opensubdiv/osd/cudaVertexBuffer.h Source File

cudaVertexBuffer.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.
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14 // You may obtain a copy of the Apache License at
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18 // Unless required by applicable law or agreed to in writing, software
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24
25 #ifndef OPENSUBDIV3_OSD_CUDA_VERTEX_BUFFER_H
26 #define OPENSUBDIV3_OSD_CUDA_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 CudaVertexBuffer {
43
44 public:
46 static CudaVertexBuffer * Create(int numElements, int numVertices,
47 void *deviceContext = NULL);
48
50 ~CudaVertexBuffer();
51
54 void UpdateData(const float *src, int startVertex, int numVertices,
55 void *deviceContext=NULL);
56
58 int GetNumElements() const;
59
61 int GetNumVertices() const;
62
64 float * BindCudaBuffer();
65
66 protected:
68 CudaVertexBuffer(int numElements, int numVertices);
69
72 bool allocate();
73
74 private:
75 int _numElements;
76 int _numVertices;
77 void *_cudaMem;
78
79 };
80
81 } // end namespace Osd
82
83 } // end namespace OPENSUBDIV_VERSION
84 using namespace OPENSUBDIV_VERSION;
85
86 } // end namespace OpenSubdiv
87
88 #endif // OPENSUBDIV3_OSD_CUDA_VERTEX_BUFFER_H
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CudaVertexBuffer::BindCudaBuffer
float * BindCudaBuffer()
Returns cuda memory.
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CudaVertexBuffer::CudaVertexBuffer
CudaVertexBuffer(int numElements, int numVertices)
Constructor.
OpenSubdiv
Definition: error.h:30
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CudaVertexBuffer::GetNumVertices
int GetNumVertices() const
Returns how many vertices allocated in this vertex buffer.
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CudaVertexBuffer::Create
static CudaVertexBuffer * Create(int numElements, int numVertices, void *deviceContext=NULL)
Creator. Returns NULL if error.
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CudaVertexBuffer::UpdateData
void UpdateData(const float *src, int startVertex, int numVertices, void *deviceContext=NULL)
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CudaVertexBuffer::GetNumElements
int GetNumElements() const
Returns how many elements defined in this vertex buffer.
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CudaVertexBuffer
Concrete vertex buffer class for Cuda subdivision.
Definition: cudaVertexBuffer.h:42
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CudaVertexBuffer::allocate
bool allocate()
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CudaVertexBuffer::~CudaVertexBuffer
~CudaVertexBuffer()
Destructor.