Move solution and projects to src

1 files changed, 0 insertions, 682 deletions

diff --git a/Ryujinx.Graphics.Texture/ETC2Decoder.cs b/Ryujinx.Graphics.Texture/ETC2Decoder.cs
deleted file mode 100644
index 21ff4be4..00000000
--- a/Ryujinx.Graphics.Texture/ETC2Decoder.cs
+++ /dev/null
@@ -1,682 +0,0 @@
-using Ryujinx.Common;
-using System;
-using System.Buffers.Binary;
-using System.Runtime.InteropServices;
-
-namespace Ryujinx.Graphics.Texture
-{
-    public static class ETC2Decoder
-    {
-        private const uint AlphaMask = 0xff000000u;
-
-        private const int BlockWidth = 4;
-        private const int BlockHeight = 4;
-
-        private static readonly int[][] _etc1Lut =
-        {
-            new int[] { 2, 8, -2, -8 },
-            new int[] { 5, 17, -5, -17 },
-            new int[] { 9, 29, -9, -29 },
-            new int[] { 13, 42, -13, -42 },
-            new int[] { 18, 60, -18, -60 },
-            new int[] { 24, 80, -24, -80 },
-            new int[] { 33, 106, -33, -106 },
-            new int[] { 47, 183, -47, -183 }
-        };
-
-        private static readonly int[] _etc2Lut =
-        {
-            3, 6, 11, 16, 23, 32, 41, 64
-        };
-
-        private static readonly int[][] _etc2AlphaLut =
-        {
-            new int[] { -3, -6, -9, -15, 2, 5, 8, 14 },
-            new int[] { -3, -7, -10, -13, 2, 6, 9, 12 },
-            new int[] { -2, -5, -8, -13, 1, 4, 7, 12 },
-            new int[] { -2, -4, -6, -13, 1, 3, 5, 12 },
-            new int[] { -3, -6, -8, -12, 2, 5, 7, 11 },
-            new int[] { -3, -7, -9, -11, 2, 6, 8, 10 },
-            new int[] { -4, -7, -8, -11, 3, 6, 7, 10 },
-            new int[] { -3, -5, -8, -11, 2, 4, 7, 10 },
-            new int[] { -2, -6, -8, -10, 1, 5, 7, 9 },
-            new int[] { -2, -5, -8, -10, 1, 4, 7, 9 },
-            new int[] { -2, -4, -8, -10, 1, 3, 7, 9 },
-            new int[] { -2, -5, -7, -10, 1, 4, 6, 9 },
-            new int[] { -3, -4, -7, -10, 2, 3, 6, 9 },
-            new int[] { -1, -2, -3, -10, 0, 1, 2, 9 },
-            new int[] { -4, -6, -8, -9, 3, 5, 7, 8 },
-            new int[] { -3, -5, -7, -9, 2, 4, 6, 8 }
-        };
-
-        public static byte[] DecodeRgb(ReadOnlySpan<byte> data, int width, int height, int depth, int levels, int layers)
-        {
-            ReadOnlySpan<ulong> dataUlong = MemoryMarshal.Cast<byte, ulong>(data);
-
-            int inputOffset = 0;
-
-            byte[] output = new byte[CalculateOutputSize(width, height, depth, levels, layers)];
-
-            Span<uint> outputUint = MemoryMarshal.Cast<byte, uint>(output);
-            Span<uint> tile = stackalloc uint[BlockWidth * BlockHeight];
-
-            int imageBaseOOffs = 0;
-
-            for (int l = 0; l < levels; l++)
-            {
-                int wInBlocks = BitUtils.DivRoundUp(width, BlockWidth);
-                int hInBlocks = BitUtils.DivRoundUp(height, BlockHeight);
-
-                for (int l2 = 0; l2 < layers; l2++)
-                {
-                    for (int z = 0; z < depth; z++)
-                    {
-                        for (int y = 0; y < hInBlocks; y++)
-                        {
-                            int ty = y * BlockHeight;
-                            int bh = Math.Min(BlockHeight, height - ty);
-
-                            for (int x = 0; x < wInBlocks; x++)
-                            {
-                                int tx = x * BlockWidth;
-                                int bw = Math.Min(BlockWidth, width - tx);
-
-                                ulong colorBlock = dataUlong[inputOffset++];
-
-                                DecodeBlock(tile, colorBlock);
-
-                                for (int py = 0; py < bh; py++)
-                                {
-                                    int oOffsBase = imageBaseOOffs + ((ty + py) * width) + tx;
-
-                                    for (int px = 0; px < bw; px++)
-                                    {
-                                        int oOffs = oOffsBase + px;
-
-                                        outputUint[oOffs] = tile[py * BlockWidth + px] | AlphaMask;
-                                    }
-                                }
-                            }
-                        }
-
-                        imageBaseOOffs += width * height;
-                    }
-                }
-
-                width = Math.Max(1, width >> 1);
-                height = Math.Max(1, height >> 1);
-                depth = Math.Max(1, depth >> 1);
-            }
-
-            return output;
-        }
-
-        public static byte[] DecodePta(ReadOnlySpan<byte> data, int width, int height, int depth, int levels, int layers)
-        {
-            ReadOnlySpan<ulong> dataUlong = MemoryMarshal.Cast<byte, ulong>(data);
-
-            int inputOffset = 0;
-
-            byte[] output = new byte[CalculateOutputSize(width, height, depth, levels, layers)];
-
-            Span<uint> outputUint = MemoryMarshal.Cast<byte, uint>(output);
-            Span<uint> tile = stackalloc uint[BlockWidth * BlockHeight];
-
-            int imageBaseOOffs = 0;
-
-            for (int l = 0; l < levels; l++)
-            {
-                int wInBlocks = BitUtils.DivRoundUp(width, BlockWidth);
-                int hInBlocks = BitUtils.DivRoundUp(height, BlockHeight);
-
-                for (int l2 = 0; l2 < layers; l2++)
-                {
-                    for (int z = 0; z < depth; z++)
-                    {
-                        for (int y = 0; y < hInBlocks; y++)
-                        {
-                            int ty = y * BlockHeight;
-                            int bh = Math.Min(BlockHeight, height - ty);
-
-                            for (int x = 0; x < wInBlocks; x++)
-                            {
-                                int tx = x * BlockWidth;
-                                int bw = Math.Min(BlockWidth, width - tx);
-
-                                ulong colorBlock = dataUlong[inputOffset++];
-
-                                DecodeBlockPta(tile, colorBlock);
-
-                                for (int py = 0; py < bh; py++)
-                                {
-                                    int oOffsBase = imageBaseOOffs + ((ty + py) * width) + tx;
-
-                                    tile.Slice(py * BlockWidth, bw).CopyTo(outputUint.Slice(oOffsBase, bw));
-                                }
-                            }
-                        }
-
-                        imageBaseOOffs += width * height;
-                    }
-                }
-
-                width = Math.Max(1, width >> 1);
-                height = Math.Max(1, height >> 1);
-                depth = Math.Max(1, depth >> 1);
-            }
-
-            return output;
-        }
-
-        public static byte[] DecodeRgba(ReadOnlySpan<byte> data, int width, int height, int depth, int levels, int layers)
-        {
-            ReadOnlySpan<ulong> dataUlong = MemoryMarshal.Cast<byte, ulong>(data);
-
-            int inputOffset = 0;
-
-            byte[] output = new byte[CalculateOutputSize(width, height, depth, levels, layers)];
-
-            Span<uint> outputUint = MemoryMarshal.Cast<byte, uint>(output);
-            Span<uint> tile = stackalloc uint[BlockWidth * BlockHeight];
-
-            int imageBaseOOffs = 0;
-
-            for (int l = 0; l < levels; l++)
-            {
-                int wInBlocks = BitUtils.DivRoundUp(width, BlockWidth);
-                int hInBlocks = BitUtils.DivRoundUp(height, BlockHeight);
-
-                for (int l2 = 0; l2 < layers; l2++)
-                {
-                    for (int z = 0; z < depth; z++)
-                    {
-                        for (int y = 0; y < hInBlocks; y++)
-                        {
-                            int ty = y * BlockHeight;
-                            int bh = Math.Min(BlockHeight, height - ty);
-
-                            for (int x = 0; x < wInBlocks; x++)
-                            {
-                                int tx = x * BlockWidth;
-                                int bw = Math.Min(BlockWidth, width - tx);
-
-                                ulong alphaBlock = dataUlong[inputOffset];
-                                ulong colorBlock = dataUlong[inputOffset + 1];
-
-                                inputOffset += 2;
-
-                                DecodeBlock(tile, colorBlock);
-
-                                byte alphaBase = (byte)alphaBlock;
-                                int[] alphaTable = _etc2AlphaLut[(alphaBlock >> 8) & 0xf];
-                                int alphaMultiplier = (int)(alphaBlock >> 12) & 0xf;
-                                ulong alphaIndices = BinaryPrimitives.ReverseEndianness(alphaBlock);
-
-                                if (alphaMultiplier != 0)
-                                {
-                                    for (int py = 0; py < bh; py++)
-                                    {
-                                        int oOffsBase = imageBaseOOffs + ((ty + py) * width) + tx;
-
-                                        for (int px = 0; px < bw; px++)
-                                        {
-                                            int oOffs = oOffsBase + px;
-                                            int alphaIndex = (int)((alphaIndices >> (((px * BlockHeight + py) ^ 0xf) * 3)) & 7);
-
-                                            byte a = Saturate(alphaBase + alphaTable[alphaIndex] * alphaMultiplier);
-
-                                            outputUint[oOffs] = tile[py * BlockWidth + px] | ((uint)a << 24);
-                                        }
-                                    }
-                                }
-                                else
-                                {
-                                    uint a = (uint)alphaBase << 24;
-
-                                    for (int py = 0; py < bh; py++)
-                                    {
-                                        int oOffsBase = imageBaseOOffs + ((ty + py) * width) + tx;
-
-                                        for (int px = 0; px < bw; px++)
-                                        {
-                                            int oOffs = oOffsBase + px;
-
-                                            outputUint[oOffs] = tile[py * BlockWidth + px] | a;
-                                        }
-                                    }
-                                }
-                            }
-                        }
-
-                        imageBaseOOffs += width * height;
-                    }
-                }
-
-                width = Math.Max(1, width >> 1);
-                height = Math.Max(1, height >> 1);
-                depth = Math.Max(1, depth >> 1);
-            }
-
-            return output;
-        }
-
-        private static void DecodeBlock(Span<uint> tile, ulong block)
-        {
-            uint blockLow = (uint)(block >> 0);
-            uint blockHigh = (uint)(block >> 32);
-
-            uint r1, g1, b1;
-            uint r2, g2, b2;
-
-            bool differentialMode = (blockLow & 0x2000000) != 0;
-
-            if (differentialMode)
-            {
-                (r1, g1, b1, r2, g2, b2) = UnpackRgb555DiffEndPoints(blockLow);
-
-                if (r2 > 31)
-                {
-                    DecodeBlock59T(tile, blockLow, blockHigh);
-                }
-                else if (g2 > 31)
-                {
-                    DecodeBlock58H(tile, blockLow, blockHigh);
-                }
-                else if (b2 > 31)
-                {
-                    DecodeBlock57P(tile, block);
-                }
-                else
-                {
-                    r1 |= r1 >> 5;
-                    g1 |= g1 >> 5;
-                    b1 |= b1 >> 5;
-
-                    r2 = (r2 << 3) | (r2 >> 2);
-                    g2 = (g2 << 3) | (g2 >> 2);
-                    b2 = (b2 << 3) | (b2 >> 2);
-
-                    DecodeBlockETC1(tile, blockLow, blockHigh, r1, g1, b1, r2, g2, b2);
-                }
-            }
-            else
-            {
-                r1 = (blockLow & 0x0000f0) >> 0;
-                g1 = (blockLow & 0x00f000) >> 8;
-                b1 = (blockLow & 0xf00000) >> 16;
-
-                r2 = (blockLow & 0x00000f) << 4;
-                g2 = (blockLow & 0x000f00) >> 4;
-                b2 = (blockLow & 0x0f0000) >> 12;
-
-                r1 |= r1 >> 4;
-                g1 |= g1 >> 4;
-                b1 |= b1 >> 4;
-
-                r2 |= r2 >> 4;
-                g2 |= g2 >> 4;
-                b2 |= b2 >> 4;
-
-                DecodeBlockETC1(tile, blockLow, blockHigh, r1, g1, b1, r2, g2, b2);
-            }
-        }
-
-        private static void DecodeBlockPta(Span<uint> tile, ulong block)
-        {
-            uint blockLow = (uint)(block >> 0);
-            uint blockHigh = (uint)(block >> 32);
-
-            (uint r1, uint g1, uint b1, uint r2, uint g2, uint b2) = UnpackRgb555DiffEndPoints(blockLow);
-
-            bool fullyOpaque = (blockLow & 0x2000000) != 0;
-
-            if (fullyOpaque)
-            {
-                if (r2 > 31)
-                {
-                    DecodeBlock59T(tile, blockLow, blockHigh);
-                }
-                else if (g2 > 31)
-                {
-                    DecodeBlock58H(tile, blockLow, blockHigh);
-                }
-                else if (b2 > 31)
-                {
-                    DecodeBlock57P(tile, block);
-                }
-                else
-                {
-                    r1 |= r1 >> 5;
-                    g1 |= g1 >> 5;
-                    b1 |= b1 >> 5;
-
-                    r2 = (r2 << 3) | (r2 >> 2);
-                    g2 = (g2 << 3) | (g2 >> 2);
-                    b2 = (b2 << 3) | (b2 >> 2);
-
-                    DecodeBlockETC1(tile, blockLow, blockHigh, r1, g1, b1, r2, g2, b2);
-                }
-
-                for (int i = 0; i < tile.Length; i++)
-                {
-                    tile[i] |= AlphaMask;
-                }
-            }
-            else
-            {
-                if (r2 > 31)
-                {
-                    DecodeBlock59T(tile, blockLow, blockHigh, AlphaMask);
-                }
-                else if (g2 > 31)
-                {
-                    DecodeBlock58H(tile, blockLow, blockHigh, AlphaMask);
-                }
-                else if (b2 > 31)
-                {
-                    DecodeBlock57P(tile, block);
-
-                    for (int i = 0; i < tile.Length; i++)
-                    {
-                        tile[i] |= AlphaMask;
-                    }
-                }
-                else
-                {
-                    r1 |= r1 >> 5;
-                    g1 |= g1 >> 5;
-                    b1 |= b1 >> 5;
-
-                    r2 = (r2 << 3) | (r2 >> 2);
-                    g2 = (g2 << 3) | (g2 >> 2);
-                    b2 = (b2 << 3) | (b2 >> 2);
-
-                    DecodeBlockETC1(tile, blockLow, blockHigh, r1, g1, b1, r2, g2, b2, AlphaMask);
-                }
-            }
-        }
-
-        private static (uint, uint, uint, uint, uint, uint) UnpackRgb555DiffEndPoints(uint blockLow)
-        {
-            uint r1 = (blockLow & 0x0000f8) >> 0;
-            uint g1 = (blockLow & 0x00f800) >> 8;
-            uint b1 = (blockLow & 0xf80000) >> 16;
-
-            uint r2 = (uint)((sbyte)(r1 >> 3) + ((sbyte)((blockLow & 0x000007) << 5) >> 5));
-            uint g2 = (uint)((sbyte)(g1 >> 3) + ((sbyte)((blockLow & 0x000700) >> 3) >> 5));
-            uint b2 = (uint)((sbyte)(b1 >> 3) + ((sbyte)((blockLow & 0x070000) >> 11) >> 5));
-
-            return (r1, g1, b1, r2, g2, b2);
-        }
-
-        private static void DecodeBlock59T(Span<uint> tile, uint blockLow, uint blockHigh, uint alphaMask = 0)
-        {
-            uint r1 = (blockLow & 3) | ((blockLow >> 1) & 0xc);
-            uint g1 = (blockLow >> 12) & 0xf;
-            uint b1 = (blockLow >> 8) & 0xf;
-
-            uint r2 = (blockLow >> 20) & 0xf;
-            uint g2 = (blockLow >> 16) & 0xf;
-            uint b2 = (blockLow >> 28) & 0xf;
-
-            r1 |= r1 << 4;
-            g1 |= g1 << 4;
-            b1 |= b1 << 4;
-
-            r2 |= r2 << 4;
-            g2 |= g2 << 4;
-            b2 |= b2 << 4;
-
-            int dist = _etc2Lut[((blockLow >> 24) & 1) | ((blockLow >> 25) & 6)];
-
-            Span<uint> palette = stackalloc uint[4];
-
-            palette[0] = Pack(r1, g1, b1);
-            palette[1] = Pack(r2, g2, b2, dist);
-            palette[2] = Pack(r2, g2, b2);
-            palette[3] = Pack(r2, g2, b2, -dist);
-
-            blockHigh = BinaryPrimitives.ReverseEndianness(blockHigh);
-
-            for (int y = 0; y < BlockHeight; y++)
-            {
-                for (int x = 0; x < BlockWidth; x++)
-                {
-                    int offset = (y * 4) + x;
-                    int index = (x * 4) + y;
-
-                    int paletteIndex = (int)((blockHigh >> index) & 1) | (int)((blockHigh >> (index + 15)) & 2);
-
-                    tile[offset] = palette[paletteIndex];
-
-                    if (alphaMask != 0)
-                    {
-                        if (paletteIndex == 2)
-                        {
-                            tile[offset] = 0;
-                        }
-                        else
-                        {
-                            tile[offset] |= alphaMask;
-                        }
-                    }
-                }
-            }
-        }
-
-        private static void DecodeBlock58H(Span<uint> tile, uint blockLow, uint blockHigh, uint alphaMask = 0)
-        {
-            uint r1 = (blockLow >> 3) & 0xf;
-            uint g1 = ((blockLow << 1) & 0xe) | ((blockLow >> 12) & 1);
-            uint b1 = ((blockLow >> 23) & 1) | ((blockLow >> 7) & 6) | ((blockLow >> 8) & 8);
-
-            uint r2 = (blockLow >> 19) & 0xf;
-            uint g2 = ((blockLow >> 31) & 1) | ((blockLow >> 15) & 0xe);
-            uint b2 = (blockLow >> 27) & 0xf;
-
-            uint rgb1 = Pack4Be(r1, g1, b1);
-            uint rgb2 = Pack4Be(r2, g2, b2);
-
-            r1 |= r1 << 4;
-            g1 |= g1 << 4;
-            b1 |= b1 << 4;
-
-            r2 |= r2 << 4;
-            g2 |= g2 << 4;
-            b2 |= b2 << 4;
-
-            int dist = _etc2Lut[(rgb1 >= rgb2 ? 1u : 0u) | ((blockLow >> 23) & 2) | ((blockLow >> 24) & 4)];
-
-            Span<uint> palette = stackalloc uint[4];
-
-            palette[0] = Pack(r1, g1, b1, dist);
-            palette[1] = Pack(r1, g1, b1, -dist);
-            palette[2] = Pack(r2, g2, b2, dist);
-            palette[3] = Pack(r2, g2, b2, -dist);
-
-            blockHigh = BinaryPrimitives.ReverseEndianness(blockHigh);
-
-            for (int y = 0; y < BlockHeight; y++)
-            {
-                for (int x = 0; x < BlockWidth; x++)
-                {
-                    int offset = (y * 4) + x;
-                    int index = (x * 4) + y;
-
-                    int paletteIndex = (int)((blockHigh >> index) & 1) | (int)((blockHigh >> (index + 15)) & 2);
-
-                    tile[offset] = palette[paletteIndex];
-
-                    if (alphaMask != 0)
-                    {
-                        if (paletteIndex == 2)
-                        {
-                            tile[offset] = 0;
-                        }
-                        else
-                        {
-                            tile[offset] |= alphaMask;
-                        }
-                    }
-                }
-            }
-        }
-
-        private static void DecodeBlock57P(Span<uint> tile, ulong block)
-        {
-            int r0 = (int)((block >> 1) & 0x3f);
-            int g0 = (int)(((block >> 9) & 0x3f) | ((block & 1) << 6));
-            int b0 = (int)(((block >> 31) & 1) | ((block >> 15) & 6) | ((block >> 16) & 0x18) | ((block >> 3) & 0x20));
-
-            int rh = (int)(((block >> 24) & 1) | ((block >> 25) & 0x3e));
-            int gh = (int)((block >> 33) & 0x7f);
-            int bh = (int)(((block >> 43) & 0x1f) | ((block >> 27) & 0x20));
-
-            int rv = (int)(((block >> 53) & 7) | ((block >> 37) & 0x38));
-            int gv = (int)(((block >> 62) & 3) | ((block >> 46) & 0x7c));
-            int bv = (int)((block >> 56) & 0x3f);
-
-            r0 = (r0 << 2) | (r0 >> 4);
-            g0 = (g0 << 1) | (g0 >> 6);
-            b0 = (b0 << 2) | (b0 >> 4);
-
-            rh = (rh << 2) | (rh >> 4);
-            gh = (gh << 1) | (gh >> 6);
-            bh = (bh << 2) | (bh >> 4);
-
-            rv = (rv << 2) | (rv >> 4);
-            gv = (gv << 1) | (gv >> 6);
-            bv = (bv << 2) | (bv >> 4);
-
-            for (int y = 0; y < BlockHeight; y++)
-            {
-                for (int x = 0; x < BlockWidth; x++)
-                {
-                    int offset = y * BlockWidth + x;
-
-                    byte r = Saturate(((x * (rh - r0)) + (y * (rv - r0)) + (r0 * 4) + 2) >> 2);
-                    byte g = Saturate(((x * (gh - g0)) + (y * (gv - g0)) + (g0 * 4) + 2) >> 2);
-                    byte b = Saturate(((x * (bh - b0)) + (y * (bv - b0)) + (b0 * 4) + 2) >> 2);
-
-                    tile[offset] = Pack(r, g, b);
-                }
-            }
-        }
-
-        private static void DecodeBlockETC1(
-            Span<uint> tile,
-            uint blockLow,
-            uint blockHigh,
-            uint r1,
-            uint g1,
-            uint b1,
-            uint r2,
-            uint g2,
-            uint b2,
-            uint alphaMask = 0)
-        {
-            int[] table1 = _etc1Lut[(blockLow >> 29) & 7];
-            int[] table2 = _etc1Lut[(blockLow >> 26) & 7];
-
-            bool flip = (blockLow & 0x1000000) != 0;
-
-            if (!flip)
-            {
-                for (int y = 0; y < BlockHeight; y++)
-                {
-                    for (int x = 0; x < BlockWidth / 2; x++)
-                    {
-                        uint color1 = CalculatePixel(r1, g1, b1, x + 0, y, blockHigh, table1, alphaMask);
-                        uint color2 = CalculatePixel(r2, g2, b2, x + 2, y, blockHigh, table2, alphaMask);
-
-                        int offset1 = y * BlockWidth + x;
-                        int offset2 = y * BlockWidth + x + 2;
-
-                        tile[offset1] = color1;
-                        tile[offset2] = color2;
-                    }
-                }
-            }
-            else
-            {
-                for (int y = 0; y < BlockHeight / 2; y++)
-                {
-                    for (int x = 0; x < BlockWidth; x++)
-                    {
-                        uint color1 = CalculatePixel(r1, g1, b1, x, y + 0, blockHigh, table1, alphaMask);
-                        uint color2 = CalculatePixel(r2, g2, b2, x, y + 2, blockHigh, table2, alphaMask);
-
-                        int offset1 = (y * BlockWidth) + x;
-                        int offset2 = ((y + 2) * BlockWidth) + x;
-
-                        tile[offset1] = color1;
-                        tile[offset2] = color2;
-                    }
-                }
-            }
-        }
-
-        private static uint CalculatePixel(uint r, uint g, uint b, int x, int y, uint block, int[] table, uint alphaMask)
-        {
-            int index = x * BlockHeight + y;
-            uint msb = block << 1;
-            uint tableIndex = index < 8
-                ? ((block >> (index + 24)) & 1) + ((msb >> (index + 8)) & 2)
-                : ((block >> (index + 8)) & 1) + ((msb >> (index - 8)) & 2);
-
-            if (alphaMask != 0)
-            {
-                if (tableIndex == 0)
-                {
-                    return Pack(r, g, b) | alphaMask;
-                }
-                else if (tableIndex == 2)
-                {
-                    return 0;
-                }
-                else
-                {
-                    return Pack(r, g, b, table[tableIndex]) | alphaMask;
-                }
-            }
-
-            return Pack(r, g, b, table[tableIndex]);
-        }
-
-        private static uint Pack(uint r, uint g, uint b, int offset)
-        {
-            r = Saturate((int)(r + offset));
-            g = Saturate((int)(g + offset));
-            b = Saturate((int)(b + offset));
-
-            return Pack(r, g, b);
-        }
-
-        private static uint Pack(uint r, uint g, uint b)
-        {
-            return r | (g << 8) | (b << 16);
-        }
-
-        private static uint Pack4Be(uint r, uint g, uint b)
-        {
-            return (r << 8) | (g << 4) | b;
-        }
-
-        private static byte Saturate(int value)
-        {
-            return value > byte.MaxValue ? byte.MaxValue : value < byte.MinValue ? byte.MinValue : (byte)value;
-        }
-
-        private static int CalculateOutputSize(int width, int height, int depth, int levels, int layers)
-        {
-            int size = 0;
-
-            for (int l = 0; l < levels; l++)
-            {
-                size += Math.Max(1, width >> l) * Math.Max(1, height >> l) * Math.Max(1, depth >> l) * layers * 4;
-            }
-
-            return size;
-        }
-    }
-}