[PATCH vkd3d] vkd3d-shader/hlsl: Add round intrinsic function and test.

[Giovanni Mascellani]

Signed-off-by: Giovanni Mascellani <gmascellani at codeweavers.com>
--
Though notice a couple of minor items below.

On 17/11/21 18:04, Francisco Casas wrote:
> @@ -1625,11 +1631,12 @@ static const struct intrinsic_function
>       bool (*handler)(struct hlsl_ctx *ctx, const struct parse_initializer *params, struct vkd3d_shader_location loc);
>   }
>   intrinsic_functions[] =
> -{
> +{ /* Note: these entries should be kept in alphabetical order. */

I would put this on a dedicated line.

> +[pixel shader]
> +float4 main(uniform float4 u) : sv_target
> +{
> +    float a = round(u.r);
> +    int2 b = round(u.gb);
> +    float4 res = float4(b,a,u.a);

In general I'm not a fan of hard coding styles, but it makes sense to 
keep spaces after commas here too.

Thanks, Giovanni.