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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
This commit is contained in:
Thiago Kenji Okada
2022-06-02 17:50:50 +01:00
committed by GitHub
parent 1c9b93ae54 446d2cb021
commit 64870a0c57
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 ''