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fallbackLightingShader.h
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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:
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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
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14 // You may obtain a copy of the Apache License at
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24 #ifndef PXR_IMAGING_HD_ST_FALLBACK_LIGHTING_SHADER_H
25 #define PXR_IMAGING_HD_ST_FALLBACK_LIGHTING_SHADER_H
26 
27 #include "pxr/pxr.h"
28 #include "pxr/imaging/hdSt/api.h"
30 
31 #include "pxr/base/gf/vec4d.h"
32 
33 #include <memory>
34 
36 
37 class HioGlslfx;
38 
39 /// \class HdSt_FallbackLightingShader
40 ///
41 /// A shader that provides fallback lighting behavior.
42 ///
44 {
45 public:
46  HDST_API
48  HDST_API
50 
51  // HdStShaderCode overrides
52  HDST_API
53  ID ComputeHash() const override;
54  HDST_API
55  std::string GetSource(TfToken const &shaderStageKey) const override;
56  HDST_API
57  void BindResources(int program,
58  HdSt_ResourceBinder const &binder,
59  HdRenderPassState const &state) override;
60  HDST_API
61  void UnbindResources(int program,
62  HdSt_ResourceBinder const &binder,
63  HdRenderPassState const &state) override;
64  HDST_API
65  void AddBindings(HdBindingRequestVector *customBindings) override;
66 
67  // HdStLightingShader overrides
68  HDST_API
69  void SetCamera(GfMatrix4d const &worldToViewMatrix,
70  GfMatrix4d const &projectionMatrix) override;
71 
72 private:
73  std::unique_ptr<HioGlslfx> _glslfx;
74 };
75 
76 
78 
79 #endif // PXR_IMAGING_HD_ST_FALLBACK_LIGHTING_SHADER_H
HDST_API void SetCamera(GfMatrix4d const &worldToViewMatrix, GfMatrix4d const &projectionMatrix) override
Sets camera state.
GLbitfield GLuint program
Definition: glcorearb.h:1930
Definition: token.h:87
HDST_API ~HdSt_FallbackLightingShader() override
HDST_API void UnbindResources(int program, HdSt_ResourceBinder const &binder, HdRenderPassState const &state) override
Unbinds shader-specific resources.
GLsizei const GLchar *const * string
Definition: glcorearb.h:813
HDST_API ID ComputeHash() const override
PXR_NAMESPACE_CLOSE_SCOPE PXR_NAMESPACE_OPEN_SCOPE
Definition: path.h:1375
#define HDST_API
Definition: api.h:40
#define PXR_NAMESPACE_CLOSE_SCOPE
Definition: pxr.h:91
HDST_API HdSt_FallbackLightingShader()
HDST_API void BindResources(int program, HdSt_ResourceBinder const &binder, HdRenderPassState const &state) override
HDST_API std::string GetSource(TfToken const &shaderStageKey) const override
HDST_API void AddBindings(HdBindingRequestVector *customBindings) override
Add custom bindings (used by codegen)
std::vector< class HdBindingRequest > HdBindingRequestVector
Definition: binding.h:41