From 0238fa54de9840fdd238080977c6669cab218c0e Mon Sep 17 00:00:00 2001
From: ahocevar <andreas.hocevar@gmail.com>
Date: Wed, 20 Nov 2013 13:05:06 +0100
Subject: [PATCH] The source determines who can do GetFeatureInfo

Now that the ol.renderer.Layer base class has a
getFeatureInfoForPixel method, we have to check whether the
source supports GetFeatureInfo, not the layer renderer.
---
 src/ol/renderer/maprenderer.js | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/ol/renderer/maprenderer.js b/src/ol/renderer/maprenderer.js
index a0463fc944..231a155228 100644
--- a/src/ol/renderer/maprenderer.js
+++ b/src/ol/renderer/maprenderer.js
@@ -122,12 +122,13 @@ ol.renderer.Map.prototype.getFeatureInfoForPixel =
     }
   };
 
-  var layer, layerRenderer;
+  var layer, layerRenderer, source;
   for (var i = 0; i < numLayers; ++i) {
     layer = layers[i];
-    layerRenderer = this.getLayerRenderer(layer);
-    if (goog.isFunction(layerRenderer.getFeatureInfoForPixel)) {
+    source = layer.getSource();
+    if (goog.isFunction(source.getFeatureInfoForPixel)) {
       ++callbackCount;
+      layerRenderer = this.getLayerRenderer(layer);
       layerRenderer.getFeatureInfoForPixel(pixel, callback, opt_error);
     }
   }