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diff --git a/APEX_1.4/module/basicios/include/BasicIosActorGPU.h b/APEX_1.4/module/basicios/include/BasicIosActorGPU.h
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+++ b/APEX_1.4/module/basicios/include/BasicIosActorGPU.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 __BASIC_IOS_ACTOR_GPU_H__
+#define __BASIC_IOS_ACTOR_GPU_H__
+
+#include "Apex.h"
+
+#if ENABLE_TEST
+#include "BasicIosTestActor.h"
+#endif
+#include "BasicIosActorImpl.h"
+#include "BasicIosAssetImpl.h"
+#include "InstancedObjectSimulationIntl.h"
+#include "BasicIosSceneGPU.h"
+#include "ApexActor.h"
+#include "ApexContext.h"
+#include "ApexFIFO.h"
+#include "FieldSamplerQueryIntl.h"
+
+#include "PxGpuTask.h"
+
+namespace nvidia
+{
+namespace IOFX
+{
+class IofxActor;
+class RenderVolume;
+}
+
+namespace basicios
+{
+
+#if ENABLE_TEST
+#define BASIC_IOS_ACTOR BasicIosTestActor
+#else
+#define BASIC_IOS_ACTOR BasicIosActorImpl
+#endif
+
+class BasicIosActorGPU : public BASIC_IOS_ACTOR
+{
+public:
+	APEX_RW_LOCKABLE_BOILERPLATE
+
+	BasicIosActorGPU(ResourceList&, BasicIosAssetImpl&, BasicIosScene&, nvidia::apex::IofxAsset&, const ApexMirroredPlace::Enum defaultPlace = ApexMirroredPlace::GPU);
+	~BasicIosActorGPU();
+
+	virtual void						submitTasks();
+	virtual void						setTaskDependencies();
+	virtual void						fetchResults();
+
+protected:
+	bool								launch(CUstream stream, int kernelIndex);
+
+	PxGpuCopyDescQueue		mCopyQueue;
+
+	ApexMirroredArray<uint32_t>		mHoleScanSum;
+	ApexMirroredArray<uint32_t>		mMoveIndices;
+
+	ApexMirroredArray<uint32_t>		mTmpReduce;
+	ApexMirroredArray<uint32_t>		mTmpHistogram;
+	ApexMirroredArray<uint32_t>		mTmpScan;
+	ApexMirroredArray<uint32_t>		mTmpScan1;
+
+	ApexMirroredArray<uint32_t>		mTmpOutput;
+	ApexMirroredArray<uint32_t>		mTmpOutput1;
+
+	class LaunchTask : public PxGpuTask
+	{
+	public:
+		LaunchTask(BasicIosActorGPU& actor) : mActor(actor) {}
+		const char* getName() const
+		{
+			return "BasicIosActorGPU::LaunchTask";
+		}
+		void         run()
+		{
+			PX_ALWAYS_ASSERT();
+		}
+		bool         launchInstance(CUstream stream, int kernelIndex)
+		{
+			return mActor.launch(stream, kernelIndex);
+		}
+		PxGpuTaskHint::Enum getTaskHint() const
+		{
+			return PxGpuTaskHint::Kernel;
+		}
+
+	protected:
+		BasicIosActorGPU& mActor;
+
+	private:
+		LaunchTask& operator=(const LaunchTask&);
+	};
+
+	static PX_CUDA_CALLABLE PX_INLINE PxMat44 inverse(const PxMat44& in);
+	static float distance(PxVec4 a, PxVec4 b);
+
+	LaunchTask							mLaunchTask;
+};
+
+}
+} // namespace nvidia
+
+#endif // __BASIC_IOS_ACTOR_GPU_H__