Remove vector mode for vector tile rendering

src/ol/layer/VectorTile.js

@@ -94,9 +94,8 @@ class VectorTileLayer extends BaseVectorLayer {
     let renderMode = options.renderMode || VectorTileRenderType.HYBRID;
     assert(renderMode == undefined ||
        renderMode == VectorTileRenderType.IMAGE ||
-       renderMode == VectorTileRenderType.HYBRID ||
-       renderMode == VectorTileRenderType.VECTOR,
-    28); // `renderMode` must be `'image'`, `'hybrid'` or `'vector'`
+       renderMode == VectorTileRenderType.HYBRID,
+    28); // `renderMode` must be `'image'` or `'hybrid'`
 
     if (options.declutter && renderMode == VectorTileRenderType.IMAGE) {
       renderMode = VectorTileRenderType.HYBRID;

src/ol/layer/VectorTileRenderType.js

@@ -17,6 +17,5 @@
  */
 export default {
   IMAGE: 'image',
-  HYBRID: 'hybrid',
-  VECTOR: 'vector'
+  HYBRID: 'hybrid'
 };

src/ol/renderer/canvas/VectorTileLayer.js

@@ -58,9 +58,7 @@ class CanvasVectorTileLayerRenderer extends CanvasTileLayerRenderer {
    * @param {import("../../layer/VectorTile.js").default} layer VectorTile layer.
    */
   constructor(layer) {
-
-    const renderMode = layer.getRenderMode();
-    super(layer, renderMode === VectorTileRenderType.VECTOR);
+    super(layer);
 
     /**
      * Declutter tree.
@@ -86,9 +84,8 @@ class CanvasVectorTileLayerRenderer extends CanvasTileLayerRenderer {
      */
     this.tmpTransform_ = createTransform();
 
-    // Use lower resolution for pure vector rendering. Closest resolution otherwise.
-    this.zDirection = renderMode === VectorTileRenderType.VECTOR ? 1 : 0;
-
+    // Use closest resolution.
+    this.zDirection = 0;
 
     listen(labelCache, EventType.CLEAR, this.handleFontsChanged_, this);