dentritic refactor

modules/nixos/hw/hw-graphics.ulu.nix

@@ -0,0 +1,116 @@
+{ ... }:
+{
+  flake.nixosModules.hw-graphics =
+    {
+      config,
+      lib,
+      pkgs,
+      ...
+    }:
+    let
+      driver = config.elars.hardware.graphics.driver;
+
+      amd = {
+        hardware.graphics.extraPackages = with pkgs; [
+          amdvlk
+          rocmPackages.clr.icd
+        ];
+
+        services.xserver.videoDrivers = [ "amdgpu" ];
+      };
+
+      intel =
+        let
+          wayland-intel-vaapi-driver = pkgs.intel-vaapi-driver.overrideAttrs (oldAttrs: {
+            version = "2.4.4-wayland-fix";
+            src = pkgs.fetchFromGitHub {
+              owner = "irql-notlessorequal";
+              repo = "intel-vaapi-driver";
+              rev = "929e936ec1f451a5daa12b0c7367687b712b8c2c";
+              hash = "sha256-tZ1rZ+4bRxarcFQhP8V2Mfz0sJ5rBgHYLu2ulrQwL+U=";
+            };
+          });
+          wayland-intel-vaapi-driver-32 = pkgs.pkgsi686Linux.intel-vaapi-driver.overrideAttrs (oldAttrs: {
+            version = "2.4.4-wayland-fix";
+            src = pkgs.fetchFromGitHub {
+              owner = "irql-notlessorequal";
+              repo = "intel-vaapi-driver";
+              rev = "929e936ec1f451a5daa12b0c7367687b712b8c2c";
+              hash = "sha256-tZ1rZ+4bRxarcFQhP8V2Mfz0sJ5rBgHYLu2ulrQwL+U=";
+            };
+
+          });
+          #hasvk14-layer = pkgs.callPackage ./vk { };
+          #hasvk14-layer-32 = pkgs.pkgsi686Linux.callPackage ./vk { };
+        in
+        {
+          hardware.graphics = {
+            extraPackages = [
+              #hasvk14-layer
+              wayland-intel-vaapi-driver
+              pkgs.libvdpau-va-gl
+              pkgs.pocl
+            ];
+            extraPackages32 = [
+              #hasvk14-layer-32
+              wayland-intel-vaapi-driver-32
+              pkgs.pkgsi686Linux.libvdpau-va-gl
+            ];
+          };
+          services.xserver.videoDrivers = [ "modesetting" ];
+          environment.variables = {
+            LIBVA_DRIVER_NAME = "i965";
+          };
+        };
+
+      nvidia = {
+        services.xserver.videoDrivers = [ "nvidia" ];
+
+        hardware.nvidia = {
+          modesetting.enable = true;
+          open = false;
+          nvidiaSettings = true;
+          package = config.boot.kernelPackages.nvidiaPackages.stable;
+        };
+      };
+
+      prime = {
+        hardware.nvidia.prime = {
+          offload.enable = true;
+          amdgpuBusId = "PCI:X:X:X";
+          nvidiaBusId = "PCI:X:X:X";
+        };
+      };
+    in
+    {
+      options.elars.hardware.graphics.driver = lib.mkOption {
+        type = lib.types.enum [
+          "intel"
+          "amd"
+          "nvidia"
+          "hybrid-amd-nvidia"
+        ];
+        default = "intel";
+      };
+
+      config = lib.mkMerge [
+        {
+          hardware.graphics = {
+            enable = true;
+            enable32Bit = true;
+          };
+        }
+
+        (lib.mkIf (driver == "intel") intel)
+        (lib.mkIf (driver == "amd") amd)
+        (lib.mkIf (driver == "nvidia") nvidia)
+        (lib.mkIf (driver == "hybrid-amd-nvidia") (
+          lib.mkMerge [
+            amd
+            nvidia
+            prime
+          ]
+        ))
+      ];
+    };
+}