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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
22 // language governing permissions and limitations under the Apache License.
23 //
24 #ifndef HDST_CONVERSIONS_H
25 #define HDST_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/base/tf/token.h"
32 
33 PXR_NAMESPACE_OPEN_SCOPE
34 
35 
36 class HdStGLConversions {
37 public:
40  HDST_API
41  static size_t GetComponentSize(int glDataType);
42 
43  HDST_API
44  static GLenum GetGlDepthFunc(HdCompareFunction func);
45 
46  HDST_API
47  static GLenum GetGlStencilFunc(HdCompareFunction func);
48 
49  HDST_API
50  static GLenum GetGlStencilOp(HdStencilOp op);
51 
52  HDST_API
53  static GLenum GetGlBlendOp(HdBlendOp op);
54 
55  HDST_API
56  static GLenum GetGlBlendFactor(HdBlendFactor factor);
57 
58  HDST_API
59  static GLenum GetMinFilter(HdMinFilter filter);
60 
61  HDST_API
62  static GLenum GetMagFilter(HdMagFilter filter);
63 
64  HDST_API
65  static GLenum GetWrap(HdWrap wrap);
66 
67  HDST_API
68  static void GetGlFormat(HdFormat inFormat, GLenum *outFormat, GLenum *outType, GLenum *outInternalFormat);
69 
70  HDST_API
71  static int GetGLAttribType(HdType type);
72 
74  HDST_API
75  static TfToken GetGLSLTypename(HdType type);
76 
78  HDST_API
79  static TfToken GetGLSLIdentifier(TfToken const& identifier);
80 };
81 
82 
83 PXR_NAMESPACE_CLOSE_SCOPE
84 
85 #endif // HDST_CONVERSIONS_H
Token for efficient comparison, assignment, and hashing of known strings.
Definition: token.h:89