blob: 2e2e548febde270cdf955eb05e57d226a8d1de04 [file] [log] [blame]
#include <metal_stdlib>
using namespace metal;
int2 tint_first_leading_bit(int2 v) {
uint2 x = select(uint2(v), uint2(~(v)), (v < int2(0)));
uint2 const b16 = select(uint2(0u), uint2(16u), bool2((x & uint2(4294901760u))));
x = (x >> b16);
uint2 const b8 = select(uint2(0u), uint2(8u), bool2((x & uint2(65280u))));
x = (x >> b8);
uint2 const b4 = select(uint2(0u), uint2(4u), bool2((x & uint2(240u))));
x = (x >> b4);
uint2 const b2 = select(uint2(0u), uint2(2u), bool2((x & uint2(12u))));
x = (x >> b2);
uint2 const b1 = select(uint2(0u), uint2(1u), bool2((x & uint2(2u))));
uint2 const is_zero = select(uint2(0u), uint2(4294967295u), (x == uint2(0u)));
return int2((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstLeadingBit_a622c2(device int2* const tint_symbol_1) {
int2 arg_0 = int2(1);
int2 res = tint_first_leading_bit(arg_0);
*(tint_symbol_1) = res;
}
struct tint_symbol {
float4 value [[position]];
};
float4 vertex_main_inner(device int2* const tint_symbol_2) {
firstLeadingBit_a622c2(tint_symbol_2);
return float4(0.0f);
}
vertex tint_symbol vertex_main(device int2* tint_symbol_3 [[buffer(0)]]) {
float4 const inner_result = vertex_main_inner(tint_symbol_3);
tint_symbol wrapper_result = {};
wrapper_result.value = inner_result;
return wrapper_result;
}
fragment void fragment_main(device int2* tint_symbol_4 [[buffer(0)]]) {
firstLeadingBit_a622c2(tint_symbol_4);
return;
}
kernel void compute_main(device int2* tint_symbol_5 [[buffer(0)]]) {
firstLeadingBit_a622c2(tint_symbol_5);
return;
}