godot/modules/openxr/register_types.cpp

/*************************************************************************/
/*  register_types.cpp                                                   */
/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
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#include "register_types.h"
#include "main/main.h"

#include "openxr_interface.h"

#include "action_map/openxr_action.h"
#include "action_map/openxr_action_map.h"
#include "action_map/openxr_action_set.h"
#include "action_map/openxr_interaction_profile.h"

OpenXRAPI *openxr_api = nullptr;
Ref<OpenXRInterface> openxr_interface;

void preregister_openxr_types() {
	// For now we create our openxr device here. If we merge it with openxr_interface we'll create that here soon.

	OpenXRAPI::setup_global_defs();
	openxr_api = OpenXRAPI::get_singleton();
	if (openxr_api) {
		if (!openxr_api->initialise(Main::get_rendering_driver_name())) {
			return;
		}
	}
}

void register_openxr_types() {
	GDREGISTER_CLASS(OpenXRInterface);

	GDREGISTER_CLASS(OpenXRAction);
	GDREGISTER_CLASS(OpenXRActionSet);
	GDREGISTER_CLASS(OpenXRActionMap);
	GDREGISTER_CLASS(OpenXRIPBinding);
	GDREGISTER_CLASS(OpenXRInteractionProfile);

	XRServer *xr_server = XRServer::get_singleton();
	if (xr_server) {
		openxr_interface.instantiate();
		xr_server->add_interface(openxr_interface);

		if (openxr_interface->initialise_on_startup()) {
			openxr_interface->initialize();
		}
	}
}

void unregister_openxr_types() {
	if (openxr_interface.is_valid()) {
		// uninitialise just in case
		if (openxr_interface->is_initialized()) {
			openxr_interface->uninitialize();
		}

		// unregister our interface from the XR server
		XRServer *xr_server = XRServer::get_singleton();
		if (xr_server) {
			if (xr_server->get_primary_interface() == openxr_interface) {
				xr_server->set_primary_interface(Ref<XRInterface>());
			}
			xr_server->remove_interface(openxr_interface);
		}

		// and release
		openxr_interface.unref();
	}

	if (openxr_api) {
		openxr_api->finish();
		memdelete(openxr_api);
	}
}