72 lines
2.3 KiB
C++
72 lines
2.3 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Copyright 2021, Blender Foundation.
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*/
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#pragma once
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#include "COM_NodeOperation.h"
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namespace blender::compositor {
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class MultiThreadedOperation : public NodeOperation {
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protected:
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/**
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* Number of execution passes.
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*/
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int num_passes_;
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/**
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* Current execution pass.
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*/
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int current_pass_;
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protected:
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MultiThreadedOperation();
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/**
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* Called before an update memory buffer pass is executed. Single-threaded calls.
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*/
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virtual void update_memory_buffer_started(MemoryBuffer *UNUSED(output),
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const rcti &UNUSED(area),
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Span<MemoryBuffer *> UNUSED(inputs))
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{
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}
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/**
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* Executes operation updating a memory buffer area. Multi-threaded calls.
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*/
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virtual void update_memory_buffer_partial(MemoryBuffer *output,
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const rcti &area,
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Span<MemoryBuffer *> inputs) = 0;
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/**
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* Called after an update memory buffer pass is executed. Single-threaded calls.
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*/
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virtual void update_memory_buffer_finished(MemoryBuffer *UNUSED(output),
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const rcti &UNUSED(area),
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Span<MemoryBuffer *> UNUSED(inputs))
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{
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}
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private:
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void update_memory_buffer(MemoryBuffer *output,
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const rcti &area,
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Span<MemoryBuffer *> inputs,
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ExecutionSystem &exec_system) override;
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};
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} // namespace blender::compositor
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