{pkgs, ...}: { services.xserver.videoDrivers = ["nvidia"]; environment.variables = { GBM_BACKEND = "nvidia-drm"; WLR_NO_HARDWARE_CURSORS = "1"; LIBVA_DRIVER_NAME = "nvidia"; __GLX_VENDOR_LIBRARY_NAME = "nvidia"; __NV_PRIME_RENDER_OFFLOAD = "1"; __VK_LAYER_NV_optimus = "NVIDIA_only"; NVD_BACKEND = "direct"; # __GL_GSYNC_ALLOWED = "1"; # __GL_VRR_ALLOWED = "1"; XWAYLAND_NO_GLAMOR = "1"; __GL_MaxFramesAllowed = "1"; }; environment.systemPackages = with pkgs; [ vulkan-loader vulkan-validation-layers vulkan-tools ]; }