just move
This commit is contained in:
Ryan Oldenburg
parent
77701751c3
commit
dad7440e04
1 changed files with 52 additions and 52 deletions
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@ -36,6 +36,58 @@ type
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Mixer* = proc(a, b: ColorRGBA): ColorRGBA
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Mixer* = proc(a, b: ColorRGBA): ColorRGBA
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when defined(release):
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{.push checks: off.}
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proc blendNormalPremultiplied*(backdrop, source: ColorRGBA): ColorRGBA {.inline.} =
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if backdrop.a == 0:
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return source
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if source.a == 255:
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return source
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if source.a == 0:
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return backdrop
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let k = (255 - source.a.uint32)
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result.r = source.r + ((backdrop.r.uint32 * k) div 255).uint8
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result.g = source.g + ((backdrop.g.uint32 * k) div 255).uint8
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result.b = source.b + ((backdrop.b.uint32 * k) div 255).uint8
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result.a = source.a + ((backdrop.a.uint32 * k) div 255).uint8
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when defined(amd64) and not defined(pixieNoSimd):
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proc blendNormalPremultiplied*(backdrop, source: M128i): M128i {.inline.} =
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let
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alphaMask = mm_set1_epi32(cast[int32](0xff000000))
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oddMask = mm_set1_epi16(cast[int16](0xff00))
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div255 = mm_set1_epi16(cast[int16](0x8081))
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# Shortcuts didn't help (backdrop.a == 0, source.a == 0, source.a == 255)
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var
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sourceAlpha = mm_and_si128(source, alphaMask)
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backdropEven = mm_slli_epi16(backdrop, 8)
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backdropOdd = mm_and_si128(backdrop, oddMask)
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sourceAlpha = mm_or_si128(sourceAlpha, mm_srli_epi32(sourceAlpha, 16))
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let k = mm_sub_epi32(
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mm_set1_epi32(cast[int32]([0.uint8, 255, 0, 255])),
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sourceAlpha
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)
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backdropEven = mm_mulhi_epu16(backdropEven, k)
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backdropOdd = mm_mulhi_epu16(backdropOdd, k)
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backdropEven = mm_srli_epi16(mm_mulhi_epu16(backdropEven, div255), 7)
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backdropOdd = mm_srli_epi16(mm_mulhi_epu16(backdropOdd, div255), 7)
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mm_add_epi8(
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source,
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mm_or_si128(backdropEven, mm_slli_epi16(backdropOdd, 8))
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)
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when defined(release):
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{.pop.}
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proc `+`*(a, b: Color): Color {.inline.} =
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proc `+`*(a, b: Color): Color {.inline.} =
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result.r = a.r + b.r
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result.r = a.r + b.r
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result.g = a.g + b.g
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result.g = a.g + b.g
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@ -504,55 +556,3 @@ proc mixer*(blendMode: BlendMode): Mixer =
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of bmSubtractMask: blendSubtractMask
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of bmSubtractMask: blendSubtractMask
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of bmIntersectMask: blendIntersectMask
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of bmIntersectMask: blendIntersectMask
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of bmExcludeMask: blendExcludeMask
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of bmExcludeMask: blendExcludeMask
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when defined(release):
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{.push checks: off.}
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proc blendNormalPremultiplied*(backdrop, source: ColorRGBA): ColorRGBA {.inline.} =
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if backdrop.a == 0:
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return source
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if source.a == 255:
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return source
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if source.a == 0:
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return backdrop
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let k = (255 - source.a.uint32)
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result.r = source.r + ((backdrop.r.uint32 * k) div 255).uint8
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result.g = source.g + ((backdrop.g.uint32 * k) div 255).uint8
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result.b = source.b + ((backdrop.b.uint32 * k) div 255).uint8
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result.a = source.a + ((backdrop.a.uint32 * k) div 255).uint8
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when defined(amd64) and not defined(pixieNoSimd):
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proc blendNormalPremultiplied*(backdrop, source: M128i): M128i {.inline.} =
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let
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alphaMask = mm_set1_epi32(cast[int32](0xff000000))
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oddMask = mm_set1_epi16(cast[int16](0xff00))
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div255 = mm_set1_epi16(cast[int16](0x8081))
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# Shortcuts didn't help (backdrop.a == 0, source.a == 0, source.a == 255)
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var
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sourceAlpha = mm_and_si128(source, alphaMask)
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backdropEven = mm_slli_epi16(backdrop, 8)
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backdropOdd = mm_and_si128(backdrop, oddMask)
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sourceAlpha = mm_or_si128(sourceAlpha, mm_srli_epi32(sourceAlpha, 16))
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let k = mm_sub_epi32(
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mm_set1_epi32(cast[int32]([0.uint8, 255, 0, 255])),
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sourceAlpha
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)
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backdropEven = mm_mulhi_epu16(backdropEven, k)
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backdropOdd = mm_mulhi_epu16(backdropOdd, k)
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backdropEven = mm_srli_epi16(mm_mulhi_epu16(backdropEven, div255), 7)
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backdropOdd = mm_srli_epi16(mm_mulhi_epu16(backdropOdd, div255), 7)
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mm_add_epi8(
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source,
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mm_or_si128(backdropEven, mm_slli_epi16(backdropOdd, 8))
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)
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when defined(release):
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{.pop.}
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