156 lines
6.3 KiB
C++
156 lines
6.3 KiB
C++
//-------------------------------------------------------------------------------------------------------------------------------------------------------------
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//
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// Metal/MTLPrivate.hpp
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//
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// Copyright 2020-2023 Apple Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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//-------------------------------------------------------------------------------------------------------------------------------------------------------------
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#pragma once
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//-------------------------------------------------------------------------------------------------------------------------------------------------------------
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#include "MTLDefines.hpp"
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#include <objc/runtime.h>
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//-------------------------------------------------------------------------------------------------------------------------------------------------------------
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#define _MTL_PRIVATE_CLS(symbol) (Private::Class::s_k##symbol)
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#define _MTL_PRIVATE_SEL(accessor) (Private::Selector::s_k##accessor)
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//-------------------------------------------------------------------------------------------------------------------------------------------------------------
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#if defined(MTL_PRIVATE_IMPLEMENTATION)
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#ifdef METALCPP_SYMBOL_VISIBILITY_HIDDEN
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#define _MTL_PRIVATE_VISIBILITY __attribute__((visibility("hidden")))
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#else
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#define _MTL_PRIVATE_VISIBILITY __attribute__((visibility("default")))
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#endif // METALCPP_SYMBOL_VISIBILITY_HIDDEN
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#define _MTL_PRIVATE_IMPORT __attribute__((weak_import))
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#ifdef __OBJC__
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#define _MTL_PRIVATE_OBJC_LOOKUP_CLASS(symbol) ((__bridge void*)objc_lookUpClass(#symbol))
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#define _MTL_PRIVATE_OBJC_GET_PROTOCOL(symbol) ((__bridge void*)objc_getProtocol(#symbol))
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#else
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#define _MTL_PRIVATE_OBJC_LOOKUP_CLASS(symbol) objc_lookUpClass(#symbol)
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#define _MTL_PRIVATE_OBJC_GET_PROTOCOL(symbol) objc_getProtocol(#symbol)
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#endif // __OBJC__
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#define _MTL_PRIVATE_DEF_CLS(symbol) void* s_k##symbol _MTL_PRIVATE_VISIBILITY = _MTL_PRIVATE_OBJC_LOOKUP_CLASS(symbol)
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#define _MTL_PRIVATE_DEF_PRO(symbol) void* s_k##symbol _MTL_PRIVATE_VISIBILITY = _MTL_PRIVATE_OBJC_GET_PROTOCOL(symbol)
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#define _MTL_PRIVATE_DEF_SEL(accessor, symbol) SEL s_k##accessor _MTL_PRIVATE_VISIBILITY = sel_registerName(symbol)
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#include <dlfcn.h>
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#define MTL_DEF_FUNC( name, signature ) \
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using Fn##name = signature; \
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Fn##name name = reinterpret_cast< Fn##name >( dlsym( RTLD_DEFAULT, #name ) )
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namespace MTL::Private
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{
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template <typename _Type>
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inline _Type const LoadSymbol(const char* pSymbol)
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{
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const _Type* pAddress = static_cast<_Type*>(dlsym(RTLD_DEFAULT, pSymbol));
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return pAddress ? *pAddress : nullptr;
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}
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} // MTL::Private
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#if defined(__MAC_10_16) || defined(__MAC_11_0) || defined(__MAC_12_0) || defined(__MAC_13_0) || defined(__MAC_14_0) || defined(__IPHONE_14_0) || defined(__IPHONE_15_0) || defined(__IPHONE_16_0) || defined(__IPHONE_17_0) || defined(__TVOS_14_0) || defined(__TVOS_15_0) || defined(__TVOS_16_0) || defined(__TVOS_17_0)
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#define _MTL_PRIVATE_DEF_STR(type, symbol) \
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_MTL_EXTERN type const MTL##symbol _MTL_PRIVATE_IMPORT; \
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type const MTL::symbol = (nullptr != &MTL##symbol) ? MTL##symbol : nullptr
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#define _MTL_PRIVATE_DEF_CONST(type, symbol) \
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_MTL_EXTERN type const MTL##symbol _MTL_PRIVATE_IMPORT; \
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type const MTL::symbol = (nullptr != &MTL##symbol) ? MTL##symbol : nullptr
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#define _MTL_PRIVATE_DEF_WEAK_CONST(type, symbol) \
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_MTL_EXTERN type const MTL##symbol; \
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type const MTL::symbol = Private::LoadSymbol<type>("MTL" #symbol)
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#else
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#define _MTL_PRIVATE_DEF_STR(type, symbol) \
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_MTL_EXTERN type const MTL##symbol; \
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type const MTL::symbol = Private::LoadSymbol<type>("MTL" #symbol)
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#define _MTL_PRIVATE_DEF_CONST(type, symbol) \
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_MTL_EXTERN type const MTL##symbol; \
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type const MTL::symbol = Private::LoadSymbol<type>("MTL" #symbol)
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#define _MTL_PRIVATE_DEF_WEAK_CONST(type, symbol) _MTL_PRIVATE_DEF_CONST(type, symbol)
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#endif // defined(__MAC_10_16) || defined(__MAC_11_0) || defined(__MAC_12_0) || defined(__MAC_13_0) || defined(__MAC_14_0) || defined(__IPHONE_14_0) || defined(__IPHONE_15_0) || defined(__IPHONE_16_0) || defined(__IPHONE_17_0) || defined(__TVOS_14_0) || defined(__TVOS_15_0) || defined(__TVOS_16_0) || defined(__TVOS_17_0)
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#else
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#define _MTL_PRIVATE_DEF_CLS(symbol) extern void* s_k##symbol
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#define _MTL_PRIVATE_DEF_PRO(symbol) extern void* s_k##symbol
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#define _MTL_PRIVATE_DEF_SEL(accessor, symbol) extern SEL s_k##accessor
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#define _MTL_PRIVATE_DEF_STR(type, symbol) extern type const MTL::symbol
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#define _MTL_PRIVATE_DEF_CONST(type, symbol) extern type const MTL::symbol
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#define _MTL_PRIVATE_DEF_WEAK_CONST(type, symbol) extern type const MTL::symbol
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#endif // MTL_PRIVATE_IMPLEMENTATION
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//-------------------------------------------------------------------------------------------------------------------------------------------------------------
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namespace MTL
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{
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namespace Private
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{
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namespace Class
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{
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} // Class
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} // Private
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} // MTL
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//-------------------------------------------------------------------------------------------------------------------------------------------------------------
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namespace MTL
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{
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namespace Private
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{
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namespace Protocol
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{
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} // Protocol
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} // Private
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} // MTL
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//-------------------------------------------------------------------------------------------------------------------------------------------------------------
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namespace MTL
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{
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namespace Private
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{
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namespace Selector
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{
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_MTL_PRIVATE_DEF_SEL(beginScope,
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"beginScope");
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_MTL_PRIVATE_DEF_SEL(endScope,
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"endScope");
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} // Class
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} // Private
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} // MTL
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//-------------------------------------------------------------------------------------------------------------------------------------------------------------
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