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extComputation.h
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2 // Copyright 2018 Pixar
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24 #ifndef HDST_EXT_COMPUATION_H
25 #define HDST_EXT_COMPUATION_H
26 
27 #include "pxr/pxr.h"
28 #include "pxr/imaging/hdSt/api.h"
29 #include "pxr/imaging/hd/extComputation.h"
30 #include "pxr/usd/sdf/path.h"
31 #include "pxr/base/vt/value.h"
32 
33 #include <boost/shared_ptr.hpp>
34 
35 #include <vector>
36 
37 PXR_NAMESPACE_OPEN_SCOPE
38 
39 class HdSceneDelegate;
40 typedef boost::shared_ptr<class HdBufferArrayRange> HdBufferArrayRangeSharedPtr;
41 
47 public:
49  HDST_API
50  HdStExtComputation(SdfPath const &id);
51 
52  HDST_API
53  virtual ~HdStExtComputation() = default;
54 
55  HDST_API
56  virtual void Sync(HdSceneDelegate *sceneDelegate,
57  HdRenderParam *renderParam,
58  HdDirtyBits *dirtyBits) override;
59 
60  HDST_API
61  HdBufferArrayRangeSharedPtr const & GetInputRange() const {
62  return _inputRange;
63  }
64 
65 private:
66  // No default construction or copying
67  HdStExtComputation() = delete;
68  HdStExtComputation(const HdStExtComputation &) = delete;
69  HdStExtComputation &operator =(const HdStExtComputation &) = delete;
70 
71  HdBufferArrayRangeSharedPtr _inputRange;
72 };
73 
74 PXR_NAMESPACE_CLOSE_SCOPE
75 
76 #endif // HDST_EXT_COMPUATION_H
Hydra Representation of a Client defined computation.
The HdRenderParam is an opaque (to core Hydra) handle, to an object that is obtained from the render ...
Adapter class providing data exchange with the client scene graph.
A path value used to locate objects in layers or scenegraphs.
Definition: path.h:287
Specialization of HdExtComputation which manages inputs as GPU resources.
virtual HDST_API void Sync(HdSceneDelegate *sceneDelegate, HdRenderParam *renderParam, HdDirtyBits *dirtyBits) override
Synchronizes state from the delegate to this object.