46 lines
1.1 KiB
HLSL
46 lines
1.1 KiB
HLSL
uint2 tint_count_leading_zeros(uint2 v) {
|
|
uint2 x = uint2(v);
|
|
const uint2 b16 = ((x <= (65535u).xx) ? (16u).xx : (0u).xx);
|
|
x = (x << b16);
|
|
const uint2 b8 = ((x <= (16777215u).xx) ? (8u).xx : (0u).xx);
|
|
x = (x << b8);
|
|
const uint2 b4 = ((x <= (268435455u).xx) ? (4u).xx : (0u).xx);
|
|
x = (x << b4);
|
|
const uint2 b2 = ((x <= (1073741823u).xx) ? (2u).xx : (0u).xx);
|
|
x = (x << b2);
|
|
const uint2 b1 = ((x <= (2147483647u).xx) ? (1u).xx : (0u).xx);
|
|
const uint2 is_zero = ((x == (0u).xx) ? (1u).xx : (0u).xx);
|
|
return uint2((((((b16 | b8) | b4) | b2) | b1) + is_zero));
|
|
}
|
|
|
|
void countLeadingZeros_70783f() {
|
|
uint2 res = tint_count_leading_zeros((1u).xx);
|
|
}
|
|
|
|
struct tint_symbol {
|
|
float4 value : SV_Position;
|
|
};
|
|
|
|
float4 vertex_main_inner() {
|
|
countLeadingZeros_70783f();
|
|
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_70783f();
|
|
return;
|
|
}
|
|
|
|
[numthreads(1, 1, 1)]
|
|
void compute_main() {
|
|
countLeadingZeros_70783f();
|
|
return;
|
|
}
|