src/gallium/tests/unit/u_prim_verts_test.c

   1 #include <stdlib.h>
   2 #include <stdio.h>
   3
   4 #include "util/u_prim.h"
   5
   6 struct test_info {
   7    enum pipe_prim_type prim_type;
   8    uint32_t count;
   9    uint32_t expected;
  10 };
  11
  12 struct test_info tests[] = {
  13    { PIPE_PRIM_POINTS, 0, 0 },
  14    { PIPE_PRIM_POINTS, 1, 1 },
  15    { PIPE_PRIM_POINTS, 2, 2 },
  16
  17    { PIPE_PRIM_LINES, 0, 0 },
  18    { PIPE_PRIM_LINES, 1, 2 },
  19    { PIPE_PRIM_LINES, 2, 4 },
  20
  21    { PIPE_PRIM_TRIANGLES, 0, 0 },
  22    { PIPE_PRIM_TRIANGLES, 1, 3 },
  23    { PIPE_PRIM_TRIANGLES, 2, 6 },
  24
  25    { PIPE_PRIM_QUADS, 0, 0 },
  26    { PIPE_PRIM_QUADS, 1, 4 },
  27    { PIPE_PRIM_QUADS, 2, 8 },
  28 };
  29
  30 int
  31 main(int argc, char **argv)
  32 {
  33    for(int i = 0; i < ARRAY_SIZE(tests); i++) {
  34       struct test_info *info = &tests[i];
  35       uint32_t n = u_vertices_for_prims(info->prim_type, info->count);
  36       if (n != info->expected) {
  37          printf("Failure! Expected %u vertices for %u x %s, but got %u.\n",
  38                 info->expected, info->count, u_prim_name(info->prim_type), n);
  39          return 1;
  40       }
  41    }
  42
  43    printf("Success!\n");
  44    return 0;
  45 }