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										 |  |  | /**************************************************************************/ | 
					
						
							|  |  |  | /*  util.h                                                                */ | 
					
						
							|  |  |  | /**************************************************************************/ | 
					
						
							|  |  |  | /*                         This file is part of:                          */ | 
					
						
							|  |  |  | /*                             GODOT ENGINE                               */ | 
					
						
							|  |  |  | /*                        https://godotengine.org                         */ | 
					
						
							|  |  |  | /**************************************************************************/ | 
					
						
							|  |  |  | /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ | 
					
						
							|  |  |  | /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */ | 
					
						
							|  |  |  | /*                                                                        */ | 
					
						
							|  |  |  | /* 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.                 */ | 
					
						
							|  |  |  | /**************************************************************************/ | 
					
						
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							|  |  |  | #ifndef UTIL_H
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							|  |  |  | #define UTIL_H
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							|  |  |  | #define UNPACK(...) __VA_ARGS__
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							|  |  |  | #define INIT_XR_FUNC_V(openxr_api, name)                                                                              \
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										 |  |  | 	if constexpr (true) {                                                                                             \ | 
					
						
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										 |  |  | 		XrResult get_instance_proc_addr_result;                                                                       \ | 
					
						
							|  |  |  | 		get_instance_proc_addr_result = openxr_api->get_instance_proc_addr(#name, (PFN_xrVoidFunction *)&name##_ptr); \ | 
					
						
							|  |  |  | 		ERR_FAIL_COND_V(XR_FAILED(get_instance_proc_addr_result), false);                                             \ | 
					
						
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										 |  |  | 	} else                                                                                                            \ | 
					
						
							|  |  |  | 		((void)0) | 
					
						
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										 |  |  | #define EXT_INIT_XR_FUNC_V(name) INIT_XR_FUNC_V(OpenXRAPI::get_singleton(), name)
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										 |  |  | #define OPENXR_API_INIT_XR_FUNC_V(name) INIT_XR_FUNC_V(this, name)
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							|  |  |  | #define INIT_XR_FUNC(openxr_api, name)                                                                                \
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										 |  |  | 	if constexpr (true) {                                                                                             \ | 
					
						
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										 |  |  | 		XrResult get_instance_proc_addr_result;                                                                       \ | 
					
						
							|  |  |  | 		get_instance_proc_addr_result = openxr_api->get_instance_proc_addr(#name, (PFN_xrVoidFunction *)&name##_ptr); \ | 
					
						
							|  |  |  | 		ERR_FAIL_COND(XR_FAILED(get_instance_proc_addr_result));                                                      \ | 
					
						
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										 |  |  | 	} else                                                                                                            \ | 
					
						
							|  |  |  | 		((void)0) | 
					
						
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										 |  |  | #define EXT_INIT_XR_FUNC(name) INIT_XR_FUNC(OpenXRAPI::get_singleton(), name)
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										 |  |  | #define OPENXR_API_INIT_XR_FUNC(name) INIT_XR_FUNC(this, name)
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							|  |  |  | #define TRY_INIT_XR_FUNC(openxr_api, name) \
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							|  |  |  | 	openxr_api->try_get_instance_proc_addr(#name, (PFN_xrVoidFunction *)&name##_ptr) | 
					
						
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							|  |  |  | #define EXT_TRY_INIT_XR_FUNC(name) TRY_INIT_XR_FUNC(OpenXRAPI::get_singleton(), name)
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							|  |  |  | #define OPENXR_TRY_API_INIT_XR_FUNC(name) TRY_INIT_XR_FUNC(this, name)
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										 |  |  | #define GDEXTENSION_INIT_XR_FUNC(name)                                                              \
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										 |  |  | 	if constexpr (true) {                                                                           \ | 
					
						
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										 |  |  | 		name##_ptr = reinterpret_cast<PFN_##name>(get_openxr_api()->get_instance_proc_addr(#name)); \ | 
					
						
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										 |  |  | 		ERR_FAIL_NULL(name##_ptr);                                                                  \ | 
					
						
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										 |  |  | 	} else                                                                                          \ | 
					
						
							|  |  |  | 		((void)0) | 
					
						
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							|  |  |  | #define GDEXTENSION_INIT_XR_FUNC_V(name)                                                            \
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										 |  |  | 	if constexpr (true) {                                                                           \ | 
					
						
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										 |  |  | 		name##_ptr = reinterpret_cast<PFN_##name>(get_openxr_api()->get_instance_proc_addr(#name)); \ | 
					
						
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										 |  |  | 		ERR_FAIL_NULL_V(name##_ptr, false);                                                         \ | 
					
						
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										 |  |  | 	} else                                                                                          \ | 
					
						
							|  |  |  | 		((void)0) | 
					
						
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										 |  |  | #define EXT_PROTO_XRRESULT_FUNC1(func_name, arg1_type, arg1)                    \
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							|  |  |  | 	PFN_##func_name func_name##_ptr = nullptr;                                  \ | 
					
						
							|  |  |  | 	XRAPI_ATTR XrResult XRAPI_CALL func_name(UNPACK arg1_type p_##arg1) const { \ | 
					
						
							|  |  |  | 		if (!func_name##_ptr) {                                                 \ | 
					
						
							|  |  |  | 			return XR_ERROR_HANDLE_INVALID;                                     \ | 
					
						
							|  |  |  | 		}                                                                       \ | 
					
						
							|  |  |  | 		return (*func_name##_ptr)(p_##arg1);                                    \ | 
					
						
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										 |  |  | 	} | 
					
						
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										 |  |  | #define EXT_PROTO_XRRESULT_FUNC2(func_name, arg1_type, arg1, arg2_type, arg2)                              \
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							|  |  |  | 	PFN_##func_name func_name##_ptr = nullptr;                                                             \ | 
					
						
							|  |  |  | 	XRAPI_ATTR XrResult XRAPI_CALL func_name(UNPACK arg1_type p_##arg1, UNPACK arg2_type p_##arg2) const { \ | 
					
						
							|  |  |  | 		if (!func_name##_ptr) {                                                                            \ | 
					
						
							|  |  |  | 			return XR_ERROR_HANDLE_INVALID;                                                                \ | 
					
						
							|  |  |  | 		}                                                                                                  \ | 
					
						
							|  |  |  | 		return (*func_name##_ptr)(p_##arg1, p_##arg2);                                                     \ | 
					
						
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										 |  |  | 	} | 
					
						
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										 |  |  | #define EXT_PROTO_XRRESULT_FUNC3(func_name, arg1_type, arg1, arg2_type, arg2, arg3_type, arg3)                                        \
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							|  |  |  | 	PFN_##func_name func_name##_ptr = nullptr;                                                                                        \ | 
					
						
							|  |  |  | 	XRAPI_ATTR XrResult XRAPI_CALL func_name(UNPACK arg1_type p_##arg1, UNPACK arg2_type p_##arg2, UNPACK arg3_type p_##arg3) const { \ | 
					
						
							|  |  |  | 		if (!func_name##_ptr) {                                                                                                       \ | 
					
						
							|  |  |  | 			return XR_ERROR_HANDLE_INVALID;                                                                                           \ | 
					
						
							|  |  |  | 		}                                                                                                                             \ | 
					
						
							|  |  |  | 		return (*func_name##_ptr)(p_##arg1, p_##arg2, p_##arg3);                                                                      \ | 
					
						
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										 |  |  | 	} | 
					
						
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										 |  |  | #define EXT_PROTO_XRRESULT_FUNC4(func_name, arg1_type, arg1, arg2_type, arg2, arg3_type, arg3, arg4_type, arg4)                                                  \
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							|  |  |  | 	PFN_##func_name func_name##_ptr = nullptr;                                                                                                                   \ | 
					
						
							|  |  |  | 	XRAPI_ATTR XrResult XRAPI_CALL func_name(UNPACK arg1_type p_##arg1, UNPACK arg2_type p_##arg2, UNPACK arg3_type p_##arg3, UNPACK arg4_type p_##arg4) const { \ | 
					
						
							|  |  |  | 		if (!func_name##_ptr) {                                                                                                                                  \ | 
					
						
							|  |  |  | 			return XR_ERROR_HANDLE_INVALID;                                                                                                                      \ | 
					
						
							|  |  |  | 		}                                                                                                                                                        \ | 
					
						
							|  |  |  | 		return (*func_name##_ptr)(p_##arg1, p_##arg2, p_##arg3, p_##arg4);                                                                                       \ | 
					
						
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										 |  |  | 	} | 
					
						
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										 |  |  | #define EXT_PROTO_XRRESULT_FUNC5(func_name, arg1_type, arg1, arg2_type, arg2, arg3_type, arg3, arg4_type, arg4, arg5_type, arg5)                                                            \
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							|  |  |  | 	PFN_##func_name func_name##_ptr = nullptr;                                                                                                                                              \ | 
					
						
							|  |  |  | 	XRAPI_ATTR XrResult XRAPI_CALL func_name(UNPACK arg1_type p_##arg1, UNPACK arg2_type p_##arg2, UNPACK arg3_type p_##arg3, UNPACK arg4_type p_##arg4, UNPACK arg5_type p_##arg5) const { \ | 
					
						
							|  |  |  | 		if (!func_name##_ptr) {                                                                                                                                                             \ | 
					
						
							|  |  |  | 			return XR_ERROR_HANDLE_INVALID;                                                                                                                                                 \ | 
					
						
							|  |  |  | 		}                                                                                                                                                                                   \ | 
					
						
							|  |  |  | 		return (*func_name##_ptr)(p_##arg1, p_##arg2, p_##arg3, p_##arg4, p_##arg5);                                                                                                        \ | 
					
						
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										 |  |  | 	} | 
					
						
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										 |  |  | #define EXT_PROTO_XRRESULT_FUNC6(func_name, arg1_type, arg1, arg2_type, arg2, arg3_type, arg3, arg4_type, arg4, arg5_type, arg5, arg6_type, arg6)                                                                      \
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							|  |  |  | 	PFN_##func_name func_name##_ptr = nullptr;                                                                                                                                                                         \ | 
					
						
							|  |  |  | 	XRAPI_ATTR XrResult XRAPI_CALL func_name(UNPACK arg1_type p_##arg1, UNPACK arg2_type p_##arg2, UNPACK arg3_type p_##arg3, UNPACK arg4_type p_##arg4, UNPACK arg5_type p_##arg5, UNPACK arg6_type p_##arg6) const { \ | 
					
						
							|  |  |  | 		if (!func_name##_ptr) {                                                                                                                                                                                        \ | 
					
						
							|  |  |  | 			return XR_ERROR_HANDLE_INVALID;                                                                                                                                                                            \ | 
					
						
							|  |  |  | 		}                                                                                                                                                                                                              \ | 
					
						
							|  |  |  | 		return (*func_name##_ptr)(p_##arg1, p_##arg2, p_##arg3, p_##arg4, p_##arg5, p_##arg6);                                                                                                                         \ | 
					
						
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										 |  |  | 	} | 
					
						
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							|  |  |  | #endif // UTIL_H
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