star-uvm

commit 1fd7e0a80b08065608d2884c6d72a180bb1ed137
parent d029ee046cb8dc7cd73395162f003f6633eeba2b
Author: Vincent Forest <vincent.forest@meso-star.com>
Date:   Thu,  4 Mar 2021 15:48:43 +0100

Add -n option to the suvm_voxelize program

Enable normals precomputation

Diffstat:
M
src/suvm_voxelize_sth.c
 | 
10
+++++++++-
M
src/test_suvm_volume.c
 | 
1
+

2 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/src/suvm_voxelize_sth.c b/src/suvm_voxelize_sth.c
@@ -28,6 +28,7 @@ struct args {
   const char* input_filename;
   const char* output_filename;
   unsigned def[3];
+  int precompute_normals;
   int quit;
   int verbose;
 };
@@ -36,6 +37,7 @@ static const struct args ARGS_DEFAULT = {
   NULL, /* Input file */
   NULL, /* Output file */
   {64, 64, 64}, /* Definition */
+  0, /* Precompute normals */
   0, /* Quit */
   0 /* Verbose */
 };
@@ -62,6 +64,8 @@ print_help(const char* cmd)
   printf(
 "  -h             display this help and exit.\n");
   printf(
+"  -n             precompute the tetrahedra normals.\n");
+  printf(
 "  -o <output>    filename of the output VTK file. If not defined, write\n"
 "                 results to standard ouput\n");
   printf(
@@ -91,7 +95,7 @@ args_init(struct args* args, const int argc, char** argv)
 
   *args = ARGS_DEFAULT;
 
-  while((opt = getopt(argc, argv, "d:ho:v")) != -1) {
+  while((opt = getopt(argc, argv, "d:hno:v")) != -1) {
     switch(opt) {
       case 'd':
         res = cstr_to_list_uint(optarg, ':', args->def, &n, 3);
@@ -103,6 +107,9 @@ args_init(struct args* args, const int argc, char** argv)
         args_release(args);
         args->quit = 1;
         break;
+      case 'n':
+        args->precompute_normals = 1;
+        break;
       case 'o':
         args->output_filename = optarg;
         break;
@@ -356,6 +363,7 @@ main(int argc, char** argv)
   msh_args.get_indices = get_indices;
   msh_args.get_position = get_position;
   msh_args.context = &desc;
+  msh_args.precompute_normals = args.precompute_normals;
 
   /* Setup the volume from the loaded data */
   if(args.verbose) {
diff --git a/src/test_suvm_volume.c b/src/test_suvm_volume.c
@@ -787,6 +787,7 @@ test_volume_at_ball(struct suvm_device* dev)
 
   darray_prim_init(NULL, &prims);
 
+  args.precompute_normals = 1;
   args.ntetrahedra = ball_ntetrahedra;
   args.nvertices = ball_nvertices;
   args.get_indices = get_indices;