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Use nint and rename scalar fallback

pull/1830/head
James Jackson-South 5 years ago
parent
b53aab44b3
commit
00d20b8ee5
1 changed files with 28 additions and 28 deletions
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  1. 56
      src/ImageSharp/Formats/Webp/Lossless/LosslessUtils.cs

56
src/ImageSharp/Formats/Webp/Lossless/LosslessUtils.cs
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@ -128,7 +128,7 @@ namespace SixLabors.ImageSharp.Formats.Webp.Lossless
if (Avx2.IsSupported)
{
int numPixels = pixelData.Length;
int i;
nint i;
for (i = 0; i <= numPixels - 8; i += 8)
{
ref uint pos = ref Unsafe.Add(ref MemoryMarshal.GetReference(pixelData), i);
@ -140,13 +140,13 @@ namespace SixLabors.ImageSharp.Formats.Webp.Lossless
if (i != numPixels)
{
AddGreenToBlueAndRedNoneVectorized(pixelData.Slice(i));
AddGreenToBlueAndRedScalar(pixelData.Slice((int)i));
}
}
else if (Ssse3.IsSupported)
{
int numPixels = pixelData.Length;
int i;
nint i;
for (i = 0; i <= numPixels - 4; i += 4)
{
ref uint pos = ref Unsafe.Add(ref MemoryMarshal.GetReference(pixelData), i);
@ -158,13 +158,13 @@ namespace SixLabors.ImageSharp.Formats.Webp.Lossless
if (i != numPixels)
{
AddGreenToBlueAndRedNoneVectorized(pixelData.Slice(i));
AddGreenToBlueAndRedScalar(pixelData.Slice((int)i));
}
}
else if (Sse2.IsSupported)
{
int numPixels = pixelData.Length;
int i;
nint i;
for (i = 0; i <= numPixels - 4; i += 4)
{
ref uint pos = ref Unsafe.Add(ref MemoryMarshal.GetReference(pixelData), i);
@ -178,17 +178,17 @@ namespace SixLabors.ImageSharp.Formats.Webp.Lossless
if (i != numPixels)
{
AddGreenToBlueAndRedNoneVectorized(pixelData.Slice(i));
AddGreenToBlueAndRedScalar(pixelData.Slice((int)i));
}
}
else
#endif
{
AddGreenToBlueAndRedNoneVectorized(pixelData);
AddGreenToBlueAndRedScalar(pixelData);
}
}
private static void AddGreenToBlueAndRedNoneVectorized(Span<uint> pixelData)
private static void AddGreenToBlueAndRedScalar(Span<uint> pixelData)
{
int numPixels = pixelData.Length;
for (int i = 0; i < numPixels; i++)
@ -208,7 +208,7 @@ namespace SixLabors.ImageSharp.Formats.Webp.Lossless
if (Avx2.IsSupported)
{
int numPixels = pixelData.Length;
int i;
nint i;
for (i = 0; i <= numPixels - 8; i += 8)
{
ref uint pos = ref Unsafe.Add(ref MemoryMarshal.GetReference(pixelData), i);
@ -220,13 +220,13 @@ namespace SixLabors.ImageSharp.Formats.Webp.Lossless
if (i != numPixels)
{
SubtractGreenFromBlueAndRedNoneVectorized(pixelData.Slice(i));
SubtractGreenFromBlueAndRedScalar(pixelData.Slice((int)i));
}
}
else if (Ssse3.IsSupported)
{
int numPixels = pixelData.Length;
int i;
nint i;
for (i = 0; i <= numPixels - 4; i += 4)
{
ref uint pos = ref Unsafe.Add(ref MemoryMarshal.GetReference(pixelData), i);
@ -238,13 +238,13 @@ namespace SixLabors.ImageSharp.Formats.Webp.Lossless
if (i != numPixels)
{
SubtractGreenFromBlueAndRedNoneVectorized(pixelData.Slice(i));
SubtractGreenFromBlueAndRedScalar(pixelData.Slice((int)i));
}
}
else if (Sse2.IsSupported)
{
int numPixels = pixelData.Length;
int i;
nint i;
for (i = 0; i <= numPixels - 4; i += 4)
{
ref uint pos = ref Unsafe.Add(ref MemoryMarshal.GetReference(pixelData), i);
@ -258,17 +258,17 @@ namespace SixLabors.ImageSharp.Formats.Webp.Lossless
if (i != numPixels)
{
SubtractGreenFromBlueAndRedNoneVectorized(pixelData.Slice(i));
SubtractGreenFromBlueAndRedScalar(pixelData.Slice((int)i));
}
}
else
#endif
{
SubtractGreenFromBlueAndRedNoneVectorized(pixelData);
SubtractGreenFromBlueAndRedScalar(pixelData);
}
}
private static void SubtractGreenFromBlueAndRedNoneVectorized(Span<uint> pixelData)
private static void SubtractGreenFromBlueAndRedScalar(Span<uint> pixelData)
{
int numPixels = pixelData.Length;
for (int i = 0; i < numPixels; i++)
@ -401,7 +401,7 @@ namespace SixLabors.ImageSharp.Formats.Webp.Lossless
Vector256<int> multsrb = MkCst32(Cst5b(m.GreenToRed), Cst5b(m.GreenToBlue));
Vector256<int> multsb2 = MkCst32(Cst5b(m.RedToBlue), 0);
int idx;
nint idx;
for (idx = 0; idx <= numPixels - 8; idx += 8)
{
ref uint pos = ref Unsafe.Add(ref MemoryMarshal.GetReference(pixelData), idx);
@ -421,14 +421,14 @@ namespace SixLabors.ImageSharp.Formats.Webp.Lossless
if (idx != numPixels)
{
TransformColorNoneVectorized(m, pixelData.Slice(idx), numPixels - idx);
TransformColorScalar(m, pixelData.Slice((int)idx), numPixels - (int)idx);
}
}
else if (Sse2.IsSupported)
{
Vector128<int> multsrb = MkCst16(Cst5b(m.GreenToRed), Cst5b(m.GreenToBlue));
Vector128<int> multsb2 = MkCst16(Cst5b(m.RedToBlue), 0);
int idx;
nint idx;
for (idx = 0; idx <= numPixels - 4; idx += 4)
{
ref uint pos = ref Unsafe.Add(ref MemoryMarshal.GetReference(pixelData), idx);
@ -448,17 +448,17 @@ namespace SixLabors.ImageSharp.Formats.Webp.Lossless
if (idx != numPixels)
{
TransformColorNoneVectorized(m, pixelData.Slice(idx), numPixels - idx);
TransformColorScalar(m, pixelData.Slice((int)idx), numPixels - (int)idx);
}
}
else
#endif
{
TransformColorNoneVectorized(m, pixelData, numPixels);
TransformColorScalar(m, pixelData, numPixels);
}
}
private static void TransformColorNoneVectorized(Vp8LMultipliers m, Span<uint> data, int numPixels)
private static void TransformColorScalar(Vp8LMultipliers m, Span<uint> data, int numPixels)
{
for (int i = 0; i < numPixels; i++)
{
@ -488,7 +488,7 @@ namespace SixLabors.ImageSharp.Formats.Webp.Lossless
{
Vector256<int> multsrb = MkCst32(Cst5b(m.GreenToRed), Cst5b(m.GreenToBlue));
Vector256<int> multsb2 = MkCst32(Cst5b(m.RedToBlue), 0);
int idx;
nint idx;
for (idx = 0; idx <= pixelData.Length - 8; idx += 8)
{
ref uint pos = ref Unsafe.Add(ref MemoryMarshal.GetReference(pixelData), idx);
@ -509,7 +509,7 @@ namespace SixLabors.ImageSharp.Formats.Webp.Lossless
if (idx != pixelData.Length)
{
TransformColorInverseNoneVectorized(m, pixelData.Slice(idx));
TransformColorInverseScalar(m, pixelData.Slice((int)idx));
}
}
else if (Sse2.IsSupported)
@ -517,7 +517,7 @@ namespace SixLabors.ImageSharp.Formats.Webp.Lossless
Vector128<int> multsrb = MkCst16(Cst5b(m.GreenToRed), Cst5b(m.GreenToBlue));
Vector128<int> multsb2 = MkCst16(Cst5b(m.RedToBlue), 0);
int idx;
nint idx;
for (idx = 0; idx <= pixelData.Length - 4; idx += 4)
{
ref uint pos = ref Unsafe.Add(ref MemoryMarshal.GetReference(pixelData), idx);
@ -538,17 +538,17 @@ namespace SixLabors.ImageSharp.Formats.Webp.Lossless
if (idx != pixelData.Length)
{
TransformColorInverseNoneVectorized(m, pixelData.Slice(idx));
TransformColorInverseScalar(m, pixelData.Slice((int)idx));
}
}
else
#endif
{
TransformColorInverseNoneVectorized(m, pixelData);
TransformColorInverseScalar(m, pixelData);
}
}
private static void TransformColorInverseNoneVectorized(Vp8LMultipliers m, Span<uint> pixelData)
private static void TransformColorInverseScalar(Vp8LMultipliers m, Span<uint> pixelData)
{
for (int i = 0; i < pixelData.Length; i++)
{

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