Method startSimulation

physx/source/task/src/TaskManager.cpp:219–258

* Called by the owner (Scene) to start simulating the task graph. * Dispatch all tasks with refCount == 1 */

 * Dispatch all tasks with refCount == 1
 */
void PxTaskMgr::startSimulation()
{
    PX_ASSERT( mCpuDispatcher );

	if( mGpuDispatcher )
	{
		mGpuDispatcher->startSimulation();
	}

	/* Handle empty task graph */
	if( mPendingTasks == 0 )
    {

		return;
    }

    bool gpuDispatch = false;
    for( PxTaskID i = 0 ; i < mTaskTable.size() ; i++ )
    {
		if(	mTaskTable[ i ].mType == PxTaskType::TT_COMPLETED )
		{
			continue;
		}
		if( !shdfnd::atomicDecrement( &mTaskTable[ i ].mRefCount ) )
		{
			mStartDispatch.pushBack(i);
		}
	}
	for( uint32_t i=0; i<mStartDispatch.size(); ++i)
	{
		gpuDispatch |= dispatchTask( mStartDispatch[i], gpuDispatch );
	}
	//mStartDispatch.resize(0);
	mStartDispatch.forceSize_Unsafe(0);

    if( mGpuDispatcher && gpuDispatch )
	{
        mGpuDispatcher->finishGroup();
	}
}

void PxTaskMgr::stopSimulation()
{