backtrace borderless BigNavi cgroups clang cmake config CopySleep Debian dejavu deuteranope dev dir DirectX distros dmabuf downscaler downscaling downsampling fullscreen gcc gnif imgui ini kvmfr laggy libdecor libpipewire libpulse libvirt linux LookingGlass memballoon microstutters mingw mipmapping modprobe msys multisampling Navi Nvidia overlayed pacman passthrough pre protanope QEMU Quadro radeon realtime renderer repo runtime submodule submodules spencercw systemd Threadripper toolchain tritanope tunable udev UEFI uncheck uncomment Unigine unix upscaled upscaler upscales upscaling VM vsync wayland xdg Xorg xyene