MyouProject/pixie
3
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

working int impl

Browse source
This commit is contained in:
Ryan Oldenburg 2021-01-29 14:07:26 -06:00
parent 8a32512567
commit 74fcf2a9f2
1 changed files with 10 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
src/pixie/blends.nim
View file

@ -554,13 +554,6 @@ proc blendHardLight(backdrop, source: ColorRGBA): ColorRGBA =
result = result.toStraightAlpha()
proc blendSoftLight(backdrop, source: ColorRGBA): ColorRGBA =
# proc softLight(backdrop, source: int32): uint8 {.inline.} =
# ## Pegtop
# (
# ((255 - 2 * source) * backdrop ^ 2) div 255 ^ 2 +
# (2 * source * backdrop) div 255
# ).uint8
when defined(amd64) and not defined(pixieNoSimd):
let
vb = mm_setr_ps(backdrop.r.float32, backdrop.g.float32, backdrop.b.float32, 0)
@ -577,6 +570,16 @@ proc blendSoftLight(backdrop, source: ColorRGBA): ColorRGBA =
result = alphaFix(backdrop, source, vb, vs, vm)
else:
blendSoftLightFloats(backdrop.color, source.color).rgba
# proc softLight(backdrop, source: int32): uint8 {.inline.} =
# ## Pegtop
# (
# ((255 - 2 * source) * (backdrop ^ 2)) div (255 ^ 2) +
# (2 * source * backdrop) div 255
# ).uint8
# result.r = softLight(backdrop.r.int32, source.r.int32)
# result.g = softLight(backdrop.g.int32, source.g.int32)
# result.b = softLight(backdrop.b.int32, source.b.int32)
# result = alphaFix(backdrop, source, result)
proc blendDifference(backdrop, source: ColorRGBA): ColorRGBA =
let