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nixpkgs/nixos/modules/hardware/opengl.nix
Pierre Bourdon 1b89bffcf4
libtxc_dxtn{,_s2tc}: remove from nixpkgs + hardware.opengl options
Context: discussion in https://github.com/NixOS/nixpkgs/pull/82630

Mesa has been supporting S3TC natively without requiring these libraries
since the S3TC patent expired in December 2017.
2020-04-20 03:19:41 +02:00

159 lines
4.9 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.hardware.opengl;
kernelPackages = config.boot.kernelPackages;
videoDrivers = config.services.xserver.videoDrivers;
package = pkgs.buildEnv {
name = "opengl-drivers";
paths = [ cfg.package ] ++ cfg.extraPackages;
};
package32 = pkgs.buildEnv {
name = "opengl-drivers-32bit";
paths = [ cfg.package32 ] ++ cfg.extraPackages32;
};
in
{
imports = [
(mkRenamedOptionModule [ "services" "xserver" "vaapiDrivers" ] [ "hardware" "opengl" "extraPackages" ])
(mkRemovedOptionModule [ "hardware" "opengl" "s3tcSupport" ] ''
S3TC support is now always enabled in Mesa.
'')
];
options = {
hardware.opengl = {
enable = mkOption {
description = ''
Whether to enable OpenGL drivers. This is needed to enable
OpenGL support in X11 systems, as well as for Wayland compositors
like sway and Weston. It is enabled by default
by the corresponding modules, so you do not usually have to
set it yourself, only if there is no module for your wayland
compositor of choice. See services.xserver.enable and
programs.sway.enable.
'';
type = types.bool;
default = false;
};
driSupport = mkOption {
type = types.bool;
default = true;
description = ''
Whether to enable accelerated OpenGL rendering through the
Direct Rendering Interface (DRI).
'';
};
driSupport32Bit = mkOption {
type = types.bool;
default = false;
description = ''
On 64-bit systems, whether to support Direct Rendering for
32-bit applications (such as Wine). This is currently only
supported for the <literal>nvidia</literal> and
<literal>ati_unfree</literal> drivers, as well as
<literal>Mesa</literal>.
'';
};
package = mkOption {
type = types.package;
internal = true;
description = ''
The package that provides the OpenGL implementation.
'';
};
package32 = mkOption {
type = types.package;
internal = true;
description = ''
The package that provides the 32-bit OpenGL implementation on
64-bit systems. Used when <option>driSupport32Bit</option> is
set.
'';
};
extraPackages = mkOption {
type = types.listOf types.package;
default = [];
example = literalExample "with pkgs; [ vaapiIntel libvdpau-va-gl vaapiVdpau intel-ocl ]";
description = ''
Additional packages to add to OpenGL drivers. This can be used
to add OpenCL drivers, VA-API/VDPAU drivers etc.
'';
};
extraPackages32 = mkOption {
type = types.listOf types.package;
default = [];
example = literalExample "with pkgs.pkgsi686Linux; [ vaapiIntel libvdpau-va-gl vaapiVdpau ]";
description = ''
Additional packages to add to 32-bit OpenGL drivers on
64-bit systems. Used when <option>driSupport32Bit</option> is
set. This can be used to add OpenCL drivers, VA-API/VDPAU drivers etc.
'';
};
setLdLibraryPath = mkOption {
type = types.bool;
internal = true;
default = false;
description = ''
Whether the <literal>LD_LIBRARY_PATH</literal> environment variable
should be set to the locations of driver libraries. Drivers which
rely on overriding libraries should set this to true. Drivers which
support <literal>libglvnd</literal> and other dispatch libraries
instead of overriding libraries should not set this.
'';
};
};
};
config = mkIf cfg.enable {
assertions = [
{ assertion = cfg.driSupport32Bit -> pkgs.stdenv.isx86_64;
message = "Option driSupport32Bit only makes sense on a 64-bit system.";
}
{ assertion = cfg.driSupport32Bit -> (config.boot.kernelPackages.kernel.features.ia32Emulation or false);
message = "Option driSupport32Bit requires a kernel that supports 32bit emulation";
}
];
systemd.tmpfiles.rules = [
"L+ /run/opengl-driver - - - - ${package}"
(
if pkgs.stdenv.isi686 then
"L+ /run/opengl-driver-32 - - - - opengl-driver"
else if cfg.driSupport32Bit then
"L+ /run/opengl-driver-32 - - - - ${package32}"
else
"r /run/opengl-driver-32"
)
];
environment.sessionVariables.LD_LIBRARY_PATH = mkIf cfg.setLdLibraryPath
([ "/run/opengl-driver/lib" ] ++ optional cfg.driSupport32Bit "/run/opengl-driver-32/lib");
hardware.opengl.package = mkDefault pkgs.mesa.drivers;
hardware.opengl.package32 = mkDefault pkgs.pkgsi686Linux.mesa.drivers;
boot.extraModulePackages = optional (elem "virtualbox" videoDrivers) kernelPackages.virtualboxGuestAdditions;
};
}