1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
#include "../src/meshoptimizer.h"
#include <float.h>
#include <stdint.h>
#include <stdlib.h>
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* buffer, size_t size)
{
if (size == 0)
return 0;
srand(buffer[0]);
float vb[100][4];
for (int i = 0; i < 100; ++i)
{
vb[i][0] = rand() % 10;
vb[i][1] = rand() % 10;
vb[i][2] = rand() % 10;
vb[i][3] = rand() % 10;
}
unsigned int ib[999];
int indices = (size - 1) < 999 ? (size - 1) / 3 * 3 : 999;
for (int i = 0; i < indices; ++i)
ib[i] = buffer[1 + i] % 100;
meshopt_Meshlet ml[333];
unsigned int mv[333 * 3];
unsigned char mt[333 * 4];
meshopt_buildMeshlets(ml, mv, mt, ib, indices, vb[0], 100, sizeof(float) * 4, /* max_vertices= */ 4, /* max_triangles= */ 4, 0.f);
meshopt_buildMeshletsScan(ml, mv, mt, ib, indices, 100, /* max_vertices= */ 4, /* max_triangles= */ 4);
meshopt_buildMeshletsScan(ml, mv, mt, ib, indices, 100, /* max_vertices= */ 4, /* max_triangles= */ 8);
meshopt_buildMeshletsFlex(ml, mv, mt, ib, indices, vb[0], 100, sizeof(float) * 4, /* max_vertices= */ 4, /* min_triangles= */ 4, /* max_triangles= */ 8, 0.f, 2.f);
meshopt_buildMeshletsFlex(ml, mv, mt, ib, indices, vb[0], 100, sizeof(float) * 4, /* max_vertices= */ 8, /* min_triangles= */ 8, /* max_triangles= */ 16, 0.f, 2.f);
meshopt_buildMeshletsFlex(ml, mv, mt, ib, indices, vb[0], 100, sizeof(float) * 4, /* max_vertices= */ 16, /* min_triangles= */ 8, /* max_triangles= */ 32, 0.f, 2.f);
meshopt_buildMeshletsFlex(ml, mv, mt, ib, indices, vb[0], 100, sizeof(float) * 4, /* max_vertices= */ 16, /* min_triangles= */ 16, /* max_triangles= */ 32, 0.f, 2.f);
meshopt_buildMeshletsSpatial(ml, mv, mt, ib, indices, vb[0], 100, sizeof(float) * 4, /* max_vertices= */ 4, /* min_triangles= */ 4, /* max_triangles= */ 8, 0.f);
meshopt_buildMeshletsSpatial(ml, mv, mt, ib, indices, vb[0], 100, sizeof(float) * 4, /* max_vertices= */ 8, /* min_triangles= */ 4, /* max_triangles= */ 32, 0.f);
meshopt_buildMeshletsSpatial(ml, mv, mt, ib, indices, vb[0], 100, sizeof(float) * 4, /* max_vertices= */ 8, /* min_triangles= */ 8, /* max_triangles= */ 32, 0.f);
meshopt_buildMeshletsSpatial(ml, mv, mt, ib, indices, vb[0], 100, sizeof(float) * 4, /* max_vertices= */ 8, /* min_triangles= */ 12, /* max_triangles= */ 32, 0.f);
meshopt_buildMeshletsSpatial(ml, mv, mt, ib, indices, vb[0], 100, sizeof(float) * 4, /* max_vertices= */ 16, /* min_triangles= */ 16, /* max_triangles= */ 32, 0.f);
meshopt_buildMeshletsSpatial(ml, mv, mt, ib, indices, vb[0], 100, sizeof(float) * 4, /* max_vertices= */ 16, /* min_triangles= */ 32, /* max_triangles= */ 32, 0.f);
return 0;
}
|
