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meshAdapter.h
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24 #ifndef PXR_USD_IMAGING_USD_IMAGING_MESH_ADAPTER_H
25 #define PXR_USD_IMAGING_USD_IMAGING_MESH_ADAPTER_H
26 
28 
29 #include "pxr/pxr.h"
30 #include "pxr/usdImaging/usdImaging/api.h"
33 
34 PXR_NAMESPACE_OPEN_SCOPE
35 
36 
37 class HdSubdivTags;
38 class PxOsdSubdivTags;
39 
45 {
46 public:
48 
51  {}
52  USDIMAGING_API
53  ~UsdImagingMeshAdapter() override;
54 
55  USDIMAGING_API
57  UsdPrim const& prim,
58  UsdImagingIndexProxy* index,
59  UsdImagingInstancerContext const* instancerContext = nullptr) override;
60 
61  USDIMAGING_API
62  bool IsSupported(UsdImagingIndexProxy const* index) const override;
63 
64  // ---------------------------------------------------------------------- //
66  // ---------------------------------------------------------------------- //
67 
69  USDIMAGING_API
70  void TrackVariability(UsdPrim const& prim,
71  SdfPath const& cachePath,
72  HdDirtyBits* timeVaryingBits,
74  instancerContext = nullptr) const override;
75 
76 
78  USDIMAGING_API
79  void UpdateForTime(UsdPrim const& prim,
80  SdfPath const& cachePath,
81  UsdTimeCode time,
82  HdDirtyBits requestedBits,
84  instancerContext = nullptr) const override;
85 
86  // ---------------------------------------------------------------------- //
88  // ---------------------------------------------------------------------- //
89 
90  USDIMAGING_API
91  HdDirtyBits ProcessPropertyChange(UsdPrim const& prim,
92  SdfPath const& cachePath,
93  TfToken const& propertyName) override;
94 
95  // ---------------------------------------------------------------------- //
97  // ---------------------------------------------------------------------- //
98 
99  USDIMAGING_API
100  PxOsdSubdivTags GetSubdivTags(UsdPrim const& usdPrim,
101  SdfPath const& cachePath,
102  UsdTimeCode time) const override;
103 
104  USDIMAGING_API
105  VtValue GetTopology(UsdPrim const& prim,
106  SdfPath const& cachePath,
107  UsdTimeCode time) const override;
108 
109  USDIMAGING_API
110  VtValue Get(UsdPrim const& prim,
111  SdfPath const& cachePath,
112  TfToken const& key,
113  UsdTimeCode time,
114  VtIntArray *outIndices) const override;
115 
116 protected:
117  USDIMAGING_API
118  bool _IsBuiltinPrimvar(TfToken const& primvarName) const override;
119 };
120 
121 
122 PXR_NAMESPACE_CLOSE_SCOPE
123 
124 #endif // PXR_USD_IMAGING_USD_IMAGING_MESH_ADAPTER_H
Tags for non-hierarchial subdiv surfaces.
Definition: subdivTags.h:41
USDIMAGING_API VtValue GetTopology(UsdPrim const &prim, SdfPath const &cachePath, UsdTimeCode time) const override
Gets the topology object of a specific Usd prim.
USDIMAGING_API void UpdateForTime(UsdPrim const &prim, SdfPath const &cachePath, UsdTimeCode time, HdDirtyBits requestedBits, UsdImagingInstancerContext const *instancerContext=nullptr) const override
Thread Safe.
This proxy class exposes a subset of the private Delegate API to PrimAdapters.
Definition: indexProxy.h:47
Delegate support for UsdGeomGrims.
Definition: gprimAdapter.h:48
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:65
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 SdfPath Populate(UsdPrim const &prim, UsdImagingIndexProxy *index, UsdImagingInstancerContext const *instancerContext=nullptr) override
Called to populate the RenderIndex for this UsdPrim.
USDIMAGING_API bool IsSupported(UsdImagingIndexProxy const *index) const override
Returns true if the adapter can be populated into the target index.
Delegate support for UsdGeomMesh.
Definition: meshAdapter.h:44
USDIMAGING_API void TrackVariability(UsdPrim const &prim, SdfPath const &cachePath, HdDirtyBits *timeVaryingBits, UsdImagingInstancerContext const *instancerContext=nullptr) const override
Thread Safe.
USDIMAGING_API VtValue Get(UsdPrim const &prim, SdfPath const &cachePath, TfToken const &key, UsdTimeCode time, VtIntArray *outIndices) const override
Gets the value of the parameter named key for the given prim (which has the given cache path) and giv...
Object used by instancer prim adapters to pass along context about the instancer and instance prim to...
USDIMAGING_API PxOsdSubdivTags GetSubdivTags(UsdPrim const &usdPrim, SdfPath const &cachePath, UsdTimeCode time) const override
Get the subdiv tags for this prim.
Provides a container which may hold any type, and provides introspection and iteration over array typ...
Definition: value.h:168
USDIMAGING_API HdDirtyBits ProcessPropertyChange(UsdPrim const &prim, SdfPath const &cachePath, TfToken const &propertyName) override
Returns a bit mask of attributes to be updated, or HdChangeTracker::AllDirty if the entire prim must ...