Merge pull request cocos2d#3369 from samael65535/patch-1

add Function

Author: pandamicro

cocos2d/shaders/CCGLProgram.js

@@ -553,6 +553,15 @@ cc.GLProgram = cc.Class.extend(/** @lends cc.GLProgram# */{
         var locObj = typeof location === 'string' ? this.getUniformLocationForName(location) : location;
         this._glContext.uniform4fv(locObj, floatArray);
     },
+    /**
+     * calls glUniformMatrix3fv
+     * @param {WebGLUniformLocation|String} location
+     * @param {Float32Array} matrixArray
+     */
+    setUniformLocationWithMatrix3fv: function (location, matrixArray) {
+        var locObj = typeof location === 'string' ? this.getUniformLocationForName(location) : location;
+        this._glContext.uniformMatrix3fv(locObj, false, matrixArray);
+    },
 
     /**
      * calls glUniformMatrix4fv