diff options
Diffstat (limited to 'thirdparty/bullet/BulletCollision/BroadphaseCollision/btDbvt.cpp')
| -rw-r--r-- | thirdparty/bullet/BulletCollision/BroadphaseCollision/btDbvt.cpp | 1329 |
1 files changed, 1329 insertions, 0 deletions
diff --git a/thirdparty/bullet/BulletCollision/BroadphaseCollision/btDbvt.cpp b/thirdparty/bullet/BulletCollision/BroadphaseCollision/btDbvt.cpp new file mode 100644 index 0000000000..d791d07418 --- /dev/null +++ b/thirdparty/bullet/BulletCollision/BroadphaseCollision/btDbvt.cpp @@ -0,0 +1,1329 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +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. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ +///btDbvt implementation by Nathanael Presson + +#include "btDbvt.h" + +// +typedef btAlignedObjectArray<btDbvtNode*> tNodeArray; +typedef btAlignedObjectArray<const btDbvtNode*> tConstNodeArray; + +// +struct btDbvtNodeEnumerator : btDbvt::ICollide +{ + tConstNodeArray nodes; + void Process(const btDbvtNode* n) { nodes.push_back(n); } +}; + +// +static DBVT_INLINE int indexof(const btDbvtNode* node) +{ + return(node->parent->childs[1]==node); +} + +// +static DBVT_INLINE btDbvtVolume merge( const btDbvtVolume& a, + const btDbvtVolume& b) +{ +#if (DBVT_MERGE_IMPL==DBVT_IMPL_SSE) + ATTRIBUTE_ALIGNED16( char locals[sizeof(btDbvtAabbMm)]); + btDbvtVolume* ptr = (btDbvtVolume*) locals; + btDbvtVolume& res=*ptr; +#else + btDbvtVolume res; +#endif + Merge(a,b,res); + return(res); +} + +// volume+edge lengths +static DBVT_INLINE btScalar size(const btDbvtVolume& a) +{ + const btVector3 edges=a.Lengths(); + return( edges.x()*edges.y()*edges.z()+ + edges.x()+edges.y()+edges.z()); +} + +// +static void getmaxdepth(const btDbvtNode* node,int depth,int& maxdepth) +{ + if(node->isinternal()) + { + getmaxdepth(node->childs[0],depth+1,maxdepth); + getmaxdepth(node->childs[1],depth+1,maxdepth); + } else maxdepth=btMax(maxdepth,depth); +} + +// +static DBVT_INLINE void deletenode( btDbvt* pdbvt, + btDbvtNode* node) +{ + btAlignedFree(pdbvt->m_free); + pdbvt->m_free=node; +} + +// +static void recursedeletenode( btDbvt* pdbvt, + btDbvtNode* node) +{ + if(!node->isleaf()) + { + recursedeletenode(pdbvt,node->childs[0]); + recursedeletenode(pdbvt,node->childs[1]); + } + if(node==pdbvt->m_root) pdbvt->m_root=0; + deletenode(pdbvt,node); +} + +// +static DBVT_INLINE btDbvtNode* createnode( btDbvt* pdbvt, + btDbvtNode* parent, + void* data) +{ + btDbvtNode* node; + if(pdbvt->m_free) + { node=pdbvt->m_free;pdbvt->m_free=0; } + else + { node=new(btAlignedAlloc(sizeof(btDbvtNode),16)) btDbvtNode(); } + node->parent = parent; + node->data = data; + node->childs[1] = 0; + return(node); +} + +// +static DBVT_INLINE btDbvtNode* createnode( btDbvt* pdbvt, + btDbvtNode* parent, + const btDbvtVolume& volume, + void* data) +{ + btDbvtNode* node=createnode(pdbvt,parent,data); + node->volume=volume; + return(node); +} + +// +static DBVT_INLINE btDbvtNode* createnode( btDbvt* pdbvt, + btDbvtNode* parent, + const btDbvtVolume& volume0, + const btDbvtVolume& volume1, + void* data) +{ + btDbvtNode* node=createnode(pdbvt,parent,data); + Merge(volume0,volume1,node->volume); + return(node); +} + +// +static void insertleaf( btDbvt* pdbvt, + btDbvtNode* root, + btDbvtNode* leaf) +{ + if(!pdbvt->m_root) + { + pdbvt->m_root = leaf; + leaf->parent = 0; + } + else + { + if(!root->isleaf()) + { + do { + root=root->childs[Select( leaf->volume, + root->childs[0]->volume, + root->childs[1]->volume)]; + } while(!root->isleaf()); + } + btDbvtNode* prev=root->parent; + btDbvtNode* node=createnode(pdbvt,prev,leaf->volume,root->volume,0); + if(prev) + { + prev->childs[indexof(root)] = node; + node->childs[0] = root;root->parent=node; + node->childs[1] = leaf;leaf->parent=node; + do { + if(!prev->volume.Contain(node->volume)) + Merge(prev->childs[0]->volume,prev->childs[1]->volume,prev->volume); + else + break; + node=prev; + } while(0!=(prev=node->parent)); + } + else + { + node->childs[0] = root;root->parent=node; + node->childs[1] = leaf;leaf->parent=node; + pdbvt->m_root = node; + } + } +} + +// +static btDbvtNode* removeleaf( btDbvt* pdbvt, + btDbvtNode* leaf) +{ + if(leaf==pdbvt->m_root) + { + pdbvt->m_root=0; + return(0); + } + else + { + btDbvtNode* parent=leaf->parent; + btDbvtNode* prev=parent->parent; + btDbvtNode* sibling=parent->childs[1-indexof(leaf)]; + if(prev) + { + prev->childs[indexof(parent)]=sibling; + sibling->parent=prev; + deletenode(pdbvt,parent); + while(prev) + { + const btDbvtVolume pb=prev->volume; + Merge(prev->childs[0]->volume,prev->childs[1]->volume,prev->volume); + if(NotEqual(pb,prev->volume)) + { + prev=prev->parent; + } else break; + } + return(prev?prev:pdbvt->m_root); + } + else + { + pdbvt->m_root=sibling; + sibling->parent=0; + deletenode(pdbvt,parent); + return(pdbvt->m_root); + } + } +} + +// +static void fetchleaves(btDbvt* pdbvt, + btDbvtNode* root, + tNodeArray& leaves, + int depth=-1) +{ + if(root->isinternal()&&depth) + { + fetchleaves(pdbvt,root->childs[0],leaves,depth-1); + fetchleaves(pdbvt,root->childs[1],leaves,depth-1); + deletenode(pdbvt,root); + } + else + { + leaves.push_back(root); + } +} + +// +static bool leftOfAxis( const btDbvtNode* node, + const btVector3& org, + const btVector3& axis) +{ + return btDot(axis, node->volume.Center() - org) <= 0; +} + + +// Partitions leaves such that leaves[0, n) are on the +// left of axis, and leaves[n, count) are on the right +// of axis. returns N. +static int split( btDbvtNode** leaves, + int count, + const btVector3& org, + const btVector3& axis) +{ + int begin=0; + int end=count; + for(;;) + { + while(begin!=end && leftOfAxis(leaves[begin],org,axis)) + { + ++begin; + } + + if(begin==end) + { + break; + } + + while(begin!=end && !leftOfAxis(leaves[end-1],org,axis)) + { + --end; + } + + if(begin==end) + { + break; + } + + // swap out of place nodes + --end; + btDbvtNode* temp=leaves[begin]; + leaves[begin]=leaves[end]; + leaves[end]=temp; + ++begin; + } + + return begin; +} + +// +static btDbvtVolume bounds( btDbvtNode** leaves, + int count) +{ +#if DBVT_MERGE_IMPL==DBVT_IMPL_SSE + ATTRIBUTE_ALIGNED16(char locals[sizeof(btDbvtVolume)]); + btDbvtVolume* ptr = (btDbvtVolume*) locals; + btDbvtVolume& volume=*ptr; + volume=leaves[0]->volume; +#else + btDbvtVolume volume=leaves[0]->volume; +#endif + for(int i=1,ni=count;i<ni;++i) + { + Merge(volume,leaves[i]->volume,volume); + } + return(volume); +} + +// +static void bottomup( btDbvt* pdbvt, + btDbvtNode** leaves, + int count) +{ + while(count>1) + { + btScalar minsize=SIMD_INFINITY; + int minidx[2]={-1,-1}; + for(int i=0;i<count;++i) + { + for(int j=i+1;j<count;++j) + { + const btScalar sz=size(merge(leaves[i]->volume,leaves[j]->volume)); + if(sz<minsize) + { + minsize = sz; + minidx[0] = i; + minidx[1] = j; + } + } + } + btDbvtNode* n[] = {leaves[minidx[0]],leaves[minidx[1]]}; + btDbvtNode* p = createnode(pdbvt,0,n[0]->volume,n[1]->volume,0); + p->childs[0] = n[0]; + p->childs[1] = n[1]; + n[0]->parent = p; + n[1]->parent = p; + leaves[minidx[0]] = p; + leaves[minidx[1]] = leaves[count-1]; + --count; + } +} + +// +static btDbvtNode* topdown(btDbvt* pdbvt, + btDbvtNode** leaves, + int count, + int bu_treshold) +{ + static const btVector3 axis[]={btVector3(1,0,0), + btVector3(0,1,0), + btVector3(0,0,1)}; + btAssert(bu_treshold>2); + if(count>1) + { + if(count>bu_treshold) + { + const btDbvtVolume vol=bounds(leaves,count); + const btVector3 org=vol.Center(); + int partition; + int bestaxis=-1; + int bestmidp=count; + int splitcount[3][2]={{0,0},{0,0},{0,0}}; + int i; + for( i=0;i<count;++i) + { + const btVector3 x=leaves[i]->volume.Center()-org; + for(int j=0;j<3;++j) + { + ++splitcount[j][btDot(x,axis[j])>0?1:0]; + } + } + for( i=0;i<3;++i) + { + if((splitcount[i][0]>0)&&(splitcount[i][1]>0)) + { + const int midp=(int)btFabs(btScalar(splitcount[i][0]-splitcount[i][1])); + if(midp<bestmidp) + { + bestaxis=i; + bestmidp=midp; + } + } + } + if(bestaxis>=0) + { + partition=split(leaves,count,org,axis[bestaxis]); + btAssert(partition!=0 && partition!=count); + } + else + { + partition=count/2+1; + } + btDbvtNode* node=createnode(pdbvt,0,vol,0); + node->childs[0]=topdown(pdbvt,&leaves[0],partition,bu_treshold); + node->childs[1]=topdown(pdbvt,&leaves[partition],count-partition,bu_treshold); + node->childs[0]->parent=node; + node->childs[1]->parent=node; + return(node); + } + else + { + bottomup(pdbvt,leaves,count); + return(leaves[0]); + } + } + return(leaves[0]); +} + +// +static DBVT_INLINE btDbvtNode* sort(btDbvtNode* n,btDbvtNode*& r) +{ + btDbvtNode* p=n->parent; + btAssert(n->isinternal()); + if(p>n) + { + const int i=indexof(n); + const int j=1-i; + btDbvtNode* s=p->childs[j]; + btDbvtNode* q=p->parent; + btAssert(n==p->childs[i]); + if(q) q->childs[indexof(p)]=n; else r=n; + s->parent=n; + p->parent=n; + n->parent=q; + p->childs[0]=n->childs[0]; + p->childs[1]=n->childs[1]; + n->childs[0]->parent=p; + n->childs[1]->parent=p; + n->childs[i]=p; + n->childs[j]=s; + btSwap(p->volume,n->volume); + return(p); + } + return(n); +} + +#if 0 +static DBVT_INLINE btDbvtNode* walkup(btDbvtNode* n,int count) +{ + while(n&&(count--)) n=n->parent; + return(n); +} +#endif + +// +// Api +// + +// +btDbvt::btDbvt() +{ + m_root = 0; + m_free = 0; + m_lkhd = -1; + m_leaves = 0; + m_opath = 0; +} + +// +btDbvt::~btDbvt() +{ + clear(); +} + +// +void btDbvt::clear() +{ + if(m_root) + recursedeletenode(this,m_root); + btAlignedFree(m_free); + m_free=0; + m_lkhd = -1; + m_stkStack.clear(); + m_opath = 0; + +} + +// +void btDbvt::optimizeBottomUp() +{ + if(m_root) + { + tNodeArray leaves; + leaves.reserve(m_leaves); + fetchleaves(this,m_root,leaves); + bottomup(this,&leaves[0],leaves.size()); + m_root=leaves[0]; + } +} + +// +void btDbvt::optimizeTopDown(int bu_treshold) +{ + if(m_root) + { + tNodeArray leaves; + leaves.reserve(m_leaves); + fetchleaves(this,m_root,leaves); + m_root=topdown(this,&leaves[0],leaves.size(),bu_treshold); + } +} + +// +void btDbvt::optimizeIncremental(int passes) +{ + if(passes<0) passes=m_leaves; + if(m_root&&(passes>0)) + { + do { + btDbvtNode* node=m_root; + unsigned bit=0; + while(node->isinternal()) + { + node=sort(node,m_root)->childs[(m_opath>>bit)&1]; + bit=(bit+1)&(sizeof(unsigned)*8-1); + } + update(node); + ++m_opath; + } while(--passes); + } +} + +// +btDbvtNode* btDbvt::insert(const btDbvtVolume& volume,void* data) +{ + btDbvtNode* leaf=createnode(this,0,volume,data); + insertleaf(this,m_root,leaf); + ++m_leaves; + return(leaf); +} + +// +void btDbvt::update(btDbvtNode* leaf,int lookahead) +{ + btDbvtNode* root=removeleaf(this,leaf); + if(root) + { + if(lookahead>=0) + { + for(int i=0;(i<lookahead)&&root->parent;++i) + { + root=root->parent; + } + } else root=m_root; + } + insertleaf(this,root,leaf); +} + +// +void btDbvt::update(btDbvtNode* leaf,btDbvtVolume& volume) +{ + btDbvtNode* root=removeleaf(this,leaf); + if(root) + { + if(m_lkhd>=0) + { + for(int i=0;(i<m_lkhd)&&root->parent;++i) + { + root=root->parent; + } + } else root=m_root; + } + leaf->volume=volume; + insertleaf(this,root,leaf); +} + +// +bool btDbvt::update(btDbvtNode* leaf,btDbvtVolume& volume,const btVector3& velocity,btScalar margin) +{ + if(leaf->volume.Contain(volume)) return(false); + volume.Expand(btVector3(margin,margin,margin)); + volume.SignedExpand(velocity); + update(leaf,volume); + return(true); +} + +// +bool btDbvt::update(btDbvtNode* leaf,btDbvtVolume& volume,const btVector3& velocity) +{ + if(leaf->volume.Contain(volume)) return(false); + volume.SignedExpand(velocity); + update(leaf,volume); + return(true); +} + +// +bool btDbvt::update(btDbvtNode* leaf,btDbvtVolume& volume,btScalar margin) +{ + if(leaf->volume.Contain(volume)) return(false); + volume.Expand(btVector3(margin,margin,margin)); + update(leaf,volume); + return(true); +} + +// +void btDbvt::remove(btDbvtNode* leaf) +{ + removeleaf(this,leaf); + deletenode(this,leaf); + --m_leaves; +} + +// +void btDbvt::write(IWriter* iwriter) const +{ + btDbvtNodeEnumerator nodes; + nodes.nodes.reserve(m_leaves*2); + enumNodes(m_root,nodes); + iwriter->Prepare(m_root,nodes.nodes.size()); + for(int i=0;i<nodes.nodes.size();++i) + { + const btDbvtNode* n=nodes.nodes[i]; + int p=-1; + if(n->parent) p=nodes.nodes.findLinearSearch(n->parent); + if(n->isinternal()) + { + const int c0=nodes.nodes.findLinearSearch(n->childs[0]); + const int c1=nodes.nodes.findLinearSearch(n->childs[1]); + iwriter->WriteNode(n,i,p,c0,c1); + } + else + { + iwriter->WriteLeaf(n,i,p); + } + } +} + +// +void btDbvt::clone(btDbvt& dest,IClone* iclone) const +{ + dest.clear(); + if(m_root!=0) + { + btAlignedObjectArray<sStkCLN> stack; + stack.reserve(m_leaves); + stack.push_back(sStkCLN(m_root,0)); + do { + const int i=stack.size()-1; + const sStkCLN e=stack[i]; + btDbvtNode* n=createnode(&dest,e.parent,e.node->volume,e.node->data); + stack.pop_back(); + if(e.parent!=0) + e.parent->childs[i&1]=n; + else + dest.m_root=n; + if(e.node->isinternal()) + { + stack.push_back(sStkCLN(e.node->childs[0],n)); + stack.push_back(sStkCLN(e.node->childs[1],n)); + } + else + { + iclone->CloneLeaf(n); + } + } while(stack.size()>0); + } +} + +// +int btDbvt::maxdepth(const btDbvtNode* node) +{ + int depth=0; + if(node) getmaxdepth(node,1,depth); + return(depth); +} + +// +int btDbvt::countLeaves(const btDbvtNode* node) +{ + if(node->isinternal()) + return(countLeaves(node->childs[0])+countLeaves(node->childs[1])); + else + return(1); +} + +// +void btDbvt::extractLeaves(const btDbvtNode* node,btAlignedObjectArray<const btDbvtNode*>& leaves) +{ + if(node->isinternal()) + { + extractLeaves(node->childs[0],leaves); + extractLeaves(node->childs[1],leaves); + } + else + { + leaves.push_back(node); + } +} + +// +#if DBVT_ENABLE_BENCHMARK + +#include <stdio.h> +#include <stdlib.h> +#include "LinearMath/btQuickProf.h" + +/* +q6600,2.4ghz + +/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" +/GF /FD /MT /GS- /Gy /arch:SSE2 /Zc:wchar_t- /Fp"..\..\out\release8\build\libbulletcollision\libbulletcollision.pch" +/Fo"..\..\out\release8\build\libbulletcollision\\" +/Fd"..\..\out\release8\build\libbulletcollision\bulletcollision.pdb" +/W3 /nologo /c /Wp64 /Zi /errorReport:prompt + +Benchmarking dbvt... +World scale: 100.000000 +Extents base: 1.000000 +Extents range: 4.000000 +Leaves: 8192 +sizeof(btDbvtVolume): 32 bytes +sizeof(btDbvtNode): 44 bytes +[1] btDbvtVolume intersections: 3499 ms (-1%) +[2] btDbvtVolume merges: 1934 ms (0%) +[3] btDbvt::collideTT: 5485 ms (-21%) +[4] btDbvt::collideTT self: 2814 ms (-20%) +[5] btDbvt::collideTT xform: 7379 ms (-1%) +[6] btDbvt::collideTT xform,self: 7270 ms (-2%) +[7] btDbvt::rayTest: 6314 ms (0%),(332143 r/s) +[8] insert/remove: 2093 ms (0%),(1001983 ir/s) +[9] updates (teleport): 1879 ms (-3%),(1116100 u/s) +[10] updates (jitter): 1244 ms (-4%),(1685813 u/s) +[11] optimize (incremental): 2514 ms (0%),(1668000 o/s) +[12] btDbvtVolume notequal: 3659 ms (0%) +[13] culling(OCL+fullsort): 2218 ms (0%),(461 t/s) +[14] culling(OCL+qsort): 3688 ms (5%),(2221 t/s) +[15] culling(KDOP+qsort): 1139 ms (-1%),(7192 t/s) +[16] insert/remove batch(256): 5092 ms (0%),(823704 bir/s) +[17] btDbvtVolume select: 3419 ms (0%) +*/ + +struct btDbvtBenchmark +{ + struct NilPolicy : btDbvt::ICollide + { + NilPolicy() : m_pcount(0),m_depth(-SIMD_INFINITY),m_checksort(true) {} + void Process(const btDbvtNode*,const btDbvtNode*) { ++m_pcount; } + void Process(const btDbvtNode*) { ++m_pcount; } + void Process(const btDbvtNode*,btScalar depth) + { + ++m_pcount; + if(m_checksort) + { if(depth>=m_depth) m_depth=depth; else printf("wrong depth: %f (should be >= %f)\r\n",depth,m_depth); } + } + int m_pcount; + btScalar m_depth; + bool m_checksort; + }; + struct P14 : btDbvt::ICollide + { + struct Node + { + const btDbvtNode* leaf; + btScalar depth; + }; + void Process(const btDbvtNode* leaf,btScalar depth) + { + Node n; + n.leaf = leaf; + n.depth = depth; + } + static int sortfnc(const Node& a,const Node& b) + { + if(a.depth<b.depth) return(+1); + if(a.depth>b.depth) return(-1); + return(0); + } + btAlignedObjectArray<Node> m_nodes; + }; + struct P15 : btDbvt::ICollide + { + struct Node + { + const btDbvtNode* leaf; + btScalar depth; + }; + void Process(const btDbvtNode* leaf) + { + Node n; + n.leaf = leaf; + n.depth = dot(leaf->volume.Center(),m_axis); + } + static int sortfnc(const Node& a,const Node& b) + { + if(a.depth<b.depth) return(+1); + if(a.depth>b.depth) return(-1); + return(0); + } + btAlignedObjectArray<Node> m_nodes; + btVector3 m_axis; + }; + static btScalar RandUnit() + { + return(rand()/(btScalar)RAND_MAX); + } + static btVector3 RandVector3() + { + return(btVector3(RandUnit(),RandUnit(),RandUnit())); + } + static btVector3 RandVector3(btScalar cs) + { + return(RandVector3()*cs-btVector3(cs,cs,cs)/2); + } + static btDbvtVolume RandVolume(btScalar cs,btScalar eb,btScalar es) + { + return(btDbvtVolume::FromCE(RandVector3(cs),btVector3(eb,eb,eb)+RandVector3()*es)); + } + static btTransform RandTransform(btScalar cs) + { + btTransform t; + t.setOrigin(RandVector3(cs)); + t.setRotation(btQuaternion(RandUnit()*SIMD_PI*2,RandUnit()*SIMD_PI*2,RandUnit()*SIMD_PI*2).normalized()); + return(t); + } + static void RandTree(btScalar cs,btScalar eb,btScalar es,int leaves,btDbvt& dbvt) + { + dbvt.clear(); + for(int i=0;i<leaves;++i) + { + dbvt.insert(RandVolume(cs,eb,es),0); + } + } +}; + +void btDbvt::benchmark() +{ + static const btScalar cfgVolumeCenterScale = 100; + static const btScalar cfgVolumeExentsBase = 1; + static const btScalar cfgVolumeExentsScale = 4; + static const int cfgLeaves = 8192; + static const bool cfgEnable = true; + + //[1] btDbvtVolume intersections + bool cfgBenchmark1_Enable = cfgEnable; + static const int cfgBenchmark1_Iterations = 8; + static const int cfgBenchmark1_Reference = 3499; + //[2] btDbvtVolume merges + bool cfgBenchmark2_Enable = cfgEnable; + static const int cfgBenchmark2_Iterations = 4; + static const int cfgBenchmark2_Reference = 1945; + //[3] btDbvt::collideTT + bool cfgBenchmark3_Enable = cfgEnable; + static const int cfgBenchmark3_Iterations = 512; + static const int cfgBenchmark3_Reference = 5485; + //[4] btDbvt::collideTT self + bool cfgBenchmark4_Enable = cfgEnable; + static const int cfgBenchmark4_Iterations = 512; + static const int cfgBenchmark4_Reference = 2814; + //[5] btDbvt::collideTT xform + bool cfgBenchmark5_Enable = cfgEnable; + static const int cfgBenchmark5_Iterations = 512; + static const btScalar cfgBenchmark5_OffsetScale = 2; + static const int cfgBenchmark5_Reference = 7379; + //[6] btDbvt::collideTT xform,self + bool cfgBenchmark6_Enable = cfgEnable; + static const int cfgBenchmark6_Iterations = 512; + static const btScalar cfgBenchmark6_OffsetScale = 2; + static const int cfgBenchmark6_Reference = 7270; + //[7] btDbvt::rayTest + bool cfgBenchmark7_Enable = cfgEnable; + static const int cfgBenchmark7_Passes = 32; + static const int cfgBenchmark7_Iterations = 65536; + static const int cfgBenchmark7_Reference = 6307; + //[8] insert/remove + bool cfgBenchmark8_Enable = cfgEnable; + static const int cfgBenchmark8_Passes = 32; + static const int cfgBenchmark8_Iterations = 65536; + static const int cfgBenchmark8_Reference = 2105; + //[9] updates (teleport) + bool cfgBenchmark9_Enable = cfgEnable; + static const int cfgBenchmark9_Passes = 32; + static const int cfgBenchmark9_Iterations = 65536; + static const int cfgBenchmark9_Reference = 1879; + //[10] updates (jitter) + bool cfgBenchmark10_Enable = cfgEnable; + static const btScalar cfgBenchmark10_Scale = cfgVolumeCenterScale/10000; + static const int cfgBenchmark10_Passes = 32; + static const int cfgBenchmark10_Iterations = 65536; + static const int cfgBenchmark10_Reference = 1244; + //[11] optimize (incremental) + bool cfgBenchmark11_Enable = cfgEnable; + static const int cfgBenchmark11_Passes = 64; + static const int cfgBenchmark11_Iterations = 65536; + static const int cfgBenchmark11_Reference = 2510; + //[12] btDbvtVolume notequal + bool cfgBenchmark12_Enable = cfgEnable; + static const int cfgBenchmark12_Iterations = 32; + static const int cfgBenchmark12_Reference = 3677; + //[13] culling(OCL+fullsort) + bool cfgBenchmark13_Enable = cfgEnable; + static const int cfgBenchmark13_Iterations = 1024; + static const int cfgBenchmark13_Reference = 2231; + //[14] culling(OCL+qsort) + bool cfgBenchmark14_Enable = cfgEnable; + static const int cfgBenchmark14_Iterations = 8192; + static const int cfgBenchmark14_Reference = 3500; + //[15] culling(KDOP+qsort) + bool cfgBenchmark15_Enable = cfgEnable; + static const int cfgBenchmark15_Iterations = 8192; + static const int cfgBenchmark15_Reference = 1151; + //[16] insert/remove batch + bool cfgBenchmark16_Enable = cfgEnable; + static const int cfgBenchmark16_BatchCount = 256; + static const int cfgBenchmark16_Passes = 16384; + static const int cfgBenchmark16_Reference = 5138; + //[17] select + bool cfgBenchmark17_Enable = cfgEnable; + static const int cfgBenchmark17_Iterations = 4; + static const int cfgBenchmark17_Reference = 3390; + + btClock wallclock; + printf("Benchmarking dbvt...\r\n"); + printf("\tWorld scale: %f\r\n",cfgVolumeCenterScale); + printf("\tExtents base: %f\r\n",cfgVolumeExentsBase); + printf("\tExtents range: %f\r\n",cfgVolumeExentsScale); + printf("\tLeaves: %u\r\n",cfgLeaves); + printf("\tsizeof(btDbvtVolume): %u bytes\r\n",sizeof(btDbvtVolume)); + printf("\tsizeof(btDbvtNode): %u bytes\r\n",sizeof(btDbvtNode)); + if(cfgBenchmark1_Enable) + {// Benchmark 1 + srand(380843); + btAlignedObjectArray<btDbvtVolume> volumes; + btAlignedObjectArray<bool> results; + volumes.resize(cfgLeaves); + results.resize(cfgLeaves); + for(int i=0;i<cfgLeaves;++i) + { + volumes[i]=btDbvtBenchmark::RandVolume(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale); + } + printf("[1] btDbvtVolume intersections: "); + wallclock.reset(); + for(int i=0;i<cfgBenchmark1_Iterations;++i) + { + for(int j=0;j<cfgLeaves;++j) + { + for(int k=0;k<cfgLeaves;++k) + { + results[k]=Intersect(volumes[j],volumes[k]); + } + } + } + const int time=(int)wallclock.getTimeMilliseconds(); + printf("%u ms (%i%%)\r\n",time,(time-cfgBenchmark1_Reference)*100/time); + } + if(cfgBenchmark2_Enable) + {// Benchmark 2 + srand(380843); + btAlignedObjectArray<btDbvtVolume> volumes; + btAlignedObjectArray<btDbvtVolume> results; + volumes.resize(cfgLeaves); + results.resize(cfgLeaves); + for(int i=0;i<cfgLeaves;++i) + { + volumes[i]=btDbvtBenchmark::RandVolume(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale); + } + printf("[2] btDbvtVolume merges: "); + wallclock.reset(); + for(int i=0;i<cfgBenchmark2_Iterations;++i) + { + for(int j=0;j<cfgLeaves;++j) + { + for(int k=0;k<cfgLeaves;++k) + { + Merge(volumes[j],volumes[k],results[k]); + } + } + } + const int time=(int)wallclock.getTimeMilliseconds(); + printf("%u ms (%i%%)\r\n",time,(time-cfgBenchmark2_Reference)*100/time); + } + if(cfgBenchmark3_Enable) + {// Benchmark 3 + srand(380843); + btDbvt dbvt[2]; + btDbvtBenchmark::NilPolicy policy; + btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt[0]); + btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt[1]); + dbvt[0].optimizeTopDown(); + dbvt[1].optimizeTopDown(); + printf("[3] btDbvt::collideTT: "); + wallclock.reset(); + for(int i=0;i<cfgBenchmark3_Iterations;++i) + { + btDbvt::collideTT(dbvt[0].m_root,dbvt[1].m_root,policy); + } + const int time=(int)wallclock.getTimeMilliseconds(); + printf("%u ms (%i%%)\r\n",time,(time-cfgBenchmark3_Reference)*100/time); + } + if(cfgBenchmark4_Enable) + {// Benchmark 4 + srand(380843); + btDbvt dbvt; + btDbvtBenchmark::NilPolicy policy; + btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); + dbvt.optimizeTopDown(); + printf("[4] btDbvt::collideTT self: "); + wallclock.reset(); + for(int i=0;i<cfgBenchmark4_Iterations;++i) + { + btDbvt::collideTT(dbvt.m_root,dbvt.m_root,policy); + } + const int time=(int)wallclock.getTimeMilliseconds(); + printf("%u ms (%i%%)\r\n",time,(time-cfgBenchmark4_Reference)*100/time); + } + if(cfgBenchmark5_Enable) + {// Benchmark 5 + srand(380843); + btDbvt dbvt[2]; + btAlignedObjectArray<btTransform> transforms; + btDbvtBenchmark::NilPolicy policy; + transforms.resize(cfgBenchmark5_Iterations); + for(int i=0;i<transforms.size();++i) + { + transforms[i]=btDbvtBenchmark::RandTransform(cfgVolumeCenterScale*cfgBenchmark5_OffsetScale); + } + btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt[0]); + btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt[1]); + dbvt[0].optimizeTopDown(); + dbvt[1].optimizeTopDown(); + printf("[5] btDbvt::collideTT xform: "); + wallclock.reset(); + for(int i=0;i<cfgBenchmark5_Iterations;++i) + { + btDbvt::collideTT(dbvt[0].m_root,dbvt[1].m_root,transforms[i],policy); + } + const int time=(int)wallclock.getTimeMilliseconds(); + printf("%u ms (%i%%)\r\n",time,(time-cfgBenchmark5_Reference)*100/time); + } + if(cfgBenchmark6_Enable) + {// Benchmark 6 + srand(380843); + btDbvt dbvt; + btAlignedObjectArray<btTransform> transforms; + btDbvtBenchmark::NilPolicy policy; + transforms.resize(cfgBenchmark6_Iterations); + for(int i=0;i<transforms.size();++i) + { + transforms[i]=btDbvtBenchmark::RandTransform(cfgVolumeCenterScale*cfgBenchmark6_OffsetScale); + } + btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); + dbvt.optimizeTopDown(); + printf("[6] btDbvt::collideTT xform,self: "); + wallclock.reset(); + for(int i=0;i<cfgBenchmark6_Iterations;++i) + { + btDbvt::collideTT(dbvt.m_root,dbvt.m_root,transforms[i],policy); + } + const int time=(int)wallclock.getTimeMilliseconds(); + printf("%u ms (%i%%)\r\n",time,(time-cfgBenchmark6_Reference)*100/time); + } + if(cfgBenchmark7_Enable) + {// Benchmark 7 + srand(380843); + btDbvt dbvt; + btAlignedObjectArray<btVector3> rayorg; + btAlignedObjectArray<btVector3> raydir; + btDbvtBenchmark::NilPolicy policy; + rayorg.resize(cfgBenchmark7_Iterations); + raydir.resize(cfgBenchmark7_Iterations); + for(int i=0;i<rayorg.size();++i) + { + rayorg[i]=btDbvtBenchmark::RandVector3(cfgVolumeCenterScale*2); + raydir[i]=btDbvtBenchmark::RandVector3(cfgVolumeCenterScale*2); + } + btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); + dbvt.optimizeTopDown(); + printf("[7] btDbvt::rayTest: "); + wallclock.reset(); + for(int i=0;i<cfgBenchmark7_Passes;++i) + { + for(int j=0;j<cfgBenchmark7_Iterations;++j) + { + btDbvt::rayTest(dbvt.m_root,rayorg[j],rayorg[j]+raydir[j],policy); + } + } + const int time=(int)wallclock.getTimeMilliseconds(); + unsigned rays=cfgBenchmark7_Passes*cfgBenchmark7_Iterations; + printf("%u ms (%i%%),(%u r/s)\r\n",time,(time-cfgBenchmark7_Reference)*100/time,(rays*1000)/time); + } + if(cfgBenchmark8_Enable) + {// Benchmark 8 + srand(380843); + btDbvt dbvt; + btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); + dbvt.optimizeTopDown(); + printf("[8] insert/remove: "); + wallclock.reset(); + for(int i=0;i<cfgBenchmark8_Passes;++i) + { + for(int j=0;j<cfgBenchmark8_Iterations;++j) + { + dbvt.remove(dbvt.insert(btDbvtBenchmark::RandVolume(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale),0)); + } + } + const int time=(int)wallclock.getTimeMilliseconds(); + const int ir=cfgBenchmark8_Passes*cfgBenchmark8_Iterations; + printf("%u ms (%i%%),(%u ir/s)\r\n",time,(time-cfgBenchmark8_Reference)*100/time,ir*1000/time); + } + if(cfgBenchmark9_Enable) + {// Benchmark 9 + srand(380843); + btDbvt dbvt; + btAlignedObjectArray<const btDbvtNode*> leaves; + btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); + dbvt.optimizeTopDown(); + dbvt.extractLeaves(dbvt.m_root,leaves); + printf("[9] updates (teleport): "); + wallclock.reset(); + for(int i=0;i<cfgBenchmark9_Passes;++i) + { + for(int j=0;j<cfgBenchmark9_Iterations;++j) + { + dbvt.update(const_cast<btDbvtNode*>(leaves[rand()%cfgLeaves]), + btDbvtBenchmark::RandVolume(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale)); + } + } + const int time=(int)wallclock.getTimeMilliseconds(); + const int up=cfgBenchmark9_Passes*cfgBenchmark9_Iterations; + printf("%u ms (%i%%),(%u u/s)\r\n",time,(time-cfgBenchmark9_Reference)*100/time,up*1000/time); + } + if(cfgBenchmark10_Enable) + {// Benchmark 10 + srand(380843); + btDbvt dbvt; + btAlignedObjectArray<const btDbvtNode*> leaves; + btAlignedObjectArray<btVector3> vectors; + vectors.resize(cfgBenchmark10_Iterations); + for(int i=0;i<vectors.size();++i) + { + vectors[i]=(btDbvtBenchmark::RandVector3()*2-btVector3(1,1,1))*cfgBenchmark10_Scale; + } + btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); + dbvt.optimizeTopDown(); + dbvt.extractLeaves(dbvt.m_root,leaves); + printf("[10] updates (jitter): "); + wallclock.reset(); + + for(int i=0;i<cfgBenchmark10_Passes;++i) + { + for(int j=0;j<cfgBenchmark10_Iterations;++j) + { + const btVector3& d=vectors[j]; + btDbvtNode* l=const_cast<btDbvtNode*>(leaves[rand()%cfgLeaves]); + btDbvtVolume v=btDbvtVolume::FromMM(l->volume.Mins()+d,l->volume.Maxs()+d); + dbvt.update(l,v); + } + } + const int time=(int)wallclock.getTimeMilliseconds(); + const int up=cfgBenchmark10_Passes*cfgBenchmark10_Iterations; + printf("%u ms (%i%%),(%u u/s)\r\n",time,(time-cfgBenchmark10_Reference)*100/time,up*1000/time); + } + if(cfgBenchmark11_Enable) + {// Benchmark 11 + srand(380843); + btDbvt dbvt; + btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); + dbvt.optimizeTopDown(); + printf("[11] optimize (incremental): "); + wallclock.reset(); + for(int i=0;i<cfgBenchmark11_Passes;++i) + { + dbvt.optimizeIncremental(cfgBenchmark11_Iterations); + } + const int time=(int)wallclock.getTimeMilliseconds(); + const int op=cfgBenchmark11_Passes*cfgBenchmark11_Iterations; + printf("%u ms (%i%%),(%u o/s)\r\n",time,(time-cfgBenchmark11_Reference)*100/time,op/time*1000); + } + if(cfgBenchmark12_Enable) + {// Benchmark 12 + srand(380843); + btAlignedObjectArray<btDbvtVolume> volumes; + btAlignedObjectArray<bool> results; + volumes.resize(cfgLeaves); + results.resize(cfgLeaves); + for(int i=0;i<cfgLeaves;++i) + { + volumes[i]=btDbvtBenchmark::RandVolume(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale); + } + printf("[12] btDbvtVolume notequal: "); + wallclock.reset(); + for(int i=0;i<cfgBenchmark12_Iterations;++i) + { + for(int j=0;j<cfgLeaves;++j) + { + for(int k=0;k<cfgLeaves;++k) + { + results[k]=NotEqual(volumes[j],volumes[k]); + } + } + } + const int time=(int)wallclock.getTimeMilliseconds(); + printf("%u ms (%i%%)\r\n",time,(time-cfgBenchmark12_Reference)*100/time); + } + if(cfgBenchmark13_Enable) + {// Benchmark 13 + srand(380843); + btDbvt dbvt; + btAlignedObjectArray<btVector3> vectors; + btDbvtBenchmark::NilPolicy policy; + vectors.resize(cfgBenchmark13_Iterations); + for(int i=0;i<vectors.size();++i) + { + vectors[i]=(btDbvtBenchmark::RandVector3()*2-btVector3(1,1,1)).normalized(); + } + btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); + dbvt.optimizeTopDown(); + printf("[13] culling(OCL+fullsort): "); + wallclock.reset(); + for(int i=0;i<cfgBenchmark13_Iterations;++i) + { + static const btScalar offset=0; + policy.m_depth=-SIMD_INFINITY; + dbvt.collideOCL(dbvt.m_root,&vectors[i],&offset,vectors[i],1,policy); + } + const int time=(int)wallclock.getTimeMilliseconds(); + const int t=cfgBenchmark13_Iterations; + printf("%u ms (%i%%),(%u t/s)\r\n",time,(time-cfgBenchmark13_Reference)*100/time,(t*1000)/time); + } + if(cfgBenchmark14_Enable) + {// Benchmark 14 + srand(380843); + btDbvt dbvt; + btAlignedObjectArray<btVector3> vectors; + btDbvtBenchmark::P14 policy; + vectors.resize(cfgBenchmark14_Iterations); + for(int i=0;i<vectors.size();++i) + { + vectors[i]=(btDbvtBenchmark::RandVector3()*2-btVector3(1,1,1)).normalized(); + } + btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); + dbvt.optimizeTopDown(); + policy.m_nodes.reserve(cfgLeaves); + printf("[14] culling(OCL+qsort): "); + wallclock.reset(); + for(int i=0;i<cfgBenchmark14_Iterations;++i) + { + static const btScalar offset=0; + policy.m_nodes.resize(0); + dbvt.collideOCL(dbvt.m_root,&vectors[i],&offset,vectors[i],1,policy,false); + policy.m_nodes.quickSort(btDbvtBenchmark::P14::sortfnc); + } + const int time=(int)wallclock.getTimeMilliseconds(); + const int t=cfgBenchmark14_Iterations; + printf("%u ms (%i%%),(%u t/s)\r\n",time,(time-cfgBenchmark14_Reference)*100/time,(t*1000)/time); + } + if(cfgBenchmark15_Enable) + {// Benchmark 15 + srand(380843); + btDbvt dbvt; + btAlignedObjectArray<btVector3> vectors; + btDbvtBenchmark::P15 policy; + vectors.resize(cfgBenchmark15_Iterations); + for(int i=0;i<vectors.size();++i) + { + vectors[i]=(btDbvtBenchmark::RandVector3()*2-btVector3(1,1,1)).normalized(); + } + btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); + dbvt.optimizeTopDown(); + policy.m_nodes.reserve(cfgLeaves); + printf("[15] culling(KDOP+qsort): "); + wallclock.reset(); + for(int i=0;i<cfgBenchmark15_Iterations;++i) + { + static const btScalar offset=0; + policy.m_nodes.resize(0); + policy.m_axis=vectors[i]; + dbvt.collideKDOP(dbvt.m_root,&vectors[i],&offset,1,policy); + policy.m_nodes.quickSort(btDbvtBenchmark::P15::sortfnc); + } + const int time=(int)wallclock.getTimeMilliseconds(); + const int t=cfgBenchmark15_Iterations; + printf("%u ms (%i%%),(%u t/s)\r\n",time,(time-cfgBenchmark15_Reference)*100/time,(t*1000)/time); + } + if(cfgBenchmark16_Enable) + {// Benchmark 16 + srand(380843); + btDbvt dbvt; + btAlignedObjectArray<btDbvtNode*> batch; + btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); + dbvt.optimizeTopDown(); + batch.reserve(cfgBenchmark16_BatchCount); + printf("[16] insert/remove batch(%u): ",cfgBenchmark16_BatchCount); + wallclock.reset(); + for(int i=0;i<cfgBenchmark16_Passes;++i) + { + for(int j=0;j<cfgBenchmark16_BatchCount;++j) + { + batch.push_back(dbvt.insert(btDbvtBenchmark::RandVolume(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale),0)); + } + for(int j=0;j<cfgBenchmark16_BatchCount;++j) + { + dbvt.remove(batch[j]); + } + batch.resize(0); + } + const int time=(int)wallclock.getTimeMilliseconds(); + const int ir=cfgBenchmark16_Passes*cfgBenchmark16_BatchCount; + printf("%u ms (%i%%),(%u bir/s)\r\n",time,(time-cfgBenchmark16_Reference)*100/time,int(ir*1000.0/time)); + } + if(cfgBenchmark17_Enable) + {// Benchmark 17 + srand(380843); + btAlignedObjectArray<btDbvtVolume> volumes; + btAlignedObjectArray<int> results; + btAlignedObjectArray<int> indices; + volumes.resize(cfgLeaves); + results.resize(cfgLeaves); + indices.resize(cfgLeaves); + for(int i=0;i<cfgLeaves;++i) + { + indices[i]=i; + volumes[i]=btDbvtBenchmark::RandVolume(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale); + } + for(int i=0;i<cfgLeaves;++i) + { + btSwap(indices[i],indices[rand()%cfgLeaves]); + } + printf("[17] btDbvtVolume select: "); + wallclock.reset(); + for(int i=0;i<cfgBenchmark17_Iterations;++i) + { + for(int j=0;j<cfgLeaves;++j) + { + for(int k=0;k<cfgLeaves;++k) + { + const int idx=indices[k]; + results[idx]=Select(volumes[idx],volumes[j],volumes[k]); + } + } + } + const int time=(int)wallclock.getTimeMilliseconds(); + printf("%u ms (%i%%)\r\n",time,(time-cfgBenchmark17_Reference)*100/time); + } + printf("\r\n\r\n"); +} +#endif |