COM_ConstantOperation.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 {
 
/* TODO(manzanilla): After removing tiled implementation, implement a default #determine_resolution
 * for all constant operations and make all initialization and de-initialization methods final. */
class ConstantOperation : public NodeOperation {
 protected:
  bool needs_canvas_to_get_constant_;
 
 public:
  ConstantOperation();
 
  virtual const float *get_constant_elem() = 0;
  bool can_get_constant_elem() const;
 
  void update_memory_buffer(MemoryBuffer *output,
                            const rcti &area,
                            Span<MemoryBuffer *> inputs) override;
};
 
}  // namespace blender::compositor