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basisCurves.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:
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24 #ifndef PXR_IMAGING_HD_BASIS_CURVES_H
25 #define PXR_IMAGING_HD_BASIS_CURVES_H
26 
27 #include "pxr/pxr.h"
28 #include "pxr/imaging/hd/api.h"
29 #include "pxr/imaging/hd/version.h"
30 #include "pxr/imaging/hd/rprim.h"
31 
33 
34 #define HD_BASISCURVES_REPR_DESC_TOKENS \
35  (surfaceShader) \
36  (surfaceShaderUnlit) \
37  (hullColor) \
38  (pointColor)
39 
40 TF_DECLARE_PUBLIC_TOKENS(HdBasisCurvesReprDescTokens, HD_API,
42 
43 /// \class HdBasisCurvesReprDesc
44 ///
45 /// Descriptor to configure a drawItem for a repr.
46 ///
48 {
51  TfToken shadingTerminal = HdBasisCurvesReprDescTokens->surfaceShader)
54  {}
55 
56  bool IsEmpty() const {
58  }
59 
61  /// Specifies how the fragment color should be computed from primvar;
62  /// this can be used to render heatmap highlighting etc.
64 };
65 
66 /// Hydra Schema for a collection of curves using a particular basis.
67 ///
68 class HdBasisCurves : public HdRprim
69 {
70 public:
71  HD_API
72  ~HdBasisCurves() override;
73 
74  ///
75  /// Topology
76  ///
78  inline HdDisplayStyle GetDisplayStyle(HdSceneDelegate* delegate) const;
79 
80  HD_API
81  TfTokenVector const & GetBuiltinPrimvarNames() const override;
82 
83  /// Configure geometric style of drawItems for \p reprName
84  HD_API
85  static void ConfigureRepr(TfToken const &reprName,
87 
88  /// Returns whether refinement is always on or not.
89  HD_API
90  static bool IsEnabledForceRefinedCurves();
91 
92 protected:
93  HD_API
94  HdBasisCurves(SdfPath const& id);
95 
97 
98  HD_API
100  _GetReprDesc(TfToken const &reprName);
101 
102 private:
103  // Class can not be default constructed or copied.
104  HdBasisCurves() = delete;
105  HdBasisCurves(const HdBasisCurves &) = delete;
106  HdBasisCurves &operator =(const HdBasisCurves &) = delete;
107 
108  static _BasisCurvesReprConfig _reprDescConfig;
109 };
110 
113 {
114  return delegate->GetBasisCurvesTopology(GetId());
115 }
116 
117 inline HdDisplayStyle
119 {
120  return delegate->GetDisplayStyle(GetId());
121 }
122 
123 
125 
126 #endif // PXR_IMAGING_HD_BASIS_CURVES_H
HD_API ~HdBasisCurves() override
HdBasisCurvesTopology GetBasisCurvesTopology(HdSceneDelegate *delegate) const
Definition: basisCurves.h:112
#define HD_API
Definition: api.h:40
HD_API TfTokenVector const & GetBuiltinPrimvarNames() const override
virtual HD_API HdBasisCurvesTopology GetBasisCurvesTopology(SdfPath const &id)
Gets the topological curve data for a given prim.
HdBasisCurvesReprDesc(HdBasisCurvesGeomStyle geomStyle=HdBasisCurvesGeomStyleInvalid, TfToken shadingTerminal=HdBasisCurvesReprDescTokens->surfaceShader)
Definition: basisCurves.h:49
static HD_API bool IsEnabledForceRefinedCurves()
Returns whether refinement is always on or not.
Definition: token.h:87
virtual HD_API HdDisplayStyle GetDisplayStyle(SdfPath const &id)
Definition: rprim.h:54
std::vector< TfToken > TfTokenVector
Convenience types.
Definition: token.h:457
Definition: path.h:290
#define HD_BASISCURVES_REPR_DESC_TOKENS
Definition: basisCurves.h:34
TF_DECLARE_PUBLIC_TOKENS(HdBasisCurvesReprDescTokens, HD_API, HD_BASISCURVES_REPR_DESC_TOKENS)
static HD_API _BasisCurvesReprConfig::DescArray _GetReprDesc(TfToken const &reprName)
bool IsEmpty() const
Definition: basisCurves.h:56
PXR_NAMESPACE_CLOSE_SCOPE PXR_NAMESPACE_OPEN_SCOPE
Definition: path.h:1432
SdfPath const & GetId() const
Definition: rprim.h:163
std::array< DESC_TYPE, N > DescArray
Definition: rprim.h:321
HdBasisCurvesGeomStyle
Definition: enums.h:158
#define PXR_NAMESPACE_CLOSE_SCOPE
Definition: pxr.h:91
HdDisplayStyle GetDisplayStyle(HdSceneDelegate *delegate) const
Definition: basisCurves.h:118
static HD_API void ConfigureRepr(TfToken const &reprName, HdBasisCurvesReprDesc desc)
Configure geometric style of drawItems for reprName.
HdBasisCurvesGeomStyle geomStyle
Definition: basisCurves.h:60