Allow Legacy Acceleration Patches on Mac Pros and Xserves

CHANGELOG.md

@@ -10,6 +10,7 @@
   - Note ATI/AMD TeraScale 2 unsupported (HD 5/6000)
 - Add better kmutil crash handling
 - Fix build crashing when no wifi card is present
+- Allow Legacy Acceleration Patches on Mac Pros and Xserves
 
 ## 0.1.0
 - Fix crash on iMacs with Metal GPUs

OpenCore-Patcher.command

@@ -93,6 +93,7 @@ system_profiler SPHardwareDataType | grep 'Model Identifier'
                 [f"DRM Preferences:\t\t\tCurrently {self.constants.drm_support}", CliMenu.MenuOptions(self.constants.custom_model or self.current_model, self.constants).drm_setting],
                 [f"Set Generic Bootstrap:\t\t{self.constants.boot_efi}", CliMenu.MenuOptions(self.constants.custom_model or self.current_model, self.constants).bootstrap_setting],
                 [f"Set Accleration Patches:\t\t{self.constants.legacy_acceleration_patch}", CliMenu.MenuOptions(self.constants.custom_model or self.current_model, self.constants).accel_setting],
+                [f"Assume Legacy GPU:\t\t\t{self.constants.assume_legacy}", CliMenu.MenuOptions(self.constants.custom_model or self.current_model, self.constants).force_accel_setting],
             ]
 
             for option in options:

Resources/CliMenu.py

@@ -293,5 +293,22 @@ important data backed up in case of emergencies
             self.constants.legacy_acceleration_patch = True
         elif change_menu in {"n", "N", "no", "No"}:
             self.constants.legacy_acceleration_patch = False
+        else:
+            print("Invalid option")
+
+
+    def force_accel_setting(self):
+        Utilities.cls()
+        Utilities.header(["Assume Legacy GPU"])
+        print("""Allows any model to force install Legacy Acceleration
+patches. Only required for Mac Pro and Xserve users.
+
+DO NOT RUN IF METAL GPU IS INSTALLED
+        """)
+        change_menu = input("Enable Beta Acceleration Patches(y/n): ")
+        if change_menu in {"y", "Y", "yes", "Yes"}:
+            self.constants.assume_legacy = True
+        elif change_menu in {"n", "N", "no", "No"}:
+            self.constants.assume_legacy = False
         else:
             print("Invalid option")

Resources/Constants.py

@@ -71,6 +71,7 @@ class Constants:
         self.boot_efi = False
         self.drm_support = False
         self.legacy_acceleration_patch = False
+        self.assume_legacy = False
 
         # OS Versions
         self.tiger = 8

Resources/SysPatch.py

@@ -205,7 +205,7 @@ class PatchSysVolume:
         print("- Preparing Files")
         subprocess.run(f"sudo find {self.constants.payload_apple_root_path} -name '.DS_Store' -delete".split(), stdout=subprocess.PIPE).stdout.decode().strip().encode()
 
-        if self.model in ModelArray.LegacyGPU:
+        if self.model in ModelArray.LegacyGPU or self.constants.assume_legacy is True:
             self.check_pciid()
             if self.dgpu_devices and self.dgpu_vendor == self.constants.pci_amd_ati and self.dgpu_device in ModelArray.AMDMXMGPUs:
                 print("- Detected Metal-based AMD GPU, skipping legacy patches")
@@ -351,7 +351,7 @@ class PatchSysVolume:
         # Check SIP
         if self.constants.custom_model is not None:
             print("Root Patching must be done on target machine!")
-        elif self.model in ModelArray.NoRootPatch11:
+        elif self.model in ModelArray.NoRootPatch11 and self.constants.assume_legacy is False:
             print("Root Patching not required for this machine!")
         elif self.model not in ModelArray.SupportedSMBIOS:
             print("Cannot run on this machine, model is unsupported!")