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USD_DataCache.h
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1 //
2 // Copyright 2017 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:
7 // Section 6. Trademarks. is deleted and replaced with:
8 //
9 // 6. Trademarks. This License does not grant permission to use the trade
10 // names, trademarks, service marks, or product names of the Licensor
11 // and its affiliates, except as required to comply with Section 4(c) of
12 // the License and to reproduce the content of the NOTICE file.
13 //
14 // You may obtain a copy of the Apache License at
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16 // http://www.apache.org/licenses/LICENSE-2.0
17 //
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19 // distributed under the Apache License with the above modification is
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24 #ifndef _GUSD_USD_DATACACHE_H_
25 #define _GUSD_USD_DATACACHE_H_
26 
27 #include "gusd/api.h"
28 #include "gusd/stageCache.h"
29 
30 #include "pxr/pxr.h"
31 #include "pxr/base/tf/token.h"
32 
33 #include <UT/UT_StringSet.h>
34 
35 
37 
38 
39 #define GUSDUT_USDCACHE_NAME "USD Cache"
40 
41 class GusdStageCache;
42 
43 
45 {
46 public:
49 
50  virtual ~GusdUSD_DataCache();
51 
52  /// Clear all caches.
53  virtual void Clear() {}
54 
55  /// Clear caches for a set of stages by path
56  virtual int64 Clear(const UT_StringSet& stagePaths) { return 0; }
57 
58 
59  /// Helper for implementations to decide if a cache entry
60  /// corresponding to @a prim should be discarded.
61  static bool ShouldClearPrim(
62  const UsdPrim& prim,
63  const UT_StringSet& stagesToClear);
64 
65 protected:
67 };
68 
69 
71 
72 
73 #endif /*_GUSD_USD_DATACACHE_H_*/
virtual void Clear()
Clear all caches.
Definition: USD_DataCache.h:53
long long int64
Definition: SYS_Types.h:111
GusdStageCache & _stageCache
Definition: USD_DataCache.h:66
Definition: prim.h:131
virtual int64 Clear(const UT_StringSet &stagePaths)
Clear caches for a set of stages by path.
Definition: USD_DataCache.h:56
PXR_NAMESPACE_CLOSE_SCOPE PXR_NAMESPACE_OPEN_SCOPE
Definition: path.h:1245
#define PXR_NAMESPACE_CLOSE_SCOPE
Definition: pxr.h:83
#define GUSD_API
Definition: api.h:40