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image + (image|mask) works

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Ryan Oldenburg 2021-02-11 22:12:30 -06:00
parent 243f9a3ba1
commit debceb255a
1 changed files with 52 additions and 17 deletions
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69
src/pixie/images.nim
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@ -693,23 +693,58 @@ proc drawUber(a, b: Image | Mask, mat = mat3(), blendMode = bmNormal) =
a.setValueUnsafe(x, y, masker(backdrop, sample))
else:
var x = xMin
# when defined(amd64) and not defined(pixieNoSimd):
# if blendMode.hasSimdBlender():
# if dx.x == 1 and dx.y == 0 and dy.x == 0 and dy.y == 1:
# # Check we are not rotated before using SIMD blends
# let blenderSimd = blendMode.blenderSimd()
# for _ in countup(x, xMax - 4, 4):
# let
# srcPos = p + dx * x.float32 + dy * y.float32
# sx = srcPos.x.int
# sy = srcPos.y.int
# backdrop = mm_loadu_si128(a.data[a.dataIndex(x, y)].addr)
# source = mm_loadu_si128(b.data[b.dataIndex(sx, sy)].addr)
# mm_storeu_si128(
# a.data[a.dataIndex(x, y)].addr,
# blenderSimd(backdrop, source)
# )
# x += 4
when defined(amd64) and not defined(pixieNoSimd):
if dx.x == 1 and dx.y == 0 and dy.x == 0 and dy.y == 1:
# Check we are not rotated before using SIMD blends
when type(a) is Image:
if blendMode.hasSimdBlender():
let
blenderSimd = blendMode.blenderSimd()
first32 = cast[M128i]([uint32.high, 0, 0, 0]) # First 32 bits
alphaMask = mm_set1_epi32(cast[int32](0xff000000)) # Only `a`
for _ in countup(x, xMax - 4, 4):
let
srcPos = p + dx * x.float32 + dy * y.float32
sx = srcPos.x.int
sy = srcPos.y.int
backdrop = mm_loadu_si128(a.data[a.dataIndex(x, y)].addr)
when type(b) is Image:
let source = mm_loadu_si128(b.data[b.dataIndex(sx, sy)].addr)
else: # b is a Mask
# Need to move 4 mask values into the alpha slots
var source = mm_loadu_si128(b.data[b.dataIndex(sx, sy)].addr)
source = mm_slli_si128(source, 2)
source = mm_shuffle_epi32(source, MM_SHUFFLE(1, 1, 0, 0))
var
i = mm_and_si128(source, first32)
j = mm_and_si128(source, mm_slli_si128(first32, 4))
k = mm_and_si128(source, mm_slli_si128(first32, 8))
l = mm_and_si128(source, mm_slli_si128(first32, 12))
# Shift the values to `a`
i = mm_slli_si128(i, 1)
k = mm_slli_si128(k, 3)
l = mm_slli_si128(l, 2)
source = mm_and_si128(
mm_or_si128(mm_or_si128(i, j), mm_or_si128(k, l)),
alphaMask
)
mm_storeu_si128(
a.data[a.dataIndex(x, y)].addr,
blenderSimd(backdrop, source)
)
x += 4
else: # is a Mask
if blendMode.hasSimdMasker():
let maskerSimd = blendMode.maskerSimd()
when type(b) is Image:
discard
else: # b is a Mask
discard
for _ in x ..< xMax:
let