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adapterRegistry.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
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24 #ifndef PXR_USD_IMAGING_USD_IMAGING_ADAPTER_REGISTRY_H
25 #define PXR_USD_IMAGING_USD_IMAGING_ADAPTER_REGISTRY_H
26 
28 
29 #include "pxr/pxr.h"
30 #include "pxr/usdImaging/usdImaging/api.h"
31 #include "pxr/base/tf/singleton.h"
32 #include "pxr/base/tf/staticTokens.h"
33 #include "pxr/base/tf/token.h"
34 #include "pxr/base/tf/type.h"
35 
36 #include <unordered_map>
37 
38 PXR_NAMESPACE_OPEN_SCOPE
39 
40 
42 using UsdImagingPrimAdapterSharedPtr = std::shared_ptr<UsdImagingPrimAdapter>;
43 
44 #define USD_IMAGING_ADAPTER_KEY_TOKENS \
45  ((instanceAdapterKey, "__instanceAdapter")) \
46  ((drawModeAdapterKey, "__drawModeAdapter")) \
47 
48 TF_DECLARE_PUBLIC_TOKENS(UsdImagingAdapterKeyTokens,
49  USDIMAGING_API,
50  USD_IMAGING_ADAPTER_KEY_TOKENS);
51 
56 class UsdImagingAdapterRegistry : public TfSingleton<UsdImagingAdapterRegistry>
57 {
58  friend class TfSingleton<UsdImagingAdapterRegistry>;
59  UsdImagingAdapterRegistry();
60 
61  typedef std::unordered_map<TfToken,TfType,TfToken::HashFunctor> _TypeMap;
62  _TypeMap _typeMap;
63 
64 public:
65 
73  USDIMAGING_API
74  static bool AreExternalPluginsEnabled();
75 
76  USDIMAGING_API
77  static UsdImagingAdapterRegistry& GetInstance() {
79  }
80 
83  USDIMAGING_API
84  bool HasAdapter(TfToken const& adapterKey);
85 
90  USDIMAGING_API
91  UsdImagingPrimAdapterSharedPtr ConstructAdapter(TfToken const& adapterKey);
92 };
93 
94 USDIMAGING_API_TEMPLATE_CLASS(TfSingleton<UsdImagingAdapterRegistry>);
95 
96 PXR_NAMESPACE_CLOSE_SCOPE
97 
98 #endif //PXR_USD_IMAGING_USD_IMAGING_ADAPTER_REGISTRY_H
Manage a single instance of an object (see.
Definition: singleton.h:122
Token for efficient comparison, assignment, and hashing of known strings.
Definition: token.h:87
USDIMAGING_API bool HasAdapter(TfToken const &adapterKey)
Returns true if an adapter has been registered to handle the given adapterKey.
Base class for all PrimAdapters.
Definition: primAdapter.h:66
USDIMAGING_API UsdImagingPrimAdapterSharedPtr ConstructAdapter(TfToken const &adapterKey)
Returns a new instance of the UsdImagingPrimAdapter that has been registered to handle the given adap...
#define TF_DECLARE_PUBLIC_TOKENS(...)
Macro to define public tokens.
Definition: staticTokens.h:118
static T & GetInstance()
Return a reference to an object of type T, creating it if necessary.
Definition: singleton.h:137
Registry of PrimAdapter plug-ins.
static USDIMAGING_API bool AreExternalPluginsEnabled()
Returns true if external plugins are enabled.