1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
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 p_##arg1) const { \
if (!func_name##_ptr) { \
return XR_ERROR_HANDLE_INVALID; \
} \
return (*func_name##_ptr)(p_##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 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); \
}
#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 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); \
}
#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 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); \
}
#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 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); \
}
#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 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); \
}
#endif // UTIL_H
|