Ignore all errors in when testing for WebGL

2012-09-28 21:36:03 +02:00
parent 2713addb33
commit e36169c936
1 changed files with 6 additions and 2 deletions
--- a/src/ol/renderer/webgl/webgl.js
+++ b/src/ol/renderer/webgl/webgl.js
@@ -14,6 +14,10 @@ ol.renderer.webgl.isSupported = function() {
  if (!('WebGLRenderingContext' in goog.global)) {
    return false;
  }
-  var canvas = goog.dom.createElement(goog.dom.TagName.CANVAS);
-  return !goog.isNull(canvas.getContext('experimental-webgl'));
+  try {
+    var canvas = goog.dom.createElement(goog.dom.TagName.CANVAS);
+    return !goog.isNull(canvas.getContext('experimental-webgl'));
+  } catch (e) {
+    return false;
+  }
 };