37 lines
1.2 KiB
C
37 lines
1.2 KiB
C
/* SPDX-FileCopyrightText: 2023 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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/** \file
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* \ingroup bke
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "DNA_customdata_types.h"
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/**
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* \see #BKE_mesh_calc_loop_tangent, same logic but used arrays instead of #BMesh data.
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*
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* \note This function is not so normal, its using #BMesh.ldata as input,
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* but output's to #Mesh.loop_data.
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* This is done because #CD_TANGENT is cache data used only for drawing.
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*/
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void BKE_editmesh_loop_tangent_calc(BMEditMesh *em,
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bool calc_active_tangent,
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const char (*tangent_names)[MAX_CUSTOMDATA_LAYER_NAME],
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int tangent_names_len,
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const float (*face_normals)[3],
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const float (*loop_normals)[3],
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const float (*vert_orco)[3],
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CustomData *dm_loopdata_out,
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uint dm_loopdata_out_len,
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short *tangent_mask_curr_p);
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#ifdef __cplusplus
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}
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#endif
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