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authorRĂ©mi Verschelde <rverschelde@gmail.com>2019-01-07 15:08:41 +0100
committerGitHub <noreply@github.com>2019-01-07 15:08:41 +0100
commitdab650fcaa3eb37deee5118d678a3763ac78a58a (patch)
tree3131df01280f91a61b4721eed132a5b6b21881ba /thirdparty/bullet/BulletDynamics/ConstraintSolver/btSequentialImpulseConstraintSolverMt.cpp
parenta3a537c2cf86ff4bf82385bbd17606654f8013c4 (diff)
parent22b7c9dfa80d0f7abca40f061865c2ab3c136a74 (diff)
Merge pull request #24740 from OBKF/update-bullet-physics
Update Bullet physics to commit 126b676
Diffstat (limited to 'thirdparty/bullet/BulletDynamics/ConstraintSolver/btSequentialImpulseConstraintSolverMt.cpp')
-rw-r--r--thirdparty/bullet/BulletDynamics/ConstraintSolver/btSequentialImpulseConstraintSolverMt.cpp2555
1 files changed, 1244 insertions, 1311 deletions
diff --git a/thirdparty/bullet/BulletDynamics/ConstraintSolver/btSequentialImpulseConstraintSolverMt.cpp b/thirdparty/bullet/BulletDynamics/ConstraintSolver/btSequentialImpulseConstraintSolverMt.cpp
index 4306c37e49..2718da4a50 100644
--- a/thirdparty/bullet/BulletDynamics/ConstraintSolver/btSequentialImpulseConstraintSolverMt.cpp
+++ b/thirdparty/bullet/BulletDynamics/ConstraintSolver/btSequentialImpulseConstraintSolverMt.cpp
@@ -13,7 +13,6 @@ subject to the following restrictions:
3. This notice may not be removed or altered from any source distribution.
*/
-
#include "btSequentialImpulseConstraintSolverMt.h"
#include "LinearMath/btQuickprof.h"
@@ -23,8 +22,6 @@ subject to the following restrictions:
#include "BulletDynamics/ConstraintSolver/btTypedConstraint.h"
#include "BulletDynamics/Dynamics/btRigidBody.h"
-
-
bool btSequentialImpulseConstraintSolverMt::s_allowNestedParallelForLoops = false; // some task schedulers don't like nested loops
int btSequentialImpulseConstraintSolverMt::s_minimumContactManifoldsForBatching = 250;
int btSequentialImpulseConstraintSolverMt::s_minBatchSize = 50;
@@ -32,613 +29,594 @@ int btSequentialImpulseConstraintSolverMt::s_maxBatchSize = 100;
btBatchedConstraints::BatchingMethod btSequentialImpulseConstraintSolverMt::s_contactBatchingMethod = btBatchedConstraints::BATCHING_METHOD_SPATIAL_GRID_2D;
btBatchedConstraints::BatchingMethod btSequentialImpulseConstraintSolverMt::s_jointBatchingMethod = btBatchedConstraints::BATCHING_METHOD_SPATIAL_GRID_2D;
-
btSequentialImpulseConstraintSolverMt::btSequentialImpulseConstraintSolverMt()
{
- m_numFrictionDirections = 1;
- m_useBatching = false;
- m_useObsoleteJointConstraints = false;
+ m_numFrictionDirections = 1;
+ m_useBatching = false;
+ m_useObsoleteJointConstraints = false;
}
-
btSequentialImpulseConstraintSolverMt::~btSequentialImpulseConstraintSolverMt()
{
}
-
void btSequentialImpulseConstraintSolverMt::setupBatchedContactConstraints()
{
- BT_PROFILE("setupBatchedContactConstraints");
- m_batchedContactConstraints.setup( &m_tmpSolverContactConstraintPool,
- m_tmpSolverBodyPool,
- s_contactBatchingMethod,
- s_minBatchSize,
- s_maxBatchSize,
- &m_scratchMemory
- );
+ BT_PROFILE("setupBatchedContactConstraints");
+ m_batchedContactConstraints.setup(&m_tmpSolverContactConstraintPool,
+ m_tmpSolverBodyPool,
+ s_contactBatchingMethod,
+ s_minBatchSize,
+ s_maxBatchSize,
+ &m_scratchMemory);
}
-
void btSequentialImpulseConstraintSolverMt::setupBatchedJointConstraints()
{
- BT_PROFILE("setupBatchedJointConstraints");
- m_batchedJointConstraints.setup( &m_tmpSolverNonContactConstraintPool,
- m_tmpSolverBodyPool,
- s_jointBatchingMethod,
- s_minBatchSize,
- s_maxBatchSize,
- &m_scratchMemory
- );
+ BT_PROFILE("setupBatchedJointConstraints");
+ m_batchedJointConstraints.setup(&m_tmpSolverNonContactConstraintPool,
+ m_tmpSolverBodyPool,
+ s_jointBatchingMethod,
+ s_minBatchSize,
+ s_maxBatchSize,
+ &m_scratchMemory);
}
-
void btSequentialImpulseConstraintSolverMt::internalSetupContactConstraints(int iContactConstraint, const btContactSolverInfo& infoGlobal)
{
- btSolverConstraint& contactConstraint = m_tmpSolverContactConstraintPool[iContactConstraint];
-
- btVector3 rel_pos1;
- btVector3 rel_pos2;
- btScalar relaxation;
-
- int solverBodyIdA = contactConstraint.m_solverBodyIdA;
- int solverBodyIdB = contactConstraint.m_solverBodyIdB;
-
- btSolverBody* solverBodyA = &m_tmpSolverBodyPool[ solverBodyIdA ];
- btSolverBody* solverBodyB = &m_tmpSolverBodyPool[ solverBodyIdB ];
-
- btRigidBody* colObj0 = solverBodyA->m_originalBody;
- btRigidBody* colObj1 = solverBodyB->m_originalBody;
-
- btManifoldPoint& cp = *static_cast<btManifoldPoint*>( contactConstraint.m_originalContactPoint );
-
- const btVector3& pos1 = cp.getPositionWorldOnA();
- const btVector3& pos2 = cp.getPositionWorldOnB();
-
- rel_pos1 = pos1 - solverBodyA->getWorldTransform().getOrigin();
- rel_pos2 = pos2 - solverBodyB->getWorldTransform().getOrigin();
-
- btVector3 vel1;
- btVector3 vel2;
-
- solverBodyA->getVelocityInLocalPointNoDelta( rel_pos1, vel1 );
- solverBodyB->getVelocityInLocalPointNoDelta( rel_pos2, vel2 );
-
- btVector3 vel = vel1 - vel2;
- btScalar rel_vel = cp.m_normalWorldOnB.dot( vel );
-
- setupContactConstraint( contactConstraint, solverBodyIdA, solverBodyIdB, cp, infoGlobal, relaxation, rel_pos1, rel_pos2 );
-
- // setup rolling friction constraints
- int rollingFrictionIndex = m_rollingFrictionIndexTable[iContactConstraint];
- if (rollingFrictionIndex >= 0)
- {
- btSolverConstraint& spinningFrictionConstraint = m_tmpSolverContactRollingFrictionConstraintPool[ rollingFrictionIndex ];
- btAssert( spinningFrictionConstraint.m_frictionIndex == iContactConstraint );
- setupTorsionalFrictionConstraint( spinningFrictionConstraint,
- cp.m_normalWorldOnB,
- solverBodyIdA,
- solverBodyIdB,
- cp,
- cp.m_combinedSpinningFriction,
- rel_pos1,
- rel_pos2,
- colObj0,
- colObj1,
- relaxation,
- 0.0f,
- 0.0f
- );
- btVector3 axis[2];
- btPlaneSpace1( cp.m_normalWorldOnB, axis[0], axis[1] );
- axis[0].normalize();
- axis[1].normalize();
-
- applyAnisotropicFriction( colObj0, axis[0], btCollisionObject::CF_ANISOTROPIC_ROLLING_FRICTION );
- applyAnisotropicFriction( colObj1, axis[0], btCollisionObject::CF_ANISOTROPIC_ROLLING_FRICTION );
- applyAnisotropicFriction( colObj0, axis[1], btCollisionObject::CF_ANISOTROPIC_ROLLING_FRICTION );
- applyAnisotropicFriction( colObj1, axis[1], btCollisionObject::CF_ANISOTROPIC_ROLLING_FRICTION );
- // put the largest axis first
- if (axis[1].length2() > axis[0].length2())
- {
- btSwap(axis[0], axis[1]);
- }
- const btScalar kRollingFrictionThreshold = 0.001f;
- for (int i = 0; i < 2; ++i)
- {
- int iRollingFric = rollingFrictionIndex + 1 + i;
- btSolverConstraint& rollingFrictionConstraint = m_tmpSolverContactRollingFrictionConstraintPool[ iRollingFric ];
- btAssert(rollingFrictionConstraint.m_frictionIndex == iContactConstraint);
- btVector3 dir = axis[i];
- if ( dir.length() > kRollingFrictionThreshold )
- {
- setupTorsionalFrictionConstraint( rollingFrictionConstraint,
- dir,
- solverBodyIdA,
- solverBodyIdB,
- cp,
- cp.m_combinedRollingFriction,
- rel_pos1,
- rel_pos2,
- colObj0,
- colObj1,
- relaxation,
- 0.0f,
- 0.0f
- );
- }
- else
- {
- rollingFrictionConstraint.m_frictionIndex = -1; // disable constraint
- }
- }
- }
-
- // setup friction constraints
- // setupFrictionConstraint(solverConstraint, normalAxis, solverBodyIdA, solverBodyIdB, cp, rel_pos1, rel_pos2, colObj0, colObj1, relaxation, infoGlobal, desiredVelocity, cfmSlip);
- {
- ///Bullet has several options to set the friction directions
- ///By default, each contact has only a single friction direction that is recomputed automatically very frame
- ///based on the relative linear velocity.
- ///If the relative velocity it zero, it will automatically compute a friction direction.
-
- ///You can also enable two friction directions, using the SOLVER_USE_2_FRICTION_DIRECTIONS.
- ///In that case, the second friction direction will be orthogonal to both contact normal and first friction direction.
- ///
- ///If you choose SOLVER_DISABLE_VELOCITY_DEPENDENT_FRICTION_DIRECTION, then the friction will be independent from the relative projected velocity.
- ///
- ///The user can manually override the friction directions for certain contacts using a contact callback,
- ///and set the cp.m_lateralFrictionInitialized to true
- ///In that case, you can set the target relative motion in each friction direction (cp.m_contactMotion1 and cp.m_contactMotion2)
- ///this will give a conveyor belt effect
- ///
- btSolverConstraint* frictionConstraint1 = &m_tmpSolverContactFrictionConstraintPool[contactConstraint.m_frictionIndex];
- btAssert(frictionConstraint1->m_frictionIndex == iContactConstraint);
-
- btSolverConstraint* frictionConstraint2 = NULL;
- if ( infoGlobal.m_solverMode & SOLVER_USE_2_FRICTION_DIRECTIONS )
- {
- frictionConstraint2 = &m_tmpSolverContactFrictionConstraintPool[contactConstraint.m_frictionIndex + 1];
- btAssert( frictionConstraint2->m_frictionIndex == iContactConstraint );
- }
-
- if ( !( infoGlobal.m_solverMode & SOLVER_ENABLE_FRICTION_DIRECTION_CACHING ) || !( cp.m_contactPointFlags&BT_CONTACT_FLAG_LATERAL_FRICTION_INITIALIZED ) )
- {
- cp.m_lateralFrictionDir1 = vel - cp.m_normalWorldOnB * rel_vel;
- btScalar lat_rel_vel = cp.m_lateralFrictionDir1.length2();
- if ( !( infoGlobal.m_solverMode & SOLVER_DISABLE_VELOCITY_DEPENDENT_FRICTION_DIRECTION ) && lat_rel_vel > SIMD_EPSILON )
- {
- cp.m_lateralFrictionDir1 *= 1.f / btSqrt( lat_rel_vel );
- applyAnisotropicFriction( colObj0, cp.m_lateralFrictionDir1, btCollisionObject::CF_ANISOTROPIC_FRICTION );
- applyAnisotropicFriction( colObj1, cp.m_lateralFrictionDir1, btCollisionObject::CF_ANISOTROPIC_FRICTION );
- setupFrictionConstraint( *frictionConstraint1, cp.m_lateralFrictionDir1, solverBodyIdA, solverBodyIdB, cp, rel_pos1, rel_pos2, colObj0, colObj1, relaxation, infoGlobal );
-
- if ( frictionConstraint2 )
- {
- cp.m_lateralFrictionDir2 = cp.m_lateralFrictionDir1.cross( cp.m_normalWorldOnB );
- cp.m_lateralFrictionDir2.normalize();//??
- applyAnisotropicFriction( colObj0, cp.m_lateralFrictionDir2, btCollisionObject::CF_ANISOTROPIC_FRICTION );
- applyAnisotropicFriction( colObj1, cp.m_lateralFrictionDir2, btCollisionObject::CF_ANISOTROPIC_FRICTION );
- setupFrictionConstraint( *frictionConstraint2, cp.m_lateralFrictionDir2, solverBodyIdA, solverBodyIdB, cp, rel_pos1, rel_pos2, colObj0, colObj1, relaxation, infoGlobal );
- }
- }
- else
- {
- btPlaneSpace1( cp.m_normalWorldOnB, cp.m_lateralFrictionDir1, cp.m_lateralFrictionDir2 );
-
- applyAnisotropicFriction( colObj0, cp.m_lateralFrictionDir1, btCollisionObject::CF_ANISOTROPIC_FRICTION );
- applyAnisotropicFriction( colObj1, cp.m_lateralFrictionDir1, btCollisionObject::CF_ANISOTROPIC_FRICTION );
- setupFrictionConstraint( *frictionConstraint1, cp.m_lateralFrictionDir1, solverBodyIdA, solverBodyIdB, cp, rel_pos1, rel_pos2, colObj0, colObj1, relaxation, infoGlobal );
-
- if ( frictionConstraint2 )
- {
- applyAnisotropicFriction( colObj0, cp.m_lateralFrictionDir2, btCollisionObject::CF_ANISOTROPIC_FRICTION );
- applyAnisotropicFriction( colObj1, cp.m_lateralFrictionDir2, btCollisionObject::CF_ANISOTROPIC_FRICTION );
- setupFrictionConstraint( *frictionConstraint2, cp.m_lateralFrictionDir2, solverBodyIdA, solverBodyIdB, cp, rel_pos1, rel_pos2, colObj0, colObj1, relaxation, infoGlobal );
- }
-
- if ( ( infoGlobal.m_solverMode & SOLVER_USE_2_FRICTION_DIRECTIONS ) && ( infoGlobal.m_solverMode & SOLVER_DISABLE_VELOCITY_DEPENDENT_FRICTION_DIRECTION ) )
- {
- cp.m_contactPointFlags |= BT_CONTACT_FLAG_LATERAL_FRICTION_INITIALIZED;
- }
- }
- }
- else
- {
- setupFrictionConstraint( *frictionConstraint1, cp.m_lateralFrictionDir1, solverBodyIdA, solverBodyIdB, cp, rel_pos1, rel_pos2, colObj0, colObj1, relaxation, infoGlobal, cp.m_contactMotion1, cp.m_frictionCFM );
- if ( frictionConstraint2 )
- {
- setupFrictionConstraint( *frictionConstraint2, cp.m_lateralFrictionDir2, solverBodyIdA, solverBodyIdB, cp, rel_pos1, rel_pos2, colObj0, colObj1, relaxation, infoGlobal, cp.m_contactMotion2, cp.m_frictionCFM );
- }
- }
- }
-
- setFrictionConstraintImpulse( contactConstraint, solverBodyIdA, solverBodyIdB, cp, infoGlobal );
-}
+ btSolverConstraint& contactConstraint = m_tmpSolverContactConstraintPool[iContactConstraint];
+
+ btVector3 rel_pos1;
+ btVector3 rel_pos2;
+ btScalar relaxation;
+
+ int solverBodyIdA = contactConstraint.m_solverBodyIdA;
+ int solverBodyIdB = contactConstraint.m_solverBodyIdB;
+
+ btSolverBody* solverBodyA = &m_tmpSolverBodyPool[solverBodyIdA];
+ btSolverBody* solverBodyB = &m_tmpSolverBodyPool[solverBodyIdB];
+
+ btRigidBody* colObj0 = solverBodyA->m_originalBody;
+ btRigidBody* colObj1 = solverBodyB->m_originalBody;
+
+ btManifoldPoint& cp = *static_cast<btManifoldPoint*>(contactConstraint.m_originalContactPoint);
+
+ const btVector3& pos1 = cp.getPositionWorldOnA();
+ const btVector3& pos2 = cp.getPositionWorldOnB();
+
+ rel_pos1 = pos1 - solverBodyA->getWorldTransform().getOrigin();
+ rel_pos2 = pos2 - solverBodyB->getWorldTransform().getOrigin();
+
+ btVector3 vel1;
+ btVector3 vel2;
+
+ solverBodyA->getVelocityInLocalPointNoDelta(rel_pos1, vel1);
+ solverBodyB->getVelocityInLocalPointNoDelta(rel_pos2, vel2);
+
+ btVector3 vel = vel1 - vel2;
+ btScalar rel_vel = cp.m_normalWorldOnB.dot(vel);
+
+ setupContactConstraint(contactConstraint, solverBodyIdA, solverBodyIdB, cp, infoGlobal, relaxation, rel_pos1, rel_pos2);
+
+ // setup rolling friction constraints
+ int rollingFrictionIndex = m_rollingFrictionIndexTable[iContactConstraint];
+ if (rollingFrictionIndex >= 0)
+ {
+ btSolverConstraint& spinningFrictionConstraint = m_tmpSolverContactRollingFrictionConstraintPool[rollingFrictionIndex];
+ btAssert(spinningFrictionConstraint.m_frictionIndex == iContactConstraint);
+ setupTorsionalFrictionConstraint(spinningFrictionConstraint,
+ cp.m_normalWorldOnB,
+ solverBodyIdA,
+ solverBodyIdB,
+ cp,
+ cp.m_combinedSpinningFriction,
+ rel_pos1,
+ rel_pos2,
+ colObj0,
+ colObj1,
+ relaxation,
+ 0.0f,
+ 0.0f);
+ btVector3 axis[2];
+ btPlaneSpace1(cp.m_normalWorldOnB, axis[0], axis[1]);
+ axis[0].normalize();
+ axis[1].normalize();
+
+ applyAnisotropicFriction(colObj0, axis[0], btCollisionObject::CF_ANISOTROPIC_ROLLING_FRICTION);
+ applyAnisotropicFriction(colObj1, axis[0], btCollisionObject::CF_ANISOTROPIC_ROLLING_FRICTION);
+ applyAnisotropicFriction(colObj0, axis[1], btCollisionObject::CF_ANISOTROPIC_ROLLING_FRICTION);
+ applyAnisotropicFriction(colObj1, axis[1], btCollisionObject::CF_ANISOTROPIC_ROLLING_FRICTION);
+ // put the largest axis first
+ if (axis[1].length2() > axis[0].length2())
+ {
+ btSwap(axis[0], axis[1]);
+ }
+ const btScalar kRollingFrictionThreshold = 0.001f;
+ for (int i = 0; i < 2; ++i)
+ {
+ int iRollingFric = rollingFrictionIndex + 1 + i;
+ btSolverConstraint& rollingFrictionConstraint = m_tmpSolverContactRollingFrictionConstraintPool[iRollingFric];
+ btAssert(rollingFrictionConstraint.m_frictionIndex == iContactConstraint);
+ btVector3 dir = axis[i];
+ if (dir.length() > kRollingFrictionThreshold)
+ {
+ setupTorsionalFrictionConstraint(rollingFrictionConstraint,
+ dir,
+ solverBodyIdA,
+ solverBodyIdB,
+ cp,
+ cp.m_combinedRollingFriction,
+ rel_pos1,
+ rel_pos2,
+ colObj0,
+ colObj1,
+ relaxation,
+ 0.0f,
+ 0.0f);
+ }
+ else
+ {
+ rollingFrictionConstraint.m_frictionIndex = -1; // disable constraint
+ }
+ }
+ }
+
+ // setup friction constraints
+ // setupFrictionConstraint(solverConstraint, normalAxis, solverBodyIdA, solverBodyIdB, cp, rel_pos1, rel_pos2, colObj0, colObj1, relaxation, infoGlobal, desiredVelocity, cfmSlip);
+ {
+ ///Bullet has several options to set the friction directions
+ ///By default, each contact has only a single friction direction that is recomputed automatically very frame
+ ///based on the relative linear velocity.
+ ///If the relative velocity it zero, it will automatically compute a friction direction.
+
+ ///You can also enable two friction directions, using the SOLVER_USE_2_FRICTION_DIRECTIONS.
+ ///In that case, the second friction direction will be orthogonal to both contact normal and first friction direction.
+ ///
+ ///If you choose SOLVER_DISABLE_VELOCITY_DEPENDENT_FRICTION_DIRECTION, then the friction will be independent from the relative projected velocity.
+ ///
+ ///The user can manually override the friction directions for certain contacts using a contact callback,
+ ///and set the cp.m_lateralFrictionInitialized to true
+ ///In that case, you can set the target relative motion in each friction direction (cp.m_contactMotion1 and cp.m_contactMotion2)
+ ///this will give a conveyor belt effect
+ ///
+ btSolverConstraint* frictionConstraint1 = &m_tmpSolverContactFrictionConstraintPool[contactConstraint.m_frictionIndex];
+ btAssert(frictionConstraint1->m_frictionIndex == iContactConstraint);
+
+ btSolverConstraint* frictionConstraint2 = NULL;
+ if (infoGlobal.m_solverMode & SOLVER_USE_2_FRICTION_DIRECTIONS)
+ {
+ frictionConstraint2 = &m_tmpSolverContactFrictionConstraintPool[contactConstraint.m_frictionIndex + 1];
+ btAssert(frictionConstraint2->m_frictionIndex == iContactConstraint);
+ }
+
+ if (!(infoGlobal.m_solverMode & SOLVER_ENABLE_FRICTION_DIRECTION_CACHING) || !(cp.m_contactPointFlags & BT_CONTACT_FLAG_LATERAL_FRICTION_INITIALIZED))
+ {
+ cp.m_lateralFrictionDir1 = vel - cp.m_normalWorldOnB * rel_vel;
+ btScalar lat_rel_vel = cp.m_lateralFrictionDir1.length2();
+ if (!(infoGlobal.m_solverMode & SOLVER_DISABLE_VELOCITY_DEPENDENT_FRICTION_DIRECTION) && lat_rel_vel > SIMD_EPSILON)
+ {
+ cp.m_lateralFrictionDir1 *= 1.f / btSqrt(lat_rel_vel);
+ applyAnisotropicFriction(colObj0, cp.m_lateralFrictionDir1, btCollisionObject::CF_ANISOTROPIC_FRICTION);
+ applyAnisotropicFriction(colObj1, cp.m_lateralFrictionDir1, btCollisionObject::CF_ANISOTROPIC_FRICTION);
+ setupFrictionConstraint(*frictionConstraint1, cp.m_lateralFrictionDir1, solverBodyIdA, solverBodyIdB, cp, rel_pos1, rel_pos2, colObj0, colObj1, relaxation, infoGlobal);
+
+ if (frictionConstraint2)
+ {
+ cp.m_lateralFrictionDir2 = cp.m_lateralFrictionDir1.cross(cp.m_normalWorldOnB);
+ cp.m_lateralFrictionDir2.normalize(); //??
+ applyAnisotropicFriction(colObj0, cp.m_lateralFrictionDir2, btCollisionObject::CF_ANISOTROPIC_FRICTION);
+ applyAnisotropicFriction(colObj1, cp.m_lateralFrictionDir2, btCollisionObject::CF_ANISOTROPIC_FRICTION);
+ setupFrictionConstraint(*frictionConstraint2, cp.m_lateralFrictionDir2, solverBodyIdA, solverBodyIdB, cp, rel_pos1, rel_pos2, colObj0, colObj1, relaxation, infoGlobal);
+ }
+ }
+ else
+ {
+ btPlaneSpace1(cp.m_normalWorldOnB, cp.m_lateralFrictionDir1, cp.m_lateralFrictionDir2);
+
+ applyAnisotropicFriction(colObj0, cp.m_lateralFrictionDir1, btCollisionObject::CF_ANISOTROPIC_FRICTION);
+ applyAnisotropicFriction(colObj1, cp.m_lateralFrictionDir1, btCollisionObject::CF_ANISOTROPIC_FRICTION);
+ setupFrictionConstraint(*frictionConstraint1, cp.m_lateralFrictionDir1, solverBodyIdA, solverBodyIdB, cp, rel_pos1, rel_pos2, colObj0, colObj1, relaxation, infoGlobal);
+
+ if (frictionConstraint2)
+ {
+ applyAnisotropicFriction(colObj0, cp.m_lateralFrictionDir2, btCollisionObject::CF_ANISOTROPIC_FRICTION);
+ applyAnisotropicFriction(colObj1, cp.m_lateralFrictionDir2, btCollisionObject::CF_ANISOTROPIC_FRICTION);
+ setupFrictionConstraint(*frictionConstraint2, cp.m_lateralFrictionDir2, solverBodyIdA, solverBodyIdB, cp, rel_pos1, rel_pos2, colObj0, colObj1, relaxation, infoGlobal);
+ }
+
+ if ((infoGlobal.m_solverMode & SOLVER_USE_2_FRICTION_DIRECTIONS) && (infoGlobal.m_solverMode & SOLVER_DISABLE_VELOCITY_DEPENDENT_FRICTION_DIRECTION))
+ {
+ cp.m_contactPointFlags |= BT_CONTACT_FLAG_LATERAL_FRICTION_INITIALIZED;
+ }
+ }
+ }
+ else
+ {
+ setupFrictionConstraint(*frictionConstraint1, cp.m_lateralFrictionDir1, solverBodyIdA, solverBodyIdB, cp, rel_pos1, rel_pos2, colObj0, colObj1, relaxation, infoGlobal, cp.m_contactMotion1, cp.m_frictionCFM);
+ if (frictionConstraint2)
+ {
+ setupFrictionConstraint(*frictionConstraint2, cp.m_lateralFrictionDir2, solverBodyIdA, solverBodyIdB, cp, rel_pos1, rel_pos2, colObj0, colObj1, relaxation, infoGlobal, cp.m_contactMotion2, cp.m_frictionCFM);
+ }
+ }
+ }
+ setFrictionConstraintImpulse(contactConstraint, solverBodyIdA, solverBodyIdB, cp, infoGlobal);
+}
struct SetupContactConstraintsLoop : public btIParallelForBody
{
- btSequentialImpulseConstraintSolverMt* m_solver;
- const btBatchedConstraints* m_bc;
- const btContactSolverInfo* m_infoGlobal;
-
- SetupContactConstraintsLoop( btSequentialImpulseConstraintSolverMt* solver, const btBatchedConstraints* bc, const btContactSolverInfo& infoGlobal )
- {
- m_solver = solver;
- m_bc = bc;
- m_infoGlobal = &infoGlobal;
- }
- void forLoop( int iBegin, int iEnd ) const BT_OVERRIDE
- {
- BT_PROFILE( "SetupContactConstraintsLoop" );
- for ( int iBatch = iBegin; iBatch < iEnd; ++iBatch )
- {
- const btBatchedConstraints::Range& batch = m_bc->m_batches[ iBatch ];
- for (int i = batch.begin; i < batch.end; ++i)
- {
- int iContact = m_bc->m_constraintIndices[i];
- m_solver->internalSetupContactConstraints( iContact, *m_infoGlobal );
- }
- }
- }
-};
+ btSequentialImpulseConstraintSolverMt* m_solver;
+ const btBatchedConstraints* m_bc;
+ const btContactSolverInfo* m_infoGlobal;
+ SetupContactConstraintsLoop(btSequentialImpulseConstraintSolverMt* solver, const btBatchedConstraints* bc, const btContactSolverInfo& infoGlobal)
+ {
+ m_solver = solver;
+ m_bc = bc;
+ m_infoGlobal = &infoGlobal;
+ }
+ void forLoop(int iBegin, int iEnd) const BT_OVERRIDE
+ {
+ BT_PROFILE("SetupContactConstraintsLoop");
+ for (int iBatch = iBegin; iBatch < iEnd; ++iBatch)
+ {
+ const btBatchedConstraints::Range& batch = m_bc->m_batches[iBatch];
+ for (int i = batch.begin; i < batch.end; ++i)
+ {
+ int iContact = m_bc->m_constraintIndices[i];
+ m_solver->internalSetupContactConstraints(iContact, *m_infoGlobal);
+ }
+ }
+ }
+};
void btSequentialImpulseConstraintSolverMt::setupAllContactConstraints(const btContactSolverInfo& infoGlobal)
{
- BT_PROFILE( "setupAllContactConstraints" );
- if ( m_useBatching )
- {
- const btBatchedConstraints& batchedCons = m_batchedContactConstraints;
- SetupContactConstraintsLoop loop( this, &batchedCons, infoGlobal );
- for ( int iiPhase = 0; iiPhase < batchedCons.m_phases.size(); ++iiPhase )
- {
- int iPhase = batchedCons.m_phaseOrder[ iiPhase ];
- const btBatchedConstraints::Range& phase = batchedCons.m_phases[ iPhase ];
- int grainSize = 1;
- btParallelFor( phase.begin, phase.end, grainSize, loop );
- }
- }
- else
- {
- for ( int i = 0; i < m_tmpSolverContactConstraintPool.size(); ++i )
- {
- internalSetupContactConstraints( i, infoGlobal );
- }
- }
+ BT_PROFILE("setupAllContactConstraints");
+ if (m_useBatching)
+ {
+ const btBatchedConstraints& batchedCons = m_batchedContactConstraints;
+ SetupContactConstraintsLoop loop(this, &batchedCons, infoGlobal);
+ for (int iiPhase = 0; iiPhase < batchedCons.m_phases.size(); ++iiPhase)
+ {
+ int iPhase = batchedCons.m_phaseOrder[iiPhase];
+ const btBatchedConstraints::Range& phase = batchedCons.m_phases[iPhase];
+ int grainSize = 1;
+ btParallelFor(phase.begin, phase.end, grainSize, loop);
+ }
+ }
+ else
+ {
+ for (int i = 0; i < m_tmpSolverContactConstraintPool.size(); ++i)
+ {
+ internalSetupContactConstraints(i, infoGlobal);
+ }
+ }
}
-
-int btSequentialImpulseConstraintSolverMt::getOrInitSolverBodyThreadsafe(btCollisionObject& body,btScalar timeStep)
+int btSequentialImpulseConstraintSolverMt::getOrInitSolverBodyThreadsafe(btCollisionObject& body, btScalar timeStep)
{
- //
- // getOrInitSolverBody is threadsafe only for a single thread per solver (with potentially multiple solvers)
- //
- // getOrInitSolverBodyThreadsafe -- attempts to be fully threadsafe (however may affect determinism)
- //
- int solverBodyId = -1;
- bool isRigidBodyType = btRigidBody::upcast( &body ) != NULL;
- if ( isRigidBodyType && !body.isStaticOrKinematicObject() )
- {
- // dynamic body
- // Dynamic bodies can only be in one island, so it's safe to write to the companionId
- solverBodyId = body.getCompanionId();
- if ( solverBodyId < 0 )
- {
- m_bodySolverArrayMutex.lock();
- // now that we have the lock, check again
- solverBodyId = body.getCompanionId();
- if ( solverBodyId < 0 )
- {
- solverBodyId = m_tmpSolverBodyPool.size();
- btSolverBody& solverBody = m_tmpSolverBodyPool.expand();
- initSolverBody( &solverBody, &body, timeStep );
- body.setCompanionId( solverBodyId );
- }
- m_bodySolverArrayMutex.unlock();
- }
- }
- else if (isRigidBodyType && body.isKinematicObject())
- {
- //
- // NOTE: must test for kinematic before static because some kinematic objects also
- // identify as "static"
- //
- // Kinematic bodies can be in multiple islands at once, so it is a
- // race condition to write to them, so we use an alternate method
- // to record the solverBodyId
- int uniqueId = body.getWorldArrayIndex();
- const int INVALID_SOLVER_BODY_ID = -1;
- if (m_kinematicBodyUniqueIdToSolverBodyTable.size() <= uniqueId )
- {
- m_kinematicBodyUniqueIdToSolverBodyTableMutex.lock();
- // now that we have the lock, check again
- if ( m_kinematicBodyUniqueIdToSolverBodyTable.size() <= uniqueId )
- {
- m_kinematicBodyUniqueIdToSolverBodyTable.resize( uniqueId + 1, INVALID_SOLVER_BODY_ID );
- }
- m_kinematicBodyUniqueIdToSolverBodyTableMutex.unlock();
- }
- solverBodyId = m_kinematicBodyUniqueIdToSolverBodyTable[ uniqueId ];
- // if no table entry yet,
- if ( INVALID_SOLVER_BODY_ID == solverBodyId )
- {
- // need to acquire both locks
- m_kinematicBodyUniqueIdToSolverBodyTableMutex.lock();
- m_bodySolverArrayMutex.lock();
- // now that we have the lock, check again
- solverBodyId = m_kinematicBodyUniqueIdToSolverBodyTable[ uniqueId ];
- if ( INVALID_SOLVER_BODY_ID == solverBodyId )
- {
- // create a table entry for this body
- solverBodyId = m_tmpSolverBodyPool.size();
- btSolverBody& solverBody = m_tmpSolverBodyPool.expand();
- initSolverBody( &solverBody, &body, timeStep );
- m_kinematicBodyUniqueIdToSolverBodyTable[ uniqueId ] = solverBodyId;
- }
- m_bodySolverArrayMutex.unlock();
- m_kinematicBodyUniqueIdToSolverBodyTableMutex.unlock();
- }
- }
- else
- {
- // all fixed bodies (inf mass) get mapped to a single solver id
- if ( m_fixedBodyId < 0 )
- {
- m_bodySolverArrayMutex.lock();
- // now that we have the lock, check again
- if ( m_fixedBodyId < 0 )
- {
- m_fixedBodyId = m_tmpSolverBodyPool.size();
- btSolverBody& fixedBody = m_tmpSolverBodyPool.expand();
- initSolverBody( &fixedBody, 0, timeStep );
- }
- m_bodySolverArrayMutex.unlock();
- }
- solverBodyId = m_fixedBodyId;
- }
- btAssert( solverBodyId >= 0 && solverBodyId < m_tmpSolverBodyPool.size() );
+ //
+ // getOrInitSolverBody is threadsafe only for a single thread per solver (with potentially multiple solvers)
+ //
+ // getOrInitSolverBodyThreadsafe -- attempts to be fully threadsafe (however may affect determinism)
+ //
+ int solverBodyId = -1;
+ bool isRigidBodyType = btRigidBody::upcast(&body) != NULL;
+ if (isRigidBodyType && !body.isStaticOrKinematicObject())
+ {
+ // dynamic body
+ // Dynamic bodies can only be in one island, so it's safe to write to the companionId
+ solverBodyId = body.getCompanionId();
+ if (solverBodyId < 0)
+ {
+ m_bodySolverArrayMutex.lock();
+ // now that we have the lock, check again
+ solverBodyId = body.getCompanionId();
+ if (solverBodyId < 0)
+ {
+ solverBodyId = m_tmpSolverBodyPool.size();
+ btSolverBody& solverBody = m_tmpSolverBodyPool.expand();
+ initSolverBody(&solverBody, &body, timeStep);
+ body.setCompanionId(solverBodyId);
+ }
+ m_bodySolverArrayMutex.unlock();
+ }
+ }
+ else if (isRigidBodyType && body.isKinematicObject())
+ {
+ //
+ // NOTE: must test for kinematic before static because some kinematic objects also
+ // identify as "static"
+ //
+ // Kinematic bodies can be in multiple islands at once, so it is a
+ // race condition to write to them, so we use an alternate method
+ // to record the solverBodyId
+ int uniqueId = body.getWorldArrayIndex();
+ const int INVALID_SOLVER_BODY_ID = -1;
+ if (m_kinematicBodyUniqueIdToSolverBodyTable.size() <= uniqueId)
+ {
+ m_kinematicBodyUniqueIdToSolverBodyTableMutex.lock();
+ // now that we have the lock, check again
+ if (m_kinematicBodyUniqueIdToSolverBodyTable.size() <= uniqueId)
+ {
+ m_kinematicBodyUniqueIdToSolverBodyTable.resize(uniqueId + 1, INVALID_SOLVER_BODY_ID);
+ }
+ m_kinematicBodyUniqueIdToSolverBodyTableMutex.unlock();
+ }
+ solverBodyId = m_kinematicBodyUniqueIdToSolverBodyTable[uniqueId];
+ // if no table entry yet,
+ if (INVALID_SOLVER_BODY_ID == solverBodyId)
+ {
+ // need to acquire both locks
+ m_kinematicBodyUniqueIdToSolverBodyTableMutex.lock();
+ m_bodySolverArrayMutex.lock();
+ // now that we have the lock, check again
+ solverBodyId = m_kinematicBodyUniqueIdToSolverBodyTable[uniqueId];
+ if (INVALID_SOLVER_BODY_ID == solverBodyId)
+ {
+ // create a table entry for this body
+ solverBodyId = m_tmpSolverBodyPool.size();
+ btSolverBody& solverBody = m_tmpSolverBodyPool.expand();
+ initSolverBody(&solverBody, &body, timeStep);
+ m_kinematicBodyUniqueIdToSolverBodyTable[uniqueId] = solverBodyId;
+ }
+ m_bodySolverArrayMutex.unlock();
+ m_kinematicBodyUniqueIdToSolverBodyTableMutex.unlock();
+ }
+ }
+ else
+ {
+ // all fixed bodies (inf mass) get mapped to a single solver id
+ if (m_fixedBodyId < 0)
+ {
+ m_bodySolverArrayMutex.lock();
+ // now that we have the lock, check again
+ if (m_fixedBodyId < 0)
+ {
+ m_fixedBodyId = m_tmpSolverBodyPool.size();
+ btSolverBody& fixedBody = m_tmpSolverBodyPool.expand();
+ initSolverBody(&fixedBody, 0, timeStep);
+ }
+ m_bodySolverArrayMutex.unlock();
+ }
+ solverBodyId = m_fixedBodyId;
+ }
+ btAssert(solverBodyId >= 0 && solverBodyId < m_tmpSolverBodyPool.size());
return solverBodyId;
}
-
void btSequentialImpulseConstraintSolverMt::internalCollectContactManifoldCachedInfo(btContactManifoldCachedInfo* cachedInfoArray, btPersistentManifold** manifoldPtr, int numManifolds, const btContactSolverInfo& infoGlobal)
{
- BT_PROFILE("internalCollectContactManifoldCachedInfo");
- for (int i = 0; i < numManifolds; ++i)
- {
- btContactManifoldCachedInfo* cachedInfo = &cachedInfoArray[i];
- btPersistentManifold* manifold = manifoldPtr[i];
- btCollisionObject* colObj0 = (btCollisionObject*) manifold->getBody0();
- btCollisionObject* colObj1 = (btCollisionObject*) manifold->getBody1();
-
- int solverBodyIdA = getOrInitSolverBodyThreadsafe( *colObj0, infoGlobal.m_timeStep );
- int solverBodyIdB = getOrInitSolverBodyThreadsafe( *colObj1, infoGlobal.m_timeStep );
-
- cachedInfo->solverBodyIds[ 0 ] = solverBodyIdA;
- cachedInfo->solverBodyIds[ 1 ] = solverBodyIdB;
- cachedInfo->numTouchingContacts = 0;
-
- btSolverBody* solverBodyA = &m_tmpSolverBodyPool[ solverBodyIdA ];
- btSolverBody* solverBodyB = &m_tmpSolverBodyPool[ solverBodyIdB ];
-
- // A contact manifold between 2 static object should not exist!
- // check the collision flags of your objects if this assert fires.
- // Incorrectly set collision object flags can degrade performance in various ways.
- btAssert( !m_tmpSolverBodyPool[ solverBodyIdA ].m_invMass.isZero() || !m_tmpSolverBodyPool[ solverBodyIdB ].m_invMass.isZero() );
-
- int iContact = 0;
- for ( int j = 0; j < manifold->getNumContacts(); j++ )
- {
- btManifoldPoint& cp = manifold->getContactPoint( j );
-
- if ( cp.getDistance() <= manifold->getContactProcessingThreshold() )
- {
- cachedInfo->contactPoints[ iContact ] = &cp;
- cachedInfo->contactHasRollingFriction[ iContact ] = ( cp.m_combinedRollingFriction > 0.f );
- iContact++;
- }
- }
- cachedInfo->numTouchingContacts = iContact;
- }
-}
+ BT_PROFILE("internalCollectContactManifoldCachedInfo");
+ for (int i = 0; i < numManifolds; ++i)
+ {
+ btContactManifoldCachedInfo* cachedInfo = &cachedInfoArray[i];
+ btPersistentManifold* manifold = manifoldPtr[i];
+ btCollisionObject* colObj0 = (btCollisionObject*)manifold->getBody0();
+ btCollisionObject* colObj1 = (btCollisionObject*)manifold->getBody1();
+
+ int solverBodyIdA = getOrInitSolverBodyThreadsafe(*colObj0, infoGlobal.m_timeStep);
+ int solverBodyIdB = getOrInitSolverBodyThreadsafe(*colObj1, infoGlobal.m_timeStep);
+
+ cachedInfo->solverBodyIds[0] = solverBodyIdA;
+ cachedInfo->solverBodyIds[1] = solverBodyIdB;
+ cachedInfo->numTouchingContacts = 0;
+
+ btSolverBody* solverBodyA = &m_tmpSolverBodyPool[solverBodyIdA];
+ btSolverBody* solverBodyB = &m_tmpSolverBodyPool[solverBodyIdB];
+ // A contact manifold between 2 static object should not exist!
+ // check the collision flags of your objects if this assert fires.
+ // Incorrectly set collision object flags can degrade performance in various ways.
+ btAssert(!m_tmpSolverBodyPool[solverBodyIdA].m_invMass.isZero() || !m_tmpSolverBodyPool[solverBodyIdB].m_invMass.isZero());
+
+ int iContact = 0;
+ for (int j = 0; j < manifold->getNumContacts(); j++)
+ {
+ btManifoldPoint& cp = manifold->getContactPoint(j);
+
+ if (cp.getDistance() <= manifold->getContactProcessingThreshold())
+ {
+ cachedInfo->contactPoints[iContact] = &cp;
+ cachedInfo->contactHasRollingFriction[iContact] = (cp.m_combinedRollingFriction > 0.f);
+ iContact++;
+ }
+ }
+ cachedInfo->numTouchingContacts = iContact;
+ }
+}
struct CollectContactManifoldCachedInfoLoop : public btIParallelForBody
{
- btSequentialImpulseConstraintSolverMt* m_solver;
- btSequentialImpulseConstraintSolverMt::btContactManifoldCachedInfo* m_cachedInfoArray;
- btPersistentManifold** m_manifoldPtr;
- const btContactSolverInfo* m_infoGlobal;
-
- CollectContactManifoldCachedInfoLoop( btSequentialImpulseConstraintSolverMt* solver, btSequentialImpulseConstraintSolverMt::btContactManifoldCachedInfo* cachedInfoArray, btPersistentManifold** manifoldPtr, const btContactSolverInfo& infoGlobal )
- {
- m_solver = solver;
- m_cachedInfoArray = cachedInfoArray;
- m_manifoldPtr = manifoldPtr;
- m_infoGlobal = &infoGlobal;
- }
- void forLoop( int iBegin, int iEnd ) const BT_OVERRIDE
- {
- m_solver->internalCollectContactManifoldCachedInfo( m_cachedInfoArray + iBegin, m_manifoldPtr + iBegin, iEnd - iBegin, *m_infoGlobal );
- }
-};
+ btSequentialImpulseConstraintSolverMt* m_solver;
+ btSequentialImpulseConstraintSolverMt::btContactManifoldCachedInfo* m_cachedInfoArray;
+ btPersistentManifold** m_manifoldPtr;
+ const btContactSolverInfo* m_infoGlobal;
+ CollectContactManifoldCachedInfoLoop(btSequentialImpulseConstraintSolverMt* solver, btSequentialImpulseConstraintSolverMt::btContactManifoldCachedInfo* cachedInfoArray, btPersistentManifold** manifoldPtr, const btContactSolverInfo& infoGlobal)
+ {
+ m_solver = solver;
+ m_cachedInfoArray = cachedInfoArray;
+ m_manifoldPtr = manifoldPtr;
+ m_infoGlobal = &infoGlobal;
+ }
+ void forLoop(int iBegin, int iEnd) const BT_OVERRIDE
+ {
+ m_solver->internalCollectContactManifoldCachedInfo(m_cachedInfoArray + iBegin, m_manifoldPtr + iBegin, iEnd - iBegin, *m_infoGlobal);
+ }
+};
void btSequentialImpulseConstraintSolverMt::internalAllocContactConstraints(const btContactManifoldCachedInfo* cachedInfoArray, int numManifolds)
{
- BT_PROFILE("internalAllocContactConstraints");
- // possibly parallel part
- for ( int iManifold = 0; iManifold < numManifolds; ++iManifold )
- {
- const btContactManifoldCachedInfo& cachedInfo = cachedInfoArray[ iManifold ];
- int contactIndex = cachedInfo.contactIndex;
- int frictionIndex = contactIndex * m_numFrictionDirections;
- int rollingFrictionIndex = cachedInfo.rollingFrictionIndex;
- for ( int i = 0; i < cachedInfo.numTouchingContacts; i++ )
- {
- btSolverConstraint& contactConstraint = m_tmpSolverContactConstraintPool[contactIndex];
- contactConstraint.m_solverBodyIdA = cachedInfo.solverBodyIds[ 0 ];
- contactConstraint.m_solverBodyIdB = cachedInfo.solverBodyIds[ 1 ];
- contactConstraint.m_originalContactPoint = cachedInfo.contactPoints[ i ];
-
- // allocate the friction constraints
- contactConstraint.m_frictionIndex = frictionIndex;
- for ( int iDir = 0; iDir < m_numFrictionDirections; ++iDir )
- {
- btSolverConstraint& frictionConstraint = m_tmpSolverContactFrictionConstraintPool[frictionIndex];
- frictionConstraint.m_frictionIndex = contactIndex;
- frictionIndex++;
- }
-
- // allocate rolling friction constraints
- if ( cachedInfo.contactHasRollingFriction[ i ] )
- {
- m_rollingFrictionIndexTable[ contactIndex ] = rollingFrictionIndex;
- // allocate 3 (although we may use only 2 sometimes)
- for ( int i = 0; i < 3; i++ )
- {
- m_tmpSolverContactRollingFrictionConstraintPool[ rollingFrictionIndex ].m_frictionIndex = contactIndex;
- rollingFrictionIndex++;
- }
- }
- else
- {
- // indicate there is no rolling friction for this contact point
- m_rollingFrictionIndexTable[ contactIndex ] = -1;
- }
- contactIndex++;
- }
- }
-}
+ BT_PROFILE("internalAllocContactConstraints");
+ // possibly parallel part
+ for (int iManifold = 0; iManifold < numManifolds; ++iManifold)
+ {
+ const btContactManifoldCachedInfo& cachedInfo = cachedInfoArray[iManifold];
+ int contactIndex = cachedInfo.contactIndex;
+ int frictionIndex = contactIndex * m_numFrictionDirections;
+ int rollingFrictionIndex = cachedInfo.rollingFrictionIndex;
+ for (int i = 0; i < cachedInfo.numTouchingContacts; i++)
+ {
+ btSolverConstraint& contactConstraint = m_tmpSolverContactConstraintPool[contactIndex];
+ contactConstraint.m_solverBodyIdA = cachedInfo.solverBodyIds[0];
+ contactConstraint.m_solverBodyIdB = cachedInfo.solverBodyIds[1];
+ contactConstraint.m_originalContactPoint = cachedInfo.contactPoints[i];
+
+ // allocate the friction constraints
+ contactConstraint.m_frictionIndex = frictionIndex;
+ for (int iDir = 0; iDir < m_numFrictionDirections; ++iDir)
+ {
+ btSolverConstraint& frictionConstraint = m_tmpSolverContactFrictionConstraintPool[frictionIndex];
+ frictionConstraint.m_frictionIndex = contactIndex;
+ frictionIndex++;
+ }
+ // allocate rolling friction constraints
+ if (cachedInfo.contactHasRollingFriction[i])
+ {
+ m_rollingFrictionIndexTable[contactIndex] = rollingFrictionIndex;
+ // allocate 3 (although we may use only 2 sometimes)
+ for (int i = 0; i < 3; i++)
+ {
+ m_tmpSolverContactRollingFrictionConstraintPool[rollingFrictionIndex].m_frictionIndex = contactIndex;
+ rollingFrictionIndex++;
+ }
+ }
+ else
+ {
+ // indicate there is no rolling friction for this contact point
+ m_rollingFrictionIndexTable[contactIndex] = -1;
+ }
+ contactIndex++;
+ }
+ }
+}
struct AllocContactConstraintsLoop : public btIParallelForBody
{
- btSequentialImpulseConstraintSolverMt* m_solver;
- const btSequentialImpulseConstraintSolverMt::btContactManifoldCachedInfo* m_cachedInfoArray;
-
- AllocContactConstraintsLoop( btSequentialImpulseConstraintSolverMt* solver, btSequentialImpulseConstraintSolverMt::btContactManifoldCachedInfo* cachedInfoArray )
- {
- m_solver = solver;
- m_cachedInfoArray = cachedInfoArray;
- }
- void forLoop( int iBegin, int iEnd ) const BT_OVERRIDE
- {
- m_solver->internalAllocContactConstraints( m_cachedInfoArray + iBegin, iEnd - iBegin );
- }
-};
+ btSequentialImpulseConstraintSolverMt* m_solver;
+ const btSequentialImpulseConstraintSolverMt::btContactManifoldCachedInfo* m_cachedInfoArray;
+ AllocContactConstraintsLoop(btSequentialImpulseConstraintSolverMt* solver, btSequentialImpulseConstraintSolverMt::btContactManifoldCachedInfo* cachedInfoArray)
+ {
+ m_solver = solver;
+ m_cachedInfoArray = cachedInfoArray;
+ }
+ void forLoop(int iBegin, int iEnd) const BT_OVERRIDE
+ {
+ m_solver->internalAllocContactConstraints(m_cachedInfoArray + iBegin, iEnd - iBegin);
+ }
+};
void btSequentialImpulseConstraintSolverMt::allocAllContactConstraints(btPersistentManifold** manifoldPtr, int numManifolds, const btContactSolverInfo& infoGlobal)
{
- BT_PROFILE( "allocAllContactConstraints" );
- btAlignedObjectArray<btContactManifoldCachedInfo> cachedInfoArray; // = m_manifoldCachedInfoArray;
- cachedInfoArray.resizeNoInitialize( numManifolds );
- if (/* DISABLES CODE */ (false))
- {
- // sequential
- internalCollectContactManifoldCachedInfo(&cachedInfoArray[ 0 ], manifoldPtr, numManifolds, infoGlobal);
- }
- else
- {
- // may alter ordering of bodies which affects determinism
- CollectContactManifoldCachedInfoLoop loop( this, &cachedInfoArray[ 0 ], manifoldPtr, infoGlobal );
- int grainSize = 200;
- btParallelFor( 0, numManifolds, grainSize, loop );
- }
-
- {
- // serial part
- int numContacts = 0;
- int numRollingFrictionConstraints = 0;
- for ( int iManifold = 0; iManifold < numManifolds; ++iManifold )
- {
- btContactManifoldCachedInfo& cachedInfo = cachedInfoArray[ iManifold ];
- cachedInfo.contactIndex = numContacts;
- cachedInfo.rollingFrictionIndex = numRollingFrictionConstraints;
- numContacts += cachedInfo.numTouchingContacts;
- for (int i = 0; i < cachedInfo.numTouchingContacts; ++i)
- {
- if (cachedInfo.contactHasRollingFriction[i])
- {
- numRollingFrictionConstraints += 3;
- }
- }
- }
- {
- BT_PROFILE( "allocPools" );
- if ( m_tmpSolverContactConstraintPool.capacity() < numContacts )
- {
- // if we need to reallocate, reserve some extra so we don't have to reallocate again next frame
- int extraReserve = numContacts / 16;
- m_tmpSolverContactConstraintPool.reserve( numContacts + extraReserve );
- m_rollingFrictionIndexTable.reserve( numContacts + extraReserve );
- m_tmpSolverContactFrictionConstraintPool.reserve( ( numContacts + extraReserve )*m_numFrictionDirections );
- m_tmpSolverContactRollingFrictionConstraintPool.reserve( numRollingFrictionConstraints + extraReserve );
- }
- m_tmpSolverContactConstraintPool.resizeNoInitialize( numContacts );
- m_rollingFrictionIndexTable.resizeNoInitialize( numContacts );
- m_tmpSolverContactFrictionConstraintPool.resizeNoInitialize( numContacts*m_numFrictionDirections );
- m_tmpSolverContactRollingFrictionConstraintPool.resizeNoInitialize( numRollingFrictionConstraints );
- }
- }
- {
- AllocContactConstraintsLoop loop(this, &cachedInfoArray[0]);
- int grainSize = 200;
- btParallelFor( 0, numManifolds, grainSize, loop );
- }
-}
+ BT_PROFILE("allocAllContactConstraints");
+ btAlignedObjectArray<btContactManifoldCachedInfo> cachedInfoArray; // = m_manifoldCachedInfoArray;
+ cachedInfoArray.resizeNoInitialize(numManifolds);
+ if (/* DISABLES CODE */ (false))
+ {
+ // sequential
+ internalCollectContactManifoldCachedInfo(&cachedInfoArray[0], manifoldPtr, numManifolds, infoGlobal);
+ }
+ else
+ {
+ // may alter ordering of bodies which affects determinism
+ CollectContactManifoldCachedInfoLoop loop(this, &cachedInfoArray[0], manifoldPtr, infoGlobal);
+ int grainSize = 200;
+ btParallelFor(0, numManifolds, grainSize, loop);
+ }
+ {
+ // serial part
+ int numContacts = 0;
+ int numRollingFrictionConstraints = 0;
+ for (int iManifold = 0; iManifold < numManifolds; ++iManifold)
+ {
+ btContactManifoldCachedInfo& cachedInfo = cachedInfoArray[iManifold];
+ cachedInfo.contactIndex = numContacts;
+ cachedInfo.rollingFrictionIndex = numRollingFrictionConstraints;
+ numContacts += cachedInfo.numTouchingContacts;
+ for (int i = 0; i < cachedInfo.numTouchingContacts; ++i)
+ {
+ if (cachedInfo.contactHasRollingFriction[i])
+ {
+ numRollingFrictionConstraints += 3;
+ }
+ }
+ }
+ {
+ BT_PROFILE("allocPools");
+ if (m_tmpSolverContactConstraintPool.capacity() < numContacts)
+ {
+ // if we need to reallocate, reserve some extra so we don't have to reallocate again next frame
+ int extraReserve = numContacts / 16;
+ m_tmpSolverContactConstraintPool.reserve(numContacts + extraReserve);
+ m_rollingFrictionIndexTable.reserve(numContacts + extraReserve);
+ m_tmpSolverContactFrictionConstraintPool.reserve((numContacts + extraReserve) * m_numFrictionDirections);
+ m_tmpSolverContactRollingFrictionConstraintPool.reserve(numRollingFrictionConstraints + extraReserve);
+ }
+ m_tmpSolverContactConstraintPool.resizeNoInitialize(numContacts);
+ m_rollingFrictionIndexTable.resizeNoInitialize(numContacts);
+ m_tmpSolverContactFrictionConstraintPool.resizeNoInitialize(numContacts * m_numFrictionDirections);
+ m_tmpSolverContactRollingFrictionConstraintPool.resizeNoInitialize(numRollingFrictionConstraints);
+ }
+ }
+ {
+ AllocContactConstraintsLoop loop(this, &cachedInfoArray[0]);
+ int grainSize = 200;
+ btParallelFor(0, numManifolds, grainSize, loop);
+ }
+}
void btSequentialImpulseConstraintSolverMt::convertContacts(btPersistentManifold** manifoldPtr, int numManifolds, const btContactSolverInfo& infoGlobal)
{
- if (!m_useBatching)
- {
- btSequentialImpulseConstraintSolver::convertContacts(manifoldPtr, numManifolds, infoGlobal);
- return;
- }
- BT_PROFILE( "convertContacts" );
- if (numManifolds > 0)
- {
- if ( m_fixedBodyId < 0 )
- {
- m_fixedBodyId = m_tmpSolverBodyPool.size();
- btSolverBody& fixedBody = m_tmpSolverBodyPool.expand();
- initSolverBody( &fixedBody, 0, infoGlobal.m_timeStep );
- }
- allocAllContactConstraints( manifoldPtr, numManifolds, infoGlobal );
- if ( m_useBatching )
- {
- setupBatchedContactConstraints();
- }
- setupAllContactConstraints( infoGlobal );
- }
+ if (!m_useBatching)
+ {
+ btSequentialImpulseConstraintSolver::convertContacts(manifoldPtr, numManifolds, infoGlobal);
+ return;
+ }
+ BT_PROFILE("convertContacts");
+ if (numManifolds > 0)
+ {
+ if (m_fixedBodyId < 0)
+ {
+ m_fixedBodyId = m_tmpSolverBodyPool.size();
+ btSolverBody& fixedBody = m_tmpSolverBodyPool.expand();
+ initSolverBody(&fixedBody, 0, infoGlobal.m_timeStep);
+ }
+ allocAllContactConstraints(manifoldPtr, numManifolds, infoGlobal);
+ if (m_useBatching)
+ {
+ setupBatchedContactConstraints();
+ }
+ setupAllContactConstraints(infoGlobal);
+ }
}
-
-void btSequentialImpulseConstraintSolverMt::internalInitMultipleJoints( btTypedConstraint** constraints, int iBegin, int iEnd )
+void btSequentialImpulseConstraintSolverMt::internalInitMultipleJoints(btTypedConstraint** constraints, int iBegin, int iEnd)
{
- BT_PROFILE("internalInitMultipleJoints");
- for ( int i = iBegin; i < iEnd; i++ )
+ BT_PROFILE("internalInitMultipleJoints");
+ for (int i = iBegin; i < iEnd; i++)
{
btTypedConstraint* constraint = constraints[i];
btTypedConstraint::btConstraintInfo1& info1 = m_tmpConstraintSizesPool[i];
if (constraint->isEnabled())
- {
- constraint->buildJacobian();
- constraint->internalSetAppliedImpulse( 0.0f );
- btJointFeedback* fb = constraint->getJointFeedback();
- if ( fb )
- {
- fb->m_appliedForceBodyA.setZero();
- fb->m_appliedTorqueBodyA.setZero();
- fb->m_appliedForceBodyB.setZero();
- fb->m_appliedTorqueBodyB.setZero();
- }
- constraint->getInfo1( &info1 );
- }
- else
+ {
+ constraint->buildJacobian();
+ constraint->internalSetAppliedImpulse(0.0f);
+ btJointFeedback* fb = constraint->getJointFeedback();
+ if (fb)
+ {
+ fb->m_appliedForceBodyA.setZero();
+ fb->m_appliedTorqueBodyA.setZero();
+ fb->m_appliedForceBodyB.setZero();
+ fb->m_appliedTorqueBodyB.setZero();
+ }
+ constraint->getInfo1(&info1);
+ }
+ else
{
info1.m_numConstraintRows = 0;
info1.nub = 0;
@@ -646,158 +624,151 @@ void btSequentialImpulseConstraintSolverMt::internalInitMultipleJoints( btTypedC
}
}
-
struct InitJointsLoop : public btIParallelForBody
{
- btSequentialImpulseConstraintSolverMt* m_solver;
- btTypedConstraint** m_constraints;
-
- InitJointsLoop( btSequentialImpulseConstraintSolverMt* solver, btTypedConstraint** constraints )
- {
- m_solver = solver;
- m_constraints = constraints;
- }
- void forLoop( int iBegin, int iEnd ) const BT_OVERRIDE
- {
- m_solver->internalInitMultipleJoints( m_constraints, iBegin, iEnd );
- }
-};
+ btSequentialImpulseConstraintSolverMt* m_solver;
+ btTypedConstraint** m_constraints;
+ InitJointsLoop(btSequentialImpulseConstraintSolverMt* solver, btTypedConstraint** constraints)
+ {
+ m_solver = solver;
+ m_constraints = constraints;
+ }
+ void forLoop(int iBegin, int iEnd) const BT_OVERRIDE
+ {
+ m_solver->internalInitMultipleJoints(m_constraints, iBegin, iEnd);
+ }
+};
-void btSequentialImpulseConstraintSolverMt::internalConvertMultipleJoints( const btAlignedObjectArray<JointParams>& jointParamsArray, btTypedConstraint** constraints, int iBegin, int iEnd, const btContactSolverInfo& infoGlobal )
+void btSequentialImpulseConstraintSolverMt::internalConvertMultipleJoints(const btAlignedObjectArray<JointParams>& jointParamsArray, btTypedConstraint** constraints, int iBegin, int iEnd, const btContactSolverInfo& infoGlobal)
{
- BT_PROFILE("internalConvertMultipleJoints");
- for ( int i = iBegin; i < iEnd; ++i )
- {
- const JointParams& jointParams = jointParamsArray[ i ];
- int currentRow = jointParams.m_solverConstraint;
- if ( currentRow != -1 )
- {
- const btTypedConstraint::btConstraintInfo1& info1 = m_tmpConstraintSizesPool[ i ];
- btAssert( currentRow < m_tmpSolverNonContactConstraintPool.size() );
- btAssert( info1.m_numConstraintRows > 0 );
-
- btSolverConstraint* currentConstraintRow = &m_tmpSolverNonContactConstraintPool[ currentRow ];
- btTypedConstraint* constraint = constraints[ i ];
-
- convertJoint( currentConstraintRow, constraint, info1, jointParams.m_solverBodyA, jointParams.m_solverBodyB, infoGlobal );
- }
- }
-}
+ BT_PROFILE("internalConvertMultipleJoints");
+ for (int i = iBegin; i < iEnd; ++i)
+ {
+ const JointParams& jointParams = jointParamsArray[i];
+ int currentRow = jointParams.m_solverConstraint;
+ if (currentRow != -1)
+ {
+ const btTypedConstraint::btConstraintInfo1& info1 = m_tmpConstraintSizesPool[i];
+ btAssert(currentRow < m_tmpSolverNonContactConstraintPool.size());
+ btAssert(info1.m_numConstraintRows > 0);
+
+ btSolverConstraint* currentConstraintRow = &m_tmpSolverNonContactConstraintPool[currentRow];
+ btTypedConstraint* constraint = constraints[i];
+ convertJoint(currentConstraintRow, constraint, info1, jointParams.m_solverBodyA, jointParams.m_solverBodyB, infoGlobal);
+ }
+ }
+}
struct ConvertJointsLoop : public btIParallelForBody
{
- btSequentialImpulseConstraintSolverMt* m_solver;
- const btAlignedObjectArray<btSequentialImpulseConstraintSolverMt::JointParams>& m_jointParamsArray;
- btTypedConstraint** m_srcConstraints;
- const btContactSolverInfo& m_infoGlobal;
-
- ConvertJointsLoop( btSequentialImpulseConstraintSolverMt* solver,
- const btAlignedObjectArray<btSequentialImpulseConstraintSolverMt::JointParams>& jointParamsArray,
- btTypedConstraint** srcConstraints,
- const btContactSolverInfo& infoGlobal
- ) :
- m_jointParamsArray(jointParamsArray),
- m_infoGlobal(infoGlobal)
- {
- m_solver = solver;
- m_srcConstraints = srcConstraints;
- }
- void forLoop( int iBegin, int iEnd ) const BT_OVERRIDE
- {
- m_solver->internalConvertMultipleJoints( m_jointParamsArray, m_srcConstraints, iBegin, iEnd, m_infoGlobal );
- }
+ btSequentialImpulseConstraintSolverMt* m_solver;
+ const btAlignedObjectArray<btSequentialImpulseConstraintSolverMt::JointParams>& m_jointParamsArray;
+ btTypedConstraint** m_srcConstraints;
+ const btContactSolverInfo& m_infoGlobal;
+
+ ConvertJointsLoop(btSequentialImpulseConstraintSolverMt* solver,
+ const btAlignedObjectArray<btSequentialImpulseConstraintSolverMt::JointParams>& jointParamsArray,
+ btTypedConstraint** srcConstraints,
+ const btContactSolverInfo& infoGlobal) : m_jointParamsArray(jointParamsArray),
+ m_infoGlobal(infoGlobal)
+ {
+ m_solver = solver;
+ m_srcConstraints = srcConstraints;
+ }
+ void forLoop(int iBegin, int iEnd) const BT_OVERRIDE
+ {
+ m_solver->internalConvertMultipleJoints(m_jointParamsArray, m_srcConstraints, iBegin, iEnd, m_infoGlobal);
+ }
};
-
void btSequentialImpulseConstraintSolverMt::convertJoints(btTypedConstraint** constraints, int numConstraints, const btContactSolverInfo& infoGlobal)
{
- if ( !m_useBatching )
- {
- btSequentialImpulseConstraintSolver::convertJoints(constraints, numConstraints, infoGlobal);
- return;
- }
- BT_PROFILE("convertJoints");
- bool parallelJointSetup = true;
+ if (!m_useBatching)
+ {
+ btSequentialImpulseConstraintSolver::convertJoints(constraints, numConstraints, infoGlobal);
+ return;
+ }
+ BT_PROFILE("convertJoints");
+ bool parallelJointSetup = true;
m_tmpConstraintSizesPool.resizeNoInitialize(numConstraints);
- if (parallelJointSetup)
- {
- InitJointsLoop loop(this, constraints);
- int grainSize = 40;
- btParallelFor(0, numConstraints, grainSize, loop);
- }
- else
- {
- internalInitMultipleJoints( constraints, 0, numConstraints );
- }
+ if (parallelJointSetup)
+ {
+ InitJointsLoop loop(this, constraints);
+ int grainSize = 40;
+ btParallelFor(0, numConstraints, grainSize, loop);
+ }
+ else
+ {
+ internalInitMultipleJoints(constraints, 0, numConstraints);
+ }
int totalNumRows = 0;
- btAlignedObjectArray<JointParams> jointParamsArray;
- jointParamsArray.resizeNoInitialize(numConstraints);
+ btAlignedObjectArray<JointParams> jointParamsArray;
+ jointParamsArray.resizeNoInitialize(numConstraints);
//calculate the total number of contraint rows
- for (int i=0;i<numConstraints;i++)
+ for (int i = 0; i < numConstraints; i++)
{
- btTypedConstraint* constraint = constraints[ i ];
+ btTypedConstraint* constraint = constraints[i];
- JointParams& params = jointParamsArray[ i ];
+ JointParams& params = jointParamsArray[i];
const btTypedConstraint::btConstraintInfo1& info1 = m_tmpConstraintSizesPool[i];
if (info1.m_numConstraintRows)
{
- params.m_solverConstraint = totalNumRows;
- params.m_solverBodyA = getOrInitSolverBody( constraint->getRigidBodyA(), infoGlobal.m_timeStep );
- params.m_solverBodyB = getOrInitSolverBody( constraint->getRigidBodyB(), infoGlobal.m_timeStep );
+ params.m_solverConstraint = totalNumRows;
+ params.m_solverBodyA = getOrInitSolverBody(constraint->getRigidBodyA(), infoGlobal.m_timeStep);
+ params.m_solverBodyB = getOrInitSolverBody(constraint->getRigidBodyB(), infoGlobal.m_timeStep);
}
- else
+ else
{
- params.m_solverConstraint = -1;
+ params.m_solverConstraint = -1;
}
totalNumRows += info1.m_numConstraintRows;
}
m_tmpSolverNonContactConstraintPool.resizeNoInitialize(totalNumRows);
///setup the btSolverConstraints
- if ( parallelJointSetup )
- {
- ConvertJointsLoop loop(this, jointParamsArray, constraints, infoGlobal);
- int grainSize = 20;
- btParallelFor(0, numConstraints, grainSize, loop);
- }
- else
- {
- internalConvertMultipleJoints( jointParamsArray, constraints, 0, numConstraints, infoGlobal );
- }
- setupBatchedJointConstraints();
+ if (parallelJointSetup)
+ {
+ ConvertJointsLoop loop(this, jointParamsArray, constraints, infoGlobal);
+ int grainSize = 20;
+ btParallelFor(0, numConstraints, grainSize, loop);
+ }
+ else
+ {
+ internalConvertMultipleJoints(jointParamsArray, constraints, 0, numConstraints, infoGlobal);
+ }
+ setupBatchedJointConstraints();
}
-
void btSequentialImpulseConstraintSolverMt::internalConvertBodies(btCollisionObject** bodies, int iBegin, int iEnd, const btContactSolverInfo& infoGlobal)
{
- BT_PROFILE("internalConvertBodies");
- for (int i=iBegin; i < iEnd; i++)
+ BT_PROFILE("internalConvertBodies");
+ for (int i = iBegin; i < iEnd; i++)
{
- btCollisionObject* obj = bodies[i];
+ btCollisionObject* obj = bodies[i];
obj->setCompanionId(i);
btSolverBody& solverBody = m_tmpSolverBodyPool[i];
- initSolverBody(&solverBody, obj, infoGlobal.m_timeStep);
+ initSolverBody(&solverBody, obj, infoGlobal.m_timeStep);
btRigidBody* body = btRigidBody::upcast(obj);
if (body && body->getInvMass())
{
- btVector3 gyroForce (0,0,0);
- if (body->getFlags()&BT_ENABLE_GYROSCOPIC_FORCE_EXPLICIT)
+ btVector3 gyroForce(0, 0, 0);
+ if (body->getFlags() & BT_ENABLE_GYROSCOPIC_FORCE_EXPLICIT)
{
gyroForce = body->computeGyroscopicForceExplicit(infoGlobal.m_maxGyroscopicForce);
- solverBody.m_externalTorqueImpulse -= gyroForce*body->getInvInertiaTensorWorld()*infoGlobal.m_timeStep;
+ solverBody.m_externalTorqueImpulse -= gyroForce * body->getInvInertiaTensorWorld() * infoGlobal.m_timeStep;
}
- if (body->getFlags()&BT_ENABLE_GYROSCOPIC_FORCE_IMPLICIT_WORLD)
+ if (body->getFlags() & BT_ENABLE_GYROSCOPIC_FORCE_IMPLICIT_WORLD)
{
gyroForce = body->computeGyroscopicImpulseImplicit_World(infoGlobal.m_timeStep);
solverBody.m_externalTorqueImpulse += gyroForce;
}
- if (body->getFlags()&BT_ENABLE_GYROSCOPIC_FORCE_IMPLICIT_BODY)
+ if (body->getFlags() & BT_ENABLE_GYROSCOPIC_FORCE_IMPLICIT_BODY)
{
gyroForce = body->computeGyroscopicImpulseImplicit_Body(infoGlobal.m_timeStep);
solverBody.m_externalTorqueImpulse += gyroForce;
@@ -806,809 +777,772 @@ void btSequentialImpulseConstraintSolverMt::internalConvertBodies(btCollisionObj
}
}
-
struct ConvertBodiesLoop : public btIParallelForBody
{
- btSequentialImpulseConstraintSolverMt* m_solver;
- btCollisionObject** m_bodies;
- int m_numBodies;
- const btContactSolverInfo& m_infoGlobal;
-
- ConvertBodiesLoop( btSequentialImpulseConstraintSolverMt* solver,
- btCollisionObject** bodies,
- int numBodies,
- const btContactSolverInfo& infoGlobal
- ) :
- m_infoGlobal(infoGlobal)
- {
- m_solver = solver;
- m_bodies = bodies;
- m_numBodies = numBodies;
- }
- void forLoop( int iBegin, int iEnd ) const BT_OVERRIDE
- {
- m_solver->internalConvertBodies( m_bodies, iBegin, iEnd, m_infoGlobal );
- }
+ btSequentialImpulseConstraintSolverMt* m_solver;
+ btCollisionObject** m_bodies;
+ int m_numBodies;
+ const btContactSolverInfo& m_infoGlobal;
+
+ ConvertBodiesLoop(btSequentialImpulseConstraintSolverMt* solver,
+ btCollisionObject** bodies,
+ int numBodies,
+ const btContactSolverInfo& infoGlobal) : m_infoGlobal(infoGlobal)
+ {
+ m_solver = solver;
+ m_bodies = bodies;
+ m_numBodies = numBodies;
+ }
+ void forLoop(int iBegin, int iEnd) const BT_OVERRIDE
+ {
+ m_solver->internalConvertBodies(m_bodies, iBegin, iEnd, m_infoGlobal);
+ }
};
-
void btSequentialImpulseConstraintSolverMt::convertBodies(btCollisionObject** bodies, int numBodies, const btContactSolverInfo& infoGlobal)
{
- BT_PROFILE("convertBodies");
- m_kinematicBodyUniqueIdToSolverBodyTable.resize( 0 );
-
- m_tmpSolverBodyPool.resizeNoInitialize(numBodies+1);
-
- m_fixedBodyId = numBodies;
- {
- btSolverBody& fixedBody = m_tmpSolverBodyPool[ m_fixedBodyId ];
- initSolverBody( &fixedBody, NULL, infoGlobal.m_timeStep );
- }
-
- bool parallelBodySetup = true;
- if (parallelBodySetup)
- {
- ConvertBodiesLoop loop(this, bodies, numBodies, infoGlobal);
- int grainSize = 40;
- btParallelFor(0, numBodies, grainSize, loop);
- }
- else
- {
- internalConvertBodies( bodies, 0, numBodies, infoGlobal );
- }
-}
+ BT_PROFILE("convertBodies");
+ m_kinematicBodyUniqueIdToSolverBodyTable.resize(0);
+ m_tmpSolverBodyPool.resizeNoInitialize(numBodies + 1);
+
+ m_fixedBodyId = numBodies;
+ {
+ btSolverBody& fixedBody = m_tmpSolverBodyPool[m_fixedBodyId];
+ initSolverBody(&fixedBody, NULL, infoGlobal.m_timeStep);
+ }
+
+ bool parallelBodySetup = true;
+ if (parallelBodySetup)
+ {
+ ConvertBodiesLoop loop(this, bodies, numBodies, infoGlobal);
+ int grainSize = 40;
+ btParallelFor(0, numBodies, grainSize, loop);
+ }
+ else
+ {
+ internalConvertBodies(bodies, 0, numBodies, infoGlobal);
+ }
+}
btScalar btSequentialImpulseConstraintSolverMt::solveGroupCacheFriendlySetup(
- btCollisionObject** bodies,
- int numBodies,
- btPersistentManifold** manifoldPtr,
- int numManifolds,
- btTypedConstraint** constraints,
- int numConstraints,
- const btContactSolverInfo& infoGlobal,
- btIDebugDraw* debugDrawer
- )
+ btCollisionObject** bodies,
+ int numBodies,
+ btPersistentManifold** manifoldPtr,
+ int numManifolds,
+ btTypedConstraint** constraints,
+ int numConstraints,
+ const btContactSolverInfo& infoGlobal,
+ btIDebugDraw* debugDrawer)
{
- m_numFrictionDirections = (infoGlobal.m_solverMode & SOLVER_USE_2_FRICTION_DIRECTIONS) ? 2 : 1;
- m_useBatching = false;
- if ( numManifolds >= s_minimumContactManifoldsForBatching &&
- (s_allowNestedParallelForLoops || !btThreadsAreRunning())
- )
- {
- m_useBatching = true;
- m_batchedContactConstraints.m_debugDrawer = debugDrawer;
- m_batchedJointConstraints.m_debugDrawer = debugDrawer;
- }
- btSequentialImpulseConstraintSolver::solveGroupCacheFriendlySetup( bodies,
- numBodies,
- manifoldPtr,
- numManifolds,
- constraints,
- numConstraints,
- infoGlobal,
- debugDrawer
- );
- return 0.0f;
+ m_numFrictionDirections = (infoGlobal.m_solverMode & SOLVER_USE_2_FRICTION_DIRECTIONS) ? 2 : 1;
+ m_useBatching = false;
+ if (numManifolds >= s_minimumContactManifoldsForBatching &&
+ (s_allowNestedParallelForLoops || !btThreadsAreRunning()))
+ {
+ m_useBatching = true;
+ m_batchedContactConstraints.m_debugDrawer = debugDrawer;
+ m_batchedJointConstraints.m_debugDrawer = debugDrawer;
+ }
+ btSequentialImpulseConstraintSolver::solveGroupCacheFriendlySetup(bodies,
+ numBodies,
+ manifoldPtr,
+ numManifolds,
+ constraints,
+ numConstraints,
+ infoGlobal,
+ debugDrawer);
+ return 0.0f;
}
-
-btScalar btSequentialImpulseConstraintSolverMt::resolveMultipleContactSplitPenetrationImpulseConstraints( const btAlignedObjectArray<int>& consIndices, int batchBegin, int batchEnd )
+btScalar btSequentialImpulseConstraintSolverMt::resolveMultipleContactSplitPenetrationImpulseConstraints(const btAlignedObjectArray<int>& consIndices, int batchBegin, int batchEnd)
{
- btScalar leastSquaresResidual = 0.f;
- for ( int iiCons = batchBegin; iiCons < batchEnd; ++iiCons )
- {
- int iCons = consIndices[ iiCons ];
- const btSolverConstraint& solveManifold = m_tmpSolverContactConstraintPool[ iCons ];
- btSolverBody& bodyA = m_tmpSolverBodyPool[ solveManifold.m_solverBodyIdA ];
- btSolverBody& bodyB = m_tmpSolverBodyPool[ solveManifold.m_solverBodyIdB ];
- btScalar residual = resolveSplitPenetrationImpulse( bodyA, bodyB, solveManifold );
- leastSquaresResidual += residual*residual;
- }
- return leastSquaresResidual;
+ btScalar leastSquaresResidual = 0.f;
+ for (int iiCons = batchBegin; iiCons < batchEnd; ++iiCons)
+ {
+ int iCons = consIndices[iiCons];
+ const btSolverConstraint& solveManifold = m_tmpSolverContactConstraintPool[iCons];
+ btSolverBody& bodyA = m_tmpSolverBodyPool[solveManifold.m_solverBodyIdA];
+ btSolverBody& bodyB = m_tmpSolverBodyPool[solveManifold.m_solverBodyIdB];
+ btScalar residual = resolveSplitPenetrationImpulse(bodyA, bodyB, solveManifold);
+ leastSquaresResidual += residual * residual;
+ }
+ return leastSquaresResidual;
}
-
struct ContactSplitPenetrationImpulseSolverLoop : public btIParallelSumBody
{
- btSequentialImpulseConstraintSolverMt* m_solver;
- const btBatchedConstraints* m_bc;
-
- ContactSplitPenetrationImpulseSolverLoop( btSequentialImpulseConstraintSolverMt* solver, const btBatchedConstraints* bc )
- {
- m_solver = solver;
- m_bc = bc;
- }
- btScalar sumLoop( int iBegin, int iEnd ) const BT_OVERRIDE
- {
- BT_PROFILE( "ContactSplitPenetrationImpulseSolverLoop" );
- btScalar sum = 0;
- for ( int iBatch = iBegin; iBatch < iEnd; ++iBatch )
- {
- const btBatchedConstraints::Range& batch = m_bc->m_batches[ iBatch ];
- sum += m_solver->resolveMultipleContactSplitPenetrationImpulseConstraints( m_bc->m_constraintIndices, batch.begin, batch.end );
- }
- return sum;
- }
-};
+ btSequentialImpulseConstraintSolverMt* m_solver;
+ const btBatchedConstraints* m_bc;
+ ContactSplitPenetrationImpulseSolverLoop(btSequentialImpulseConstraintSolverMt* solver, const btBatchedConstraints* bc)
+ {
+ m_solver = solver;
+ m_bc = bc;
+ }
+ btScalar sumLoop(int iBegin, int iEnd) const BT_OVERRIDE
+ {
+ BT_PROFILE("ContactSplitPenetrationImpulseSolverLoop");
+ btScalar sum = 0;
+ for (int iBatch = iBegin; iBatch < iEnd; ++iBatch)
+ {
+ const btBatchedConstraints::Range& batch = m_bc->m_batches[iBatch];
+ sum += m_solver->resolveMultipleContactSplitPenetrationImpulseConstraints(m_bc->m_constraintIndices, batch.begin, batch.end);
+ }
+ return sum;
+ }
+};
-void btSequentialImpulseConstraintSolverMt::solveGroupCacheFriendlySplitImpulseIterations(btCollisionObject** bodies,int numBodies,btPersistentManifold** manifoldPtr, int numManifolds,btTypedConstraint** constraints,int numConstraints,const btContactSolverInfo& infoGlobal,btIDebugDraw* debugDrawer)
+void btSequentialImpulseConstraintSolverMt::solveGroupCacheFriendlySplitImpulseIterations(btCollisionObject** bodies, int numBodies, btPersistentManifold** manifoldPtr, int numManifolds, btTypedConstraint** constraints, int numConstraints, const btContactSolverInfo& infoGlobal, btIDebugDraw* debugDrawer)
{
BT_PROFILE("solveGroupCacheFriendlySplitImpulseIterations");
if (infoGlobal.m_splitImpulse)
{
- for ( int iteration = 0; iteration < infoGlobal.m_numIterations; iteration++ )
- {
- btScalar leastSquaresResidual = 0.f;
- if (m_useBatching)
- {
- const btBatchedConstraints& batchedCons = m_batchedContactConstraints;
- ContactSplitPenetrationImpulseSolverLoop loop( this, &batchedCons );
- btScalar leastSquaresResidual = 0.f;
- for ( int iiPhase = 0; iiPhase < batchedCons.m_phases.size(); ++iiPhase )
- {
- int iPhase = batchedCons.m_phaseOrder[ iiPhase ];
- const btBatchedConstraints::Range& phase = batchedCons.m_phases[ iPhase ];
- int grainSize = batchedCons.m_phaseGrainSize[iPhase];
- leastSquaresResidual += btParallelSum( phase.begin, phase.end, grainSize, loop );
- }
- }
- else
- {
- // non-batched
- leastSquaresResidual = resolveMultipleContactSplitPenetrationImpulseConstraints(m_orderTmpConstraintPool, 0, m_tmpSolverContactConstraintPool.size());
- }
- if ( leastSquaresResidual <= infoGlobal.m_leastSquaresResidualThreshold || iteration >= ( infoGlobal.m_numIterations - 1 ) )
- {
+ for (int iteration = 0; iteration < infoGlobal.m_numIterations; iteration++)
+ {
+ btScalar leastSquaresResidual = 0.f;
+ if (m_useBatching)
+ {
+ const btBatchedConstraints& batchedCons = m_batchedContactConstraints;
+ ContactSplitPenetrationImpulseSolverLoop loop(this, &batchedCons);
+ btScalar leastSquaresResidual = 0.f;
+ for (int iiPhase = 0; iiPhase < batchedCons.m_phases.size(); ++iiPhase)
+ {
+ int iPhase = batchedCons.m_phaseOrder[iiPhase];
+ const btBatchedConstraints::Range& phase = batchedCons.m_phases[iPhase];
+ int grainSize = batchedCons.m_phaseGrainSize[iPhase];
+ leastSquaresResidual += btParallelSum(phase.begin, phase.end, grainSize, loop);
+ }
+ }
+ else
+ {
+ // non-batched
+ leastSquaresResidual = resolveMultipleContactSplitPenetrationImpulseConstraints(m_orderTmpConstraintPool, 0, m_tmpSolverContactConstraintPool.size());
+ }
+ if (leastSquaresResidual <= infoGlobal.m_leastSquaresResidualThreshold || iteration >= (infoGlobal.m_numIterations - 1))
+ {
#ifdef VERBOSE_RESIDUAL_PRINTF
- printf( "residual = %f at iteration #%d\n", leastSquaresResidual, iteration );
+ printf("residual = %f at iteration #%d\n", leastSquaresResidual, iteration);
#endif
- break;
- }
- }
+ break;
+ }
+ }
}
}
-
-btScalar btSequentialImpulseConstraintSolverMt::solveSingleIteration(int iteration, btCollisionObject** bodies, int numBodies, btPersistentManifold** manifoldPtr, int numManifolds, btTypedConstraint** constraints,int numConstraints,const btContactSolverInfo& infoGlobal,btIDebugDraw* debugDrawer)
+btScalar btSequentialImpulseConstraintSolverMt::solveSingleIteration(int iteration, btCollisionObject** bodies, int numBodies, btPersistentManifold** manifoldPtr, int numManifolds, btTypedConstraint** constraints, int numConstraints, const btContactSolverInfo& infoGlobal, btIDebugDraw* debugDrawer)
{
- if ( !m_useBatching )
- {
- return btSequentialImpulseConstraintSolver::solveSingleIteration( iteration, bodies, numBodies, manifoldPtr, numManifolds, constraints, numConstraints, infoGlobal, debugDrawer );
- }
- BT_PROFILE( "solveSingleIterationMt" );
- btScalar leastSquaresResidual = 0.f;
+ if (!m_useBatching)
+ {
+ return btSequentialImpulseConstraintSolver::solveSingleIteration(iteration, bodies, numBodies, manifoldPtr, numManifolds, constraints, numConstraints, infoGlobal, debugDrawer);
+ }
+ BT_PROFILE("solveSingleIterationMt");
+ btScalar leastSquaresResidual = 0.f;
if (infoGlobal.m_solverMode & SOLVER_RANDMIZE_ORDER)
{
- if (1) // uncomment this for a bit less random ((iteration & 7) == 0)
+ if (1) // uncomment this for a bit less random ((iteration & 7) == 0)
{
- randomizeConstraintOrdering(iteration, infoGlobal.m_numIterations);
+ randomizeConstraintOrdering(iteration, infoGlobal.m_numIterations);
}
}
{
///solve all joint constraints
- leastSquaresResidual += resolveAllJointConstraints(iteration);
+ leastSquaresResidual += resolveAllJointConstraints(iteration);
- if (iteration< infoGlobal.m_numIterations)
+ if (iteration < infoGlobal.m_numIterations)
{
- // this loop is only used for cone-twist constraints,
- // it would be nice to skip this loop if none of the constraints need it
- if ( m_useObsoleteJointConstraints )
- {
- for ( int j = 0; j<numConstraints; j++ )
- {
- if ( constraints[ j ]->isEnabled() )
- {
- int bodyAid = getOrInitSolverBody( constraints[ j ]->getRigidBodyA(), infoGlobal.m_timeStep );
- int bodyBid = getOrInitSolverBody( constraints[ j ]->getRigidBodyB(), infoGlobal.m_timeStep );
- btSolverBody& bodyA = m_tmpSolverBodyPool[ bodyAid ];
- btSolverBody& bodyB = m_tmpSolverBodyPool[ bodyBid ];
- constraints[ j ]->solveConstraintObsolete( bodyA, bodyB, infoGlobal.m_timeStep );
- }
- }
- }
+ // this loop is only used for cone-twist constraints,
+ // it would be nice to skip this loop if none of the constraints need it
+ if (m_useObsoleteJointConstraints)
+ {
+ for (int j = 0; j < numConstraints; j++)
+ {
+ if (constraints[j]->isEnabled())
+ {
+ int bodyAid = getOrInitSolverBody(constraints[j]->getRigidBodyA(), infoGlobal.m_timeStep);
+ int bodyBid = getOrInitSolverBody(constraints[j]->getRigidBodyB(), infoGlobal.m_timeStep);
+ btSolverBody& bodyA = m_tmpSolverBodyPool[bodyAid];
+ btSolverBody& bodyB = m_tmpSolverBodyPool[bodyBid];
+ constraints[j]->solveConstraintObsolete(bodyA, bodyB, infoGlobal.m_timeStep);
+ }
+ }
+ }
if (infoGlobal.m_solverMode & SOLVER_INTERLEAVE_CONTACT_AND_FRICTION_CONSTRAINTS)
{
- // solve all contact, contact-friction, and rolling friction constraints interleaved
- leastSquaresResidual += resolveAllContactConstraintsInterleaved();
+ // solve all contact, contact-friction, and rolling friction constraints interleaved
+ leastSquaresResidual += resolveAllContactConstraintsInterleaved();
}
- else//SOLVER_INTERLEAVE_CONTACT_AND_FRICTION_CONSTRAINTS
+ else //SOLVER_INTERLEAVE_CONTACT_AND_FRICTION_CONSTRAINTS
{
- // don't interleave them
+ // don't interleave them
// solve all contact constraints
- leastSquaresResidual += resolveAllContactConstraints();
+ leastSquaresResidual += resolveAllContactConstraints();
// solve all contact friction constraints
- leastSquaresResidual += resolveAllContactFrictionConstraints();
+ leastSquaresResidual += resolveAllContactFrictionConstraints();
- // solve all rolling friction constraints
- leastSquaresResidual += resolveAllRollingFrictionConstraints();
+ // solve all rolling friction constraints
+ leastSquaresResidual += resolveAllRollingFrictionConstraints();
}
}
}
- return leastSquaresResidual;
+ return leastSquaresResidual;
}
-
-btScalar btSequentialImpulseConstraintSolverMt::resolveMultipleJointConstraints( const btAlignedObjectArray<int>& consIndices, int batchBegin, int batchEnd, int iteration )
+btScalar btSequentialImpulseConstraintSolverMt::resolveMultipleJointConstraints(const btAlignedObjectArray<int>& consIndices, int batchBegin, int batchEnd, int iteration)
{
- btScalar leastSquaresResidual = 0.f;
- for ( int iiCons = batchBegin; iiCons < batchEnd; ++iiCons )
- {
- int iCons = consIndices[ iiCons ];
- const btSolverConstraint& constraint = m_tmpSolverNonContactConstraintPool[ iCons ];
- if ( iteration < constraint.m_overrideNumSolverIterations )
- {
- btSolverBody& bodyA = m_tmpSolverBodyPool[ constraint.m_solverBodyIdA ];
- btSolverBody& bodyB = m_tmpSolverBodyPool[ constraint.m_solverBodyIdB ];
- btScalar residual = resolveSingleConstraintRowGeneric( bodyA, bodyB, constraint );
- leastSquaresResidual += residual*residual;
- }
- }
- return leastSquaresResidual;
+ btScalar leastSquaresResidual = 0.f;
+ for (int iiCons = batchBegin; iiCons < batchEnd; ++iiCons)
+ {
+ int iCons = consIndices[iiCons];
+ const btSolverConstraint& constraint = m_tmpSolverNonContactConstraintPool[iCons];
+ if (iteration < constraint.m_overrideNumSolverIterations)
+ {
+ btSolverBody& bodyA = m_tmpSolverBodyPool[constraint.m_solverBodyIdA];
+ btSolverBody& bodyB = m_tmpSolverBodyPool[constraint.m_solverBodyIdB];
+ btScalar residual = resolveSingleConstraintRowGeneric(bodyA, bodyB, constraint);
+ leastSquaresResidual += residual * residual;
+ }
+ }
+ return leastSquaresResidual;
}
-
-btScalar btSequentialImpulseConstraintSolverMt::resolveMultipleContactConstraints( const btAlignedObjectArray<int>& consIndices, int batchBegin, int batchEnd )
+btScalar btSequentialImpulseConstraintSolverMt::resolveMultipleContactConstraints(const btAlignedObjectArray<int>& consIndices, int batchBegin, int batchEnd)
{
- btScalar leastSquaresResidual = 0.f;
- for ( int iiCons = batchBegin; iiCons < batchEnd; ++iiCons )
- {
- int iCons = consIndices[ iiCons ];
- const btSolverConstraint& solveManifold = m_tmpSolverContactConstraintPool[ iCons ];
- btSolverBody& bodyA = m_tmpSolverBodyPool[ solveManifold.m_solverBodyIdA ];
- btSolverBody& bodyB = m_tmpSolverBodyPool[ solveManifold.m_solverBodyIdB ];
- btScalar residual = resolveSingleConstraintRowLowerLimit( bodyA, bodyB, solveManifold );
- leastSquaresResidual += residual*residual;
- }
- return leastSquaresResidual;
+ btScalar leastSquaresResidual = 0.f;
+ for (int iiCons = batchBegin; iiCons < batchEnd; ++iiCons)
+ {
+ int iCons = consIndices[iiCons];
+ const btSolverConstraint& solveManifold = m_tmpSolverContactConstraintPool[iCons];
+ btSolverBody& bodyA = m_tmpSolverBodyPool[solveManifold.m_solverBodyIdA];
+ btSolverBody& bodyB = m_tmpSolverBodyPool[solveManifold.m_solverBodyIdB];
+ btScalar residual = resolveSingleConstraintRowLowerLimit(bodyA, bodyB, solveManifold);
+ leastSquaresResidual += residual * residual;
+ }
+ return leastSquaresResidual;
}
-
-btScalar btSequentialImpulseConstraintSolverMt::resolveMultipleContactFrictionConstraints( const btAlignedObjectArray<int>& consIndices, int batchBegin, int batchEnd )
+btScalar btSequentialImpulseConstraintSolverMt::resolveMultipleContactFrictionConstraints(const btAlignedObjectArray<int>& consIndices, int batchBegin, int batchEnd)
{
- btScalar leastSquaresResidual = 0.f;
- for ( int iiCons = batchBegin; iiCons < batchEnd; ++iiCons )
- {
- int iContact = consIndices[ iiCons ];
- btScalar totalImpulse = m_tmpSolverContactConstraintPool[ iContact ].m_appliedImpulse;
-
- // apply sliding friction
- if ( totalImpulse > 0.0f )
- {
- int iBegin = iContact * m_numFrictionDirections;
- int iEnd = iBegin + m_numFrictionDirections;
- for ( int iFriction = iBegin; iFriction < iEnd; ++iFriction )
- {
- btSolverConstraint& solveManifold = m_tmpSolverContactFrictionConstraintPool[ iFriction++ ];
- btAssert( solveManifold.m_frictionIndex == iContact );
-
- solveManifold.m_lowerLimit = -( solveManifold.m_friction*totalImpulse );
- solveManifold.m_upperLimit = solveManifold.m_friction*totalImpulse;
-
- btSolverBody& bodyA = m_tmpSolverBodyPool[ solveManifold.m_solverBodyIdA ];
- btSolverBody& bodyB = m_tmpSolverBodyPool[ solveManifold.m_solverBodyIdB ];
- btScalar residual = resolveSingleConstraintRowGeneric( bodyA, bodyB, solveManifold );
- leastSquaresResidual += residual*residual;
- }
- }
- }
- return leastSquaresResidual;
-}
+ btScalar leastSquaresResidual = 0.f;
+ for (int iiCons = batchBegin; iiCons < batchEnd; ++iiCons)
+ {
+ int iContact = consIndices[iiCons];
+ btScalar totalImpulse = m_tmpSolverContactConstraintPool[iContact].m_appliedImpulse;
+ // apply sliding friction
+ if (totalImpulse > 0.0f)
+ {
+ int iBegin = iContact * m_numFrictionDirections;
+ int iEnd = iBegin + m_numFrictionDirections;
+ for (int iFriction = iBegin; iFriction < iEnd; ++iFriction)
+ {
+ btSolverConstraint& solveManifold = m_tmpSolverContactFrictionConstraintPool[iFriction++];
+ btAssert(solveManifold.m_frictionIndex == iContact);
-btScalar btSequentialImpulseConstraintSolverMt::resolveMultipleContactRollingFrictionConstraints( const btAlignedObjectArray<int>& consIndices, int batchBegin, int batchEnd )
-{
- btScalar leastSquaresResidual = 0.f;
- for ( int iiCons = batchBegin; iiCons < batchEnd; ++iiCons )
- {
- int iContact = consIndices[ iiCons ];
- int iFirstRollingFriction = m_rollingFrictionIndexTable[ iContact ];
- if ( iFirstRollingFriction >= 0 )
- {
- btScalar totalImpulse = m_tmpSolverContactConstraintPool[ iContact ].m_appliedImpulse;
- // apply rolling friction
- if ( totalImpulse > 0.0f )
- {
- int iBegin = iFirstRollingFriction;
- int iEnd = iBegin + 3;
- for ( int iRollingFric = iBegin; iRollingFric < iEnd; ++iRollingFric )
- {
- btSolverConstraint& rollingFrictionConstraint = m_tmpSolverContactRollingFrictionConstraintPool[ iRollingFric ];
- if ( rollingFrictionConstraint.m_frictionIndex != iContact )
- {
- break;
- }
- btScalar rollingFrictionMagnitude = rollingFrictionConstraint.m_friction*totalImpulse;
- if ( rollingFrictionMagnitude > rollingFrictionConstraint.m_friction )
- {
- rollingFrictionMagnitude = rollingFrictionConstraint.m_friction;
- }
-
- rollingFrictionConstraint.m_lowerLimit = -rollingFrictionMagnitude;
- rollingFrictionConstraint.m_upperLimit = rollingFrictionMagnitude;
-
- btScalar residual = resolveSingleConstraintRowGeneric( m_tmpSolverBodyPool[ rollingFrictionConstraint.m_solverBodyIdA ], m_tmpSolverBodyPool[ rollingFrictionConstraint.m_solverBodyIdB ], rollingFrictionConstraint );
- leastSquaresResidual += residual*residual;
- }
- }
- }
- }
- return leastSquaresResidual;
-}
+ solveManifold.m_lowerLimit = -(solveManifold.m_friction * totalImpulse);
+ solveManifold.m_upperLimit = solveManifold.m_friction * totalImpulse;
+ btSolverBody& bodyA = m_tmpSolverBodyPool[solveManifold.m_solverBodyIdA];
+ btSolverBody& bodyB = m_tmpSolverBodyPool[solveManifold.m_solverBodyIdB];
+ btScalar residual = resolveSingleConstraintRowGeneric(bodyA, bodyB, solveManifold);
+ leastSquaresResidual += residual * residual;
+ }
+ }
+ }
+ return leastSquaresResidual;
+}
-btScalar btSequentialImpulseConstraintSolverMt::resolveMultipleContactConstraintsInterleaved( const btAlignedObjectArray<int>& contactIndices,
- int batchBegin,
- int batchEnd
- )
+btScalar btSequentialImpulseConstraintSolverMt::resolveMultipleContactRollingFrictionConstraints(const btAlignedObjectArray<int>& consIndices, int batchBegin, int batchEnd)
{
- btScalar leastSquaresResidual = 0.f;
- int numPoolConstraints = m_tmpSolverContactConstraintPool.size();
-
- for ( int iiCons = batchBegin; iiCons < batchEnd; iiCons++ )
- {
- btScalar totalImpulse = 0;
- int iContact = contactIndices[ iiCons ];
- // apply penetration constraint
- {
- const btSolverConstraint& solveManifold = m_tmpSolverContactConstraintPool[ iContact ];
- btScalar residual = resolveSingleConstraintRowLowerLimit( m_tmpSolverBodyPool[ solveManifold.m_solverBodyIdA ], m_tmpSolverBodyPool[ solveManifold.m_solverBodyIdB ], solveManifold );
- leastSquaresResidual += residual*residual;
- totalImpulse = solveManifold.m_appliedImpulse;
- }
-
- // apply sliding friction
- if ( totalImpulse > 0.0f )
- {
- int iBegin = iContact * m_numFrictionDirections;
- int iEnd = iBegin + m_numFrictionDirections;
- for ( int iFriction = iBegin; iFriction < iEnd; ++iFriction )
- {
- btSolverConstraint& solveManifold = m_tmpSolverContactFrictionConstraintPool[ iFriction ];
- btAssert( solveManifold.m_frictionIndex == iContact );
-
- solveManifold.m_lowerLimit = -( solveManifold.m_friction*totalImpulse );
- solveManifold.m_upperLimit = solveManifold.m_friction*totalImpulse;
-
- btSolverBody& bodyA = m_tmpSolverBodyPool[ solveManifold.m_solverBodyIdA ];
- btSolverBody& bodyB = m_tmpSolverBodyPool[ solveManifold.m_solverBodyIdB ];
- btScalar residual = resolveSingleConstraintRowGeneric( bodyA, bodyB, solveManifold );
- leastSquaresResidual += residual*residual;
- }
- }
-
- // apply rolling friction
- int iFirstRollingFriction = m_rollingFrictionIndexTable[ iContact ];
- if ( totalImpulse > 0.0f && iFirstRollingFriction >= 0)
- {
- int iBegin = iFirstRollingFriction;
- int iEnd = iBegin + 3;
- for ( int iRollingFric = iBegin; iRollingFric < iEnd; ++iRollingFric )
- {
- btSolverConstraint& rollingFrictionConstraint = m_tmpSolverContactRollingFrictionConstraintPool[ iRollingFric ];
- if ( rollingFrictionConstraint.m_frictionIndex != iContact )
- {
- break;
- }
- btScalar rollingFrictionMagnitude = rollingFrictionConstraint.m_friction*totalImpulse;
- if ( rollingFrictionMagnitude > rollingFrictionConstraint.m_friction )
- {
- rollingFrictionMagnitude = rollingFrictionConstraint.m_friction;
- }
-
- rollingFrictionConstraint.m_lowerLimit = -rollingFrictionMagnitude;
- rollingFrictionConstraint.m_upperLimit = rollingFrictionMagnitude;
-
- btScalar residual = resolveSingleConstraintRowGeneric( m_tmpSolverBodyPool[ rollingFrictionConstraint.m_solverBodyIdA ], m_tmpSolverBodyPool[ rollingFrictionConstraint.m_solverBodyIdB ], rollingFrictionConstraint );
- leastSquaresResidual += residual*residual;
- }
- }
- }
- return leastSquaresResidual;
+ btScalar leastSquaresResidual = 0.f;
+ for (int iiCons = batchBegin; iiCons < batchEnd; ++iiCons)
+ {
+ int iContact = consIndices[iiCons];
+ int iFirstRollingFriction = m_rollingFrictionIndexTable[iContact];
+ if (iFirstRollingFriction >= 0)
+ {
+ btScalar totalImpulse = m_tmpSolverContactConstraintPool[iContact].m_appliedImpulse;
+ // apply rolling friction
+ if (totalImpulse > 0.0f)
+ {
+ int iBegin = iFirstRollingFriction;
+ int iEnd = iBegin + 3;
+ for (int iRollingFric = iBegin; iRollingFric < iEnd; ++iRollingFric)
+ {
+ btSolverConstraint& rollingFrictionConstraint = m_tmpSolverContactRollingFrictionConstraintPool[iRollingFric];
+ if (rollingFrictionConstraint.m_frictionIndex != iContact)
+ {
+ break;
+ }
+ btScalar rollingFrictionMagnitude = rollingFrictionConstraint.m_friction * totalImpulse;
+ if (rollingFrictionMagnitude > rollingFrictionConstraint.m_friction)
+ {
+ rollingFrictionMagnitude = rollingFrictionConstraint.m_friction;
+ }
+
+ rollingFrictionConstraint.m_lowerLimit = -rollingFrictionMagnitude;
+ rollingFrictionConstraint.m_upperLimit = rollingFrictionMagnitude;
+
+ btScalar residual = resolveSingleConstraintRowGeneric(m_tmpSolverBodyPool[rollingFrictionConstraint.m_solverBodyIdA], m_tmpSolverBodyPool[rollingFrictionConstraint.m_solverBodyIdB], rollingFrictionConstraint);
+ leastSquaresResidual += residual * residual;
+ }
+ }
+ }
+ }
+ return leastSquaresResidual;
}
-
-void btSequentialImpulseConstraintSolverMt::randomizeBatchedConstraintOrdering( btBatchedConstraints* batchedConstraints )
+btScalar btSequentialImpulseConstraintSolverMt::resolveMultipleContactConstraintsInterleaved(const btAlignedObjectArray<int>& contactIndices,
+ int batchBegin,
+ int batchEnd)
{
- btBatchedConstraints& bc = *batchedConstraints;
- // randomize ordering of phases
- for ( int ii = 1; ii < bc.m_phaseOrder.size(); ++ii )
- {
- int iSwap = btRandInt2( ii + 1 );
- bc.m_phaseOrder.swap( ii, iSwap );
- }
-
- // for each batch,
- for ( int iBatch = 0; iBatch < bc.m_batches.size(); ++iBatch )
- {
- // randomize ordering of constraints within the batch
- const btBatchedConstraints::Range& batch = bc.m_batches[ iBatch ];
- for ( int iiCons = batch.begin; iiCons < batch.end; ++iiCons )
- {
- int iSwap = batch.begin + btRandInt2( iiCons - batch.begin + 1 );
- btAssert(iSwap >= batch.begin && iSwap < batch.end);
- bc.m_constraintIndices.swap( iiCons, iSwap );
- }
- }
+ btScalar leastSquaresResidual = 0.f;
+ int numPoolConstraints = m_tmpSolverContactConstraintPool.size();
+
+ for (int iiCons = batchBegin; iiCons < batchEnd; iiCons++)
+ {
+ btScalar totalImpulse = 0;
+ int iContact = contactIndices[iiCons];
+ // apply penetration constraint
+ {
+ const btSolverConstraint& solveManifold = m_tmpSolverContactConstraintPool[iContact];
+ btScalar residual = resolveSingleConstraintRowLowerLimit(m_tmpSolverBodyPool[solveManifold.m_solverBodyIdA], m_tmpSolverBodyPool[solveManifold.m_solverBodyIdB], solveManifold);
+ leastSquaresResidual += residual * residual;
+ totalImpulse = solveManifold.m_appliedImpulse;
+ }
+
+ // apply sliding friction
+ if (totalImpulse > 0.0f)
+ {
+ int iBegin = iContact * m_numFrictionDirections;
+ int iEnd = iBegin + m_numFrictionDirections;
+ for (int iFriction = iBegin; iFriction < iEnd; ++iFriction)
+ {
+ btSolverConstraint& solveManifold = m_tmpSolverContactFrictionConstraintPool[iFriction];
+ btAssert(solveManifold.m_frictionIndex == iContact);
+
+ solveManifold.m_lowerLimit = -(solveManifold.m_friction * totalImpulse);
+ solveManifold.m_upperLimit = solveManifold.m_friction * totalImpulse;
+
+ btSolverBody& bodyA = m_tmpSolverBodyPool[solveManifold.m_solverBodyIdA];
+ btSolverBody& bodyB = m_tmpSolverBodyPool[solveManifold.m_solverBodyIdB];
+ btScalar residual = resolveSingleConstraintRowGeneric(bodyA, bodyB, solveManifold);
+ leastSquaresResidual += residual * residual;
+ }
+ }
+
+ // apply rolling friction
+ int iFirstRollingFriction = m_rollingFrictionIndexTable[iContact];
+ if (totalImpulse > 0.0f && iFirstRollingFriction >= 0)
+ {
+ int iBegin = iFirstRollingFriction;
+ int iEnd = iBegin + 3;
+ for (int iRollingFric = iBegin; iRollingFric < iEnd; ++iRollingFric)
+ {
+ btSolverConstraint& rollingFrictionConstraint = m_tmpSolverContactRollingFrictionConstraintPool[iRollingFric];
+ if (rollingFrictionConstraint.m_frictionIndex != iContact)
+ {
+ break;
+ }
+ btScalar rollingFrictionMagnitude = rollingFrictionConstraint.m_friction * totalImpulse;
+ if (rollingFrictionMagnitude > rollingFrictionConstraint.m_friction)
+ {
+ rollingFrictionMagnitude = rollingFrictionConstraint.m_friction;
+ }
+
+ rollingFrictionConstraint.m_lowerLimit = -rollingFrictionMagnitude;
+ rollingFrictionConstraint.m_upperLimit = rollingFrictionMagnitude;
+
+ btScalar residual = resolveSingleConstraintRowGeneric(m_tmpSolverBodyPool[rollingFrictionConstraint.m_solverBodyIdA], m_tmpSolverBodyPool[rollingFrictionConstraint.m_solverBodyIdB], rollingFrictionConstraint);
+ leastSquaresResidual += residual * residual;
+ }
+ }
+ }
+ return leastSquaresResidual;
}
+void btSequentialImpulseConstraintSolverMt::randomizeBatchedConstraintOrdering(btBatchedConstraints* batchedConstraints)
+{
+ btBatchedConstraints& bc = *batchedConstraints;
+ // randomize ordering of phases
+ for (int ii = 1; ii < bc.m_phaseOrder.size(); ++ii)
+ {
+ int iSwap = btRandInt2(ii + 1);
+ bc.m_phaseOrder.swap(ii, iSwap);
+ }
+
+ // for each batch,
+ for (int iBatch = 0; iBatch < bc.m_batches.size(); ++iBatch)
+ {
+ // randomize ordering of constraints within the batch
+ const btBatchedConstraints::Range& batch = bc.m_batches[iBatch];
+ for (int iiCons = batch.begin; iiCons < batch.end; ++iiCons)
+ {
+ int iSwap = batch.begin + btRandInt2(iiCons - batch.begin + 1);
+ btAssert(iSwap >= batch.begin && iSwap < batch.end);
+ bc.m_constraintIndices.swap(iiCons, iSwap);
+ }
+ }
+}
void btSequentialImpulseConstraintSolverMt::randomizeConstraintOrdering(int iteration, int numIterations)
{
- // randomize ordering of joint constraints
- randomizeBatchedConstraintOrdering( &m_batchedJointConstraints );
-
- //contact/friction constraints are not solved more than numIterations
- if ( iteration < numIterations )
- {
- randomizeBatchedConstraintOrdering( &m_batchedContactConstraints );
- }
-}
+ // randomize ordering of joint constraints
+ randomizeBatchedConstraintOrdering(&m_batchedJointConstraints);
+ //contact/friction constraints are not solved more than numIterations
+ if (iteration < numIterations)
+ {
+ randomizeBatchedConstraintOrdering(&m_batchedContactConstraints);
+ }
+}
struct JointSolverLoop : public btIParallelSumBody
{
- btSequentialImpulseConstraintSolverMt* m_solver;
- const btBatchedConstraints* m_bc;
- int m_iteration;
-
- JointSolverLoop( btSequentialImpulseConstraintSolverMt* solver, const btBatchedConstraints* bc, int iteration )
- {
- m_solver = solver;
- m_bc = bc;
- m_iteration = iteration;
- }
- btScalar sumLoop( int iBegin, int iEnd ) const BT_OVERRIDE
- {
- BT_PROFILE( "JointSolverLoop" );
- btScalar sum = 0;
- for ( int iBatch = iBegin; iBatch < iEnd; ++iBatch )
- {
- const btBatchedConstraints::Range& batch = m_bc->m_batches[ iBatch ];
- sum += m_solver->resolveMultipleJointConstraints( m_bc->m_constraintIndices, batch.begin, batch.end, m_iteration );
- }
- return sum;
- }
-};
+ btSequentialImpulseConstraintSolverMt* m_solver;
+ const btBatchedConstraints* m_bc;
+ int m_iteration;
+ JointSolverLoop(btSequentialImpulseConstraintSolverMt* solver, const btBatchedConstraints* bc, int iteration)
+ {
+ m_solver = solver;
+ m_bc = bc;
+ m_iteration = iteration;
+ }
+ btScalar sumLoop(int iBegin, int iEnd) const BT_OVERRIDE
+ {
+ BT_PROFILE("JointSolverLoop");
+ btScalar sum = 0;
+ for (int iBatch = iBegin; iBatch < iEnd; ++iBatch)
+ {
+ const btBatchedConstraints::Range& batch = m_bc->m_batches[iBatch];
+ sum += m_solver->resolveMultipleJointConstraints(m_bc->m_constraintIndices, batch.begin, batch.end, m_iteration);
+ }
+ return sum;
+ }
+};
btScalar btSequentialImpulseConstraintSolverMt::resolveAllJointConstraints(int iteration)
{
- BT_PROFILE( "resolveAllJointConstraints" );
- const btBatchedConstraints& batchedCons = m_batchedJointConstraints;
- JointSolverLoop loop( this, &batchedCons, iteration );
- btScalar leastSquaresResidual = 0.f;
- for ( int iiPhase = 0; iiPhase < batchedCons.m_phases.size(); ++iiPhase )
- {
- int iPhase = batchedCons.m_phaseOrder[ iiPhase ];
- const btBatchedConstraints::Range& phase = batchedCons.m_phases[ iPhase ];
- int grainSize = 1;
- leastSquaresResidual += btParallelSum( phase.begin, phase.end, grainSize, loop );
- }
- return leastSquaresResidual;
+ BT_PROFILE("resolveAllJointConstraints");
+ const btBatchedConstraints& batchedCons = m_batchedJointConstraints;
+ JointSolverLoop loop(this, &batchedCons, iteration);
+ btScalar leastSquaresResidual = 0.f;
+ for (int iiPhase = 0; iiPhase < batchedCons.m_phases.size(); ++iiPhase)
+ {
+ int iPhase = batchedCons.m_phaseOrder[iiPhase];
+ const btBatchedConstraints::Range& phase = batchedCons.m_phases[iPhase];
+ int grainSize = 1;
+ leastSquaresResidual += btParallelSum(phase.begin, phase.end, grainSize, loop);
+ }
+ return leastSquaresResidual;
}
-
struct ContactSolverLoop : public btIParallelSumBody
{
- btSequentialImpulseConstraintSolverMt* m_solver;
- const btBatchedConstraints* m_bc;
-
- ContactSolverLoop( btSequentialImpulseConstraintSolverMt* solver, const btBatchedConstraints* bc )
- {
- m_solver = solver;
- m_bc = bc;
- }
- btScalar sumLoop( int iBegin, int iEnd ) const BT_OVERRIDE
- {
- BT_PROFILE( "ContactSolverLoop" );
- btScalar sum = 0;
- for ( int iBatch = iBegin; iBatch < iEnd; ++iBatch )
- {
- const btBatchedConstraints::Range& batch = m_bc->m_batches[ iBatch ];
- sum += m_solver->resolveMultipleContactConstraints( m_bc->m_constraintIndices, batch.begin, batch.end );
- }
- return sum;
- }
-};
+ btSequentialImpulseConstraintSolverMt* m_solver;
+ const btBatchedConstraints* m_bc;
+ ContactSolverLoop(btSequentialImpulseConstraintSolverMt* solver, const btBatchedConstraints* bc)
+ {
+ m_solver = solver;
+ m_bc = bc;
+ }
+ btScalar sumLoop(int iBegin, int iEnd) const BT_OVERRIDE
+ {
+ BT_PROFILE("ContactSolverLoop");
+ btScalar sum = 0;
+ for (int iBatch = iBegin; iBatch < iEnd; ++iBatch)
+ {
+ const btBatchedConstraints::Range& batch = m_bc->m_batches[iBatch];
+ sum += m_solver->resolveMultipleContactConstraints(m_bc->m_constraintIndices, batch.begin, batch.end);
+ }
+ return sum;
+ }
+};
btScalar btSequentialImpulseConstraintSolverMt::resolveAllContactConstraints()
{
- BT_PROFILE( "resolveAllContactConstraints" );
- const btBatchedConstraints& batchedCons = m_batchedContactConstraints;
- ContactSolverLoop loop( this, &batchedCons );
- btScalar leastSquaresResidual = 0.f;
- for ( int iiPhase = 0; iiPhase < batchedCons.m_phases.size(); ++iiPhase )
- {
- int iPhase = batchedCons.m_phaseOrder[ iiPhase ];
- const btBatchedConstraints::Range& phase = batchedCons.m_phases[ iPhase ];
- int grainSize = batchedCons.m_phaseGrainSize[iPhase];
- leastSquaresResidual += btParallelSum( phase.begin, phase.end, grainSize, loop );
- }
- return leastSquaresResidual;
+ BT_PROFILE("resolveAllContactConstraints");
+ const btBatchedConstraints& batchedCons = m_batchedContactConstraints;
+ ContactSolverLoop loop(this, &batchedCons);
+ btScalar leastSquaresResidual = 0.f;
+ for (int iiPhase = 0; iiPhase < batchedCons.m_phases.size(); ++iiPhase)
+ {
+ int iPhase = batchedCons.m_phaseOrder[iiPhase];
+ const btBatchedConstraints::Range& phase = batchedCons.m_phases[iPhase];
+ int grainSize = batchedCons.m_phaseGrainSize[iPhase];
+ leastSquaresResidual += btParallelSum(phase.begin, phase.end, grainSize, loop);
+ }
+ return leastSquaresResidual;
}
-
struct ContactFrictionSolverLoop : public btIParallelSumBody
{
- btSequentialImpulseConstraintSolverMt* m_solver;
- const btBatchedConstraints* m_bc;
-
- ContactFrictionSolverLoop( btSequentialImpulseConstraintSolverMt* solver, const btBatchedConstraints* bc )
- {
- m_solver = solver;
- m_bc = bc;
- }
- btScalar sumLoop( int iBegin, int iEnd ) const BT_OVERRIDE
- {
- BT_PROFILE( "ContactFrictionSolverLoop" );
- btScalar sum = 0;
- for ( int iBatch = iBegin; iBatch < iEnd; ++iBatch )
- {
- const btBatchedConstraints::Range& batch = m_bc->m_batches[ iBatch ];
- sum += m_solver->resolveMultipleContactFrictionConstraints( m_bc->m_constraintIndices, batch.begin, batch.end );
- }
- return sum;
- }
-};
+ btSequentialImpulseConstraintSolverMt* m_solver;
+ const btBatchedConstraints* m_bc;
+ ContactFrictionSolverLoop(btSequentialImpulseConstraintSolverMt* solver, const btBatchedConstraints* bc)
+ {
+ m_solver = solver;
+ m_bc = bc;
+ }
+ btScalar sumLoop(int iBegin, int iEnd) const BT_OVERRIDE
+ {
+ BT_PROFILE("ContactFrictionSolverLoop");
+ btScalar sum = 0;
+ for (int iBatch = iBegin; iBatch < iEnd; ++iBatch)
+ {
+ const btBatchedConstraints::Range& batch = m_bc->m_batches[iBatch];
+ sum += m_solver->resolveMultipleContactFrictionConstraints(m_bc->m_constraintIndices, batch.begin, batch.end);
+ }
+ return sum;
+ }
+};
btScalar btSequentialImpulseConstraintSolverMt::resolveAllContactFrictionConstraints()
{
- BT_PROFILE( "resolveAllContactFrictionConstraints" );
- const btBatchedConstraints& batchedCons = m_batchedContactConstraints;
- ContactFrictionSolverLoop loop( this, &batchedCons );
- btScalar leastSquaresResidual = 0.f;
- for ( int iiPhase = 0; iiPhase < batchedCons.m_phases.size(); ++iiPhase )
- {
- int iPhase = batchedCons.m_phaseOrder[ iiPhase ];
- const btBatchedConstraints::Range& phase = batchedCons.m_phases[ iPhase ];
- int grainSize = batchedCons.m_phaseGrainSize[iPhase];
- leastSquaresResidual += btParallelSum( phase.begin, phase.end, grainSize, loop );
- }
- return leastSquaresResidual;
+ BT_PROFILE("resolveAllContactFrictionConstraints");
+ const btBatchedConstraints& batchedCons = m_batchedContactConstraints;
+ ContactFrictionSolverLoop loop(this, &batchedCons);
+ btScalar leastSquaresResidual = 0.f;
+ for (int iiPhase = 0; iiPhase < batchedCons.m_phases.size(); ++iiPhase)
+ {
+ int iPhase = batchedCons.m_phaseOrder[iiPhase];
+ const btBatchedConstraints::Range& phase = batchedCons.m_phases[iPhase];
+ int grainSize = batchedCons.m_phaseGrainSize[iPhase];
+ leastSquaresResidual += btParallelSum(phase.begin, phase.end, grainSize, loop);
+ }
+ return leastSquaresResidual;
}
-
struct InterleavedContactSolverLoop : public btIParallelSumBody
{
- btSequentialImpulseConstraintSolverMt* m_solver;
- const btBatchedConstraints* m_bc;
-
- InterleavedContactSolverLoop( btSequentialImpulseConstraintSolverMt* solver, const btBatchedConstraints* bc )
- {
- m_solver = solver;
- m_bc = bc;
- }
- btScalar sumLoop( int iBegin, int iEnd ) const BT_OVERRIDE
- {
- BT_PROFILE( "InterleavedContactSolverLoop" );
- btScalar sum = 0;
- for ( int iBatch = iBegin; iBatch < iEnd; ++iBatch )
- {
- const btBatchedConstraints::Range& batch = m_bc->m_batches[ iBatch ];
- sum += m_solver->resolveMultipleContactConstraintsInterleaved( m_bc->m_constraintIndices, batch.begin, batch.end );
- }
- return sum;
- }
-};
+ btSequentialImpulseConstraintSolverMt* m_solver;
+ const btBatchedConstraints* m_bc;
+ InterleavedContactSolverLoop(btSequentialImpulseConstraintSolverMt* solver, const btBatchedConstraints* bc)
+ {
+ m_solver = solver;
+ m_bc = bc;
+ }
+ btScalar sumLoop(int iBegin, int iEnd) const BT_OVERRIDE
+ {
+ BT_PROFILE("InterleavedContactSolverLoop");
+ btScalar sum = 0;
+ for (int iBatch = iBegin; iBatch < iEnd; ++iBatch)
+ {
+ const btBatchedConstraints::Range& batch = m_bc->m_batches[iBatch];
+ sum += m_solver->resolveMultipleContactConstraintsInterleaved(m_bc->m_constraintIndices, batch.begin, batch.end);
+ }
+ return sum;
+ }
+};
btScalar btSequentialImpulseConstraintSolverMt::resolveAllContactConstraintsInterleaved()
{
- BT_PROFILE( "resolveAllContactConstraintsInterleaved" );
- const btBatchedConstraints& batchedCons = m_batchedContactConstraints;
- InterleavedContactSolverLoop loop( this, &batchedCons );
- btScalar leastSquaresResidual = 0.f;
- for ( int iiPhase = 0; iiPhase < batchedCons.m_phases.size(); ++iiPhase )
- {
- int iPhase = batchedCons.m_phaseOrder[ iiPhase ];
- const btBatchedConstraints::Range& phase = batchedCons.m_phases[ iPhase ];
- int grainSize = 1;
- leastSquaresResidual += btParallelSum( phase.begin, phase.end, grainSize, loop );
- }
- return leastSquaresResidual;
+ BT_PROFILE("resolveAllContactConstraintsInterleaved");
+ const btBatchedConstraints& batchedCons = m_batchedContactConstraints;
+ InterleavedContactSolverLoop loop(this, &batchedCons);
+ btScalar leastSquaresResidual = 0.f;
+ for (int iiPhase = 0; iiPhase < batchedCons.m_phases.size(); ++iiPhase)
+ {
+ int iPhase = batchedCons.m_phaseOrder[iiPhase];
+ const btBatchedConstraints::Range& phase = batchedCons.m_phases[iPhase];
+ int grainSize = 1;
+ leastSquaresResidual += btParallelSum(phase.begin, phase.end, grainSize, loop);
+ }
+ return leastSquaresResidual;
}
-
struct ContactRollingFrictionSolverLoop : public btIParallelSumBody
{
- btSequentialImpulseConstraintSolverMt* m_solver;
- const btBatchedConstraints* m_bc;
-
- ContactRollingFrictionSolverLoop( btSequentialImpulseConstraintSolverMt* solver, const btBatchedConstraints* bc )
- {
- m_solver = solver;
- m_bc = bc;
- }
- btScalar sumLoop( int iBegin, int iEnd ) const BT_OVERRIDE
- {
- BT_PROFILE( "ContactFrictionSolverLoop" );
- btScalar sum = 0;
- for ( int iBatch = iBegin; iBatch < iEnd; ++iBatch )
- {
- const btBatchedConstraints::Range& batch = m_bc->m_batches[ iBatch ];
- sum += m_solver->resolveMultipleContactRollingFrictionConstraints( m_bc->m_constraintIndices, batch.begin, batch.end );
- }
- return sum;
- }
-};
+ btSequentialImpulseConstraintSolverMt* m_solver;
+ const btBatchedConstraints* m_bc;
+ ContactRollingFrictionSolverLoop(btSequentialImpulseConstraintSolverMt* solver, const btBatchedConstraints* bc)
+ {
+ m_solver = solver;
+ m_bc = bc;
+ }
+ btScalar sumLoop(int iBegin, int iEnd) const BT_OVERRIDE
+ {
+ BT_PROFILE("ContactFrictionSolverLoop");
+ btScalar sum = 0;
+ for (int iBatch = iBegin; iBatch < iEnd; ++iBatch)
+ {
+ const btBatchedConstraints::Range& batch = m_bc->m_batches[iBatch];
+ sum += m_solver->resolveMultipleContactRollingFrictionConstraints(m_bc->m_constraintIndices, batch.begin, batch.end);
+ }
+ return sum;
+ }
+};
btScalar btSequentialImpulseConstraintSolverMt::resolveAllRollingFrictionConstraints()
{
- BT_PROFILE( "resolveAllRollingFrictionConstraints" );
- btScalar leastSquaresResidual = 0.f;
- //
- // We do not generate batches for rolling friction constraints. We assume that
- // one of two cases is true:
- //
- // 1. either most bodies in the simulation have rolling friction, in which case we can use the
- // batches for contacts and use a lookup table to translate contact indices to rolling friction
- // (ignoring any contact indices that don't map to a rolling friction constraint). As long as
- // most contacts have a corresponding rolling friction constraint, this should parallelize well.
- //
- // -OR-
- //
- // 2. few bodies in the simulation have rolling friction, so it is not worth trying to use the
- // batches from contacts as most of the contacts won't have corresponding rolling friction
- // constraints and most threads would end up doing very little work. Most of the time would
- // go to threading overhead, so we don't bother with threading.
- //
- int numRollingFrictionPoolConstraints = m_tmpSolverContactRollingFrictionConstraintPool.size();
- if (numRollingFrictionPoolConstraints >= m_tmpSolverContactConstraintPool.size())
- {
- // use batching if there are many rolling friction constraints
- const btBatchedConstraints& batchedCons = m_batchedContactConstraints;
- ContactRollingFrictionSolverLoop loop( this, &batchedCons );
- btScalar leastSquaresResidual = 0.f;
- for ( int iiPhase = 0; iiPhase < batchedCons.m_phases.size(); ++iiPhase )
- {
- int iPhase = batchedCons.m_phaseOrder[ iiPhase ];
- const btBatchedConstraints::Range& phase = batchedCons.m_phases[ iPhase ];
- int grainSize = 1;
- leastSquaresResidual += btParallelSum( phase.begin, phase.end, grainSize, loop );
- }
- }
- else
- {
- // no batching, also ignores SOLVER_RANDMIZE_ORDER
- for ( int j = 0; j < numRollingFrictionPoolConstraints; j++ )
- {
- btSolverConstraint& rollingFrictionConstraint = m_tmpSolverContactRollingFrictionConstraintPool[ j ];
- if ( rollingFrictionConstraint.m_frictionIndex >= 0 )
- {
- btScalar totalImpulse = m_tmpSolverContactConstraintPool[ rollingFrictionConstraint.m_frictionIndex ].m_appliedImpulse;
- if ( totalImpulse > 0.0f )
- {
- btScalar rollingFrictionMagnitude = rollingFrictionConstraint.m_friction*totalImpulse;
- if ( rollingFrictionMagnitude > rollingFrictionConstraint.m_friction )
- rollingFrictionMagnitude = rollingFrictionConstraint.m_friction;
-
- rollingFrictionConstraint.m_lowerLimit = -rollingFrictionMagnitude;
- rollingFrictionConstraint.m_upperLimit = rollingFrictionMagnitude;
-
- btScalar residual = resolveSingleConstraintRowGeneric( m_tmpSolverBodyPool[ rollingFrictionConstraint.m_solverBodyIdA ], m_tmpSolverBodyPool[ rollingFrictionConstraint.m_solverBodyIdB ], rollingFrictionConstraint );
- leastSquaresResidual += residual*residual;
- }
- }
- }
- }
- return leastSquaresResidual;
+ BT_PROFILE("resolveAllRollingFrictionConstraints");
+ btScalar leastSquaresResidual = 0.f;
+ //
+ // We do not generate batches for rolling friction constraints. We assume that
+ // one of two cases is true:
+ //
+ // 1. either most bodies in the simulation have rolling friction, in which case we can use the
+ // batches for contacts and use a lookup table to translate contact indices to rolling friction
+ // (ignoring any contact indices that don't map to a rolling friction constraint). As long as
+ // most contacts have a corresponding rolling friction constraint, this should parallelize well.
+ //
+ // -OR-
+ //
+ // 2. few bodies in the simulation have rolling friction, so it is not worth trying to use the
+ // batches from contacts as most of the contacts won't have corresponding rolling friction
+ // constraints and most threads would end up doing very little work. Most of the time would
+ // go to threading overhead, so we don't bother with threading.
+ //
+ int numRollingFrictionPoolConstraints = m_tmpSolverContactRollingFrictionConstraintPool.size();
+ if (numRollingFrictionPoolConstraints >= m_tmpSolverContactConstraintPool.size())
+ {
+ // use batching if there are many rolling friction constraints
+ const btBatchedConstraints& batchedCons = m_batchedContactConstraints;
+ ContactRollingFrictionSolverLoop loop(this, &batchedCons);
+ btScalar leastSquaresResidual = 0.f;
+ for (int iiPhase = 0; iiPhase < batchedCons.m_phases.size(); ++iiPhase)
+ {
+ int iPhase = batchedCons.m_phaseOrder[iiPhase];
+ const btBatchedConstraints::Range& phase = batchedCons.m_phases[iPhase];
+ int grainSize = 1;
+ leastSquaresResidual += btParallelSum(phase.begin, phase.end, grainSize, loop);
+ }
+ }
+ else
+ {
+ // no batching, also ignores SOLVER_RANDMIZE_ORDER
+ for (int j = 0; j < numRollingFrictionPoolConstraints; j++)
+ {
+ btSolverConstraint& rollingFrictionConstraint = m_tmpSolverContactRollingFrictionConstraintPool[j];
+ if (rollingFrictionConstraint.m_frictionIndex >= 0)
+ {
+ btScalar totalImpulse = m_tmpSolverContactConstraintPool[rollingFrictionConstraint.m_frictionIndex].m_appliedImpulse;
+ if (totalImpulse > 0.0f)
+ {
+ btScalar rollingFrictionMagnitude = rollingFrictionConstraint.m_friction * totalImpulse;
+ if (rollingFrictionMagnitude > rollingFrictionConstraint.m_friction)
+ rollingFrictionMagnitude = rollingFrictionConstraint.m_friction;
+
+ rollingFrictionConstraint.m_lowerLimit = -rollingFrictionMagnitude;
+ rollingFrictionConstraint.m_upperLimit = rollingFrictionMagnitude;
+
+ btScalar residual = resolveSingleConstraintRowGeneric(m_tmpSolverBodyPool[rollingFrictionConstraint.m_solverBodyIdA], m_tmpSolverBodyPool[rollingFrictionConstraint.m_solverBodyIdB], rollingFrictionConstraint);
+ leastSquaresResidual += residual * residual;
+ }
+ }
+ }
+ }
+ return leastSquaresResidual;
}
-
-void btSequentialImpulseConstraintSolverMt::internalWriteBackContacts( int iBegin, int iEnd, const btContactSolverInfo& infoGlobal )
+void btSequentialImpulseConstraintSolverMt::internalWriteBackContacts(int iBegin, int iEnd, const btContactSolverInfo& infoGlobal)
{
- BT_PROFILE("internalWriteBackContacts");
- writeBackContacts(iBegin, iEnd, infoGlobal);
- //for ( int iContact = iBegin; iContact < iEnd; ++iContact)
- //{
- // const btSolverConstraint& contactConstraint = m_tmpSolverContactConstraintPool[ iContact ];
- // btManifoldPoint* pt = (btManifoldPoint*) contactConstraint.m_originalContactPoint;
- // btAssert( pt );
- // pt->m_appliedImpulse = contactConstraint.m_appliedImpulse;
- // pt->m_appliedImpulseLateral1 = m_tmpSolverContactFrictionConstraintPool[ contactConstraint.m_frictionIndex ].m_appliedImpulse;
- // if ( m_numFrictionDirections == 2 )
- // {
- // pt->m_appliedImpulseLateral2 = m_tmpSolverContactFrictionConstraintPool[ contactConstraint.m_frictionIndex + 1 ].m_appliedImpulse;
- // }
- //}
+ BT_PROFILE("internalWriteBackContacts");
+ writeBackContacts(iBegin, iEnd, infoGlobal);
+ //for ( int iContact = iBegin; iContact < iEnd; ++iContact)
+ //{
+ // const btSolverConstraint& contactConstraint = m_tmpSolverContactConstraintPool[ iContact ];
+ // btManifoldPoint* pt = (btManifoldPoint*) contactConstraint.m_originalContactPoint;
+ // btAssert( pt );
+ // pt->m_appliedImpulse = contactConstraint.m_appliedImpulse;
+ // pt->m_appliedImpulseLateral1 = m_tmpSolverContactFrictionConstraintPool[ contactConstraint.m_frictionIndex ].m_appliedImpulse;
+ // if ( m_numFrictionDirections == 2 )
+ // {
+ // pt->m_appliedImpulseLateral2 = m_tmpSolverContactFrictionConstraintPool[ contactConstraint.m_frictionIndex + 1 ].m_appliedImpulse;
+ // }
+ //}
}
-
-void btSequentialImpulseConstraintSolverMt::internalWriteBackJoints( int iBegin, int iEnd, const btContactSolverInfo& infoGlobal )
+void btSequentialImpulseConstraintSolverMt::internalWriteBackJoints(int iBegin, int iEnd, const btContactSolverInfo& infoGlobal)
{
BT_PROFILE("internalWriteBackJoints");
- writeBackJoints(iBegin, iEnd, infoGlobal);
+ writeBackJoints(iBegin, iEnd, infoGlobal);
}
-
-void btSequentialImpulseConstraintSolverMt::internalWriteBackBodies( int iBegin, int iEnd, const btContactSolverInfo& infoGlobal )
+void btSequentialImpulseConstraintSolverMt::internalWriteBackBodies(int iBegin, int iEnd, const btContactSolverInfo& infoGlobal)
{
BT_PROFILE("internalWriteBackBodies");
- writeBackBodies( iBegin, iEnd, infoGlobal );
+ writeBackBodies(iBegin, iEnd, infoGlobal);
}
-
struct WriteContactPointsLoop : public btIParallelForBody
{
- btSequentialImpulseConstraintSolverMt* m_solver;
- const btContactSolverInfo* m_infoGlobal;
-
- WriteContactPointsLoop( btSequentialImpulseConstraintSolverMt* solver, const btContactSolverInfo& infoGlobal )
- {
- m_solver = solver;
- m_infoGlobal = &infoGlobal;
- }
- void forLoop( int iBegin, int iEnd ) const BT_OVERRIDE
- {
- m_solver->internalWriteBackContacts( iBegin, iEnd, *m_infoGlobal );
- }
-};
+ btSequentialImpulseConstraintSolverMt* m_solver;
+ const btContactSolverInfo* m_infoGlobal;
+ WriteContactPointsLoop(btSequentialImpulseConstraintSolverMt* solver, const btContactSolverInfo& infoGlobal)
+ {
+ m_solver = solver;
+ m_infoGlobal = &infoGlobal;
+ }
+ void forLoop(int iBegin, int iEnd) const BT_OVERRIDE
+ {
+ m_solver->internalWriteBackContacts(iBegin, iEnd, *m_infoGlobal);
+ }
+};
struct WriteJointsLoop : public btIParallelForBody
{
- btSequentialImpulseConstraintSolverMt* m_solver;
- const btContactSolverInfo* m_infoGlobal;
-
- WriteJointsLoop( btSequentialImpulseConstraintSolverMt* solver, const btContactSolverInfo& infoGlobal )
- {
- m_solver = solver;
- m_infoGlobal = &infoGlobal;
- }
- void forLoop( int iBegin, int iEnd ) const BT_OVERRIDE
- {
- m_solver->internalWriteBackJoints( iBegin, iEnd, *m_infoGlobal );
- }
-};
+ btSequentialImpulseConstraintSolverMt* m_solver;
+ const btContactSolverInfo* m_infoGlobal;
+ WriteJointsLoop(btSequentialImpulseConstraintSolverMt* solver, const btContactSolverInfo& infoGlobal)
+ {
+ m_solver = solver;
+ m_infoGlobal = &infoGlobal;
+ }
+ void forLoop(int iBegin, int iEnd) const BT_OVERRIDE
+ {
+ m_solver->internalWriteBackJoints(iBegin, iEnd, *m_infoGlobal);
+ }
+};
struct WriteBodiesLoop : public btIParallelForBody
{
- btSequentialImpulseConstraintSolverMt* m_solver;
- const btContactSolverInfo* m_infoGlobal;
-
- WriteBodiesLoop( btSequentialImpulseConstraintSolverMt* solver, const btContactSolverInfo& infoGlobal )
- {
- m_solver = solver;
- m_infoGlobal = &infoGlobal;
- }
- void forLoop( int iBegin, int iEnd ) const BT_OVERRIDE
- {
- m_solver->internalWriteBackBodies( iBegin, iEnd, *m_infoGlobal );
- }
-};
+ btSequentialImpulseConstraintSolverMt* m_solver;
+ const btContactSolverInfo* m_infoGlobal;
+ WriteBodiesLoop(btSequentialImpulseConstraintSolverMt* solver, const btContactSolverInfo& infoGlobal)
+ {
+ m_solver = solver;
+ m_infoGlobal = &infoGlobal;
+ }
+ void forLoop(int iBegin, int iEnd) const BT_OVERRIDE
+ {
+ m_solver->internalWriteBackBodies(iBegin, iEnd, *m_infoGlobal);
+ }
+};
btScalar btSequentialImpulseConstraintSolverMt::solveGroupCacheFriendlyFinish(btCollisionObject** bodies, int numBodies, const btContactSolverInfo& infoGlobal)
{
BT_PROFILE("solveGroupCacheFriendlyFinish");
if (infoGlobal.m_solverMode & SOLVER_USE_WARMSTARTING)
- {
- WriteContactPointsLoop loop( this, infoGlobal );
- int grainSize = 500;
- btParallelFor( 0, m_tmpSolverContactConstraintPool.size(), grainSize, loop );
- }
-
- {
- WriteJointsLoop loop( this, infoGlobal );
- int grainSize = 400;
- btParallelFor( 0, m_tmpSolverNonContactConstraintPool.size(), grainSize, loop );
- }
- {
- WriteBodiesLoop loop( this, infoGlobal );
- int grainSize = 100;
- btParallelFor( 0, m_tmpSolverBodyPool.size(), grainSize, loop );
- }
+ {
+ WriteContactPointsLoop loop(this, infoGlobal);
+ int grainSize = 500;
+ btParallelFor(0, m_tmpSolverContactConstraintPool.size(), grainSize, loop);
+ }
+
+ {
+ WriteJointsLoop loop(this, infoGlobal);
+ int grainSize = 400;
+ btParallelFor(0, m_tmpSolverNonContactConstraintPool.size(), grainSize, loop);
+ }
+ {
+ WriteBodiesLoop loop(this, infoGlobal);
+ int grainSize = 100;
+ btParallelFor(0, m_tmpSolverBodyPool.size(), grainSize, loop);
+ }
m_tmpSolverContactConstraintPool.resizeNoInitialize(0);
m_tmpSolverNonContactConstraintPool.resizeNoInitialize(0);
@@ -1618,4 +1552,3 @@ btScalar btSequentialImpulseConstraintSolverMt::solveGroupCacheFriendlyFinish(bt
m_tmpSolverBodyPool.resizeNoInitialize(0);
return 0.f;
}
-