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d3d11VertexBuffer.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_D3D11_VERTEX_BUFFER_H
26 #define OSD_D3D11_VERTEX_BUFFER_H
27 
28 #include "../version.h"
29 
30 struct ID3D11Buffer;
31 struct ID3D11Device;
32 struct ID3D11DeviceContext;
33 struct ID3D11UnorderedAccessView;
34 
35 namespace OpenSubdiv {
36 namespace OPENSUBDIV_VERSION {
37 
38 namespace Osd {
39 
47 public:
49  static D3D11VertexBuffer * Create(int numElements,
50  int numVertices,
51  ID3D11Device *device);
52 
54  virtual ~D3D11VertexBuffer();
55 
58  void UpdateData(const float *src, int startVertex, int numVertices, void *param);
59 
61  int GetNumElements() const;
62 
64  int GetNumVertices() const;
65 
67  ID3D11Buffer *BindD3D11Buffer(ID3D11DeviceContext *deviceContext);
68 
70  ID3D11UnorderedAccessView *BindD3D11UAV(ID3D11DeviceContext *deviceContext);
71 
72 protected:
74  D3D11VertexBuffer(int numElements,
75  int numVertices,
76  ID3D11Device *device);
77 
78  // Allocates D3D11 buffer
79  bool allocate(ID3D11Device *device);
80 
81 private:
82  int _numElements;
83  int _numVertices;
84  ID3D11Buffer *_buffer;
85  ID3D11Buffer *_uploadBuffer;
86  ID3D11UnorderedAccessView *_uav;
87 };
88 
89 } // end namespace Osd
90 
91 } // end namespace OPENSUBDIV_VERSION
92 using namespace OPENSUBDIV_VERSION;
93 
94 } // end namespace OpenSubdiv
95 
96 #endif // OSD_D3D11_VERTEX_BUFFER_H
97 
int GetNumVertices() const
Returns how many vertices allocated in this vertex buffer.
static D3D11VertexBuffer * Create(int numElements, int numVertices, ID3D11Device *device)
Creator. Returns NULL if error.
D3D11VertexBuffer(int numElements, int numVertices, ID3D11Device *device)
Constructor.
void UpdateData(const float *src, int startVertex, int numVertices, void *param)
Concrete vertex buffer class for DirectX subvision and DirectX drawing.
ID3D11UnorderedAccessView * BindD3D11UAV(ID3D11DeviceContext *deviceContext)
Returns the D3D11 UAV.
int GetNumElements() const
Returns how many elements defined in this vertex buffer.
ID3D11Buffer * BindD3D11Buffer(ID3D11DeviceContext *deviceContext)
Returns the D3D11 buffer object.