Added missing files

src/libs/glsl/glslmemorypool.cpp

@@ -0,0 +1,120 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** Commercial Usage
+**
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** GNU Lesser General Public License Usage
+**
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://qt.nokia.com/contact.
+**
+**************************************************************************/
+
+#include "glslmemorypool.h"
+#include <cstring>
+#include <cassert>
+
+using namespace GLSL;
+
+MemoryPool::MemoryPool()
+    : _blocks(0),
+      _allocatedBlocks(0),
+      _blockCount(-1),
+      _ptr(0),
+      _end(0)
+{ }
+
+MemoryPool::~MemoryPool()
+{
+    if (_blocks) {
+        for (int i = 0; i < _allocatedBlocks; ++i) {
+            if (char *b = _blocks[i])
+                std::free(b);
+        }
+
+        std::free(_blocks);
+    }
+}
+
+void MemoryPool::reset()
+{
+    _blockCount = -1;
+    _ptr = _end = 0;
+}
+
+void *MemoryPool::allocate_helper(size_t size)
+{
+    assert(size < BLOCK_SIZE);
+
+    if (++_blockCount == _allocatedBlocks) {
+        if (! _allocatedBlocks)
+            _allocatedBlocks = DEFAULT_BLOCK_COUNT;
+        else
+            _allocatedBlocks *= 2;
+
+        _blocks = (char **) realloc(_blocks, sizeof(char *) * _allocatedBlocks);
+
+        for (int index = _blockCount; index < _allocatedBlocks; ++index)
+            _blocks[index] = 0;
+    }
+
+    char *&block = _blocks[_blockCount];
+
+    if (! block)
+        block = (char *) std::malloc(BLOCK_SIZE);
+
+    _ptr = block;
+    _end = _ptr + BLOCK_SIZE;
+
+    void *addr = _ptr;
+    _ptr += size;
+    return addr;
+}
+
+RecursiveMemoryPool::RecursiveMemoryPool(MemoryPool *pool)
+    : _pool(pool),
+      _blockCount(pool->_blockCount),
+      _ptr(pool->_ptr),
+      _end(pool->_end)
+{
+}
+
+RecursiveMemoryPool::~RecursiveMemoryPool()
+{
+    _pool->_blockCount = _blockCount;
+    _pool->_ptr = _ptr;
+    _pool->_end = _end;
+}
+
+Managed::Managed()
+{ }
+
+Managed::~Managed()
+{ }
+
+void *Managed::operator new(size_t size, MemoryPool *pool)
+{ return pool->allocate(size); }
+
+void Managed::operator delete(void *)
+{ }
+
+void Managed::operator delete(void *, MemoryPool *)
+{ }
+

src/libs/glsl/glslmemorypool.h

@@ -0,0 +1,110 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** Commercial Usage
+**
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** GNU Lesser General Public License Usage
+**
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://qt.nokia.com/contact.
+**
+**************************************************************************/
+#ifndef GLSLMEMORYPOOL_H
+#define GLSLMEMORYPOOL_H
+
+#include "glsl.h"
+#include <new>
+
+namespace GLSL {
+
+class MemoryPool;
+class RecursiveMemoryPool;
+
+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
+    };
+
+    friend class RecursiveMemoryPool;
+};
+
+class GLSL_EXPORT RecursiveMemoryPool
+{
+    MemoryPool *_pool;
+    int _blockCount;
+    char *_ptr;
+    char *_end;
+
+public:
+    RecursiveMemoryPool(MemoryPool *pool);
+    ~RecursiveMemoryPool();
+};
+
+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 *);
+};
+
+} // end of namespace GLSL
+
+
+#endif // GLSLMEMORYPOOL_H