f8a499b596
C-API is way smaller than the rest of the code which uses it. So better to conditionally compile stub implementation than to keep adding ifdef everywhere.
99 lines
3.1 KiB
C
99 lines
3.1 KiB
C
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2018 by Blender Foundation.
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* All rights reserved.
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*
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* Contributor(s): Sergey Sharybin.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file blender/blenkernel/intern/subdiv.c
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* \ingroup bke
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*/
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#include "BKE_subdiv.h"
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#include "DNA_mesh_types.h"
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#include "BLI_utildefines.h"
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#include "MEM_guardedalloc.h"
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#include "subdiv_converter.h"
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#include "opensubdiv_capi.h"
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#include "opensubdiv_converter_capi.h"
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#include "opensubdiv_evaluator_capi.h"
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#include "opensubdiv_topology_refiner_capi.h"
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Subdiv *BKE_subdiv_new_from_converter(const SubdivSettings *settings,
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struct OpenSubdiv_Converter *converter)
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{
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SubdivStats stats;
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BKE_subdiv_stats_init(&stats);
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BKE_subdiv_stats_begin(&stats, SUBDIV_STATS_TOPOLOGY_REFINER_CREATION_TIME);
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OpenSubdiv_TopologyRefinerSettings topology_refiner_settings;
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topology_refiner_settings.level = settings->level;
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topology_refiner_settings.is_adaptive = settings->is_adaptive;
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struct OpenSubdiv_TopologyRefiner *osd_topology_refiner = NULL;
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if (converter->getNumVertices(converter) != 0) {
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osd_topology_refiner =
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openSubdiv_createTopologyRefinerFromConverter(
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converter, &topology_refiner_settings);
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}
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else {
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/* TODO(sergey): Check whether original geometry had any vertices.
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* The thing here is: OpenSubdiv can only deal with faces, but our
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* side of subdiv also deals with loose vertices and edges.
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*/
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}
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Subdiv *subdiv = MEM_callocN(sizeof(Subdiv), "subdiv from converetr");
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subdiv->settings = *settings;
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subdiv->topology_refiner = osd_topology_refiner;
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subdiv->evaluator = NULL;
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BKE_subdiv_stats_end(&stats, SUBDIV_STATS_TOPOLOGY_REFINER_CREATION_TIME);
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subdiv->stats = stats;
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return subdiv;
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}
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Subdiv *BKE_subdiv_new_from_mesh(const SubdivSettings *settings,
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struct Mesh *mesh)
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{
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if (mesh->totvert == 0) {
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return NULL;
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}
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OpenSubdiv_Converter converter;
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BKE_subdiv_converter_init_for_mesh(&converter, settings, mesh);
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Subdiv *subdiv = BKE_subdiv_new_from_converter(settings, &converter);
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BKE_subdiv_converter_free(&converter);
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return subdiv;
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}
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void BKE_subdiv_free(Subdiv *subdiv)
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{
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if (subdiv->evaluator != NULL) {
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openSubdiv_deleteEvaluator(subdiv->evaluator);
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}
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if (subdiv->topology_refiner != NULL) {
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openSubdiv_deleteTopologyRefiner(subdiv->topology_refiner);
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}
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MEM_freeN(subdiv);
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}
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