perf(render): --photoreal in seconds, not minutes (rose-pro 184.7 s → 7.2 s warm) - #825

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ecto merged 14 commits into

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claude/photoreal-fast

Aug 20, 2026

Commits on Aug 20, 2026

perf(render): --photoreal traces a cached tessellation; --exact keeps the BRep

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3f48659
test(render): PSNR/SSIM harness for photoreal sampling changes

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4a70ea0
perf(raytrace): trace in 16x16 tiles instead of scanlines

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perf(raytrace): stratify the camera dimensions (Hammersley + CP rotation)

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perf(raytrace): adaptive per-pixel sampling, on by default (--no-adaptive)

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perf(raytrace): cache each face's trim polygon in the BVH (--exact)

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perf(raytrace): return surface hits in a SmallVec, not a fresh Vec

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raytrace/gpu: fail closed on geometry the GPU tracer cannot render

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raytrace/gpu: render_offline -- upload once, accumulate N spp, read back HDR once

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99d4ff5
raytrace/gpu: trace triangle meshes, packed into the surface array

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render: `--photoreal --gpu` end to end

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render/raytrace: make two invariants say so in the code

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c992bc8
chore: cargo fmt

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24c2213
raytrace/render: as_chunks for the fixed-width pixel and vertex strides

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6e72732