dataSourceMaterial.h
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24 #ifndef PXR_USD_IMAGING_USD_IMAGING_DATA_SOURCE_MATERIAL_H
25 #define PXR_USD_IMAGING_USD_IMAGING_DATA_SOURCE_MATERIAL_H
26 
27 #include "pxr/imaging/hd/dataSource.h"
28 
29 #include "pxr/usd/usd/prim.h"
30 
31 #include "pxr/usdImaging/usdImaging/dataSourcePrim.h"
32 #include "pxr/usdImaging/usdImaging/dataSourceStageGlobals.h"
33 
35 
36 #include <tbb/concurrent_unordered_map.h>
37 
38 PXR_NAMESPACE_OPEN_SCOPE
39 
40 // ----------------------------------------------------------------------------
41 
47 {
48 public:
49  HD_DECLARE_DATASOURCE(UsdImagingDataSourceMaterial);
50 
51  TfTokenVector GetNames() override;
52  HdDataSourceBaseHandle Get(const TfToken &name) override;
53 
55 
56 private:
57 
63  UsdPrim usdPrim,
64  const UsdImagingDataSourceStageGlobals &stageGlobals,
65  const TfToken &fixedTerminalName = TfToken()
66  );
67 
68 
69 private:
70 
71  UsdPrim _usdPrim;
72  const UsdImagingDataSourceStageGlobals &_stageGlobals;
73 
74  // Cache the networks by context name.
75  using _ContextMap = tbb::concurrent_unordered_map<
76  TfToken, HdDataSourceBaseHandle, TfToken::HashFunctor>;
77 
78 
79  TfToken _fixedTerminalName;
80  _ContextMap _networks;
81 };
82 
83 HD_DECLARE_DATASOURCE_HANDLES(UsdImagingDataSourceMaterial);
84 
85 PXR_NAMESPACE_CLOSE_SCOPE
86 
87 #endif //PXR_USD_IMAGING_USD_IMAGING_DATA_SOURCE_MATERIAL_H
A data source mapping to HdMaterialSchema from an UsdShadeMaterial prim.
Functor to use for hash maps from tokens to other things.
Definition: token.h:166
A datasource representing structured (named, hierarchical) data, for example a geometric primitive or...
Definition: dataSource.h:110
Token for efficient comparison, assignment, and hashing of known strings.
Definition: token.h:87
HdDataSourceBaseHandle Get(const TfToken &name) override
Returns the child datasource of the given name.
This class is used as a context object with global stage information, that gets passed down to dataso...
UsdPrim is the sole persistent scenegraph object on a UsdStage, and is the embodiment of a "Prim" as ...
Definition: prim.h:134
std::vector< TfToken > TfTokenVector
Convenience types.
Definition: token.h:442
TfTokenVector GetNames() override
Returns the list of names for which Get(...) is expected to return a non-null value.