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mtlVertexBuffer.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_MTL_VERTEX_BUFFER_H
26#define OPENSUBDIV3_OSD_MTL_VERTEX_BUFFER_H
27
28#include "../version.h"
29#include "../osd/mtlCommon.h"
30
31@protocol MTLDevice;
32@protocol MTLBuffer;
33
34 namespace OpenSubdiv {
35 namespace OPENSUBDIV_VERSION {
36
37 namespace Osd {
38
39 class CPUMTLVertexBuffer {
40 public:
41 static CPUMTLVertexBuffer* Create(int numElements, int numVertices, MTLContext* context);
42
43 void UpdateData(const float* src, int startVertex, int numVertices, MTLContext* context);
44
45 int GetNumElements() const
46 {
47 return _numElements;
48 }
49
50 int GetNumVertices() const
51 {
52 return _numVertices;
53 }
54
55 float* BindCpuBuffer();
56 id<MTLBuffer> BindMTLBuffer(MTLContext* context);
57
58 id<MTLBuffer> BindVBO(MTLContext* context)
59 {
60 return BindMTLBuffer(context);
61 }
62
63 protected:
64
65 CPUMTLVertexBuffer(int numElements, int numVertices);
66
67 bool allocate(MTLContext* context);
68
69 private:
70 int _numElements;
71 int _numVertices;
72 id<MTLBuffer> _buffer;
73 bool _dirty;
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_MTL_VERTEX_BUFFER_H
OpenSubdiv
Definition limits.h:32
OpenSubdiv::OPENSUBDIV_VERSION::Osd::MTLContext
Definition mtlCommon.h:40
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CPUMTLVertexBuffer
Definition mtlVertexBuffer.h:39
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CPUMTLVertexBuffer::BindVBO
id< MTLBuffer > BindVBO(MTLContext *context)
Definition mtlVertexBuffer.h:58
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CPUMTLVertexBuffer::CPUMTLVertexBuffer
CPUMTLVertexBuffer(int numElements, int numVertices)
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CPUMTLVertexBuffer::Create
static CPUMTLVertexBuffer * Create(int numElements, int numVertices, MTLContext *context)
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CPUMTLVertexBuffer::GetNumElements
int GetNumElements() const
Definition mtlVertexBuffer.h:45
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CPUMTLVertexBuffer::UpdateData
void UpdateData(const float *src, int startVertex, int numVertices, MTLContext *context)
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CPUMTLVertexBuffer::GetNumVertices
int GetNumVertices() const
Definition mtlVertexBuffer.h:50
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CPUMTLVertexBuffer::BindMTLBuffer
id< MTLBuffer > BindMTLBuffer(MTLContext *context)
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CPUMTLVertexBuffer::BindCpuBuffer
float * BindCpuBuffer()
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CPUMTLVertexBuffer::allocate
bool allocate(MTLContext *context)