/* SPDX-License-Identifier: Apache-2.0
 * Copyright 2011-2022 Blender Foundation */

#ifndef __TABLES_H__
#define __TABLES_H__

#include "util/list.h"
#include "util/vector.h"

CCL_NAMESPACE_BEGIN

class Device;
class DeviceScene;
class Scene;

enum { TABLE_CHUNK_SIZE = 256 };
enum { TABLE_OFFSET_INVALID = -1 };

class LookupTables {
  bool need_update_;

 public:
  struct Table {
    size_t offset;
    size_t size;
  };

  list<Table> lookup_tables;

  LookupTables();
  ~LookupTables();

  void device_update(Device *device, DeviceScene *dscene, Scene *scene);
  void device_free(Device *device, DeviceScene *dscene);

  bool need_update() const;

  size_t add_table(DeviceScene *dscene, vector<float> &data);
  void remove_table(size_t *offset);
};

CCL_NAMESPACE_END

#endif /* __TABLES_H__ */