mirror of
https://github.com/encounter/dawn-cmake.git
synced 2025-07-06 05:06:07 +00:00
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>
46 lines
1.1 KiB
HLSL
46 lines
1.1 KiB
HLSL
uint3 tint_first_leading_bit(uint3 v) {
|
|
uint3 x = v;
|
|
const uint3 b16 = (bool3((x & (4294901760u).xxx)) ? (16u).xxx : (0u).xxx);
|
|
x = (x >> b16);
|
|
const uint3 b8 = (bool3((x & (65280u).xxx)) ? (8u).xxx : (0u).xxx);
|
|
x = (x >> b8);
|
|
const uint3 b4 = (bool3((x & (240u).xxx)) ? (4u).xxx : (0u).xxx);
|
|
x = (x >> b4);
|
|
const uint3 b2 = (bool3((x & (12u).xxx)) ? (2u).xxx : (0u).xxx);
|
|
x = (x >> b2);
|
|
const uint3 b1 = (bool3((x & (2u).xxx)) ? (1u).xxx : (0u).xxx);
|
|
const uint3 is_zero = ((x == (0u).xxx) ? (4294967295u).xxx : (0u).xxx);
|
|
return uint3((((((b16 | b8) | b4) | b2) | b1) | is_zero));
|
|
}
|
|
|
|
void firstLeadingBit_3fd7d0() {
|
|
uint3 res = tint_first_leading_bit((1u).xxx);
|
|
}
|
|
|
|
struct tint_symbol {
|
|
float4 value : SV_Position;
|
|
};
|
|
|
|
float4 vertex_main_inner() {
|
|
firstLeadingBit_3fd7d0();
|
|
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() {
|
|
firstLeadingBit_3fd7d0();
|
|
return;
|
|
}
|
|
|
|
[numthreads(1, 1, 1)]
|
|
void compute_main() {
|
|
firstLeadingBit_3fd7d0();
|
|
return;
|
|
}
|