#version 450

#extension GL_AMD_gcn_shader : require
#extension GL_ARB_gpu_shader_int64 : require

layout(local_size_x = 64) in;

layout(binding = 0) buffer Ballots {
    uint64_t ballots[];
};

void main()
{
    ballots[gl_LocalInvocationIndex] = ballotAMD(gl_LocalInvocationIndex % 2u == 0u);
}