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101 lines
2.5 KiB
C#
101 lines
2.5 KiB
C#
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namespace Ryujinx.Graphics.Shader.IntermediateRepresentation
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{
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class Operation : INode
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{
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public Instruction Inst { get; private set; }
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private Operand _dest;
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public Operand Dest
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{
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get => _dest;
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set => _dest = AssignDest(value);
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}
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private Operand[] _sources;
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public int SourcesCount => _sources.Length;
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public int ComponentIndex { get; }
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public Operation(Instruction inst, Operand dest, params Operand[] sources)
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{
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Inst = inst;
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Dest = dest;
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//The array may be modified externally, so we store a copy.
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_sources = (Operand[])sources.Clone();
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for (int index = 0; index < _sources.Length; index++)
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{
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Operand source = _sources[index];
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if (source.Type == OperandType.LocalVariable)
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{
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source.UseOps.Add(this);
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}
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}
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}
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public Operation(
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Instruction inst,
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int compIndex,
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Operand dest,
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params Operand[] sources) : this(inst, dest, sources)
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{
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ComponentIndex = compIndex;
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}
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private Operand AssignDest(Operand dest)
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{
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if (dest != null && dest.Type == OperandType.LocalVariable)
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{
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dest.AsgOp = this;
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}
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return dest;
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}
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public Operand GetSource(int index)
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{
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return _sources[index];
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}
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public void SetSource(int index, Operand source)
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{
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Operand oldSrc = _sources[index];
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if (oldSrc != null && oldSrc.Type == OperandType.LocalVariable)
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{
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oldSrc.UseOps.Remove(this);
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}
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if (source.Type == OperandType.LocalVariable)
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{
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source.UseOps.Add(this);
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}
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_sources[index] = source;
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}
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public void TurnIntoCopy(Operand source)
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{
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Inst = Instruction.Copy;
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foreach (Operand oldSrc in _sources)
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{
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if (oldSrc.Type == OperandType.LocalVariable)
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{
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oldSrc.UseOps.Remove(this);
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}
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}
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if (source.Type == OperandType.LocalVariable)
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{
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source.UseOps.Add(this);
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}
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_sources = new Operand[] { source };
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}
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}
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}
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