star-line

Structure for accelerating line importance sampling
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sln_polyline.h (1452B)


      1 /* Copyright (C) 2022, 2026 |Méso|Star> (contact@meso-star.com)
      2  * Copyright (C) 2026 Université de Lorraine
      3  * Copyright (C) 2022 Centre National de la Recherche Scientifique
      4  * Copyright (C) 2022 Université Paul Sabatier
      5  *
      6  * This program is free software: you can redistribute it and/or modify
      7  * it under the terms of the GNU General Public License as published by
      8  * the Free Software Foundation, either version 3 of the License, or
      9  * (at your option) any later version.
     10  *
     11  * This program is distributed in the hope that it will be useful,
     12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
     14  * GNU General Public License for more details.
     15  *
     16  * You should have received a copy of the GNU General Public License
     17  * along with this program. If not, see <http://www.gnu.org/licenses/>. */
     18 
     19 #ifndef SLN_POLYLINE_H
     20 #define SLN_POLYLINE_H
     21 
     22 #include <rsys/rsys.h>
     23 
     24 /* Forward declaration */
     25 struct sln_device;
     26 struct sln_vertex;
     27 
     28 /* In place simplification of a polyline. Given a curve composed of line
     29  * segments, compute a similar curve with fewer points. The range of this new
     30  * polyline is  returned in `vertices_range'. */
     31 extern LOCAL_SYM res_T
     32 polyline_decimate
     33   (struct sln_device* sln,
     34    struct sln_vertex* vertices,
     35    size_t vertices_range[2],
     36    const float err, /* Relative error */
     37    const enum sln_mesh_type mesh_type);
     38 
     39 #endif /* SLN_POLYLINE_H */