COM_FastGaussianBlurOperation.h

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/* SPDX-FileCopyrightText: 2011 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include "COM_BlurBaseOperation.h"
#include "DNA_node_types.h"
 
namespace blender::compositor {
 
class FastGaussianBlurOperation : public BlurBaseOperation {
 private:
  float sigma_x_;
  float sigma_y_;
  MemoryBuffer *iirgaus_;
 
 public:
  FastGaussianBlurOperation();
 
  static void IIR_gauss(MemoryBuffer *src, float sigma, unsigned int channel, unsigned int xy);
  void init_data() override;
  void deinit_execution() override;
  void init_execution() override;
 
  void set_size(int size_x, int size_y);
 
  void get_area_of_interest(int input_idx, const rcti &output_area, rcti &r_input_area) override;
  void update_memory_buffer_started(MemoryBuffer *output,
                                    const rcti &area,
                                    Span<MemoryBuffer *> inputs) override;
  void update_memory_buffer_partial(MemoryBuffer * /*output*/,
                                    const rcti & /*area*/,
                                    Span<MemoryBuffer *> /*inputs*/) override
  {
  }
};
 
}  // namespace blender::compositor