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// Copyright Epic Games, Inc. All Rights Reserved.
#include <zencore/except.h>
#include <zencore/fmtutils.h>
#include <zencore/intmath.h>
#include <zencore/memory.h>
#include <zencore/testing.h>
#include <zencore/zencore.h>
#include <cstdlib>
#if ZEN_USE_MIMALLOC
ZEN_THIRD_PARTY_INCLUDES_START
# include <mimalloc.h>
ZEN_THIRD_PARTY_INCLUDES_END
#endif
namespace zen {
//////////////////////////////////////////////////////////////////////////
static void*
AlignedAllocImpl(size_t Size, size_t Alignment)
{
// aligned_alloc() states that size must be a multiple of alignment. Some
// platforms return null if this requirement isn't met.
Size = (Size + Alignment - 1) & ~(Alignment - 1);
#if ZEN_USE_MIMALLOC
return mi_aligned_alloc(Alignment, Size);
#elif ZEN_PLATFORM_WINDOWS
return _aligned_malloc(Size, Alignment);
#else
return std::aligned_alloc(Alignment, Size);
#endif
}
void
AlignedFreeImpl(void* ptr)
{
if (ptr == nullptr)
return;
#if ZEN_USE_MIMALLOC
return mi_free(ptr);
#elif ZEN_PLATFORM_WINDOWS
_aligned_free(ptr);
#else
std::free(ptr);
#endif
}
//////////////////////////////////////////////////////////////////////////
void*
Memory::Alloc(size_t Size, size_t Alignment)
{
return AlignedAllocImpl(Size, Alignment);
}
void
Memory::Free(void* ptr)
{
AlignedFreeImpl(ptr);
}
//////////////////////////////////////////////////////////////////////////
//
// Unit tests
//
#if ZEN_WITH_TESTS
TEST_CASE("MemoryView")
{
{
uint8_t Array1[16] = {};
MemoryView View1 = MakeMemoryView(Array1);
CHECK(View1.GetSize() == 16);
}
{
uint32_t Array2[16] = {};
MemoryView View2 = MakeMemoryView(Array2);
CHECK(View2.GetSize() == 64);
}
CHECK(MakeMemoryView<float>({1.0f, 1.2f}).GetSize() == 8);
}
void
memory_forcelink()
{
}
#endif
} // namespace zen
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