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Add wrapper backend mode switch and explicit DX12 bridge runtime errors

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Kelsi 2026-03-09 00:45:39 -07:00
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@ -208,6 +208,9 @@ make -j$(nproc)
- In-tree wrapper build:
- `wowee_fsr3_vk_wrapper` now builds automatically when FSR3 SDK headers are present and outputs to `build/bin/libffx_fsr3_vk_wrapper.*`.
- Wrapper backend override (what the wrapper loads underneath): `WOWEE_FSR3_WRAPPER_BACKEND_LIB=/absolute/path/to/libffx_fsr3_vk.so`.
- Wrapper backend mode:
- `WOWEE_FSR3_WRAPPER_BACKEND=vulkan_runtime` (default on non-Windows)
- `WOWEE_FSR3_WRAPPER_BACKEND=dx12_bridge` (default on Windows; bridge dispatch wiring still in progress)
- Path B wrapper libraries must export the clean wrapper ABI (`include/rendering/amd_fsr3_wrapper_abi.h`):
- `wowee_fsr3_wrapper_get_abi_version`
- `wowee_fsr3_wrapper_initialize`