yum-mirror/VkFFT

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Tolmachev DmitriiMetal support in VkFFTba7001c

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1//-------------------------------------------------------------------------------------------------------------------------------------------------------------
2//
3// Metal/MTLPrivate.hpp
4//
5// Copyright 2020-2021 Apple Inc.
6//
7// Licensed under the Apache License, Version 2.0 (the "License");
8// you may not use this file except in compliance with the License.
9// You may obtain a copy of the License at
10//
11//     http://www.apache.org/licenses/LICENSE-2.0
12//
13// Unless required by applicable law or agreed to in writing, software
14// distributed under the License is distributed on an "AS IS" BASIS,
15// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16// See the License for the specific language governing permissions and
17// limitations under the License.
18//
19//-------------------------------------------------------------------------------------------------------------------------------------------------------------
20
21#pragma once
22
23//-------------------------------------------------------------------------------------------------------------------------------------------------------------
24
25#include "MTLDefines.hpp"
26
27#include <objc/runtime.h>
28
29//-------------------------------------------------------------------------------------------------------------------------------------------------------------
30
31#define _MTL_PRIVATE_CLS(symbol) (Private::Class::s_k##symbol)
32#define _MTL_PRIVATE_SEL(accessor) (Private::Selector::s_k##accessor)
33
34//-------------------------------------------------------------------------------------------------------------------------------------------------------------
35
36#if defined(MTL_PRIVATE_IMPLEMENTATION)
37
38#define _MTL_PRIVATE_VISIBILITY __attribute__((visibility("default")))
39#define _MTL_PRIVATE_IMPORT __attribute__((weak_import))
40
41#if __OBJC__
42#define _MTL_PRIVATE_OBJC_LOOKUP_CLASS(symbol) ((__bridge void*)objc_lookUpClass(#symbol))
43#else
44#define _MTL_PRIVATE_OBJC_LOOKUP_CLASS(symbol) objc_lookUpClass(#symbol)
45#endif // __OBJC__
46
47#define _MTL_PRIVATE_DEF_CLS(symbol) void* s_k##symbol _MTL_PRIVATE_VISIBILITY = _MTL_PRIVATE_OBJC_LOOKUP_CLASS(symbol);
48#define _MTL_PRIVATE_DEF_PRO(symbol)
49#define _MTL_PRIVATE_DEF_SEL(accessor, symbol) SEL s_k##accessor _MTL_PRIVATE_VISIBILITY = sel_registerName(symbol);
50
51#if defined(__MAC_10_16) || defined(__MAC_11_0) || defined(__MAC_12_0) || defined(__IPHONE_14_0) || defined(__IPHONE_15_0) || defined(__TVOS_14_0) || defined(__TVOS_15_0)
52
53#define _MTL_PRIVATE_DEF_STR(type, symbol)                  \
54    _MTL_EXTERN type const MTL##symbol _MTL_PRIVATE_IMPORT; \
55    type const                         MTL::symbol = (nullptr != &MTL##symbol) ? MTL##symbol : nullptr;
56
57#else
58
59#include <dlfcn.h>
60
61namespace MTL
62{
63namespace Private
64{
65
66    template <typename _Type>
67    inline _Type const LoadSymbol(const char* pSymbol)
68    {
69        const _Type* pAddress = static_cast<_Type*>(dlsym(RTLD_DEFAULT, pSymbol));
70
71        return pAddress ? *pAddress : nullptr;
72    }
73
74} // Private
75} // MTL
76
77#define _MTL_PRIVATE_DEF_STR(type, symbol) \
78    _MTL_EXTERN type const MTL##symbol;    \
79    type const             MTL::symbol = Private::LoadSymbol<type>("MTL" #symbol);
80
81#endif // defined(__MAC_10_16) || defined(__MAC_11_0) || defined(__MAC_12_0) || defined(__IPHONE_14_0) || defined(__IPHONE_15_0) || defined(__TVOS_14_0) || defined(__TVOS_15_0)
82
83#else
84
85#define _MTL_PRIVATE_DEF_CLS(symbol) extern void* s_k##symbol;
86#define _MTL_PRIVATE_DEF_PRO(symbol)
87#define _MTL_PRIVATE_DEF_SEL(accessor, symbol) extern SEL s_k##accessor;
88#define _MTL_PRIVATE_DEF_STR(type, symbol)
89
90#endif // MTL_PRIVATE_IMPLEMENTATION
91
92//-------------------------------------------------------------------------------------------------------------------------------------------------------------
93
94namespace MTL
95{
96namespace Private
97{
98    namespace Class
99    {
100
101    } // Class
102} // Private
103} // MTL
104
105//-------------------------------------------------------------------------------------------------------------------------------------------------------------
106
107namespace MTL
108{
109namespace Private
110{
111    namespace Protocol
112    {
113
114    } // Protocol
115} // Private
116} // MTL
117
118//-------------------------------------------------------------------------------------------------------------------------------------------------------------
119
120namespace MTL
121{
122namespace Private
123{
124    namespace Selector
125    {
126
127        _MTL_PRIVATE_DEF_SEL(beginScope,
128            "beginScope");
129        _MTL_PRIVATE_DEF_SEL(endScope,
130            "endScope");
131    } // Class
132} // Private
133} // MTL
134
135//-------------------------------------------------------------------------------------------------------------------------------------------------------------