perf(compositor): algorithmic optimizations, SSE2 blend + microbenchmark#68

Merged

streamer45 merged 12 commits intovideofrom

devin/1772353607-compositor-perf-optimizations

Mar 1, 2026

Commits on Mar 1, 2026

perf(compositor): add compositor-only microbenchmark

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style: apply rustfmt to compositor_only benchmark

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perf(compositor): cache YUV→RGBA conversions + skip canvas clear

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perf(compositor): precompute x-map to eliminate per-pixel division

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perf(compositor): add identity-scale fast path for 1:1 opaque blits

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perf(compositor): pre-scale image overlays at decode time

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perf(compositor): cache layer configs and skip per-frame sort

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perf(frame_pool): preallocate video pool buckets at startup

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style(compositor): fix clippy warnings from optimization changes

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fix(compositor): address correctness + bench issues from review

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style: apply rustfmt to fix formatting

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perf(compositor): SSE2 blend, alpha-scan cache, bench pool, lazy prealloc

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