Make DXC and DXV use new DxcDllExtValidationLoader to load external validator before validation.#7749
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bob80905 merged 64 commits intoOct 27, 2025
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This PR focuses on allowing dxc to use the existing infrastructure to use a
DxcDllExtValidationLoaderobject, and load an external dxil.dll with it, via the environment variable. The validate*.test was added to verify that the dll is indeed being loaded and used for external validation, which causes a failure, since the dll's validator version is older than the required minimum validator version that the metadata indicates.Fixes #7527