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smoothNormals.h
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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:
7 // Section 6. Trademarks. is deleted and replaced with:
8 //
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14 // You may obtain a copy of the Apache License at
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24 #ifndef PXR_IMAGING_HD_ST_SMOOTH_NORMALS_H
25 #define PXR_IMAGING_HD_ST_SMOOTH_NORMALS_H
26 
27 #include "pxr/pxr.h"
28 #include "pxr/imaging/hdSt/api.h"
31 
32 #include "pxr/base/tf/token.h"
33 
35 
36 
37 class Hd_VertexAdjacency;
38 
39 /// smooth normal computation GPU
40 ///
41 ///
43 public:
44  /// Constructor
45  HDST_API
47  TfToken const &srcName,
48  TfToken const &dstName,
49  HdType srcDataType,
50  bool packed);
51 
52  HDST_API
53  virtual void GetBufferSpecs(HdBufferSpecVector *specs) const override;
54  HDST_API
55  virtual void Execute(HdBufferArrayRangeSharedPtr const &range,
56  HdResourceRegistry *resourceRegistry) override;
57 
58  /// This computation doesn't generate buffer source (i.e. 2nd phase)
59  /// This is a gpu computation, but no need to resize the destination
60  /// since it belongs the same range as src buffer.
61  virtual int GetNumOutputElements() const override { return 0; }
62 
63 private:
64  Hd_VertexAdjacency const *_adjacency;
65  TfToken _srcName;
66  TfToken _dstName;
67  HdType _srcDataType;
68  HdType _dstDataType;
69 };
70 
71 
73 
74 #endif // PXR_IMAGING_HD_ST_SMOOTH_NORMALS_H
virtual HDST_API void GetBufferSpecs(HdBufferSpecVector *specs) const override
Definition: token.h:87
GLuint GLenum GLsizei GLsizei GLboolean packed
Definition: glew.h:12964
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 int GetNumOutputElements() const override
Definition: smoothNormals.h:61
HDST_API HdSt_SmoothNormalsComputationGPU(Hd_VertexAdjacency const *adjacency, TfToken const &srcName, TfToken const &dstName, HdType srcDataType, bool packed)
Constructor.
#define PXR_NAMESPACE_CLOSE_SCOPE
Definition: pxr.h:91
std::shared_ptr< HdBufferArrayRange > HdBufferArrayRangeSharedPtr
Definition: bufferArray.h:45
GLenum GLint * range
Definition: glcorearb.h:1924
virtual HDST_API void Execute(HdBufferArrayRangeSharedPtr const &range, HdResourceRegistry *resourceRegistry) override
Execute computation.
GLenum GLint GLint GLint GLint GLuint dstName
Definition: glcorearb.h:2509
GLbitfield GLuint srcName
Definition: glew.h:12481
HdType
Definition: types.h:256