emu-mirrors/ryujinx-final
Archived
0
0
Fork 0
Code Activity

ASTC optimizations (#845)

Browse source 
* ASTC optimizations

* Move code to Ryujinx.Common

* Support 3D textures

* Address feedback

* Remove ASTC logging

* Use stackalloc instead of a Buffer20 struct

* Code style and cleanup

* Respond to feedback

* Rearrange public/private property ordering
This commit is contained in:
Alex Barney 2019-12-26 23:09:49 -07:00 committed by Thog
parent 947e14d3be
commit d1ab9fb42c
12 changed files with 1009 additions and 599 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

59
Ryujinx.Common/Utilities/Buffers.cs Normal file
View file

@ -0,0 +1,59 @@
using System;
using System.Diagnostics;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace Ryujinx.Common.Utilities
{
[DebuggerDisplay("{ToString()}")]
[StructLayout(LayoutKind.Sequential, Size = 16)]
public struct Buffer16
{
[DebuggerBrowsable(DebuggerBrowsableState.Never)] private ulong _dummy0;
[DebuggerBrowsable(DebuggerBrowsableState.Never)] private ulong _dummy1;
public byte this[int i]
{
get => Bytes[i];
set => Bytes[i] = value;
}
public Span<byte> Bytes => SpanHelpers.AsByteSpan(ref this);
// Prevent a defensive copy by changing the read-only in reference to a reference with Unsafe.AsRef()
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static implicit operator Span<byte>(in Buffer16 value)
{
return SpanHelpers.AsByteSpan(ref Unsafe.AsRef(in value));
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static implicit operator ReadOnlySpan<byte>(in Buffer16 value)
{
return SpanHelpers.AsReadOnlyByteSpan(ref Unsafe.AsRef(in value));
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public ref T As<T>() where T : unmanaged
{
if (Unsafe.SizeOf<T>() > (uint)Unsafe.SizeOf<Buffer16>())
{
throw new ArgumentException();
}
return ref MemoryMarshal.GetReference(AsSpan<T>());
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public Span<T> AsSpan<T>() where T : unmanaged
{
return SpanHelpers.AsSpan<Buffer16, T>(ref this);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public readonly ReadOnlySpan<T> AsReadOnlySpan<T>() where T : unmanaged
{
return SpanHelpers.AsReadOnlySpan<Buffer16, T>(ref Unsafe.AsRef(in this));
}
}
}

61
Ryujinx.Common/Utilities/SpanHelpers.cs Normal file
View file

@ -0,0 +1,61 @@
using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace Ryujinx.Common.Utilities
{
public static class SpanHelpers
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static Span<T> CreateSpan<T>(ref T reference, int length)
{
return MemoryMarshal.CreateSpan(ref reference, length);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static Span<T> AsSpan<T>(ref T reference) where T : unmanaged
{
return CreateSpan(ref reference, 1);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static Span<TSpan> AsSpan<TStruct, TSpan>(ref TStruct reference)
where TStruct : unmanaged where TSpan : unmanaged
{
return CreateSpan(ref Unsafe.As<TStruct, TSpan>(ref reference),
Unsafe.SizeOf<TStruct>() / Unsafe.SizeOf<TSpan>());
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static Span<byte> AsByteSpan<T>(ref T reference) where T : unmanaged
{
return CreateSpan(ref Unsafe.As<T, byte>(ref reference), Unsafe.SizeOf<T>());
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static ReadOnlySpan<T> CreateReadOnlySpan<T>(ref T reference, int length)
{
return MemoryMarshal.CreateReadOnlySpan(ref reference, length);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static ReadOnlySpan<T> AsReadOnlySpan<T>(ref T reference) where T : unmanaged
{
return CreateReadOnlySpan(ref reference, 1);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static ReadOnlySpan<TSpan> AsReadOnlySpan<TStruct, TSpan>(ref TStruct reference)
where TStruct : unmanaged where TSpan : unmanaged
{
return CreateReadOnlySpan(ref Unsafe.As<TStruct, TSpan>(ref reference),
Unsafe.SizeOf<TStruct>() / Unsafe.SizeOf<TSpan>());
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static ReadOnlySpan<byte> AsReadOnlyByteSpan<T>(ref T reference) where T : unmanaged
{
return CreateReadOnlySpan(ref Unsafe.As<T, byte>(ref reference), Unsafe.SizeOf<T>());
}
}
}

3
Ryujinx.Graphics.Gpu/Image/Texture.cs
View file

@ -7,6 +7,7 @@ using Ryujinx.Graphics.Texture.Astc;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using Ryujinx.Common.Logging;
namespace Ryujinx.Graphics.Gpu.Image
{
@ -246,7 +247,7 @@ namespace Ryujinx.Graphics.Gpu.Image
if (!_context.Capabilities.SupportsAstcCompression && _info.FormatInfo.Format.IsAstc())
{
if (!AstcDecoder.TryDecodeToRgba8(
data,
data.ToArray(),
_info.FormatInfo.BlockWidth,
_info.FormatInfo.BlockHeight,
_info.Width,

725
Ryujinx.Graphics.Texture/Astc/AstcDecoder.cs
View file

File diff suppressed because it is too large Load diff

112
Ryujinx.Graphics.Texture/Astc/AstcPixel.cs
View file

@ -1,16 +1,23 @@
using System;
using System.Diagnostics;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace Ryujinx.Graphics.Texture.Astc
{
class AstcPixel
[StructLayout(LayoutKind.Sequential)]
struct AstcPixel
{
public short R { get; set; }
public short G { get; set; }
public short B { get; set; }
public short A { get; set; }
internal const int StructSize = 12;
byte[] _bitDepth = new byte[4];
public short A;
public short R;
public short G;
public short B;
private uint _bitDepthInt;
private Span<byte> BitDepth => MemoryMarshal.CreateSpan(ref Unsafe.As<uint, byte>(ref _bitDepthInt), 4);
private Span<short> Components => MemoryMarshal.CreateSpan(ref A, 4);
public AstcPixel(short a, short r, short g, short b)
{
@ -19,8 +26,7 @@ namespace Ryujinx.Graphics.Texture.Astc
G = g;
B = b;
for (int i = 0; i < 4; i++)
_bitDepth[i] = 8;
_bitDepthInt = 0x08080808;
}
public void ClampByte()
@ -33,96 +39,20 @@ namespace Ryujinx.Graphics.Texture.Astc
public short GetComponent(int index)
{
switch(index)
{
case 0: return A;
case 1: return R;
case 2: return G;
case 3: return B;
}
return 0;
return Components[index];
}
public void SetComponent(int index, int value)
{
switch (index)
{
case 0:
A = (short)value;
break;
case 1:
R = (short)value;
break;
case 2:
G = (short)value;
break;
case 3:
B = (short)value;
break;
}
}
public void ChangeBitDepth(byte[] depth)
{
for (int i = 0; i< 4; i++)
{
int value = ChangeBitDepth(GetComponent(i), _bitDepth[i], depth[i]);
SetComponent(i, value);
_bitDepth[i] = depth[i];
}
}
short ChangeBitDepth(short value, byte oldDepth, byte newDepth)
{
Debug.Assert(newDepth <= 8);
Debug.Assert(oldDepth <= 8);
if (oldDepth == newDepth)
{
// Do nothing
return value;
}
else if (oldDepth == 0 && newDepth != 0)
{
return (short)((1 << newDepth) - 1);
}
else if (newDepth > oldDepth)
{
return (short)BitArrayStream.Replicate(value, oldDepth, newDepth);
}
else
{
// oldDepth > newDepth
if (newDepth == 0)
{
return 0xFF;
}
else
{
byte bitsWasted = (byte)(oldDepth - newDepth);
short tempValue = value;
tempValue = (short)((tempValue + (1 << (bitsWasted - 1))) >> bitsWasted);
tempValue = Math.Min(Math.Max((short)0, tempValue), (short)((1 << newDepth) - 1));
return (byte)(tempValue);
}
}
Components[index] = (short)value;
}
public int Pack()
{
AstcPixel newPixel = new AstcPixel(A, R, G, B);
byte[] eightBitDepth = { 8, 8, 8, 8 };
newPixel.ChangeBitDepth(eightBitDepth);
return (byte)newPixel.A << 24 |
(byte)newPixel.B << 16 |
(byte)newPixel.G << 8 |
(byte)newPixel.R << 0;
return A << 24 |
B << 16 |
G << 8 |
R << 0;
}
// Adds more precision to the blue channel as described

121
Ryujinx.Graphics.Texture/Astc/BitArrayStream.cs
View file

@ -1,121 +0,0 @@
using System;
using System.Collections;
namespace Ryujinx.Graphics.Texture.Astc
{
public class BitArrayStream
{
public BitArray BitsArray;
public int Position { get; private set; }
public BitArrayStream(BitArray bitArray)
{
BitsArray = bitArray;
Position = 0;
}
public short ReadBits(int length)
{
int retValue = 0;
for (int i = Position; i < Position + length; i++)
{
if (BitsArray[i])
{
retValue |= 1 << (i - Position);
}
}
Position += length;
return (short)retValue;
}
public int ReadBits(int start, int end)
{
int retValue = 0;
for (int i = start; i <= end; i++)
{
if (BitsArray[i])
{
retValue |= 1 << (i - start);
}
}
return retValue;
}
public int ReadBit(int index)
{
return Convert.ToInt32(BitsArray[index]);
}
public void WriteBits(int value, int length)
{
for (int i = Position; i < Position + length; i++)
{
BitsArray[i] = ((value >> (i - Position)) & 1) != 0;
}
Position += length;
}
public byte[] ToByteArray()
{
byte[] retArray = new byte[(BitsArray.Length + 7) / 8];
BitsArray.CopyTo(retArray, 0);
return retArray;
}
public static int Replicate(int value, int numberBits, int toBit)
{
if (numberBits == 0) return 0;
if (toBit == 0) return 0;
int tempValue = value & ((1 << numberBits) - 1);
int retValue = tempValue;
int resLength = numberBits;
while (resLength < toBit)
{
int comp = 0;
if (numberBits > toBit - resLength)
{
int newShift = toBit - resLength;
comp = numberBits - newShift;
numberBits = newShift;
}
retValue <<= numberBits;
retValue |= tempValue >> comp;
resLength += numberBits;
}
return retValue;
}
public static int PopCnt(int number)
{
int counter;
for (counter = 0; number != 0; counter++)
{
number &= number - 1;
}
return counter;
}
public static void Swap<T>(ref T lhs, ref T rhs)
{
T temp = lhs;
lhs = rhs;
rhs = temp;
}
// Transfers a bit as described in C.2.14
public static void BitTransferSigned(ref int a, ref int b)
{
b >>= 1;
b |= a & 0x80;
a >>= 1;
a &= 0x3F;
if ((a & 0x20) != 0) a -= 0x40;
}
}
}

72
Ryujinx.Graphics.Texture/Astc/BitStream128.cs Normal file
View file

@ -0,0 +1,72 @@
using Ryujinx.Common.Utilities;
using System;
using System.Diagnostics;
namespace Ryujinx.Graphics.Texture.Astc
{
public struct BitStream128
{
private Buffer16 _data;
public int BitsLeft { get; set; }
public BitStream128(Buffer16 data)
{
_data = data;
BitsLeft = 128;
}
public int ReadBits(int bitCount)
{
Debug.Assert(bitCount < 32);
if (bitCount == 0)
{
return 0;
}
int mask = (1 << bitCount) - 1;
int value = _data.As<int>() & mask;
Span<ulong> span = _data.AsSpan<ulong>();
ulong carry = span[1] << (64 - bitCount);
span[0] = (span[0] >> bitCount) | carry;
span[1] >>= bitCount;
BitsLeft -= bitCount;
return value;
}
public void WriteBits(int value, int bitCount)
{
Debug.Assert(bitCount < 32);
if (bitCount == 0) return;
ulong maskedValue = (uint)(value & ((1 << bitCount) - 1));
Span<ulong> span = _data.AsSpan<ulong>();
if (BitsLeft < 64)
{
ulong lowMask = maskedValue << BitsLeft;
span[0] |= lowMask;
}
if (BitsLeft + bitCount > 64)
{
if (BitsLeft > 64)
{
span[1] |= maskedValue << (BitsLeft - 64);
}
else
{
span[1] |= maskedValue >> (64 - BitsLeft);
}
}
BitsLeft += bitCount;
}
}
}

66
Ryujinx.Graphics.Texture/Astc/Bits.cs Normal file
View file

@ -0,0 +1,66 @@
namespace Ryujinx.Graphics.Texture.Astc
{
internal static class Bits
{
public static readonly ushort[] Replicate8_16Table;
public static readonly byte[] Replicate1_7Table;
static Bits()
{
Replicate8_16Table = new ushort[0x200];
Replicate1_7Table = new byte[0x200];
for (int i = 0; i < 0x200; i++)
{
Replicate8_16Table[i] = (ushort)Replicate(i, 8, 16);
Replicate1_7Table[i] = (byte)Replicate(i, 1, 7);
}
}
public static int Replicate8_16(int value)
{
return Replicate8_16Table[value];
}
public static int Replicate1_7(int value)
{
return Replicate1_7Table[value];
}
public static int Replicate(int value, int numberBits, int toBit)
{
if (numberBits == 0) return 0;
if (toBit == 0) return 0;
int tempValue = value & ((1 << numberBits) - 1);
int retValue = tempValue;
int resLength = numberBits;
while (resLength < toBit)
{
int comp = 0;
if (numberBits > toBit - resLength)
{
int newShift = toBit - resLength;
comp = numberBits - newShift;
numberBits = newShift;
}
retValue <<= numberBits;
retValue |= tempValue >> comp;
resLength += numberBits;
}
return retValue;
}
// Transfers a bit as described in C.2.14
public static void BitTransferSigned(ref int a, ref int b)
{
b >>= 1;
b |= a & 0x80;
a >>= 1;
a &= 0x3F;
if ((a & 0x20) != 0) a -= 0x40;
}
}
}

23
Ryujinx.Graphics.Texture/Astc/EndPointSet.cs Normal file
View file

@ -0,0 +1,23 @@
using System;
using System.Diagnostics;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace Ryujinx.Graphics.Texture.Astc
{
[StructLayout(LayoutKind.Sequential, Size = AstcPixel.StructSize * 8)]
internal struct EndPointSet
{
private AstcPixel _start;
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public Span<AstcPixel> Get(int index)
{
Debug.Assert(index < 4);
ref AstcPixel start = ref Unsafe.Add(ref _start, index * 2);
return MemoryMarshal.CreateSpan(ref start, 2);
}
}
}

334
Ryujinx.Graphics.Texture/Astc/IntegerEncoded.cs
View file

@ -1,11 +1,14 @@
using System.Collections;
using System.Collections.Generic;
using System;
using System.Numerics;
namespace Ryujinx.Graphics.Texture.Astc
{
public struct IntegerEncoded
internal struct IntegerEncoded
{
public enum EIntegerEncoding
internal const int StructSize = 8;
private static readonly IntegerEncoded[] Encodings;
public enum EIntegerEncoding : byte
{
JustBits,
Quint,
@ -13,17 +16,27 @@ namespace Ryujinx.Graphics.Texture.Astc
}
EIntegerEncoding _encoding;
public int NumberBits { get; private set; }
public int BitValue { get; private set; }
public int TritValue { get; private set; }
public int QuintValue { get; private set; }
public byte NumberBits { get; private set; }
public byte TritValue { get; private set; }
public byte QuintValue { get; private set; }
public int BitValue { get; private set; }
static IntegerEncoded()
{
Encodings = new IntegerEncoded[0x100];
for (int i = 0; i < Encodings.Length; i++)
{
Encodings[i] = CreateEncodingCalc(i);
}
}
public IntegerEncoded(EIntegerEncoding encoding, int numBits)
{
_encoding = encoding;
NumberBits = numBits;
BitValue = 0;
TritValue = 0;
_encoding = encoding;
NumberBits = (byte)numBits;
BitValue = 0;
TritValue = 0;
QuintValue = 0;
}
@ -52,6 +65,11 @@ namespace Ryujinx.Graphics.Texture.Astc
}
public static IntegerEncoded CreateEncoding(int maxVal)
{
return Encodings[maxVal];
}
private static IntegerEncoded CreateEncodingCalc(int maxVal)
{
while (maxVal > 0)
{
@ -60,19 +78,19 @@ namespace Ryujinx.Graphics.Texture.Astc
// Is maxVal a power of two?
if ((check & (check - 1)) == 0)
{
return new IntegerEncoded(EIntegerEncoding.JustBits, BitArrayStream.PopCnt(maxVal));
return new IntegerEncoded(EIntegerEncoding.JustBits, BitOperations.PopCount((uint)maxVal));
}
// Is maxVal of the type 3*2^n - 1?
if ((check % 3 == 0) && ((check / 3) & ((check / 3) - 1)) == 0)
{
return new IntegerEncoded(EIntegerEncoding.Trit, BitArrayStream.PopCnt(check / 3 - 1));
return new IntegerEncoded(EIntegerEncoding.Trit, BitOperations.PopCount((uint)(check / 3 - 1)));
}
// Is maxVal of the type 5*2^n - 1?
if ((check % 5 == 0) && ((check / 5) & ((check / 5) - 1)) == 0)
{
return new IntegerEncoded(EIntegerEncoding.Quint, BitArrayStream.PopCnt(check / 5 - 1));
return new IntegerEncoded(EIntegerEncoding.Quint, BitOperations.PopCount((uint)(check / 5 - 1)));
}
// Apparently it can't be represented with a bounded integer sequence...
@ -84,150 +102,78 @@ namespace Ryujinx.Graphics.Texture.Astc
}
public static void DecodeTritBlock(
BitArrayStream bitStream,
List<IntegerEncoded> listIntegerEncoded,
int numberBitsPerValue)
ref BitStream128 bitStream,
ref IntegerSequence listIntegerEncoded,
int numberBitsPerValue)
{
// Implement the algorithm in section C.2.12
int[] m = new int[5];
int[] t = new int[5];
int T;
Span<int> m = stackalloc int[5];
// Read the trit encoded block according to
// table C.2.14
m[0] = bitStream.ReadBits(numberBitsPerValue);
T = bitStream.ReadBits(2);
int encoded = bitStream.ReadBits(2);
m[1] = bitStream.ReadBits(numberBitsPerValue);
T |= bitStream.ReadBits(2) << 2;
encoded |= bitStream.ReadBits(2) << 2;
m[2] = bitStream.ReadBits(numberBitsPerValue);
T |= bitStream.ReadBits(1) << 4;
encoded |= bitStream.ReadBits(1) << 4;
m[3] = bitStream.ReadBits(numberBitsPerValue);
T |= bitStream.ReadBits(2) << 5;
encoded |= bitStream.ReadBits(2) << 5;
m[4] = bitStream.ReadBits(numberBitsPerValue);
T |= bitStream.ReadBits(1) << 7;
encoded |= bitStream.ReadBits(1) << 7;
int c = 0;
ReadOnlySpan<byte> encodings = GetTritEncoding(encoded);
BitArrayStream tb = new BitArrayStream(new BitArray(new int[] { T }));
if (tb.ReadBits(2, 4) == 7)
{
c = (tb.ReadBits(5, 7) << 2) | tb.ReadBits(0, 1);
t[4] = t[3] = 2;
}
else
{
c = tb.ReadBits(0, 4);
if (tb.ReadBits(5, 6) == 3)
{
t[4] = 2;
t[3] = tb.ReadBit(7);
}
else
{
t[4] = tb.ReadBit(7);
t[3] = tb.ReadBits(5, 6);
}
}
BitArrayStream cb = new BitArrayStream(new BitArray(new int[] { c }));
if (cb.ReadBits(0, 1) == 3)
{
t[2] = 2;
t[1] = cb.ReadBit(4);
t[0] = (cb.ReadBit(3) << 1) | (cb.ReadBit(2) & ~cb.ReadBit(3));
}
else if (cb.ReadBits(2, 3) == 3)
{
t[2] = 2;
t[1] = 2;
t[0] = cb.ReadBits(0, 1);
}
else
{
t[2] = cb.ReadBit(4);
t[1] = cb.ReadBits(2, 3);
t[0] = (cb.ReadBit(1) << 1) | (cb.ReadBit(0) & ~cb.ReadBit(1));
}
IntegerEncoded intEncoded = new IntegerEncoded(EIntegerEncoding.Trit, numberBitsPerValue);
for (int i = 0; i < 5; i++)
{
IntegerEncoded intEncoded = new IntegerEncoded(EIntegerEncoding.Trit, numberBitsPerValue)
{
BitValue = m[i],
TritValue = t[i]
};
listIntegerEncoded.Add(intEncoded);
intEncoded.BitValue = m[i];
intEncoded.TritValue = encodings[i];
listIntegerEncoded.Add(ref intEncoded);
}
}
public static void DecodeQuintBlock(
BitArrayStream bitStream,
List<IntegerEncoded> listIntegerEncoded,
int numberBitsPerValue)
ref BitStream128 bitStream,
ref IntegerSequence listIntegerEncoded,
int numberBitsPerValue)
{
ReadOnlySpan<byte> interleavedBits = new byte[] { 3, 2, 2 };
// Implement the algorithm in section C.2.12
int[] m = new int[3];
int[] qa = new int[3];
int q;
Span<int> m = stackalloc int[3];
ulong encoded = 0;
int encodedBitsRead = 0;
// Read the trit encoded block according to
// table C.2.15
m[0] = bitStream.ReadBits(numberBitsPerValue);
q = bitStream.ReadBits(3);
m[1] = bitStream.ReadBits(numberBitsPerValue);
q |= bitStream.ReadBits(2) << 3;
m[2] = bitStream.ReadBits(numberBitsPerValue);
q |= bitStream.ReadBits(2) << 5;
BitArrayStream qb = new BitArrayStream(new BitArray(new int[] { q }));
if (qb.ReadBits(1, 2) == 3 && qb.ReadBits(5, 6) == 0)
for (int i = 0; i < m.Length; i++)
{
qa[0] = qa[1] = 4;
qa[2] = (qb.ReadBit(0) << 2) | ((qb.ReadBit(4) & ~qb.ReadBit(0)) << 1) | (qb.ReadBit(3) & ~qb.ReadBit(0));
}
else
{
int c = 0;
if (qb.ReadBits(1, 2) == 3)
{
qa[2] = 4;
c = (qb.ReadBits(3, 4) << 3) | ((~qb.ReadBits(5, 6) & 3) << 1) | qb.ReadBit(0);
}
else
{
qa[2] = qb.ReadBits(5, 6);
c = qb.ReadBits(0, 4);
}
m[i] = bitStream.ReadBits(numberBitsPerValue);
BitArrayStream cb = new BitArrayStream(new BitArray(new int[] { c }));
if (cb.ReadBits(0, 2) == 5)
{
qa[1] = 4;
qa[0] = cb.ReadBits(3, 4);
}
else
{
qa[1] = cb.ReadBits(3, 4);
qa[0] = cb.ReadBits(0, 2);
}
uint encodedBits = (uint)bitStream.ReadBits(interleavedBits[i]);
encoded |= encodedBits << encodedBitsRead;
encodedBitsRead += interleavedBits[i];
}
ReadOnlySpan<byte> encodings = GetQuintEncoding((int)encoded);
for (int i = 0; i < 3; i++)
{
IntegerEncoded intEncoded = new IntegerEncoded(EIntegerEncoding.Quint, numberBitsPerValue)
{
BitValue = m[i],
QuintValue = qa[i]
BitValue = m[i],
QuintValue = encodings[i]
};
listIntegerEncoded.Add(intEncoded);
listIntegerEncoded.Add(ref intEncoded);
}
}
public static void DecodeIntegerSequence(
List<IntegerEncoded> decodeIntegerSequence,
BitArrayStream bitStream,
int maxRange,
int numberValues)
ref IntegerSequence decodeIntegerSequence,
ref BitStream128 bitStream,
int maxRange,
int numberValues)
{
// Determine encoding parameters
IntegerEncoded intEncoded = CreateEncoding(maxRange);
@ -240,7 +186,7 @@ namespace Ryujinx.Graphics.Texture.Astc
{
case EIntegerEncoding.Quint:
{
DecodeQuintBlock(bitStream, decodeIntegerSequence, intEncoded.NumberBits);
DecodeQuintBlock(ref bitStream, ref decodeIntegerSequence, intEncoded.NumberBits);
numberValuesDecoded += 3;
break;
@ -248,7 +194,7 @@ namespace Ryujinx.Graphics.Texture.Astc
case EIntegerEncoding.Trit:
{
DecodeTritBlock(bitStream, decodeIntegerSequence, intEncoded.NumberBits);
DecodeTritBlock(ref bitStream, ref decodeIntegerSequence, intEncoded.NumberBits);
numberValuesDecoded += 5;
break;
@ -257,7 +203,7 @@ namespace Ryujinx.Graphics.Texture.Astc
case EIntegerEncoding.JustBits:
{
intEncoded.BitValue = bitStream.ReadBits(intEncoded.NumberBits);
decodeIntegerSequence.Add(intEncoded);
decodeIntegerSequence.Add(ref intEncoded);
numberValuesDecoded++;
break;
@ -265,5 +211,135 @@ namespace Ryujinx.Graphics.Texture.Astc
}
}
}
private static ReadOnlySpan<byte> GetTritEncoding(int index)
{
return TritEncodings.Slice(index * 5, 5);
}
private static ReadOnlySpan<byte> GetQuintEncoding(int index)
{
return QuintEncodings.Slice(index * 3, 3);
}
private static ReadOnlySpan<byte> TritEncodings => new byte[]
{
0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 2, 0, 0, 0, 0,
0, 0, 2, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0,
2, 1, 0, 0, 0, 1, 0, 2, 0, 0, 0, 2, 0, 0, 0,
1, 2, 0, 0, 0, 2, 2, 0, 0, 0, 2, 0, 2, 0, 0,
0, 2, 2, 0, 0, 1, 2, 2, 0, 0, 2, 2, 2, 0, 0,
2, 0, 2, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0,
2, 0, 1, 0, 0, 0, 1, 2, 0, 0, 0, 1, 1, 0, 0,
1, 1, 1, 0, 0, 2, 1, 1, 0, 0, 1, 1, 2, 0, 0,
0, 2, 1, 0, 0, 1, 2, 1, 0, 0, 2, 2, 1, 0, 0,
2, 1, 2, 0, 0, 0, 0, 0, 2, 2, 1, 0, 0, 2, 2,
2, 0, 0, 2, 2, 0, 0, 2, 2, 2, 0, 0, 0, 1, 0,
1, 0, 0, 1, 0, 2, 0, 0, 1, 0, 0, 0, 2, 1, 0,
0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 2, 1, 0, 1, 0,
1, 0, 2, 1, 0, 0, 2, 0, 1, 0, 1, 2, 0, 1, 0,
2, 2, 0, 1, 0, 2, 0, 2, 1, 0, 0, 2, 2, 1, 0,
1, 2, 2, 1, 0, 2, 2, 2, 1, 0, 2, 0, 2, 1, 0,
0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 2, 0, 1, 1, 0,
0, 1, 2, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0,
2, 1, 1, 1, 0, 1, 1, 2, 1, 0, 0, 2, 1, 1, 0,
1, 2, 1, 1, 0, 2, 2, 1, 1, 0, 2, 1, 2, 1, 0,
0, 1, 0, 2, 2, 1, 1, 0, 2, 2, 2, 1, 0, 2, 2,
1, 0, 2, 2, 2, 0, 0, 0, 2, 0, 1, 0, 0, 2, 0,
2, 0, 0, 2, 0, 0, 0, 2, 2, 0, 0, 1, 0, 2, 0,
1, 1, 0, 2, 0, 2, 1, 0, 2, 0, 1, 0, 2, 2, 0,
0, 2, 0, 2, 0, 1, 2, 0, 2, 0, 2, 2, 0, 2, 0,
2, 0, 2, 2, 0, 0, 2, 2, 2, 0, 1, 2, 2, 2, 0,
2, 2, 2, 2, 0, 2, 0, 2, 2, 0, 0, 0, 1, 2, 0,
1, 0, 1, 2, 0, 2, 0, 1, 2, 0, 0, 1, 2, 2, 0,
0, 1, 1, 2, 0, 1, 1, 1, 2, 0, 2, 1, 1, 2, 0,
1, 1, 2, 2, 0, 0, 2, 1, 2, 0, 1, 2, 1, 2, 0,
2, 2, 1, 2, 0, 2, 1, 2, 2, 0, 0, 2, 0, 2, 2,
1, 2, 0, 2, 2, 2, 2, 0, 2, 2, 2, 0, 2, 2, 2,
0, 0, 0, 0, 2, 1, 0, 0, 0, 2, 2, 0, 0, 0, 2,
0, 0, 2, 0, 2, 0, 1, 0, 0, 2, 1, 1, 0, 0, 2,
2, 1, 0, 0, 2, 1, 0, 2, 0, 2, 0, 2, 0, 0, 2,
1, 2, 0, 0, 2, 2, 2, 0, 0, 2, 2, 0, 2, 0, 2,
0, 2, 2, 0, 2, 1, 2, 2, 0, 2, 2, 2, 2, 0, 2,
2, 0, 2, 0, 2, 0, 0, 1, 0, 2, 1, 0, 1, 0, 2,
2, 0, 1, 0, 2, 0, 1, 2, 0, 2, 0, 1, 1, 0, 2,
1, 1, 1, 0, 2, 2, 1, 1, 0, 2, 1, 1, 2, 0, 2,
0, 2, 1, 0, 2, 1, 2, 1, 0, 2, 2, 2, 1, 0, 2,
2, 1, 2, 0, 2, 0, 2, 2, 2, 2, 1, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 0, 2, 2, 2, 0, 0, 0, 0, 1,
1, 0, 0, 0, 1, 2, 0, 0, 0, 1, 0, 0, 2, 0, 1,
0, 1, 0, 0, 1, 1, 1, 0, 0, 1, 2, 1, 0, 0, 1,
1, 0, 2, 0, 1, 0, 2, 0, 0, 1, 1, 2, 0, 0, 1,
2, 2, 0, 0, 1, 2, 0, 2, 0, 1, 0, 2, 2, 0, 1,
1, 2, 2, 0, 1, 2, 2, 2, 0, 1, 2, 0, 2, 0, 1,
0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 2, 0, 1, 0, 1,
0, 1, 2, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1,
2, 1, 1, 0, 1, 1, 1, 2, 0, 1, 0, 2, 1, 0, 1,
1, 2, 1, 0, 1, 2, 2, 1, 0, 1, 2, 1, 2, 0, 1,
0, 0, 1, 2, 2, 1, 0, 1, 2, 2, 2, 0, 1, 2, 2,
0, 1, 2, 2, 2, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1,
2, 0, 0, 1, 1, 0, 0, 2, 1, 1, 0, 1, 0, 1, 1,
1, 1, 0, 1, 1, 2, 1, 0, 1, 1, 1, 0, 2, 1, 1,
0, 2, 0, 1, 1, 1, 2, 0, 1, 1, 2, 2, 0, 1, 1,
2, 0, 2, 1, 1, 0, 2, 2, 1, 1, 1, 2, 2, 1, 1,
2, 2, 2, 1, 1, 2, 0, 2, 1, 1, 0, 0, 1, 1, 1,
1, 0, 1, 1, 1, 2, 0, 1, 1, 1, 0, 1, 2, 1, 1,
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1,
1, 1, 2, 1, 1, 0, 2, 1, 1, 1, 1, 2, 1, 1, 1,
2, 2, 1, 1, 1, 2, 1, 2, 1, 1, 0, 1, 1, 2, 2,
1, 1, 1, 2, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 2,
0, 0, 0, 2, 1, 1, 0, 0, 2, 1, 2, 0, 0, 2, 1,
0, 0, 2, 2, 1, 0, 1, 0, 2, 1, 1, 1, 0, 2, 1,
2, 1, 0, 2, 1, 1, 0, 2, 2, 1, 0, 2, 0, 2, 1,
1, 2, 0, 2, 1, 2, 2, 0, 2, 1, 2, 0, 2, 2, 1,
0, 2, 2, 2, 1, 1, 2, 2, 2, 1, 2, 2, 2, 2, 1,
2, 0, 2, 2, 1, 0, 0, 1, 2, 1, 1, 0, 1, 2, 1,
2, 0, 1, 2, 1, 0, 1, 2, 2, 1, 0, 1, 1, 2, 1,
1, 1, 1, 2, 1, 2, 1, 1, 2, 1, 1, 1, 2, 2, 1,
0, 2, 1, 2, 1, 1, 2, 1, 2, 1, 2, 2, 1, 2, 1,
2, 1, 2, 2, 1, 0, 2, 1, 2, 2, 1, 2, 1, 2, 2,
2, 2, 1, 2, 2, 2, 1, 2, 2, 2, 0, 0, 0, 1, 2,
1, 0, 0, 1, 2, 2, 0, 0, 1, 2, 0, 0, 2, 1, 2,
0, 1, 0, 1, 2, 1, 1, 0, 1, 2, 2, 1, 0, 1, 2,
1, 0, 2, 1, 2, 0, 2, 0, 1, 2, 1, 2, 0, 1, 2,
2, 2, 0, 1, 2, 2, 0, 2, 1, 2, 0, 2, 2, 1, 2,
1, 2, 2, 1, 2, 2, 2, 2, 1, 2, 2, 0, 2, 1, 2,
0, 0, 1, 1, 2, 1, 0, 1, 1, 2, 2, 0, 1, 1, 2,
0, 1, 2, 1, 2, 0, 1, 1, 1, 2, 1, 1, 1, 1, 2,
2, 1, 1, 1, 2, 1, 1, 2, 1, 2, 0, 2, 1, 1, 2,
1, 2, 1, 1, 2, 2, 2, 1, 1, 2, 2, 1, 2, 1, 2,
0, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 1, 2, 2, 2
};
private static ReadOnlySpan<byte> QuintEncodings => new byte[]
{
0, 0, 0, 1, 0, 0, 2, 0, 0, 3, 0, 0, 4, 0, 0,
0, 4, 0, 4, 4, 0, 4, 4, 4, 0, 1, 0, 1, 1, 0,
2, 1, 0, 3, 1, 0, 4, 1, 0, 1, 4, 0, 4, 4, 1,
4, 4, 4, 0, 2, 0, 1, 2, 0, 2, 2, 0, 3, 2, 0,
4, 2, 0, 2, 4, 0, 4, 4, 2, 4, 4, 4, 0, 3, 0,
1, 3, 0, 2, 3, 0, 3, 3, 0, 4, 3, 0, 3, 4, 0,
4, 4, 3, 4, 4, 4, 0, 0, 1, 1, 0, 1, 2, 0, 1,
3, 0, 1, 4, 0, 1, 0, 4, 1, 4, 0, 4, 0, 4, 4,
0, 1, 1, 1, 1, 1, 2, 1, 1, 3, 1, 1, 4, 1, 1,
1, 4, 1, 4, 1, 4, 1, 4, 4, 0, 2, 1, 1, 2, 1,
2, 2, 1, 3, 2, 1, 4, 2, 1, 2, 4, 1, 4, 2, 4,
2, 4, 4, 0, 3, 1, 1, 3, 1, 2, 3, 1, 3, 3, 1,
4, 3, 1, 3, 4, 1, 4, 3, 4, 3, 4, 4, 0, 0, 2,
1, 0, 2, 2, 0, 2, 3, 0, 2, 4, 0, 2, 0, 4, 2,
2, 0, 4, 3, 0, 4, 0, 1, 2, 1, 1, 2, 2, 1, 2,
3, 1, 2, 4, 1, 2, 1, 4, 2, 2, 1, 4, 3, 1, 4,
0, 2, 2, 1, 2, 2, 2, 2, 2, 3, 2, 2, 4, 2, 2,
2, 4, 2, 2, 2, 4, 3, 2, 4, 0, 3, 2, 1, 3, 2,
2, 3, 2, 3, 3, 2, 4, 3, 2, 3, 4, 2, 2, 3, 4,
3, 3, 4, 0, 0, 3, 1, 0, 3, 2, 0, 3, 3, 0, 3,
4, 0, 3, 0, 4, 3, 0, 0, 4, 1, 0, 4, 0, 1, 3,
1, 1, 3, 2, 1, 3, 3, 1, 3, 4, 1, 3, 1, 4, 3,
0, 1, 4, 1, 1, 4, 0, 2, 3, 1, 2, 3, 2, 2, 3,
3, 2, 3, 4, 2, 3, 2, 4, 3, 0, 2, 4, 1, 2, 4,
0, 3, 3, 1, 3, 3, 2, 3, 3, 3, 3, 3, 4, 3, 3,
3, 4, 3, 0, 3, 4, 1, 3, 4
};
}
}

31
Ryujinx.Graphics.Texture/Astc/IntegerSequence.cs Normal file
View file

@ -0,0 +1,31 @@
using System;
using System.Diagnostics;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace Ryujinx.Graphics.Texture.Astc
{
[StructLayout(LayoutKind.Sequential, Size = IntegerEncoded.StructSize * Capacity + sizeof(int))]
internal struct IntegerSequence
{
private const int Capacity = 100;
private int _length;
private IntegerEncoded _start;
public Span<IntegerEncoded> List => MemoryMarshal.CreateSpan(ref _start, _length);
public void Reset() => _length = 0;
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void Add(ref IntegerEncoded item)
{
Debug.Assert(_length < Capacity);
int oldLength = _length;
_length++;
List[oldLength] = item;
}
}
}

1
Ryujinx.Graphics.Texture/Ryujinx.Graphics.Texture.csproj
View file

@ -6,6 +6,7 @@
<PropertyGroup>
<TargetFramework>netcoreapp3.0</TargetFramework>
<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
</PropertyGroup>
</Project>