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drawItemInstance.h
1 //
2 // Copyright 2016 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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14 // You may obtain a copy of the Apache License at
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24 #ifndef PXR_IMAGING_HD_ST_DRAW_ITEM_INSTANCE_H
25 #define PXR_IMAGING_HD_ST_DRAW_ITEM_INSTANCE_H
26 
27 #include "pxr/pxr.h"
28 #include "pxr/imaging/hdSt/api.h"
29 #include "pxr/imaging/hdSt/drawItem.h"
30 
31 PXR_NAMESPACE_OPEN_SCOPE
32 
33 using HdSt_DrawBatchSharedPtr = std::shared_ptr<class HdSt_DrawBatch>;
34 
48 {
49 public:
50  HDST_API
51  HdStDrawItemInstance(HdStDrawItem const *drawItem);
52  HDST_API
53  ~HdStDrawItemInstance();
54 
56  HDST_API
57  void SetVisible(bool visible);
58 
60  bool IsVisible() const { return _visible; }
61 
64  HDST_API
65  void SetBatchIndex(size_t batchIndex);
66 
68  size_t GetBatchIndex() const { return _batchIndex; }
69 
73  // HDST_API
74  void SetBatch(HdSt_DrawBatch *batch);
75 
77  HdStDrawItem const *GetDrawItem() const { return _drawItem; }
78 
79 private:
80  HdStDrawItemInstance();
81 
82  HdSt_DrawBatch * _batch;
83  HdStDrawItem const * _drawItem;
84  size_t _batchIndex;
85  bool _visible;
86 };
87 
88 
89 PXR_NAMESPACE_CLOSE_SCOPE
90 
91 #endif // PXR_IMAGING_HD_ST_DRAW_ITEM_INSTANCE_H
92 
HDST_API void SetVisible(bool visible)
Set visibility state.
bool IsVisible() const
Query visibility state.
A container to store instance state for a drawitem.
size_t GetBatchIndex() const
Query batch index.
HDST_API void SetBatchIndex(size_t batchIndex)
Set index into batch list.
void SetBatch(HdSt_DrawBatch *batch)
Set the batch that will receive the DrawItemInstanceChanged callback when visibility is updated...
HdStDrawItem const * GetDrawItem() const
Return a const pointer to draw item.