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actually much faster

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This commit is contained in:
Ryan Oldenburg 2021-01-28 22:36:38 -06:00
parent 9ea66864b1
commit 01fd4eed6d
1 changed files with 5 additions and 3 deletions
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8
src/pixie/blends.nim
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@ -1,5 +1,5 @@
## Blending modes. ## Blending modes.
import chroma, math import chroma, math, common
when defined(amd64) and not defined(pixieNoSimd): when defined(amd64) and not defined(pixieNoSimd):
import nimsimd/sse2 import nimsimd/sse2
@ -384,8 +384,10 @@ proc hardLight(backdrop, source: uint32): uint8 {.inline.} =
screen(backdrop, 2 * source - 255) screen(backdrop, 2 * source - 255)
proc blendNormal(backdrop, source: ColorRGBA): ColorRGBA = proc blendNormal(backdrop, source: ColorRGBA): ColorRGBA =
result = source blendNormalPremultiplied(
result = alphaFix(backdrop, source, result) backdrop.toPremultipliedAlpha(),
source.toPremultipliedAlpha()
).toStraightAlpha()
proc blendDarken(backdrop, source: ColorRGBA): ColorRGBA = proc blendDarken(backdrop, source: ColorRGBA): ColorRGBA =
result.r = min(backdrop.r, source.r) result.r = min(backdrop.r, source.r)