50 lines
1.2 KiB
Plaintext
50 lines
1.2 KiB
Plaintext
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#include <metal_stdlib>
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using namespace metal;
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int4 tint_first_trailing_bit(int4 v) {
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uint4 x = uint4(v);
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uint4 const b16 = select(uint4(16u), uint4(0u), bool4((x & uint4(65535u))));
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x = (x >> b16);
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uint4 const b8 = select(uint4(8u), uint4(0u), bool4((x & uint4(255u))));
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x = (x >> b8);
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uint4 const b4 = select(uint4(4u), uint4(0u), bool4((x & uint4(15u))));
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x = (x >> b4);
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uint4 const b2 = select(uint4(2u), uint4(0u), bool4((x & uint4(3u))));
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x = (x >> b2);
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uint4 const b1 = select(uint4(1u), uint4(0u), bool4((x & uint4(1u))));
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uint4 const is_zero = select(uint4(0u), uint4(4294967295u), (x == uint4(0u)));
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return int4((((((b16 | b8) | b4) | b2) | b1) | is_zero));
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}
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void firstTrailingBit_86551b() {
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int4 arg_0 = int4(0);
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int4 res = tint_first_trailing_bit(arg_0);
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}
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struct tint_symbol {
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float4 value [[position]];
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};
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float4 vertex_main_inner() {
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firstTrailingBit_86551b();
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return float4(0.0f);
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}
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vertex tint_symbol vertex_main() {
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float4 const inner_result = vertex_main_inner();
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tint_symbol wrapper_result = {};
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wrapper_result.value = inner_result;
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return wrapper_result;
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}
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fragment void fragment_main() {
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firstTrailingBit_86551b();
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return;
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}
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kernel void compute_main() {
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firstTrailingBit_86551b();
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return;
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}
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