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eb29f81883
mv test/tint/builtins/gen -> test/tint/builtins/gen/literal We're going to add another set of these for builtins that use 'var' for each argument. Change-Id: I1b4ad1495ddccd48232603db2205bf50af9e36b6 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/92320 Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Ben Clayton <bclayton@google.com> Reviewed-by: Antonio Maiorano <amaiorano@google.com> Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
46 lines
1.0 KiB
HLSL
46 lines
1.0 KiB
HLSL
int tint_first_leading_bit(int v) {
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uint x = ((v < 0) ? uint(~(v)) : uint(v));
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const uint b16 = (bool((x & 4294901760u)) ? 16u : 0u);
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x = (x >> b16);
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const uint b8 = (bool((x & 65280u)) ? 8u : 0u);
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x = (x >> b8);
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const uint b4 = (bool((x & 240u)) ? 4u : 0u);
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x = (x >> b4);
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const uint b2 = (bool((x & 12u)) ? 2u : 0u);
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x = (x >> b2);
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const uint b1 = (bool((x & 2u)) ? 1u : 0u);
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const uint is_zero = ((x == 0u) ? 4294967295u : 0u);
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return int((((((b16 | b8) | b4) | b2) | b1) | is_zero));
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}
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void firstLeadingBit_57a1a3() {
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int res = tint_first_leading_bit(1);
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}
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struct tint_symbol {
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float4 value : SV_Position;
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};
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float4 vertex_main_inner() {
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firstLeadingBit_57a1a3();
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return (0.0f).xxxx;
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}
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tint_symbol vertex_main() {
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const float4 inner_result = vertex_main_inner();
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tint_symbol wrapper_result = (tint_symbol)0;
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wrapper_result.value = inner_result;
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return wrapper_result;
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}
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void fragment_main() {
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firstLeadingBit_57a1a3();
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return;
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}
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[numthreads(1, 1, 1)]
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void compute_main() {
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firstLeadingBit_57a1a3();
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return;
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}
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