dawn-cmake/test/tint/expressions/binary/div/vec3-vec3/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

12 lines
287 B
HLSL

int3 tint_div(int3 lhs, int3 rhs) {
return (lhs / (((rhs == (0).xxx) | ((lhs == (-2147483648).xxx) & (rhs == (-1).xxx))) ? (1).xxx : rhs));
}
[numthreads(1, 1, 1)]
void f() {
const int3 a = int3(1, 2, 3);
const int3 b = int3(4, 5, 6);
const int3 r = tint_div(a, b);
return;
}