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nixos opengl: add s2tc to mesa drivers by default

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Close #2200. Thanks to @cpages for suggesting and testing this.
This commit is contained in:
Vladimír Čunát 2014-04-10 20:22:53 +02:00
parent 73b4b287bb
commit 557dff54aa
1 changed files with 13 additions and 7 deletions
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20
nixos/modules/hardware/opengl.nix
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@ -39,8 +39,7 @@ in {
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.
to OpenGL drivers instead of the patent-free S2TC replacement.
Using this library may require a patent license depending on your location.
'';
@ -89,17 +88,24 @@ in {
else if elem "ati_unfree" cfg.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
(if cfg.s3tcSupport then p.libtxc_dxtn else p.libtxc_dxtn_s2tc)
];
};
in
''
${optionalString cfg.driSupport "ln -sf ${pkgs.mesa_drivers} /run/opengl-driver"}
${optionalString cfg.driSupport "ln -sf ${lib_fun pkgs} /run/opengl-driver"}
${optionalString cfg.driSupport32Bit
"ln -sf ${pkgs_i686.mesa_drivers} /run/opengl-driver-32"}
"ln -sf ${lib_fun pkgs_i686} /run/opengl-driver-32"}
''
);
environment.variables.LD_LIBRARY_PATH =
[ "/run/opengl-driver/lib" "/run/opengl-driver-32/lib" ]
++ optional cfg.s3tcSupport "${pkgs.libtxc_dxtn}/lib"
++ optional (cfg.s3tcSupport && cfg.driSupport32Bit) "${pkgs_i686.libtxc_dxtn}/lib";
[ "/run/opengl-driver/lib" "/run/opengl-driver-32/lib" ];
boot.extraModulePackages =
optional (elem "nvidia" cfg.videoDrivers) kernelPackages.nvidia_x11 ++