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d3d11VertexBuffer.h
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2 // Copyright 2013 Pixar
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24 
25 #ifndef OPENSUBDIV3_OSD_D3D11_VERTEX_BUFFER_H
26 #define OPENSUBDIV3_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, int numVertices,
50  ID3D11DeviceContext *deviceContext);
51 
53  virtual ~D3D11VertexBuffer();
54 
57  void UpdateData(const float *src, int startVertex, int numVertices,
58  ID3D11DeviceContext *deviceContext);
59 
61  int GetNumElements() const;
62 
64  int GetNumVertices() const;
65 
67  ID3D11Buffer *BindD3D11Buffer(ID3D11DeviceContext *deviceContext);
68 
70  ID3D11Buffer *BindVBO(ID3D11DeviceContext *deviceContext) {
71  return BindD3D11Buffer(deviceContext);
72  }
73 
75  ID3D11UnorderedAccessView *BindD3D11UAV(ID3D11DeviceContext *deviceContext);
76 
77 protected:
79  D3D11VertexBuffer(int numElements, int numVertices);
80 
81  // Allocates D3D11 buffer
82  bool allocate(ID3D11Device *device);
83 
84 private:
85  int _numElements;
86  int _numVertices;
87  ID3D11Buffer *_buffer;
88  ID3D11Buffer *_uploadBuffer;
89  ID3D11UnorderedAccessView *_uav;
90 };
91 
92 } // end namespace Osd
93 
94 } // end namespace OPENSUBDIV_VERSION
95 using namespace OPENSUBDIV_VERSION;
96 
97 } // end namespace OpenSubdiv
98 
99 #endif // OPENSUBDIV3_OSD_D3D11_VERTEX_BUFFER_H
Concrete vertex buffer class for DirectX subdivision and DirectX drawing.
ID3D11UnorderedAccessView * BindD3D11UAV(ID3D11DeviceContext *deviceContext)
Returns the D3D11 UAV.
void UpdateData(const float *src, int startVertex, int numVertices, ID3D11DeviceContext *deviceContext)
ID3D11Buffer * BindD3D11Buffer(ID3D11DeviceContext *deviceContext)
Returns the D3D11 buffer object.
static D3D11VertexBuffer * Create(int numElements, int numVertices, ID3D11DeviceContext *deviceContext)
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 * BindVBO(ID3D11DeviceContext *deviceContext)
Returns the D3D11 buffer object (for Osd::Mesh interface)
D3D11VertexBuffer(int numElements, int numVertices)
Constructor.