public void ConvertVectorized()
{
Block8x8F y = default;
Block8x8F cb = default;
Block8x8F cr = default;
if (RgbToYCbCrConverterVectorized.IsSupported)
{
RgbToYCbCrConverterVectorized.Convert444(this.data.AsSpan(), ref y, ref cb, ref cr);
}
}
public void Scale16x2_8x1(int seed)
{
if (!Avx2.IsSupported)
{
return;
}
Span <float> data = new Random(seed).GenerateRandomFloatArray(Vector256 <float> .Count * 4, -1000, 1000);
// Act:
Vector256 <float> resultVector = RgbToYCbCrConverterVectorized.Scale16x2_8x1(MemoryMarshal.Cast <float, Vector256 <float> >(data));
ref float result = ref Unsafe.As <Vector256 <float>, float>(ref resultVector);
public void TestVectorizedConverter()
{
if (!RgbToYCbCrConverterVectorized.IsSupported)
{
this.Output.WriteLine("No AVX and/or FMA present, skipping test!");
return;
}
Rgb24[] data = CreateTestData();
Block8x8F y = default;
Block8x8F cb = default;
Block8x8F cr = default;
RgbToYCbCrConverterVectorized.Convert(data.AsSpan(), ref y, ref cb, ref cr);
Verify(data, ref y, ref cb, ref cr, new ApproximateColorSpaceComparer(0.0001F));
}
public void TestConverterVectorized420()
{
if (!RgbToYCbCrConverterVectorized.IsSupported)
{
this.Output.WriteLine("No AVX and/or FMA present, skipping test!");
return;
}
int dataSize = 16 * 16;
Span <Rgb24> data = CreateTestData(dataSize).AsSpan();
var yBlocks = new Block8x8F[4];
var cb = default(Block8x8F);
var cr = default(Block8x8F);
RgbToYCbCrConverterVectorized.Convert420(data, ref yBlocks[0], ref yBlocks[1], ref cb, ref cr, 0);
RgbToYCbCrConverterVectorized.Convert420(data.Slice(16 * 8), ref yBlocks[2], ref yBlocks[3], ref cb, ref cr, 1);
Verify420(data, yBlocks, ref cb, ref cr, new ApproximateFloatComparer(1F));
}
