Holes in NPCs and Objects

I’m getting some weird texture mapping issues where triangular holes are in everything. It goes away for a second if I switch resolutions only to reappear seconds later. Even on low settings these problems exist.

See for yourself:
https://steamcommunity.com/sharedfiles/filedetails/?id=96231107
https://steamcommunity.com/sharedfiles/filedetails/?id=96229524
https://steamcommunity.com/sharedfiles/filedetails/?id=96215056

Please, look at my post in the near thread: https://forums.blackmesasource.com/showpost.php?p=492106&postcount=2

In short, your GPU for some reason is unable to handle the game. Either your GPU is outdated, not designed for demanding games or overheating.

Must be my graphics card because same card with same issue reported here:

https://forums.blackmesasource.com/showthread.php?p=492710#post492710

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