btConstraintSolverPoolMt - masquerades as a constraint solver, but really it is a threadsafe pool of them. More...

#include <btDiscreteDynamicsWorldMt.h>

Inheritance diagram for btConstraintSolverPoolMt:

Collaboration diagram for btConstraintSolverPoolMt:

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Classes
struct	ThreadSolver

Public Member Functions
	btConstraintSolverPoolMt (int numSolvers)

	btConstraintSolverPoolMt (btConstraintSolver **solvers, int numSolvers)

virtual	~btConstraintSolverPoolMt ()

virtual btScalar	solveGroup (btCollisionObject bodies, int numBodies, btPersistentManifold manifolds, int numManifolds, btTypedConstraint *constraints, int numConstraints, const btContactSolverInfo &info, btIDebugDraw debugDrawer, btDispatcher *dispatcher) BT_OVERRIDE
	solve a group of constraints More...

virtual void	reset () BT_OVERRIDE
	clear internal cached data and reset random seed More...

virtual btConstraintSolverType	getSolverType () const BT_OVERRIDE

Public Member Functions inherited from btConstraintSolver
virtual	~btConstraintSolver ()

virtual void	prepareSolve (int, int)

virtual void	allSolved (const btContactSolverInfo &, class btIDebugDraw *)

Private Member Functions
ThreadSolver *	getAndLockThreadSolver ()
	btConstraintSolverPoolMt More...

void	init (btConstraintSolver **solvers, int numSolvers)

Private Attributes
btAlignedObjectArray< ThreadSolver >	m_solvers

btConstraintSolverType	m_solverType

Static Private Attributes
static const size_t	kCacheLineSize = 128

Detailed Description

btConstraintSolverPoolMt - masquerades as a constraint solver, but really it is a threadsafe pool of them.

Each solver in the pool is protected by a mutex. When solveGroup is called from a thread, the pool looks for a solver that isn't being used by another thread, locks it, and dispatches the call to the solver. So long as there are at least as many solvers as there are hardware threads, it should never need to spin wait.

Definition at line 34 of file btDiscreteDynamicsWorldMt.h.

Constructor & Destructor Documentation

btConstraintSolverPoolMt::btConstraintSolverPoolMt ( int numSolvers )

explicit

Definition at line 92 of file btDiscreteDynamicsWorldMt.cpp.

btConstraintSolverPoolMt::btConstraintSolverPoolMt	(	btConstraintSolver **	solvers,
		int	numSolvers
	)

Definition at line 105 of file btDiscreteDynamicsWorldMt.cpp.

btConstraintSolverPoolMt::~btConstraintSolverPoolMt ( )

virtual

Definition at line 110 of file btDiscreteDynamicsWorldMt.cpp.

Member Function Documentation

btConstraintSolverPoolMt::ThreadSolver * btConstraintSolverPoolMt::getAndLockThreadSolver ( )

private

btConstraintSolverPoolMt

Definition at line 58 of file btDiscreteDynamicsWorldMt.cpp.

virtual btConstraintSolverType btConstraintSolverPoolMt::getSolverType ( ) const

inlinevirtual

Implements btConstraintSolver.

Definition at line 58 of file btDiscreteDynamicsWorldMt.h.

void btConstraintSolverPoolMt::init	(	btConstraintSolver **	solvers,
		int	numSolvers
	)

private

Definition at line 77 of file btDiscreteDynamicsWorldMt.cpp.

void btConstraintSolverPoolMt::reset ( )

virtual

clear internal cached data and reset random seed

Implements btConstraintSolver.

Definition at line 139 of file btDiscreteDynamicsWorldMt.cpp.

btScalar btConstraintSolverPoolMt::solveGroup	(	btCollisionObject **	bodies,
		int	numBodies,
		btPersistentManifold **	manifolds,
		int	numManifolds,
		btTypedConstraint **	constraints,
		int	numConstraints,
		const btContactSolverInfo &	info,
		btIDebugDraw *	debugDrawer,
		btDispatcher *	dispatcher
	)