[PATCH v2 0/1] MR6779: d3dx9: Add semi-stub for D3DXOptimizeVertices().

[Matteo Bruni (＠Mystral)]

Supersedes !6772

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  v2: d3dx9: Add semi-stub for D3DXOptimizeVertices().
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/6779