o3d-webgl: convolution shader and error texture.

samples/o3d-webgl/param_object.js

 /*
  * Copyright 2010, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 91 matching lines @@
 o3d.ParamObject.prototype.createParam =
     function(param_name, param_type_name) {
   if (this.params_[param_name])
     return null;
   param_type_name = o3d.filterTypeName_(param_type_name);
   if (!o3d.global.o3d[param_type_name])
     throw ('Invalid param type name: ' + param_type_name);
   var param = new o3d.global.o3d[param_type_name];
   param.gl = this.gl;
   param.owner_ = this;
+  param.name = param_name;
   this.params_[param_name] = param;
   return this.filterResult_(this.params_[param_name]);
 };
 
 
 /**
  * Searches by name for a Param defined in the object.
  *
  * @param {string} param_name Name to search for.
  * @return {!o3d.Param}  The Param with the given name, or null otherwise.
@@ skipping 118 matching lines @@
         var param = this.getParam(o3dParamName);
         return param.value;
       });
   constructor.prototype.__defineSetter__(fieldName,
       function(v) {
         var param = this.getParam(o3dParamName);
         param.value = v;
       });
 };