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Merge pull request #174259 from schuelermine/add-nixos-option/hardware.nvidia.forceFullCompositionPipeline

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nixos/nvidia: add hardware.nvidia.forceFullCompositionPipeline
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Thiago Kenji Okada 2022-06-02 17:50:50 +01:00 committed by GitHub
commit 64870a0c57
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GPG key ID: 4AEE18F83AFDEB23
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 = ''
@ -259,8 +270,14 @@ 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 ''