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Change-Id: I81b69d23e40675d7f525e6369afec9aa0659d043 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/92321 Reviewed-by: Dan Sinclair <dsinclair@chromium.org> Commit-Queue: Ben Clayton <bclayton@google.com> Reviewed-by: Antonio Maiorano <amaiorano@google.com> Kokoro: Kokoro <noreply+kokoro@google.com>
50 lines
1.1 KiB
Plaintext
50 lines
1.1 KiB
Plaintext
#include <metal_stdlib>
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using namespace metal;
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uint tint_first_trailing_bit(uint v) {
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uint x = uint(v);
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uint const b16 = select(16u, 0u, bool((x & 65535u)));
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x = (x >> b16);
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uint const b8 = select(8u, 0u, bool((x & 255u)));
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x = (x >> b8);
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uint const b4 = select(4u, 0u, bool((x & 15u)));
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x = (x >> b4);
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uint const b2 = select(2u, 0u, bool((x & 3u)));
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x = (x >> b2);
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uint const b1 = select(1u, 0u, bool((x & 1u)));
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uint const is_zero = select(0u, 4294967295u, (x == 0u));
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return uint((((((b16 | b8) | b4) | b2) | b1) | is_zero));
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}
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void firstTrailingBit_47d475() {
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uint arg_0 = 1u;
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uint 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_47d475();
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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_47d475();
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return;
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}
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kernel void compute_main() {
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firstTrailingBit_47d475();
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return;
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}
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