1// Copyright 2009-2021 Intel Corporation
2// SPDX-License-Identifier: Apache-2.0
3
4#pragma once
5
6#include "subdivpatch1.h"
7#include "grid_soa.h"
8#include "grid_soa_intersector1.h"
9#include "grid_soa_intersector_packet.h"
10#include "../common/ray.h"
11
12namespace embree
13{
14 namespace isa
15 {
16 template<typename T>
17 class SubdivPatch1Precalculations : public T
18 {
19 public:
20 __forceinline SubdivPatch1Precalculations (const Ray& ray, const void* ptr)
21 : T(ray,ptr) {}
22 };
23
24 template<int K, typename T>
25 class SubdivPatch1PrecalculationsK : public T
26 {
27 public:
28 __forceinline SubdivPatch1PrecalculationsK (const vbool<K>& valid, RayK<K>& ray)
29 : T(valid,ray) {}
30 };
31
32 class SubdivPatch1Intersector1
33 {
34 public:
35 typedef GridSOA Primitive;
36 typedef SubdivPatch1Precalculations<GridSOAIntersector1::Precalculations> Precalculations;
37
38 static __forceinline bool processLazyNode(Precalculations& pre, IntersectContext* context, const Primitive* prim, size_t& lazy_node)
39 {
40 lazy_node = prim->root(t: 0);
41 pre.grid = (Primitive*)prim;
42 return false;
43 }
44
45 /*! Intersect a ray with the primitive. */
46 template<int N, bool robust>
47 static __forceinline void intersect(const Accel::Intersectors* This, Precalculations& pre, RayHit& ray, IntersectContext* context, const Primitive* prim, size_t ty, const TravRay<N,robust> &tray, size_t& lazy_node)
48 {
49 if (likely(ty == 0)) GridSOAIntersector1::intersect(pre,ray,context,prim,lazy_node);
50 else processLazyNode(pre,context,prim,lazy_node);
51 }
52
53 template<int N, bool robust>
54 static __forceinline void intersect(const Accel::Intersectors* This, Precalculations& pre, RayHit& ray, IntersectContext* context, size_t ty0, const Primitive* prim, size_t ty, const TravRay<N,robust> &tray, size_t& lazy_node) {
55 intersect(This,pre,ray,context,prim,ty,tray,lazy_node);
56 }
57
58 /*! Test if the ray is occluded by the primitive */
59 template<int N, bool robust>
60 static __forceinline bool occluded(const Accel::Intersectors* This, Precalculations& pre, Ray& ray, IntersectContext* context, const Primitive* prim, size_t ty, const TravRay<N,robust> &tray, size_t& lazy_node)
61 {
62 if (likely(ty == 0)) return GridSOAIntersector1::occluded(pre,ray,context,prim,lazy_node);
63 else return processLazyNode(pre,context,prim,lazy_node);
64 }
65
66 template<int N, bool robust>
67 static __forceinline bool occluded(const Accel::Intersectors* This, Precalculations& pre, Ray& ray, IntersectContext* context, size_t ty0, const Primitive* prim, size_t ty, const TravRay<N,robust> &tray, size_t& lazy_node) {
68 return occluded(This,pre,ray,context,prim,ty,tray,lazy_node);
69 }
70
71 template<int N>
72 static __forceinline bool pointQuery(const Accel::Intersectors* This, PointQuery* query, PointQueryContext* context, const Primitive* prim, size_t ty, const TravPointQuery<N> &tquery, size_t& lazy_node)
73 {
74 // TODO: PointQuery implement
75 assert(false && "not implemented");
76 return false;
77 }
78
79 template<int N>
80 static __forceinline bool pointQuery(const Accel::Intersectors* This, PointQuery* query, PointQueryContext* context, size_t ty0, const Primitive* prim, size_t ty, const TravPointQuery<N> &tquery, size_t& lazy_node) {
81 return pointQuery(This,query,context,prim,ty,tquery,lazy_node);
82 }
83 };
84
85 class SubdivPatch1MBIntersector1
86 {
87 public:
88 typedef SubdivPatch1 Primitive;
89 typedef GridSOAMBIntersector1::Precalculations Precalculations;
90
91 static __forceinline bool processLazyNode(Precalculations& pre, Ray& ray, IntersectContext* context, const Primitive* prim_i, size_t& lazy_node)
92 {
93 Primitive* prim = (Primitive*) prim_i;
94 GridSOA* grid = nullptr;
95 grid = (GridSOA*) prim->root_ref.get();
96 pre.itime = getTimeSegment(time: ray.time(), numTimeSegments: float(grid->time_steps-1), ftime&: pre.ftime);
97 lazy_node = grid->root(t: pre.itime);
98 pre.grid = grid;
99 return false;
100 }
101
102 /*! Intersect a ray with the primitive. */
103 template<int N, bool robust>
104 static __forceinline void intersect(const Accel::Intersectors* This, Precalculations& pre, RayHit& ray, IntersectContext* context, const Primitive* prim, size_t ty, const TravRay<N,robust> &tray, size_t& lazy_node)
105 {
106 if (likely(ty == 0)) GridSOAMBIntersector1::intersect(pre,ray,context,prim,lazy_node);
107 else processLazyNode(pre,ray,context,prim_i: prim,lazy_node);
108 }
109
110 template<int N, bool robust>
111 static __forceinline void intersect(const Accel::Intersectors* This, Precalculations& pre, RayHit& ray, IntersectContext* context, size_t ty0, const Primitive* prim, size_t ty, const TravRay<N,robust> &tray, size_t& lazy_node) {
112 intersect(This,pre,ray,context,prim,ty,tray,lazy_node);
113 }
114
115 /*! Test if the ray is occluded by the primitive */
116 template<int N, bool robust>
117 static __forceinline bool occluded(const Accel::Intersectors* This, Precalculations& pre, Ray& ray, IntersectContext* context, const Primitive* prim, size_t ty, const TravRay<N,robust> &tray, size_t& lazy_node)
118 {
119 if (likely(ty == 0)) return GridSOAMBIntersector1::occluded(pre,ray,context,prim,lazy_node);
120 else return processLazyNode(pre,ray,context,prim_i: prim,lazy_node);
121 }
122
123 template<int N, bool robust>
124 static __forceinline bool occluded(const Accel::Intersectors* This, Precalculations& pre, Ray& ray, IntersectContext* context, size_t ty0, const Primitive* prim, size_t ty, const TravRay<N,robust> &tray, size_t& lazy_node) {
125 return occluded(This,pre,ray,context,prim,ty,tray,lazy_node);
126 }
127
128 template<int N>
129 static __forceinline bool pointQuery(const Accel::Intersectors* This, PointQuery* query, PointQueryContext* context, const Primitive* prim, size_t ty, const TravPointQuery<N> &tquery, size_t& lazy_node)
130 {
131 // TODO: PointQuery implement
132 assert(false && "not implemented");
133 return false;
134 }
135
136 template<int N, bool robust>
137 static __forceinline bool pointQuery(const Accel::Intersectors* This, PointQuery* query, PointQueryContext* context, size_t ty0, const Primitive* prim, size_t ty, const TravPointQuery<N> &tquery, size_t& lazy_node) {
138 return pointQuery(This,query,context,prim,ty,tquery,lazy_node);
139 }
140 };
141
142 template <int K>
143 struct SubdivPatch1IntersectorK
144 {
145 typedef GridSOA Primitive;
146 typedef SubdivPatch1PrecalculationsK<K,typename GridSOAIntersectorK<K>::Precalculations> Precalculations;
147
148 static __forceinline bool processLazyNode(Precalculations& pre, IntersectContext* context, const Primitive* prim, size_t& lazy_node)
149 {
150 lazy_node = prim->root(t: 0);
151 pre.grid = (Primitive*)prim;
152 return false;
153 }
154
155 template<bool robust>
156 static __forceinline void intersect(const vbool<K>& valid, const Accel::Intersectors* This, Precalculations& pre, RayHitK<K>& ray, IntersectContext* context, const Primitive* prim, size_t ty, const TravRayK<K, robust> &tray, size_t& lazy_node)
157 {
158 if (likely(ty == 0)) GridSOAIntersectorK<K>::intersect(valid,pre,ray,context,prim,lazy_node);
159 else processLazyNode(pre,context,prim,lazy_node);
160 }
161
162 template<bool robust>
163 static __forceinline vbool<K> occluded(const vbool<K>& valid, const Accel::Intersectors* This, Precalculations& pre, RayK<K>& ray, IntersectContext* context, const Primitive* prim, size_t ty, const TravRayK<K, robust> &tray, size_t& lazy_node)
164 {
165 if (likely(ty == 0)) return GridSOAIntersectorK<K>::occluded(valid,pre,ray,context,prim,lazy_node);
166 else return processLazyNode(pre,context,prim,lazy_node);
167 }
168
169 template<int N, bool robust>
170 static __forceinline void intersect(const Accel::Intersectors* This, Precalculations& pre, RayHitK<K>& ray, size_t k, IntersectContext* context, const Primitive* prim, size_t ty, const TravRay<N,robust> &tray, size_t& lazy_node)
171 {
172 if (likely(ty == 0)) GridSOAIntersectorK<K>::intersect(pre,ray,k,context,prim,lazy_node);
173 else processLazyNode(pre,context,prim,lazy_node);
174 }
175
176 template<int N, bool robust>
177 static __forceinline bool occluded(const Accel::Intersectors* This, Precalculations& pre, RayK<K>& ray, size_t k, IntersectContext* context, const Primitive* prim, size_t ty, const TravRay<N,robust> &tray, size_t& lazy_node)
178 {
179 if (likely(ty == 0)) return GridSOAIntersectorK<K>::occluded(pre,ray,k,context,prim,lazy_node);
180 else return processLazyNode(pre,context,prim,lazy_node);
181 }
182 };
183
184 typedef SubdivPatch1IntersectorK<4> SubdivPatch1Intersector4;
185 typedef SubdivPatch1IntersectorK<8> SubdivPatch1Intersector8;
186 typedef SubdivPatch1IntersectorK<16> SubdivPatch1Intersector16;
187
188 template <int K>
189 struct SubdivPatch1MBIntersectorK
190 {
191 typedef SubdivPatch1 Primitive;
192 //typedef GridSOAMBIntersectorK<K>::Precalculations Precalculations;
193 typedef SubdivPatch1PrecalculationsK<K,typename GridSOAMBIntersectorK<K>::Precalculations> Precalculations;
194
195 static __forceinline bool processLazyNode(Precalculations& pre, IntersectContext* context, const Primitive* prim_i, size_t& lazy_node)
196 {
197 Primitive* prim = (Primitive*) prim_i;
198 GridSOA* grid = (GridSOA*) prim->root_ref.get();
199 lazy_node = grid->troot;
200 pre.grid = grid;
201 return false;
202 }
203
204 template<bool robust>
205 static __forceinline void intersect(const vbool<K>& valid, const Accel::Intersectors* This, Precalculations& pre, RayHitK<K>& ray, IntersectContext* context, const Primitive* prim, size_t ty, const TravRayK<K, robust> &tray, size_t& lazy_node)
206 {
207 if (likely(ty == 0)) GridSOAMBIntersectorK<K>::intersect(valid,pre,ray,context,prim,lazy_node);
208 else processLazyNode(pre,context,prim_i: prim,lazy_node);
209 }
210
211 template<bool robust>
212 static __forceinline vbool<K> occluded(const vbool<K>& valid, const Accel::Intersectors* This, Precalculations& pre, RayK<K>& ray, IntersectContext* context, const Primitive* prim, size_t ty, const TravRayK<K, robust> &tray, size_t& lazy_node)
213 {
214 if (likely(ty == 0)) return GridSOAMBIntersectorK<K>::occluded(valid,pre,ray,context,prim,lazy_node);
215 else return processLazyNode(pre,context,prim_i: prim,lazy_node);
216 }
217
218 template<int N, bool robust>
219 static __forceinline void intersect(const Accel::Intersectors* This, Precalculations& pre, RayHitK<K>& ray, size_t k, IntersectContext* context, const Primitive* prim, size_t ty, const TravRay<N,robust> &tray, size_t& lazy_node)
220 {
221 if (likely(ty == 0)) GridSOAMBIntersectorK<K>::intersect(pre,ray,k,context,prim,lazy_node);
222 else processLazyNode(pre,context,prim_i: prim,lazy_node);
223 }
224
225 template<int N, bool robust>
226 static __forceinline bool occluded(const Accel::Intersectors* This, Precalculations& pre, RayK<K>& ray, size_t k, IntersectContext* context, const Primitive* prim, size_t ty, const TravRay<N,robust> &tray, size_t& lazy_node)
227 {
228 if (likely(ty == 0)) return GridSOAMBIntersectorK<K>::occluded(pre,ray,k,context,prim,lazy_node);
229 else return processLazyNode(pre,context,prim_i: prim,lazy_node);
230 }
231 };
232
233 typedef SubdivPatch1MBIntersectorK<4> SubdivPatch1MBIntersector4;
234 typedef SubdivPatch1MBIntersectorK<8> SubdivPatch1MBIntersector8;
235 typedef SubdivPatch1MBIntersectorK<16> SubdivPatch1MBIntersector16;
236 }
237}
238

source code of qtquick3d/src/3rdparty/embree/kernels/geometry/subdivpatch1_intersector.h