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{ config, lib, pkgs, pkgs_i686, ... }:
with lib;
let
cfg = config.hardware.opengl;
kernelPackages = config.boot.kernelPackages;
videoDrivers = config.services.xserver.videoDrivers;
in
{
options = {
hardware.opengl.enable = mkOption {
description = "Whether this configuration requires OpenGL.";
type = types.bool;
default = false;
internal = true;
};
hardware.opengl.driSupport = mkOption {
type = types.bool;
default = true;
description = ''
Whether to enable accelerated OpenGL rendering through the
Direct Rendering Interface (DRI).
'';
};
hardware.opengl.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>.
'';
};
hardware.opengl.s3tcSupport = mkOption {
type = types.bool;
default = false;
description = ''
Make S3TC(S3 Texture Compression) via libtxc_dxtn available
to OpenGL drivers instead of the patent-free S2TC replacement.
Using this library may require a patent license depending on your location.
'';
};
};
config = mkIf cfg.enable {
assertions = pkgs.lib.singleton {
assertion = cfg.driSupport32Bit -> pkgs.stdenv.isx86_64;
message = "Option driSupport32Bit only makes sens on a 64-bit system.";
};
system.activationScripts.setup-opengl.deps = [];
system.activationScripts.setup-opengl.text = ''
rm -f /run/opengl-driver{,-32}
${optionalString (pkgs.stdenv.isi686) "ln -sf opengl-driver /run/opengl-driver-32"}
''
#TODO: The OpenGL driver should depend on what's detected at runtime.
+( if elem "nvidia" 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" videoDrivers then
"ln -sf ${kernelPackages.nvidia_x11_legacy173} /run/opengl-driver"
else if elem "nvidiaLegacy304" 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" videoDrivers then
"ln -sf ${kernelPackages.ati_drivers_x11} /run/opengl-driver"
else
let
lib_fun = p: p.buildEnv {
name = "mesa-drivers+txc-${p.mesa_drivers.version}";
paths = [
p.mesa_drivers
p.mesa_noglu # mainly for libGL
(if cfg.s3tcSupport then p.libtxc_dxtn else p.libtxc_dxtn_s2tc)
];
};
in
''
${optionalString cfg.driSupport "ln -sf ${lib_fun pkgs} /run/opengl-driver"}
${optionalString cfg.driSupport32Bit
"ln -sf ${lib_fun pkgs_i686} /run/opengl-driver-32"}
''
);
environment.variables.LD_LIBRARY_PATH =
[ "/run/opengl-driver/lib" "/run/opengl-driver-32/lib" ];
boot.extraModulePackages =
optional (elem "nvidia" videoDrivers) kernelPackages.nvidia_x11 ++
optional (elem "nvidiaLegacy173" videoDrivers) kernelPackages.nvidia_x11_legacy173 ++
optional (elem "nvidiaLegacy304" videoDrivers) kernelPackages.nvidia_x11_legacy304 ++
optional (elem "virtualbox" videoDrivers) kernelPackages.virtualboxGuestAdditions ++
optional (elem "ati_unfree" videoDrivers) kernelPackages.ati_drivers_x11;
boot.blacklistedKernelModules =
optionals (elem "nvidia" videoDrivers) [ "nouveau" "nvidiafb" ];
environment.etc =
(optionalAttrs (elem "ati_unfree" videoDrivers) {
"ati".source = "${kernelPackages.ati_drivers_x11}/etc/ati";
})
// (optionalAttrs (elem "nvidia" videoDrivers) {
"OpenCL/vendors/nvidia.icd".source = "${kernelPackages.nvidia_x11}/lib/vendors/nvidia.icd";
});
};
}
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