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pixieNoSimd

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This commit is contained in:
Ryan Oldenburg 2021-01-24 15:26:53 -06:00
parent db0ee90fb2
commit aec3d91109
2 changed files with 10 additions and 7 deletions
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6
src/pixie/blends.nim
View file

@ -1,7 +1,7 @@
## Blending modes.
import chroma, math
when defined(amd64):
when defined(amd64) and not defined(pixieNoSimd):
import nimsimd/sse2
# See https://www.w3.org/TR/compositing-1/
@ -264,7 +264,7 @@ proc blendExcludeMaskFloats*(backdrop, source: Color): Color {.inline.} =
proc blendOverwriteFloats*(backdrop, source: Color): Color {.inline.} =
source
when defined(amd64):
when defined(amd64) and not defined(pixieNoSimd):
proc alphaFix(backdrop, source: ColorRGBA, vb, vs, vm: M128): ColorRGBA =
let
sa = source.a.float32
@ -417,7 +417,7 @@ proc blendSoftLight(backdrop, source: ColorRGBA): ColorRGBA =
# (2 * source * backdrop) div 255
# ).uint8
when defined(amd64):
when defined(amd64) and not defined(pixieNoSimd):
let
vb = mm_setr_ps(backdrop.r.float32, backdrop.g.float32, backdrop.b.float32, 0)
vs = mm_setr_ps(source.r.float32, source.g.float32, source.b.float32, 0)

11
src/pixie/images.nim
View file

@ -1,4 +1,7 @@
import chroma, blends, bumpy, vmath, common, nimsimd/sse2, system/memory
import chroma, blends, bumpy, vmath, common, system/memory
when defined(amd64) and not defined(pixieNoSimd):
import nimsimd/sse2
const h = 0.5.float32
@ -71,7 +74,7 @@ proc fillUnsafe(data: var seq[ColorRGBA], rgba: ColorRGBA, start, len: int) =
nimSetMem(data[start].addr, rgba.r.cint, len * 4)
else:
var i = start
when defined(amd64):
when defined(amd64) and not defined(pixieNoSimd):
# When supported, SIMD fill until we run out of room
let m = mm_set1_epi32(cast[int32](rgba))
for j in countup(i, start + len - 8, 8):
@ -178,7 +181,7 @@ proc draw*(a, b: Image, pos = vec2(0, 0), blendMode = bmNormal) {.inline.}
proc invert*(image: Image) =
## Inverts all of the colors and alpha.
var i: int
when defined(amd64):
when defined(amd64) and not defined(pixieNoSimd):
let vec255 = mm_set1_epi8(255)
while i < image.data.len - 4:
var m = mm_loadu_si128(image.data[i].addr)
@ -196,7 +199,7 @@ proc invert*(image: Image) =
proc toAlphy*(image: Image) =
## Converts an image to premultiplied alpha from straight.
var i: int
when defined(amd64):
when defined(amd64) and not defined(pixieNoSimd):
# When supported, SIMD convert as much as possible
let
alphaMask = mm_set1_epi32(cast[int32](0xff000000))