From 74f7bdc3a8f0a88848474da746d16e584ae226d1 Mon Sep 17 00:00:00 2001
From: Frederic Junod <frederic.junod@camptocamp.com>
Date: Thu, 8 Feb 2018 08:35:05 +0100
Subject: [PATCH] Use tmpSize to reduce garbage generation

---
 src/ol/source/VectorTile.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/ol/source/VectorTile.js b/src/ol/source/VectorTile.js
index bc93a7e534..de57f87b1e 100644
--- a/src/ol/source/VectorTile.js
+++ b/src/ol/source/VectorTile.js
@@ -162,7 +162,8 @@ VectorTileSource.prototype.getTilePixelRatio = function(pixelRatio) {
  * @inheritDoc
  */
 VectorTileSource.prototype.getTilePixelSize = function(z, pixelRatio, projection) {
-  const tileSize = toSize(this.getTileGridForProjection(projection).getTileSize(z));
+  const tileGrid = this.getTileGridForProjection(projection);
+  const tileSize = toSize(tileGrid.getTileSize(z), this.tmpSize);
   return [Math.round(tileSize[0] * pixelRatio), Math.round(tileSize[1] * pixelRatio)];
 };
 export default VectorTileSource;