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#ifndef PX_PHYSICS_NP_PHYSICS_GPU
#define PX_PHYSICS_NP_PHYSICS_GPU

#include "PxPhysXCommonConfig.h"
#include "PxPhysXConfig.h"

#if PX_SUPPORT_GPU_PHYSX

#include "CmPhysXCommon.h"
#include "PsArray.h"

namespace physx
{
	class PxCudaContextManager;
}

namespace physx
{

	struct PxTriangleMeshCacheStatistics;
	
	class NpPhysicsGpu
	{
	public:

		bool createTriangleMeshMirror(const class PxTriangleMesh& triangleMesh, physx::PxCudaContextManager& contextManager);
		void releaseTriangleMeshMirror(const class PxTriangleMesh& triangleMesh, physx::PxCudaContextManager* contextManager = NULL);
		
		bool createHeightFieldMirror(const class PxHeightField& heightField, physx::PxCudaContextManager& contextManager);
		void releaseHeightFieldMirror(const class PxHeightField& heightField, physx::PxCudaContextManager* contextManager = NULL);
		
		bool createConvexMeshMirror(const class PxConvexMesh& convexMesh, physx::PxCudaContextManager& contextManager);
		void releaseConvexMeshMirror(const class PxConvexMesh& convexMesh, physx::PxCudaContextManager* contextManager = NULL);

		void setExplicitCudaFlushCountHint(const class PxScene& scene, PxU32 cudaFlushCount);
		bool setTriangleMeshCacheSizeHint(const class PxScene& scene, PxU32 size);
		PxTriangleMeshCacheStatistics getTriangleMeshCacheStatistics(const class PxScene& scene);
	
		NpPhysicsGpu(class NpPhysics& npPhysics);
		virtual ~NpPhysicsGpu();
	
	private:

		NpPhysicsGpu& operator=(const NpPhysicsGpu&);

		struct MeshMirror 
		{
			PxU32 mirrorHandle;
			physx::PxCudaContextManager* ctx;
			const void* meshAddress;
		};
	
		Ps::Array<MeshMirror>::Iterator findMeshMirror(const void* meshAddress);
		Ps::Array<MeshMirror>::Iterator findMeshMirror(const void* meshAddress, physx::PxCudaContextManager& ctx);
		class PxPhysXGpu* getPhysXGpu(bool createIfNeeded, const char* functionName, bool doWarn = true);
		bool checkNewMirror(const void* meshPtr, physx::PxCudaContextManager& ctx, const char* functionName);
		bool checkMirrorExists(Ps::Array<MeshMirror>::Iterator it, const char* functionName);
		bool checkMirrorHandle(PxU32 mirrorHandle, const char* functionName);
		void addMeshMirror(const void* meshPtr, PxU32 mirrorHandle, physx::PxCudaContextManager& ctx);
		void removeMeshMirror(const void* meshPtr, PxU32 mirrorHandle);
		void releaseMeshMirror(const void* meshPtr, const char* functionName, physx::PxCudaContextManager* ctx);
	
		Ps::Array<MeshMirror> mMeshMirrors;
		class NpPhysics& mNpPhysics;
	};

}

#endif
#endif