3DMigoto is primarily a modding tool. While it is highly effective for injecting custom models, textures, and shaders into DX11 games like Genshin Impact , it does not natively support "full" DirectX 12 (DX12) functionality .
ShaderCache.ShaderCache\dx12. You will see thousands of .txt files (HLSL). Search for a keyword (e.g., hair, skin, shadow)..txt file. To disable a shader, change the first line: ps_6_0 to ps_6_0 is fine, but add return; at the very top of the main() function. Save the file to ShaderFixes (preserving the hash filename).