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#version 450
#extension GL_KHR_shader_subgroup_basic: enable
layout (local_size_x = 8, local_size_y = 8, local_size_z = 1) in;
layout(binding = 0) buffer Buffer
{
int a[];
} data;
void main()
{
data.a[gl_SubgroupSize] = 1;
data.a[gl_SubgroupInvocationID] = 1;
data.a[gl_NumSubgroups] = 1;
data.a[gl_SubgroupID] = (subgroupElect()) ? 1 : 0;
subgroupBarrier();
subgroupMemoryBarrier();
subgroupMemoryBarrierBuffer();
subgroupMemoryBarrierShared();
subgroupMemoryBarrierImage();
}
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