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Diffstat (limited to 'modules/openxr/util.h')
| -rw-r--r-- | modules/openxr/util.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/modules/openxr/util.h b/modules/openxr/util.h new file mode 100644 index 0000000000..5c79890830 --- /dev/null +++ b/modules/openxr/util.h @@ -0,0 +1,110 @@ +/*************************************************************************/ +/* util.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 UTIL_H +#define UTIL_H + +#define UNPACK(...) __VA_ARGS__ + +#define INIT_XR_FUNC_V(openxr_api, name) \ + do { \ + 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); \ + } while (0) + +#define EXT_INIT_XR_FUNC_V(name) INIT_XR_FUNC_V(openxr_api, name) +#define OPENXR_API_INIT_XR_FUNC_V(name) INIT_XR_FUNC_V(this, name) + +#define INIT_XR_FUNC(openxr_api, name) \ + do { \ + 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)); \ + } while (0) + +#define EXT_INIT_XR_FUNC(name) INIT_XR_FUNC(openxr_api, name) +#define OPENXR_API_INIT_XR_FUNC(name) INIT_XR_FUNC(this, name) + +#define EXT_PROTO_XRRESULT_FUNC1(func_name, arg1_type, arg1) \ + PFN_##func_name func_name##_ptr = nullptr; \ + XRAPI_ATTR XrResult XRAPI_CALL func_name(UNPACK arg1_type arg1) const { \ + if (!func_name##_ptr) { \ + return XR_ERROR_HANDLE_INVALID; \ + } \ + return (*func_name##_ptr)(arg1); \ + } + +#define EXT_PROTO_XRRESULT_FUNC2(func_name, arg1_type, arg1, arg2_type, arg2) \ + PFN_##func_name func_name##_ptr = nullptr; \ + XRAPI_ATTR XrResult XRAPI_CALL func_name(UNPACK arg1_type arg1, UNPACK arg2_type arg2) const { \ + if (!func_name##_ptr) { \ + return XR_ERROR_HANDLE_INVALID; \ + } \ + return (*func_name##_ptr)(arg1, arg2); \ + } + +#define EXT_PROTO_XRRESULT_FUNC3(func_name, arg1_type, arg1, arg2_type, arg2, arg3_type, arg3) \ + PFN_##func_name func_name##_ptr = nullptr; \ + XRAPI_ATTR XrResult XRAPI_CALL func_name(UNPACK arg1_type arg1, UNPACK arg2_type arg2, UNPACK arg3_type arg3) const { \ + if (!func_name##_ptr) { \ + return XR_ERROR_HANDLE_INVALID; \ + } \ + return (*func_name##_ptr)(arg1, arg2, arg3); \ + } + +#define EXT_PROTO_XRRESULT_FUNC4(func_name, arg1_type, arg1, arg2_type, arg2, arg3_type, arg3, arg4_type, arg4) \ + PFN_##func_name func_name##_ptr = nullptr; \ + XRAPI_ATTR XrResult XRAPI_CALL func_name(UNPACK arg1_type arg1, UNPACK arg2_type arg2, UNPACK arg3_type arg3, UNPACK arg4_type arg4) const { \ + if (!func_name##_ptr) { \ + return XR_ERROR_HANDLE_INVALID; \ + } \ + return (*func_name##_ptr)(arg1, arg2, arg3, arg4); \ + } + +#define EXT_PROTO_XRRESULT_FUNC5(func_name, arg1_type, arg1, arg2_type, arg2, arg3_type, arg3, arg4_type, arg4, arg5_type, arg5) \ + PFN_##func_name func_name##_ptr = nullptr; \ + 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 { \ + if (!func_name##_ptr) { \ + return XR_ERROR_HANDLE_INVALID; \ + } \ + return (*func_name##_ptr)(arg1, arg2, arg3, arg4, arg5); \ + } + +#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) \ + PFN_##func_name func_name##_ptr = nullptr; \ + 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 { \ + if (!func_name##_ptr) { \ + return XR_ERROR_HANDLE_INVALID; \ + } \ + return (*func_name##_ptr)(arg1, arg2, arg3, arg4, arg5, arg6); \ + } + +#endif // UTIL_H |