/* SPDX-License-Identifier: GPL-2.0-or-later
 * Copyright 2018 Blender Foundation. All rights reserved. */

#pragma once

/** \file
 * \ingroup bke
 */

#include "BKE_subdiv.h"

/* NOTE: Was initially used to get proper enumerator types, but this makes
 * it tricky to compile without OpenSubdiv. */
/* #include "opensubdiv_converter_capi.h" */

struct Mesh;
struct OpenSubdiv_Converter;
struct SubdivSettings;

void BKE_subdiv_converter_init_for_mesh(struct OpenSubdiv_Converter *converter,
                                        const struct SubdivSettings *settings,
                                        const struct Mesh *mesh);

/* NOTE: Frees converter data, but not converter itself. This means, that if
 * converter was allocated on heap, it is up to the user to free that memory. */
void BKE_subdiv_converter_free(struct OpenSubdiv_Converter *converter);

/* ============================ INTERNAL HELPERS ============================ */

/* TODO(sergey): Find a way to make it OpenSubdiv_VtxBoundaryInterpolation,
 * without breaking compilation without OpenSubdiv. */
int BKE_subdiv_converter_vtx_boundary_interpolation_from_settings(const SubdivSettings *settings);

/* TODO(sergey): Find a way to make it OpenSubdiv_FVarLinearInterpolation,
 * without breaking compilation without OpenSubdiv. */
int BKE_subdiv_converter_fvar_linear_from_settings(const SubdivSettings *settings);