feat: working implementation of multiple widgets on macos

thermion_dart/lib/src/viewer/src/ffi/src/ffi_view.dart

@@ -39,4 +39,18 @@ class FFIView extends View {
     final engine = Viewer_getEngine(viewer);
     return FFICamera(View_getCamera(view), engine);
   }
+
+  @override
+  Future setAntiAliasing(bool msaa, bool fxaa, bool taa) async {
+    View_setAntiAliasing(view, msaa, fxaa, taa);
+  }
+
+  @override
+  Future setPostProcessing(bool enabled) async {
+    View_setPostProcessing(view, enabled);
+  }
+
+  Future setRenderable(bool renderable) async {
+    Viewer_markViewRenderable(viewer, view, renderable);
+  }
 }

thermion_dart/lib/src/viewer/src/ffi/src/thermion_dart.g.dart

@@ -65,7 +65,6 @@ external void Viewer_destroySwapChain(
 @ffi.Native<
     ffi.Bool Function(
         ffi.Pointer<TViewer>,
-        ffi.Pointer<TView>,
         ffi.Pointer<TSwapChain>,
         ffi.Uint64,
         ffi.Pointer<ffi.Void>,
@@ -76,7 +75,6 @@ external void Viewer_destroySwapChain(
         ffi.Pointer<ffi.Void>)>(isLeaf: true)
 external bool Viewer_render(
   ffi.Pointer<TViewer> viewer,
-  ffi.Pointer<TView> view,
   ffi.Pointer<TSwapChain> swapChain,
   int frameTimeInNanos,
   ffi.Pointer<ffi.Void> pixelBuffer,
@@ -146,6 +144,15 @@ external ffi.Pointer<TSwapChain> Viewer_getSwapChainAt(
   int index,
 );
 
+@ffi.Native<
+    ffi.Void Function(
+        ffi.Pointer<TViewer>, ffi.Pointer<TView>, ffi.Bool)>(isLeaf: true)
+external void Viewer_markViewRenderable(
+  ffi.Pointer<TViewer> viewer,
+  ffi.Pointer<TView> view,
+  bool renderable,
+);
+
 @ffi.Native<ffi.Pointer<TEngine> Function(ffi.Pointer<TViewer>)>(isLeaf: true)
 external ffi.Pointer<TEngine> Viewer_getEngine(
   ffi.Pointer<TViewer> viewer,
@@ -1451,6 +1458,15 @@ external void Viewer_captureRenderTargetRenderThread(
   ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>> onComplete,
 );
 
+@ffi.Native<
+    ffi.Void Function(ffi.Pointer<TViewer>, ffi.Pointer<TSwapChain>,
+        ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>>)>(isLeaf: true)
+external void Viewer_requestFrameRenderThread(
+  ffi.Pointer<TViewer> viewer,
+  ffi.Pointer<TSwapChain> tSwapChain,
+  ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>> onComplete,
+);
+
 @ffi.Native<ffi.Void Function(ffi.Pointer<TViewer>)>(isLeaf: true)
 external void destroy_filament_viewer_render_thread(
   ffi.Pointer<TViewer> viewer,
@@ -1471,19 +1487,6 @@ external void set_rendering_render_thread(
   ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>> onComplete,
 );
 
-@ffi.Native<
-    ffi.Void Function(
-        ffi.Pointer<TViewer>,
-        ffi.Pointer<TView>,
-        ffi.Pointer<TSwapChain>,
-        ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>>)>(isLeaf: true)
-external void Viewer_requestFrameRenderThread(
-  ffi.Pointer<TViewer> viewer,
-  ffi.Pointer<TView> view,
-  ffi.Pointer<TSwapChain> tSwapChain,
-  ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>> onComplete,
-);
-
 @ffi.Native<ffi.Void Function(ffi.Pointer<TViewer>, ffi.Float)>(isLeaf: true)
 external void set_frame_interval_render_thread(
   ffi.Pointer<TViewer> viewer,
@@ -1888,14 +1891,25 @@ external void View_setBloom(
 );
 
 @ffi.Native<
-    ffi.Void Function(
-        ffi.Pointer<TView>, ffi.Pointer<TEngine>, ffi.Int32)>(isLeaf: true)
-external void View_setToneMapping(
+    ffi.Void Function(ffi.Pointer<TView>, ffi.Pointer<TEngine>,
+        ffi.UnsignedInt)>(symbol: "View_setToneMapping", isLeaf: true)
+external void _View_setToneMapping(
   ffi.Pointer<TView> tView,
   ffi.Pointer<TEngine> tEngine,
   int toneMapping,
 );
 
+void View_setToneMapping(
+  ffi.Pointer<TView> tView,
+  ffi.Pointer<TEngine> tEngine,
+  ToneMapping toneMapping,
+) =>
+    _View_setToneMapping(
+      tView,
+      tEngine,
+      toneMapping.value,
+    );
+
 @ffi.Native<
     ffi.Void Function(
         ffi.Pointer<TView>, ffi.Bool, ffi.Bool, ffi.Bool)>(isLeaf: true)
@@ -2224,10 +2238,20 @@ final class TViewport extends ffi.Struct {
   external int height;
 }
 
-abstract class ToneMapping {
-  static const int ACES = 0;
-  static const int FILMIC = 1;
-  static const int LINEAR = 2;
+enum ToneMapping {
+  ACES(0),
+  FILMIC(1),
+  LINEAR(2);
+
+  final int value;
+  const ToneMapping(this.value);
+
+  static ToneMapping fromValue(int value) => switch (value) {
+        0 => ACES,
+        1 => FILMIC,
+        2 => LINEAR,
+        _ => throw ArgumentError("Unknown value for ToneMapping: $value"),
+      };
 }
 
 typedef GizmoPickCallback

thermion_dart/lib/src/viewer/src/ffi/src/thermion_viewer_ffi.dart

@@ -2040,10 +2040,8 @@ class ThermionViewerFFI extends ThermionViewer {
     });
 
     final swapChain = Viewer_getSwapChainAt(_viewer!, 0);
-    final view = Viewer_getViewAt(_viewer!, 0);
 
-    Viewer_requestFrameRenderThread(
-        _viewer!, view, swapChain, callback.nativeFunction);
+    Viewer_requestFrameRenderThread(_viewer!,      swapChain, callback.nativeFunction);
 
     await completer.future;
   }

thermion_dart/lib/src/viewer/src/shared_types/shared_types.dart

@@ -1,6 +1,7 @@
 library shared_types;
 
 export 'swap_chain.dart';
+export 'view.dart';
 export 'render_target.dart';
 export 'camera.dart';
 export 'material.dart';

thermion_dart/lib/src/viewer/src/shared_types/view.dart

@@ -15,4 +15,7 @@ abstract class View {
   Future setRenderTarget(covariant RenderTarget? renderTarget);
   Future setCamera(covariant Camera camera);
   Camera getCamera();
+  Future setPostProcessing(bool enabled);
+  Future setAntiAliasing(bool msaa, bool fxaa, bool taa);
+  Future setRenderable(bool renderable);
 }