mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-09-11 10:18:52 +02:00
162 lines
No EOL
6.2 KiB
C#
162 lines
No EOL
6.2 KiB
C#
using System;
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namespace Ryujinx.Graphics.Gal.Shader
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{
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static class ShaderOpCodeTable
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{
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private const int EncodingBits = 14;
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private class ShaderDecodeEntry
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{
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public ShaderDecodeFunc Func;
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public int XBits;
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public ShaderDecodeEntry(ShaderDecodeFunc Func, int XBits)
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{
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this.Func = Func;
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this.XBits = XBits;
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}
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}
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private static ShaderDecodeEntry[] OpCodes;
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static ShaderOpCodeTable()
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{
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OpCodes = new ShaderDecodeEntry[1 << EncodingBits];
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#region Instructions
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Set("0100110000000x", ShaderDecode.Bfe_C);
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Set("0011100x00000x", ShaderDecode.Bfe_I);
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Set("0101110000000x", ShaderDecode.Bfe_R);
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Set("111000100100xx", ShaderDecode.Bra);
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Set("111000110000xx", ShaderDecode.Exit);
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Set("0100110010101x", ShaderDecode.F2f_C);
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Set("0011100x10101x", ShaderDecode.F2f_I);
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Set("0101110010101x", ShaderDecode.F2f_R);
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Set("0100110010110x", ShaderDecode.F2i_C);
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Set("0011100x10110x", ShaderDecode.F2i_I);
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Set("0101110010110x", ShaderDecode.F2i_R);
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Set("0100110001011x", ShaderDecode.Fadd_C);
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Set("0011100x01011x", ShaderDecode.Fadd_I);
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Set("0101110001011x", ShaderDecode.Fadd_R);
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Set("010010011xxxxx", ShaderDecode.Ffma_CR);
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Set("001100101xxxxx", ShaderDecode.Ffma_I);
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Set("010100011xxxxx", ShaderDecode.Ffma_RC);
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Set("010110011xxxxx", ShaderDecode.Ffma_RR);
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Set("00011110xxxxxx", ShaderDecode.Fmul_I32);
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Set("0100110001101x", ShaderDecode.Fmul_C);
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Set("0011100x01101x", ShaderDecode.Fmul_I);
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Set("0101110001101x", ShaderDecode.Fmul_R);
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Set("0100110001100x", ShaderDecode.Fmnmx_C);
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Set("0011100x01100x", ShaderDecode.Fmnmx_I);
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Set("0101110001100x", ShaderDecode.Fmnmx_R);
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Set("0100100xxxxxxx", ShaderDecode.Fset_C);
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Set("0011000xxxxxxx", ShaderDecode.Fset_I);
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Set("01011000xxxxxx", ShaderDecode.Fset_R);
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Set("010010111011xx", ShaderDecode.Fsetp_C);
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Set("0011011x1011xx", ShaderDecode.Fsetp_I);
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Set("010110111011xx", ShaderDecode.Fsetp_R);
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Set("0100110010111x", ShaderDecode.I2f_C);
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Set("0011100x10111x", ShaderDecode.I2f_I);
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Set("0101110010111x", ShaderDecode.I2f_R);
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Set("0100110011100x", ShaderDecode.I2i_C);
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Set("0011100x11100x", ShaderDecode.I2i_I);
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Set("0101110011100x", ShaderDecode.I2i_R);
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Set("0100110000100x", ShaderDecode.Imnmx_C);
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Set("0011100x00100x", ShaderDecode.Imnmx_I);
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Set("0101110000100x", ShaderDecode.Imnmx_R);
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Set("11100000xxxxxx", ShaderDecode.Ipa);
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Set("0100110000011x", ShaderDecode.Iscadd_C);
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Set("0011100x00011x", ShaderDecode.Iscadd_I);
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Set("0101110000011x", ShaderDecode.Iscadd_R);
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Set("010010110110xx", ShaderDecode.Isetp_C);
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Set("0011011x0110xx", ShaderDecode.Isetp_I);
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Set("010110110110xx", ShaderDecode.Isetp_R);
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Set("111000110011xx", ShaderDecode.Kil);
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Set("1110111111011x", ShaderDecode.Ld_A);
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Set("1110111110010x", ShaderDecode.Ld_C);
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Set("000001xxxxxxxx", ShaderDecode.Lop_I32);
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Set("0100110010011x", ShaderDecode.Mov_C);
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Set("0011100x10011x", ShaderDecode.Mov_I);
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Set("000000010000xx", ShaderDecode.Mov_I32);
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Set("0101110010011x", ShaderDecode.Mov_R);
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Set("0101000010000x", ShaderDecode.Mufu);
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Set("0101000010010x", ShaderDecode.Psetp);
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Set("0100110010010x", ShaderDecode.Rro_C);
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Set("0011100x10010x", ShaderDecode.Rro_I);
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Set("0101110010010x", ShaderDecode.Rro_R);
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Set("0100110001001x", ShaderDecode.Shl_C);
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Set("0011100x01001x", ShaderDecode.Shl_I);
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Set("0101110001001x", ShaderDecode.Shl_R);
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Set("0100110000101x", ShaderDecode.Shr_C);
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Set("0011100x00101x", ShaderDecode.Shr_I);
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Set("0101110000101x", ShaderDecode.Shr_R);
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Set("1110111111110x", ShaderDecode.St_A);
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Set("110000xxxx111x", ShaderDecode.Tex);
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Set("1101111101001x", ShaderDecode.Texq);
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Set("1101100xxxxxxx", ShaderDecode.Texs);
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Set("1101101xxxxxxx", ShaderDecode.Tlds);
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Set("0100111xxxxxxx", ShaderDecode.Xmad_CR);
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Set("0011011x00xxxx", ShaderDecode.Xmad_I);
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Set("010100010xxxxx", ShaderDecode.Xmad_RC);
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Set("0101101100xxxx", ShaderDecode.Xmad_RR);
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#endregion
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}
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private static void Set(string Encoding, ShaderDecodeFunc Func)
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{
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if (Encoding.Length != EncodingBits)
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{
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throw new ArgumentException(nameof(Encoding));
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}
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int Bit = Encoding.Length - 1;
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int Value = 0;
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int XMask = 0;
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int XBits = 0;
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int[] XPos = new int[Encoding.Length];
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for (int Index = 0; Index < Encoding.Length; Index++, Bit--)
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{
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char Chr = Encoding[Index];
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if (Chr == '1')
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{
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Value |= 1 << Bit;
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}
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else if (Chr == 'x')
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{
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XMask |= 1 << Bit;
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XPos[XBits++] = Bit;
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}
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}
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XMask = ~XMask;
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ShaderDecodeEntry Entry = new ShaderDecodeEntry(Func, XBits);
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for (int Index = 0; Index < (1 << XBits); Index++)
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{
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Value &= XMask;
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for (int X = 0; X < XBits; X++)
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{
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Value |= ((Index >> X) & 1) << XPos[X];
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}
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if (OpCodes[Value] == null || OpCodes[Value].XBits > XBits)
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{
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OpCodes[Value] = Entry;
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}
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}
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}
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public static ShaderDecodeFunc GetDecoder(long OpCode)
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{
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return OpCodes[(ulong)OpCode >> (64 - EncodingBits)]?.Func;
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}
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}
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} |