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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.
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_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
Definition limits.h:32
OpenSubdiv::OPENSUBDIV_VERSION
Definition limits.h:33
OpenSubdiv::OPENSUBDIV_VERSION::Osd
Definition bufferDescriptor.h:34
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CudaVertexBuffer::BindCudaBuffer
float * BindCudaBuffer()
Returns cuda memory.
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CudaVertexBuffer::~CudaVertexBuffer
~CudaVertexBuffer()
Destructor.
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CudaVertexBuffer::GetNumElements
int GetNumElements() const
Returns how many elements defined in this vertex buffer.
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CudaVertexBuffer::UpdateData
void UpdateData(const float *src, int startVertex, int numVertices, void *deviceContext=NULL)
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::allocate
bool allocate()
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CudaVertexBuffer::CudaVertexBuffer
CudaVertexBuffer(int numElements, int numVertices)
Constructor.