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dragonpilot/tinygrad_repo/tinygrad/runtime/support/webgpu.py
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Vehicle Researcher 161005a0c1 openpilot v0.10.2 release
date: 2025-11-19T19:10:11
master commit: a29fdbd02407d41ecbcc69d151bb4837bfba3cbc
2025-11-19 19:10:16 -08:00

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985 B
Python

import ctypes.util, os, platform, sysconfig
from tinygrad.helpers import system, OSX
WEBGPU_PATH: str | None
if OSX:
if not os.path.exists(brew_prefix:=system("brew --prefix dawn")):
raise FileNotFoundError('dawn library not found. Install it with `brew tap wpmed92/dawn && brew install dawn`')
WEBGPU_PATH = os.path.join(brew_prefix, 'lib', 'libwebgpu_dawn.dylib')
elif platform.system() == "Windows":
if not os.path.exists(pydawn_path:=os.path.join(sysconfig.get_paths()["purelib"], "pydawn")):
raise FileNotFoundError("dawn library not found. Install it with `pip install dawn-python`")
WEBGPU_PATH = os.path.join(pydawn_path, "lib", "libwebgpu_dawn.dll")
else:
if (WEBGPU_PATH:=ctypes.util.find_library('webgpu_dawn')) is None:
raise FileNotFoundError("dawn library not found. " +
"Install it with `sudo curl -L https://github.com/wpmed92/pydawn/releases/download/v0.3.0/" +
f"libwebgpu_dawn_{platform.machine()}.so -o /usr/lib/libwebgpu_dawn.so`")