Merge branch 'main' into sn/promote-pixeltype

src/ImageSharp/Formats/Png/Filters/PaethFilter.cs

@@ -35,9 +35,9 @@ internal static class PaethFilter
         // row:  a d
         // The Paeth function predicts d to be whichever of a, b, or c is nearest to
         // p = a + b - c.
-        if (Sse2.IsSupported && bytesPerPixel is 4)
+        if (Ssse3.IsSupported && bytesPerPixel is 4)
         {
-            DecodeSse3(scanline, previousScanline);
+            DecodeSsse3(scanline, previousScanline);
         }
         else if (AdvSimd.Arm64.IsSupported && bytesPerPixel is 4)
         {
@@ -50,7 +50,7 @@ internal static class PaethFilter
     }
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    private static void DecodeSse3(Span<byte> scanline, Span<byte> previousScanline)
+    private static void DecodeSsse3(Span<byte> scanline, Span<byte> previousScanline)
     {
         ref byte scanBaseRef = ref MemoryMarshal.GetReference(scanline);
         ref byte prevBaseRef = ref MemoryMarshal.GetReference(previousScanline);

src/ImageSharp/Formats/Webp/WebpFormat.cs

@@ -18,7 +18,7 @@ public sealed class WebpFormat : IImageFormat<WebpMetadata, WebpFrameMetadata>
     public static WebpFormat Instance { get; } = new WebpFormat();
 
     /// <inheritdoc/>
-    public string Name => "Webp";
+    public string Name => "WEBP";
 
     /// <inheritdoc/>
     public string DefaultMimeType => "image/webp";

tests/ImageSharp.Tests/Formats/Png/PngDecoderFilterTests.cs

@@ -170,6 +170,9 @@ public class PngDecoderFilterTests
     [Fact]
     public void PaethFilter_WithHardwareIntrinsics_Works() => FeatureTestRunner.RunWithHwIntrinsicsFeature(RunPaethFilterTest, HwIntrinsics.AllowAll);
 
+    [Fact]
+    public void PaethFilter_WithoutSsse3_Works() => FeatureTestRunner.RunWithHwIntrinsicsFeature(RunPaethFilterTest, HwIntrinsics.DisableSSSE3);
+
     [Fact]
     public void PaethFilter_WithoutHardwareIntrinsics_Works() => FeatureTestRunner.RunWithHwIntrinsicsFeature(RunPaethFilterTest, HwIntrinsics.DisableHWIntrinsic);
 }