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linearScanEnd

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This commit is contained in:
Ryan Oldenburg 2022-06-17 01:09:30 -05:00
parent b59ab89044
commit e11a86dc10
2 changed files with 52 additions and 13 deletions
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45
src/pixie/paths.nim
View file

@ -1340,6 +1340,19 @@ proc fillCoverage(
when allowSimd:
when defined(amd64):
iterator simd(
coverages: seq[uint8], x: var int, startX: int
): (M128i, bool, bool) =
for _ in 0 ..< coverages.len div 16:
let
coverageVec = mm_loadu_si128(coverages[x - startX].unsafeAddr)
eqZero = mm_cmpeq_epi8(coverageVec, mm_setzero_si128())
eq255 = mm_cmpeq_epi8(coverageVec, mm_set1_epi8(cast[int8](255)))
allZeroes = mm_movemask_epi8(eqZero) == 0xffff
all255 = mm_movemask_epi8(eq255) == 0xffff
yield (coverageVec, allZeroes, all255)
x += 16
proc source(colorVec, coverageVec: M128i): M128i {.inline.} =
let
oddMask = mm_set1_epi16(cast[int16](0xff00))
@ -1357,19 +1370,6 @@ proc fillCoverage(
sourceOdd = mm_srli_epi16(mm_mulhi_epu16(sourceOdd, div255), 7)
result = mm_or_si128(sourceEven, mm_slli_epi16(sourceOdd, 8))
iterator simd(
coverages: seq[uint8], x: var int, startX: int
): (M128i, bool, bool) =
for _ in 0 ..< coverages.len div 16:
let
coverageVec = mm_loadu_si128(coverages[x - startX].unsafeAddr)
eqZero = mm_cmpeq_epi8(coverageVec, mm_setzero_si128())
eq255 = mm_cmpeq_epi8(coverageVec, mm_set1_epi8(cast[int8](255)))
allZeroes = mm_movemask_epi8(eqZero) == 0xffff
all255 = mm_movemask_epi8(eq255) == 0xffff
yield (coverageVec, allZeroes, all255)
x += 16
let colorVec = mm_set1_epi32(cast[int32](rgbx))
proc source(rgbx: ColorRGBX, coverage: uint8): ColorRGBX {.inline.} =
@ -1434,6 +1434,8 @@ proc fillCoverage(
image.unsafe[x, y] = blendNormal(backdrop, source(rgbx, coverage))
of MaskBlend:
{.linearScanEnd.}
when allowSimd:
when defined(amd64):
for (coverageVec, allZeroes, all255) in simd(coverages, x, startX):
@ -1611,6 +1613,8 @@ proc fillHits(
image.unsafe[x, y] = blendNormal(backdrop, rgbx)
of MaskBlend:
{.linearScanEnd.}
var filledTo = startX
for (start, len) in hits.walkInteger(numHits, windingRule, y, image.width):
block: # Clear any gap between this fill and the previous fill
@ -1634,6 +1638,21 @@ proc fillHits(
image.clearUnsafe(0, y, startX, y)
image.clearUnsafe(filledTo, y, image.width, y)
of SubtractMaskBlend:
for (start, len) in hits.walkInteger(numHits, windingRule, y, image.width):
for x in start ..< start + len:
if rgbx.a == 255:
image.unsafe[x, y] = rgbx(0, 0, 0, 0)
else:
let backdrop = image.unsafe[x, y]
image.unsafe[x, y] = blendSubtractMask(backdrop, rgbx)
of ExcludeMaskBlend:
for (start, len) in hits.walkInteger(numHits, windingRule, y, image.width):
for x in start ..< start + len:
let backdrop = image.unsafe[x, y]
image.unsafe[x, y] = blendExcludeMask(backdrop, rgbx)
else:
let blender = blendMode.blender()
for (start, len) in hits.walkInteger(numHits, windingRule, y, image.width):

20
tests/benchmark_paths.nim
View file

@ -47,6 +47,16 @@ block:
image.fill(rgbx(255, 255, 255, 255))
image.fillPath(rect, paint)
timeIt "rect Image SubtractMaskBlend":
paint.blendMode = SubtractMaskBlend
image.fill(rgbx(255, 255, 255, 255))
image.fillPath(rect, paint)
timeIt "rect Image ExcludeMaskBlend":
paint.blendMode = ExcludeMaskBlend
image.fill(rgbx(255, 255, 255, 255))
image.fillPath(rect, paint)
timeIt "roundedRect Image OverwriteBlend":
paint.blendMode = OverwriteBlend
image.fillPath(roundedRect, paint)
@ -60,6 +70,16 @@ block:
image.fill(rgbx(255, 255, 255, 255))
image.fillPath(roundedRect, paint)
timeIt "roundedRect Image SubtractMaskBlend":
paint.blendMode = SubtractMaskBlend
image.fill(rgbx(255, 255, 255, 255))
image.fillPath(roundedRect, paint)
timeIt "roundedRect Image ExcludeMaskBlend":
paint.blendMode = ExcludeMaskBlend
image.fill(rgbx(255, 255, 255, 255))
image.fillPath(roundedRect, paint)
block:
let mask = newMask(width, height)