All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Groups Pages
smoothNormals.h
1 //
2 // Copyright 2016 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 #ifndef HDST_SMOOTH_NORMALS_H
25 #define HDST_SMOOTH_NORMALS_H
26 
27 #include "pxr/pxr.h"
28 #include "pxr/imaging/hdSt/api.h"
29 #include "pxr/imaging/hd/bufferSource.h"
30 #include "pxr/imaging/hd/computation.h"
31 
32 #include "pxr/base/tf/token.h"
33 
34 PXR_NAMESPACE_OPEN_SCOPE
35 
36 
37 class Hd_VertexAdjacency;
38 
42 class HdSt_SmoothNormalsComputationGPU : public HdComputation {
43 public:
45  HDST_API
46  HdSt_SmoothNormalsComputationGPU(Hd_VertexAdjacency const *adjacency,
47  TfToken const &srcName,
48  TfToken const &dstName,
49  HdType srcDataType,
50  bool packed);
51 
52  HDST_API
53  virtual void GetBufferSpecs(HdBufferSpecVector *specs) const override;
54  HDST_API
55  virtual void Execute(HdBufferArrayRangeSharedPtr const &range,
56  HdResourceRegistry *resourceRegistry) override;
57 
61  virtual int GetNumOutputElements() const override { return 0; }
62 
63 private:
64  Hd_VertexAdjacency const *_adjacency;
65  TfToken _srcName;
66  TfToken _dstName;
67  HdType _srcDataType;
68  HdType _dstDataType;
69 };
70 
71 
72 PXR_NAMESPACE_CLOSE_SCOPE
73 
74 #endif // HDST_SMOOTH_NORMALS_H
virtual int GetNumOutputElements() const =0
Returns the size of its destination buffer (located by range argument of Execute()).
Token for efficient comparison, assignment, and hashing of known strings.
Definition: token.h:89
A central registry of all GPU resources.
virtual void Execute(HdBufferArrayRangeSharedPtr const &range, HdResourceRegistry *resourceRegistry)=0
Execute computation.
An interface class for GPU computation.
Definition: computation.h:50
virtual void GetBufferSpecs(HdBufferSpecVector *specs) const =0
Add the buffer spec for this computation into given bufferspec vector.