bool ReadCommentToken(DebugBytecodeReader reader)
{
var fourCC = reader.PeakUInt32Ahead(4);
if (KnownCommentTypes.ContainsKey(fourCC))
{
reader.AddIndent(KnownCommentTypes[fourCC].ToString());
}
else
{
return(false);
}
var instructionToken = reader.ReadUInt32("Token");
var startPosition = reader._reader.BaseStream.Position;
Opcode opcode = (Opcode)(instructionToken & 0xffff);
reader.AddNote("TokenOpcode", opcode);
var size = (int)((instructionToken >> 16) & 0x7FFF);
reader.AddNote("TokenSize", size);
reader.ReadBytes("FourCC", 4);
switch (KnownCommentTypes[fourCC])
{
case CommentType.CTAB:
ConstantTable = DebugConstantTable.Parse(reader);
break;
case CommentType.C**T:
Cli = DebugCliToken.Parse(reader);
break;
case CommentType.FXLC:
Fxlc = DebugFxlc.Parse(reader, (uint)size * 4);
break;
case CommentType.PRES:
Preshader = DebugPreshader.Parse(reader);
break;
case CommentType.PRSI:
Prsi = DebugPrsiToken.Parse(reader, (uint)size);
break;
default:
return(false);
}
reader.RemoveIndent();
reader._reader.BaseStream.Position = startPosition + size * 4;
return(true);
}
/*
* PRSI Tokens map preshader outputs to ConstantBuffer addresses
*
*/
/*
* maps
* 0 => 0
* 1 => 4
* 1 => 2
* // add expr0, l12(0), g1
* // add expr8, l12(0), g3
* // add expr16, l12(0), g5
*
*
* //
* // Generated by Microsoft (R) HLSL Shader Compiler 9.29.952.3111
* //
* // Parameters:
* //
* // float4 g1;
* // float4 g3;
* // float4 g5;
* //
* //
* // Registers:
* //
* // Name Reg Size
* // ------------ ----- ----
* // g1 c0 1
* // g3 c1 1
* // g5 c2 1
* //
*
* preshader
* add c0, (5, 5, 5, 5), c0
* add c2, (5, 5, 5, 5), c1
* add c4, (5, 5, 5, 5), c2
*
* // approximately 3 instructions used
* //
* // Generated by Microsoft (R) HLSL Shader Compiler 9.29.952.3111
* vs_2_0
* def c5, 0, 0, 0, 0
* mov oPos, c0
* mov oD0, c5.x
* mov oD1, c2
* mov oT0, c5.x
* mov oT1, c4
*
* // approximately 5 instruction slots used
* };
*/
public static DebugPrsiToken Parse(DebugBytecodeReader reader, uint size)
{
var result = new DebugPrsiToken();
Debug.Assert(size > 6, "PRSI size too small");
// Preshader outputs begin at this offset
// eg RegisterOffset = 10
//preshader
//mul c10.xyz, c0.xyz, c1.xyz
var outputRegisterOffset = reader.ReadUInt32("RegisterOffset");
var unk1 = reader.ReadUInt32("Unk1");
var unk2 = reader.ReadUInt32("Unk2");
var outputRegisterCount = reader.ReadUInt32("OutputRegisterCount?");
var unk3 = reader.ReadUInt32("Unk3");
var unk4 = reader.ReadUInt32("Unk4");
var mappingCount = reader.ReadUInt32("MappingCount");
var unk5 = reader.ReadUInt32("Unk5");
var unk6 = reader.ReadUInt32("Unk6");
Debug.Assert(unk1 == 0, $"unk1={unk1}");
Debug.Assert(unk2 == 0, $"unk2={unk2}");
Debug.Assert(unk3 == 0, $"unk3={unk3}");
Debug.Assert(unk4 == 0, $"unk4={unk4}");
Debug.Assert(unk5 == outputRegisterOffset,
$"unk5 ({unk5}) and OutputRegisterOffset ({outputRegisterOffset}) differ");
//Debug.Assert(unk6 == outputRegisterCount,
// $"unk6 ({unk6}) and OutputRegisterCount ({outputRegisterCount}) differ");
for (int i = 0; i < mappingCount; i++)
{
reader.AddIndent($"Mapping{i}");
reader.ReadUInt32("ConstOutput");
reader.ReadUInt32("ConstInput");
reader.RemoveIndent();
}
//if(size != 12) throw new System.Exception($"PRSI TOKEN Size {size}");
//Debug.Assert(true, "PRSI Token");
return(result);
}
