#version 450

#extension GL_KHR_shader_subgroup_vote: enable
#extension GL_EXT_shader_explicit_arithmetic_types_int8: enable
#extension GL_EXT_shader_explicit_arithmetic_types_int16: enable
#extension GL_EXT_shader_explicit_arithmetic_types_int64: enable
#extension GL_EXT_shader_explicit_arithmetic_types_float16: enable

layout (local_size_x = 8) in;

layout(binding = 0) buffer Buffers
{
    i8vec4 i8;
    u8vec4 u8;
    i16vec4 i16;
    u16vec4 u16;
    i64vec4 i64;
    u64vec4 u64;
    f16vec4 f16;
    int r;
} data[4];

void main()
{
    uint invocation = (gl_SubgroupInvocationID + gl_SubgroupSize) % 4;

    if (subgroupAll(data[invocation].r < 0))
    {
        data[invocation].r = int(subgroupAllEqual(data[0].i8.x));
        data[invocation].r = int(subgroupAllEqual(data[1].i8.xy));
        data[invocation].r = int(subgroupAllEqual(data[2].i8.xyz));
        data[invocation].r = int(subgroupAllEqual(data[3].i8));

        data[invocation].r = int(subgroupAllEqual(data[0].u8.x));
        data[invocation].r = int(subgroupAllEqual(data[1].u8.xy));
        data[invocation].r = int(subgroupAllEqual(data[2].u8.xyz));
        data[invocation].r = int(subgroupAllEqual(data[3].u8));

        data[invocation].r = int(subgroupAllEqual(data[0].i16.x));
        data[invocation].r = int(subgroupAllEqual(data[1].i16.xy));
        data[invocation].r = int(subgroupAllEqual(data[2].i16.xyz));
        data[invocation].r = int(subgroupAllEqual(data[3].i16));

        data[invocation].r = int(subgroupAllEqual(data[0].u16.x));
        data[invocation].r = int(subgroupAllEqual(data[1].u16.xy));
        data[invocation].r = int(subgroupAllEqual(data[2].u16.xyz));
        data[invocation].r = int(subgroupAllEqual(data[3].u16));
    }
    else if (subgroupAny(data[invocation].r < 0))
    {
        data[invocation].r = int(subgroupAllEqual(data[0].i64.x));
        data[invocation].r = int(subgroupAllEqual(data[1].i64.xy));
        data[invocation].r = int(subgroupAllEqual(data[2].i64.xyz));
        data[invocation].r = int(subgroupAllEqual(data[3].i64));
        
        data[invocation].r = int(subgroupAllEqual(data[0].u64.x));
        data[invocation].r = int(subgroupAllEqual(data[1].u64.xy));
        data[invocation].r = int(subgroupAllEqual(data[2].u64.xyz));
        data[invocation].r = int(subgroupAllEqual(data[3].u64));
        
        data[invocation].r = int(subgroupAllEqual(data[0].f16.x));
        data[invocation].r = int(subgroupAllEqual(data[1].f16.xy));
        data[invocation].r = int(subgroupAllEqual(data[2].f16.xyz));
        data[invocation].r = int(subgroupAllEqual(data[3].f16));
    }
}
