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Add LOP shader instruction and fix LOP32I pass_b

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This commit is contained in:
ReinUsesLisp 2018-07-11 19:31:43 -03:00
commit 30a2d56ea2
3 changed files with 74 additions and 3 deletions
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69
Ryujinx.Graphics/Gal/Shader/ShaderDecodeAlu.cs
View file

@ -244,13 +244,13 @@ namespace Ryujinx.Graphics.Gal.Shader
case 2: Inst = ShaderIrInst.Xor; break;
}
ShaderIrNode OperA = GetAluNot(GetOperGpr8(OpCode), InvA);
ShaderIrNode OperB = GetAluNot(GetOperImm32_20(OpCode), InvB);
//SubOp == 3 is pass, used by the not instruction
//which just moves the inverted register value.
if (SubOp < 3)
{
ShaderIrNode OperB = GetAluNot(GetOperImm32_20(OpCode), InvB);
ShaderIrNode OperA = GetAluNot(GetOperGpr8(OpCode), InvA);
ShaderIrOp Op = new ShaderIrOp(Inst, OperA, OperB);
@ -258,10 +258,25 @@ namespace Ryujinx.Graphics.Gal.Shader
}
else
{
Block.AddNode(GetPredNode(new ShaderIrAsg(GetOperGpr0(OpCode), OperA), OpCode));
Block.AddNode(GetPredNode(new ShaderIrAsg(GetOperGpr0(OpCode), OperB), OpCode));
}
}
public static void Lop_C(ShaderIrBlock Block, long OpCode)
{
EmitLop(Block, OpCode, ShaderOper.CR);
}
public static void Lop_I(ShaderIrBlock Block, long OpCode)
{
EmitLop(Block, OpCode, ShaderOper.Imm);
}
public static void Lop_R(ShaderIrBlock Block, long OpCode)
{
EmitLop(Block, OpCode, ShaderOper.RR);
}
public static void Mufu(ShaderIrBlock Block, long OpCode)
{
int SubOp = (int)(OpCode >> 20) & 0xf;
@ -875,6 +890,54 @@ namespace Ryujinx.Graphics.Gal.Shader
Block.AddNode(GetPredNode(new ShaderIrAsg(P0Node, Op), OpCode));
}
private static void EmitLop(ShaderIrBlock Block, long OpCode, ShaderOper Oper)
{
int SubOp = (int)(OpCode >> 41) & 3;
bool InvA = ((OpCode >> 39) & 1) != 0;
bool InvB = ((OpCode >> 40) & 1) != 0;
ShaderIrInst Inst = 0;
switch (SubOp)
{
case 0: Inst = ShaderIrInst.And; break;
case 1: Inst = ShaderIrInst.Or; break;
case 2: Inst = ShaderIrInst.Xor; break;
}
ShaderIrNode OperA = GetAluNot(GetOperGpr8(OpCode), InvA);
ShaderIrNode OperB;
switch (Oper)
{
case ShaderOper.CR: OperB = GetOperCbuf34 (OpCode); break;
case ShaderOper.Imm: OperB = GetOperImm19_20(OpCode); break;
case ShaderOper.RR: OperB = GetOperGpr20 (OpCode); break;
default: throw new ArgumentException(nameof(Oper));
}
OperB = GetAluNot(OperB, InvB);
ShaderIrNode Op;
if (SubOp < 3)
{
Op = new ShaderIrOp(Inst, OperA, OperB);
}
else
{
Op = OperB;
}
ShaderIrNode Compare = new ShaderIrOp(ShaderIrInst.Cne, Op, new ShaderIrOperImm(0));
Block.AddNode(GetPredNode(new ShaderIrAsg(GetOperPred48(OpCode), Compare), OpCode));
Block.AddNode(GetPredNode(new ShaderIrAsg(GetOperGpr0(OpCode), Op), OpCode));
}
private static void EmitXmad(ShaderIrBlock Block, long OpCode, ShaderOper Oper)
{
//TODO: Confirm SignAB/C, it is just a guess.

5
Ryujinx.Graphics/Gal/Shader/ShaderDecodeHelper.cs
View file

@ -156,6 +156,11 @@ namespace Ryujinx.Graphics.Gal.Shader
return new ShaderIrOperPred((int)(OpCode >> 39) & 7);
}
public static ShaderIrOperPred GetOperPred48(long OpCode)
{
return new ShaderIrOperPred((int)((OpCode >> 48) & 7));
}
public static ShaderIrInst GetCmp(long OpCode)
{
switch ((int)(OpCode >> 49) & 7)

3
Ryujinx.Graphics/Gal/Shader/ShaderOpCodeTable.cs
View file

@ -81,7 +81,10 @@ namespace Ryujinx.Graphics.Gal.Shader
Set("111000110011xx", ShaderDecode.Kil);
Set("1110111111011x", ShaderDecode.Ld_A);
Set("1110111110010x", ShaderDecode.Ld_C);
Set("0100110001000x", ShaderDecode.Lop_C);
Set("0011100001000x", ShaderDecode.Lop_I);
Set("000001xxxxxxxx", ShaderDecode.Lop_I32);
Set("0101110001000x", ShaderDecode.Lop_R);
Set("0100110010011x", ShaderDecode.Mov_C);
Set("0011100x10011x", ShaderDecode.Mov_I);
Set("000000010000xx", ShaderDecode.Mov_I32);