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cudaVertexBuffer.h
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24 
25 #ifndef OPENSUBDIV3_OSD_CUDA_VERTEX_BUFFER_H
26 #define OPENSUBDIV3_OSD_CUDA_VERTEX_BUFFER_H
27 
28 #include "../version.h"
29 
30 #include <cstddef>
31 
32 namespace OpenSubdiv {
33 namespace OPENSUBDIV_VERSION {
34 
35 namespace Osd {
36 
43 
44 public:
46  static CudaVertexBuffer * Create(int numElements, int numVertices,
47  void *deviceContext = NULL);
48 
51 
54  void UpdateData(const float *src, int startVertex, int numVertices,
55  void *deviceContext=NULL);
56 
58  int GetNumElements() const;
59 
61  int GetNumVertices() const;
62 
64  float * BindCudaBuffer();
65 
66 protected:
68  CudaVertexBuffer(int numElements, int numVertices);
69 
72  bool allocate();
73 
74 private:
75  int _numElements;
76  int _numVertices;
77  void *_cudaMem;
78 
79 };
80 
81 } // end namespace Osd
82 
83 } // end namespace OPENSUBDIV_VERSION
84 using namespace OPENSUBDIV_VERSION;
85 
86 } // end namespace OpenSubdiv
87 
88 #endif // OPENSUBDIV3_OSD_CUDA_VERTEX_BUFFER_H
Concrete vertex buffer class for Cuda subdivision.
static CudaVertexBuffer * Create(int numElements, int numVertices, void *deviceContext=NULL)
Creator. Returns NULL if error.
void UpdateData(const float *src, int startVertex, int numVertices, void *deviceContext=NULL)
int GetNumVertices() const
Returns how many vertices allocated in this vertex buffer.
CudaVertexBuffer(int numElements, int numVertices)
Constructor.
int GetNumElements() const
Returns how many elements defined in this vertex buffer.