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111 lines
9.0 KiB
C++
111 lines
9.0 KiB
C++
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/*************************************************************************/
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/* util.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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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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do { \
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XrResult get_instance_proc_addr_result; \
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get_instance_proc_addr_result = openxr_api->get_instance_proc_addr(#name, (PFN_xrVoidFunction *)&name##_ptr); \
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ERR_FAIL_COND_V(XR_FAILED(get_instance_proc_addr_result), false); \
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} while (0)
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#define EXT_INIT_XR_FUNC_V(name) INIT_XR_FUNC_V(openxr_api, 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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do { \
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XrResult get_instance_proc_addr_result; \
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get_instance_proc_addr_result = openxr_api->get_instance_proc_addr(#name, (PFN_xrVoidFunction *)&name##_ptr); \
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ERR_FAIL_COND(XR_FAILED(get_instance_proc_addr_result)); \
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} while (0)
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#define EXT_INIT_XR_FUNC(name) INIT_XR_FUNC(openxr_api, name)
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#define OPENXR_API_INIT_XR_FUNC(name) INIT_XR_FUNC(this, name)
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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; \
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XRAPI_ATTR XrResult XRAPI_CALL func_name(UNPACK arg1_type arg1) const { \
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if (!func_name##_ptr) { \
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return XR_ERROR_HANDLE_INVALID; \
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} \
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return (*func_name##_ptr)(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; \
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XRAPI_ATTR XrResult XRAPI_CALL func_name(UNPACK arg1_type arg1, UNPACK arg2_type arg2) const { \
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if (!func_name##_ptr) { \
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return XR_ERROR_HANDLE_INVALID; \
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} \
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return (*func_name##_ptr)(arg1, 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; \
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XRAPI_ATTR XrResult XRAPI_CALL func_name(UNPACK arg1_type arg1, UNPACK arg2_type arg2, UNPACK arg3_type arg3) const { \
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if (!func_name##_ptr) { \
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return XR_ERROR_HANDLE_INVALID; \
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} \
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return (*func_name##_ptr)(arg1, arg2, 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; \
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XRAPI_ATTR XrResult XRAPI_CALL func_name(UNPACK arg1_type arg1, UNPACK arg2_type arg2, UNPACK arg3_type arg3, UNPACK arg4_type arg4) const { \
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if (!func_name##_ptr) { \
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return XR_ERROR_HANDLE_INVALID; \
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} \
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return (*func_name##_ptr)(arg1, arg2, arg3, 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; \
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XRAPI_ATTR XrResult XRAPI_CALL func_name(UNPACK arg1_type arg1, UNPACK arg2_type arg2, UNPACK arg3_type arg3, UNPACK arg4_type arg4, UNPACK arg5_type arg5) const { \
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if (!func_name##_ptr) { \
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return XR_ERROR_HANDLE_INVALID; \
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} \
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return (*func_name##_ptr)(arg1, arg2, arg3, arg4, 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; \
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XRAPI_ATTR XrResult XRAPI_CALL func_name(UNPACK arg1_type arg1, UNPACK arg2_type arg2, UNPACK arg3_type arg3, UNPACK arg4_type arg4, UNPACK arg5_type arg5, UNPACK arg6_type arg6) const { \
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if (!func_name##_ptr) { \
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return XR_ERROR_HANDLE_INVALID; \
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} \
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return (*func_name##_ptr)(arg1, arg2, arg3, arg4, arg5, arg6); \
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}
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#endif // UTIL_H
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