blob: ec9b53998ea290a314fe4fd6465284def094df78 [file] [log] [blame]
#include <metal_stdlib>
using namespace metal;
int tint_first_leading_bit(int v) {
uint x = select(uint(v), uint(~(v)), (v < 0));
uint const b16 = select(0u, 16u, bool((x & 4294901760u)));
x = (x >> b16);
uint const b8 = select(0u, 8u, bool((x & 65280u)));
x = (x >> b8);
uint const b4 = select(0u, 4u, bool((x & 240u)));
x = (x >> b4);
uint const b2 = select(0u, 2u, bool((x & 12u)));
x = (x >> b2);
uint const b1 = select(0u, 1u, bool((x & 2u)));
uint const is_zero = select(0u, 4294967295u, (x == 0u));
return int((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstLeadingBit_57a1a3() {
int res = tint_first_leading_bit(1);
}
struct tint_symbol {
float4 value [[position]];
};
float4 vertex_main_inner() {
firstLeadingBit_57a1a3();
return float4(0.0f);
}
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() {
firstLeadingBit_57a1a3();
return;
}
kernel void compute_main() {
firstLeadingBit_57a1a3();
return;
}