From 7febc1c8b3c5050659ea58f218d328b25fee8e41 Mon Sep 17 00:00:00 2001
From: Tom Payne <twpayne@gmail.com>
Date: Wed, 18 Jul 2012 00:09:03 +0200
Subject: [PATCH] Add ol.webgl.TileLayerRenderer.getMatrix

---
 src/ol/webgl/tilelayerrenderer.js | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/ol/webgl/tilelayerrenderer.js b/src/ol/webgl/tilelayerrenderer.js
index 0dcc987a3f..68d26359b4 100644
--- a/src/ol/webgl/tilelayerrenderer.js
+++ b/src/ol/webgl/tilelayerrenderer.js
@@ -128,6 +128,12 @@ ol.webgl.TileLayerRenderer = function(map, tileLayer) {
    */
   this.tileChangeListenerKeys_ = {};
 
+  /**
+   * @private
+   * @type {goog.vec.Mat4.AnyType}
+   */
+  this.matrix_ = goog.vec.Mat4.createFloat32();
+
 };
 goog.inherits(ol.webgl.TileLayerRenderer, ol.webgl.LayerRenderer);
 
@@ -172,6 +178,14 @@ ol.webgl.TileLayerRenderer.prototype.disposeInternal = function() {
 };
 
 
+/**
+ * @inheritDoc
+ */
+ol.webgl.TileLayerRenderer.prototype.getMatrix = function() {
+  return this.matrix_;
+};
+
+
 /**
  */
 ol.webgl.TileLayerRenderer.prototype.handleWebGLContextLost = function() {