groupshared float2x3 v; struct tint_symbol_1 { uint local_invocation_index : SV_GroupIndex; }; [numthreads(1, 1, 1)] void main(tint_symbol_1 tint_symbol) { const uint local_invocation_index = tint_symbol.local_invocation_index; if ((local_invocation_index == 0u)) { v = float2x3(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f); } GroupMemoryBarrierWithGroupSync(); v; return; }