Re: [PATCH v2 0/1] MR330: vkd3d-shader/hlsl: Add fwidth() function.

[Giovanni Mascellani (＠giomasce)]

Giovanni Mascellani (@giomasce) commented about libs/vkd3d-shader/hlsl.y:
> +static bool intrinsic_fwidth(struct hlsl_ctx *ctx,
> +        const struct parse_initializer *params, const struct vkd3d_shader_location *loc)
> +{
> +    struct hlsl_ir_function_decl *func;
> +    struct hlsl_type *type;
> +    char *body;
> +
> +    static const char template[] =
> +            "%s fwidth(%s x)\n"
> +            "{\n"
> +            "    return abs(ddx(x)) + abs(ddy(x));\n"
> +            "}";
> +
> +    if (!(type = elementwise_intrinsic_get_common_type(ctx, params, loc)))
> +        return false;

What's the point of this with a single parameter? Am I missing anything?

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https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/330#note_44714