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volumeShaderKey.h
1 //
2 // Copyright 2019 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
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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
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23 //
24 #ifndef PXR_IMAGING_HD_ST_VOLUME_SHADER_KEY_H
25 #define PXR_IMAGING_HD_ST_VOLUME_SHADER_KEY_H
26 
27 #include "pxr/pxr.h"
28 #include "pxr/imaging/hd/version.h"
29 #include "pxr/imaging/hd/enums.h"
30 #include "pxr/imaging/hdSt/geometricShader.h"
31 #include "pxr/imaging/hdSt/shaderKey.h"
32 #include "pxr/base/tf/token.h"
33 
34 PXR_NAMESPACE_OPEN_SCOPE
35 
36 struct HdSt_VolumeShaderKey : public HdSt_ShaderKey
37 {
38  HdSt_VolumeShaderKey();
39  ~HdSt_VolumeShaderKey();
40 
41  TfToken const &GetGlslfxFilename() const override { return glslfx; }
42  TfToken const *GetVS() const override { return VS; }
43  TfToken const *GetFS() const override { return FS; }
44 
45  HdSt_GeometricShader::PrimitiveType GetPrimitiveType() const override {
46  return HdSt_GeometricShader::PrimitiveType::PRIM_VOLUME;
47  }
48 
49  TfToken glslfx;
50  TfToken VS[3];
51  TfToken FS[4];
52 };
53 
54 
55 PXR_NAMESPACE_CLOSE_SCOPE
56 
57 #endif // HDST_VOLUME_SHADER_KEY
Token for efficient comparison, assignment, and hashing of known strings.
Definition: token.h:87