diff --git a/thermion_dart/native/include/ThermionDartRenderThreadApi.h b/thermion_dart/native/include/ThermionDartRenderThreadApi.h
new file mode 100644
index 00000000..5d099a96
--- /dev/null
+++ b/thermion_dart/native/include/ThermionDartRenderThreadApi.h
@@ -0,0 +1,116 @@
+#ifndef _DART_FILAMENT_FFI_API_H
+#define _DART_FILAMENT_FFI_API_H
+
+#include "ThermionDartApi.h"
+#include "TView.h"
+
+#ifdef __cplusplus
+namespace thermion {
+extern "C"
+{
+#endif
+
+    ///
+    /// This header replicates most of the methods in ThermionDartApi.h. 
+    /// It represents the interface for:
+    /// - invoking those methods that must be called on the main Filament engine thread
+    /// - setting up a render loop
+    ///
+    typedef int32_t EntityId;
+    typedef void (*FilamentRenderCallback)(void *const owner);
+
+    EMSCRIPTEN_KEEPALIVE void Viewer_createOnRenderThread(
+        void *const context,
+        void *const platform,
+        const char *uberArchivePath,
+        const void *const loader,
+        void (*renderCallback)(void *const renderCallbackOwner),
+        void *const renderCallbackOwner,
+        void (*callback)(TViewer *viewer));
+    EMSCRIPTEN_KEEPALIVE void Viewer_destroyOnRenderThread(TViewer *viewer);
+    EMSCRIPTEN_KEEPALIVE void Viewer_createSwapChainRenderThread(TViewer *viewer, void *const surface, void (*onComplete)(TSwapChain*));
+    EMSCRIPTEN_KEEPALIVE void Viewer_createHeadlessSwapChainRenderThread(TViewer *viewer, uint32_t width, uint32_t height, void (*onComplete)(TSwapChain*));
+    EMSCRIPTEN_KEEPALIVE void Viewer_destroySwapChainRenderThread(TViewer *viewer, TSwapChain* swapChain, void (*onComplete)());
+    EMSCRIPTEN_KEEPALIVE void Viewer_renderRenderThread(TViewer *viewer, TView* view, TSwapChain* swapChain);
+    EMSCRIPTEN_KEEPALIVE void Viewer_captureRenderThread(TViewer *viewer, TView* view,  TSwapChain* swapChain, uint8_t* out, void (*onComplete)());
+    EMSCRIPTEN_KEEPALIVE void Viewer_captureRenderTargetRenderThread(TViewer *viewer, TView* view,  TSwapChain* swapChain, TRenderTarget* renderTarget, uint8_t* out, void (*onComplete)());
+    EMSCRIPTEN_KEEPALIVE void Viewer_requestFrameRenderThread(TViewer *viewer, void(*onComplete)());
+    EMSCRIPTEN_KEEPALIVE void Viewer_loadIblRenderThread(TViewer *viewer, const char *iblPath, float intensity, void(*onComplete)());
+    EMSCRIPTEN_KEEPALIVE void Viewer_createRenderTargetRenderThread(TViewer *viewer, intptr_t texture, uint32_t width, uint32_t height, void(*onComplete)(TRenderTarget*));
+    
+    EMSCRIPTEN_KEEPALIVE void View_setToneMappingRenderThread(TView *tView, TEngine *tEngine, thermion::ToneMapping toneMapping);
+    EMSCRIPTEN_KEEPALIVE void View_setBloomRenderThread(TView *tView, bool enabled, double strength);
+    
+    FilamentRenderCallback make_render_callback_fn_pointer(FilamentRenderCallback);
+    EMSCRIPTEN_KEEPALIVE void set_rendering_render_thread(TViewer *viewer, bool rendering, void(*onComplete)());
+    
+    EMSCRIPTEN_KEEPALIVE void set_frame_interval_render_thread(TViewer *viewer, float frameInterval);
+    EMSCRIPTEN_KEEPALIVE void set_background_color_render_thread(TViewer *viewer, const float r, const float g, const float b, const float a);
+    EMSCRIPTEN_KEEPALIVE void clear_background_image_render_thread(TViewer *viewer);
+    EMSCRIPTEN_KEEPALIVE void set_background_image_render_thread(TViewer *viewer, const char *path, bool fillHeight, void (*onComplete)());
+    EMSCRIPTEN_KEEPALIVE void set_background_image_position_render_thread(TViewer *viewer, float x, float y, bool clamp);
+    EMSCRIPTEN_KEEPALIVE void load_skybox_render_thread(TViewer *viewer, const char *skyboxPath, void (*onComplete)());
+    EMSCRIPTEN_KEEPALIVE void remove_skybox_render_thread(TViewer *viewer);
+
+    EMSCRIPTEN_KEEPALIVE void SceneManager_createGeometryRenderThread(
+        TSceneManager *sceneManager, 
+        float *vertices, 
+        int numVertices, 
+        float *normals, 
+        int numNormals, 
+        float *uvs, 
+        int numUvs, 
+        uint16_t *indices, 
+        int numIndices, 
+        int primitiveType, 
+        TMaterialInstance *materialInstance, 
+        bool keepData, 
+        void (*callback)(EntityId));
+    EMSCRIPTEN_KEEPALIVE void SceneManager_loadGlbFromBufferRenderThread(TSceneManager *sceneManager, const uint8_t *const data, size_t length, int numInstances, bool keepData, int priority, int layer, bool loadResourcesAsync, void (*callback)(EntityId));
+    EMSCRIPTEN_KEEPALIVE void SceneManager_createUnlitMaterialInstanceRenderThread(TSceneManager *sceneManager, void (*callback)(TMaterialInstance*));
+    EMSCRIPTEN_KEEPALIVE void SceneManager_createUnlitFixedSizeMaterialInstanceRenderThread(TSceneManager *sceneManager, void (*callback)(TMaterialInstance*));
+    EMSCRIPTEN_KEEPALIVE void load_glb_render_thread(TSceneManager *sceneManager, const char *assetPath, int numInstances, bool keepData, void (*callback)(EntityId));
+    EMSCRIPTEN_KEEPALIVE void load_gltf_render_thread(TSceneManager *sceneManager, const char *assetPath, const char *relativePath, bool keepData, void (*callback)(EntityId));
+    EMSCRIPTEN_KEEPALIVE void create_instance_render_thread(TSceneManager *sceneManager, EntityId entityId, void (*callback)(EntityId));
+    EMSCRIPTEN_KEEPALIVE void remove_entity_render_thread(TViewer *viewer, EntityId asset, void (*callback)());
+    EMSCRIPTEN_KEEPALIVE void clear_entities_render_thread(TViewer *viewer, void (*callback)());
+    
+    EMSCRIPTEN_KEEPALIVE void apply_weights_render_thread(
+        TSceneManager *sceneManager,
+        EntityId asset,
+        const char *const entityName,
+        float *const weights,
+        int count);
+    EMSCRIPTEN_KEEPALIVE void set_animation_frame_render_thread(TSceneManager *sceneManager, EntityId asset, int animationIndex, int animationFrame);
+    EMSCRIPTEN_KEEPALIVE void stop_animation_render_thread(TSceneManager *sceneManager, EntityId asset, int index);
+    EMSCRIPTEN_KEEPALIVE void get_animation_count_render_thread(TSceneManager *sceneManager, EntityId asset, void (*callback)(int));
+    EMSCRIPTEN_KEEPALIVE void get_animation_name_render_thread(TSceneManager *sceneManager, EntityId asset, char *const outPtr, int index, void (*callback)());
+    EMSCRIPTEN_KEEPALIVE void get_morph_target_name_render_thread(TSceneManager *sceneManager, EntityId assetEntity, EntityId childEntity, char *const outPtr, int index, void (*callback)());
+    EMSCRIPTEN_KEEPALIVE void get_morph_target_name_count_render_thread(TSceneManager *sceneManager, EntityId asset, EntityId childEntity, void (*callback)(int32_t));
+    EMSCRIPTEN_KEEPALIVE void set_morph_target_weights_render_thread(TSceneManager *sceneManager,
+                                                            EntityId asset,
+                                                            const float *const morphData,
+                                                            int numWeights,
+                                                            void (*callback)(bool));
+
+    EMSCRIPTEN_KEEPALIVE void update_bone_matrices_render_thread(TSceneManager *sceneManager,
+        EntityId asset, void(*callback)(bool));
+    EMSCRIPTEN_KEEPALIVE void set_bone_transform_render_thread(
+        TSceneManager *sceneManager,
+        EntityId asset,
+        int skinIndex, 
+        int boneIndex,
+        const float *const transform,
+        void (*callback)(bool));
+    EMSCRIPTEN_KEEPALIVE void set_post_processing_render_thread(TViewer *viewer, bool enabled);
+    EMSCRIPTEN_KEEPALIVE void reset_to_rest_pose_render_thread(TSceneManager *sceneManager, EntityId entityId, void(*callback)());
+    
+    EMSCRIPTEN_KEEPALIVE void unproject_texture_render_thread(TViewer* viewer, EntityId entity, uint8_t* input, uint32_t inputWidth, uint32_t inputHeight, uint8_t* out, uint32_t outWidth, uint32_t outHeight, void(*callback)());
+
+
+#ifdef __cplusplus
+}
+}
+#endif
+
+#endif // _DART_FILAMENT_FFI_API_H
diff --git a/thermion_dart/native/src/c_api/ThermionDartRenderThreadApi.cpp b/thermion_dart/native/src/c_api/ThermionDartRenderThreadApi.cpp
index c8af68ea..d901d7a6 100644
--- a/thermion_dart/native/src/c_api/ThermionDartRenderThreadApi.cpp
+++ b/thermion_dart/native/src/c_api/ThermionDartRenderThreadApi.cpp
@@ -572,13 +572,12 @@ extern "C"
         });
     auto fut = _rl->add_task(lambda);
   }
-
-  EMSCRIPTEN_KEEPALIVE void View_setBloomRenderThread(TView *tView, double bloom)
-  {
+  
+  EMSCRIPTEN_KEEPALIVE void View_setBloomRenderThread(TView *tView, bool enabled, double strength) { 
     std::packaged_task<void()> lambda(
         [=]
         {
-          View_setBloom(tView, bloom);
+          View_setBloom(tView, enabled, strength);
         });
     auto fut = _rl->add_task(lambda);
   }