Re: [PATCH v2 0/2] MR76: vkd3d-shader/hlsl: Support rsqrt() and distance() intrinsics.

[Zebediah Figura (＠zfigura)]

On Mon Jan 30 11:58:11 2023 +0000, Giovanni Mascellani wrote:
> Those `.shader_test` files are meant to test both the compiler and the
> executor. So it's useful to have something that tests what happen to
> `sqrt(-1)`, in order to ensure that to conversion to SPIR-V and then the
> execution through a Vulkan driver does what the shader expects.

What Giovanni said, although it's kind of a mix of both reasons. We don't want to match native compiler output exactly, but it's also useful to test the lower level compilers (for our purposes, dxbc -> spirv/glsl, but Mesa has also expressed interest in running our tests.)