86 lines
1.9 KiB
C++
Vendored
86 lines
1.9 KiB
C++
Vendored
// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)
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// SPDX-FileCopyrightText: 2021 Jorrit Rouwe
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// SPDX-License-Identifier: MIT
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#include <Jolt/Jolt.h>
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JPH_SUPPRESS_WARNINGS_STD_BEGIN
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#include <cstdlib>
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JPH_SUPPRESS_WARNINGS_STD_END
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#include <stdlib.h>
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JPH_NAMESPACE_BEGIN
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#ifdef JPH_DISABLE_CUSTOM_ALLOCATOR
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#define JPH_ALLOC_FN(x) x
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#define JPH_ALLOC_SCOPE
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#else
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#define JPH_ALLOC_FN(x) x##Impl
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#define JPH_ALLOC_SCOPE static
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#endif
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JPH_ALLOC_SCOPE void *JPH_ALLOC_FN(Allocate)(size_t inSize)
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{
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JPH_ASSERT(inSize > 0);
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return malloc(inSize);
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}
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JPH_ALLOC_SCOPE void *JPH_ALLOC_FN(Reallocate)(void *inBlock, [[maybe_unused]] size_t inOldSize, size_t inNewSize)
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{
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JPH_ASSERT(inNewSize > 0);
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return realloc(inBlock, inNewSize);
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}
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JPH_ALLOC_SCOPE void JPH_ALLOC_FN(Free)(void *inBlock)
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{
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free(inBlock);
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}
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JPH_ALLOC_SCOPE void *JPH_ALLOC_FN(AlignedAllocate)(size_t inSize, size_t inAlignment)
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{
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JPH_ASSERT(inSize > 0 && inAlignment > 0);
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#if defined(JPH_PLATFORM_WINDOWS)
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// Microsoft doesn't implement posix_memalign
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return _aligned_malloc(inSize, inAlignment);
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#else
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void *block = nullptr;
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JPH_SUPPRESS_WARNING_PUSH
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JPH_GCC_SUPPRESS_WARNING("-Wunused-result")
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JPH_CLANG_SUPPRESS_WARNING("-Wunused-result")
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posix_memalign(&block, inAlignment, inSize);
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JPH_SUPPRESS_WARNING_POP
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return block;
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#endif
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}
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JPH_ALLOC_SCOPE void JPH_ALLOC_FN(AlignedFree)(void *inBlock)
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{
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#if defined(JPH_PLATFORM_WINDOWS)
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_aligned_free(inBlock);
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#else
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free(inBlock);
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#endif
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}
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#ifndef JPH_DISABLE_CUSTOM_ALLOCATOR
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AllocateFunction Allocate = nullptr;
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ReallocateFunction Reallocate = nullptr;
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FreeFunction Free = nullptr;
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AlignedAllocateFunction AlignedAllocate = nullptr;
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AlignedFreeFunction AlignedFree = nullptr;
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void RegisterDefaultAllocator()
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{
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Allocate = AllocateImpl;
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Reallocate = ReallocateImpl;
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Free = FreeImpl;
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AlignedAllocate = AlignedAllocateImpl;
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AlignedFree = AlignedFreeImpl;
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}
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#endif // JPH_DISABLE_CUSTOM_ALLOCATOR
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JPH_NAMESPACE_END
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