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