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copyComputation.h
1 //
2 // Copyright 2016 Pixar
3 //
4 // Licensed under the Apache License, Version 2.0 (the "Apache License")
5 // with the following modification; you may not use this file except in
6 // compliance with the Apache License and the following modification to it:
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9 // 6. Trademarks. This License does not grant permission to use the trade
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11 // and its affiliates, except as required to comply with Section 4(c) of
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14 // You may obtain a copy of the Apache License at
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16 // http://www.apache.org/licenses/LICENSE-2.0
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24 #ifndef PXR_IMAGING_HD_ST_COPY_COMPUTATION_H
25 #define PXR_IMAGING_HD_ST_COPY_COMPUTATION_H
26 
27 #include "pxr/pxr.h"
28 #include "pxr/imaging/hdSt/api.h"
29 #include "pxr/imaging/hd/computation.h"
30 
31 PXR_NAMESPACE_OPEN_SCOPE
32 
33 
40 public:
41  HDST_API
42  HdStCopyComputationGPU(HdBufferArrayRangeSharedPtr const &src,
43  TfToken const &name);
44 
45  HDST_API
46  virtual void Execute(HdBufferArrayRangeSharedPtr const &range,
47  HdResourceRegistry *resourceRegistry) override;
48 
49  HDST_API
50  virtual int GetNumOutputElements() const override;
51 
52  HDST_API
53  virtual void GetBufferSpecs(HdBufferSpecVector *specs) const override;
54 
55 private:
56  HdBufferArrayRangeSharedPtr _src;
57  TfToken _name;
58 };
59 
60 
61 PXR_NAMESPACE_CLOSE_SCOPE
62 
63 #endif // HDST_COMPUTATION_H
virtual HDST_API void GetBufferSpecs(HdBufferSpecVector *specs) const override
Add the buffer spec for this computation into given bufferspec vector.
virtual HDST_API void Execute(HdBufferArrayRangeSharedPtr const &range, HdResourceRegistry *resourceRegistry) override
Execute computation.
Token for efficient comparison, assignment, and hashing of known strings.
Definition: token.h:87
virtual HDST_API int GetNumOutputElements() const override
Returns the size of its destination buffer (located by range argument of Execute()).
A GPU computation which transfers a vbo range specified by src and name to the given range...
A central registry for resources.
An interface class for GPU computation.
Definition: computation.h:52