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Optimize managed memory allocations in Editor profiler

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This commit is contained in:
Wojtek Figat
2025-06-09 22:06:49 +02:00
parent 89c7f4b0a3
commit cfd2f42b0c
5 changed files with 49 additions and 13 deletions
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12
Source/Engine/Engine/NativeInterop.cs
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@@ -195,17 +195,19 @@ namespace FlaxEngine.Interop
/// </summary>
/// <typeparam name="T">Array element type.</typeparam>
/// <param name="ptrArray">Input array.</param>
/// <param name="buffer">Cached memory allocation buffer to use for the result (if size fits).</param>
/// <returns>Output array.</returns>
public static T[] GCHandleArrayToManagedArray<T>(ManagedArray ptrArray) where T : class
public static T[] GCHandleArrayToManagedArray<T>(ManagedArray ptrArray, T[] buffer = null) where T : class
{
Span<IntPtr> span = ptrArray.ToSpan<IntPtr>();
T[] managedArray = new T[ptrArray.Length];
for (int i = 0; i < managedArray.Length; i++)
if (buffer == null || buffer.Length < ptrArray.Length)
buffer = new T[ptrArray.Length];
for (int i = 0; i < ptrArray.Length; i++)
{
IntPtr ptr = span[i];
managedArray[i] = ptr != IntPtr.Zero ? (T)ManagedHandle.FromIntPtr(ptr).Target : default;
buffer[i] = ptr != IntPtr.Zero ? (T)ManagedHandle.FromIntPtr(ptr).Target : default;
}
return managedArray;
return buffer;
}
/// <summary>