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diff --git a/APEX_1.4/module/fieldsampler/include/FieldSamplerWrapper.h b/APEX_1.4/module/fieldsampler/include/FieldSamplerWrapper.h
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+++ b/APEX_1.4/module/fieldsampler/include/FieldSamplerWrapper.h
@@ -0,0 +1,149 @@
+/*
+ * 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 __FIELD_SAMPLER_WRAPPER_H__
+#define __FIELD_SAMPLER_WRAPPER_H__
+
+#include "Apex.h"
+#include "ApexSDKHelpers.h"
+#include "ApexActor.h"
+#include "FieldSamplerIntl.h"
+
+#if APEX_CUDA_SUPPORT
+#include "ApexCudaWrapper.h"
+#endif
+
+#include "FieldSamplerSceneWrapper.h"
+#include "FieldSamplerCommon.h"
+
+namespace nvidia
+{
+namespace fieldsampler
+{
+
+class FieldSamplerManager;
+
+class FieldBoundaryWrapper;
+
+class FieldSamplerWrapper : public ApexResourceInterface, public ApexResource
+{
+public:
+	// ApexResourceInterface methods
+	void			release();
+	void			setListIndex(ResourceList& list, uint32_t index)
+	{
+		m_listIndex = index;
+		m_list = &list;
+	}
+	uint32_t	getListIndex() const
+	{
+		return m_listIndex;
+	}
+
+	FieldSamplerWrapper(ResourceList& list, FieldSamplerManager* manager, FieldSamplerIntl* fieldSampler, const FieldSamplerDescIntl& fieldSamplerDesc, FieldSamplerSceneWrapper* fieldSamplerSceneWrapper);
+
+	virtual void update();
+
+	PX_INLINE FieldSamplerIntl* getInternalFieldSampler() const
+	{
+		return mFieldSampler;
+	}
+	PX_INLINE const FieldSamplerDescIntl& getInternalFieldSamplerDesc() const
+	{
+		return mFieldSamplerDesc;
+	}
+	PX_INLINE FieldSamplerSceneWrapper* getFieldSamplerSceneWrapper() const
+	{
+		return mSceneWrapper;
+	}
+
+	bool addFieldBoundary(FieldBoundaryWrapper* wrapper);
+	bool removeFieldBoundary(FieldBoundaryWrapper* wrapper);
+
+	uint32_t getFieldBoundaryCount() const
+	{
+		return mFieldBoundaryInfoArray.size();
+	}
+	FieldBoundaryWrapper* getFieldBoundaryWrapper(uint32_t index) const
+	{
+		return mFieldBoundaryInfoArray[index]->getFieldBoundaryWrapper();
+	}
+
+	PX_INLINE const FieldShapeDescIntl&   getInternalFieldSamplerShape() const
+	{
+		return mFieldSamplerShape;
+	}
+	PX_INLINE bool                      isFieldSamplerChanged() const
+	{
+		return mFieldSamplerShapeChanged;
+	}
+	PX_INLINE bool                      isEnabled() const
+	{
+		return mIsEnabled;
+	}
+	PX_INLINE bool                      isEnabledChanged() const
+	{
+		return (mIsEnabled != mIsEnabledLast);
+	}
+
+protected:
+	FieldSamplerManager*		mManager;
+	FieldSamplerIntl*				mFieldSampler;
+	FieldSamplerDescIntl			mFieldSamplerDesc;
+
+	FieldShapeDescIntl			mFieldSamplerShape;
+	bool						mFieldSamplerShapeChanged;
+
+	FieldSamplerSceneWrapper*	mSceneWrapper;
+	uint32_t				mQueryRefCount;
+
+	nvidia::Array<FieldSamplerSceneWrapper::FieldBoundaryInfo*>	mFieldBoundaryInfoArray;
+	bool														mFieldBoundaryInfoArrayChanged;
+
+	bool						mIsEnabled;
+	bool						mIsEnabledLast;
+
+	friend class FieldSamplerManager;
+};
+
+
+class FieldSamplerWrapperCPU : public FieldSamplerWrapper
+{
+public:
+	FieldSamplerWrapperCPU(ResourceList& list, FieldSamplerManager* manager, FieldSamplerIntl* fieldSampler, const FieldSamplerDescIntl& fieldSamplerDesc, FieldSamplerSceneWrapper* fieldSamplerSceneWrapper);
+
+private:
+};
+
+#if APEX_CUDA_SUPPORT
+class FieldSamplerWrapperGPU : public FieldSamplerWrapperCPU
+{
+public:
+	FieldSamplerWrapperGPU(ResourceList& list, FieldSamplerManager* manager, FieldSamplerIntl* fieldSampler, const FieldSamplerDescIntl& fieldSamplerDesc, FieldSamplerSceneWrapper* fieldSamplerSceneWrapper);
+
+	virtual void update();
+
+	PX_INLINE InplaceHandle<FieldSamplerParams>   getParamsHandle() const
+	{
+		PX_ASSERT(mFieldSamplerParamsHandle.isNull() == false);
+		return mFieldSamplerParamsHandle;
+	}
+
+private:
+	ApexCudaConstMemGroup               mConstMemGroup;
+	InplaceHandle<FieldSamplerParams>   mFieldSamplerParamsHandle;
+};
+#endif
+
+}
+} // end namespace nvidia::apex
+
+#endif