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cpuVertexBuffer.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
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21 // KIND, either express or implied. See the Apache License for the specific
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24
25 #ifndef OPENSUBDIV3_OSD_CPU_VERTEX_BUFFER_H
26 #define OPENSUBDIV3_OSD_CPU_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
42 class CpuVertexBuffer {
43 public:
45 static CpuVertexBuffer * Create(int numElements, int numVertices,
46 void *deviceContext = NULL);
47
49 ~CpuVertexBuffer();
50
53 void UpdateData(const float *src, int startVertex, int numVertices,
54 void *deviceContext = NULL);
55
57 int GetNumElements() const;
58
60 int GetNumVertices() const;
61
63 float * BindCpuBuffer();
64
65 protected:
67 CpuVertexBuffer(int numElements, int numVertices);
68
69 private:
70 int _numElements;
71 int _numVertices;
72 float *_cpuBuffer;
73 };
74
75
76 } // end namespace Osd
77
78 } // end namespace OPENSUBDIV_VERSION
79 using namespace OPENSUBDIV_VERSION;
80
81 } // end namespace OpenSubdiv
82
83 #endif // OPENSUBDIV3_OSD_CPU_VERTEX_BUFFER_H
OpenSubdiv
Definition: error.h:30
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CpuVertexBuffer::GetNumVertices
int GetNumVertices() const
Returns how many vertices allocated in this vertex buffer.
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CpuVertexBuffer::Create
static CpuVertexBuffer * Create(int numElements, int numVertices, void *deviceContext=NULL)
Creator. Returns NULL if error.
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CpuVertexBuffer::~CpuVertexBuffer
~CpuVertexBuffer()
Destructor.
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CpuVertexBuffer::BindCpuBuffer
float * BindCpuBuffer()
Returns the address of CPU buffer.
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CpuVertexBuffer::CpuVertexBuffer
CpuVertexBuffer(int numElements, int numVertices)
Constructor.
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CpuVertexBuffer::UpdateData
void UpdateData(const float *src, int startVertex, int numVertices, void *deviceContext=NULL)
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CpuVertexBuffer::GetNumElements
int GetNumElements() const
Returns how many elements defined in this vertex buffer.
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CpuVertexBuffer
Concrete vertex buffer class for CPU subdivision.
Definition: cpuVertexBuffer.h:42