1// Copyright 2009-2021 Intel Corporation
2// SPDX-License-Identifier: Apache-2.0
3
4#pragma once
5
6#include "object.h"
7#include "../common/ray.h"
8
9namespace embree
10{
11 namespace isa
12 {
13 template<bool mblur>
14 struct ObjectIntersector1
15 {
16 typedef Object Primitive;
17
18 static const bool validIntersectorK = false;
19
20 struct Precalculations {
21 __forceinline Precalculations() {}
22 __forceinline Precalculations (const Ray& ray, const void *ptr) {}
23 };
24
25 static __forceinline void intersect(const Precalculations& pre, RayHit& ray, IntersectContext* context, const Primitive& prim)
26 {
27 AccelSet* accel = (AccelSet*) context->scene->get(i: prim.geomID());
28
29 /* perform ray mask test */
30#if defined(EMBREE_RAY_MASK)
31 if ((ray.mask & accel->mask) == 0)
32 return;
33#endif
34
35 accel->intersect(ray,geomID: prim.geomID(),primID: prim.primID(),context,report: reportIntersection1);
36 }
37
38 static __forceinline bool occluded(const Precalculations& pre, Ray& ray, IntersectContext* context, const Primitive& prim)
39 {
40 AccelSet* accel = (AccelSet*) context->scene->get(i: prim.geomID());
41 /* perform ray mask test */
42#if defined(EMBREE_RAY_MASK)
43 if ((ray.mask & accel->mask) == 0)
44 return false;
45#endif
46
47 accel->occluded(ray,geomID: prim.geomID(),primID: prim.primID(),context,report: &reportOcclusion1);
48 return ray.tfar < 0.0f;
49 }
50
51 static __forceinline bool pointQuery(PointQuery* query, PointQueryContext* context, const Primitive& prim)
52 {
53 AccelSet* accel = (AccelSet*)context->scene->get(i: prim.geomID());
54 context->geomID = prim.geomID();
55 context->primID = prim.primID();
56 return accel->pointQuery(query, context);
57 }
58
59 template<int K>
60 static __forceinline void intersectK(const vbool<K>& valid, /* PrecalculationsK& pre, */ RayHitK<K>& ray, IntersectContext* context, const Primitive* prim, size_t num, size_t& lazy_node)
61 {
62 assert(false);
63 }
64
65 template<int K>
66 static __forceinline vbool<K> occludedK(const vbool<K>& valid, /* PrecalculationsK& pre, */ RayK<K>& ray, IntersectContext* context, const Primitive* prim, size_t num, size_t& lazy_node)
67 {
68 assert(false);
69 return valid;
70 }
71 };
72
73 template<int K, bool mblur>
74 struct ObjectIntersectorK
75 {
76 typedef Object Primitive;
77
78 struct Precalculations {
79 __forceinline Precalculations (const vbool<K>& valid, const RayK<K>& ray) {}
80 };
81
82 static __forceinline void intersect(const vbool<K>& valid_i, const Precalculations& pre, RayHitK<K>& ray, IntersectContext* context, const Primitive& prim)
83 {
84 vbool<K> valid = valid_i;
85 AccelSet* accel = (AccelSet*) context->scene->get(i: prim.geomID());
86
87 /* perform ray mask test */
88#if defined(EMBREE_RAY_MASK)
89 valid &= (ray.mask & accel->mask) != 0;
90 if (none(valid)) return;
91#endif
92 accel->intersect(valid,ray,prim.geomID(),prim.primID(),context,&reportIntersection1);
93 }
94
95 static __forceinline vbool<K> occluded(const vbool<K>& valid_i, const Precalculations& pre, RayK<K>& ray, IntersectContext* context, const Primitive& prim)
96 {
97 vbool<K> valid = valid_i;
98 AccelSet* accel = (AccelSet*) context->scene->get(i: prim.geomID());
99
100 /* perform ray mask test */
101#if defined(EMBREE_RAY_MASK)
102 valid &= (ray.mask & accel->mask) != 0;
103 if (none(valid)) return false;
104#endif
105 accel->occluded(valid,ray,prim.geomID(),prim.primID(),context,&reportOcclusion1);
106 return ray.tfar < 0.0f;
107 }
108
109 static __forceinline void intersect(Precalculations& pre, RayHitK<K>& ray, size_t k, IntersectContext* context, const Primitive& prim) {
110 intersect(vbool<K>(1<<int(k)),pre,ray,context,prim);
111 }
112
113 static __forceinline bool occluded(Precalculations& pre, RayK<K>& ray, size_t k, IntersectContext* context, const Primitive& prim) {
114 occluded(vbool<K>(1<<int(k)),pre,ray,context,prim);
115 return ray.tfar[k] < 0.0f;
116 }
117 };
118
119 typedef ObjectIntersectorK<4,false> ObjectIntersector4;
120 typedef ObjectIntersectorK<8,false> ObjectIntersector8;
121 typedef ObjectIntersectorK<16,false> ObjectIntersector16;
122
123 typedef ObjectIntersectorK<4,true> ObjectIntersector4MB;
124 typedef ObjectIntersectorK<8,true> ObjectIntersector8MB;
125 typedef ObjectIntersectorK<16,true> ObjectIntersector16MB;
126 }
127}
128

source code of qtquick3d/src/3rdparty/embree/kernels/geometry/object_intersector.h