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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
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_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 limits.h:32
OpenSubdiv::OPENSUBDIV_VERSION
Definition limits.h:33
OpenSubdiv::OPENSUBDIV_VERSION::Osd
Definition bufferDescriptor.h:34
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CpuVertexBuffer::GetNumElements
int GetNumElements() const
Returns how many elements defined 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::UpdateData
void UpdateData(const float *src, int startVertex, int numVertices, void *deviceContext=NULL)
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CpuVertexBuffer::GetNumVertices
int GetNumVertices() const
Returns how many vertices allocated in this vertex buffer.
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.