dawn-cmake/test/tint/builtins/gen/var/countLeadingZeros/7c38a6.wgsl.expected.dxc.hlsl
Ben Clayton ee36e39296 test/tint/builtins: Generate abstract numeric tests
Change-Id: I2da181af0694f73ec4be07ed40e4e70d49b53583
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/97140
Commit-Queue: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
2022-07-26 14:27:25 +00:00

47 lines
1.2 KiB
HLSL

int3 tint_count_leading_zeros(int3 v) {
uint3 x = uint3(v);
const uint3 b16 = ((x <= (65535u).xxx) ? (16u).xxx : (0u).xxx);
x = (x << b16);
const uint3 b8 = ((x <= (16777215u).xxx) ? (8u).xxx : (0u).xxx);
x = (x << b8);
const uint3 b4 = ((x <= (268435455u).xxx) ? (4u).xxx : (0u).xxx);
x = (x << b4);
const uint3 b2 = ((x <= (1073741823u).xxx) ? (2u).xxx : (0u).xxx);
x = (x << b2);
const uint3 b1 = ((x <= (2147483647u).xxx) ? (1u).xxx : (0u).xxx);
const uint3 is_zero = ((x == (0u).xxx) ? (1u).xxx : (0u).xxx);
return int3((((((b16 | b8) | b4) | b2) | b1) + is_zero));
}
void countLeadingZeros_7c38a6() {
int3 arg_0 = (1).xxx;
int3 res = tint_count_leading_zeros(arg_0);
}
struct tint_symbol {
float4 value : SV_Position;
};
float4 vertex_main_inner() {
countLeadingZeros_7c38a6();
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_7c38a6();
return;
}
[numthreads(1, 1, 1)]
void compute_main() {
countLeadingZeros_7c38a6();
return;
}