blob: 1f3c4e8fd49a4a81087df5d567ebfe8f39aa23ad [file] [log] [blame] [edit]
#include <metal_stdlib>
using namespace metal;
int4 tint_first_trailing_bit(int4 v) {
uint4 x = uint4(v);
uint4 const b16 = select(uint4(16u), uint4(0u), bool4((x & uint4(65535u))));
x = (x >> b16);
uint4 const b8 = select(uint4(8u), uint4(0u), bool4((x & uint4(255u))));
x = (x >> b8);
uint4 const b4 = select(uint4(4u), uint4(0u), bool4((x & uint4(15u))));
x = (x >> b4);
uint4 const b2 = select(uint4(2u), uint4(0u), bool4((x & uint4(3u))));
x = (x >> b2);
uint4 const b1 = select(uint4(1u), uint4(0u), bool4((x & uint4(1u))));
uint4 const is_zero = select(uint4(0u), uint4(4294967295u), (x == uint4(0u)));
return int4((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_86551b() {
int4 res = tint_first_trailing_bit(int4());
}
struct tint_symbol {
float4 value [[position]];
};
float4 vertex_main_inner() {
firstTrailingBit_86551b();
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_86551b();
return;
}
kernel void compute_main() {
firstTrailingBit_86551b();
return;
}