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Add tests for substract green transform

pull/1552/head
Brian Popow 5 years ago
parent
81276e5f4a
commit
6a381421c8
2 changed files with 91 additions and 2 deletions
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  1. 4
      src/ImageSharp/Formats/WebP/Lossless/LosslessUtils.cs
  2. 89
      tests/ImageSharp.Tests/Formats/WebP/LosslessUtilsTests.cs

4
src/ImageSharp/Formats/WebP/Lossless/LosslessUtils.cs
View File

@ -116,7 +116,7 @@ namespace SixLabors.ImageSharp.Formats.Experimental.Webp.Lossless
Vector256<byte> input = Avx.LoadVector256((ushort*)idx).AsByte();
Vector256<byte> in0g0g = Avx2.Shuffle(input, mask);
Vector256<byte> output = Avx2.Add(input, in0g0g);
Avx.Store((byte*)idx, output.AsByte());
Avx.Store((byte*)idx, output);
}
if (i != numPixels)
@ -208,7 +208,7 @@ namespace SixLabors.ImageSharp.Formats.Experimental.Webp.Lossless
Vector256<byte> input = Avx.LoadVector256((ushort*)idx).AsByte();
Vector256<byte> in0g0g = Avx2.Shuffle(input, mask);
Vector256<byte> output = Avx2.Subtract(input, in0g0g);
Avx.Store((byte*)idx, output.AsByte());
Avx.Store((byte*)idx, output);
}
if (i != numPixels)

89
tests/ImageSharp.Tests/Formats/WebP/LosslessUtilsTests.cs
View File

@ -0,0 +1,89 @@
// Copyright (c) Six Labors.
// Licensed under the Apache License, Version 2.0.
using SixLabors.ImageSharp.Formats.Experimental.Webp.Lossless;
using SixLabors.ImageSharp.Tests.TestUtilities;
using Xunit;
namespace SixLabors.ImageSharp.Tests.Formats.WebP
{
[Trait("Format", "Webp")]
public class LosslessUtilsTests
{
[Fact]
public void SubtractGreen_Works()
{
static void RunTest()
{
uint[] pixelData =
{
4293035898, 4293101432, 4292903793, 4292838511, 4292837995, 4292771950, 4292903791, 4293299316,
4293563769, 4293629303, 4293363312, 4291913575, 4289282905, 4288692313, 4289349210, 4289809240,
4289743703, 4289874775, 4289940567, 4289743701, 4290137943, 4290860378, 4291058267, 4291386715,
4291583836, 4291715937, 4291585379, 4291650657, 4291650143, 4291584863, 4291716451, 4291847521,
4291913571, 4292044130, 4291978850, 4291847521, 4291847524, 4291847779, 4291913571, 4291848293,
4291651689, 4291585895, 4291519584, 4291715936, 4291520355, 4291650658, 4291847263, 4291913313,
4291847777, 4291781731, 4291783015
};
uint[] expectedOutput =
{
4284188659, 4284254193, 4284318702, 4284187883, 4284318441, 4284383470, 4284318700, 4284124392,
4283799012, 4283864546, 4284581610, 4285163264, 4284891926, 4284497945, 4284761620, 4284893965,
4284828428, 4284959500, 4284959755, 4284828426, 4284960520, 4285289733, 4285159937, 4285292030,
4285358077, 4285228030, 4284966398, 4285097213, 4285227773, 4285096956, 4285097470, 4285228540,
4285163516, 4285425149, 4285294332, 4285228540, 4285228543, 4285163261, 4285163516, 4285032701,
4284835841, 4284835584, 4284966140, 4285228029, 4284770300, 4285097214, 4285293819, 4285228795,
4285163259, 4285228287, 4284901886
};
LosslessUtils.SubtractGreenFromBlueAndRed(pixelData);
Assert.Equal(expectedOutput, pixelData);
}
FeatureTestRunner.RunWithHwIntrinsicsFeature(RunTest, HwIntrinsics.AllowAll);
FeatureTestRunner.RunWithHwIntrinsicsFeature(RunTest, HwIntrinsics.DisableAVX);
FeatureTestRunner.RunWithHwIntrinsicsFeature(RunTest, HwIntrinsics.DisableAVX | HwIntrinsics.DisableSSE2);
FeatureTestRunner.RunWithHwIntrinsicsFeature(RunTest, HwIntrinsics.DisableAVX | HwIntrinsics.DisableSSE2 | HwIntrinsics.DisableSSSE3);
}
[Fact]
public void AddGreenToBlueAndRed_Works()
{
static void RunTest()
{
uint[] pixelData =
{
4284188659, 4284254193, 4284318702, 4284187883, 4284318441, 4284383470, 4284318700, 4284124392,
4283799012, 4283864546, 4284581610, 4285163264, 4284891926, 4284497945, 4284761620, 4284893965,
4284828428, 4284959500, 4284959755, 4284828426, 4284960520, 4285289733, 4285159937, 4285292030,
4285358077, 4285228030, 4284966398, 4285097213, 4285227773, 4285096956, 4285097470, 4285228540,
4285163516, 4285425149, 4285294332, 4285228540, 4285228543, 4285163261, 4285163516, 4285032701,
4284835841, 4284835584, 4284966140, 4285228029, 4284770300, 4285097214, 4285293819, 4285228795,
4285163259, 4285228287, 4284901886
};
uint[] expectedOutput =
{
4293035898, 4293101432, 4292903793, 4292838511, 4292837995, 4292771950, 4292903791, 4293299316,
4293563769, 4293629303, 4293363312, 4291913575, 4289282905, 4288692313, 4289349210, 4289809240,
4289743703, 4289874775, 4289940567, 4289743701, 4290137943, 4290860378, 4291058267, 4291386715,
4291583836, 4291715937, 4291585379, 4291650657, 4291650143, 4291584863, 4291716451, 4291847521,
4291913571, 4292044130, 4291978850, 4291847521, 4291847524, 4291847779, 4291913571, 4291848293,
4291651689, 4291585895, 4291519584, 4291715936, 4291520355, 4291650658, 4291847263, 4291913313,
4291847777, 4291781731, 4291783015
};
LosslessUtils.AddGreenToBlueAndRed(pixelData);
Assert.Equal(expectedOutput, pixelData);
}
FeatureTestRunner.RunWithHwIntrinsicsFeature(RunTest, HwIntrinsics.AllowAll);
FeatureTestRunner.RunWithHwIntrinsicsFeature(RunTest, HwIntrinsics.DisableAVX);
FeatureTestRunner.RunWithHwIntrinsicsFeature(RunTest, HwIntrinsics.DisableAVX | HwIntrinsics.DisableSSE2);
FeatureTestRunner.RunWithHwIntrinsicsFeature(RunTest, HwIntrinsics.DisableAVX | HwIntrinsics.DisableSSE2 | HwIntrinsics.DisableSSSE3);
}
}
}
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