Shimming d3d12.dll for fun and profit

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⚠ Deprecation notice (2026-05-26): The DLL shimming method described in this post no longer works, as Chrome has restricted custom DLL loading. A new approach using a launcher executable is now available, read about it in part 2, or jump straight to the updated usage instructions in the companion blog post. Why would anyone do this? I have been playing around with WebGPU recently, writing a toy…

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