diff options
Diffstat (limited to 'thirdparty/bullet/src/BulletCollision/CollisionDispatch/btCollisionDispatcherMt.cpp')
-rw-r--r-- | thirdparty/bullet/src/BulletCollision/CollisionDispatch/btCollisionDispatcherMt.cpp | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/thirdparty/bullet/src/BulletCollision/CollisionDispatch/btCollisionDispatcherMt.cpp b/thirdparty/bullet/src/BulletCollision/CollisionDispatch/btCollisionDispatcherMt.cpp deleted file mode 100644 index 075860c503..0000000000 --- a/thirdparty/bullet/src/BulletCollision/CollisionDispatch/btCollisionDispatcherMt.cpp +++ /dev/null @@ -1,164 +0,0 @@ -/* -Bullet Continuous Collision Detection and Physics Library -Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ - -This software is provided 'as-is', without any express or implied warranty. -In no event will the authors be held liable for any damages arising from the use of this software. -Permission is granted to anyone to use this software for any purpose, -including commercial applications, and to alter it and redistribute it freely, -subject to the following restrictions: - -1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. -2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. -3. This notice may not be removed or altered from any source distribution. -*/ - - - -#include "btCollisionDispatcherMt.h" -#include "LinearMath/btQuickprof.h" - -#include "BulletCollision/BroadphaseCollision/btCollisionAlgorithm.h" - -#include "BulletCollision/CollisionShapes/btCollisionShape.h" -#include "BulletCollision/CollisionDispatch/btCollisionObject.h" -#include "BulletCollision/BroadphaseCollision/btOverlappingPairCache.h" -#include "LinearMath/btPoolAllocator.h" -#include "BulletCollision/CollisionDispatch/btCollisionConfiguration.h" -#include "BulletCollision/CollisionDispatch/btCollisionObjectWrapper.h" - - -btCollisionDispatcherMt::btCollisionDispatcherMt( btCollisionConfiguration* config, int grainSize ) - : btCollisionDispatcher( config ) -{ - m_batchUpdating = false; - m_grainSize = grainSize; // iterations per task -} - - -btPersistentManifold* btCollisionDispatcherMt::getNewManifold( const btCollisionObject* body0, const btCollisionObject* body1 ) -{ - //optional relative contact breaking threshold, turned on by default (use setDispatcherFlags to switch off feature for improved performance) - - btScalar contactBreakingThreshold = ( m_dispatcherFlags & btCollisionDispatcher::CD_USE_RELATIVE_CONTACT_BREAKING_THRESHOLD ) ? - btMin( body0->getCollisionShape()->getContactBreakingThreshold( gContactBreakingThreshold ), body1->getCollisionShape()->getContactBreakingThreshold( gContactBreakingThreshold ) ) - : gContactBreakingThreshold; - - btScalar contactProcessingThreshold = btMin( body0->getContactProcessingThreshold(), body1->getContactProcessingThreshold() ); - - void* mem = m_persistentManifoldPoolAllocator->allocate( sizeof( btPersistentManifold ) ); - if ( NULL == mem ) - { - //we got a pool memory overflow, by default we fallback to dynamically allocate memory. If we require a contiguous contact pool then assert. - if ( ( m_dispatcherFlags&CD_DISABLE_CONTACTPOOL_DYNAMIC_ALLOCATION ) == 0 ) - { - mem = btAlignedAlloc( sizeof( btPersistentManifold ), 16 ); - } - else - { - btAssert( 0 ); - //make sure to increase the m_defaultMaxPersistentManifoldPoolSize in the btDefaultCollisionConstructionInfo/btDefaultCollisionConfiguration - return 0; - } - } - btPersistentManifold* manifold = new( mem ) btPersistentManifold( body0, body1, 0, contactBreakingThreshold, contactProcessingThreshold ); - if ( !m_batchUpdating ) - { - // batch updater will update manifold pointers array after finishing, so - // only need to update array when not batch-updating - //btAssert( !btThreadsAreRunning() ); - manifold->m_index1a = m_manifoldsPtr.size(); - m_manifoldsPtr.push_back( manifold ); - } - - return manifold; -} - -void btCollisionDispatcherMt::releaseManifold( btPersistentManifold* manifold ) -{ - clearManifold( manifold ); - //btAssert( !btThreadsAreRunning() ); - if ( !m_batchUpdating ) - { - // batch updater will update manifold pointers array after finishing, so - // only need to update array when not batch-updating - int findIndex = manifold->m_index1a; - btAssert( findIndex < m_manifoldsPtr.size() ); - m_manifoldsPtr.swap( findIndex, m_manifoldsPtr.size() - 1 ); - m_manifoldsPtr[ findIndex ]->m_index1a = findIndex; - m_manifoldsPtr.pop_back(); - } - - manifold->~btPersistentManifold(); - if ( m_persistentManifoldPoolAllocator->validPtr( manifold ) ) - { - m_persistentManifoldPoolAllocator->freeMemory( manifold ); - } - else - { - btAlignedFree( manifold ); - } -} - -struct CollisionDispatcherUpdater : public btIParallelForBody -{ - btBroadphasePair* mPairArray; - btNearCallback mCallback; - btCollisionDispatcher* mDispatcher; - const btDispatcherInfo* mInfo; - - CollisionDispatcherUpdater() - { - mPairArray = NULL; - mCallback = NULL; - mDispatcher = NULL; - mInfo = NULL; - } - void forLoop( int iBegin, int iEnd ) const - { - for ( int i = iBegin; i < iEnd; ++i ) - { - btBroadphasePair* pair = &mPairArray[ i ]; - mCallback( *pair, *mDispatcher, *mInfo ); - } - } -}; - - -void btCollisionDispatcherMt::dispatchAllCollisionPairs( btOverlappingPairCache* pairCache, const btDispatcherInfo& info, btDispatcher* dispatcher ) -{ - int pairCount = pairCache->getNumOverlappingPairs(); - if ( pairCount == 0 ) - { - return; - } - CollisionDispatcherUpdater updater; - updater.mCallback = getNearCallback(); - updater.mPairArray = pairCache->getOverlappingPairArrayPtr(); - updater.mDispatcher = this; - updater.mInfo = &info; - - m_batchUpdating = true; - btParallelFor( 0, pairCount, m_grainSize, updater ); - m_batchUpdating = false; - - // reconstruct the manifolds array to ensure determinism - m_manifoldsPtr.resizeNoInitialize( 0 ); - - btBroadphasePair* pairs = pairCache->getOverlappingPairArrayPtr(); - for ( int i = 0; i < pairCount; ++i ) - { - if (btCollisionAlgorithm* algo = pairs[ i ].m_algorithm) - { - algo->getAllContactManifolds( m_manifoldsPtr ); - } - } - - // update the indices (used when releasing manifolds) - for ( int i = 0; i < m_manifoldsPtr.size(); ++i ) - { - m_manifoldsPtr[ i ]->m_index1a = i; - } -} - - |