https://bugs.winehq.org/show_bug.cgi?id=40441
--- Comment #8 from Henri Verbeet hverbeet@gmail.com --- (In reply to joaopa from comment #7)
the surface lptexture becomes NULL. So, NULL->Lock(NULL, &ddsd, 0, 0) is called. That works in Windows, not in Wine.
There's no "lptexture" in the code you quoted. In any case though, does that mean you have a testcase for this?