dawn-cmake/test/tint/statements/compound_assign/divide_by_zero.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

32 lines
745 B
HLSL

[numthreads(1, 1, 1)]
void unused_entry_point() {
return;
}
static int a = 0;
static float b = 0.0f;
int tint_div(int lhs, int rhs) {
return (lhs / (((rhs == 0) | ((lhs == -2147483648) & (rhs == -1))) ? 1 : rhs));
}
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);
}
}
void foo(int maybe_zero) {
a = tint_div(a, 0);
a = tint_mod(a, 0);
a = tint_div(a, maybe_zero);
a = tint_mod(a, maybe_zero);
b = (b / 0.0f);
b = (b % 0.0f);
b = (b / float(maybe_zero));
b = (b % float(maybe_zero));
}