3dtours
2bfe8f1211
HIGHLIGHT -10 then EXPOSURE +10 brought the bright end straight back to 1.0: a SkPaint runs its shader before its colourFilter, so the exposure matrix on the same paint as the tone shader landed after the tone pass. The note pins the three places that carry the wrong order (exportEngine.ts:328/354, Viewfinder.tsx:1207/1303, RecipescamExportModule.kt steps 2-4), the numbers measured on the fixed web engine, and the matrix -> tone -> cinema fix.
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