tornavis/source/blender/compositor/intern/COM_MultiThreadedOperation.h

57 lines
1.5 KiB
C++

/* SPDX-FileCopyrightText: 2021 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
#pragma once
#include "COM_NodeOperation.h"
namespace blender::compositor {
class MultiThreadedOperation : public NodeOperation {
protected:
/**
* Number of execution passes.
*/
int num_passes_;
/**
* Current execution pass.
*/
int current_pass_;
protected:
MultiThreadedOperation();
/**
* Called before an update memory buffer pass is executed. Single-threaded calls.
*/
virtual void update_memory_buffer_started(MemoryBuffer * /*output*/,
const rcti & /*area*/,
Span<MemoryBuffer *> /*inputs*/)
{
}
/**
* Executes operation updating a memory buffer area. Multi-threaded calls.
*/
virtual void update_memory_buffer_partial(MemoryBuffer *output,
const rcti &area,
Span<MemoryBuffer *> inputs) = 0;
/**
* Called after an update memory buffer pass is executed. Single-threaded calls.
*/
virtual void update_memory_buffer_finished(MemoryBuffer * /*output*/,
const rcti & /*area*/,
Span<MemoryBuffer *> /*inputs*/)
{
}
private:
void update_memory_buffer(MemoryBuffer *output,
const rcti &area,
Span<MemoryBuffer *> inputs) override;
};
} // namespace blender::compositor