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46ee63933c
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
303 B
HLSL
13 lines
303 B
HLSL
int3 tint_div(int lhs, int3 rhs) {
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const int3 l = int3((lhs).xxx);
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return (l / (((rhs == (0).xxx) | ((l == (-2147483648).xxx) & (rhs == (-1).xxx))) ? (1).xxx : rhs));
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}
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[numthreads(1, 1, 1)]
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void f() {
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const int a = 4;
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const int3 b = int3(1, 2, 3);
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const int3 r = tint_div(a, b);
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return;
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}
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