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/*
* 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.
*
* Copyright 2021, Blender Foundation.
*/
#pragma once
#include "COM_NodeOperation.h"
namespace blender::compositor {
class MultiThreadedOperation : public NodeOperation {
protected:
/**
* Number of execution passes.
*/
int m_num_passes;
protected:
MultiThreadedOperation();
/**
* Called before an update memory buffer pass is executed. Single-threaded calls.
*/
virtual void update_memory_buffer_started(MemoryBuffer *UNUSED(output),
const rcti &UNUSED(output_rect),
blender::Span<MemoryBuffer *> UNUSED(inputs),
ExecutionSystem &UNUSED(exec_system),
int UNUSED(current_pass))
{
}
/**
* Executes operation updating output memory buffer on output_rect area. Multi-threaded calls.
*/
virtual void update_memory_buffer_partial(MemoryBuffer *output,
const rcti &output_rect,
blender::Span<MemoryBuffer *> inputs,
ExecutionSystem &exec_system,
int current_pass) = 0;
/**
* Called after an update memory buffer pass is executed. Single-threaded calls.
*/
virtual void update_memory_buffer_finished(MemoryBuffer *UNUSED(output),
const rcti &UNUSED(output_rect),
blender::Span<MemoryBuffer *> UNUSED(inputs),
ExecutionSystem &UNUSED(exec_system),
int UNUSED(current_pass))
{
}
private:
void update_memory_buffer(MemoryBuffer *output,
const rcti &output_area,
blender::Span<MemoryBuffer *> inputs,
ExecutionSystem &exec_system) override;
};
} // namespace blender::compositor
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