Fix handling of VectorTile renderBuffer

rendering/cases/layer-vectortile-renderbuffer/main.js

@@ -0,0 +1,59 @@
+import Feature from '../../../src/ol/Feature.js';
+import Map from '../../../src/ol/Map.js';
+import Point from '../../../src/ol/geom/Point.js';
+import VectorTileLayer from '../../../src/ol/layer/VectorTile.js';
+import VectorTileSource from '../../../src/ol/source/VectorTile.js';
+import View from '../../../src/ol/View.js';
+import {Circle, Fill, Stroke, Style} from '../../../src/ol/style.js';
+
+const offset = 1380000;
+const points = [
+  [-offset, -offset],
+  [-offset, offset],
+  [offset, offset],
+  [offset, -offset],
+];
+
+const vectorTileSource = new VectorTileSource({
+  tileUrlFunction: (tileCoord) => tileCoord,
+  tileLoadFunction(tile, tileCoord) {
+    const features = points.map(
+      (corner) =>
+        new Feature({
+          geometry: new Point(corner),
+          tileCoord,
+        })
+    );
+    tile.setFeatures(features);
+  },
+});
+
+const vectorTileLayer = new VectorTileLayer({
+  source: vectorTileSource,
+  style: new Style({
+    image: new Circle({
+      radius: 50,
+      fill: new Fill({
+        color: 'rgba(255, 0, 0, 0.5)',
+      }),
+      stroke: new Stroke({
+        width: 1,
+        color: 'black',
+      }),
+    }),
+  }),
+});
+
+new Map({
+  target: 'map',
+  layers: [vectorTileLayer],
+  view: new View({
+    center: [0, 0],
+    zoom: 2,
+    multiWorld: true,
+  }),
+});
+
+render({
+  message: 'Vector tile layer renders tiles from renderBuffer',
+});