Re: [PATCH v3 0/8] MR417: vkd3d-shader/hlsl: Add ceil() function.

[Francisco Casas (＠fcasas)]

On Thu Oct 19 09:51:46 2023 +0000, Nikolay Sivov wrote:
> It does compile, but results are broken. That's what I get on Windows:
> `shader_runner:683: Section [test], line 51: Test failed: Got
> {8.40779079e-045, 9.80908925e-045, -1.#QNAN000e+000, 4.20389539e-045},
> expected {6.00000000e+000, 7.00000000e+000, -1.00000000e+000,
> 3.00000000e+000} at (0, 0).`
> That happens because of the lack of itof conversion on SM3. So ints we
> set are returned as is, after ceil() is optimized away for integers.
> I see. So the `probe` part may be deserving of a `todo(sm<4)`. 
> I made patches for that on the second part of !418, but I think that for now it is okay to leave the requirement.

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https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/417#note_49293