dawn-cmake/test/tint/expressions/binary/mod/vec3-scalar/i32.wgsl.expected.dxc.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

18 lines
486 B
HLSL

int3 tint_mod(int3 lhs, int rhs) {
const int3 r = int3((rhs).xxx);
const int3 rhs_or_one = (((r == (0).xxx) | ((lhs == (-2147483648).xxx) & (r == (-1).xxx))) ? (1).xxx : r);
if (any(((uint3((lhs | rhs_or_one)) & (2147483648u).xxx) != (0u).xxx))) {
return (lhs - ((lhs / rhs_or_one) * rhs_or_one));
} else {
return (lhs % rhs_or_one);
}
}
[numthreads(1, 1, 1)]
void f() {
const int3 a = int3(1, 2, 3);
const int b = 4;
const int3 r = tint_mod(a, b);
return;
}