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ImageSharp
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removed unused methods

af/merge-core
Anton Firszov 9 years ago
parent
35e7638019
commit
8f419e4e6d
2 changed files with 4 additions and 210 deletions
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  1. 126
      src/ImageSharp/Formats/Jpg/Components/Block8x8F.cs
  2. 88
      tests/ImageSharp.Tests/Formats/Jpg/Block8x8FTests.cs

126
src/ImageSharp/Formats/Jpg/Components/Block8x8F.cs
View File

@ -133,50 +133,7 @@ namespace ImageSharp.Formats
}
}
/// <summary>
/// Reference implementation we can benchmark against
/// </summary>
internal unsafe void TransposeInto_PinningImpl(ref Block8x8F destination)
{
fixed (Vector4* sPtr = &V0L)
{
float* src = (float*) sPtr;
fixed (Vector4* dPtr = &destination.V0L)
{
float* dest = (float*) dPtr;
for (int i = 0; i < 8; i++)
{
int i8 = i*8;
for (int j = 0; j < 8; j++)
{
dest[j*8 + i] = src[i8 + j];
}
}
}
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static unsafe void TransposeInto(Block8x8F* sourcePtr, Block8x8F* destPtr)
{
float* src = (float*) sourcePtr;
float* dest = (float*) destPtr;
for (int i = 0; i < 8; i++)
{
int i8 = i*8;
for (int j = 0; j < 8; j++)
{
dest[j*8 + i] = src[i8 + j];
}
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void MultiplyAllInplace(Vector4 s)
{
@ -449,30 +406,7 @@ namespace ImageSharp.Formats
for(i = 0;i < 8;i++){ x[i] *= 0.353554f; }
*/
}
internal static void SuchIDCT(ref Block block)
{
Block8x8F source = new Block8x8F();
source.LoadFrom(block.Data);
Block8x8F dest = new Block8x8F();
Block8x8F temp = new Block8x8F();
source.IDCTInto(ref dest, ref temp);
dest.CopyTo(block.Data);
}
internal static void SuchIDCT(ref BlockF block)
{
Block8x8F source = new Block8x8F();
source.LoadFrom(block.Data);
Block8x8F dest = new Block8x8F();
Block8x8F temp = new Block8x8F();
source.IDCTInto(ref dest, ref temp);
dest.CopyTo(block.Data);
}
public unsafe float this[int idx]
{
@ -525,62 +459,6 @@ namespace ImageSharp.Formats
{
CopyTo(legacyBlock.Data);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private static byte ToColorByte(float c)
{
if (c < -128)
{
return 0;
}
else if (c > 127)
{
return 255;
}
else
{
c += 128;
return (byte) c;
}
}
internal unsafe void CopyColorsTo(MutableSpan<byte> buffer, int stride)
{
fixed (Block8x8F* p = &this)
{
float* b = (float*) p;
for (int y = 0; y < 8; y++)
{
int y8 = y*8;
int yStride = y*stride;
for (int x = 0; x < 8; x++)
{
float c = b[y8 + x];
if (c < -128)
{
c = 0;
}
else if (c > 127)
{
c = 255;
}
else
{
c += 128;
}
buffer[yStride + x] = (byte) c;
}
}
}
}
private static readonly Vector4 CMin4 = new Vector4(-128f);
private static readonly Vector4 CMax4 = new Vector4(127f);

88
tests/ImageSharp.Tests/Formats/Jpg/Block8x8FTests.cs
View File

@ -171,24 +171,7 @@ namespace ImageSharp.Tests.Formats.Jpg
Assert.Equal(expected, actual);
}
[Fact]
public void TranposeInto_PinningImpl()
{
float[] expected = Create8x8FloatData();
ReferenceImplementations.Transpose8x8(expected);
Block8x8F source = new Block8x8F();
source.LoadFrom(Create8x8FloatData());
Block8x8F dest = new Block8x8F();
source.TransposeInto_PinningImpl(ref dest);
float[] actual = new float[64];
dest.CopyTo(actual);
Assert.Equal(expected, actual);
}
[Fact]
public void TransposeInto()
@ -209,27 +192,6 @@ namespace ImageSharp.Tests.Formats.Jpg
}
[Fact]
public unsafe void TransposeInto_WithPointers()
{
float[] expected = Create8x8FloatData();
ReferenceImplementations.Transpose8x8(expected);
Block8x8F source = new Block8x8F();
source.LoadFrom(Create8x8FloatData());
Block8x8F dest = new Block8x8F();
Block8x8F* sPtr = &source;
Block8x8F* dPtr = &dest;
Block8x8F.TransposeInto(sPtr, dPtr);
float[] actual = new float[64];
dest.CopyTo(actual);
Assert.Equal(expected, actual);
}
private class BufferHolder
{
@ -255,53 +217,7 @@ namespace ImageSharp.Tests.Formats.Jpg
Output.WriteLine($"TranposeInto_PinningImpl_Benchmark finished in {sw.ElapsedMilliseconds} ms");
}
[Fact]
public void TranposeInto_PinningImpl_Benchmark()
{
BufferHolder source = new BufferHolder();
source.Buffer.LoadFrom(Create8x8FloatData());
BufferHolder dest = new BufferHolder();
Output.WriteLine($"TranposeInto_PinningImpl_Benchmark X {Times} ...");
Stopwatch sw = Stopwatch.StartNew();
for (int i = 0; i < Times; i++)
{
source.Buffer.TransposeInto_PinningImpl(ref dest.Buffer);
}
sw.Stop();
Output.WriteLine($"TranposeInto_PinningImpl_Benchmark finished in {sw.ElapsedMilliseconds} ms");
}
[Fact]
public unsafe void TransposeInto_WithPointers_Benchmark()
{
BufferHolder source = new BufferHolder();
source.Buffer.LoadFrom(Create8x8FloatData());
BufferHolder dest = new BufferHolder();
fixed (Block8x8F* sPtr = &source.Buffer)
{
fixed (Block8x8F* dPtr = &dest.Buffer)
{
Output.WriteLine($"TransposeInto_WithPointers_Benchmark X {Times} ...");
Stopwatch sw = Stopwatch.StartNew();
for (int i = 0; i < Times; i++)
{
Block8x8F.TransposeInto(sPtr, dPtr);
}
sw.Stop();
Output.WriteLine($"TransposeInto_WithPointers_Benchmark finished in {sw.ElapsedMilliseconds} ms");
}
}
}
[Fact]
public void iDCT2D8x4_LeftPart()
{

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