Add tex loadPerfTest.js

scripts/developer/tests/scriptableResource/loadPerfTest.js

@@ -0,0 +1,34 @@
+//
+//  loadPerfTest.js
+//  scripts/developer/tests/scriptableResource 
+//
+//  Created by Zach Pomerantz on 4/27/16.
+//  Copyright 2016 High Fidelity, Inc.
+//
+//  Preloads 158 textures 50 times for performance profiling.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+var TIMES = 50;
+
+Script.include([
+    '../../../developer/utilities/cache/cacheStats.js',
+    'lib.js',
+], function() {
+    var fetch = function() {
+        prefetch(function(frames) {
+            while (frames.length) { frames.pop(); }
+            Script.requestGarbageCollection();
+
+            if (--TIMES > 0) {
+                // Pause a bit to avoid a deadlock
+                var DEADLOCK_AVOIDANCE_TIMEOUT = 100;
+                Script.setTimeout(fetch, DEADLOCK_AVOIDANCE_TIMEOUT);
+            }
+        });
+    };
+
+    fetch();
+});