mirror of
https://github.com/encounter/dawn-cmake.git
synced 2025-06-01 04:01:26 +00:00
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
325 B
GLSL
19 lines
325 B
GLSL
#version 310 es
|
|
|
|
uvec3 tint_div(uvec3 lhs, uint rhs) {
|
|
uvec3 r = uvec3(rhs);
|
|
return (lhs / mix(r, uvec3(1u), equal(r, uvec3(0u))));
|
|
}
|
|
|
|
void f() {
|
|
uvec3 a = uvec3(1u, 2u, 3u);
|
|
uint b = 4u;
|
|
uvec3 r = tint_div(a, b);
|
|
}
|
|
|
|
layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
|
|
void main() {
|
|
f();
|
|
return;
|
|
}
|