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+/*
+ * Copyright 2009, 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.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+/**
+ * @fileoverview This file contains various functions for helping setup
+ * packs for o3d.  It puts them in the "pack" module on the o3djs
+ * object.
+ *
+ *     Note: This library is only a sample. It is not meant to be some official
+ *     library. It is provided only as example code.
+ *
+ */
+
+o3djs.provide('o3djs.pack');
+
+o3djs.require('o3djs.material');
+o3djs.require('o3djs.shape');
+
+/**
+ * A Module with utilities for dealing with packs..
+ * @namespace
+ */
+o3djs.pack = o3djs.pack || {};
+
+/**
+ * Prepares a pack for rendering.
+ *
+ * @param {!o3d.Pack} pack Pack to prepare.
+ * @param {!o3djs.rendergraph.ViewInfo} viewInfo as returned from
+ *     o3djs.rendergraph.createView.
+ * @param {!o3d.Pack} opt_effectPack Pack to create effects in. If this is
+ *     not specifed the pack to prepare above will be used.
+ *
+ * @see o3djs.material.prepareMaterials
+ * @see o3djs.shape.prepareShapes
+ */
+o3djs.pack.preparePack = function(pack, viewInfo, opt_effectPack) {
+  o3djs.material.prepareMaterials(pack, viewInfo, opt_effectPack);
+  o3djs.shape.prepareShapes(pack);
+};
+