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// This code contains NVIDIA Confidential Information and is disclosed to you
// under a form of NVIDIA software license agreement provided separately to you.
//
// Notice
// NVIDIA Corporation and its licensors retain all intellectual property and
// proprietary rights in and to this software and 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.
//
// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
//
// Information and code furnished is believed to be accurate and reliable.
// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
// information or for any infringement of patents or other rights of third parties that may
// result from its use. No license is granted by implication or otherwise under any patent
// or patent rights of NVIDIA Corporation. Details are subject to change without notice.
// This code supersedes and replaces all information previously supplied.
// NVIDIA Corporation products are not authorized for use as critical
// components in life support devices or systems without express written approval of
// NVIDIA Corporation.
//
// Copyright (c) 2008-2016 NVIDIA Corporation. All rights reserved.
// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
#ifndef PXFOUNDATION_PXIO_H
#define PXFOUNDATION_PXIO_H
/** \addtogroup common
@{
*/
#include "foundation/PxSimpleTypes.h"
#if !PX_DOXYGEN
namespace physx
{
#endif
/**
\brief Input stream class for I/O.
The user needs to supply a PxInputStream implementation to a number of methods to allow the SDK to read data.
*/
class PxInputStream
{
public:
/**
\brief read from the stream. The number of bytes read may be less than the number requested.
\param[in] dest the destination address to which the data will be read
\param[in] count the number of bytes requested
\return the number of bytes read from the stream.
*/
virtual uint32_t read(void* dest, uint32_t count) = 0;
virtual ~PxInputStream()
{
}
};
/**
\brief Input data class for I/O which provides random read access.
The user needs to supply a PxInputData implementation to a number of methods to allow the SDK to read data.
*/
class PxInputData : public PxInputStream
{
public:
/**
\brief return the length of the input data
\return size in bytes of the input data
*/
virtual uint32_t getLength() const = 0;
/**
\brief seek to the given offset from the start of the data.
\param[in] offset the offset to seek to. If greater than the length of the data, this call is equivalent to
seek(length);
*/
virtual void seek(uint32_t offset) = 0;
/**
\brief return the current offset from the start of the data
\return the offset to seek to.
*/
virtual uint32_t tell() const = 0;
virtual ~PxInputData()
{
}
};
/**
\brief Output stream class for I/O.
The user needs to supply a PxOutputStream implementation to a number of methods to allow the SDK to write data.
*/
class PxOutputStream
{
public:
/**
\brief write to the stream. The number of bytes written may be less than the number sent.
\param[in] src the destination address from which the data will be written
\param[in] count the number of bytes to be written
\return the number of bytes written to the stream by this call.
*/
virtual uint32_t write(const void* src, uint32_t count) = 0;
virtual ~PxOutputStream()
{
}
};
#if !PX_DOXYGEN
} // namespace physx
#endif
/** @} */
#endif // #ifndef PXFOUNDATION_PXIO_H
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