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Merge pull request #470 from treeform/dev2

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Fix non-simd magnifyBy2
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Andre von Houck 2022-07-22 11:04:48 -07:00 committed by GitHub
parent bda93fb58c 21ac6af59a
commit 915f74df75
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 4 additions and 5 deletions
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9
src/pixie/masks.nim
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@ -152,18 +152,17 @@ proc magnifyBy2*(mask: Mask, power = 1): Mask {.raises: [PixieError].} =
x += 16
for x in x ..< mask.width:
let
value = mask.unsafe[x, y div scale]
scaledX = x * scale
idx = result.dataIndex(scaledX, y)
value = mask.unsafe[x, y]
resultIdx = result.dataIndex(x * scale, y * scale)
for i in 0 ..< scale:
result.data[idx + i] = value
result.data[resultIdx + i] = value
# Copy that row of values into (scale - 1) more rows
let rowStart = result.dataIndex(0, y * scale)
for i in 1 ..< scale:
copyMem(
result.data[rowStart + result.width * i].addr,
result.data[rowStart].addr,
result.width * 4
result.width
)
proc applyOpacity*(target: Mask, opacity: float32) {.hasSimd, raises: [].} =