fix Benchmarks project

tests/ImageSharp.Benchmarks/Color/Bulk/ToVector4.cs

@@ -36,8 +36,8 @@ namespace SixLabors.ImageSharp.Benchmarks.ColorSpaces.Bulk
         [Benchmark(Baseline = true)]
         public void PerElement()
         {
-            Span<TPixel> s = this.source.Span;
-            Span<Vector4> d = this.destination.Span;
+            Span<TPixel> s = this.source.GetSpan();
+            Span<Vector4> d = this.destination.GetSpan();
 
             for (int i = 0; i < this.Count; i++)
             {
@@ -49,13 +49,13 @@ namespace SixLabors.ImageSharp.Benchmarks.ColorSpaces.Bulk
         [Benchmark]
         public void CommonBulk()
         {
-            new PixelOperations<TPixel>().ToVector4(this.source.Span, this.destination.Span, this.Count);
+            new PixelOperations<TPixel>().ToVector4(this.source.GetSpan(), this.destination.GetSpan(), this.Count);
         }
 
         [Benchmark]
         public void OptimizedBulk()
         {
-            PixelOperations<TPixel>.Instance.ToVector4(this.source.Span, this.destination.Span, this.Count);
+            PixelOperations<TPixel>.Instance.ToVector4(this.source.GetSpan(), this.destination.GetSpan(), this.Count);
         }
     }
 

tests/ImageSharp.Benchmarks/Color/Bulk/ToXyz.cs

@@ -36,8 +36,8 @@ namespace SixLabors.ImageSharp.Benchmarks.ColorSpaces.Bulk
         [Benchmark(Baseline = true)]
         public void PerElement()
         {
-            Span<TPixel> s = this.source.Span;
-            Span<byte> d = this.destination.Span;
+            Span<TPixel> s = this.source.GetSpan();
+            Span<byte> d = this.destination.GetSpan();
 
             var rgb = default(Rgb24);
 
@@ -55,13 +55,13 @@ namespace SixLabors.ImageSharp.Benchmarks.ColorSpaces.Bulk
         [Benchmark]
         public void CommonBulk()
         {
-            new PixelOperations<TPixel>().ToRgb24Bytes(this.source.Span, this.destination.Span, this.Count);
+            new PixelOperations<TPixel>().ToRgb24Bytes(this.source.GetSpan(), this.destination.GetSpan(), this.Count);
         }
 
         [Benchmark]
         public void OptimizedBulk()
         {
-            PixelOperations<TPixel>.Instance.ToRgb24Bytes(this.source.Span, this.destination.Span, this.Count);
+            PixelOperations<TPixel>.Instance.ToRgb24Bytes(this.source.GetSpan(), this.destination.GetSpan(), this.Count);
         }
     }
 

tests/ImageSharp.Benchmarks/Color/Bulk/ToXyzw.cs

@@ -38,8 +38,8 @@ namespace SixLabors.ImageSharp.Benchmarks.ColorSpaces.Bulk
         [Benchmark(Baseline = true)]
         public void PerElement()
         {
-            Span<TPixel> s = this.source.Span;
-            Span<byte> d = this.destination.Span;
+            Span<TPixel> s = this.source.GetSpan();
+            Span<byte> d = this.destination.GetSpan();
 
             var rgba = default(Rgba32);
 
@@ -58,13 +58,13 @@ namespace SixLabors.ImageSharp.Benchmarks.ColorSpaces.Bulk
         [Benchmark]
         public void CommonBulk()
         {
-            new PixelOperations<TPixel>().ToRgba32Bytes(this.source.Span, this.destination.Span, this.Count);
+            new PixelOperations<TPixel>().ToRgba32Bytes(this.source.GetSpan(), this.destination.GetSpan(), this.Count);
         }
 
         [Benchmark]
         public void OptimizedBulk()
         {
-            PixelOperations<TPixel>.Instance.ToRgba32Bytes(this.source.Span, this.destination.Span, this.Count);
+            PixelOperations<TPixel>.Instance.ToRgba32Bytes(this.source.GetSpan(), this.destination.GetSpan(), this.Count);
         }
     }
 

tests/ImageSharp.Benchmarks/PixelBlenders/PorterDuffBulkVsPixel.cs

@@ -61,14 +61,14 @@ namespace SixLabors.ImageSharp.Benchmarks
             {
                 using (IBuffer<float> amounts = Configuration.Default.MemoryAllocator.Allocate<float>(image.Width))
                 {
-                    amounts.Span.Fill(1);
+                    amounts.GetSpan().Fill(1);
                     
                     using (PixelAccessor<Rgba32> pixels = image.Lock())
                     {
                         for (int y = 0; y < image.Height; y++)
                         {
                             Span<Rgba32> span = pixels.GetRowSpan(y);
-                            this.BulkVectorConvert(span, span, span, amounts.Span);
+                            this.BulkVectorConvert(span, span, span, amounts.GetSpan());
                         }
                     }
                     return new CoreSize(image.Width, image.Height);
@@ -83,13 +83,13 @@ namespace SixLabors.ImageSharp.Benchmarks
             {
                 using (IBuffer<float> amounts = Configuration.Default.MemoryAllocator.Allocate<float>(image.Width))
                 {
-                    amounts.Span.Fill(1);
+                    amounts.GetSpan().Fill(1);
                     using (PixelAccessor<Rgba32> pixels = image.Lock())
                     {
                         for (int y = 0; y < image.Height; y++)
                         {
                             Span<Rgba32> span = pixels.GetRowSpan(y);
-                            this.BulkPixelConvert(span, span, span, amounts.Span);
+                            this.BulkPixelConvert(span, span, span, amounts.GetSpan());
                         }
                     }
 

tests/ImageSharp.Benchmarks/Samplers/Glow.cs

@@ -105,7 +105,7 @@ namespace SixLabors.ImageSharp.Benchmarks
                 using (IBuffer<TPixel> rowColors = Configuration.Default.MemoryAllocator.Allocate<TPixel>(width))
                 using (PixelAccessor<TPixel> sourcePixels = source.Lock())
                 {
-                    rowColors.Span.Fill(glowColor);
+                    rowColors.GetSpan().Fill(glowColor);
 
                     Parallel.For(
                         minY,