| #include <metal_stdlib> |
| |
| using namespace metal; |
| uint2 tint_first_trailing_bit(uint2 v) { |
| uint2 x = uint2(v); |
| uint2 const b16 = select(uint2(16u), uint2(0u), bool2((x & uint2(65535u)))); |
| x = (x >> b16); |
| uint2 const b8 = select(uint2(8u), uint2(0u), bool2((x & uint2(255u)))); |
| x = (x >> b8); |
| uint2 const b4 = select(uint2(4u), uint2(0u), bool2((x & uint2(15u)))); |
| x = (x >> b4); |
| uint2 const b2 = select(uint2(2u), uint2(0u), bool2((x & uint2(3u)))); |
| x = (x >> b2); |
| uint2 const b1 = select(uint2(1u), uint2(0u), bool2((x & uint2(1u)))); |
| uint2 const is_zero = select(uint2(0u), uint2(4294967295u), (x == uint2(0u))); |
| return uint2((((((b16 | b8) | b4) | b2) | b1) | is_zero)); |
| } |
| |
| void firstTrailingBit_45eb10() { |
| uint2 res = tint_first_trailing_bit(uint2()); |
| } |
| |
| struct tint_symbol { |
| float4 value [[position]]; |
| }; |
| |
| float4 vertex_main_inner() { |
| firstTrailingBit_45eb10(); |
| return float4(); |
| } |
| |
| vertex tint_symbol vertex_main() { |
| float4 const inner_result = vertex_main_inner(); |
| tint_symbol wrapper_result = {}; |
| wrapper_result.value = inner_result; |
| return wrapper_result; |
| } |
| |
| fragment void fragment_main() { |
| firstTrailingBit_45eb10(); |
| return; |
| } |
| |
| kernel void compute_main() { |
| firstTrailingBit_45eb10(); |
| return; |
| } |
| |