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cudaVertexBuffer.h
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2 // Copyright 2013 Pixar
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24 
25 #ifndef OSD_CUDA_VERTEX_BUFFER_H
26 #define OSD_CUDA_VERTEX_BUFFER_H
27 
28 #include "../version.h"
29 
30 namespace OpenSubdiv {
31 namespace OPENSUBDIV_VERSION {
32 
33 namespace Osd {
34 
41 
42 public:
44  static CudaVertexBuffer * Create(int numElements, int numVertices);
45 
48 
51  void UpdateData(const float *src, int startVertex, int numVertices);
52 
54  int GetNumElements() const;
55 
57  int GetNumVertices() const;
58 
60  float * BindCudaBuffer();
61 
62 protected:
64  CudaVertexBuffer(int numElements, int numVertices);
65 
68  bool allocate();
69 
70 private:
71  int _numElements;
72  int _numVertices;
73  void *_cudaMem;
74 
75 };
76 
77 } // end namespace Osd
78 
79 } // end namespace OPENSUBDIV_VERSION
80 using namespace OPENSUBDIV_VERSION;
81 
82 } // end namespace OpenSubdiv
83 
84 #endif // OSD_CUDA_VERTEX_BUFFER_H
85 
int GetNumVertices() const
Returns how many vertices allocated in this vertex buffer.
int GetNumElements() const
Returns how many elements defined in this vertex buffer.
void UpdateData(const float *src, int startVertex, int numVertices)
Concrete vertex buffer class for Cuda subvision.
static CudaVertexBuffer * Create(int numElements, int numVertices)
Creator. Returns NULL if error.
CudaVertexBuffer(int numElements, int numVertices)
Constructor.