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♻️ Use a single byte to store gradient stop count (wasm)

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This commit is contained in:
Belén Albeza 2025-04-29 14:53:49 +02:00
parent 86a498fc29
commit 8e18a0880e
2 changed files with 5 additions and 3 deletions
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2
frontend/src/app/render_wasm/serializers/fills.cljs
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@ -25,7 +25,7 @@
(.setFloat32 dview (+ offset 12) end-y true)
(.setFloat32 dview (+ offset 16) opacity true)
(.setFloat32 dview (+ offset 20) width true)
(.setUint32 dview (+ offset 24) (count stops) true)
(.setUint8 dview (+ offset 24) (count stops) true)
(loop [stops (seq stops) offset (+ offset GRADIENT-BASE-SIZE)]
(if (empty? stops)
offset

6
render-wasm/src/shapes/fills.rs
View file

@ -17,7 +17,8 @@ pub struct RawGradientData {
end_y: f32,
opacity: f32,
width: f32,
stop_count: u32,
stop_count: u8,
_padding: [u8; 3],
stops: [RawStopData; MAX_GRADIENT_STOPS],
}
@ -30,7 +31,8 @@ impl From<[u8; RAW_GRADIENT_DATA_SIZE]> for RawGradientData {
end_y: f32::from_le_bytes([bytes[12], bytes[13], bytes[14], bytes[15]]),
opacity: f32::from_le_bytes([bytes[16], bytes[17], bytes[18], bytes[19]]),
width: f32::from_le_bytes([bytes[20], bytes[21], bytes[22], bytes[23]]),
stop_count: u32::from_le_bytes([bytes[24], bytes[25], bytes[26], bytes[27]]),
stop_count: bytes[24],
_padding: [0; 3],
// FIXME: 2025-04-22: use `array_chunks` once the next release is out
// and we update our devenv.
// See https://github.com/rust-lang/rust/issues/74985