blob: 00dbc3f6251afac08c64235473473b1128560d1a [file] [log] [blame]
#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(device uint2* const tint_symbol_1) {
uint2 arg_0 = uint2(1u);
uint2 res = tint_first_trailing_bit(arg_0);
*(tint_symbol_1) = res;
}
struct tint_symbol {
float4 value [[position]];
};
float4 vertex_main_inner(device uint2* const tint_symbol_2) {
firstTrailingBit_45eb10(tint_symbol_2);
return float4(0.0f);
}
vertex tint_symbol vertex_main(device uint2* 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 uint2* tint_symbol_4 [[buffer(0)]]) {
firstTrailingBit_45eb10(tint_symbol_4);
return;
}
kernel void compute_main(device uint2* tint_symbol_5 [[buffer(0)]]) {
firstTrailingBit_45eb10(tint_symbol_5);
return;
}