nixpkgs/nixos/modules/services/x11/mesa.nix
Shea Levy babd66e8e6 Fix environment.etc setting
Signed-off-by: Shea Levy <shea@shealevy.com>
2014-01-15 15:15:46 -05:00

118 lines
4.5 KiB
Nix

{ config, pkgs, pkgs_i686, ... }:
let
inherit (pkgs.lib) mkOption types mkIf optional optionals elem optionalString optionalAttrs;
cfg = config.services.mesa;
kernelPackages = config.boot.kernelPackages;
in {
options = {
services.mesa.enable = mkOption {
description = "Whether this configuration requires mesa.";
type = types.bool;
default = false;
internal = true;
};
services.mesa.driSupport = mkOption {
type = types.bool;
default = true;
description = ''
Whether to enable accelerated OpenGL rendering through the
Direct Rendering Interface (DRI).
'';
};
services.mesa.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> driver and for
<literal>mesa</literal>.
'';
};
services.mesa.s3tcSupport = mkOption {
type = types.bool;
default = false;
description = ''
Make S3TC(S3 Texture Compression) via libtxc_dxtn available
to OpenGL drivers. It is essential for many games to work
with FOSS GPU drivers.
Using this library may require a patent license depending on your location.
'';
};
services.mesa.videoDrivers = mkOption {
type = types.listOf types.str;
# !!! We'd like "nv" here, but it segfaults the X server.
default = [ "ati" "cirrus" "intel" "vesa" "vmware" ];
example = [ "vesa" ];
description = ''
The names of the video drivers that the mesa should
support. Mesa will try all of the drivers listed
here until it finds one that supports your video card.
'';
};
};
config = mkIf cfg.enable {
system.activationScripts.setup-opengl.deps = [];
system.activationScripts.setup-opengl.text = ''
rm -f /run/opengl-driver{,-32}
${optionalString (!cfg.driSupport32Bit) "ln -sf opengl-driver /run/opengl-driver-32"}
${# !!! The OpenGL driver depends on what's detected at runtime.
if elem "nvidia" cfg.videoDrivers then
''
ln -sf ${kernelPackages.nvidia_x11} /run/opengl-driver
${optionalString cfg.driSupport32Bit
"ln -sf ${pkgs_i686.linuxPackages.nvidia_x11.override { libsOnly = true; kernel = null; } } /run/opengl-driver-32"}
''
else if elem "nvidiaLegacy173" cfg.videoDrivers then
"ln -sf ${kernelPackages.nvidia_x11_legacy173} /run/opengl-driver"
else if elem "nvidiaLegacy304" cfg.videoDrivers then
''
ln -sf ${kernelPackages.nvidia_x11_legacy304} /run/opengl-driver
${optionalString cfg.driSupport32Bit
"ln -sf ${pkgs_i686.linuxPackages.nvidia_x11_legacy304.override { libsOnly = true; kernel = null; } } /run/opengl-driver-32"}
''
else if elem "ati_unfree" cfg.videoDrivers then
"ln -sf ${kernelPackages.ati_drivers_x11} /run/opengl-driver"
else
''
${optionalString cfg.driSupport "ln -sf ${pkgs.mesa_drivers} /run/opengl-driver"}
${optionalString cfg.driSupport32Bit
"ln -sf ${pkgs_i686.mesa_drivers} /run/opengl-driver-32"}
''
}
'';
environment.variables.LD_LIBRARY_PATH =
[ "/run/opengl-driver/lib" "/run/opengl-driver-32/lib" ]
++ optional cfg.s3tcSupport "${pkgs.libtxc_dxtn}/lib"
++ optional (cfg.s3tcSupport && cfg.driSupport32Bit) "${pkgs_i686.libtxc_dxtn}/lib";
boot.extraModulePackages =
optional (elem "nvidia" cfg.videoDrivers) kernelPackages.nvidia_x11 ++
optional (elem "nvidiaLegacy173" cfg.videoDrivers) kernelPackages.nvidia_x11_legacy173 ++
optional (elem "nvidiaLegacy304" cfg.videoDrivers) kernelPackages.nvidia_x11_legacy304 ++
optional (elem "virtualbox" cfg.videoDrivers) kernelPackages.virtualboxGuestAdditions ++
optional (elem "ati_unfree" cfg.videoDrivers) kernelPackages.ati_drivers_x11;
boot.blacklistedKernelModules =
optionals (elem "nvidia" cfg.videoDrivers) [ "nouveau" "nvidiafb" ];
environment.etc = (optionalAttrs (elem "ati_unfree" cfg.videoDrivers) {
"ati".source = "${kernelPackages.ati_drivers_x11}/etc/ati";
})
// (optionalAttrs (elem "nvidia" cfg.videoDrivers) {
"OpenCL/vendors/nvidia.icd".source = "${kernelPackages.nvidia_x11}/lib/vendors/nvidia.icd";
});
};
}