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fieldAdapter.h
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2 // Copyright 2018 Pixar
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24 #ifndef PXR_USD_IMAGING_USD_IMAGING_FIELD_ADAPTER_H
25 #define PXR_USD_IMAGING_USD_IMAGING_FIELD_ADAPTER_H
26 
28 
29 #include "pxr/pxr.h"
30 #include "pxr/usdImaging/usdImaging/api.h"
31 #include "pxr/usdImaging/usdImaging/primAdapter.h"
32 
33 PXR_NAMESPACE_OPEN_SCOPE
34 
35 
36 class UsdPrim;
37 
43 public:
45 
46 
49  {}
50 
51  USDIMAGING_API
52  ~UsdImagingFieldAdapter() override;
53 
54  USDIMAGING_API
55  SdfPath Populate(UsdPrim const& prim,
56  UsdImagingIndexProxy* index,
58  instancerContext = nullptr) override;
59 
60  USDIMAGING_API
61  bool IsSupported(UsdImagingIndexProxy const* index) const override;
62 
63  // ---------------------------------------------------------------------- //
65  // ---------------------------------------------------------------------- //
66 
68  USDIMAGING_API
69  void TrackVariability(UsdPrim const& prim,
70  SdfPath const& cachePath,
71  HdDirtyBits* timeVaryingBits,
73  instancerContext = nullptr) const override;
74 
75 
77  USDIMAGING_API
78  void UpdateForTime(UsdPrim const& prim,
79  SdfPath const& cachePath,
80  UsdTimeCode time,
81  HdDirtyBits requestedBits,
83  instancerContext = nullptr) const override;
84 
85  // ---------------------------------------------------------------------- //
87  // ---------------------------------------------------------------------- //
88 
91  USDIMAGING_API
92  HdDirtyBits ProcessPropertyChange(UsdPrim const& prim,
93  SdfPath const& cachePath,
94  TfToken const& propertyName) override;
95 
96  USDIMAGING_API
97  void MarkDirty(UsdPrim const& prim,
98  SdfPath const& cachePath,
99  HdDirtyBits dirty,
100  UsdImagingIndexProxy* index) override;
101 
102  USDIMAGING_API
103  void MarkTransformDirty(UsdPrim const& prim,
104  SdfPath const& cachePath,
105  UsdImagingIndexProxy* index) override;
106 
107  USDIMAGING_API
108  void MarkVisibilityDirty(UsdPrim const& prim,
109  SdfPath const& cachePath,
110  UsdImagingIndexProxy* index) override;
111 
112  // ---------------------------------------------------------------------- //
114  // ---------------------------------------------------------------------- //
115 
116  USDIMAGING_API
117  VtValue Get(UsdPrim const& prim,
118  SdfPath const& cachePath,
119  TfToken const& key,
120  UsdTimeCode time) const override;
121 
122  // ---------------------------------------------------------------------- //
124  // ---------------------------------------------------------------------- //
127  USDIMAGING_API
128  virtual TfToken GetPrimTypeToken() const = 0;
129 
130 protected:
131  USDIMAGING_API
132  void _RemovePrim(SdfPath const& cachePath,
133  UsdImagingIndexProxy* index) override;
134 };
135 
136 
137 PXR_NAMESPACE_CLOSE_SCOPE
138 
139 #endif // PXR_USD_IMAGING_USD_IMAGING_FIELD_ADAPTER_H
Base class for all USD fields.
Definition: fieldAdapter.h:42
virtual USDIMAGING_API TfToken GetPrimTypeToken() const =0
Returns the token specifying the Hydra primitive type that is created by this adapter.
USDIMAGING_API VtValue Get(UsdPrim const &prim, SdfPath const &cachePath, TfToken const &key, UsdTimeCode time) const override
Gets the value of the parameter named key for the given prim (which has the given cache path) and giv...
This proxy class exposes a subset of the private Delegate API to PrimAdapters.
Definition: indexProxy.h:47
Token for efficient comparison, assignment, and hashing of known strings.
Definition: token.h:87
Represent a time value, which may be either numeric, holding a double value, or a sentinel value UsdT...
Definition: timeCode.h:85
Base class for all PrimAdapters.
Definition: primAdapter.h:66
USDIMAGING_API void TrackVariability(UsdPrim const &prim, SdfPath const &cachePath, HdDirtyBits *timeVaryingBits, UsdImagingInstancerContext const *instancerContext=nullptr) const override
Thread Safe.
UsdPrim is the sole persistent scenegraph object on a UsdStage, and is the embodiment of a "Prim" as ...
Definition: prim.h:132
A path value used to locate objects in layers or scenegraphs.
Definition: path.h:288
USDIMAGING_API void UpdateForTime(UsdPrim const &prim, SdfPath const &cachePath, UsdTimeCode time, HdDirtyBits requestedBits, UsdImagingInstancerContext const *instancerContext=nullptr) const override
Thread Safe.
USDIMAGING_API bool IsSupported(UsdImagingIndexProxy const *index) const override
Returns true if the adapter can be populated into the target index.
Object used by instancer prim adapters to pass along context about the instancer and instance prim to...
USDIMAGING_API SdfPath Populate(UsdPrim const &prim, UsdImagingIndexProxy *index, UsdImagingInstancerContext const *instancerContext=nullptr) override
Called to populate the RenderIndex for this UsdPrim.
USDIMAGING_API HdDirtyBits ProcessPropertyChange(UsdPrim const &prim, SdfPath const &cachePath, TfToken const &propertyName) override
Returns a bit mask of attributes to be udpated, or HdChangeTracker::AllDirty if the entire prim must ...
Provides a container which may hold any type, and provides introspection and iteration over array typ...
Definition: value.h:168