Re: [PATCH 0/5] MR4624: wined3d: More old-GL fixes.

[Henri Verbeet (＠hverbeet)]

> ```diff
> -    if (instance_count)
> +    if (instance_count && instance_count != 1)
> ```

I.e., "if (instance_count > 1)", right? Is drawing a single instance completely equivalent to a non-instanced draw?
> ```
> Subject: [PATCH 3/5] wined3d: Don't skip FFP projection transform update.
>
> More fallout from 2ddb6b66a7cda0bf6aaddc0c6899e35cc92ceee9.
> ```

I can roughly guess what the issue here is, but ideally someone reading the patch wouldn't have to; the helpful thing to do would be to describe the scenario that would cause the transformation update to be incorrectly skipped.

-- 
https://gitlab.winehq.org/wine/wine/-/merge_requests/4624#note_55330