diff --git a/nixos/modules/hardware/video/nvidia.nix b/nixos/modules/hardware/video/nvidia.nix index 210d45ac841..7050c8cdbc7 100644 --- a/nixos/modules/hardware/video/nvidia.nix +++ b/nixos/modules/hardware/video/nvidia.nix @@ -163,8 +163,19 @@ in ''; }; + hardware.nvidia.forceFullCompositionPipeline = lib.mkOption { + default = false; + type = types.bool; + description = '' + Whether to force-enable the full composition pipeline. + This sometimes fixes screen tearing issues. + This has been reported to reduce the performance of some OpenGL applications and may produce issues in WebGL. + It also drastically increases the time the driver needs to clock down after load. + ''; + }; + hardware.nvidia.package = lib.mkOption { - type = lib.types.package; + type = types.package; default = config.boot.kernelPackages.nvidiaPackages.stable; defaultText = literalExpression "config.boot.kernelPackages.nvidiaPackages.stable"; description = '' @@ -260,8 +271,14 @@ in screenSection = '' Option "RandRRotation" "on" - ${optionalString syncCfg.enable "Option \"AllowEmptyInitialConfiguration\""} - ''; + '' + optionalString syncCfg.enable '' + Option "AllowEmptyInitialConfiguration" + '' + optionalString cfg.forceFullCompositionPipeline '' + Option "metamodes" "nvidia-auto-select +0+0 {ForceFullCompositionPipeline=On}" + Option "AllowIndirectGLXProtocol" "off" + Option "TripleBuffer" "on" + '' + ; }; services.xserver.serverLayoutSection = optionalString syncCfg.enable ''