Merge pull request #5196 from ahocevar/batch-fill-stroke

Batch polygon and circle fills and strokes

src/ol/renderer/canvas/vectortilelayer.js

@@ -220,7 +220,7 @@ ol.renderer.canvas.VectorTileLayer.prototype.createReplayGroup = function(tile,
   }
   replayState.dirty = false;
   var replayGroup = new ol.render.canvas.ReplayGroup(0, extent,
-      tileResolution, layer.getRenderBuffer());
+      tileResolution, source.getOverlaps(), layer.getRenderBuffer());
   var squaredTolerance = ol.renderer.vector.getSquaredTolerance(
       tileResolution, pixelRatio);