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extCompGpuPrimvarBufferSource.h
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1 //
2 // Copyright 2018 Pixar
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5 // with the following modification; you may not use this file except in
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24 #ifndef PXR_IMAGING_HD_ST_EXT_COMP_GPU_PRIMVAR_BUFFER_SOURCE_H
25 #define PXR_IMAGING_HD_ST_EXT_COMP_GPU_PRIMVAR_BUFFER_SOURCE_H
26 
27 #include "pxr/pxr.h"
28 #include "pxr/imaging/hdSt/api.h"
30 #include "pxr/imaging/hd/types.h"
31 
32 #include "pxr/base/tf/token.h"
33 
34 #include "pxr/usd/sdf/path.h"
35 
37 
38 /// \class HdStExtCompGpuPrimvarBufferSource
39 /// A buffer source mapped to an output of an ExtComp CPU computation.
40 ///
42 public:
44  HdTupleType const & valueType,
45  int numElements,
46  SdfPath const& compId);
47 
48  HDST_API
49  virtual ~HdStExtCompGpuPrimvarBufferSource() = default;
50 
51  HDST_API
52  virtual size_t ComputeHash() const override;
53 
54  HDST_API
55  virtual bool Resolve() override;
56 
57  HD_API
58  virtual TfToken const &GetName() const override;
59 
60  HDST_API
61  virtual size_t GetNumElements() const override;
62 
63  HD_API
64  virtual HdTupleType GetTupleType() const override;
65 
66  HDST_API
67  virtual void GetBufferSpecs(HdBufferSpecVector *specs) const override;
68 
69 protected:
70  virtual bool _CheckValid() const override;
71 
72 private:
73  TfToken _name;
74  HdTupleType _tupleType;
75  size_t _numElements;
76  SdfPath _compId;
77 
80  const HdStExtCompGpuPrimvarBufferSource &) = delete;
82  const HdStExtCompGpuPrimvarBufferSource &) = delete;
83 };
84 
86 
87 #endif // PXR_IMAGING_HD_ST_EXT_COMP_GPU_PRIMVAR_BUFFER_SOURCE_H
virtual HDST_API bool Resolve() override
virtual HDST_API void GetBufferSpecs(HdBufferSpecVector *specs) const override
virtual HD_API TfToken const & GetName() const override
Return the name of this buffer source.
#define HD_API
Definition: api.h:40
GLuint const GLchar * name
Definition: glcorearb.h:785
virtual bool _CheckValid() const override
Definition: token.h:87
Definition: path.h:288
std::vector< struct HdBufferSpec > HdBufferSpecVector
PXR_NAMESPACE_CLOSE_SCOPE PXR_NAMESPACE_OPEN_SCOPE
Definition: path.h:1375
#define HDST_API
Definition: api.h:40
virtual HDST_API ~HdStExtCompGpuPrimvarBufferSource()=default
#define PXR_NAMESPACE_CLOSE_SCOPE
Definition: pxr.h:91
virtual HD_API HdTupleType GetTupleType() const override
Returns the data type and count (array size) for this buffer source.
virtual HDST_API size_t ComputeHash() const override
Computes and returns a hash value for the underlying data.
virtual HDST_API size_t GetNumElements() const override