star-3d

Surface structuring for efficient 3D geometric queries
git clone git://git.meso-star.com/star-3d.git
Log | Files | Refs | README | LICENSE

s3d_sphere.c (2124B)

      1 /* Copyright (C) 2015-2023, 2026 |Méso|Star> (contact@meso-star.com)
      2  *
      3  * This file is part of Star-3D.
      4  *
      5  * Star-3D is free software: you can redistribute it and/or modify
      6  * it under the terms of the GNU General Public License as published by
      7  * the Free Software Foundation, either version 3 of the License, or
      8  * (at your option) any later version.
      9  *
     10  * Star-3D is distributed in the hope that it will be useful,
     11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
     13  * GNU General Public License for more details.
     14  *
     15  * You should have received a copy of the GNU General Public License
     16  * along with Star-3D. If not, see <http://www.gnu.org/licenses/>. */
     17 
     18 #include "s3d_device_c.h"
     19 #include "s3d_sphere.h"
     20 
     21 /*******************************************************************************
     22  * Helper functions
     23  ******************************************************************************/
     24 static void
     25 sphere_release(ref_T* ref)
     26 {
     27   struct sphere* sphre;
     28   struct s3d_device* dev;
     29   ASSERT(ref);
     30 
     31   sphre = CONTAINER_OF(ref, struct sphere, ref);
     32   dev = sphre->dev;
     33   MEM_RM(dev->allocator, sphre);
     34   S3D(device_ref_put(dev));
     35 }
     36 
     37 /*******************************************************************************
     38  * Local functions
     39  ******************************************************************************/
     40 res_T
     41 sphere_create(struct s3d_device* dev, struct sphere** out_sphere)
     42 {
     43   struct sphere* sphere = NULL;
     44   res_T res = RES_OK;
     45   ASSERT(dev && out_sphere);
     46 
     47   sphere = (struct sphere*)MEM_CALLOC(dev->allocator, 1, sizeof(struct sphere));
     48   if(!sphere) {
     49     res = RES_MEM_ERR;
     50     goto error;
     51   }
     52   ref_init(&sphere->ref);
     53   S3D(device_ref_get(dev));
     54   sphere->dev = dev;
     55   sphere->radius = -1;
     56 
     57 exit:
     58   *out_sphere = sphere;
     59   return res;
     60 error:
     61   if(sphere) {
     62     sphere_ref_put(sphere);
     63     sphere = NULL;
     64   }
     65   goto exit;
     66 }
     67 
     68 void
     69 sphere_ref_get(struct sphere* sphere)
     70 {
     71   ASSERT(sphere);
     72   ref_get(&sphere->ref);
     73 }
     74 
     75 void
     76 sphere_ref_put(struct sphere* sphere)
     77 {
     78   ASSERT(sphere);
     79   ref_put(&sphere->ref, sphere_release);
     80 }
     81