1 // Copyright 2009-2021 Intel Corporation
2 // SPDX-License-Identifier: Apache-2.0
3 
4 #pragma once
5 
6 #include "primitive.h"
7 
8 namespace embree
9 {
10   struct Object
11   {
12     struct Type : public PrimitiveType
13     {
14       const char* name() const;
15       size_t sizeActive(const char* This) const;
16       size_t sizeTotal(const char* This) const;
17       size_t getBytes(const char* This) const;
18     };
19     static Type type;
20 
21   public:
22 
23     /* primitive supports multiple time segments */
24     static const bool singleTimeSegment = false;
25 
26     /* Returns maximum number of stored primitives */
max_sizeObject27     static __forceinline size_t max_size() { return 1; }
28 
29     /* Returns required number of primitive blocks for N primitives */
blocksObject30     static __forceinline size_t blocks(size_t N) { return N; }
31 
32   public:
33 
34     /*! constructs a virtual object */
ObjectObject35     Object (unsigned geomID, unsigned primID)
36     : _geomID(geomID), _primID(primID) {}
37 
geomIDObject38     __forceinline unsigned geomID() const {
39       return _geomID;
40     }
41 
primIDObject42     __forceinline unsigned primID() const {
43       return _primID;
44     }
45 
46     /*! fill triangle from triangle list */
fillObject47     __forceinline void fill(const PrimRef* prims, size_t& i, size_t end, Scene* scene)
48     {
49       const PrimRef& prim = prims[i]; i++;
50       new (this) Object(prim.geomID(), prim.primID());
51     }
52 
53     /*! fill triangle from triangle list */
fillMBObject54     __forceinline LBBox3fa fillMB(const PrimRef* prims, size_t& i, size_t end, Scene* scene, size_t itime)
55     {
56       const PrimRef& prim = prims[i]; i++;
57       const unsigned geomID = prim.geomID();
58       const unsigned primID = prim.primID();
59       new (this) Object(geomID, primID);
60       AccelSet* accel = (AccelSet*) scene->get(geomID);
61       return accel->linearBounds(primID,itime);
62     }
63 
64     /*! fill triangle from triangle list */
fillMBObject65     __forceinline LBBox3fa fillMB(const PrimRefMB* prims, size_t& i, size_t end, Scene* scene, const BBox1f time_range)
66     {
67       const PrimRefMB& prim = prims[i]; i++;
68       const unsigned geomID = prim.geomID();
69       const unsigned primID = prim.primID();
70       new (this) Object(geomID, primID);
71       AccelSet* accel = (AccelSet*) scene->get(geomID);
72       return accel->linearBounds(primID,time_range);
73     }
74 
75     /* Updates the primitive */
updateObject76     __forceinline BBox3fa update(AccelSet* mesh) {
77       return mesh->bounds(primID());
78     }
79 
80   private:
81     unsigned int _geomID;  //!< geometry ID
82     unsigned int _primID;  //!< primitive ID
83   };
84 }
85