COM_MultiThreadedOperation.h

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/* 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:
  int num_passes_;
  int current_pass_;
 
 protected:
  MultiThreadedOperation();
 
  virtual void update_memory_buffer_started(MemoryBuffer * /*output*/,
                                            const rcti & /*area*/,
                                            Span<MemoryBuffer *> /*inputs*/)
  {
  }
 
  virtual void update_memory_buffer_partial(MemoryBuffer *output,
                                            const rcti &area,
                                            Span<MemoryBuffer *> inputs) = 0;
 
  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