1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
|
// Copyright 2009-2020 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#include "acceln.h"
#include "ray.h"
#include "../../include/embree3/rtcore_ray.h"
#include "../../common/algorithms/parallel_for.h"
namespace embree
{
AccelN::AccelN()
: Accel(AccelData::TY_ACCELN), accels() {}
AccelN::~AccelN()
{
for (size_t i=0; i<accels.size(); i++)
delete accels[i];
}
void AccelN::accels_add(Accel* accel)
{
assert(accel);
accels.push_back(accel);
}
void AccelN::accels_init()
{
for (size_t i=0; i<accels.size(); i++)
delete accels[i];
accels.clear();
}
bool AccelN::pointQuery (Accel::Intersectors* This_in, PointQuery* query, PointQueryContext* context)
{
bool changed = false;
AccelN* This = (AccelN*)This_in->ptr;
for (size_t i=0; i<This->accels.size(); i++)
if (!This->accels[i]->isEmpty())
changed |= This->accels[i]->intersectors.pointQuery(query,context);
return changed;
}
void AccelN::intersect (Accel::Intersectors* This_in, RTCRayHit& ray, IntersectContext* context)
{
AccelN* This = (AccelN*)This_in->ptr;
for (size_t i=0; i<This->accels.size(); i++)
if (!This->accels[i]->isEmpty())
This->accels[i]->intersectors.intersect(ray,context);
}
void AccelN::intersect4 (const void* valid, Accel::Intersectors* This_in, RTCRayHit4& ray, IntersectContext* context)
{
AccelN* This = (AccelN*)This_in->ptr;
for (size_t i=0; i<This->accels.size(); i++)
if (!This->accels[i]->isEmpty())
This->accels[i]->intersectors.intersect4(valid,ray,context);
}
void AccelN::intersect8 (const void* valid, Accel::Intersectors* This_in, RTCRayHit8& ray, IntersectContext* context)
{
AccelN* This = (AccelN*)This_in->ptr;
for (size_t i=0; i<This->accels.size(); i++)
if (!This->accels[i]->isEmpty())
This->accels[i]->intersectors.intersect8(valid,ray,context);
}
void AccelN::intersect16 (const void* valid, Accel::Intersectors* This_in, RTCRayHit16& ray, IntersectContext* context)
{
AccelN* This = (AccelN*)This_in->ptr;
for (size_t i=0; i<This->accels.size(); i++)
if (!This->accels[i]->isEmpty())
This->accels[i]->intersectors.intersect16(valid,ray,context);
}
void AccelN::intersectN (Accel::Intersectors* This_in, RTCRayHitN** ray, const size_t N, IntersectContext* context)
{
AccelN* This = (AccelN*)This_in->ptr;
for (size_t i=0; i<This->accels.size(); i++)
if (!This->accels[i]->isEmpty())
This->accels[i]->intersectors.intersectN(ray,N,context);
}
void AccelN::occluded (Accel::Intersectors* This_in, RTCRay& ray, IntersectContext* context)
{
AccelN* This = (AccelN*)This_in->ptr;
for (size_t i=0; i<This->accels.size(); i++) {
if (This->accels[i]->isEmpty()) continue;
This->accels[i]->intersectors.occluded(ray,context);
if (ray.tfar < 0.0f) break;
}
}
void AccelN::occluded4 (const void* valid, Accel::Intersectors* This_in, RTCRay4& ray, IntersectContext* context)
{
AccelN* This = (AccelN*)This_in->ptr;
for (size_t i=0; i<This->accels.size(); i++) {
if (This->accels[i]->isEmpty()) continue;
This->accels[i]->intersectors.occluded4(valid,ray,context);
#if defined(__SSE2__)
vbool4 valid0 = asBool(((vint4*)valid)[0]);
vbool4 hit0 = ((vfloat4*)ray.tfar)[0] >= vfloat4(zero);
if (unlikely(none(valid0 & hit0))) break;
#endif
}
}
void AccelN::occluded8 (const void* valid, Accel::Intersectors* This_in, RTCRay8& ray, IntersectContext* context)
{
AccelN* This = (AccelN*)This_in->ptr;
for (size_t i=0; i<This->accels.size(); i++) {
if (This->accels[i]->isEmpty()) continue;
This->accels[i]->intersectors.occluded8(valid,ray,context);
#if defined(__SSE2__) // FIXME: use higher ISA
vbool4 valid0 = asBool(((vint4*)valid)[0]);
vbool4 hit0 = ((vfloat4*)ray.tfar)[0] >= vfloat4(zero);
vbool4 valid1 = asBool(((vint4*)valid)[1]);
vbool4 hit1 = ((vfloat4*)ray.tfar)[1] >= vfloat4(zero);
if (unlikely((none((valid0 & hit0) | (valid1 & hit1))))) break;
#endif
}
}
void AccelN::occluded16 (const void* valid, Accel::Intersectors* This_in, RTCRay16& ray, IntersectContext* context)
{
AccelN* This = (AccelN*)This_in->ptr;
for (size_t i=0; i<This->accels.size(); i++) {
if (This->accels[i]->isEmpty()) continue;
This->accels[i]->intersectors.occluded16(valid,ray,context);
#if defined(__SSE2__) // FIXME: use higher ISA
vbool4 valid0 = asBool(((vint4*)valid)[0]);
vbool4 hit0 = ((vfloat4*)ray.tfar)[0] >= vfloat4(zero);
vbool4 valid1 = asBool(((vint4*)valid)[1]);
vbool4 hit1 = ((vfloat4*)ray.tfar)[1] >= vfloat4(zero);
vbool4 valid2 = asBool(((vint4*)valid)[2]);
vbool4 hit2 = ((vfloat4*)ray.tfar)[2] >= vfloat4(zero);
vbool4 valid3 = asBool(((vint4*)valid)[3]);
vbool4 hit3 = ((vfloat4*)ray.tfar)[3] >= vfloat4(zero);
if (unlikely((none((valid0 & hit0) | (valid1 & hit1) | (valid2 & hit2) | (valid3 & hit3))))) break;
#endif
}
}
void AccelN::occludedN (Accel::Intersectors* This_in, RTCRayN** ray, const size_t N, IntersectContext* context)
{
AccelN* This = (AccelN*)This_in->ptr;
size_t M = N;
for (size_t i=0; i<This->accels.size(); i++)
if (!This->accels[i]->isEmpty())
This->accels[i]->intersectors.occludedN(ray,M,context);
}
void AccelN::accels_print(size_t ident)
{
for (size_t i=0; i<accels.size(); i++)
{
for (size_t j=0; j<ident; j++) std::cout << " ";
std::cout << "accels[" << i << "]" << std::endl;
accels[i]->intersectors.print(ident+2);
}
}
void AccelN::accels_immutable()
{
for (size_t i=0; i<accels.size(); i++)
accels[i]->immutable();
}
void AccelN::accels_build ()
{
/* reduce memory consumption */
accels.shrink_to_fit();
/* build all acceleration structures in parallel */
parallel_for (accels.size(), [&] (size_t i) {
accels[i]->build();
});
/* create list of non-empty acceleration structures */
bool valid1 = true;
bool valid4 = true;
bool valid8 = true;
bool valid16 = true;
for (size_t i=0; i<accels.size(); i++) {
valid1 &= (bool) accels[i]->intersectors.intersector1;
valid4 &= (bool) accels[i]->intersectors.intersector4;
valid8 &= (bool) accels[i]->intersectors.intersector8;
valid16 &= (bool) accels[i]->intersectors.intersector16;
}
if (accels.size() == 1) {
type = accels[0]->type; // FIXME: should just assign entire Accel
bounds = accels[0]->bounds;
intersectors = accels[0]->intersectors;
}
else
{
type = AccelData::TY_ACCELN;
intersectors.ptr = this;
intersectors.intersector1 = Intersector1(&intersect,&occluded,&pointQuery,valid1 ? "AccelN::intersector1": nullptr);
intersectors.intersector4 = Intersector4(&intersect4,&occluded4,valid4 ? "AccelN::intersector4" : nullptr);
intersectors.intersector8 = Intersector8(&intersect8,&occluded8,valid8 ? "AccelN::intersector8" : nullptr);
intersectors.intersector16 = Intersector16(&intersect16,&occluded16,valid16 ? "AccelN::intersector16": nullptr);
intersectors.intersectorN = IntersectorN(&intersectN,&occludedN,"AccelN::intersectorN");
/*! calculate bounds */
bounds = empty;
for (size_t i=0; i<accels.size(); i++)
bounds.extend(accels[i]->bounds);
}
}
void AccelN::accels_select(bool filter)
{
for (size_t i=0; i<accels.size(); i++)
accels[i]->intersectors.select(filter);
}
void AccelN::accels_deleteGeometry(size_t geomID)
{
for (size_t i=0; i<accels.size(); i++)
accels[i]->deleteGeometry(geomID);
}
void AccelN::accels_clear()
{
for (size_t i=0; i<accels.size(); i++) {
accels[i]->clear();
}
}
}
|
