COM_RenderLayersProg.h

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/* SPDX-FileCopyrightText: 2011 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include "BLI_listbase.h"
#include "BLI_utildefines.h"
#include "COM_MultiThreadedOperation.h"
#include "DNA_scene_types.h"
#include "MEM_guardedalloc.h"
 
#include "RE_pipeline.h"
 
namespace blender::compositor {

class RenderLayersProg : public MultiThreadedOperation {
 protected:
  Scene *scene_;

  short layer_id_;

  const char *view_name_;
 
  const MemoryBuffer *layer_buffer_;

  float *input_buffer_;

  std::string pass_name_;
 
  int elementsize_;

  const RenderData *rd_;

  void determine_canvas(const rcti &preferred_area, rcti &r_area) override;

  inline float *get_input_buffer()
  {
    return input_buffer_;
  }
 
 public:
  RenderLayersProg(const char *pass_name, DataType type, int elementsize);
  void set_scene(Scene *scene)
  {
    scene_ = scene;
  }
  Scene *get_scene() const
  {
    return scene_;
  }
  void set_render_data(const RenderData *rd)
  {
    rd_ = rd;
  }
  void set_layer_id(short layer_id)
  {
    layer_id_ = layer_id;
  }
  short get_layer_id() const
  {
    return layer_id_;
  }
  void set_view_name(const char *view_name)
  {
    view_name_ = view_name;
  }
  const char *get_view_name()
  {
    return view_name_;
  }
  void init_execution() override;
  void deinit_execution() override;
 
  std::unique_ptr<MetaData> get_meta_data() override;
 
  virtual void update_memory_buffer_partial(MemoryBuffer *output,
                                            const rcti &area,
                                            Span<MemoryBuffer *> inputs) override;
};
 
class RenderLayersAOOperation : public RenderLayersProg {
 public:
  RenderLayersAOOperation(const char *pass_name, DataType type, int elementsize)
      : RenderLayersProg(pass_name, type, elementsize)
  {
  }
 
  void update_memory_buffer_partial(MemoryBuffer *output,
                                    const rcti &area,
                                    Span<MemoryBuffer *> inputs) override;
};
 
class RenderLayersAlphaProg : public RenderLayersProg {
 public:
  RenderLayersAlphaProg(const char *pass_name, DataType type, int elementsize)
      : RenderLayersProg(pass_name, type, elementsize)
  {
  }
 
  void update_memory_buffer_partial(MemoryBuffer *output,
                                    const rcti &area,
                                    Span<MemoryBuffer *> inputs) override;
};
 
class RenderLayersDepthProg : public RenderLayersProg {
 public:
  RenderLayersDepthProg(const char *pass_name, DataType type, int elementsize)
      : RenderLayersProg(pass_name, type, elementsize)
  {
  }
 
  void update_memory_buffer_partial(MemoryBuffer *output,
                                    const rcti &area,
                                    Span<MemoryBuffer *> inputs) override;
};
 
}  // namespace blender::compositor