diff options
Diffstat (limited to 'Source/Core/Common')
| -rw-r--r-- | Source/Core/Common/BitUtils.h | 47 |
1 files changed, 4 insertions, 43 deletions
diff --git a/Source/Core/Common/BitUtils.h b/Source/Core/Common/BitUtils.h index b20baa20f2..8b1b196c24 100644 --- a/Source/Core/Common/BitUtils.h +++ b/Source/Core/Common/BitUtils.h @@ -4,6 +4,7 @@ #pragma once #include <array> +#include <bit> #include <climits> #include <cstddef> #include <cstdint> @@ -166,50 +167,10 @@ inline auto BitCastPtr(PtrType* ptr) noexcept -> BitCastPtrType<T, PtrType> } // Similar to BitCastPtr, but specifically for aliasing structs to arrays. -template <typename ArrayType, typename T, - typename Container = std::array<ArrayType, sizeof(T) / sizeof(ArrayType)>> -inline auto BitCastToArray(const T& obj) noexcept -> Container +template <typename ValueType, typename From> +[[nodiscard]] constexpr auto BitCastToArray(const From& obj) noexcept { - static_assert(sizeof(T) % sizeof(ArrayType) == 0, - "Size of array type must be a factor of size of source type."); - static_assert(std::is_trivially_copyable<T>(), - "BitCastToArray source type must be trivially copyable."); - static_assert(std::is_trivially_copyable<Container>(), - "BitCastToArray array type must be trivially copyable."); - - Container result; - std::memcpy(result.data(), &obj, sizeof(T)); - return result; -} - -template <typename ArrayType, typename T, - typename Container = std::array<ArrayType, sizeof(T) / sizeof(ArrayType)>> -inline void BitCastFromArray(const Container& array, T& obj) noexcept -{ - static_assert(sizeof(T) % sizeof(ArrayType) == 0, - "Size of array type must be a factor of size of destination type."); - static_assert(std::is_trivially_copyable<Container>(), - "BitCastFromArray array type must be trivially copyable."); - static_assert(std::is_trivially_copyable<T>(), - "BitCastFromArray destination type must be trivially copyable."); - - std::memcpy(&obj, array.data(), sizeof(T)); -} - -template <typename ArrayType, typename T, - typename Container = std::array<ArrayType, sizeof(T) / sizeof(ArrayType)>> -inline auto BitCastFromArray(const Container& array) noexcept -> T -{ - static_assert(sizeof(T) % sizeof(ArrayType) == 0, - "Size of array type must be a factor of size of destination type."); - static_assert(std::is_trivially_copyable<Container>(), - "BitCastFromArray array type must be trivially copyable."); - static_assert(std::is_trivially_copyable<T>(), - "BitCastFromArray destination type must be trivially copyable."); - - T obj; - std::memcpy(&obj, array.data(), sizeof(T)); - return obj; + return std::bit_cast<std::array<ValueType, sizeof(From) / sizeof(ValueType)>>(obj); } template <typename T> |
