From ec8d8228cfdd0206f502bf3c58951504a545f240 Mon Sep 17 00:00:00 2001
From: Andreas Hocevar <andreas.hocevar@gmail.com>
Date: Thu, 2 Feb 2017 22:14:01 +0100
Subject: [PATCH] Less redraws while zooming in

---
 src/ol/renderer/canvas/tilelayer.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ol/renderer/canvas/tilelayer.js b/src/ol/renderer/canvas/tilelayer.js
index 105185c5de..2e1da77895 100644
--- a/src/ol/renderer/canvas/tilelayer.js
+++ b/src/ol/renderer/canvas/tilelayer.js
@@ -174,7 +174,7 @@ ol.renderer.canvas.TileLayer.prototype.prepareFrame = function(frameState, layer
   if (!(this.renderedResolution && Date.now() - frameState.time > 16 &&
       (hints[ol.ViewHint.ANIMATING] || hints[ol.ViewHint.INTERACTING])) &&
       (newTiles || !(this.renderedExtent_ &&
-      ol.extent.equals(this.renderedExtent_, imageExtent)) ||
+      ol.extent.containsExtent(this.renderedExtent_, extent)) ||
       this.renderedRevision != sourceRevision) ||
       oversampling != this.oversampling_) {