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matfiltResolveVstructs.h
1 //
2 // Copyright 2019 Pixar
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5 // with the following modification; you may not use this file except in
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24 #ifndef HDPRMAN_MATFILT_RESOLVEVSTRUCTS_H
25 #define HDPRMAN_MATFILT_RESOLVEVSTRUCTS_H
26 
27 #include "pxr/pxr.h"
28 #include "hdPrman/matfiltFilterChain.h"
29 #include <memory>
30 
31 PXR_NAMESPACE_OPEN_SCOPE
32 
39 void MatfiltResolveVstructs(
40  const SdfPath & networkId,
41  MatfiltNetwork & network,
42  const std::map<TfToken, VtValue> & contextValues,
43  const NdrTokenVec & shaderTypePriority,
44  std::vector<std::string> * outputErrorMessages);
45 
46 class MatfiltVstructConditionalEvaluatorImpl;
47 
54 {
55 public:
56  typedef std::shared_ptr<MatfiltVstructConditionalEvaluator> Ptr;
57 
59 
60  static Ptr Parse(const std::string & inputExpr);
61 
69  void Evaluate(
70  const SdfPath & nodeId,
71  const TfToken & nodeInputId,
72  const SdfPath & upstreamNodeId,
73  const TfToken & upstreamNodeOutput,
74  const NdrTokenVec & shaderTypePriority,
75  MatfiltNetwork & network) const;
76 private:
78 
79  MatfiltVstructConditionalEvaluatorImpl * _impl = nullptr;
80 };
81 
82 PXR_NAMESPACE_CLOSE_SCOPE
83 
84 #endif
void Evaluate(const SdfPath &nodeId, const TfToken &nodeInputId, const SdfPath &upstreamNodeId, const TfToken &upstreamNodeOutput, const NdrTokenVec &shaderTypePriority, MatfiltNetwork &network) const
Runs the conditional actions specified by the parsed inputExpr.
Parses and evaluates a single expression of &quot;virtual struct conditional grammar&quot;. ...
Token for efficient comparison, assignment, and hashing of known strings.
Definition: token.h:89
A path value used to locate objects in layers or scenegraphs.
Definition: path.h:287
Container of nodes and top-level terminal connections.