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cpuD3D11VertexBuffer.h
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2 // Copyright 2013 Pixar
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5 // with the following modification; you may not use this file except in
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24 
25 #ifndef OSD_CPU_D3D11_VERTEX_BUFFER_H
26 #define OSD_CPU_D3D11_VERTEX_BUFFER_H
27 
28 #include "../version.h"
29 
30 struct ID3D11Buffer;
31 struct ID3D11Device;
32 struct ID3D11DeviceContext;
33 
34 namespace OpenSubdiv {
35 namespace OPENSUBDIV_VERSION {
36 
37 namespace Osd {
38 
48 public:
50  static CpuD3D11VertexBuffer * Create(int numElements,
51  int numVertices,
52  ID3D11Device *device);
53 
55  virtual ~CpuD3D11VertexBuffer();
56 
59  void UpdateData(const float *src, int startVertex, int numVertices, void *param);
60 
62  int GetNumElements() const;
63 
65  int GetNumVertices() const;
66 
68  float * BindCpuBuffer();
69 
71  ID3D11Buffer *BindD3D11Buffer(ID3D11DeviceContext *deviceContext);
72 
73 protected:
75  CpuD3D11VertexBuffer(int numElements,
76  int numVertices,
77  ID3D11Device *device);
78 
79  bool allocate(ID3D11Device *device);
80 
81 private:
82  int _numElements;
83  int _numVertices;
84  ID3D11Buffer *_d3d11Buffer;
85  float *_cpuBuffer;
86 };
87 
88 } // end namespace Osd
89 
90 } // end namespace OPENSUBDIV_VERSION
91 using namespace OPENSUBDIV_VERSION;
92 
93 } // end namespace OpenSubdiv
94 
95 #endif // OSD_CPU_D3D11_VERTEX_BUFFER_H
96 
float * BindCpuBuffer()
Returns the address of CPU buffer.
void UpdateData(const float *src, int startVertex, int numVertices, void *param)
static CpuD3D11VertexBuffer * Create(int numElements, int numVertices, ID3D11Device *device)
Creator. Returns NULL if error.
int GetNumVertices() const
Returns how many vertices allocated in this vertex buffer.
int GetNumElements() const
Returns how many elements defined in this vertex buffer.
ID3D11Buffer * BindD3D11Buffer(ID3D11DeviceContext *deviceContext)
Returns the D3D11 buffer object.
Concrete vertex buffer class for Cpu subvision and DirectX drawing.
CpuD3D11VertexBuffer(int numElements, int numVertices, ID3D11Device *device)
Constructor.