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 {
36 namespace OPENSUBDIV_VERSION
37 {
38 namespace Osd
39 {
40 class CPUMTLVertexBuffer
41 {
42 public:
43 static CPUMTLVertexBuffer* Create(int numElements, int numVertices, MTLContext* context);
44
45 void UpdateData(const float* src, int startVertex, int numVertices, MTLContext* context);
46
47 int GetNumElements() const
48 {
49 return _numElements;
50 }
51
52 int GetNumVertices() const
53 {
54 return _numVertices;
55 }
56
57 float* BindCpuBuffer();
58 id<MTLBuffer> BindMTLBuffer(MTLContext* context);
59
60 id<MTLBuffer> BindVBO(MTLContext* context)
61 {
62 return BindMTLBuffer(context);
63 }
64
65 protected:
66
67 CPUMTLVertexBuffer(int numElements, int numVertices);
68
69 bool allocate(MTLContext* context);
70
71 private:
72 int _numElements;
73 int _numVertices;
74 id<MTLBuffer> _buffer;
75 bool _dirty;
76 };
77
78 } //end namespace Osd
79 } //end namespace OPENSUBDIV_VERSION
80 using namespace OPENSUBDIV_VERSION;
81 } //end namespace OpenSubdiv
82
83
84 #endif // OPENSUBDIV3_OSD_MTL_VERTEX_BUFFER_H
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CPUMTLVertexBuffer::BindVBO
id< MTLBuffer > BindVBO(MTLContext *context)
Definition: mtlVertexBuffer.h:60
OpenSubdiv
Definition: error.h:30
OpenSubdiv::OPENSUBDIV_VERSION::Osd::MTLContext
Definition: mtlCommon.h:41
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CPUMTLVertexBuffer::GetNumVertices
int GetNumVertices() const
Definition: mtlVertexBuffer.h:52
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CPUMTLVertexBuffer
Definition: mtlVertexBuffer.h:40
OpenSubdiv::OPENSUBDIV_VERSION::Osd::CPUMTLVertexBuffer::GetNumElements
int GetNumElements() const
Definition: mtlVertexBuffer.h:47