dawn-cmake/test/tint/expressions/binary/mod/vec3-scalar/i32.wgsl.expected.fxc.hlsl
Ben Clayton 46ee63933c tint/transform: Implement div / mod polyfill
Prevents UB for divide-by-zero and integer overflow when dividing

Fixed: tint:1349
Change-Id: Ieef66d27d7aec3011628ced076b2bccc7770a8af
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/108925
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
2022-11-09 22:04:11 +00:00

13 lines
301 B
HLSL

int3 tint_mod(int3 lhs, int rhs) {
const int3 r = int3((rhs).xxx);
return (lhs % (((r == (0).xxx) | ((lhs == (-2147483648).xxx) & (r == (-1).xxx))) ? (1).xxx : r));
}
[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;
}