47 lines
1.2 KiB
HLSL
47 lines
1.2 KiB
HLSL
|
int4 tint_count_leading_zeros(int4 v) {
|
||
|
|
uint4 x = uint4(v);
|
||
|
|
const uint4 b16 = ((x <= (65535u).xxxx) ? (16u).xxxx : (0u).xxxx);
|
||
|
|
x = (x << b16);
|
||
|
|
const uint4 b8 = ((x <= (16777215u).xxxx) ? (8u).xxxx : (0u).xxxx);
|
||
|
|
x = (x << b8);
|
||
|
|
const uint4 b4 = ((x <= (268435455u).xxxx) ? (4u).xxxx : (0u).xxxx);
|
||
|
|
x = (x << b4);
|
||
|
|
const uint4 b2 = ((x <= (1073741823u).xxxx) ? (2u).xxxx : (0u).xxxx);
|
||
|
|
x = (x << b2);
|
||
|
|
const uint4 b1 = ((x <= (2147483647u).xxxx) ? (1u).xxxx : (0u).xxxx);
|
||
|
|
const uint4 is_zero = ((x == (0u).xxxx) ? (1u).xxxx : (0u).xxxx);
|
||
|
|
return int4((((((b16 | b8) | b4) | b2) | b1) + is_zero));
|
||
|
|
}
|
||
|
|
|
||
|
|
void countLeadingZeros_eab32b() {
|
||
|
|
int4 arg_0 = (0).xxxx;
|
||
|
|
int4 res = tint_count_leading_zeros(arg_0);
|
||
|
|
}
|
||
|
|
|
||
|
|
struct tint_symbol {
|
||
|
|
float4 value : SV_Position;
|
||
|
|
};
|
||
|
|
|
||
|
|
float4 vertex_main_inner() {
|
||
|
|
countLeadingZeros_eab32b();
|
||
|
|
return (0.0f).xxxx;
|
||
|
|
}
|
||
|
|
|
||
|
|
tint_symbol vertex_main() {
|
||
|
|
const float4 inner_result = vertex_main_inner();
|
||
|
|
tint_symbol wrapper_result = (tint_symbol)0;
|
||
|
|
wrapper_result.value = inner_result;
|
||
|
|
return wrapper_result;
|
||
|
|
}
|
||
|
|
|
||
|
|
void fragment_main() {
|
||
|
|
countLeadingZeros_eab32b();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
[numthreads(1, 1, 1)]
|
||
|
|
void compute_main() {
|
||
|
|
countLeadingZeros_eab32b();
|
||
|
|
return;
|
||
|
|
}
|