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Fix for bug #19817: cloth simulation with collision slow on Mac.

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The cause of this is in the bullet library, seems like some kind
of poor handling of many repeated allocations by Mac OS X, but the
allocation is unnecessary, so removed it.

Patch submitted to bullet:
http://code.google.com/p/bullet/issues/detail?id=303
This commit is contained in:
Brecht Van Lommel 2009-11-05 19:06:29 +00:00
parent aec92ddc51
commit 17c323b5a4
9 changed files with 7 additions and 15 deletions
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1
extern/bullet2/src/BulletCollision/CollisionDispatch/btConvexConvexAlgorithm.cpp vendored
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@ -202,7 +202,6 @@ void btConvexConvexAlgorithm ::processCollision (btCollisionObject* body0,btColl
input.m_maximumDistanceSquared*= input.m_maximumDistanceSquared;
}
input.m_stackAlloc = dispatchInfo.m_stackAllocator;
input.m_transformA = body0->getWorldTransform();
input.m_transformB = body1->getWorldTransform();

2
extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btConvexPenetrationDepthSolver.h vendored
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@ -33,7 +33,7 @@ public:
const btConvexShape* convexA,const btConvexShape* convexB,
const btTransform& transA,const btTransform& transB,
btVector3& v, btVector3& pa, btVector3& pb,
class btIDebugDraw* debugDraw,btStackAlloc* stackAlloc
class btIDebugDraw* debugDraw
) = 0;

4
extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btDiscreteCollisionDetectorInterface.h vendored
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@ -41,15 +41,13 @@ struct btDiscreteCollisionDetectorInterface
struct ClosestPointInput
{
ClosestPointInput()
:m_maximumDistanceSquared(btScalar(1e30)),
m_stackAlloc(0)
:m_maximumDistanceSquared(btScalar(1e30))
{
}
btTransform m_transformA;
btTransform m_transformB;
btScalar m_maximumDistanceSquared;
btStackAlloc* m_stackAlloc;
};
virtual ~btDiscreteCollisionDetectorInterface() {};

2
extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkEpaPenetrationDepthSolver.cpp vendored
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@ -25,7 +25,7 @@ bool btGjkEpaPenetrationDepthSolver::calcPenDepth( btSimplexSolverInterface& sim
const btConvexShape* pConvexA, const btConvexShape* pConvexB,
const btTransform& transformA, const btTransform& transformB,
btVector3& v, btVector3& wWitnessOnA, btVector3& wWitnessOnB,
class btIDebugDraw* debugDraw, btStackAlloc* stackAlloc )
class btIDebugDraw* debugDraw )
{
(void)debugDraw;

2
extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkEpaPenetrationDepthSolver.h vendored
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@ -29,7 +29,7 @@ class btGjkEpaPenetrationDepthSolver : public btConvexPenetrationDepthSolver
const btConvexShape* pConvexA, const btConvexShape* pConvexB,
const btTransform& transformA, const btTransform& transformB,
btVector3& v, btVector3& wWitnessOnA, btVector3& wWitnessOnB,
class btIDebugDraw* debugDraw,btStackAlloc* stackAlloc );
class btIDebugDraw* debugDraw );
private :

2
extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkPairDetector.cpp vendored
View File

@ -293,7 +293,7 @@ void btGjkPairDetector::getClosestPoints(const ClosestPointInput& input,Result&
m_minkowskiA,m_minkowskiB,
localTransA,localTransB,
m_cachedSeparatingAxis, tmpPointOnA, tmpPointOnB,
debugDraw,input.m_stackAlloc
debugDraw
);
if (isValid2)

3
extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btMinkowskiPenetrationDepthSolver.cpp vendored
View File

@ -71,11 +71,10 @@ bool btMinkowskiPenetrationDepthSolver::calcPenDepth(btSimplexSolverInterface& s
const btConvexShape* convexA,const btConvexShape* convexB,
const btTransform& transA,const btTransform& transB,
btVector3& v, btVector3& pa, btVector3& pb,
class btIDebugDraw* debugDraw,btStackAlloc* stackAlloc
class btIDebugDraw* debugDraw
)
{
(void)stackAlloc;
(void)v;

2
extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btMinkowskiPenetrationDepthSolver.h vendored
View File

@ -28,7 +28,7 @@ public:
const btConvexShape* convexA,const btConvexShape* convexB,
const btTransform& transA,const btTransform& transB,
btVector3& v, btVector3& pa, btVector3& pb,
class btIDebugDraw* debugDraw,btStackAlloc* stackAlloc
class btIDebugDraw* debugDraw
);
};

4
extern/bullet2/src/BulletDynamics/Dynamics/Bullet-C-API.cpp vendored
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@ -365,10 +365,6 @@ double plNearestPoints(float p1[3], float p2[3], float p3[3], float q1[3], float
btPointCollector gjkOutput;
btGjkPairDetector::ClosestPointInput input;
btStackAlloc gStackAlloc(1024*1024*2);
input.m_stackAlloc = &gStackAlloc;
btTransform tr;
tr.setIdentity();