1 | /* |
---|
2 | Bullet Continuous Collision Detection and Physics Library |
---|
3 | Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ |
---|
4 | |
---|
5 | This software is provided 'as-is', without any express or implied warranty. |
---|
6 | In no event will the authors be held liable for any damages arising from the use of this software. |
---|
7 | Permission is granted to anyone to use this software for any purpose, |
---|
8 | including commercial applications, and to alter it and redistribute it freely, |
---|
9 | subject to the following restrictions: |
---|
10 | |
---|
11 | 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. |
---|
12 | 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. |
---|
13 | 3. This notice may not be removed or altered from any source distribution. |
---|
14 | */ |
---|
15 | ///btDbvt implementation by Nathanael Presson |
---|
16 | |
---|
17 | #include "btDbvt.h" |
---|
18 | |
---|
19 | // |
---|
20 | typedef btAlignedObjectArray<btDbvtNode*> tNodeArray; |
---|
21 | typedef btAlignedObjectArray<const btDbvtNode*> tConstNodeArray; |
---|
22 | |
---|
23 | // |
---|
24 | struct btDbvtNodeEnumerator : btDbvt::ICollide |
---|
25 | { |
---|
26 | tConstNodeArray nodes; |
---|
27 | void Process(const btDbvtNode* n) { nodes.push_back(n); } |
---|
28 | }; |
---|
29 | |
---|
30 | // |
---|
31 | static DBVT_INLINE int indexof(const btDbvtNode* node) |
---|
32 | { |
---|
33 | return(node->parent->childs[1]==node); |
---|
34 | } |
---|
35 | |
---|
36 | // |
---|
37 | static DBVT_INLINE btDbvtVolume merge( const btDbvtVolume& a, |
---|
38 | const btDbvtVolume& b) |
---|
39 | { |
---|
40 | #if (DBVT_MERGE_IMPL==DBVT_IMPL_SSE) |
---|
41 | ATTRIBUTE_ALIGNED16(char locals[sizeof(btDbvtAabbMm)]); |
---|
42 | btDbvtVolume& res=*(btDbvtVolume*)locals; |
---|
43 | #else |
---|
44 | btDbvtVolume res; |
---|
45 | #endif |
---|
46 | Merge(a,b,res); |
---|
47 | return(res); |
---|
48 | } |
---|
49 | |
---|
50 | // volume+edge lengths |
---|
51 | static DBVT_INLINE btScalar size(const btDbvtVolume& a) |
---|
52 | { |
---|
53 | const btVector3 edges=a.Lengths(); |
---|
54 | return( edges.x()*edges.y()*edges.z()+ |
---|
55 | edges.x()+edges.y()+edges.z()); |
---|
56 | } |
---|
57 | |
---|
58 | // |
---|
59 | static void getmaxdepth(const btDbvtNode* node,int depth,int& maxdepth) |
---|
60 | { |
---|
61 | if(node->isinternal()) |
---|
62 | { |
---|
63 | getmaxdepth(node->childs[0],depth+1,maxdepth); |
---|
64 | getmaxdepth(node->childs[0],depth+1,maxdepth); |
---|
65 | } else maxdepth=btMax(maxdepth,depth); |
---|
66 | } |
---|
67 | |
---|
68 | // |
---|
69 | static DBVT_INLINE void deletenode( btDbvt* pdbvt, |
---|
70 | btDbvtNode* node) |
---|
71 | { |
---|
72 | btAlignedFree(pdbvt->m_free); |
---|
73 | pdbvt->m_free=node; |
---|
74 | } |
---|
75 | |
---|
76 | // |
---|
77 | static void recursedeletenode( btDbvt* pdbvt, |
---|
78 | btDbvtNode* node) |
---|
79 | { |
---|
80 | if(!node->isleaf()) |
---|
81 | { |
---|
82 | recursedeletenode(pdbvt,node->childs[0]); |
---|
83 | recursedeletenode(pdbvt,node->childs[1]); |
---|
84 | } |
---|
85 | if(node==pdbvt->m_root) pdbvt->m_root=0; |
---|
86 | deletenode(pdbvt,node); |
---|
87 | } |
---|
88 | |
---|
89 | // |
---|
90 | static DBVT_INLINE btDbvtNode* createnode( btDbvt* pdbvt, |
---|
91 | btDbvtNode* parent, |
---|
92 | void* data) |
---|
93 | { |
---|
94 | btDbvtNode* node; |
---|
95 | if(pdbvt->m_free) |
---|
96 | { node=pdbvt->m_free;pdbvt->m_free=0; } |
---|
97 | else |
---|
98 | { node=new(btAlignedAlloc(sizeof(btDbvtNode),16)) btDbvtNode(); } |
---|
99 | node->parent = parent; |
---|
100 | node->data = data; |
---|
101 | node->childs[1] = 0; |
---|
102 | return(node); |
---|
103 | } |
---|
104 | |
---|
105 | // |
---|
106 | static DBVT_INLINE btDbvtNode* createnode( btDbvt* pdbvt, |
---|
107 | btDbvtNode* parent, |
---|
108 | const btDbvtVolume& volume, |
---|
109 | void* data) |
---|
110 | { |
---|
111 | btDbvtNode* node=createnode(pdbvt,parent,data); |
---|
112 | node->volume=volume; |
---|
113 | return(node); |
---|
114 | } |
---|
115 | |
---|
116 | // |
---|
117 | static DBVT_INLINE btDbvtNode* createnode( btDbvt* pdbvt, |
---|
118 | btDbvtNode* parent, |
---|
119 | const btDbvtVolume& volume0, |
---|
120 | const btDbvtVolume& volume1, |
---|
121 | void* data) |
---|
122 | { |
---|
123 | btDbvtNode* node=createnode(pdbvt,parent,data); |
---|
124 | Merge(volume0,volume1,node->volume); |
---|
125 | return(node); |
---|
126 | } |
---|
127 | |
---|
128 | // |
---|
129 | static void insertleaf( btDbvt* pdbvt, |
---|
130 | btDbvtNode* root, |
---|
131 | btDbvtNode* leaf) |
---|
132 | { |
---|
133 | if(!pdbvt->m_root) |
---|
134 | { |
---|
135 | pdbvt->m_root = leaf; |
---|
136 | leaf->parent = 0; |
---|
137 | } |
---|
138 | else |
---|
139 | { |
---|
140 | if(!root->isleaf()) |
---|
141 | { |
---|
142 | do { |
---|
143 | root=root->childs[Select( leaf->volume, |
---|
144 | root->childs[0]->volume, |
---|
145 | root->childs[1]->volume)]; |
---|
146 | } while(!root->isleaf()); |
---|
147 | } |
---|
148 | btDbvtNode* prev=root->parent; |
---|
149 | btDbvtNode* node=createnode(pdbvt,prev,leaf->volume,root->volume,0); |
---|
150 | if(prev) |
---|
151 | { |
---|
152 | prev->childs[indexof(root)] = node; |
---|
153 | node->childs[0] = root;root->parent=node; |
---|
154 | node->childs[1] = leaf;leaf->parent=node; |
---|
155 | do { |
---|
156 | if(!prev->volume.Contain(node->volume)) |
---|
157 | Merge(prev->childs[0]->volume,prev->childs[1]->volume,prev->volume); |
---|
158 | else |
---|
159 | break; |
---|
160 | node=prev; |
---|
161 | } while(0!=(prev=node->parent)); |
---|
162 | } |
---|
163 | else |
---|
164 | { |
---|
165 | node->childs[0] = root;root->parent=node; |
---|
166 | node->childs[1] = leaf;leaf->parent=node; |
---|
167 | pdbvt->m_root = node; |
---|
168 | } |
---|
169 | } |
---|
170 | } |
---|
171 | |
---|
172 | // |
---|
173 | static btDbvtNode* removeleaf( btDbvt* pdbvt, |
---|
174 | btDbvtNode* leaf) |
---|
175 | { |
---|
176 | if(leaf==pdbvt->m_root) |
---|
177 | { |
---|
178 | pdbvt->m_root=0; |
---|
179 | return(0); |
---|
180 | } |
---|
181 | else |
---|
182 | { |
---|
183 | btDbvtNode* parent=leaf->parent; |
---|
184 | btDbvtNode* prev=parent->parent; |
---|
185 | btDbvtNode* sibling=parent->childs[1-indexof(leaf)]; |
---|
186 | if(prev) |
---|
187 | { |
---|
188 | prev->childs[indexof(parent)]=sibling; |
---|
189 | sibling->parent=prev; |
---|
190 | deletenode(pdbvt,parent); |
---|
191 | while(prev) |
---|
192 | { |
---|
193 | const btDbvtVolume pb=prev->volume; |
---|
194 | Merge(prev->childs[0]->volume,prev->childs[1]->volume,prev->volume); |
---|
195 | if(NotEqual(pb,prev->volume)) |
---|
196 | { |
---|
197 | prev=prev->parent; |
---|
198 | } else break; |
---|
199 | } |
---|
200 | return(prev?prev:pdbvt->m_root); |
---|
201 | } |
---|
202 | else |
---|
203 | { |
---|
204 | pdbvt->m_root=sibling; |
---|
205 | sibling->parent=0; |
---|
206 | deletenode(pdbvt,parent); |
---|
207 | return(pdbvt->m_root); |
---|
208 | } |
---|
209 | } |
---|
210 | } |
---|
211 | |
---|
212 | // |
---|
213 | static void fetchleaves(btDbvt* pdbvt, |
---|
214 | btDbvtNode* root, |
---|
215 | tNodeArray& leaves, |
---|
216 | int depth=-1) |
---|
217 | { |
---|
218 | if(root->isinternal()&&depth) |
---|
219 | { |
---|
220 | fetchleaves(pdbvt,root->childs[0],leaves,depth-1); |
---|
221 | fetchleaves(pdbvt,root->childs[1],leaves,depth-1); |
---|
222 | deletenode(pdbvt,root); |
---|
223 | } |
---|
224 | else |
---|
225 | { |
---|
226 | leaves.push_back(root); |
---|
227 | } |
---|
228 | } |
---|
229 | |
---|
230 | // |
---|
231 | static void split( const tNodeArray& leaves, |
---|
232 | tNodeArray& left, |
---|
233 | tNodeArray& right, |
---|
234 | const btVector3& org, |
---|
235 | const btVector3& axis) |
---|
236 | { |
---|
237 | left.resize(0); |
---|
238 | right.resize(0); |
---|
239 | for(int i=0,ni=leaves.size();i<ni;++i) |
---|
240 | { |
---|
241 | if(dot(axis,leaves[i]->volume.Center()-org)<0) |
---|
242 | left.push_back(leaves[i]); |
---|
243 | else |
---|
244 | right.push_back(leaves[i]); |
---|
245 | } |
---|
246 | } |
---|
247 | |
---|
248 | // |
---|
249 | static btDbvtVolume bounds( const tNodeArray& leaves) |
---|
250 | { |
---|
251 | #if DBVT_MERGE_IMPL==DBVT_IMPL_SSE |
---|
252 | ATTRIBUTE_ALIGNED16(char locals[sizeof(btDbvtVolume)]); |
---|
253 | btDbvtVolume& volume=*(btDbvtVolume*)locals; |
---|
254 | volume=leaves[0]->volume; |
---|
255 | #else |
---|
256 | btDbvtVolume volume=leaves[0]->volume; |
---|
257 | #endif |
---|
258 | for(int i=1,ni=leaves.size();i<ni;++i) |
---|
259 | { |
---|
260 | Merge(volume,leaves[i]->volume,volume); |
---|
261 | } |
---|
262 | return(volume); |
---|
263 | } |
---|
264 | |
---|
265 | // |
---|
266 | static void bottomup( btDbvt* pdbvt, |
---|
267 | tNodeArray& leaves) |
---|
268 | { |
---|
269 | while(leaves.size()>1) |
---|
270 | { |
---|
271 | btScalar minsize=SIMD_INFINITY; |
---|
272 | int minidx[2]={-1,-1}; |
---|
273 | for(int i=0;i<leaves.size();++i) |
---|
274 | { |
---|
275 | for(int j=i+1;j<leaves.size();++j) |
---|
276 | { |
---|
277 | const btScalar sz=size(merge(leaves[i]->volume,leaves[j]->volume)); |
---|
278 | if(sz<minsize) |
---|
279 | { |
---|
280 | minsize = sz; |
---|
281 | minidx[0] = i; |
---|
282 | minidx[1] = j; |
---|
283 | } |
---|
284 | } |
---|
285 | } |
---|
286 | btDbvtNode* n[] = {leaves[minidx[0]],leaves[minidx[1]]}; |
---|
287 | btDbvtNode* p = createnode(pdbvt,0,n[0]->volume,n[1]->volume,0); |
---|
288 | p->childs[0] = n[0]; |
---|
289 | p->childs[1] = n[1]; |
---|
290 | n[0]->parent = p; |
---|
291 | n[1]->parent = p; |
---|
292 | leaves[minidx[0]] = p; |
---|
293 | leaves.swap(minidx[1],leaves.size()-1); |
---|
294 | leaves.pop_back(); |
---|
295 | } |
---|
296 | } |
---|
297 | |
---|
298 | // |
---|
299 | static btDbvtNode* topdown(btDbvt* pdbvt, |
---|
300 | tNodeArray& leaves, |
---|
301 | int bu_treshold) |
---|
302 | { |
---|
303 | static const btVector3 axis[]={btVector3(1,0,0), |
---|
304 | btVector3(0,1,0), |
---|
305 | btVector3(0,0,1)}; |
---|
306 | if(leaves.size()>1) |
---|
307 | { |
---|
308 | if(leaves.size()>bu_treshold) |
---|
309 | { |
---|
310 | const btDbvtVolume vol=bounds(leaves); |
---|
311 | const btVector3 org=vol.Center(); |
---|
312 | tNodeArray sets[2]; |
---|
313 | int bestaxis=-1; |
---|
314 | int bestmidp=leaves.size(); |
---|
315 | int splitcount[3][2]={{0,0},{0,0},{0,0}}; |
---|
316 | int i; |
---|
317 | for( i=0;i<leaves.size();++i) |
---|
318 | { |
---|
319 | const btVector3 x=leaves[i]->volume.Center()-org; |
---|
320 | for(int j=0;j<3;++j) |
---|
321 | { |
---|
322 | ++splitcount[j][dot(x,axis[j])>0?1:0]; |
---|
323 | } |
---|
324 | } |
---|
325 | for( i=0;i<3;++i) |
---|
326 | { |
---|
327 | if((splitcount[i][0]>0)&&(splitcount[i][1]>0)) |
---|
328 | { |
---|
329 | const int midp=(int)btFabs(btScalar(splitcount[i][0]-splitcount[i][1])); |
---|
330 | if(midp<bestmidp) |
---|
331 | { |
---|
332 | bestaxis=i; |
---|
333 | bestmidp=midp; |
---|
334 | } |
---|
335 | } |
---|
336 | } |
---|
337 | if(bestaxis>=0) |
---|
338 | { |
---|
339 | sets[0].reserve(splitcount[bestaxis][0]); |
---|
340 | sets[1].reserve(splitcount[bestaxis][1]); |
---|
341 | split(leaves,sets[0],sets[1],org,axis[bestaxis]); |
---|
342 | } |
---|
343 | else |
---|
344 | { |
---|
345 | sets[0].reserve(leaves.size()/2+1); |
---|
346 | sets[1].reserve(leaves.size()/2); |
---|
347 | for(int i=0,ni=leaves.size();i<ni;++i) |
---|
348 | { |
---|
349 | sets[i&1].push_back(leaves[i]); |
---|
350 | } |
---|
351 | } |
---|
352 | btDbvtNode* node=createnode(pdbvt,0,vol,0); |
---|
353 | node->childs[0]=topdown(pdbvt,sets[0],bu_treshold); |
---|
354 | node->childs[1]=topdown(pdbvt,sets[1],bu_treshold); |
---|
355 | node->childs[0]->parent=node; |
---|
356 | node->childs[1]->parent=node; |
---|
357 | return(node); |
---|
358 | } |
---|
359 | else |
---|
360 | { |
---|
361 | bottomup(pdbvt,leaves); |
---|
362 | return(leaves[0]); |
---|
363 | } |
---|
364 | } |
---|
365 | return(leaves[0]); |
---|
366 | } |
---|
367 | |
---|
368 | // |
---|
369 | static DBVT_INLINE btDbvtNode* sort(btDbvtNode* n,btDbvtNode*& r) |
---|
370 | { |
---|
371 | btDbvtNode* p=n->parent; |
---|
372 | btAssert(n->isinternal()); |
---|
373 | if(p>n) |
---|
374 | { |
---|
375 | const int i=indexof(n); |
---|
376 | const int j=1-i; |
---|
377 | btDbvtNode* s=p->childs[j]; |
---|
378 | btDbvtNode* q=p->parent; |
---|
379 | btAssert(n==p->childs[i]); |
---|
380 | if(q) q->childs[indexof(p)]=n; else r=n; |
---|
381 | s->parent=n; |
---|
382 | p->parent=n; |
---|
383 | n->parent=q; |
---|
384 | p->childs[0]=n->childs[0]; |
---|
385 | p->childs[1]=n->childs[1]; |
---|
386 | n->childs[0]->parent=p; |
---|
387 | n->childs[1]->parent=p; |
---|
388 | n->childs[i]=p; |
---|
389 | n->childs[j]=s; |
---|
390 | btSwap(p->volume,n->volume); |
---|
391 | return(p); |
---|
392 | } |
---|
393 | return(n); |
---|
394 | } |
---|
395 | |
---|
396 | // |
---|
397 | static DBVT_INLINE btDbvtNode* walkup(btDbvtNode* n,int count) |
---|
398 | { |
---|
399 | while(n&&(count--)) n=n->parent; |
---|
400 | return(n); |
---|
401 | } |
---|
402 | |
---|
403 | // |
---|
404 | // Api |
---|
405 | // |
---|
406 | |
---|
407 | // |
---|
408 | btDbvt::btDbvt() |
---|
409 | { |
---|
410 | m_root = 0; |
---|
411 | m_free = 0; |
---|
412 | m_lkhd = -1; |
---|
413 | m_leaves = 0; |
---|
414 | m_opath = 0; |
---|
415 | } |
---|
416 | |
---|
417 | // |
---|
418 | btDbvt::~btDbvt() |
---|
419 | { |
---|
420 | clear(); |
---|
421 | } |
---|
422 | |
---|
423 | // |
---|
424 | void btDbvt::clear() |
---|
425 | { |
---|
426 | if(m_root) recursedeletenode(this,m_root); |
---|
427 | btAlignedFree(m_free); |
---|
428 | m_free=0; |
---|
429 | } |
---|
430 | |
---|
431 | // |
---|
432 | void btDbvt::optimizeBottomUp() |
---|
433 | { |
---|
434 | if(m_root) |
---|
435 | { |
---|
436 | tNodeArray leaves; |
---|
437 | leaves.reserve(m_leaves); |
---|
438 | fetchleaves(this,m_root,leaves); |
---|
439 | bottomup(this,leaves); |
---|
440 | m_root=leaves[0]; |
---|
441 | } |
---|
442 | } |
---|
443 | |
---|
444 | // |
---|
445 | void btDbvt::optimizeTopDown(int bu_treshold) |
---|
446 | { |
---|
447 | if(m_root) |
---|
448 | { |
---|
449 | tNodeArray leaves; |
---|
450 | leaves.reserve(m_leaves); |
---|
451 | fetchleaves(this,m_root,leaves); |
---|
452 | m_root=topdown(this,leaves,bu_treshold); |
---|
453 | } |
---|
454 | } |
---|
455 | |
---|
456 | // |
---|
457 | void btDbvt::optimizeIncremental(int passes) |
---|
458 | { |
---|
459 | if(passes<0) passes=m_leaves; |
---|
460 | if(m_root&&(passes>0)) |
---|
461 | { |
---|
462 | do { |
---|
463 | btDbvtNode* node=m_root; |
---|
464 | unsigned bit=0; |
---|
465 | while(node->isinternal()) |
---|
466 | { |
---|
467 | node=sort(node,m_root)->childs[(m_opath>>bit)&1]; |
---|
468 | bit=(bit+1)&(sizeof(unsigned)*8-1); |
---|
469 | } |
---|
470 | update(node); |
---|
471 | ++m_opath; |
---|
472 | } while(--passes); |
---|
473 | } |
---|
474 | } |
---|
475 | |
---|
476 | // |
---|
477 | btDbvtNode* btDbvt::insert(const btDbvtVolume& volume,void* data) |
---|
478 | { |
---|
479 | btDbvtNode* leaf=createnode(this,0,volume,data); |
---|
480 | insertleaf(this,m_root,leaf); |
---|
481 | ++m_leaves; |
---|
482 | return(leaf); |
---|
483 | } |
---|
484 | |
---|
485 | // |
---|
486 | void btDbvt::update(btDbvtNode* leaf,int lookahead) |
---|
487 | { |
---|
488 | btDbvtNode* root=removeleaf(this,leaf); |
---|
489 | if(root) |
---|
490 | { |
---|
491 | if(lookahead>=0) |
---|
492 | { |
---|
493 | for(int i=0;(i<lookahead)&&root->parent;++i) |
---|
494 | { |
---|
495 | root=root->parent; |
---|
496 | } |
---|
497 | } else root=m_root; |
---|
498 | } |
---|
499 | insertleaf(this,root,leaf); |
---|
500 | } |
---|
501 | |
---|
502 | // |
---|
503 | void btDbvt::update(btDbvtNode* leaf,btDbvtVolume& volume) |
---|
504 | { |
---|
505 | btDbvtNode* root=removeleaf(this,leaf); |
---|
506 | if(root) |
---|
507 | { |
---|
508 | if(m_lkhd>=0) |
---|
509 | { |
---|
510 | for(int i=0;(i<m_lkhd)&&root->parent;++i) |
---|
511 | { |
---|
512 | root=root->parent; |
---|
513 | } |
---|
514 | } else root=m_root; |
---|
515 | } |
---|
516 | leaf->volume=volume; |
---|
517 | insertleaf(this,root,leaf); |
---|
518 | } |
---|
519 | |
---|
520 | // |
---|
521 | bool btDbvt::update(btDbvtNode* leaf,btDbvtVolume& volume,const btVector3& velocity,btScalar margin) |
---|
522 | { |
---|
523 | if(leaf->volume.Contain(volume)) return(false); |
---|
524 | volume.Expand(btVector3(margin,margin,margin)); |
---|
525 | volume.SignedExpand(velocity); |
---|
526 | update(leaf,volume); |
---|
527 | return(true); |
---|
528 | } |
---|
529 | |
---|
530 | // |
---|
531 | bool btDbvt::update(btDbvtNode* leaf,btDbvtVolume& volume,const btVector3& velocity) |
---|
532 | { |
---|
533 | if(leaf->volume.Contain(volume)) return(false); |
---|
534 | volume.SignedExpand(velocity); |
---|
535 | update(leaf,volume); |
---|
536 | return(true); |
---|
537 | } |
---|
538 | |
---|
539 | // |
---|
540 | bool btDbvt::update(btDbvtNode* leaf,btDbvtVolume& volume,btScalar margin) |
---|
541 | { |
---|
542 | if(leaf->volume.Contain(volume)) return(false); |
---|
543 | volume.Expand(btVector3(margin,margin,margin)); |
---|
544 | update(leaf,volume); |
---|
545 | return(true); |
---|
546 | } |
---|
547 | |
---|
548 | // |
---|
549 | void btDbvt::remove(btDbvtNode* leaf) |
---|
550 | { |
---|
551 | removeleaf(this,leaf); |
---|
552 | deletenode(this,leaf); |
---|
553 | --m_leaves; |
---|
554 | } |
---|
555 | |
---|
556 | // |
---|
557 | void btDbvt::write(IWriter* iwriter) const |
---|
558 | { |
---|
559 | btDbvtNodeEnumerator nodes; |
---|
560 | nodes.nodes.reserve(m_leaves*2); |
---|
561 | enumNodes(m_root,nodes); |
---|
562 | iwriter->Prepare(m_root,nodes.nodes.size()); |
---|
563 | for(int i=0;i<nodes.nodes.size();++i) |
---|
564 | { |
---|
565 | const btDbvtNode* n=nodes.nodes[i]; |
---|
566 | int p=-1; |
---|
567 | if(n->parent) p=nodes.nodes.findLinearSearch(n->parent); |
---|
568 | if(n->isinternal()) |
---|
569 | { |
---|
570 | const int c0=nodes.nodes.findLinearSearch(n->childs[0]); |
---|
571 | const int c1=nodes.nodes.findLinearSearch(n->childs[1]); |
---|
572 | iwriter->WriteNode(n,i,p,c0,c1); |
---|
573 | } |
---|
574 | else |
---|
575 | { |
---|
576 | iwriter->WriteLeaf(n,i,p); |
---|
577 | } |
---|
578 | } |
---|
579 | } |
---|
580 | |
---|
581 | // |
---|
582 | void btDbvt::clone(btDbvt& dest,IClone* iclone) const |
---|
583 | { |
---|
584 | dest.clear(); |
---|
585 | if(m_root!=0) |
---|
586 | { |
---|
587 | btAlignedObjectArray<sStkCLN> stack; |
---|
588 | stack.reserve(m_leaves); |
---|
589 | stack.push_back(sStkCLN(m_root,0)); |
---|
590 | do { |
---|
591 | const int i=stack.size()-1; |
---|
592 | const sStkCLN e=stack[i]; |
---|
593 | btDbvtNode* n=createnode(&dest,e.parent,e.node->volume,e.node->data); |
---|
594 | stack.pop_back(); |
---|
595 | if(e.parent!=0) |
---|
596 | e.parent->childs[i&1]=n; |
---|
597 | else |
---|
598 | dest.m_root=n; |
---|
599 | if(e.node->isinternal()) |
---|
600 | { |
---|
601 | stack.push_back(sStkCLN(e.node->childs[0],n)); |
---|
602 | stack.push_back(sStkCLN(e.node->childs[1],n)); |
---|
603 | } |
---|
604 | else |
---|
605 | { |
---|
606 | iclone->CloneLeaf(n); |
---|
607 | } |
---|
608 | } while(stack.size()>0); |
---|
609 | } |
---|
610 | } |
---|
611 | |
---|
612 | // |
---|
613 | int btDbvt::maxdepth(const btDbvtNode* node) |
---|
614 | { |
---|
615 | int depth=0; |
---|
616 | if(node) getmaxdepth(node,1,depth); |
---|
617 | return(depth); |
---|
618 | } |
---|
619 | |
---|
620 | // |
---|
621 | int btDbvt::countLeaves(const btDbvtNode* node) |
---|
622 | { |
---|
623 | if(node->isinternal()) |
---|
624 | return(countLeaves(node->childs[0])+countLeaves(node->childs[1])); |
---|
625 | else |
---|
626 | return(1); |
---|
627 | } |
---|
628 | |
---|
629 | // |
---|
630 | void btDbvt::extractLeaves(const btDbvtNode* node,btAlignedObjectArray<const btDbvtNode*>& leaves) |
---|
631 | { |
---|
632 | if(node->isinternal()) |
---|
633 | { |
---|
634 | extractLeaves(node->childs[0],leaves); |
---|
635 | extractLeaves(node->childs[1],leaves); |
---|
636 | } |
---|
637 | else |
---|
638 | { |
---|
639 | leaves.push_back(node); |
---|
640 | } |
---|
641 | } |
---|
642 | |
---|
643 | // |
---|
644 | #if DBVT_ENABLE_BENCHMARK |
---|
645 | |
---|
646 | #include <stdio.h> |
---|
647 | #include <stdlib.h> |
---|
648 | #include "LinearMath/btQuickProf.h" |
---|
649 | |
---|
650 | /* |
---|
651 | q6600,2.4ghz |
---|
652 | |
---|
653 | /Ox /Ob2 /Oi /Ot /I "." /I "..\.." /I "..\..\src" /D "NDEBUG" /D "_LIB" /D "_WINDOWS" /D "_CRT_SECURE_NO_DEPRECATE" /D "_CRT_NONSTDC_NO_DEPRECATE" /D "WIN32" |
---|
654 | /GF /FD /MT /GS- /Gy /arch:SSE2 /Zc:wchar_t- /Fp"..\..\out\release8\build\libbulletcollision\libbulletcollision.pch" |
---|
655 | /Fo"..\..\out\release8\build\libbulletcollision\\" |
---|
656 | /Fd"..\..\out\release8\build\libbulletcollision\bulletcollision.pdb" |
---|
657 | /W3 /nologo /c /Wp64 /Zi /errorReport:prompt |
---|
658 | |
---|
659 | Benchmarking dbvt... |
---|
660 | World scale: 100.000000 |
---|
661 | Extents base: 1.000000 |
---|
662 | Extents range: 4.000000 |
---|
663 | Leaves: 8192 |
---|
664 | sizeof(btDbvtVolume): 32 bytes |
---|
665 | sizeof(btDbvtNode): 44 bytes |
---|
666 | [1] btDbvtVolume intersections: 3499 ms (-1%) |
---|
667 | [2] btDbvtVolume merges: 1934 ms (0%) |
---|
668 | [3] btDbvt::collideTT: 5485 ms (-21%) |
---|
669 | [4] btDbvt::collideTT self: 2814 ms (-20%) |
---|
670 | [5] btDbvt::collideTT xform: 7379 ms (-1%) |
---|
671 | [6] btDbvt::collideTT xform,self: 7270 ms (-2%) |
---|
672 | [7] btDbvt::rayTest: 6314 ms (0%),(332143 r/s) |
---|
673 | [8] insert/remove: 2093 ms (0%),(1001983 ir/s) |
---|
674 | [9] updates (teleport): 1879 ms (-3%),(1116100 u/s) |
---|
675 | [10] updates (jitter): 1244 ms (-4%),(1685813 u/s) |
---|
676 | [11] optimize (incremental): 2514 ms (0%),(1668000 o/s) |
---|
677 | [12] btDbvtVolume notequal: 3659 ms (0%) |
---|
678 | [13] culling(OCL+fullsort): 2218 ms (0%),(461 t/s) |
---|
679 | [14] culling(OCL+qsort): 3688 ms (5%),(2221 t/s) |
---|
680 | [15] culling(KDOP+qsort): 1139 ms (-1%),(7192 t/s) |
---|
681 | [16] insert/remove batch(256): 5092 ms (0%),(823704 bir/s) |
---|
682 | [17] btDbvtVolume select: 3419 ms (0%) |
---|
683 | */ |
---|
684 | |
---|
685 | struct btDbvtBenchmark |
---|
686 | { |
---|
687 | struct NilPolicy : btDbvt::ICollide |
---|
688 | { |
---|
689 | NilPolicy() : m_pcount(0),m_depth(-SIMD_INFINITY),m_checksort(true) {} |
---|
690 | void Process(const btDbvtNode*,const btDbvtNode*) { ++m_pcount; } |
---|
691 | void Process(const btDbvtNode*) { ++m_pcount; } |
---|
692 | void Process(const btDbvtNode*,btScalar depth) |
---|
693 | { |
---|
694 | ++m_pcount; |
---|
695 | if(m_checksort) |
---|
696 | { if(depth>=m_depth) m_depth=depth; else printf("wrong depth: %f (should be >= %f)\r\n",depth,m_depth); } |
---|
697 | } |
---|
698 | int m_pcount; |
---|
699 | btScalar m_depth; |
---|
700 | bool m_checksort; |
---|
701 | }; |
---|
702 | struct P14 : btDbvt::ICollide |
---|
703 | { |
---|
704 | struct Node |
---|
705 | { |
---|
706 | const btDbvtNode* leaf; |
---|
707 | btScalar depth; |
---|
708 | }; |
---|
709 | void Process(const btDbvtNode* leaf,btScalar depth) |
---|
710 | { |
---|
711 | Node n; |
---|
712 | n.leaf = leaf; |
---|
713 | n.depth = depth; |
---|
714 | } |
---|
715 | static int sortfnc(const Node& a,const Node& b) |
---|
716 | { |
---|
717 | if(a.depth<b.depth) return(+1); |
---|
718 | if(a.depth>b.depth) return(-1); |
---|
719 | return(0); |
---|
720 | } |
---|
721 | btAlignedObjectArray<Node> m_nodes; |
---|
722 | }; |
---|
723 | struct P15 : btDbvt::ICollide |
---|
724 | { |
---|
725 | struct Node |
---|
726 | { |
---|
727 | const btDbvtNode* leaf; |
---|
728 | btScalar depth; |
---|
729 | }; |
---|
730 | void Process(const btDbvtNode* leaf) |
---|
731 | { |
---|
732 | Node n; |
---|
733 | n.leaf = leaf; |
---|
734 | n.depth = dot(leaf->volume.Center(),m_axis); |
---|
735 | } |
---|
736 | static int sortfnc(const Node& a,const Node& b) |
---|
737 | { |
---|
738 | if(a.depth<b.depth) return(+1); |
---|
739 | if(a.depth>b.depth) return(-1); |
---|
740 | return(0); |
---|
741 | } |
---|
742 | btAlignedObjectArray<Node> m_nodes; |
---|
743 | btVector3 m_axis; |
---|
744 | }; |
---|
745 | static btScalar RandUnit() |
---|
746 | { |
---|
747 | return(rand()/(btScalar)RAND_MAX); |
---|
748 | } |
---|
749 | static btVector3 RandVector3() |
---|
750 | { |
---|
751 | return(btVector3(RandUnit(),RandUnit(),RandUnit())); |
---|
752 | } |
---|
753 | static btVector3 RandVector3(btScalar cs) |
---|
754 | { |
---|
755 | return(RandVector3()*cs-btVector3(cs,cs,cs)/2); |
---|
756 | } |
---|
757 | static btDbvtVolume RandVolume(btScalar cs,btScalar eb,btScalar es) |
---|
758 | { |
---|
759 | return(btDbvtVolume::FromCE(RandVector3(cs),btVector3(eb,eb,eb)+RandVector3()*es)); |
---|
760 | } |
---|
761 | static btTransform RandTransform(btScalar cs) |
---|
762 | { |
---|
763 | btTransform t; |
---|
764 | t.setOrigin(RandVector3(cs)); |
---|
765 | t.setRotation(btQuaternion(RandUnit()*SIMD_PI*2,RandUnit()*SIMD_PI*2,RandUnit()*SIMD_PI*2).normalized()); |
---|
766 | return(t); |
---|
767 | } |
---|
768 | static void RandTree(btScalar cs,btScalar eb,btScalar es,int leaves,btDbvt& dbvt) |
---|
769 | { |
---|
770 | dbvt.clear(); |
---|
771 | for(int i=0;i<leaves;++i) |
---|
772 | { |
---|
773 | dbvt.insert(RandVolume(cs,eb,es),0); |
---|
774 | } |
---|
775 | } |
---|
776 | }; |
---|
777 | |
---|
778 | void btDbvt::benchmark() |
---|
779 | { |
---|
780 | static const btScalar cfgVolumeCenterScale = 100; |
---|
781 | static const btScalar cfgVolumeExentsBase = 1; |
---|
782 | static const btScalar cfgVolumeExentsScale = 4; |
---|
783 | static const int cfgLeaves = 8192; |
---|
784 | static const bool cfgEnable = true; |
---|
785 | |
---|
786 | //[1] btDbvtVolume intersections |
---|
787 | bool cfgBenchmark1_Enable = cfgEnable; |
---|
788 | static const int cfgBenchmark1_Iterations = 8; |
---|
789 | static const int cfgBenchmark1_Reference = 3499; |
---|
790 | //[2] btDbvtVolume merges |
---|
791 | bool cfgBenchmark2_Enable = cfgEnable; |
---|
792 | static const int cfgBenchmark2_Iterations = 4; |
---|
793 | static const int cfgBenchmark2_Reference = 1945; |
---|
794 | //[3] btDbvt::collideTT |
---|
795 | bool cfgBenchmark3_Enable = cfgEnable; |
---|
796 | static const int cfgBenchmark3_Iterations = 512; |
---|
797 | static const int cfgBenchmark3_Reference = 5485; |
---|
798 | //[4] btDbvt::collideTT self |
---|
799 | bool cfgBenchmark4_Enable = cfgEnable; |
---|
800 | static const int cfgBenchmark4_Iterations = 512; |
---|
801 | static const int cfgBenchmark4_Reference = 2814; |
---|
802 | //[5] btDbvt::collideTT xform |
---|
803 | bool cfgBenchmark5_Enable = cfgEnable; |
---|
804 | static const int cfgBenchmark5_Iterations = 512; |
---|
805 | static const btScalar cfgBenchmark5_OffsetScale = 2; |
---|
806 | static const int cfgBenchmark5_Reference = 7379; |
---|
807 | //[6] btDbvt::collideTT xform,self |
---|
808 | bool cfgBenchmark6_Enable = cfgEnable; |
---|
809 | static const int cfgBenchmark6_Iterations = 512; |
---|
810 | static const btScalar cfgBenchmark6_OffsetScale = 2; |
---|
811 | static const int cfgBenchmark6_Reference = 7270; |
---|
812 | //[7] btDbvt::rayTest |
---|
813 | bool cfgBenchmark7_Enable = cfgEnable; |
---|
814 | static const int cfgBenchmark7_Passes = 32; |
---|
815 | static const int cfgBenchmark7_Iterations = 65536; |
---|
816 | static const int cfgBenchmark7_Reference = 6307; |
---|
817 | //[8] insert/remove |
---|
818 | bool cfgBenchmark8_Enable = cfgEnable; |
---|
819 | static const int cfgBenchmark8_Passes = 32; |
---|
820 | static const int cfgBenchmark8_Iterations = 65536; |
---|
821 | static const int cfgBenchmark8_Reference = 2105; |
---|
822 | //[9] updates (teleport) |
---|
823 | bool cfgBenchmark9_Enable = cfgEnable; |
---|
824 | static const int cfgBenchmark9_Passes = 32; |
---|
825 | static const int cfgBenchmark9_Iterations = 65536; |
---|
826 | static const int cfgBenchmark9_Reference = 1879; |
---|
827 | //[10] updates (jitter) |
---|
828 | bool cfgBenchmark10_Enable = cfgEnable; |
---|
829 | static const btScalar cfgBenchmark10_Scale = cfgVolumeCenterScale/10000; |
---|
830 | static const int cfgBenchmark10_Passes = 32; |
---|
831 | static const int cfgBenchmark10_Iterations = 65536; |
---|
832 | static const int cfgBenchmark10_Reference = 1244; |
---|
833 | //[11] optimize (incremental) |
---|
834 | bool cfgBenchmark11_Enable = cfgEnable; |
---|
835 | static const int cfgBenchmark11_Passes = 64; |
---|
836 | static const int cfgBenchmark11_Iterations = 65536; |
---|
837 | static const int cfgBenchmark11_Reference = 2510; |
---|
838 | //[12] btDbvtVolume notequal |
---|
839 | bool cfgBenchmark12_Enable = cfgEnable; |
---|
840 | static const int cfgBenchmark12_Iterations = 32; |
---|
841 | static const int cfgBenchmark12_Reference = 3677; |
---|
842 | //[13] culling(OCL+fullsort) |
---|
843 | bool cfgBenchmark13_Enable = cfgEnable; |
---|
844 | static const int cfgBenchmark13_Iterations = 1024; |
---|
845 | static const int cfgBenchmark13_Reference = 2231; |
---|
846 | //[14] culling(OCL+qsort) |
---|
847 | bool cfgBenchmark14_Enable = cfgEnable; |
---|
848 | static const int cfgBenchmark14_Iterations = 8192; |
---|
849 | static const int cfgBenchmark14_Reference = 3500; |
---|
850 | //[15] culling(KDOP+qsort) |
---|
851 | bool cfgBenchmark15_Enable = cfgEnable; |
---|
852 | static const int cfgBenchmark15_Iterations = 8192; |
---|
853 | static const int cfgBenchmark15_Reference = 1151; |
---|
854 | //[16] insert/remove batch |
---|
855 | bool cfgBenchmark16_Enable = cfgEnable; |
---|
856 | static const int cfgBenchmark16_BatchCount = 256; |
---|
857 | static const int cfgBenchmark16_Passes = 16384; |
---|
858 | static const int cfgBenchmark16_Reference = 5138; |
---|
859 | //[17] select |
---|
860 | bool cfgBenchmark17_Enable = cfgEnable; |
---|
861 | static const int cfgBenchmark17_Iterations = 4; |
---|
862 | static const int cfgBenchmark17_Reference = 3390; |
---|
863 | |
---|
864 | btClock wallclock; |
---|
865 | printf("Benchmarking dbvt...\r\n"); |
---|
866 | printf("\tWorld scale: %f\r\n",cfgVolumeCenterScale); |
---|
867 | printf("\tExtents base: %f\r\n",cfgVolumeExentsBase); |
---|
868 | printf("\tExtents range: %f\r\n",cfgVolumeExentsScale); |
---|
869 | printf("\tLeaves: %u\r\n",cfgLeaves); |
---|
870 | printf("\tsizeof(btDbvtVolume): %u bytes\r\n",sizeof(btDbvtVolume)); |
---|
871 | printf("\tsizeof(btDbvtNode): %u bytes\r\n",sizeof(btDbvtNode)); |
---|
872 | if(cfgBenchmark1_Enable) |
---|
873 | {// Benchmark 1 |
---|
874 | srand(380843); |
---|
875 | btAlignedObjectArray<btDbvtVolume> volumes; |
---|
876 | btAlignedObjectArray<bool> results; |
---|
877 | volumes.resize(cfgLeaves); |
---|
878 | results.resize(cfgLeaves); |
---|
879 | for(int i=0;i<cfgLeaves;++i) |
---|
880 | { |
---|
881 | volumes[i]=btDbvtBenchmark::RandVolume(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale); |
---|
882 | } |
---|
883 | printf("[1] btDbvtVolume intersections: "); |
---|
884 | wallclock.reset(); |
---|
885 | for(int i=0;i<cfgBenchmark1_Iterations;++i) |
---|
886 | { |
---|
887 | for(int j=0;j<cfgLeaves;++j) |
---|
888 | { |
---|
889 | for(int k=0;k<cfgLeaves;++k) |
---|
890 | { |
---|
891 | results[k]=Intersect(volumes[j],volumes[k]); |
---|
892 | } |
---|
893 | } |
---|
894 | } |
---|
895 | const int time=(int)wallclock.getTimeMilliseconds(); |
---|
896 | printf("%u ms (%i%%)\r\n",time,(time-cfgBenchmark1_Reference)*100/time); |
---|
897 | } |
---|
898 | if(cfgBenchmark2_Enable) |
---|
899 | {// Benchmark 2 |
---|
900 | srand(380843); |
---|
901 | btAlignedObjectArray<btDbvtVolume> volumes; |
---|
902 | btAlignedObjectArray<btDbvtVolume> results; |
---|
903 | volumes.resize(cfgLeaves); |
---|
904 | results.resize(cfgLeaves); |
---|
905 | for(int i=0;i<cfgLeaves;++i) |
---|
906 | { |
---|
907 | volumes[i]=btDbvtBenchmark::RandVolume(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale); |
---|
908 | } |
---|
909 | printf("[2] btDbvtVolume merges: "); |
---|
910 | wallclock.reset(); |
---|
911 | for(int i=0;i<cfgBenchmark2_Iterations;++i) |
---|
912 | { |
---|
913 | for(int j=0;j<cfgLeaves;++j) |
---|
914 | { |
---|
915 | for(int k=0;k<cfgLeaves;++k) |
---|
916 | { |
---|
917 | Merge(volumes[j],volumes[k],results[k]); |
---|
918 | } |
---|
919 | } |
---|
920 | } |
---|
921 | const int time=(int)wallclock.getTimeMilliseconds(); |
---|
922 | printf("%u ms (%i%%)\r\n",time,(time-cfgBenchmark2_Reference)*100/time); |
---|
923 | } |
---|
924 | if(cfgBenchmark3_Enable) |
---|
925 | {// Benchmark 3 |
---|
926 | srand(380843); |
---|
927 | btDbvt dbvt[2]; |
---|
928 | btDbvtBenchmark::NilPolicy policy; |
---|
929 | btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt[0]); |
---|
930 | btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt[1]); |
---|
931 | dbvt[0].optimizeTopDown(); |
---|
932 | dbvt[1].optimizeTopDown(); |
---|
933 | printf("[3] btDbvt::collideTT: "); |
---|
934 | wallclock.reset(); |
---|
935 | for(int i=0;i<cfgBenchmark3_Iterations;++i) |
---|
936 | { |
---|
937 | btDbvt::collideTT(dbvt[0].m_root,dbvt[1].m_root,policy); |
---|
938 | } |
---|
939 | const int time=(int)wallclock.getTimeMilliseconds(); |
---|
940 | printf("%u ms (%i%%)\r\n",time,(time-cfgBenchmark3_Reference)*100/time); |
---|
941 | } |
---|
942 | if(cfgBenchmark4_Enable) |
---|
943 | {// Benchmark 4 |
---|
944 | srand(380843); |
---|
945 | btDbvt dbvt; |
---|
946 | btDbvtBenchmark::NilPolicy policy; |
---|
947 | btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); |
---|
948 | dbvt.optimizeTopDown(); |
---|
949 | printf("[4] btDbvt::collideTT self: "); |
---|
950 | wallclock.reset(); |
---|
951 | for(int i=0;i<cfgBenchmark4_Iterations;++i) |
---|
952 | { |
---|
953 | btDbvt::collideTT(dbvt.m_root,dbvt.m_root,policy); |
---|
954 | } |
---|
955 | const int time=(int)wallclock.getTimeMilliseconds(); |
---|
956 | printf("%u ms (%i%%)\r\n",time,(time-cfgBenchmark4_Reference)*100/time); |
---|
957 | } |
---|
958 | if(cfgBenchmark5_Enable) |
---|
959 | {// Benchmark 5 |
---|
960 | srand(380843); |
---|
961 | btDbvt dbvt[2]; |
---|
962 | btAlignedObjectArray<btTransform> transforms; |
---|
963 | btDbvtBenchmark::NilPolicy policy; |
---|
964 | transforms.resize(cfgBenchmark5_Iterations); |
---|
965 | for(int i=0;i<transforms.size();++i) |
---|
966 | { |
---|
967 | transforms[i]=btDbvtBenchmark::RandTransform(cfgVolumeCenterScale*cfgBenchmark5_OffsetScale); |
---|
968 | } |
---|
969 | btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt[0]); |
---|
970 | btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt[1]); |
---|
971 | dbvt[0].optimizeTopDown(); |
---|
972 | dbvt[1].optimizeTopDown(); |
---|
973 | printf("[5] btDbvt::collideTT xform: "); |
---|
974 | wallclock.reset(); |
---|
975 | for(int i=0;i<cfgBenchmark5_Iterations;++i) |
---|
976 | { |
---|
977 | btDbvt::collideTT(dbvt[0].m_root,dbvt[1].m_root,transforms[i],policy); |
---|
978 | } |
---|
979 | const int time=(int)wallclock.getTimeMilliseconds(); |
---|
980 | printf("%u ms (%i%%)\r\n",time,(time-cfgBenchmark5_Reference)*100/time); |
---|
981 | } |
---|
982 | if(cfgBenchmark6_Enable) |
---|
983 | {// Benchmark 6 |
---|
984 | srand(380843); |
---|
985 | btDbvt dbvt; |
---|
986 | btAlignedObjectArray<btTransform> transforms; |
---|
987 | btDbvtBenchmark::NilPolicy policy; |
---|
988 | transforms.resize(cfgBenchmark6_Iterations); |
---|
989 | for(int i=0;i<transforms.size();++i) |
---|
990 | { |
---|
991 | transforms[i]=btDbvtBenchmark::RandTransform(cfgVolumeCenterScale*cfgBenchmark6_OffsetScale); |
---|
992 | } |
---|
993 | btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); |
---|
994 | dbvt.optimizeTopDown(); |
---|
995 | printf("[6] btDbvt::collideTT xform,self: "); |
---|
996 | wallclock.reset(); |
---|
997 | for(int i=0;i<cfgBenchmark6_Iterations;++i) |
---|
998 | { |
---|
999 | btDbvt::collideTT(dbvt.m_root,dbvt.m_root,transforms[i],policy); |
---|
1000 | } |
---|
1001 | const int time=(int)wallclock.getTimeMilliseconds(); |
---|
1002 | printf("%u ms (%i%%)\r\n",time,(time-cfgBenchmark6_Reference)*100/time); |
---|
1003 | } |
---|
1004 | if(cfgBenchmark7_Enable) |
---|
1005 | {// Benchmark 7 |
---|
1006 | srand(380843); |
---|
1007 | btDbvt dbvt; |
---|
1008 | btAlignedObjectArray<btVector3> rayorg; |
---|
1009 | btAlignedObjectArray<btVector3> raydir; |
---|
1010 | btDbvtBenchmark::NilPolicy policy; |
---|
1011 | rayorg.resize(cfgBenchmark7_Iterations); |
---|
1012 | raydir.resize(cfgBenchmark7_Iterations); |
---|
1013 | for(int i=0;i<rayorg.size();++i) |
---|
1014 | { |
---|
1015 | rayorg[i]=btDbvtBenchmark::RandVector3(cfgVolumeCenterScale*2); |
---|
1016 | raydir[i]=btDbvtBenchmark::RandVector3(cfgVolumeCenterScale*2); |
---|
1017 | } |
---|
1018 | btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); |
---|
1019 | dbvt.optimizeTopDown(); |
---|
1020 | printf("[7] btDbvt::rayTest: "); |
---|
1021 | wallclock.reset(); |
---|
1022 | for(int i=0;i<cfgBenchmark7_Passes;++i) |
---|
1023 | { |
---|
1024 | for(int j=0;j<cfgBenchmark7_Iterations;++j) |
---|
1025 | { |
---|
1026 | btDbvt::rayTest(dbvt.m_root,rayorg[j],rayorg[j]+raydir[j],policy); |
---|
1027 | } |
---|
1028 | } |
---|
1029 | const int time=(int)wallclock.getTimeMilliseconds(); |
---|
1030 | unsigned rays=cfgBenchmark7_Passes*cfgBenchmark7_Iterations; |
---|
1031 | printf("%u ms (%i%%),(%u r/s)\r\n",time,(time-cfgBenchmark7_Reference)*100/time,(rays*1000)/time); |
---|
1032 | } |
---|
1033 | if(cfgBenchmark8_Enable) |
---|
1034 | {// Benchmark 8 |
---|
1035 | srand(380843); |
---|
1036 | btDbvt dbvt; |
---|
1037 | btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); |
---|
1038 | dbvt.optimizeTopDown(); |
---|
1039 | printf("[8] insert/remove: "); |
---|
1040 | wallclock.reset(); |
---|
1041 | for(int i=0;i<cfgBenchmark8_Passes;++i) |
---|
1042 | { |
---|
1043 | for(int j=0;j<cfgBenchmark8_Iterations;++j) |
---|
1044 | { |
---|
1045 | dbvt.remove(dbvt.insert(btDbvtBenchmark::RandVolume(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale),0)); |
---|
1046 | } |
---|
1047 | } |
---|
1048 | const int time=(int)wallclock.getTimeMilliseconds(); |
---|
1049 | const int ir=cfgBenchmark8_Passes*cfgBenchmark8_Iterations; |
---|
1050 | printf("%u ms (%i%%),(%u ir/s)\r\n",time,(time-cfgBenchmark8_Reference)*100/time,ir*1000/time); |
---|
1051 | } |
---|
1052 | if(cfgBenchmark9_Enable) |
---|
1053 | {// Benchmark 9 |
---|
1054 | srand(380843); |
---|
1055 | btDbvt dbvt; |
---|
1056 | btAlignedObjectArray<const btDbvtNode*> leaves; |
---|
1057 | btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); |
---|
1058 | dbvt.optimizeTopDown(); |
---|
1059 | dbvt.extractLeaves(dbvt.m_root,leaves); |
---|
1060 | printf("[9] updates (teleport): "); |
---|
1061 | wallclock.reset(); |
---|
1062 | for(int i=0;i<cfgBenchmark9_Passes;++i) |
---|
1063 | { |
---|
1064 | for(int j=0;j<cfgBenchmark9_Iterations;++j) |
---|
1065 | { |
---|
1066 | dbvt.update(const_cast<btDbvtNode*>(leaves[rand()%cfgLeaves]), |
---|
1067 | btDbvtBenchmark::RandVolume(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale)); |
---|
1068 | } |
---|
1069 | } |
---|
1070 | const int time=(int)wallclock.getTimeMilliseconds(); |
---|
1071 | const int up=cfgBenchmark9_Passes*cfgBenchmark9_Iterations; |
---|
1072 | printf("%u ms (%i%%),(%u u/s)\r\n",time,(time-cfgBenchmark9_Reference)*100/time,up*1000/time); |
---|
1073 | } |
---|
1074 | if(cfgBenchmark10_Enable) |
---|
1075 | {// Benchmark 10 |
---|
1076 | srand(380843); |
---|
1077 | btDbvt dbvt; |
---|
1078 | btAlignedObjectArray<const btDbvtNode*> leaves; |
---|
1079 | btAlignedObjectArray<btVector3> vectors; |
---|
1080 | vectors.resize(cfgBenchmark10_Iterations); |
---|
1081 | for(int i=0;i<vectors.size();++i) |
---|
1082 | { |
---|
1083 | vectors[i]=(btDbvtBenchmark::RandVector3()*2-btVector3(1,1,1))*cfgBenchmark10_Scale; |
---|
1084 | } |
---|
1085 | btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); |
---|
1086 | dbvt.optimizeTopDown(); |
---|
1087 | dbvt.extractLeaves(dbvt.m_root,leaves); |
---|
1088 | printf("[10] updates (jitter): "); |
---|
1089 | wallclock.reset(); |
---|
1090 | |
---|
1091 | for(int i=0;i<cfgBenchmark10_Passes;++i) |
---|
1092 | { |
---|
1093 | for(int j=0;j<cfgBenchmark10_Iterations;++j) |
---|
1094 | { |
---|
1095 | const btVector3& d=vectors[j]; |
---|
1096 | btDbvtNode* l=const_cast<btDbvtNode*>(leaves[rand()%cfgLeaves]); |
---|
1097 | btDbvtVolume v=btDbvtVolume::FromMM(l->volume.Mins()+d,l->volume.Maxs()+d); |
---|
1098 | dbvt.update(l,v); |
---|
1099 | } |
---|
1100 | } |
---|
1101 | const int time=(int)wallclock.getTimeMilliseconds(); |
---|
1102 | const int up=cfgBenchmark10_Passes*cfgBenchmark10_Iterations; |
---|
1103 | printf("%u ms (%i%%),(%u u/s)\r\n",time,(time-cfgBenchmark10_Reference)*100/time,up*1000/time); |
---|
1104 | } |
---|
1105 | if(cfgBenchmark11_Enable) |
---|
1106 | {// Benchmark 11 |
---|
1107 | srand(380843); |
---|
1108 | btDbvt dbvt; |
---|
1109 | btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); |
---|
1110 | dbvt.optimizeTopDown(); |
---|
1111 | printf("[11] optimize (incremental): "); |
---|
1112 | wallclock.reset(); |
---|
1113 | for(int i=0;i<cfgBenchmark11_Passes;++i) |
---|
1114 | { |
---|
1115 | dbvt.optimizeIncremental(cfgBenchmark11_Iterations); |
---|
1116 | } |
---|
1117 | const int time=(int)wallclock.getTimeMilliseconds(); |
---|
1118 | const int op=cfgBenchmark11_Passes*cfgBenchmark11_Iterations; |
---|
1119 | printf("%u ms (%i%%),(%u o/s)\r\n",time,(time-cfgBenchmark11_Reference)*100/time,op/time*1000); |
---|
1120 | } |
---|
1121 | if(cfgBenchmark12_Enable) |
---|
1122 | {// Benchmark 12 |
---|
1123 | srand(380843); |
---|
1124 | btAlignedObjectArray<btDbvtVolume> volumes; |
---|
1125 | btAlignedObjectArray<bool> results; |
---|
1126 | volumes.resize(cfgLeaves); |
---|
1127 | results.resize(cfgLeaves); |
---|
1128 | for(int i=0;i<cfgLeaves;++i) |
---|
1129 | { |
---|
1130 | volumes[i]=btDbvtBenchmark::RandVolume(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale); |
---|
1131 | } |
---|
1132 | printf("[12] btDbvtVolume notequal: "); |
---|
1133 | wallclock.reset(); |
---|
1134 | for(int i=0;i<cfgBenchmark12_Iterations;++i) |
---|
1135 | { |
---|
1136 | for(int j=0;j<cfgLeaves;++j) |
---|
1137 | { |
---|
1138 | for(int k=0;k<cfgLeaves;++k) |
---|
1139 | { |
---|
1140 | results[k]=NotEqual(volumes[j],volumes[k]); |
---|
1141 | } |
---|
1142 | } |
---|
1143 | } |
---|
1144 | const int time=(int)wallclock.getTimeMilliseconds(); |
---|
1145 | printf("%u ms (%i%%)\r\n",time,(time-cfgBenchmark12_Reference)*100/time); |
---|
1146 | } |
---|
1147 | if(cfgBenchmark13_Enable) |
---|
1148 | {// Benchmark 13 |
---|
1149 | srand(380843); |
---|
1150 | btDbvt dbvt; |
---|
1151 | btAlignedObjectArray<btVector3> vectors; |
---|
1152 | btDbvtBenchmark::NilPolicy policy; |
---|
1153 | vectors.resize(cfgBenchmark13_Iterations); |
---|
1154 | for(int i=0;i<vectors.size();++i) |
---|
1155 | { |
---|
1156 | vectors[i]=(btDbvtBenchmark::RandVector3()*2-btVector3(1,1,1)).normalized(); |
---|
1157 | } |
---|
1158 | btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); |
---|
1159 | dbvt.optimizeTopDown(); |
---|
1160 | printf("[13] culling(OCL+fullsort): "); |
---|
1161 | wallclock.reset(); |
---|
1162 | for(int i=0;i<cfgBenchmark13_Iterations;++i) |
---|
1163 | { |
---|
1164 | static const btScalar offset=0; |
---|
1165 | policy.m_depth=-SIMD_INFINITY; |
---|
1166 | dbvt.collideOCL(dbvt.m_root,&vectors[i],&offset,vectors[i],1,policy); |
---|
1167 | } |
---|
1168 | const int time=(int)wallclock.getTimeMilliseconds(); |
---|
1169 | const int t=cfgBenchmark13_Iterations; |
---|
1170 | printf("%u ms (%i%%),(%u t/s)\r\n",time,(time-cfgBenchmark13_Reference)*100/time,(t*1000)/time); |
---|
1171 | } |
---|
1172 | if(cfgBenchmark14_Enable) |
---|
1173 | {// Benchmark 14 |
---|
1174 | srand(380843); |
---|
1175 | btDbvt dbvt; |
---|
1176 | btAlignedObjectArray<btVector3> vectors; |
---|
1177 | btDbvtBenchmark::P14 policy; |
---|
1178 | vectors.resize(cfgBenchmark14_Iterations); |
---|
1179 | for(int i=0;i<vectors.size();++i) |
---|
1180 | { |
---|
1181 | vectors[i]=(btDbvtBenchmark::RandVector3()*2-btVector3(1,1,1)).normalized(); |
---|
1182 | } |
---|
1183 | btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); |
---|
1184 | dbvt.optimizeTopDown(); |
---|
1185 | policy.m_nodes.reserve(cfgLeaves); |
---|
1186 | printf("[14] culling(OCL+qsort): "); |
---|
1187 | wallclock.reset(); |
---|
1188 | for(int i=0;i<cfgBenchmark14_Iterations;++i) |
---|
1189 | { |
---|
1190 | static const btScalar offset=0; |
---|
1191 | policy.m_nodes.resize(0); |
---|
1192 | dbvt.collideOCL(dbvt.m_root,&vectors[i],&offset,vectors[i],1,policy,false); |
---|
1193 | policy.m_nodes.quickSort(btDbvtBenchmark::P14::sortfnc); |
---|
1194 | } |
---|
1195 | const int time=(int)wallclock.getTimeMilliseconds(); |
---|
1196 | const int t=cfgBenchmark14_Iterations; |
---|
1197 | printf("%u ms (%i%%),(%u t/s)\r\n",time,(time-cfgBenchmark14_Reference)*100/time,(t*1000)/time); |
---|
1198 | } |
---|
1199 | if(cfgBenchmark15_Enable) |
---|
1200 | {// Benchmark 15 |
---|
1201 | srand(380843); |
---|
1202 | btDbvt dbvt; |
---|
1203 | btAlignedObjectArray<btVector3> vectors; |
---|
1204 | btDbvtBenchmark::P15 policy; |
---|
1205 | vectors.resize(cfgBenchmark15_Iterations); |
---|
1206 | for(int i=0;i<vectors.size();++i) |
---|
1207 | { |
---|
1208 | vectors[i]=(btDbvtBenchmark::RandVector3()*2-btVector3(1,1,1)).normalized(); |
---|
1209 | } |
---|
1210 | btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); |
---|
1211 | dbvt.optimizeTopDown(); |
---|
1212 | policy.m_nodes.reserve(cfgLeaves); |
---|
1213 | printf("[15] culling(KDOP+qsort): "); |
---|
1214 | wallclock.reset(); |
---|
1215 | for(int i=0;i<cfgBenchmark15_Iterations;++i) |
---|
1216 | { |
---|
1217 | static const btScalar offset=0; |
---|
1218 | policy.m_nodes.resize(0); |
---|
1219 | policy.m_axis=vectors[i]; |
---|
1220 | dbvt.collideKDOP(dbvt.m_root,&vectors[i],&offset,1,policy); |
---|
1221 | policy.m_nodes.quickSort(btDbvtBenchmark::P15::sortfnc); |
---|
1222 | } |
---|
1223 | const int time=(int)wallclock.getTimeMilliseconds(); |
---|
1224 | const int t=cfgBenchmark15_Iterations; |
---|
1225 | printf("%u ms (%i%%),(%u t/s)\r\n",time,(time-cfgBenchmark15_Reference)*100/time,(t*1000)/time); |
---|
1226 | } |
---|
1227 | if(cfgBenchmark16_Enable) |
---|
1228 | {// Benchmark 16 |
---|
1229 | srand(380843); |
---|
1230 | btDbvt dbvt; |
---|
1231 | btAlignedObjectArray<btDbvtNode*> batch; |
---|
1232 | btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); |
---|
1233 | dbvt.optimizeTopDown(); |
---|
1234 | batch.reserve(cfgBenchmark16_BatchCount); |
---|
1235 | printf("[16] insert/remove batch(%u): ",cfgBenchmark16_BatchCount); |
---|
1236 | wallclock.reset(); |
---|
1237 | for(int i=0;i<cfgBenchmark16_Passes;++i) |
---|
1238 | { |
---|
1239 | for(int j=0;j<cfgBenchmark16_BatchCount;++j) |
---|
1240 | { |
---|
1241 | batch.push_back(dbvt.insert(btDbvtBenchmark::RandVolume(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale),0)); |
---|
1242 | } |
---|
1243 | for(int j=0;j<cfgBenchmark16_BatchCount;++j) |
---|
1244 | { |
---|
1245 | dbvt.remove(batch[j]); |
---|
1246 | } |
---|
1247 | batch.resize(0); |
---|
1248 | } |
---|
1249 | const int time=(int)wallclock.getTimeMilliseconds(); |
---|
1250 | const int ir=cfgBenchmark16_Passes*cfgBenchmark16_BatchCount; |
---|
1251 | printf("%u ms (%i%%),(%u bir/s)\r\n",time,(time-cfgBenchmark16_Reference)*100/time,int(ir*1000.0/time)); |
---|
1252 | } |
---|
1253 | if(cfgBenchmark17_Enable) |
---|
1254 | {// Benchmark 17 |
---|
1255 | srand(380843); |
---|
1256 | btAlignedObjectArray<btDbvtVolume> volumes; |
---|
1257 | btAlignedObjectArray<int> results; |
---|
1258 | btAlignedObjectArray<int> indices; |
---|
1259 | volumes.resize(cfgLeaves); |
---|
1260 | results.resize(cfgLeaves); |
---|
1261 | indices.resize(cfgLeaves); |
---|
1262 | for(int i=0;i<cfgLeaves;++i) |
---|
1263 | { |
---|
1264 | indices[i]=i; |
---|
1265 | volumes[i]=btDbvtBenchmark::RandVolume(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale); |
---|
1266 | } |
---|
1267 | for(int i=0;i<cfgLeaves;++i) |
---|
1268 | { |
---|
1269 | btSwap(indices[i],indices[rand()%cfgLeaves]); |
---|
1270 | } |
---|
1271 | printf("[17] btDbvtVolume select: "); |
---|
1272 | wallclock.reset(); |
---|
1273 | for(int i=0;i<cfgBenchmark17_Iterations;++i) |
---|
1274 | { |
---|
1275 | for(int j=0;j<cfgLeaves;++j) |
---|
1276 | { |
---|
1277 | for(int k=0;k<cfgLeaves;++k) |
---|
1278 | { |
---|
1279 | const int idx=indices[k]; |
---|
1280 | results[idx]=Select(volumes[idx],volumes[j],volumes[k]); |
---|
1281 | } |
---|
1282 | } |
---|
1283 | } |
---|
1284 | const int time=(int)wallclock.getTimeMilliseconds(); |
---|
1285 | printf("%u ms (%i%%)\r\n",time,(time-cfgBenchmark17_Reference)*100/time); |
---|
1286 | } |
---|
1287 | printf("\r\n\r\n"); |
---|
1288 | } |
---|
1289 | #endif |
---|