Add TeraScale 2 Acceleration

Author: khronokernel

CHANGELOG.md

@@ -37,6 +37,8 @@
   - Big thanks to Jackluke, EduCovas, DhinakG, MykolaG!
 - Add DebugEnhancer for better macOS Monterey logs
   - DebugEnhancer (1.0.3 rolling - 06-08-2021)
+- Add TeraScale 2 Graphics Acceleration to Big Sur
+  - User configurable, those prone to seizures are recommended to avoid or have another setup the machine due to initial colour strobing before forcing Million Colours on the display with SwitchResX or ResXtreme
 
 ## 0.1.6
 - Add XHCI UEFI Driver for 3rd Party USB 3.0 Controllers

OpenCore-Patcher.command

@@ -111,6 +111,7 @@ system_profiler SPHardwareDataType | grep 'Model Identifier'
                 [f"Set Vault Mode:\t\t\tCurrently {self.constants.vault}", CliMenu.MenuOptions(self.constants.custom_model or self.current_model, self.constants).change_vault],
                 [f"Allow FireWire Boot:\t\tCurrently {self.constants.firewire_boot}", CliMenu.MenuOptions(self.constants.custom_model or self.current_model, self.constants).allow_firewire],
                 [f"Allow NVMe Boot:\t\t\tCurrently {self.constants.nvme_boot}", CliMenu.MenuOptions(self.constants.custom_model or self.current_model, self.constants).allow_nvme],
+                [f"Enable TeraScale 2 Acceleration:\tCurrently {self.constants.terscale_2_patch}", CliMenu.MenuOptions(self.constants.custom_model or self.current_model, self.constants).enable_terascale],
                 [f"Disable AMFI:\t\t\tCurrently {self.constants.disable_amfi}", CliMenu.MenuOptions(self.constants.custom_model or self.current_model, self.constants).set_amfi],
                 [f"Set SIP and SecureBootModel:\tSIP: {self.constants.sip_status} SBM: {self.constants.secure_status}", CliMenu.MenuOptions(self.constants.custom_model or self.current_model, self.constants).change_sip],
                 [f"Allow OpenCore on native Models:\tCurrently {self.constants.allow_oc_everywhere}", CliMenu.MenuOptions(self.constants.custom_model or self.current_model, self.constants).allow_native_models],

Resources/CliMenu.py

@@ -493,5 +493,30 @@ def allow_nvme(self):
             self.constants.nvme_boot = True
         elif change_menu == "n":
             self.constants.nvme_boot = False
+        else:
+            print("Invalid option")
+
+
+    def enable_terascale(self):
+        Utilities.cls()
+        Utilities.header(["Enable TeraScale 2 Acceleration"])
+        print("""
+Currently TeraScale 2 graphics acceleration is in beta with
+some unfortunate bugs on login including strobing colours
+until the user forces Million Colours on the Display with
+SwitchResX or resXtreme
+
+Users sensitive to seizures should avoid using TeraScale 2
+patches or ask someone to handle inital setup to ensure
+no issues
+
+Note: Acceleration only applies to macOS Big Sur
+        """)
+
+        change_menu = input("Enable TS2 Acceleration?(y/n): ")
+        if change_menu == "y":
+            self.constants.terscale_2_patch = True
+        elif change_menu == "n":
+            self.constants.terscale_2_patch = False
         else:
             print("Invalid option")

Resources/Constants.py

@@ -86,6 +86,7 @@ def __init__(self):
         self.firewire_boot = False
         self.nvme_boot = False
         self.disable_amfi = False
+        self.terscale_2_patch = False
 
         # OS Versions
         self.tiger = 8

Resources/SysPatch.py

@@ -362,7 +362,8 @@ def detect_gpus(self):
                         self.amfi_must_disable = True
                 # TODO: Enable TS2 support
                 elif dgpu_device in PCIIDArray.amd_ids().terascale_2_ids:
-                    if self.constants.detected_os > self.constants.catalina:
+                    # Requires manual permission from user to avoid medical issues
+                    if self.constants.detected_os > self.constants.catalina and self.constants.terscale_2_patch is True:
                         self.amd_ts2 = True
                         self.amfi_must_disable = True
         if igpu_vendor: