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packedUsdWrapper.h
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2 // Copyright 2017 Pixar
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24 #ifndef __GUSD_PACKEDUSDWRAPPER_H__
25 #define __GUSD_PACKEDUSDWRAPPER_H__
26 
27 #include "primWrapper.h"
28 
29 #include "pxr/pxr.h"
30 #include "pxr/usd/usdGeom/xform.h"
31 
32 PXR_NAMESPACE_OPEN_SCOPE
33 
34 class GusdPackedUsdWrapper : public GusdPrimWrapper
35 {
36 public:
37  GusdPackedUsdWrapper( const UsdStagePtr& stage, const SdfPath& path,
38  bool isOverride );
39  GusdPackedUsdWrapper(const GusdPackedUsdWrapper& other);
40  virtual ~GusdPackedUsdWrapper();
41 
42  // GusdPrimWrapper interface -----------------------------------------------
43 
44 public:
45 
46  virtual const UsdGeomImageable getUsdPrim() const override {
47  return UsdGeomImageable(m_primRef);
48  }
49 
50  virtual bool redefine(
51  const UsdStagePtr& stage,
52  const SdfPath& path,
53  const GusdContext& ctxt,
54  const GT_PrimitiveHandle& sourcePrim ) override;
55 
56  virtual const char* className() const override;
57 
58  virtual void enlargeBounds(UT_BoundingBox boxes[], int nsegments) const override;
59 
60  virtual int getMotionSegments() const override;
61 
62  virtual int64 getMemoryUsage() const override;
63 
64  virtual GT_PrimitiveHandle doSoftCopy() const override;
65 
66  virtual bool
67  updateFromGTPrim(const GT_PrimitiveHandle& sourcePrim,
68  const UT_Matrix4D& houXform,
69  const GusdContext& ctxt,
70  GusdSimpleXformCache& xformCache) override;
71 
72  virtual bool isValid() const override;
73 
74  // -------------------------------------------------------------------------
75 
76 public:
77 
78  static GT_PrimitiveHandle
79  defineForWrite( const GT_PrimitiveHandle& sourcePrim,
80  const UsdStagePtr& stage,
81  const SdfPath& path,
82  const GusdContext& ctxt);
83 
84 private:
85 
86  bool initUsdPrim( const UsdStagePtr& stage,
87  const SdfPath& path,
88  bool asOverride );
89 
90  UsdPrim m_primRef;
91 };
92 
93 PXR_NAMESPACE_CLOSE_SCOPE
94 
95 #endif // __GUSD_PACKEDUSDWRAPPER_H__
96 
A GT_Primitive that wraps a USD Prim.
Definition: primWrapper.h:89
virtual bool updateFromGTPrim(const GT_PrimitiveHandle &sourcePrim, const UT_Matrix4D &houXform, const GusdContext &ctxt, GusdSimpleXformCache &xformCache)
Fill a USD prim's attribute samples for a frame from the attributes in a GT primitive.
virtual bool redefine(const UsdStagePtr &stage, const SdfPath &path, const GusdContext &ctxt, const GT_PrimitiveHandle &sourcePrim)
Create a new USD prim to match GT primitive.
static GT_PrimitiveHandle defineForWrite(const GT_PrimitiveHandle &sourcePrim, const UsdStagePtr &stage, const SdfPath &path, const GusdContext &ctxt)
Given a GT_Primitive, create a USD prim of the proper type.
UsdPrim is the sole persistent scenegraph object on a UsdStage, and is the embodiment of a "Prim" as ...
Definition: prim.h:131
A GusdContext structure is created by the ROPs that write USD files and passed to the GusdPrimWrapper...
Definition: context.h:46
A path value used to locate objects in layers or scenegraphs.
Definition: path.h:287
virtual bool isValid() const
Return true if the underlying USD prim is valid.
Base class for all prims that may require rendering or visualization of some sort.
Definition: imageable.h:74