COM_MultilayerImageOperation.h

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/* SPDX-FileCopyrightText: 2011 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include <string>
 
#include "COM_ImageOperation.h"
 
namespace blender::compositor {
 
class MultilayerBaseOperation : public BaseImageOperation {
 protected:
  /* NOTE: The layer name is only used for meta-data. The image user's layer index defines which
   * layer will be actually accessed for the image buffer. */
  std::string layer_name_;
  std::string pass_name_;
 
  ImBuf *get_im_buf() override;
 
 public:
  MultilayerBaseOperation() = default;
 
  void set_layer_name(std::string layer_name)
  {
    layer_name_ = std::move(layer_name);
  }
  void set_pass_name(std::string pass_name)
  {
    pass_name_ = std::move(pass_name);
  }
 
  void update_memory_buffer_partial(MemoryBuffer *output,
                                    const rcti &area,
                                    Span<MemoryBuffer *> inputs) override;
};
 
class MultilayerColorOperation : public MultilayerBaseOperation {
 public:
  MultilayerColorOperation()
  {
    this->add_output_socket(DataType::Color);
  }
  std::unique_ptr<MetaData> get_meta_data() override;
};
 
class MultilayerValueOperation : public MultilayerBaseOperation {
 public:
  MultilayerValueOperation()
  {
    this->add_output_socket(DataType::Value);
  }
};
 
class MultilayerVectorOperation : public MultilayerBaseOperation {
 public:
  MultilayerVectorOperation()
  {
    this->add_output_socket(DataType::Vector);
  }
};
 
}  // namespace blender::compositor