[Bug 60189] Built-in d3dx9 causes z-fighting visual artifacts in Lego Star Wars 3 III (GoG version)

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=60189

--- Comment #5 from Francisco Casas <[e-mail]> ---
This z-fighting bug is fixed once we emit the proper dp2add/dp3/dp4 or
mul/mad/add instructions for the mul() intrinsic in the different cases of
matrix majorities of the arguments.

I have an implementation for this in my
https://gitlab.winehq.org/fcasas/vkd3d/-/commits/frail-dot branch.

I sent the first part as
https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/2211.

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