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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2018 by Blender Foundation.
* All rights reserved.
*/
/** \file
* \ingroup bke
*/
#include "BKE_subdiv_ccg.h"
#include "MEM_guardedalloc.h"
#include "DNA_mesh_types.h"
typedef struct CCGMaterialFromMeshData {
const Mesh *mesh;
} CCGMaterialFromMeshData;
static DMFlagMat subdiv_ccg_material_flags_eval(
SubdivCCGMaterialFlagsEvaluator *material_flags_evaluator, const int coarse_face_index)
{
CCGMaterialFromMeshData *data = (CCGMaterialFromMeshData *)material_flags_evaluator->user_data;
const Mesh *mesh = data->mesh;
BLI_assert(coarse_face_index < mesh->totpoly);
const MPoly *mpoly = mesh->mpoly;
const MPoly *poly = &mpoly[coarse_face_index];
DMFlagMat material_flags;
material_flags.flag = poly->flag;
material_flags.mat_nr = poly->mat_nr;
return material_flags;
}
static void subdiv_ccg_material_flags_free(
SubdivCCGMaterialFlagsEvaluator *material_flags_evaluator)
{
MEM_freeN(material_flags_evaluator->user_data);
}
void BKE_subdiv_ccg_material_flags_init_from_mesh(
SubdivCCGMaterialFlagsEvaluator *material_flags_evaluator, const Mesh *mesh)
{
CCGMaterialFromMeshData *data = MEM_mallocN(sizeof(CCGMaterialFromMeshData),
"ccg material eval");
data->mesh = mesh;
material_flags_evaluator->eval_material_flags = subdiv_ccg_material_flags_eval;
material_flags_evaluator->free = subdiv_ccg_material_flags_free;
material_flags_evaluator->user_data = data;
}
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