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Removed dead code

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AutoreleasePoolWrapper is no more used since ARC is used on Mac.
This commit is contained in:
Marco Antognini 2014-04-21 18:29:07 +02:00
parent 52bb192cff
commit c222c28aa7
2 changed files with 0 additions and 276 deletions
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51
src/SFML/Window/OSX/AutoreleasePoolWrapper.h
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////////////////////////////////////////////////////////////
//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2014 Marco Antognini (antognini.marco@gmail.com),
// Laurent Gomila (laurent.gom@gmail.com),
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
// you must not claim that you wrote the original software.
// If you use this software in a product, an acknowledgment
// in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
// and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
/// \brief Ensure at least one autorelease pool is available on this thread
///
/// Increment a retain count.
/// See SPECIAL CONSIDERATION in implementation file.
///
////////////////////////////////////////////////////////////
void retainPool(void);
////////////////////////////////////////////////////////////
/// \brief Release the pool.
///
/// Drain the pool if it is no more needed (retain count is zero)
/// See SPECIAL CONSIDERATION in implementation file.
///
////////////////////////////////////////////////////////////
void releasePool(void);
////////////////////////////////////////////////////////////
/// \brief Drain the pool
///
/// releasePool must be called at least once before drainPool.
///
////////////////////////////////////////////////////////////
void drainPool();

225
src/SFML/Window/OSX/AutoreleasePoolWrapper.mm
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////////////////////////////////////////////////////////////
//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2014 Marco Antognini (antognini.marco@gmail.com),
// Laurent Gomila (laurent.gom@gmail.com),
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
// you must not claim that you wrote the original software.
// If you use this software in a product, an acknowledgment
// in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
// and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <SFML/System/Err.hpp>
#include <SFML/System/NonCopyable.hpp>
#include <SFML/System/ThreadLocalPtr.hpp>
#import <SFML/Window/OSX/AutoreleasePoolWrapper.h>
#import <Foundation/Foundation.h>
////////////////////////////////////////////////////////////
/// Here we manage one and only one pool by thread. This prevents draining one
/// pool and making other pools invalid which can lead to a crash on 10.5 and an
/// annoying message on 10.6 (*** attempt to pop an unknown autorelease pool).
///
/// Because NSAutoreleasePool cannot be retain we have to do it ourself.
/// We use an sf::ThreadLocalPtr to have one PoolWrapper in each thread.
///
/// SPECIAL CONSIDERATION:
/// ======================
/// This implies that if retainPool is called X times in a thread Y then
/// releasePool must be called X times too in the same thread Y.
///
////////////////////////////////////////////////////////////
namespace sf
{
namespace priv
{
////////////////////////////////////////////////////////////
/// \brief C++ Wrapper of Obj-C Autorelease Pool
///
////////////////////////////////////////////////////////////
class PoolWrapper : NonCopyable
{
public :
////////////////////////////////////////////////////////////
/// \brief Default constructor
///
////////////////////////////////////////////////////////////
PoolWrapper();
////////////////////////////////////////////////////////////
/// \brief Default destructor
///
////////////////////////////////////////////////////////////
~PoolWrapper();
////////////////////////////////////////////////////////////
/// \brief Increment retain count and allocate memory if needed
///
////////////////////////////////////////////////////////////
void retain();
////////////////////////////////////////////////////////////
/// \brief Decrement retain count and releasing memory if needed
///
////////////////////////////////////////////////////////////
void release();
////////////////////////////////////////////////////////////
/// \brief Drain the pool
///
////////////////////////////////////////////////////////////
void drain();
private:
////////////////////////////////////////////////////////////
// Member data
////////////////////////////////////////////////////////////
int m_count; ///< How many times was the pool retained?
NSAutoreleasePool* m_pool; ///< Our dedicated pool
};
////////////////////////////////////////////////////////////
PoolWrapper::PoolWrapper() :
m_count(0),
m_pool(0)
{
/* Nothing else */
}
////////////////////////////////////////////////////////////
PoolWrapper::~PoolWrapper()
{
#ifdef SFML_DEBUG
if (m_count < 0)
sf::err() << "~PoolWrapper : m_count is less than zero! "
"You called releasePool from a thread too many times."
<< std::endl;
else if (m_count > 0)
sf::err() << "~PoolWrapper : m_count is greater than zero! "
"You called releasePool from a thread to few times."
<< std::endl;
else // m_count == 0
sf::err() << "~PoolWrapper is HAPPY!" << std::endl;
#endif
}
////////////////////////////////////////////////////////////
void PoolWrapper::retain()
{
// Increase counter.
++m_count;
// Allocate pool if required.
if (m_pool == 0)
m_pool = [[NSAutoreleasePool alloc] init];
#ifdef SFML_DEBUG
if (m_count <= 0)
sf::err() << "PoolWrapper::retain : m_count <= 0! " << std::endl;
#endif
}
////////////////////////////////////////////////////////////
void PoolWrapper::release()
{
// Decrease counter.
--m_count;
// Drain pool if required.
if (m_count == 0)
drain();
#ifdef SFML_DEBUG
if (m_count < 0)
sf::err() << "PoolWrapper::release : m_count < 0! " << std::endl;
#endif
}
void PoolWrapper::drain()
{
[m_pool drain];
m_pool = 0;
if (m_count != 0)
m_pool = [[NSAutoreleasePool alloc] init];
}
} // namespace priv
} // namespace sf
////////////////////////////////////////////////////////////
// Private data
////////////////////////////////////////////////////////////
namespace
{
// This per-thread variable holds the current autorelease pool for each thread
sf::ThreadLocalPtr<sf::priv::PoolWrapper> localPool;
}
////////////////////////////////////////////////////////////
void retainPool(void)
{
// First, Check that we have a valid PoolWrapper object in our local pool.
if (localPool == NULL)
localPool = new sf::priv::PoolWrapper();
// Then retains!
localPool->retain();
}
////////////////////////////////////////////////////////////
void releasePool(void)
{
if (localPool != NULL)
localPool->release();
#ifdef SFML_DEBUG
else
sf::err() << "releasePool : You must call retainPool at least once "
"in this thread before calling releasePool."
<< std::endl;
#endif
}
////////////////////////////////////////////////////////////
void drainPool()
{
if (localPool != NULL)
localPool->drain();
#ifdef SFML_DEBUG
else
sf::err() << "releasePool must be called at least one before drainPool"
<< std::endl;
#endif
}