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sys_patch: Drop Metal downgrade for AMD Legacy GCN

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Mykola Grymalyuk
2022-10-16 15:29:07 -06:00
parent f45559a457
commit 1a262c6acf
8 changed files with 45 additions and 23 deletions
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12
resources/sys_patch_helpers.py
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@@ -130,3 +130,15 @@ class sys_patch_helpers:
if (kdk_folder / Path("System/Library/Extensions/System.kext/PlugIns/Libkern.kext/Libkern")).exists():
return kdk_folder
return None
def disable_window_server_caching(self):
# On legacy GCN GPUs, the WindowServer cache generated creates
# corrupted Opaque shaders.
# To work-around this, we disable WindowServer caching
# And force macOS into properly generating the Opaque shaders
print("- Disabling WindowServer Caching")
# Invoke via 'bash -c' to resolve pathing
utilities.elevated(["bash", "-c", "rm -rf /private/var/folders/*/*/*/WindowServer/com.apple.WindowServer"])
# Disable writing to WindowServer folder
utilities.elevated(["bash", "-c", "chflags uchg /private/var/folders/*/*/*/WindowServer"])