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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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
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24 #ifndef PXR_USD_IMAGING_USD_IMAGING_INSTANCER_CONTEXT_H
25 #define PXR_USD_IMAGING_USD_IMAGING_INSTANCER_CONTEXT_H
26 
27 /// \file usdImaging/instancerContext.h
28 
29 #include "pxr/pxr.h"
30 #include "pxr/usdImaging/usdImaging/api.h"
31 #include "pxr/usd/sdf/path.h"
32 
33 PXR_NAMESPACE_OPEN_SCOPE
34 
35 
36 using UsdImagingPrimAdapterSharedPtr =
37     std::shared_ptr<class UsdImagingPrimAdapter>;
38 
39 /// \class UsdImagingInstancerContext
40 ///
41 /// Object used by instancer prim adapters to pass along context
42 /// about the instancer and instance prim to prototype prim adapters.
43 ///
44 class UsdImagingInstancerContext
45 {
46 public:
47     /// The cachePath of the instancer.
48     SdfPath instancerCachePath;
49 
50     /// The name of the child prim, typically used for prototypes.
51     TfToken childName;
52 
53     /// The USD path to the material bound to the instance prim
54     /// being processed.
55     SdfPath instancerMaterialUsdPath;
56 
57     /// The draw mode bound to the instance prim being processed.
58     TfToken instanceDrawMode;
59 
60     // The inheritable purpose bound to the instance prim being processed. If
61     // the instance prim can provide this, prototypes without an explicit or
62     // inherited purpose will inherit this purpose from the instance.
63     TfToken instanceInheritablePurpose;
64 
65     /// The instancer's prim Adapter. Useful when an adapter is needed, but the
66     /// default adapter may be overridden for the sake of instancing.
67     UsdImagingPrimAdapterSharedPtr instancerAdapter;
68 };
69 
70 
71 PXR_NAMESPACE_CLOSE_SCOPE
72 
73 #endif // PXR_USD_IMAGING_USD_IMAGING_INSTANCER_CONTEXT_H
74