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//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of NVIDIA CORPORATION nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Copyright (c) 2018 NVIDIA Corporation. All rights reserved.
#ifndef RELEASER_H
#define RELEASER_H
#include <stdio.h>
#include "ApexInterface.h"
#include "nvparameterized/NvParameterized.h"
#include "nvparameterized/NvParameterizedTraits.h"
#define RELEASE_AT_EXIT(obj, typeName) Releaser<typeName> obj ## Releaser(obj);
template<typename T>
class Releaser
{
Releaser(Releaser<T>& rhs);
Releaser<T>& operator =(Releaser<T>& rhs);
public:
Releaser(T* obj, void* memory = NULL) : mObj(obj), mMemory(memory)
{
}
~Releaser()
{
doRelease();
}
void doRelease();
void reset(T* newObj = NULL, void* newMemory = NULL)
{
if (newObj != mObj)
{
doRelease(mObj);
}
mObj = newObj;
mMemory = newMemory;
}
private:
T* mObj;
void* mMemory;
};
template<> PX_INLINE void Releaser<NvParameterized::Interface>::doRelease()
{
if (mObj != NULL)
{
mObj->destroy();
}
}
template<> PX_INLINE void Releaser<NvParameterized::Traits>::doRelease()
{
if (mMemory != NULL)
{
mObj->free(mMemory);
}
}
template<> PX_INLINE void Releaser<nvidia::apex::ApexInterface>::doRelease()
{
if (mObj != NULL)
{
mObj->release();
}
}
template<> PX_INLINE void Releaser<physx::PxFileBuf>::doRelease()
{
if (mObj != NULL)
{
mObj->release();
}
}
template<> PX_INLINE void Releaser<FILE>::doRelease()
{
if (mObj != NULL)
{
fclose(mObj);
}
}
#endif // RESOURCE_MANAGER_H
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