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extCompInputSource.h
1 //
2 // Copyright 2017 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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24 
25 #ifndef HD_EXT_COMP_INPUT_SOURCE_H
26 #define HD_EXT_COMP_INPUT_SOURCE_H
27 
28 #include "pxr/pxr.h"
29 #include "pxr/imaging/hd/api.h"
30 #include "pxr/imaging/hd/version.h"
31 #include "pxr/imaging/hd/bufferSource.h"
32 
33 PXR_NAMESPACE_OPEN_SCOPE
34 
35 class VtValue;
36 
42 class Hd_ExtCompInputSource : public HdNullBufferSource {
43 public:
45  HD_API
46  Hd_ExtCompInputSource(const TfToken &inputName);
47 
48  HD_API
49  virtual ~Hd_ExtCompInputSource() = default;
50 
52  HD_API
53  virtual TfToken const &GetName() const final;
54 
56  HD_API
57  virtual const VtValue &GetValue() const = 0;
58 
59 private:
60  TfToken _inputName;
61 
62  Hd_ExtCompInputSource() = delete;
63  Hd_ExtCompInputSource(const Hd_ExtCompInputSource &) = delete;
64  Hd_ExtCompInputSource &operator = (const Hd_ExtCompInputSource &) = delete;
65 };
66 
67 typedef boost::shared_ptr<Hd_ExtCompInputSource> Hd_ExtCompInputSourceSharedPtr;
68 typedef std::vector<Hd_ExtCompInputSourceSharedPtr>
69  Hd_ExtCompInputSourceSharedPtrVector;
70 
71 
72 PXR_NAMESPACE_CLOSE_SCOPE
73 
74 #endif // HD_EXT_COMP_INPUT_SOURCE_H
Token for efficient comparison, assignment, and hashing of known strings.
Definition: token.h:89
A abstract base class for pure cpu computation.
Definition: bufferSource.h:235
virtual HD_API TfToken const & GetName() const override
Return the name of this buffer source.
Provides a container which may hold any type, and provides introspection and iteration over array typ...
Definition: value.h:182