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points.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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8 //
9 // 6. Trademarks. This License does not grant permission to use the trade
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11 // and its affiliates, except as required to comply with Section 4(c) of
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14 // You may obtain a copy of the Apache License at
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16 // http://www.apache.org/licenses/LICENSE-2.0
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24 #ifndef HDST_POINTS_H
25 #define HDST_POINTS_H
26 
27 #include "pxr/pxr.h"
28 #include "pxr/imaging/hdSt/api.h"
29 #include "pxr/imaging/hd/version.h"
30 #include "pxr/imaging/hd/drawingCoord.h"
31 #include "pxr/imaging/hd/enums.h"
32 #include "pxr/imaging/hd/perfLog.h"
33 #include "pxr/imaging/hd/points.h"
34 
35 #include "pxr/usd/sdf/path.h"
36 #include "pxr/base/vt/array.h"
37 
38 #include <boost/shared_ptr.hpp>
39 
40 PXR_NAMESPACE_OPEN_SCOPE
41 
46 class HdStPoints final : public HdPoints {
47 public:
48  HF_MALLOC_TAG_NEW("new HdStPoints");
49 
50  HDST_API
51  HdStPoints(SdfPath const& id, SdfPath const& instancerId = SdfPath());
52 
53  HDST_API
54  virtual ~HdStPoints();
55 
56  HDST_API
57  virtual void Sync(HdSceneDelegate *delegate,
58  HdRenderParam *renderParam,
59  HdDirtyBits *dirtyBits,
60  TfToken const &reprToken) override;
61  HDST_API
62  virtual HdDirtyBits GetInitialDirtyBitsMask() const override;
63 
64 protected:
65  HDST_API
66  virtual void _InitRepr(TfToken const &reprToken,
67  HdDirtyBits *dirtyBits) override;
68 
69  HDST_API
70  virtual HdDirtyBits _PropagateDirtyBits(HdDirtyBits bits) const override;
71 
72  void _UpdateRepr(HdSceneDelegate *sceneDelegate,
73  TfToken const &reprToken,
74  HdDirtyBits *dirtyBitsState);
75 
76  void _PopulateVertexPrimvars(HdSceneDelegate *sceneDelegate,
77  HdStDrawItem *drawItem,
78  HdDirtyBits *dirtyBitsState);
79 
80 private:
81  HdReprSharedPtr _smoothHullRepr;
82 
83  enum DrawingCoord {
84  InstancePrimvar = HdDrawingCoord::CustomSlotsBegin
85  };
86 
87  const TfToken& _GetMaterialTag(const HdRenderIndex &renderIndex) const;
88 
89  void _UpdateDrawItem(HdSceneDelegate *sceneDelegate,
90  HdStDrawItem *drawItem,
91  HdDirtyBits *dirtyBits);
92 };
93 
94 
95 PXR_NAMESPACE_CLOSE_SCOPE
96 
97 #endif // HDST_POINTS_H
The Hydra render index is a flattened representation of the client scene graph, which may be composed...
Definition: renderIndex.h:119
Hydra Schema for a point cloud.
Definition: points.h:53
The HdRenderParam is an opaque (to core Hydra) handle, to an object that is obtained from the render ...
virtual HDST_API void Sync(HdSceneDelegate *delegate, HdRenderParam *renderParam, HdDirtyBits *dirtyBits, TfToken const &reprToken) override
Pull invalidated scene data and prepare/update the renderable representation.
Token for efficient comparison, assignment, and hashing of known strings.
Definition: token.h:89
Points.
Definition: points.h:46
virtual HDST_API HdDirtyBits _PropagateDirtyBits(HdDirtyBits bits) const override
This callback from Rprim gives the prim an opportunity to set additional dirty bits based on those al...
Adapter class providing data exchange with the client scene graph.
virtual HDST_API HdDirtyBits GetInitialDirtyBitsMask() const override
Returns the set of dirty bits that should be added to the change tracker for this prim...
A path value used to locate objects in layers or scenegraphs.
Definition: path.h:287
virtual HDST_API void _InitRepr(TfToken const &reprToken, HdDirtyBits *dirtyBits) override
Initialize the given representation of this Rprim.