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fix more memory leaks, ImportURDFExample is now leak-free

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eliminate all run-time memory allocation (except for mouse-pick/ray-intersection) in ImportURDFExample
This commit is contained in:
Erwin Coumans
2016-07-16 17:40:44 -07:00
parent 2caa2b7ff4
commit e2bdd7dbb1
13 changed files with 146 additions and 70 deletions
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93
src/BulletCollision/BroadphaseCollision/btDbvt.h
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@@ -122,6 +122,7 @@ subject to the following restrictions:
#error "DBVT_INT0_IMPL undefined"
#endif
//
// Defaults volumes
//
@@ -188,6 +189,9 @@ struct btDbvtNode
};
};
typedef btAlignedObjectArray<const btDbvtNode*> btNodeStack;
///The btDbvt class implements a fast dynamic bounding volume tree based on axis aligned bounding boxes (aabb tree).
///This btDbvt is used for soft body collision detection and for the btDbvtBroadphase. It has a fast insert, remove and update of nodes.
///Unlike the btQuantizedBvh, nodes can be dynamically moved around, which allows for change in topology of the underlying data structure.
@@ -325,6 +329,16 @@ struct btDbvt
void collideTV( const btDbvtNode* root,
const btDbvtVolume& volume,
DBVT_IPOLICY) const;
DBVT_PREFIX
void collideTVNoStackAlloc( const btDbvtNode* root,
const btDbvtVolume& volume,
btNodeStack& stack,
DBVT_IPOLICY) const;
///rayTest is a re-entrant ray test, and can be called in parallel as long as the btAlignedAlloc is thread-safe (uses locking etc)
///rayTest is slower than rayTestInternal, because it builds a local stack, using memory allocations, and it recomputes signs/rayDirectionInverses each time
DBVT_PREFIX
@@ -917,39 +931,72 @@ inline void btDbvt::collideTT( const btDbvtNode* root0,
}
#endif
//
DBVT_PREFIX
inline void btDbvt::collideTV( const btDbvtNode* root,
const btDbvtVolume& vol,
DBVT_IPOLICY) const
{
DBVT_CHECKTYPE
if(root)
{
ATTRIBUTE_ALIGNED16(btDbvtVolume) volume(vol);
btAlignedObjectArray<const btDbvtNode*> stack;
stack.resize(0);
stack.reserve(SIMPLE_STACKSIZE);
stack.push_back(root);
do {
const btDbvtNode* n=stack[stack.size()-1];
stack.pop_back();
if(Intersect(n->volume,volume))
if(root)
{
ATTRIBUTE_ALIGNED16(btDbvtVolume) volume(vol);
btAlignedObjectArray<const btDbvtNode*> stack;
stack.resize(0);
stack.reserve(SIMPLE_STACKSIZE);
stack.push_back(root);
do {
const btDbvtNode* n=stack[stack.size()-1];
stack.pop_back();
if(Intersect(n->volume,volume))
{
if(n->isinternal())
{
if(n->isinternal())
{
stack.push_back(n->childs[0]);
stack.push_back(n->childs[1]);
}
else
{
policy.Process(n);
}
stack.push_back(n->childs[0]);
stack.push_back(n->childs[1]);
}
} while(stack.size()>0);
}
else
{
policy.Process(n);
}
}
} while(stack.size()>0);
}
}
//
DBVT_PREFIX
inline void btDbvt::collideTVNoStackAlloc( const btDbvtNode* root,
const btDbvtVolume& vol,
btNodeStack& stack,
DBVT_IPOLICY) const
{
DBVT_CHECKTYPE
if(root)
{
ATTRIBUTE_ALIGNED16(btDbvtVolume) volume(vol);
stack.resize(0);
stack.reserve(SIMPLE_STACKSIZE);
stack.push_back(root);
do {
const btDbvtNode* n=stack[stack.size()-1];
stack.pop_back();
if(Intersect(n->volume,volume))
{
if(n->isinternal())
{
stack.push_back(n->childs[0]);
stack.push_back(n->childs[1]);
}
else
{
policy.Process(n);
}
}
} while(stack.size()>0);
}
}
DBVT_PREFIX
inline void btDbvt::rayTestInternal( const btDbvtNode* root,
const btVector3& rayFrom,