46 lines
1.2 KiB
HLSL
46 lines
1.2 KiB
HLSL
int4 tint_first_leading_bit(int4 v) {
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uint4 x = ((v < (0).xxxx) ? uint4(~(v)) : uint4(v));
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const uint4 b16 = (bool4((x & (4294901760u).xxxx)) ? (16u).xxxx : (0u).xxxx);
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x = (x >> b16);
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const uint4 b8 = (bool4((x & (65280u).xxxx)) ? (8u).xxxx : (0u).xxxx);
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x = (x >> b8);
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const uint4 b4 = (bool4((x & (240u).xxxx)) ? (4u).xxxx : (0u).xxxx);
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x = (x >> b4);
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const uint4 b2 = (bool4((x & (12u).xxxx)) ? (2u).xxxx : (0u).xxxx);
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x = (x >> b2);
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const uint4 b1 = (bool4((x & (2u).xxxx)) ? (1u).xxxx : (0u).xxxx);
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const uint4 is_zero = ((x == (0u).xxxx) ? (4294967295u).xxxx : (0u).xxxx);
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return int4((((((b16 | b8) | b4) | b2) | b1) | is_zero));
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}
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void firstLeadingBit_c1f940() {
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int4 res = tint_first_leading_bit((0).xxxx);
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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_c1f940();
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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_c1f940();
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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_c1f940();
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return;
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}
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