Refactored Convolution2DProcessor<TPixel>

src/ImageSharp/Processing/Processors/Convolution/Convolution2DProcessor{TPixel}.cs

@@ -65,9 +65,9 @@ namespace SixLabors.ImageSharp.Processing.Processors.Convolution
             source.CopyTo(targetPixels);
 
             var interest = Rectangle.Intersect(this.SourceRectangle, source.Bounds());
-            var operation = new RowIntervalOperation(interest, targetPixels, source.PixelBuffer, this.KernelY, this.KernelX, this.Configuration, this.PreserveAlpha);
+            var operation = new RowOperation(interest, targetPixels, source.PixelBuffer, this.KernelY, this.KernelX, this.Configuration, this.PreserveAlpha);
 
-            ParallelRowIterator.IterateRowIntervals<RowIntervalOperation, Vector4>(
+            ParallelRowIterator.IterateRows<RowOperation, Vector4>(
                 this.Configuration,
                 interest,
                 in operation);
@@ -78,7 +78,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Convolution
         /// <summary>
         /// A <see langword="struct"/> implementing the convolution logic for <see cref="Convolution2DProcessor{T}"/>.
         /// </summary>
-        private readonly struct RowIntervalOperation : IRowIntervalOperation<Vector4>
+        private readonly struct RowOperation : IRowOperation<Vector4>
         {
             private readonly Rectangle bounds;
             private readonly int maxY;
@@ -91,7 +91,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Convolution
             private readonly bool preserveAlpha;
 
             [MethodImpl(InliningOptions.ShortMethod)]
-            public RowIntervalOperation(
+            public RowOperation(
                 Rectangle bounds,
                 Buffer2D<TPixel> targetPixels,
                 Buffer2D<TPixel> sourcePixels,
@@ -113,12 +113,9 @@ namespace SixLabors.ImageSharp.Processing.Processors.Convolution
 
             /// <inheritdoc/>
             [MethodImpl(InliningOptions.ShortMethod)]
-            public void Invoke(in RowInterval rows, Span<Vector4> span)
+            public void Invoke(int y, Span<Vector4> span)
             {
                 ref Vector4 spanRef = ref MemoryMarshal.GetReference(span);
-
-                for (int y = rows.Min; y < rows.Max; y++)
-                {
                 Span<TPixel> targetRowSpan = this.targetPixels.GetRowSpan(y).Slice(this.bounds.X);
                 PixelOperations<TPixel>.Instance.ToVector4(this.configuration, targetRowSpan.Slice(0, span.Length), span);
 
@@ -162,4 +159,3 @@ namespace SixLabors.ImageSharp.Processing.Processors.Convolution
         }
     }
 }
-}