Method onInit

deps/physx/physx/samples/samplebase/PhysXSample.cpp:821–985

void PhysXSample::onInit()
{

	//Recording memory allocations is necessary if you want to 
	//use the memory facilities in PVD effectively.  Since PVD isn't necessarily connected
	//right away, we add a mechanism that records all outstanding memory allocations and
	//forwards them to PVD when it does connect.

	//This certainly has a performance and memory profile effect and thus should be used
	//only in non-production builds.
	bool recordMemoryAllocations = true;
	const bool useCustomTrackingAllocator = true;

	PxAllocatorCallback* allocator = &gDefaultAllocatorCallback;

	if(useCustomTrackingAllocator)		
		allocator = getSampleAllocator();		//optional override that will track memory allocations

	mFoundation = PxCreateFoundation(PX_PHYSICS_VERSION, *allocator, getSampleErrorCallback());
	if(!mFoundation)
		fatalError("PxCreateFoundation failed!");

#if PX_SUPPORT_GPU_PHYSX
	if(mCreateCudaCtxManager)
	{
		PxCudaContextManagerDesc cudaContextManagerDesc;

#if defined(RENDERER_ENABLE_CUDA_INTEROP)
		if (!mApplication.getCommandLine().hasSwitch("nointerop"))
		{
			switch(getRenderer()->getDriverType())
			{
			case Renderer::DRIVER_DIRECT3D11:
				cudaContextManagerDesc.interopMode = PxCudaInteropMode::D3D11_INTEROP;
				break;
			case Renderer::DRIVER_OPENGL:
				cudaContextManagerDesc.interopMode = PxCudaInteropMode::OGL_INTEROP;
				break;
			}
			cudaContextManagerDesc.graphicsDevice = getRenderer()->getDevice();
		}
#endif 
		mCudaContextManager = PxCreateCudaContextManager(*mFoundation, cudaContextManagerDesc, PxGetProfilerCallback());
		if( mCudaContextManager )
		{
			if( !mCudaContextManager->contextIsValid() )
			{
				mCudaContextManager->release();
				mCudaContextManager = NULL;
			}
		}
	}
#endif

	createPvdConnection();

	PxTolerancesScale scale;
	customizeTolerances(scale);