diff options
Diffstat (limited to 'modules/mono/glue/GodotSharp/GodotPlugins')
3 files changed, 48 insertions, 11 deletions
diff --git a/modules/mono/glue/GodotSharp/GodotPlugins/GodotPlugins.csproj b/modules/mono/glue/GodotSharp/GodotPlugins/GodotPlugins.csproj index e720d3878c..e58d730ee3 100644 --- a/modules/mono/glue/GodotSharp/GodotPlugins/GodotPlugins.csproj +++ b/modules/mono/glue/GodotSharp/GodotPlugins/GodotPlugins.csproj @@ -8,6 +8,7 @@ <!-- To generate the .runtimeconfig.json file--> <EnableDynamicLoading>true</EnableDynamicLoading> + <RollForward>LatestMajor</RollForward> </PropertyGroup> <ItemGroup> diff --git a/modules/mono/glue/GodotSharp/GodotPlugins/Main.cs b/modules/mono/glue/GodotSharp/GodotPlugins/Main.cs index 8308bada24..2a72b7c53e 100644 --- a/modules/mono/glue/GodotSharp/GodotPlugins/Main.cs +++ b/modules/mono/glue/GodotSharp/GodotPlugins/Main.cs @@ -28,17 +28,24 @@ namespace GodotPlugins get => _pluginLoadContext?.AssemblyLoadedPath; } + public bool IsCollectible + { + [MethodImpl(MethodImplOptions.NoInlining)] + get => _pluginLoadContext?.IsCollectible ?? false; + } + [MethodImpl(MethodImplOptions.NoInlining)] public static (Assembly, PluginLoadContextWrapper) CreateAndLoadFromAssemblyName( AssemblyName assemblyName, string pluginPath, ICollection<string> sharedAssemblies, - AssemblyLoadContext mainLoadContext + AssemblyLoadContext mainLoadContext, + bool isCollectible ) { var wrapper = new PluginLoadContextWrapper(); wrapper._pluginLoadContext = new PluginLoadContext( - pluginPath, sharedAssemblies, mainLoadContext); + pluginPath, sharedAssemblies, mainLoadContext, isCollectible); var assembly = wrapper._pluginLoadContext.LoadFromAssemblyName(assemblyName); return (assembly, wrapper); } @@ -58,9 +65,10 @@ namespace GodotPlugins } private static readonly List<AssemblyName> SharedAssemblies = new(); - private static readonly Assembly CoreApiAssembly = typeof(Godot.Object).Assembly; + private static readonly Assembly CoreApiAssembly = typeof(global::Godot.GodotObject).Assembly; private static Assembly? _editorApiAssembly; private static PluginLoadContextWrapper? _projectLoadContext; + private static bool _editorHint = false; private static readonly AssemblyLoadContext MainLoadContext = AssemblyLoadContext.GetLoadContext(Assembly.GetExecutingAssembly()) ?? @@ -77,15 +85,17 @@ namespace GodotPlugins { try { + _editorHint = editorHint.ToBool(); + _dllImportResolver = new GodotDllImportResolver(godotDllHandle).OnResolveDllImport; SharedAssemblies.Add(CoreApiAssembly.GetName()); NativeLibrary.SetDllImportResolver(CoreApiAssembly, _dllImportResolver); - AlcReloadCfg.Configure(alcReloadEnabled: editorHint.ToBool()); + AlcReloadCfg.Configure(alcReloadEnabled: _editorHint); NativeFuncs.Initialize(unmanagedCallbacks, unmanagedCallbacksSize); - if (editorHint.ToBool()) + if (_editorHint) { _editorApiAssembly = Assembly.Load("GodotSharpEditor"); SharedAssemblies.Add(_editorApiAssembly.GetName()); @@ -128,7 +138,7 @@ namespace GodotPlugins string assemblyPath = new(nAssemblyPath); - (var projectAssembly, _projectLoadContext) = LoadPlugin(assemblyPath); + (var projectAssembly, _projectLoadContext) = LoadPlugin(assemblyPath, isCollectible: _editorHint); string loadedAssemblyPath = _projectLoadContext.AssemblyLoadedPath ?? assemblyPath; *outLoadedAssemblyPath = Marshaling.ConvertStringToNative(loadedAssemblyPath); @@ -155,7 +165,7 @@ namespace GodotPlugins if (_editorApiAssembly == null) throw new InvalidOperationException("The Godot editor API assembly is not loaded."); - var (assembly, _) = LoadPlugin(assemblyPath); + var (assembly, _) = LoadPlugin(assemblyPath, isCollectible: _editorHint); NativeLibrary.SetDllImportResolver(assembly, _dllImportResolver!); @@ -180,7 +190,7 @@ namespace GodotPlugins } } - private static (Assembly, PluginLoadContextWrapper) LoadPlugin(string assemblyPath) + private static (Assembly, PluginLoadContextWrapper) LoadPlugin(string assemblyPath, bool isCollectible) { string assemblyName = Path.GetFileNameWithoutExtension(assemblyPath); @@ -194,7 +204,7 @@ namespace GodotPlugins } return PluginLoadContextWrapper.CreateAndLoadFromAssemblyName( - new AssemblyName(assemblyName), assemblyPath, sharedAssemblies, MainLoadContext); + new AssemblyName(assemblyName), assemblyPath, sharedAssemblies, MainLoadContext, isCollectible); } [UnmanagedCallersOnly] @@ -218,6 +228,12 @@ namespace GodotPlugins if (pluginLoadContext == null) return true; + if (!pluginLoadContext.IsCollectible) + { + Console.Error.WriteLine("Cannot unload a non-collectible assembly load context."); + return false; + } + Console.WriteLine("Unloading assembly load context..."); var alcWeakReference = pluginLoadContext.CreateWeakReference(); diff --git a/modules/mono/glue/GodotSharp/GodotPlugins/PluginLoadContext.cs b/modules/mono/glue/GodotSharp/GodotPlugins/PluginLoadContext.cs index dcd572c65e..93baf4e51c 100644 --- a/modules/mono/glue/GodotSharp/GodotPlugins/PluginLoadContext.cs +++ b/modules/mono/glue/GodotSharp/GodotPlugins/PluginLoadContext.cs @@ -15,12 +15,32 @@ namespace GodotPlugins public string? AssemblyLoadedPath { get; private set; } public PluginLoadContext(string pluginPath, ICollection<string> sharedAssemblies, - AssemblyLoadContext mainLoadContext) - : base(isCollectible: true) + AssemblyLoadContext mainLoadContext, bool isCollectible) + : base(isCollectible) { _resolver = new AssemblyDependencyResolver(pluginPath); _sharedAssemblies = sharedAssemblies; _mainLoadContext = mainLoadContext; + + if (string.IsNullOrEmpty(AppContext.BaseDirectory)) + { + // See https://github.com/dotnet/runtime/blob/v6.0.0/src/libraries/System.Private.CoreLib/src/System/AppContext.AnyOS.cs#L17-L35 + // but Assembly.Location is unavailable, because we load assemblies from memory. + string? baseDirectory = Path.GetDirectoryName(pluginPath); + if (baseDirectory != null) + { + if (!Path.EndsInDirectorySeparator(baseDirectory)) + baseDirectory += Path.DirectorySeparatorChar; + // This SetData call effectively sets AppContext.BaseDirectory + // See https://github.com/dotnet/runtime/blob/v6.0.0/src/libraries/System.Private.CoreLib/src/System/AppContext.cs#L21-L25 + AppDomain.CurrentDomain.SetData("APP_CONTEXT_BASE_DIRECTORY", baseDirectory); + } + else + { + // TODO: How to log from GodotPlugins? (delegate pointer?) + Console.Error.WriteLine("Failed to set AppContext.BaseDirectory. Dynamic loading of libraries may fail."); + } + } } protected override Assembly? Load(AssemblyName assemblyName) |