use render thread methods for Texture/Image/TextureSampler

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

@@ -71,6 +71,21 @@ Future<int> withIntCallback(
   return completer.future;
 }
 
+Future<int> withUInt32Callback(
+    Function(Pointer<NativeFunction<Void Function(Uint32)>>) func) async {
+  final completer = Completer<int>();
+  // ignore: prefer_function_declarations_over_variables
+  void Function(int) callback = (int result) {
+    completer.complete(result);
+  };
+  final nativeCallable =
+      NativeCallable<Void Function(Uint32)>.listener(callback);
+  func.call(nativeCallable.nativeFunction);
+  await completer.future;
+  nativeCallable.close();
+  return completer.future;
+}
+
 Future<String> withCharPtrCallback(
     Function(Pointer<NativeFunction<Void Function(Pointer<Char>)>>)
         func) async {

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

@@ -9,26 +9,32 @@ class FFITexture extends Texture {
 
   FFITexture(this._engine, this.pointer);
 
-  Future setLinearImage(covariant FFILinearImage image, PixelDataFormat format,
+  Future<void> setLinearImage(covariant FFILinearImage image, PixelDataFormat format,
       PixelDataType type) async {
-    final result = Texture_loadImage(
+    final result = await withBoolCallback((cb) {
+      Texture_loadImageRenderThread(
         _engine,
         pointer,
         image.pointer,
         TPixelDataFormat.values[format.index],
-        TPixelDataType.values[type.index]);
+        TPixelDataType.values[type.index],
+        cb);
+    });
+    
     if (!result) {
       throw Exception("Failed to set linear image");
     }
   }
 
   @override
-  Future dispose() async {
+  Future<void> dispose() async {
-    Engine_destroyTexture(_engine, pointer);
+    await withVoidCallback((cb) {
+      Engine_destroyTextureRenderThread(_engine, pointer, cb);
+    });
   }
 
   @override
-  Future generateMipmaps() {
+  Future<void> generateMipmaps() {
     // TODO: implement generateMipmaps
     throw UnimplementedError();
   }
@@ -70,15 +76,16 @@ class FFITexture extends Texture {
   }
 
   @override
-  Future setExternalImage(externalImage) {
+  Future<void> setExternalImage(externalImage) {
     // TODO: implement setExternalImage
     throw UnimplementedError();
   }
 
   @override
-  Future setImage(int level, Uint8List buffer, int width, int height,
+  Future<void> setImage(int level, Uint8List buffer, int width, int height,
       int channels, PixelDataFormat format, PixelDataType type) async {
-    final success = Texture_setImage(
+    final success = await withBoolCallback((cb) {
+      Texture_setImageRenderThread(
         _engine,
         pointer,
         level,
@@ -88,14 +95,17 @@ class FFITexture extends Texture {
         height,
         channels,
         format.index,
-        type.index);
+        type.index,
+        cb);
+    });
+    
     if (!success) {
       throw Exception("Failed to set image");
     }
   }
 
   @override
-  Future setImage3D(
+  Future<void> setImage3D(
       int level,
       int xOffset,
       int yOffset,
@@ -111,7 +121,7 @@ class FFITexture extends Texture {
   }
 
   @override
-  Future setSubImage(int level, int xOffset, int yOffset, int width, int height,
+  Future<void> setSubImage(int level, int xOffset, int yOffset, int width, int height,
       Uint8List buffer, PixelDataFormat format, PixelDataType type) {
     // TODO: implement setSubImage
     throw UnimplementedError();
@@ -123,23 +133,53 @@ class FFILinearImage extends LinearImage {
 
   FFILinearImage(this.pointer);
 
-  Future destroy() async {
+  static Future<FFILinearImage> createEmpty(int width, int height, int channels) async {
-    Image_destroy(this.pointer);
+    final imagePtr = await withPointerCallback<TLinearImage>((cb) {
+      Image_createEmptyRenderThread(width, height, channels, cb);
+    });
+    
+    return FFILinearImage(imagePtr);
+  }
+  
+  static Future<FFILinearImage> decode(Uint8List data, [String name = "image"]) async {
+    final namePtr = name.toNativeUtf8();
+    
+    try {
+      final imagePtr = await withPointerCallback<TLinearImage>((cb) {
+        Image_decodeRenderThread(data.address, data.lengthInBytes, namePtr.cast(), cb);
+      });
+      
+      return FFILinearImage(imagePtr);
+    } finally {
+      calloc.free(namePtr);
+    }
+  }
+
+  Future<void> destroy() async {
+    await withVoidCallback((cb) {
+      Image_destroyRenderThread(this.pointer, cb);
+    });
   }
 
   @override
   Future<int> getChannels() async {
-    return Image_getChannels(pointer);
+    return await withUInt32Callback((cb) {
+      Image_getChannelsRenderThread(pointer, cb);
+    });
   }
 
   @override
   Future<int> getHeight() async {
-    return Image_getHeight(pointer);
+    return await withUInt32Callback((cb) {
+      Image_getHeightRenderThread(pointer, cb);
+    });
   }
 
   @override
   Future<int> getWidth() async {
-    return Image_getWidth(pointer);
+    return await withUInt32Callback((cb) {
+      Image_getWidthRenderThread(pointer, cb);
+    });
   }
 
   @override
@@ -147,7 +187,128 @@ class FFILinearImage extends LinearImage {
     final height = await getHeight();
     final width = await getWidth();
     final channels = await getChannels();
-    final ptr = Image_getBytes(pointer);
+    
+    final ptr = await withPointerCallback<Float>((cb) {
+      Image_getBytesRenderThread(pointer, cb);
+    });
+    
     return ptr.asTypedList(height * width * channels);
   }
 }
+
+// Add these to access TextureSampler functionality:
+
+class FFITextureSampler extends TextureSampler {
+  final Pointer<TTextureSampler> pointer;
+
+  FFITextureSampler(this.pointer);
+
+  static Future<FFITextureSampler> create() async {
+    final samplerPtr = await withPointerCallback<TTextureSampler>((cb) {
+      TextureSampler_createRenderThread(cb);
+    });
+    
+    return FFITextureSampler(samplerPtr);
+  }
+
+  // static Future<FFITextureSampler> createWithFiltering(
+  //     SamplerMinFilter minFilter,
+  //     SamplerMagFilter magFilter,
+  //     SamplerWrapMode wrapS,
+  //     SamplerWrapMode wrapT,
+  //     SamplerWrapMode wrapR) async {
+  //   final samplerPtr = await withPointerCallback<TTextureSampler>((cb) {
+  //     TextureSampler_createWithFilteringRenderThread(
+  //       TSamplerMinFilter.values[minFilter.index],
+  //       TSamplerMagFilter.values[magFilter.index],
+  //       TSamplerWrapMode.values[wrapS.index],
+  //       TSamplerWrapMode.values[wrapT.index],
+  //       TSamplerWrapMode.values[wrapR.index],
+  //       cb);
+  //   });
+    
+  //   return FFITextureSampler(samplerPtr);
+  // }
+
+  // static Future<FFITextureSampler> createWithComparison(
+  //     SamplerCompareMode compareMode,
+  //     SamplerCompareFunc compareFunc) async {
+  //   final samplerPtr = await withPointerCallback<TTextureSampler>((cb) {
+  //     TextureSampler_createWithComparisonRenderThread(
+  //       TSamplerCompareMode.values[compareMode.index],
+  //       TTextureSamplerCompareFunc.values[compareFunc.index],
+  //       cb);
+  //   });
+    
+  //   return FFITextureSampler(samplerPtr);
+  // }
+
+  // Future<void> setMinFilter(SamplerMinFilter filter) async {
+  //   await withVoidCallback((cb) {
+  //     TextureSampler_setMinFilterRenderThread(
+  //       pointer, 
+  //       TSamplerMinFilter.values[filter.index], 
+  //       cb);
+  //   });
+  // }
+
+  // Future<void> setMagFilter(SamplerMagFilter filter) async {
+  //   await withVoidCallback((cb) {
+  //     TextureSampler_setMagFilterRenderThread(
+  //       pointer, 
+  //       TSamplerMagFilter.values[filter.index], 
+  //       cb);
+  //   });
+  // }
+
+  // Future<void> setWrapModeS(SamplerWrapMode mode) async {
+  //   await withVoidCallback((cb) {
+  //     TextureSampler_setWrapModeSRenderThread(
+  //       pointer, 
+  //       TSamplerWrapMode.values[mode.index], 
+  //       cb);
+  //   });
+  // }
+
+  // Future<void> setWrapModeT(SamplerWrapMode mode) async {
+  //   await withVoidCallback((cb) {
+  //     TextureSampler_setWrapModeTRenderThread(
+  //       pointer, 
+  //       TSamplerWrapMode.values[mode.index], 
+  //       cb);
+  //   });
+  // }
+
+  // Future<void> setWrapModeR(SamplerWrapMode mode) async {
+  //   await withVoidCallback((cb) {
+  //     TextureSampler_setWrapModeRRenderThread(
+  //       pointer, 
+  //       TSamplerWrapMode.values[mode.index], 
+  //       cb);
+  //   });
+  // }
+
+  Future<void> setAnisotropy(double anisotropy) async {
+    await withVoidCallback((cb) {
+      TextureSampler_setAnisotropyRenderThread(pointer, anisotropy, cb);
+    });
+  }
+
+  // Future<void> setCompareMode(
+  //     SamplerCompareMode mode, SamplerCompareFunc func) async {
+  //   await withVoidCallback((cb) {
+  //     TextureSampler_setCompareModeRenderThread(
+  //       pointer,
+  //       TSamplerCompareMode.values[mode.index],
+  //       TTextureSamplerCompareFunc.values[func.index],
+  //       cb);
+  //   });
+  // }
+  
+  @override
+  Future dispose() async {
+    await withVoidCallback((cb) {
+      TextureSampler_destroyRenderThread(pointer, cb);
+    });
+  }
+}

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

@@ -663,14 +663,6 @@ external void get_bounding_box_to_out(
   ffi.Pointer<ffi.Float> maxY,
 );
 
-@ffi.Native<
-    ffi.Void Function(
-        ffi.Pointer<TSceneManager>, ffi.Pointer<ffi.Void>)>(isLeaf: true)
-external void destroy_texture(
-  ffi.Pointer<TSceneManager> sceneManager,
-  ffi.Pointer<ffi.Void> texture,
-);
-
 @ffi.Native<TViewport Function(ffi.Pointer<TView>)>(isLeaf: true)
 external TViewport View_getViewport(
   ffi.Pointer<TView> view,
@@ -1657,6 +1649,15 @@ void Engine_buildTextureRenderThread(
       onComplete,
     );
 
+@ffi.Native<
+    ffi.Void Function(ffi.Pointer<TEngine>, ffi.Pointer<TTexture>,
+        ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>>)>(isLeaf: true)
+external void Engine_destroyTextureRenderThread(
+  ffi.Pointer<TEngine> engine,
+  ffi.Pointer<TTexture> tTexture,
+  ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>> onComplete,
+);
+
 @ffi.Native<
     ffi.Void Function(
         ffi.Pointer<TMaterial>,
@@ -2101,6 +2102,392 @@ external void AnimationManager_setMorphTargetWeightsRenderThread(
   ffi.Pointer<ffi.NativeFunction<ffi.Void Function(ffi.Bool)>> callback,
 );
 
+@ffi.Native<
+    ffi.Void Function(
+        ffi.Uint32,
+        ffi.Uint32,
+        ffi.Uint32,
+        ffi.Pointer<
+            ffi.NativeFunction<
+                ffi.Void Function(ffi.Pointer<TLinearImage>)>>)>(isLeaf: true)
+external void Image_createEmptyRenderThread(
+  int width,
+  int height,
+  int channel,
+  ffi.Pointer<ffi.NativeFunction<ffi.Void Function(ffi.Pointer<TLinearImage>)>>
+      onComplete,
+);
+
+@ffi.Native<
+    ffi.Void Function(
+        ffi.Pointer<ffi.Uint8>,
+        ffi.Size,
+        ffi.Pointer<ffi.Char>,
+        ffi.Pointer<
+            ffi.NativeFunction<
+                ffi.Void Function(ffi.Pointer<TLinearImage>)>>)>(isLeaf: true)
+external void Image_decodeRenderThread(
+  ffi.Pointer<ffi.Uint8> data,
+  int length,
+  ffi.Pointer<ffi.Char> name,
+  ffi.Pointer<ffi.NativeFunction<ffi.Void Function(ffi.Pointer<TLinearImage>)>>
+      onComplete,
+);
+
+@ffi.Native<
+        ffi.Void Function(
+            ffi.Pointer<TLinearImage>,
+            ffi.Pointer<
+                ffi
+                .NativeFunction<ffi.Void Function(ffi.Pointer<ffi.Float>)>>)>(
+    isLeaf: true)
+external void Image_getBytesRenderThread(
+  ffi.Pointer<TLinearImage> tLinearImage,
+  ffi.Pointer<ffi.NativeFunction<ffi.Void Function(ffi.Pointer<ffi.Float>)>>
+      onComplete,
+);
+
+@ffi.Native<
+    ffi.Void Function(ffi.Pointer<TLinearImage>,
+        ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>>)>(isLeaf: true)
+external void Image_destroyRenderThread(
+  ffi.Pointer<TLinearImage> tLinearImage,
+  ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>> onComplete,
+);
+
+@ffi.Native<
+        ffi.Void Function(ffi.Pointer<TLinearImage>,
+            ffi.Pointer<ffi.NativeFunction<ffi.Void Function(ffi.Uint32)>>)>(
+    isLeaf: true)
+external void Image_getWidthRenderThread(
+  ffi.Pointer<TLinearImage> tLinearImage,
+  ffi.Pointer<ffi.NativeFunction<ffi.Void Function(ffi.Uint32)>> onComplete,
+);
+
+@ffi.Native<
+        ffi.Void Function(ffi.Pointer<TLinearImage>,
+            ffi.Pointer<ffi.NativeFunction<ffi.Void Function(ffi.Uint32)>>)>(
+    isLeaf: true)
+external void Image_getHeightRenderThread(
+  ffi.Pointer<TLinearImage> tLinearImage,
+  ffi.Pointer<ffi.NativeFunction<ffi.Void Function(ffi.Uint32)>> onComplete,
+);
+
+@ffi.Native<
+        ffi.Void Function(ffi.Pointer<TLinearImage>,
+            ffi.Pointer<ffi.NativeFunction<ffi.Void Function(ffi.Uint32)>>)>(
+    isLeaf: true)
+external void Image_getChannelsRenderThread(
+  ffi.Pointer<TLinearImage> tLinearImage,
+  ffi.Pointer<ffi.NativeFunction<ffi.Void Function(ffi.Uint32)>> onComplete,
+);
+
+@ffi.Native<
+        ffi.Void Function(
+            ffi.Pointer<TEngine>,
+            ffi.Pointer<TTexture>,
+            ffi.Pointer<TLinearImage>,
+            ffi.UnsignedInt,
+            ffi.UnsignedInt,
+            ffi.Pointer<ffi.NativeFunction<ffi.Void Function(ffi.Bool)>>)>(
+    symbol: "Texture_loadImageRenderThread", isLeaf: true)
+external void _Texture_loadImageRenderThread(
+  ffi.Pointer<TEngine> tEngine,
+  ffi.Pointer<TTexture> tTexture,
+  ffi.Pointer<TLinearImage> tImage,
+  int bufferFormat,
+  int pixelDataType,
+  ffi.Pointer<ffi.NativeFunction<ffi.Void Function(ffi.Bool)>> onComplete,
+);
+
+void Texture_loadImageRenderThread(
+  ffi.Pointer<TEngine> tEngine,
+  ffi.Pointer<TTexture> tTexture,
+  ffi.Pointer<TLinearImage> tImage,
+  TPixelDataFormat bufferFormat,
+  TPixelDataType pixelDataType,
+  ffi.Pointer<ffi.NativeFunction<ffi.Void Function(ffi.Bool)>> onComplete,
+) =>
+    _Texture_loadImageRenderThread(
+      tEngine,
+      tTexture,
+      tImage,
+      bufferFormat.value,
+      pixelDataType.value,
+      onComplete,
+    );
+
+@ffi.Native<
+        ffi.Void Function(
+            ffi.Pointer<TEngine>,
+            ffi.Pointer<TTexture>,
+            ffi.Uint32,
+            ffi.Pointer<ffi.Uint8>,
+            ffi.Size,
+            ffi.Uint32,
+            ffi.Uint32,
+            ffi.Uint32,
+            ffi.Uint32,
+            ffi.Uint32,
+            ffi.Pointer<ffi.NativeFunction<ffi.Void Function(ffi.Bool)>>)>(
+    isLeaf: true)
+external void Texture_setImageRenderThread(
+  ffi.Pointer<TEngine> tEngine,
+  ffi.Pointer<TTexture> tTexture,
+  int level,
+  ffi.Pointer<ffi.Uint8> data,
+  int size,
+  int width,
+  int height,
+  int channels,
+  int bufferFormat,
+  int pixelDataType,
+  ffi.Pointer<ffi.NativeFunction<ffi.Void Function(ffi.Bool)>> onComplete,
+);
+
+@ffi.Native<
+        ffi.Void Function(
+            ffi.Pointer<TRenderTarget>,
+            ffi.Pointer<
+                ffi.NativeFunction<ffi.Void Function(ffi.Pointer<TTexture>)>>)>(
+    isLeaf: true)
+external void RenderTarget_getColorTextureRenderThread(
+  ffi.Pointer<TRenderTarget> tRenderTarget,
+  ffi.Pointer<ffi.NativeFunction<ffi.Void Function(ffi.Pointer<TTexture>)>>
+      onComplete,
+);
+
+@ffi.Native<
+    ffi.Void Function(
+        ffi.Pointer<
+            ffi.NativeFunction<
+                ffi.Void Function(
+                    ffi.Pointer<TTextureSampler>)>>)>(isLeaf: true)
+external void TextureSampler_createRenderThread(
+  ffi.Pointer<
+          ffi.NativeFunction<ffi.Void Function(ffi.Pointer<TTextureSampler>)>>
+      onComplete,
+);
+
+@ffi.Native<
+        ffi.Void Function(
+            ffi.UnsignedInt,
+            ffi.UnsignedInt,
+            ffi.UnsignedInt,
+            ffi.UnsignedInt,
+            ffi.UnsignedInt,
+            ffi.Pointer<
+                ffi.NativeFunction<
+                    ffi.Void Function(ffi.Pointer<TTextureSampler>)>>)>(
+    symbol: "TextureSampler_createWithFilteringRenderThread", isLeaf: true)
+external void _TextureSampler_createWithFilteringRenderThread(
+  int minFilter,
+  int magFilter,
+  int wrapS,
+  int wrapT,
+  int wrapR,
+  ffi.Pointer<
+          ffi.NativeFunction<ffi.Void Function(ffi.Pointer<TTextureSampler>)>>
+      onComplete,
+);
+
+void TextureSampler_createWithFilteringRenderThread(
+  TSamplerMinFilter minFilter,
+  TSamplerMagFilter magFilter,
+  TSamplerWrapMode wrapS,
+  TSamplerWrapMode wrapT,
+  TSamplerWrapMode wrapR,
+  ffi.Pointer<
+          ffi.NativeFunction<ffi.Void Function(ffi.Pointer<TTextureSampler>)>>
+      onComplete,
+) =>
+    _TextureSampler_createWithFilteringRenderThread(
+      minFilter.value,
+      magFilter.value,
+      wrapS.value,
+      wrapT.value,
+      wrapR.value,
+      onComplete,
+    );
+
+@ffi.Native<
+        ffi.Void Function(
+            ffi.UnsignedInt,
+            ffi.UnsignedInt,
+            ffi.Pointer<
+                ffi.NativeFunction<
+                    ffi.Void Function(ffi.Pointer<TTextureSampler>)>>)>(
+    symbol: "TextureSampler_createWithComparisonRenderThread", isLeaf: true)
+external void _TextureSampler_createWithComparisonRenderThread(
+  int compareMode,
+  int compareFunc,
+  ffi.Pointer<
+          ffi.NativeFunction<ffi.Void Function(ffi.Pointer<TTextureSampler>)>>
+      onComplete,
+);
+
+void TextureSampler_createWithComparisonRenderThread(
+  TSamplerCompareMode compareMode,
+  TSamplerCompareFunc compareFunc,
+  ffi.Pointer<
+          ffi.NativeFunction<ffi.Void Function(ffi.Pointer<TTextureSampler>)>>
+      onComplete,
+) =>
+    _TextureSampler_createWithComparisonRenderThread(
+      compareMode.value,
+      compareFunc.value,
+      onComplete,
+    );
+
+@ffi.Native<
+        ffi.Void Function(ffi.Pointer<TTextureSampler>, ffi.UnsignedInt,
+            ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>>)>(
+    symbol: "TextureSampler_setMinFilterRenderThread", isLeaf: true)
+external void _TextureSampler_setMinFilterRenderThread(
+  ffi.Pointer<TTextureSampler> sampler,
+  int filter,
+  ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>> onComplete,
+);
+
+void TextureSampler_setMinFilterRenderThread(
+  ffi.Pointer<TTextureSampler> sampler,
+  TSamplerMinFilter filter,
+  ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>> onComplete,
+) =>
+    _TextureSampler_setMinFilterRenderThread(
+      sampler,
+      filter.value,
+      onComplete,
+    );
+
+@ffi.Native<
+        ffi.Void Function(ffi.Pointer<TTextureSampler>, ffi.UnsignedInt,
+            ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>>)>(
+    symbol: "TextureSampler_setMagFilterRenderThread", isLeaf: true)
+external void _TextureSampler_setMagFilterRenderThread(
+  ffi.Pointer<TTextureSampler> sampler,
+  int filter,
+  ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>> onComplete,
+);
+
+void TextureSampler_setMagFilterRenderThread(
+  ffi.Pointer<TTextureSampler> sampler,
+  TSamplerMagFilter filter,
+  ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>> onComplete,
+) =>
+    _TextureSampler_setMagFilterRenderThread(
+      sampler,
+      filter.value,
+      onComplete,
+    );
+
+@ffi.Native<
+        ffi.Void Function(ffi.Pointer<TTextureSampler>, ffi.UnsignedInt,
+            ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>>)>(
+    symbol: "TextureSampler_setWrapModeSRenderThread", isLeaf: true)
+external void _TextureSampler_setWrapModeSRenderThread(
+  ffi.Pointer<TTextureSampler> sampler,
+  int mode,
+  ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>> onComplete,
+);
+
+void TextureSampler_setWrapModeSRenderThread(
+  ffi.Pointer<TTextureSampler> sampler,
+  TSamplerWrapMode mode,
+  ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>> onComplete,
+) =>
+    _TextureSampler_setWrapModeSRenderThread(
+      sampler,
+      mode.value,
+      onComplete,
+    );
+
+@ffi.Native<
+        ffi.Void Function(ffi.Pointer<TTextureSampler>, ffi.UnsignedInt,
+            ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>>)>(
+    symbol: "TextureSampler_setWrapModeTRenderThread", isLeaf: true)
+external void _TextureSampler_setWrapModeTRenderThread(
+  ffi.Pointer<TTextureSampler> sampler,
+  int mode,
+  ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>> onComplete,
+);
+
+void TextureSampler_setWrapModeTRenderThread(
+  ffi.Pointer<TTextureSampler> sampler,
+  TSamplerWrapMode mode,
+  ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>> onComplete,
+) =>
+    _TextureSampler_setWrapModeTRenderThread(
+      sampler,
+      mode.value,
+      onComplete,
+    );
+
+@ffi.Native<
+        ffi.Void Function(ffi.Pointer<TTextureSampler>, ffi.UnsignedInt,
+            ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>>)>(
+    symbol: "TextureSampler_setWrapModeRRenderThread", isLeaf: true)
+external void _TextureSampler_setWrapModeRRenderThread(
+  ffi.Pointer<TTextureSampler> sampler,
+  int mode,
+  ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>> onComplete,
+);
+
+void TextureSampler_setWrapModeRRenderThread(
+  ffi.Pointer<TTextureSampler> sampler,
+  TSamplerWrapMode mode,
+  ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>> onComplete,
+) =>
+    _TextureSampler_setWrapModeRRenderThread(
+      sampler,
+      mode.value,
+      onComplete,
+    );
+
+@ffi.Native<
+    ffi.Void Function(ffi.Pointer<TTextureSampler>, ffi.Double,
+        ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>>)>(isLeaf: true)
+external void TextureSampler_setAnisotropyRenderThread(
+  ffi.Pointer<TTextureSampler> sampler,
+  double anisotropy,
+  ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>> onComplete,
+);
+
+@ffi.Native<
+        ffi.Void Function(
+            ffi.Pointer<TTextureSampler>,
+            ffi.UnsignedInt,
+            ffi.UnsignedInt,
+            ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>>)>(
+    symbol: "TextureSampler_setCompareModeRenderThread", isLeaf: true)
+external void _TextureSampler_setCompareModeRenderThread(
+  ffi.Pointer<TTextureSampler> sampler,
+  int mode,
+  int func,
+  ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>> onComplete,
+);
+
+void TextureSampler_setCompareModeRenderThread(
+  ffi.Pointer<TTextureSampler> sampler,
+  TSamplerCompareMode mode,
+  TSamplerCompareFunc func,
+  ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>> onComplete,
+) =>
+    _TextureSampler_setCompareModeRenderThread(
+      sampler,
+      mode.value,
+      func.value,
+      onComplete,
+    );
+
+@ffi.Native<
+    ffi.Void Function(ffi.Pointer<TTextureSampler>,
+        ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>>)>(isLeaf: true)
+external void TextureSampler_destroyRenderThread(
+  ffi.Pointer<TTextureSampler> sampler,
+  ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>> onComplete,
+);
+
 @ffi.Native<
         ffi.Void Function(ffi.Pointer<TSceneManager>, EntityId,
             ffi.Pointer<ffi.NativeFunction<ffi.Void Function(ffi.Bool)>>)>(

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

@@ -426,10 +426,3 @@ abstract class LinearImage {
   Future<int> getChannels();
 }
 
-class FFITextureSampler extends TextureSampler {
-  final Pointer<TTextureSampler> pointer;
-
-  FFITextureSampler(this.pointer);
-  @override
-  Future dispose() async {}
-}

thermion_dart/native/include/c_api/ThermionDartRenderThreadApi.h

@@ -55,6 +55,7 @@ namespace thermion
             TTextureFormat format,
             void (*onComplete)(TTexture*)
         );
+        EMSCRIPTEN_KEEPALIVE void Engine_destroyTextureRenderThread(TEngine *engine, TTexture* tTexture, void (*onComplete)());
 
         EMSCRIPTEN_KEEPALIVE void Material_createInstanceRenderThread(TMaterial *tMaterial, void (*onComplete)(TMaterialInstance *));
 
@@ -124,11 +125,8 @@ namespace thermion
             bool shadows,
             void (*callback)(EntityId));
         EMSCRIPTEN_KEEPALIVE void SceneManager_removeLightRenderThread(TSceneManager *tSceneManager, EntityId entityId, void (*callback)());
-
         EMSCRIPTEN_KEEPALIVE void SceneManager_createCameraRenderThread(TSceneManager *tSceneManager, void (*callback)(TCamera *));
-
         EMSCRIPTEN_KEEPALIVE void SceneAsset_createInstanceRenderThread(TSceneAsset *asset, TMaterialInstance **tMaterialInstances, int materialInstanceCount, void (*callback)(TSceneAsset *));
-
         EMSCRIPTEN_KEEPALIVE void MaterialProvider_createMaterialInstanceRenderThread(TMaterialProvider *tMaterialProvider, TMaterialKey *tKey, void (*callback)(TMaterialInstance *));
         EMSCRIPTEN_KEEPALIVE void SceneManager_destroyMaterialInstanceRenderThread(TSceneManager *tSceneManager, TMaterialInstance *tMaterialInstance, void (*callback)());
 
@@ -144,6 +142,88 @@ namespace thermion
             int numWeights,
             void (*callback)(bool));
 
+        // Image methods
+        EMSCRIPTEN_KEEPALIVE void Image_createEmptyRenderThread(uint32_t width, uint32_t height, uint32_t channel, void (*onComplete)(TLinearImage *));
+        EMSCRIPTEN_KEEPALIVE void Image_decodeRenderThread(uint8_t* data, size_t length, const char* name, void (*onComplete)(TLinearImage *));
+        EMSCRIPTEN_KEEPALIVE void Image_getBytesRenderThread(TLinearImage *tLinearImage, void (*onComplete)(float *));
+        EMSCRIPTEN_KEEPALIVE void Image_destroyRenderThread(TLinearImage *tLinearImage, void (*onComplete)());
+        EMSCRIPTEN_KEEPALIVE void Image_getWidthRenderThread(TLinearImage *tLinearImage, void (*onComplete)(uint32_t));
+        EMSCRIPTEN_KEEPALIVE void Image_getHeightRenderThread(TLinearImage *tLinearImage, void (*onComplete)(uint32_t));
+        EMSCRIPTEN_KEEPALIVE void Image_getChannelsRenderThread(TLinearImage *tLinearImage, void (*onComplete)(uint32_t));
+
+        // Texture methods
+        EMSCRIPTEN_KEEPALIVE void Texture_loadImageRenderThread(TEngine *tEngine, TTexture *tTexture, TLinearImage *tImage, TPixelDataFormat bufferFormat, TPixelDataType pixelDataType, void (*onComplete)(bool));
+        EMSCRIPTEN_KEEPALIVE void Texture_setImageRenderThread(
+            TEngine *tEngine,
+            TTexture *tTexture,
+            uint32_t level,
+            uint8_t *data,
+            size_t size,
+            uint32_t width,
+            uint32_t height,
+            uint32_t channels,
+            uint32_t bufferFormat,
+            uint32_t pixelDataType,
+            void (*onComplete)(bool)
+        );
+        EMSCRIPTEN_KEEPALIVE void RenderTarget_getColorTextureRenderThread(TRenderTarget *tRenderTarget, void (*onComplete)(TTexture *));
+
+        // TextureSampler methods
+        EMSCRIPTEN_KEEPALIVE void TextureSampler_createRenderThread(void (*onComplete)(TTextureSampler*));
+        EMSCRIPTEN_KEEPALIVE void TextureSampler_createWithFilteringRenderThread(
+            TSamplerMinFilter minFilter, 
+            TSamplerMagFilter magFilter, 
+            TSamplerWrapMode wrapS, 
+            TSamplerWrapMode wrapT, 
+            TSamplerWrapMode wrapR,
+            void (*onComplete)(TTextureSampler*)
+        );
+        EMSCRIPTEN_KEEPALIVE void TextureSampler_createWithComparisonRenderThread(
+            TSamplerCompareMode compareMode, 
+            TSamplerCompareFunc compareFunc,
+            void (*onComplete)(TTextureSampler*)
+        );
+        EMSCRIPTEN_KEEPALIVE void TextureSampler_setMinFilterRenderThread(
+            TTextureSampler* sampler, 
+            TSamplerMinFilter filter,
+            void (*onComplete)()
+        );
+        EMSCRIPTEN_KEEPALIVE void TextureSampler_setMagFilterRenderThread(
+            TTextureSampler* sampler, 
+            TSamplerMagFilter filter,
+            void (*onComplete)()
+        );
+        EMSCRIPTEN_KEEPALIVE void TextureSampler_setWrapModeSRenderThread(
+            TTextureSampler* sampler, 
+            TSamplerWrapMode mode,
+            void (*onComplete)()
+        );
+        EMSCRIPTEN_KEEPALIVE void TextureSampler_setWrapModeTRenderThread(
+            TTextureSampler* sampler, 
+            TSamplerWrapMode mode,
+            void (*onComplete)()
+        );
+        EMSCRIPTEN_KEEPALIVE void TextureSampler_setWrapModeRRenderThread(
+            TTextureSampler* sampler, 
+            TSamplerWrapMode mode,
+            void (*onComplete)()
+        );
+        EMSCRIPTEN_KEEPALIVE void TextureSampler_setAnisotropyRenderThread(
+            TTextureSampler* sampler, 
+            double anisotropy,
+            void (*onComplete)()
+        );
+        EMSCRIPTEN_KEEPALIVE void TextureSampler_setCompareModeRenderThread(
+            TTextureSampler* sampler, 
+            TSamplerCompareMode mode, 
+            TTextureSamplerCompareFunc func,
+            void (*onComplete)()
+        );
+        EMSCRIPTEN_KEEPALIVE void TextureSampler_destroyRenderThread(
+            TTextureSampler* sampler,
+            void (*onComplete)()
+        );
+
         EMSCRIPTEN_KEEPALIVE void update_bone_matrices_render_thread(TSceneManager *sceneManager,
                                                                      EntityId asset, void (*callback)(bool));
         EMSCRIPTEN_KEEPALIVE void set_bone_transform_render_thread(

thermion_dart/native/src/c_api/TTexture.cpp

@@ -209,6 +209,14 @@ namespace thermion
             }
         }
 
+        EMSCRIPTEN_KEEPALIVE void TextureSampler_setAnisotropy(
+            TTextureSampler *sampler,
+            double anisotropy)
+        {
+            auto *textureSampler = reinterpret_cast<filament::TextureSampler *>(sampler);
+            textureSampler->setAnisotropy(static_cast<float>(anisotropy));
+        }
+
         EMSCRIPTEN_KEEPALIVE void TextureSampler_setMagFilter(
             TTextureSampler *sampler,
             TSamplerMagFilter filter)

thermion_dart/native/src/c_api/ThermionDartRenderThreadApi.cpp

@@ -292,7 +292,8 @@ extern "C"
     auto fut = _rl->add_task(lambda);
   }
 
-  EMSCRIPTEN_KEEPALIVE void Viewer_destroyRenderTargetRenderThread(TViewer *tViewer, TRenderTarget *tRenderTarget, void (*onComplete)()) {
+  EMSCRIPTEN_KEEPALIVE void Viewer_destroyRenderTargetRenderThread(TViewer *tViewer, TRenderTarget *tRenderTarget, void (*onComplete)())
+  {
     std::packaged_task<void()> lambda(
         [=]() mutable
         {
@@ -308,8 +309,8 @@ extern "C"
                                                             uint8_t levels,
                                                             TTextureSamplerType sampler,
                                                             TTextureFormat format,
-    void (*onComplete)(TTexture*)
+                                                            void (*onComplete)(TTexture *))
-) {
+  {
     std::packaged_task<void()> lambda(
         [=]() mutable
         {
@@ -319,6 +320,16 @@ extern "C"
     auto fut = _rl->add_task(lambda);
   }
 
+  EMSCRIPTEN_KEEPALIVE void Engine_destroyTextureRenderThread(TEngine *engine, TTexture* tTexture, void (*onComplete)()) { 
+    std::packaged_task<void()> lambda(
+      [=]() mutable
+      {
+        Engine_destroyTexture(engine, tTexture);
+        onComplete();
+      });
+  auto fut = _rl->add_task(lambda);
+  }
+
   EMSCRIPTEN_KEEPALIVE void Engine_buildMaterialRenderThread(TEngine *tEngine, const uint8_t *materialData, size_t length, void (*onComplete)(TMaterial *))
   {
     std::packaged_task<void()> lambda(
@@ -397,8 +408,7 @@ auto fut = _rl->add_task(lambda);
     std::packaged_task<void()> lambda([=]() mutable
                                       {
       auto *sceneAsset = SceneManager_createGrid(tSceneManager, tMaterial);
-      callback(sceneAsset); 
+      callback(sceneAsset); });
-    });
     auto fut = _rl->add_task(lambda);
   }
 
@@ -480,7 +490,8 @@ auto fut = _rl->add_task(lambda);
     auto fut = _rl->add_task(lambda);
   }
 
-  EMSCRIPTEN_KEEPALIVE void SceneManager_destroyMaterialInstanceRenderThread(TSceneManager *tSceneManager, TMaterialInstance *tMaterialInstance, void (*callback)()) { 
+  EMSCRIPTEN_KEEPALIVE void SceneManager_destroyMaterialInstanceRenderThread(TSceneManager *tSceneManager, TMaterialInstance *tMaterialInstance, void (*callback)())
+  {
     std::packaged_task<void()> lambda(
         [=]
         {
@@ -577,8 +588,7 @@ auto fut = _rl->add_task(lambda);
     std::packaged_task<void()> lambda([=]
                                       { 
                                         Viewer_removeSkybox(viewer); 
-                                        onComplete();
+                                        onComplete(); });
-                                      });
     auto fut = _rl->add_task(lambda);
   }
 
@@ -592,7 +602,8 @@ auto fut = _rl->add_task(lambda);
     auto fut = _rl->add_task(lambda);
   }
 
-  EMSCRIPTEN_KEEPALIVE void View_setBloomRenderThread(TView *tView, bool enabled, double strength) { 
+  EMSCRIPTEN_KEEPALIVE void View_setBloomRenderThread(TView *tView, bool enabled, double strength)
+  {
     std::packaged_task<void()> lambda(
         [=]
         {
@@ -658,7 +669,8 @@ auto fut = _rl->add_task(lambda);
       float sunHaloSize,
       float sunHaloFallof,
       bool shadows,
-            void (*callback)(EntityId entityId)) { 
+      void (*callback)(EntityId entityId))
+  {
     std::packaged_task<void()> lambda(
         [=]() mutable
         {
@@ -668,7 +680,8 @@ std::packaged_task<void()> lambda(
     auto fut = _rl->add_task(lambda);
   }
 
-  EMSCRIPTEN_KEEPALIVE void SceneManager_removeLightRenderThread(TSceneManager *tSceneManager, EntityId entityId, void (*callback)()) {
+  EMSCRIPTEN_KEEPALIVE void SceneManager_removeLightRenderThread(TSceneManager *tSceneManager, EntityId entityId, void (*callback)())
+  {
     std::packaged_task<void()> lambda(
         [=]() mutable
         {
@@ -751,4 +764,287 @@ std::packaged_task<void()> lambda(
         });
     auto fut = _rl->add_task(lambda);
   }
+
+  // Add these implementations to your ThermionDartRenderThreadApi.cpp file
+
+  // Image methods
+  EMSCRIPTEN_KEEPALIVE void Image_createEmptyRenderThread(uint32_t width, uint32_t height, uint32_t channel, void (*onComplete)(TLinearImage *))
+  {
+    std::packaged_task<void()> lambda(
+        [=]() mutable
+        {
+          auto image = Image_createEmpty(width, height, channel);
+          onComplete(image);
+        });
+    auto fut = _rl->add_task(lambda);
+  }
+
+  EMSCRIPTEN_KEEPALIVE void Image_decodeRenderThread(uint8_t *data, size_t length, const char *name, void (*onComplete)(TLinearImage *))
+  {
+    std::packaged_task<void()> lambda(
+        [=]() mutable
+        {
+          auto image = Image_decode(data, length, name);
+          onComplete(image);
+        });
+    auto fut = _rl->add_task(lambda);
+  }
+
+  EMSCRIPTEN_KEEPALIVE void Image_getBytesRenderThread(TLinearImage *tLinearImage, void (*onComplete)(float *))
+  {
+    std::packaged_task<void()> lambda(
+        [=]() mutable
+        {
+          auto bytes = Image_getBytes(tLinearImage);
+          onComplete(bytes);
+        });
+    auto fut = _rl->add_task(lambda);
+  }
+
+  EMSCRIPTEN_KEEPALIVE void Image_destroyRenderThread(TLinearImage *tLinearImage, void (*onComplete)())
+  {
+    std::packaged_task<void()> lambda(
+        [=]() mutable
+        {
+          Image_destroy(tLinearImage);
+          onComplete();
+        });
+    auto fut = _rl->add_task(lambda);
+  }
+
+  EMSCRIPTEN_KEEPALIVE void Image_getWidthRenderThread(TLinearImage *tLinearImage, void (*onComplete)(uint32_t))
+  {
+    std::packaged_task<void()> lambda(
+        [=]() mutable
+        {
+          auto width = Image_getWidth(tLinearImage);
+          onComplete(width);
+        });
+    auto fut = _rl->add_task(lambda);
+  }
+
+  EMSCRIPTEN_KEEPALIVE void Image_getHeightRenderThread(TLinearImage *tLinearImage, void (*onComplete)(uint32_t))
+  {
+    std::packaged_task<void()> lambda(
+        [=]() mutable
+        {
+          auto height = Image_getHeight(tLinearImage);
+          onComplete(height);
+        });
+    auto fut = _rl->add_task(lambda);
+  }
+
+  EMSCRIPTEN_KEEPALIVE void Image_getChannelsRenderThread(TLinearImage *tLinearImage, void (*onComplete)(uint32_t))
+  {
+    std::packaged_task<void()> lambda(
+        [=]() mutable
+        {
+          auto channels = Image_getChannels(tLinearImage);
+          onComplete(channels);
+        });
+    auto fut = _rl->add_task(lambda);
+  }
+
+  // Texture methods
+  EMSCRIPTEN_KEEPALIVE void Texture_loadImageRenderThread(TEngine *tEngine, TTexture *tTexture, TLinearImage *tImage,
+                                                          TPixelDataFormat bufferFormat, TPixelDataType pixelDataType,
+                                                          void (*onComplete)(bool))
+  {
+    std::packaged_task<void()> lambda(
+        [=]() mutable
+        {
+          bool result = Texture_loadImage(tEngine, tTexture, tImage, bufferFormat, pixelDataType);
+          onComplete(result);
+        });
+    auto fut = _rl->add_task(lambda);
+  }
+
+  EMSCRIPTEN_KEEPALIVE void Texture_setImageRenderThread(
+      TEngine *tEngine,
+      TTexture *tTexture,
+      uint32_t level,
+      uint8_t *data,
+      size_t size,
+      uint32_t width,
+      uint32_t height,
+      uint32_t channels,
+      uint32_t bufferFormat,
+      uint32_t pixelDataType,
+      void (*onComplete)(bool))
+  {
+    std::packaged_task<void()> lambda(
+        [=]() mutable
+        {
+          bool result = Texture_setImage(tEngine, tTexture, level, data, size, width, height, channels,
+                                         bufferFormat, pixelDataType);
+          onComplete(result);
+        });
+    auto fut = _rl->add_task(lambda);
+  }
+
+  EMSCRIPTEN_KEEPALIVE void RenderTarget_getColorTextureRenderThread(TRenderTarget *tRenderTarget, void (*onComplete)(TTexture *))
+  {
+    std::packaged_task<void()> lambda(
+        [=]() mutable
+        {
+          auto texture = RenderTarget_getColorTexture(tRenderTarget);
+          onComplete(texture);
+        });
+    auto fut = _rl->add_task(lambda);
+  }
+
+  // TextureSampler methods
+  EMSCRIPTEN_KEEPALIVE void TextureSampler_createRenderThread(void (*onComplete)(TTextureSampler *))
+  {
+    std::packaged_task<void()> lambda(
+        [=]() mutable
+        {
+          auto sampler = TextureSampler_create();
+          onComplete(sampler);
+        });
+    auto fut = _rl->add_task(lambda);
+  }
+
+  EMSCRIPTEN_KEEPALIVE void TextureSampler_createWithFilteringRenderThread(
+      TSamplerMinFilter minFilter,
+      TSamplerMagFilter magFilter,
+      TSamplerWrapMode wrapS,
+      TSamplerWrapMode wrapT,
+      TSamplerWrapMode wrapR,
+      void (*onComplete)(TTextureSampler *))
+  {
+    std::packaged_task<void()> lambda(
+        [=]() mutable
+        {
+          auto sampler = TextureSampler_createWithFiltering(minFilter, magFilter, wrapS, wrapT, wrapR);
+          onComplete(sampler);
+        });
+    auto fut = _rl->add_task(lambda);
+  }
+
+  EMSCRIPTEN_KEEPALIVE void TextureSampler_createWithComparisonRenderThread(
+      TSamplerCompareMode compareMode,
+      TSamplerCompareFunc compareFunc,
+      void (*onComplete)(TTextureSampler *))
+  {
+    std::packaged_task<void()> lambda(
+        [=]() mutable
+        {
+          auto sampler = TextureSampler_createWithComparison(compareMode, compareFunc);
+          onComplete(sampler);
+        });
+    auto fut = _rl->add_task(lambda);
+  }
+
+  EMSCRIPTEN_KEEPALIVE void TextureSampler_setMinFilterRenderThread(
+      TTextureSampler *sampler,
+      TSamplerMinFilter filter,
+      void (*onComplete)())
+  {
+    std::packaged_task<void()> lambda(
+        [=]() mutable
+        {
+          TextureSampler_setMinFilter(sampler, filter);
+          onComplete();
+        });
+    auto fut = _rl->add_task(lambda);
+  }
+
+  EMSCRIPTEN_KEEPALIVE void TextureSampler_setMagFilterRenderThread(
+      TTextureSampler *sampler,
+      TSamplerMagFilter filter,
+      void (*onComplete)())
+  {
+    std::packaged_task<void()> lambda(
+        [=]() mutable
+        {
+          TextureSampler_setMagFilter(sampler, filter);
+          onComplete();
+        });
+    auto fut = _rl->add_task(lambda);
+  }
+
+  EMSCRIPTEN_KEEPALIVE void TextureSampler_setWrapModeSRenderThread(
+      TTextureSampler *sampler,
+      TSamplerWrapMode mode,
+      void (*onComplete)())
+  {
+    std::packaged_task<void()> lambda(
+        [=]() mutable
+        {
+          TextureSampler_setWrapModeS(sampler, mode);
+          onComplete();
+        });
+    auto fut = _rl->add_task(lambda);
+  }
+
+  EMSCRIPTEN_KEEPALIVE void TextureSampler_setWrapModeTRenderThread(
+      TTextureSampler *sampler,
+      TSamplerWrapMode mode,
+      void (*onComplete)())
+  {
+    std::packaged_task<void()> lambda(
+        [=]() mutable
+        {
+          TextureSampler_setWrapModeT(sampler, mode);
+          onComplete();
+        });
+    auto fut = _rl->add_task(lambda);
+  }
+
+  EMSCRIPTEN_KEEPALIVE void TextureSampler_setWrapModeRRenderThread(
+      TTextureSampler *sampler,
+      TSamplerWrapMode mode,
+      void (*onComplete)())
+  {
+    std::packaged_task<void()> lambda(
+        [=]() mutable
+        {
+          TextureSampler_setWrapModeR(sampler, mode);
+          onComplete();
+        });
+    auto fut = _rl->add_task(lambda);
+  }
+
+  EMSCRIPTEN_KEEPALIVE void TextureSampler_setAnisotropyRenderThread(
+      TTextureSampler *sampler,
+      double anisotropy,
+      void (*onComplete)())
+  {
+    std::packaged_task<void()> lambda(
+        [=]() mutable
+        {
+          TextureSampler_setAnisotropy(sampler, anisotropy);
+          onComplete();
+        });
+    auto fut = _rl->add_task(lambda);
+  }
+
+  EMSCRIPTEN_KEEPALIVE void TextureSampler_setCompareModeRenderThread(
+      TTextureSampler *sampler,
+      TSamplerCompareMode mode,
+      TTextureSamplerCompareFunc func,
+      void (*onComplete)())
+  {
+    std::packaged_task<void()> lambda(
+        [=]() mutable
+        {
+          TextureSampler_setCompareMode(sampler, mode, func);
+          onComplete();
+        });
+    auto fut = _rl->add_task(lambda);
+  }
+
+  EMSCRIPTEN_KEEPALIVE void TextureSampler_destroyRenderThread(
+      TTextureSampler *sampler,
+      void (*onComplete)())
+  {
+    std::packaged_task<void()> lambda(
+        [=]() mutable
+        {
+          TextureSampler_destroy(sampler);
+          onComplete();
+        });
+    auto fut = _rl->add_task(lambda);
+  }
 }