1// Fails with "D3D compile failed with value cannot be NaN, isnan() may not be necessary. /Gis may force isnan() to be performed" 2fn Bad(index: u32, rd: vec3<f32>) -> vec3<f32> { 3 var normal: vec3<f32> = vec3<f32>(0.0); 4 normal[index] = -sign(rd[index]); 5 return normalize(normal); 6} 7 8[[block]] struct S { v : vec3<f32>; i : u32; }; 9[[binding(0), group(0)]] var<storage, read_write> io : S; 10[[stage(compute), workgroup_size(1)]] 11fn main([[builtin(local_invocation_index)]] idx : u32) { 12 io.v = Bad(io.i, io.v); 13} 14