[6/6] wined3d: Simplify the get_write_mask and get_swizzle functions

[H. Verbeet]

On 29/12/06, H. Verbeet <hverbeet at gmail.com> wrote:
> Changelog:
>   - Simplify the get_write_mask and get_swizzle functions
>
Please revert this (a9f658f6a68fbe53bcf30ab0329e5ff91451bf30). I don't
think the patch in itself is wrong, but there appears to be some code
that depends on the previous way of doing things. That will have to be
fixed first.