50 lines
1.3 KiB
HLSL
50 lines
1.3 KiB
HLSL
uint4 tint_first_leading_bit(uint4 v) {
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uint4 x = 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 uint4((((((b16 | b8) | b4) | b2) | b1) | is_zero));
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}
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RWByteAddressBuffer prevent_dce : register(u0, space2);
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void firstLeadingBit_000ff3() {
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uint4 arg_0 = (1u).xxxx;
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uint4 res = tint_first_leading_bit(arg_0);
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prevent_dce.Store4(0u, asuint(res));
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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_000ff3();
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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_000ff3();
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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_000ff3();
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return;
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}
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