public static ShaderIrBlock DecodeBasicBlock(int[] Code, int Offset, GalShaderType ShaderType)
{
ShaderIrBlock Block = new ShaderIrBlock();
while (Offset + 2 <= Code.Length)
{
uint Word0 = (uint)Code[Offset++];
uint Word1 = (uint)Code[Offset++];
long OpCode = Word0 | (long)Word1 << 32;
ShaderDecodeFunc Decode = ShaderOpCodeTable.GetDecoder(OpCode);
if (Decode == null)
{
continue;
}
Decode(Block, OpCode);
if (Block.GetLastNode() is ShaderIrOp Op && IsFlowChange(Op.Inst))
{
break;
}
}
Block.RunOptimizationPasses(ShaderType);
return(Block);
}
public static ShaderIrBlock DecodeBasicBlock(int[] Code, int Offset)
{
ShaderIrBlock Block = new ShaderIrBlock();
while (Offset + 2 <= Code.Length)
{
int InstPos = Offset * 4;
Block.Position = InstPos;
Block.MarkLabel(InstPos);
//Ignore scheduling instructions, which are written every 32 bytes.
if ((Offset & 7) == 0)
{
Offset += 2;
continue;
}
uint Word0 = (uint)Code[Offset++];
uint Word1 = (uint)Code[Offset++];
long OpCode = Word0 | (long)Word1 << 32;
ShaderDecodeFunc Decode = ShaderOpCodeTable.GetDecoder(OpCode);
if (AddDbgComments)
{
string DbgOpCode = $"0x{InstPos:x8}: 0x{OpCode:x16} ";
Block.AddNode(new ShaderIrCmnt(DbgOpCode + (Decode?.Method.Name ?? "???")));
}
if (Decode == null)
{
continue;
}
Decode(Block, OpCode);
if (Block.GetLastNode() is ShaderIrOp Op && Op.Inst == ShaderIrInst.Exit)
{
break;
}
}
return(Block);
}
public static ShaderIrBlock DecodeBasicBlock(int[] Code, int Offset)
{
ShaderIrBlock Block = new ShaderIrBlock();
while (Offset + 2 <= Code.Length)
{
//Ignore scheduling instructions, which are
//written every 32 bytes.
if ((Offset & 7) == 0)
{
Offset += 2;
continue;
}
uint Word0 = (uint)Code[Offset++];
uint Word1 = (uint)Code[Offset++];
long OpCode = Word0 | (long)Word1 << 32;
ShaderDecodeFunc Decode = ShaderOpCodeTable.GetDecoder(OpCode);
if (Decode == null)
{
continue;
}
Decode(Block, OpCode);
if (Block.GetLastNode() is ShaderIrOp Op && IsFlowChange(Op.Inst))
{
break;
}
}
return(Block);
}