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 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:
39     HDST_API
40     static GLenum GetGlDepthFunc(HdCompareFunction func);
41 
42     HDST_API
43     static GLenum GetGlStencilFunc(HdCompareFunction func);
44 
45     HDST_API
46     static GLenum GetGlStencilOp(HdStencilOp op);
47 
48     HDST_API
49     static GLenum GetGlBlendOp(HdBlendOp op);
50 
51     HDST_API
52     static GLenum GetGlBlendFactor(HdBlendFactor factor);
53 
54     HDST_API
55     static int GetGLAttribType(HdType type);
56 
57     /// Return the name of the given type as represented in GLSL.
58     HDST_API
59     static TfToken GetGLSLTypename(HdType type);
60 
61     /// Return a GLSL-safe, mangled name identifier.
62     HDST_API
63     static TfToken GetGLSLIdentifier(TfToken const& identifier);
64 };
65 
66 
67 PXR_NAMESPACE_CLOSE_SCOPE
68 
69 #endif // PXR_IMAGING_HD_ST_GL_CONVERSIONS_H
70