user/vive_tracker_htcx/role/left_shoulder", "/user/vive_tracker_htcx/role/left_shoulder/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger", "/user/vive_tracker_htcx/role/right_shoulder", "/user/vive_tracker_htcx/role/right_shoulder/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger", "/user/vive_tracker_htcx/role/left_elbow", "/user/vive_tracker_htcx/role/left_elbow/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger", "/user/vive_tracker_htcx/role/right_elbow", "/user/vive_tracker_htcx/role/right_elbow/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger", "/user/vive_tracker_htcx/role/left_knee", "/user/vive_tracker_htcx/role/left_knee/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger", "/user/vive_tracker_htcx/role/right_knee", "/user/vive_tracker_htcx/role/right_knee/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger", "/user/vive_tracker_htcx/role/waist", "/user/vive_tracker_htcx/role/waist/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger", "/user/vive_tracker_htcx/role/chest", "/user/vive_tracker_htcx/role/chest/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger", "/user/vive_tracker_htcx/role/camera", "/user/vive_tracker_htcx/role/camera/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger", "/user/vive_tracker_htcx/role/keyboard", "/user/vive_tracker_htcx/role/keyboard/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
-
-	// register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger click", "/user/vive_tracker_htcx/role/handheld_object", "/user/vive_tracker_htcx/role/handheld_object/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger click", "/user/vive_tracker_htcx/role/left_foot", "/user/vive_tracker_htcx/role/left_foot/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger click", "/user/vive_tracker_htcx/role/right_foot", "/user/vive_tracker_htcx/role/right_foot/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger click", "/user/vive_tracker_htcx/role/left_shoulder", "/user/vive_tracker_htcx/role/left_shoulder/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger click", "/user/vive_tracker_htcx/role/right_shoulder", "/user/vive_tracker_htcx/role/right_shoulder/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger click", "/user/vive_tracker_htcx/role/left_elbow", "/user/vive_tracker_htcx/role/left_elbow/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger click", "/user/vive_tracker_htcx/role/right_elbow", "/user/vive_tracker_htcx/role/right_elbow/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger click", "/user/vive_tracker_htcx/role/left_knee", "/user/vive_tracker_htcx/role/left_knee/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger click", "/user/vive_tracker_htcx/role/right_knee", "/user/vive_tracker_htcx/role/right_knee/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger click", "/user/vive_tracker_htcx/role/waist", "/user/vive_tracker_htcx/role/waist/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger click", "/user/vive_tracker_htcx/role/chest", "/user/vive_tracker_htcx/role/chest/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger click", "/user/vive_tracker_htcx/role/camera", "/user/vive_tracker_htcx/role/camera/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger click", "/user/vive_tracker_htcx/role/keyboard", "/user/vive_tracker_htcx/role/keyboard/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-
-	// register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Squeeze click", "/user/vive_tracker_htcx/role/handheld_object", "/user/vive_tracker_htcx/role/handheld_object/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Squeeze click", "/user/vive_tracker_htcx/role/left_foot", "/user/vive_tracker_htcx/role/left_foot/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Squeeze click", "/user/vive_tracker_htcx/role/right_foot", "/user/vive_tracker_htcx/role/right_foot/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Squeeze click", "/user/vive_tracker_htcx/role/left_shoulder", "/user/vive_tracker_htcx/role/left_shoulder/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Squeeze click", "/user/vive_tracker_htcx/role/right_shoulder", "/user/vive_tracker_htcx/role/right_shoulder/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Squeeze click", "/user/vive_tracker_htcx/role/left_elbow", "/user/vive_tracker_htcx/role/left_elbow/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Squeeze click", "/user/vive_tracker_htcx/role/right_elbow", "/user/vive_tracker_htcx/role/right_elbow/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Squeeze click", "/user/vive_tracker_htcx/role/left_knee", "/user/vive_tracker_htcx/role/left_knee/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Squeeze click", "/user/vive_tracker_htcx/role/right_knee", "/user/vive_tracker_htcx/role/right_knee/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Squeeze click", "/user/vive_tracker_htcx/role/waist", "/user/vive_tracker_htcx/role/waist/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Squeeze click", "/user/vive_tracker_htcx/role/chest", "/user/vive_tracker_htcx/role/chest/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Squeeze click", "/user/vive_tracker_htcx/role/camera", "/user/vive_tracker_htcx/role/camera/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Squeeze click", "/user/vive_tracker_htcx/role/keyboard", "/user/vive_tracker_htcx/role/keyboard/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-
-	// register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad", "/user/vive_tracker_htcx/role/handheld_object", "/user/vive_tracker_htcx/role/handheld_object/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad", "/user/vive_tracker_htcx/role/left_foot", "/user/vive_tracker_htcx/role/left_foot/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad", "/user/vive_tracker_htcx/role/right_foot", "/user/vive_tracker_htcx/role/right_foot/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad", "/user/vive_tracker_htcx/role/left_shoulder", "/user/vive_tracker_htcx/role/left_shoulder/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad", "/user/vive_tracker_htcx/role/right_shoulder", "/user/vive_tracker_htcx/role/right_shoulder/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad", "/user/vive_tracker_htcx/role/left_elbow", "/user/vive_tracker_htcx/role/left_elbow/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad", "/user/vive_tracker_htcx/role/right_elbow", "/user/vive_tracker_htcx/role/right_elbow/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad", "/user/vive_tracker_htcx/role/left_knee", "/user/vive_tracker_htcx/role/left_knee/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad", "/user/vive_tracker_htcx/role/right_knee", "/user/vive_tracker_htcx/role/right_knee/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad", "/user/vive_tracker_htcx/role/waist", "/user/vive_tracker_htcx/role/waist/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad", "/user/vive_tracker_htcx/role/chest", "/user/vive_tracker_htcx/role/chest/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad", "/user/vive_tracker_htcx/role/camera", "/user/vive_tracker_htcx/role/camera/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad", "/user/vive_tracker_htcx/role/keyboard", "/user/vive_tracker_htcx/role/keyboard/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
-
-	// register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad click", "/user/vive_tracker_htcx/role/handheld_object", "/user/vive_tracker_htcx/role/handheld_object/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad click", "/user/vive_tracker_htcx/role/left_foot", "/user/vive_tracker_htcx/role/left_foot/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad click", "/user/vive_tracker_htcx/role/right_foot", "/user/vive_tracker_htcx/role/right_foot/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad click", "/user/vive_tracker_htcx/role/left_shoulder", "/user/vive_tracker_htcx/role/left_shoulder/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad click", "/user/vive_tracker_htcx/role/right_shoulder", "/user/vive_tracker_htcx/role/right_shoulder/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad click", "/user/vive_tracker_htcx/role/left_elbow", "/user/vive_tracker_htcx/role/left_elbow/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad click", "/user/vive_tracker_htcx/role/right_elbow", "/user/vive_tracker_htcx/role/right_elbow/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad click", "/user/vive_tracker_htcx/role/left_knee", "/user/vive_tracker_htcx/role/left_knee/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad click", "/user/vive_tracker_htcx/role/right_knee", "/user/vive_tracker_htcx/role/right_knee/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad click", "/user/vive_tracker_htcx/role/waist", "/user/vive_tracker_htcx/role/waist/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad click", "/user/vive_tracker_htcx/role/chest", "/user/vive_tracker_htcx/role/chest/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad click", "/user/vive_tracker_htcx/role/camera", "/user/vive_tracker_htcx/role/camera/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad click", "/user/vive_tracker_htcx/role/keyboard", "/user/vive_tracker_htcx/role/keyboard/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
-
-	// register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad touch", "/user/vive_tracker_htcx/role/handheld_object", "/user/vive_tracker_htcx/role/handheld_object/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad touch", "/user/vive_tracker_htcx/role/left_foot", "/user/vive_tracker_htcx/role/left_foot/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad touch", "/user/vive_tracker_htcx/role/right_foot", "/user/vive_tracker_htcx/role/right_foot/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad touch", "/user/vive_tracker_htcx/role/left_shoulder", "/user/vive_tracker_htcx/role/left_shoulder/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad touch", "/user/vive_tracker_htcx/role/right_shoulder", "/user/vive_tracker_htcx/role/right_shoulder/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad touch", "/user/vive_tracker_htcx/role/left_elbow", "/user/vive_tracker_htcx/role/left_elbow/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad touch", "/user/vive_tracker_htcx/role/right_elbow", "/user/vive_tracker_htcx/role/right_elbow/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad touch", "/user/vive_tracker_htcx/role/left_knee", "/user/vive_tracker_htcx/role/left_knee/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad touch", "/user/vive_tracker_htcx/role/right_knee", "/user/vive_tracker_htcx/role/right_knee/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad touch", "/user/vive_tracker_htcx/role/waist", "/user/vive_tracker_htcx/role/waist/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad touch", "/user/vive_tracker_htcx/role/chest", "/user/vive_tracker_htcx/role/chest/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad touch", "/user/vive_tracker_htcx/role/camera", "/user/vive_tracker_htcx/role/camera/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad touch", "/user/vive_tracker_htcx/role/keyboard", "/user/vive_tracker_htcx/role/keyboard/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
-
-	// register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Grip pose", "/user/vive_tracker_htcx/role/handheld_object", "/user/vive_tracker_htcx/role/handheld_object/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Grip pose", "/user/vive_tracker_htcx/role/left_foot", "/user/vive_tracker_htcx/role/left_foot/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Grip pose", "/user/vive_tracker_htcx/role/right_foot", "/user/vive_tracker_htcx/role/right_foot/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Grip pose", "/user/vive_tracker_htcx/role/left_shoulder", "/user/vive_tracker_htcx/role/left_shoulder/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Grip pose", "/user/vive_tracker_htcx/role/right_shoulder", "/user/vive_tracker_htcx/role/right_shoulder/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Grip pose", "/user/vive_tracker_htcx/role/left_elbow", "/user/vive_tracker_htcx/role/left_elbow/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Grip pose", "/user/vive_tracker_htcx/role/right_elbow", "/user/vive_tracker_htcx/role/right_elbow/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Grip pose", "/user/vive_tracker_htcx/role/left_knee", "/user/vive_tracker_htcx/role/left_knee/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Grip pose", "/user/vive_tracker_htcx/role/right_knee", "/user/vive_tracker_htcx/role/right_knee/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Grip pose", "/user/vive_tracker_htcx/role/waist", "/user/vive_tracker_htcx/role/waist/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Grip pose", "/user/vive_tracker_htcx/role/chest", "/user/vive_tracker_htcx/role/chest/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Grip pose", "/user/vive_tracker_htcx/role/camera", "/user/vive_tracker_htcx/role/camera/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Grip pose", "/user/vive_tracker_htcx/role/keyboard", "/user/vive_tracker_htcx/role/keyboard/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
-
-	// register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Haptic output", "/user/vive_tracker_htcx/role/handheld_object", "/user/vive_tracker_htcx/role/handheld_object/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Haptic output", "/user/vive_tracker_htcx/role/left_foot", "/user/vive_tracker_htcx/role/left_foot/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Haptic output", "/user/vive_tracker_htcx/role/right_foot", "/user/vive_tracker_htcx/role/right_foot/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Haptic output", "/user/vive_tracker_htcx/role/left_shoulder", "/user/vive_tracker_htcx/role/left_shoulder/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Haptic output", "/user/vive_tracker_htcx/role/right_shoulder", "/user/vive_tracker_htcx/role/right_shoulder/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Haptic output", "/user/vive_tracker_htcx/role/left_elbow", "/user/vive_tracker_htcx/role/left_elbow/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Haptic output", "/user/vive_tracker_htcx/role/right_elbow", "/user/vive_tracker_htcx/role/right_elbow/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Haptic output", "/user/vive_tracker_htcx/role/left_knee", "/user/vive_tracker_htcx/role/left_knee/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Haptic output", "/user/vive_tracker_htcx/role/right_knee", "/user/vive_tracker_htcx/role/right_knee/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Haptic output", "/user/vive_tracker_htcx/role/waist", "/user/vive_tracker_htcx/role/waist/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Haptic output", "/user/vive_tracker_htcx/role/chest", "/user/vive_tracker_htcx/role/chest/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Haptic output", "/user/vive_tracker_htcx/role/camera", "/user/vive_tracker_htcx/role/camera/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
-	register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Haptic output", "/user/vive_tracker_htcx/role/keyboard", "/user/vive_tracker_htcx/role/keyboard/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
 }

modules/openxr/extensions/openxr_android_extension.cpp

@@ -44,11 +44,17 @@ OpenXRAndroidExtension *OpenXRAndroidExtension::get_singleton() {
 	return singleton;
 }
 
-OpenXRAndroidExtension::OpenXRAndroidExtension(OpenXRAPI *p_openxr_api) :
-		OpenXRExtensionWrapper(p_openxr_api) {
+OpenXRAndroidExtension::OpenXRAndroidExtension() {
 	singleton = this;
+}
+
+HashMap<String, bool *> OpenXRAndroidExtension::get_requested_extensions() {
+	HashMap<String, bool *> request_extensions;
+
 	request_extensions[XR_KHR_LOADER_INIT_ANDROID_EXTENSION_NAME] = &loader_init_extension_available;
 	request_extensions[XR_KHR_ANDROID_CREATE_INSTANCE_EXTENSION_NAME] = &create_instance_extension_available;
+
+	return request_extensions;
 }
 
 void OpenXRAndroidExtension::on_before_instance_created() {

modules/openxr/extensions/openxr_android_extension.h

@@ -38,8 +38,9 @@ class OpenXRAndroidExtension : public OpenXRExtensionWrapper {
 public:
 	static OpenXRAndroidExtension *get_singleton();
 
-	OpenXRAndroidExtension(OpenXRAPI *p_openxr_api);
+	OpenXRAndroidExtension();
 
+	virtual HashMap<String, bool *> get_requested_extensions() override;
 	virtual void on_before_instance_created() override;
 	virtual void *set_instance_create_info_and_get_next_pointer(void *p_next_pointer) override;
 

modules/openxr/extensions/openxr_composition_layer_depth_extension.cpp

@@ -36,17 +36,22 @@ OpenXRCompositionLayerDepthExtension *OpenXRCompositionLayerDepthExtension::get_
 	return singleton;
 }
 
-OpenXRCompositionLayerDepthExtension::OpenXRCompositionLayerDepthExtension(OpenXRAPI *p_openxr_api) :
-		OpenXRExtensionWrapper(p_openxr_api) {
+OpenXRCompositionLayerDepthExtension::OpenXRCompositionLayerDepthExtension() {
 	singleton = this;
-
-	request_extensions[XR_KHR_COMPOSITION_LAYER_DEPTH_EXTENSION_NAME] = &available;
 }
 
 OpenXRCompositionLayerDepthExtension::~OpenXRCompositionLayerDepthExtension() {
 	singleton = nullptr;
 }
 
+HashMap<String, bool *> OpenXRCompositionLayerDepthExtension::get_requested_extensions() {
+	HashMap<String, bool *> request_extensions;
+
+	request_extensions[XR_KHR_COMPOSITION_LAYER_DEPTH_EXTENSION_NAME] = &available;
+
+	return request_extensions;
+}
+
 bool OpenXRCompositionLayerDepthExtension::is_available() {
 	return available;
 }

modules/openxr/extensions/openxr_composition_layer_depth_extension.h

@@ -38,9 +38,10 @@ class OpenXRCompositionLayerDepthExtension : public OpenXRExtensionWrapper, publ
 public:
 	static OpenXRCompositionLayerDepthExtension *get_singleton();
 
-	OpenXRCompositionLayerDepthExtension(OpenXRAPI *p_openxr_api);
+	OpenXRCompositionLayerDepthExtension();
 	virtual ~OpenXRCompositionLayerDepthExtension() override;
 
+	virtual HashMap<String, bool *> get_requested_extensions() override;
 	bool is_available();
 	virtual XrCompositionLayerBaseHeader *get_composition_layer() override;
 

modules/openxr/extensions/openxr_extension_wrapper.h

@@ -42,19 +42,14 @@
 class OpenXRAPI;
 class OpenXRActionMap;
 
+// `OpenXRExtensionWrapper` allows us to implement OpenXR extensions.
 class OpenXRExtensionWrapper {
-protected:
-	OpenXRAPI *openxr_api = nullptr;
-
-	// Store extension we require.
-	// If bool pointer is a nullptr this means this extension is mandatory and initialisation will fail if it is not available
-	// If bool pointer is set, value will be set to true or false depending on whether extension is available
-	HashMap<String, bool *> request_extensions;
-
 public:
-	virtual HashMap<String, bool *> get_request_extensions() {
-		return request_extensions;
-	}
+	// `get_requested_extensions` should return a list of OpenXR extensions related to this extension.
+	// If the bool * is a nullptr this extension is mandatory
+	// If the bool * points to a boolean, the boolean will be updated
+	// to true if the extension is enabled.
+	virtual HashMap<String, bool *> get_requested_extensions() = 0;
 
 	// These functions allow an extension to add entries to a struct chain.
 	// `p_next_pointer` points to the last struct that was created for this chain
@@ -62,49 +57,60 @@ public:
 	// You should return the pointer to the last struct you define as your result.
 	// If you are not adding any structs, just return `p_next_pointer`.
 	// See existing extensions for examples of this implementation.
-	virtual void *set_system_properties_and_get_next_pointer(void *p_next_pointer) { return p_next_pointer; }
-	virtual void *set_session_create_and_get_next_pointer(void *p_next_pointer) { return p_next_pointer; }
-	virtual void *set_swapchain_create_info_and_get_next_pointer(void *p_next_pointer) { return p_next_pointer; }
-	virtual void *set_instance_create_info_and_get_next_pointer(void *p_next_pointer) { return p_next_pointer; }
+	virtual void *set_system_properties_and_get_next_pointer(void *p_next_pointer) { return p_next_pointer; } // Add additional data structures when we interogate OpenXRS system abilities.
+	virtual void *set_instance_create_info_and_get_next_pointer(void *p_next_pointer) { return p_next_pointer; } // Add additional data structures when we create our OpenXR instance.
+	virtual void *set_session_create_and_get_next_pointer(void *p_next_pointer) { return p_next_pointer; } // Add additional data structures when we create our OpenXR session.
+	virtual void *set_swapchain_create_info_and_get_next_pointer(void *p_next_pointer) { return p_next_pointer; } // Add additional data structures when creating OpenXR swap chains.
 
-	virtual void on_before_instance_created() {}
-	virtual void on_instance_created(const XrInstance p_instance) {}
-	virtual void on_instance_destroyed() {}
-	virtual void on_session_created(const XrSession p_instance) {}
+	// `on_register_metadata` allows extensions to register additional controller metadata.
+	// This function is called even when OpenXRApi is not constructured as the metadata
+	// needs to be available to the editor.
+	// Also extensions should provide metadata regardless of whether they are supported
+	// on the host system as the controller data is used to setup action maps for users
+	// who may have access to the relevant hardware.
+	virtual void on_register_metadata() {}
+
+	virtual void on_before_instance_created() {} // `on_before_instance_created` is called before we create our OpenXR instance.
+	virtual void on_instance_created(const XrInstance p_instance) {} // `on_instance_created` is called right after we've successfully created our OpenXR instance.
+	virtual void on_instance_destroyed() {} // `on_instance_destroyed` is called right before we destroy our OpenXR instance.
+	virtual void on_session_created(const XrSession p_instance) {} // `on_session_created` is called right after we've successsfully created our OpenXR session.
+	virtual void on_session_destroyed() {} // `on_session_destroyed` is called right before we destroy our OpenXR session.
+
+	// `on_process` is called as part of our OpenXR process handling,
+	// this happens right before physics process and normal processing is run.
+	// This is when controller data is queried and made available to game logic.
 	virtual void on_process() {}
-	virtual void on_pre_render() {}
-	virtual void on_session_destroyed() {}
+	virtual void on_pre_render() {} // `on_pre_render` is called right before we start rendering our XR viewport.
 
-	virtual void on_state_idle() {}
-	virtual void on_state_ready() {}
-	virtual void on_state_synchronized() {}
-	virtual void on_state_visible() {}
-	virtual void on_state_focused() {}
-	virtual void on_state_stopping() {}
-	virtual void on_state_loss_pending() {}
-	virtual void on_state_exiting() {}
+	virtual void on_state_idle() {} // `on_state_idle` is called when the OpenXR session state is changed to idle.
+	virtual void on_state_ready() {} // `on_state_ready` is called when the OpenXR session state is changed to ready, this means OpenXR is ready to setup our session.
+	virtual void on_state_synchronized() {} // `on_state_synchronized` is called when the OpenXR session state is changed to synchronized, note that OpenXR also returns to this state when our application looses focus.
+	virtual void on_state_visible() {} // `on_state_visible` is called when the OpenXR session state is changed to visible, OpenXR is now ready to receive frames.
+	virtual void on_state_focused() {} // `on_state_focused` is called when the OpenXR session state is changed to focused, this state is the active state when our game runs.
+	virtual void on_state_stopping() {} // `on_state_stopping` is called when the OpenXR session state is changed to stopping.
+	virtual void on_state_loss_pending() {} // `on_state_loss_pending` is called when the OpenXR session state is changed to loss pending.
+	virtual void on_state_exiting() {} // `on_state_exiting` is called when the OpenXR session state is changed to exiting.
 
-	// Returns true if the event was handled, false otherwise.
+	// `on_event_polled` is called when there is an OpenXR event to process.
+	// Should return true if the event was handled, false otherwise.
 	virtual bool on_event_polled(const XrEventDataBuffer &event) {
 		return false;
 	}
 
-	OpenXRExtensionWrapper(OpenXRAPI *p_openxr_api) { openxr_api = p_openxr_api; };
+	OpenXRExtensionWrapper() = default;
 	virtual ~OpenXRExtensionWrapper() = default;
 };
 
+// `OpenXRGraphicsExtensionWrapper` implements specific logic for each supported graphics API.
 class OpenXRGraphicsExtensionWrapper : public OpenXRExtensionWrapper {
 public:
-	virtual void get_usable_swapchain_formats(Vector<int64_t> &p_usable_swap_chains) = 0;
-	virtual void get_usable_depth_formats(Vector<int64_t> &p_usable_swap_chains) = 0;
-	virtual String get_swapchain_format_name(int64_t p_swapchain_format) const = 0;
-	virtual bool get_swapchain_image_data(XrSwapchain p_swapchain, int64_t p_swapchain_format, uint32_t p_width, uint32_t p_height, uint32_t p_sample_count, uint32_t p_array_size, void **r_swapchain_graphics_data) = 0;
-	virtual void cleanup_swapchain_graphics_data(void **p_swapchain_graphics_data) = 0;
-	virtual bool create_projection_fov(const XrFovf p_fov, double p_z_near, double p_z_far, Projection &r_camera_matrix) = 0;
-	virtual RID get_texture(void *p_swapchain_graphics_data, int p_image_index) = 0;
-
-	OpenXRGraphicsExtensionWrapper(OpenXRAPI *p_openxr_api) :
-			OpenXRExtensionWrapper(p_openxr_api){};
+	virtual void get_usable_swapchain_formats(Vector<int64_t> &p_usable_swap_chains) = 0; // `get_usable_swapchain_formats` should return a list of usable color formats.
+	virtual void get_usable_depth_formats(Vector<int64_t> &p_usable_swap_chains) = 0; // `get_usable_depth_formats` should return a list of usable depth formats.
+	virtual String get_swapchain_format_name(int64_t p_swapchain_format) const = 0; // `get_swapchain_format_name` should return the constant name of a given format.
+	virtual bool get_swapchain_image_data(XrSwapchain p_swapchain, int64_t p_swapchain_format, uint32_t p_width, uint32_t p_height, uint32_t p_sample_count, uint32_t p_array_size, void **r_swapchain_graphics_data) = 0; // `get_swapchain_image_data` extracts image IDs for the swapchain images and stores there in an implementation dependent data structure.
+	virtual void cleanup_swapchain_graphics_data(void **p_swapchain_graphics_data) = 0; // `cleanup_swapchain_graphics_data` cleans up the data held in our implementation dependent data structure and should free up its memory.
+	virtual bool create_projection_fov(const XrFovf p_fov, double p_z_near, double p_z_far, Projection &r_camera_matrix) = 0; // `create_projection_fov` creates a proper projection matrix based on asymmetric FOV data provided by OpenXR.
+	virtual RID get_texture(void *p_swapchain_graphics_data, int p_image_index) = 0; // `get_texture` returns a Godot texture RID for the current active texture in our swapchain.
 };
 
 #endif // OPENXR_EXTENSION_WRAPPER_H

modules/openxr/extensions/openxr_fb_display_refresh_rate_extension.cpp

@@ -36,18 +36,22 @@ OpenXRDisplayRefreshRateExtension *OpenXRDisplayRefreshRateExtension::get_single
 	return singleton;
 }
 
-OpenXRDisplayRefreshRateExtension::OpenXRDisplayRefreshRateExtension(OpenXRAPI *p_openxr_api) :
-		OpenXRExtensionWrapper(p_openxr_api) {
+OpenXRDisplayRefreshRateExtension::OpenXRDisplayRefreshRateExtension() {
 	singleton = this;
-
-	// Extensions we use for our hand tracking.
-	request_extensions[XR_FB_DISPLAY_REFRESH_RATE_EXTENSION_NAME] = &display_refresh_rate_ext;
 }
 
 OpenXRDisplayRefreshRateExtension::~OpenXRDisplayRefreshRateExtension() {
 	display_refresh_rate_ext = false;
 }
 
+HashMap<String, bool *> OpenXRDisplayRefreshRateExtension::get_requested_extensions() {
+	HashMap<String, bool *> request_extensions;
+
+	request_extensions[XR_FB_DISPLAY_REFRESH_RATE_EXTENSION_NAME] = &display_refresh_rate_ext;
+
+	return request_extensions;
+}
+
 void OpenXRDisplayRefreshRateExtension::on_instance_created(const XrInstance p_instance) {
 	if (display_refresh_rate_ext) {
 		EXT_INIT_XR_FUNC(xrEnumerateDisplayRefreshRatesFB);
@@ -65,9 +69,9 @@ float OpenXRDisplayRefreshRateExtension::get_refresh_rate() const {
 
 	if (display_refresh_rate_ext) {
 		float rate;
-		XrResult result = xrGetDisplayRefreshRateFB(openxr_api->get_session(), &rate);
+		XrResult result = xrGetDisplayRefreshRateFB(OpenXRAPI::get_singleton()->get_session(), &rate);
 		if (XR_FAILED(result)) {
-			print_line("OpenXR: Failed to obtain refresh rate [", openxr_api->get_error_string(result), "]");
+			print_line("OpenXR: Failed to obtain refresh rate [", OpenXRAPI::get_singleton()->get_error_string(result), "]");
 		} else {
 			refresh_rate = rate;
 		}
@@ -78,9 +82,9 @@ float OpenXRDisplayRefreshRateExtension::get_refresh_rate() const {
 
 void OpenXRDisplayRefreshRateExtension::set_refresh_rate(float p_refresh_rate) {
 	if (display_refresh_rate_ext) {
-		XrResult result = xrRequestDisplayRefreshRateFB(openxr_api->get_session(), p_refresh_rate);
+		XrResult result = xrRequestDisplayRefreshRateFB(OpenXRAPI::get_singleton()->get_session(), p_refresh_rate);
 		if (XR_FAILED(result)) {
-			print_line("OpenXR: Failed to set refresh rate [", openxr_api->get_error_string(result), "]");
+			print_line("OpenXR: Failed to set refresh rate [", OpenXRAPI::get_singleton()->get_error_string(result), "]");
 		}
 	}
 }
@@ -91,21 +95,21 @@ Array OpenXRDisplayRefreshRateExtension::get_available_refresh_rates() const {
 
 	if (display_refresh_rate_ext) {
 		uint32_t display_refresh_rate_count = 0;
-		result = xrEnumerateDisplayRefreshRatesFB(openxr_api->get_session(), 0, &display_refresh_rate_count, nullptr);
+		result = xrEnumerateDisplayRefreshRatesFB(OpenXRAPI::get_singleton()->get_session(), 0, &display_refresh_rate_count, nullptr);
 		if (XR_FAILED(result)) {
-			print_line("OpenXR: Failed to obtain refresh rates count [", openxr_api->get_error_string(result), "]");
+			print_line("OpenXR: Failed to obtain refresh rates count [", OpenXRAPI::get_singleton()->get_error_string(result), "]");
 		}
 
 		if (display_refresh_rate_count > 0) {
 			float *display_refresh_rates = (float *)memalloc(sizeof(float) * display_refresh_rate_count);
 			if (display_refresh_rates == nullptr) {
-				print_line("OpenXR: Failed to obtain refresh rates memory buffer [", openxr_api->get_error_string(result), "]");
+				print_line("OpenXR: Failed to obtain refresh rates memory buffer [", OpenXRAPI::get_singleton()->get_error_string(result), "]");
 				return arr;
 			}
 
-			result = xrEnumerateDisplayRefreshRatesFB(openxr_api->get_session(), display_refresh_rate_count, &display_refresh_rate_count, display_refresh_rates);
+			result = xrEnumerateDisplayRefreshRatesFB(OpenXRAPI::get_singleton()->get_session(), display_refresh_rate_count, &display_refresh_rate_count, display_refresh_rates);
 			if (XR_FAILED(result)) {
-				print_line("OpenXR: Failed to obtain refresh rates count [", openxr_api->get_error_string(result), "]");
+				print_line("OpenXR: Failed to obtain refresh rates count [", OpenXRAPI::get_singleton()->get_error_string(result), "]");
 				memfree(display_refresh_rates);
 				return arr;
 			}

modules/openxr/extensions/openxr_fb_display_refresh_rate_extension.h

@@ -45,9 +45,11 @@ class OpenXRDisplayRefreshRateExtension : public OpenXRExtensionWrapper {
 public:
 	static OpenXRDisplayRefreshRateExtension *get_singleton();
 
-	OpenXRDisplayRefreshRateExtension(OpenXRAPI *p_openxr_api);
+	OpenXRDisplayRefreshRateExtension();
 	virtual ~OpenXRDisplayRefreshRateExtension() override;
 
+	virtual HashMap<String, bool *> get_requested_extensions() override;
+
 	virtual void on_instance_created(const XrInstance p_instance) override;
 	virtual void on_instance_destroyed() override;
 

modules/openxr/extensions/openxr_fb_passthrough_extension_wrapper.cpp

@@ -42,10 +42,7 @@ OpenXRFbPassthroughExtensionWrapper *OpenXRFbPassthroughExtensionWrapper::get_si
 	return singleton;
 }
 
-OpenXRFbPassthroughExtensionWrapper::OpenXRFbPassthroughExtensionWrapper(OpenXRAPI *p_openxr_api) :
-		OpenXRExtensionWrapper(p_openxr_api) {
-	request_extensions[XR_FB_PASSTHROUGH_EXTENSION_NAME] = &fb_passthrough_ext;
-	request_extensions[XR_FB_TRIANGLE_MESH_EXTENSION_NAME] = &fb_triangle_mesh_ext;
+OpenXRFbPassthroughExtensionWrapper::OpenXRFbPassthroughExtensionWrapper() {
 	singleton = this;
 }
 
@@ -53,6 +50,15 @@ OpenXRFbPassthroughExtensionWrapper::~OpenXRFbPassthroughExtensionWrapper() {
 	cleanup();
 }
 
+HashMap<String, bool *> OpenXRFbPassthroughExtensionWrapper::get_requested_extensions() {
+	HashMap<String, bool *> request_extensions;
+
+	request_extensions[XR_FB_PASSTHROUGH_EXTENSION_NAME] = &fb_passthrough_ext;
+	request_extensions[XR_FB_TRIANGLE_MESH_EXTENSION_NAME] = &fb_triangle_mesh_ext;
+
+	return request_extensions;
+}
+
 void OpenXRFbPassthroughExtensionWrapper::cleanup() {
 	fb_passthrough_ext = false;
 	fb_triangle_mesh_ext = false;
@@ -93,7 +99,7 @@ void OpenXRFbPassthroughExtensionWrapper::on_instance_created(const XrInstance i
 	}
 
 	if (fb_passthrough_ext) {
-		openxr_api->register_composition_layer_provider(this);
+		OpenXRAPI::get_singleton()->register_composition_layer_provider(this);
 	}
 }
 
@@ -122,7 +128,7 @@ bool OpenXRFbPassthroughExtensionWrapper::start_passthrough() {
 	}
 
 	// Create the passthrough layer
-	result = xrCreatePassthroughLayerFB(openxr_api->get_session(), &passthrough_layer_config, &passthrough_layer);
+	result = xrCreatePassthroughLayerFB(OpenXRAPI::get_singleton()->get_session(), &passthrough_layer_config, &passthrough_layer);
 	if (!is_valid_passthrough_result(result, "Failed to create the passthrough layer")) {
 		stop_passthrough();
 		return false;
@@ -142,8 +148,8 @@ bool OpenXRFbPassthroughExtensionWrapper::start_passthrough() {
 void OpenXRFbPassthroughExtensionWrapper::on_session_created(const XrSession session) {
 	if (fb_passthrough_ext) {
 		// Create the passthrough feature and start it.
-		XrResult result = xrCreatePassthroughFB(openxr_api->get_session(), &passthrough_create_info, &passthrough_handle);
-		if (!openxr_api->xr_result(result, "Failed to create passthrough")) {
+		XrResult result = xrCreatePassthroughFB(OpenXRAPI::get_singleton()->get_session(), &passthrough_create_info, &passthrough_handle);
+		if (!OpenXRAPI::get_singleton()->xr_result(result, "Failed to create passthrough")) {
 			passthrough_handle = XR_NULL_HANDLE;
 			return;
 		}
@@ -169,13 +175,13 @@ void OpenXRFbPassthroughExtensionWrapper::stop_passthrough() {
 	if (passthrough_layer != XR_NULL_HANDLE) {
 		// Destroy the layer
 		result = xrDestroyPassthroughLayerFB(passthrough_layer);
-		openxr_api->xr_result(result, "Unable to destroy passthrough layer");
+		OpenXRAPI::get_singleton()->xr_result(result, "Unable to destroy passthrough layer");
 		passthrough_layer = XR_NULL_HANDLE;
 	}
 
 	if (passthrough_handle != XR_NULL_HANDLE) {
 		result = xrPassthroughPauseFB(passthrough_handle);
-		openxr_api->xr_result(result, "Unable to stop passthrough feature");
+		OpenXRAPI::get_singleton()->xr_result(result, "Unable to stop passthrough feature");
 	}
 }
 
@@ -186,7 +192,7 @@ void OpenXRFbPassthroughExtensionWrapper::on_session_destroyed() {
 		XrResult result;
 		if (passthrough_handle != XR_NULL_HANDLE) {
 			result = xrDestroyPassthroughFB(passthrough_handle);
-			openxr_api->xr_result(result, "Unable to destroy passthrough feature");
+			OpenXRAPI::get_singleton()->xr_result(result, "Unable to destroy passthrough feature");
 			passthrough_handle = XR_NULL_HANDLE;
 		}
 	}
@@ -194,13 +200,13 @@ void OpenXRFbPassthroughExtensionWrapper::on_session_destroyed() {
 
 void OpenXRFbPassthroughExtensionWrapper::on_instance_destroyed() {
 	if (fb_passthrough_ext) {
-		openxr_api->unregister_composition_layer_provider(this);
+		OpenXRAPI::get_singleton()->unregister_composition_layer_provider(this);
 	}
 	cleanup();
 }
 
 bool OpenXRFbPassthroughExtensionWrapper::initialize_fb_passthrough_extension(const XrInstance p_instance) {
-	ERR_FAIL_NULL_V(openxr_api, false);
+	ERR_FAIL_NULL_V(OpenXRAPI::get_singleton(), false);
 
 	EXT_INIT_XR_FUNC_V(xrCreatePassthroughFB);
 	EXT_INIT_XR_FUNC_V(xrDestroyPassthroughFB);
@@ -219,7 +225,7 @@ bool OpenXRFbPassthroughExtensionWrapper::initialize_fb_passthrough_extension(co
 }
 
 bool OpenXRFbPassthroughExtensionWrapper::initialize_fb_triangle_mesh_extension(const XrInstance p_instance) {
-	ERR_FAIL_NULL_V(openxr_api, false);
+	ERR_FAIL_NULL_V(OpenXRAPI::get_singleton(), false);
 
 	EXT_INIT_XR_FUNC_V(xrCreateTriangleMeshFB);
 	EXT_INIT_XR_FUNC_V(xrDestroyTriangleMeshFB);

modules/openxr/extensions/openxr_fb_passthrough_extension_wrapper.h

@@ -43,9 +43,12 @@ class Viewport;
 
 // Wrapper for the set of Facebook XR passthrough extensions.
 class OpenXRFbPassthroughExtensionWrapper : public OpenXRExtensionWrapper, public OpenXRCompositionLayerProvider {
-	friend class OpenXRAPI;
-
 public:
+	OpenXRFbPassthroughExtensionWrapper();
+	~OpenXRFbPassthroughExtensionWrapper();
+
+	virtual HashMap<String, bool *> get_requested_extensions() override;
+
 	void on_instance_created(const XrInstance instance) override;
 
 	void on_session_created(const XrSession session) override;
@@ -68,10 +71,6 @@ public:
 
 	static OpenXRFbPassthroughExtensionWrapper *get_singleton();
 
-protected:
-	OpenXRFbPassthroughExtensionWrapper(OpenXRAPI *p_openxr_api);
-	~OpenXRFbPassthroughExtensionWrapper();
-
 private:
 	// Create a passthrough feature
 	EXT_PROTO_XRRESULT_FUNC3(xrCreatePassthroughFB,
@@ -208,7 +207,7 @@ private:
 	//  returned even when the operation is valid on Meta Quest devices.
 	//  The issue should be addressed on that platform in OS release v37.
 	inline bool is_valid_passthrough_result(XrResult result, const char *format) {
-		return openxr_api->xr_result(result, format) || result == XR_ERROR_UNEXPECTED_STATE_PASSTHROUGH_FB;
+		return OpenXRAPI::get_singleton()->xr_result(result, format) || result == XR_ERROR_UNEXPECTED_STATE_PASSTHROUGH_FB;
 	}
 
 	Viewport *get_main_viewport();
@@ -234,12 +233,6 @@ private:
 		XR_PASSTHROUGH_IS_RUNNING_AT_CREATION_BIT_FB,
 		XR_PASSTHROUGH_LAYER_PURPOSE_RECONSTRUCTION_FB,
 	};
-	XrPassthroughStyleFB passthrough_layer_style = {
-		XR_TYPE_PASSTHROUGH_STYLE_FB,
-		nullptr,
-		1,
-		{ 0, 0, 0, 0 },
-	};
 	XrPassthroughLayerFB passthrough_layer = XR_NULL_HANDLE;
 
 	XrCompositionLayerPassthroughFB composition_passthrough_layer = {

modules/openxr/extensions/openxr_hand_tracking_extension.cpp

@@ -41,15 +41,9 @@ OpenXRHandTrackingExtension *OpenXRHandTrackingExtension::get_singleton() {
 	return singleton;
 }
 
-OpenXRHandTrackingExtension::OpenXRHandTrackingExtension(OpenXRAPI *p_openxr_api) :
-		OpenXRExtensionWrapper(p_openxr_api) {
+OpenXRHandTrackingExtension::OpenXRHandTrackingExtension() {
 	singleton = this;
 
-	// Extensions we use for our hand tracking.
-	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_FB_HAND_TRACKING_AIM_EXTENSION_NAME] = &hand_tracking_aim_state_ext;
-
 	// Make sure this is cleared until we actually request it
 	handTrackingSystemProperties.supportsHandTracking = false;
 }
@@ -58,6 +52,16 @@ OpenXRHandTrackingExtension::~OpenXRHandTrackingExtension() {
 	singleton = nullptr;
 }
 
+HashMap<String, bool *> OpenXRHandTrackingExtension::get_requested_extensions() {
+	HashMap<String, bool *> request_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_FB_HAND_TRACKING_AIM_EXTENSION_NAME] = &hand_tracking_aim_state_ext;
+
+	return request_extensions;
+}
+
 void OpenXRHandTrackingExtension::on_instance_created(const XrInstance p_instance) {
 	if (hand_tracking_ext) {
 		EXT_INIT_XR_FUNC(xrCreateHandTrackerEXT);
@@ -127,7 +131,7 @@ void OpenXRHandTrackingExtension::on_process() {
 	}
 
 	// process our hands
-	const XrTime time = openxr_api->get_next_frame_time(); // This data will be used for the next frame we render
+	const XrTime time = OpenXRAPI::get_singleton()->get_next_frame_time(); // This data will be used for the next frame we render
 
 	XrResult result;
 
@@ -140,10 +144,10 @@ void OpenXRHandTrackingExtension::on_process() {
 				XR_HAND_JOINT_SET_DEFAULT_EXT, // handJointSet
 			};
 
-			result = xrCreateHandTrackerEXT(openxr_api->get_session(), &createInfo, &hand_trackers[i].hand_tracker);
+			result = xrCreateHandTrackerEXT(OpenXRAPI::get_singleton()->get_session(), &createInfo, &hand_trackers[i].hand_tracker);
 			if (XR_FAILED(result)) {
 				// not successful? then we do nothing.
-				print_line("OpenXR: Failed to obtain hand tracking information [", openxr_api->get_error_string(result), "]");
+				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;
@@ -192,14 +196,14 @@ void OpenXRHandTrackingExtension::on_process() {
 			XrHandJointsLocateInfoEXT locateInfo = {
 				XR_TYPE_HAND_JOINTS_LOCATE_INFO_EXT, // type
 				next_pointer, // next
-				openxr_api->get_play_space(), // baseSpace
+				OpenXRAPI::get_singleton()->get_play_space(), // baseSpace
 				time, // time
 			};
 
 			result = xrLocateHandJointsEXT(hand_trackers[i].hand_tracker, &locateInfo, &hand_trackers[i].locations);
 			if (XR_FAILED(result)) {
 				// not successful? then we do nothing.
-				print_line("OpenXR: Failed to get tracking for hand", i, "[", openxr_api->get_error_string(result), "]");
+				print_line("OpenXR: Failed to get tracking for hand", i, "[", OpenXRAPI::get_singleton()->get_error_string(result), "]");
 				continue;
 			}
 

modules/openxr/extensions/openxr_hand_tracking_extension.h

@@ -54,9 +54,11 @@ public:
 
 	static OpenXRHandTrackingExtension *get_singleton();
 
-	OpenXRHandTrackingExtension(OpenXRAPI *p_openxr_api);
+	OpenXRHandTrackingExtension();
 	virtual ~OpenXRHandTrackingExtension() override;
 
+	virtual HashMap<String, bool *> get_requested_extensions() override;
+
 	virtual void on_instance_created(const XrInstance p_instance) override;
 	virtual void on_instance_destroyed() override;
 	virtual void on_session_destroyed() override;

modules/openxr/extensions/openxr_htc_controller_extension.cpp

@@ -0,0 +1,129 @@
+/*************************************************************************/
+/*  openxr_htc_controller_extension.cpp                                  */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "openxr_htc_controller_extension.h"
+#include "../action_map/openxr_interaction_profile_meta_data.h"
+
+HashMap<String, bool *> OpenXRHTCControllerExtension::get_requested_extensions() {
+	HashMap<String, bool *> request_extensions;
+
+	request_extensions[XR_HTC_VIVE_COSMOS_CONTROLLER_INTERACTION_EXTENSION_NAME] = &available[HTC_VIVE_COSMOS];
+	request_extensions[XR_HTC_VIVE_FOCUS3_CONTROLLER_INTERACTION_EXTENSION_NAME] = &available[HTC_VIVE_FOCUS3];
+
+	return request_extensions;
+}
+
+bool OpenXRHTCControllerExtension::is_available(HTCControllers p_type) {
+	return available[p_type];
+}
+
+void OpenXRHTCControllerExtension::on_register_metadata() {
+	OpenXRInteractionProfileMetaData *metadata = OpenXRInteractionProfileMetaData::get_singleton();
+	ERR_FAIL_NULL(metadata);
+
+	// HTC Vive Cosmos controller
+	metadata->register_interaction_profile("Vive Cosmos controller", "/interaction_profiles/htc/vive_cosmos_controller", XR_HTC_VIVE_COSMOS_CONTROLLER_INTERACTION_EXTENSION_NAME);
+	metadata->register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Grip pose", "/user/hand/left", "/user/hand/left/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Grip pose", "/user/hand/right", "/user/hand/right/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Aim pose", "/user/hand/left", "/user/hand/left/input/aim/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Aim pose", "/user/hand/right", "/user/hand/right/input/aim/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Palm pose", "/user/hand/left", "/user/hand/left/input/palm_ext/pose", XR_EXT_PALM_POSE_EXTENSION_NAME, OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Palm pose", "/user/hand/right", "/user/hand/right/input/palm_ext/pose", XR_EXT_PALM_POSE_EXTENSION_NAME, OpenXRAction::OPENXR_ACTION_POSE);
+
+	metadata->register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Menu click", "/user/hand/left", "/user/hand/left/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "System click", "/user/hand/right", "/user/hand/right/input/system/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+
+	metadata->register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "X click", "/user/hand/left", "/user/hand/left/input/x/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Y click", "/user/hand/left", "/user/hand/left/input/y/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "A click", "/user/hand/right", "/user/hand/right/input/a/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "B click", "/user/hand/right", "/user/hand/right/input/b/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+
+	metadata->register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Shoulder click", "/user/hand/left", "/user/hand/left/input/shoulder/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Shoulder click", "/user/hand/right", "/user/hand/right/input/shoulder/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+
+	metadata->register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Trigger", "/user/hand/left", "/user/hand/left/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
+	metadata->register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Trigger click", "/user/hand/left", "/user/hand/left/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Trigger", "/user/hand/right", "/user/hand/right/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
+	metadata->register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Trigger click", "/user/hand/right", "/user/hand/right/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+
+	metadata->register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Squeeze click", "/user/hand/left", "/user/hand/left/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Squeeze click", "/user/hand/right", "/user/hand/right/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+
+	metadata->register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Thumbstick", "/user/hand/left", "/user/hand/left/input/thumbstick", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
+	metadata->register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Thumbstick click", "/user/hand/left", "/user/hand/left/input/thumbstick/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Thumbstick touch", "/user/hand/left", "/user/hand/left/input/thumbstick/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Thumbstick", "/user/hand/right", "/user/hand/right/input/thumbstick", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
+	metadata->register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Thumbstick click", "/user/hand/right", "/user/hand/right/input/thumbstick/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Thumbstick touch", "/user/hand/right", "/user/hand/right/input/thumbstick/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
+
+	metadata->register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Haptic output", "/user/hand/left", "/user/hand/left/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
+	metadata->register_io_path("/interaction_profiles/htc/vive_cosmos_controller", "Haptic output", "/user/hand/right", "/user/hand/right/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
+
+	// HTC Vive Focus 3 controller
+	metadata->register_interaction_profile("Vive Focus 3 controller", "/interaction_profiles/htc/vive_focus3_controller", XR_HTC_VIVE_FOCUS3_CONTROLLER_INTERACTION_EXTENSION_NAME);
+	metadata->register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Grip pose", "/user/hand/left", "/user/hand/left/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Grip pose", "/user/hand/right", "/user/hand/right/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Aim pose", "/user/hand/left", "/user/hand/left/input/aim/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Aim pose", "/user/hand/right", "/user/hand/right/input/aim/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Palm pose", "/user/hand/left", "/user/hand/left/input/palm_ext/pose", XR_EXT_PALM_POSE_EXTENSION_NAME, OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Palm pose", "/user/hand/right", "/user/hand/right/input/palm_ext/pose", XR_EXT_PALM_POSE_EXTENSION_NAME, OpenXRAction::OPENXR_ACTION_POSE);
+
+	metadata->register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Menu click", "/user/hand/left", "/user/hand/left/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_focus3_controller", "System click", "/user/hand/right", "/user/hand/right/input/system/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+
+	metadata->register_io_path("/interaction_profiles/htc/vive_focus3_controller", "X click", "/user/hand/left", "/user/hand/left/input/x/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Y click", "/user/hand/left", "/user/hand/left/input/y/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_focus3_controller", "A click", "/user/hand/right", "/user/hand/right/input/a/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_focus3_controller", "B click", "/user/hand/right", "/user/hand/right/input/b/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+
+	metadata->register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Trigger", "/user/hand/left", "/user/hand/left/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
+	metadata->register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Trigger click", "/user/hand/left", "/user/hand/left/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Trigger touch", "/user/hand/left", "/user/hand/left/input/trigger/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Trigger", "/user/hand/right", "/user/hand/right/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
+	metadata->register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Trigger click", "/user/hand/right", "/user/hand/right/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Trigger touch", "/user/hand/right", "/user/hand/right/input/trigger/touch	", "", OpenXRAction::OPENXR_ACTION_BOOL);
+
+	metadata->register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Squeeze click", "/user/hand/left", "/user/hand/left/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Squeeze touch", "/user/hand/left", "/user/hand/left/input/squeeze/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Squeeze click", "/user/hand/right", "/user/hand/right/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Squeeze touch", "/user/hand/right", "/user/hand/right/input/squeeze/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
+
+	metadata->register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Thumbstick", "/user/hand/left", "/user/hand/left/input/thumbstick", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
+	metadata->register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Thumbstick click", "/user/hand/left", "/user/hand/left/input/thumbstick/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Thumbstick touch", "/user/hand/left", "/user/hand/left/input/thumbstick/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Thumbstick", "/user/hand/right", "/user/hand/right/input/thumbstick", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
+	metadata->register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Thumbstick click", "/user/hand/right", "/user/hand/right/input/thumbstick/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Thumbstick touch", "/user/hand/right", "/user/hand/right/input/thumbstick/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
+
+	metadata->register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Thumbrest touch", "/user/hand/right", "/user/hand/right/input/thumbrest/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
+
+	metadata->register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Haptic output", "/user/hand/left", "/user/hand/left/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
+	metadata->register_io_path("/interaction_profiles/htc/vive_focus3_controller", "Haptic output", "/user/hand/right", "/user/hand/right/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
+}

modules/openxr/extensions/openxr_htc_controller_extension.h

@@ -0,0 +1,55 @@
+/*************************************************************************/
+/*  openxr_htc_controller_extension.h                                    */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef OPENXR_HTC_CONTROLLER_EXTENSION_H
+#define OPENXR_HTC_CONTROLLER_EXTENSION_H
+
+#include "openxr_extension_wrapper.h"
+
+class OpenXRHTCControllerExtension : public OpenXRExtensionWrapper {
+public:
+	enum HTCControllers {
+		// Note, HTC Vive Wand controllers are part of the core spec and not part of our extension.
+		HTC_VIVE_COSMOS,
+		HTC_VIVE_FOCUS3,
+		HTC_MAX_CONTROLLERS
+	};
+
+	virtual HashMap<String, bool *> get_requested_extensions() override;
+
+	bool is_available(HTCControllers p_type);
+
+	virtual void on_register_metadata() override;
+
+private:
+	bool available[HTC_MAX_CONTROLLERS] = { false, false };
+};
+
+#endif // OPENXR_HTC_CONTROLLER_EXTENSION_H

modules/openxr/extensions/openxr_htc_vive_tracker_extension.cpp

@@ -29,29 +29,155 @@
 /*************************************************************************/
 
 #include "openxr_htc_vive_tracker_extension.h"
+#include "../action_map/openxr_interaction_profile_meta_data.h"
 #include "core/string/print_string.h"
 
-OpenXRHTCViveTrackerExtension *OpenXRHTCViveTrackerExtension::singleton = nullptr;
-
-OpenXRHTCViveTrackerExtension *OpenXRHTCViveTrackerExtension::get_singleton() {
-	return singleton;
-}
-
-OpenXRHTCViveTrackerExtension::OpenXRHTCViveTrackerExtension(OpenXRAPI *p_openxr_api) :
-		OpenXRExtensionWrapper(p_openxr_api) {
-	singleton = this;
+HashMap<String, bool *> OpenXRHTCViveTrackerExtension::get_requested_extensions() {
+	HashMap<String, bool *> request_extensions;
 
 	request_extensions[XR_HTCX_VIVE_TRACKER_INTERACTION_EXTENSION_NAME] = &available;
-}
 
-OpenXRHTCViveTrackerExtension::~OpenXRHTCViveTrackerExtension() {
-	singleton = nullptr;
+	return request_extensions;
 }
 
 bool OpenXRHTCViveTrackerExtension::is_available() {
 	return available;
 }
 
+void OpenXRHTCViveTrackerExtension::on_register_metadata() {
+	OpenXRInteractionProfileMetaData *metadata = OpenXRInteractionProfileMetaData::get_singleton();
+	ERR_FAIL_NULL(metadata);
+
+	// HTC Vive tracker
+	// Interestingly enough trackers don't have buttons or inputs, yet these are defined in the spec.
+	// I think this can be supported through attachments on the trackers.
+	metadata->register_interaction_profile("HTC Vive tracker", "/interaction_profiles/htc/vive_tracker_htcx", XR_HTCX_VIVE_TRACKER_INTERACTION_EXTENSION_NAME);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Menu click", "/user/vive_tracker_htcx/role/left_foot", "/user/vive_tracker_htcx/role/left_foot/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Menu click", "/user/vive_tracker_htcx/role/right_foot", "/user/vive_tracker_htcx/role/right_foot/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Menu click", "/user/vive_tracker_htcx/role/left_shoulder", "/user/vive_tracker_htcx/role/left_shoulder/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Menu click", "/user/vive_tracker_htcx/role/right_shoulder", "/user/vive_tracker_htcx/role/right_shoulder/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Menu click", "/user/vive_tracker_htcx/role/left_elbow", "/user/vive_tracker_htcx/role/left_elbow/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Menu click", "/user/vive_tracker_htcx/role/right_elbow", "/user/vive_tracker_htcx/role/right_elbow/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Menu click", "/user/vive_tracker_htcx/role/left_knee", "/user/vive_tracker_htcx/role/left_knee/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Menu click", "/user/vive_tracker_htcx/role/right_knee", "/user/vive_tracker_htcx/role/right_knee/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Menu click", "/user/vive_tracker_htcx/role/waist", "/user/vive_tracker_htcx/role/waist/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Menu click", "/user/vive_tracker_htcx/role/chest", "/user/vive_tracker_htcx/role/chest/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Menu click", "/user/vive_tracker_htcx/role/camera", "/user/vive_tracker_htcx/role/camera/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Menu click", "/user/vive_tracker_htcx/role/keyboard", "/user/vive_tracker_htcx/role/keyboard/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+
+	// metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger", "/user/vive_tracker_htcx/role/handheld_object", "/user/vive_tracker_htcx/role/handheld_object/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger", "/user/vive_tracker_htcx/role/left_foot", "/user/vive_tracker_htcx/role/left_foot/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger", "/user/vive_tracker_htcx/role/right_foot", "/user/vive_tracker_htcx/role/right_foot/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger", "/user/vive_tracker_htcx/role/left_shoulder", "/user/vive_tracker_htcx/role/left_shoulder/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger", "/user/vive_tracker_htcx/role/right_shoulder", "/user/vive_tracker_htcx/role/right_shoulder/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger", "/user/vive_tracker_htcx/role/left_elbow", "/user/vive_tracker_htcx/role/left_elbow/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger", "/user/vive_tracker_htcx/role/right_elbow", "/user/vive_tracker_htcx/role/right_elbow/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger", "/user/vive_tracker_htcx/role/left_knee", "/user/vive_tracker_htcx/role/left_knee/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger", "/user/vive_tracker_htcx/role/right_knee", "/user/vive_tracker_htcx/role/right_knee/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger", "/user/vive_tracker_htcx/role/waist", "/user/vive_tracker_htcx/role/waist/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger", "/user/vive_tracker_htcx/role/chest", "/user/vive_tracker_htcx/role/chest/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger", "/user/vive_tracker_htcx/role/camera", "/user/vive_tracker_htcx/role/camera/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger", "/user/vive_tracker_htcx/role/keyboard", "/user/vive_tracker_htcx/role/keyboard/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
+
+	// metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger click", "/user/vive_tracker_htcx/role/handheld_object", "/user/vive_tracker_htcx/role/handheld_object/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger click", "/user/vive_tracker_htcx/role/left_foot", "/user/vive_tracker_htcx/role/left_foot/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger click", "/user/vive_tracker_htcx/role/right_foot", "/user/vive_tracker_htcx/role/right_foot/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger click", "/user/vive_tracker_htcx/role/left_shoulder", "/user/vive_tracker_htcx/role/left_shoulder/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger click", "/user/vive_tracker_htcx/role/right_shoulder", "/user/vive_tracker_htcx/role/right_shoulder/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger click", "/user/vive_tracker_htcx/role/left_elbow", "/user/vive_tracker_htcx/role/left_elbow/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger click", "/user/vive_tracker_htcx/role/right_elbow", "/user/vive_tracker_htcx/role/right_elbow/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger click", "/user/vive_tracker_htcx/role/left_knee", "/user/vive_tracker_htcx/role/left_knee/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger click", "/user/vive_tracker_htcx/role/right_knee", "/user/vive_tracker_htcx/role/right_knee/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger click", "/user/vive_tracker_htcx/role/waist", "/user/vive_tracker_htcx/role/waist/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger click", "/user/vive_tracker_htcx/role/chest", "/user/vive_tracker_htcx/role/chest/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger click", "/user/vive_tracker_htcx/role/camera", "/user/vive_tracker_htcx/role/camera/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trigger click", "/user/vive_tracker_htcx/role/keyboard", "/user/vive_tracker_htcx/role/keyboard/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+
+	// metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Squeeze click", "/user/vive_tracker_htcx/role/handheld_object", "/user/vive_tracker_htcx/role/handheld_object/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Squeeze click", "/user/vive_tracker_htcx/role/left_foot", "/user/vive_tracker_htcx/role/left_foot/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Squeeze click", "/user/vive_tracker_htcx/role/right_foot", "/user/vive_tracker_htcx/role/right_foot/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Squeeze click", "/user/vive_tracker_htcx/role/left_shoulder", "/user/vive_tracker_htcx/role/left_shoulder/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Squeeze click", "/user/vive_tracker_htcx/role/right_shoulder", "/user/vive_tracker_htcx/role/right_shoulder/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Squeeze click", "/user/vive_tracker_htcx/role/left_elbow", "/user/vive_tracker_htcx/role/left_elbow/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Squeeze click", "/user/vive_tracker_htcx/role/right_elbow", "/user/vive_tracker_htcx/role/right_elbow/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Squeeze click", "/user/vive_tracker_htcx/role/left_knee", "/user/vive_tracker_htcx/role/left_knee/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Squeeze click", "/user/vive_tracker_htcx/role/right_knee", "/user/vive_tracker_htcx/role/right_knee/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Squeeze click", "/user/vive_tracker_htcx/role/waist", "/user/vive_tracker_htcx/role/waist/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Squeeze click", "/user/vive_tracker_htcx/role/chest", "/user/vive_tracker_htcx/role/chest/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Squeeze click", "/user/vive_tracker_htcx/role/camera", "/user/vive_tracker_htcx/role/camera/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Squeeze click", "/user/vive_tracker_htcx/role/keyboard", "/user/vive_tracker_htcx/role/keyboard/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+
+	// metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad", "/user/vive_tracker_htcx/role/handheld_object", "/user/vive_tracker_htcx/role/handheld_object/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad", "/user/vive_tracker_htcx/role/left_foot", "/user/vive_tracker_htcx/role/left_foot/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad", "/user/vive_tracker_htcx/role/right_foot", "/user/vive_tracker_htcx/role/right_foot/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad", "/user/vive_tracker_htcx/role/left_shoulder", "/user/vive_tracker_htcx/role/left_shoulder/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad", "/user/vive_tracker_htcx/role/right_shoulder", "/user/vive_tracker_htcx/role/right_shoulder/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad", "/user/vive_tracker_htcx/role/left_elbow", "/user/vive_tracker_htcx/role/left_elbow/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad", "/user/vive_tracker_htcx/role/right_elbow", "/user/vive_tracker_htcx/role/right_elbow/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad", "/user/vive_tracker_htcx/role/left_knee", "/user/vive_tracker_htcx/role/left_knee/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad", "/user/vive_tracker_htcx/role/right_knee", "/user/vive_tracker_htcx/role/right_knee/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad", "/user/vive_tracker_htcx/role/waist", "/user/vive_tracker_htcx/role/waist/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad", "/user/vive_tracker_htcx/role/chest", "/user/vive_tracker_htcx/role/chest/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad", "/user/vive_tracker_htcx/role/camera", "/user/vive_tracker_htcx/role/camera/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad", "/user/vive_tracker_htcx/role/keyboard", "/user/vive_tracker_htcx/role/keyboard/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
+
+	// metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad click", "/user/vive_tracker_htcx/role/handheld_object", "/user/vive_tracker_htcx/role/handheld_object/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad click", "/user/vive_tracker_htcx/role/left_foot", "/user/vive_tracker_htcx/role/left_foot/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad click", "/user/vive_tracker_htcx/role/right_foot", "/user/vive_tracker_htcx/role/right_foot/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad click", "/user/vive_tracker_htcx/role/left_shoulder", "/user/vive_tracker_htcx/role/left_shoulder/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad click", "/user/vive_tracker_htcx/role/right_shoulder", "/user/vive_tracker_htcx/role/right_shoulder/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad click", "/user/vive_tracker_htcx/role/left_elbow", "/user/vive_tracker_htcx/role/left_elbow/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad click", "/user/vive_tracker_htcx/role/right_elbow", "/user/vive_tracker_htcx/role/right_elbow/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad click", "/user/vive_tracker_htcx/role/left_knee", "/user/vive_tracker_htcx/role/left_knee/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad click", "/user/vive_tracker_htcx/role/right_knee", "/user/vive_tracker_htcx/role/right_knee/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad click", "/user/vive_tracker_htcx/role/waist", "/user/vive_tracker_htcx/role/waist/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad click", "/user/vive_tracker_htcx/role/chest", "/user/vive_tracker_htcx/role/chest/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad click", "/user/vive_tracker_htcx/role/camera", "/user/vive_tracker_htcx/role/camera/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad click", "/user/vive_tracker_htcx/role/keyboard", "/user/vive_tracker_htcx/role/keyboard/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+
+	// metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad touch", "/user/vive_tracker_htcx/role/handheld_object", "/user/vive_tracker_htcx/role/handheld_object/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad touch", "/user/vive_tracker_htcx/role/left_foot", "/user/vive_tracker_htcx/role/left_foot/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad touch", "/user/vive_tracker_htcx/role/right_foot", "/user/vive_tracker_htcx/role/right_foot/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad touch", "/user/vive_tracker_htcx/role/left_shoulder", "/user/vive_tracker_htcx/role/left_shoulder/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad touch", "/user/vive_tracker_htcx/role/right_shoulder", "/user/vive_tracker_htcx/role/right_shoulder/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad touch", "/user/vive_tracker_htcx/role/left_elbow", "/user/vive_tracker_htcx/role/left_elbow/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad touch", "/user/vive_tracker_htcx/role/right_elbow", "/user/vive_tracker_htcx/role/right_elbow/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad touch", "/user/vive_tracker_htcx/role/left_knee", "/user/vive_tracker_htcx/role/left_knee/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad touch", "/user/vive_tracker_htcx/role/right_knee", "/user/vive_tracker_htcx/role/right_knee/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad touch", "/user/vive_tracker_htcx/role/waist", "/user/vive_tracker_htcx/role/waist/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad touch", "/user/vive_tracker_htcx/role/chest", "/user/vive_tracker_htcx/role/chest/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad touch", "/user/vive_tracker_htcx/role/camera", "/user/vive_tracker_htcx/role/camera/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Trackpad touch", "/user/vive_tracker_htcx/role/keyboard", "/user/vive_tracker_htcx/role/keyboard/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
+
+	// register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Grip pose", "/user/vive_tracker_htcx/role/handheld_object", "/user/vive_tracker_htcx/role/handheld_object/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Grip pose", "/user/vive_tracker_htcx/role/left_foot", "/user/vive_tracker_htcx/role/left_foot/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Grip pose", "/user/vive_tracker_htcx/role/right_foot", "/user/vive_tracker_htcx/role/right_foot/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Grip pose", "/user/vive_tracker_htcx/role/left_shoulder", "/user/vive_tracker_htcx/role/left_shoulder/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Grip pose", "/user/vive_tracker_htcx/role/right_shoulder", "/user/vive_tracker_htcx/role/right_shoulder/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Grip pose", "/user/vive_tracker_htcx/role/left_elbow", "/user/vive_tracker_htcx/role/left_elbow/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Grip pose", "/user/vive_tracker_htcx/role/right_elbow", "/user/vive_tracker_htcx/role/right_elbow/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Grip pose", "/user/vive_tracker_htcx/role/left_knee", "/user/vive_tracker_htcx/role/left_knee/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Grip pose", "/user/vive_tracker_htcx/role/right_knee", "/user/vive_tracker_htcx/role/right_knee/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Grip pose", "/user/vive_tracker_htcx/role/waist", "/user/vive_tracker_htcx/role/waist/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Grip pose", "/user/vive_tracker_htcx/role/chest", "/user/vive_tracker_htcx/role/chest/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Grip pose", "/user/vive_tracker_htcx/role/camera", "/user/vive_tracker_htcx/role/camera/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Grip pose", "/user/vive_tracker_htcx/role/keyboard", "/user/vive_tracker_htcx/role/keyboard/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+
+	// metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Haptic output", "/user/vive_tracker_htcx/role/handheld_object", "/user/vive_tracker_htcx/role/handheld_object/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Haptic output", "/user/vive_tracker_htcx/role/left_foot", "/user/vive_tracker_htcx/role/left_foot/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Haptic output", "/user/vive_tracker_htcx/role/right_foot", "/user/vive_tracker_htcx/role/right_foot/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Haptic output", "/user/vive_tracker_htcx/role/left_shoulder", "/user/vive_tracker_htcx/role/left_shoulder/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Haptic output", "/user/vive_tracker_htcx/role/right_shoulder", "/user/vive_tracker_htcx/role/right_shoulder/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Haptic output", "/user/vive_tracker_htcx/role/left_elbow", "/user/vive_tracker_htcx/role/left_elbow/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Haptic output", "/user/vive_tracker_htcx/role/right_elbow", "/user/vive_tracker_htcx/role/right_elbow/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Haptic output", "/user/vive_tracker_htcx/role/left_knee", "/user/vive_tracker_htcx/role/left_knee/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Haptic output", "/user/vive_tracker_htcx/role/right_knee", "/user/vive_tracker_htcx/role/right_knee/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Haptic output", "/user/vive_tracker_htcx/role/waist", "/user/vive_tracker_htcx/role/waist/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Haptic output", "/user/vive_tracker_htcx/role/chest", "/user/vive_tracker_htcx/role/chest/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Haptic output", "/user/vive_tracker_htcx/role/camera", "/user/vive_tracker_htcx/role/camera/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
+	metadata->register_io_path("/interaction_profiles/htc/vive_tracker_htcx", "Haptic output", "/user/vive_tracker_htcx/role/keyboard", "/user/vive_tracker_htcx/role/keyboard/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
+}
+
 bool OpenXRHTCViveTrackerExtension::on_event_polled(const XrEventDataBuffer &event) {
 	switch (event.type) {
 		case XR_TYPE_EVENT_DATA_VIVE_TRACKER_CONNECTED_HTCX: {

modules/openxr/extensions/openxr_htc_vive_tracker_extension.h

@@ -35,18 +35,14 @@
 
 class OpenXRHTCViveTrackerExtension : public OpenXRExtensionWrapper {
 public:
-	static OpenXRHTCViveTrackerExtension *get_singleton();
-
-	OpenXRHTCViveTrackerExtension(OpenXRAPI *p_openxr_api);
-	virtual ~OpenXRHTCViveTrackerExtension() override;
+	virtual HashMap<String, bool *> get_requested_extensions() override;
 
 	bool is_available();
 
+	virtual void on_register_metadata() override;
 	virtual bool on_event_polled(const XrEventDataBuffer &event) override;
 
 private:
-	static OpenXRHTCViveTrackerExtension *singleton;
-
 	bool available = false;
 };
 

modules/openxr/extensions/openxr_huawei_controller_extension.cpp

@@ -0,0 +1,83 @@
+/*************************************************************************/
+/*  openxr_huawei_controller_extension.cpp                               */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "openxr_huawei_controller_extension.h"
+#include "../action_map/openxr_interaction_profile_meta_data.h"
+
+HashMap<String, bool *> OpenXRHuaweiControllerExtension::get_requested_extensions() {
+	HashMap<String, bool *> request_extensions;
+
+	request_extensions[XR_HUAWEI_CONTROLLER_INTERACTION_EXTENSION_NAME] = &available;
+
+	return request_extensions;
+}
+
+bool OpenXRHuaweiControllerExtension::is_available() {
+	return available;
+}
+
+void OpenXRHuaweiControllerExtension::on_register_metadata() {
+	OpenXRInteractionProfileMetaData *metadata = OpenXRInteractionProfileMetaData::get_singleton();
+	ERR_FAIL_NULL(metadata);
+
+	// Huawei controller
+	metadata->register_interaction_profile("Huawei controller", "/interaction_profiles/huawei/controller", XR_HUAWEI_CONTROLLER_INTERACTION_EXTENSION_NAME);
+	metadata->register_io_path("/interaction_profiles/huawei/controller", "Grip pose", "/user/hand/left", "/user/hand/left/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/huawei/controller", "Grip pose", "/user/hand/right", "/user/hand/right/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/huawei/controller", "Aim pose", "/user/hand/left", "/user/hand/left/input/aim/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/huawei/controller", "Aim pose", "/user/hand/right", "/user/hand/right/input/aim/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/huawei/controller", "Palm pose", "/user/hand/left", "/user/hand/left/input/palm_ext/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/huawei/controller", "Palm pose", "/user/hand/right", "/user/hand/right/input/palm_ext/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+
+	metadata->register_io_path("/interaction_profiles/huawei/controller", "Home click", "/user/hand/left", "/user/hand/left/input/home/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/huawei/controller", "Home click", "/user/hand/right", "/user/hand/right/input/home/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/huawei/controller", "Back click", "/user/hand/left", "/user/hand/left/input/back/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/huawei/controller", "Back click", "/user/hand/right", "/user/hand/right/input/back/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+
+	metadata->register_io_path("/interaction_profiles/huawei/controller", "Volume up click", "/user/hand/left", "/user/hand/left/input/volume_up/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/huawei/controller", "Volume up click", "/user/hand/right", "/user/hand/right/input/volume_up/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/huawei/controller", "Volume down click", "/user/hand/left", "/user/hand/left/input/volume_down/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/huawei/controller", "Volume down click", "/user/hand/right", "/user/hand/right/input/volume_down/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+
+	metadata->register_io_path("/interaction_profiles/huawei/controller", "Trigger", "/user/hand/left", "/user/hand/left/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
+	metadata->register_io_path("/interaction_profiles/huawei/controller", "Trigger click", "/user/hand/left", "/user/hand/left/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/huawei/controller", "Trigger", "/user/hand/right", "/user/hand/right/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
+	metadata->register_io_path("/interaction_profiles/huawei/controller", "Trigger click", "/user/hand/right", "/user/hand/right/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+
+	metadata->register_io_path("/interaction_profiles/huawei/controller", "Trackpad", "/user/hand/left", "/user/hand/left/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
+	metadata->register_io_path("/interaction_profiles/huawei/controller", "Trackpad click", "/user/hand/left", "/user/hand/left/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/huawei/controller", "Trackpad touch", "/user/hand/left", "/user/hand/left/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/huawei/controller", "Trackpad", "/user/hand/right", "/user/hand/right/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
+	metadata->register_io_path("/interaction_profiles/huawei/controller", "Trackpad click", "/user/hand/right", "/user/hand/right/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/huawei/controller", "Trackpad touch", "/user/hand/right", "/user/hand/right/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
+
+	metadata->register_io_path("/interaction_profiles/huawei/controller", "Haptic output", "/user/hand/left", "/user/hand/left/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
+	metadata->register_io_path("/interaction_profiles/huawei/controller", "Haptic output", "/user/hand/right", "/user/hand/right/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
+}

modules/openxr/extensions/openxr_huawei_controller_extension.h

@@ -0,0 +1,48 @@
+/*************************************************************************/
+/*  openxr_huawei_controller_extension.h                                 */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef OPENXR_HUAWEI_CONTROLLER_EXTENSION_H
+#define OPENXR_HUAWEI_CONTROLLER_EXTENSION_H
+
+#include "openxr_extension_wrapper.h"
+
+class OpenXRHuaweiControllerExtension : public OpenXRExtensionWrapper {
+public:
+	virtual HashMap<String, bool *> get_requested_extensions() override;
+
+	bool is_available();
+
+	virtual void on_register_metadata() override;
+
+private:
+	bool available = false;
+};
+
+#endif // OPENXR_HUAWEI_CONTROLLER_EXTENSION_H

modules/openxr/extensions/openxr_opengl_extension.cpp

@@ -37,24 +37,21 @@
 #include "servers/rendering/rendering_server_globals.h"
 #include "servers/rendering_server.h"
 
-OpenXROpenGLExtension::OpenXROpenGLExtension(OpenXRAPI *p_openxr_api) :
-		OpenXRGraphicsExtensionWrapper(p_openxr_api) {
+HashMap<String, bool *> OpenXROpenGLExtension::get_requested_extensions() {
+	HashMap<String, bool *> request_extensions;
+
 #ifdef ANDROID_ENABLED
 	request_extensions[XR_KHR_OPENGL_ES_ENABLE_EXTENSION_NAME] = nullptr;
 #else
 	request_extensions[XR_KHR_OPENGL_ENABLE_EXTENSION_NAME] = nullptr;
 #endif
 
-	ERR_FAIL_NULL(openxr_api);
-}
-
-OpenXROpenGLExtension::~OpenXROpenGLExtension() {
+	return request_extensions;
 }
 
 void OpenXROpenGLExtension::on_instance_created(const XrInstance p_instance) {
-	ERR_FAIL_NULL(openxr_api);
-
 	// Obtain pointers to functions we're accessing here.
+	ERR_FAIL_NULL(OpenXRAPI::get_singleton());
 
 #ifdef ANDROID_ENABLED
 	EXT_INIT_XR_FUNC(xrGetOpenGLESGraphicsRequirementsKHR);
@@ -65,10 +62,10 @@ void OpenXROpenGLExtension::on_instance_created(const XrInstance p_instance) {
 }
 
 bool OpenXROpenGLExtension::check_graphics_api_support(XrVersion p_desired_version) {
-	ERR_FAIL_NULL_V(openxr_api, false);
+	ERR_FAIL_NULL_V(OpenXRAPI::get_singleton(), false);
 
-	XrSystemId system_id = openxr_api->get_system_id();
-	XrInstance instance = openxr_api->get_instance();
+	XrSystemId system_id = OpenXRAPI::get_singleton()->get_system_id();
+	XrInstance instance = OpenXRAPI::get_singleton()->get_instance();
 
 #ifdef ANDROID_ENABLED
 	XrGraphicsRequirementsOpenGLESKHR opengl_requirements;
@@ -76,7 +73,7 @@ bool OpenXROpenGLExtension::check_graphics_api_support(XrVersion p_desired_versi
 	opengl_requirements.next = nullptr;
 
 	XrResult result = xrGetOpenGLESGraphicsRequirementsKHR(instance, system_id, &opengl_requirements);
-	if (!openxr_api->xr_result(result, "Failed to get OpenGL graphics requirements!")) {
+	if (!OpenXRAPI::get_singleton()->xr_result(result, "Failed to get OpenGL graphics requirements!")) {
 		return false;
 	}
 #else
@@ -85,7 +82,7 @@ bool OpenXROpenGLExtension::check_graphics_api_support(XrVersion p_desired_versi
 	opengl_requirements.next = nullptr;
 
 	XrResult result = xrGetOpenGLGraphicsRequirementsKHR(instance, system_id, &opengl_requirements);
-	if (!openxr_api->xr_result(result, "Failed to get OpenGL graphics requirements!")) {
+	if (!OpenXRAPI::get_singleton()->xr_result(result, "Failed to get OpenGL graphics requirements!")) {
 		return false;
 	}
 #endif
@@ -177,7 +174,7 @@ bool OpenXROpenGLExtension::get_swapchain_image_data(XrSwapchain p_swapchain, in
 	uint32_t swapchain_length;
 	XrResult result = xrEnumerateSwapchainImages(p_swapchain, 0, &swapchain_length, nullptr);
 	if (XR_FAILED(result)) {
-		print_line("OpenXR: Failed to get swapchaim image count [", openxr_api->get_error_string(result), "]");
+		print_line("OpenXR: Failed to get swapchaim image count [", OpenXRAPI::get_singleton()->get_error_string(result), "]");
 		return false;
 	}
 
@@ -200,7 +197,7 @@ bool OpenXROpenGLExtension::get_swapchain_image_data(XrSwapchain p_swapchain, in
 
 	result = xrEnumerateSwapchainImages(p_swapchain, swapchain_length, &swapchain_length, (XrSwapchainImageBaseHeader *)images);
 	if (XR_FAILED(result)) {
-		print_line("OpenXR: Failed to get swapchaim images [", openxr_api->get_error_string(result), "]");
+		print_line("OpenXR: Failed to get swapchaim images [", OpenXRAPI::get_singleton()->get_error_string(result), "]");
 		memfree(images);
 		return false;
 	}

modules/openxr/extensions/openxr_opengl_extension.h

@@ -74,8 +74,7 @@
 
 class OpenXROpenGLExtension : public OpenXRGraphicsExtensionWrapper {
 public:
-	OpenXROpenGLExtension(OpenXRAPI *p_openxr_api);
-	virtual ~OpenXROpenGLExtension() override;
+	virtual HashMap<String, bool *> get_requested_extensions() override;
 
 	virtual void on_instance_created(const XrInstance p_instance) override;
 	virtual void *set_session_create_and_get_next_pointer(void *p_next_pointer) override;

modules/openxr/extensions/openxr_palm_pose_extension.cpp

@@ -37,17 +37,22 @@ OpenXRPalmPoseExtension *OpenXRPalmPoseExtension::get_singleton() {
 	return singleton;
 }
 
-OpenXRPalmPoseExtension::OpenXRPalmPoseExtension(OpenXRAPI *p_openxr_api) :
-		OpenXRExtensionWrapper(p_openxr_api) {
+OpenXRPalmPoseExtension::OpenXRPalmPoseExtension() {
 	singleton = this;
-
-	request_extensions[XR_EXT_PALM_POSE_EXTENSION_NAME] = &available;
 }
 
 OpenXRPalmPoseExtension::~OpenXRPalmPoseExtension() {
 	singleton = nullptr;
 }
 
+HashMap<String, bool *> OpenXRPalmPoseExtension::get_requested_extensions() {
+	HashMap<String, bool *> request_extensions;
+
+	request_extensions[XR_EXT_PALM_POSE_EXTENSION_NAME] = &available;
+
+	return request_extensions;
+}
+
 bool OpenXRPalmPoseExtension::is_available() {
 	return available;
 }

modules/openxr/extensions/openxr_palm_pose_extension.h

@@ -37,9 +37,11 @@ class OpenXRPalmPoseExtension : public OpenXRExtensionWrapper {
 public:
 	static OpenXRPalmPoseExtension *get_singleton();
 
-	OpenXRPalmPoseExtension(OpenXRAPI *p_openxr_api);
+	OpenXRPalmPoseExtension();
 	virtual ~OpenXRPalmPoseExtension() override;
 
+	virtual HashMap<String, bool *> get_requested_extensions() override;
+
 	bool is_available();
 
 private:

modules/openxr/extensions/openxr_vulkan_extension.cpp

@@ -37,21 +37,24 @@
 #include "servers/rendering/rendering_server_globals.h"
 #include "servers/rendering_server.h"
 
-OpenXRVulkanExtension::OpenXRVulkanExtension(OpenXRAPI *p_openxr_api) :
-		OpenXRGraphicsExtensionWrapper(p_openxr_api) {
+OpenXRVulkanExtension::OpenXRVulkanExtension() {
 	VulkanContext::set_vulkan_hooks(this);
-
-	request_extensions[XR_KHR_VULKAN_ENABLE2_EXTENSION_NAME] = nullptr; // must be available
-
-	ERR_FAIL_NULL(openxr_api);
 }
 
 OpenXRVulkanExtension::~OpenXRVulkanExtension() {
 	VulkanContext::set_vulkan_hooks(nullptr);
 }
 
+HashMap<String, bool *> OpenXRVulkanExtension::get_requested_extensions() {
+	HashMap<String, bool *> request_extensions;
+
+	request_extensions[XR_KHR_VULKAN_ENABLE2_EXTENSION_NAME] = nullptr; // must be available
+
+	return request_extensions;
+}
+
 void OpenXRVulkanExtension::on_instance_created(const XrInstance p_instance) {
-	ERR_FAIL_NULL(openxr_api);
+	ERR_FAIL_NULL(OpenXRAPI::get_singleton());
 
 	// Obtain pointers to functions we're accessing here, they are (not yet) part of core.
 
@@ -63,7 +66,7 @@ void OpenXRVulkanExtension::on_instance_created(const XrInstance p_instance) {
 }
 
 bool OpenXRVulkanExtension::check_graphics_api_support(XrVersion p_desired_version) {
-	ERR_FAIL_NULL_V(openxr_api, false);
+	ERR_FAIL_NULL_V(OpenXRAPI::get_singleton(), false);
 
 	XrGraphicsRequirementsVulkan2KHR vulkan_requirements = {
 		XR_TYPE_GRAPHICS_REQUIREMENTS_VULKAN2_KHR, // type
@@ -72,9 +75,9 @@ bool OpenXRVulkanExtension::check_graphics_api_support(XrVersion p_desired_versi
 		0 // maxApiVersionSupported
 	};
 
-	XrResult result = xrGetVulkanGraphicsRequirements2KHR(openxr_api->get_instance(), openxr_api->get_system_id(), &vulkan_requirements);
+	XrResult result = xrGetVulkanGraphicsRequirements2KHR(OpenXRAPI::get_singleton()->get_instance(), OpenXRAPI::get_singleton()->get_system_id(), &vulkan_requirements);
 	if (XR_FAILED(result)) {
-		print_line("OpenXR: Failed to get vulkan graphics requirements [", openxr_api->get_error_string(result), "]");
+		print_line("OpenXR: Failed to get vulkan graphics requirements [", OpenXRAPI::get_singleton()->get_error_string(result), "]");
 		return false;
 	}
 
@@ -118,7 +121,7 @@ bool OpenXRVulkanExtension::create_vulkan_instance(const VkInstanceCreateInfo *p
 	XrVulkanInstanceCreateInfoKHR xr_vulkan_instance_info = {
 		XR_TYPE_VULKAN_INSTANCE_CREATE_INFO_KHR, // type
 		nullptr, // next
-		openxr_api->get_system_id(), // systemId
+		OpenXRAPI::get_singleton()->get_system_id(), // systemId
 		0, // createFlags
 		vkGetInstanceProcAddr, // pfnGetInstanceProcAddr
 		p_vulkan_create_info, // vulkanCreateInfo
@@ -126,9 +129,9 @@ bool OpenXRVulkanExtension::create_vulkan_instance(const VkInstanceCreateInfo *p
 	};
 
 	VkResult vk_result = VK_SUCCESS;
-	XrResult result = xrCreateVulkanInstanceKHR(openxr_api->get_instance(), &xr_vulkan_instance_info, &vulkan_instance, &vk_result);
+	XrResult result = xrCreateVulkanInstanceKHR(OpenXRAPI::get_singleton()->get_instance(), &xr_vulkan_instance_info, &vulkan_instance, &vk_result);
 	if (XR_FAILED(result)) {
-		print_line("OpenXR: Failed to create vulkan instance [", openxr_api->get_error_string(result), "]");
+		print_line("OpenXR: Failed to create vulkan instance [", OpenXRAPI::get_singleton()->get_error_string(result), "]");
 		return false;
 	}
 
@@ -151,18 +154,18 @@ bool OpenXRVulkanExtension::create_vulkan_instance(const VkInstanceCreateInfo *p
 }
 
 bool OpenXRVulkanExtension::get_physical_device(VkPhysicalDevice *r_device) {
-	ERR_FAIL_NULL_V(openxr_api, false);
+	ERR_FAIL_NULL_V(OpenXRAPI::get_singleton(), false);
 
 	XrVulkanGraphicsDeviceGetInfoKHR get_info = {
 		XR_TYPE_VULKAN_GRAPHICS_DEVICE_GET_INFO_KHR, // type
 		nullptr, // next
-		openxr_api->get_system_id(), // systemId
+		OpenXRAPI::get_singleton()->get_system_id(), // systemId
 		vulkan_instance, // vulkanInstance
 	};
 
-	XrResult result = xrGetVulkanGraphicsDevice2KHR(openxr_api->get_instance(), &get_info, &vulkan_physical_device);
+	XrResult result = xrGetVulkanGraphicsDevice2KHR(OpenXRAPI::get_singleton()->get_instance(), &get_info, &vulkan_physical_device);
 	if (XR_FAILED(result)) {
-		print_line("OpenXR: Failed to obtain vulkan physical device [", openxr_api->get_error_string(result), "]");
+		print_line("OpenXR: Failed to obtain vulkan physical device [", OpenXRAPI::get_singleton()->get_error_string(result), "]");
 		return false;
 	}
 
@@ -172,7 +175,7 @@ bool OpenXRVulkanExtension::get_physical_device(VkPhysicalDevice *r_device) {
 }
 
 bool OpenXRVulkanExtension::create_vulkan_device(const VkDeviceCreateInfo *p_device_create_info, VkDevice *r_device) {
-	ERR_FAIL_NULL_V(openxr_api, false);
+	ERR_FAIL_NULL_V(OpenXRAPI::get_singleton(), false);
 
 	// the first entry in our queue list should be the one we need to remember...
 	vulkan_queue_family_index = p_device_create_info->pQueueCreateInfos[0].queueFamilyIndex;
@@ -181,7 +184,7 @@ bool OpenXRVulkanExtension::create_vulkan_device(const VkDeviceCreateInfo *p_dev
 	XrVulkanDeviceCreateInfoKHR create_info = {
 		XR_TYPE_VULKAN_DEVICE_CREATE_INFO_KHR, // type
 		nullptr, // next
-		openxr_api->get_system_id(), // systemId
+		OpenXRAPI::get_singleton()->get_system_id(), // systemId
 		0, // createFlags
 		vkGetInstanceProcAddr, // pfnGetInstanceProcAddr
 		vulkan_physical_device, // vulkanPhysicalDevice
@@ -190,9 +193,9 @@ bool OpenXRVulkanExtension::create_vulkan_device(const VkDeviceCreateInfo *p_dev
 	};
 
 	VkResult vk_result = VK_SUCCESS;
-	XrResult result = xrCreateVulkanDeviceKHR(openxr_api->get_instance(), &create_info, &vulkan_device, &vk_result);
+	XrResult result = xrCreateVulkanDeviceKHR(OpenXRAPI::get_singleton()->get_instance(), &create_info, &vulkan_device, &vk_result);
 	if (XR_FAILED(result)) {
-		print_line("OpenXR: Failed to create vulkan device [", openxr_api->get_error_string(result), "]");
+		print_line("OpenXR: Failed to create vulkan device [", OpenXRAPI::get_singleton()->get_error_string(result), "]");
 		return false;
 	}
 
@@ -245,7 +248,7 @@ bool OpenXRVulkanExtension::get_swapchain_image_data(XrSwapchain p_swapchain, in
 	uint32_t swapchain_length;
 	XrResult result = xrEnumerateSwapchainImages(p_swapchain, 0, &swapchain_length, nullptr);
 	if (XR_FAILED(result)) {
-		print_line("OpenXR: Failed to get swapchaim image count [", openxr_api->get_error_string(result), "]");
+		print_line("OpenXR: Failed to get swapchaim image count [", OpenXRAPI::get_singleton()->get_error_string(result), "]");
 		return false;
 	}
 
@@ -260,7 +263,7 @@ bool OpenXRVulkanExtension::get_swapchain_image_data(XrSwapchain p_swapchain, in
 
 	result = xrEnumerateSwapchainImages(p_swapchain, swapchain_length, &swapchain_length, (XrSwapchainImageBaseHeader *)images);
 	if (XR_FAILED(result)) {
-		print_line("OpenXR: Failed to get swapchaim images [", openxr_api->get_error_string(result), "]");
+		print_line("OpenXR: Failed to get swapchaim images [", OpenXRAPI::get_singleton()->get_error_string(result), "]");
 		memfree(images);
 		return false;
 	}

modules/openxr/extensions/openxr_vulkan_extension.h

@@ -58,9 +58,11 @@
 
 class OpenXRVulkanExtension : public OpenXRGraphicsExtensionWrapper, VulkanHooks {
 public:
-	OpenXRVulkanExtension(OpenXRAPI *p_openxr_api);
+	OpenXRVulkanExtension();
 	virtual ~OpenXRVulkanExtension() override;
 
+	virtual HashMap<String, bool *> get_requested_extensions() override;
+
 	virtual void on_instance_created(const XrInstance p_instance) override;
 	virtual void *set_session_create_and_get_next_pointer(void *p_next_pointer) override;
 

modules/openxr/extensions/openxr_wmr_controller_extension.cpp

@@ -0,0 +1,119 @@
+/*************************************************************************/
+/*  openxr_wmr_controller_extension.cpp                                  */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "openxr_wmr_controller_extension.h"
+#include "../action_map/openxr_interaction_profile_meta_data.h"
+
+HashMap<String, bool *> OpenXRWMRControllerExtension::get_requested_extensions() {
+	HashMap<String, bool *> request_extensions;
+
+	// Note HP G2 is available on WMR and SteamVR, but Odessey is only available on WMR
+	request_extensions[XR_EXT_HP_MIXED_REALITY_CONTROLLER_EXTENSION_NAME] = &available[WMR_HPMR];
+	request_extensions[XR_EXT_SAMSUNG_ODYSSEY_CONTROLLER_EXTENSION_NAME] = &available[WMR_SAMSUNG_ODESSY];
+
+	return request_extensions;
+}
+
+bool OpenXRWMRControllerExtension::is_available(WMRControllers p_type) {
+	return available[p_type];
+}
+
+void OpenXRWMRControllerExtension::on_register_metadata() {
+	OpenXRInteractionProfileMetaData *metadata = OpenXRInteractionProfileMetaData::get_singleton();
+	ERR_FAIL_NULL(metadata);
+
+	// HP MR controller (newer G2 controllers)
+	metadata->register_interaction_profile("HPMR controller", "/interaction_profiles/hp/mixed_reality_controller", XR_EXT_HP_MIXED_REALITY_CONTROLLER_EXTENSION_NAME);
+	metadata->register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Grip pose", "/user/hand/left", "/user/hand/left/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Grip pose", "/user/hand/right", "/user/hand/right/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Aim pose", "/user/hand/left", "/user/hand/left/input/aim/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Aim pose", "/user/hand/right", "/user/hand/right/input/aim/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Palm pose", "/user/hand/left", "/user/hand/left/input/palm_ext/pose", XR_EXT_PALM_POSE_EXTENSION_NAME, OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Palm pose", "/user/hand/right", "/user/hand/right/input/palm_ext/pose", XR_EXT_PALM_POSE_EXTENSION_NAME, OpenXRAction::OPENXR_ACTION_POSE);
+
+	metadata->register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Menu click", "/user/hand/left", "/user/hand/left/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Menu click", "/user/hand/right", "/user/hand/right/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+
+	metadata->register_io_path("/interaction_profiles/hp/mixed_reality_controller", "X click", "/user/hand/left", "/user/hand/left/input/x/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Y click", "/user/hand/left", "/user/hand/left/input/y/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/hp/mixed_reality_controller", "A click", "/user/hand/right", "/user/hand/right/input/a/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/hp/mixed_reality_controller", "B click", "/user/hand/right", "/user/hand/right/input/b/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+
+	metadata->register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Trigger", "/user/hand/left", "/user/hand/left/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
+	metadata->register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Trigger click", "/user/hand/left", "/user/hand/left/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Trigger", "/user/hand/right", "/user/hand/right/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
+	metadata->register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Trigger click", "/user/hand/right", "/user/hand/right/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+
+	metadata->register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Squeeze", "/user/hand/left", "/user/hand/left/input/squeeze/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
+	metadata->register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Squeeze", "/user/hand/right", "/user/hand/right/input/squeeze/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
+
+	metadata->register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Thumbstick", "/user/hand/left", "/user/hand/left/input/thumbstick", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
+	metadata->register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Thumbstick click", "/user/hand/left", "/user/hand/left/input/thumbstick/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Thumbstick", "/user/hand/right", "/user/hand/right/input/thumbstick", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
+	metadata->register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Thumbstick click", "/user/hand/right", "/user/hand/right/input/thumbstick/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+
+	metadata->register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Haptic output", "/user/hand/left", "/user/hand/left/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
+	metadata->register_io_path("/interaction_profiles/hp/mixed_reality_controller", "Haptic output", "/user/hand/right", "/user/hand/right/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
+
+	// Samsung Odyssey controller
+	metadata->register_interaction_profile("Samsung Odyssey controller", "/interaction_profiles/samsung/odyssey_controller", XR_EXT_SAMSUNG_ODYSSEY_CONTROLLER_EXTENSION_NAME);
+	metadata->register_io_path("/interaction_profiles/samsung/odyssey_controller", "Grip pose", "/user/hand/left", "/user/hand/left/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/samsung/odyssey_controller", "Grip pose", "/user/hand/right", "/user/hand/right/input/grip/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/samsung/odyssey_controller", "Aim pose", "/user/hand/left", "/user/hand/left/input/aim/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/samsung/odyssey_controller", "Aim pose", "/user/hand/right", "/user/hand/right/input/aim/pose", "", OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/samsung/odyssey_controller", "Palm pose", "/user/hand/left", "/user/hand/left/input/palm_ext/pose", XR_EXT_PALM_POSE_EXTENSION_NAME, OpenXRAction::OPENXR_ACTION_POSE);
+	metadata->register_io_path("/interaction_profiles/samsung/odyssey_controller", "Palm pose", "/user/hand/right", "/user/hand/right/input/palm_ext/pose", XR_EXT_PALM_POSE_EXTENSION_NAME, OpenXRAction::OPENXR_ACTION_POSE);
+
+	metadata->register_io_path("/interaction_profiles/samsung/odyssey_controller", "Menu click", "/user/hand/left", "/user/hand/left/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/samsung/odyssey_controller", "Menu click", "/user/hand/right", "/user/hand/right/input/menu/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+
+	metadata->register_io_path("/interaction_profiles/samsung/odyssey_controller", "Trigger", "/user/hand/left", "/user/hand/left/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
+	metadata->register_io_path("/interaction_profiles/samsung/odyssey_controller", "Trigger click", "/user/hand/left", "/user/hand/left/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/samsung/odyssey_controller", "Trigger", "/user/hand/right", "/user/hand/right/input/trigger/value", "", OpenXRAction::OPENXR_ACTION_FLOAT);
+	metadata->register_io_path("/interaction_profiles/samsung/odyssey_controller", "Trigger click", "/user/hand/right", "/user/hand/right/input/trigger/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+
+	metadata->register_io_path("/interaction_profiles/samsung/odyssey_controller", "Squeeze click", "/user/hand/left", "/user/hand/left/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/samsung/odyssey_controller", "Squeeze click", "/user/hand/right", "/user/hand/right/input/squeeze/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+
+	metadata->register_io_path("/interaction_profiles/samsung/odyssey_controller", "Thumbstick", "/user/hand/left", "/user/hand/left/input/thumbstick", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
+	metadata->register_io_path("/interaction_profiles/samsung/odyssey_controller", "Thumbstick click", "/user/hand/left", "/user/hand/left/input/thumbstick/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/samsung/odyssey_controller", "Thumbstick", "/user/hand/right", "/user/hand/right/input/thumbstick", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
+	metadata->register_io_path("/interaction_profiles/samsung/odyssey_controller", "Thumbstick click", "/user/hand/right", "/user/hand/right/input/thumbstick/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+
+	metadata->register_io_path("/interaction_profiles/samsung/odyssey_controller", "Trackpad", "/user/hand/left", "/user/hand/left/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
+	metadata->register_io_path("/interaction_profiles/samsung/odyssey_controller", "Trackpad click", "/user/hand/left", "/user/hand/left/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/samsung/odyssey_controller", "Trackpad touch", "/user/hand/left", "/user/hand/left/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/samsung/odyssey_controller", "Trackpad", "/user/hand/right", "/user/hand/right/input/trackpad", "", OpenXRAction::OPENXR_ACTION_VECTOR2);
+	metadata->register_io_path("/interaction_profiles/samsung/odyssey_controller", "Trackpad click", "/user/hand/right", "/user/hand/right/input/trackpad/click", "", OpenXRAction::OPENXR_ACTION_BOOL);
+	metadata->register_io_path("/interaction_profiles/samsung/odyssey_controller", "Trackpad touch", "/user/hand/right", "/user/hand/right/input/trackpad/touch", "", OpenXRAction::OPENXR_ACTION_BOOL);
+
+	metadata->register_io_path("/interaction_profiles/samsung/odyssey_controller", "Haptic output", "/user/hand/left", "/user/hand/left/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
+	metadata->register_io_path("/interaction_profiles/samsung/odyssey_controller", "Haptic output", "/user/hand/right", "/user/hand/right/output/haptic", "", OpenXRAction::OPENXR_ACTION_HAPTIC);
+}

modules/openxr/extensions/openxr_wmr_controller_extension.h

@@ -0,0 +1,54 @@
+/*************************************************************************/
+/*  openxr_wmr_controller_extension.h                                    */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef OPENXR_WMR_CONTROLLER_EXTENSION_H
+#define OPENXR_WMR_CONTROLLER_EXTENSION_H
+
+#include "openxr_extension_wrapper.h"
+
+class OpenXRWMRControllerExtension : public OpenXRExtensionWrapper {
+public:
+	enum WMRControllers {
+		WMR_HPMR,
+		WMR_SAMSUNG_ODESSY,
+		WMR_MAX_CONTROLLERS
+	};
+
+	virtual HashMap<String, bool *> get_requested_extensions() override;
+
+	bool is_available(WMRControllers p_type);
+
+	virtual void on_register_metadata() override;
+
+private:
+	bool available[WMR_MAX_CONTROLLERS] = { false, false };
+};
+
+#endif // OPENXR_WMR_CONTROLLER_EXTENSION_H

modules/openxr/openxr_api.cpp

@@ -42,7 +42,6 @@
 
 #ifdef ANDROID_ENABLED
 #define OPENXR_LOADER_NAME "libopenxr_loader.so"
-#include "extensions/openxr_android_extension.h"
 #endif
 
 // We need to have all the graphics API defines before the Vulkan or OpenGL
@@ -81,13 +80,11 @@
 #include "extensions/openxr_composition_layer_depth_extension.h"
 #include "extensions/openxr_fb_display_refresh_rate_extension.h"
 #include "extensions/openxr_fb_passthrough_extension_wrapper.h"
-#include "extensions/openxr_hand_tracking_extension.h"
-#include "extensions/openxr_htc_vive_tracker_extension.h"
-#include "extensions/openxr_palm_pose_extension.h"
 
 #include "modules/openxr/openxr_interface.h"
 
 OpenXRAPI *OpenXRAPI::singleton = nullptr;
+Vector<OpenXRExtensionWrapper *> OpenXRAPI::registered_extension_wrappers;
 
 bool OpenXRAPI::openxr_is_enabled(bool p_check_run_in_editor) {
 	// @TODO we need an overrule switch so we can force enable openxr, i.e run "godot --openxr_enabled"
@@ -104,10 +101,6 @@ bool OpenXRAPI::openxr_is_enabled(bool p_check_run_in_editor) {
 	}
 }
 
-OpenXRAPI *OpenXRAPI::get_singleton() {
-	return singleton;
-}
-
 String OpenXRAPI::get_default_action_map_resource_name() {
 	String name = GLOBAL_GET("xr/openxr/default_action_map");
 
@@ -303,7 +296,7 @@ bool OpenXRAPI::create_instance() {
 	// Append the extensions requested by the registered extension wrappers.
 	HashMap<String, bool *> requested_extensions;
 	for (OpenXRExtensionWrapper *wrapper : registered_extension_wrappers) {
-		const HashMap<String, bool *> &wrapper_request_extensions = wrapper->get_request_extensions();
+		const HashMap<String, bool *> &wrapper_request_extensions = wrapper->get_requested_extensions();
 
 		// requested_extensions.insert(wrapper_request_extensions.begin(), wrapper_request_extensions.end());
 		for (auto &requested_extension : wrapper_request_extensions) {
@@ -311,14 +304,6 @@ bool OpenXRAPI::create_instance() {
 		}
 	}
 
-	// Add optional extensions for controllers that may be supported.
-	// Overkill to create extension classes for this.
-	requested_extensions[XR_EXT_HP_MIXED_REALITY_CONTROLLER_EXTENSION_NAME] = &ext_hp_mixed_reality_available;
-	requested_extensions[XR_EXT_SAMSUNG_ODYSSEY_CONTROLLER_EXTENSION_NAME] = &ext_samsung_odyssey_available;
-	requested_extensions[XR_HTC_VIVE_COSMOS_CONTROLLER_INTERACTION_EXTENSION_NAME] = &ext_vive_cosmos_available;
-	requested_extensions[XR_HTC_VIVE_FOCUS3_CONTROLLER_INTERACTION_EXTENSION_NAME] = &ext_vive_focus3_available;
-	requested_extensions[XR_HUAWEI_CONTROLLER_INTERACTION_EXTENSION_NAME] = &ext_huawei_controller_available;
-
 	// Check which extensions are supported
 	enabled_extensions.clear();
 
@@ -1259,7 +1244,7 @@ bool OpenXRAPI::initialize(const String &p_rendering_driver) {
 
 	if (p_rendering_driver == "vulkan") {
 #ifdef VULKAN_ENABLED
-		graphics_extension = memnew(OpenXRVulkanExtension(this));
+		graphics_extension = memnew(OpenXRVulkanExtension);
 		register_extension_wrapper(graphics_extension);
 #else
 		// shouldn't be possible...
@@ -1267,7 +1252,7 @@ bool OpenXRAPI::initialize(const String &p_rendering_driver) {
 #endif
 	} else if (p_rendering_driver == "opengl3") {
 #ifdef GLES3_ENABLED
-		graphics_extension = memnew(OpenXROpenGLExtension(this));
+		graphics_extension = memnew(OpenXROpenGLExtension);
 		register_extension_wrapper(graphics_extension);
 #else
 		// shouldn't be possible...
@@ -1358,6 +1343,19 @@ void OpenXRAPI::register_extension_wrapper(OpenXRExtensionWrapper *p_extension_w
 	registered_extension_wrappers.push_back(p_extension_wrapper);
 }
 
+void OpenXRAPI::register_extension_metadata() {
+	for (OpenXRExtensionWrapper *extension_wrapper : registered_extension_wrappers) {
+		extension_wrapper->on_register_metadata();
+	}
+}
+
+void OpenXRAPI::cleanup_extension_wrappers() {
+	for (OpenXRExtensionWrapper *extension_wrapper : registered_extension_wrappers) {
+		memdelete(extension_wrapper);
+	}
+	registered_extension_wrappers.clear();
+}
+
 Size2 OpenXRAPI::get_recommended_target_size() {
 	ERR_FAIL_NULL_V(view_configuration_views, Size2());
 
@@ -1957,19 +1955,6 @@ OpenXRAPI::OpenXRAPI() {
 	// reset a few things that can't be done in our class definition
 	frame_state.predictedDisplayTime = 0;
 	frame_state.predictedDisplayPeriod = 0;
-
-#ifdef ANDROID_ENABLED
-	// our android wrapper will initialize our android loader at this point
-	register_extension_wrapper(memnew(OpenXRAndroidExtension(this)));
-#endif
-
-	// register our other extensions
-	register_extension_wrapper(memnew(OpenXRPalmPoseExtension(this)));
-	register_extension_wrapper(memnew(OpenXRCompositionLayerDepthExtension(this)));
-	register_extension_wrapper(memnew(OpenXRHTCViveTrackerExtension(this)));
-	register_extension_wrapper(memnew(OpenXRHandTrackingExtension(this)));
-	register_extension_wrapper(memnew(OpenXRFbPassthroughExtensionWrapper(this)));
-	register_extension_wrapper(memnew(OpenXRDisplayRefreshRateExtension(this)));
 }
 
 OpenXRAPI::~OpenXRAPI() {
@@ -1979,12 +1964,6 @@ OpenXRAPI::~OpenXRAPI() {
 	}
 	composition_layer_providers.clear();
 
-	// cleanup our extension wrappers
-	for (OpenXRExtensionWrapper *extension_wrapper : registered_extension_wrappers) {
-		memdelete(extension_wrapper);
-	}
-	registered_extension_wrappers.clear();
-
 	if (supported_extensions != nullptr) {
 		memfree(supported_extensions);
 		supported_extensions = nullptr;

modules/openxr/openxr_api.h

@@ -65,6 +65,9 @@ private:
 	// our singleton
 	static OpenXRAPI *singleton;
 
+	// Registered extension wrappers
+	static Vector<OpenXRExtensionWrapper *> registered_extension_wrappers;
+
 	// linked XR interface
 	OpenXRInterface *xr_interface = nullptr;
 
@@ -75,15 +78,8 @@ private:
 	// extensions
 	uint32_t num_supported_extensions = 0;
 	XrExtensionProperties *supported_extensions = nullptr;
-	Vector<OpenXRExtensionWrapper *> registered_extension_wrappers;
 	Vector<CharString> enabled_extensions;
 
-	bool ext_hp_mixed_reality_available = false;
-	bool ext_samsung_odyssey_available = false;
-	bool ext_vive_cosmos_available = false;
-	bool ext_vive_focus3_available = false;
-	bool ext_huawei_controller_available = false;
-
 	// composition layer providers
 	Vector<OpenXRCompositionLayerProvider *> composition_layer_providers;
 
@@ -307,14 +303,16 @@ public:
 	bool interaction_profile_supports_io_path(const String &p_ip_path, const String &p_io_path);
 
 	static bool openxr_is_enabled(bool p_check_run_in_editor = true);
-	static OpenXRAPI *get_singleton();
+	_FORCE_INLINE_ static OpenXRAPI *get_singleton() { return singleton; }
 
 	XrResult get_instance_proc_addr(const char *p_name, PFN_xrVoidFunction *p_addr);
 	String get_error_string(XrResult result);
 	String get_swapchain_format_name(int64_t p_swapchain_format) const;
 
 	void set_xr_interface(OpenXRInterface *p_xr_interface);
-	void register_extension_wrapper(OpenXRExtensionWrapper *p_extension_wrapper);
+	static void register_extension_wrapper(OpenXRExtensionWrapper *p_extension_wrapper);
+	static void register_extension_metadata();
+	static void cleanup_extension_wrappers();
 
 	void set_form_factor(XrFormFactor p_form_factor);
 	XrFormFactor get_form_factor() const { return form_factor; }

modules/openxr/register_types.cpp

@@ -41,6 +41,20 @@
 
 #include "scene/openxr_hand.h"
 
+#ifdef ANDROID_ENABLED
+#include "extensions/openxr_android_extension.h"
+#endif
+
+#include "extensions/openxr_composition_layer_depth_extension.h"
+#include "extensions/openxr_fb_display_refresh_rate_extension.h"
+#include "extensions/openxr_fb_passthrough_extension_wrapper.h"
+#include "extensions/openxr_hand_tracking_extension.h"
+#include "extensions/openxr_htc_controller_extension.h"
+#include "extensions/openxr_htc_vive_tracker_extension.h"
+#include "extensions/openxr_huawei_controller_extension.h"
+#include "extensions/openxr_palm_pose_extension.h"
+#include "extensions/openxr_wmr_controller_extension.h"
+
 static OpenXRAPI *openxr_api = nullptr;
 static OpenXRInteractionProfileMetaData *openxr_interaction_profile_meta_data = nullptr;
 static Ref<OpenXRInterface> openxr_interface;
@@ -69,7 +83,24 @@ static void _editor_init() {
 
 void initialize_openxr_module(ModuleInitializationLevel p_level) {
 	if (p_level == MODULE_INITIALIZATION_LEVEL_SERVERS) {
-		// For now we create our openxr device here. If we merge it with openxr_interface we'll create that here soon.
+		if (OpenXRAPI::openxr_is_enabled(false)) {
+			// Always register our extension wrappers even if we don't initialise OpenXR.
+			// Some of these wrappers will add functionality to our editor.
+#ifdef ANDROID_ENABLED
+			OpenXRAPI::register_extension_wrapper(memnew(OpenXRAndroidExtension));
+#endif
+
+			// register our other extensions
+			OpenXRAPI::register_extension_wrapper(memnew(OpenXRPalmPoseExtension));
+			OpenXRAPI::register_extension_wrapper(memnew(OpenXRCompositionLayerDepthExtension));
+			OpenXRAPI::register_extension_wrapper(memnew(OpenXRHTCControllerExtension));
+			OpenXRAPI::register_extension_wrapper(memnew(OpenXRHTCViveTrackerExtension));
+			OpenXRAPI::register_extension_wrapper(memnew(OpenXRHuaweiControllerExtension));
+			OpenXRAPI::register_extension_wrapper(memnew(OpenXRHandTrackingExtension));
+			OpenXRAPI::register_extension_wrapper(memnew(OpenXRFbPassthroughExtensionWrapper));
+			OpenXRAPI::register_extension_wrapper(memnew(OpenXRDisplayRefreshRateExtension));
+			OpenXRAPI::register_extension_wrapper(memnew(OpenXRWMRControllerExtension));
+		}
 
 		if (OpenXRAPI::openxr_is_enabled()) {
 			openxr_interaction_profile_meta_data = memnew(OpenXRInteractionProfileMetaData);
@@ -139,6 +170,7 @@ void uninitialize_openxr_module(ModuleInitializationLevel p_level) {
 
 	if (openxr_api) {
 		openxr_api->finish();
+
 		memdelete(openxr_api);
 		openxr_api = nullptr;
 	}
@@ -147,4 +179,7 @@ void uninitialize_openxr_module(ModuleInitializationLevel p_level) {
 		memdelete(openxr_interaction_profile_meta_data);
 		openxr_interaction_profile_meta_data = nullptr;
 	}
+
+	// cleanup our extension wrappers
+	OpenXRAPI::cleanup_extension_wrappers();
 }

modules/openxr/util.h

@@ -40,7 +40,7 @@
 		ERR_FAIL_COND_V(XR_FAILED(get_instance_proc_addr_result), false);                                             \
 	} while (0)
 
-#define EXT_INIT_XR_FUNC_V(name) INIT_XR_FUNC_V(openxr_api, name)
+#define EXT_INIT_XR_FUNC_V(name) INIT_XR_FUNC_V(OpenXRAPI::get_singleton(), name)
 #define OPENXR_API_INIT_XR_FUNC_V(name) INIT_XR_FUNC_V(this, name)
 
 #define INIT_XR_FUNC(openxr_api, name)                                                                                \
@@ -50,7 +50,7 @@
 		ERR_FAIL_COND(XR_FAILED(get_instance_proc_addr_result));                                                      \
 	} while (0)
 
-#define EXT_INIT_XR_FUNC(name) INIT_XR_FUNC(openxr_api, name)
+#define EXT_INIT_XR_FUNC(name) INIT_XR_FUNC(OpenXRAPI::get_singleton(), name)
 #define OPENXR_API_INIT_XR_FUNC(name) INIT_XR_FUNC(this, name)
 
 #define EXT_PROTO_XRRESULT_FUNC1(func_name, arg1_type, arg1)                    \