add setBloom method

ios/include/FilamentViewer.hpp

@@ -53,6 +53,7 @@ namespace polyvox {
             ~FilamentViewer();
 
             void setToneMapping(ToneMapping toneMapping);
+            void setBloom(float strength);
             void loadSkybox(const char* const skyboxUri);
             void removeSkybox();
 

ios/include/PolyvoxFilamentApi.h

@@ -15,6 +15,7 @@ void set_background_image(const void* const viewer, const char *path);
 void set_background_image_position(const void* const viewer, float x, float y, bool clamp);
 void set_background_color(const void* const viewer, const float r, const float g, const float b, const float a);
 void set_tone_mapping(const void* const viewer, int toneMapping);
+void set_bloom(const void* const viewer, float strength);
 void load_skybox(const void* const viewer, const char *skyboxPath);
 void load_ibl(const void* const viewer, const char *iblPath, float intensity);
 void remove_skybox(const void* const viewer);

ios/src/FilamentViewer.cpp

@@ -138,10 +138,7 @@ FilamentViewer::FilamentViewer(const void* context, const ResourceLoaderWrapper*
 
   setToneMapping(ToneMapping::ACES);
 
-  decltype(_view->getBloomOptions()) opts;
+  setBloom(0.6f);
-  opts.enabled = true;
-  opts.strength = 0.6f;
-  _view->setBloomOptions(opts);
 
   _view->setScene(_scene);
   _view->setCamera(_mainCamera);
@@ -238,6 +235,13 @@ FilamentViewer::FilamentViewer(const void* context, const ResourceLoaderWrapper*
   _scene->addEntity(imageEntity);
 }
 
+void FilamentViewer::setBloom(float strength) {
+  decltype(_view->getBloomOptions()) opts;
+  opts.enabled = true;
+  opts.strength = strength;
+  _view->setBloomOptions(opts);
+}
+
 void FilamentViewer::setToneMapping(ToneMapping toneMapping) {
   
   ToneMapper* tm;

ios/src/PolyvoxFilamentApi.cpp

@@ -52,6 +52,11 @@ extern "C" {
       ((FilamentViewer*)viewer)->setToneMapping((ToneMapping)toneMapping);
   }
 
+  FLUTTER_PLUGIN_EXPORT void set_bloom(const void* const viewer, float strength) {
+        Log("Setting bloom to %f", strength);
+      ((FilamentViewer*)viewer)->setBloom(strength);
+  }
+
   FLUTTER_PLUGIN_EXPORT void load_skybox(const void* const viewer, const char* skyboxPath) {
       ((FilamentViewer*)viewer)->loadSkybox(skyboxPath);
   }

lib/filament_controller.dart

@@ -366,6 +366,12 @@ class FilamentController {
     }
   }
 
+  void setBloom(double bloom) async {
+    if (!await _channel.invokeMethod("setBloom", bloom)) {
+      throw Exception("Failed to set bloom");
+    }
+  }
+
   void setCameraFocalLength(double focalLength) async {
     await _channel.invokeMethod("setCameraFocalLength", focalLength);
   }

linux/polyvox_filament_plugin.cc

@@ -703,6 +703,12 @@ static FlMethodResponse* _set_tone_mapping(PolyvoxFilamentPlugin* self, FlMethod
   return FL_METHOD_RESPONSE(fl_method_success_response_new(fl_value_new_bool(true)));      
 }
 
+static FlMethodResponse* _set_bloom(PolyvoxFilamentPlugin* self, FlMethodCall* method_call) {
+  FlValue* args = fl_method_call_get_args(method_call);
+  set_bloom(self->viewer, fl_value_get_float(args));
+  return FL_METHOD_RESPONSE(fl_method_success_response_new(fl_value_new_bool(true)));      
+}
+
 // Called when a method call is received from Flutter.
 static void polyvox_filament_plugin_handle_method_call(
     PolyvoxFilamentPlugin* self,
@@ -722,6 +728,8 @@ static void polyvox_filament_plugin_handle_method_call(
     response = _get_asset_manager(self, method_call);
   } else if(strcmp(method, "setToneMapping") == 0) {
     response = _set_tone_mapping(self, method_call);
+  } else if(strcmp(method, "setBloom") == 0) {
+    response = _set_bloom(self, method_call);
   } else if(strcmp(method, "resize") == 0) {
     response = _resize(self, method_call);
   } else if(strcmp(method, "getContext") == 0) {