Optional ReadonlyalphaOptional ReadonlyblendOptional ReadonlycompositionP5 renders into linear scene color before Bloom; other policies fail at compile time.
Optional ReadonlycoverageOptional ReadonlydepthOptional ReadonlydepthOptional ReadonlyfacingOptional ReadonlylightingOptional ReadonlyrenderOptional ReadonlysoftOptional WebGPU scene-depth fade. Depth write must remain disabled.
Optional ReadonlysortOptional ReadonlytextureOptional ReadonlytilesReadonlytypeOptional ReadonlyuvOptional Readonlywidth
Ribbon and trail output compacting adjacent members of each ribbon into dense segments.