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cpuVertexBuffer.h
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1 //
2 // Copyright 2013 Pixar
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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
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24 
25 #ifndef OSD_CPU_VERTEX_BUFFER_H
26 #define OSD_CPU_VERTEX_BUFFER_H
27 
28 #include "../version.h"
29 
30 namespace OpenSubdiv {
31 namespace OPENSUBDIV_VERSION {
32 
33 namespace Osd {
34 
41 public:
43  static CpuVertexBuffer * Create(int numElements, int numVertices);
44 
47 
50  void UpdateData(const float *src, int startVertex, int numVertices);
51 
53  int GetNumElements() const;
54 
56  int GetNumVertices() const;
57 
59  float * BindCpuBuffer();
60 
61 protected:
63  CpuVertexBuffer(int numElements, int numVertices);
64 
65 private:
66  int _numElements;
67  int _numVertices;
68  float *_cpuBuffer;
69 };
70 
71 
72 } // end namespace Osd
73 
74 } // end namespace OPENSUBDIV_VERSION
75 using namespace OPENSUBDIV_VERSION;
76 
77 } // end namespace OpenSubdiv
78 
79 #endif // OSD_CPU_VERTEX_BUFFER_H
80 
int GetNumElements() const
Returns how many elements defined in this vertex buffer.
void UpdateData(const float *src, int startVertex, int numVertices)
static CpuVertexBuffer * Create(int numElements, int numVertices)
Creator. Returns NULL if error.
CpuVertexBuffer(int numElements, int numVertices)
Constructor.
float * BindCpuBuffer()
Returns the address of CPU buffer.
Concrete vertex buffer class for cpu subvision.
int GetNumVertices() const
Returns how many vertices allocated in this vertex buffer.