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// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
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#ifndef PT_BATCHER_H
#define PT_BATCHER_H

#include "PxPhysXConfig.h"
#if PX_USE_PARTICLE_SYSTEM_API

#include "CmTask.h"

namespace physx
{

namespace Pt
{

class Batcher : public Ps::UserAllocated
{
  public:
	Batcher(class Context& _context);

	/**
	Issues shape update stages for a batch of particle systems.
	Ownership of Pt::ParticleShapeUpdateInput::shapes passed to callee!
	*/
	physx::PxBaseTask& scheduleShapeGeneration(class ParticleSystemSim** particleSystems,
	                                           struct ParticleShapesUpdateInput* inputs, PxU32 batchSize,
	                                           physx::PxBaseTask& continuation);

	/**
	Issues dynamics (SPH) update on CPUs.
	*/
	physx::PxBaseTask& scheduleDynamicsCpu(class ParticleSystemSim** particleSystems, PxU32 batchSize,
	                                       physx::PxBaseTask& continuation);

	/**
	Schedules collision prep work.
	*/
	physx::PxBaseTask& scheduleCollisionPrep(class ParticleSystemSim** particleSystems,
	                                         physx::PxLightCpuTask** inputPrepTasks, PxU32 batchSize,
	                                         physx::PxBaseTask& continuation);

	/**
	Schedules collision update stages for a batch of particle systems on CPU.
	Ownership of Pt::ParticleCollisionUpdateInput::contactManagerStream passed to callee!
	*/
	physx::PxBaseTask& scheduleCollisionCpu(class ParticleSystemSim** particleSystems, PxU32 batchSize,
	                                        physx::PxBaseTask& continuation);

	/**
	Schedule gpu pipeline.
	*/
	physx::PxBaseTask& schedulePipelineGpu(ParticleSystemSim** particleSystems, PxU32 batchSize,
	                                       physx::PxBaseTask& continuation);

	Cm::FanoutTask shapeGenTask;
	Cm::FanoutTask dynamicsCpuTask;
	Cm::FanoutTask collPrepTask;
	Cm::FanoutTask collisionCpuTask;

	class Context& context;

  private:
	Batcher(const Batcher&);
	Batcher& operator=(const Batcher&);
};

} // namespace Pt
} // namespace physx

#endif // PX_USE_PARTICLE_SYSTEM_API
#endif // PT_BATCHER_H