dawn-cmake/test/tint/builtins/gen/literal/firstTrailingBit/cb51ce.wgsl.expected.fxc.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

46 lines
1.1 KiB
HLSL

uint3 tint_first_trailing_bit(uint3 v) {
uint3 x = uint3(v);
const uint3 b16 = (bool3((x & (65535u).xxx)) ? (0u).xxx : (16u).xxx);
x = (x >> b16);
const uint3 b8 = (bool3((x & (255u).xxx)) ? (0u).xxx : (8u).xxx);
x = (x >> b8);
const uint3 b4 = (bool3((x & (15u).xxx)) ? (0u).xxx : (4u).xxx);
x = (x >> b4);
const uint3 b2 = (bool3((x & (3u).xxx)) ? (0u).xxx : (2u).xxx);
x = (x >> b2);
const uint3 b1 = (bool3((x & (1u).xxx)) ? (0u).xxx : (1u).xxx);
const uint3 is_zero = ((x == (0u).xxx) ? (4294967295u).xxx : (0u).xxx);
return uint3((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstTrailingBit_cb51ce() {
uint3 res = tint_first_trailing_bit((1u).xxx);
}
struct tint_symbol {
float4 value : SV_Position;
};
float4 vertex_main_inner() {
firstTrailingBit_cb51ce();
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() {
firstTrailingBit_cb51ce();
return;
}
[numthreads(1, 1, 1)]
void compute_main() {
firstTrailingBit_cb51ce();
return;
}