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✨ Improve memory write operations on set-grid-layout-rows

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This commit is contained in:
Andrey Antukh 2025-08-12 10:32:35 +02:00
parent 129d3e61fa
commit 761a0a7009
1 changed files with 16 additions and 11 deletions
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27
frontend/src/app/render_wasm/api.cljs
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@ -8,6 +8,7 @@
"A WASM based render API"
(:require
["react-dom/server" :as rds]
[app.common.buffer :as buf]
[app.common.data :as d :refer [not-empty?]]
[app.common.data.macros :as dm]
[app.common.types.fills :as types.fills]
@ -451,18 +452,22 @@
(defn set-grid-layout-rows
[entries]
(let [size (mem/get-alloc-size entries GRID-LAYOUT-ROW-U8-SIZE)
offset (mem/alloc size)
heap (-> (mem/get-heap-u8)
(mem/view offset size))]
(let [size (mem/get-alloc-size entries GRID-LAYOUT-ROW-U8-SIZE)
offset (mem/alloc size)
heapu8 (mem/get-heap-u8)
buffer (buf/wrap heapu8)]
(reduce (fn [offset {:keys [type value]}]
;; NOTE: because the not well alligned nature of grid
;; row data structure, we use buffer/dataview way for
;; write data instead of the used to way of secuentally
;; write chaining the offset.
(buf/write-byte buffer (+ offset 0) (sr/translate-grid-track-type type))
(buf/write-float buffer (+ offset 1) value)
(+ offset GRID-LAYOUT-ROW-U8-SIZE))
offset
entries)
(loop [entries (seq entries)
current-offset 0]
(when-not (empty? entries)
(let [{:keys [type value]} (first entries)]
(.set heap (sr/u8 (sr/translate-grid-track-type type)) (+ current-offset 0))
(.set heap (sr/f32->u8 value) (+ current-offset 1))
(recur (rest entries) (+ current-offset GRID-LAYOUT-ROW-U8-SIZE)))))
(h/call wasm/internal-module "_set_grid_rows")))
(defn set-grid-layout-columns