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rsx: only allow trivially copyable types in simple_array

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Megamouse 2025-11-11 13:11:41 +01:00 committed by Elad
parent 510ed00b11
commit 5a761c7184
1 changed files with 6 additions and 19 deletions
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25
rpcs3/Emu/RSX/Common/simple_array.hpp
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@ -16,7 +16,7 @@ namespace rsx
}; };
template <typename Ty> template <typename Ty>
requires std::is_trivially_destructible_v<Ty> requires std::is_trivially_destructible_v<Ty> && std::is_trivially_copyable_v<Ty>
struct simple_array struct simple_array
{ {
public: public:
@ -178,24 +178,11 @@ namespace rsx
return; return;
} }
if constexpr (std::is_trivially_copyable_v<Ty>) // Use memcpy to allow compiler optimizations
{ Ty _stack_alloc[_local_capacity];
// Use memcpy to allow compiler optimizations std::memcpy(_stack_alloc, that._data, that.size_bytes());
Ty _stack_alloc[_local_capacity]; std::memcpy(that._data, _data, size_bytes());
std::memcpy(_stack_alloc, that._data, that.size_bytes()); std::memcpy(_data, _stack_alloc, that.size_bytes());
std::memcpy(that._data, _data, size_bytes());
std::memcpy(_data, _stack_alloc, that.size_bytes());
}
else
{
// Safe path: use element-wise std::swap
const usz count = std::max(size(), that.size());
for (usz i = 0; i < count; ++i)
{
std::swap(_data[i], that._data[i]);
}
}
std::swap(_size, that._size); std::swap(_size, that._size);
} }