[PATCH v2] d3dx9: Implement D3DXComputeTangent

[Vijay Kiran Kamuju]

On Thu, Apr 4, 2019 at 4:49 PM Matteo Bruni <matteo.mystral at gmail.com> wrote:
>
> https://www.winehq.org/pipermail/wine-devel/2017-December/120289.html
>
> (Yes, I know that's a different patch and a different function, but not really.)

I will remove the header.
Other formatting issues are already fixed.
I have added some simple test cases.
Are they not enough, Where are the tangents stored inside the mesh?