From 1ee1ea6a1a4dc15b4490755894ca0d17afc605f6 Mon Sep 17 00:00:00 2001
From: ahocevar <andreas.hocevar@gmail.com>
Date: Tue, 10 Jul 2018 16:51:09 +0200
Subject: [PATCH] Skip rendering when there is no replay group

---
 src/ol/renderer/canvas/VectorTileLayer.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/ol/renderer/canvas/VectorTileLayer.js b/src/ol/renderer/canvas/VectorTileLayer.js
index b375d83597..afe459dc2a 100644
--- a/src/ol/renderer/canvas/VectorTileLayer.js
+++ b/src/ol/renderer/canvas/VectorTileLayer.js
@@ -392,7 +392,9 @@ CanvasVectorTileLayerRenderer.prototype.postCompose = function(context, frameSta
           continue;
         }
         const replayGroup = sourceTile.getReplayGroup(layer, tileCoord.toString());
-        if (renderMode != VectorTileRenderType.VECTOR && !replayGroup.hasReplays(replayTypes)) {
+        if (!replayGroup || !replayGroup.hasReplays(replayTypes)) {
+          // sourceTile was not yet loaded when this.createReplayGroup_() was
+          // called, or it has no replays of the types we want to render
           continue;
         }
         if (!transform) {