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Add FSR3 Generic API path and harden runtime diagnostics

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- AmdFsr3Runtime now probes both the legacy ffxFsr3* API and the newer
  generic ffxCreateContext/ffxDispatch API; selects whichever the loaded
  runtime library exports (GenericApi takes priority fallback)
- Generic API path implements full upscale + frame-generation context
  creation, configure, dispatch, and destroy lifecycle
- dlopen error captured and surfaced in lastError_ on Linux so runtime
  initialization failures are actionable
- FSR3 runtime init failure log now includes path kind, error string,
  and loaded library path for easier debugging
- tools/generate_ffx_sdk_vk_permutations.sh added: auto-bootstraps
  missing VK permutation headers; DXC auto-downloaded on Linux/Windows
  MSYS2; macOS reads from PATH (CI installs via brew dxc)
- CMakeLists: add upscalers/include to probe include dirs, invoke
  permutation script before SDK build, scope FFX pragma/ODR warning
  suppressions to affected TUs, add runtime-copy dependency on wowee
- UI labels updated from "FSR2" → "FSR3" in settings, tuning panel,
  performance HUD, and combo boxes
- CI macOS job now installs dxc via Homebrew for permutation codegen
This commit is contained in:
Kelsi 2026-03-09 12:51:59 -07:00
parent ae48e4d7a6
commit bae32c1823
11 changed files with 537 additions and 16 deletions
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5
docs/AMD_FSR2_INTEGRATION.md
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@ -42,6 +42,7 @@ Runtime note:
- Renderer/UI expose a persisted experimental framegen toggle.
- Runtime loader is Path A only (official AMD runtime library).
- Path A runtime build now auto-runs `tools/generate_ffx_sdk_vk_permutations.sh` to ensure required VK permutation headers exist for FSR2/FSR3 upscaler shader blobs.
- You can point to an explicit runtime binary with:
- `WOWEE_FFX_SDK_RUNTIME_LIB=/absolute/path/to/libffx_fsr3_vk.so` (or `.dll` / `.dylib`).
- If no official runtime is found, frame generation is disabled cleanly (Path C).
@ -76,6 +77,10 @@ Runtime note:
- `framegeneration/fsr3/include/ffx_frameinterpolation.h`
- `framegeneration/fsr3/include/ffx_opticalflow.h`
- `backend/vk/ffx_vk.h`
- Runtime build path auto-bootstrap:
- Linux downloads DXC automatically when missing.
- Windows (MSYS2) downloads DXC automatically when missing.
- macOS expects `dxc` to be available in `PATH` (CI installs it via Homebrew).
- CI builds `wowee_fsr3_framegen_amd_vk_probe` when that target is generated by CMake for the detected SDK layout.
- Some upstream SDK checkouts do not include generated Vulkan permutation headers.
- WoWee bootstraps those headers from the vendored snapshot so AMD backend builds remain cross-platform and deterministic.