Dispatch layer changed event when layer needs a re-render

src/ol/renderer/Layer.js

@@ -158,7 +158,7 @@ class LayerRenderer extends Observable {
   renderIfReadyAndVisible() {
     const layer = this.getLayer();
     if (layer.getVisible() && layer.getSourceState() == SourceState.READY) {
-      this.changed();
+      layer.changed();
     }
   }
 

src/ol/source/Image.js

@@ -212,7 +212,6 @@ class ImageSource extends Source {
         this.dispatchEvent(
           new ImageSourceEvent(ImageSourceEventType.IMAGELOADEND,
             image));
-        this.changed();
         break;
       case ImageState.ERROR:
         this.loading = false;