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Ryujinx-uplift/Ryujinx.Graphics/Shader/Decoders/OpCodeTable.cs

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New shader translator implementation (#654) * Start implementing a new shader translator * Fix shift instructions and a typo * Small refactoring on StructuredProgram, move RemovePhis method to a separate class * Initial geometry shader support * Implement TLD4 * Fix -- There's no negation on FMUL32I * Add constant folding and algebraic simplification optimizations, nits * Some leftovers from constant folding * Avoid cast for constant assignments * Add a branch elimination pass, and misc small fixes * Remove redundant branches, add expression propagation and other improvements on the code * Small leftovers -- add missing break and continue, remove unused properties, other improvements * Add null check to handle empty block cases on block visitor * Add HADD2 and HMUL2 half float shader instructions * Optimize pack/unpack sequences, some fixes related to half float instructions * Add TXQ, TLD, TLDS and TLD4S shader texture instructions, and some support for bindless textures, some refactoring on codegen * Fix copy paste mistake that caused RZ to be ignored on the AST instruction * Add workaround for conditional exit, and fix half float instruction with constant buffer * Add missing 0.0 source for TLDS.LZ variants * Simplify the switch for TLDS.LZ * Texture instructions related fixes * Implement the HFMA instruction, and some misc. fixes * Enable constant folding on UnpackHalf2x16 instructions * Refactor HFMA to use OpCode* for opcode decoding rather than on the helper methods * Remove the old shader translator * Remove ShaderDeclInfo and other unused things * Add dual vertex shader support * Add ShaderConfig, used to pass shader type and maximum cbuffer size * Move and rename some instruction enums * Move texture instructions into a separate file * Move operand GetExpression and locals management to OperandManager * Optimize opcode decoding using a simple list and binary search * Add missing condition for do-while on goto elimination * Misc. fixes on texture instructions * Simplify TLDS switch * Address PR feedback, and a nit
2019-04-18 01:57:08 +02:00
using Ryujinx.Graphics.Shader.Instructions;
using System;
namespace Ryujinx.Graphics.Shader.Decoders
{
static class OpCodeTable
{
private const int EncodingBits = 14;
private class TableEntry
{
public InstEmitter Emitter { get; }
public Type OpCodeType { get; }
public int XBits { get; }
public TableEntry(InstEmitter emitter, Type opCodeType, int xBits)
{
Emitter = emitter;
OpCodeType = opCodeType;
XBits = xBits;
}
}
private static TableEntry[] _opCodes;
static OpCodeTable()
{
_opCodes = new TableEntry[1 << EncodingBits];
#region Instructions
Set("1110111111011x", InstEmit.Ald, typeof(OpCodeAttribute));
Set("1110111111110x", InstEmit.Ast, typeof(OpCodeAttribute));
Set("0100110000000x", InstEmit.Bfe, typeof(OpCodeAluCbuf));
Set("0011100x00000x", InstEmit.Bfe, typeof(OpCodeAluImm));
Set("0101110000000x", InstEmit.Bfe, typeof(OpCodeAluReg));
Set("111000100100xx", InstEmit.Bra, typeof(OpCodeBranch));
Set("111000110000xx", InstEmit.Exit, typeof(OpCodeExit));
Set("0100110010101x", InstEmit.F2F, typeof(OpCodeFArithCbuf));
Set("0011100x10101x", InstEmit.F2F, typeof(OpCodeFArithImm));
Set("0101110010101x", InstEmit.F2F, typeof(OpCodeFArithReg));
Set("0100110010110x", InstEmit.F2I, typeof(OpCodeFArithCbuf));
Set("0011100x10110x", InstEmit.F2I, typeof(OpCodeFArithImm));
Set("0101110010110x", InstEmit.F2I, typeof(OpCodeFArithReg));
Set("0100110001011x", InstEmit.Fadd, typeof(OpCodeFArithCbuf));
Set("0011100x01011x", InstEmit.Fadd, typeof(OpCodeFArithImm));
Set("000010xxxxxxxx", InstEmit.Fadd, typeof(OpCodeFArithImm32));
Set("0101110001011x", InstEmit.Fadd, typeof(OpCodeFArithReg));
Set("010010011xxxxx", InstEmit.Ffma, typeof(OpCodeFArithCbuf));
Set("0011001x1xxxxx", InstEmit.Ffma, typeof(OpCodeFArithImm));
Set("010100011xxxxx", InstEmit.Ffma, typeof(OpCodeFArithRegCbuf));
Set("010110011xxxxx", InstEmit.Ffma, typeof(OpCodeFArithReg));
Set("0100110001100x", InstEmit.Fmnmx, typeof(OpCodeFArithCbuf));
Set("0011100x01100x", InstEmit.Fmnmx, typeof(OpCodeFArithImm));
Set("0101110001100x", InstEmit.Fmnmx, typeof(OpCodeFArithReg));
Set("0100110001101x", InstEmit.Fmul, typeof(OpCodeFArithCbuf));
Set("0011100x01101x", InstEmit.Fmul, typeof(OpCodeFArithImm));
Set("00011110xxxxxx", InstEmit.Fmul, typeof(OpCodeFArithImm32));
Set("0101110001101x", InstEmit.Fmul, typeof(OpCodeFArithReg));
Set("0100100xxxxxxx", InstEmit.Fset, typeof(OpCodeSetCbuf));
Set("0011000xxxxxxx", InstEmit.Fset, typeof(OpCodeFsetImm));
Set("01011000xxxxxx", InstEmit.Fset, typeof(OpCodeSetReg));
Set("010010111011xx", InstEmit.Fsetp, typeof(OpCodeSetCbuf));
Set("0011011x1011xx", InstEmit.Fsetp, typeof(OpCodeFsetImm));
Set("010110111011xx", InstEmit.Fsetp, typeof(OpCodeSetReg));
Set("0111101x1xxxxx", InstEmit.Hadd2, typeof(OpCodeAluCbuf));
Set("0111101x0xxxxx", InstEmit.Hadd2, typeof(OpCodeAluImm2x10));
Set("0010110xxxxxxx", InstEmit.Hadd2, typeof(OpCodeAluImm32));
Set("0101110100010x", InstEmit.Hadd2, typeof(OpCodeAluReg));
Set("01110xxx1xxxxx", InstEmit.Hfma2, typeof(OpCodeHfmaCbuf));
Set("01110xxx0xxxxx", InstEmit.Hfma2, typeof(OpCodeHfmaImm2x10));
Set("0010100xxxxxxx", InstEmit.Hfma2, typeof(OpCodeHfmaImm32));
Set("0101110100000x", InstEmit.Hfma2, typeof(OpCodeHfmaReg));
Set("01100xxx1xxxxx", InstEmit.Hfma2, typeof(OpCodeHfmaRegCbuf));
Set("0111100x1xxxxx", InstEmit.Hmul2, typeof(OpCodeAluCbuf));
Set("0111100x0xxxxx", InstEmit.Hmul2, typeof(OpCodeAluImm2x10));
Set("0010101xxxxxxx", InstEmit.Hmul2, typeof(OpCodeAluImm32));
Set("0101110100001x", InstEmit.Hmul2, typeof(OpCodeAluReg));
Set("0100110010111x", InstEmit.I2F, typeof(OpCodeAluCbuf));
Set("0011100x10111x", InstEmit.I2F, typeof(OpCodeAluImm));
Set("0101110010111x", InstEmit.I2F, typeof(OpCodeAluReg));
Set("0100110011100x", InstEmit.I2I, typeof(OpCodeAluCbuf));
Set("0011100x11100x", InstEmit.I2I, typeof(OpCodeAluImm));
Set("0101110011100x", InstEmit.I2I, typeof(OpCodeAluReg));
Set("0100110000010x", InstEmit.Iadd, typeof(OpCodeAluCbuf));
Set("0011100000010x", InstEmit.Iadd, typeof(OpCodeAluImm));
Set("0001110x0xxxxx", InstEmit.Iadd, typeof(OpCodeAluImm32));
Set("0101110000010x", InstEmit.Iadd, typeof(OpCodeAluReg));
Set("010011001100xx", InstEmit.Iadd3, typeof(OpCodeAluCbuf));
Set("001110001100xx", InstEmit.Iadd3, typeof(OpCodeAluImm));
Set("010111001100xx", InstEmit.Iadd3, typeof(OpCodeAluReg));
Set("0100110000100x", InstEmit.Imnmx, typeof(OpCodeAluCbuf));
Set("0011100x00100x", InstEmit.Imnmx, typeof(OpCodeAluImm));
Set("0101110000100x", InstEmit.Imnmx, typeof(OpCodeAluReg));
Set("11100000xxxxxx", InstEmit.Ipa, typeof(OpCodeIpa));
Set("0100110000011x", InstEmit.Iscadd, typeof(OpCodeAluCbuf));
Set("0011100x00011x", InstEmit.Iscadd, typeof(OpCodeAluImm));
Set("000101xxxxxxxx", InstEmit.Iscadd, typeof(OpCodeAluImm32));
Set("0101110000011x", InstEmit.Iscadd, typeof(OpCodeAluReg));
Set("010010110101xx", InstEmit.Iset, typeof(OpCodeSetCbuf));
Set("001101100101xx", InstEmit.Iset, typeof(OpCodeSetImm));
Set("010110110101xx", InstEmit.Iset, typeof(OpCodeSetReg));
Set("010010110110xx", InstEmit.Isetp, typeof(OpCodeSetCbuf));
Set("0011011x0110xx", InstEmit.Isetp, typeof(OpCodeSetImm));
Set("010110110110xx", InstEmit.Isetp, typeof(OpCodeSetReg));
Set("111000110011xx", InstEmit.Kil, typeof(OpCodeExit));
Set("1110111110010x", InstEmit.Ldc, typeof(OpCodeLdc));
Set("0100110001000x", InstEmit.Lop, typeof(OpCodeLopCbuf));
Set("0011100001000x", InstEmit.Lop, typeof(OpCodeLopImm));
Set("000001xxxxxxxx", InstEmit.Lop, typeof(OpCodeLopImm32));
Set("0101110001000x", InstEmit.Lop, typeof(OpCodeLopReg));
Set("0010000xxxxxxx", InstEmit.Lop3, typeof(OpCodeLopCbuf));
Set("001111xxxxxxxx", InstEmit.Lop3, typeof(OpCodeLopImm));
Set("0101101111100x", InstEmit.Lop3, typeof(OpCodeLopReg));
Set("0100110010011x", InstEmit.Mov, typeof(OpCodeAluCbuf));
Set("0011100x10011x", InstEmit.Mov, typeof(OpCodeAluImm));
Set("000000010000xx", InstEmit.Mov, typeof(OpCodeAluImm32));
Set("0101110010011x", InstEmit.Mov, typeof(OpCodeAluReg));
Set("0101000010000x", InstEmit.Mufu, typeof(OpCodeFArith));
Set("1111101111100x", InstEmit.Out, typeof(OpCode));
Set("0101000010010x", InstEmit.Psetp, typeof(OpCodePsetp));
Set("0100110010010x", InstEmit.Rro, typeof(OpCodeFArithCbuf));
Set("0011100x10010x", InstEmit.Rro, typeof(OpCodeFArithImm));
Set("0101110010010x", InstEmit.Rro, typeof(OpCodeFArithReg));
Set("0100110010100x", InstEmit.Sel, typeof(OpCodeAluCbuf));
Set("0011100010100x", InstEmit.Sel, typeof(OpCodeAluImm));
Set("0101110010100x", InstEmit.Sel, typeof(OpCodeAluReg));
Set("0100110001001x", InstEmit.Shl, typeof(OpCodeAluCbuf));
Set("0011100x01001x", InstEmit.Shl, typeof(OpCodeAluImm));
Set("0101110001001x", InstEmit.Shl, typeof(OpCodeAluReg));
Set("0100110000101x", InstEmit.Shr, typeof(OpCodeAluCbuf));
Set("0011100x00101x", InstEmit.Shr, typeof(OpCodeAluImm));
Set("0101110000101x", InstEmit.Shr, typeof(OpCodeAluReg));
Set("111000101001xx", InstEmit.Ssy, typeof(OpCodeSsy));
Set("1111000011111x", InstEmit.Sync, typeof(OpCodeSync));
Set("110000xxxx111x", InstEmit.Tex, typeof(OpCodeTex));
Set("1101111010111x", InstEmit.Tex_B, typeof(OpCodeTex));
Set("1101x00xxxxxxx", InstEmit.Texs, typeof(OpCodeTexs));
Set("1101x01xxxxxxx", InstEmit.Texs, typeof(OpCodeTlds));
Set("1101x11100xxxx", InstEmit.Texs, typeof(OpCodeTld4s));
Set("11011100xx111x", InstEmit.Tld, typeof(OpCodeTld));
Set("11011101xx111x", InstEmit.Tld_B, typeof(OpCodeTld));
Set("110010xxxx111x", InstEmit.Tld4, typeof(OpCodeTld4));
Set("1101111101001x", InstEmit.Txq, typeof(OpCodeTex));
Set("1101111101010x", InstEmit.Txq_B, typeof(OpCodeTex));
Set("0100111xxxxxxx", InstEmit.Xmad, typeof(OpCodeAluCbuf));
Set("0011011x00xxxx", InstEmit.Xmad, typeof(OpCodeAluImm));
Set("010100010xxxxx", InstEmit.Xmad, typeof(OpCodeAluRegCbuf));
Set("0101101100xxxx", InstEmit.Xmad, typeof(OpCodeAluReg));
#endregion
}
private static void Set(string encoding, InstEmitter emitter, Type opCodeType)
{
if (encoding.Length != EncodingBits)
{
throw new ArgumentException(nameof(encoding));
}
int bit = encoding.Length - 1;
int value = 0;
int xMask = 0;
int xBits = 0;
int[] xPos = new int[encoding.Length];
for (int index = 0; index < encoding.Length; index++, bit--)
{
char chr = encoding[index];
if (chr == '1')
{
value |= 1 << bit;
}
else if (chr == 'x')
{
xMask |= 1 << bit;
xPos[xBits++] = bit;
}
}
xMask = ~xMask;
TableEntry entry = new TableEntry(emitter, opCodeType, xBits);
for (int index = 0; index < (1 << xBits); index++)
{
value &= xMask;
for (int X = 0; X < xBits; X++)
{
value |= ((index >> X) & 1) << xPos[X];
}
if (_opCodes[value] == null || _opCodes[value].XBits > xBits)
{
_opCodes[value] = entry;
}
}
}
public static (InstEmitter emitter, Type opCodeType) GetEmitter(long OpCode)
{
TableEntry entry = _opCodes[(ulong)OpCode >> (64 - EncodingBits)];
if (entry != null)
{
return (entry.Emitter, entry.OpCodeType);
}
return (null, null);
}
}
}
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