DNA_attribute_types.h

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/* SPDX-FileCopyrightText: 2025 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include <stdint.h>
 
#include "BLI_implicit_sharing.h"
 
#ifdef __cplusplus
 
namespace blender::bke {
class AttributeStorage;
class AttributeStorageRuntime;
}  // namespace blender::bke
 
using AttributeStorageRuntimeHandle = blender::bke::AttributeStorageRuntime;
#else
typedef struct AttributeStorageRuntimeHandle AttributeStorageRuntimeHandle;
#endif

struct AttributeArray {
  void *data;
  const ImplicitSharingInfoHandle *sharing_info;
  /* The number of elements in the array. */
  int64_t size;
};

struct AttributeSingle {
  void *data;
  const ImplicitSharingInfoHandle *sharing_info;
};

struct Attribute {
  const char *name;
  /* bke::AttrType. */
  int16_t data_type;
  /* bke::AttrDomain. */
  int8_t domain;
  /* bke::AttrStorageType */
  int8_t storage_type;
  char _pad[4];

  void *data;
};

struct AttributeStorage {
  /* Array only used in files, otherwise #AttributeStorageRuntime::attributes is used. */
  struct Attribute *dna_attributes;
  int dna_attributes_num;
 
  char _pad[4];
 
  AttributeStorageRuntimeHandle *runtime;
 
#ifdef __cplusplus
  blender::bke::AttributeStorage &wrap();
  const blender::bke::AttributeStorage &wrap() const;
#endif
};