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meshAdapter.h
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2 // Copyright 2016 Pixar
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24 #ifndef USDIMAGING_MESH_ADAPTER_H
25 #define USDIMAGING_MESH_ADAPTER_H
26 
28 
29 #include "pxr/pxr.h"
30 #include "pxr/usdImaging/usdImaging/api.h"
31 #include "pxr/usdImaging/usdImaging/primAdapter.h"
32 #include "pxr/usdImaging/usdImaging/gprimAdapter.h"
33 
34 PXR_NAMESPACE_OPEN_SCOPE
35 
36 
37 class HdSubdivTags;
38 class PxOsdSubdivTags;
39 
45 public:
47 
50  {}
51  USDIMAGING_API
52  virtual ~UsdImagingMeshAdapter();
53 
54  USDIMAGING_API
55  virtual SdfPath Populate(UsdPrim const& prim,
56  UsdImagingIndexProxy* index,
57  UsdImagingInstancerContext const* instancerContext = NULL) override;
58 
59  USDIMAGING_API
60  virtual bool IsSupported(UsdImagingIndexProxy const* index) const override;
61 
62  // ---------------------------------------------------------------------- //
64  // ---------------------------------------------------------------------- //
65 
66 
68  USDIMAGING_API
69  virtual void TrackVariability(UsdPrim const& prim,
70  SdfPath const& cachePath,
71  HdDirtyBits* timeVaryingBits,
73  instancerContext = NULL) const override;
74 
75 
77  USDIMAGING_API
78  virtual void UpdateForTime(UsdPrim const& prim,
79  SdfPath const& cachePath,
80  UsdTimeCode time,
81  HdDirtyBits requestedBits,
83  instancerContext = NULL) const override;
84 
85  // ---------------------------------------------------------------------- //
87  // ---------------------------------------------------------------------- //
88 
89  USDIMAGING_API
90  virtual HdDirtyBits ProcessPropertyChange(UsdPrim const& prim,
91  SdfPath const& cachePath,
92  TfToken const& propertyName) override;
93 
94  // ---------------------------------------------------------------------- //
96  // ---------------------------------------------------------------------- //
97 
98  USDIMAGING_API
99  virtual PxOsdSubdivTags GetSubdivTags(UsdPrim const& usdPrim,
100  SdfPath const& cachePath,
101  UsdTimeCode time) const override;
102 
103 protected:
104  USDIMAGING_API
105  virtual bool _IsBuiltinPrimvar(TfToken const& primvarName) const override;
106 
107 private:
108  void _GetMeshTopology(UsdPrim const& prim, VtValue* topoHolder,
109  UsdTimeCode time) const;
110 };
111 
112 
113 PXR_NAMESPACE_CLOSE_SCOPE
114 
115 #endif // USDIMAGING_MESH_ADAPTER_H
Tags for non-hierarchial subdiv surfaces.
Definition: subdivTags.h:41
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:89
virtual USDIMAGING_API void UpdateForTime(UsdPrim const &prim, SdfPath const &cachePath, UsdTimeCode time, HdDirtyBits requestedBits, UsdImagingInstancerContext const *instancerContext=NULL) const override
Thread Safe.
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:67
UsdPrim is the sole persistent scenegraph object on a UsdStage, and is the embodiment of a "Prim" as ...
Definition: prim.h:131
A path value used to locate objects in layers or scenegraphs.
Definition: path.h:287
Delegate support for UsdGeomMesh.
Definition: meshAdapter.h:44
virtual USDIMAGING_API PxOsdSubdivTags GetSubdivTags(UsdPrim const &usdPrim, SdfPath const &cachePath, UsdTimeCode time) const override
Get the subdiv tags for this prim.
Object used by instancer prim adapters to pass along context about the instancer and instance prim to...
virtual USDIMAGING_API void TrackVariability(UsdPrim const &prim, SdfPath const &cachePath, HdDirtyBits *timeVaryingBits, UsdImagingInstancerContext const *instancerContext=NULL) const override
Thread Safe.
virtual USDIMAGING_API SdfPath Populate(UsdPrim const &prim, UsdImagingIndexProxy *index, UsdImagingInstancerContext const *instancerContext=NULL) override
Called to populate the RenderIndex for this UsdPrim.
virtual 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 ...
Provides a container which may hold any type, and provides introspection and iteration over array typ...
Definition: value.h:182
virtual USDIMAGING_API bool IsSupported(UsdImagingIndexProxy const *index) const override
Returns true if the adapter can be populated into the target index.