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rsx/util: Support basic array merge

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kd-11 2025-06-15 22:04:57 +03:00 • committed by kd-11
parent 3a65359d59
commit bb1c0a5eee
2 changed files with 32 additions and 0 deletions
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7
rpcs3/Emu/RSX/Common/simple_array.hpp
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@ -285,6 +285,13 @@ namespace rsx
return pos;
}
void operator += (const rsx::simple_array<Ty>& that)
{
const auto old_size = _size;
resize(_size + that._size);
std::memcpy(data() + old_size, that.data(), that.size_bytes());
}
void clear()
{
_size = 0;

25
rpcs3/tests/test_simple_array.cpp
View file

@ -189,4 +189,29 @@ namespace rsx
EXPECT_EQ(arr[i], i + 1);
}
}
TEST(SimpleArray, Merge)
{
rsx::simple_array<int> arr{ 1 };
rsx::simple_array<int> arr2{ 2, 3, 4, 5, 6, 7, 8, 9 };
rsx::simple_array<int> arr3{ 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30 };
// Check small vector optimization
EXPECT_TRUE(arr.is_local_storage());
// Small vector optimization holds after append
arr += arr2;
EXPECT_TRUE(arr.is_local_storage());
// Exceed the boundary and we move into dynamic alloc
arr += arr3;
EXPECT_FALSE(arr.is_local_storage());
// Verify contents
EXPECT_EQ(arr.size(), 30);
for (int i = 0; i < 30; ++i)
{
EXPECT_EQ(arr[i], i + 1);
}
}
}