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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2020 Blender Foundation. All rights reserved. */
/** \file
* \ingroup bke
*/
#pragma once
#include "BLI_sys_types.h"
#include "DNA_layer_types.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Forward declarations. */
struct CryptomatteSession;
struct Material;
struct Object;
struct RenderResult;
struct Scene;
struct CryptomatteSession *BKE_cryptomatte_init(void);
struct CryptomatteSession *BKE_cryptomatte_init_from_render_result(
const struct RenderResult *render_result);
struct CryptomatteSession *BKE_cryptomatte_init_from_scene(const struct Scene *scene);
void BKE_cryptomatte_free(struct CryptomatteSession *session);
void BKE_cryptomatte_add_layer(struct CryptomatteSession *session, const char *layer_name);
uint32_t BKE_cryptomatte_hash(const char *name, int name_len);
uint32_t BKE_cryptomatte_object_hash(struct CryptomatteSession *session,
const char *layer_name,
const struct Object *object);
uint32_t BKE_cryptomatte_material_hash(struct CryptomatteSession *session,
const char *layer_name,
const struct Material *material);
uint32_t BKE_cryptomatte_asset_hash(struct CryptomatteSession *session,
const char *layer_name,
const struct Object *object);
float BKE_cryptomatte_hash_to_float(uint32_t cryptomatte_hash);
/**
* Find an ID in the given main that matches the given encoded float.
*/
bool BKE_cryptomatte_find_name(const struct CryptomatteSession *session,
float encoded_hash,
char *r_name,
int name_len);
char *BKE_cryptomatte_entries_to_matte_id(struct NodeCryptomatte *node_storage);
void BKE_cryptomatte_matte_id_to_entries(struct NodeCryptomatte *node_storage,
const char *matte_id);
void BKE_cryptomatte_store_metadata(const struct CryptomatteSession *session,
struct RenderResult *render_result,
const ViewLayer *view_layer);
#ifdef __cplusplus
}
#endif
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