diff --git a/dart_filament/native/include/DartFilamentFFIApi.h b/dart_filament/native/include/DartFilamentFFIApi.h
index 39274c9c..bd0b2c63 100644
--- a/dart_filament/native/include/DartFilamentFFIApi.h
+++ b/dart_filament/native/include/DartFilamentFFIApi.h
@@ -16,34 +16,34 @@ extern "C"
     typedef int32_t EntityId;
     typedef void (*FilamentRenderCallback)(void *const owner);
 
-    FLUTTER_PLUGIN_EXPORT void create_filament_viewer_ffi(
+    EMSCRIPTEN_KEEPALIVE void create_filament_viewer_ffi(
         void *const context,
         void *const platform,
         const char *uberArchivePath,
-        const ResourceLoaderWrapper *const loader,
+        const void *const loader,
         void (*renderCallback)(void *const renderCallbackOwner),
         void *const renderCallbackOwner,
         void (*callback)(void *const viewer));
-    FLUTTER_PLUGIN_EXPORT void create_swap_chain_ffi(void *const viewer, void *const surface, uint32_t width, uint32_t height, void (*onComplete)());
-    FLUTTER_PLUGIN_EXPORT void destroy_swap_chain_ffi(void *const viewer, void (*onComplete)());
-    FLUTTER_PLUGIN_EXPORT void create_render_target_ffi(void *const viewer, intptr_t nativeTextureId, uint32_t width, uint32_t height, void (*onComplete)());
-    FLUTTER_PLUGIN_EXPORT void destroy_filament_viewer_ffi(void *const viewer);
-    FLUTTER_PLUGIN_EXPORT void render_ffi(void *const viewer);
-    FLUTTER_PLUGIN_EXPORT FilamentRenderCallback make_render_callback_fn_pointer(FilamentRenderCallback);
-    FLUTTER_PLUGIN_EXPORT void set_rendering_ffi(void *const viewer, bool rendering);
-    FLUTTER_PLUGIN_EXPORT void set_frame_interval_ffi(void *const viewer, float frameInterval);
-    FLUTTER_PLUGIN_EXPORT void update_viewport_and_camera_projection_ffi(void *const viewer, const uint32_t width, const uint32_t height, const float scaleFactor, void (*onComplete)());
-    FLUTTER_PLUGIN_EXPORT void set_background_color_ffi(void *const viewer, const float r, const float g, const float b, const float a);
-    FLUTTER_PLUGIN_EXPORT void clear_background_image_ffi(void *const viewer);
-    FLUTTER_PLUGIN_EXPORT void set_background_image_ffi(void *const viewer, const char *path, bool fillHeight, void (*onComplete)());
-    FLUTTER_PLUGIN_EXPORT void set_background_image_position_ffi(void *const viewer, float x, float y, bool clamp);
-    FLUTTER_PLUGIN_EXPORT void set_tone_mapping_ffi(void *const viewer, int toneMapping);
-    FLUTTER_PLUGIN_EXPORT void set_bloom_ffi(void *const viewer, float strength);
-    FLUTTER_PLUGIN_EXPORT void load_skybox_ffi(void *const viewer, const char *skyboxPath, void (*onComplete)());
-    FLUTTER_PLUGIN_EXPORT void load_ibl_ffi(void *const viewer, const char *iblPath, float intensity);
-    FLUTTER_PLUGIN_EXPORT void remove_skybox_ffi(void *const viewer);
-    FLUTTER_PLUGIN_EXPORT void remove_ibl_ffi(void *const viewer);
-    FLUTTER_PLUGIN_EXPORT void add_light_ffi(
+    EMSCRIPTEN_KEEPALIVE void create_swap_chain_ffi(void *const viewer, void *const surface, uint32_t width, uint32_t height, void (*onComplete)());
+    EMSCRIPTEN_KEEPALIVE void destroy_swap_chain_ffi(void *const viewer, void (*onComplete)());
+    EMSCRIPTEN_KEEPALIVE void create_render_target_ffi(void *const viewer, intptr_t nativeTextureId, uint32_t width, uint32_t height, void (*onComplete)());
+    EMSCRIPTEN_KEEPALIVE void destroy_filament_viewer_ffi(void *const viewer);
+    EMSCRIPTEN_KEEPALIVE void render_ffi(void *const viewer);
+    EMSCRIPTEN_KEEPALIVE FilamentRenderCallback make_render_callback_fn_pointer(FilamentRenderCallback);
+    EMSCRIPTEN_KEEPALIVE void set_rendering_ffi(void *const viewer, bool rendering);
+    EMSCRIPTEN_KEEPALIVE void set_frame_interval_ffi(void *const viewer, float frameInterval);
+    EMSCRIPTEN_KEEPALIVE void update_viewport_and_camera_projection_ffi(void *const viewer, const uint32_t width, const uint32_t height, const float scaleFactor, void (*onComplete)());
+    EMSCRIPTEN_KEEPALIVE void set_background_color_ffi(void *const viewer, const float r, const float g, const float b, const float a);
+    EMSCRIPTEN_KEEPALIVE void clear_background_image_ffi(void *const viewer);
+    EMSCRIPTEN_KEEPALIVE void set_background_image_ffi(void *const viewer, const char *path, bool fillHeight, void (*onComplete)());
+    EMSCRIPTEN_KEEPALIVE void set_background_image_position_ffi(void *const viewer, float x, float y, bool clamp);
+    EMSCRIPTEN_KEEPALIVE void set_tone_mapping_ffi(void *const viewer, int toneMapping);
+    EMSCRIPTEN_KEEPALIVE void set_bloom_ffi(void *const viewer, float strength);
+    EMSCRIPTEN_KEEPALIVE void load_skybox_ffi(void *const viewer, const char *skyboxPath, void (*onComplete)());
+    EMSCRIPTEN_KEEPALIVE void load_ibl_ffi(void *const viewer, const char *iblPath, float intensity);
+    EMSCRIPTEN_KEEPALIVE void remove_skybox_ffi(void *const viewer);
+    EMSCRIPTEN_KEEPALIVE void remove_ibl_ffi(void *const viewer);
+    EMSCRIPTEN_KEEPALIVE void add_light_ffi(
         void *const viewer,
         uint8_t type,
         float colour,
@@ -56,43 +56,43 @@ extern "C"
         float dirZ,
         bool shadows,
         void (*callback)(EntityId));
-    FLUTTER_PLUGIN_EXPORT void remove_light_ffi(void *const viewer, EntityId entityId);
-    FLUTTER_PLUGIN_EXPORT void clear_lights_ffi(void *const viewer);
-    FLUTTER_PLUGIN_EXPORT void load_glb_ffi(void *const sceneManager, const char *assetPath, int numInstances, void (*callback)(EntityId));
-    FLUTTER_PLUGIN_EXPORT void load_glb_from_buffer_ffi(void *const sceneManager, const void *const data, size_t length, int numInstances, void (*callback)(EntityId));
-    FLUTTER_PLUGIN_EXPORT void load_gltf_ffi(void *const sceneManager, const char *assetPath, const char *relativePath, void (*callback)(EntityId));
-    FLUTTER_PLUGIN_EXPORT void create_instance_ffi(void *const sceneManager, EntityId entityId, void (*callback)(EntityId));
-    FLUTTER_PLUGIN_EXPORT void remove_entity_ffi(void *const viewer, EntityId asset, void (*callback)());
-    FLUTTER_PLUGIN_EXPORT void clear_entities_ffi(void *const viewer, void (*callback)());
-    FLUTTER_PLUGIN_EXPORT void set_camera_ffi(void *const viewer, EntityId asset, const char *nodeName, void (*callback)(bool));
-    FLUTTER_PLUGIN_EXPORT void apply_weights_ffi(
+    EMSCRIPTEN_KEEPALIVE void remove_light_ffi(void *const viewer, EntityId entityId);
+    EMSCRIPTEN_KEEPALIVE void clear_lights_ffi(void *const viewer);
+    EMSCRIPTEN_KEEPALIVE void load_glb_ffi(void *const sceneManager, const char *assetPath, int numInstances, void (*callback)(EntityId));
+    EMSCRIPTEN_KEEPALIVE void load_glb_from_buffer_ffi(void *const sceneManager, const void *const data, size_t length, int numInstances, void (*callback)(EntityId));
+    EMSCRIPTEN_KEEPALIVE void load_gltf_ffi(void *const sceneManager, const char *assetPath, const char *relativePath, void (*callback)(EntityId));
+    EMSCRIPTEN_KEEPALIVE void create_instance_ffi(void *const sceneManager, EntityId entityId, void (*callback)(EntityId));
+    EMSCRIPTEN_KEEPALIVE void remove_entity_ffi(void *const viewer, EntityId asset, void (*callback)());
+    EMSCRIPTEN_KEEPALIVE void clear_entities_ffi(void *const viewer, void (*callback)());
+    EMSCRIPTEN_KEEPALIVE void set_camera_ffi(void *const viewer, EntityId asset, const char *nodeName, void (*callback)(bool));
+    EMSCRIPTEN_KEEPALIVE void apply_weights_ffi(
         void *const sceneManager,
         EntityId asset,
         const char *const entityName,
         float *const weights,
         int count);
 
-    FLUTTER_PLUGIN_EXPORT void play_animation_ffi(void *const sceneManager, EntityId asset, int index, bool loop, bool reverse, bool replaceActive, float crossfade);
-    FLUTTER_PLUGIN_EXPORT void set_animation_frame_ffi(void *const sceneManager, EntityId asset, int animationIndex, int animationFrame);
-    FLUTTER_PLUGIN_EXPORT void stop_animation_ffi(void *const sceneManager, EntityId asset, int index);
-    FLUTTER_PLUGIN_EXPORT void get_animation_count_ffi(void *const sceneManager, EntityId asset, void (*callback)(int));
-    FLUTTER_PLUGIN_EXPORT void get_animation_name_ffi(void *const sceneManager, EntityId asset, char *const outPtr, int index, void (*callback)());
-    FLUTTER_PLUGIN_EXPORT void get_morph_target_name_ffi(void *const sceneManager, EntityId asset, const char *meshName, char *const outPtr, int index, void (*callback)());
-    FLUTTER_PLUGIN_EXPORT void get_morph_target_name_count_ffi(void *const sceneManager, EntityId asset, const char *meshName, void (*callback)(int32_t));
-    FLUTTER_PLUGIN_EXPORT void set_morph_target_weights_ffi(void *const sceneManager,
+    EMSCRIPTEN_KEEPALIVE void play_animation_ffi(void *const sceneManager, EntityId asset, int index, bool loop, bool reverse, bool replaceActive, float crossfade);
+    EMSCRIPTEN_KEEPALIVE void set_animation_frame_ffi(void *const sceneManager, EntityId asset, int animationIndex, int animationFrame);
+    EMSCRIPTEN_KEEPALIVE void stop_animation_ffi(void *const sceneManager, EntityId asset, int index);
+    EMSCRIPTEN_KEEPALIVE void get_animation_count_ffi(void *const sceneManager, EntityId asset, void (*callback)(int));
+    EMSCRIPTEN_KEEPALIVE void get_animation_name_ffi(void *const sceneManager, EntityId asset, char *const outPtr, int index, void (*callback)());
+    EMSCRIPTEN_KEEPALIVE void get_morph_target_name_ffi(void *const sceneManager, EntityId asset, const char *meshName, char *const outPtr, int index, void (*callback)());
+    EMSCRIPTEN_KEEPALIVE void get_morph_target_name_count_ffi(void *const sceneManager, EntityId asset, const char *meshName, void (*callback)(int32_t));
+    EMSCRIPTEN_KEEPALIVE void set_morph_target_weights_ffi(void *const sceneManager,
                                                             EntityId asset,
                                                             const float *const morphData,
                                                             int numWeights,
                                                             void (*callback)(bool));
 
-    FLUTTER_PLUGIN_EXPORT void set_bone_transform_ffi(
+    EMSCRIPTEN_KEEPALIVE void set_bone_transform_ffi(
         void *sceneManager,
         EntityId asset,
         const char *entityName,
         const float *const transform,
         const char *boneName,
         void (*callback)(bool));
-    FLUTTER_PLUGIN_EXPORT void add_bone_animation_ffi(
+    EMSCRIPTEN_KEEPALIVE void add_bone_animation_ffi(
         void *sceneManager,
         EntityId asset,
         const float *const frameData,
@@ -102,10 +102,10 @@ extern "C"
         int numMeshTargets,
         float frameLengthInMs,
         bool isModelSpace);
-    FLUTTER_PLUGIN_EXPORT void set_post_processing_ffi(void *const viewer, bool enabled);
-    FLUTTER_PLUGIN_EXPORT void reset_to_rest_pose_ffi(void *const sceneManager, EntityId entityId);
-    FLUTTER_PLUGIN_EXPORT void ios_dummy_ffi();
-    FLUTTER_PLUGIN_EXPORT void create_geometry_ffi(void *const viewer, float *vertices, int numVertices, uint16_t *indices, int numIndices, int primitiveType, const char *materialPath, void (*callback)(EntityId));
+    EMSCRIPTEN_KEEPALIVE void set_post_processing_ffi(void *const viewer, bool enabled);
+    EMSCRIPTEN_KEEPALIVE void reset_to_rest_pose_ffi(void *const sceneManager, EntityId entityId);
+    EMSCRIPTEN_KEEPALIVE void ios_dummy_ffi();
+    EMSCRIPTEN_KEEPALIVE void create_geometry_ffi(void *const viewer, float *vertices, int numVertices, uint16_t *indices, int numIndices, int primitiveType, const char *materialPath, void (*callback)(EntityId));
 
 #ifdef __cplusplus
 }