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using Ryujinx.Graphics.Gal;
using Ryujinx.Graphics.Shader.Decoders;
using Ryujinx.Graphics.Shader.IntermediateRepresentation;
using System.Collections.Generic;
using static Ryujinx.Graphics.Shader.IntermediateRepresentation.OperandHelper;
namespace Ryujinx.Graphics.Shader.Translation
{
class EmitterContext
{
public Block CurrBlock { get; set; }
public OpCode CurrOp { get; set; }
private GalShaderType _shaderType;
private ShaderHeader _header;
private List<Operation> _operations;
private Dictionary<ulong, Operand> _labels;
public EmitterContext(GalShaderType shaderType, ShaderHeader header)
{
_shaderType = shaderType;
_header = header;
_operations = new List<Operation>();
_labels = new Dictionary<ulong, Operand>();
}
public Operand Add(Instruction inst, Operand dest = null, params Operand[] sources)
{
Operation operation = new Operation(inst, dest, sources);
Add(operation);
return dest;
}
public void Add(Operation operation)
{
_operations.Add(operation);
}
public void MarkLabel(Operand label)
{
Add(Instruction.MarkLabel, label);
}
public Operand GetLabel(ulong address)
{
if (!_labels.TryGetValue(address, out Operand label))
{
label = Label();
_labels.Add(address, label);
}
return label;
}
public void PrepareForReturn()
{
if (_shaderType == GalShaderType.Fragment)
{
if (_header.OmapDepth)
{
Operand dest = Attribute(AttributeConsts.FragmentOutputDepth);
Operand src = Register(_header.DepthRegister, RegisterType.Gpr);
this.Copy(dest, src);
}
int regIndex = 0;
for (int attachment = 0; attachment < 8; attachment++)
{
OutputMapTarget target = _header.OmapTargets[attachment];
for (int component = 0; component < 4; component++)
{
if (target.ComponentEnabled(component))
{
Operand dest = Attribute(AttributeConsts.FragmentOutputColorBase + regIndex * 4);
Operand src = Register(regIndex, RegisterType.Gpr);
this.Copy(dest, src);
regIndex++;
}
}
}
}
}
public Operation[] GetOperations()
{
return _operations.ToArray();
}
}
}
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