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QuillCore · Oct 22, 2026

QuillCore 0.4.0

FSR1 (EASU+RCAS) spatial upscale: shrinks vanilla main RenderTarget, runs AMD FidelityFX FSR1 shaders (MIT), restores native res before GUI/HUD.

QuillCore 0.4.0 — AMD FSR1

Works

  • FSR1 (EASU+RCAS) spatial upscale: shrinks vanilla main RenderTarget, runs AMD FidelityFX FSR1 shaders (MIT), restores native res before GUI/HUD.
  • Config / Cloth UI: backend fsr1, quality presets, RCAS sharpness, optional scale override.
  • ./gradlew build test green. xvfb runClient log proof: pipelines registered, mixin applied, fsr1=available.

Stubbed (honest refuse)

  • FSR2 — needs motion vectors / depth / jitter (not available).
  • FSR3 — same; frame generation disabled.
  • XeSS / in-process FrameFX unchanged stubs.

Licenses

  • FSR1 algorithm © AMD, MIT — third_party/amd-fsr1/.
  • FSR2/3 SDKs not vendored.

Limits

  • Sodium may limit main-RT resize — log warns; treat as limited/disabled with Sodium until verified on GPU.
  • No fabricated benches. CSR excluded.

Jar: quillcore-0.4.0.jar (Fabric 1.21.8).

View release and downloads on GitHub

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