Add missing premultiply

SixLabors · Nov 17, 2021 · 2019922 · 2019922
1 parent 69c30f8
commit 2019922
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/ImageSharp/Processing/Processors/Convolution/Convolution2PassProcessor{TPixel}.cs b/src/ImageSharp/Processing/Processors/Convolution/Convolution2PassProcessor{TPixel}.cs
@@ -396,6 +396,8 @@ private void Convolve4(int y, Span<Vector4> span)
 
                     PixelOperations<TPixel>.Instance.ToVector4(this.configuration, sourceRow, sourceBuffer);
 
+                    Numerics.Premultiply(sourceBuffer);
+
                     ref Vector4 sourceBase = ref MemoryMarshal.GetReference(sourceBuffer);
                     ref Vector4 sourceEnd = ref Unsafe.Add(ref sourceBase, sourceBuffer.Length);
                     ref Vector4 targetStart = ref targetBase;