1 files changed, 104 insertions, 0 deletions
diff --git a/APEX_1.4/module/pxparticleios/include/ParticleIosActorCPU.h b/APEX_1.4/module/pxparticleios/include/ParticleIosActorCPU.h
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+++ b/APEX_1.4/module/pxparticleios/include/ParticleIosActorCPU.h
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+/*
+ * Copyright (c) 2008-2015, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * NVIDIA CORPORATION and its licensors retain all intellectual property
+ * and proprietary rights in and to this software, related documentation
+ * and any modifications thereto.  Any use, reproduction, disclosure or
+ * distribution of this software and related documentation without an express
+ * license agreement from NVIDIA CORPORATION is strictly prohibited.
+ */
+
+
+#ifndef __PARTICLE_IOS_ACTOR_CPU_H__
+#define __PARTICLE_IOS_ACTOR_CPU_H__
+
+#include "Apex.h"
+
+#include "ParticleIosActorImpl.h"
+#include "ParticleIosAssetImpl.h"
+#include "InstancedObjectSimulationIntl.h"
+#include "ParticleIosScene.h"
+#include "ApexActor.h"
+#include "ApexContext.h"
+#include "ApexFIFO.h"
+
+#include "PxTask.h"
+
+namespace nvidia
+{
+
+namespace iofx
+{
+class RenderVolume;
+class IofxAsset;
+}
+
+namespace pxparticleios
+{
+
+class ParticleIosActorCPU : public ParticleIosActorImpl
+{
+public:
+	APEX_RW_LOCKABLE_BOILERPLATE
+
+	ParticleIosActorCPU(ResourceList&, ParticleIosAssetImpl&, ParticleIosScene&, IofxAsset&);
+	~ParticleIosActorCPU();
+
+	virtual PxTaskID				submitTasks(PxTaskManager* tm);
+	virtual void						setTaskDependencies(PxTaskID taskStartAfterID, PxTaskID taskFinishBeforeID);
+
+private:
+	/* Internal utility functions */
+	void								simulateParticles();
+
+	static const uint32_t HISTOGRAM_BIN_COUNT = 1024;
+	uint32_t						computeHistogram(uint32_t dataCount, float dataMin, float dataMax, uint32_t& bound);
+
+	/* particle data (output to the IOFX actors, and some state) */
+
+	struct NewParticleData
+	{
+		uint32_t  destIndex;
+		PxVec3 position;
+		PxVec3 velocity;
+	};
+	physx::Array<uint32_t>			mNewIndices;
+	physx::Array<uint32_t>			mRemovedParticleList;
+	physx::Array<NewParticleData>		mAddedParticleList;
+	physx::PxParticleExt::IndexPool*			mIndexPool;
+
+	/* Field sampler update velocity */
+	physx::Array<uint32_t>			mUpdateIndexBuffer;
+	physx::Array<PxVec3>			mUpdateVelocityBuffer;
+
+	class SimulateTask : public PxTask
+	{
+	public:
+		SimulateTask(ParticleIosActorCPU& actor) : mActor(actor) {}
+
+		const char* getName() const
+		{
+			return "ParticleIosActorCPU::SimulateTask";
+		}
+		void run()
+		{
+			mActor.simulateParticles();
+		}
+
+	protected:
+		ParticleIosActorCPU& mActor;
+
+	private:
+		SimulateTask& operator=(const SimulateTask&);
+	};
+	SimulateTask						mSimulateTask;
+
+	nvidia::apex::ApexCpuInplaceStorage	mSimulationStorage;
+
+	friend class ParticleIosAssetImpl;
+};
+
+}
+} // namespace nvidia
+
+#endif // __PARTICLE_IOS_ACTOR_CPU_H__