I'm using manjaro linux and since a recent mesa update maps becomes pitch black on several places. I set r_usenewshading 2 to workaround a similar issue with texture during actual game. Any hints?
EDIT : This also happens on windows using proprietary drivers. I have an AMD radeon 6600 video card.
![](https://forums.duke4.net/public/style_images/cgs/_custom/switch.png)