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types.h
1 //
2 // Copyright 2019 Pixar
3 //
4 // Licensed under the Apache License, Version 2.0 (the "Apache License")
5 // with the following modification; you may not use this file except in
6 // compliance with the Apache License and the following modification to it:
7 // Section 6. Trademarks. is deleted and replaced with:
8 //
9 // 6. Trademarks. This License does not grant permission to use the trade
10 // names, trademarks, service marks, or product names of the Licensor
11 // and its affiliates, except as required to comply with Section 4(c) of
12 // the License and to reproduce the content of the NOTICE file.
13 //
14 // You may obtain a copy of the Apache License at
15 //
16 // http://www.apache.org/licenses/LICENSE-2.0
17 //
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19 // distributed under the Apache License with the above modification is
20 // distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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24 #ifndef PXR_IMAGING_HGI_TYPES_H
25 #define PXR_IMAGING_HGI_TYPES_H
26 
27 #include "pxr/pxr.h"
28 
29 
30 PXR_NAMESPACE_OPEN_SCOPE
31 
40 enum HgiFormat
41 {
42  HgiFormatInvalid=-1,
43 
44  // UNorm8 - a 1-byte value representing a float between 0 and 1.
45  // float value = (unorm / 255.0f);
46  HgiFormatUNorm8=0,
47  HgiFormatUNorm8Vec2,
48  HgiFormatUNorm8Vec3,
49  HgiFormatUNorm8Vec4,
50 
51  // SNorm8 - a 1-byte value representing a float between -1 and 1.
52  // float value = max(snorm / 127.0f, -1.0f);
53  HgiFormatSNorm8,
54  HgiFormatSNorm8Vec2,
55  HgiFormatSNorm8Vec3,
56  HgiFormatSNorm8Vec4,
57 
58  // Float16 - a 2-byte IEEE half-precision float.
59  HgiFormatFloat16,
60  HgiFormatFloat16Vec2,
61  HgiFormatFloat16Vec3,
62  HgiFormatFloat16Vec4,
63 
64  // Float32 - a 4-byte IEEE float.
65  HgiFormatFloat32,
66  HgiFormatFloat32Vec2,
67  HgiFormatFloat32Vec3,
68  HgiFormatFloat32Vec4,
69 
70  // Int32 - a 4-byte signed integer
71  HgiFormatInt32,
72  HgiFormatInt32Vec2,
73  HgiFormatInt32Vec3,
74  HgiFormatInt32Vec4,
75 
76  HgiFormatCount
77 };
78 
79 
80 PXR_NAMESPACE_CLOSE_SCOPE
81 
82 #endif