46 lines
1.3 KiB
HLSL
46 lines
1.3 KiB
HLSL
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uint3 tint_count_leading_zeros(uint3 v) {
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uint3 x = uint3(v);
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const uint3 b16 = ((x <= uint3((65535u).xxx)) ? uint3((16u).xxx) : uint3((0u).xxx));
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x = (x << b16);
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const uint3 b8 = ((x <= uint3((16777215u).xxx)) ? uint3((8u).xxx) : uint3((0u).xxx));
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x = (x << b8);
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const uint3 b4 = ((x <= uint3((268435455u).xxx)) ? uint3((4u).xxx) : uint3((0u).xxx));
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x = (x << b4);
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const uint3 b2 = ((x <= uint3((1073741823u).xxx)) ? uint3((2u).xxx) : uint3((0u).xxx));
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x = (x << b2);
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const uint3 b1 = ((x <= uint3((2147483647u).xxx)) ? uint3((1u).xxx) : uint3((0u).xxx));
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const uint3 is_zero = ((x == uint3((0u).xxx)) ? uint3((1u).xxx) : uint3((0u).xxx));
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return uint3((((((b16 | b8) | b4) | b2) | b1) + is_zero));
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}
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void countLeadingZeros_ab6345() {
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uint3 res = tint_count_leading_zeros(uint3(0u, 0u, 0u));
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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_ab6345();
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return float4(0.0f, 0.0f, 0.0f, 0.0f);
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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_ab6345();
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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_ab6345();
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return;
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}
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