Initial work

1 files changed, 0 insertions, 269 deletions

diff --git a/Ryujinx.Graphics/Graphics3d/Texture/IntegerEncoded.cs b/Ryujinx.Graphics/Graphics3d/Texture/IntegerEncoded.cs
deleted file mode 100644
index e6d67058..00000000
--- a/Ryujinx.Graphics/Graphics3d/Texture/IntegerEncoded.cs
+++ /dev/null
@@ -1,269 +0,0 @@
-using System.Collections;
-using System.Collections.Generic;
-
-namespace Ryujinx.Graphics.Texture
-{
-    public struct IntegerEncoded
-    {
-        public enum EIntegerEncoding
-        {
-            JustBits,
-            Quint,
-            Trit
-        }
-
-        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 IntegerEncoded(EIntegerEncoding encoding, int numBits)
-        {
-            _encoding  = encoding;
-            NumberBits = numBits;
-            BitValue   = 0;
-            TritValue  = 0;
-            QuintValue = 0;
-        }
-
-        public bool MatchesEncoding(IntegerEncoded other)
-        {
-            return _encoding == other._encoding && NumberBits == other.NumberBits;
-        }
-
-        public EIntegerEncoding GetEncoding()
-        {
-            return _encoding;
-        }
-
-        public int GetBitLength(int numberVals)
-        {
-            int totalBits = NumberBits * numberVals;
-            if (_encoding == EIntegerEncoding.Trit)
-            {
-                totalBits += (numberVals * 8 + 4) / 5;
-            }
-            else if (_encoding == EIntegerEncoding.Quint)
-            {
-                totalBits += (numberVals * 7 + 2) / 3;
-            }
-            return totalBits;
-        }
-
-        public static IntegerEncoded CreateEncoding(int maxVal)
-        {
-            while (maxVal > 0)
-            {
-                int check = maxVal + 1;
-
-                // Is maxVal a power of two?
-                if ((check & (check - 1)) == 0)
-                {
-                    return new IntegerEncoded(EIntegerEncoding.JustBits, BitArrayStream.PopCnt(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));
-                }
-
-                // 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));
-                }
-
-                // Apparently it can't be represented with a bounded integer sequence...
-                // just iterate.
-                maxVal--;
-            }
-
-            return new IntegerEncoded(EIntegerEncoding.JustBits, 0);
-        }
-
-        public static void DecodeTritBlock(
-            BitArrayStream       bitStream, 
-            List<IntegerEncoded> listIntegerEncoded, 
-            int                  numberBitsPerValue)
-        {
-            // Implement the algorithm in section C.2.12
-            int[] m = new int[5];
-            int[] t = new int[5];
-            int T;
-
-            // Read the trit encoded block according to
-            // table C.2.14
-            m[0] = bitStream.ReadBits(numberBitsPerValue);
-            T    = bitStream.ReadBits(2);
-            m[1] = bitStream.ReadBits(numberBitsPerValue);
-            T   |= bitStream.ReadBits(2) << 2;
-            m[2] = bitStream.ReadBits(numberBitsPerValue);
-            T   |= bitStream.ReadBits(1) << 4;
-            m[3] = bitStream.ReadBits(numberBitsPerValue);
-            T   |= bitStream.ReadBits(2) << 5;
-            m[4] = bitStream.ReadBits(numberBitsPerValue);
-            T   |= bitStream.ReadBits(1) << 7;
-
-            int c = 0;
-
-            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));
-            }
-
-            for (int i = 0; i < 5; i++)
-            {
-                IntegerEncoded intEncoded = new IntegerEncoded(EIntegerEncoding.Trit, numberBitsPerValue)
-                {
-                    BitValue  = m[i],
-                    TritValue = t[i]
-                };
-                listIntegerEncoded.Add(intEncoded);
-            }
-        }
-
-        public static void DecodeQuintBlock(
-            BitArrayStream       bitStream, 
-            List<IntegerEncoded> listIntegerEncoded, 
-            int                  numberBitsPerValue)
-        {
-            // Implement the algorithm in section C.2.12
-            int[] m = new int[3];
-            int[] qa = new int[3];
-            int q;
-
-            // 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)
-            {
-                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);
-                }
-
-                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);
-                }
-            }
-
-            for (int i = 0; i < 3; i++)
-            {
-                IntegerEncoded intEncoded = new IntegerEncoded(EIntegerEncoding.Quint, numberBitsPerValue)
-                {
-                    BitValue   = m[i],
-                    QuintValue = qa[i]
-                };
-                listIntegerEncoded.Add(intEncoded);
-            }
-        }
-
-        public static void DecodeIntegerSequence(
-            List<IntegerEncoded> decodeIntegerSequence, 
-            BitArrayStream       bitStream, 
-            int                  maxRange, 
-            int                  numberValues)
-        {
-            // Determine encoding parameters
-            IntegerEncoded intEncoded = CreateEncoding(maxRange);
-
-            // Start decoding
-            int numberValuesDecoded = 0;
-            while (numberValuesDecoded < numberValues)
-            {
-                switch (intEncoded.GetEncoding())
-                {
-                    case EIntegerEncoding.Quint:
-                    {
-                        DecodeQuintBlock(bitStream, decodeIntegerSequence, intEncoded.NumberBits);
-                        numberValuesDecoded += 3;
-
-                        break;
-                    }
-
-                    case EIntegerEncoding.Trit:
-                    {
-                        DecodeTritBlock(bitStream, decodeIntegerSequence, intEncoded.NumberBits);
-                        numberValuesDecoded += 5;
-
-                        break;
-                    }
-
-                    case EIntegerEncoding.JustBits:
-                    {
-                        intEncoded.BitValue = bitStream.ReadBits(intEncoded.NumberBits);
-                        decodeIntegerSequence.Add(intEncoded);
-                        numberValuesDecoded++;
-
-                        break;
-                    }
-                }
-            }
-        }
-    }
-}