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vkd3d-shader/hlsl: Correctly fold casts from float.

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I.e., without invoking undefined behavior in the compiler. The rules
are desumed from the the MSDN documentation for ftoi and ftou.
This commit is contained in:
Giovanni Mascellani
2023-09-10 22:50:01 +02:00
committed by Alexandre Julliard
parent d9c984c11a
commit 49bbd98a04
Notes: Alexandre Julliard 2023-09-22 22:46:53 +02:00 
Approved-by: Zebediah Figura (@zfigura)
Approved-by: Francisco Casas (@fcasas)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/338
2 changed files with 28 additions and 3 deletions
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tests/hlsl/cast-to-uint.shader_test
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@@ -41,4 +41,4 @@ float4 main() : sv_target
[test]
draw quad
todo probe all rgba (0.5, 0.5, 0.5, 0.5)
probe all rgba (0.5, 0.5, 0.5, 0.5)