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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>
19 lines
416 B
GLSL
19 lines
416 B
GLSL
#version 310 es
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ivec3 tint_mod(int lhs, ivec3 rhs) {
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ivec3 l = ivec3(lhs);
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return (l % mix(rhs, ivec3(1), bvec3(uvec3(equal(rhs, ivec3(0))) | uvec3(bvec3(uvec3(equal(l, ivec3(-2147483648))) & uvec3(equal(rhs, ivec3(-1))))))));
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}
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void f() {
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int a = 4;
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ivec3 b = ivec3(1, 2, 3);
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ivec3 r = tint_mod(a, b);
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}
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layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
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void main() {
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f();
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return;
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}
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