From 5e3018817cb47f66ca5df56110e4e9daba40b061 Mon Sep 17 00:00:00 2001
From: Ari Vuollet <ari.vuollet@kapsi.fi>
Date: Mon, 14 Aug 2023 18:24:53 +0300
Subject: [PATCH] Fix marshalling issue with PostFxMaterialSettings Materials

---
 Source/Tools/Flax.Build/Bindings/BindingsGenerator.CSharp.cs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Source/Tools/Flax.Build/Bindings/BindingsGenerator.CSharp.cs b/Source/Tools/Flax.Build/Bindings/BindingsGenerator.CSharp.cs
index fc3e6a534..f399dd67c 100644
--- a/Source/Tools/Flax.Build/Bindings/BindingsGenerator.CSharp.cs
+++ b/Source/Tools/Flax.Build/Bindings/BindingsGenerator.CSharp.cs
@@ -1596,7 +1596,9 @@ namespace Flax.Build.Bindings
                                 toManagedContent.Append($"managed.{fieldInfo.Name} != IntPtr.Zero ? NativeInterop.GCHandleArrayToManagedArray<{originalElementType}>(Unsafe.As<ManagedArray>(ManagedHandle.FromIntPtr(managed.{fieldInfo.Name}).Target)) : null");
                                 toNativeContent.Append($"managed.{fieldInfo.Name}?.Length > 0 ? ManagedHandle.ToIntPtr(NativeInterop.ManagedArrayToGCHandleWrappedArray(managed.{fieldInfo.Name}), GCHandleType.Weak) : IntPtr.Zero");
                                 freeContents.AppendLine($"if (unmanaged.{fieldInfo.Name} != IntPtr.Zero) {{ ManagedHandle handle = ManagedHandle.FromIntPtr(unmanaged.{fieldInfo.Name}); Span<IntPtr> ptrs = (Unsafe.As<ManagedArray>(handle.Target)).ToSpan<IntPtr>(); foreach (var ptr in ptrs) {{ if (ptr != IntPtr.Zero) {{ ManagedHandle.FromIntPtr(ptr).Free(); }} }} (Unsafe.As<ManagedArray>(handle.Target)).Free(); handle.Free(); }}");
-                                freeContents2.AppendLine($"if (unmanaged.{fieldInfo.Name} != IntPtr.Zero) {{ ManagedHandle handle = ManagedHandle.FromIntPtr(unmanaged.{fieldInfo.Name}); Span<IntPtr> ptrs = (Unsafe.As<ManagedArray>(handle.Target)).ToSpan<IntPtr>(); foreach (var ptr in ptrs) {{ if (ptr != IntPtr.Zero) {{ ManagedHandle.FromIntPtr(ptr).Free(); }} }} (Unsafe.As<ManagedArray>(handle.Target)).Free(); handle.Free(); }}");
+
+                                // Permanent ScriptingObject handle is passed from native side, do not release it
+                                //freeContents2.AppendLine($"if (unmanaged.{fieldInfo.Name} != IntPtr.Zero) {{ ManagedHandle handle = ManagedHandle.FromIntPtr(unmanaged.{fieldInfo.Name}); Span<IntPtr> ptrs = (Unsafe.As<ManagedArray>(handle.Target)).ToSpan<IntPtr>(); foreach (var ptr in ptrs) {{ if (ptr != IntPtr.Zero) {{ ManagedHandle.FromIntPtr(ptr).Free(); }} }} (Unsafe.As<ManagedArray>(handle.Target)).Free(); handle.Free(); }}");
                             }
                             else
                             {