dawn-cmake/test/tint/builtins/gen/var/firstLeadingBit/35053e.wgsl.expected.hlsl
Ben Clayton c0af5c5c9c tint: Add builtin tests for arguments passed by var
Change-Id: I81b69d23e40675d7f525e6369afec9aa0659d043
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/92321
Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
2022-06-02 14:36:10 +00:00

47 lines
1.2 KiB
HLSL

int3 tint_first_leading_bit(int3 v) {
uint3 x = ((v < (0).xxx) ? uint3(~(v)) : uint3(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 int3((((((b16 | b8) | b4) | b2) | b1) | is_zero));
}
void firstLeadingBit_35053e() {
int3 arg_0 = (0).xxx;
int3 res = tint_first_leading_bit(arg_0);
}
struct tint_symbol {
float4 value : SV_Position;
};
float4 vertex_main_inner() {
firstLeadingBit_35053e();
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_35053e();
return;
}
[numthreads(1, 1, 1)]
void compute_main() {
firstLeadingBit_35053e();
return;
}