50 lines
1.3 KiB
HLSL
50 lines
1.3 KiB
HLSL
int4 tint_count_leading_zeros(int4 v) {
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uint4 x = uint4(v);
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const uint4 b16 = ((x <= (65535u).xxxx) ? (16u).xxxx : (0u).xxxx);
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x = (x << b16);
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const uint4 b8 = ((x <= (16777215u).xxxx) ? (8u).xxxx : (0u).xxxx);
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x = (x << b8);
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const uint4 b4 = ((x <= (268435455u).xxxx) ? (4u).xxxx : (0u).xxxx);
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x = (x << b4);
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const uint4 b2 = ((x <= (1073741823u).xxxx) ? (2u).xxxx : (0u).xxxx);
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x = (x << b2);
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const uint4 b1 = ((x <= (2147483647u).xxxx) ? (1u).xxxx : (0u).xxxx);
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const uint4 is_zero = ((x == (0u).xxxx) ? (1u).xxxx : (0u).xxxx);
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return int4((((((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 countLeadingZeros_eab32b() {
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int4 arg_0 = (1).xxxx;
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int4 res = tint_count_leading_zeros(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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countLeadingZeros_eab32b();
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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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countLeadingZeros_eab32b();
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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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countLeadingZeros_eab32b();
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return;
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}
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