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nixos/nvidia: add hardware.nvidia.forceFullCompositionPipeline

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This commit is contained in:
Anselm Schüler 2022-05-24 11:46:50 +02:00
parent 977df9de2e
commit 446d2cb021
1 changed files with 20 additions and 3 deletions
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23
nixos/modules/hardware/video/nvidia.nix
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@ -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 ''