Synchronous rendering only

src/ol/renderer/canvas/canvaslayerrenderer.js

@@ -127,7 +127,6 @@ ol.renderer.canvas.Layer.prototype.dispatchComposeEvent_ = function(type, contex
     var composeEvent = new ol.render.Event(type, layer, render, frameState,
         context, null);
     layer.dispatchEvent(composeEvent);
-    render.flush();
     ol.render.canvas.rotateAtOffset(context, rotation, width / 2, height / 2);
   }
 };

src/ol/renderer/canvas/canvasmaprenderer.js

@@ -138,8 +138,6 @@ ol.renderer.canvas.Map.prototype.dispatchComposeEvent_ = function(type, frameSta
     var composeEvent = new ol.render.Event(type, map, vectorContext,
         frameState, context, null);
     map.dispatchEvent(composeEvent);
-
-    vectorContext.flush();
   }
 };
 

src/ol/renderer/dom/dommaprenderer.js

@@ -138,7 +138,6 @@ ol.renderer.dom.Map.prototype.dispatchComposeEvent_ = function(type, frameState)
     var composeEvent = new ol.render.Event(type, map, vectorContext,
         frameState, context, null);
     map.dispatchEvent(composeEvent);
-    vectorContext.flush();
   }
 };
 

src/ol/renderer/dom/domvectorlayerrenderer.js

@@ -175,7 +175,6 @@ ol.renderer.dom.VectorLayer.prototype.dispatchEvent_ = function(type, frameState
     var event = new ol.render.Event(type, layer, render, frameState,
         context, null);
     layer.dispatchEvent(event);
-    render.flush();
   }
 };