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bmOverwrite

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This commit is contained in:
Ryan Oldenburg 2021-12-12 18:42:01 -06:00
parent 7abe128124
commit 6280af09f0
1 changed files with 42 additions and 25 deletions
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67
src/pixie/paths.nim
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@ -1335,7 +1335,10 @@ proc fillCoverage(
# If the coverages are not all zero
if mm_movemask_epi8(mm_cmpeq_epi32(coverageVec, vec255)) == 0xffff:
# If the coverages are all 255
if blendMode == bmNormal:
if blendMode == bmOverwrite:
for i in 0 ..< 4:
mm_storeu_si128(image.data[index + i * 4].addr, colorVec)
elif blendMode == bmNormal:
if rgbx.a == 255:
for i in 0 ..< 4:
mm_storeu_si128(image.data[index + i * 4].addr, colorVec)
@ -1375,11 +1378,14 @@ proc fillCoverage(
source = mm_or_si128(sourceEven, mm_slli_epi16(sourceOdd, 8))
let backdrop = mm_loadu_si128(image.data[index + i * 4].addr)
mm_storeu_si128(
image.data[index + i * 4].addr,
blendProc(backdrop, source)
)
if blendMode == bmOverwrite:
mm_storeu_si128(image.data[index + i * 4].addr, source)
else:
let backdrop = mm_loadu_si128(image.data[index + i * 4].addr)
mm_storeu_si128(
image.data[index + i * 4].addr,
blendProc(backdrop, source)
)
coverageVec = mm_srli_si128(coverageVec, 4)
@ -1401,13 +1407,18 @@ proc fillCoverage(
if blendMode == bmNormal and coverage == 255 and rgbx.a == 255:
# Skip blending
image.unsafe[x, y] = rgbx
continue
var source = rgbx
if coverage != 255:
source.r = ((source.r.uint32 * coverage) div 255).uint8
source.g = ((source.g.uint32 * coverage) div 255).uint8
source.b = ((source.b.uint32 * coverage) div 255).uint8
source.a = ((source.a.uint32 * coverage) div 255).uint8
if blendMode == bmOverwrite:
image.unsafe[x, y] = source
else:
var source = rgbx
if coverage != 255:
source.r = ((source.r.uint32 * coverage) div 255).uint8
source.g = ((source.g.uint32 * coverage) div 255).uint8
source.b = ((source.b.uint32 * coverage) div 255).uint8
source.a = ((source.a.uint32 * coverage) div 255).uint8
let backdrop = image.unsafe[x, y]
image.unsafe[x, y] = blender(backdrop, source)
elif blendMode == bmMask:
@ -1428,28 +1439,34 @@ proc fillCoverage(
if blendMode.hasSimdMasker():
let
maskerSimd = blendMode.maskerSimd()
zeroVec = mm_setzero_si128()
vecZero = mm_setzero_si128()
for _ in 0 ..< coverages.len div 16:
let
index = mask.dataIndex(x, y)
coverage = mm_loadu_si128(coverages[x - startX].unsafeAddr)
if mm_movemask_epi8(mm_cmpeq_epi16(coverage, zeroVec)) != 0xffff:
coverageVec = mm_loadu_si128(coverages[x - startX].unsafeAddr)
if mm_movemask_epi8(mm_cmpeq_epi16(coverageVec, vecZero)) != 0xffff:
# If the coverages are not all zero
let backdrop = mm_loadu_si128(mask.data[index].addr)
mm_storeu_si128(
mask.data[index].addr,
maskerSimd(backdrop, coverage)
)
if blendMode == bmOverwrite:
mm_storeu_si128(mask.data[index].addr, coverageVec)
else:
let backdrop = mm_loadu_si128(mask.data[index].addr)
mm_storeu_si128(
mask.data[index].addr,
maskerSimd(backdrop, coverageVec)
)
elif blendMode == bmMask:
mm_storeu_si128(mask.data[index].addr, zeroVec)
mm_storeu_si128(mask.data[index].addr, vecZero)
x += 16
let masker = blendMode.masker()
for x in x ..< startX + coverages.len:
let coverage = coverages[x - startX]
if coverage != 0 or blendMode == bmExcludeMask:
let backdrop = mask.unsafe[x, y]
mask.unsafe[x, y] = masker(backdrop, coverage)
if blendMode == bmOverwrite:
mask.unsafe[x, y] = coverage
else:
let backdrop = mask.unsafe[x, y]
mask.unsafe[x, y] = masker(backdrop, coverage)
elif blendMode == bmMask:
mask.unsafe[x, y] = 0
@ -1479,7 +1496,7 @@ proc fillHits(
filledTo = fillStart + fillLen
if blendMode == bmNormal and rgbx.a == 255:
if blendMode == bmOverwrite or (blendMode == bmNormal and rgbx.a == 255):
fillUnsafe(image.data, rgbx, image.dataIndex(fillStart, y), fillLen)
continue
@ -1541,7 +1558,7 @@ proc fillHits(
filledTo = fillStart + fillLen
if blendMode == bmNormal or blendMode == bmOverwrite:
if blendMode in {bmNormal, bmOverwrite}:
fillUnsafe(mask.data, 255, mask.dataIndex(fillStart, y), fillLen)
continue