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rslShader.h
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1 //
2 // Copyright 2016 Pixar
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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 USDRI_GENERATED_RSLSHADER_H
25 #define USDRI_GENERATED_RSLSHADER_H
26 
27 /// \file usdRi/rslShader.h
28 
29 #include "pxr/pxr.h"
30 #include "pxr/usd/usdRi/api.h"
32 #include "pxr/usd/usd/prim.h"
33 #include "pxr/usd/usd/stage.h"
34 #include "pxr/usd/usdRi/tokens.h"
35 
36 #include "pxr/base/vt/value.h"
37 
38 #include "pxr/base/gf/vec3d.h"
39 #include "pxr/base/gf/vec3f.h"
40 #include "pxr/base/gf/matrix4d.h"
41 
42 #include "pxr/base/tf/token.h"
43 #include "pxr/base/tf/type.h"
44 
46 
47 class SdfAssetPath;
48 
49 // -------------------------------------------------------------------------- //
50 // RSLSHADER //
51 // -------------------------------------------------------------------------- //
52 
53 /// \class UsdRiRslShader
54 ///
55 ///
56 /// \deprecated RSL shaders have been deprecated in RenderMan. This
57 /// schema will be removed in a future release.
58 ///
59 ///
61 {
62 public:
63  /// Compile time constant representing what kind of schema this class is.
64  ///
65  /// \sa UsdSchemaType
67 
68  /// Construct a UsdRiRslShader on UsdPrim \p prim .
69  /// Equivalent to UsdRiRslShader::Get(prim.GetStage(), prim.GetPath())
70  /// for a \em valid \p prim, but will not immediately throw an error for
71  /// an invalid \p prim
72  explicit UsdRiRslShader(const UsdPrim& prim=UsdPrim())
73  : UsdShadeShader(prim)
74  {
75  }
76 
77  /// Construct a UsdRiRslShader on the prim held by \p schemaObj .
78  /// Should be preferred over UsdRiRslShader(schemaObj.GetPrim()),
79  /// as it preserves SchemaBase state.
80  explicit UsdRiRslShader(const UsdSchemaBase& schemaObj)
81  : UsdShadeShader(schemaObj)
82  {
83  }
84 
85  /// Destructor.
86  USDRI_API
87  virtual ~UsdRiRslShader();
88 
89  /// Return a vector of names of all pre-declared attributes for this schema
90  /// class and all its ancestor classes. Does not include attributes that
91  /// may be authored by custom/extended methods of the schemas involved.
92  USDRI_API
93  static const TfTokenVector &
94  GetSchemaAttributeNames(bool includeInherited=true);
95 
96  /// Return a UsdRiRslShader holding the prim adhering to this
97  /// schema at \p path on \p stage. If no prim exists at \p path on
98  /// \p stage, or if the prim at that path does not adhere to this schema,
99  /// return an invalid schema object. This is shorthand for the following:
100  ///
101  /// \code
102  /// UsdRiRslShader(stage->GetPrimAtPath(path));
103  /// \endcode
104  ///
105  USDRI_API
106  static UsdRiRslShader
107  Get(const UsdStagePtr &stage, const SdfPath &path);
108 
109  /// Attempt to ensure a \a UsdPrim adhering to this schema at \p path
110  /// is defined (according to UsdPrim::IsDefined()) on this stage.
111  ///
112  /// If a prim adhering to this schema at \p path is already defined on this
113  /// stage, return that prim. Otherwise author an \a SdfPrimSpec with
114  /// \a specifier == \a SdfSpecifierDef and this schema's prim type name for
115  /// the prim at \p path at the current EditTarget. Author \a SdfPrimSpec s
116  /// with \p specifier == \a SdfSpecifierDef and empty typeName at the
117  /// current EditTarget for any nonexistent, or existing but not \a Defined
118  /// ancestors.
119  ///
120  /// The given \a path must be an absolute prim path that does not contain
121  /// any variant selections.
122  ///
123  /// If it is impossible to author any of the necessary PrimSpecs, (for
124  /// example, in case \a path cannot map to the current UsdEditTarget's
125  /// namespace) issue an error and return an invalid \a UsdPrim.
126  ///
127  /// Note that this method may return a defined prim whose typeName does not
128  /// specify this schema class, in case a stronger typeName opinion overrides
129  /// the opinion at the current EditTarget.
130  ///
131  USDRI_API
132  static UsdRiRslShader
133  Define(const UsdStagePtr &stage, const SdfPath &path);
134 
135 protected:
136  /// Returns the type of schema this class belongs to.
137  ///
138  /// \sa UsdSchemaType
139  USDRI_API
140  UsdSchemaType _GetSchemaType() const override;
141 
142 private:
143  // needs to invoke _GetStaticTfType.
144  friend class UsdSchemaRegistry;
145  USDRI_API
146  static const TfType &_GetStaticTfType();
147 
148  static bool _IsTypedSchema();
149 
150  // override SchemaBase virtuals.
151  USDRI_API
152  const TfType &_GetTfType() const override;
153 
154 public:
155  // --------------------------------------------------------------------- //
156  // SLOPATH
157  // --------------------------------------------------------------------- //
158  ///
159  ///
160  /// | ||
161  /// | -- | -- |
162  /// | Declaration | `asset info:sloPath` |
163  /// | C++ Type | SdfAssetPath |
164  /// | \ref Usd_Datatypes "Usd Type" | SdfValueTypeNames->Asset |
165  USDRI_API
167 
168  /// See GetSloPathAttr(), and also
169  /// \ref Usd_Create_Or_Get_Property for when to use Get vs Create.
170  /// If specified, author \p defaultValue as the attribute's default,
171  /// sparsely (when it makes sense to do so) if \p writeSparsely is \c true -
172  /// the default for \p writeSparsely is \c false.
173  USDRI_API
174  UsdAttribute CreateSloPathAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
175 
176 public:
177  // ===================================================================== //
178  // Feel free to add custom code below this line, it will be preserved by
179  // the code generator.
180  //
181  // Just remember to:
182  // - Close the class declaration with };
183  // - Close the namespace with PXR_NAMESPACE_CLOSE_SCOPE
184  // - Close the include guard with #endif
185  // ===================================================================== //
186  // --(BEGIN CUSTOM CODE)--
187 
188 };
189 
191 
192 #endif
USDRI_API UsdSchemaType _GetSchemaType() const override
USDRI_API UsdAttribute GetSloPathAttr() const
virtual USDRI_API ~UsdRiRslShader()
Destructor.
USDRI_API UsdAttribute CreateSloPathAttr(VtValue const &defaultValue=VtValue(), bool writeSparsely=false) const
Represents a concrete typed schema.
static USDRI_API const TfTokenVector & GetSchemaAttributeNames(bool includeInherited=true)
UsdRiRslShader(const UsdPrim &prim=UsdPrim())
Definition: rslShader.h:72
UsdSchemaType
Definition: common.h:127
Definition: prim.h:132
std::vector< TfToken > TfTokenVector
Convenience types.
Definition: token.h:446
#define USDRI_API
Definition: api.h:40
Definition: path.h:288
GLsizei const GLchar *const * path
Definition: glew.h:6461
UsdRiRslShader(const UsdSchemaBase &schemaObj)
Definition: rslShader.h:80
static USDRI_API UsdRiRslShader Get(const UsdStagePtr &stage, const SdfPath &path)
PXR_NAMESPACE_CLOSE_SCOPE PXR_NAMESPACE_OPEN_SCOPE
Definition: path.h:1346
#define PXR_NAMESPACE_CLOSE_SCOPE
Definition: pxr.h:91
Definition: type.h:64
static const UsdSchemaType schemaType
Definition: rslShader.h:66
static USDRI_API UsdRiRslShader Define(const UsdStagePtr &stage, const SdfPath &path)
Definition: value.h:174