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cpuD3D11VertexBuffer.h
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1//
2// Copyright 2013 Pixar
3//
4// Licensed under the Apache License, Version 2.0 (the "Apache License")
5// with the following modification; you may not use this file except in
6// compliance with the Apache License and the following modification to it:
7// Section 6. Trademarks. is deleted and replaced with:
8//
9// 6. Trademarks. This License does not grant permission to use the trade
10// names, trademarks, service marks, or product names of the Licensor
11// and its affiliates, except as required to comply with Section 4(c) of
12// the License and to reproduce the content of the NOTICE file.
13//
14// You may obtain a copy of the Apache License at
15//
16// http://www.apache.org/licenses/LICENSE-2.0
17//
18// Unless required by applicable law or agreed to in writing, software
19// distributed under the Apache License with the above modification is
20// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
21// KIND, either express or implied. See the Apache License for the specific
22// language governing permissions and limitations under the Apache License.
23//
24
25#ifndef OPENSUBDIV3_OSD_CPU_D3D11_VERTEX_BUFFER_H
26#define OPENSUBDIV3_OSD_CPU_D3D11_VERTEX_BUFFER_H
27
28#include "../version.h"
29#include <cstddef>
30
31 struct ID3D11Buffer;
32 struct ID3D11Device;
33 struct ID3D11DeviceContext;
34
35 namespace OpenSubdiv {
36 namespace OPENSUBDIV_VERSION {
37
38 namespace Osd {
39
48 class CpuD3D11VertexBuffer {
49 public:
51 static CpuD3D11VertexBuffer * Create(int numElements, int numVertices,
52 ID3D11DeviceContext *deviceContext);
53
55 virtual ~CpuD3D11VertexBuffer();
56
59 void UpdateData(const float *src, int startVertex, int numVertices,
60 void *deviceContext = NULL);
61
63 int GetNumElements() const;
64
66 int GetNumVertices() const;
67
69 float * BindCpuBuffer();
70
72 ID3D11Buffer *BindD3D11Buffer(ID3D11DeviceContext *deviceContext);
73
75 ID3D11Buffer *BindVBO(ID3D11DeviceContext *deviceContext) {
76 return BindD3D11Buffer(deviceContext);
77 }
78
79 protected:
81 CpuD3D11VertexBuffer(int numElements, int numVertices);
82
83 bool allocate(ID3D11Device *device);
84
85 private:
86 int _numElements;
87 int _numVertices;
88 ID3D11Buffer *_d3d11Buffer;
89 float *_cpuBuffer;
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_CPU_D3D11_VERTEX_BUFFER_H
OpenSubdiv
Definition limits.h:32
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CpuD3D11VertexBuffer
Concrete vertex buffer class for Cpu subdivision and DirectX drawing.
Definition cpuD3D11VertexBuffer.h:48
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CpuD3D11VertexBuffer::Create
static CpuD3D11VertexBuffer * Create(int numElements, int numVertices, ID3D11DeviceContext *deviceContext)
Creator. Returns NULL if error.
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CpuD3D11VertexBuffer::CpuD3D11VertexBuffer
CpuD3D11VertexBuffer(int numElements, int numVertices)
Constructor.
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CpuD3D11VertexBuffer::GetNumElements
int GetNumElements() const
Returns how many elements defined in this vertex buffer.
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CpuD3D11VertexBuffer::UpdateData
void UpdateData(const float *src, int startVertex, int numVertices, void *deviceContext=NULL)
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CpuD3D11VertexBuffer::GetNumVertices
int GetNumVertices() const
Returns how many vertices allocated in this vertex buffer.
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CpuD3D11VertexBuffer::BindD3D11Buffer
ID3D11Buffer * BindD3D11Buffer(ID3D11DeviceContext *deviceContext)
Returns the D3D11 buffer object.
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CpuD3D11VertexBuffer::BindCpuBuffer
float * BindCpuBuffer()
Returns the address of CPU buffer.
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CpuD3D11VertexBuffer::allocate
bool allocate(ID3D11Device *device)
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CpuD3D11VertexBuffer::~CpuD3D11VertexBuffer
virtual ~CpuD3D11VertexBuffer()
Destructor.
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CpuD3D11VertexBuffer::BindVBO
ID3D11Buffer * BindVBO(ID3D11DeviceContext *deviceContext)
Returns the D3D11 buffer object (for Osd::Mesh interface)
Definition cpuD3D11VertexBuffer.h:75