[PATCH v6 0/3] MR4452: d2d1: Acquire lock before attempt to draw to device context

[Brendan McGrath (＠redmcg)]

Fixes periodic crashes in PowerPoint 365

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  v6: d2d1: Acquire lock before attempt to draw to device context
      d2d1: Add test for singlethreaded draw
      d2d1: Add test for multithreaded draw
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/4452