From 271658bf4de678a183aa4cda4881b5f37471ef09 Mon Sep 17 00:00:00 2001
From: Andreas Schaafsma <andreas@subsonics.nl>
Date: Thu, 12 Feb 2026 20:16:32 +0100
Subject: [PATCH] further tweaks

---
 .../drivebystation-nix/hardware/graphics/intel.nix   | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/systems/x86_64-linux/drivebystation-nix/hardware/graphics/intel.nix b/systems/x86_64-linux/drivebystation-nix/hardware/graphics/intel.nix
index cd4ce44..2f86076 100644
--- a/systems/x86_64-linux/drivebystation-nix/hardware/graphics/intel.nix
+++ b/systems/x86_64-linux/drivebystation-nix/hardware/graphics/intel.nix
@@ -53,7 +53,19 @@
   ];
 
   environment.variables = {
+    # Force Intel GPU for all graphics operations
     KWIN_DRM_DEVICES = "/dev/dri/card0";
+    
+    # Vulkan/DXVK optimizations for B580
+    ANV_ENABLE_PIPELINE_CACHE = "1";
+    
+    # Shader cache settings
+    MESA_SHADER_CACHE_DISABLE = "false";
+    MESA_SHADER_CACHE_MAX_SIZE = "10G";
+    
+    # DXVK optimizations
+    DXVK_HUD = "compiler";  # Monitor shader compilation
+    # DXVK_ASYNC = "1";     # Enable if you want async shader compilation (may cause issues)
   };