feat: Use memcpy to copy data into aligned array.
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#pragma once
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#include "Core/Math/Boilerplate.h"
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namespace Phanes::Core::Math::SIMD
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{
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// Structure to conveniently align arrays.
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template<typename T, size_t L>
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struct alignas(sizeof(T) * 4) AlignedVec
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{
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public:
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T data[L];
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AlignedVec(const T* n_aligned_data)
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{
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for (size_t i = 0; i < L; ++i)
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{
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data[i] = n_aligned_data[i];
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}
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}
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const T* Get()
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{
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return data;
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}
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};
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}
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36
Engine/Source/Runtime/Core/Math/SIMD/Alignment.hpp
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36
Engine/Source/Runtime/Core/Math/SIMD/Alignment.hpp
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#pragma once
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#include <cstdlib>
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#include <cstring>
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#include <type_traits>
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namespace Phanes::Core::Math::SIMD
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{
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// Structure to conveniently align arrays.
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template <typename T, size_t L, size_t Align>
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struct alignas(Align) AlignedVec
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{
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public:
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static_assert(std::is_trivially_copyable_v<T>,
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"Alignment.hpp: AlignedVecSSE must be trivially copyable.");
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static_assert(Align >= alignof(T) && (Align & (Align - 1)) == 0,
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"Alignment.hpp: Alignment must be a power of two and >= alignof(T).");
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T data[L];
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explicit AlignedVec(const T* n_aligned_data)
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{
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std::memcpy(data, n_aligned_data, sizeof(T) * L);
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}
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const T* Get() const
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{
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return data;
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}
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};
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template <typename T, size_t L>
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using AlignedVecSSE = AlignedVec<T, L, 16>;
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template <typename T, size_t L>
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using AlignedVecAVX = AlignedVec<T, L, 32>;
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} // namespace Phanes::Core::Math::SIMD
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