// // fragment_main // RWByteAddressBuffer prevent_dce : register(u0); uint subgroupBroadcastFirst_61f177() { uint res = WaveReadLaneFirst(1u); return res; } void fragment_main() { prevent_dce.Store(0u, subgroupBroadcastFirst_61f177()); } // // compute_main // RWByteAddressBuffer prevent_dce : register(u0); uint subgroupBroadcastFirst_61f177() { uint res = WaveReadLaneFirst(1u); return res; } [numthreads(1, 1, 1)] void compute_main() { prevent_dce.Store(0u, subgroupBroadcastFirst_61f177()); }