OpenSubdiv: opensubdiv/osd/clVertexBuffer.h Source File

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clVertexBuffer.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_CL_VERTEX_BUFFER_H
26#define OPENSUBDIV3_OSD_CL_VERTEX_BUFFER_H
27
28#include "../version.h"
29#include "../osd/opencl.h"
30
31namespace OpenSubdiv {
32namespace OPENSUBDIV_VERSION {
33
34namespace Osd {
35
42 class CLVertexBuffer {
43
44public:
46 static CLVertexBuffer * Create(int numElements, int numVertices, cl_context clContext);
47
48 template <typename DEVICE_CONTEXT>
49 static CLVertexBuffer * Create(int numElements, int numVertices,
50 DEVICE_CONTEXT context) {
51 return Create(numElements, numVertices, context->GetContext());
52 }
53
55 ~CLVertexBuffer();
56
59 void UpdateData(const float *src, int startVertex, int numVertices, cl_command_queue clQueue,
60 cl_event* startEvents = NULL, unsigned int numStartEvents = 0, cl_event* endEvent = NULL);
61
62 template<typename DEVICE_CONTEXT>
63 void UpdateData(const float *src, int startVertex, int numVertices,
64 DEVICE_CONTEXT context,
65 cl_event* startEvents = NULL, unsigned int numStartEvents = 0, cl_event* endEvent = NULL) {
66 UpdateData(src, startVertex, numVertices, context->GetCommandQueue(), startEvents, numStartEvents, endEvent);
67 }
68
70 int GetNumElements() const;
71
73 int GetNumVertices() const;
74
76 cl_mem BindCLBuffer(cl_command_queue queue);
77
78protected:
80 CLVertexBuffer(int numElements, int numVertices, cl_context clContext);
81
84 bool allocate(cl_context clContext);
85
86private:
87 int _numElements;
88 int _numVertices;
89 cl_mem _clMemory;
90};
91
92} // end namespace Osd
93
94} // end namespace OPENSUBDIV_VERSION
95using namespace OPENSUBDIV_VERSION;
96
97} // end namespace OpenSubdiv
98
99#endif // OPENSUBDIV3_OSD_CL_VERTEX_BUFFER_H
OpenSubdiv
Definition: limits.h:32
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CLVertexBuffer
Concrete vertex buffer class for OpenCL subdivision.
Definition: clVertexBuffer.h:42
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CLVertexBuffer::UpdateData
void UpdateData(const float *src, int startVertex, int numVertices, DEVICE_CONTEXT context, cl_event *startEvents=NULL, unsigned int numStartEvents=0, cl_event *endEvent=NULL)
Definition: clVertexBuffer.h:63
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CLVertexBuffer::~CLVertexBuffer
~CLVertexBuffer()
Destructor.
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CLVertexBuffer::CLVertexBuffer
CLVertexBuffer(int numElements, int numVertices, cl_context clContext)
Constructor.
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CLVertexBuffer::UpdateData
void UpdateData(const float *src, int startVertex, int numVertices, cl_command_queue clQueue, cl_event *startEvents=NULL, unsigned int numStartEvents=0, cl_event *endEvent=NULL)
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CLVertexBuffer::GetNumElements
int GetNumElements() const
Returns how many elements defined in this vertex buffer.
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CLVertexBuffer::allocate
bool allocate(cl_context clContext)
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CLVertexBuffer::GetNumVertices
int GetNumVertices() const
Returns how many vertices allocated in this vertex buffer.
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CLVertexBuffer::Create
static CLVertexBuffer * Create(int numElements, int numVertices, cl_context clContext)
Creator. Returns NULL if error.
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CLVertexBuffer::Create
static CLVertexBuffer * Create(int numElements, int numVertices, DEVICE_CONTEXT context)
Definition: clVertexBuffer.h:49
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CLVertexBuffer::BindCLBuffer
cl_mem BindCLBuffer(cl_command_queue queue)
Returns the CL memory object.