From 0db1b0c0d60ce2627593aa8e6f544ffe7401106c Mon Sep 17 00:00:00 2001
From: Tom Payne <twpayne@gmail.com>
Date: Tue, 17 Jul 2012 12:13:51 +0200
Subject: [PATCH] Override getMap in ol.webgl.LayerRenderer

---
 src/ol/webgl/layerrenderer.js     | 9 +++++++++
 src/ol/webgl/tilelayerrenderer.js | 2 +-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/ol/webgl/layerrenderer.js b/src/ol/webgl/layerrenderer.js
index 7f44c5fb57..d1f8e240fe 100644
--- a/src/ol/webgl/layerrenderer.js
+++ b/src/ol/webgl/layerrenderer.js
@@ -31,6 +31,15 @@ ol.webgl.LayerRenderer.prototype.getGL = function() {
 };
 
 
+/**
+ * @override
+ * @return {ol.webgl.Map} Map.
+ */
+ol.webgl.LayerRenderer.prototype.getMap = function() {
+  return /** @type {ol.webgl.Map} */ goog.base(this, 'getMap');
+};
+
+
 /**
  */
 ol.webgl.LayerRenderer.prototype.handleContextLost = goog.nullFunction;
diff --git a/src/ol/webgl/tilelayerrenderer.js b/src/ol/webgl/tilelayerrenderer.js
index 765c24681b..9cd6a7fe7c 100644
--- a/src/ol/webgl/tilelayerrenderer.js
+++ b/src/ol/webgl/tilelayerrenderer.js
@@ -173,7 +173,7 @@ ol.webgl.TileLayerRenderer.prototype.redraw = function() {
 
   var gl = this.getGL();
 
-  var map = /** @type {ol.webgl.Map} */ (this.getMap());
+  var map = this.getMap();
   var extent = map.getExtent();
   var resolution = map.getResolution();
   if (!goog.isDef(extent) || !goog.isDef(resolution)) {