115 lines
2.4 KiB
C++
115 lines
2.4 KiB
C++
/* SPDX-FileCopyrightText: 2011 Blender Foundation
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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#ifdef WITH_CXX_GUARDEDALLOC
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# include "MEM_guardedalloc.h"
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#endif
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#include "COM_defines.h"
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namespace blender::compositor {
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/* Forward declarations. */
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class MemoryBuffer;
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class ExecutionGroup;
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class WriteBufferOperation;
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/**
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* \brief A MemoryProxy is a unique identifier for a memory buffer.
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* A single MemoryProxy is used among all chunks of the same buffer,
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* the MemoryBuffer only stores the data of a single chunk.
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* \ingroup Memory
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*/
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class MemoryProxy {
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private:
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/**
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* \brief reference to the output operation of the executiongroup
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*/
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WriteBufferOperation *write_buffer_operation_;
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/**
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* \brief reference to the executor. the Execution group that can fill a chunk
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*/
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ExecutionGroup *executor_;
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/**
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* \brief the allocated memory
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*/
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MemoryBuffer *buffer_;
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/**
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* \brief datatype of this MemoryProxy
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*/
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DataType datatype_;
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public:
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MemoryProxy(DataType type);
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/**
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* \brief set the ExecutionGroup that can be scheduled to calculate a certain chunk.
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* \param group: the ExecutionGroup to set
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*/
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void set_executor(ExecutionGroup *executor)
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{
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executor_ = executor;
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}
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/**
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* \brief get the ExecutionGroup that can be scheduled to calculate a certain chunk.
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*/
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ExecutionGroup *get_executor() const
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{
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return executor_;
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}
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/**
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* \brief set the WriteBufferOperation that is responsible for writing to this MemoryProxy
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* \param operation:
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*/
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void set_write_buffer_operation(WriteBufferOperation *operation)
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{
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write_buffer_operation_ = operation;
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}
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/**
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* \brief get the WriteBufferOperation that is responsible for writing to this MemoryProxy
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* \return WriteBufferOperation
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*/
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WriteBufferOperation *get_write_buffer_operation() const
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{
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return write_buffer_operation_;
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}
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/**
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* \brief allocate memory of size width x height
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*/
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void allocate(unsigned int width, unsigned int height);
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/**
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* \brief free the allocated memory
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*/
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void free();
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/**
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* \brief get the allocated memory
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*/
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inline MemoryBuffer *get_buffer()
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{
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return buffer_;
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}
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inline DataType get_data_type()
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{
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return datatype_;
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}
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#ifdef WITH_CXX_GUARDEDALLOC
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MEM_CXX_CLASS_ALLOC_FUNCS("COM:MemoryProxy")
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#endif
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};
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} // namespace blender::compositor
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