complete restructure

modules/hardware/gpu-amd.nix

@@ -0,0 +1,38 @@
+# modules/hardware/gpu-amd.nix
+# AMD GPU drivers, Vulkan, and video acceleration
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+
+{
+  hardware.graphics = {
+    enable = true;
+    enable32Bit = true;
+
+    extraPackages = with pkgs; [
+      libva-vdpau-driver
+      libvdpau-va-gl
+      rocmPackages.clr.icd
+    ];
+
+    extraPackages32 = with pkgs.driversi686Linux; [
+      libva-vdpau-driver
+      libvdpau-va-gl
+    ];
+  };
+
+  programs.corectrl.enable = true;
+  hardware.amdgpu.overdrive.enable = true;
+
+  environment.systemPackages = with pkgs; [
+    radeontop
+    nvtopPackages.amd
+    vulkan-tools
+    vulkan-loader
+    libva-utils
+    vdpauinfo
+  ];
+}