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/*
* Copyright 2011, Blender Foundation.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Contributor:
* Jeroen Bakker
* Monique Dewanchand
*/
class MemoryProxy;
#ifndef _COM_MemoryProxy_h_
#define _COM_MemoryProxy_h_
#include "COM_ExecutionGroup.h"
class ExecutionGroup;
class WriteBufferOperation;
/**
* @brief A MemoryProxy is a unique identifier for a memory buffer.
* A single MemoryProxy is used among all chunks of the same buffer,
* the MemoryBuffer only stores the data of a single chunk.
* @ingroup Memory
*/
class MemoryProxy {
private:
/**
* @brief reference to the ouput operation of the executiongroup
*/
WriteBufferOperation *m_writeBufferOperation;
/**
* @brief reference to the executor. the Execution group that can fill a chunk
*/
ExecutionGroup *m_executor;
/**
* @brief datatype of this MemoryProxy
*/
/* DataType m_datatype; */ /* UNUSED */
/**
* @brief channel information of this buffer
*/
/* ChannelInfo m_channelInfo[COM_NUMBER_OF_CHANNELS]; */ /* UNUSED */
/**
* @brief the allocated memory
*/
MemoryBuffer *m_buffer;
/**
* @brief datatype of this MemoryProxy
*/
DataType m_datatype;
public:
MemoryProxy(DataType type);
/**
* @brief set the ExecutionGroup that can be scheduled to calculate a certain chunk.
* @param group the ExecutionGroup to set
*/
void setExecutor(ExecutionGroup *executor) { this->m_executor = executor; }
/**
* @brief get the ExecutionGroup that can be scheduled to calculate a certain chunk.
*/
ExecutionGroup *getExecutor() { return this->m_executor; }
/**
* @brief set the WriteBufferOperation that is responsible for writing to this MemoryProxy
* @param operation
*/
void setWriteBufferOperation(WriteBufferOperation *operation) { this->m_writeBufferOperation = operation; }
/**
* @brief get the WriteBufferOperation that is responsible for writing to this MemoryProxy
* @return WriteBufferOperation
*/
WriteBufferOperation *getWriteBufferOperation() { return this->m_writeBufferOperation; }
/**
* @brief allocate memory of size width x height
*/
void allocate(unsigned int width, unsigned int height);
/**
* @brief free the allocated memory
*/
void free();
/**
* @brief get the allocated memory
*/
inline MemoryBuffer *getBuffer() { return this->m_buffer; }
inline DataType getDataType() { return this->m_datatype; }
#ifdef WITH_CXX_GUARDEDALLOC
MEM_CXX_CLASS_ALLOC_FUNCS("COM:MemoryProxy")
#endif
};
#endif
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