Engineering, operations & design history
Native rendering qualification and nonrepeating tundra artwork
Full repository source: docs/art-direction/display-cache-history-20261104/native-cpu-and-tundra-20261105/review.md
Technical documentation includes historical decisions, proposals and verification reports. For playing instructions and practical rules, open Gameplay.
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Native rendering qualification and nonrepeating tundra artwork
One new full-size Ice Bastion tundra study replaces the repeated geological background while retaining84240exact original subject/contact pixels. Original and final paintings are both preserved. Native artwork review prefers this study;its finite domain and normal Region/Hex role,state,contact,lifecycle and cost checks remain pending.
Three further renderer experiments add24normal views and18exact regular lifecycle maps. The bitmap and direct-original routes remain unselected for the recorded failures. Native-copy/CPU passes independent references,12policy restorations and4complete visible-map/boulder LRU comparisons. It changes the earlier default-context sampling and remains private.
The completed24-case readback-free cost comparison has12balanced pairs across128/192/256MiB emulated source-cache tiers and desktop/phone layouts. It measures only foreground context choice on the published game plus native owner;it excludes preferred fine-ground and alpha9281. See review.json for pair-level CPU,memory and timing results and explicit confounders. No total renderer or physical-device performance approval follows.
No original artist file,source approval,source contract,public renderer,gameplay rule,production save or geography was changed. Every prior readiness gate remains recorded.