Add option to enable ACO shader compiler on Mesa >= 19.3

debian/changelog

@@ -2,6 +2,8 @@ lutris (0.5.5) eoan; urgency=medium
 
   * Initial support for Humble Bundle
   * Add resolution switching support for Wayland (Mutter only)
+  * Add option to enable ACO shader compiler on Mesa >= 19.3
+  * Add initial support for Humble Bundle
   * DXVK is enabled by default
   * Add initial support for VKD3D
   * Migrate D9VK configs to use DXVK
@@ -11,7 +13,6 @@ lutris (0.5.5) eoan; urgency=medium
   * Better handle authentication failure for GOG
   * Fix case issue with key lookup in Steam VDF files
   * Add Yuzu runner
-  * Add initial support for Humble Bundle
   * Add bsnes-hd beta and smsplus libretro cores
   * Add sound device option for Mednafen
   * Remove bundled winetricks

lutris/game.py

@@ -443,6 +443,9 @@ class Game(GObject.Object):
             ).communicate()
             xkbcomp.communicate()
 
+        if system_config.get("aco"):
+            env["RADV_PERFTEST"] = "aco"
+
         pulse_latency = system_config.get("pulse_latency")
         if pulse_latency:
             env["PULSE_LATENCY_MSEC"] = "60"

lutris/sysoptions.py

@@ -219,6 +219,16 @@ system_options = [  # pylint: disable=invalid-name
         "condition": bool(system.find_executable("strangle")),
         "help": "Limit the game's fps to desired number",
     },
+    {
+        "option": "aco",
+        "type": "bool",
+        "label": "Enable ACO shader compiler",
+        "condition": system.LINUX_SYSTEM.is_feature_supported("ACO"),
+        "help": (
+            "Enable ACO shader compiler, improving performance in a lot of games. "
+            "Requires Mesa 19.3 or later."
+        )
+    },
     {
         "option": "gamemode",
         "type": "bool",

lutris/util/linux.py

@@ -364,6 +364,12 @@ class LinuxSystem:
 
     def is_feature_supported(self, feature):
         """Return whether the system has the necessary libs to support a feature"""
+        if feature == "ACO":
+            try:
+                mesa_version = LINUX_SYSTEM.glxinfo.GLX_MESA_query_renderer.version
+                return mesa_version >= "19.3"
+            except AttributeError:
+                return False
         return not self.get_missing_requirement_libs(feature)[0]