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glConversions.h
1 //
2 // Copyright 2016 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 //
18 // Unless required by applicable law or agreed to in writing, software
19 // distributed under the Apache License with the above modification is
20 // distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
21 // KIND, either express or implied. See the Apache License for the specific
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23 //
24 #ifndef PXR_IMAGING_HD_ST_GL_CONVERSIONS_H
25 #define PXR_IMAGING_HD_ST_GL_CONVERSIONS_H
26 
27 #include "pxr/pxr.h"
28 #include "pxr/imaging/hdSt/api.h"
29 #include "pxr/imaging/hd/enums.h"
30 #include "pxr/imaging/hd/types.h"
31 #include "pxr/imaging/hio/types.h"
32 #include "pxr/base/tf/token.h"
33 
34 PXR_NAMESPACE_OPEN_SCOPE
35 
36 
37 class HdStGLConversions {
38 public:
41  HDST_API
42  static size_t GetComponentSize(int glDataType);
43 
44  HDST_API
45  static GLenum GetGlDepthFunc(HdCompareFunction func);
46 
47  HDST_API
48  static GLenum GetGlStencilFunc(HdCompareFunction func);
49 
50  HDST_API
51  static GLenum GetGlStencilOp(HdStencilOp op);
52 
53  HDST_API
54  static GLenum GetGlBlendOp(HdBlendOp op);
55 
56  HDST_API
57  static GLenum GetGlBlendFactor(HdBlendFactor factor);
58 
59  HDST_API
60  static int GetGLAttribType(HdType type);
61 
63  HDST_API
64  static TfToken GetGLSLTypename(HdType type);
65 
67  HDST_API
68  static TfToken GetGLSLIdentifier(TfToken const& identifier);
69 };
70 
71 
72 PXR_NAMESPACE_CLOSE_SCOPE
73 
74 #endif // PXR_IMAGING_HD_ST_GL_CONVERSIONS_H
Token for efficient comparison, assignment, and hashing of known strings.
Definition: token.h:87
TfToken class for efficient string referencing and hashing, plus conversions to and from stl string c...