mirror of
https://github.com/Ryujinx/Ryujinx.git
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* Use multiple dest operands for shader call instructions * Passing opNode is no longer needed
220 lines
5.7 KiB
C#
220 lines
5.7 KiB
C#
using System;
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using System.Diagnostics;
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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[] _dests;
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public Operand Dest
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{
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get
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{
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return _dests.Length != 0 ? _dests[0] : null;
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}
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set
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{
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if (value != null && value.Type == OperandType.LocalVariable)
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{
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value.AsgOp = this;
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}
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if (value != null)
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{
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_dests = new[] { value };
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}
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else
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{
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_dests = Array.Empty<Operand>();
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}
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}
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}
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public int DestsCount => _dests.Length;
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private Operand[] _sources;
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public int SourcesCount => _sources.Length;
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public int Index { get; }
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private Operation(Operand[] sources)
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{
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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(Instruction inst, int index, Operand[] dests, Operand[] sources) : this(sources)
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{
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Inst = inst;
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Index = index;
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// The array may be modified externally, so we store a copy.
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_dests = (Operand[])dests.Clone();
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for (int dstIndex = 0; dstIndex < dests.Length; dstIndex++)
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{
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Operand dest = dests[dstIndex];
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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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}
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}
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public Operation(Instruction inst, Operand dest, params Operand[] sources) : this(sources)
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{
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Inst = inst;
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if (dest != null)
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{
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dest.AsgOp = this;
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_dests = new[] { dest };
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}
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else
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{
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_dests = Array.Empty<Operand>();
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}
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}
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public Operation(Instruction inst, int index, Operand dest, params Operand[] sources) : this(inst, dest, sources)
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{
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Index = index;
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}
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public void AppendDests(Operand[] operands)
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{
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int startIndex = _dests.Length;
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Array.Resize(ref _dests, startIndex + operands.Length);
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for (int index = 0; index < operands.Length; index++)
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{
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Operand dest = operands[index];
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if (dest != null && dest.Type == OperandType.LocalVariable)
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{
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Debug.Assert(dest.AsgOp == null);
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dest.AsgOp = this;
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}
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_dests[startIndex + index] = dest;
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}
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}
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public void AppendSources(Operand[] operands)
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{
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int startIndex = _sources.Length;
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Array.Resize(ref _sources, startIndex + operands.Length);
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for (int index = 0; index < operands.Length; index++)
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{
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Operand source = operands[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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_sources[startIndex + index] = source;
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}
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}
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public Operand GetDest(int index)
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{
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return _dests[index];
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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 SetDest(int index, Operand dest)
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{
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Operand oldDest = _dests[index];
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if (oldDest != null && oldDest.Type == OperandType.LocalVariable)
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{
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oldDest.AsgOp = null;
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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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_dests[index] = dest;
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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 != null && 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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protected void RemoveSource(int index)
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{
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SetSource(index, null);
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Operand[] newSources = new Operand[_sources.Length - 1];
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Array.Copy(_sources, 0, newSources, 0, index);
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Array.Copy(_sources, index + 1, newSources, index, _sources.Length - (index + 1));
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_sources = newSources;
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}
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public void TurnIntoCopy(Operand source)
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{
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TurnInto(Instruction.Copy, source);
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}
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public void TurnInto(Instruction newInst, Operand source)
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{
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Inst = newInst;
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foreach (Operand oldSrc in _sources)
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{
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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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}
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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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} |