GRK/dependencies/physx-4.1/include/PxSceneLock.h

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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) 2008-2019 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 PX_PHYSICS_NX_SCENELOCK
#define PX_PHYSICS_NX_SCENELOCK
/** \addtogroup physics
@{
*/
#include "PxPhysXConfig.h"
#include "PxScene.h"
#if !PX_DOXYGEN
namespace physx
{
#endif
/**
\brief RAII wrapper for the PxScene read lock.
Use this class as follows to lock the scene for reading by the current thread
for the duration of the enclosing scope:
PxSceneReadLock lock(sceneRef);
\see PxScene::lockRead(), PxScene::unlockRead(), PxSceneFlag::eREQUIRE_RW_LOCK
*/
class PxSceneReadLock
{
PxSceneReadLock(const PxSceneReadLock&);
PxSceneReadLock& operator=(const PxSceneReadLock&);
public:
/**
\brief Constructor
\param scene The scene to lock for reading
\param file Optional string for debugging purposes
\param line Optional line number for debugging purposes
*/
PxSceneReadLock(PxScene& scene, const char* file=NULL, PxU32 line=0)
: mScene(scene)
{
mScene.lockRead(file, line);
}
~PxSceneReadLock()
{
mScene.unlockRead();
}
private:
PxScene& mScene;
};
/**
\brief RAII wrapper for the PxScene write lock.
Use this class as follows to lock the scene for writing by the current thread
for the duration of the enclosing scope:
PxSceneWriteLock lock(sceneRef);
\see PxScene::lockWrite(), PxScene::unlockWrite(), PxSceneFlag::eREQUIRE_RW_LOCK
*/
class PxSceneWriteLock
{
PxSceneWriteLock(const PxSceneWriteLock&);
PxSceneWriteLock& operator=(const PxSceneWriteLock&);
public:
/**
\brief Constructor
\param scene The scene to lock for writing
\param file Optional string for debugging purposes
\param line Optional line number for debugging purposes
*/
PxSceneWriteLock(PxScene& scene, const char* file=NULL, PxU32 line=0)
: mScene(scene)
{
mScene.lockWrite(file, line);
}
~PxSceneWriteLock()
{
mScene.unlockWrite();
}
private:
PxScene& mScene;
};
#if !PX_DOXYGEN
} // namespace physx
#endif
/** @} */
#endif