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XUSD_ExistenceTracker.h
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1 /*
2  * Copyright 2019 Side Effects Software Inc.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  *
16  */
17 
18 #ifndef __XUSD_ExistenceTracker_h__
19 #define __XUSD_ExistenceTracker_h__
20 
21 #include "HUSD_API.h"
22 #include "XUSD_PathSet.h"
23 #include <UT/UT_Assert.h>
24 #include <pxr/usd/usd/timeCode.h>
25 #include <pxr/usd/usd/stage.h>
26 #include <pxr/usd/sdf/layer.h>
27 
29 
31 {
32 public:
35 
36  void collectNewStageData(const UsdStageRefPtr &newstage);
37  void authorVisibility(const UsdStageRefPtr &combinedstage,
38  const UsdTimeCode &timecode);
39 
41  { return myVisibilityLayer; }
43  {
44  UT_ASSERT(!myVisibilityLayer);
45  myVisibilityLayer = layer;
46  }
47 
48 private:
49  SdfLayerRefPtr myVisibilityLayer;
50  XUSD_PathSet myOldPaths;
51  XUSD_PathSet myNewPaths;
52  std::map<SdfPath, bool> myModifiedPaths;
53  UsdTimeCode myOldTimeCode;
54  UsdTimeCode myNewTimeCode;
55  bool myFirstUse;
56 };
57 
59 
60 #endif
61 
GLenum GLuint GLint GLint layer
Definition: glcorearb.h:1298
#define HUSD_API
Definition: HUSD_API.h:32
PXR_NAMESPACE_CLOSE_SCOPE PXR_NAMESPACE_OPEN_SCOPE
Definition: path.h:1375
#define PXR_NAMESPACE_CLOSE_SCOPE
Definition: pxr.h:91
#define UT_ASSERT(ZZ)
Definition: UT_Assert.h:171
SdfLayerRefPtr getVisibilityLayer() const
void setVisibilityLayer(SdfLayerRefPtr layer)