Implementing Binary glTF reader for the VR controller model

chrome/browser/android/vr_shell/gltf_parser.h

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_ANDROID_VR_SHELL_GLTF_PARSER_H_
 #define CHROME_BROWSER_ANDROID_VR_SHELL_GLTF_PARSER_H_
 
 #include <memory>
 #include <string>
 #include <unordered_map>
@@ skipping 49 matching lines @@
   std::unordered_map<std::string, std::size_t> buffer_ids_;
   std::unordered_map<std::string, std::size_t> buffer_view_ids_;
   std::unordered_map<std::string, std::size_t> accessor_ids_;
   std::unordered_map<std::string, std::size_t> node_ids_;
   std::unordered_map<std::string, std::size_t> mesh_ids_;
   std::unordered_map<std::string, std::size_t> scene_ids_;
 
   DISALLOW_COPY_AND_ASSIGN(GltfParser);
 };
 
+class BinaryGltfParser {
+ public:
+  // Note: If your glTF references external files, this function will perform
+  // IO, and a base path must be specified.
+  static std::unique_ptr<gltf::Asset> Parse(
+      const base::StringPiece& glb_content,
+      std::vector<std::unique_ptr<gltf::Buffer>>* buffers,
+      const base::FilePath& path = base::FilePath());
+
+ private:
+  enum {
+    kVersionStart = 4,

[mthiesse, 2017/04/28 15:51:34]

Remove this

[acondor_, 2017/04/28 16:07:01]

Done.

+    kLengthStart = 8,
+    kContentLengthStart = 12,
+    kContentFormatStart = 16,
+    kContentStart = 20
+  };
+};
+
 }  // namespace vr_shell
 
 #endif  // CHROME_BROWSER_ANDROID_VR_SHELL_GLTF_PARSER_H_