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Support multiple destination operands on shader IR and shuffle predicates (#1964)

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* Support multiple destination operands on shader IR and shuffle predicates

* Cache version change
This commit is contained in:
gdkchan 2021-01-27 20:59:47 -03:00 committed by GitHub
parent dcce407071
commit 4b7c7dab9e
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GPG Key ID: 4AEE18F83AFDEB23
16 changed files with 199 additions and 79 deletions
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2
Ryujinx.Graphics.Gpu/Shader/ShaderCache.cs
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@ -34,7 +34,7 @@ namespace Ryujinx.Graphics.Gpu.Shader
/// <summary>
/// Version of the codegen (to be changed when codegen or guest format change).
/// </summary>
private const ulong ShaderCodeGenVersion = 1790;
private const ulong ShaderCodeGenVersion = 1964;
/// <summary>
/// Creates a new instance of the shader cache.

5
Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/Shuffle.glsl
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@ -1,9 +1,10 @@
float Helper_Shuffle(float x, uint index, uint mask)
float Helper_Shuffle(float x, uint index, uint mask, out bool valid)
{
uint clamp = mask & 0x1fu;
uint segMask = (mask >> 8) & 0x1fu;
uint minThreadId = gl_SubGroupInvocationARB & segMask;
uint maxThreadId = minThreadId | (clamp & ~segMask);
uint srcThreadId = (index & ~segMask) | minThreadId;
return (srcThreadId <= maxThreadId) ? readInvocationARB(x, srcThreadId) : x;
valid = srcThreadId <= maxThreadId;
return valid ? readInvocationARB(x, srcThreadId) : x;
}

5
Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/ShuffleDown.glsl
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@ -1,9 +1,10 @@
float Helper_ShuffleDown(float x, uint index, uint mask)
float Helper_ShuffleDown(float x, uint index, uint mask, out bool valid)
{
uint clamp = mask & 0x1fu;
uint segMask = (mask >> 8) & 0x1fu;
uint minThreadId = gl_SubGroupInvocationARB & segMask;
uint maxThreadId = minThreadId | (clamp & ~segMask);
uint srcThreadId = gl_SubGroupInvocationARB + index;
return (srcThreadId <= maxThreadId) ? readInvocationARB(x, srcThreadId) : x;
valid = srcThreadId <= maxThreadId;
return valid ? readInvocationARB(x, srcThreadId) : x;
}

5
Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/ShuffleUp.glsl
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@ -1,8 +1,9 @@
float Helper_ShuffleUp(float x, uint index, uint mask)
float Helper_ShuffleUp(float x, uint index, uint mask, out bool valid)
{
uint clamp = mask & 0x1fu;
uint segMask = (mask >> 8) & 0x1fu;
uint minThreadId = gl_SubGroupInvocationARB & segMask;
uint srcThreadId = gl_SubGroupInvocationARB - index;
return (srcThreadId >= minThreadId) ? readInvocationARB(x, srcThreadId) : x;
valid = srcThreadId >= minThreadId;
return valid ? readInvocationARB(x, srcThreadId) : x;
}

5
Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/ShuffleXor.glsl
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@ -1,9 +1,10 @@
float Helper_ShuffleXor(float x, uint index, uint mask)
float Helper_ShuffleXor(float x, uint index, uint mask, out bool valid)
{
uint clamp = mask & 0x1fu;
uint segMask = (mask >> 8) & 0x1fu;
uint minThreadId = gl_SubGroupInvocationARB & segMask;
uint maxThreadId = minThreadId | (clamp & ~segMask);
uint srcThreadId = gl_SubGroupInvocationARB ^ index;
return (srcThreadId <= maxThreadId) ? readInvocationARB(x, srcThreadId) : x;
valid = srcThreadId <= maxThreadId;
return valid ? readInvocationARB(x, srcThreadId) : x;
}

14
Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGenHelper.cs
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@ -88,13 +88,6 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
Add(Instruction.LoopContinue, InstType.OpNullary, "continue");
Add(Instruction.PackDouble2x32, InstType.Special);
Add(Instruction.PackHalf2x16, InstType.Special);
Add(Instruction.ShiftLeft, InstType.OpBinary, "<<", 3);
Add(Instruction.ShiftRightS32, InstType.OpBinary, ">>", 3);
Add(Instruction.ShiftRightU32, InstType.OpBinary, ">>", 3);
Add(Instruction.Shuffle, InstType.CallTernary, HelperFunctionNames.Shuffle);
Add(Instruction.ShuffleDown, InstType.CallTernary, HelperFunctionNames.ShuffleDown);
Add(Instruction.ShuffleUp, InstType.CallTernary, HelperFunctionNames.ShuffleUp);
Add(Instruction.ShuffleXor, InstType.CallTernary, HelperFunctionNames.ShuffleXor);
Add(Instruction.Maximum, InstType.CallBinary, "max");
Add(Instruction.MaximumU32, InstType.CallBinary, "max");
Add(Instruction.MemoryBarrier, InstType.CallNullary, "memoryBarrier");
@ -107,6 +100,13 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
Add(Instruction.ReciprocalSquareRoot, InstType.CallUnary, "inversesqrt");
Add(Instruction.Return, InstType.OpNullary, "return");
Add(Instruction.Round, InstType.CallUnary, "roundEven");
Add(Instruction.ShiftLeft, InstType.OpBinary, "<<", 3);
Add(Instruction.ShiftRightS32, InstType.OpBinary, ">>", 3);
Add(Instruction.ShiftRightU32, InstType.OpBinary, ">>", 3);
Add(Instruction.Shuffle, InstType.CallQuaternary, HelperFunctionNames.Shuffle);
Add(Instruction.ShuffleDown, InstType.CallQuaternary, HelperFunctionNames.ShuffleDown);
Add(Instruction.ShuffleUp, InstType.CallQuaternary, HelperFunctionNames.ShuffleUp);
Add(Instruction.ShuffleXor, InstType.CallQuaternary, HelperFunctionNames.ShuffleXor);
Add(Instruction.Sine, InstType.CallUnary, "sin");
Add(Instruction.SquareRoot, InstType.CallUnary, "sqrt");
Add(Instruction.StoreLocal, InstType.Special);

24
Ryujinx.Graphics.Shader/Instructions/InstEmitMove.cs
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@ -118,25 +118,17 @@ namespace Ryujinx.Graphics.Shader.Instructions
Operand srcB = op.IsBImmediate ? Const(op.ImmediateB) : Register(op.Rb);
Operand srcC = op.IsCImmediate ? Const(op.ImmediateC) : Register(op.Rc);
Operand res = null;
switch (op.ShuffleType)
(Operand res, Operand valid) = op.ShuffleType switch
{
case ShuffleType.Indexed:
res = context.Shuffle(srcA, srcB, srcC);
break;
case ShuffleType.Up:
res = context.ShuffleUp(srcA, srcB, srcC);
break;
case ShuffleType.Down:
res = context.ShuffleDown(srcA, srcB, srcC);
break;
case ShuffleType.Butterfly:
res = context.ShuffleXor(srcA, srcB, srcC);
break;
}
ShuffleType.Indexed => context.Shuffle(srcA, srcB, srcC),
ShuffleType.Up => context.ShuffleUp(srcA, srcB, srcC),
ShuffleType.Down => context.ShuffleDown(srcA, srcB, srcC),
ShuffleType.Butterfly => context.ShuffleXor(srcA, srcB, srcC),
_ => (null, null)
};
context.Copy(GetDest(context), res);
context.Copy(pred, valid);
}
}
}

2
Ryujinx.Graphics.Shader/IntermediateRepresentation/INode.cs
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@ -4,8 +4,10 @@ namespace Ryujinx.Graphics.Shader.IntermediateRepresentation
{
Operand Dest { get; set; }
int DestsCount { get; }
int SourcesCount { get; }
Operand GetDest(int index);
Operand GetSource(int index);
void SetSource(int index, Operand operand);

98
Ryujinx.Graphics.Shader/IntermediateRepresentation/Operation.cs
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@ -6,25 +6,42 @@ namespace Ryujinx.Graphics.Shader.IntermediateRepresentation
{
public Instruction Inst { get; private set; }
private Operand _dest;
private Operand[] _dests;
public Operand Dest
{
get => _dest;
set => _dest = AssignDest(value);
get
{
return _dests.Length != 0 ? _dests[0] : null;
}
set
{
if (value != null && value.Type == OperandType.LocalVariable)
{
value.AsgOp = this;
}
if (value != null)
{
_dests = new[] { value };
}
else
{
_dests = Array.Empty<Operand>();
}
}
}
public int DestsCount => _dests.Length;
private Operand[] _sources;
public int SourcesCount => _sources.Length;
public int Index { get; }
public Operation(Instruction inst, Operand dest, params Operand[] sources)
private Operation(Operand[] sources)
{
Inst = inst;
Dest = dest;
// The array may be modified externally, so we store a copy.
_sources = (Operand[])sources.Clone();
@ -39,11 +56,42 @@ namespace Ryujinx.Graphics.Shader.IntermediateRepresentation
}
}
public Operation(
Instruction inst,
int index,
Operand dest,
params Operand[] sources) : this(inst, dest, sources)
public Operation(Instruction inst, int index, Operand[] dests, Operand[] sources) : this(sources)
{
Inst = inst;
Index = index;
// The array may be modified externally, so we store a copy.
_dests = (Operand[])dests.Clone();
for (int dstIndex = 0; dstIndex < dests.Length; dstIndex++)
{
Operand dest = dests[dstIndex];
if (dest != null && dest.Type == OperandType.LocalVariable)
{
dest.AsgOp = this;
}
}
}
public Operation(Instruction inst, Operand dest, params Operand[] sources) : this(sources)
{
Inst = inst;
if (dest != null)
{
dest.AsgOp = this;
_dests = new[] { dest };
}
else
{
_dests = Array.Empty<Operand>();
}
}
public Operation(Instruction inst, int index, Operand dest, params Operand[] sources) : this(inst, dest, sources)
{
Index = index;
}
@ -67,14 +115,9 @@ namespace Ryujinx.Graphics.Shader.IntermediateRepresentation
}
}
private Operand AssignDest(Operand dest)
public Operand GetDest(int index)
{
if (dest != null && dest.Type == OperandType.LocalVariable)
{
dest.AsgOp = this;
}
return dest;
return _dests[index];
}
public Operand GetSource(int index)
@ -82,6 +125,23 @@ namespace Ryujinx.Graphics.Shader.IntermediateRepresentation
return _sources[index];
}
public void SetDest(int index, Operand dest)
{
Operand oldDest = _dests[index];
if (oldDest != null && oldDest.Type == OperandType.LocalVariable)
{
oldDest.AsgOp = null;
}
if (dest != null && dest.Type == OperandType.LocalVariable)
{
dest.AsgOp = this;
}
_dests[index] = dest;
}
public void SetSource(int index, Operand source)
{
Operand oldSrc = _sources[index];

13
Ryujinx.Graphics.Shader/IntermediateRepresentation/PhiNode.cs
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@ -1,3 +1,4 @@
using System;
using System.Collections.Generic;
namespace Ryujinx.Graphics.Shader.IntermediateRepresentation
@ -12,6 +13,8 @@ namespace Ryujinx.Graphics.Shader.IntermediateRepresentation
set => _dest = AssignDest(value);
}
public int DestsCount => _dest != null ? 1 : 0;
private HashSet<BasicBlock> _blocks;
private class PhiSource
@ -64,6 +67,16 @@ namespace Ryujinx.Graphics.Shader.IntermediateRepresentation
}
}
public Operand GetDest(int index)
{
if (index != 0)
{
throw new ArgumentOutOfRangeException(nameof(index));
}
return _dest;
}
public Operand GetSource(int index)
{
return _sources[index].Operand;

14
Ryujinx.Graphics.Shader/StructuredIr/InstructionInfo.cs
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@ -94,13 +94,6 @@ namespace Ryujinx.Graphics.Shader.StructuredIr
Add(Instruction.LogicalExclusiveOr, VariableType.Bool, VariableType.Bool, VariableType.Bool);
Add(Instruction.LogicalNot, VariableType.Bool, VariableType.Bool);
Add(Instruction.LogicalOr, VariableType.Bool, VariableType.Bool, VariableType.Bool);
Add(Instruction.ShiftLeft, VariableType.Int, VariableType.Int, VariableType.Int);
Add(Instruction.ShiftRightS32, VariableType.S32, VariableType.S32, VariableType.Int);
Add(Instruction.ShiftRightU32, VariableType.U32, VariableType.U32, VariableType.Int);
Add(Instruction.Shuffle, VariableType.F32, VariableType.F32, VariableType.U32, VariableType.U32);
Add(Instruction.ShuffleDown, VariableType.F32, VariableType.F32, VariableType.U32, VariableType.U32);
Add(Instruction.ShuffleUp, VariableType.F32, VariableType.F32, VariableType.U32, VariableType.U32);
Add(Instruction.ShuffleXor, VariableType.F32, VariableType.F32, VariableType.U32, VariableType.U32);
Add(Instruction.Maximum, VariableType.Scalar, VariableType.Scalar, VariableType.Scalar);
Add(Instruction.MaximumU32, VariableType.U32, VariableType.U32, VariableType.U32);
Add(Instruction.Minimum, VariableType.Scalar, VariableType.Scalar, VariableType.Scalar);
@ -113,6 +106,13 @@ namespace Ryujinx.Graphics.Shader.StructuredIr
Add(Instruction.PackHalf2x16, VariableType.U32, VariableType.F32, VariableType.F32);
Add(Instruction.ReciprocalSquareRoot, VariableType.Scalar, VariableType.Scalar);
Add(Instruction.Round, VariableType.Scalar, VariableType.Scalar);
Add(Instruction.ShiftLeft, VariableType.Int, VariableType.Int, VariableType.Int);
Add(Instruction.ShiftRightS32, VariableType.S32, VariableType.S32, VariableType.Int);
Add(Instruction.ShiftRightU32, VariableType.U32, VariableType.U32, VariableType.Int);
Add(Instruction.Shuffle, VariableType.F32, VariableType.F32, VariableType.U32, VariableType.U32, VariableType.Bool);
Add(Instruction.ShuffleDown, VariableType.F32, VariableType.F32, VariableType.U32, VariableType.U32, VariableType.Bool);
Add(Instruction.ShuffleUp, VariableType.F32, VariableType.F32, VariableType.U32, VariableType.U32, VariableType.Bool);
Add(Instruction.ShuffleXor, VariableType.F32, VariableType.F32, VariableType.U32, VariableType.U32, VariableType.Bool);
Add(Instruction.Sine, VariableType.Scalar, VariableType.Scalar);
Add(Instruction.SquareRoot, VariableType.Scalar, VariableType.Scalar);
Add(Instruction.StoreGlobal, VariableType.None, VariableType.S32, VariableType.S32, VariableType.U32);

12
Ryujinx.Graphics.Shader/StructuredIr/StructuredProgram.cs
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@ -77,6 +77,7 @@ namespace Ryujinx.Graphics.Shader.StructuredIr
bool isCall = inst == Instruction.Call;
int sourcesCount = operation.SourcesCount;
int outDestsCount = operation.DestsCount != 0 ? operation.DestsCount - 1 : 0;
List<Operand> callOutOperands = new List<Operand>();
@ -93,7 +94,7 @@ namespace Ryujinx.Graphics.Shader.StructuredIr
sourcesCount += callOutOperands.Count;
}
IAstNode[] sources = new IAstNode[sourcesCount];
IAstNode[] sources = new IAstNode[sourcesCount + outDestsCount];
for (int index = 0; index < operation.SourcesCount; index++)
{
@ -110,6 +111,15 @@ namespace Ryujinx.Graphics.Shader.StructuredIr
callOutOperands.Clear();
}
for (int index = 0; index < outDestsCount; index++)
{
AstOperand oper = context.GetOperandDef(operation.GetDest(1 + index));
oper.VarType = InstructionInfo.GetSrcVarType(inst, sourcesCount + index);
sources[sourcesCount + index] = oper;
}
AstTextureOperation GetAstTextureOperation(TextureOperation texOp)
{
return new AstTextureOperation(

11
Ryujinx.Graphics.Shader/Translation/EmitterContext.cs
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@ -37,6 +37,17 @@ namespace Ryujinx.Graphics.Shader.Translation
return dest;
}
public (Operand, Operand) Add(Instruction inst, (Operand, Operand) dest, params Operand[] sources)
{
Operand[] dests = new[] { dest.Item1, dest.Item2 };
Operation operation = new Operation(inst, 0, dests, sources);
Add(operation);
return dest;
}
public void Add(Operation operation)
{
_operations.Add(operation);

16
Ryujinx.Graphics.Shader/Translation/EmitterContextInsts.cs
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@ -588,24 +588,24 @@ namespace Ryujinx.Graphics.Shader.Translation
return context.Add(Instruction.ShiftRightU32, Local(), a, b);
}
public static Operand Shuffle(this EmitterContext context, Operand a, Operand b, Operand c)
public static (Operand, Operand) Shuffle(this EmitterContext context, Operand a, Operand b, Operand c)
{
return context.Add(Instruction.Shuffle, Local(), a, b, c);
return context.Add(Instruction.Shuffle, (Local(), Local()), a, b, c);
}
public static Operand ShuffleDown(this EmitterContext context, Operand a, Operand b, Operand c)
public static (Operand, Operand) ShuffleDown(this EmitterContext context, Operand a, Operand b, Operand c)
{
return context.Add(Instruction.ShuffleDown, Local(), a, b, c);
return context.Add(Instruction.ShuffleDown, (Local(), Local()), a, b, c);
}
public static Operand ShuffleUp(this EmitterContext context, Operand a, Operand b, Operand c)
public static (Operand, Operand) ShuffleUp(this EmitterContext context, Operand a, Operand b, Operand c)
{
return context.Add(Instruction.ShuffleUp, Local(), a, b, c);
return context.Add(Instruction.ShuffleUp, (Local(), Local()), a, b, c);
}
public static Operand ShuffleXor(this EmitterContext context, Operand a, Operand b, Operand c)
public static (Operand, Operand) ShuffleXor(this EmitterContext context, Operand a, Operand b, Operand c)
{
return context.Add(Instruction.ShuffleXor, Local(), a, b, c);
return context.Add(Instruction.ShuffleXor, (Local(), Local()), a, b, c);
}
public static Operand StoreGlobal(this EmitterContext context, Operand a, Operand b, Operand c)

33
Ryujinx.Graphics.Shader/Translation/Optimizations/Optimizer.cs
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@ -64,7 +64,7 @@ namespace Ryujinx.Graphics.Shader.Translation.Optimizations
else if ((operation.Inst == Instruction.PackHalf2x16 && PropagatePack(operation)) ||
(operation.Inst == Instruction.ShuffleXor && MatchDdxOrDdy(operation)))
{
if (operation.Dest.UseOps.Count == 0)
if (DestHasNoUses(operation))
{
RemoveNode(block, node);
}
@ -260,6 +260,7 @@ namespace Ryujinx.Graphics.Shader.Translation.Optimizations
if (src.UseOps.Remove(node) && src.UseOps.Count == 0)
{
Debug.Assert(src.AsgOp != null);
nodes.Enqueue(src.AsgOp);
}
}
@ -268,7 +269,7 @@ namespace Ryujinx.Graphics.Shader.Translation.Optimizations
private static bool IsUnused(INode node)
{
return !HasSideEffects(node) && DestIsLocalVar(node) && node.Dest.UseOps.Count == 0;
return !HasSideEffects(node) && DestIsLocalVar(node) && DestHasNoUses(node);
}
private static bool HasSideEffects(INode node)
@ -298,7 +299,33 @@ namespace Ryujinx.Graphics.Shader.Translation.Optimizations
private static bool DestIsLocalVar(INode node)
{
return node.Dest != null && node.Dest.Type == OperandType.LocalVariable;
if (node.DestsCount == 0)
{
return false;
}
for (int index = 0; index < node.DestsCount; index++)
{
if (node.GetDest(index).Type != OperandType.LocalVariable)
{
return false;
}
}
return true;
}
private static bool DestHasNoUses(INode node)
{
for (int index = 0; index < node.DestsCount; index++)
{
if (node.GetDest(index).UseOps.Count != 0)
{
return false;
}
}
return true;
}
}
}

19
Ryujinx.Graphics.Shader/Translation/Ssa.cs
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@ -116,13 +116,18 @@ namespace Ryujinx.Graphics.Shader.Translation
operation.SetSource(index, RenameLocal(operation.GetSource(index)));
}
if (operation.Dest != null && operation.Dest.Type == OperandType.Register)
for (int index = 0; index < operation.DestsCount; index++)
{
Operand local = Local();
Operand dest = operation.GetDest(index);
localDefs[GetKeyFromRegister(operation.Dest.GetRegister())] = local;
if (dest.Type == OperandType.Register)
{
Operand local = Local();
operation.Dest = local;
localDefs[GetKeyFromRegister(dest.GetRegister())] = local;
operation.SetDest(index, local);
}
}
}
@ -185,9 +190,7 @@ namespace Ryujinx.Graphics.Shader.Translation
return operand;
}
LinkedListNode<INode> node = block.Operations.First;
while (node != null)
for (LinkedListNode<INode> node = block.Operations.First; node != null; node = node.Next)
{
if (node.Value is Operation operation)
{
@ -196,8 +199,6 @@ namespace Ryujinx.Graphics.Shader.Translation
operation.SetSource(index, RenameGlobal(operation.GetSource(index)));
}
}
node = node.Next;
}
}
}