materialBindingsResolvingSceneIndex.h
1 //
2 // Copyright 2023 Pixar
3 //
4 // Licensed under the terms set forth in the LICENSE.txt file available at
5 // https://openusd.org/license.
6 #ifndef PXR_USD_IMAGING_USD_IMAGING_MATERIAL_BINDINGS_RESOLVING_SCENE_INDEX_H
7 #define PXR_USD_IMAGING_USD_IMAGING_MATERIAL_BINDINGS_RESOLVING_SCENE_INDEX_H
8 
9 #include "pxr/pxr.h"
10 #include "pxr/usdImaging/usdImaging/api.h"
11 #include "pxr/imaging/hd/filteringSceneIndex.h"
12 
13 PXR_NAMESPACE_OPEN_SCOPE
14 
16 
25 {
26 public:
27  USDIMAGING_API
28  static UsdImagingMaterialBindingsResolvingSceneIndexRefPtr
29  New(const HdSceneIndexBaseRefPtr &inputSceneIndex,
30  const HdContainerDataSourceHandle &inputArgs);
31 
32  USDIMAGING_API
34 
35  USDIMAGING_API
36  HdSceneIndexPrim GetPrim(const SdfPath &primPath) const override;
37  USDIMAGING_API
38  SdfPathVector GetChildPrimPaths(const SdfPath &primPath) const override;
39 
40 protected:
42  const HdSceneIndexBaseRefPtr &inputSceneIndex,
43  const HdContainerDataSourceHandle &inputArgs);
44 
45  void _PrimsAdded(
46  const HdSceneIndexBase &sender,
47  const HdSceneIndexObserver::AddedPrimEntries &entries) override;
48 
49  void _PrimsRemoved(
50  const HdSceneIndexBase &sender,
51  const HdSceneIndexObserver::RemovedPrimEntries &entries) override;
52 
53  void _PrimsDirtied(
54  const HdSceneIndexBase &sender,
55  const HdSceneIndexObserver::DirtiedPrimEntries &entries) override;
56 };
57 
58 PXR_NAMESPACE_CLOSE_SCOPE
59 
60 #endif // PXR_USD_IMAGING_USD_IMAGING_GL_MATERIAL_BINDINGS_RESOLVING_SCENE_INDEX_H
An abstract base class for a filtering scene index that observes a single input scene index.
USDIMAGING_API HdSceneIndexPrim GetPrim(const SdfPath &primPath) const override
Returns a pair of (prim type, datasource).
USDIMAGING_API SdfPathVector GetChildPrimPaths(const SdfPath &primPath) const override
Returns the paths of all scene index prims located immediately below primPath.
Scene index that computes the resolved material binding for a given purpose from the flattened direct...
Small struct representing a 'prim' in the Hydra scene index.
Definition: sceneIndex.h:35
Abstract interface to scene data.
Definition: sceneIndex.h:54
A path value used to locate objects in layers or scenegraphs.
Definition: path.h:280
#define TF_DECLARE_REF_PTRS(type)
Define standard ref pointer types.
Definition: declarePtrs.h:58