97 lines
2.9 KiB
C++
97 lines
2.9 KiB
C++
/****************************************************************************
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Copyright (c) 2011-2013,WebJet Business Division,CYOU
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http://www.genesis-3d.com.cn
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#ifndef STREAMBUFFERPOOL_H_
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#define STREAMBUFFERPOOL_H_
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#include "foundation/core/refcounted.h"
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#include "foundation/util/array.h"
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#include "graphicsystem/base/GraphicBufferData.h"
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#include "graphicsystem/base/DataCollection.h"
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namespace Graphic
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{
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//
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// magage as stack.
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//
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class MemoryPool : public Core::RefCounted
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{
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__DeclareClass(MemoryPool);
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public:
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typedef MemoryBlock::byte buffer_type;
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typedef MemoryBlock::byte_ptr pointer;
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MemoryPool();
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~MemoryPool();
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void Setup(SizeT blockSize);
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void Destroy();
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void Clear();
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bool GetBlock(SizeT size, MemoryBlock& out);
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SizeT Size() const;
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//void Pop();
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static bool _checkBlcok(const MemoryBlock& check);
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//static bool _ckeckLast(const MemoryBlock& check);
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pointer _getPtr(int begin) const;
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protected:
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SizeT getFreeSize();
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void alloc(SizeT size);
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void free();
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struct block
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{
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int begin;
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int size;
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};
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typedef DataCollection<block> blocks;
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SizeT mSize;
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pointer mData;
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blocks mBlocks;
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};
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inline SizeT MemoryPool::Size() const
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{
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return mSize;
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}
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class StreamBufferPool : public Core::RefCounted
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{
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__DeclareClass(StreamBufferPool);
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typedef GPtr<MemoryPool> MemoryPoolPtr;
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typedef Util::Array<MemoryPoolPtr> MemoryPools;
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public:
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StreamBufferPool();
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~StreamBufferPool();
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MemoryBlock GetBlock(SizeT sizeInByte);
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void Setup(SizeT defaultSize, SizeT aditionSize);
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void Destory();
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DynamicBuffer& GetDynamicBuffer();
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bool _checkMemoryPool(const MemoryPool* pool) const;
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private:
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MemoryPoolPtr mDefualtPool;
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MemoryPools mAditionPools;
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MemoryPools mCustomPools;
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SizeT mDefualtSize;
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SizeT mAditionSize;
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};
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}
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#endif //STREAMBUFFERPOOL_H_
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