1#version 450
2
3#extension GL_KHR_shader_subgroup_vote: enable
4#extension GL_EXT_shader_subgroup_extended_types_int8: enable
5#extension GL_EXT_shader_subgroup_extended_types_int16: enable
6#extension GL_EXT_shader_subgroup_extended_types_int64: enable
7#extension GL_EXT_shader_subgroup_extended_types_float16: enable
8
9layout (local_size_x = 8) in;
10
11layout(binding = 0) buffer Buffers
12{
13    i8vec4 i8;
14    u8vec4 u8;
15    i16vec4 i16;
16    u16vec4 u16;
17    i64vec4 i64;
18    u64vec4 u64;
19    f16vec4 f16;
20    int r;
21} data[4];
22
23void main()
24{
25    uint invocation = (gl_SubgroupInvocationID + gl_SubgroupSize) % 4;
26
27    if (subgroupAll(data[invocation].r < 0))
28    {
29        data[invocation].r = int(subgroupAllEqual(data[0].i8.x));
30        data[invocation].r = int(subgroupAllEqual(data[1].i8.xy));
31        data[invocation].r = int(subgroupAllEqual(data[2].i8.xyz));
32        data[invocation].r = int(subgroupAllEqual(data[3].i8));
33
34        data[invocation].r = int(subgroupAllEqual(data[0].u8.x));
35        data[invocation].r = int(subgroupAllEqual(data[1].u8.xy));
36        data[invocation].r = int(subgroupAllEqual(data[2].u8.xyz));
37        data[invocation].r = int(subgroupAllEqual(data[3].u8));
38
39        data[invocation].r = int(subgroupAllEqual(data[0].i16.x));
40        data[invocation].r = int(subgroupAllEqual(data[1].i16.xy));
41        data[invocation].r = int(subgroupAllEqual(data[2].i16.xyz));
42        data[invocation].r = int(subgroupAllEqual(data[3].i16));
43
44        data[invocation].r = int(subgroupAllEqual(data[0].u16.x));
45        data[invocation].r = int(subgroupAllEqual(data[1].u16.xy));
46        data[invocation].r = int(subgroupAllEqual(data[2].u16.xyz));
47        data[invocation].r = int(subgroupAllEqual(data[3].u16));
48    }
49    else if (subgroupAny(data[invocation].r < 0))
50    {
51        data[invocation].r = int(subgroupAllEqual(data[0].i64.x));
52        data[invocation].r = int(subgroupAllEqual(data[1].i64.xy));
53        data[invocation].r = int(subgroupAllEqual(data[2].i64.xyz));
54        data[invocation].r = int(subgroupAllEqual(data[3].i64));
55
56        data[invocation].r = int(subgroupAllEqual(data[0].u64.x));
57        data[invocation].r = int(subgroupAllEqual(data[1].u64.xy));
58        data[invocation].r = int(subgroupAllEqual(data[2].u64.xyz));
59        data[invocation].r = int(subgroupAllEqual(data[3].u64));
60
61        data[invocation].r = int(subgroupAllEqual(data[0].f16.x));
62        data[invocation].r = int(subgroupAllEqual(data[1].f16.xy));
63        data[invocation].r = int(subgroupAllEqual(data[2].f16.xyz));
64        data[invocation].r = int(subgroupAllEqual(data[3].f16));
65    }
66}
67