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tint: polyfill remainder to handle negative operands

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Bug: tint:1802
Change-Id: Ie9baa045feda08523e5ca4f5ce94b6db7d4477e5
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/119100
Commit-Queue: Antonio Maiorano <amaiorano@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
This commit is contained in:
Antonio Maiorano
2023-02-10 15:01:02 +00:00
committed by Dawn LUCI CQ
parent 78583a14e6
commit ec20758675
103 changed files with 1660 additions and 554 deletions
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7
test/tint/statements/compound_assign/vector/modulo.wgsl.expected.glsl
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@@ -13,7 +13,12 @@ layout(binding = 0, std430) buffer v_block_ssbo {
} v;
ivec4 tint_mod(ivec4 lhs, ivec4 rhs) {
return (lhs % mix(rhs, ivec4(1), bvec4(uvec4(equal(rhs, ivec4(0))) | uvec4(bvec4(uvec4(equal(lhs, ivec4(-2147483648))) & uvec4(equal(rhs, ivec4(-1))))))));
ivec4 rhs_or_one = mix(rhs, ivec4(1), bvec4(uvec4(equal(rhs, ivec4(0))) | uvec4(bvec4(uvec4(equal(lhs, ivec4(-2147483648))) & uvec4(equal(rhs, ivec4(-1)))))));
if (any(notEqual((uvec4((lhs | rhs_or_one)) & uvec4(2147483648u)), uvec4(0u)))) {
return (lhs - ((lhs / rhs_or_one) * rhs_or_one));
} else {
return (lhs % rhs_or_one);
}
}
void foo() {