add option to compile benchmark using BulletMultiThreaded (for now the option is only tested on Windows)

src/BulletMultiThreaded/btParallelConstraintSolver.cpp

@@ -0,0 +1,74 @@
+/*
+   Copyright (C) 2010 Sony Computer Entertainment Inc.
+   All rights reserved.
+
+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 "btParallelConstraintSolver.h"
+#include "BulletDynamics/ConstraintSolver/btContactSolverInfo.h"
+
+btParallelConstraintSolver::btParallelConstraintSolver()
+{
+
+	//initialize MiniCL here
+
+}
+	
+btParallelConstraintSolver::~btParallelConstraintSolver()
+{
+	//exit MiniCL
+
+}
+
+	
+btScalar btParallelConstraintSolver::solveGroupCacheFriendlySetup(btCollisionObject** bodies,int numBodies,btPersistentManifold** manifoldPtr, int numManifolds,btTypedConstraint** constraints,int numConstraints,const btContactSolverInfo& infoGlobal,btIDebugDraw* debugDrawer,btStackAlloc* stackAlloc)
+{
+	{
+			int i;
+			btPersistentManifold* manifold = 0;
+//			btCollisionObject* colObj0=0,*colObj1=0;
+
+
+			for (i=0;i<numManifolds;i++)
+			{
+				manifold = manifoldPtr[i];
+				convertContact(manifold,infoGlobal);
+			}
+		
+	}
+
+	btContactSolverInfo info = infoGlobal;
+
+
+
+	int numConstraintPool = m_tmpSolverContactConstraintPool.size();
+	int numFrictionPool = m_tmpSolverContactFrictionConstraintPool.size();
+
+	///@todo: use stack allocator for such temporarily memory, same for solver bodies/constraints
+	m_orderTmpConstraintPool.resize(numConstraintPool);
+	m_orderFrictionConstraintPool.resize(numFrictionPool);
+	{
+		int i;
+		for (i=0;i<numConstraintPool;i++)
+		{
+			m_orderTmpConstraintPool[i] = i;
+		}
+		for (i=0;i<numFrictionPool;i++)
+		{
+			m_orderFrictionConstraintPool[i] = i;
+		}
+	}
+
+	return 0.f;
+}
+