dawn-cmake/test/tint/expressions/binary/mod/scalar-scalar/i32.wgsl.expected.fxc.hlsl
Antonio Maiorano ec20758675 tint: polyfill remainder to handle negative operands
Bug: tint:1802
Change-Id: Ie9baa045feda08523e5ca4f5ce94b6db7d4477e5
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/119100
Commit-Queue: Antonio Maiorano <amaiorano@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
2023-02-10 15:01:02 +00:00

17 lines
404 B
HLSL

int tint_mod(int lhs, int rhs) {
const int rhs_or_one = (((rhs == 0) | ((lhs == -2147483648) & (rhs == -1))) ? 1 : rhs);
if (any(((uint((lhs | rhs_or_one)) & 2147483648u) != 0u))) {
return (lhs - ((lhs / rhs_or_one) * rhs_or_one));
} else {
return (lhs % rhs_or_one);
}
}
[numthreads(1, 1, 1)]
void f() {
const int a = 1;
const int b = 2;
const int r = tint_mod(a, b);
return;
}