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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>
13 lines
265 B
HLSL
13 lines
265 B
HLSL
uint3 tint_mod(uint3 lhs, uint rhs) {
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const uint3 r = uint3((rhs).xxx);
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return (lhs % ((r == (0u).xxx) ? (1u).xxx : r));
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}
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[numthreads(1, 1, 1)]
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void f() {
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const uint3 a = uint3(1u, 2u, 3u);
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const uint b = 4u;
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const uint3 r = tint_mod(a, b);
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return;
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}
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