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:
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8 //
9 // 6. Trademarks. This License does not grant permission to use the trade
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14 // You may obtain a copy of the Apache License at
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19 // distributed under the Apache License with the above modification is
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24 #ifndef PXR_USD_USD_RI_RMAN_UTILITIES_H
25 #define PXR_USD_USD_RI_RMAN_UTILITIES_H
26 
27 /// \file usdRi/rmanUtilities.h
28 /// Utilities for converting between USD encodings and Renderman encodings in
29 /// cases where there is a difference.
30 
31 #include "pxr/pxr.h"
32 #include "pxr/usd/usdRi/api.h"
33 
34 PXR_NAMESPACE_OPEN_SCOPE
35 
36 class TfToken;
37 
38 /// Given a \p token representing a UsdGeom interpolate boundary value, returns
39 /// corresponding rman enum (converted to int).
40 USDRI_API
41 int UsdRiConvertToRManInterpolateBoundary(const TfToken &token);
42 
43 /// Given the integer \p i that corresponds to an rman enum for interpolate
44 /// boundary condition, returns the equivalent UsdGeom token.
45 USDRI_API
46 const TfToken &UsdRiConvertFromRManInterpolateBoundary(int i);
47 
48 /// Given a \p token representing a UsdGeom face-varying interpolate boundary
49 /// value, returns corresponding rman enum (converted to int).
50 USDRI_API
51 int UsdRiConvertToRManFaceVaryingLinearInterpolation(const TfToken &token);
52 
53 /// Given the integer \p i that corresponds to an rman enum for face-varying
54 /// interpolate boundary condition, returns the equivalent UsdGeom token.
55 USDRI_API
56 const TfToken &UsdRiConvertFromRManFaceVaryingLinearInterpolation(int i);
57 
58 /// Given a \p token representing a UsdGeom Catmull-Clark triangle subdivision
59 /// rule value, returns corresponding rman enum (converted to int).
60 USDRI_API
61 int UsdRiConvertToRManTriangleSubdivisionRule(const TfToken &token);
62 
63 /// Given the integer \p i that corresponds to an rman enum for a Catmull-
64 /// Clark triangle subdivision rule, returns the equivalent UsdGeom token.
65 USDRI_API
66 const TfToken &UsdRiConvertFromRManTriangleSubdivisionRule(int i);
67 
68 PXR_NAMESPACE_CLOSE_SCOPE
69 
70 #endif //PXR_USD_USD_RI_RMAN_UTILITIES_H
71