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 | |
9 | namespace 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(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,prim.geomID(),prim.primID(),context); |
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(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,prim.geomID(),prim.primID(),context); |
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(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(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); |
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(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); |
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 | |