[PATCH v2 0/4] MR4888: wined3d: Avoid assuming the GL backend in (what can be) common code.

[Zebediah Figura (＠zfigura)]

These functions should be usable for Vulkan as well.

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  v2: wined3d: Collapse some trivially nested ifs into a single condition.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/4888