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Roadmap

go-gfx is a young foundation extracted from primitives that already existed, scattered, across the fleet. The plan is to land the substrate package by package, wiring each consumer over as its package stabilizes — incrementally, never big-bang (go-widgets/painter in particular is co-edited live and migrates one primitive at a time).

Now — bootstrapping

  • Module skeleton — github.com/go-gfx/gfx, Go floor 1.26.4, BSD-3-Clause, the package boundary documented.
  • resample — the first landing package: box/area, bicubic (Catmull-Rom) and Lanczos, separable and weight-precomputed, validated against the naive 2-D definition and reference implementations.
  • raster + color (premultiplied alpha) — the pixel-buffer substrate and the colour math resample composites through.

Next — shared codecs

  • codec — PNG, JPEG, WebP, ICO, ICNS, GIF, TIFF, subsuming the hand-rolled ICNS/ICO decoding the desktop stack carries today.
  • Wire go-images resize + the desktop thumbnailer onto resample.

Then — geometry & vector

  • geometry — points, rectangles, affine transforms.
  • vector — paths, anti-aliased rasterizer, strokes, gradients — the engine go-widgets/painter hand-rolls today, migrated incrementally.

Throughout — the quality bar

  • CGO_ENABLED=0 across the org; no Skia, no Cairo, no native shims.
  • Zero third-party dependencies (go-asmgen only at generation time).
  • 100% statement coverage, including error branches, gated in CI.
  • Six architectures — build + test on amd64 / arm64 natively and loong64 / riscv64 / ppc64le / s390x under qemu.
  • SIMD hot kernels via go-asmgen where they earn their keep, each validated bit-for-bit against a scalar oracle.