6afb255d97
these changes were generated with nixq 0.0.2, by running nixq ">> lib.mdDoc[remove] Argument[keep]" --batchmode nixos/**.nix nixq ">> mdDoc[remove] Argument[keep]" --batchmode nixos/**.nix nixq ">> Inherit >> mdDoc[remove]" --batchmode nixos/**.nix two mentions of the mdDoc function remain in nixos/, both of which are inside of comments. Since lib.mdDoc is already defined as just id, this commit is a no-op as far as Nix (and the built manual) is concerned.
55 lines
1.6 KiB
Nix
55 lines
1.6 KiB
Nix
# Global configuration for the SSH client.
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{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.programs.turbovnc;
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in
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{
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options = {
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programs.turbovnc = {
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ensureHeadlessSoftwareOpenGL = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Whether to set up NixOS such that TurboVNC's built-in software OpenGL
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implementation works.
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This will enable {option}`hardware.opengl.enable` so that OpenGL
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programs can find Mesa's llvmpipe drivers.
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Setting this option to `false` does not mean that software
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OpenGL won't work; it may still work depending on your system
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configuration.
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This option is also intended to generate warnings if you are using some
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configuration that's incompatible with using headless software OpenGL
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in TurboVNC.
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'';
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};
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};
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};
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config = mkIf cfg.ensureHeadlessSoftwareOpenGL {
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# TurboVNC has builtin support for Mesa llvmpipe's `swrast`
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# software rendering to implement GLX (OpenGL on Xorg).
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# However, just building TurboVNC with support for that is not enough
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# (it only takes care of the X server side part of OpenGL);
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# the indiviudual applications (e.g. `glxgears`) also need to directly load
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# the OpenGL libs.
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# Thus, this creates `/run/opengl-driver` populated by Mesa so that the applications
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# can find the llvmpipe `swrast.so` software rendering DRI lib via `libglvnd`.
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# This comment exists to explain why `hardware.` is involved,
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# even though 100% software rendering is used.
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hardware.opengl.enable = true;
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};
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}
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