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feat(terrain): decode slot material pairs

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Valentin Popov
2026-07-18 17:25:33 +04:00
parent 5577a04a40
commit 7a7578d0db
2 changed files with 73 additions and 2 deletions
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docs/tomes/05-render.md
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@@ -1582,8 +1582,11 @@ preceding slot `+60` call sets its visibility mode. Slot `+16` consumes the
second word as the count of adjacent `u16` pairs and the first as the pair-table
index, then groups the pairs by material lookup before constructing draw work.
`TerrainSlotTable::render_dispatch` exposes exactly those two proven disk
fields. The pair payload, its material key, and the final blend operation remain
unassigned.
fields, while `LandMeshDocument::slot_material_pairs` decodes the selected
type-11 entries as `{ material_lookup: u16, flags: u16 }`. Flag `0x0010` is a
proven batch boundary in `GetShade`; the lookup's mapping to the two WEAR
tables, the meanings of its remaining flags, and the final blend operation
remain unassigned.
The static Vulkan bridge now carries each contiguous face run as a separate
draw range keyed by the original packed `material_tag`; it neither reorders