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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#pragma once
#include "glsl.h"
#include <new>
namespace GLSL {
class MemoryPool;
class GLSL_EXPORT MemoryPool
{
MemoryPool(const MemoryPool &other);
void operator =(const MemoryPool &other);
public:
MemoryPool();
~MemoryPool();
void reset();
inline void *allocate(size_t size)
{
size = (size + 7) & ~7;
if (_ptr && (_ptr + size < _end)) {
void *addr = _ptr;
_ptr += size;
return addr;
}
return allocate_helper(size);
}
private:
void *allocate_helper(size_t size);
private:
char **_blocks;
int _allocatedBlocks;
int _blockCount;
char *_ptr;
char *_end;
enum
{
BLOCK_SIZE = 8 * 1024,
DEFAULT_BLOCK_COUNT = 8
};
};
class GLSL_EXPORT Managed
{
Managed(const Managed &other);
void operator = (const Managed &other);
public:
Managed();
virtual ~Managed();
void *operator new(size_t size, MemoryPool *pool);
void operator delete(void *);
void operator delete(void *, MemoryPool *);
};
} // namespace GLSL
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