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
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
|
// Copyright 2009-2020 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#pragma once
#include "primitive.h"
namespace embree
{
template<int M>
struct PointMi
{
/* Virtual interface to query information about the line segment type */
struct Type : public PrimitiveType
{
const char* name() const;
size_t sizeActive(const char* This) const;
size_t sizeTotal(const char* This) const;
size_t getBytes(const char* This) const;
};
static Type type;
public:
/* primitive supports multiple time segments */
static const bool singleTimeSegment = false;
/* Returns maximum number of stored line segments */
static __forceinline size_t max_size()
{
return M;
}
/* Returns required number of primitive blocks for N line segments */
static __forceinline size_t blocks(size_t N)
{
return (N + max_size() - 1) / max_size();
}
/* Returns required number of bytes for N line segments */
static __forceinline size_t bytes(size_t N)
{
return blocks(N) * sizeof(PointMi);
}
public:
/* Default constructor */
__forceinline PointMi() {}
/* Construction from vertices and IDs */
__forceinline PointMi(const vuint<M>& geomIDs, const vuint<M>& primIDs, Geometry::GType gtype, uint32_t numPrimitives)
: gtype((unsigned char)gtype),
numPrimitives(numPrimitives),
sharedGeomID(geomIDs[0]),
primIDs(primIDs)
{
assert(all(vuint<M>(geomID()) == geomIDs));
}
/* Returns a mask that tells which line segments are valid */
__forceinline vbool<M> valid() const {
return vint<M>(step) < vint<M>(numPrimitives);
}
/* Returns a mask that tells which line segments are valid */
template<int Mx> __forceinline vbool<Mx> valid() const {
return vint<Mx>(step) < vint<Mx>(numPrimitives);
}
/* Returns if the specified line segment is valid */
__forceinline bool valid(const size_t i) const
{
assert(i < M);
return i < numPrimitives;
}
/* Returns the number of stored line segments */
__forceinline size_t size() const {
return numPrimitives;
}
__forceinline unsigned int geomID(unsigned int i = 0) const {
return sharedGeomID;
}
__forceinline vuint<M>& primID() {
return primIDs;
}
__forceinline const vuint<M>& primID() const {
return primIDs;
}
__forceinline unsigned int primID(const size_t i) const {
assert(i < M);
return primIDs[i];
}
/* gather the line segments */
__forceinline void gather(Vec4vf<M>& p0, const Points* geom) const;
__forceinline void gather(Vec4vf<M>& p0, Vec3vf<M>& n0, const Points* geom) const;
__forceinline void gatheri(Vec4vf<M>& p0, const Points* geom, const int itime) const;
__forceinline void gatheri(Vec4vf<M>& p0, Vec3vf<M>& n0, const Points* geom, const int itime) const;
__forceinline void gather(Vec4vf<M>& p0, const Points* geom, float time) const;
__forceinline void gather(Vec4vf<M>& p0, Vec3vf<M>& n0, const Points* geom, float time) const;
/* Calculate the bounds of the line segments */
__forceinline const BBox3fa bounds(const Scene* scene, size_t itime = 0) const
{
BBox3fa bounds = empty;
for (size_t i = 0; i < M && valid(i); i++) {
const Points* geom = scene->get<Points>(geomID(i));
bounds.extend(geom->bounds(primID(i),itime));
}
return bounds;
}
/* Calculate the linear bounds of the primitive */
__forceinline LBBox3fa linearBounds(const Scene* scene, size_t itime) {
return LBBox3fa(bounds(scene, itime + 0), bounds(scene, itime + 1));
}
__forceinline LBBox3fa linearBounds(const Scene* const scene, size_t itime, size_t numTimeSteps)
{
LBBox3fa allBounds = empty;
for (size_t i = 0; i < M && valid(i); i++) {
const Points* geom = scene->get<Points>(geomID(i));
allBounds.extend(geom->linearBounds(primID(i), itime, numTimeSteps));
}
return allBounds;
}
__forceinline LBBox3fa linearBounds(const Scene* const scene, const BBox1f time_range)
{
LBBox3fa allBounds = empty;
for (size_t i = 0; i < M && valid(i); i++) {
const Points* geom = scene->get<Points>(geomID((unsigned int)i));
allBounds.extend(geom->linearBounds(primID(i), time_range));
}
return allBounds;
}
/* Fill line segment from line segment list */
template<typename PrimRefT>
__forceinline void fill(const PrimRefT* prims, size_t& begin, size_t end, Scene* scene)
{
Geometry::GType gty = scene->get(prims[begin].geomID())->getType();
vuint<M> geomID, primID;
vuint<M> v0;
const PrimRefT* prim = &prims[begin];
int numPrimitives = 0;
for (size_t i = 0; i < M; i++) {
if (begin < end) {
geomID[i] = prim->geomID();
primID[i] = prim->primID();
begin++;
numPrimitives++;
} else {
assert(i);
if (i > 0) {
geomID[i] = geomID[i - 1];
primID[i] = primID[i - 1];
}
}
if (begin < end)
prim = &prims[begin]; // FIXME: remove this line
}
new (this) PointMi(geomID, primID, gty, numPrimitives); // FIXME: use non temporal store
}
template<typename BVH, typename Allocator>
__forceinline static typename BVH::NodeRef createLeaf(BVH* bvh,
const PrimRef* prims,
const range<size_t>& set,
const Allocator& alloc)
{
size_t start = set.begin();
size_t items = PointMi::blocks(set.size());
size_t numbytes = PointMi::bytes(set.size());
PointMi* accel = (PointMi*)alloc.malloc1(numbytes, M * sizeof(float));
for (size_t i = 0; i < items; i++) {
accel[i].fill(prims, start, set.end(), bvh->scene);
}
return bvh->encodeLeaf((char*)accel, items);
};
__forceinline LBBox3fa fillMB(const PrimRef* prims, size_t& begin, size_t end, Scene* scene, size_t itime)
{
fill(prims, begin, end, scene);
return linearBounds(scene, itime);
}
__forceinline LBBox3fa fillMB(
const PrimRefMB* prims, size_t& begin, size_t end, Scene* scene, const BBox1f time_range)
{
fill(prims, begin, end, scene);
return linearBounds(scene, time_range);
}
template<typename BVH, typename SetMB, typename Allocator>
__forceinline static typename BVH::NodeRecordMB4D createLeafMB(BVH* bvh, const SetMB& prims, const Allocator& alloc)
{
size_t start = prims.object_range.begin();
size_t end = prims.object_range.end();
size_t items = PointMi::blocks(prims.object_range.size());
size_t numbytes = PointMi::bytes(prims.object_range.size());
PointMi* accel = (PointMi*)alloc.malloc1(numbytes, M * sizeof(float));
const typename BVH::NodeRef node = bvh->encodeLeaf((char*)accel, items);
LBBox3fa bounds = empty;
for (size_t i = 0; i < items; i++)
bounds.extend(accel[i].fillMB(prims.prims->data(), start, end, bvh->scene, prims.time_range));
return typename BVH::NodeRecordMB4D(node, bounds, prims.time_range);
};
/*! output operator */
friend __forceinline embree_ostream operator<<(embree_ostream cout, const PointMi& line)
{
return cout << "Line" << M << "i {" << line.v0 << ", " << line.geomID() << ", " << line.primID() << "}";
}
public:
unsigned char gtype;
unsigned char numPrimitives;
unsigned int sharedGeomID;
private:
vuint<M> primIDs; // primitive ID
};
template<>
__forceinline void PointMi<4>::gather(Vec4vf4& p0, const Points* geom) const
{
const vfloat4 a0 = vfloat4::loadu(geom->vertexPtr(primID(0)));
const vfloat4 a1 = vfloat4::loadu(geom->vertexPtr(primID(1)));
const vfloat4 a2 = vfloat4::loadu(geom->vertexPtr(primID(2)));
const vfloat4 a3 = vfloat4::loadu(geom->vertexPtr(primID(3)));
transpose(a0, a1, a2, a3, p0.x, p0.y, p0.z, p0.w);
}
template<>
__forceinline void PointMi<4>::gather(Vec4vf4& p0, Vec3vf4& n0, const Points* geom) const
{
const vfloat4 a0 = vfloat4::loadu(geom->vertexPtr(primID(0)));
const vfloat4 a1 = vfloat4::loadu(geom->vertexPtr(primID(1)));
const vfloat4 a2 = vfloat4::loadu(geom->vertexPtr(primID(2)));
const vfloat4 a3 = vfloat4::loadu(geom->vertexPtr(primID(3)));
transpose(a0, a1, a2, a3, p0.x, p0.y, p0.z, p0.w);
const vfloat4 b0 = vfloat4(geom->normal(primID(0)));
const vfloat4 b1 = vfloat4(geom->normal(primID(1)));
const vfloat4 b2 = vfloat4(geom->normal(primID(2)));
const vfloat4 b3 = vfloat4(geom->normal(primID(3)));
transpose(b0, b1, b2, b3, n0.x, n0.y, n0.z);
}
template<>
__forceinline void PointMi<4>::gatheri(Vec4vf4& p0, const Points* geom, const int itime) const
{
const vfloat4 a0 = vfloat4::loadu(geom->vertexPtr(primID(0), itime));
const vfloat4 a1 = vfloat4::loadu(geom->vertexPtr(primID(1), itime));
const vfloat4 a2 = vfloat4::loadu(geom->vertexPtr(primID(2), itime));
const vfloat4 a3 = vfloat4::loadu(geom->vertexPtr(primID(3), itime));
transpose(a0, a1, a2, a3, p0.x, p0.y, p0.z, p0.w);
}
template<>
__forceinline void PointMi<4>::gatheri(Vec4vf4& p0, Vec3vf4& n0, const Points* geom, const int itime) const
{
const vfloat4 a0 = vfloat4::loadu(geom->vertexPtr(primID(0), itime));
const vfloat4 a1 = vfloat4::loadu(geom->vertexPtr(primID(1), itime));
const vfloat4 a2 = vfloat4::loadu(geom->vertexPtr(primID(2), itime));
const vfloat4 a3 = vfloat4::loadu(geom->vertexPtr(primID(3), itime));
transpose(a0, a1, a2, a3, p0.x, p0.y, p0.z, p0.w);
const vfloat4 b0 = vfloat4(geom->normal(primID(0), itime));
const vfloat4 b1 = vfloat4(geom->normal(primID(1), itime));
const vfloat4 b2 = vfloat4(geom->normal(primID(2), itime));
const vfloat4 b3 = vfloat4(geom->normal(primID(3), itime));
transpose(b0, b1, b2, b3, n0.x, n0.y, n0.z);
}
template<>
__forceinline void PointMi<4>::gather(Vec4vf4& p0, const Points* geom, float time) const
{
float ftime;
const int itime = geom->timeSegment(time, ftime);
Vec4vf4 a0; gatheri(a0, geom, itime);
Vec4vf4 b0; gatheri(b0, geom, itime + 1);
p0 = lerp(a0, b0, vfloat4(ftime));
}
template<>
__forceinline void PointMi<4>::gather(Vec4vf4& p0, Vec3vf4& n0, const Points* geom, float time) const
{
float ftime;
const int itime = geom->timeSegment(time, ftime);
Vec4vf4 a0, b0;
Vec3vf4 norm0, norm1;
gatheri(a0, norm0, geom, itime);
gatheri(b0, norm1, geom, itime + 1);
p0 = lerp(a0, b0, vfloat4(ftime));
n0 = lerp(norm0, norm1, vfloat4(ftime));
}
#if defined(__AVX__)
template<>
__forceinline void PointMi<8>::gather(Vec4vf8& p0, const Points* geom) const
{
const vfloat4 a0 = vfloat4::loadu(geom->vertexPtr(primID(0)));
const vfloat4 a1 = vfloat4::loadu(geom->vertexPtr(primID(1)));
const vfloat4 a2 = vfloat4::loadu(geom->vertexPtr(primID(2)));
const vfloat4 a3 = vfloat4::loadu(geom->vertexPtr(primID(3)));
const vfloat4 a4 = vfloat4::loadu(geom->vertexPtr(primID(4)));
const vfloat4 a5 = vfloat4::loadu(geom->vertexPtr(primID(5)));
const vfloat4 a6 = vfloat4::loadu(geom->vertexPtr(primID(6)));
const vfloat4 a7 = vfloat4::loadu(geom->vertexPtr(primID(7)));
transpose(a0, a1, a2, a3, a4, a5, a6, a7, p0.x, p0.y, p0.z, p0.w);
}
template<>
__forceinline void PointMi<8>::gather(Vec4vf8& p0, Vec3vf8& n0, const Points* geom) const
{
const vfloat4 a0 = vfloat4::loadu(geom->vertexPtr(primID(0)));
const vfloat4 a1 = vfloat4::loadu(geom->vertexPtr(primID(1)));
const vfloat4 a2 = vfloat4::loadu(geom->vertexPtr(primID(2)));
const vfloat4 a3 = vfloat4::loadu(geom->vertexPtr(primID(3)));
const vfloat4 a4 = vfloat4::loadu(geom->vertexPtr(primID(4)));
const vfloat4 a5 = vfloat4::loadu(geom->vertexPtr(primID(5)));
const vfloat4 a6 = vfloat4::loadu(geom->vertexPtr(primID(6)));
const vfloat4 a7 = vfloat4::loadu(geom->vertexPtr(primID(7)));
transpose(a0, a1, a2, a3, a4, a5, a6, a7, p0.x, p0.y, p0.z, p0.w);
const vfloat4 b0 = vfloat4(geom->normal(primID(0)));
const vfloat4 b1 = vfloat4(geom->normal(primID(1)));
const vfloat4 b2 = vfloat4(geom->normal(primID(2)));
const vfloat4 b3 = vfloat4(geom->normal(primID(3)));
const vfloat4 b4 = vfloat4(geom->normal(primID(4)));
const vfloat4 b5 = vfloat4(geom->normal(primID(5)));
const vfloat4 b6 = vfloat4(geom->normal(primID(6)));
const vfloat4 b7 = vfloat4(geom->normal(primID(7)));
transpose(b0, b1, b2, b3, b4, b5, b6, b7, n0.x, n0.y, n0.z);
}
template<>
__forceinline void PointMi<8>::gatheri(Vec4vf8& p0, const Points* geom, const int itime) const
{
const vfloat4 a0 = vfloat4::loadu(geom->vertexPtr(primID(0), itime));
const vfloat4 a1 = vfloat4::loadu(geom->vertexPtr(primID(1), itime));
const vfloat4 a2 = vfloat4::loadu(geom->vertexPtr(primID(2), itime));
const vfloat4 a3 = vfloat4::loadu(geom->vertexPtr(primID(3), itime));
const vfloat4 a4 = vfloat4::loadu(geom->vertexPtr(primID(4), itime));
const vfloat4 a5 = vfloat4::loadu(geom->vertexPtr(primID(5), itime));
const vfloat4 a6 = vfloat4::loadu(geom->vertexPtr(primID(6), itime));
const vfloat4 a7 = vfloat4::loadu(geom->vertexPtr(primID(7), itime));
transpose(a0, a1, a2, a3, a4, a5, a6, a7, p0.x, p0.y, p0.z, p0.w);
}
template<>
__forceinline void PointMi<8>::gatheri(Vec4vf8& p0, Vec3vf8& n0, const Points* geom, const int itime) const
{
const vfloat4 a0 = vfloat4::loadu(geom->vertexPtr(primID(0), itime));
const vfloat4 a1 = vfloat4::loadu(geom->vertexPtr(primID(1), itime));
const vfloat4 a2 = vfloat4::loadu(geom->vertexPtr(primID(2), itime));
const vfloat4 a3 = vfloat4::loadu(geom->vertexPtr(primID(3), itime));
const vfloat4 a4 = vfloat4::loadu(geom->vertexPtr(primID(4), itime));
const vfloat4 a5 = vfloat4::loadu(geom->vertexPtr(primID(5), itime));
const vfloat4 a6 = vfloat4::loadu(geom->vertexPtr(primID(6), itime));
const vfloat4 a7 = vfloat4::loadu(geom->vertexPtr(primID(7), itime));
transpose(a0, a1, a2, a3, a4, a5, a6, a7, p0.x, p0.y, p0.z, p0.w);
const vfloat4 b0 = vfloat4(geom->normal(primID(0), itime));
const vfloat4 b1 = vfloat4(geom->normal(primID(1), itime));
const vfloat4 b2 = vfloat4(geom->normal(primID(2), itime));
const vfloat4 b3 = vfloat4(geom->normal(primID(3), itime));
const vfloat4 b4 = vfloat4(geom->normal(primID(4), itime));
const vfloat4 b5 = vfloat4(geom->normal(primID(5), itime));
const vfloat4 b6 = vfloat4(geom->normal(primID(6), itime));
const vfloat4 b7 = vfloat4(geom->normal(primID(7), itime));
transpose(b0, b1, b2, b3, b4, b5, b6, b7, n0.x, n0.y, n0.z);
}
template<>
__forceinline void PointMi<8>::gather(Vec4vf8& p0, const Points* geom, float time) const
{
float ftime;
const int itime = geom->timeSegment(time, ftime);
Vec4vf8 a0;
gatheri(a0, geom, itime);
Vec4vf8 b0;
gatheri(b0, geom, itime + 1);
p0 = lerp(a0, b0, vfloat8(ftime));
}
template<>
__forceinline void PointMi<8>::gather(Vec4vf8& p0, Vec3vf8& n0, const Points* geom, float time) const
{
float ftime;
const int itime = geom->timeSegment(time, ftime);
Vec4vf8 a0, b0;
Vec3vf8 norm0, norm1;
gatheri(a0, norm0, geom, itime);
gatheri(b0, norm1, geom, itime + 1);
p0 = lerp(a0, b0, vfloat8(ftime));
n0 = lerp(norm0, norm1, vfloat8(ftime));
}
#endif
template<int M>
typename PointMi<M>::Type PointMi<M>::type;
typedef PointMi<4> Point4i;
typedef PointMi<8> Point8i;
} // namespace embree
|