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matfiltFilterChain.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:
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24 #ifndef HDPRMAN_MATFILT_FILTERCHAIN_H
25 #define HDPRMAN_MATFILT_FILTERCHAIN_H
26 
27 #include "pxr/pxr.h"
28 #include "pxr/base/vt/value.h"
29 #include "pxr/usd/sdf/path.h"
30 #include "pxr/usd/ndr/declare.h"
31 #include <map>
32 
33 PXR_NAMESPACE_OPEN_SCOPE
34 
39  SdfPath upstreamNode;
40  TfToken upstreamOutputName;
41 };
42 
49 struct MatfiltNode {
50  TfToken nodeTypeId;
51  std::map<TfToken, VtValue> parameters;
52  std::map<TfToken, std::vector<MatfiltConnection>> inputConnections;
53 };
54 
61  std::map<SdfPath, MatfiltNode> nodes;
62  std::map<TfToken, MatfiltConnection> terminals;
63 };
64 
66 typedef void (*MatfiltFilterFnc)
67  (const SdfPath & networkId,
68  MatfiltNetwork & network,
69  const std::map<TfToken, VtValue> & contextValues,
70  const NdrTokenVec & shaderTypePriority,
71  std::vector<std::string> * outputErrorMessages);
72 
74 typedef std::vector<MatfiltFilterFnc> MatfiltFilterChain;
75 
96 void MatfiltExecFilterChain(
97  MatfiltFilterChain const& filterChain,
98  const SdfPath & networkId,
99  MatfiltNetwork & network,
100  const std::map<TfToken, VtValue> & contextValues,
101  const NdrTokenVec & shaderTypePriority,
102  std::vector<std::string> * outputErrorMessages = nullptr);
103 
104 PXR_NAMESPACE_CLOSE_SCOPE
105 
106 #endif
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
Describes an instance of a node within a network A node contains a (shader) type identifier, parameter values, and connections to upstream nodes.
Describes a single connection to an upsream node and output port.
Container of nodes and top-level terminal connections.