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volumeShader.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
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_VOLUME_SHADER_H
25 #define HDST_VOLUME_SHADER_H
26 
27 #include "pxr/pxr.h"
28 #include "pxr/imaging/hdSt/api.h"
29 #include "pxr/imaging/hd/version.h"
30 
31 #include "pxr/imaging/hdSt/surfaceShader.h"
32 
33 PXR_NAMESPACE_OPEN_SCOPE
34 
35 class HdRenderDelegate;
36 
37 using HdSt_VolumeShaderSharedPtr = boost::shared_ptr<class HdSt_VolumeShader>;
38 
47 class HdSt_VolumeShader : public HdStSurfaceShader
48 {
49 public:
50  explicit HdSt_VolumeShader(HdRenderDelegate * const renderDelegate);
51  ~HdSt_VolumeShader() override;
52 
55  void AddBindings(HdBindingRequestVector * customBindings) override;
56 
58  void BindResources(HdSt_ResourceBinder const &binder, int program) override;
59 
60 private:
61  HdRenderDelegate * const _renderDelegate;
62  int _lastRenderSettingsVersion;
63  float _stepSize;
64  float _stepSizeLighting;
65 };
66 
67 PXR_NAMESPACE_CLOSE_SCOPE
68 
69 #endif
virtual HDST_API void AddBindings(HdBindingRequestVector *customBindings) override
Add custom bindings (used by codegen)
A scene-based SurfaceShader object.
Definition: surfaceShader.h:61
virtual HDST_API void BindResources(HdSt_ResourceBinder const &binder, int program) override
Binds shader-specific resources to program XXX: this interface is meant to be used for bridging the G...