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1 // Copyright 2017 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef CHROME_BROWSER_ANDROID_VR_SHELL_GLTF_PARSER_H_ | |
6 #define CHROME_BROWSER_ANDROID_VR_SHELL_GLTF_PARSER_H_ | |
7 | |
8 #include <memory> | |
9 #include <string> | |
10 #include <unordered_map> | |
11 | |
12 #include "base/values.h" | |
13 #include "chrome/browser/android/vr_shell/gltf_asset.h" | |
14 | |
15 namespace vr_shell { | |
16 | |
17 // Parser for glTF 1.0 specification | |
18 // https://github.com/KhronosGroup/glTF/tree/master/specification/1.0 | |
19 // Supported objects are limited to: buffers, bufferViews, accessors, | |
20 // meshes (limited), nodes (limited), scenes (limited). | |
21 // Non-supported objects include: materials, techniques, skins, shaders, | |
22 // programs, animations, cameras, images, textures, extensions. | |
23 // This parser is not intended to be used on user or third-party data, | |
24 // but only on thoroughly tested Chromium-defined files. | |
mthiesse
2017/03/22 18:53:43
nit: s/Chromium-defined/Chromium resource/
acondor_
2017/03/22 19:34:24
Done.
| |
25 // TODO(acondor): Implement glTF 2.0 parser. gltf::Asset is mostly version | |
26 // agnostic. | |
27 class GltfParser { | |
28 public: | |
29 GltfParser(); | |
30 ~GltfParser(); | |
31 std::unique_ptr<gltf::Asset> Parse(const base::DictionaryValue& dict); | |
32 | |
33 private: | |
34 bool ParseInternal(const base::DictionaryValue& dict); | |
35 bool SetBuffers(const base::DictionaryValue& dict); | |
36 bool SetBufferViews(const base::DictionaryValue& dict); | |
37 bool SetAccessors(const base::DictionaryValue& dict); | |
38 bool SetMeshes(const base::DictionaryValue& dict); | |
39 bool SetNodes(const base::DictionaryValue& dict); | |
40 bool SetScenes(const base::DictionaryValue& dict); | |
41 std::unique_ptr<gltf::Mesh::Primitive> ProcessPrimitive( | |
42 const base::DictionaryValue& dict); | |
43 | |
44 std::unique_ptr<gltf::Asset> asset_; | |
45 std::unordered_map<std::string, std::size_t> buffer_ids_; | |
46 std::unordered_map<std::string, std::size_t> buffer_view_ids_; | |
47 std::unordered_map<std::string, std::size_t> accessor_ids_; | |
48 std::unordered_map<std::string, std::size_t> node_ids_; | |
49 std::unordered_map<std::string, std::size_t> mesh_ids_; | |
50 std::unordered_map<std::string, std::size_t> scene_ids_; | |
51 | |
52 DISALLOW_COPY_AND_ASSIGN(GltfParser); | |
53 }; | |
54 | |
55 } // namespace vr_shell | |
56 | |
57 #endif // CHROME_BROWSER_ANDROID_VR_SHELL_GLTF_PARSER_H_ | |
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