x11-toolkits/wlroots: backport WLR_DRM_NO_MODIFIERS support
https://github.com/swaywm/wlroots/commit/2bdd1d0896cc broke KMS-based
screen capture e.g.,
$ sudo LIBVA_DRIVER_NAME=iHD ffmpeg -hide_banner \ -f kmsgrab -i - \ -vf hwmap=derive_device=vaapi,scale_vaapi=format=nv12 \ -c:v h264_vaapi \ output.mp4 [kmsgrab @ 0x81098b000] Using plane 30 to locate framebuffers. [kmsgrab @ 0x81098b000] Failed to get framebuffer 131: Invalid argument. pipe:: Invalid argument
To make it work again define WLR_DRM_NO_MODIFIERS=1 via environ(7)
before starting a wlroots-based compositor.