1 
2 //
3 // This source file is part of appleseed.
4 // Visit https://appleseedhq.net/ for additional information and resources.
5 //
6 // This software is released under the MIT license.
7 //
8 // Copyright (c) 2010-2013 Francois Beaune, Jupiter Jazz Limited
9 // Copyright (c) 2014-2018 Francois Beaune, The appleseedhq Organization
10 //
11 // Permission is hereby granted, free of charge, to any person obtaining a copy
12 // of this software and associated documentation files (the "Software"), to deal
13 // in the Software without restriction, including without limitation the rights
14 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
15 // copies of the Software, and to permit persons to whom the Software is
16 // furnished to do so, subject to the following conditions:
17 //
18 // The above copyright notice and this permission notice shall be included in
19 // all copies or substantial portions of the Software.
20 //
21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
22 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
24 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
26 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
27 // THE SOFTWARE.
28 //
29 
30 #pragma once
31 
32 // appleseed.renderer headers.
33 #include "renderer/global/globaltypes.h"
34 
35 // Standard headers.
36 #include <cstddef>
37 #include <vector>
38 
39 // Forward declarations.
40 namespace foundation    { class MemoryWriter; }
41 namespace renderer      { class TriangleVertexInfo; }
42 
43 namespace renderer
44 {
45 
46 class TriangleEncoder
47 {
48   public:
49     static size_t compute_size(
50         const std::vector<TriangleVertexInfo>&  triangle_vertex_infos,
51         const std::vector<size_t>&              triangle_indices,
52         const size_t                            item_begin,
53         const size_t                            item_count);
54 
55     static void encode(
56         const std::vector<TriangleVertexInfo>&  triangle_vertex_infos,
57         const std::vector<GVector3>&            triangle_vertices,
58         const std::vector<size_t>&              triangle_indices,
59         const size_t                            item_begin,
60         const size_t                            item_count,
61         foundation::MemoryWriter&               writer);
62 };
63 
64 }   // namespace renderer
65